PCBA board installation structure

Abstract

The utility model discloses a PCBA board installation structure, and relates to the technical field of charging guns. Comprising a charging gun head part, a PCBA circuit board and a fixing part, the charging gun head part is provided with a bottom surface platform, the bottom surface platform is provided with a slot, the PCBA circuit board is inserted into the slot, and the bottom surface platform is provided with a sinking table close to the slot. According to the PCBA board installation structure, the resistor needing to approach a circuit is integrated on the PCBA board, wires needing to be led out are connected to the PE wiring port, the CC1 wiring port and the CC2 wiring port respectively, in the later machining process, corresponding wiring can be directly conducted, a slot is reserved in the gun head portion, after the PCBA board is inserted and installed in place through the slot, the top face of the circuit board is kept flush with the sinking table, locking is conducted through the fixing piece, and therefore the PCBA board can be conveniently installed. Therefore, the PCBA board is ensured to be firmly fixed, the overall layout is reasonable and neat, the operability in the product assembling process is greatly facilitated, and meanwhile, the bad risk caused by crimping and practical sleeve wrapping of the product is also reduced.

Description

Technical Field

[0001] This utility model relates to the field of charging gun technology, specifically to a PCBA board mounting structure. Background Technology

[0002] Electric vehicles, as a type of new energy vehicle, have advantages such as energy saving and simple maintenance. They can replace traditional vehicles to solve energy shortages and environmental pollution problems. In daily life, electric vehicles are being used more and more widely, and the charging equipment such as charging guns used with them is also developing rapidly.

[0003] In standard DC charging guns, the resistor R2 connected to the control lead CC1 and the resistor R3 connected to CC2 are usually connected to the circuit by wires through copper strip crimping or soldering during product implementation. This makes the wiring inside the charging gun complex and messy, cumbersome to assemble, and affects assembly efficiency. Utility Model Content

[0004] This utility model provides a PCBA board mounting structure to solve the problems in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a PCBA board mounting structure, including a charging gun head, a PCBA circuit board, and a fixing component. The charging gun head has a bottom platform with a slot on the bottom platform. The PCBA circuit board is inserted into the slot. A countersunk platform is provided on the bottom platform near the slot, and a threaded hole is provided in the countersunk platform. The fixing component is threaded into the threaded hole, and its head end face is pressed against the PCBA circuit board. A retaining wall is provided on the bottom platform. The PCBA circuit board has a CC1 wiring hole, a CC2 wiring hole, and a PE wiring hole. A first resistor and a second resistor are provided on the PCBA circuit board. One pin of the first resistor and the second resistor are correspondingly soldered to the CC1 wiring hole and the CC2 wiring hole, and the other pin of the first resistor and the second resistor are soldered to the PE wiring hole.

[0006] Furthermore, the slots are located on both sides of the PCBA circuit board, and the recess is positioned close to one of the slots.

[0007] Furthermore, the bottom surface of the PCBA circuit board is in contact with the bottom platform, and its top surface is flush with the recessed platform.

[0008] Furthermore, the retaining walls are positioned near the slots and distributed on both sides of the PCBA circuit board.

[0009] Furthermore, the retaining wall is provided with a directional arrow, and the directional arrow is located on one of the retaining walls.

[0010] Furthermore, the fastener is a round-headed screw, with either a cross groove or a Torx groove on its head.

[0011] Compared with the prior art, the present invention provides a PCBA board mounting structure with the following advantages:

[0012] This PCBA board mounting structure integrates resistors that need to be close to the circuit onto the PCBA board. The wires that need to be led out are connected to the PE, CC1, and CC2 terminals respectively. In the later processing, the wires can be directly connected accordingly. There is a slot at the gun head, through which the PCBA board is inserted. After installation, the top surface of the circuit board is kept flush with the countertop, and the PCBA board is locked in place by fasteners, thus ensuring that the PCBA board is firmly fixed. The overall layout is reasonable and neat, which greatly facilitates the operation during product assembly and also reduces the risk of defects caused by crimping and the use of sleeves for covering. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is an exploded view of the present invention;

[0015] Figure 3 This is a schematic diagram of the PCBA circuit board structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the PCBA circuit board wiring of this utility model.

[0017] In the diagram: 1. Charging gun head; 101. Bottom platform; 102. Slot; 103. Recessed platform; 104. Threaded hole; 105. Retaining wall; 106. Direction indicator arrow; 2. PCBA circuit board; 201. CC1 wiring hole; 202. CC2 wiring hole; 203. PE wiring hole; 204. First resistor; 205. Second resistor; 3. Fixing component. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figures 1-3This utility model discloses a PCBA board mounting structure, including a charging gun head 1, a PCBA circuit board 2, and a fixing member 3. The charging gun head 1 has a bottom platform 101, and a slot 102 is provided on the bottom platform 101. The PCBA circuit board 2 is inserted into the slot 102. A countersunk platform 103 is provided on the bottom platform 101 near the slot 102, and a threaded hole 104 is provided in the countersunk platform 103. The fixing member 3 is threaded into the threaded hole 104, and its head end face is pressed against the PCBA circuit board 2. A retaining wall 105 is provided on the bottom platform 101. The PCBA circuit board 2 has a CC1 wiring hole 201, a CC2 wiring hole 202, and a PE wiring hole 203. A first resistor 204 and a second resistor 205 are provided on the PCBA circuit board 2. The resistors that need to be close to the circuit are integrated on the PCBA board, and the wires that need to be led out are connected to the PE, CC1, and CC2 terminals respectively. In the later processing, the wiring can be directly connected. A slot 102 is left at the gun head. The PCBA board is inserted through the slot 102. After installation, the top surface of the circuit board is kept flush with the countersunk platform 103 and locked with the fastener 3 to ensure that the PCBA board is firmly fixed. The overall layout is reasonable and neat, which greatly facilitates the operation during product assembly and also reduces the risk of defects caused by crimping and the use of sleeves. One pin of the first resistor 204 and the second resistor 205 are soldered to the CC1 terminal hole 201 and the CC2 terminal hole 202 respectively, and the other pin of the first resistor 204 and the second resistor 205 are soldered to the PE terminal hole 203.

[0020] Specifically, the slots 102 are located on both sides of the PCBA circuit board 2, and the recessed platform 103 is positioned close to one of the slots 102.

[0021] In this embodiment, a slot 102 is provided at the gun head, through which the PCBA board is inserted.

[0022] Specifically, the bottom surface of the PCBA circuit board 2 is in contact with the bottom platform 101, and its top surface is flush with the recessed platform 103.

[0023] In this implementation scheme, after the PCBA board is installed in place, the bottom platform 101 is used as a stop, and then the top surface of the circuit board is kept flush with the recessed platform 103.

[0024] Specifically, the retaining wall 105 is located near the slot 102 and is distributed on both sides of the PCBA circuit board 2.

[0025] In this implementation plan, the barrier wall 105 can isolate the area from the high-voltage zone, ensuring that electrical components are not damaged.

[0026] Specifically, the retaining wall 105 is provided with a direction indicator arrow 106, and the direction indicator arrow 106 is provided on one of the retaining walls 105.

[0027] In this embodiment, the direction indicator arrow 106 is used to indicate the insertion direction of the PCBA board, that is, vertically downward.

[0028] Specifically, the fixing component 3 is a round-headed screw, and its head is provided with either a cross groove or a Torx groove.

[0029] In this embodiment, the PCBA circuit board 2 is locked inside the charging gun head 1 by the fastener 3, thereby ensuring that the PCBA board is securely fixed.

[0030] When in use, the resistors that need to be close to the circuit are integrated on the PCBA board, and the wires that need to be led out are connected to the PE, CC1, and CC2 terminals respectively (PE represents the ground wire, CC1 is the charging pile connection confirmation signal, and CC2 is the vehicle charging connection confirmation signal). In the later processing, the corresponding wires can be directly connected. There is a slot 102 on the gun head. The PCBA board is inserted through the slot 102. After installation, keep the top surface of the circuit board flush with the recess 103 and lock it with the fastener 3 to ensure that the PCBA board is firmly fixed. The overall layout is reasonable and neat, which greatly facilitates the operation during product assembly and also reduces the adverse risks caused by crimping and the use of sleeves for covering.

[0031] In summary, this PCBA board mounting structure integrates resistors that need to be close to the circuit onto the PCBA board, and connects the wires that need to be led out to the PE, CC1, and CC2 terminals respectively. In the later processing, the wiring can be directly matched. A slot 102 is provided at the gun head, through which the PCBA board is inserted. After installation, the top surface of the circuit board is kept flush with the countersunk platform 103, and locked in place by the fastener 3, thereby ensuring that the PCBA board is firmly fixed. The overall layout is reasonable and neat, which greatly facilitates the operability in the product assembly process, and also reduces the adverse risks caused by crimping and the use of sleeve covering.

[0032] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A PCBA board mounting structure, comprising a charging gun head (1), a PCBA circuit board (2), and a fixing component (3), characterized in that: The charging gun head (1) is provided with a bottom platform (101), and a slot (102) is provided on the bottom platform (101). The PCBA circuit board (2) is inserted into the slot (102). A countersunk platform (103) is provided on the bottom platform (101) near the slot (102), and a threaded hole (104) is provided in the countersunk platform (103). The fixing member (3) is threaded into the threaded hole (104), and its head end face is pressed against the PCBA circuit board (2). A retaining wall is provided on the bottom platform (101). 105), the PCBA circuit board (2) is provided with CC1 wiring hole (201), CC2 wiring hole (202) and PE wiring hole (203), the PCBA circuit board (2) is provided with a first resistor (204) and a second resistor (205), one pin of the first resistor (204) and the second resistor (205) are respectively soldered to the CC1 wiring hole (201) and the CC2 wiring hole (202), and the other pin of the first resistor (204) and the second resistor (205) is soldered to the PE wiring hole (203).

2. The PCBA board mounting structure according to claim 1, characterized in that: The slots (102) are located on both sides of the PCBA circuit board (2), and the recess (103) is positioned close to one of the slots (102).

3. The PCBA board mounting structure according to claim 1, characterized in that: The bottom surface of the PCBA circuit board (2) is in contact with the bottom platform (101), and its top surface is flush with the sink platform (103).

4. The PCBA board mounting structure according to claim 1, characterized in that: The retaining wall (105) is located near the slot (102) and is distributed on both sides of the PCBA circuit board (2).

5. The PCBA board mounting structure according to claim 1, characterized in that: The retaining wall (105) is provided with a direction indicator arrow (106), and the direction indicator arrow (106) is located on one of the retaining walls (105).

6. The PCBA board mounting structure according to claim 1, characterized in that: The fastener (3) is a round-head screw with either a cross groove or a Torx groove on its head.

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