CN115166318B - Rural area lightning protection automatic early warning alarm device - Google Patents

Abstract

The invention discloses an automatic lightning warning and alarm device for rural areas, belonging to the field of lightning warning, comprising a base, an equipment cabinet is arranged in the middle of the upper surface of the base; a solar panel is fixedly connected to the side of the upper surface of the base near the equipment cabinet; The surface is close to the other side of the equipment cabinet and is fixed to the support rod; the upper end of the support rod is fixed to the installation plate; the electric field meter is installed on the lower surface of the installation plate; the upper surface of the installation plate is equipped with a circumferential adjustment mechanism; An angle measurement mechanism for measuring the solid angle of the field of view; the angle measurement mechanism includes an auxiliary support plate fixed on the upper surface of the circumferential adjustment mechanism; the front surface of the auxiliary support plate is connected to the measuring ruler by hinge rotation; by setting the angle measurement mechanism, the lightning protection warning alarm When the outdoor equipment of the system is installed, it can conveniently, quickly and accurately detect the solid angle of the field of view, and then judge whether the current installation position meets the requirements, thereby improving the installation efficiency.

Description

An automatic warning and alarm device for lightning protection in rural areas

technical field

The invention relates to the field of lightning early warning, and more specifically relates to an automatic early warning and alarm device for lightning protection in rural areas.

Background technique

In the rural areas of our country, due to the low height of most buildings, the open environment, the wide distribution of water and land junction areas, and the general weak awareness of lightning protection among the masses, when thunderstorms are encountered, lightning often causes damage to buildings and personnel. Casualties and property losses, etc. Therefore, early warning and alarm equipment is required to give early warning and alarm to lightning, and then send an alarm in advance to remind outdoor workers to take protective measures and avoidance measures in advance to reduce the occurrence of lightning injury accidents.

The existing lightning protection early warning and alarm system usually consists of three parts: outdoor equipment (atmospheric electric field instrument), early warning and alarm equipment (sound and light alarm) and client computer. Key equipment has strict installation requirements. The article "Precautions for Atmospheric Electric Field Meter Installation and Site Selection" in Baidu Library mentioned that the field of view solid angle α of the electric field meter probe should be as large as possible (minimum 90 degrees) during installation, and the field of view solid angle α is shown in Figure 6 of the specification, and there are no obstructions such as buildings and trees within the range of the solid angle of view α, so as to ensure that the sky and clouds are within the detection range.

However, in the prior art, when the atmospheric electric field meter is installed outdoors, it is generally detected by viewing the solid angle of the field of view with the naked eye. This method is suitable for open and unobstructed places, but if there are a certain number of buildings and trees around, etc. When blocking objects, there will be a large error, which will affect the detection accuracy of the atmospheric electric field meter, or special carrying and installation of detection instruments for measurement, but this method is more inconvenient to carry for the inconvenient traffic in rural areas, so in actual operation seldom used.

For this reason, an automatic warning and alarm device for lightning protection in rural areas is proposed.

Contents of the invention

1. technical problem to be solved

Aiming at the problems existing in the prior art, the object of the present invention is to provide an automatic lightning protection early warning and alarm device in rural areas. By setting an angle measurement mechanism, when installing the outdoor equipment of the lightning protection early warning and alarm system, it can be convenient, fast, Accurately detect the solid angle of the field of view, and then judge whether the current installation position meets the requirements, thereby improving the installation efficiency.

2. Technical solutions

In order to solve the above problems, the present invention adopts the following technical solutions.

An automatic warning and alarm device for lightning protection in rural areas, comprising a base, an equipment cabinet is arranged in the middle of the upper surface of the base; a solar panel is fixed on the upper surface of the base close to the side of the equipment cabinet; Connect the support rod; the upper end of the support rod is fixedly connected to the mounting plate; the lower surface of the mounting plate is provided with an electric field meter; the upper surface of the mounting plate is provided with a circumferential adjustment mechanism; the upper end of the circumferential adjustment mechanism is provided with an angle measurement mechanism for measuring the solid angle of the field of view ;

The angle measurement mechanism includes an auxiliary support plate fixed to the upper surface of the circumferential adjustment mechanism; the lower end of the front surface of the auxiliary support plate is fixed to a hinge, and the front surface of the auxiliary support plate is connected to the measuring ruler by hinge rotation; the outer surface of one side of the measuring ruler is fixed to the arc-shaped teeth The front surface of the arc-shaped rack is provided with an angle line; the upper end of the arc-shaped rack is meshed with a gear; one end of the gear is fixed to the rod body, and one end of the rod body runs through the auxiliary support plate and is fixedly connected to the handle, and the rod body is connected to the auxiliary The support plates are rotationally connected by bearings; the upper end of the front surface of the auxiliary support plate is provided with a locking mechanism for engaging the gears.

Further, the locking mechanism includes a fixed block fixed to the upper end of the front surface of the auxiliary support plate; the upper surface of the fixed block is provided with a push rod; the upper end of the push rod is fixed to the handle; the two sides of the lower surface of the fixed block are symmetrically fixed to two one No. 1 spring; the lower ends of the two No. 1 springs are fixedly connected to the connecting block; the lower end of the ejector rod runs through the fixed block, the connecting block and is fixedly connected to the fitting head. .

Further, the shape of the fitting plug fits with the tooth groove of the gear, so as to realize the engaging and locking effect on the gear.

Further, when the fitting plug is mated with the tooth groove of the gear, the No. 1 spring is set to be still in a compressed state, so as to squeeze the fitting plug and the gear, so that the engagement between the fitting plug and the gear is more stable.

Furthermore, an aiming hole is fixedly connected to the outer surface of one side of the measuring ruler close to the arc-shaped rack, and the direction of the aiming hole is parallel to the axial direction of the measuring ruler, so as to accurately and quickly determine the solid angle of view of the current obstruction.

Further, a grounding wire is provided on one side of the outer circular surface of the circumferential adjustment mechanism, and the measuring ruler, hinge, auxiliary support plate and the outer shell of the circumferential adjusting mechanism are all made of conductive metal materials, which are used to realize the lightning protection of the measuring ruler. Carried out to the ground.

Further, the circumferential adjustment mechanism includes a cover shell fixedly connected to the lower part of the auxiliary support plate; two vertical plates are symmetrically installed on the top of the inner surface of the cover shell with respect to the central axis; the bottom ends of the outer surfaces of one side of the two vertical plates are rotated by the rotating shaft There are L-shaped rods connected; the upper ends of the two L-shaped rods are fixedly connected with No. 2 springs, and the upper ends of the No. 2 springs are fixedly connected with the top of the inner surface of the cover shell; the lower ends of the two L-shaped rods are fixedly connected with lock blocks; The middle position of the upper surface of the board is fixed to the locking rod; the upper end of the locking rod is fixed to the spherical head; the spherical head extends to the inside of the cover shell.

Further, the lock block is a semicircular structure, and its curvature is the same as that of the cross-sectional circle of the lock rod.

Further, the middle position of the outer circular surface of the cover shell is fixedly connected with the ring-shaped slide bar; the ring-shaped slide bar is connected with the ring-shaped slide seat for rotation; All are conductive metal components.

Further, the lock bar is a member made of insulating material; the edge of the lower surface of the cover shell is fixed to the skirt to prevent rainwater from turning the lock bar into a conductor.

3. Beneficial effect

Compared with the prior art, the present invention has the advantages of:

(1) By setting the angle measurement mechanism, the present invention can conveniently, quickly and accurately detect the solid angle of the field of view when the outdoor equipment of the lightning protection early warning and alarm system is installed, and then judge whether the current installation position meets the requirements, thereby improving Compared with the traditional means of naked eye observation, the detection accuracy of the solid angle of view is improved, and compared with the detection method of carrying professional equipment, the present invention is more convenient to carry because the angle measurement mechanism is integrated with the outdoor equipment, and The measuring ruler can not only assist in angle measurement, but can also be used as a lightning rod after the angle measurement is completed, improving the lightning protection capability of the outdoor equipment of the lightning protection early warning and alarm system, which has good practicability.

(2) The invention can facilitate the use of the angle measurement mechanism by setting the locking mechanism, avoiding the rotation of the gear during the reading process, thereby ensuring the accuracy of the angle measurement. When in use, the No. 1 spring is always in a compressed state , Therefore, when the locking mechanism is locked, just release the handle. Under the action of the elastic potential energy of the No. 1 spring, the fitting head will fit tightly with the tooth groove of the gear due to the extrusion of the No. 1 spring, and the completion is completed. For the locking of the gear, when it is not in use, just pull the handle upwards, and the handle moves upwards, driving the ejector rod and the connecting block to move upwards, so that the No. 1 spring continues to compress, and the fitting head follows the handle Moving upward, away from the tooth groove of the gear, the gear is released and locked, and the shape of the fitting plug is fitted with the tooth groove of the gear, so as to improve the engagement and locking effect on the gear.

(3) By setting the circumferential adjustment mechanism, the present invention can not only quickly realize the circumferential angle adjustment of the angle measurement mechanism, so that it can measure the solid angle of the field of view of obstructions in different directions around it, and the adjustment is more rapid and convenient; in addition, Because the circumferential adjustment mechanism and the angle measurement mechanism can be quickly disassembled and installed with the main equipment of the electric field meter, it can be disassembled and transported during transportation, making it more convenient to carry.

Description of drawings

Fig. 1 is the schematic diagram of the front view three-dimensional structure of the present invention;

Fig. 2 is the enlarged schematic view of place A in Fig. 1 of the present invention;

Fig. 3 is the enlarged schematic view of the locking mechanism in Fig. 2 of the present invention;

Fig. 4 is a partial sectional structural schematic diagram of the circumferential adjustment mechanism of the present invention;

Fig. 5 is the rear view three-dimensional structure schematic diagram of the present invention;

FIG. 6 is a schematic illustration of the solid angle of view in the present invention.

Explanation of symbols in the figure:

1. Base; 2. Equipment cabinet; 3. Solar panel; 4. Support rod; 5. Mounting plate; 6. Electric field meter; 71. Cover; 72. No. 2 spring; ; 75, vertical plate; 76, lock bar; 77, lock block; 78, skirt; 79, ring slide bar; 710, ring slide seat; 8, auxiliary support plate; 9, ground wire; 10, hinge; 11, Aiming hole; 12, measuring ruler; 13, arc rack; 14, angle line; 15, gear; 17, locking mechanism; 171, handle; 172, fixed block; 173, ejector rod; 174, No. 1 spring; 175, the connecting block; 176, the chimeric plug.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only part of the embodiments of the present invention, not all embodiments, based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1:

Please refer to Fig. 1 to Fig. 6, an automatic warning and alarm device for lightning protection in rural areas, including a base 1, an equipment cabinet 2 is arranged in the middle of the upper surface of the base 1; Plate 3; the upper surface of the base 1 close to the other side of the equipment cabinet 2 is fixedly connected to the support rod 4; the upper end of the support rod 4 is fixedly connected to the mounting plate 5; one side of the lower surface of the mounting plate 5 is provided with an electric field meter 6; There is a circumferential adjustment mechanism; the upper end of the circumferential adjustment mechanism is provided with an angle measurement mechanism for measuring the solid angle of the field of view;

The angle measurement mechanism includes an auxiliary support plate 8 fixed on the upper surface of the circumferential adjustment mechanism; the lower end of the front surface of the auxiliary support plate 8 is fixedly connected to the hinge 10, and the front surface of the auxiliary support plate 8 is connected to the measuring ruler 12 through the hinge 10; the measuring ruler 12 The outer surface of one side is fixedly connected to the arc rack 13; the front surface of the arc rack 13 is provided with an angle line 14; the upper end of the arc rack 13 is meshed with a gear 15; One end passes through the auxiliary support plate 8 and is fixedly connected to the handle, and the rod body and the auxiliary support plate 8 are rotatably connected by a bearing; the upper end of the front surface of the auxiliary support plate 8 is provided with a locking mechanism 17 for engaging the gear 15 .

As shown in Figures 1 and 5, a grounding wire 9 is provided on one side of the outer circular surface of the circumferential adjustment mechanism, and the measuring ruler 12, the hinge 10, the auxiliary support plate 8 and the shell of the circumferential adjustment mechanism are all made of conductive metal materials, It is used to transmit the lightning connected to the measuring ruler 12 to the ground.

As shown in Figure 2, an aiming hole 11 is fixedly connected to the outer surface of one side of the measuring ruler 12 near the arc-shaped rack 13, and the direction of the aiming hole 11 is parallel to the axial direction of the measuring ruler 12, which is used to accurately and quickly determine the current obstruction solid angle of view.

Aiming at the detection of the solid angle of field of view of the electric field meter 6 in the existing method, there will be a large error in naked eye observation, and it is inconvenient to carry and install the detection instrument for measurement;

When carrying out the detection of the solid angle of the field of view, the base 1 is placed on the predetermined installation point earlier, and the detection of the solid angle of the field of view can be carried out after adjusting the level. Put your eyes against the end of the measuring ruler 12 close to the hinge 10, then control the locking mechanism 17 to open with one hand, and shake the handle with the other hand. The handle will drive the rod connected to the gear 15 to rotate, and the rod will drive the gear 15 to rotate. The arc-shaped rack 13 meshed with the gear 15 also rotates under the engagement of the gear 15, and finally the measuring ruler 12 fixedly connected with the arc-shaped rack 13 starts to rotate around the hinge 10; It can be seen from the angle description diagram that when measuring an obstruction in a far place, when the eyes are attached to the aiming hole 11 on the measuring ruler 12, the direction of sight of the eyes can be approximately regarded as the direction that the measuring ruler 12 is pointing to. Shake to drive the measuring ruler 12 to rotate until the measuring ruler 12 is no longer blocked by the obstruction. At this time, the gear 15 is fixed by the locking mechanism 17. In this state, the angle line 14 on the arc rack 13 can be Read out the 1/2 angle of the current solid angle of view, and then multiply it by 2 to get the solid angle of view. If the solid angle of view is less than 90 degrees, the currently selected position on the surface is unqualified, and the installation position needs to be reselected; If the solid angle of view is greater than 90 degrees, it indicates that the current position meets the requirements, and the base 1 can be fixedly installed; during the reading process, it should be noted that an indicator line is provided on the front surface of the auxiliary support plate 8 corresponding to the center position of the gear 15 , the indicated position is the current reading;

It is worth noting that the measuring ruler 12 used in the present invention for auxiliary detection of angles, after the angle detection is completed, the handle can be rotated in the aforementioned manner to a nearly vertical state, and then, on the side of the outer circular surface of the circumferential adjustment mechanism, There is a grounding wire 9, and the measuring ruler 12, the hinge 10, the auxiliary support plate 8 and the shell of the circumferential adjustment mechanism are all made of conductive metal materials. With this arrangement, the measuring ruler 12 can be converted into a lightning rod after the angle detection is completed. Use, in order to improve the conductive effect, a sharp needle can be fixedly connected to one end of the measuring ruler 12 to improve the lightning receiving effect, and then in thunderstorm weather, the lightning can be conducted to the ground to prevent lightning from damaging the electric field meter 6;

By setting the angle measurement mechanism, the invention can conveniently, quickly and accurately detect the solid angle of the field of view when the outdoor equipment (electric field meter 6) of the lightning protection early warning and alarm system is installed, and then judge whether the current installation position meets the requirements. Furthermore, the installation efficiency is improved. Compared with the traditional means of naked eye observation, the detection accuracy of the solid angle of the field of view is improved. Compared with the way of carrying professional equipment for detection, the present invention is more convenient to carry because the angle measurement mechanism is integrated with the outdoor equipment. , and the measuring ruler 12 can not only assist in angle measurement, but can also be used as a lightning rod after the angle measurement is completed, so as to improve the lightning protection capability of the outdoor equipment of the lightning protection early warning and alarm system, which has better practicability.

As shown in Figure 3, the locking mechanism 17 includes a fixed block 172 fixedly connected to the upper end of the front surface of the auxiliary support plate 8; the upper surface of the fixed block 172 is provided with a push rod 173; the upper end of the push rod 173 is fixedly connected to the handle 171; The two No. 1 springs 174 are fixed symmetrically on both sides of the lower surface of the 172; the lower ends of the two No. 1 springs 174 are jointly fixedly connected to the connecting block 175; Wherein, the ejector rod 173 is movably connected with the fixed block 172 , and the ejector rod 173 is fixedly connected with the connecting block 175 and the connecting block 175 .

As shown in FIG. 3 , the shape of the fitting plug 176 fits with the tooth groove of the gear 15 to realize the engaging and locking effect on the gear 15 .

As shown in Figure 3, when the fitting plug 176 is mated with the tooth groove of the gear 15, the No. 1 spring 174 is set to be still in a compressed state, so as to squeeze the fitting plug 176 and the gear 15, so that the fitting plug 176 Engaging with gear 15 is more stable.

Locking mechanism 17 is as the locking device to gear 15, and it is in use, and No. 1 spring 174 is in compressed state all the time, so, when locking mechanism 17 is locked, hand unclamps handle 171 and gets final product, in No. 1 spring 174 Under the action of elastic potential energy, the fitting plug 176 will fit tightly with the tooth groove of the gear 15 due to the extrusion of the No. 1 spring 174 to complete the locking of the gear 15, and when it is not in use, the handle 171 is lifted upward by hand That is, the handle 171 moves upwards, driving the push rod 173 and the connecting block 175 to move upwards, so that the No. 1 spring 174 continues to compress, and the fitting top 176 moves upwards with the handle 171, leaving the tooth groove of the gear 15, and the gear 15 Loosen the lock; in this embodiment, the shape of the fitting plug 176 fits with the tooth groove of the gear 15 to improve the engagement and locking effect on the gear 15 .

As shown in Figure 4, the circumferential adjustment mechanism includes a cover shell 71 fixedly connected to the lower side of the auxiliary support plate 8; two vertical plates 75 are installed symmetrically on the top of the inner surface of the cover shell 71 with respect to the central axis; one side of the two vertical plates 75 The bottom ends of the outer surface are connected with L-shaped rods 74 through rotating shafts; the upper ends of the two L-shaped rods 74 are fixedly connected with No. The lower end of the L-shaped rod 74 is fixedly connected with a locking block 77; the middle position of the upper surface of the mounting plate 5 is fixed with a locking rod 76; the upper end of the locking rod 76 is fixedly connected with a spherical head 73;

As shown in FIG. 4 , the locking block 77 is a semicircular structure, and its curvature is the same as that of the cross-sectional circle of the locking rod 76 .

As shown in Figure 4, the middle position of the outer circular surface of the cover shell 71 is fixedly connected with the annular slide bar 79; the external rotation of the annular slide bar 79 is connected with the annular slide seat 710; one side of the annular slide seat 710 is fixedly connected with the ground wire 9, and the ring The sliding seat 710 , the cover shell 71 and the annular sliding bar 79 are all components made of conductive metal.

As shown in FIG. 4 , the locking bar 76 is a component made of insulating material; the edge of the lower surface of the cover shell 71 is fixedly connected to the skirt 78 to prevent rainwater from turning the locking bar 76 into a conductor.

The angle measurement mechanism can be used to detect the solid angle of the field of view of the obstruction in a certain direction. However, in the actual use process, since there may be obstructions around the outdoor equipment of the lightning protection early warning and alarm system, it is necessary to block the surrounding area. All objects are tested for the solid angle of the field of view, but if the base 1 is rotated, and then the angle measurement mechanism is used for detection, it is time-consuming and laborious, and the detection efficiency is greatly reduced. Direction adjustment, which can quickly adjust the direction of the angle measurement mechanism, so that it can detect the solid angle of the field of view for the surrounding obstructions;

When the circumferential adjustment mechanism is in use, at first, the cover shell 71 is lifted upwards, and after the cover shell 71 moves upwards, the spherical head 73 no longer exerts an active force on the L-shaped rod 74, and the elastic potential energy of the second spring 72 Under the action, the two L-shaped rods 74 all rotate around the rotating shaft in the direction of the spherical head 73, so that the two locking blocks 77 are opened, and the locking rod 76 is no longer clamped, and then the cover shell 71 can be rotated at this time, and the cover The rotation of the shell 71 can drive the angle measuring mechanism installed on its upper surface to rotate. After the rotation to the direction of the obstruction to be detected, the cover shell 71 is put down. The common gravity of the cover shell 71 and the components installed on it Next, the spherical head 73 overcomes the elastic force of the second spring 72 and pushes up the two L-shaped rods 74 until the two L-shaped rods 74 are against the cover shell 71, and in the process, the two L-shaped rods The lower end of 74 will gradually approach the lock bar 76 due to the action of the rotating shaft. When the two L-shaped bars 74 are all against the cover shell 71, the two lock blocks 77 will clamp the lock bar 76 to realize the fixing of the cover shell 71. effect;

By setting the circumferential adjustment mechanism, the present invention can not only quickly realize the circumferential angle adjustment of the angle measurement mechanism, so that it can measure the solid angle of the field of view of the obstructions in different directions around, and the adjustment is more rapid and convenient; The direction adjustment mechanism and the angle measurement mechanism realize the quick disassembly and installation with the main equipment of the electric field meter 6, and can be disassembled and transported during transportation, making it more convenient to carry;

In addition, it should be noted that since the circumferential adjustment mechanism needs to perform circumferential rotation, the annular sliding bar 79 and the annular sliding seat 710 are used for sliding connection with the ground wire 9, and the annular sliding seat 710, the cover shell 71 and the The annular sliding bar 79 is a member of conductive metal material, which can ensure the normal conduction of lightning while realizing the rotating connection; and the locking bar 76 is a member of insulating material, which can prevent lightning from being transmitted to the bottom through the locking bar 76 The electric field meter 6 will cause damage to the electric field meter 6. In addition, the edge position of the lower surface of the cover shell 71 is fixed to the skirt 78 to prevent rainwater from adhering to the surface of the locking bar 76 and turning the locking bar 76 into a conductor. This prevents lightning conduction to the electric field meter 6 and ensures a good lightning protection effect.

Method of use: when the present invention is in use, at first, the base 1 is placed on a predetermined installation point, and the detection of the solid angle of the field of view can be carried out after adjusting the level. Manually put your eyes against the end of the measuring ruler 12 close to the hinge 10, then control the locking mechanism 17 to open with one hand, and shake the handle with the other hand. The handle will drive the rod connected to the gear 15 to rotate, and the rod will drive the gear 15 to rotate. , the arc-shaped rack 13 meshed with the gear 15 also rotates under the engagement of the gear 15, and finally the measuring ruler 12 fixedly connected with the arc-shaped rack 13 starts to rotate around the hinge 10; according to the field of view shown in Figure 6 It can be seen from the solid angle explanatory diagram that when measuring an occluder in a far place, when the eyes are close to the aiming hole 11 on the measuring ruler 12, the direction of sight of the eyes can be approximately considered as the direction that the measuring ruler 12 is pointing. The handle is shaken to drive the measuring ruler 12 to rotate until the measuring ruler 12 is no longer blocked by an obstruction. At this time, the locking mechanism 17 is used to fix the gear 15. In this state, the angle line 14 on the arc rack 13 is It can read out the angle of 1/2 of the current solid angle of view, and then multiply it by 2 to get the solid angle of view. If the solid angle of view is less than 90 degrees, the current selected position on the surface is unqualified, and the installation position needs to be reselected If the solid angle of view is greater than 90 degrees, it indicates that the current position meets the requirements, and the fixed installation of the base 1 can be carried out; in the reading process, it should be noted that the front surface of the auxiliary support plate 8 is provided with an indicator corresponding to the center position of the gear 15 line, the indicated position is the current reading;

After the angle detection is completed, the handle can be rotated in the aforementioned manner to a nearly vertical state, and then a grounding wire 9 is provided on one side of the outer circular surface of the circumferential adjustment mechanism, and a measuring ruler 12, a hinge 10, and an auxiliary support plate 8 and the casing of the circumferential adjustment mechanism are all made of conductive metal. With this arrangement, the measuring ruler 12 can be converted into a lightning rod after the angle detection is completed. In order to improve the conductive effect, a sharp needle can be fixed at one end of the measuring ruler 12. , to improve the lightning receiving effect, and then in thunderstorm weather, the lightning can be transmitted to the ground to prevent lightning from damaging the electric field instrument 6;

When the angle measuring mechanism is adjusted in the circumferential direction, firstly, the cover shell 71 is lifted up, and after the cover shell 71 moves upward, the spherical head 73 no longer exerts force on the L-shaped rod 74, and the second spring 72 Under the action of the elastic potential energy, the two L-shaped rods 74 rotate around the direction of the spherical head 73, so that the two locking blocks 77 are opened, and the locking rod 76 is no longer clamped, and the cover shell 71 can be rotated at this time. The rotation of the cover shell 71 can drive the angle measuring mechanism installed on its upper surface to rotate. After the rotation to the direction of the obstruction to be detected, the cover shell 71 is put down. Under the action of gravity, the spherical head 73 overcomes the elastic force of the second spring 72 and pushes up the two L-shaped rods 74 until the two L-shaped rods 74 are against the cover shell 71, and in the process, the two L-shaped rods 74 Due to the effect of the rotating shaft, the lower end of the shaped rod 74 will gradually approach the locking rod 76. When the two L-shaped rods 74 are all against the cover shell 71, the two locking blocks 77 will clamp the locking rod 76 to realize the locking of the cover shell 71. the fixation effect.

The above description is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention and its improved concept to make equivalent replacements or changes shall fall within the scope of protection of the present invention.

Claims (8)

1. The utility model provides a rural area lightning protection automatic early warning alarm device, includes base (1), its characterized in that: an equipment cabinet (2) is arranged in the middle of the upper surface of the base (1); a solar panel (3) is fixedly connected to one side of the upper surface of the base (1) close to the equipment cabinet (2); the upper surface of the base (1) is fixedly connected with a support rod (4) at the position close to the other side of the equipment cabinet (2); the upper end of the support rod (4) is fixedly connected with a mounting plate (5); an electric field instrument (6) is arranged on one side of the lower surface of the mounting plate (5); the upper surface of the mounting plate (5) is provided with a circumferential adjusting mechanism; the upper end of the circumferential adjusting mechanism is provided with an angle measuring mechanism for measuring a view solid angle;

the angle measuring mechanism comprises an auxiliary supporting plate (8) fixedly connected to the upper surface of the circumferential adjusting mechanism; the lower end of the front surface of the auxiliary supporting plate (8) is fixedly connected with a hinge (10), and the front surface of the auxiliary supporting plate (8) is rotatably connected with a measuring scale (12) through the hinge (10); the outer surface of one side of the measuring scale (12) is fixedly connected with an arc-shaped rack (13); an angle line (14) is arranged on the front surface of the arc-shaped rack (13); the upper end of the arc-shaped rack (13) is connected with a gear (15) in a meshing manner; one end of the gear (15) is fixedly connected with the rod body, one end of the rod body penetrates through the auxiliary supporting plate (8) and is fixedly connected with the handle, and the rod body is rotatably connected with the auxiliary supporting plate (8) through a bearing; the upper end of the front surface of the auxiliary supporting plate (8) is provided with a locking mechanism (17) for clamping the gear (15);

one side of the outer circular surface of the circumferential adjusting mechanism is provided with a grounding wire (9), and the measuring scale (12), the hinge (10), the auxiliary supporting plate (8) and the circumferential adjusting mechanism shell are all members made of conductive metal materials and used for transmitting thunder and lightning led by the measuring scale (12) to the ground;

the circumferential adjusting mechanism comprises a cover shell (71) fixedly connected below the auxiliary supporting plate (8); two vertical plates (75) are symmetrically arranged at the top end of the inner surface of the cover shell (71) relative to a central shaft; the bottom ends of the outer surfaces of one sides of the two vertical plates (75) are rotatably connected with L-shaped rods (74) through rotating shafts; the upper ends of the two L-shaped rods (74) are fixedly connected with a second spring (72), and the upper end of the second spring (72) is fixedly connected with the top end of the inner surface of the cover shell (71); the lower ends of the two L-shaped rods (74) are fixedly connected with locking blocks (77); a lock rod (76) is fixedly connected to the middle position of the upper surface of the mounting plate (5); the upper end of the lock rod (76) is fixedly connected with a spherical head (73); the spherical head (73) extends into the interior of the cover shell (71).

2. The rural area lightning protection automatic early warning device according to claim 1, characterized in that: the locking mechanism (17) comprises a fixed block (172) fixedly connected to the upper end of the front surface of the auxiliary supporting plate (8); the upper surface of the fixed block (172) is provided with a mandril (173) in a penetrating way; the upper end of the ejector rod (173) is fixedly connected with a handle (171); two first springs (174) are symmetrically and fixedly connected to the two sides of the lower surface of the fixed block (172); the lower ends of the two first springs (174) are fixedly connected with a connecting block (175) together; the lower end of the ejector rod (173) penetrates through the fixing block (172) and the connecting block (175) and is fixedly connected with the embedded ejector head (176), wherein the ejector rod (173) is movably connected with the fixing block (172), and the ejector rod (173) is fixedly connected with the connecting block (175).

3. The rural area lightning protection automatic early warning device according to claim 2, characterized in that: the shape of the embedding top head (176) is embedded with the tooth grooves of the gear (15), so that the clamping and locking effects on the gear (15) are realized.

4. The rural area lightning protection automatic early warning device according to claim 2, characterized in that: when the embedding top head (176) is embedded with the tooth grooves of the gear (15), the first spring (174) is still in a compressed state to extrude the embedding top head (176) and the gear (15), so that the embedding top head (176) and the gear (15) are clamped more stably.

5. The rural area lightning protection automatic early warning device according to claim 1, characterized in that: the outer surface of one side of the measuring scale (12) is fixedly connected with an aiming hole (11) at a position close to the arc-shaped rack (13), and the hole direction of the aiming hole (11) is axially parallel to the measuring scale (12) and is used for accurately and quickly determining the visual field solid angle of the current sheltering object.

6. The rural area lightning protection automatic early warning device according to claim 1, characterized in that: the locking piece (77) is a member of a semicircular structure and has the same curvature as that of the cross-sectional circle of the locking bar (76).

7. The rural area lightning protection automatic early warning device according to claim 1, characterized in that: the middle position of the outer circular surface of the cover shell (71) is fixedly connected with an annular sliding strip (79); an annular sliding seat (710) is rotatably connected to the outer part of the annular sliding strip (79); one side of the annular sliding seat (710) is fixedly connected with the grounding wire (9), and the annular sliding seat (710), the cover shell (71) and the annular sliding strip (79) are all members made of conductive metal materials.

8. The rural area lightning protection automatic early warning device according to claim 1, characterized in that: the lock rod (76) is a component made of insulating materials; the edge position of the lower surface of the cover shell (71) is fixedly connected with a skirt (78) for preventing rainwater from changing the lock rod (76) into a conductor.

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