Supporting structure of electric vehicle charging control box

Abstract

A supporting structure of an electric automobile charging control box comprises a control box shell, an electronic device, a first injection molding body, a second injection molding body, a first electric energy transmission busbar and a second electric energy transmission busbar. The first electric energy transmission busbar, the second electric energy transmission busbar and the electronic device are located in the control box shell; the first electric energy transmission busbar is at least partially injection-molded in the first injection molding body; the second electric energy transmission busbar is at least partially injection-molded in the second injection-molded body; the first injection molding body and the second injection molding body are provided with first clamping structures which are clamped to form a supporting frame used for surrounding the electronic device. And the first injection molding body and the second injection molding body are respectively used as insulators of the first electric energy transmission busbar and the second electric energy transmission busbar. And meanwhile, the first injection molding body and the second injection molding body are clamped together through the first clamping structure to form the supporting frame, and the supporting frame is arranged around the electronic device and can support the charging box shell, so that the electronic device is protected. The supporting frame can surround the circuit board at the same time, and the function of protecting the circuit board is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle charging, in particular to a supporting structure of an electric vehicle charging control box. Background Art

[0002] With the rapid development of new energy vehicles, the use of charging gun control boxes is becoming more and more popular. Various electronic devices are arranged in the charging gun control box, such as relays, current sensors and leakage sensors, etc. It is necessary to prevent external pressure from squeezing the control box and causing damage to various electronic devices. However, the overall structure of the charging gun control box is becoming more and more compact, and it is difficult to set additional supporting structures to maintain the overall strength of the charging gun control box. Therefore, a new solution is urgently needed in the prior art to solve the above problems. Utility Model Content

[0003] The utility model provides a supporting structure of an electric vehicle charging control box, comprising a control box housing, an electronic device, a first injection molded body, a second injection molded body, a first power transmission busbar, and a second power transmission busbar;

[0004] The first power transmission busbar, the second power transmission busbar and the electronic device are located in the control box housing;

[0005] The first power transmission busbar is at least partially injection-molded in the first injection-molded body;

[0006] The second power transmission busbar is at least partially injection-molded in the second injection-molded body;

[0007] The first injection molded body and the second injection molded body are provided with a first clamping structure to clamp together to form a support frame for surrounding the electronic device.

[0008] It also includes a transmission terminal connected to the first power transmission busbar, and the transmission terminal is at least partially injection-molded in the first injection-molded body.

[0009] The electronic device includes a relay, and the first transmission busbar and the second transmission busbar are respectively connected to an input end and an output end of the relay.

[0010] The electronic device includes a current sensor having a through hole, and the second transmission busbar passes through the through hole.

[0011] It also includes a signal transmission busbar, which is at least partially injection-molded in the first injection-molded body or the second injection-molded body.

[0012] The first injection molded body and the second injection molded body are both provided with a second clamping structure connected with the control box housing.

[0013] The first injection-molded body or the second injection-molded body forms at least one cavity for arranging the electronic device.

[0014] The first molded body and the second molded body have a fixing portion that fixes the electronic component.

[0015] The control box housing comprises an upper housing and a lower housing, the upper surface of the support frame abuts against the upper housing, and the lower housing has a mounting portion for supporting the support frame.

[0016] A circuit board is arranged in the control box housing, the first power transmission busbar and the second power transmission busbar are electrically connected to the circuit board, and the support frame surrounds the circuit board.

[0017] The utility model has the following beneficial effects: the first injection molded body and the second injection molded body are used as insulators of the first power transmission busbar and the second transmission busbar, respectively. At the same time, the first injection molded body and the second injection molded body are clamped together by the first clamping structure to form a support frame, which is arranged around the electronic device to support the charging box housing, thereby protecting the electronic device. The support frame can also surround the circuit board at the same time to protect the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 The utility model is a structural schematic diagram of a support structure of an electric vehicle charging control box.

[0020] Figure 2 This is a schematic diagram of a first power transmission busbar and a second power transmission busbar of a supporting structure of an electric vehicle charging control box according to the utility model.

[0021] Figure 3 The utility model is a schematic diagram of an upper shell and a lower shell of a supporting structure of an electric vehicle charging control box.

[0022] Figure 4 This is a schematic diagram of the fixing part of the supporting structure of an electric vehicle charging control box according to the utility model.

[0023] The reference numerals in the figures indicate:

[0024] 1-control box housing, 2-electronic device, 21-relay, 22-current sensor, 3-first injection molded body, 31-cavity, 4-second injection molded body, 41-fixing part, 5-first power transmission busbar, 6-second power transmission busbar, 7-support frame, 8-transmission terminal, 9-signal transmission busbar, 11-upper housing, 12-lower housing, 121-support part, 13-circuit board, 100-first clamping structure, 200-second clamping structure. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] A supporting structure for an electric vehicle charging control box, such as Figure 1-Figure 4 As shown, it includes a control box housing 1, an electronic device 2, a first injection molded body 3, a second injection molded body 4, a first power transmission busbar 5 and a second power transmission busbar 6;

[0027] The first power transmission busbar 5, the second power transmission busbar 6 and the electronic device 2 are located in the control box housing 1;

[0028] The first power transmission busbar 5 is at least partially injection-molded in the first injection-molded body 3;

[0029] The second power transmission busbar 6 is at least partially injection-molded in the second injection-molded body 4;

[0030] The first injection molded body 3 and the second injection molded body 4 are provided with a first clamping structure 100 to clamp together to form a support frame 7 for surrounding the electronic device 2 .

[0031] When charging an electric vehicle, a charging pile will be equipped with a charging control box on the charging gun, and various electronic devices 2 are arranged in the charging box housing 1. Figure 2 As shown, the first power transmission busbar 5 and the second transmission busbar 6 are used for power transmission. In order to prevent short circuit, Figure 1 As shown, the first injection molded body 3 and the second injection molded body 4 are respectively used as insulators of the first power transmission busbar 5 and the second transmission busbar 6. At the same time, the first injection molded body 3 and the second injection molded body 4 are clamped together by the first clamping structure 100 to form a support frame 7, and the support frame 7 is arranged around the electronic device 2 to support the charging box housing 1, thereby protecting the electronic device 2.

[0032] In some embodiments, a transmission terminal 8 connected to the first power transmission busbar 5 is further included, and the transmission terminal 8 is at least partially injection-molded in the first injection-molded body 3. The portion of the transmission terminal 8 connected to the first power transmission busbar 5 is located in the first injection-molded body 3, which can achieve a stable connection and prevent short circuit caused by contact with other devices.

[0033] In some embodiments, the electronic device 2 includes a relay 21, and the first transmission busbar 5 and the second transmission busbar 6 are respectively connected to the input end and the output end of the relay 21. The relay 21 can realize current conduction of the first transmission busbar 5 and the second transmission busbar 6 under the action of the control instruction.

[0034] In some embodiments, the electronic device 2 includes a current sensor 22, and the second transmission busbar 6 passes through the current sensor 22. The current sensor 22 is a Hall current sensor, which can detect the current passing through the busbar without being connected to the busbar, so as to facilitate the understanding of electrical transmission information and respond in time when the current is abnormal.

[0035] In some embodiments, a signal transmission busbar 9 is further included, and the signal transmission busbar 9 is at least partially injection-molded in the first injection-molded body 3 or the second injection-molded body 4. The first injection-molded body 3 or the second injection-molded body 4 can support the signal transmission busbar 9 and prevent it from being electrically connected to other devices.

[0036] In some embodiments, the first injection molded body 3 and the second injection molded body 4 are both provided with a second clamping structure 200 connected to the control box housing 1. The clamping of the first injection molded body 3 and the second injection molded body 4 with the control box housing 1 can make the overall structure of the charging control box more solid, not only the first injection molded body 3 and the second injection molded body 4 are not easy to shake, but also can help the control box housing 1 resist external pressure.

[0037] In some embodiments, the first injection molded body 3 or the second injection molded body 4 forms at least one cavity 31 for arranging the electronic device. The periphery of the cavity 31 is supported by the first injection molded body 3 or the second injection molded body 4, and the electronic device 2 can be arranged in the cavity 31.

[0038] In some embodiments, the first injection molded body 3 and the second injection molded body 4 have a fixing portion 41 for fixing the electronic device 2. Figure 4 As shown, the fixing portion 41 can stably arrange the electronic device 2 in the cavity 31 without shaking.

[0039] In some embodiments, the control box housing 1 includes an upper housing 11 and a lower housing 12. Figure 3As shown, the upper surface of the support frame 7 abuts against the upper shell 1, and the lower shell 12 has a mounting portion 121 for supporting the support frame 7. The support frame 7 is arranged on the mounting portion 121, so that the support frame 7 obtains a stable installation state, and the upper surface supports the upper shell 11 to improve the strength of the entire control box shell 1.

[0040] In some embodiments, a circuit board 13 is disposed in the control box housing 1, the first power transmission busbar 5 and the second power transmission busbar 6 are electrically connected to the circuit board 13, and the support frame 7 surrounds the circuit board 13. The support frame 7 surrounds the circuit board 13 to prevent other devices from pressing on the circuit board 13, thereby protecting the circuit board 13.

[0041] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A supporting structure for an electric vehicle charging control box, characterized in that: It includes a control box housing, an electronic device, a first injection molded body, a second injection molded body, a first power transmission busbar and a second power transmission busbar; The first power transmission busbar, the second power transmission busbar and the electronic device are located in the control box housing; The first power transmission busbar is at least partially injection-molded in the first injection-molded body; The second power transmission busbar is at least partially injection-molded in the second injection-molded body; The first injection molded body and the second injection molded body are provided with a first clamping structure to clamp together to form a support frame for surrounding the electronic device.

2. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: It also includes a transmission terminal connected to the first power transmission busbar, and the transmission terminal is at least partially injection-molded in the first injection-molded body.

3. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: The electronic device comprises a relay, and the first power transmission busbar and the second power transmission busbar are respectively connected to an input end and an output end of the relay.

4. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: The electronic device includes a current sensor having a through hole, and the second power transmission busbar passes through the through hole.

5. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: It also includes a signal transmission busbar, which is at least partially injection-molded in the first injection-molded body or the second injection-molded body.

6. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: The first injection molded body and the second injection molded body are both provided with a second clamping structure connected with the control box housing.

7. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: The first injection-molded body or the second injection-molded body forms at least one cavity for arranging the electronic device.

8. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: The first molded body and the second molded body have a fixing portion that fixes the electronic component.

9. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: The control box housing comprises an upper housing and a lower housing, the upper surface of the support frame abuts against the upper housing, and the lower housing has a mounting portion for supporting the support frame.

10. The supporting structure of the electric vehicle charging control box according to claim 1, characterized in that: A circuit board is arranged in the control box housing, the first power transmission busbar and the second power transmission busbar are electrically connected to the circuit board, and the support frame surrounds the circuit board.

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