PDU power switching output board based on multipath flexible capacity expansion

Abstract

The utility model discloses a PDU power switching output board based on multipath flexible capacity expansion. The PDU power switching output board comprises a circuit board, an input interface, an output interface and a relay, the input interface, the output interface and the relay are arranged on the upper end surface of the circuit board; the number of the relays and the number of the input interfaces are both 12, and each relay is provided with one input interface. A first contact of each relay is connected with an input interface, second contacts of all relays are connected with an output interface, two ends of a coil of each relay respectively penetrate through the circuit board and extend out of the lower end face of the circuit board to form two pin ends, one of the two pin ends is used for connecting a power supply, and the other pin end is used for connecting a driving circuit; the current direction can be controlled by adjusting the corresponding relays according to use requirements, different power distribution is achieved, and the maximum power distribution after 12 paths of currents are superposed can be achieved at most. And welding after direct insertion connection with a subsequent driving circuit board is facilitated, welding positioning is facilitated, and the welding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PDU power switching output boards based on multi-channel flexible expansion, and in particular to a PDU power switching output board based on multi-channel flexible expansion. Background Art

[0002] PDU (Power Distribution Unit) is the abbreviation of high-voltage distribution box, and it is also the high-voltage power distribution unit in the high-voltage system solution of new energy vehicles.

[0003] Through busbars and wiring harnesses, high-voltage components are electrically connected to provide functions such as charge and discharge control, power-on control of high-voltage components, circuit overload and short-circuit protection, high-voltage sampling, and low-voltage control for the high-voltage system of new energy vehicles, and protect and monitor the operation of the high-voltage system.

[0004] PDU can also integrate functions such as BMS master control, charging module, DC module, and PTC control module. A large number of wires are used to connect the circuit boards in the existing PDU, resulting in crisscross wires inside the PDU, which affects heat dissipation and is not conducive to modular production. Moreover, the power output by the existing PDU is single, and it is difficult to distribute according to different usage requirements.

[0005] Therefore, in this utility model patent application, the applicant has carefully studied a PDU power switching output board based on multi-channel flexible expansion to solve the above problems. Summary of the Utility Model

[0006] In view of this, in view of the deficiencies of the existing technology, the main purpose of the present utility model is to provide a PDU power switching output board based on multi-channel flexible expansion, which can adjust the corresponding relay according to the usage requirements to control the direction of current, achieve different power distributions, and can achieve the maximum power distribution after superimposing 12 currents at most; it is also beneficial to directly plug and weld with the subsequent drive circuit board, which is convenient for welding positioning and improves welding efficiency.

[0007] To achieve the above purpose, the present utility model adopts the following technical solutions:

[0008] A PDU power switching output board based on multi-channel flexible expansion includes a circuit board, an input interface, an output interface, and a relay located between the input interface and the output interface and used to control the conduction or disconnection between the two;

[0009] The input interface, output interface, and relay are all arranged on the upper end surface of the circuit board;

[0010] There are 12 relays and 12 input interfaces respectively. Each relay is configured with an input interface, and all the input interfaces are respectively connected to the output interface through the corresponding relays;

[0011] The first contact of each relay is connected to an input interface, the second contacts of all the relays are connected to the output interface, and both ends of the coil of each relay pass through the circuit board and extend out of its lower end face to form two pin ends. One of the two pin ends is used to connect the power supply, and the other is used to connect the drive circuit.

[0012] As a preferred solution, the input interface is a first U-shaped member with an opening facing backward. The first U-shaped member has a first transverse portion, and a first longitudinal portion and a second longitudinal portion integrally connected to the left and right ends of the first transverse portion respectively;

[0013] The first transverse portion extends in the left-right direction, the first longitudinal portion and the second longitudinal portion both extend in the front-back direction, a first reinforcing plate is connected to the rear end face of the first transverse portion, and the first reinforcing plate is provided with a first mounting hole penetrating in its front-back direction, and the first mounting hole penetrates to the front end face of the first transverse portion.

[0014] As a preferred solution, the left and right ends of the first reinforcing plate are respectively connected to the first longitudinal portion and the second longitudinal portion.

[0015] As a preferred solution, the output interface is a second U-shaped member with an opening facing forward. The second U-shaped member has a second transverse portion, and a third longitudinal portion and a fourth longitudinal portion integrally connected to the left and right ends of the second transverse portion respectively;

[0016] The second transverse portion extends in the left-right direction, the third longitudinal portion and the fourth longitudinal portion both extend in the front-back direction, a second reinforcing plate is connected to the front end face of the second transverse portion, and the second reinforcing plate is provided with a second mounting hole penetrating in its front-back direction, and the second mounting hole penetrates to the rear end face of the second transverse portion.

[0017] As a preferred solution, the left and right ends of the second reinforcing plate are respectively connected to the third longitudinal portion and the fourth longitudinal portion.

[0018] As a preferred solution, the 12 input interfaces are arranged side by side at intervals in the left-right direction, the 12 relays are arranged side by side at intervals in the left-right direction, an input interface is arranged in front of each relay, and the output interface is located behind the 12 relays.

[0019] As a preferred solution, there are 5 output interfaces, and the 5 output interfaces are simultaneously used to connect the copper bars, and the second contacts of all the relays are connected to any one of the output interfaces.

[0020] As a preferred solution, the 5 output interfaces are arranged side by side at intervals in the left-right direction.

[0021] As a preferred solution, first support columns are connected to four corners of the lower end surface of the circuit board.

[0022] As a preferred solution, a second support column is arranged between the two first support columns on the left side, a third support column is arranged between the two first support columns on the right side, a fourth support column is arranged between the output interface and the first support column at the left rear corner, and a fifth support column is arranged between the output interface and the first support column at the right rear corner.

[0023] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, mainly through the cooperation of the output interface, 12 relays and 12 input interfaces, the corresponding relays can be adjusted according to the use requirements to control the current direction, achieve different power distributions, and the maximum can realize the maximum power distribution after the superposition of 12 paths of current. Moreover, both ends of the coil of each relay respectively pass through the circuit board and extend out of its lower end surface to form two pin ends, which is beneficial to directly plug and weld with the subsequent driving circuit board, facilitating welding positioning and improving welding efficiency.

[0024] Secondly, through the U-shaped structure design of the input interface and the output structure, the stability and reliability during use are ensured.

[0025] Furthermore, through multiple support columns, after being welded to the subsequent driving circuit board, it can be jointly installed with the subsequent driving circuit board in other places, which is beneficial to installation and ventilation and heat dissipation.

[0026] To more clearly illustrate the structural features and functions of the utility model, the following combines the drawings with specific embodiments to detail the utility model. Description of the Drawings

[0027] Figure 1 is the top view of the embodiment of the utility model;

[0028] Figure 2 is Figure 1 the enlarged structural schematic diagram at A in

[0029] Figure 3 is Figure 1 the enlarged structural schematic diagram at B in

[0030] Figure 4 is the bottom view of the embodiment of the utility model;

[0031] Figure 5 is the first cross-sectional structural schematic diagram of the embodiment of the utility model (mainly showing the first mounting holes);

[0032] Figure 6It is a schematic diagram of the second cross-sectional structure of an embodiment of the present utility model (mainly showing the second mounting hole);

[0033] Explanation of the attached drawing reference numerals:

[0034] 10. Circuit board

[0035] 11. First support post 12. Second support post

[0036] 13. Third support post 14. Fourth support post

[0037] 15. Fifth support post

[0038] 20. Input interface

[0039] 21. First horizontal part 22. First vertical part

[0040] 23. Second vertical part 24. First reinforcing plate

[0041] 25. First mounting hole

[0042] 30. Output interface

[0043] 31. Second horizontal part 32. Third vertical part

[0044] 33. Fourth vertical part 34. Second reinforcing plate

[0045] 35. Second mounting hole

[0046] 40. Relay 41. Pin end. Detailed implementation manner

[0047] Please refer to Figures 1 to 6 As shown, it shows the specific structure of an embodiment of the present utility model. A PDU power switching output board based on multi-channel flexible expansion includes a circuit board 10, an input interface 20, an output interface 30, and a relay 40 located between the input interface 20 and the output interface 30 and used to control the conduction or disconnection between the two.

[0048] In this embodiment, the input interface 20, the output interface 30, and the relay 40 are all arranged on the upper end surface of the circuit board 10. Four corners of the lower end surface of the circuit board 10 are connected with first support posts 11. A second support post 12 is arranged between the two first support posts 11 on the left side, a third support post 13 is arranged between the two first support posts 11 on the right side, a fourth support post 14 is arranged between the output interface 30 and the first support post 11 at the left rear corner, and a fifth support post 15 is arranged between the output interface 30 and the first support post 11 at the right rear corner.

[0049] In this embodiment, the input interface 20 is a first U-shaped member with an opening facing backward. The first U-shaped member has a first transverse portion 21 and first longitudinal portions 22 and second longitudinal portions 23 that are integrally connected to the left and right ends of the first transverse portion 21 respectively.

[0050] The first transverse portion 21 extends in the left-right direction. The first longitudinal portion 22 and the second longitudinal portion 23 both extend in the front-back direction. A first reinforcing plate 24 is connected to the rear end face of the first transverse portion 21. The left and right ends of the first reinforcing plate 24 are respectively connected to the first longitudinal portion 22 and the second longitudinal portion 23. The first reinforcing plate 24 is provided with a first mounting hole 25 penetrating in its front-back direction, and the first mounting hole 25 penetrates to the front end face of the first transverse portion 21.

[0051] Both the relay 40 and the input interface 20 are provided with 12. Each relay 40 is configured with an input interface 20, and all the input interfaces 20 are respectively connected to the output interface 30 through the corresponding relays 40.

[0052] Preferably, the 12 input interfaces 20 are arranged side by side at intervals in the left-right direction, the 12 relays 40 are arranged side by side at intervals in the left-right direction. An input interface 20 is arranged in front of each relay 40, and the output interface 30 is located behind the 12 relays 40.

[0053] The first contact of each relay 40 is connected to an input interface 20. The second contacts of all the relays 40 are all connected to the output interface 30. The two ends of the coil of each relay 40 respectively pass through the circuit board 10 and extend out of its lower end face to form two pin ends 41. Among the two pin ends, one is used to connect the power supply, and the other is used to connect the drive circuit.

[0054] In this embodiment, the output interface 30 is a second U-shaped member with an opening facing forward. The second U-shaped member has a second transverse portion 31 and third longitudinal portions 32 and fourth longitudinal portions 33 that are integrally connected to the left and right ends of the second transverse portion 31 respectively.

[0055] The second transverse portion 31 extends in the left-right direction. The third longitudinal portion 32 and the fourth longitudinal portion 33 both extend in the front-back direction. A second reinforcing plate 34 is connected to the front end face of the second transverse portion 31. The left and right ends of the second reinforcing plate 34 are respectively connected to the third longitudinal portion 32 and the fourth longitudinal portion 33. The second reinforcing plate 34 is provided with a second mounting hole 35 penetrating in its front-back direction, and the second mounting hole 35 penetrates to the rear end face of the second transverse portion 31.

[0056] There are 5 output interfaces 30, and the 5 output interfaces 30 are simultaneously used to connect the copper bars. The second contacts of all the relays 40 are all connected to any one of the output interfaces 30. The 5 output interfaces 30 are arranged side by side at intervals in the left-right direction.

[0057] The design focus of the present utility model lies in that, mainly through the cooperation of the output interface, 12 relays and 12 input interfaces, it can adjust the corresponding relays according to the usage requirements to control the current direction, achieve different power distributions, and the maximum can realize the maximum power distribution after the superposition of 12 currents; moreover, both ends of the coil of each relay respectively pass through the circuit board and extend out of its lower end surface to form two pin ends, which is conducive to directly plugging and welding with the subsequent driving circuit board, facilitating welding positioning and improving welding efficiency;

[0058] Secondly, through the U-shaped part structure design of the input interface and the output structure, the stability and reliability during use are ensured;

[0059] Furthermore, through multiple support columns, after being welded to the subsequent driving circuit board, it can be jointly installed with the subsequent driving circuit board in other places, which is conducive to installation and ventilation and heat dissipation.

[0060] As mentioned above, it is only a preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and decorations made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A PDU power switching output board based on multi-channel flexible capacity expansion, characterized in that: It includes a circuit board, an input interface, an output interface provided on the circuit board, and a relay located between the input interface and the output interface and used to control the conduction or disconnection between the two. The input interface, the output interface, and the relay are all provided on the upper end surface of the circuit board. There are 12 input interfaces and 12 relays. Each relay is configured with an input interface, and all the input interfaces are respectively connected to the output interface through the corresponding relays. The first contact of each relay is connected to an input interface, the second contacts of all the relays are connected to the output interface, and both ends of the coil of each relay respectively pass through the circuit board and extend out of its lower end surface to form two pin ends. One of the two pin ends is used to connect the power supply, and the other is used to connect the drive circuit.

2. The PDU power switching output board based on multi-channel flexible capacity expansion according to claim 1, wherein: The input interface is a first U-shaped member with an opening facing backward. The first U-shaped member has a first transverse portion, and a first longitudinal portion and a second longitudinal portion integrally connected to the left and right ends of the first transverse portion respectively. The first transverse portion extends in the left-right direction, the first longitudinal portion and the second longitudinal portion both extend in the front-back direction. A first reinforcing plate is connected to the rear end surface of the first transverse portion. The first reinforcing plate is provided with a first mounting hole extending in its front-back direction, and the first mounting hole penetrates to the front end surface of the first transverse portion.

3. The PDU power switching output board based on multi-channel flexible expansion according to claim 2, wherein: The left and right ends of the first reinforcing plate are respectively connected to the first longitudinal portion and the second longitudinal portion.

4. The PDU power switching output board based on multi-channel flexible capacity expansion according to claim 1, characterized in that: The output interface is a second U-shaped member with an opening facing forward. The second U-shaped member has a second transverse portion, and a third longitudinal portion and a fourth longitudinal portion integrally connected to the left and right ends of the second transverse portion respectively. The second transverse portion extends in the left-right direction, the third longitudinal portion and the fourth longitudinal portion both extend in the front-back direction. A second reinforcing plate is connected to the front end surface of the second transverse portion. The second reinforcing plate is provided with a second mounting hole extending in its front-back direction, and the second mounting hole penetrates to the rear end surface of the second transverse portion.

5. The PDU power switching output board based on multi-channel flexible expansion according to claim 4, characterized in that: The left and right ends of the second reinforcing plate are respectively connected to the third longitudinal portion and the fourth longitudinal portion.

6. The PDU power switching output board based on multi-channel flexible expansion according to claim 1, wherein: The 12 input interfaces are arranged side by side at intervals in the left-right direction, the 12 relays are arranged side by side at intervals in the left-right direction, an input interface is provided in front of each relay, and the output interface is located behind the 12 relays.

7. The PDU power switching output board based on multi-channel flexible expansion according to claim 1, characterized in that: There are 5 output interfaces, and the 5 output interfaces are simultaneously used to connect the copper busbar. The second contacts of all the relays are connected to any one of the output interfaces.

8. The PDU power switching output board based on multi-channel flexible capacity expansion according to claim 7, wherein: The 5 output interfaces are arranged side by side at intervals in the left-right direction.

9. The PDU power switching output board based on multi-channel flexible capacity expansion according to claim 1, wherein: First support columns are connected to the four corners of the lower end surface of the circuit board.

10. The PDU power switching output board based on multi-channel flexible expansion according to claim 9, characterized in that: A second support column is provided between the two first support columns on the left side, a third support column is provided between the two first support columns on the right side, a fourth support column is provided between the output interface and the first support column at the left rear corner, and a fifth support column is provided between the output interface and the first support column at the right rear corner.

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