Drive motor controller

Abstract

The utility model discloses a driving motor controller which comprises a base, the outer surface is provided with a heat dissipation part, the inner surface is provided with a power circuit board, the power circuit board is respectively connected with a control circuit board and a capacitor installation board, and the capacitor installation board is connected with the control circuit board. The control circuit board and the capacitor mounting plate are respectively arranged on the power circuit board at intervals through supporting pieces, a plurality of capacitors are mounted on the capacitor mounting plate, and a signal interface mounting seat, a power input interface mounting seat and a power output interface mounting seat are integrally arranged on the base. According to the scheme, the driving motor controller has a high space utilization rate, the installation stability of the interface and the internal elements is good, and the heat dissipation performance is good.

Description

Technical Field

[0001] The utility model relates to the field of motor controllers, in particular to a driving motor controller. Background Art

[0002] Existing motor controllers are gradually developing towards high integration and high safety. While ensuring the installation integration of various electrical components inside the controller, its heat dissipation performance and the assembly stability of various components and interfaces of the controller are also particularly important.

[0003] In the prior art, some capacitors in the controller are directly fixed on the power circuit board by surface pasting. For example, the utility model patent with the authorization publication number CN207040114U discloses a high-power vehicle-mounted motor controller, including a controller housing, a radiator, a power circuit board, a control circuit board, fixing columns, phase line conducting columns, power supply conducting columns, energy storage filter capacitors and current sensors. The power supply conducting columns and the energy storage filter capacitors are both arranged on the power circuit board, and fixing the capacitors on the power circuit board can ensure the stability of the capacitor fixation. However, the capacitors are directly installed on the power circuit board. On the one hand, they are easily affected by the heating elements on the power circuit board, resulting in overheating and being not conducive to the heat dissipation of the capacitors.

[0004] In addition, in the prior art, some interfaces of the controller are arranged on the end cover of the controller or are fixedly connected to the controller substrate through connecting joints, but during long-term use, it is easy to cause the interfaces to loosen or even break off, thus affecting the operation of the controller. Summary of the Utility Model

[0005] Therefore, to solve the above problems, the utility model provides a driving motor controller.

[0006] The utility model is realized through the following technical solutions:

[0007] A driving motor controller includes a base. A heat dissipation part is arranged on the outer surface, and a power circuit board is arranged on the inner surface. A control circuit board and a capacitor mounting board are respectively connected to the power circuit board. The control circuit board and the capacitor mounting board are respectively arranged on the power circuit board at intervals through support members. A plurality of capacitors are mounted on the capacitor mounting board. A signal interface mounting seat, a power input interface mounting seat and a power output interface mounting seat are integrally arranged on the base. The signal interface mounting seat, the power input interface mounting seat and the power output interface mounting seat are all vertically arranged at the edge of the inner surface of the base. The signal interface is arranged on the signal interface mounting seat, the power input interface is arranged on the power input interface mounting seat, and the power output interface is arranged on the power input interface mounting seat.

[0008] Preferably, a plurality of terminal posts are provided on the capacitor mounting board, one end of each terminal post is connected to the capacitor mounting board, and the other end is fixed on the power circuit board.

[0009] Preferably, capacitor mounting holes are provided on the capacitor mounting board, and the capacitors are plugged on the capacitor mounting board through the capacitor mounting holes, and the pins of the capacitors are exposed at the bottom of the capacitor mounting board.

[0010] Preferably, hollow insulating columns are vertically provided at the four corners of the control circuit board, screws are inserted into the hollow insulating columns, and the control circuit board is fixed on the base through the screws.

[0011] Preferably, the heat dissipation part on the outer surface of the base includes multiple rows of parallel heat dissipation fins, and heat dissipation channels are formed between adjacent heat dissipation fins.

[0012] Preferably, a end cover is further provided on one side of the inner surface of the base, and avoidance holes for avoiding the signal interface mounting seat, the power input interface mounting seat and the power output interface mounting seat are respectively provided on the outer periphery of the end cover.

[0013] Preferably, a plurality of screw holes are provided at the edge of the base, a plurality of connecting columns are provided at the edge of the end cover, the screw holes and the connecting columns correspond to each other one by one, and are fixed by bolts.

[0014] The beneficial effects of the technical solution of the present utility model are mainly reflected in:

[0015] 1. The control circuit board and the capacitor mounting board are both spaced apart on the power circuit board through support members, so that a heat dissipation distance is formed between the control circuit board and the power circuit board, and between the capacitor mounting board and the power circuit board, avoiding the heating elements on the power circuit board being too close to the capacitors. On the premise of ensuring the high integration of the controller, it can also ensure the rapid heat dissipation of each component inside the controller. At the same time, the power circuit board is directly fixed on the inner surface of the substrate, and a heat dissipation part is also provided on the outer surface of the substrate to further help the power circuit board dissipate heat.

[0016] 2. The signal interface mounting seat, the power input interface mounting seat and the power output interface mounting seat are integrally provided on the side of the substrate. At the same time, the signal interface, the power input interface and the power output interface are respectively fixed on their corresponding mounting seats, thereby ensuring the stability and firmness of the assembly of each interface and avoiding the loosening of the interfaces during long-term use. Description of the Drawings

[0017] Figure 1 is a three-dimensional view of the drive motor controller;

[0018] Figure 2It is a schematic diagram of the internal structure of the drive motor controller from the first perspective;

[0019] Figure 3 It is a schematic diagram of the internal structure of the drive motor controller from the second perspective;

[0020] Figure 4 It is a top view of the drive motor controller (the end cover is omitted at this time);

[0021] Figure 5 It is a front view of the drive motor controller (the end cover is omitted at this time). Detailed implementation manners

[0022] To clearly and detailedly show the purpose, advantages and features of the present utility model, it will be illustrated and explained through the non-restrictive description of the following preferred embodiments. This embodiment is only a typical example of applying the technical solution of the present utility model, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of protection required by the present utility model.

[0023] At the same time, it is declared that in the description of the solution, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of description and simplification of the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0024] In addition, the terms "first" and "second" in this solution are only used for descriptive purposes, and cannot be understood as indicating or implying the ranking of importance, or implicitly indicating the quantity of the indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the present utility model, the meaning of "multiple" is two or more, unless otherwise specifically defined.

[0025] The present utility model discloses a drive motor controller, including a base 1, a heat dissipation part is provided on the outer surface, a power circuit board 2 is provided on the inner surface, a control circuit board 3 and a capacitor mounting board 4 are respectively connected to the power circuit board 2, and the control circuit board 3 and the capacitor mounting board 4 are respectively spaced apart on the power circuit board 2 by support members, so that a heat dissipation distance is formed between the control circuit board 3 and the power circuit board 2, and between the capacitor mounting board 4 and the power circuit board 2, which is beneficial to the heat dissipation of each heating element inside the controller. A plurality of capacitors 11 are mounted on the capacitor mounting board 4 to ensure that the capacitors 11 are not directly mounted on the power circuit board 2, which can avoid the heating elements on the power circuit board 2 from affecting the capacitors 11.

[0026] A signal interface mounting seat 8, a power input interface mounting seat 9 and a power output interface mounting seat 10 are integrally provided on the base 1 to ensure the stability of the assembly of each interface. The signal interface mounting seat 8, the power input interface mounting seat 9 and the power output interface mounting seat 10 are all vertically arranged at the edge of the inner surface of the base 1. Specifically, the positions of the signal interface mounting seat 8, the power input interface mounting seat 9 and the power output interface mounting seat 10 can be arranged according to the positions of the corresponding components on the power circuit board 2 and the control circuit board 3. In a preferred embodiment, the signal interface mounting seat 8, the power input interface mounting seat 9 and the power output interface mounting seat 10 are respectively located on different sides of the substrate to ensure that the wiring at each interface does not interfere with each other. The signal interface 5 is arranged on the signal interface mounting seat 8, the power input interface 6 is arranged on the power input interface mounting seat 9, and the power output interface 7 is arranged on the power input interface mounting seat 9.

[0027] In some embodiments, a plurality of wiring posts 13 are provided on the capacitor mounting plate 4. One end of the wiring post 13 is connected to the capacitor mounting plate 4, and the other end is fixed on the power circuit board 2. Capacitor mounting holes are provided on the capacitor mounting plate 4, and the capacitor 11 is inserted into the capacitor mounting plate 4 through the capacitor mounting holes, and the pins 1101 of the capacitor 11 are exposed at the bottom of the capacitor mounting plate 4.

[0028] Hollow insulating columns 14 are vertically provided at the four corners of the control circuit board 3. One end of the hollow insulating column 14 is connected to the control circuit board 3, and the other end is connected to the base 1. Specifically, screws are inserted into the hollow insulating columns 14, and the control circuit board 3 is fixed on the base 1 through the screws. The height of the hollow insulating column 14 is greater than the height of the wiring post 13, so that the assembly height of the capacitor mounting plate 4 is less than the assembly height of the control circuit board 3, thereby providing an assembly space for the capacitor 11 on the capacitor mounting plate 4, improving the space utilization rate, and ensuring the high integration of the controller.

[0029] In some embodiments, the heat dissipation part on the outer surface of the base 1 includes multiple rows of parallel heat dissipation fins 12, and heat dissipation channels are formed between adjacent heat dissipation fins 12, further improving the heat dissipation effect of the power circuit board 2 located on the inner surface of the base 1.

[0030] In some embodiments, an end cover 15 is further provided on one side of the inner surface of the base 1, and avoidance holes are respectively provided on the outer periphery of the end cover 15 for avoiding the signal interface mounting seat 8, the power input interface mounting seat 9 and the power output interface mounting seat 10. The avoidance holes match the shapes of the corresponding mounting seats to ensure that each installed interface is exposed outside the end cover 15. A plurality of screw holes 101 are provided at the edge of the base 1, and a plurality of connecting columns 1501 are provided at the edge of the end cover 15. The screw holes 101 correspond to the connecting columns 1501 one by one and are fixed by bolts 16. In a preferred embodiment, the number of screw holes 101 on each side of the base 1 is the same, further ensuring the stability of the assembly of the controller.

[0031] There are many implementation methods for the present utility model, and all technical solutions formed by equivalent transformation or equivalent transformation fall within the protection scope of the present utility model.

Claims

1. Drive motor controller, characterized by: It includes a base, a heat dissipation portion is provided on the outer surface of the base, and a power circuit board is provided on the inner surface, a control circuit board and a capacitor mounting plate are respectively connected to the power circuit board, the control circuit board and the capacitor mounting plate are respectively arranged on the power circuit board through support members, and a number of capacitors are installed on the capacitor mounting plate, a signal interface mounting seat, a power input interface mounting seat and a power output interface mounting seat are integrally provided on the base, the signal interface mounting seat, the power input interface mounting seat and the power output interface mounting seat are all vertically arranged at the edge of the inner surface of the base, the signal interface is arranged on the signal interface mounting seat, the power input interface is arranged on the power input interface mounting seat, and the power output interface is arranged on the power input interface mounting seat.

2. The drive motor controller according to claim 1, characterized in that: A plurality of binding posts are provided on the capacitor mounting plate, one end of each binding post is connected to the capacitor mounting plate, and the other end is fixed on the power circuit board.

3. The drive motor controller according to claim 2, wherein: The capacitor mounting plate is provided with a capacitor mounting hole, the capacitor is plugged into the capacitor mounting plate through the capacitor mounting hole, and the pins of the capacitor are exposed at the bottom of the capacitor mounting plate.

4. The drive motor controller according to claim 1, wherein: Hollow insulating pillars are vertically arranged at the four corners of the control circuit board. Screws are passed through the hollow insulating pillars, and the control circuit board is fixed to the base through the screws.

5. The drive motor controller according to claim 1, wherein: The heat dissipation portion on the outer surface of the base includes a plurality of rows of heat dissipation fins arranged in parallel, and heat dissipation channels are formed between adjacent heat dissipation fins.

6. The drive motor controller according to claim 1, characterized in that: It also includes an end cover arranged on one side of the inner surface of the base, and the outer periphery of the end cover is respectively provided with avoidance holes for avoiding the signal interface mounting seat, the power input interface mounting seat and the power output interface mounting seat.

7. The drive motor controller according to claim 6, characterized in that: A plurality of screw holes are provided at the edge of the base, and a plurality of connecting columns are provided at the edge of the end cover. The screw holes correspond to the connecting columns one by one and are fixed by bolts.

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