A high-efficiency heat-dissipation three-phase asynchronous motor device

Abstract

This utility model relates to the field of electric motor technology and discloses a high-efficiency heat dissipation three-phase asynchronous motor device, including a motor body and control components. The assembly tube can be matched with various models of motors. The filter disc adopts a multi-layer composite structure, which can maintain a high air throughput while ensuring high-precision filtration of industrial dust, oil particles and other impurities. It is equipped with an automatic early warning mechanism. When the filter disc is clogged, the relevant components will trigger the pressure sensor, which will then trigger the alarm to issue an audible and visual alarm, promptly reminding the operator to handle the situation. The micro motor drives the convex seat on the rotating disc to periodically impact the filter disc. The vibration removes dust from the filter screen surface, which is particularly effective in cleaning fibrous impurities, ensuring the continuous and effective operation of the filter disc. The dust collection bin under the filter disc is designed for easy collection and cleaning of impurities. The device ensures heat dissipation by guiding airflow, ensuring sufficient air volume, maintaining continuous heat dissipation and stable ventilation gaps.

Description

Technical Field

[0001] This utility model relates to the field of electric motor technology, and in particular to a three-phase asynchronous motor device with high-efficiency heat dissipation. Background Technology

[0002] Three-phase asynchronous motors, as core power equipment that converts electrical energy into mechanical energy, are widely used in many fields such as industrial production, agricultural machinery, transportation, construction equipment and home appliances due to their advantages of simple structure, reliable operation and low cost. They are a key carrier of energy consumption and power output in modern society.

[0003] During the operation of an electric motor, copper losses in the stator windings, iron losses in the core, eddy current losses in the rotor, and mechanical friction losses continuously generate a large amount of heat, causing the internal temperature of the motor to rise. Excessive temperature can lead to increased winding resistance, decreased efficiency, and reduced output torque. In severe cases, it can even cause winding burnout, bearing jamming, and other malfunctions, affecting not only production continuity but also potentially causing equipment damage and safety hazards. Therefore, effective heat dissipation is crucial for the stable operation of a three-phase asynchronous motor.

[0004] In the prior art, such as the heat dissipation device for a three-phase asynchronous motor proposed in patent CN109038920A, a heat dissipation end cover, an elliptical end cover, and a protective cover are included. The end of the heat dissipation end cover, near the motor housing and facing the protective cover, has multiple air inlets to increase the air intake and ensure heat dissipation. However, this type of exhaust-type heat dissipation device has a significant drawback: it relies on the air inlets on the cover for exhaust cooling. In dusty and impurity-prone applications such as industrial and agricultural settings, the air inlets are easily blocked by dust, oil, and other impurities, leading to a gradual reduction in air intake and weakened heat dissipation capacity.

[0005] Furthermore, due to the lack of an effective blockage monitoring and alert mechanism, operators find it difficult to monitor the blockage status of the air intake in real time. Maintenance is often only carried out after the motor overheats or its heat dissipation efficiency drops significantly. This not only increases the difficulty of troubleshooting and maintenance costs but may also lead to motor performance degradation, shortened lifespan, or even safety accidents due to insufficient heat dissipation. At the same time, frequent unplanned maintenance shutdowns also seriously affect the continuity of production. Utility Model Content

[0006] The technical problem to be solved by this utility model is that the air inlet of the exhaust-type heat dissipation device is easy to be blocked and difficult to detect and maintain in a timely manner. To this end, we propose a three-phase asynchronous motor device with high efficiency heat dissipation.

[0007] To achieve the above objectives, this application adopts the following technical solution: a high-efficiency heat dissipation three-phase asynchronous motor device, including a motor body, an alarm installed on one side of the motor body, a control component provided at the tail of the motor body, the control component including an assembly tube, one end of the assembly tube being fixedly connected to the tail of the motor body, an air intake fan installed at the tail of the motor body, and a filter disc built into the assembly tube, the filter disc being slidably connected to the inner wall of the assembly tube;

[0008] The inner wall of the assembly tube is provided with multiple mounting grooves, and a rotating roller is installed in the mounting groove. The two ends of the rotating roller are rotatably connected to the two sides of the inner wall of the mounting groove. A coil spring is sleeved on both ends of the rotating roller. A toggle seat is sleeved on the surface of the rotating roller. A receiving platform is provided at the end of the toggle seat away from the rotating roller. The platform surface contacts the filter disc. A contact rod is fixedly connected to the side of the filter disc near the motor body. A pressure sensor is provided at the end of the contact rod away from the filter disc.

[0009] A rotating disk is provided on one side of the pressure sensor, and multiple protrusions are fixedly connected around the rotating disk. The side of the protrusions away from the rotating disk is slidably connected to the filter disk, and a micro motor is provided on one side of the rotating disk.

[0010] Preferably, a base is fixedly connected to the bottom of the motor body, a hanging bracket is fixedly connected to the top of the motor body, and a drive roller is fixedly connected to the output end of the motor body.

[0011] Preferably, a closed disc is fixedly connected to the end of the assembly tube away from the motor body. The closed disc has multiple air inlet windows on its surface, and the multiple air inlet windows are evenly distributed around the axis of the closed disc.

[0012] Preferably, multiple guide seats are fixedly connected around the filter disc, and multiple guide grooves matching the guide seats are opened on the inner wall of the assembly tube, with the guide seats slidably connected to the groove walls of the guide grooves.

[0013] Preferably, the plurality of mounting slots are evenly distributed around the axis of the assembly pipe, and the mounting slots are disposed between the filter disc and the motor body.

[0014] Preferably, one end of the coil spring is fixedly connected to the inner wall of the mounting groove, and the other end of the coil spring is fixedly connected to the rotating roller.

[0015] Preferably, one end of the actuating seat is fixedly connected to the rotating roller, and the other end of the actuating seat is fixedly connected to a support seat, with the end of the support seat away from the actuating seat fixedly connected to the receiving platform.

[0016] Preferably, the output end of the pressure sensor is electrically connected to the input end of the alarm, and a first fixing plate is fixedly connected to the tail end of the pressure sensor. The end of the first fixing plate away from the pressure sensor is fixedly connected to the inner wall of the assembly tube.

[0017] Preferably, the plurality of protrusions are evenly distributed around the axis of the rotating disk, the output end of the micro motor is fixedly connected to the rotating disk, a second fixing plate is sleeved on the surface of the micro motor, one end of the second fixing plate is fixedly connected to the micro motor, and the end of the second fixing plate away from the micro motor is fixedly connected to the inner wall of the assembly tube.

[0018] Preferably, the inner wall of the assembly tube is provided with a dust storage window, the dust storage window is located at the bottom of the filter plate, the dust storage window has a built-in dust storage bin, the dust storage bin is slidably connected to the inner wall of the dust storage window, and a handle is fixedly connected to the side of the dust storage bin away from the filter plate.

[0019] The technical effects and advantages of this utility model are as follows:

[0020] The electric motor device of this utility model has a control component at the tail end. The assembly pipe effectively prevents cooling air leakage through a sealed connection, and also has good adaptability, matching various types of motors, thus enhancing the versatility of the device. The air inlet window of the enclosed plate adopts a special design, which not only guides airflow to converge into the motor, improving the utilization efficiency of cooling air, but also reduces the direct intrusion of rainwater, splashes, etc., thus playing a protective role.

[0021] The filter disc employs a multi-layered composite structure, ensuring high-precision filtration of industrial dust, oil particles, and other impurities while maintaining a high airflow rate to prevent insufficient airflow from affecting heat dissipation. It is equipped with an automatic early warning mechanism; when the filter disc becomes clogged, relevant components trigger a pressure sensor, which in turn activates an audible and visual alarm, promptly alerting operators to take action. Simultaneously, a micro-motor drives a rotating disc with protrusions to periodically impact the filter disc, using vibration to dislodge dust from the filter screen surface. This is particularly effective at cleaning fibrous impurities, ensuring the filter disc's continuous and effective operation.

[0022] The dust collection bin below the filter disc is designed for easy collection and cleaning of impurities. For efficient heat dissipation, the device ensures cooling performance through scientifically guiding airflow, guaranteeing sufficient air volume, maintaining continuous heat dissipation, and ensuring stable ventilation gaps. The overall design is modular, allowing for individual disassembly and replacement of vulnerable components such as the filter disc, coil spring, and dust collection bin. Adjusting relevant parameters allows the device to adapt to working environments with varying dust concentrations, greatly enhancing its practicality and adaptability. Attached Figure Description

[0023] The disclosure of this utility model is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. In the drawings, the same reference numerals are used to refer to the same parts:

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the overall second-view structure of this utility model;

[0026] Figure 3 This is a schematic diagram of the assembly structure of the motor body and the enclosed disk of this utility model;

[0027] Figure 4 This is a schematic diagram of the control component structure of this utility model;

[0028] Figure 5 This is a schematic diagram of the internal structure of the assembly tube of this utility model;

[0029] Figure 6 For the present utility model Figure 5 Enlarged structural diagram at point A in the middle;

[0030] Figure 7 This is an exploded view of the control component of this utility model;

[0031] Figure 8 For the present utility model Figure 7 Enlarged structural diagram at point B.

[0032] Legend: 1. Motor body; 101. Base; 102. Hanging seat; 103. Drive roller; 2. Alarm; 3. Control components; 301. Assembly tube; 302. Enclosed disc; 303. Air inlet window; 304. Filter disc; 305. Mounting groove; 306. Guide seat; 307. Guide groove; 308. Rotating roller; 309. Coil spring; 310. Actuating seat; 311. Support seat; 312. Receiving platform; 313. Contact rod; 314. Pressure sensor; 315. First fixing plate; 316. Micro motor; 317. Second fixing plate; 318. Rotating disc; 319. Thrust; 320. Dust collection window; 321. Dust collection bin; 322. Handle. Detailed Implementation

[0033] It is readily understood that, based on the technical solution of this utility model, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of this utility model. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative descriptions of the technical solution of this utility model and should not be considered as the entirety of this utility model or as limitations or restrictions on the technical solution of this utility model.

[0034] Reference Figures 1 to 8 As shown, this utility model provides a technical solution: a high-efficiency heat dissipation three-phase asynchronous motor device, including a motor body 1, a base 101 fixedly connected to the bottom of the motor body 1, a hanging bracket 102 fixedly connected to the top of the motor body 1, a drive roller 103 fixedly connected to the output end of the motor body 1, an alarm 2 installed on one side of the motor body 1, and a control component 3 provided at the tail of the motor body 1. The control component 3 includes an assembly tube 301, one end of which is fixedly connected to the tail of the motor body 1, an air intake fan installed at the tail of the motor body 1, and a sealing disc 302 fixedly connected to the end of the assembly tube 301 away from the motor body 1. The sealing disc 302 has an open surface. The assembly tube 301 is equipped with multiple air inlet windows 303, which are evenly distributed around the axis of the closed disc 302. A filter disc 304 is built into the assembly tube 301, and the filter disc 304 is slidably connected to the inner wall of the assembly tube 301. Multiple guide seats 306 are fixedly connected around the filter disc 304. Multiple guide grooves 307 matching the guide seats 306 are formed on the inner wall of the assembly tube 301, and the guide seats 306 are slidably connected to the groove walls of the guide grooves 307. The assembly tube 301 at the tail of the motor body 1 is made of high-temperature and corrosion-resistant chromium-nickel alloy. The tube wall thickness is designed through mechanical calculations to ensure structural strength while reducing heat conduction loss, adapting to the harsh conditions of high temperature and electrochemical corrosion in industrial environments. One end of the assembly tube 301 is sealed to the tail of the motor body 1 via a flange, and a high-temperature resistant silicone sealing ring is installed at the joint to prevent cooling air leakage. The enclosed disc 302 is manufactured using a stamping process. The air inlet window 303 on the disc surface features a louvered, inclined design, which guides airflow towards the motor while reducing direct intrusion of rainwater and splashes. The filter disc 304 inside the assembly pipe 301 employs a multi-layer composite structure, consisting of an outer metal protective mesh, a middle glass fiber filter, and an inner activated carbon adsorption layer. This provides high filtration precision, effectively intercepting industrial dust, oil particles, and other impurities while maintaining a high airflow rate. The guide seat 306 on the edge of the filter disc 304 is made of polytetrafluoroethylene (PTFE), and its fit with the guide groove 307 is carefully controlled. Combined with the solid lubricant within the groove, this ensures that the filter disc 304 slides smoothly without jamming.

[0035] Multiple mounting slots 305 are formed on the inner wall of the assembly tube 301, evenly distributed around the axis of the assembly tube 301. The mounting slots 305 are positioned between the filter disc 304 and the motor body 1. A rotating roller 308 is housed within each mounting slot 305, with both ends rotatably connected to the sides of the inner wall of the mounting slot 305. Coil springs 309 are sleeved on both ends of the rotating roller 308, with one end of the coil spring 309 fixedly connected to the inner wall of the mounting slot 305 and the other end fixedly connected to the rotating roller 308. A actuating seat 310 is sleeved on the surface of the rotating roller 308, with a receiving platform 312 at the end of the actuating seat 310 away from the rotating roller 308. The surface of the receiving platform 312 contacts the filter disc 304, and one end of the actuating seat 310 is connected to the rotating roller. A fixed connection is made between the toggle seat 310 and the other end of the toggle seat 310. A support seat 311 is fixedly connected to the other end of the support seat 311 away from the toggle seat 310. The end of the support seat 311 away from the toggle seat 310 is fixedly connected to the receiving platform 312. A contact rod 313 is fixedly connected to the side of the filter disc 304 near the motor body 1. A pressure sensor 314 is provided at the end of the contact rod 313 away from the filter disc 304. The output end of the pressure sensor 314 is electrically connected to the input end of the alarm 2. A first fixing plate 315 is fixedly connected to the tail of the pressure sensor 314. The end of the first fixing plate 315 away from the pressure sensor 314 is fixedly connected to the inner wall of the assembly tube 301. When the filter disc 304 becomes clogged after long-term use, the negative pressure generated by the air intake fan gradually increases the axial thrust on the filter disc 304. In the initial state, the coil spring 309 applies torque to the toggle seat 310 through the rotating roller 308, and the supporting force of the receiving platform 312 on the filter disc 304 is balanced with the air intake resistance. The coil spring 309 is made of suitable spring steel and undergoes low-temperature tempering treatment, resulting in a stable elastic modulus that ensures it maintains its preset elastic force over a wide temperature range. When the resistance of the filter disc 304 exceeds the preset threshold of the coil spring 309, the filter disc 304 overcomes the elastic force and moves backward along the guide groove 307, with the moving speed increasing as the resistance increases. The contact rod 313 is made of insulating ceramic material, with a conductive contact embedded at its end, maintaining an initial gap with the sensing surface of the pressure sensor 314. The pressure sensor 314 is a high-precision strain gauge sensor, and its signal is transmitted to the alarm 2 through a shielded cable to avoid false alarms caused by electromagnetic interference from the motor. The alarm 2 adopts a dual audible and visual alarm design to ensure that it can be detected by operators in a noisy industrial environment.

[0036] Furthermore, a rotating disk 318 is provided on one side of the pressure sensor 314. Multiple protrusions 319 are fixedly connected around the rotating disk 318, evenly distributed around its axis. The side of each protrusion 319 away from the rotating disk 318 is slidably connected to the filter disk 304. A micro motor 316 is provided on one side of the rotating disk 318, with its output end fixedly connected to the rotating disk 318. A second fixing plate 317 is sleeved on the surface of the micro motor 316, with one end fixedly connected to the micro motor 316 and the other end fixedly connected to the inner wall of the assembly tube 301. The protrusions 319 are hemispherical in shape and chrome-plated to ensure impact resistance when in contact with the filter disk 304 while reducing wear. The micro motor 316 is a brushless DC motor, with speed control achieved through a speed regulation module. When alarm 2 is triggered, micro motor 316 starts synchronously, and rotating disk 318 drives protrusion 319 to periodically impact the side of filter disk 304. This vibration method can cause dust on the filter screen surface to detach due to inertia, and it is particularly effective in cleaning fibrous impurities, with high dust removal efficiency. The fixing plate is rigidly connected to the inner wall of assembly tube 301 by bolts, and rubber shock-absorbing pads are installed at the connection to reduce the vibration of micro motor 316 during operation from being transmitted to the motor body 1 of assembly tube 301.

[0037] A dust collection window 320 is provided on the inner wall of the assembly tube 301. The dust collection window 320 is located at the bottom of the filter disc 304, and a dust collection bin 321 is built into the dust collection window 320. The dust collection bin 321 is slidably connected to the inner wall of the dust collection window 320. A handle 322 is fixedly connected to the side of the dust collection bin 321 away from the filter disc 304. The dust collection window 320 on the inner wall of the assembly tube 301 is located directly below the filter disc 304, and has a rectangular design with dimensions matching the dust collection bin 321. The dust collection bin 321 is made of transparent polycarbonate material, with the maximum dust capacity scale line marked on the front. A silicone rubber sealing strip is installed at the contact point between the bin and the window to ensure sealing while reducing pulling resistance. The handle 322 is made of engineering plastic injection molding with anti-slip texture on the surface. A magnetic positioning block is installed at the bottom of the dust collection bin 321, which cooperates with the iron plate at the bottom of the window to ensure that it is securely installed.

[0038] The modular design facilitates component replacement. Wear parts such as filter disc 304, coil spring 309, and dust collection bin 321 can be disassembled and replaced individually. By adjusting the preload of coil spring 309 and the threshold of pressure sensor 314, it can adapt to working environments with different dust concentrations. Assembly pipe 301 can be adapted to different models of three-phase asynchronous motors through flanges.

[0039] Working principle:

[0040] When the intake fan is running, air enters the assembly pipe 301 through the louvered intake window 303 of the enclosed disc 302. The inclined design of the window guides the airflow and reduces the intrusion of foreign objects. The air then passes through the filter disc 304, whose multi-layered structure, consisting of an outer metal protective mesh, a middle glass fiber filter, and an inner activated carbon adsorption layer, can efficiently intercept impurities such as industrial dust and oil particles while ensuring a high air throughput.

[0041] When the filter disc 304 is working normally, the coil spring 309 on the rotating roller 308 inside the assembly tube 301 applies a supporting force to the filter disc 304 through the receiving platform 312 of the actuating seat 310, maintaining balance with the air inlet resistance. The PTFE guide seat 306 on the edge of the filter disc 304 slides smoothly in the guide groove 307 with the help of solid lubricant. When the air inlet resistance of the filter disc 304 exceeds the preset threshold of the coil spring 309 due to impurities clogging it, the filter disc 304 overcomes the elastic force and moves along the guide groove 307, and the moving speed increases with the increase of resistance.

[0042] The movement of the filter disc 304 causes the contact rod 313 to contact the pressure sensor 314. The high-precision strain gauge pressure sensor 314 transmits the signal to the alarm 2 through a shielded cable, triggering an audible and visual alarm to avoid false alarms due to electromagnetic interference. Simultaneously, the micro motor 316 starts, driving the rotating disc 318 and the hemispherical protrusion 319 to rotate. The protrusion 319 periodically impacts the filter disc 304, using vibration to dislodge impurities from the filter screen surface, with particularly effective cleaning of fibrous impurities. The rubber shock-absorbing pad reduces the vibration transmission of the micro motor 316.

[0043] The cleaned impurities fall into the dust collection bin 321 at the bottom of the assembly tube 301. The transparent polycarbonate dust collection bin 321 is easy to observe, the silicone rubber sealing strip ensures airtightness, and the magnetic positioning block ensures stable installation. The modular design allows vulnerable parts such as the filter disc 304, the coil spring 309, and the dust collection bin 321 to be replaced individually. By adjusting the preload of the coil spring 309 and the sensor threshold, it can adapt to different dust environments. The flange sealing connection and high-temperature resistant material of the assembly tube 301 ensure the stable operation of the entire system.

[0044] The technical scope of this utility model is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this utility model, and all such modifications and variations should fall within the protection scope of this utility model.

Claims

1. A high heat dissipating three-phase asynchronous motor device, characterized in that, The device includes an electric motor body, an alarm installed on one side of the electric motor body, a control component installed at the tail of the electric motor body, the control component including an assembly tube, one end of the assembly tube being fixedly connected to the tail of the electric motor body, an air intake fan installed at the tail of the electric motor body, and a filter disc built into the assembly tube, the filter disc being slidably connected to the inner wall of the assembly tube. The inner wall of the assembly tube is provided with multiple mounting grooves, and a rotating roller is installed in the mounting groove. The two ends of the rotating roller are rotatably connected to the two sides of the inner wall of the mounting groove. A coil spring is sleeved on both ends of the rotating roller. A toggle seat is sleeved on the surface of the rotating roller. A receiving platform is provided at the end of the toggle seat away from the rotating roller. The platform surface contacts the filter disc. A contact rod is fixedly connected to the side of the filter disc near the motor body. A pressure sensor is provided at the end of the contact rod away from the filter disc. A rotating disk is provided on one side of the pressure sensor, and multiple protrusions are fixedly connected around the rotating disk. The side of the protrusions away from the rotating disk is slidably connected to the filter disk, and a micro motor is provided on one side of the rotating disk.

2. The high radiating three phase induction motor arrangement as claimed in claim 1 wherein: A base is fixedly connected to the bottom of the motor body, a hanging bracket is fixedly connected to the top of the motor body, and a drive roller is fixedly connected to the output end of the motor body.

3. The high radiating three phase induction motor arrangement as claimed in claim 1 wherein: The end of the assembly tube away from the motor body is fixedly connected to a closed disc. The closed disc has multiple air inlet windows, which are evenly distributed around the axis of the closed disc.

4. The high radiating three phase induction motor arrangement as claimed in claim 1 wherein: Multiple guide seats are fixedly connected around the filter disc, and multiple guide grooves matching the guide seats are opened on the inner wall of the assembly tube. The guide seats are slidably connected to the groove walls of the guide grooves.

5. The high radiating three phase induction motor arrangement as claimed in claim 1 wherein: The mounting slots are evenly distributed around the axis of the assembly pipe, and the mounting slots are located between the filter disc and the motor body.

6. The high efficient heat dissipating three-phase induction motor apparatus as claimed in claim 1 wherein: One end of the coil spring is fixedly connected to the inner wall of the mounting groove, and the other end of the coil spring is fixedly connected to the rotating roller.

7. The high radiating three phase induction motor arrangement as claimed in claim 1 wherein: One end of the actuating seat is fixedly connected to the rotating roller, and the other end of the actuating seat is fixedly connected to a support seat. The end of the support seat away from the actuating seat is fixedly connected to the receiving platform.

8. The high radiating three phase induction motor arrangement as claimed in claim 1 wherein: The output end of the pressure sensor is electrically connected to the input end of the alarm. A first fixing plate is fixedly connected to the tail of the pressure sensor, and the end of the first fixing plate away from the pressure sensor is fixedly connected to the inner wall of the assembly tube.

9. The high radiating three phase induction motor apparatus as claimed in claim 1 wherein: Multiple protrusions are evenly distributed around the axis of the rotating disk. The output end of the micro motor is fixedly connected to the rotating disk. A second fixing plate is sleeved on the surface of the micro motor. One end of the second fixing plate is fixedly connected to the micro motor, and the end of the second fixing plate away from the micro motor is fixedly connected to the inner wall of the assembly tube.

10. The high efficient heat dissipating three-phase induction motor apparatus as claimed in claim 1 wherein: The assembly tube has a dust storage window on its inner wall. The dust storage window is located at the bottom of the filter disc. The dust storage window contains a dust storage bin. The dust storage bin is slidably connected to the inner wall of the dust storage window. A handle is fixedly connected to the side of the dust storage bin away from the filter disc.

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