Line interface based on CAN communication

By introducing a cooling fan and dustproof plate design into the CAN communication line interface, the problems of excessive junction box temperature and dust ingress are solved, achieving both stability and convenience.

CN223957823UActive Publication Date: 2026-02-27SHANGHAI QIFURUI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520108273.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-02-27
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

The existing line interface experiences excessively high internal temperature in the junction box after prolonged use, leading to short circuits and inadequate heat dissipation.

Method used

A line interface based on CAN communication was designed, including a junction box, a dustproof top cover, a heat dissipation component, and a dustproof component. It is cooled by a cooling fan and protected against dust by a dustproof plate and a limit slide rail to prevent dust from entering.

Benefits of technology

Effective heat dissipation prevents short circuits, improving the stability of the device. The dustproof plate design allows for easy replacement, preventing dust from affecting its use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a line interface based on CAN communication, which relates to the technical field of CAN communication lines and comprises a junction box, a wire holder is arranged in the junction box, a hinge seat is arranged on one side of the top of the junction box, a dustproof top cover is arranged in the middle of the hinge seat, and a sealing gasket is arranged at the bottom of the dustproof top cover. A heat dissipation assembly is arranged in the middle of the dustproof top cover and comprises a mounting frame, a dustproof net is arranged at the bottom of the mounting frame, a heat dissipation fan is arranged above the dustproof net, a driving part is arranged above the heat dissipation fan, and a limiting ring and a mounting frame are arranged outside the driving part; and a dustproof assembly is arranged at the top of the mounting frame. According to the utility model, heat dissipation in the junction box is realized through the arranged heat dissipation assembly, and the arranged driving piece drives the heat dissipation fan to rotate, so that heat dissipation at relatively high temperature in the junction box is realized, and the influence on the use stability of the device caused by short circuit at the joint due to over-high temperature is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to CAN communication line technical field, especially line interface based on CAN communication. BACKGROUND

[0002] CAN is the abbreviation of controller area network, which is developed by the Bosch company of Germany famous for researching and producing automobile electronic products, and finally becomes international standard, and is one of the most widely used field buses in the world, in North America and Western Europe, CAN bus protocol has become the standard bus of automobile computer control system and embedded industrial control LAN, and has J1939 protocol specially designed for large trucks and heavy machinery vehicles based on CAN bottom protocol.

[0003] The existing line interface is high in temperature inside the junction box after long time use, and short circuit is prone to occur at the wiring position, which affects use, and the existing junction box is not ideal in heat dissipation effect inside when using, therefore a line interface based on CAN communication is required to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model mainly aims at providing line interface based on CAN communication, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the utility model adopts the technical scheme that:

[0006] Line interface based on CAN communication, including junction box, the inside of junction box is provided with wiring seat, and the top side of junction box is provided with hinged seat, the middle of hinged seat is provided with dustproof top cover, and the bottom of dustproof top cover is provided with sealing gasket, the middle of dustproof top cover is provided with heat dissipation assembly;

[0007] Heat dissipation assembly includes installation frame, the bottom of installation frame is provided with dust screen, and the top of dust screen is provided with heat dissipation fan, and the top of heat dissipation fan is provided with driving piece, the outside of driving piece is provided with limiting ring, and the outer wall of limiting ring is provided with mounting bracket, the top of installation frame is provided with dustproof assembly;

[0008] Dustproof assembly includes limiting frame, the inside wall of one side of limiting frame is provided with plug-in slot, and the middle of plug-in slot is provided with dustproof plate, one side of dustproof plate is provided with pull plate, and the middle of pull plate is provided with recess, the top of one side of limiting frame is provided with positioning bolt, the side of dustproof plate is provided with limiting slide rail.

[0009] Preferably, the mounting frame is connected to the dustproof top cover by bolts, and there are two mounting frames, which are symmetrically distributed on the middle two sides of the dustproof top cover. A dustproof net is installed at the bottom of the mounting frame by bolts, and the dustproof net is correspondingly set with the mounting frame. The dustproof net is located inside the junction box.

[0010] Preferably, a mounting bracket is bolted to the inner side wall of the mounting frame, and a limiting ring is fixedly connected to the middle of the mounting bracket. A driving component is threaded to the middle of the limiting ring, and a cooling fan is driven to the output end of the driving component. The cooling fan is located above the dustproof net.

[0011] Preferably, a limiting frame is bolted to the inner wall of the mounting frame near the top, and an insertion groove is provided on the inner side wall of the limiting frame, the insertion groove passing through both sides of the limiting frame, one end of the insertion groove passing through the side of the mounting frame, and a dustproof plate is slidably connected in the middle of the insertion groove.

[0012] Preferably, a pull plate is fixedly connected to the side of the dustproof plate, and the pull plate is located on the side of the mounting frame where the insertion slot is provided. The pull plate is located above the driving component. A groove is provided in the middle of the side of the pull plate away from the dustproof plate, and a positioning groove is provided on the top of the pull plate. The positioning groove is arranged adjacent to the groove, and there are two positioning grooves, which are symmetrically distributed on both sides of the pull plate.

[0013] Preferably, the top of the limiting frame near the pull plate is connected to a positioning bolt by a thread, and the bottom end of the positioning bolt penetrates the limiting frame and contacts the pull plate. The bottom end of the positioning bolt is inserted into the inside of the positioning groove, and the positioning bolt and the positioning groove are correspondingly arranged. A sliding groove is provided on the inner side wall of the limiting frame, and a limiting slide rail is slidably connected in the middle of the sliding groove. The limiting slide rail is fixedly connected to the side of the dustproof plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The heat dissipation components are designed to dissipate heat inside the junction box. The driving components drive the cooling fan to rotate, thereby dissipating the high temperature inside the junction box and preventing short circuits at the connection points due to excessive temperature, which would affect the stability of the device.

[0016] 2. The dustproof plate is slidably connected to the insertion slot in the limiting frame, thereby achieving dust protection for the junction box and the inside of the mounting frame, preventing dust from entering the inside of the junction box and affecting its use. The dustproof plate is also positioned and connected by positioning bolts, which facilitates the disassembly and replacement of the dustproof plate and improves the ease of use of the device. Attached Figure Description

[0017] Figure 1It is the first perspective view of the device as a whole of the utility model;

[0018] Figure 2 It is the second perspective view of the device as a whole of the utility model;

[0019] Figure 3 It is the structure diagram of the heat radiation assembly of the utility model;

[0020] Figure 4 It is the structure diagram of the dustproof assembly of the utility model.

[0021] In the figure: 1, junction box; 2, wiring seat; 3, dustproof top cover; 4, hinged seat; 5, sealing pad; 6, heat radiation assembly; 7, mounting frame; 8, dust screen; 9, mounting frame; 10, limit ring; 11, driving part; 12, heat radiation fan; 13, dustproof assembly; 14, limit frame; 15, plug-in slot; 16, dustproof plate; 17, pull plate; 18, recess; 19, positioning bolt; 20, positioning groove; 21, limit sliding rail; 22, sliding slot. Specific implementation

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation modes.

[0023] Please refer to Figure 1 、 Figure 2 、 Figure 3 As shown, the line interface based on CAN communication includes the junction box 1, the junction box 1 is internally provided with the wiring seat 2, and the top side of the junction box 1 is provided with the hinged seat 4, the middle of the hinged seat 4 is provided with the dustproof top cover 3, the bottom of the dustproof top cover 3 is provided with the sealing pad 5, and the middle of the dustproof top cover 3 is provided with the heat radiation assembly 6.

[0024] The heat dissipation assembly 6 comprises a mounting frame 7, the bottom of the mounting frame 7 is provided with a dust screen 8, the dust screen 8 is provided above with a heat dissipation fan 12, the heat dissipation fan 12 is provided above with a driving piece 11, the outer part of the driving piece 11 is provided with a limiting ring 10, the outer wall of the limiting ring 10 is provided with a mounting rack 9, the top of the mounting frame 7 is provided with a dustproof assembly 13, the mounting frame 7 is connected with the dustproof top cover 3 through bolts, and the mounting frame 7 has two, which are symmetrically distributed on the two sides of the middle of the dustproof top cover 3, the bottom of the mounting frame 7 is provided with the dust screen 8 through bolts, and the dust screen 8 is correspondingly arranged with the mounting frame 7, the dust screen 8 is located in the inside of the junction box 1, the inner wall of the side of the mounting frame 7 is provided with the mounting rack 9 through bolts, the mounting rack 9 is fixedly connected with the limiting ring 10 in the middle, the limiting ring 10 is threadedly connected with the driving piece 11 in the middle, the output end of the driving piece 11 is drivingly connected with the heat dissipation fan 12, and the heat dissipation fan 12 is located above the dust screen 8, the heat dissipation assembly 6 is arranged to realize heat dissipation in the inside of the junction box 1, the driving piece 11 is arranged to drive the heat dissipation fan 12 to rotate, so that heat dissipation of a higher temperature in the inside of the junction box 1 is realized, the temperature is prevented from being too high to cause short circuit at a connecting position, and the use stability of the device is affected;

[0025] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, the dustproof assembly 13 comprises a limiting frame 14, one side inner wall of the limiting frame 14 is provided with a plug-in slot 15, the middle of the plug-in slot 15 is provided with a dustproof plate 16, one side of the dustproof plate 16 is provided with a pull plate 17, the middle of the pull plate 17 is provided with a groove 18, one side top of the limiting frame 14 is provided with a positioning bolt 19, the side of the dustproof plate 16 is provided with a limiting slide rail 21, the inner wall close to the top of the mounting frame 7 is provided with the limiting frame 14 through bolts, the side inner wall of the limiting frame 14 is provided with the plug-in slot 15, the plug-in slot 15 penetrates through both sides of the limiting frame 14, one end of the plug-in slot 15 penetrates through the side of the mounting frame 7, the middle of the plug-in slot 15 is slidably connected with the dustproof plate 16, the side of the dustproof plate 16 is fixedly connected with the pull plate 17, the pull plate 17 is located at one side of the mounting frame 7 provided with the plug-in slot 15, the pull plate 17 is located above the driving part 11, the middle of the side of the pull plate 17 away from the dustproof plate 16 is provided with the groove 18, the top of the pull plate 17 is provided with a positioning groove 20, the positioning groove 20 is located adjacent to the groove 18, and the positioning groove 20 is two, which are symmetrically distributed on both sides of the pull plate 17, the top of one side of the limiting frame 14 close to the pull plate 17 is threadedly connected with the positioning bolt 19, the bottom end of the positioning bolt 19 penetrates through the limiting frame 14 and contacts the pull plate 17, the bottom end of the positioning bolt 19 is plugged into the inside of the positioning groove 20, and the positioning bolt 19 is correspondingly arranged with the positioning groove 20, the side inner wall of the limiting frame 14 is provided with a sliding groove 22, the middle of the sliding groove 22 is slidably connected with the limiting slide rail 21, the limiting slide rail 21 is fixedly connected to the side of the dustproof plate 16, the dustproof plate 16 is slidably connected in the plug-in slot 15 in the middle of the limiting frame 14, thereby realizing dustproof of the junction box 1 and the mounting frame 7, preventing dust from entering the inside of the junction box 1, affecting the use of the junction box 1, and the dustproof plate 16 is positioned and connected through the positioning bolt 19, thereby facilitating disassembly and replacement of the dustproof plate 16, and improving the use convenience of the device.

[0026] It needs to be explained that the utility model discloses a line interface based on CAN communication, when using, dustproof top cover 3 is connected with junction box 1 through hinged seat 4, thereby conveniently dustproof inside junction box 1, and the top of dustproof top cover 3 is equipped with mounting frame 7, driving element 11 is installed in the inside of mounting frame 7, driving element 11 drives heat dissipation fan 12 to rotate, thereby realizing the heat dissipation of higher temperature inside junction box 1, and the heat dissipation effect is improved through the setting of two groups of heat dissipation fan 12, prevent the temperature inside junction box 1 from being too high, influence the use of device, and the top of mounting frame 7 is equipped with limiting frame 14 and dustproof plate 16, dustproof plate 16 and pull plate 17 are slidably connected in the inside of plug-in slot 15 in the middle of limiting frame 14, make dustproof plate 16 realize the dustproof effect of dust, prevent dust from entering the inside of junction box 1, influence the use of device, and dustproof plate 16 is positioned in the inside of positioning slot 20 in the top of pull plate 17 through positioning bolt 19 and is connected in limiting frame 14, when disassembling, rotate positioning bolt 19, make positioning bolt 19 and positioning slot 20 separate, pull the recess 18 in the middle of pull plate 17, make pull plate 17 drive dustproof plate 16 and slide along plug-in slot 15, dustproof plate 16 and limiting frame 14 separate, complete disassembling, and the side of dustproof plate 16 is equipped with limiting slide rail 21, limiting slide rail 21 is slidably connected in the inside of sliding groove 22, further improve the use stability of dustproof plate 16.

[0027] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. Line interface based on CAN communication, comprising a terminal box (1), characterized in that: The inside of the junction box (1) is provided with a terminal block (2), and one side of the top of the junction box (1) is provided with a hinged seat (4), the middle of the hinged seat (4) is provided with a dustproof top cover (3), and the bottom of the dustproof top cover (3) is provided with a sealing gasket (5), the middle of the dustproof top cover (3) is provided with a heat dissipation assembly (6); The heat dissipation assembly (6) comprises a mounting frame (7), the bottom of the mounting frame (7) is provided with a dust screen (8), the upper side of the dust screen (8) is provided with a heat dissipation fan (12), the upper side of the heat dissipation fan (12) is provided with a driving element (11), the outer side of the driving element (11) is provided with a limiting ring (10), the outer wall of the limiting ring (10) is provided with a mounting bracket (9), and the top of the mounting frame (7) is provided with a dustproof assembly (13). The dustproof assembly (13) comprises a limiting frame (14), one side of the limiting frame (14) is provided with a plug-in slot (15), the middle of the plug-in slot (15) is provided with a dustproof plate (16), one side of the dustproof plate (16) is provided with a pulling plate (17), the middle of the pulling plate (17) is provided with a groove (18), one side of the limiting frame (14) is provided with a positioning bolt (19), and the side of the dustproof plate (16) is provided with a limiting sliding rail (21).

2. The line interface based on CAN communication according to claim 1, characterized in that: The mounting frame (7) is connected with the dustproof top cover (3) through bolts, and the mounting frame (7) has two, which are symmetrically distributed on the both sides of the middle of the dustproof top cover (3), the bottom of the mounting frame (7) is provided with a dust screen (8) through bolts, and the dust screen (8) is arranged corresponding to the mounting frame (7), and the dust screen (8) is located in the inside of the junction box (1).

3. The line interface based on CAN communication according to claim 2, characterized in that: The side inner wall of the mounting frame (7) is provided with a mounting bracket (9) through bolts, and the middle of the mounting bracket (9) is fixedly connected with a limiting ring (10), the middle of the limiting ring (10) is connected with a driving element (11) through threads, the output end of the driving element (11) is drivingly connected with a heat dissipation fan (12), and the heat dissipation fan (12) is located above the dust screen (8).

4. The CAN communication-based line interface according to claim 1, characterized by: The inner wall of the mounting frame (7) near the top is provided with a limiting frame (14) through bolts, the side inner wall of the limiting frame (14) is provided with a plug-in slot (15), and the plug-in slot (15) penetrates the two sides of the limiting frame (14), one end of the plug-in slot (15) penetrates the side of the mounting frame (7), and the middle of the plug-in slot (15) is slidingly connected with a dustproof plate (16).

5. The line interface based on CAN communication according to claim 4, characterized in that: The side of the dustproof plate (16) is fixedly connected with a pulling plate (17), and the pulling plate (17) is located on the side of the mounting frame (7) provided with the plug-in slot (15), the pulling plate (17) is located above the driving element (11), the side of the pulling plate (17) away from the dustproof plate (16) is provided with a groove (18), and the top of the pulling plate (17) is provided with a positioning groove (20), the positioning groove (20) is arranged adjacent to the groove (18), and the positioning groove (20) has two, which are symmetrically distributed on the two sides of the pulling plate (17).

6. The line interface based on CAN communication according to claim 5, characterized in that: The limiting frame (14) is provided with a positioning bolt (19) through threaded connection on one side top close to the pulling plate (17), and the bottom end of the positioning bolt (19) penetrates the limiting frame (14) and contacts with the pulling plate (17), the bottom end of the positioning bolt (19) is inserted into the inside of the positioning groove (20), and the positioning bolt (19) is correspondingly arranged with the positioning groove (20), the sliding groove (22) is formed on the side inner wall of the limiting frame (14), and the limiting slide rail (21) is slidably connected in the middle of the sliding groove (22), and the limiting slide rail (21) is fixedly connected to the side of the dustproof plate (16).