Dustproof controller for electric vehicle motor

Abstract

The utility model discloses a dustproof controller for electric motor of electric motor car relates to electric motor car accessory technical field, including bottom plate subassembly, bottom plate subassembly includes bottom plate main part, the top of bottom plate main part is provided with the shell subassembly, and the shell subassembly includes shell main part. The utility model has the beneficial effects that through dustproof heat dissipation integration design, intelligent temperature control and self -cleaning system, the reliability, heat dissipation efficiency and dustproof ability of electric motor car motor controller have been improved significantly, especially suitable for electric motor car of high dust environment (such as mining area, construction site or high temperature area) operation, and the performance and durability are given consideration to, have the market competitiveness of remarkable, solve the electric motor car motor controller in prior art mainly through setting filter or blocking device to block dust to enter to realize, but filter or blocking device long -term use, surface filter hole can be blocked by dust, can reduce the heat dissipation effect of electric motor car controller problem.

Description

Technical Field

[0001] This utility model relates to the field of electric vehicle parts technology, and in particular to a dustproof controller for electric vehicle motors. Background Technology

[0002] The electric vehicle motor controller is one of the core components of an electric vehicle. It is responsible for converting the DC power from the battery into AC power required to drive the motor (or regulating the DC motor current), and controlling the motor's speed, torque, and direction. Its performance directly affects the electric vehicle's power, energy efficiency, and reliability.

[0003] In the existing technology, electric vehicle motor controllers mainly achieve this by setting up filters or blocking devices to prevent dust from entering. However, after long-term use, the surface pores of the filters or blocking devices will be blocked by dust, which will reduce the heat dissipation effect of the electric vehicle controller, resulting in poor heat dissipation and affecting the normal operation of the controller. Utility Model Content

[0004] In view of the problems existing in the dustproof controller for electric vehicle motors, this utility model is proposed.

[0005] Therefore, the problem to be solved by this utility model is that the electric vehicle motor controller in the prior art mainly achieves this by setting up a filter or blocking device to prevent dust from entering. However, when the filter or blocking device is used for a long time, the surface filter holes will be blocked by dust, which will reduce the heat dissipation effect of the electric vehicle controller.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a dustproof controller for an electric vehicle motor, including a base plate assembly, the base plate assembly including a base plate body, a shell assembly provided on the top of the base plate body, the shell assembly including a shell body, a dustproof heat dissipation assembly fixedly installed on the left side of the shell body, the dustproof heat dissipation assembly including a mounting shell, an ion fan is embedded through and inlaid on both the front and rear sides of the left side of the mounting shell, an air inlet filter is fixedly connected to the left side of the mounting shell and located on the surface of the ion fan, a connecting ring is fixedly connected to the inner cavity of the mounting shell and located on the surface of the ion fan, a circuit board is fixedly installed at the center of the top of the base plate body, a temperature sensor is fixedly installed on the surface of the circuit board, an air duct assembly is provided on the surface of the connecting ring, the air duct assembly includes a connecting cover, an air duct pipe is connected to the right end of the connecting cover, and a backwashing assembly is fixedly installed on the right side of the top of the circuit board.

[0007] As a preferred embodiment of the dustproof controller for electric vehicle motors described in this utility model, mounting holes are provided on both the left and right sides of the top of the base plate body, and a limiting edge is fixedly installed on the outer ring of the top of the base plate body.

[0008] As a preferred embodiment of the dustproof controller for electric vehicle motors described in this utility model, the limiting edge and the base plate body are designed as an integral unit, and mounting screws are provided through the four corners of the bottom of the base plate body, with the top of the mounting screws threadedly connected to the bottom of the outer shell body.

[0009] As a preferred embodiment of the dustproof controller for electric vehicle motors described in this utility model, heat dissipation fins are provided through the front and rear sides of the top of the main body of the outer shell, a ventilation mesh plate is embedded in the top of the right side of the main body of the outer shell, and cable coils are connected and installed on the front and rear sides of the right side of the main body of the outer shell.

[0010] In a preferred embodiment of the dustproof controller for electric vehicle motors described in this utility model, a cable body is provided through the inside of the cable coil, a sealing ring is fitted on the right side of the cable coil and on the surface of the cable body, and the left end of the cable body is connected to the circuit board.

[0011] As a preferred embodiment of the dustproof controller for electric vehicle motors described in this utility model, a sealing gasket is fixedly bonded to the right side of the mounting shell, and mounting screws are provided through the four corners of the left side of the mounting shell, with the right end of the mounting screws threadedly connected to the left side of the main body of the outer shell.

[0012] As a preferred embodiment of the dustproof controller for electric vehicle motors described in this utility model, the connecting cover is sleeved and installed on the surface of the connecting ring and sealed with a sealing ring; the air duct is configured with a multi-segment curved structure; and a one-way exhaust valve is installed on the surface of the air duct.

[0013] In a preferred embodiment of the dustproof controller for electric vehicle motors described in this utility model, the backwashing assembly includes a miniature air pump, the output end of which is connected to a backwashing pipe, and the other end of the backwashing pipe is connected to the right end of the air duct.

[0014] The beneficial effects of this utility model are as follows: through the integrated design of dustproof and heat dissipation, intelligent temperature control and self-cleaning system, the reliability, heat dissipation efficiency and dustproof capability of electric vehicle motor controller are significantly improved. It is especially suitable for electric vehicles operating in high dust environments (such as mining areas, construction sites or high temperature areas), and takes into account both performance and durability, and has significant market competitiveness. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A three-dimensional structural diagram of a dustproof controller for electric vehicle motors.

[0017] Figure 2 A three-dimensional structural diagram of a dustproof controller for electric vehicle motors from another perspective.

[0018] Figure 3 A bottom-view three-dimensional structural diagram of a dustproof controller for electric vehicle motors.

[0019] Figure 4 An exploded three-dimensional structural diagram of a dustproof controller for electric vehicle motors.

[0020] Figure 5 Another perspective exploded three-dimensional structural diagram of a dustproof controller for electric vehicle motors.

[0021] Figure 6 An exploded three-dimensional view of a dustproof controller for an electric vehicle motor.

[0022] Figure 7 An exploded three-dimensional diagram of the dustproof heat dissipation components and air duct components for a dustproof controller for electric vehicle motors;

[0023] Figure 8 A three-dimensional cross-sectional view of the dustproof and heat dissipation components of a dustproof controller for an electric vehicle motor.

[0024] In the diagram: 1. Base plate assembly; 101. Base plate body; 102. Mounting hole; 103. Mounting screw; 104. Limiting edge; 2. Outer shell assembly; 201. Outer shell body; 202. Heat dissipation fins; 203. Cable coil; 204. Cable body; 205. Sealing ring; 206. Ventilation mesh plate; 3. Dustproof heat dissipation assembly; 301. Mounting shell; 302. Air inlet filter; 303. Ion fan; 304. Sealing gasket; 305. Connecting ring; 4. Circuit board; 5. Temperature sensor; 6. Backwash assembly; 601. Miniature air pump; 602. Backwash pipe; 7. Air duct assembly; 701. Connecting cover; 702. Air duct pipe; 703. One-way exhaust valve. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Reference Figures 1-8 A dustproof controller for an electric vehicle motor includes a base plate assembly 1, which includes a base plate body 101. A shell assembly 2 is provided on the top of the base plate body 101. The shell assembly 2 includes a shell body 201. A dustproof heat dissipation assembly 3 is fixedly installed on the left side of the shell body 201. The dustproof heat dissipation assembly 3 includes a mounting shell 301. An ion fan 303 is embedded through the front and rear sides of the left side of the mounting shell 301. An air inlet filter 302 is fixedly connected to the left side of the mounting shell 301 and located on the surface of the ion fan 303. A connecting ring 305 is fixedly connected to the inner cavity of the mounting shell 301 and located on the surface of the ion fan 303. A circuit board 4 is fixedly installed at the center of the top of the base plate body 101. A temperature sensor 5 is fixedly installed on the surface of the circuit board 4. An air duct assembly 7 is provided on the surface of the connecting ring 305. The air duct assembly 7 includes a connecting cover 701. An air duct pipe 702 is connected to the right end of the connecting cover 701. A backwashing assembly 6 is fixedly installed on the right side of the top of the circuit board 4.

[0028] Specifically, the ion fan 303 generates charged ion wind, which actively adsorbs dust particles and reduces the amount of dust entering the controller. The air intake filter 302 further filters large particulate pollutants and protects the internal circuit board 4.

[0029] Temperature sensor 5 detects the temperature of circuit board 4 in real time and feeds it back to the control system to dynamically adjust the speed of ion fan 303, so as to achieve a balance between energy saving and heat dissipation.

[0030] It should be noted that mounting holes 102 are provided on both the left and right sides of the top of the base plate body 101, and a limiting edge 104 is fixedly installed on the outer ring of the top of the base plate body 101.

[0031] It should be noted that the limiting edge 104 and the base plate body 101 are designed as a single piece. The limiting edge 104 and the base plate body 101 are integrally formed to enhance structural rigidity and prevent deformation. The four corners of the bottom of the base plate body 101 are provided with mounting screws 103, and the top of the mounting screws 103 is threaded to the bottom of the outer shell body 201.

[0032] It should be noted that heat dissipation fins 202 are provided through the front and rear sides of the top of the main body 201. The heat dissipation fins 202 increase the surface area of ​​the shell and improve the passive heat dissipation capacity. A ventilation mesh plate 206 is embedded in the top right side of the main body 201. The ventilation mesh plate 206 promotes the natural convection of hot air and avoids heat accumulation. Cable coils 203 are connected and installed on the front and rear sides of the right side of the main body 201.

[0033] It should be noted that the cable body 204 is installed through the inside of the cable coil 203. A sealing ring 205 is installed on the right side of the cable coil 203 and on the surface of the cable body 204. The left end of the cable body 204 is connected to the circuit board 4. The sealing ring 205 and the sealing gasket 304 provide an IP65 or higher protection level and are suitable for humid and dusty environments.

[0034] It should be noted that a sealing gasket 304 is fixedly bonded to the right side of the mounting shell 301, and mounting screws are installed through the four corners on the left side of the mounting shell 301. The right end of the mounting screws is threaded to the left side of the outer shell body 201.

[0035] It should be noted that the connecting cover 701 is fitted onto the surface of the connecting ring 305 and sealed with a sealing ring. The air duct 702 has a multi-segment curved structure, and a one-way exhaust valve 703 is installed on the surface of the air duct 702.

[0036] Furthermore, the air duct 702 adopts a multi-segment bending structure to extend the airflow path and ensure that the cold air fully contacts the key heat-generating areas of the circuit board 4. The one-way exhaust valve 703 prevents external dust from flowing back in and maintains a clean internal environment.

[0037] It should be noted that the backwash assembly 6 includes a miniature air pump 601, the output end of which is connected to a backwash pipe 602, and the other end of the backwash pipe 602 is connected to the right end of the air duct 702.

[0038] Furthermore, high-pressure airflow is periodically sprayed into the air duct 702 through the backwash pipe 602 to remove accumulated dust, prevent air duct blockage, reduce the frequency of manual maintenance, and extend the equipment life.

[0039] During use, use the mounting holes 102 to fix the base plate body 101 to the vicinity of the electric vehicle frame or motor. Pass the cable body 204 through the cable loop 203 and press it firmly with the sealing ring 205, ensuring waterproof and dustproof IP65 or higher. Connect the left end of the cable body 204 to the corresponding interface on the circuit board 4. Position the outer shell body 201 on top of the base plate body 101 using the limiting edge 104. Secure the outer shell body 201 to the base plate body 101 with the mounting screws 103, ensuring a tight seal. Confirm that the air inlet filter 302 is not clogged and that the ion fan 303 is operating normally. Check that the sealing gasket 304 is intact to prevent dust from entering through the gaps in the mounting shell 301. Ensure that the air duct 702 is not deformed or blocked and that the one-way exhaust valve 703 can open and close normally. After the controller is powered on, the temperature sensor 5 monitors the temperature of the circuit board 4 in real time. If the temperature exceeds the set threshold (e.g., 50°C), the controller will detect the fault. When the temperature reaches ℃, the ion fan 303 automatically starts, drawing in external cold air through the air inlet filter 302. The air is then directed towards the heat-generating area of ​​the circuit board 4 via the air duct 702 and the one-way exhaust valve 703. The hot air is naturally discharged through the heat dissipation fins 202 and the ventilation mesh 206, forming a circulating heat dissipation. The multi-section curved air duct 702 extends the airflow path and improves heat dissipation efficiency. The electric current generated by the ion fan 303 adsorbs dust, reducing the amount of particulate matter entering the interior. The air inlet filter 302 intercepts large particulate pollutants and needs to be manually cleaned regularly (recommended once a month). When the temperature sensor 5 detects a decrease in heat dissipation efficiency (such as increased air duct resistance), or according to a preset cycle (such as every 72 hours), the backwash component 6 starts. The micro air pump 601 generates high-pressure airflow, which flows backward into the air duct 702 through the backwash pipe 602. The airflow carries the accumulated dust and is discharged from the one-way exhaust valve 703, completing the automatic dust removal.

[0040] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A dustproof controller for an electric vehicle motor, comprising a base plate assembly (1), characterized in that: The base plate assembly (1) includes a base plate body (101), and a shell assembly (2) is provided on the top of the base plate body (101). The shell assembly (2) includes a shell body (201), and a dustproof heat dissipation assembly (3) is fixedly installed on the left side of the shell body (201). The dustproof heat dissipation assembly (3) includes a mounting shell (301). Ion fans (303) are embedded through the front and rear sides of the left side of the mounting shell (301). An air inlet filter (303) is fixedly connected to the left side of the mounting shell (301) and on the surface of the ion fan (303). 2) A connecting ring (305) is fixedly connected to the inner cavity of the mounting shell (301) and the surface of the ion fan (303). A circuit board (4) is fixedly installed at the center of the top of the base plate body (101). A temperature sensor (5) is fixedly installed on the surface of the circuit board (4). A duct assembly (7) is provided on the surface of the connecting ring (305). The duct assembly (7) includes a connecting cover (701). The right end of the connecting cover (701) is connected to a duct pipe (702). A backwashing assembly (6) is fixedly installed on the right side of the top of the circuit board (4).

2. The dustproof controller for electric vehicle motors as described in claim 1, characterized in that: Mounting holes (102) are provided on both the left and right sides of the top of the base plate body (101), and a limiting edge (104) is fixedly installed on the outer ring of the top of the base plate body (101).

3. The dustproof controller for electric vehicle motors as described in claim 2, characterized in that: The limiting edge (104) and the base plate body (101) are designed as an integral unit. The four corners of the bottom of the base plate body (101) are provided with mounting screws (103), and the top of the mounting screws (103) is threaded to the bottom of the outer shell body (201).

4. The dustproof controller for an electric vehicle motor as described in claim 1, characterized in that: Heat dissipation fins (202) are provided through the front and rear sides of the top of the outer shell body (201). A ventilation mesh plate (206) is inlaid on the top right side of the outer shell body (201). Cable coils (203) are connected to the front and rear sides of the right side of the outer shell body (201).

5. The dustproof controller for electric vehicle motors as described in claim 4, characterized in that: The cable coil (203) has a cable body (204) running through its interior. A sealing ring (205) is fitted on the right side of the cable coil (203) and on the surface of the cable body (204). The left end of the cable body (204) is connected to the circuit board (4).

6. The dustproof controller for an electric vehicle motor as described in claim 1, characterized in that: A sealing gasket (304) is fixedly bonded to the right side of the mounting shell (301), and mounting screws are provided through the four corners of the left side of the mounting shell (301). The right end of the mounting screws is threaded to the left side of the outer shell body (201).

7. The dustproof controller for an electric vehicle motor as described in claim 1, characterized in that: The connecting cover (701) is fitted onto the surface of the connecting ring (305) and sealed with a sealing ring. The air duct (702) has a multi-segment curved structure, and a one-way exhaust valve (703) is installed on the surface of the air duct (702).

8. The dustproof controller for an electric vehicle motor as described in claim 1, characterized in that: The backwash assembly (6) includes a miniature air pump (601), the output end of which is connected to a backwash pipe (602), and the other end of the backwash pipe (602) is connected to the right end of the air duct (702).

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