External charging pile PCBA board

Abstract

The utility model relates to the field of PCBA boards, and discloses an external charging pile PCBA board, which comprises a PCBA mainboard and a charging element arranged on the PCBA mainboard, an external connection area is arranged above the PCBA mainboard, jacks are arranged at four corners of the external connection area, a group of electric connection grooves are arranged on the external connection area, an external connection connector is detachably arranged on the external connection area, and the charging element is arranged on the PCBA mainboard. Positioning columns are arranged at the four corners of the bottom of the external connector respectively, a set of electric connection pins are arranged at the bottom of the external connector and correspond to the electric connection grooves in position, the electric connection pins are provided with quick release mechanisms, an annular frame is arranged above the external connection area, and the side portion of the lower portion of the external connector is attached to the inner side of the annular frame. A silica gel ring is detachably arranged on the positioning column, the electric connection pin comprises a pin plate arranged at the bottom of the external connector, and a group of pin frames are symmetrically arranged below the pin plate, so that the connector can be conveniently taken down from the charging pile PCBA, and the maintenance efficiency of the connector is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PCBA boards, in particular to an external charging pile PCBA board. Background Art

[0002] In recent years, with its many advantages such as environmental protection, energy saving, and high efficiency, new energy electric vehicles have become the first choice for people when purchasing vehicles. Charging piles are an important logistical part to maintain the energy supply of new energy electric vehicles and ensure the convenient and smooth travel of new energy vehicles. They are mainly composed of display screens, incoming line switches, emergency stop buttons, charging pile PCBA boards, charging gun components and other components.

[0003] Among them, the charging pile PCBA board is the core component of the new energy electric vehicle charging pile. The connector set on the charging pile PCBA is generally soldered to the charging pile PCBA board. However, when the connector is damaged, it is necessary to melt the solder with a soldering iron and then remove the connector from the charging pile PCBA, which reduces the efficiency of connector maintenance. Therefore, we propose an external charging pile PCBA board. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the present invention provides an external charging pile PCBA board to solve the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: The present invention discloses an external charging pile PCBA board, including a PCBA mainboard and a charging element arranged on the PCBA mainboard, an external connection area is arranged above the PCBA mainboard, four corners of the external connection area are provided with sockets, a group of electrical connection slots are provided on the external connection area, an external connector is detachably provided on the external connection area, positioning columns are respectively provided at the four corners of the bottom of the external connector, a plurality of the positioning columns are adapted to a plurality of the sockets, a group of electrical connection pins are provided at the bottom of the external connector, a group of the electrical connection pins correspond to the positions of the electrical connection slots, and the electrical connection pins are provided with a quick release mechanism.

[0006] As a preferred solution, a ring frame is provided above the external connection area, and the lower side of the external connector is in contact with the inner side of the ring frame.

[0007] As a preferred solution, a silicone ring is detachably provided on the positioning column.

[0008] As a preferred solution, the electrical connection pins include a pin plate arranged at the bottom of the external connector, and a group of pin racks are symmetrically arranged below the pin plate.

[0009] As a preferred solution, the quick-release mechanism includes a groove body opened on the opposite surfaces of the two pin racks, a spring is arranged between the two groove bodies, a resistance surface is arranged at the lower part of the pin rack, and a group of side grooves are opened on the electrical connection groove, and the middle parts of the outer sides of the two pin racks are respectively fitted with the side grooves.

[0010] As a preferred solution, mainboard brackets are detachably provided on both sides of the PCBA mainboard.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The utility model facilitates users to quickly blindly plug the external connector into the external connection area through the ring stand. After the positioning column is inserted into the corresponding socket, the staff puts the silicone ring on the positioning column so that the top of the silicone ring fits with the bottom of the PCBA mainboard, thereby stably and quickly installing the external connector on the external connection area.

[0013] The structural setting of the quick-release mechanism facilitates the stable and rapid installation of the external connector on the external connection area. When the electrical pins are installed on the electrical connection slots, the lower part of the pin rack is extended into the electrical connection slots, and the lower part of the pin rack is provided with abutment surfaces, so that the abutment surfaces slide on the side slots of the electrical connection slots, so that the two pin racks are retracted, and the springs between the slot bodies are compressed and deformed. The restoring force of the springs causes the outer middle parts of the two pin racks to fit with the side slots respectively. When the external connector is removed from the external connection area, the two pin racks are pressed inward, the springs are compressed and deformed, and a gap appears between the two pin racks and the side slots of the electrical connection slots, and the external connector can be pulled out. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 is a three-dimensional structural diagram of an external connector;

[0017] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0018] Figure 5 This is a structural diagram of the motherboard bracket.

[0019] In the figure: 1. PCBA mainboard; 2. Charging component; 3. External connection area; 4. Jack; 5. Electrical connection slot; 6. External connector; 7. Positioning column; 8. Electrical connection pin; 9. Ring frame; 10. Silicone ring; 11. Pin board; 12. Pin frame; 13. Slot body; 14. Spring; 15. Mainboard bracket. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5 The embodiment of the present invention is an external charging pile PCBA board, including a PCBA main board 1 and a charging element 2 arranged on the PCBA main board 1. The PCBA main board 1 has a stable bottom and an upper portion coated with an epoxy resin layer, thereby improving the waterproofness of the PCBA main board 1. An external connection area 3 is provided above the PCBA main board 1. A jack 4 is provided at the four corners of the external connection area 3. A group of electrical connection slots 5 are provided on the external connection area 3. An external connector 6 is detachably provided on the external connection area 3. The external connector 6 has multiple terminal connection slots for easy access. The external connection circuit is connected to the PCBA motherboard 1. Positioning columns 7 are respectively provided at the four corners of the bottom of the external connector 6. Multiple positioning columns 7 are adapted to multiple jacks 4. A group of electrical connection pins 8 are provided at the bottom of the external connector 6. The electrical connection pins 8 are made of copper-aluminum alloy, which makes the electrical connection pins 8 have a certain toughness. A group of electrical connection pins 8 corresponds to the position of the electrical connection slot 5. The electrical connection pins 8 are provided with a quick release mechanism to facilitate the removal of the external connector 6 from the PCBA motherboard 1, thereby improving the efficiency of the maintenance of the external connector 6.

[0022] like Figure 1 、 2 As shown, a ring stand 9 is provided above the external connection area 3 , and the lower side of the external connector 6 fits in contact with the inner side of the ring stand 9 , so that the user can quickly and blindly plug the external connector 6 into the external connection area 3 through the ring stand 9 .

[0023] like Figure 3 、 4 As shown, a silicone ring 10 is detachably provided on the positioning column 7. After the positioning column 7 is inserted into the corresponding socket 4, the staff puts the silicone ring 10 on the positioning column 7 so that the top of the silicone ring 10 fits with the bottom of the PCBA mainboard 1, thereby stably and quickly installing the external connector 6 on the external connection area 3.

[0024] like Figure 2 、 4As shown, the electrical connection pins 8 include a pin plate 11 arranged at the bottom of the external connector 6, and a group of pin racks 12 are symmetrically arranged below the pin plate 11. The pin racks 12 and the pin plate 11 are integrally formed, and the pin racks 12 and the pin plate 11 are made of copper-aluminum alloy, so that the pin racks 12 and the pin plate 11 have a certain toughness, thereby avoiding damage to the electrical connection pins 8 when they are disassembled on the electrical connection slot 5.

[0025] like Figure 3 、 4 As shown, the quick-release mechanism includes a groove body 13 opened on the opposite surfaces of the two pin racks 12, a spring 14 is arranged between the two groove bodies 13, a butt surface is arranged at the lower part of the pin rack 12, and a group of side grooves are opened on the electrical connection groove 5. The outer middle parts of the two pin racks 12 are respectively fitted with the side grooves. When the electrical connection pins 8 are installed on the electrical connection groove 5, the lower part of the pin rack 12 is extended into the electrical connection groove 5, and the lower part of the pin rack 12 is provided with a butt surface, so that the butt surface slides on the side groove of the electrical connection groove 5, so that the two pin racks 12 are retracted, and the spring 14 between the groove bodies 13 is compressed and deformed, so that the outer middle parts of the two pin racks 12 are respectively fitted with the side grooves.

[0026] like Figure 1 、 5 As shown, motherboard brackets 15 are detachably provided on both sides of the PCBA motherboard 1. The motherboard brackets 15 set up the PCBA motherboard 1. On the one hand, it facilitates the circulation of air under the PCBA motherboard 1, thereby improving the heat dissipation of the PCBA motherboard 1. On the other hand, when the positioning column 7 is inserted into the jack 4, the lower end of the positioning column 7 is prevented from affecting the installation of the PCBA motherboard 1.

[0027] During the specific implementation of this embodiment, the ring frame 9 facilitates the user to quickly and blindly insert the external connector 6 into the external connection area 3. After the positioning posts 7 are inserted into the corresponding sockets 4, the staff will put the silicone ring 10 on the positioning posts 7 so that the upper part of the silicone ring 10 is in contact with the bottom of the PCBA mainboard 1, thereby stably and quickly installing the external connector 6 on the external connection area 3.

[0028] The structural setting of the quick-release mechanism facilitates the stable and rapid installation of the external connector 6 on the external connection area 3. When the electrical connection pin 8 is installed on the electrical connection groove 5, the lower part of the pin holder 12 is extended into the electrical connection groove 5. The lower part of the pin holder 12 is provided with an abutment surface, so that the abutment surface slides on the side groove of the electrical connection groove 5, so that the two pin holders 12 are retracted inward, and the spring 14 between the groove body 13 is compressed and deformed. The restoring force of the spring 14 makes the outer middle parts of the two pin holders 12 fit with the side grooves respectively. When the external connector 6 is removed from the external connection area 3, the two pin holders 12 are pressed inward, the spring 14 is compressed and deformed, and a gap appears between the two pin holders 12 and the side grooves of the electrical connection groove 5, and the external connector 6 can be pulled out.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An external charging pile PCBA board, comprising a PCBA main board (1) and a charging element (2) arranged on the PCBA main board (1), characterized in that: An external connection area (3) is provided above the PCBA mainboard (1), sockets (4) are provided at the four corners of the external connection area (3), a group of electrical connection slots (5) are provided on the external connection area (3), an external connector (6) is detachably provided on the external connection area (3), positioning columns (7) are provided at the four corners of the bottom of the external connector (6), a plurality of positioning columns (7) are adapted to the plurality of sockets (4), a group of electrical connection pins (8) are provided at the bottom of the external connector (6), a group of electrical connection pins (8) correspond to the positions of the electrical connection slots (5), and the electrical connection pins (8) are provided with a quick release mechanism.

2. The external charging pile PCBA board according to claim 1, characterized in that: A ring frame (9) is provided above the external connection area (3), and the lower side of the external connector (6) is in contact with the inner side of the ring frame (9).

3. The external charging pile PCBA board according to claim 1, characterized in that: A silicone ring (10) is detachably provided on the positioning column (7).

4. The external charging pile PCBA board according to claim 1, characterized in that: The electrical connection pins (8) include a pin plate (11) arranged at the bottom of the external connector (6), and a group of pin racks (12) are symmetrically arranged below the pin plate (11).

5. The external charging pile PCBA board according to claim 4, characterized in that: The quick-release mechanism comprises a groove body (13) provided on opposite surfaces of the two pin racks (12), a spring (14) is provided between the two groove bodies (13), a contact surface is provided at the lower portion of the pin rack (12), a group of side grooves are provided on the electrical connection groove (5), and the middle portions of the outer sides of the two pin racks (12) are respectively fitted with the side grooves.

6. The external charging pile PCBA board according to claim 1, characterized in that: Mainboard brackets (15) are detachably provided on both sides of the PCBA mainboard (1).

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