CN1019779B - Tyre abnormal air-pressure alarm - Google Patents
Tyre abnormal air-pressure alarmInfo
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- CN1019779B CN1019779B CN90108512A CN90108512A CN1019779B CN 1019779 B CN1019779 B CN 1019779B CN 90108512 A CN90108512 A CN 90108512A CN 90108512 A CN90108512 A CN 90108512A CN 1019779 B CN1019779 B CN 1019779B
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- tire
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Abstract
A kind of automobile tyre abnormal air-pressure alarm, have rotating electrical connector (Jr) and low excessively and/or mistake anticyclonic pressure electric switch (Klh) or rotating electrical connector formula electric switch (Kr), switch (Klh or Kr) is installed on wheel hub external end head (66) or spoke (68) or the wheel disc (69), the electric switch electrode (45 of switch (Kr), 46) be exactly rotating electrical connector (Jbr) joint pair (10 ', 11 ' or 12 '), its float electrode (45 promptly 10 ') is installed on the switch (Kr), its fixed electorde (46 promptly 11 ' or 12 ') be installed on flower wheel wheel shaft spindle nose (67) or drive wheel back-plate (72) or the caliper shell (73), gas circuit is communicated with flexible pipe (T) between switch (Klh or Kr) and tire, switch (Klh or Kr) and equipment (B, L) circuit rotating electrical connector (Jba between, Jbr) connect, any one tire pressure takes place unusual, equipment (B, L) will activating alarm.
Description
The present invention relates to a kind of automobile tyre abnormal air-pressure alarm, especially the rotating element by self-propelled vehicle is electrically connected the tyre abnormal air-pressure alarm with the energy continuous probe tire air pressure state of realization electric signal transmission with rotation between the stationary element.
Tire is the vitals of self-propelled vehicle walking along the street device, and self-propelled vehicle stable travelled tire pressure and driver and passenger's safety plays an important role, and a kind of desirable tyre abnormal air-pressure alarm is developed in the long-term expectation of people, but fails so far to achieve one's goal.
In the prior art, U.S. Pat 4814745 has disclosed a kind of cap shape electronic alarm device that is installed on the Tyre air valve, it has the screw thread coupling, an elastic diaphragm, an electronic buzzer and the dry storage battery that connect air valve, when tire deflation, elastic diaphragm is connected and the alarm of sounding buzzer circuit.The buzzer phone of this invention is installed on the wheel and is not installed in operator's compartment, this has avoided a stubborn problem, promptly realize electric signal transmission by the rotating element of self-propelled vehicle and the conductivity between the stationary element, cause this invention to exist inherent defect just because of this, promptly, environmental noise make the driver can not hear or not hear the faint sound of buzzer phone on the wheel owing to disturbing, especially adding long vehicle such as superimposed trailer or independent trailer can't hear or not hear especially, buzzer phone and dry storage battery can not bear mud in addition, the erosion of water and moisture, high temperature, strenuous vibration etc. influence and can be malfunctioning was so should invention lack practicality.U.S. Pat 4837553 is pointed out the rotating element of self-propelled vehicle and the problem that the electric signal transmission between the stationary element is still a bad solution so far, the electric signal transmission that this invention has disclosed between automobile driving wheel and the car body will have two conductivity passages, one of them electric channel comprises the stationary element of suspended wheel and the hub bearing of a drive wheel, another electric channel comprise with the outer semiaxis of ground electrical isolation and with the ground inner shaft of electrical isolation not, concrete electrical isolation scheme is by install an electric(al) insulator additional between the outer semiaxis of steering drive axle and CV joint, but because the vehicle and the structure of self-propelled vehicle are various, this working of an invention scheme is not suitable for and turns to propons and drive axle, and can influence joint portion between outer semiaxis and the CV joint and transmit and to turn round the structural strength and the unfailing performance of refusing, so should invention lack commonality and applicability.
The objective of the invention is according to society for a long time to the demand of tyre abnormal air-pressure alarm, at the shortcoming that the prior art of contrast exists, provide a kind of tyre abnormal air-pressure alarm that can solve effectively that the self-propelled vehicle rotating element is electrically connected with rotation between the stationary element and equipment electroacoustic and/or electric light is installed in operator's compartment and reliably abnormal tyre pressure is reported to the police.
The present invention has adopted 17 accompanying drawings:
Fig. 1 is a ball-type rotating electrical connector structural representation;
Fig. 2 is cylindrical single contact electric brush type rotating electrical connector structural representation;
Fig. 3 is an annular arrangement single contact electric brush type rotating electrical connector structural representation;
Fig. 4 is cylindrical double-contact electric brush type rotating electrical connector structural representation;
Fig. 5 is an annular arrangement double-contact electric brush type rotating electrical connector structural representation;
Fig. 6 is a gas circuit connection hose structural representation;
Fig. 7 was that the infrabar flange connects the electric switch structural representation;
Fig. 8 was the anticyclonic pressure electric switch structural representation that is threaded;
Fig. 9 is that single tire flower wheel four connecting rods are crossed infrabar rotating electrical connector formula electric switch structural representation;
Figure 10 is that single tire drive wheel four connecting rods are crossed infrabar rotating electrical connector formula electric switch structural representation;
Figure 11 is that the single tire flower wheel is crossed low and mistake anticyclonic pressure rotating electrical connector formula electric switch structural representation;
Figure 12 is that the single tire drive wheel is crossed low and mistake anticyclonic pressure rotating electrical connector formula electric switch structural representation;
Figure 13 is that twin tire flower wheel four connecting rods are crossed infrabar rotating electrical connector formula electric switch structural representation;
Figure 14 is the tyre abnormal air-pressure alarm circuit diagram;
Figure 15 is rotating electrical connector installation example figure;
Figure 16 is the installation example figure of rotating electrical connector formula electric switch on flower wheel;
Figure 17 is the installation example figure of rotating electrical connector formula electric switch on drive wheel.
The objective of the invention is by developing a kind of electric switch and a kind of rotating electrical connector and selecting equipment a kind of electroacoustic and/or electric light to realize. Electric switch energy continuous probe tire air pressure state is also controlled working attachment electroacoustic and/or electric light and is crossed low or mistake hyperbar activating alarm, and electric switch is installed on motor vehicle spinner member such as wheel hub external end head or spoke or the wheel disc; Rotating electrical connector can effectively solve the motor vehicle spinner member and be connected with electric rotating between the stationary element and realize electrical signal transfer equipment being installed in driver's cabin, and rotating electrical connector is installed in binding site between motor vehicle spinner member and the stationary element especially between the wheel hub external end head of driven pulley and the wheel shaft spindle nose or on the brake-shoe or the binding site between back-plate or the caliper shell of the wheel hub of driving wheel or spoke or wheel disc and brake; Electric switch is communicated with the gas circuit connecting hose with gas circuit between the tire; Electric switch is connected with rotating electrical connector with circuit between the equipment; When the tire pressure abnormal, electric switch just is switched on or switched off alarm circuit according to air pressure extreme value Pmin and/or the Pmax that the continuous probe tire air pressure state is scheduled to, thereby control working attachment tire is crossed low or crossed the hyperbar activating alarm.
According to above-mentioned know-why, the present invention has two concrete solutions:
Electric switch and rotating electrical connector are discrete, and the joint pair of rotating electrical connector keeps permanent contact;
The unification of electric switch and rotating electrical connector, the joint pair of rotating electrical connector is exactly two electrodes of electric switch in the electric switch, so only at tire pressure of short duration contact, the valuable especially technical characterictic that this is rare just take place just to keep when unusual.
Below in conjunction with drawings and Examples the present invention is described in further detail.
With reference to Fig. 1, ball-type rotating electrical connector (Jba) is made of ball assembly (1) and ball pearl watt (2).Ball assembly (1) is made of ball (3), ball receiver (4), ball retainer (5), cylindrical helical compression spring (6), electrical isolation shell (7) and insulated electric conductors (8); Ball pearl watt (2) is made of pearl watt (9), electrical isolation shell (7) and insulated electric conductors (8); Ball assembly (1) is done relative rotation with ball pearl watt (2) and is electrically connected motion.
With reference to Fig. 2～Fig. 5, electric brush type rotating electrical connector (Jbr) is by brushgear housing (10,10 ') and electric sliding plate (11,11 ') or electric slip ring (12,12 ') formation.With reference to Fig. 2 and Fig. 3, brushgear housing (10) is made of brush (13), cylindrical helical compression spring (6), electrical isolation shell (7) and insulated electric conductors (8); Electricity sliding plate (11) is made of rosette (14), electrical isolation shell (7) and insulated electric conductors (8) or electric slip ring (12) is made of ring (15), electrical isolation outer shroud (16) and insulated electric conductors (8) in the metal.With reference to Fig. 4 and Fig. 5, brushgear housing (10 ') is made of brush (13), cylindrical helical compression spring (6), electrical isolation shell (7); Electricity sliding plate (11 ') is made of electrical isolation sliding plate (14 '), electrode (P, N) and insulated electric conductors (8,8 ') or electric slip ring (12 ') is made of electrical isolation slip ring (15 '), electrode (P, N) and insulated electric conductors (8,8 ').Brushgear housing (10,10 ') is done relative rotation with electric sliding plate (11,11 ') or electric slip ring (12,12 ') and is electrically connected motion.
With reference to Fig. 6, connection hose (T) two ends of gas circuit have air-pressure chamber joint (19) and valve connector (20) between the air-pressure chamber (17) of connection electric switch (K) and the tire tube valve (18) of tire.Air-pressure chamber joint (19) has connected nut (21), and connected nut (21) is connected with pore screwed pipe post (22); Valve connector (20) has connected nut (23) and the protruding core of joint (24), connected nut (23) is connected with tire tube valve (18), behind the apical grafting, the pressurized air in the tire just can be passed through in flexible pipe (T) the inflow air-pressure chamber (17) mutually for the protruding core of joint (24) and tire tube valve core bar (25).A tire tube valve of adjunction (18 ') in addition on the valve connector (20).
With reference to Fig. 7 and Fig. 8, low excessively and/or mistake anticyclonic pressure electric switch (Klh) is made of one to two air-pressure chamber (17), one to four sliding plunger (26,26 '), one to four spring housing (27,27 ') and one to four electric switch (28).
With reference to Fig. 7, to cross infrabar electric switch (Kl) and constitute by an air-pressure chamber (17), a sliding plunger (26), a spring housing (27) and an electric switch (28), electric switch (28) is installed between piston (26) and the air-pressure chamber (17).
With reference to Fig. 8, to cross anticyclonic pressure electric switch (Kh) and constitute by an air-pressure chamber (17), a sliding plunger (26), a spring housing (27) and an electric switch (28), electric switch (28) is installed between piston (26) and the spring housing (27).
Single tire is crossed low and/or is crossed anticyclonic pressure electric switch (Ks) and cross infrabar electric switch (Kl) and/or one by one and cross anticyclonic pressure electric switch (Kh) and constitute, and wherein air-pressure chamber (17) is public, and electric switch (28) be parallel connection.Electric switch (Ks) can be by crossing infrabar sliding plunger (26) and spring housing (27) and crossing anticyclonic pressure sliding plunger (26 ') and spring housing (27 ') branch and occupy air-pressure chamber (17) two ends or occupy air-pressure chamber one end together and be formed by combining.
Twin tire crosses low and/or mistake anticyclonic pressure electric switch (Kd) is crossed low by two single tires and/or mistake anticyclonic pressure electric switch (Klh) constitutes, and wherein electric switch (28) is parallel connection.
With reference to Fig. 9～13, rotating electrical connector formula electric switch (Kr) is made of one to two air-pressure chamber (17), one to four sliding plunger (26,26 ', 57), one to four spring housing (27,27 '), one to two four-bar linkage (41) and a rotating electrical connector formula electric switch (42).
With reference to Fig. 9～12, single tire rotating electrical connector formula electric switch (Krs) is made of an air-pressure chamber (17), one to two sliding plunger (26,26 ', 57), one to two spring housing (27,27 '), a four-bar linkage (41) and a rotating electrical connector formula electric switch (42).The spring housing of Figure 10 (27 ') does not hold in the float electrode (45) of electric switch (42) at sliding plunger (57) end.The infrabar sliding plunger (26) excessively of Figure 11 and Figure 12 and spring housing (27) occupy air-pressure chamber (17) two ends with mistake anticyclonic pressure sliding plunger (26 ') and spring housing (27 ') branch, too high pneumaticpiston (26 ') is the float electrode (45) of double as rotating electrical connector formula electric switch (42) simultaneously, thereby cancelled four-bar linkage (41), cross infrabar piston (26) and survey the area Sl of air pressure surveys air pressure greater than too high pneumaticpiston (26 ' promptly 45) area Sh, when crossing infrabar extreme value Pmin, the distortion elastic force Pl that crosses infrabar stage clip (6) is greater than the distortion elastic force Ph that crosses anticyclonic pressure stage clip (6 ').
With reference to Figure 13, twin tire rotating electrical connector formula electric switch (Krd) is made of two air-pressure chambers (17), two to four sliding plungers (26,26 '), two to four spring housing (27,27 '), two four-bar linkages (41) and a rotating electrical connector formula electric switch (42).
With reference to Fig. 7～13, it is identical crossing pneumatic part low and/or mistake anticyclonic pressure electric switch (Klh) and rotating electrical connector formula electric switch (Kr), wherein air-pressure chamber (17) is made of open circles cylinder shell (29), elastic seal barrier film (30), elastic diaphragm guard shield (43), air-pressure chamber (17) has a pore (32), and pore (32) is communicated with gas circuit connection hose (T) with gas circuit between the tire valve (18); Piston (26) is made of long radius open circles cylindrical shell (33) and minor radius cylinder (34), survey anticyclonic piston cylinder body (33) and had flange (33 '), the internal diameter of cylinder (33) is by the external diameter decision of cylindrical helical compression spring (6), and air pressure extreme value Pmin or Pmax that the radius of cylinder (34) is scheduled to by the detecting tire abnormal air-pressure determine; Spring housing (27) and piston sliding cavity (35) process in spring housing's case lid (36), spring housing (27) is made of long radius circular hole (33) and minor radius circular hole (6), big hole (33) radius is determined by piston cylinder body (33) external diameter, small sircle hole (6) radius is by stage clip (6) external diameter decision, lays a stage clip (6) in the small sircle hole (6) of spring housing (27) and piston cylinder body (33).The structure of the sliding plunger of rotating electrical connector formula electric switch (Krs) among Figure 10, Figure 11 and Figure 12 (26,26 ', 57) and the position of spring housing (27,27 ') and elastic seal barrier film (30 ') can be decided by actual needs.Tire pressure acts on pressure on the piston (26,26 ', 57) by stage clip (6,6 ') balance, the elastic force Pr that stage clip (6,6 ') begins to be out of shape is the base pressure of electric switch (K), be the air pressure extreme value Pmin that can be scheduled to by the abnormal air-pressure of surveying tyres of different types or Pmax and accurate quantification, cross infrabar as detecting tire, the area Sl that air pressure Pmin minimum allowable that load Pr that begins to be out of shape that stage clip (6) bears and tire unit area bear and piston (26,57) bear this Pmin value satisfies relation:
Pr＝Pmin·Sl
Cross anticyclonic pressure as detecting tire, the area Sh that maximum allowable air pressure Pmax that load Pr that begins to be out of shape that stage clip (6,6 ') bears and tire unit area bear and piston (26,26 ') bear this Pmax value satisfies relation:
Pr＝Pmax·Sh
With reference to Fig. 7 and Fig. 8, crossing electric switch (28) low and/or anticyclonic pressure electric switch (Klh) excessively is made of a pair of semi-circular electrode (37) and an electric collar (38), annular arrangement electrode (37) is cemented on the electrical isolation piston seat (31), and the electric collar (38) is sleeved on the end of piston (26).
With reference to Fig. 7, the electric switch (28) of crossing infrabar electric switch (Kl) is installed between piston (26) and the air-pressure chamber (17), when tire pressure just often, piston (26) is pressed on an end of the close spring housing (27) of plunger shaft (35), electric switch this moment (28) disconnects, equipment (B, L) do not work, when tire pressure is lower than normobaric lower limit Pmin, piston (26) is pressed on an end of the close air-pressure chamber (17) of plunger shaft (35) under the thrust of stage clip (6), electric switch this moment (28) is connected, equipment (B, L) work.
With reference to Fig. 8, the electric switch (28) of crossing anticyclonic pressure electric switch (Kh) is installed between piston (26) and the spring housing (27), when tire pressure just often, piston (26) is pressed on an end of the close air-pressure chamber (17) of plunger shaft (35), electric switch this moment (28) disconnects, equipment (B, L) is not worked, when tire pressure is higher than normal barometric pressure upper limit Pmax, piston (26) is pressed on an end of the close spring housing (27) of plunger shaft (35) under the tire pressure effect, electric switch this moment (28) is connected, equipment (B, L) work.
With reference to Fig. 9～13, the electrode (45,46) of electric switch (42) is exactly the joint pair (10 ', 11 ' or 12 ') of rotating electrical connector (Jbr) in the rotating electrical connector formula electric switch (Kr), so float electrode (45) is brushgear housing (10 '), fixed electorde (46) is electric sliding plate (11 ') or electric slip ring (12 '), and this decides according to concrete mounting condition; A cross bar (47) of four-bar linkage (41) is connected with piston (26,57), and the pressure saddle (49) of float electrode in another root cross bar (48) and the electric switch (42) (45 promptly 10 ') or float electrode (45 promptly 10 ') is connected; Two vertical poles (50) of four-bar linkage (41) pass the be connected guiding slide opening (51) of back processing of air-pressure chamber housing (29), spring housing's case lid (36), electric switch pedestal (44) and transmit pressure in the single tire rotating electrical connector formula electric switch (Krs); Two vertical poles (50) of four-bar linkage (41) are that lateral surface from air-pressure chamber (17) transmits pressure in the twin tire rotating electrical connector formula electric switch (Krd), the float electrode of electric switch (42) (45 promptly 10 ') is not connected with pressure saddle (49), and float electrode (45 be 10 ') has guide chute (54) and reseting pressuring spring (55); In spring housing's case lid (36) and electric switch pedestal (44), be processed with the guide chute (52,53) of cross bar (47,48).Under the situation that adopted anticyclonic pressure sliding plunger (26 ') double as float electrode (45), four-bar linkage (41) is cancelled.
With reference to Fig. 9, Figure 11 and Figure 13, the self-propelled vehicle flower wheel can be single tire electric switch (Krs) or twin tire electric switch (Krd) with rotating electrical connector formula electric switch (Kr).
With reference to Figure 10 and Figure 12, the self-propelled vehicle drive wheel is generally single tire electric switch (Krs) with rotating electrical connector formula electric switch (Kr), if desired, two single tire electric switchs (Krs) can be constituted a twin tire electric switch (Krd).The sliding plunger (57) of electric switch among Figure 10 (Krs) is made of a cylinder (58) and a torus (59), and cylinder (58) adopts screw thread fixed with torus (59); A cross bar (47) of four-bar linkage (41) is connected with piston torus (59), the float electrode of another root cross bar (48) and electric switch (42) (45 promptly 10 ') is connected, by the cylinder (58) of adjusting piston and the relative position scalable electric switch electrode between the torus (59) (45 be 10 ', 46 be 11 ' or 12 ') between distance; The float electrode of electric switch (42) (45 promptly 10 ') be long radius cylindrical electrode contact (60) and minor radius cylindrical electrode connecting rod (61) formation; The float electrode of electric switch pedestal (44) guiding slide opening (62) is made of long radius circular hole (60) and minor radius circular hole (61), and the radius of big hole (60) and small sircle hole (61) is determined by the large cylinder (60) of float electrode (45 be 10 ') and the radius of small cylinder (61) respectively; Spring housing (27 ') is a float electrode (45 promptly 10 ') and lead annular space between the slide opening (62) of float electrode, lays a cylindrical helical compression spring (6) betwixt.As needs are installed, and float electrode assembly (63) can be discrete with electric switch pedestal (44), and float electrode connecting rod (61) can change metal connecting line (64) into.Electric switch among Figure 12 (Krs) cross anticyclonic pressure sliding plunger (26 ' promptly 45) by pneumatic part (26 ' a) and electrode part (26 ' e) formations, too high pneumatic elasticity seal dissepiment (30 ') is placed in the pneumatic part (26 ' a) and electrode part (26 ' e) junction, and the replacement of the rubber valve (Va) in the available tire tube valve of elastic seal barrier film (30 ') (18) of too high pneumaticpiston (26 ' promptly 45).As needs are installed, (26 ' e) can (26 ' a) is discrete, seals and use a gas circuit connection hose (T ') connection therebetween with the pneumatic part of electric switch pedestal (44) and piston (26 ' promptly 45) thereof for the electrode of too high gas spring chamber (27 ') and piston thereof (26 ' promptly 45) part.
With reference to Fig. 7～13, air-pressure chamber housing (29) and spring housing's case lid (36) be connected and/or air-pressure chamber housing (29) adopts screw to connect with being connected of electric switch pedestal (44) or is threaded; Cross the air-pressure chamber housing (29) low and/or anticyclonic pressure electric switch (Klh) excessively and the shell (56) or the electric switch pedestal (44) of rotating electrical connector formula electric switch (Kr) and can process a flange (39), electric switch (Klh, Kr) is installed on the wheel hub external end head (66) by the flange connection; Cross the spring housing's case lid (36) low and/or anticyclonic pressure electric switch (Klh) excessively and the electric switch pedestal (44) of rotating electrical connector formula electric switch (Kr) and can process a double-screw bolt (40), electric switch (Klh, Kr) is installed on drive wheel spoke (68) or the wheel disc (69) by being threaded.
With reference to Fig. 9～13, air-pressure chamber (17) in the rotating electrical connector formula electric switch (Kr) and elastic seal barrier film thereof (30,30 ' or Va), spring housing (27,27 ') and stage clip (6,6 ') thereof, piston (26,26 ' promptly 45,57) can change and combination by actual needs.Piston (26,26 ' promptly 45,57) at tire pressure and stage clip (6,6 ') the elastic force effect under, with the variation of tire pressure in plunger shaft (35,35 ') the interior slip, Fig. 9, piston (26 among Figure 10 and Figure 13,57) slip drives four-bar linkage (41) motion, piston (26 among Figure 11 and Figure 12,26 ' promptly 45) independently moving, and cross low and/or cross air pressure extreme value Pmin that anticyclonic pressure be scheduled to and/or Pmax controls electric switch (42) and is switched on or switched off, thereby Control work device (B according to the continuous probe tire, L) cross low to tire or mistake anticyclonic pressure activating alarm.
With reference to Figure 14, be example with 10 meters long Dongfeng brand superimposed trailers, illustrate that the circuit of automobile tyre abnormal air-pressure alarm connects.This superimposed trailer has two single-wheel front-wheels, four pairs of two-wheel trailing wheels are arranged, single tire of each single-wheel front-wheel is crossed low and/or is crossed anticyclonic pressure electric switch (K) and a rotating electrical connector (Jr) or a single tire rotating electrical connector formula electric switch (K), twin tire of every pair of two-wheel drive wheel is crossed low and/or is crossed anticyclonic pressure electric switch (K) and a rotating electrical connector (Jr) or two single tire rotating electrical connector formula electric switchs (K), and twin tire of every pair of two-wheel flower wheel is crossed low and/or crossed anticyclonic pressure electric switch (K) and a rotating electrical connector (Jr) or a twin tire rotating electrical connector formula electric switch (K).Each front-wheel and the every pair of trailing wheel all have a corresponding with it electro-optical device such as red indicating light bubble (L), and it is 12 volts direct supply (E) as electronic buzzer (B) and one that each self-propelled vehicle only needs an electroacoustic device.Each electro-optical device (L) all and electroacoustic device (B) parallel connection, electro-optical device (L) that the electric switch of each front-wheel and every pair of trailing wheel (K) can both independently draw oneself up and the work of public electroacoustic device (B), electroacoustic device (B) and electro-optical device (L) can use separately, also can use simultaneously, use best simultaneously.
With reference to Figure 15～17 and Fig. 1～5, under self-propelled vehicle flower wheel situation, ball assembly (1) is installed in wheel shaft spindle nose (67) and ball pearl watt (2) is installed in wheel hub external end head (66), and perhaps ball pearl watt (2) is installed in wheel shaft spindle nose (67) and ball assembly (1) is installed in wheel hub external end head (66); Brushgear housing (10) is installed in wheel shaft spindle nose (67) and electric sliding plate (11) is installed in wheel hub external end head (66), perhaps electric sliding plate (11) is installed in wheel shaft spindle nose (67) and brushgear housing (10) is installed in wheel hub external end head (66), and this decides according to concrete mounting condition.Under self-propelled vehicle drive wheel situation, mainly be to adopt electric brush type rotating electrical connector (Jbr), brushgear housing (10) can be installed on the brake shoe brake cheek (71) of drum brake mechanism, electric slip ring (12) can be installed in brake wheel (70) the inner, perhaps brushgear housing (10) can be installed on the caliper shell (73) of plate disc brake, and electric slip ring (12) can be installed on the wheel hub (65).
With reference to Figure 15～17 and Fig. 7～8, low excessively and/or mistake anticyclonic pressure electric switch (Klh) can be installed on the wheel hub external end head (66) or spoke (68) or wheel disc (69) of flower wheel or drive wheel.Electric switch (Klh) is connected with rotating electrical connector (Jba, Jbr) with circuit high potential electric channel between the equipment (B, L), and circuit zero level electric channel adopts earthing mode to be communicated with.
With reference to Figure 16, Fig. 9, Figure 11 and Figure 13, under self-propelled vehicle flower wheel situation, rotating electrical connector formula electric switch (Kr) is installed in wheel hub external end head (66), its fixed electorde (46) is electric sliding plate (11 '), electricity sliding plate (11 ') is installed on the wheel shaft spindle nose (67), and the insulated electric conductors (8,8 ') of fixed electorde (46 promptly 11 ') is drawn from the centre hole of processing at wheel shaft.
With reference to Figure 17, Figure 10 and Figure 12, under self-propelled vehicle drive wheel situation, rotating electrical connector formula electric switch (Kr) is installed on spoke (68) or the wheel disc (69), its float electrode (45 promptly 10 ') stretches into brake wheel (70) the inner, its fixed electorde (46) can be electric slip ring (12 '), electric slip ring (12 ') adopts supporting member to be installed on the back-plate (72), for the two-wheel drive wheel, two single tire rotating electrical connector formula electric switchs (Krs) can be installed, its fixed electorde (46) belongs to public as electric slip ring (12 '), the insulated electric conductors (8 of electric slip ring (12 '), 8 ') draw along its supporting member.
The core of technology of the present invention and protection thereof is the technical scheme that is electrically connected the rotation electrical connection realization automobile tyre abnormal air-pressure warning of especially passing through rotating electrical connector formula electric switch (Kr) thereby realizing by the self-propelled vehicle rotating element with the rotation between the stationary element; although numerous embodiment have been enumerated in the enforcement of this technical scheme; but also diversified embodiment can be arranged, thus protection scope of the present invention do not abandon technical solution of the present invention the scope that should comprise.
The present invention meets social demand, has overcome some shortcoming of prior art; Owing to adopted rotating electrical connector, and it is installed in binding site between self-propelled vehicle rotating element and the stationary element especially between wheel hub external end head and the wheel shaft spindle nose, therefore the running contact between joint pair rubs and examines, do not bear any load, be not subjected to the influence of centnifugal force yet, the displacement spy of relative motion between the joint pair is little, and be similar to a contact, so can solve the self-propelled vehicle rotating element effectively is electrically connected with rotation between the stationary element to realize this thorny problem of electric signal transmission, and the service life and the performance reliability of siren horn have been improved, especially after the joint pair of the electric switch of electric switch and rotating electrical connector being united two into one, can only at tire pressure rotating electrical connector take place just to use momently when needing to report to the police unusually just, so just can avoid unnecessarily using rotating electrical connector between normal epoch for a long time, thereby make the longer service life of siren horn at tire pressure, more reliable performance; Owing to adopted electric switch, make siren horn energy continuous probe tire air pressure state, and accurate quantificationization ground is crossed to tire or the timely activating alarm of mistake anticyclonic pressure low, too high air pressure alarm can also solve the overload of motor-driven vehicle problem technically; Owing to adopt sound and light to show simultaneously, thereby can accurately and reliably judge it is which tire generation pressure abnormity at once; The invention solves rotation and be electrically connected this thorny problem, new series of products are provided, make self-propelled vehicle driving stability and safety and save tire, inheritance with good prior art accumulation, and technology, structure, manufacturing process are all simple, productive costs is low and working service is easy, applicable to automobile, trackless trolley car and trac. etc., applicable to cart and dolly, lorry and passenger vehicle, single-wheel and two-wheel, inner tube of a tyre formula tire and advantages such as inner tube free tire, heavy duty and zero load, good effect with remarkable social benefit and technical economic benefit.
Embodiments of the present invention, be to produce low and/or mistake anticyclonic pressure electric switch, rotating electrical connector and rotating electrical connector formula electric switch by the technology of the present invention, and select a kind of electronic buzzer and a kind of pilot bulb for use, according to circuit diagram of the present invention and erection plan above-mentioned siren horn parts are installed on the self-propelled vehicle and get final product.
Claims (10)
1, a kind of automobile tyre abnormal air-pressure alarm, have the arrangements of electric connection between pressure sensor, rotating element and the stationary element and be electrically connected with stationary element be installed in interior equipment electroacoustic and/or electric light (B, L) of operator's compartment, it is characterized in that:
1) pressure sensor is electric switch (Klh), electric switch (Klh) energy continuous probe tire air pressure state, and Control work device (B, L) is to crossing low or crossing the anticyclonic pressure activating alarm, electric switch (Klh) is installed on wheel hub external end head (66) or spoke (68) or the wheel disc (69), and mounting means can adopt flange to connect or be threaded;
2) arrangements of electric connection between rotating element and the stationary element is rotating electrical connector (Jr), the joint pair (1,2 of rotating electrical connector (Jba, Jbr); 10,11 or 12) binding site that is installed in self-propelled vehicle rotating element and stationary element respectively is especially between the wheel hub external end head (66) of flower wheel and the wheel shaft spindle nose (67) or on the brake shoe brake cheek (71) or the junction between back-plate (72) or the caliper shell (73) of the wheel hub (65) of drive wheel or spoke (68) or wheel disc (69) and drg;
3) electric switch (Klh) is communicated with gas circuit connection hose (T) with gas circuit between the tire valve (18), electric switch (Klh) is connected with rotating electrical connector (Jba, Jbr) with circuit high potential electric channel between the equipment (B, L), circuit zero level electric channel adopts earthing mode to be communicated with, any one tire pressure takes place unusual, and equipment (B, L) will activating alarm.
2,, it is characterized in that electric switch (Klh) is made of one to two air-pressure chamber (17), one to four sliding plunger (26), one to four spring housing (27) and one to four electric switch (28) according to the described siren horn of claim 1; Single tire is crossed low and/or is crossed anticyclonic pressure electric switch (Ks) and is made of an air-pressure chamber (17), one to two piston (26), one to two spring housing (27) and one to two electric switch (28); Twin tire crosses low and/or mistake anticyclonic pressure electric switch (Kd) is crossed low by two single tires and/or mistake anticyclonic pressure electric switch (Ks) constitutes; Air-pressure chamber (17) is made of housing (29), elastic seal barrier film (30), elastic diaphragm guard shield (43) and electrical isolation piston seat (31), air-pressure chamber (17) has a pore (32), and pore (32) is communicated with the gas circuit connection hose (T) of air-pressure chamber joint (19) and valve connector (20) respectively with two ends with gas circuit between the tire valve (18); Spring housing (27) and piston sliding cavity (35) process in spring housing's case lid (36), lay a stage clip (6) in spring housing (27), and piston (26) can be free to slide in plunger shaft (35); Electric switch (28) is made of an a pair of semi-circular electrode (37) and an electric ring set (38), semi-circular electrode (37) is cemented on the electrical isolation piston seat (31), the electricity collar (38) is sleeved on the end of piston (26), electric switch (28) be installed in piston (26) and air-pressure chamber (17) but between the continuous probe tire cross infrabar, electric switch (28) be installed in piston (26) and spring housing (27) but between the continuous probe tire cross anticyclonic pressure, the electric switch (28) in the electric switch (Klh) is parallel connection; Air-pressure chamber housing (29) adopts screw to connect with being connected of spring housing's case lid (36) or is threaded, air-pressure chamber housing (29) can be processed a flange (39), by the flange connection electric switch (Klh) is installed in wheel hub external end head (66), spring housing's case lid (36) can be processed a double-screw bolt (40), by being threaded electric switch (Klh) is installed on spoke (68) or the wheel disc (69); Piston (26) is under the elastic force effect of tire pressure and stage clip (6), variation with tire pressure is slided in plunger shaft (35), and the air pressure extreme value Pmin that is scheduled to according to the continuous probe abnormal tyre pressure and/or Pmax control electric switch (28) be switched on or switched off, thereby Control work device (B, L) is crossed low to tire or cross the anticyclonic pressure activating alarm.
3, according to the described siren horn of claim 1, it is characterized in that rotating electrical connector (Jr) is a ball-type rotating electrical connector (Jba), ball-type rotating electrical connector (Jba) is made of ball assembly (1) and ball pearl watt (2); Ball assembly (1) is made of ball (3), ball receiver (4), ball retainer (5), cylindrical helical compression spring (6), electrical isolation shell (7) and insulated electric conductors (8), and ball pearl watt (2) is made of pearl watt (9), electrical isolation shell (7) and insulated electric conductors (8); Ball assembly (1) is done relative rotation with ball pearl watt (2) and is electrically connected motion; Under self-propelled vehicle flower wheel situation, ball assembly (1) is installed in wheel shaft spindle nose (67) and ball pearl watt (2) is installed in wheel hub external end head (66), and perhaps ball pearl watt (2) is installed in wheel shaft spindle nose (67) and ball assembly (1) is installed in wheel hub external end head (66).
4, according to the described siren horn of claim 1, it is characterized in that rotating electrical connector (Jr) is an electric brush type rotating electrical connector (Jbr), electric brush type rotating electrical connector (Jbr) is by brushgear housing (10) and electric sliding plate (11) or electric slip ring (12) formation; Brushgear housing (10) is made of brush (13), cylindrical helical compression spring (6), electrical isolation shell (7) and insulated electric conductors (8), and electric sliding plate (11) is made of rosette (14), electrical isolation shell (7) and insulated electric conductors (8) or electric slip ring (12) is made of ring (15), electrical isolation outer shroud (16) and insulated electric conductors (8) in the metal; Brushgear housing (10) is done relative rotation with electric sliding plate (11) or electric slip ring (12) and is electrically connected motion; Under self-propelled vehicle flower wheel situation, brushgear housing (10) is installed in wheel shaft spindle nose (67) and electric sliding plate (11) is installed in wheel hub external end head (66), and perhaps electric sliding plate (11) is installed in wheel shaft spindle nose (67) and brushgear housing (10) is installed in wheel hub external end head (66); Under self-propelled vehicle drive wheel situation, the brake shoe brake cheek (71) that brushgear housing (10) is installed in drum brake mechanism goes up and electric slip ring (12) is installed in brake wheel (70) the inner, and perhaps brushgear housing (10) is installed on the caliper shell (73) of plate disc brake and electric slip ring (12) is installed on the wheel hub (65).
5, a kind of automobile tyre abnormal air-pressure alarm has equipment electroacoustic and/or electric light (B, L) that is installed in the operator's compartment, it is characterized in that:
1) has a kind of rotating electrical connector formula electric switch (Kr), the electrode (45 of the rotating electrical connector formula electric switch (42) in the electric switch (Kr), 46) be exactly rotating electrical connector (Jbr) joint pair (10 ', 11 ' or 12 '), its float electrode (45 promptly 10 ') is installed on the electric switch (Kr), its fixed electorde (46 promptly 11 ' or 12 ') be installed on the back-plate (72) or caliper shell (73) of self-propelled vehicle stationary element such as flower wheel wheel shaft spindle nose (67) or drive wheel drg, electric switch (Kr) is installed on self-propelled vehicle rotating element such as flower wheel wheel hub external end head (66) or drive wheel spoke (68) or the wheel disc (69), and mounting means can adopt flange to connect or be threaded;
2) rotating electrical connector formula electric switch (Kr) is communicated with gas circuit connection hose (T) with gas circuit between the tire valve (18), circuit between electric switch (Kr) and the equipment (B, L) is connected with the float electrode of electric switch (42) (45 promptly 10 ') and fixed electorde (46 be 11 ' or 12 '), any one tire pressure takes place unusual, and equipment (B, L) will activating alarm.
6,, it is characterized in that rotating electrical connector formula electric switch (Kr) is made of one to two air-pressure chamber (17), one to four sliding plunger (26,57), one to four spring housing (27,27 '), one to two four-bar linkage (41) and a rotating electrical connector formula electric switch (42) according to the described siren horn of claim 5; Single tire rotating electrical connector formula electric switch (Krs) is made of an air-pressure chamber (17), one to two piston (26,57), one to two spring housing (27,27 '), a four-bar linkage (41) and an electric switch (42); Twin tire rotating electrical connector formula electric switch (Krd) is made of two air-pressure chambers (17), two to four pistons (26), two to four spring housing (27), two four-bar linkages (41) and an electric switch (42); Air-pressure chamber (17) is made of housing (29), elastic seal barrier film (30), elastic diaphragm guard shield (43), air-pressure chamber (17) has a pore (32), and pore (32) is communicated with the gas circuit connection hose (T) of air-pressure chamber joint (19) and valve connector (20) respectively with two ends with gas circuit between the tire valve (18); Spring housing (27) and piston sliding cavity (35) process in spring housing's case lid (36), lay a stage clip (6) in spring housing (27), and piston (26) can be free to slide in plunger shaft (35); Electric switch (42) is by electric switch pedestal (44), float electrode (45 promptly 10 ') and fixed electorde (46 promptly 11 ' or 12 ') formation; A cross bar (47) of four-bar linkage (41) and piston (26,57) be connected, the pressure saddle (49) of float electrode in another root cross bar (48) and the electric switch (42) (45 promptly 10 ') or float electrode (45 promptly 10 ') is connected, two vertical poles (50) of the four-bar linkage (41) in the single tire rotating electrical connector formula electric switch (Krs) pass air-pressure chamber housing (29), spring housing's case lid (36), the guiding slide opening (51) of processing transmitted pressure after electric switch pedestal (44) was connected, two vertical poles (50) of four-bar linkage (41) are the lateral surface transmission pressure from air-pressure chamber (17) in the twin tire rotating electrical connector formula electric switch (Krd), the float electrode of electric switch (42) (45 promptly 10 ') is not connected with pressure saddle (49), float electrode (45 promptly 10 ') has guide chute (54) and reseting pressuring spring (55), is processed with cross bar (47 in spring housing's case lid (36) and electric switch pedestal (44), 48) guide chute (52,53); Air-pressure chamber housing (29) adopts screw to connect with being connected of spring housing's case lid (36) with air-pressure chamber housing (29) and being connected of electric switch pedestal (44) or is threaded, the shell (56) of electric switch (Kr) or electric switch pedestal (44) can be processed a flange (39) or double-screw bolt (40), by the flange connection electric switch (Kr) is installed in wheel hub external end head (66), electric switch (Kr) is installed on spoke (68) or the wheel disc (69) by being threaded; Piston (26,57) is under the elastic force effect of tire pressure and stage clip (6), variation with tire pressure is slided in plunger shaft (35), the slip of piston (26,57) drives four-bar linkage (41) motion, and cross low and/or cross air pressure extreme value Pmin and/or the Pmax control electric switch (42) that anticyclonic pressure be scheduled to according to the continuous probe tire and be switched on or switched off, thereby Control work device (B, L) is crossed low to tire or anticyclonic pressure activating alarm excessively.
7, according to the described siren horn of claim 5, the sliding plunger (57) that it is characterized in that rotating electrical connector formula electric switch (Kr) is made of a cylinder (58) and a torus (59), cylinder (58) adopts screw thread fixed with torus (59), a cross bar (47) of four-bar linkage (41) is connected with piston torus (59), the float electrode of another root cross bar (48) and electric switch (42) (45 promptly 10 ') is connected, by the cylinder (58) of adjusting piston and the relative position scalable electric switch electrode between the torus (59) (45 promptly 10 ', 46 promptly 11 ' or 12 ') between distance, the float electrode of electric switch (42) (45 promptly 10 ') be long radius cylindrical electrode contact (60) and minor radius cylindrical electrode connecting rod (61) formation, the float electrode guiding slide opening (62) of electric switch pedestal (44) is made of long radius circular hole (60) and minor radius circular hole (61), the radius of big hole (60) and small sircle hole (61) is determined by the large cylinder (60) of float electrode (45 promptly 10 ') and the radius of small cylinder (61) respectively, spring housing (27 ') is a float electrode (45 promptly 10 ') and lead annular space between the slide opening (62) of float electrode, lay a cylindrical helical compression spring (6) betwixt, as needs are installed, float electrode assembly (63) can be discrete with electric switch pedestal (44), and float electrode connecting rod (61) can change metal connecting line (64) into.
8,, it is characterized in that rotating electrical connector formula electric switch (Kr) is made of one to two air-pressure chamber (17), two to four sliding plungers (26,26 '), two to four spring housing (27,27 ') and a rotating electrical connector formula electric switch (42) according to the described siren horn of claim 5; Single tire rotating electrical connector formula electric switch (Krs) is made of an air-pressure chamber (17), one to two piston (26,26 '), one to two spring housing (27,27 ') and an electric switch (42); Twin tire rotating electrical connector formula electric switch (Krd) is made of two air-pressure chambers (17), two to four pistons (26,26 '), two to four spring housing (27,27 ') and one to two electric switch (42); Air-pressure chamber (17) is made of housing (29), elastic seal barrier film (30,30 ' or Va), elastic diaphragm guard shield (43), air-pressure chamber (17) has a pore (32), and pore (32) is communicated with the gas circuit connection hose (T) of air-pressure chamber joint (19) and valve connector (20) respectively with two ends with gas circuit between the tire valve (18); Cross infrabar spring housing (27) and piston sliding cavity (35) processes in spring housing's case lid (36), lay a stage clip (6) in spring housing (27), piston (26) can be free to slide in plunger shaft (35); Too high gas spring chamber (27 ') and plunger shaft (35 ') process in electric switch pedestal (44), and a stage clip (6 ') is installed in spring housing (27 '), and piston (26 ') can be free to slide in plunger shaft (35 '); Too high pneumaticpiston (26 ') is exactly the float electrode (45 promptly 10 ') of electric switch (42), and piston (26 ' promptly 45) can be divided into pneumatic part (26 ' a) and electrode partly (26 ' e); Too high pneumatic elasticity seal dissepiment (30 ') can be installed in the pneumatic part (26 ' a) and electrode part (26 ' e) binding site, and can be rubber valve (Va) in the tire tube valve (18) of piston (26 ' promptly 45); Cross infrabar piston (26) and survey the area Sl of air pressure surveys air pressure greater than too high pneumaticpiston (26 ') area Sh, when crossing infrabar extreme value Pmin, the distortion elastic force Pl that crosses infrabar stage clip (6) is greater than the distortion elastic force Ph that crosses anticyclonic pressure stage clip (6 '); Electric switch (42) is by electric switch pedestal (44), float electrode (45 promptly 26 ') and fixed electorde (46 promptly 11 ' or 12 ') formation; Air-pressure chamber (17) and elastic seal barrier film thereof (30,30 ' or Va), spring housing (27,27 ') and stage clip (6,6 ') thereof, piston (26,26 ' promptly 45) can change and combination by actual needs; As needs are installed, (26 ' e) can (26 ' a) is discrete, seals and use a gas circuit connection hose (T ') connection therebetween with the pneumatic part of electric switch pedestal (44) and piston (26 ' promptly 45) thereof for the electrode of too high gas spring chamber (27 ') and piston thereof (26 ' promptly 45) part; Air-pressure chamber housing (29) adopts screw to connect with being connected of spring housing's case lid (36) with air-pressure chamber housing (29) and being connected of electric switch pedestal (44) or is threaded, the shell (56) of electric switch (Kr) or electric switch pedestal (44) can be processed a flange (39) or double-screw bolt (40), by the flange connection electric switch (Kr) is installed in wheel hub external end head (66), electric switch (Kr) is installed on spoke (68) or the wheel disc (69) by being threaded; Piston (26,26 ' promptly 45) is under the elastic force effect of tire pressure and stage clip (6,6 '), variation with tire pressure is slided in plunger shaft (35,35 '), and cross low and/or cross air pressure extreme value Pmin and/or the Pmax control electric switch (42) that anticyclonic pressure be scheduled to according to the continuous probe tire and be switched on or switched off, thereby Control work device (B, L) is crossed low to tire or anticyclonic pressure activating alarm excessively.
9, according to the described siren horn of claim 5, the electrode (45,46) that it is characterized in that rotating electrical connector formula electric switch (42) is the joint pair of electric brush type rotating electrical connector (Jbr) (10 ', 11 ' or 12 '), its float electrode (45) is brushgear housing (10 '), its fixed electorde (46) is electric sliding plate (11 ') or electric slip ring (12 '), and brushgear housing (10 ') is made of brush (13), cylindrical helical compression spring (6), electrical isolation shell (7); Electricity sliding plate (11 ') is made of electrical isolation sliding plate (14 '), electrode (P, N) and insulated electric conductors (8,8 ') or electric slip ring (12 ') is made of electrical isolation slip ring (15 '), electrode (P, N) and insulated electric conductors (8,8 '); Float electrode (45 promptly 10 ') and fixed electorde (46 promptly 11 ' or 12 ') are only just done relative rotation electrical connection and are moved when electric switch (42) is connected.
10, according to claim 1 or 5 described siren hornes, it is characterized in that the composite set of equipment (B, L) for electroacoustic (B) and electric light (L), each single-wheel of self-propelled vehicle and every pair of two-wheel all have a corresponding with it electro-optical device (L), it generally is 12 volts direct supply (E) that each self-propelled vehicle only needs an electroacoustic device (B) and one, each electro-optical device (L) all and electroacoustic device (B) parallel connection, electro-optical device (L) that the electric switch of each single-wheel and every pair of two-wheel (K) can both independently draw oneself up and the work of public electroacoustic device (B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90108512A CN1019779B (en) | 1990-10-15 | 1990-10-15 | Tyre abnormal air-pressure alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN90108512A CN1019779B (en) | 1990-10-15 | 1990-10-15 | Tyre abnormal air-pressure alarm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1050850A CN1050850A (en) | 1991-04-24 |
| CN1019779B true CN1019779B (en) | 1992-12-30 |
Family
ID=4881012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN90108512A Expired CN1019779B (en) | 1990-10-15 | 1990-10-15 | Tyre abnormal air-pressure alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1019779B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2856848B1 (en) * | 2003-06-24 | 2005-10-14 | Michelin Soc Tech | ELECTRICAL CONNECTION ARRANGEMENT BETWEEN A WHEEL AND A BEARING-HUB ASSEMBLY |
| CN105667229A (en) * | 2016-01-14 | 2016-06-15 | 湖北文理学院 | Resonant type magnetic-coupling tyre pressure detecting device |
-
1990
- 1990-10-15 CN CN90108512A patent/CN1019779B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN1050850A (en) | 1991-04-24 |
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