Dual-motor controller structure
By designing a dual motor controller structure, sharing aluminum substrate and capacitor plate, integrating two controllers, and using silicone pads and silicon grease layers for protection, the complex installation and high cost of existing motor control systems are solved, and the cost is achieved Reduction and performance improvement.
Patent Information
- Application Number
- CN202421101949.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The existing motor control system requires multiple controller units when controlling two or more motors, which are complicated to install, take up a large space, and have high production costs and material costs.
Design a dual motor controller structure, including a heat dissipation base plate, an aluminum substrate, a capacitor plate and a control board, and integrate the two controllers by sharing the aluminum substrate and a capacitor plate, and use silicone pads and silicone grease layer for waterproofing and dustproof treatment. , the power busbar uses 6063 aluminum alloy material.
The integrated controller is realized, which reduces R&D, production and material costs, reduces the space required for installation, and improves waterproof and dustproof performance to reach IP65 level.
Smart Images
Figure CN222356225U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor control, in particular to a dual-motor controller structure. Background Art
[0002] At present, the known motor control systems all have one control unit controlling one motor. If two or more motors are to be controlled, multiple controller units need to be assembled into a system for use. The system controls the motors through the coordination of software between control boards. However, the installation steps of the control system are cumbersome, the space occupied is large, and the production cost and material cost are high. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a dual-motor controller structure to solve the problem raised in the background technology.
[0004] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.
[0005] A dual-motor controller structure comprises a heat dissipation base plate and a shell which is buckled on the heat dissipation base plate to form an internal installation space; a first control board, a second control board, an aluminum substrate and a capacitor plate are arranged in the internal installation space; the aluminum substrate is arranged on the inner surface of the heat dissipation base plate, the capacitor plate is arranged above the aluminum substrate, the first control board and the second control board are arranged horizontally side by side above the capacitor plate and are connected to the aluminum substrate and the capacitor plate through wiring and pins; six second power buses which are arranged side by side from left to right and whose top ends pass through the aluminum substrate, the capacitor plate and the shell in turn and are connected to the aluminum substrate to serve as the first control board and the second control board terminals are arranged vertically upward on the inner surface of the heat dissipation base plate; two third power buses which are connected to the capacitor plate and are used for external positive and negative power supply are arranged between the aluminum substrate and the capacitor plate; a plurality of first power buses which pass through the aluminum substrate and the capacitor plate and connect the positive and negative power supply of the aluminum substrate and the capacitor plate to transmit the power supply of the capacitor plate to the aluminum substrate are also arranged vertically upward on the inner surface of the heat dissipation base plate.
[0006] Preferably, the three second power buses on the left side serve as the U-phase, V-phase and W-phase terminals of the first control board from left to right, and the three second power buses on the right side serve as the U-phase, V-phase and W-phase terminals of the second control board from left to right.
[0007] Preferably, the connection terminals of the two third power busbars are both extended out of the housing and are arranged side by side in a transverse direction parallel to the second power busbars.
[0008] Preferably, a silicone grease layer which is beneficial to heat conduction and waterproofing is applied between the heat dissipation bottom plate and the aluminum substrate.
[0009] Preferably, a silicone pad for waterproofing and dustproofing is provided between the heat dissipation base plate and the buckling surface of the housing.
[0010] Preferably, silicone gaskets for waterproofing and dustproofing are provided at the connection points between the second power bus and the third power bus and the housing.
[0011] Preferably, the first power bus, the second power bus and the third power bus are all power buses made of 6063 aluminum alloy.
[0012] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.
[0013] The utility model integrates two controllers into a dual-controller structure by sharing an aluminum substrate and a capacitor plate. The control board is adapted to control boards of different power models, thereby reducing research and development costs. At the same time, the power part of the system assembled by the two controllers is integrated into the aluminum substrate and the capacitor plate, which is easy to install, reduces production costs and material costs, realizes overall controller integration, and reduces the space required for installation.
[0014] The utility model has better waterproof and dustproof performance by arranging silicone pads, silicone grease layers and silicone washers, and can achieve IP65 waterproof and dustproof grade. At the same time, on the basis of meeting the performance of the controller, the power bus adopts 6063 aluminum alloy material, which has good conductivity and low price, so that the overall controller saves production materials and installation costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the internal structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the third power bus arrangement of the utility model;
[0017] Figure 3 It is a schematic diagram of the external structure of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the first power bus of the utility model;
[0019] Figure 5 It is a structural schematic diagram of the second power bus of the utility model;
[0020] Figure 6 It is a schematic structural diagram of the third power bus of the utility model.
[0021] Wherein: 1. housing, 2a. first control board, 2b. second control board, 3. first power bus, 4. aluminum substrate, 5. capacitor plate, 6. heat dissipation base plate, 7. second power bus, 8. copper hexagonal prism, 9. third power bus, 10. silicone gasket. DETAILED DESCRIPTION
[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.
[0023] A dual motor controller structure, combined with Figures 1 to 3 As shown, it includes a heat dissipation base plate 6 and a shell 1, the shell 1 is buckled on the heat dissipation base plate 6 to form an internal installation space, and a silicone pad is arranged between the buckling surfaces of the heat dissipation base plate 6 and the shell 1 to achieve waterproof and dustproof.
[0024] A first control board 2a, a second control board 2b, an aluminum substrate 4 and a capacitor plate 5 are arranged in the internal installation space, wherein the aluminum substrate 4 is arranged on the inner surface of the heat dissipation base plate 6, and a silicone grease layer is coated between the heat dissipation base plate 6 and the aluminum substrate 4, so as to facilitate heat conduction and waterproofing, a MOS tube is installed on the aluminum substrate 4, and the aluminum substrate 4 and the heat dissipation base plate 6 dissipate heat together; the capacitor plate 5 is arranged above the aluminum substrate 4; the first control board 2a and the second control board 2b are arranged side by side horizontally above the capacitor plate 5, and the first control board 2a and the second control board 2b are connected to the aluminum substrate 4 and the capacitor plate 5 through wiring and pins.
[0025] Six second power buses 7 are vertically arranged on the inner surface of the heat dissipation base plate 6. The second power buses 7 are arranged side by side from left to right and the top ends pass through the aluminum substrate 4, the capacitor plate 5 and the housing 1 in sequence and are connected to the aluminum substrate 4. The six second power buses 7 are used as the terminals of the first control board 2a and the second control board 2b, wherein the three second power buses 7 on the left side are used as the U phase, V phase and W phase terminals of the first control board 2a from left to right; the three second power buses 7 on the right side are used as the U phase, V phase and W phase terminals of the second control board 2b from left to right. The six second power buses 7 are used as terminals for externally connecting two motors. When the first control board 2a and the second control board 2b send control signals to the aluminum substrate 4 respectively, the aluminum substrate 4 is connected to the motors through the three second power buses 7 on the left side and the three second power buses 7 on the right side according to the control signals of the first control board 2a and the second control board 2b, thereby controlling the running state of the motors.
[0026] Two third power buses 9 are arranged between the aluminum substrate 4 and the capacitor plate 5. The two third power buses 9 are connected to the capacitor plate 5. The connection terminals of the two third power buses 9 are both passed through the housing 1 and are arranged horizontally side by side in parallel with each second power bus 7. The two third power buses 9 are used for external positive and negative power sources, thereby realizing power supply. A plurality of first power buses 3 are also arranged vertically upward on the inner surface of the heat dissipation base plate 6. Specifically, there are seven first power buses 3 arranged alternately with the six second power buses 7. The first power buses 3 pass through the aluminum substrate 4 and the capacitor plate 5 and connect the positive and negative power sources of the aluminum substrate 4 and the capacitor plate 5, thereby transmitting the power of the capacitor plate 5 to the aluminum substrate 4.
[0027] Silicone gaskets 10 are provided at the connection points between the second power bus 7 and the third power bus 9 and the housing 1, so as to achieve waterproof and dustproof properties.
[0028] The structures of the first power bus 3, the second power bus 7 and the third power bus 9 are as follows: Figures 4 to 6 As shown, all are made of 6063 aluminum alloy material, which has good conductivity and low price, so that the overall controller saves production materials and installation costs.
[0029] In terms of overall installation, the first control board 2a and the second control board 2b are installed on the heat dissipation base plate 6 through copper hexagonal prisms 8; the aluminum base plate 4, the capacitor plate 5, the first power bus 3, the second power bus 7 and the third power bus 9 are respectively installed on the heat dissipation base plate 6 by screws.
[0030] The utility model integrates two controllers into a dual-controller structure by sharing an aluminum substrate 4 and a capacitor plate 5. The control board is adapted to control boards of different power models, thereby reducing research and development costs. At the same time, the power part of the system assembled by the two controllers is integrated into the aluminum substrate 4 and the capacitor plate 5, which is easy to install, reduces production costs and material costs, realizes overall controller integration, and reduces the space required for installation.
Claims
1. A dual motor controller structure, characterized in that: The invention comprises a heat dissipation base plate (6) and a housing (1) which is buckled on the heat dissipation base plate (6) to form an internal installation space; a first control board (2a), a second control board (2b), an aluminum substrate (4) and a capacitor plate (5) are arranged in the internal installation space; the aluminum substrate (4) is arranged on the inner surface of the heat dissipation base plate (6), the capacitor plate (5) is arranged above the aluminum substrate (4), the first control board (2a) and the second control board (2b) are arranged side by side horizontally above the capacitor plate (5) and connected to the aluminum substrate (4) and the capacitor plate (5) through wiring and pins; six control boards (2a, 2b) are arranged vertically upward on the inner surface of the heat dissipation base plate (6) and arranged side by side from left to right. The top end of the second power bus (7) passes through the aluminum substrate (4), the capacitor plate (5) and the housing (1) in sequence and is connected to the aluminum substrate (4) to serve as the first control board (2a) and the second control board (2b) terminals; two third power buses (9) connected to the capacitor plate (5) and used for external positive and negative power are arranged between the aluminum substrate (4) and the capacitor plate (5); and a plurality of first power buses (3) passing through the aluminum substrate (4) and the capacitor plate (5) and connecting the positive and negative power of the aluminum substrate (4) and the capacitor plate (5) are also arranged vertically upward on the inner surface of the heat dissipation bottom plate (6) to transmit the power of the capacitor plate (5) to the aluminum substrate (4).
2. A dual-motor controller structure according to claim 1, characterized in that: The three second power buses (7) on the left side serve as the U-phase, V-phase and W-phase terminals of the first control board (2a) from left to right, and the three second power buses (7) on the right side serve as the U-phase, V-phase and W-phase terminals of the second control board (2b) from left to right.
3. A dual-motor controller structure according to claim 1, characterized in that: The connection terminals of the two third power bus bars (9) are both extended out of the housing (1) and are arranged side by side in a transverse direction parallel to the second power bus bars (7).
4. A dual-motor controller structure according to claim 1, characterized in that: A silicone grease layer that is beneficial to heat conduction and waterproofing is applied between the heat dissipation bottom plate (6) and the aluminum base plate (4).
5. The dual-motor controller structure according to claim 1, characterized in that: A waterproof and dustproof silicone pad is provided between the heat dissipation base plate (6) and the buckling surface of the housing (1).
6. A dual-motor controller structure according to claim 1, characterized in that: A waterproof and dustproof silicone gasket (10) is provided at the connection between the second power bus (7) and the third power bus (9) and the housing (1).
7. A dual-motor controller structure according to claim 1, characterized in that: The first power bus (3), the second power bus (7) and the third power bus (9) are all power busses made of 6063 aluminum alloy.