Electric vehicle controller
By designing an electric vehicle controller with a single circuit board, using positive and negative terminals and three-phase terminals to simplify motor control, the problem of complex and unreliable motor control in the existing technology is solved, and space saving and high reliability are achieved motor control.
Patent Information
- Application Number
- CN202323409261.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-14
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-14
AI Technical Summary
The motor output signal control of existing electric vehicles requires two circuit boards to be synchronously controlled, which takes up a large space and complex circuits. Once any circuit board has problems, the motor cannot be controlled.
Design an electric vehicle controller, adopting a single circuit board, set up positive terminals, negative terminals and three-phase terminals, and connect the power supply and motor through these terminals to realize signal input and output, simplify motor control, and in the circuit The heat sink and cover are installed on the board to secure and protect the circuit board.
The motor control is achieved through a single circuit board, which reduces space occupation and circuit complexity, and prevents the circuit board from overheating through the heat sink, improving the reliability and installation convenience of the system.
Smart Images

Figure CN222169491U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of controllers, in particular to an electric vehicle controller. Background Art
[0002] The output signal control of the motor on the existing electric vehicle is usually synchronized by two circuit boards. The two circuit boards occupy a large space and have an extra set of wiring. In addition, when any of the circuit boards has a problem, the motor connected to the controller cannot be controlled. Utility Model Content
[0003] In view of the problems in the prior art, the utility model provides an electric vehicle controller.
[0004] The technical solution adopted by the utility model to solve its technical problems is: an electric vehicle controller, including a cone barrel, including a circuit board, a conductive sheet is arranged on the circuit board, a positive terminal and a negative terminal are arranged on the conductive sheet, and the positive terminal and the negative terminal are respectively connected to the positive and negative poles of the power supply; an input terminal is arranged on the circuit board, and the input terminal is used to input a control signal; a three-phase terminal is arranged on the circuit board, and the three-phase terminal is used to connect a motor, and when the signal is input from the input terminal to the circuit board, the signal is transmitted to the motor and the rotation of the motor is controlled.
[0005] Preferably, a base plate is provided at the bottom of the circuit board, and fastening holes for fixing the base plate are provided at four corners of the base plate.
[0006] Preferably, a plurality of heat sinks are provided on the outer side wall of the bottom plate, and the heat sinks are used to dissipate heat from the circuit board.
[0007] Preferably, a cover is provided on the bottom plate, the circuit board is located inside the cover, and bolts are provided on the cover, and the bolts penetrate the cover, the circuit board and the bottom plate to be fixedly connected.
[0008] Preferably, an upper connecting cover protruding outward is provided on the outer side wall of the cover, and a lower connecting cover protruding outward is provided on the bottom plate, and the upper connecting cover and the lower connecting cover are fixedly connected by screws.
[0009] Beneficial effects:
[0010] An external power supply is provided to the circuit board through the positive and negative terminals, and the input end can input external control signals to the circuit board. The circuit board controls the motor connected to the three-phase terminals. The existing system is connected to the motor through two sets of three-phase terminals. The present application only needs to connect to the motor through one set of three-phase terminals to control the operation of the motor. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0013] Figure 2 It is a schematic diagram of the internal structure of the utility model.
[0014] In the figure: 1. cover; 11. upper connection cover; 12. bolts; 2. bottom plate; 21. heat sink; 22. lower connection cover; 23. fastening hole; 3. input terminal; 4. circuit board; 41. positive terminal; 42. negative terminal; 43. three-phase terminal; 44. conductive sheet. DETAILED DESCRIPTION
[0015] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0016] In one embodiment, please refer to the attached manual. Figure 1-2 As shown, an electric vehicle controller described in the utility model includes a circuit board 4, a conductive sheet 44 is provided on the circuit board 4, a positive terminal 41 and a negative terminal 42 are provided on the conductive sheet 44, and the positive terminal 41 and the negative terminal 42 are respectively connected to the positive and negative poles of the power supply; an input terminal 3 is provided on the circuit board 4, and the input terminal 3 is used to input a control signal; a three-phase terminal 43 is provided on the circuit board 4, and the three-phase terminal 43 is used to connect the motor. When the signal is input from the input terminal 3 to the circuit board 4, the signal is transmitted to the motor and the rotation of the motor is controlled.
[0017] An external power source is provided to the circuit board 4 through the positive terminal 41 and the negative terminal 42, and the input terminal 3 can input an external control signal to the circuit board 4. The circuit board 4 controls the motor connected to the three-phase terminal 43. The existing system is connected to the motor through two groups of three-phase terminals 43. The present application only needs to connect to the motor through one group of three-phase terminals 43 to control the operation of the motor.
[0018] A bottom plate 2 is provided at the bottom of the circuit board 4, and fastening holes 23 are provided at four corners of the bottom plate 2 for fixing the bottom plate 2. The fastening holes 23 are provided to facilitate installation of the bottom plate 2 on the electric vehicle.
[0019] A plurality of heat sinks 21 are disposed on the outer wall of the bottom plate 2, and the heat sinks 21 are used to dissipate heat from the circuit board 4. The plurality of heat sinks 21 can dissipate heat from the circuit board 4 to prevent the circuit board 4 from overheating.
[0020] The bottom plate 2 is provided with a cover 1 , the circuit board 4 is located inside the cover 1 , and the cover 1 is provided with bolts 12 , which penetrate through the cover 1 and the circuit board 4 and the bottom plate 2 to be fixedly connected.
[0021] An upper connection cover 11 protruding outward is provided on the outer side wall of the cover 1, and a lower connection cover 22 protruding outward is provided on the bottom plate 2, and the upper connection cover 11 and the lower connection cover 22 are fixedly connected by screws. The cover 1 can be used to install the circuit board 4 on the bottom plate 2, and it plays a protective role for the circuit board 4 above the bottom plate 2 and below the cover 1. During installation, the circuit board 4 is first placed on the bottom plate 2, the positive terminal 41, the negative terminal 42 and the three-phase terminal 43 are passed through the cover 1, and the upper connection cover 11 and the lower connection cover 22 are aligned, and then the upper connection cover 11 and the lower connection cover 22 are fixed by screws, and finally the bolts 12 are passed through the cover 1 and the circuit board 4 and the bottom plate 2 to fix them together.
[0022] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.
Claims
1. An electric vehicle controller, comprising a circuit board (4), characterized in that: The circuit board (4) is provided with a conductive sheet (44), and the conductive sheet (44) is provided with a positive terminal (41) and a negative terminal (42), and the positive terminal (41) and the negative terminal (42) are respectively connected to the positive and negative poles of the power supply; the circuit board (4) is provided with an input terminal (3), and the input terminal (3) is used to input a control signal; the circuit board (4) is provided with a three-phase terminal (43), and the three-phase terminal (43) is used to connect a motor, and when a signal is input from the input terminal (3) to the circuit board (4), the signal is transmitted to the motor and the rotation of the motor is controlled.
2. An electric vehicle controller according to claim 1, characterized in that: A bottom plate (2) is provided at the bottom of the circuit board (4), and fastening holes (23) for facilitating fixing of the bottom plate (2) are provided at four corners of the bottom plate (2).
3. An electric vehicle controller according to claim 2, characterized in that: A plurality of heat sinks (21) are provided on the outer side wall of the bottom plate (2), and the heat sinks (21) are used to dissipate heat from the circuit board (4).
4. An electric vehicle controller according to claim 3, characterized in that: A cover (1) is provided on the bottom plate (2), the circuit board (4) is located inside the cover (1), and bolts (12) are provided on the cover (1), the bolts (12) penetrate the cover (1), the circuit board (4) and the bottom plate 2 to be fixedly connected.
5. An electric vehicle controller according to claim 4, characterized in that: An outwardly protruding upper connection cover (11) is provided on the outer side wall of the cover (1), and an outwardly protruding lower connection cover (22) is provided on the bottom plate (2); the upper connection cover (11) and the lower connection cover (22) are fixedly connected by screws.
