Modularized national standard automobile charging socket
Through modular design and automated assembly, the problem of complex assembly of existing charging socket wiring harnesses has been solved, enabling efficient production and convenient maintenance of charging sockets.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-07
AI Technical Summary
The existing wiring harness assembly process for car charging stations is complex and cumbersome, making it difficult to meet the integration requirements of compact charging piles and increasing equipment complexity and cost.
It adopts a modular design, including a flange panel, a DC charging module and an AC charging module. It utilizes integrated terminal modules, springs, signal terminals and DC terminals to achieve quick disassembly and stable connection, and can be assembled with automated equipment.
It improved production efficiency, ensured product quality, and simplified maintenance and after-sales operations.
Smart Images

Figure CN224097023U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of new energy vehicles, especially relates to a national standard automobile charging socket. BACKGROUND
[0002] The automobile charging seat is the interface for connecting the charger on the electric vehicle. Its structure includes: flange panel, DC charging module and AC charging module arranged on the flange panel. The existing product has the following disadvantages: the wiring harness assembly process is complex, the assembly process is cumbersome, and it is not easy to operate, which increases the complexity and cost of the equipment, and it is difficult to meet the integration demand of compact charging pile. UTILITY MODEL CONTENTS
[0003] The utility model wants to solve the technical problem to provide a modular national standard automobile charging socket.
[0004] In order to solve the above problems, the utility model adopts the technical scheme of including: flange panel, DC charging module and AC charging module arranged on the flange panel, characterized in that: the DC charging module includes DC module shell, integrated terminal module installed in the DC module shell and DC module tail sleeve connected to the rear end of the DC module shell, the integrated terminal module includes base plate, reed, signal terminal and DC terminal; a group of blind holes for inserting the signal terminal are arranged at both ends of the base plate, and a first through hole for inserting the DC terminal is arranged at the middle part; the reed is integrally embedded in the base plate, and a first jack terminal placed in the blind hole is arranged at the upper and lower ends of the reed, and a row of wiring pins extending from the bottom of the base plate is arranged at the upper end; the first jack terminal is connected to the corresponding wiring pin through the line integrally formed with it; the signal terminal is inserted into the blind hole of the base plate, and a group of circumferentially arranged elastic contact pieces are arranged at the bottom of the signal terminal, and the elastic contact pieces are in contact with the inner wall of the first jack terminal; the DC terminal passes through the first through hole and is welded with the cable arranged in the DC module tail sleeve.
[0005] The rear end of the DC module shell is inserted with a connector plug connected with the wiring pin, and the connector plug includes a plug shell, a group of female terminals arranged in the plug shell and a terminal clamping piece inserted on the plug shell, and the terminal clamping piece is clamped on the female terminal.
[0006] The lower end of the base plate is provided with a second through hole for inserting a PE terminal, and the lower end of the reed is provided with a second jack terminal placed in the second through hole, and the PE terminal is connected through the second jack terminal, and the lower end of the PE terminal is provided with a cage expansion part in contact with the inner wall of the second jack terminal.
[0007] The rear end of the base plate is provided with a terminal clamping sleeve, and the terminal clamping sleeve is formed by butt joint of a left clamping sleeve and a right clamping sleeve.
[0008] The DC module tail cover is provided with a cable sealing ring behind the PE terminal.
[0009] The upper end of the plug shell is provided with a lock catch connected with the DC module shell.
[0010] The lower end of the plug shell is provided with a group of vertically arranged wire clamping grooves.
[0011] The upper end of the reed is provided with a temperature sensor clamping groove extending from the bottom of the base plate, the temperature sensor clamping groove is in communication with the wiring pin through a line integrally formed with the temperature sensor clamping groove, the base plate is provided with a temperature sensor assembly, the temperature sensor assembly comprises a heat-conducting silica gel sleeve arranged in the base plate and a temperature sensor arranged in the heat-conducting silica gel sleeve, the temperature sensor is provided with a wiring pin clamped with the temperature sensor clamping groove, and one end surface of the heat-conducting silica gel sleeve extends into the first through hole.
[0012] The modular national standard automobile charging socket has the following advantages: parts are integrated and modularized, can be assembled by automatic equipment, production efficiency is greatly improved, product quality is guaranteed, and subsequent maintenance and after-sales are facilitated.
[0013] The utility model will be further described below in combination with the drawings of the specification. DRAWINGS
[0014] Figure 1 is the structural schematic diagram of the modular national standard automobile charging socket of the utility model;
[0015] Figure 2 is the structural schematic diagram of the DC charging module of the utility model;
[0016] Figure 3 is the sectional view of the DC charging module of the utility model;
[0017] Figure 4 is the exploded view of the DC charging module of the utility model;
[0018] Figure 5 is the structural schematic diagram of the integrated terminal module of the utility model;
[0019] Figure 6 is the exploded view of the integrated terminal module of the utility model;
[0020] Figure 7 is the structural schematic diagram of the reed of the utility model;
[0021] Figure 8 is the structural schematic diagram of the connector plug of the utility model. DETAILED DESCRIPTION
[0022] Reference Figures 1-8 As shown, the modular national standard automotive charging socket of this utility model includes a flange panel 1 and a DC charging module 2 and an AC charging module 3 disposed on the flange panel 1. The DC charging module 2 and the AC charging module 3 are fixed to the rear end of the flange panel 1 by self-tapping screws. The DC charging module 2 includes a DC module housing 4, an integrated terminal module 5 installed in the DC module housing 4, and a DC module tail sleeve 6 connected to the rear end of the DC module housing 4. The integrated terminal module 5 includes a base plate 7, a spring 8, a signal terminal 9, and a DC terminal 10. The base plate 7 has a set of blind holes 11 at both ends for the signal terminal 9 to be inserted, and a first through hole 12 in the middle of the base plate 7 for the DC terminal 10 to be inserted. The base plate 7 is fixed to the DC module housing 4 by self-tapping screws 37. The spring 8 is integrally injection molded into the base plate 7, and the upper and lower ends of the spring 8 have first insertion terminal 13 placed in the blind holes 11. The upper end of the spring 8 has a row of wiring pins 14 extending from the bottom of the base plate 7. The first socket terminal 13 is connected to the corresponding wiring pin 14 via an integrally formed line 15. The lower end of the signal terminal 9 is inserted into the blind hole 11 of the substrate 7, and the bottom of the signal terminal 9 is provided with a set of circumferentially arranged elastic contact pieces 16. The elastic contact pieces 16 contact the inner wall of the first socket terminal 13 to achieve quick assembly and disassembly of the signal terminal 9. The DC terminal 10 passes through the first through hole 12 and is soldered to the cable 17 disposed in the tail sleeve 6 of the DC module.
[0023] Preferably, a connector plug 18 is inserted into the rear end of the DC module housing 4 to connect to the wiring pins 14. The connector plug 18 includes a plug housing 19, a set of female terminals 20 disposed within the plug housing 19, and a terminal clip 21 that is inserted into the plug housing 19, the terminal clip 21 engaging with the female terminals 20. When the connector plug 18 is inserted into the rear end of the DC module housing 4, the female terminals 20 and the wiring pins 14 are electrically connected, enabling quick connection of the signal lines.
[0024] Preferably, the lower end of the substrate 7 is provided with a second through hole 23 for inserting the PE terminal 22, and the lower end of the spring 8 is provided with a second insertion terminal 24 placed in the second through hole 23. The PE terminal 22 is connected through the second insertion terminal 24, and the lower end of the PE terminal 22 is provided with a cage-like expansion portion 25 that contacts the inner wall of the second insertion terminal 24. This structure enables quick assembly and disassembly of the PE terminal 22, while the cage-like expansion portion 25 ensures the stability of the contact of the PE terminal 22.
[0025] Preferably, the rear end of the substrate 7 is provided with a terminal sleeve 26, which is formed by mating a left sleeve 27 and a right sleeve 28. When the left sleeve 27 and the right sleeve 28 are mated, they wrap around the rear end of the PE terminal 22 to fix the PE terminal 22.
[0026] Preferably, the DC module tail sleeve 6 is provided with a cable sealing ring 29 behind the PE terminal 22 to seal the PE terminal 22 and the wire.
[0027] Preferably, the upper end of the plug housing 19 is provided with a latch 30 that connects to the DC module housing 4. This serves to lock the connector plug 18 to the DC module housing 4 and prevent it from falling off.
[0028] Preferably, the lower end of the plug housing 19 is provided with a set of vertically arranged wire-holding grooves 31. The wires connected to the rear end of the female terminal 20 can be inserted into the wire-holding grooves 31 for easy wire routing.
[0029] Preferably, the upper end of the spring 8 is provided with a temperature sensor mounting groove 32 extending from the bottom of the substrate 7. The temperature sensor mounting groove 32 is connected to the wiring pin 14 through a line 15 integrally formed therewith. A temperature sensor assembly 33 is provided on the substrate 7. The temperature sensor assembly 33 includes a thermally conductive silicone sleeve 34 disposed within the substrate 7 and a temperature sensor 35 disposed within the thermally conductive silicone sleeve 34. The temperature sensor 35 has wiring pins 36 that engage with the temperature sensor mounting groove 32. One end of the thermally conductive silicone sleeve 34 extends into the first through hole 12 and is attached to the surface of the DC terminal 10. This structure enables quick assembly and disassembly of the temperature sensor assembly 33.
[0030] The foregoing is not intended to limit the present invention in any way. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed structure and technical content to create equivalent embodiments without departing from the scope of the present invention. However, any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.
Claims
1. A modular national standard car charging socket, comprising a flange panel (1) and a DC charging module (2) and an AC charging module (3) disposed on the flange panel (1), characterized in that: The DC charging module (2) includes a DC module housing (4), an integrated terminal module (5) installed inside the DC module housing (4), and a DC module tail sleeve (6) connected to the rear end of the DC module housing (4). The integrated terminal module (5) includes a substrate (7), a spring (8), a signal terminal (9), and a DC terminal (10). The substrate (7) has a set of blind holes (11) at both ends for the signal terminal (9) to be inserted, and a first through hole (12) in the middle for the DC terminal (10) to be inserted. The spring (8) is integrally injection molded into the substrate (7), and its upper and lower ends are provided with holes (11) placed in the blind holes (12). 1) The first socket terminal (13) inside has a row of wiring pins (14) extending from the bottom of the substrate (7) at its upper end; the first socket terminal (13) is connected to the corresponding wiring pins (14) through a line (15) integrally formed with it; the lower end of the signal terminal (9) is inserted into the blind hole (11) of the substrate (7) and a set of circumferentially arranged elastic contact pieces (16) are provided at the bottom, and the elastic contact pieces (16) contact the inner wall of the first socket terminal (13); the DC terminal (10) passes through the first through hole (12) and is soldered to the cable (17) provided in the tail sleeve (6) of the DC module.
2. The modular national standard car charging socket according to claim 1, characterized in that: The rear end of the DC module housing (4) is connected to a connector plug (18) that is connected to the wiring pin (14). The connector plug (18) includes a plug housing (19), a set of female terminals (20) disposed in the plug housing (19), and a terminal clip (21) inserted into the plug housing (19). The terminal clip (21) is snapped into the female terminals (20).
3. The modular national standard car charging socket according to claim 1, characterized in that: The substrate (7) has a second through hole (23) at its lower end for inserting a PE terminal (22). The spring (8) has a second insertion terminal (24) at its lower end placed in the second through hole (23). The PE terminal (22) is connected through the second insertion terminal (24). The PE terminal (22) has a cage-like expansion part (25) at its lower end that contacts the inner wall of the second insertion terminal (24).
4. The modular national standard car charging socket according to claim 3, characterized in that: The substrate (7) has a terminal sleeve (26) at its rear end, which is formed by connecting a left sleeve (27) and a right sleeve (28).
5. The modular national standard car charging socket according to claim 3, characterized in that: The DC module tail sleeve (6) is provided with a cable sealing ring (29) behind the PE terminal (22).
6. The modular national standard car charging socket according to claim 2, characterized in that: The upper end of the plug housing (19) is provided with a latch (30) that connects to the DC module housing (4).
7. The modular national standard car charging socket according to claim 2, characterized in that: The lower end of the plug housing (19) is provided with a set of vertically arranged wire-locking grooves (31).
8. The modular national standard car charging socket according to claim 1, characterized in that: The upper end of the spring (8) is provided with a temperature sensor snap-fit groove (32) extending from the bottom of the substrate (7). The temperature sensor snap-fit groove (32) is connected to the wiring pin (14) through a line (15) integrally formed with it. The substrate (7) is provided with a temperature sensor assembly (33). The temperature sensor assembly (33) includes a thermally conductive silicone sleeve (34) disposed in the substrate (7) and a temperature sensor (35) disposed in the thermally conductive silicone sleeve (34). The temperature sensor (35) is provided with a wiring pin (36) snap-fitted with the temperature sensor snap-fit groove (32). One end face of the thermally conductive silicone sleeve (34) extends into the first through hole (12).