Anti-interference motor controller
By using a reset spring, damping rod, and soundproof housing in the motor controller, the signal interference problem caused by high-frequency noise and vibration of the motor is solved, thereby improving the stability and signal accuracy of the controller.
Patent Information
- Application Number
- CN202423172392.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing motor controllers are susceptible to electromagnetic interference under high-frequency noise and severe vibration, which can lead to signal distortion or loosening of internal circuit components.
A reset spring and damping rod are used for initial buffering. The motor body is supported by a buffer plate and a support block. A soundproof shell is used to isolate high-frequency noise, and high-frequency noise is filtered out by input and output filters to protect the internal electronic components.
It improves the stability and signal accuracy of the controller, reduces noise interference and vibration transmission, protects internal components, and ensures the authenticity and accuracy of the signal.
Smart Images

Figure CN223957385U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor control technical field, concretely is an anti -interference motor controller. BACKGROUND
[0002] Motor controller, also known as control driver or control frequency converter, is a kind of high-efficiency driving technology for controlling alternating current motor, its main function is to realize the high-performance management of motor torque and speed by accurately controlling the current and voltage of motor, generally speaking, motor controller improves the performance of motor system by advanced control algorithm, so that motor can be efficiently and stably operated under various working conditions, and it is one of indispensable technologies in modern industrial automation field.
[0003] Through the search, the utility model discloses a kind of motor controller with energy recovery function, including support device, the top of the support device is fixed with receiving device, the receiving device includes sealing isolation plate, protective cover plate, moisture-proof pad plate, motor, battery cabin, first conductive wire, controller, second conductive wire and solar cell panel, the first conductive wire is fixedly connected at the side end top of motor, the controller is fixedly connected on the one end of first conductive wire away from motor, the battery cabin is opened in the side end inside of controller, the second conductive wire is fixedly connected on the top of controller symmetrically, the sealing isolation plate is fixedly installed on second conductive wire, and the one end of second conductive wire away from controller is fixedly connected in the inside of solar cell panel. The utility model discloses the setting of receiving device realizes that controller can be individually connected power supply work, it is convenient to use.
[0004] But the above design still has some shortcomings, in the above design, although the controller can be individually connected power supply work, it is convenient to use, but in actual application, since motor high-speed rotation can produce a large amount of high-frequency noise, high-frequency noise can cause the interference of electromagnetic signal inside controller to cause signal distortion or error, and the violent shaking produced when motor rotates can also cause the connection point of controller internal circuit element to be loose, therefore, we propose an anti-interference motor controller to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an anti-interference motor controller to solve the problems proposed in the above background technology.
[0006] To achieve the above object, the utility model provides following technical scheme: an anti -interference motor controller, including base and support plate, the upper surface of support plate is connected with a plurality of reset spring, the inner wall of each reset spring is connected with damping rod, the upper surface of damping rod has the buffer plate, the upper surface of buffer plate is connected with support block, the upper surface of base is provided with sound insulation shell, the upper surface of sound insulation shell is connected with input filter, the left side of sound insulation shell is connected with output filter.
[0007] Wherein, the bottom surface of base is connected with a plurality of support legs, the outer surface of each support leg is connected with support rod, the upper surface of base and the bottom surface of support plate are connected with a group of support rods.
[0008] Wherein, the front of sound insulation shell is connected with baffle, the front of baffle is connected with display screen.
[0009] Wherein, the front of baffle is equipped with a plurality of connecting holes, and the front of baffle is connected with a plurality of control keys.
[0010] Wherein, the inner wall of support block is connected with motor body, and the left side of motor body is connected with sealing plate.
[0011] Wherein, the back of sound insulation shell is provided with a wire arranging hole, and the inner wall of wire arranging hole is connected with clamping block.
[0012] Wherein, the inner wall of sound insulation shell is connected with support shell, the inner wall of support shell is connected with a plurality of connecting plates, the side face of the connecting plates close to each other is connected with rotating shaft, the outer surface of rotating shaft is connected with cooling fan, and the inner wall of sound insulation shell is connected with cooling fin.
[0013] Wherein, the inner wall of sound insulation shell is connected with wiring board, the inner wall of sound insulation shell is connected with pressing line plate, and the inner wall of sound insulation shell is connected with processor.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] The utility model discloses a reset spring and damping rod are set up and carry out preliminary buffering, and the utility model discloses a reset spring and damping rod are set up and carry out preliminary buffering, reduce the dither of the motor rotation, thereby improved the stability of controller, and the cooperation of buffer plate and support block holds up motor body, avoids the vibration transmission caused by direct contact, through multilayer buffering and isolation design, effectively reduce the motor vibration transmission to the controller, protect the sensitive electronic element in the controller, and the sound insulation shell can preliminarily isolate high frequency noise, reduce the interference of noise to the electromagnetic signal in the controller, and the cooperation of input and output filter further filters out high frequency noise, ensures the authenticity and accuracy of signal. ACCURACY
[0016] Figure 1 It is a front view angle stereogram structure schematic view of the anti-interference motor controller of the utility model;
[0017] Figure 2 It is a back view angle stereogram structure schematic view of the anti-interference motor controller of the utility model;
[0018] Figure 3 It is a back view angle stereogram structure schematic view of the anti-interference motor controller of the utility model;
[0019] Figure 4 It is a back view angle stereogram structure schematic view of the anti-interference motor controller of the utility model.
[0020] In the drawing: 1, base; 2, support leg; 3, support rod; 4, control key; 5, support rod; 6, soundproof shell; 7, display screen; 8, support plate; 9, connecting hole; 10, output filter; 11, baffle; 12, clamping block; 13, wire arranging hole; 14, rotating shaft; 15, support shell; 16, cooling fan; 17, connecting plate; 18, input filter; 19, motor main body; 20, support block; 21, sealing plate; 22, buffer plate; 23, damping rod; 24, reset spring; 25, cooling fin; 26, wiring board; 27, wire pressing plate; 28, processor. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: an anti-interference motor controller, including base 1 and support plate 8, the upper surface of support plate 8 is connected with a plurality of reset springs 24, the inner wall of each reset spring 24 is slidably connected with damping rod 23, the upper surface of damping rod 23 has buffer plate 22, the upper surface of buffer plate 22 is connected with support block 20, the inner wall of support block 20 is clamped with motor main body 19, the left side surface of motor main body 19 is connected with sealing plate 21, the upper surface of base 1 is provided with soundproof shell 6, the upper surface of soundproof shell 6 is connected with input filter 18, the left side surface of soundproof shell 6 is connected with output filter 10.
[0023] The bottom surface of the base 1 is connected with a plurality of support legs 2, the outer surface of each support leg 2 is commonly connected with a support rod 3, the upper surface of the base 1 and the bottom surface of the support plate 8 are commonly connected with a group of support rods 5, the design of the plurality of support legs 2 and the support rod 3 can increase the contact points of the controller and the installation surface, thereby improving the stability of the entire system and reducing displacement or damage caused by vibration.
[0024] A plurality of connecting holes 9 are formed on the front surface of the baffle 11, a plurality of control keys 4 are connected to the front surface of the baffle 11, the front surface of the soundproof shell 6 is connected with the baffle 11, the plurality of connecting holes 9 and the control keys 4 formed on the baffle 11 enable the operator to conveniently access external devices or perform manual operation without the need to open the controller shell, thereby improving the convenience of operation, the front surface of the baffle 11 is connected with a display screen 7, the inner wall of the soundproof shell 6 is connected with a wiring board 26, the inner wall of the soundproof shell 6 is connected with a wire pressing plate 27, and the inner wall of the soundproof shell 6 is connected with a processor 28.
[0025] Specifically, the processor 28 and other internal components are protected by the inner wall of the soundproof shell 6, which not only reduces noise interference but also prevents damage to internal components caused by external factors such as dust and moisture, the soundproof shell 6 is made of metal material, which helps to shield electromagnetic interference and protect internal electronic components from external electromagnetic fields.
[0026] A wire outlet hole 13 is formed on the back surface of the soundproof shell 6, the inner wall of the wire outlet hole 13 is connected with a clamping block 12, the design of the wire outlet hole 13 enables the cable to enter and exit the controller in an orderly manner, the clamping block 12 can fix the cable to prevent wear or falling caused by cable movement, and also helps to reduce electromagnetic interference, the inner wall of the soundproof shell 6 is connected with a support shell 15, the inner wall of the support shell 15 is connected with a plurality of connecting plates 17, the side surface of the plurality of connecting plates 17 close to each other is commonly connected with a rotating shaft 14, the outer surface of the rotating shaft 14 is connected with a cooling fan 16, and the inner wall of the soundproof shell 6 is connected with a cooling fin 25.
[0027] Specifically, the cooling fan 16 is connected to the support shell 15 through the rotating shaft 14, which can effectively discharge the heat generated inside the controller and prevent the internal temperature from being too high, thereby improving the reliability and life of electronic components, the cooling fin 25 increases the heat dissipation area, which helps to conduct and dissipate heat, further improving the heat dissipation efficiency.
[0028] Working principle: in use, first, turn on the power, the processor 28 initializes, the display screen 7 lights up, displays the system state, the user inputs instructions through the control key 4, the processor 28 receives and processes these instructions, then the processor 28 sends control signals to the motor body 19 through the input filter 18 according to the instructions and motor control algorithm, the motor body 19 starts to work in response to the control signals, at the same time, the reset spring 24 and the damping rod 23 cooperate with each other to preliminarily buffer the jitter generated by the rotation of the motor body 19, then the buffer plate 22 and the supporting block 20 cooperate with each other to lift the motor body 19, avoiding the jitter generated by the rotation of the motor body 19 directly acting on the controller by directly contacting the supporting plate 8, then the soundproof shell 6 preliminarily isolates high-frequency noise, avoiding the internal electromagnetic signals of the controller from being disturbed to cause signal distortion or error, the input filter 18 and the output filter 10 further filter out high-frequency noise, ensuring that the internal battery signals of the controller will not be disturbed, the cooling fan 16 and the cooling fin 25 continuously work, keeping the internal temperature of the controller within a reasonable range.
[0029] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An interference-free motor controller comprising a base (1) and a support plate (8), characterized in that: The upper surface of the support plate (8) is connected with a plurality of reset springs (24), the inner wall of each reset spring (24) is connected with a damping rod (23) in sliding mode, the upper surface of the damping rod (23) is provided with a buffer plate (22), the upper surface of the buffer plate (22) is connected with a support block (20), the upper surface of the base (1) is provided with a sound insulation shell (6), the upper surface of the sound insulation shell (6) is connected with an input filter (18), and the left side of the sound insulation shell (6) is connected with an output filter (10).
2. An interference-resistant motor controller according to claim 1, characterized in that: The bottom surface of the base (1) is connected with a plurality of support legs (2), the outer surfaces of each support leg (2) are connected with a support rod (3) in common, and the upper surface of the base (1) and the bottom surface of the support plate (8) are connected with a group of support rods (5) in common.
3. The tamper-resistant motor controller of claim 1, wherein: The front surface of the sound insulation shell (6) is connected with a baffle (11), and the front surface of the baffle (11) is connected with a display screen (7).
4. An interference-resistant motor controller according to claim 3, wherein: The front surface of the baffle (11) is provided with a plurality of connecting holes (9), and the front surface of the baffle (11) is connected with a plurality of control keys (4).
5. The tamper-resistant motor controller of claim 1, wherein: The inner wall of the support block (20) is connected with a motor body (19), and the left side of the motor body (19) is connected with a sealing plate (21).
6. The tamper-resistant motor controller of claim 1, wherein: The back surface of the sound insulation shell (6) is provided with a wire discharge hole (13), and the inner wall of the wire discharge hole (13) is connected with a clamping block (12).
7. The tamper-resistant motor controller of claim 1, wherein: The inner wall of the sound insulation shell (6) is connected with a support shell (15), the inner wall of the support shell (15) is connected with a plurality of connecting plates (17), the side surfaces of the connecting plates (17) close to each other are connected with a rotating shaft (14) in common, the outer surface of the rotating shaft (14) is connected with a cooling fan (16), and the inner wall of the sound insulation shell (6) is connected with a cooling fin (25).
8. The tamper-resistant motor controller of claim 1, wherein: The inner wall of the sound insulation shell (6) is connected with a wiring board (26), the inner wall of the sound insulation shell (6) is connected with a wire pressing plate (27), and the inner wall of the sound insulation shell (6) is connected with a processor (28).
Citation Information
Patent Citations
Motor vector controller with energy recovery function
CN216490128U