A car burglar alarm control box

Abstract

The utility model relates to a car burglar alarm control box, and the utility model wants to solve the technical problem to provide a car burglar alarm control box, the utility model adopts the technical scheme: including control box base, control box cover, control circuit board, pre -tight spring and the receiving pad, being equipped with the base inner chamber in the control box base, the base inner chamber middle part forms the base to lift the boss, is equipped with the circuit board support column at the four corners of base to lift the boss, and the circuit board support column is the square structure, is equipped with the support column square hole in it, and the circuit board support column inner end is equipped with the support column gap that communicates with support column square hole. The utility model has the advantages that: the circuit board support column cooperates with support column square hole and support column gap, has good anti -rotation, anti -slip ability, makes the circuit board positioning accurate, and pre -tight spring and receiving pad structure make the burglar alarm control box when being impacted or vibrating, and the control circuit board installed in its inside is buffered and not easy to be damaged.

Description

Technical Field

[0001] This utility model relates to a car anti-theft device control box. Background Technology

[0002] The car alarm control box is a key component of the overall vehicle anti-theft system. Its main function is to house and protect the anti-theft control circuit board, and it connects to the vehicle's power supply, alarm system, and other circuit interfaces through a casing. Working with sensor modules, it responds to unauthorized starting, unauthorized door opening, and other actions, enhancing vehicle security. The control box typically houses the control circuit board, power interface, and other components, encapsulated by a base and cover. Currently, most existing car alarm control boxes use rigid plastic shells with screws or clips to mount the circuit board, which is positioned and supported by the inner wall of the shell or pillars. However, in practical use, the following technical problems still require improvement: Insufficient shock resistance, and easy damage to the circuit board: Because cars continuously experience road vibrations or impacts during driving, traditional anti-theft control boxes often lack effective buffer structures, causing the internal circuit board to shake or be impacted vertically or horizontally. This can easily lead to poor soldering, loose components, or even circuit board cracking, thus affecting the stable operation of the entire anti-theft system. Utility Model Content

[0003] To solve the above problems, the technical problem to be solved by this utility model is to provide a car anti-theft device control box.

[0004] The technical solution adopted by this utility model of a car anti-theft device control box is characterized by comprising a control box base, a control box cover, a control circuit board, a preload spring, and a receiving pad. The control box base has an inner cavity, with a raised platform formed in the center. Circuit board support columns are located at the four corners of the raised platform. Each circuit board support column has a square structure with square holes. The inner end of each circuit board support column has a notch communicating with the square holes. Control box interfaces are located at the left and right ends of the control box base. The receiving pad includes a receiving pad mounting block and a receiving pad support portion extending from the upper end of the mounting block. The receiving pad mounting block is placed within the square holes of the support columns, and the receiving pad support portion fits snugly against the... On the support column notch, the four corners of the control circuit board are placed within the support column notch and the control circuit board is supported by the receiving pad support. The control box cover includes a cover body and a cover outer edge. The left and right ends of the cover outer edge are provided with cover inserts that are connected to the control box interface. A control box wiring hole is formed between the cover insert and the control box interface for wiring. A spring positioning post is provided on the back of the cover body. A spring positioning groove is provided in the spring positioning post. The height of the preload spring is greater than the height of the spring positioning post. The preload spring is placed in the spring positioning groove, with one end abutting against the back of the cover body and the other end abutting against the back of the control circuit board.

[0005] The upper end of the inner wall of the base cavity is provided with an inner base baffle, a base recessed groove and an outer base rim from the inside to the outside. The outer base rim is higher than the inner base baffle, the base recessed groove is lower than the inner base baffle, and the outer edge of the cover plate is placed in the base recessed groove.

[0006] The receiving pad is integrally injection molded and is made of rubber.

[0007] The number of preload springs and spring positioning posts is four, and the four spring positioning posts form a square structure.

[0008] The base is provided with reinforcing ribs at intervals between the bottom of the inner cavity and the inner wall.

[0009] The advantages of this car anti-theft device control box are as follows: the circuit board support column, in conjunction with the square hole and notch of the support column, has good anti-rotation and anti-slip capabilities, making the circuit board positioning accurate. The pre-tension spring and bearing pad structure buffer the control circuit board installed inside the anti-theft device control box when it is subjected to impact or vibration, making it less prone to damage and improving the service life of the anti-theft device control box. Attached Figure Description

[0010] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0011] Figure 1 This is a schematic diagram of the structure of the car anti-theft device control box of this utility model; Figure 2 This is an exploded view of the car anti-theft device control box of this utility model; Figure 3 This is a schematic diagram of the structure of the control box base of this utility model; Figure 4 yes Figure 3 Enlarged image; Figure 5 This is a schematic diagram of the structure of the bearing pad of this utility model; Figure 6 This is a structural schematic diagram of the control box cover of this utility model. Detailed Implementation

[0012] like Figure 1-6As shown, the car anti-theft device control box of this utility model includes a control box base 1, a control box cover 2, a control circuit board 3, a preload spring 4, and a receiving pad 5. The control box base 1 has a base cavity 8, and a base raising boss 9 is formed in the middle of the base cavity 8. Circuit board support columns 14 are provided at the four corners of the base raising boss 9. The circuit board support columns 14 have a square structure and have square support column holes 15 inside. The inner end of the circuit board support column 14 has a support column notch 16 communicating with the square support column hole 15. The left and right ends of the control box base 1 have control box interface 13. The receiving pad 5 includes a receiving pad mounting block 17 and a receiving pad support part 18 provided on the upper end of the receiving pad mounting block 17 and extending outward. The receiving pad mounting block 17 is placed in the square hole 15 of the support column, and the receiving pad support part 18 is provided in the square hole 15 of the support column. 18 is attached to the support column notch 16. The four corners of the control circuit board 3 are placed inside the support column notch 16, and the control circuit board 3 is supported by the receiving pad support 18. The control box cover 2 includes a cover body 20 and a cover outer edge 21. The left and right ends of the cover outer edge 21 are provided with cover inserts 25 that are opposite to the control box interface 13. A control box wiring hole 26 for wiring is formed between the cover inserts 25 and the control box interface 13. A spring positioning post 22 is provided on the back of the cover body 20. A spring positioning groove 23 is provided in the spring positioning post 22. The height of the preload spring 4 is greater than the height of the spring positioning post 22. The preload spring 4 is placed in the spring positioning groove 23, with one end abutting against the back of the cover body 20 and the other end abutting against the back of the control circuit board 3. The circuit board support column 14, in conjunction with the support column square hole 15 and support column notch 16, has good anti-rotation and anti-slip capabilities, making the circuit board positioning accurate and improving the overall structural reliability; the preload spring 4 can apply a continuous vertical elastic clamping force to the control circuit board 3, so that the circuit board can also maintain stability in the vertical direction. The preload spring 4 provides elastic buffer space, so that when vibration or impact occurs during vehicle operation, the control circuit board 3 will not directly bear the impact force, thereby preventing solder joint cracking or board breakage and extending the service life of the control system; the bearing pad 5 provides support for the circuit board.

[0013] The upper end of the inner wall of the inner cavity 8 of the base is provided with an inner base retaining edge 10, a base recessed groove 11 and an outer base edging edge 12 from the inside to the outside. The outer base edging edge 12 is higher than the inner base retaining edge 10, and the base recessed groove 11 is lower than the inner base retaining edge 10. The outer edge 21 of the cover plate is placed in the base recessed groove 11, which can precisely limit the installation depth and position of the outer edge 21 of the cover plate, improve the overall sealing and assembly consistency of the anti-theft device control box, and prevent the cover plate from being misaligned or loose.

[0014] The receiving pad 5 is integrally injection molded and is made of rubber, which combines flexibility and shock absorption performance.

[0015] The number of the pre-tension spring 4 and the spring positioning post 22 is four. The four spring positioning posts 22 form a square structure, which can maintain a balanced elastic force.

[0016] The base cavity 8 is provided with base reinforcing ribs 28 at intervals between the bottom and the inner wall, which significantly enhances the pressure resistance and deformation resistance of the control box base without increasing the external size, ensuring long-term stable support in the vehicle environment.

[0017] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model are included within the protection scope of the present utility model.

Claims

1. A control box for a car alarm system, characterized in that: The control box includes a control box base (1), a control box cover (2), a control circuit board (3), a preload spring (4), and a support pad (5). The control box base (1) has a base cavity (8), and a base lifting boss (9) is formed in the middle of the base cavity (8). Circuit board support columns (14) are provided at the four corners of the base lifting boss (9). The circuit board support columns (14) are square structures with square holes (15) inside. The inner end of the circuit board support column (14) is provided with a support column notch (16) communicating with the square holes (15). The control box base (1) has control box interfaces (13) on the left and right ends. The support pad (5) includes a support pad mounting block (17) and a support pad support part (18) provided on the upper end of the support pad mounting block (17) and extending outward. The support pad mounting block (17) is placed in the square hole (15) of the support column, and the support pad support part (18) is attached to the support column. On the column notch (16), the four corners of the control circuit board (3) are placed in the support column notch (16) and the control circuit board (3) is supported by the support pad (18). The control box cover (2) includes a cover body (20) and a cover outer edge (21). The left and right ends of the cover outer edge (21) are provided with cover inserts (25) that are connected to the control box interface (13). A control box wiring hole (26) for wiring is formed between the cover insert (25) and the control box interface (13). A spring positioning post (22) is provided on the back of the cover body (20). A spring positioning groove (23) is provided in the spring positioning post (22). The height of the pre-tightening spring (4) is greater than the height of the spring positioning post (22). The pre-tightening spring (4) is placed in the spring positioning groove (23), with one end abutting the back of the cover body (20) and the other end abutting the back of the control circuit board (3).

2. The car alarm control box according to claim 1, characterized in that: The upper end of the inner wall of the inner cavity (8) of the base is provided with an inner base baffle (10), a base sink groove (11) and a base outer edge (12) from the inside to the outside. The base outer edge (12) is higher than the base inner baffle (10), and the base sink groove (11) is lower than the base inner baffle (10). The outer edge (21) of the cover plate is placed in the base sink groove (11).

3. The car alarm control box according to claim 1, wherein: The receiving pad (5) is integrally injection molded and is made of rubber.

4. The car alarm control box according to claim 1, wherein: The number of the preload spring (4) and the spring positioning post (22) is 4, and the four spring positioning posts (22) form a square structure.

5. The automobile burglar alarm control box according to claim 1, wherein: The base cavity (8) is provided with base reinforcing ribs (28) spaced apart between the bottom and the inner wall.

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