A quick-plug side-outlet DC charging socket

Abstract

The present application belongs to the technical field of charging of new energy vehicles, and discloses a quick-plug side-outlet DC charging socket, including a square plate, an insulator is arranged on the square plate, a circuit board is arranged inside the insulator, a low-voltage plug-in, six jack contacts and two temperature sensors are arranged on the circuit board, the six jack contacts and the two temperature sensors are connected to the low-voltage plug-in, a pressure plate is arranged on the rear side of the circuit board, a power contact is arranged on the pressure plate, a power hole is arranged on the circuit board, a rear cover is arranged on the rear side of the insulator, three outlet sleeves are arranged at intervals on the side wall of the rear cover, the wiring terminal of the automobile wiring harness passes through the outlet sleeve and contacts with the power contact, a plurality of fixing holes are arranged at the rear end of the rear cover, and bolts pass through the fixing holes to connect the wiring terminal with the power contact. The rear cover and the outlet sleeve guide and fix the direction of the automobile wiring harness, so that the direction of the automobile wiring harness is perpendicular to the length direction of the power contact, so that the automobile wiring harness is wired out from the side of the socket, which is convenient for layout.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle charging, in particular to a quick-plug side-outlet DC charging socket. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies and new structures. New energy vehicles in the current market are mainly powered by electricity, so the vehicle itself is equipped with a charging socket to connect to the charging gun of a charging pile to provide power to the battery inside the vehicle.

[0003] However, most charging sockets are designed with straight cables at the rear. During the vehicle assembly process, the rear cables require a larger bending radius, which leads to certain limitations in the wiring harness layout of the vehicle and is not conducive to the layout of the wiring harness of the vehicle. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a quick-plug side-outlet DC charging socket.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions: a quick-plug side-outlet DC charging socket, comprising a square plate connected to a vehicle body, an insulator is arranged on the square plate, a circuit board is arranged in the insulator, a CC1 jack contact, a CC2 jack contact, an A+ jack contact, an A- jack contact, an S+ jack contact, an S- jack contact, a low-voltage plug-in and two temperature sensors are arranged on the circuit board, and the CC1 jack contact, the CC2 jack contact, the A+ jack contact, the A- jack contact, the S+ jack contact, the S- jack contact and the two temperature sensors are connected To the low-voltage plug-in, the low-voltage plug-in is connected to the automobile control system through a signal line, a pressure plate is arranged on the rear side of the circuit board, a power contact is arranged on the pressure plate, a power hole is arranged on the circuit board, the front end of the power contact passes through the power hole to connect to the charging gun plug, and the rear end is connected to the vehicle body wiring harness, a rear cover for sealing the circuit board and the pressure plate is arranged on the rear side of the insulator, three outlet sleeves are arranged at intervals on the side walls of the rear cover, the wiring terminals of the automobile wiring harness pass through the outlet sleeves to reach the inside of the rear cover and contact with the rear end of the power contact, a plurality of fixing holes are arranged at the rear end of the rear cover, and bolts pass through the fixing holes to connect the wiring terminals with the power contact.

[0006] By adopting the above technical scheme, a square plate, an insulator, a circuit board, a pressure plate, a rear cover, and a fixing hole are provided, and the socket is connected to the vehicle body through the square plate. After the charging gun is inserted into the socket, the signal pin of the charging gun contacts the jack contact on the circuit board, and the circuit board is used to integrate the signals of the two temperature sensors and the CC1 jack contact, CC2 jack contact, A+ jack contact, A- jack contact, S+ jack contact, and S- jack contact on the DC charging seat. The rear cover and the outlet sleeve are used to guide and fix the direction of the automobile wiring harness, so that the direction of the automobile wiring harness is perpendicular to the length direction of the power contact, so that the automobile wiring harness is connected from the side of the socket, and no bending is required during laying, which is convenient for laying. The terminal is connected to the power contact by passing the bolt through the fixing hole, which is convenient for installation.

[0007] Furthermore, a tail cover for fixing the automobile wiring harness is arranged on the outlet sleeve, a plurality of buckles are arranged on the outer wall of the outlet sleeve, and a through groove is correspondingly arranged on the tail cover.

[0008] By adopting the above technical solution, a tail cover, a buckle and a through slot are provided. The tail cover is provided to fix and protect the automobile wiring harness. The cooperation of the buckle and the through slot facilitates the installation of the tail cover.

[0009] Furthermore, an anti-deflection sleeve is provided on one end of the tail cover which protrudes outward away from the outlet sleeve.

[0010] By adopting the above technical solution, an anti-deflection sleeve is provided at one end of the tail cover which is away from the outlet sleeve and protrudes outward, so as to avoid uneven compression and deformation of the sealing body caused by excessive deflection of the cable.

[0011] Furthermore, the rear cover is provided with a fixing sleeve at the fixing hole, the outer wall of the fixing sleeve is provided with reinforcing ribs, and the fixing sleeve is provided with a sealing plug.

[0012] By adopting the above technical solution, a fixed sleeve, a reinforcing rib and a sealing plug are provided, and the fixed sleeve and the sealing plug are provided to protect the screws, while preventing the screws from contacting other objects and causing leakage.

[0013] Furthermore, a groove cooperating with the reinforcing rib is provided on the side of the sealing plug adjacent to the rear cover.

[0014] By adopting the above technical solution, a slot cooperating with the reinforcing rib is provided on the side of the sealing plug close to the rear cover, and the sealing plug is guided and circumferentially positioned by cooperating with the reinforcing rib on the fixed sleeve.

[0015] Furthermore, a plurality of blocks are provided on the outer wall of the fixed sleeve, and a card slot is provided on the side of the sealing plug away from the rear cover corresponding to the card block.

[0016] By adopting the above technical solution, a clamping block and a clamping slot are provided, and the sealing plug is fixed by clamping the clamping block into the clamping slot.

[0017] Furthermore, the pressure plate includes a vertically arranged mounting plate and a connecting plate arranged in the middle of the mounting plate, the connecting plate surface is located on a horizontal plane, the mounting plate is provided with two U-shaped grooves with opposite notches and an assembly hole, the power contacts include a DC+ contact, a DC- contact, and a PE contact, the DC+ contact and the DC- contact are provided with annular grooves, the width of the U-shaped groove is consistent with the diameter of the circle formed by the bottom of the annular groove, the DC+ contact and the DC- contact are respectively connected to the pressure plate through the U-shaped groove, and the PE contact is installed in the assembly hole.

[0018] By adopting the above technical solution, a mounting plate, a connecting plate, a U-shaped groove, an annular groove, and an assembly hole are provided, and the width of the U-shaped groove is set to be consistent with the diameter of the circle formed by the bottom of the annular groove, which facilitates the installation of DC+ contacts and DC- contacts, and the assembly hole is provided for installing the PE contact.

[0019] Furthermore, a hollow plug-in post is provided at the front end of the insulator and is covered on the outside of the power contact piece, and a splitting groove is provided at the lower side of the hollow plug-in post along its length direction.

[0020] By adopting the above technical solution, a hollow plug post is provided to protect the power contact to prevent the power contact from being exposed, and a split groove is provided on the lower side of the hollow plug post. When water enters the front end of the socket, the water can flow out from the split groove to prevent water from flowing from the hollow plug post to the circuit board.

[0021] In summary, the utility model has the following beneficial effects: in the present application, a square plate, an insulator, a circuit board, a pressure plate, a back cover, and a fixing hole are provided, and the socket is connected to the vehicle body through the square plate. After the charging gun is inserted into the socket, the signal pin of the charging gun contacts the jack contact on the circuit board, and the circuit board is used to integrate the signals of the two temperature sensors and the CC1 jack contact, CC2 jack contact, A+ jack contact, A- jack contact, S+ jack contact, and S- jack contact on the DC charging seat. The back cover and the wire outlet sleeve are used to guide and fix the direction of the automobile wiring harness, so that the direction of the automobile wiring harness is perpendicular to the length direction of the power contact, so that the automobile wiring harness is connected from the side of the socket, and no bending is required during laying, which is convenient for laying. The terminal block is connected to the power contact by bolts passing through the fixing hole, which is convenient for installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall explosion structure of an embodiment of the utility model;

[0023] Figure 2 It is an enlarged view of part A of the embodiment of the utility model;

[0024] Figure 3 It is an enlarged view of part B of the embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the square plate and the insulator part of the embodiment of the utility model;

[0026] Figure 5 This is a schematic structural diagram of the square plate and the insulator part of the embodiment of the utility model from another angle;

[0027] Figure 6 It is a schematic diagram of the structure of the circuit board part of the embodiment of the utility model;

[0028] Figure 7 It is a structural schematic diagram of the pressing plate part of the embodiment of the utility model;

[0029] Figure 8 It is a schematic structural diagram of the DC+ contact part of an embodiment of the utility model.

[0030] In the figure: 10, square plate; 20, insulator; 21, hollow plug-in column; 22, split groove; 23, guide column; 24, blind hole; 25, guide circular hole; 26, metal bushing; 30, circuit board; 31, temperature sensor; 32, low-voltage plug; 33, power hole; 34, guide hole; 35, spring sheet; 40, pressure plate; 41, mounting plate; 42, connecting plate; 43, U-shaped groove; 44, assembly hole; 45, boss; 46, side rib; 50, power contact; 51, annular groove; 52, sealing rivet nut; 60, back cover; 61, guide rod; 70, outlet sleeve; 71, tail cover; 72, buckle; 73, through groove; 74, anti-bias sleeve; 80, fixed sleeve; 81, sealing plug; 82, slot; 83, slot. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0032] like Figure 1-8As shown, the embodiment of the present application discloses a quick-plug side-outlet DC charging socket, including a square plate 10, a circuit board 30, a pressure plate 40, and a rear cover 60. The square plate 10 is provided with four mounting holes, and metal bushings 26 are provided in the four mounting holes. Bolts are passed through the metal bushings 26 to connect with the vehicle body to fix the socket to the vehicle body. An insulator 20 is provided on the square plate 10, and the circuit board 30 is arranged in the insulator 20 for integrating signals. The pressure plate 40 is arranged on the rear side of the circuit board 30, and three power contacts 50 are arranged on the pressure plate 40, which are respectively a DC+ contact, a DC- contact, and a PE contact. Three power holes 33 are arranged on the circuit board 30, and the front end of the power contact 50 passes through the power hole 33 for connecting the charging gun plug, and the rear end is connected to the vehicle body wiring harness. The rear cover 60 is arranged on the rear side of the insulator 20, and is used to seal the circuit board 30 and the pressure plate 40 to protect the circuit board 30 and the pressure plate 40.

[0033] Specifically, the circuit board 30 is provided with a CC1 jack contact, a CC2 jack contact, an A+ jack contact, an A- jack contact, an S+ jack contact, an S- jack contact, a low-voltage plug-in 32 and two temperature sensors 31. The six jack contacts and the two temperature sensors 31 are connected to the low-voltage plug-in 32. After the charging gun is inserted into the socket, the six signal pins of the charging gun contact the six jack contacts on the circuit board 30, and the low-voltage plug-in 32 is connected to the vehicle control system through the signal line to achieve signal transmission. The power hole 33 on the circuit board 30 for the PE contact to pass through is circumferentially provided with three spring sheets 35, and the PE contact has a step groove, which contacts the three spring sheets 35. The circuit board 30 is provided with a temperature measuring copper foil, and the temperature sensor 31 is welded on the circuit board 30 by the SMT process to be close to the temperature measuring copper foil to ensure the temperature measurement accuracy.

[0034] The front end of the insulator 20 is provided with a hollow plug-in column 21 which is covered on the outside of the power contact 50 and the six socket contacts. The lower side of the hollow plug-in column 21 is provided with a split groove 22 along its length direction. When water enters the front end of the socket, the water can flow out from the split groove 22 to prevent the water from flowing from the hollow plug-in column 21 to the circuit board 30 and affecting the electrical performance of the charging socket. The side of the insulator 20 adjacent to the circuit board 30 is provided with a guide column 23, a blind hole 24, a guide circular hole 25, a through hole, a boss 45, and an isolation rib. There are two guide columns 23, and two guide holes 34 are correspondingly provided on the circuit board 30. The guide columns 23 cooperate with the guide holes 34 to facilitate the installation of the circuit board 30. There are four blind holes 24, which are used to install screws to fix the circuit board 30 and the pressure plate 40 on the insulator 20. There are two guide circular holes 25, and a guide rod 61 is correspondingly provided on the back cover 60. The guide rod 61 cooperates with the guide circular hole 25 to facilitate the installation of the back cover 60. Four through holes are provided for mounting screws to fix the rear cover 60 on the insulator 20. The boss 45 is used to support the circuit board 30. The isolation rib is used to increase the creepage distance between different polarities of the charging socket.

[0035] The pressure plate 40 includes a vertically arranged mounting plate 41 and a connecting plate 42 arranged in the middle of the mounting plate 41. The surface of the connecting plate 42 is located on a horizontal plane. The mounting plate 41 is provided with two U-shaped grooves 43 with opposite notches and an assembly hole 44. The DC+ contact and the DC- contact are provided with an annular groove 51. The width of the U-shaped groove 43 is consistent with the diameter of the circle formed by the groove bottom of the annular groove 51. The DC+ contact and the DC- contact are connected to the pressure plate 40 through the U-shaped groove 43 respectively, and the PE contact is installed in the assembly hole 44. Seven bosses 45 are provided on the mounting plate 41 for axial limiting of the contact. There are convex points on the side wall of the groove for radial pre-positioning of the DC+ contact and the DC- contact. A large radius fillet is provided at the position where the wiring terminal is installed on the connecting plate 42 for installation guidance of the wiring terminal. The rear cover 60 is provided with vertical ribs, and the connecting plate 42 is provided with side ribs 46 that cooperate with the vertical ribs for positioning the wiring terminal to prevent the wiring terminal from shaking left and right.

[0036] A sealing ring is secondary-injected on the rear cover 60, and a seal is achieved after cooperating with the insulator 20. Three outlet sleeves 70 are arranged at intervals on the side wall of the rear cover 60. The length direction of the outlet sleeve 70 is perpendicular to the length direction of the power contact 50. One end of the terminal of the automobile wiring harness passes through the outlet sleeve 70 to reach the inside of the rear cover 60 and contacts the rear end of the power contact 50, so that the wiring harness does not need to be bent when laid, which is convenient for the wiring harness. A tail cover 71 is arranged on the outlet sleeve 70 to fix the automobile wiring harness. Several buckles 72 are arranged on the outer wall of the outlet sleeve 70, and a through groove 73 is correspondingly arranged on the tail cover 71. The buckle 72 cooperates with the through groove 73 to facilitate the installation of the tail cover 71. An anti-deflection sleeve 74 is arranged on the end of the tail cover 71 away from the outlet sleeve 70 to protrude outward to prevent uneven compression and deformation of the sealing body caused by excessive deflection of the cable. The rear cover 60, the outlet sleeve 70 and the tail cover 71 guide and fix the direction of the automobile wiring harness so that the direction of the automobile wiring harness is perpendicular to the length direction of the power contact 50, so that the automobile wiring harness is connected from the side of the socket, and does not need to be bent during laying, which is convenient for laying.

[0037] The rear end of the rear cover 60 is provided with a plurality of fixing holes, through which bolts pass to connect the wiring terminal with the power contact 50, and a fixing sleeve 80 is provided at the fixing hole, and a reinforcing rib is provided on the outer wall of the fixing sleeve 80, and a sealing plug 81 is provided on the fixing sleeve 80, and the fixing sleeve 80 and the sealing plug 81 protect the screws and prevent the screws from contacting with other objects and causing leakage. The sealing plug 81 is provided with a slot 82 that cooperates with the reinforcing rib, and the sealing plug 81 is guided and circumferentially positioned by the slot 82 cooperating with the reinforcing rib on the fixing sleeve 80. The outer wall of the fixing sleeve 80 is provided with a plurality of card blocks, and the sealing plug 81 is provided with a card slot 83 corresponding to the card block, and the sealing plug 81 is fixed by the card block being inserted into the card slot 83. In the specific configuration, the fixed sleeve 80 is divided into a single-hole fixed sleeve 80 and a double-hole fixed sleeve 80. The double-hole fixed sleeve 80 covers two height holes, and a single-hole sealing ring is provided on the single-hole fixed sleeve 80, and a double-hole sealing ring is provided on the double-hole fixed sleeve 80. The single-hole sealing plug 81 and the double-hole sealing plug are both secondarily molded with sealing rings to ensure the sealing of the fixed holes.

[0038] The head of the power contact 50 adopts a split groove 22 hole or a torsion spring hole, and a sealing rivet nut 52 is riveted on the tail sheet structure for fixing with the terminal screw, which can also prevent metal debris generated when screwing.

[0039] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A quick-plug side-outlet DC charging socket, characterized by: The invention comprises a square plate (10) connected to a vehicle body, wherein an insulator (20) is arranged on the square plate (10), a circuit board (30) is arranged inside the insulator (20), a CC1 jack contact, a CC2 jack contact, an A+ jack contact, an A- jack contact, an S+ jack contact, an S- jack contact, a low-voltage plug-in (32) and two temperature sensors (31) are arranged on the circuit board (30), the CC1 jack contact, the CC2 jack contact, the A+ jack contact, the A- jack contact, the S+ jack contact, the S- jack contact and the two temperature sensors (31) are connected to the low-voltage plug-in (32), the low-voltage plug-in (32) is connected to the vehicle control system via a signal line, and the circuit board (30) is connected to the vehicle control system via a signal line. A pressure plate (40) is arranged on the side, a power contact (50) is arranged on the pressure plate (40), a power hole (33) is arranged on the circuit board (30), the front end of the power contact (50) passes through the power hole (33) for connecting to the charging gun plug, and the rear end is connected to the vehicle body wiring harness, the rear side of the insulator (20) is provided with a rear cover (60) for sealing the circuit board (30) and the pressure plate (40), three outlet sleeves (70) are arranged at intervals on the side wall of the rear cover (60), the wiring terminal of the automobile wiring harness passes through the outlet sleeve (70) to reach the inside of the rear cover (60) and contacts with the rear end of the power contact (50), and the rear end of the rear cover (60) is provided with a plurality of fixing holes, and bolts pass through the fixing holes to connect the wiring terminal with the power contact (50).

2. The quick-plug side-outlet DC charging socket according to claim 1 is characterized in that: The outlet sleeve (70) is provided with a tail cover (71) for fixing the automobile wiring harness, a plurality of buckles (72) are provided on the outer wall of the outlet sleeve (70), and a through slot (73) is correspondingly provided on the tail cover (71).

3. The quick-plug side-outlet DC charging socket according to claim 2 is characterized in that: An anti-deflection sleeve (74) is provided on one end of the tail cover (71) away from the outlet sleeve (70) and protrudes outward.

4. The quick-plug side-outlet DC charging socket according to claim 1 is characterized in that: The rear cover (60) is provided with a fixing sleeve (80) at the fixing hole, the outer wall of the fixing sleeve (80) is provided with reinforcing ribs, and the fixing sleeve (80) is provided with a sealing plug (81).

5. The quick-plug side-outlet DC charging socket according to claim 4 is characterized in that: The sealing plug (81) is provided with a notch (82) on one side adjacent to the rear cover (60) and matched with the reinforcing rib.

6. The quick-plug side-outlet DC charging socket according to claim 4 is characterized in that: The outer wall of the fixed sleeve (80) is provided with a plurality of clamping blocks, and a clamping groove (83) is provided on the side of the sealing plug (81) away from the rear cover (60) corresponding to the clamping blocks.

7. The quick-plug side-outlet DC charging socket according to claim 1 is characterized in that: The pressure plate (40) comprises a vertically arranged mounting plate (41) and a connecting plate (42) arranged in the middle of the mounting plate (41); the connecting plate (42) has a plate surface located on a horizontal plane; the mounting plate (41) is provided with two U-shaped grooves (43) with opposite notches and an assembly hole (44); the power contact (50) comprises a DC+ contact, a DC- contact, and a PE contact; the DC+ contact and the DC- contact are provided with an annular groove (51); the width of the U-shaped groove (43) is consistent with the diameter of a circle formed by the bottom of the annular groove (51); the DC+ contact and the DC- contact are respectively connected to the pressure plate (40) via the U-shaped groove (43); and the PE contact is installed in the assembly hole (44).

8. The quick-plug side-outlet DC charging socket according to claim 1, characterized in that: The front end of the insulator (20) is provided with a hollow plug-in post (21) which is covered on the outside of the power contact piece (50), and the lower side of the hollow plug-in post (21) is provided with a splitting groove (22) along its length direction.

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