CN108791103B - Vehicle ETC device - Google Patents

Abstract

The invention discloses a vehicle-mounted ETC device, which comprises a housing, which is provided with an ETC card slot, and also includes a cover plate, one side of the cover plate is rotatably connected to the housing through a rotating shaft, and the cover plate has an adhesive on the rotation stroke. The joint position and the clamping position; in the bonding position, the inner surface of the cover plate is attached to the outer surface of the housing, and the side of the cover plate away from the rotating shaft is connected to the housing through a locking piece; in the clamping position, The cover plate and the outer surface of the housing form an angle of 40-80 degrees; a card interface is provided on the cover plate, and the card interface includes the abdomen and the mouth; the first limiter is configured so that the two side plates can be within a preset range Swing, the first limiting part is clamped in the card interface; in the clamping position, the bottom of the groove of the first limiting part is used to clamp the connecting rod of the rearview mirror of the car; the outer surface of the cover plate is provided with The bonding layer is provided with a protective film. The vehicle-mounted ETC device provided by the embodiment of the present invention can satisfy different installation tendencies of the vehicle owner and the vehicle at the same time.

Description

Vehicle ETC device

technical field

The invention relates to automobiles and ETC technologies, in particular to a vehicle-mounted ETC device.

Background technique

At present, it has gradually become a trend to pass through high-speed toll stations without even stopping. In the mode of passing through toll stations quickly, a car must be equipped with a vehicle-mounted ETC device, which communicates with the high-speed toll station through the vehicle-mounted ETC device, so as to realize automatic toll collection. .

In the prior art, the vehicle-mounted ETC device is generally installed on the front windshield or rearview mirror of the automobile. For example, the authorized announcement number is CN204309689U, and the authorized announcement date is May 6, 2015. The title is "A Kind of Automobile Rearview Mirror". Structure" utility model patent, which includes a rearview mirror body, the rearview mirror body includes a rear shell and a front cover, and the rear shell has a battery storage slot, a main control board storage slot and an ETC storage slot; ETC The ETC device is placed in the storage slot; the main control board integrated with the driving record module and the car navigation module is placed in the main control board storage slot. The main control board is connected with a touch screen, a camera and a speaker, a touch screen and a lens The rear-view lens is formed as a whole, the camera is installed on the rear shell, and the speaker is placed in the speaker slot of the rear shell; a rechargeable battery is placed in the battery storage slot, and the rear shell is provided with an interface for charging the rechargeable battery; The rear shell is also provided with a storage card slot and a data line interface connected with the main control board; the front cover is provided with control buttons electrically connected with the main control board.

In the above-mentioned existing patents, modules such as the ETC accommodating tank, main control board, touch display, camera, and horn required by ETC are directly integrated into the housing of the automobile rearview mirror, but most of the existing technologies leave the factory The above-mentioned modules are not integrated on the rearview mirror of the car. After purchasing the car, the car owner needs to purchase the on-board ETC device and install it on the car. The conventional installation methods include sticking and clipping. Attached to the front windshield of the car, the snap-in type is to snap the on-board ETC device to the rearview mirror of the car through a snap-in device.

Ideally, the vehicle-mounted ETC device should be equipped with an adhesive mounting structure and a snap-in mounting structure at the same time, but based on cost considerations and space layout considerations, the cost of the two sets of devices is obviously higher, which also makes the vehicle-mounted ETC device occupy more space. This is not conducive to market competition. Such commercially available vehicle-mounted ETC devices are only designed with one of the sticky installation structure and the snap-in installation structure, but different models of cars and different hobbies of car owners make some cars or car owners more sensitive A certain installation method is preferred, and the vehicle-mounted ETC device with only one installation method brings inconvenience to the use of the vehicle owner.

Contents of the invention

The purpose of the present invention is to provide a vehicle-mounted ETC device to solve the above-mentioned deficiencies in the technology.

In order to achieve the above object, the present invention provides the following technical solutions:

A vehicle-mounted ETC device, comprising a housing, the housing is provided with an ETC card slot, and also includes a cover plate, one side of the cover plate is rotatably connected to the housing through a rotating shaft, and the cover plate rotates The stroke has a bonding position and a clamping position;

At the bonding position, the inner surface of the cover plate is attached to the outer surface of the housing, and the side of the cover plate away from the rotating shaft is connected to the housing through a locking member; In the clamping position, the cover plate forms an included angle of 40-80 degrees with the outer surface of the housing;

The cover plate is provided with a card interface, the card interface includes a belly and a mouth, the belly is located in the central area of the cover, and the mouth is located on the side of the cover away from the rotating shaft , from the abdomen to the mouth, the width of the card interface gradually decreases;

It also includes a U-shaped first limiting member, the first limiting member is configured so that the two side plates can swing within a preset range, the first limiting member is snapped into the card interface, and the The width of the opening of the first limiting member is smaller than the width of the bottom of the groove;

An elastic limiter is provided on the side of the housing away from the rotating shaft. At the clamping position, the bottom of the groove of the first limiter is used to clamp the connecting rod of the interior rearview mirror of the automobile. , the elastic limiting portion is used to abut against the interior rearview mirror of the automobile;

An adhesive layer is arranged on the outer surface of the cover plate, and a protective film is arranged on the adhesive layer.

The above-mentioned vehicle-mounted ETC device also includes a second limiting member. In the clamping position, the second limiting member is clamped on the inner side of the first limiting member, and the end of the second limiting member The part is used to abut the connecting rod.

In the above vehicle-mounted ETC device, the thickness of the first limiting member is greater than the thickness of the cover plate.

In the aforementioned vehicle-mounted ETC device, the outer wall of the first limiting member is provided with a radially extending portion, one side of the side plate of the first limiting member is a sharp edge, and the groove wall of the card interface faces upward. An extension part is extended inside, and a card slot is arranged on the extension part;

At the clamping position, the radially extending portion is attached to the cover plate, and the sharp edge is inserted into the clamping groove.

In the vehicle-mounted ETC device described above, the locking member is detachably connected to the housing and the cover plate, and the locking member is provided with a first abutting portion and a second abutting portion opposite to each other, and the housing There is an abutment groove on it;

In the clamping position, the locking member is clamped at the junction of the housing and the cover, and the first abutting portion and the second abutting portion are respectively abutted against the housing and the cover, so The first abutting portion is abutted in the abutting groove.

In the vehicle-mounted ETC device described above, the locking member includes two opposite splints and a connecting plate connecting the splints, and the opposite sides of each of the splints are respectively the first abutting portion and the second abutting portion. department;

In the bonding position, one of the splints is stuck in the groove on the cover plate, and the other splint is inserted in the blind hole on the housing; in the clamping position, the two splints It abuts against the housing and the cover with its opposite sides respectively.

In the above vehicle-mounted ETC device, the splint is a right-angled trapezoidal plate, and the right-angled waist of the right-angled trapezoidal plate is the first abutting portion.

The above-mentioned vehicle-mounted ETC device also includes a positioning alarm piece, the positioning alarm piece is a V-shaped bar, the inner angle of the V-shaped bar is greater than 120 degrees, and the bottom wall of the ETC card slot is provided with an alarm slot, A first magnet is fixed on the groove bottom wall of the alarm groove, and the V-shaped rod is rotatably connected in the alarm groove with its sharp end;

The stroke end of the ETC card inserted into the ETC card slot drives a wing plate of the V-shaped rod to be magnetically attracted to the first magnet.

The above-mentioned vehicle-mounted ETC device, the housing is also provided with a rod-shaped groove, and the rod-shaped groove is arranged side by side with the ETC card slot, and the bottom of the rod-shaped groove communicates with the bottom of the ETC card slot. A wing plate of the V-shaped rod is located at the bottom of the rod-shaped groove;

A driving rod is movably connected to the rod-shaped groove, and one end of the driving rod abuts against the V-shaped rod.

The above-mentioned vehicle-mounted ETC device also includes elastic clips, and the two elastic clips are respectively placed on two opposite side walls of the side wall of the groove, and the two elastic clips are used to clamp the ETC card .

In the above technical solution, the vehicle-mounted ETC device provided by the present invention integrates an adhesive mounting structure and a snap-in mounting structure on the cover plate of the housing at the same time, so that two functions are simultaneously realized in one structure, which not only reduces costs, but also The overall space of the equipment is not increased, and different installation tendencies of car owners and cars can be satisfied at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings that are required in the embodiments. Obviously, the accompanying drawings in the following description are only described in the present invention For some embodiments of the present invention, those skilled in the art can also obtain other drawings according to these drawings.

Fig. 1 is the side view of the vehicle-mounted ETC device that the embodiment of the present invention provides;

Fig. 2 is the front view of the vehicle-mounted ETC device that the embodiment of the present invention provides;

Fig. 3 is the use status diagram of the vehicle-mounted ETC device provided by the embodiment of the present invention;

Fig. 4 is the top view of the vehicle-mounted ETC device provided by the embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a cover plate provided by an embodiment of the present invention;

Fig. 6 is a schematic structural view of a cover plate provided by another embodiment of the present invention;

Fig. 7 is a cross-sectional view of the vehicle-mounted ETC device provided by the embodiment of the present invention.

Explanation of reference signs:

1. Housing; 2. ETC card slot; 3. Cover plate; 4. Rotating shaft; 5. Locking member; 5.1. First abutting part; 5.2. Second abutting part; ; 6.2, mouth; 7, first limiter; 8, elastic limiter; 9, adhesive layer; 10, protective film; 11, second limiter; 12, radial extension; 13, extension 14, card slot; 15, positioning alarm piece; 16, alarm slot; 17, first magnet; 18, rod-shaped slot; 19, drive rod; 20, elastic clip; 21, limit protrusion; 22, Rearview Mirror.

Detailed ways

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-7, a vehicle-mounted ETC device provided by an embodiment of the present invention includes a housing 1, the housing 1 is provided with an ETC card slot 2, and a cover plate 3, the cover plate 3 One side is rotatably connected to the housing 1 through a rotating shaft 4, and the cover plate 3 has a bonding position and a clamping position on the rotation stroke; at the bonding position, the inner surface of the cover plate 3 fits On the outer surface of the housing 1, the side of the cover plate 3 away from the rotating shaft 4 is connected to the housing 1 through a locking member 5; at the clamping position, the cover plate 3 forms an angle of 40-80 degrees with the outer surface of the housing 1; the cover plate 3 is provided with a card interface 6, the card interface 6 includes a belly 6.1 and a mouth 6.2, and the belly 6.1 is located on the In the central area of the cover plate 3, the mouth 6.2 is located on the side of the cover plate 3 away from the rotating shaft 4, from the abdomen 6.1 to the mouth 6.2, the width of the card interface 6 gradually decreases; It also includes a U-shaped first limiting member 7, the first limiting member 7 is configured so that the two side plates can swing within a preset range, and the first limiting member 7 is snapped to the card interface 6, the width of the opening of the first limiting member 7 is smaller than the width of the bottom of the groove; an elastic limiting portion 8 is provided on the side of the housing 1 away from the rotating shaft 4, and at the clamping position , the bottom of the groove of the first limiting member 7 is used to clamp the connecting rod of the interior rearview mirror of the automobile, and the elastic limiting part 8 is used to abut against the interior rearview mirror of the automobile; the cover plate 3 An adhesive layer 9 is arranged on the outer surface of the outer surface, and a protective film 10 is arranged on the adhesive layer 9 .

Specifically, for the vehicle-mounted ETC device provided in this embodiment, its electrical components such as processors, wireless communication units, etc. can refer to the related structure of the vehicle-mounted ETC device in the prior art. The improvement of this embodiment mainly lies in the hardware part, namely The connection structure on the vehicle-mounted ETC device used to install on the car, the connection structure mainly includes a cover plate 3, the cover plate 3 is connected to the housing 1 of the vehicle-mounted ETC device through the rotating shaft 4, and the rotation stroke of the cover plate 3 in the housing 1 It has a bonding position for sticking and a clamping position for clamping, wherein the bonding position is the position where the cover plate 3 is attached to the housing 1, and the clamping position is the position where the cover plate 3 and the housing 1 The outer side of the casing 1 is at an angle of 40-80 degrees, where the outer side of the housing 1 refers to the side that is arranged opposite to the cover plate 3 at the bonding position.

In this embodiment, the bonding structure includes a cover plate 3, a locking member 5, an adhesive layer 9 and a protective film 10. When the housing 1 needs to be bonded to the front windshield of the automobile, the cover plate 3 is attached to the front windshield of the automobile. On the housing 1, one end is connected to the housing 1 through the rotating shaft 4, and the other end is connected to the housing 1 through the locking member 5. The locking member 5 can be of various types to connect the cover plate 3 to the housing 1 structure, such as screwed structure, clamped structure or riveted structure. At the same time, an adhesive layer 9 is provided on the outer surface of the cover plate 3 away from the housing 1, and a protective film 10 is provided on the adhesive layer 9. When bonding, the protective film 10 is torn off, and the housing 1 is sealed by the adhesive layer 9. It is integrally bonded to the front windshield of the automobile with the cover plate 3.

In this embodiment, the clamping structure is a card interface 6 provided on the cover plate 3, a first limiter 7 used in conjunction with the card interface 6, and an elastic limiter 8 provided on the housing 1. The card interface 6 is A structure with a large abdomen and a small mouth, which extends from one side of the cover plate 3 to the central area on the cover plate 3, and also includes a U-shaped first limiter 7, which is configured as two side plates It can swing within a preset range. For example, the first limiting member 7 is an elastic member, or the two side plates of the U shape are elastic metal sheets, so they can swing slightly. The shape of the first limiting member 7 is consistent with the card interface. 6, when assembling, first open the locking part 5, turn the cover plate 3 to the clamping position, and then move the housing 1 to insert the connecting rod of the rearview mirror 22 into the abdomen 6.1 of the card interface 6 through the mouth 6.2, Subsequently, the first limiting member 7 is inserted into the connecting rod through its opening, and then the first limiting member 7 is snapped into the card interface 6 along the connecting rod. In this embodiment, the dimensions of the mouth 6.2 and abdomen 6.1 of the card interface 6 are larger than the size of the connecting rod, and the size of the bottom of the groove of the first limiting member 7 matches the size of the connecting rod, so that the connecting rod can be clamped, and The size of the opening of the first limiting member 7 is smaller than the size of the connecting rod. Due to the large size of the card interface 6, the connecting rod can be inserted smoothly. At the same time, because the opening of the first limiting member 7 can be broken apart, although its size is smaller than the size of the connecting rod, the connecting rod can still be snapped into after breaking apart. Subsequently, because the first limiting member 7 is stuck into the card interface 6, it cannot be opened after being limited, so that the cover plate 3 can be tightly connected with the connecting rod, and the connecting rod cannot be disengaged from the card interface 6. After the connecting rod is assembled, the casing 1 is rotated or slightly moved, and the elastic limiter 8 is abutted against the rear casing 1 of the rearview mirror 22 of the vehicle, so that the close connection between the vehicle-mounted ETC device and the rearview mirror 22 of the vehicle is realized.

In this embodiment, the elastic limiting part 8 can be an arc-shaped limiting structure arranged on the housing, which has the advantage that it can accommodate the housings of automobile rearview mirrors of different shapes. Optionally, the elastic limiting part can be The elastic protruding structure provided on the shell 1, such as multiple protruding points, multiple protruding columns, etc., has the advantage that it does not affect the spatial arrangement inside the shell, and the inside of the shell can still ensure complete space.

The vehicle-mounted ETC device provided by the embodiment of the present invention integrates an adhesive mounting structure and a clamping mounting structure on the cover plate 3 of the housing 1 at the same time, so that two functions can be realized at the same time in one structure, which not only reduces the cost, but also does not increase the cost. The overall space of the equipment can meet the different installation tendencies of car owners and cars at the same time.

In another embodiment provided by the present invention, it further includes a second limiting member 11, and at the clamping position, the second limiting member 11 is engaged with the inner side of the first limiting member 7 , the end of the second limiting member 11 is used to abut against the connecting rod, after snapping into the second limiting member 11, except for the bottom of the groove of the second limiting member 11, the rest of the cover plate 3 As a whole plate, the second limiting member 11 is used to improve the overall mechanical properties of the cover plate 3 and prevent the deformation of the first limiting member 7 .

In yet another embodiment provided by the present invention, further, the thickness of the first limiting member 7 is greater than the thickness of the cover plate 3, so that on the one hand, the first limiting member 7 can be smoothly inserted into the card interface 6, On the other hand, the clamping force of the first limiting member 7 on the connecting rod is increased.

Furthermore, the outer wall of the first limiting member 7 is provided with a radially extending portion 12, and at the clamping position, the radially extending portion 12 is attached to the cover plate 3, so that the first limiting member The connection between 7 and the cover plate 3 is more stable, one side of the side plate of the first limiting member 7 is a sharp edge, and an extension 13 is extended inward on the groove wall of the card interface 6, and the extension The part 13 is provided with a card slot 14; the sharp edge is inserted into the card slot 14, and the sharp edge is used for guiding when the first limiter 7 is inserted into the card interface 6 on the one hand, and on the other hand makes the first limiter The connection between the position piece 7 and the cover plate 3 is more stable.

In yet another embodiment provided by the present invention, further, the locking member 5 is detachably connected to the housing 1 and the cover plate 3, and the locking member 5 is oppositely provided with a first abutting portion 5.1 and the second abutment part 5.2, the first abutment part 5.1 and the second abutment part 5.2 can be a raised structure, such as a raised edge or a raised block, and the locking part 5 has a double function, one of which is used for sticking The locking of the cover plate 3 in the joint position, and the second is used for the auxiliary positioning of the cover plate 3 in the clamping position. When clamping, the housing 1 is provided with an abutment groove, and the locking member 5 is clamped on the housing. At the joint between the body 1 and the cover plate 3, the first abutting portion 5.1 and the second abutting portion 5.2 abut against the housing 1 and the cover plate 3 respectively, and the first abutting portion 5.1 abuts against the In the above abutting groove, the cover plate 3 cannot rotate due to the abutment of the locking member 5 at this time, and the connection with the automobile rearview mirror 22 is also more stable.

Furthermore, the locking member 5 includes two oppositely arranged splints and a connecting plate connecting the splints, that is, a U-shaped structure, and the opposite sides of each of the splints are respectively the first abutment Connecting portion 5.1 and second abutting portion 5.2; in the bonding position, one splint is stuck in the groove on the cover plate 3, and the other splint is inserted in the blind hole on the housing 1 , so that the cover plate 3 is pressed onto the outer surface of the housing 1, at this time the cover plate 3 and a part of the housing 1 are sandwiched between the two splints; The two sides abut against the housing 1 and the cover 3 respectively. At this time, the splint is vertically arranged to support the cover 3 as a whole.

Preferably, the splint is a right-angled trapezoidal plate, and the right-angled waist of the right-angled trapezoidal plate is the first abutting portion 5.1, that is, the right-angled waist is stuck in the abutting groove on the housing 1 for better fit.

During the insertion process of the ETC card, it may be impossible to read due to insufficient insertion. In the prior art, the car owner often uses forceful insertion. In another embodiment provided by the present invention, further, it also includes a positioning alarm 15 , the positioning alarm piece 15, the positioning alarm piece 15 is a V-shaped bar, the inner angle of the V-shaped bar is greater than 120 degrees, and the bottom wall of the ETC card slot 2 is provided with an alarm groove 16, and the alarm The first magnet 17 is fixed on the groove bottom wall of the groove 16, and the V-shaped rod is connected to the alarm groove 16 with its sharp end; the ETC card is inserted into the stroke end of the ETC card groove 2 to drive the V-shaped rod. A wing plate of the rod is magnetically attracted to the first magnet 17. When the ETC card is inserted in place, the V-shaped rod will be attracted to the first magnet 17. When it is adsorbed, a knocking sound will be generated, so that it can be heard when the ETC card is inserted. The impact sound indicates that the ETC card is inserted in place.

In addition, due to the frequent bumps during the use of the vehicle, the ETC card may be displaced and cannot be recognized. Therefore, it further includes elastic clips 20, and the two elastic clips 20 are respectively placed on the two sides of the side wall of the groove. On two opposite side walls, the two elastic clips 20 are used to clamp the ETC card, so that the connection of the ETC card in the ETC card slot 2 is more stable and will not be easily disengaged.

Furthermore, since the elastic clip 20 firmly clamps the ETC card, the strength required for its disassembly is relatively large, and the difficulty of removing the card is reduced through the rod-shaped groove 18 and the drive rod 19. The housing 1 is also provided with a rod-shaped Groove 18, the rod-shaped groove 18 is arranged side by side with the ETC card groove 2, the bottom of the rod-shaped groove 18 communicates with the bottom of the ETC card groove 2, and a wing plate of the V-shaped rod is located on the The groove bottom of the rod-shaped groove 18; a drive rod 19 is movably connected to the rod-shaped groove 18, and one end of the drive rod 19 abuts against the V-shaped rod. When taking out the card, depress the driving rod 19 to force the V-shaped rod to rotate and break away from the first magnet 17, and then it pushes the ETC card to move to break away from the elastic clip 20. It is more convenient to take it out now.

Furthermore, a limiting groove is arranged on the groove wall of the rod-shaped groove 18, and a limiting protrusion 21 is arranged on the driving rod 19, and the limiting protrusion 21 moves in the limiting groove, so that the effect of setting is to limit the drive rod 19 so that it cannot escape from the rod-shaped groove 18.

Still further, a second magnet is arranged on the groove wall of the limiting groove, and the second magnet is used for absorbing the limiting protrusion 21 , so that during daily use, the driving rod 19 will not make a sound due to moving back and forth.

Certain exemplary embodiments of the present invention have been described above only by way of illustration, and it goes without saying that those skilled in the art can use various methods without departing from the spirit and scope of the present invention. The described embodiments are modified. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims (8)

1. a kind of vehicle-mounted ETC device, including shell, ETC card slot is provided on the shell, which is characterized in that it further include cover board, The side of the cover board is rotationally connected on the shell by shaft, the cover board in rotational travel have bonding position and It is clamped position；

In the bonding position, the medial surface of the cover board is fitted on the lateral surface of the shell, far from institute on the cover board The side for stating shaft is connected on the shell by locking member；In the clamping position, the cover board is outer with the shell Side is in 40-80 degree angle；

Card interface is provided on the cover board, the card interface includes abdomen and oral area, and the abdomen is located in the cover board Heart district domain, the oral area is located on the side on the cover board far from the shaft, from the abdomen to oral area, the card interface Width be gradually reduced；

It further include the first locating part of U-shaped, first locating part, which is configured as two side plates, to be swung within a preset range, institute It states the first locating part to be connected in the card interface, the width of the opening of first locating part is less than the width of bottom portion of groove；

It is provided with elastic spacing portion on the side of the shaft on the shell, in the clamping position, first limit The bottom portion of groove of position part is used to be clamped the connecting rod of car inside rearview mirror, and the elastic spacing portion is for after abutting car inside Visor；

It is provided with adhesive layer on the lateral surface of the cover board, is provided with protective film on the adhesive layer.

2. vehicle-mounted ETC device according to claim 1, which is characterized in that

It further include the second locating part, in the clamping position, second locating part is connected in the inside of first locating part, The end of second locating part is for abutting the connecting rod.

3. vehicle-mounted ETC device according to claim 1, which is characterized in that the thickness of first locating part is greater than described The thickness of cover board.

4. vehicle-mounted ETC device according to claim 1, which is characterized in that the locking member is removably connected to described On shell and cover board, the first abutting part and the second abutting part are relatively set on the locking member, be provided on the shell to Access slot；

In the clamping position, the locking member is sandwiched in the junction of the shell and cover board, first abutting part and second Abutting part abuts the shell and cover board respectively, and first abutting part is connected in the abutting slot.

5. vehicle-mounted ETC device according to claim 4, which is characterized in that the locking member includes two be oppositely arranged Clamping plate and the connecting plate for connecting the clamping plate, the opposite sides side of each clamping plate is respectively that first abutting part and second are supported Socket part；

In the bonding position, a clamping plate is stuck in the groove on the cover board, another clamping plate inserts in the shell On blind hole in；In the clamping position, two clamping plates abut the shell and the lid with its opposite sides side respectively Plate.

6. vehicle-mounted ETC device according to claim 5, which is characterized in that the clamping plate is right-angled trapezium plate, the right angle The right angle waist of trapezoidal plate is first abutting part.

7. vehicle-mounted ETC device according to claim 1, which is characterized in that further include locating alarming part, the locating alarming Part is V shape pole, and the within angle of the V shape pole is greater than 120 degree, is provided with alarm slot, the report in the groove bottom wall of the ETC card slot It is fixed with the first magnet in the groove bottom wall of alert slot, the V shape pole is rotationally connected in the alarm slot with its sharp end；

The end of travel that ETC card insertion enters the ETC card slot drives a wing plate magnetic of the V shape pole to first magnet On.

8. vehicle-mounted ETC device according to claim 7, which is characterized in that rod-shaped slot is additionally provided on the shell, it is described Rod-shaped slot is set side by side with the ETC card slot, and the bottom of the rod-shaped slot is connected to the bottom of the ETC card slot, the V shape pole A wing plate be located at the slot bottom of the rod-shaped slot；

Drive rod is connected in the rod-shaped slot, one end of the drive rod abuts the V shape pole.