Vehicle-mounted positioning device based on Beidou positioning

Abstract

The invention discloses a vehicle-mounted positioning device based on Beidou positioning, and relates to the field of positioning devices.The vehicle-mounted positioning device comprises a Beidou positioning device, an end base is installed at the end of the Beidou positioning device, a wire coil is fixedly arranged at the end of the end base, a wire is fixedly inserted into the wire coil, and a vehicle-mounted positioning mechanism is installed at the bottom of the Beidou positioning device; the bottom of the vehicle-mounted positioning mechanism is arranged on an automobile, a locking piece is arranged at the end of the Beidou positioner, and a locking plate is installed on one side of the locking piece. According to the vehicle-mounted positioning device based on Beidou positioning, a buckle at the end part of a lead of a Beidou positioner does not need to be separated from a clamping seat on an ACC power line of an automobile, and the Beidou positioner can be simply and quickly disassembled during actual operation; the lock hole is separated from the locking plate only by shifting the two groups of bending plates on the Beidou locator, so that the separation operation of the buckle and the clamping seat at the end part of the wire is avoided, and the technical difficulty and the operation difficulty of disassembly are reduced.

Description

Technical Field

[0001] The present invention relates to the field of positioning devices, and particularly to a vehicle-mounted positioning device based on Beidou positioning. Background Technique

[0002] With the popularization of vehicles, vehicle-mounted GPS positioning systems are installed on vehicles. With the development of technology, vehicle-mounted positioning systems based on Beidou positioning are also widely used. However, since the current vehicle-mounted positioning devices based on Beidou positioning are generally adsorbed on the vehicle body through magnets or suction cups, due to the large vibration during vehicle operation, it is easy for the vehicle-mounted positioning devices based on Beidou positioning to fall off. However, when using the bolt fixation method, due to the small space at the installation part of the vehicle-mounted positioning device based on Beidou positioning, it is not easy for the staff to disassemble and assemble.

[0003] To solve the above problems, after retrieval, a Chinese patent with the publication number CN215986511U discloses a vehicle-mounted positioning device based on Beidou positioning. The device includes an installation sleeve, a housing, a power supply, a main board, a Beidou positioning module, a signal sending module, and a controller. The power supply and the main board are both installed inside the housing. The Beidou positioning module, the signal sending module, and the controller are all installed on the surface of the main board. The housing is located inside the installation sleeve. A fixing rod is fixedly provided on the front side wall of the housing. A strip-shaped opening for the fixing rod to extend into is opened on the front side wall of the installation sleeve. A limiting mechanism for clamping with the installation sleeve is provided on the rod wall of the fixing rod.

[0004] Although the above device can facilitate the removal of the housing from the inside of the installation sleeve, in actual use, the Beidou vehicle-mounted locator is fixed on the card seat of the ACC power line of the vehicle through a wire clip on the ACC line. The wire clip and the card seat are generally fixed by clamping, and are installed in a relatively narrow and hidden corner. The narrow space limits the operating space of the installer, making it difficult to use tools and perform hand movements, increasing the installation difficulty and time, and may also lead to improper installation, affecting the performance of the locator. In the later stage, if there are problems with the locator or the circuit, due to the hidden installation position and small space, it is difficult for the maintenance personnel to find, disassemble the locator and related circuits, increasing the maintenance cost and time, and may even be unable to be repaired due to being difficult to reach, and it is necessary to remove the surrounding components, causing additional damage to the vehicle. Summary of the Invention

[0005] The purpose of the present invention is to provide a vehicle-mounted positioning device based on Beidou positioning to solve the defects mentioned in the above background technique.

[0006] To achieve the above object, a vehicle positioning device based on Beidou positioning is provided, including a Beidou locator. A terminal seat is installed at the end of the Beidou locator. A wire reel is fixedly arranged at the end of the terminal seat. A wire is fixedly inserted inside the wire reel. A vehicle positioning mechanism is installed at the bottom of the Beidou locator. The bottom of the vehicle positioning mechanism is arranged on an automobile. A locking piece is arranged at the end of the Beidou locator. A locking plate is installed on one side of the locking piece. A bending piece is fixedly installed at one end of the locking plate. A fixing piece is fixedly installed at the end of the locking plate away from the bending piece. Two groups of perforations are formed on the fixing piece. The fixing piece is screwed and fixed on the side wall of the terminal seat.

[0007] Further, the Beidou locator includes a positioning seat, conductive columns and splicing plates. The positioning seat is fixedly connected to the end face of the Beidou locator. Multiple groups of conductive columns are arranged on the positioning seat. A conductive cylinder is arranged on the front of the conductive column; Splicing plates are fixedly arranged on both the upper and lower sides of the end face of the positioning seat.

[0008] Further, the terminal seat includes an insulating seat, a conductive cylinder, a splicing groove and a wire reel. The insulating seat is fixedly arranged inside the terminal seat. Multiple groups of wires are evenly inserted inside the wire reel on the front of the insulating seat. The wires are electrically connected to the conductive cylinder. The conductive cylinder is a circular tube made of metal.

[0009] Further, multiple groups of conductive cylinders are arranged opposite to multiple groups of conductive columns. The conductive columns are installed with interference fit with the conductive cylinders. The conductive columns are inserted inside the conductive cylinders. The wire clip at the end of the wire reel is fixed on the card seat on the ACC power line of the automobile.

[0010] Further, a splicing groove is arranged at the front of the splicing plate. The size of the splicing groove is adapted to that of the splicing plate. The two splicing plates are respectively inserted inside the two splicing grooves; The length of the splicing groove is equal to the length of the splicing plate. The cross sections of the splicing groove and the splicing plate are both in the shape of a swallowtail.

[0011] Further, the Beidou locator and the terminal seat are doubly docked through the splicing groove, the splicing plate and two groups of buckle components. The buckle components include a locking piece, a bending piece, a locking plate, a locking hole and a fixing piece; Two groups of locking pieces are respectively fixedly connected to both sides of the end of the Beidou locator. Two groups of fixing pieces are respectively fixedly connected to both sides of the terminal seat.

[0012] Further, the fixing piece is screwed and fixed on the side wall of the terminal seat. A locking plate is fixedly connected to the end of the fixing piece. A locking hole is formed on the locking plate. A bending piece is fixedly connected to the end of the locking plate away from the fixing piece. The bending piece and the locking plate are in a "V" shape. The included angle between the bending piece and the locking plate is 160 degrees.

[0013] Further, the sizes of the locking piece and the locking hole are adapted to each other. The locking hole and the locking piece are both circular. The locking plate covers both sides of the Beidou locator and is positioned and clamped through the locking hole and the locking piece.

[0014] Furthermore, the vehicle-mounted positioning mechanism includes a vehicle-mounted seat, a vehicle-mounted plate, a docking seat, a accommodating rail, a locking space, a mounting plate and a locking block; the mounting plate is fixedly connected to the bottom of the Beidou locator, and three groups of locking blocks are evenly installed on the bottom of the mounting plate; a vehicle-mounted seat is arranged at the bottom of the mounting plate, the vehicle-mounted seat is arranged in a circular shape, and three groups of vehicle-mounted plates are evenly and fixedly arranged on the circumferential outer wall of the vehicle-mounted seat.

[0015] Furthermore, screw holes are provided inside the three groups of vehicle-mounted plates, a docking seat is fixedly installed on the surface of the vehicle-mounted seat, and three groups of accommodating rails and locking spaces are provided on the surface of the docking seat; the cross-section of the accommodating rails is rectangular, the cross-section of the locking space is dovetail-shaped, the cross-section of the locking block is dovetail-shaped, the locking block is inserted into the interior of the accommodating rails and rotatably inserted into the interior of the locking space, and the mounting plate and the docking seat are positioned and assembled through the three groups of locking blocks and locking spaces.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention pulls the end seat outward to overcome the friction between the splicing plate and the splicing groove, and then the conductive column can be separated from the inside of the conductive cylinder. There is no need to separate the buckle of the wire end of the Beidou locator from the socket on the ACC power line of the car. When performing actual operation, the Beidou locator can be disassembled simply and quickly; only the two sets of bending pieces on the Beidou locator need to be turned to separate the lock hole from the lock piece, avoiding the separation operation of the wire end buckle and the socket, reducing the technical difficulty and operation difficulty of disassembly, and it is easier for ordinary users to get started, and even without professional knowledge, the disassembly can be completed relatively easily; even in a hidden installation position with a small space, it can be operated with one hand, reducing maintenance costs and time, without removing surrounding components, and will not cause additional damage to the vehicle;

[0018] 2. According to the present invention, as the depth of the splicing plate inserted into the splicing groove deepens, the bending sheet impacts the locking sheet, the locking sheet is deformed and tilted upward, and then the locking hole is connected to the inside of the locking sheet to complete the locking work between the Beidou locator and the end seat; no additional operation steps are required to achieve locking, the whole process is natural and smooth, and the assembly efficiency is improved; the locking hole and the locking sheet are connected to complete the locking, which can effectively prevent the Beidou locator and the end seat from being accidentally separated, and ensure the stability of the connection between the two, thereby ensuring that the device will not be loosened due to vibration, shaking, etc. during use, affecting the normal operation of the device;

[0019] 3. The present invention fixes the Beidou locator inside the vehicle through a vehicle-mounted positioning mechanism and uses a rotational snap connection method for fixation to prevent the Beidou locator from shaking during operation. The rotational snap connection method is relatively simple to operate. One only needs to align the Beidou locator with the corresponding position of the vehicle-mounted positioning mechanism and complete the fixation by rotation, without the need to use complex tools or perform cumbersome installation steps, saving installation time and labor costs. It can provide a relatively reliable connection, effectively preventing the Beidou locator from shaking or shifting due to vibrations, bumps, etc. during vehicle driving. The rotational snap connection structure can enable the locator to closely cooperate with the vehicle-mounted positioning mechanism, ensuring a stable fixation state under various road conditions, thus guaranteeing the normal operation of the locator. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a front view schematic diagram of the structure of the present invention;

[0021] Figure 2 is a bottom view of the structure of the present invention;

[0022] Figure 3 is a top view of the structure of the present invention;

[0023] Figure 4 is a side view of the structure of the present invention;

[0024] Figure 5 is an axonometric view of the structure of the present invention;

[0025] Figure 6 is a schematic diagram of the vehicle-mounted seat and its connection structure of the structure of the present invention;

[0026] Figure 7 is the structure of the present invention Figure 6 rear view;

[0027] Figure 8 is the structure of the present invention Figure 6 cross-sectional view.

[0028] [Reference Signs]

[0029] 1. Beidou locator; 11. positioning seat; 12. conductive column; 13. splicing plate; 2. end seat; 21. insulating seat; 22. conductive cylinder; 23. splicing groove; 24. wire reel; 3. buckle assembly; 31. lock piece; 32. bending piece; 33. lock plate; 34. lock hole; 35. fixing piece; 4. wire; 5. vehicle-mounted positioning mechanism; 51. vehicle-mounted seat; 52. vehicle-mounted piece; 53. docking seat; 531. receiving track; 532. locking space; 54. mounting piece; 55. locking block. DETAILED DESCRIPTION OF THE INVENTION

[0030] DETAILED DESCRIPTION OF THE INVENTION I: Please refer to Figures 1-8, the present invention provides a technical solution: a vehicle positioning device based on Beidou positioning, which includes a Beidou locator 1. An end seat 2 is installed at the end of the Beidou locator 1. A wire reel 24 is fixedly arranged at the end of the end seat 2. A wire 4 is fixedly inserted inside the wire reel 24. A vehicle positioning mechanism 5 is installed at the bottom of the Beidou locator 1. The bottom of the vehicle positioning mechanism 5 is arranged on the vehicle. A locking piece 31 is arranged at the end of the Beidou locator 1. A locking plate 33 is installed on one side of the locking piece 31. A bent piece 32 is fixedly installed at one end of the locking plate 33. A fixing piece 35 is fixedly installed at the end of the locking plate 33 away from the bent piece 32. Two groups of through holes are provided on the fixing piece 35. The fixing piece 35 is screwed and fixed on the side wall of the end seat 2.

[0031] Working principle: When it is necessary to disassemble and repair the Beidou locator 1 or perform other operations, hold the Beidou locator 1 at this time, and dial the two groups of bent pieces 32 on the Beidou locator 1 outward, so that the lock holes 34 are disengaged from the outside of the locking piece 31. At the same time, pull the end seat 2 outward. After overcoming the friction between the splicing plate 13 and the splicing groove 23, the conductive column 12 can be disengaged from the inside of the conductive cylinder 22. There is no need to disengage the buckle at the end of the wire 4 of the Beidou locator 1 from the card seat on the ACC power line of the vehicle. During actual operation, the Beidou locator 1 can be disassembled simply and quickly; just dial the two groups of bent pieces 32 on the Beidou locator 1 to disengage the lock holes 34 from the locking piece 31, and at the same time pull the end seat 2 outward to overcome the friction between the splicing plate 13 and the splicing groove 23, and the conductive column can be disengaged from the inside of the conductive cylinder without complicated operation steps; during the disassembly process, there is no need to disengage the buckle at the end of the wire of the Beidou locator 1 from the card seat on the ACC power line of the vehicle, reducing the disassembly steps, saving time, and being able to quickly complete the disassembly of the Beidou locator 1; avoiding the operation of separating the buckle at the end of the wire from the card seat, reducing the technical difficulty and operation difficulty of disassembly, and being easier for ordinary users to start. Even without professional knowledge, they can complete the disassembly more easily; even in a position with a hidden installation position and a narrow space, it can be operated with one hand, reducing the maintenance cost and time, without removing the surrounding components, and not causing additional damage to the vehicle;

[0032] When installing the Beidou locator 1, first align the splicing plate 13 with the splicing groove 23 and plug it into the inside of the splicing groove 23. At this time, the setting of the two groups of splicing plates 13 and the splicing groove 23 can preliminarily locate the docking position of the conductive column 12 and the conductive tube 22 between the Beidou locator 1 and the end seat 2. As the depth of the splicing plate 13 inserted into the splicing groove 23 deepens, multiple groups of conductive columns 12 and conductive tubes 22 can be quickly docked and plugged in; the docking position of the conductive column 12 and the conductive tube 22 between the Beidou locator 1 and the end seat 2 can be preliminarily located, and it can be installed. More accurately find the right position, reduce the exploration and adjustment of the position during the installation process, and reduce the difficulty of installation; as the insertion depth of the splicing plate 13 into the splicing groove 23 increases, it can prompt multiple sets of conductive columns 12 and conductive tubes 22 to quickly complete the docking and insertion work; make the installation process smoother, save the time required for docking, and improve the overall installation efficiency; the coordination of the splicing plate 13 and the splicing groove 23 increases the stability of the connection between the Beidou locator 1 and the end seat 2 to a certain extent, ensures that the relative position of the conductive column 12 and the conductive tube 22 is fixed after docking, and reduces the poor contact that may be caused by unstable connection or looseness, etc., to ensure the normal operation of the equipment; simplify the docking process of the conductive column 12 and the conductive cylinder 22, no complicated operation or additional auxiliary tools are required to ensure accurate docking, making the installation work easier and more user-friendly for non-professionals, and reducing the requirements on the skill level of the installer; at the same time, as the depth of the splicing plate 13 inserted into the splicing groove 23 deepens, the bending piece 32 impacts the locking piece 31, the locking piece 31 is deformed and tilted upward, and then the locking hole 34 is clamped in the inside of the locking piece 31, completing the locking work between the Beidou locator 1 and the end seat 2; no need The locking process is smooth and natural without additional operation steps, which improves assembly efficiency. The locking hole 34 and the locking piece 31 are locked together to effectively prevent the Beidou positioner 1 and the end seat 2 from being accidentally separated, ensuring the stability of the connection between the two, thereby ensuring that the device will not be loosened due to vibration, shaking, etc. during use, affecting normal operation. The locking function is achieved through the simple structure of the bending piece 32, the locking hole 34 and the locking piece 31, without complex mechanical devices or electronic components, reducing design and manufacturing costs, while also improving the reliability of the system and reducing failure points that may be caused by complex structures.

[0033] Before docking the Beidou locator 1 and the end seat 2, it is first necessary to fix the Beidou locator 1 inside the car through the vehicle-mounted positioning mechanism 5. The specific method is to fix it by rotating and clamping to prevent the Beidou locator 1 from shaking when working; the rotating and clamping method is relatively simple to operate, and only needs to align the Beidou locator 1 with the corresponding position of the vehicle-mounted positioning mechanism 5, and fix it by rotating. There is no need to use complex tools or perform cumbersome installation steps, saving installation time and labor costs; it can provide a more reliable connection and effectively prevent the Beidou locator 1 from shaking or shifting due to vibration, bumps and the like during driving of the car; the rotating and clamping structure can make the locator cooperate closely with the vehicle-mounted positioning mechanism to ensure that it can maintain a stable fixed state under various road conditions, thereby ensuring the normal operation of the locator; if the position or angle of the Beidou locator 1 needs to be adjusted after installation, the rotating and clamping method is also more convenient Convenient; only need to slightly rotate the locator, you can easily achieve fine adjustment of the position or angle to meet different installation requirements and vehicle interior layout; rotational clamping usually does not cause damage to the interior of the car, compared with some fixing methods such as drilling and pasting, it is more environmentally friendly and safe; it will not damage the interior or body structure of the car, and it is also convenient for non-destructive disassembly when the locator needs to be removed, and will not leave obvious installation traces; the specific method of rotational clamping is: hold the Beidou locator 1, insert the three groups of locking blocks 55 at the bottom of the Beidou locator 1 into the inside of the accommodating track 531 and rotate and insert them into the inside of the locking space 532, the installation piece 54 and the docking seat 53 are positioned and assembled through the three groups of locking blocks 55 and the locking space 532, and the Beidou locator 1 is quickly positioned and installed inside the car. There is friction between the three groups of locking blocks 55 and the locking space 532, which can improve the stability of the Beidou locator 1 when it is working.

[0034] Specific implementation method two: This implementation method is a further limitation of specific implementation method one. The Beidou locator 1 includes a positioning seat 11, a conductive column 12 and a splicing plate 13. The positioning seat 11 is fixedly connected to the end face of the Beidou locator 1. Multiple groups of conductive columns 12 are arranged on the positioning seat 11. A conductive tube 22 is arranged on the front of the conductive column 12. The splicing plates 13 are fixedly arranged on the upper and lower sides of the end face of the positioning seat 11.

[0035] Specific implementation method three: This implementation method is a further limitation of specific implementation method one. The end seat 2 includes an insulating seat 21, a conductive tube 22, a splicing groove 23 and a wire drum 24. The insulating seat 21 is fixedly arranged inside the end seat 2. A plurality of groups of wires 4 are evenly inserted inside the wire drum 24 on the front side of the insulating seat 21. The wires 4 are electrically connected to the conductive tube 22. The conductive tube 22 is a circular tube made of metal material.

[0036] Embodiment 4: This embodiment is a further limitation of Embodiment 2. A plurality of conductive cylinders 22 are arranged opposite to a plurality of conductive columns 12. The conductive columns 12 are installed in an interference fit with the conductive cylinders 22. The conductive columns 12 are inserted into the inside of the conductive cylinders 22. The wire clips at the end of the wire reel 24 are fixed on the card seats on the ACC power line of the vehicle.

[0037] Embodiment 5: This embodiment is a further limitation of Embodiment 2. A splicing groove 23 is provided at the front part of the splicing plate 13. The size of the splicing groove 23 is adapted to that of the splicing plate 13. Two groups of splicing plates 13 are respectively inserted into the inside of two groups of splicing grooves 23; the length of the splicing groove 23 is equal to the length of the splicing plate 13. The cross-sections of the splicing groove 23 and the splicing plate 13 are both arranged in a dovetail shape.

[0038] Embodiment 6: This embodiment is a further limitation of Embodiment 1. A double docking is carried out between the Beidou locator 1 and the end seat 2 through the splicing groove 23, the splicing plate 13 and two groups of buckle components 3. The buckle component 3 includes a lock piece 31, a bending piece 32, a lock plate 33, a lock hole 34 and a fixing piece 35; two groups of lock pieces 31 are respectively fixedly connected to both sides of the end of the Beidou locator 1, and two groups of fixing pieces 35 are respectively fixedly connected to both sides of the end seat 2.

[0039] Embodiment 7: This embodiment is a further limitation of Embodiment 6. The fixing piece 35 is screwed and fixed on the side wall of the end seat 2. A lock plate 33 is fixedly connected to the end of the fixing piece 35. A lock hole 34 is provided on the lock plate 33. A bending piece 32 is fixedly connected to the end of the lock plate 33 away from the fixing piece 35. A "V" shape is formed between the bending piece 32 and the lock plate 33, and the included angle between the bending piece 32 and the lock plate 33 is 160 degrees.

[0040] Embodiment 8: This embodiment is a further limitation of Embodiment 6. The sizes of the lock piece 31 and the lock hole 34 are adapted to each other. Both the lock hole 34 and the lock piece 31 are circularly arranged. The lock plate 33 covers both sides of the Beidou locator 1 and is positioned and clamped through the lock hole 34 and the lock piece 31.

[0041] Embodiment 9: This embodiment is a further limitation of Embodiment 1. The vehicle-mounted positioning mechanism 5 includes a vehicle-mounted seat 51, a vehicle-mounted piece 52, a docking seat 53, a receiving track 531, a locking space 532, a mounting piece 54 and a locking block 55; the mounting piece 54 is fixedly connected to the bottom of the Beidou locator 1, and three locking blocks 55 are evenly installed at the bottom of the mounting piece 54; a vehicle-mounted seat 51 is arranged at the bottom of the mounting piece 54. The vehicle-mounted seat 51 is circularly arranged, and three vehicle-mounted pieces 52 are evenly and fixedly arranged on the circumferential outer side wall of the vehicle-mounted seat 51.

[0042] Specific Embodiment Ten: This embodiment is a further limitation of Specific Embodiment Nine. Threaded holes are provided inside each of the three groups of vehicle-mounted pieces 52. A docking seat 53 is fixedly installed on the surface of the vehicle-mounted seat 51. Three groups of receiving tracks 531 and locking spaces 532 are respectively provided on the surface of the docking seat 53. The cross-section of the receiving track 531 is rectangular, the cross-section of the locking space 532 is dovetail-shaped, and the cross-section of the locking block 55 is dovetail-shaped. The locking block 55 is inserted into the inside of the receiving track 531 and rotatably inserted into the inside of the locking space 532. The mounting piece 54 and the docking seat 53 are positioned and assembled through the three groups of locking blocks 55 and the locking spaces 532.

Claims

1. A vehicle positioning device based on Beidou positioning, comprising a Beidou positioner (1), characterized in that: One end of the Beidou locator (1) is provided with an end seat (2). A wire reel (24) is fixedly arranged at the end of the end seat (2). A wire (4) is fixedly inserted inside the wire reel (24). A vehicle-mounted positioning mechanism (5) is installed at the bottom of the Beidou locator (1). The bottom of the vehicle-mounted positioning mechanism (5) is arranged on an automobile. A lock piece (31) is arranged at the end of the Beidou locator (1). A lock plate (33) is installed on one side of the lock piece (31). A bent piece (32) is fixedly installed at one end of the lock plate (33). A fixing piece (35) is fixedly installed at the end of the lock plate (33) away from the bent piece (32). Two groups of perforations are formed in the fixing piece (35). The fixing piece (35) is screwed and fixed on the side wall of the end seat (2).

2. The vehicle-mounted positioning device based on Beidou positioning according to claim 1, characterized in that: The Beidou locator (1) includes a positioning seat (11), a conductive column (12) and a splicing plate (13). The positioning seat (11) is fixedly connected to the end face of the Beidou locator (1). A plurality of groups of conductive columns (12) are arranged on the positioning seat (11). A conductive cylinder (22) is arranged on the front surface of the conductive column (12). Splicing plates (13) are fixedly arranged on both the upper and lower sides of the end face of the positioning seat (11).

3. The vehicle-mounted positioning device based on Beidou positioning according to claim 1, wherein: The end seat (2) includes an insulating seat (21), a conductive cylinder (22), a splicing groove (23) and a wire reel (24). The insulating seat (21) is fixedly arranged inside the end seat (2). A plurality of groups of wires (4) are evenly inserted inside the wire reel (24) on the front surface of the insulating seat (21). The wires (4) are electrically connected to the conductive cylinder (22). The conductive cylinder (22) is arranged in a circular tube shape made of a metal material.

4. A vehicle positioning device based on Beidou positioning according to any one of claims 2 or 3, characterized in that: A plurality of groups of conductive cylinders (22) are arranged opposite to a plurality of groups of conductive columns (12). The conductive column (12) and the conductive cylinder (22) are installed in an interference fit. The conductive column (12) is inserted inside the conductive cylinder (22). The wire clamp at the end of the wire reel (24) is fixed on the card seat on the ACC power line of the automobile.

5. The vehicle-mounted positioning device based on Beidou positioning according to claim 2, characterized in that: A splicing groove (23) is arranged at the front part of the splicing plate (13). The sizes of the splicing groove (23) and the splicing plate (13) are adapted to each other. The two groups of splicing plates (13) are respectively inserted inside the two groups of splicing grooves (23). The length of the splicing groove (23) is equal to the length of the splicing plate (13). The cross sections of the splicing groove (23) and the splicing plate (13) are both arranged in a dovetail shape.

6. The vehicle-mounted positioning device based on Beidou positioning according to claim 1, wherein: The Beidou locator (1) and the end seat (2) are double-docked through the splicing groove (23), the splicing plate (13) and two groups of buckle components (3). The buckle component (3) includes a lock piece (31), a bent piece (32), a lock plate (33), a lock hole (34) and a fixing piece (35). Two groups of lock pieces (31) are respectively fixedly connected to both sides of the end of the Beidou locator (1). Two groups of fixing pieces (35) are respectively fixedly connected to both sides of the end seat (2).

7. The vehicle-mounted positioning device based on Beidou positioning according to claim 6, characterized in that: The fixing piece (35) is fixed to the side wall of the end seat (2) by screwing. A locking plate (33) is fixedly connected to the end of the fixing piece (35). A locking hole (34) is formed in the locking plate (33). A bending piece (32) is fixedly connected to the end of the locking plate (33) away from the fixing piece (35). A "V" shape is arranged between the bending piece (32) and the locking plate (33), and the included angle between the bending piece (32) and the locking plate (33) is 160 degrees.

8. An in-vehicle positioning device based on Beidou positioning according to any one of claims 6 or 7, characterized in that: The sizes of the locking piece (31) and the locking hole (34) are adapted to each other. Both the locking hole (34) and the locking piece (31) are circularly arranged. The locking plate (33) covers both sides of the Beidou locator (1) and is positioned and clamped through the locking hole (34) and the locking piece (31).

9. The vehicle-mounted positioning device based on Beidou positioning according to claim 1, wherein: The vehicle-mounted positioning mechanism (5) includes a vehicle-mounted seat (51), a vehicle-mounted piece (52), a docking seat (53), a receiving track (531), a locking space (532), a mounting piece (54) and a locking block (55); the mounting piece (54) is fixedly connected to the bottom of the Beidou locator (1), and three groups of locking blocks (55) are evenly installed at the bottom of the mounting piece (54); a vehicle-mounted seat (51) is arranged at the bottom of the mounting piece (54), the vehicle-mounted seat (51) is circularly arranged, and three groups of vehicle-mounted pieces (52) are evenly and fixedly arranged on the circumferential outer side wall of the vehicle-mounted seat (51).

10. The vehicle-mounted positioning device based on Beidou positioning according to claim 9, characterized in that: Screwing holes are formed inside the three groups of vehicle-mounted pieces (52). A docking seat (53) is fixedly installed on the surface of the vehicle-mounted seat (51). Three groups of receiving tracks (531) and locking spaces (532) are respectively formed on the surface of the docking seat (53); the cross section of the receiving track (531) is rectangularly arranged, the cross section of the locking space (532) is dovetail-shaped, the cross section of the locking block (55) is dovetail-shaped, the locking block (55) is inserted into the inside of the receiving track (531) and rotatably inserted into the inside of the locking space (532), and the mounting piece (54) and the docking seat (53) are positioned and assembled through the three groups of locking blocks (55) and the locking space (532).

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