Magnetic suspension fan with cooling system
By introducing a thrust plate assembly with a heat exchange cover and an air-cooled cavity and a water-cooled equipment group into the magnetic levitation fan, combined with an auxiliary cooling device and a cooling management system, efficient cooling of the motor and thrust plate is achieved, solving the problem of equipment instability caused by inflexible cooling adjustment and adapting to the needs of different working conditions.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HEWANG MAGNETIC FLOAT TECHNOLOGY (CHENYANG) CO LTD
- Filing Date
- 2026-03-09
- Publication Date
- 2026-05-08
AI Technical Summary
Existing magnetic levitation fans have inconsistent heat dissipation requirements for the motor and thrust plate under different operating conditions, and the cooling equipment is not flexible in adjustment, resulting in unstable equipment operation.
The thrust plate assembly with heat exchange cover and air-cooled cavity is combined with water-cooled equipment group and auxiliary cooling device. Dynamic cooling is achieved by alternating the use of liquid storage pipe and electric piston. Combined with the cooling management system for real-time monitoring and control, efficient cooling of motor and thrust plate is ensured.
It achieves efficient and coordinated cooling of the motor and thrust plate, preventing magnetic levitation failure caused by overheating, adapting to high-load industrial environments, and the cooling components are compactly designed for easy integration.
Smart Images

Figure CN121993428A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of magnetic levitation fans, and particularly to a magnetic levitation fan with a cooling system. Background Technology
[0002] Magnetic levitation fans are high-efficiency and energy-saving blowers that utilize magnetic levitation bearing technology. They achieve contactless rotor levitation through electromagnetic force, combined with a high-speed permanent magnet synchronous motor driving the impeller rotation. This eliminates the need for mechanical contact and lubrication, achieving frictionless and low-loss operation. Their core advantages include high efficiency and energy saving; operating noise below 80 decibels and low vibration; oil-free lubrication design to avoid oil contamination, suitable for clean environments; and an intelligent control system that monitors operating parameters in real time and automatically adjusts airflow and pressure to adapt to varying operating conditions.
[0003] Chinese invention CN113217426A discloses a magnetic levitation fan with impeller self-priming cooling. The fan includes a casing, a rotating shaft, a rear protective bearing housing, a rear bearing housing, a front protective bearing housing, a front bearing housing, and an impeller. The fan drives both the motor cooling air path and the aerodynamic air path by driving one impeller, reducing the number of components and improving system stability.
[0004] Chinese invention CN114876878B discloses a method and device for air cooling of a magnetic levitation fan. The invention includes a housing assembly and a cooling assembly disposed on the housing assembly. The housing assembly includes a vortex tube, a front cover, a cover and a rear cover that are connected in sequence. The cooling assembly includes a nozzle, an electronically controlled nozzle, a connecting pipe, a cooling pipe, an infrared sensor, a refrigeration device and an exhaust pipe. The invention can effectively solve the problems of high equipment maintenance costs and poor conveying effect in the prior art.
[0005] In the existing technology, the motor and thrust plate of the magnetic levitation fan have different heat dissipation requirements under different operating conditions. However, the existing cooling equipment for magnetic levitation fans is not convenient for targeted cooling adjustments to the motor and thrust plate. The inflexible cooling adjustment can easily lead to unstable operation of the magnetic levitation fan and subsequent failure. Summary of the Invention
[0006] The core of this invention lies in solving the problems of low heat dissipation efficiency and inflexible cooling adjustment leading to unstable equipment operation in existing magnetic levitation fan motors and thrust plates through a dynamic cooling structure that combines a thrust plate assembly with a heat exchange cover and an air-cooled cavity, along with a water-cooled equipment group, auxiliary cooling device, and cooling management system. This achieves the beneficial effects of improved heat dissipation efficiency, stable equipment operation, and optimized adaptability to operating conditions.
[0007] To solve the above problems, the present invention adopts the following technical solution.
[0008] A magnetic levitation fan with a cooling system includes a fan shaft and a motor installed in a housing. One end of the fan shaft is connected to a thrust disk assembly, which includes a thrust disk plate connected to the fan shaft. A heat exchange cover is connected to the thrust disk plate. One end of the housing is provided with an air-cooling cavity that matches the heat exchange cover. A flow guide channel is opened inside the heat exchange cover. A cooling assembly is provided on the outside of the casing, which includes a water-cooling unit. The water-cooled equipment group includes a water-cooled unit, with water-cooled pipes connected to the water-cooled unit surrounding the motor. The input end of the water-cooled pipes is connected to an auxiliary cooling device via a three-way solenoid valve. The auxiliary cooling device includes three sets of liquid storage pipes for storing coolant. Electric pistons for discharging coolant are installed on the liquid storage pipes. All three sets of liquid storage pipes are connected to the water-cooled unit and the water-cooled pipes. Two of the sets of liquid storage pipes are also connected to the heat exchange cover. Two sets of liquid storage pipes connected to the heat exchange cover alternately input coolant into the heat exchange cover. Only when one liquid storage pipe is full will the other liquid storage pipe output coolant. When the motor temperature exceeds the set threshold, the two sets of liquid storage pipes are activated to input coolant into the water cooling pipe to reset the coolant in the water cooling pipe.
[0009] Furthermore, both the input and output ends of the water-cooled pipe are connected to the water-cooled unit via check valves, and a liquid delivery pipe with a solenoid valve is connected between the water-cooled unit and the liquid storage pipe.
[0010] Furthermore, the water-cooled unit includes a circulating water pump, a water tank, and a heat exchanger. The coolant returning from the water-cooled pipes and heat exchange cover is cooled by the heat exchanger and then enters the water tank for retrieval. The circulating water pump retrieves the coolant from the water tank and outputs it.
[0011] Furthermore, the electric piston outputs the coolant from the reservoir and then resets itself. At the same time, the input end of the reservoir is opened, and the circulating water pump is adjusted to fill the reservoir with coolant.
[0012] Furthermore, the volume of the liquid storage tube is greater than the volume of the flow channel and half the volume of the water cooling tube.
[0013] Furthermore, the priority for the water-cooled pipe to call the liquid storage pipe is higher than the priority for the heat exchange cover to call the liquid storage pipe.
[0014] Furthermore, the output end of the heat exchange cover is connected to a secondary water pump, which is used to transport the coolant discharged from the heat exchange cover to the heat exchanger.
[0015] Furthermore, it also includes a cooling management system, which includes a processor mounted on the chassis, and a monitoring module, a data processing module, and a control module connected to the processor; The monitoring module is used to collect real-time monitoring data of various components inside the magnetic levitation fan during operation; The data processing module is used to receive, process, and analyze the data collected by the monitoring module. By analyzing the monitoring data, it determines the status of the motor and thrust plate assembly and generates corresponding control commands. The control commands include: starting auxiliary heat dissipation for the thrust plate assembly and triggering the auxiliary cooling device to provide emergency cooling protection for the motor. Control module: Based on the analysis results of the data processing module, it drives the execution components to perform preset actions; Data storage module: It is used to store the system's preset parameters and historical operating data.
[0016] Furthermore, the specific operation of initiating auxiliary heat dissipation for the thrust disk assembly in the control command includes: when the monitoring module detects that the temperature of the thrust disk assembly exceeds the preset temperature threshold 'a', the data processing module generates a control command to initiate auxiliary heat dissipation. According to the command, the control module selects and calls an electric piston of a liquid storage pipe to push a metered amount of coolant into the guide channel of the heat exchange cover. After the electric piston finishes outputting, it automatically resets and opens the solenoid valve at the input end of the liquid storage pipe. The circulating water pump fills the liquid storage pipe with coolant to maintain the alternating use state.
[0017] Furthermore, the specific operations of triggering the auxiliary cooling device to perform emergency cooling protection for the motor in the control command include: when the monitoring module detects that the motor temperature exceeds the preset safety threshold b, the data processing module immediately generates the highest priority command. The control module first controls the three-way solenoid valve to switch to the liquid storage pipe input mode, and simultaneously calls the electric pistons of the two sets of liquid storage pipes to push the coolant to be quickly injected into the water cooling pipe input end. At the same time, the control module can instruct the water cooling unit to stop circulation or reduce the flow rate of the circulating water pump to avoid the mixing of new and old coolant from affecting the rapid cooling effect.
[0018] Compared with the prior art, the advantages of this invention are: (1) This solution achieves efficient and coordinated cooling of the motor and thrust plate components, effectively preventing magnetic levitation failure caused by overheating. While the auxiliary cooling device assists in heat dissipation of the thrust plate components, it also provides emergency protection when the motor temperature is abnormal. In the emergency protection, the coolant can be quickly reset to avoid a sudden temperature rise, thus adapting to the needs of high-load industrial environments. Moreover, the overall design of the cooling components is compact and easy to integrate into existing fan assemblies.
[0019] (2) The alternating use mechanism of two sets of liquid storage pipes in the auxiliary cooling device ensures emergency protection of the motor at any time while assisting in heat dissipation of the thrust plate assembly. The overall design of the cooling assembly is compact and easy to integrate into the existing fan assembly. Attached Figure Description
[0020] Figure 1 This is a partial perspective view of the present invention; Figure 2 This is a partial sectional view of the fan shaft of the present invention; Figure 3This is a schematic diagram showing the connection between the magnetic levitation fan and the cooling assembly of the present invention; Figure 4 This is a cross-sectional view of the auxiliary cooling device of the present invention; Figure 5 This is a schematic diagram of the coolant path when the auxiliary cooling device of the present invention provides emergency cooling protection for the motor; Figure 6 This is a schematic diagram of the coolant path when the auxiliary cooling device of the present invention assists in heat dissipation of the thrust disk assembly; Figure 7 This is a system block diagram of the present invention.
[0021] Explanation of the labels in the diagram: 1. Fan shaft; 2. Motor; 3. Thrust disc assembly; 31. Thrust disc plate; 32. Heat exchange cover; 4. Water-cooled equipment group; 41. Water-cooled unit; 42. Water-cooled pipe; 43. Three-way solenoid valve; 5. Auxiliary cooling device; 51. Liquid storage pipe; 52. Electric piston. Detailed Implementation
[0022] The technical solutions will now be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention.
[0023] First implementation method: Please see Figures 1-6 A magnetic levitation fan with a cooling system includes a fan shaft 1 and a motor 2 installed in a housing. One end of the fan shaft 1 is connected to a thrust disk assembly 3. The thrust disk assembly 3 includes a thrust disk plate 31 connected to the fan shaft 1. A heat exchange cover 32 is connected to the thrust disk plate 31. One end of the housing is provided with an air-cooling cavity that matches the heat exchange cover 32. A flow guide channel is opened in the heat exchange cover 32. The output end of the heat exchange cover 32 is connected to an auxiliary water pump, which is used to transport the coolant discharged from the heat exchange cover 32 to the heat exchanger.
[0024] A cooling assembly is provided on the outside of the casing, which includes a water-cooling equipment group 4; The water-cooled equipment group 4 includes a water-cooled unit 41. A water-cooled pipe 42 communicating with the water-cooled unit 41 is surrounded on the motor 2. The input end of the water-cooled pipe 42 is connected to an auxiliary cooling device 5 through a three-way solenoid valve 43. The input and output ends of the water-cooled pipe 42 are both connected to the water-cooled unit 41 through a one-way valve. A liquid delivery pipe with a solenoid valve is connected between the water-cooled unit 41 and the liquid storage pipe 51. The water-cooled unit 41 includes a circulating water pump, a water tank, and a heat exchanger. The coolant returning from the water-cooled pipe 42 and the heat exchange cover 32 is cooled by the heat exchanger and then enters the water tank for retrieval. The circulating water pump retrieves the coolant from the water tank and outputs it to the water-cooled pipe 42 or the liquid storage pipe 51.
[0025] The auxiliary cooling device 5 includes three sets of storage pipes 51 for storing coolant. Electric pistons 52 for discharging coolant are installed on the storage pipes 51. All three sets of storage pipes 51 are connected to the water-cooled unit 41 and the water-cooled pipes 42. Two sets of storage pipes 51 are also connected to the heat exchange cover 32. During normal operation of the motor 2, circulating coolant is input into the water-cooled pipes 42 through the water-cooled unit 41 to cool the motor 2. After the electric piston 52 discharges the coolant from the storage pipes 51, it resets itself. Simultaneously, the input end of the storage pipes 51 opens, and the circulating water pump is adjusted to fill the storage pipes 51 with coolant. The volume of the storage pipes 51 is larger than the volume of the guide channel and half the volume of the water-cooled pipes 42, ensuring that the coolant completely discharged from a single storage pipe 51 can completely fill the guide channel within the heat exchange cover 32, and the coolant completely discharged from two storage pipes 51 can completely replace the coolant in the water-cooled pipes 42 surrounding the motor 2.
[0026] Two sets of liquid storage pipes 51, which are connected to the heat exchange cover 32, alternately input coolant into the heat exchange cover 32. Only when one liquid storage pipe 51 is full will the other liquid storage pipe 51 output coolant. When the temperature of the motor 2 is greater than the set threshold, both sets of liquid storage pipes 51 are activated to input coolant into the water cooling pipe 42 to quickly reset all the coolant in the water cooling pipe 42. During normal operation, one liquid storage pipe 51 can be selected to input a fixed amount of coolant into the heat exchange cover 32 to assist in its heat dissipation. The priority of water-cooled pipe 42 calling liquid storage pipe 51 is higher than that of heat exchange cover 32 calling liquid storage pipe 51. If heat exchange cover 32 encounters a call request from water-cooled pipe 42 while calling liquid storage pipe 51, the system will automatically interrupt the call request from heat exchange cover 32 according to the priority and prioritize satisfying the rapid injection requirement of water-cooled pipe 42.
[0027] The working process of this scheme is as follows: Under normal working conditions, the circulating water pump in the water-cooled unit 41 runs first, draws coolant from the water tank, enters the water-cooled pipe 42 through the one-way valve at the input end of the water-cooled pipe 42, the coolant circulates around the motor 2, absorbs heat, and then flows back to the heat exchanger for cooling through the one-way valve at the output end, and then enters the water tank to complete the circulating cooling process.
[0028] If the heat dissipation requirement of the thrust disk assembly 3 increases, one liquid storage pipe 51 can be selected. The electric piston 52 pushes a metered amount of coolant into the guide channel of the heat exchange cover 32. The coolant flows in the guide channel to absorb the heat of the thrust disk 31. The other set of unused liquid storage pipes 51 is in a full state. After the current liquid storage pipe 51 finishes outputting, the electric piston 52 automatically resets. At the same time, the liquid delivery pipe solenoid valve opens, and the circulating water pump fills the liquid storage pipe 51 with coolant, ensuring that the two sets of liquid storage pipes 51 are used alternately. Only when one set is full can the other set output, thus ensuring that there are always two sets of liquid storage pipes 51 filled with coolant and ready for use.
[0029] When the coolant in the guide channel is replaced, it is drawn out by the auxiliary water pump and returned to the heat exchanger for cooling through the output end; When the temperature sensor of motor 2 detects an abnormally high temperature, the control system immediately interrupts the normal process, prioritizes the use of the two liquid storage pipes 51, and switches the fluid input path of the water cooling pipe 42 through the three-way solenoid valve 43. The coolant is quickly injected into the input end of the water cooling pipe 42, replacing the original coolant in the water cooling pipe 42 on motor 2 to reset the cooling effect, thereby realizing emergency cooling protection for motor 2 by the auxiliary cooling device 5. The water cooling unit 41 can pause circulation or adjust the flow rate to assist in cooling according to the preset program (the preset program adopts existing technology, and the specific preset program shall be set by those skilled in the art according to the actual working conditions).
[0030] During the emergency cooling protection process, the water-cooled unit 41 adjusts its operating parameters according to the status of the motor 2 to deal with the abnormality. After the abnormality is handled, the system automatically restores the normal circulation of the water-cooled unit 41, and the liquid storage pipe 51 is reset and refilled after output, ready for the next use.
[0031] This embodiment achieves efficient and coordinated cooling of the motor 2 and the thrust plate assembly 3, effectively preventing magnetic levitation failure due to overheating. An auxiliary cooling device provides emergency protection in case of abnormal motor 2 temperature, rapidly resetting the coolant during emergency protection to prevent a sudden temperature rise, thus meeting the demands of high-load industrial environments. Furthermore, the alternating use mechanism of the two sets of liquid storage pipes in the auxiliary cooling device not only assists in heat dissipation of the thrust plate assembly 3 but also ensures continuous emergency protection for the motor 2. The overall cooling component has a compact design, facilitating integration into existing fan assemblies.
[0032] Second implementation method Please see Figure 7 This solution also includes a cooling management system, which includes a processor mounted on the chassis, and a monitoring module, a data processing module, a control module and a data storage module connected to the processor; The monitoring module is used to collect monitoring data of various components inside the magnetic levitation fan in real time during operation. The monitoring data includes key parameters such as motor 2 temperature, thrust plate assembly 3 temperature, water-cooled pipe coolant flow rate, liquid level in the storage pipe, and coolant temperature. The monitoring module provides raw data for system status judgment. The monitoring data is collected by installing sensors inside the magnetic levitation fan using existing technology, and appropriate sensors are selected and set by those skilled in the art. The data processing module is used to receive, process, and analyze the data collected by the monitoring module, determine the status of motor 2 and thrust disk assembly 3 by analyzing the monitoring data, and generate corresponding control commands. In the specific analysis, the data processing module compares preset thresholds such as the normal / abnormal temperature range of motor 2, the auxiliary heat dissipation temperature threshold of thrust plate assembly 3, and the full liquid level standard of the liquid storage tube to determine whether the working status of motor 2, thrust plate assembly 3 and cooling system operating parameters are normal, and generates control commands. The control commands include: starting auxiliary heat dissipation of thrust plate assembly 3 and triggering auxiliary cooling device 5 to provide emergency cooling protection for motor 2.
[0033] Control Module: Based on the analysis results of the data processing module, the control module drives the execution components to perform preset actions. These preset actions include: controlling the start and stop of the circulating water pump and its flow rate, and the working status of the heat exchanger; controlling the three-way solenoid valve to switch the fluid input path of the water cooling pipe; controlling the push / reset action of the electric piston of the liquid storage pipe and the opening and closing of the solenoid valve of the liquid delivery pipe to achieve alternating output and filling of the liquid storage pipe; controlling the start and stop of the auxiliary water pump to achieve coolant return through the heat exchange cover guide channel; and controlling the water cooling unit to pause or adjust the flow rate when motor 2 malfunctions, thus completing the cooling process switching and coolant distribution.
[0034] The specific operation for initiating auxiliary cooling of the thrust plate assembly 3 includes: when the monitoring module detects that the temperature of the thrust plate assembly 3 exceeds the preset temperature threshold 'a', the data processing module generates a control command to initiate auxiliary cooling. According to the command, the control module selects and calls an electric piston 52 of a liquid storage pipe 51 to push a metered amount of coolant into the guide channel of the heat exchange cover 32; after the electric piston 52 completes its output, it automatically resets and opens the solenoid valve at the input end of the liquid storage pipe 51, allowing the circulating water pump to fill the liquid storage pipe 51 with coolant to maintain an alternating use state.
[0035] When the coolant in the flow channel absorbs the heat of the thrust disk 31 and needs to be discharged, the auxiliary water pump starts to draw the coolant discharged from the heat exchange cover 32 to the heat exchanger for cooling and then back to the water tank. The system monitors the temperature parameters of the thrust disk assembly 3 in real time. When the temperature drops to the normal range, the data processing module generates a termination command, and the control module shuts down the auxiliary water pump and restores the normal cooling cycle.
[0036] The specific operations for triggering the auxiliary cooling device 5 to provide emergency cooling protection for the motor 2 include: when the monitoring module detects that the temperature of the motor 2 exceeds the preset safety threshold b, the data processing module immediately generates the highest priority instruction. The control module first controls the three-way solenoid valve 43 to switch to the input mode of the liquid storage pipe 51, and simultaneously calls the electric pistons 52 of the two sets of liquid storage pipes 51 to push the coolant to be quickly injected into the input end of the water cooling pipe 42, so as to replace the original coolant in the water cooling pipe in the shortest time. At the same time, the control module can instruct the water cooling unit to stop circulation or reduce the flow rate of the circulating water pump to avoid the mixing of new and old coolant from affecting the rapid cooling effect. During the coolant injection process, the system continuously monitors the temperature change of motor 2. When the temperature drops below the safety threshold or reaches the preset reset time, the data processing module generates a recovery command, and the control module switches the three-way solenoid valve back to the water-cooled unit input mode. The two sets of liquid storage pipes that have been output then enter the reset and filling process: the electric piston automatically resets, the liquid delivery pipe solenoid valve opens, and the circulating water pump fills the empty liquid storage pipe with coolant for the next call.
[0037] The data storage module is used to store system preset parameters (such as normal motor temperature threshold, abnormal high temperature threshold, auxiliary heat dissipation temperature threshold of thrust disk assembly 3, liquid storage pipe volume, standard value of coolant flow, etc.) and historical operating data such as temperature curves of motor 2 / thrust disk assembly 3, changes in coolant flow, fault occurrence time and type, etc., to provide data support for the status judgment of the data processing module and system maintenance and optimization.
[0038] The above description is merely a preferred embodiment of the present invention; it encompasses all the protection scope of the present invention. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present invention, based on the technical solutions and improved concepts of the present invention, should be covered within the protection scope of the present invention.
Claims
1. A magnetic levitation fan with a cooling system, comprising a fan shaft (1) and a motor (2) disposed within a housing, wherein one end of the fan shaft (1) is connected to a thrust disk assembly (3), characterized in that: The thrust disk assembly (3) includes a thrust disk plate (31) connected to the fan shaft (1), a heat exchange cover (32) is connected to the thrust disk plate (31), and a cooling cavity matching the heat exchange cover (32) is provided at one end of the housing. A flow guide channel is provided inside the heat exchange cover (32). A cooling assembly is provided on the outside of the casing, and the cooling assembly includes a water cooling equipment group (4). The water-cooled equipment group (4) includes a water-cooled unit (41), and a water-cooled pipe (42) communicating with the water-cooled unit (41) is surrounded on the motor (2). The input end of the water-cooled pipe (42) is connected to an auxiliary cooling device (5) through a three-way solenoid valve (43). The auxiliary cooling device (5) includes three sets of liquid storage pipes (51) for storing coolant. An electric piston (52) for outputting coolant is installed on the liquid storage pipe (51). All three sets of liquid storage pipes (51) are connected to the water-cooled unit (41) and the water-cooled pipe (42). Two of the sets of liquid storage pipes (51) are also connected to the heat exchange cover (32). Two sets of liquid storage pipes (51) connected to the heat exchange cover (32) alternately input coolant into the heat exchange cover (32), and only when one liquid storage pipe (51) is full will the other liquid storage pipe (51) output; when the temperature of the motor (2) is greater than the set threshold, the two sets of liquid storage pipes (51) are called to input coolant into the water cooling pipe (42) to reset the coolant in the water cooling pipe (42).
2. A magnetic levitation fan with a cooling system according to claim 1, characterized in that: The input and output ends of the water-cooled pipe (42) are connected to the water-cooled unit (41) through a one-way valve. The water-cooled unit (41) and the liquid storage pipe (51) are connected by a liquid delivery pipe with a solenoid valve.
3. A magnetic levitation fan with a cooling system according to claim 2, characterized in that: The water-cooled unit (41) includes a circulating water pump, a water tank and a heat exchanger. The coolant flowing back from the water-cooled pipe (42) and the heat exchange cover (32) is cooled by the heat exchanger and then enters the water tank for retrieval. The circulating water pump retrieves the coolant from the water tank and outputs it.
4. A magnetic levitation fan with a cooling system according to claim 3, characterized in that: The electric piston (52) outputs the coolant from the reservoir (51) and then resets itself. At the same time, the input end of the reservoir (51) is opened, and the circulating water pump is adjusted to fill the reservoir (51) with coolant.
5. A magnetic levitation fan with a cooling system according to claim 4, characterized in that: The volume of the liquid storage tube (51) is greater than the volume of the flow channel and half the volume of the water cooling tube (42).
6. A magnetic levitation fan with a cooling system according to claim 5, characterized in that: The priority of the water-cooled pipe (42) calling the liquid storage pipe (51) is greater than the priority of the heat exchange cover (32) calling the liquid storage pipe (51).
7. A magnetic levitation fan with a cooling system according to claim 6, characterized in that: The output end of the heat exchange cover (32) is connected to an auxiliary water pump, which is used to transport the coolant discharged from the heat exchange cover (32) to the heat exchanger.
8. A magnetic levitation fan with a cooling system according to claim 7, characterized in that: It also includes a cooling management system, which includes a processor mounted on the casing, and a monitoring module, a data processing module, and a control module connected to the processor. The monitoring module is used to collect monitoring data of each component inside the magnetic levitation fan in real time when it is working. The data processing module is used to receive, process and analyze the data collected by the monitoring module, determine the status of the motor (2) and the thrust disk assembly (3) by analyzing the monitoring data, and generate corresponding control commands. The control commands include: starting the auxiliary heat dissipation of the thrust disk assembly (3) and triggering the auxiliary cooling device (5) to provide emergency cooling protection for the motor (2). The control module drives the execution component to perform preset actions based on the analysis results of the data processing module; the data storage module is used to store system preset parameters and historical operating data.
9. A magnetic levitation fan with a cooling system according to claim 8, characterized in that: The specific operation of starting auxiliary heat dissipation of the thrust disk assembly (3) in the control command includes: when the monitoring module detects that the temperature of the thrust disk assembly (3) exceeds the preset temperature threshold a, the data processing module generates a control command to start auxiliary heat dissipation. According to the command, the control module selects and calls an electric piston (52) of a liquid storage pipe (51) to push a quantitative coolant into the guide channel of the heat exchange cover (32). After the electric piston (52) finishes output, it automatically resets and opens the solenoid valve at the input end of the liquid storage pipe (51). The circulating water pump fills the liquid storage pipe (51) with coolant to maintain the alternating use state.
10. A magnetic levitation fan with a cooling system according to claim 8, characterized in that: The specific operation of triggering the auxiliary cooling device (5) to perform emergency cooling protection for the motor (2) in the control command includes: when the monitoring module detects that the motor temperature exceeds the preset safety threshold b, the data processing module immediately generates the highest priority command. The control module first controls the three-way solenoid valve (43) to switch to the liquid storage pipe (51) input mode, and simultaneously calls the electric pistons (52) of the two sets of liquid storage pipes (51) to push the coolant to be quickly injected into the input end of the water cooling pipe (42). At the same time, the control module commands the water cooling unit to suspend circulation or reduce the flow rate of the circulating water pump to avoid the mixing of new and old coolants affecting the rapid cooling effect.
Citation Information
Patent Citations
Impeller self-suction cooling type magnetic suspension fan
CN113217426A
A method and device for air-cooling a magnetic levitation fan
CN114876878B