137results about How to "Guaranteed temperature uniformity" patented technology

The invention relates to a heating furnace temperature coupling type control system and method based on grid temperature measurement, and belongs to the field of industrial heating furnaces. The heating furnace comprises a heating furnace body, a grid temperature measurement system, a coupling type control system and a furnace temperature control method. The heating furnace body is divided into different areas, and the grid temperature measuring system is composed of a plurality of high-temperature gas sensors and used for measuring the flue gas temperature of the different areas in the furnace. The coupling type control system comprises a pulse type combustion control system and a section adjusting type combustion control system, operation of the combustor can be adjusted in real time according to the difference between the temperature in the furnace and the set temperature, and therefore accurate control over the temperature in the furnace is achieved. According to the control method, different control strategies are adopted according to furnace blanks in different temperature ranges. By means of the method, efficient and accurate control over the temperature in the heating furnace can be achieved, meanwhile, energy consumption is optimized, and heating quality is improved.

The utility model discloses intelligent wire enamel stirring kettle equipment which comprises a kettle body, a kettle cover arranged at the top end of the kettle body, a discharge port arranged at the bottom end of the kettle body, a feed port arranged at the top end of the kettle cover, a stirring shaft arranged in the kettle body, a stirring rod arranged on the stirring shaft, a speed regulating motor connected with the stirring shaft, and a rotating speed regulator connected with the speed regulating motor. The rotating speed regulator is connected with the main controller; a supporting rod is arranged in the kettle body, a temperature sensor is arranged on the supporting rod, a heating device is arranged on the kettle body, the temperature sensor is connected with a main controller, the main controller is connected with a temperature controller, and the temperature controller is connected with the heating device; in general, the device has the advantages of multi-point detection, flexible adjustment, good stirring quality and high efficiency.

The utility model relates to the field of heat treatment equipment. A metal electric heating element and at least two layers of metal reflecting screens are arranged in a furnace body, a vacuum system and an external water cooling system are further integrated in the furnace body, and the furnace body is further provided with a high-pressure air inlet for introducing high-pressure gas. A plurality of layers of metal reflecting screens are adopted in the hot area of the brazing furnace, so that the cleanliness of the hot area can be guaranteed while effective heat preservation and material cost reduction are achieved; a metal heating element is adopted, so that the cleanliness is kept on the premise of ensuring the uniformity of the temperature in the furnace; the vacuum system adopts two roots vacuum pumps, so that the exhaust capacity and the exhaust speed are increased, the exhaust time is shortened, and the working efficiency of the vacuum system is improved; the external water-cooling system solves the problem of overheating deformation through the water-cooling interlayer, the working efficiency of the brazing furnace is improved, the heat exchanger is convenient to clean and maintain, and the side water-cooling system is favorable for reducing the total height of equipment and is convenient to install in a plant with insufficient floor height.

The utility model discloses a drawer type concrete test piece intelligent curing cabinet which comprises a temperature adjusting device used for adjusting the internal temperature of the curing cabinet and a humidity adjusting device used for adjusting the internal humidity of the curing cabinet, and the curing cabinet is provided with a plurality of drawers used for placing concrete test pieces. The drawers and a cabinet body of the curing cabinet form a closed curing space of a concrete test piece, grating holes are formed in the bottom of each drawer, a spraying head is correspondingly arranged above each drawer, each spraying head is connected with the humidity adjusting equipment through a pipeline, and a temperature and humidity sensor is arranged in the curing cabinet. According to the utility model, the maintenance efficiency of the concrete test piece and the working efficiency of testers can be improved.

The invention discloses novel copper plate strip alloy composition heat treatment equipment, and relates to the technical field of copper plate strip alloy heat treatment.The novel copper plate strip alloy composition heat treatment equipment comprises a fixing frame, a heating furnace is installed on the upper surface of the fixing frame, and a feeding port and a discharging port are formed in the two ends of the heating furnace respectively; according to the equipment, copper plate strip alloy is conveyed into the heating furnace at a constant speed, it is guaranteed that the standing time of the copper plate strip alloy in the heating furnace is consistent, then the time of heat treatment on the copper plate strip alloy in the heating furnace is the same, and different positions of the copper plate strip alloy are subjected to heat treatment with the same effect; and the end, entering the heating furnace, of the copper strip alloy is always located on the same horizontal plane as the feeding port of the heating furnace, so that the copper strip alloy is prevented from being bent or twisted due to the fact that the height of the end, entering the heating furnace, of the copper strip alloy is different from that of the feeding port, and material deformation is prevented.

The invention relates to the technical field of gas stoves, and discloses a combustor and a gas stove. The burner comprises a burner cap assembly and a gas distribution disc, the burner cap assembly comprises a burner cap and a gas distribution disc, the burner cap is located above the gas distribution disc, and a gas mixing chamber is defined by the burner cap and the gas distribution disc; an outlet of the premixing cavity is communicated with the gas mixing chamber; the pipeline is communicated between the outlet of the premixing cavity and the inlet of the gas mixing chamber; the first ejector communicates with an inlet of the premixing cavity and is used for ejecting fuel gas to the premixing cavity. According to the combustor, the premixing cavity is arranged, so that components such as a furnace end and a sealing piece do not need to be additionally arranged, the structural complexity of the combustor is reduced, the sealing performance of the connecting position of the components such as the furnace end or the sealing piece does not need to be considered, and the structure of the combustor is simplified while the uniform temperature effect and the sealing performance of the combustor are guaranteed.

The invention relates to the technical field of heat dissipation of microelectronic components, in particular to a phase-change heat dissipation device with a spiral coil structure for a microtube heating component, which comprises a base tube, an inner-layer heat dissipation assembly and an outer-layer heat dissipation assembly, and is characterized in that the inner-layer heat dissipation assembly comprises a phase-change heat dissipation layer arranged in a tube shell and a heat source micro-pipeline embedded in the phase-change heat dissipation layer; comprising an outer-layer heat dissipation component inserted into a phase change heat dissipation layer, a heat removal component arranged on a tube shell, an air inlet component arranged on the heat removal component and a driving component arranged on the tube shell, through the arrangement of the outer-layer heat dissipation component, a heat dissipation plate conducts heat dissipation on the phase change heat dissipation layer, the heat dissipation area is increased, and through the arrangement of a heat dissipation cover, the heat dissipation effect is improved. Passive heat dissipation and active heat dissipation are combined, and the efficiency of passive heat dissipation is improved.

The utility model discloses an ultrasonic stirring device for honey preparation, which comprises a stirring tank (1), an inner tank body (2) is arranged in the stirring tank (1), a temperature adjusting pipe (3) is arranged between the stirring tank (1) and the inner tank body (2), a driving motor (4) is arranged outside the inner tank body (2), an output shaft of the driving motor (4) is connected with a rotating disc (41), and the rotating disc (41) is connected with a rotating shaft of the stirring tank (1). A stirring shaft (42) extending into the inner tank body (2) and a plurality of ultrasonic oscillators (43) surrounding the periphery of the stirring shaft (42) are arranged on the rotating disc (41), and a plurality of layers of stirring blades (44) are arranged on the stirring shaft (42). The honey mixing device has the characteristics of improving honey mixing and temperature uniformity and improving honey quality.

The utility model discloses a cooling water ring for quenching a steel pipe, which is used for quenching and cooling the steel pipe and comprises an inlet cooling water ring and a middle cooling water ring, and the inlet cooling water ring is of an annular structure with a first annular cavity inside; the inner surface of the annular structure of the inlet cooling water ring is provided with a first water outlet surface inclined relative to the moving axis of the steel pipe, and the first water outlet surface surrounds to form a conical surface shape; the circumferential diameter of a conical surface formed by the first water outlet surface is gradually increased in the feeding direction of the steel pipe; a plurality of first water outlet holes are uniformly distributed in the first water outlet surface, and the first water outlet holes are communicated with the first annular cavity; one end face of the inlet cooling water ring is provided with at least one first water inlet hole, and the first water inlet hole is communicated with the first annular cavity. According to the utility model, the steel pipe can be uniformly cooled after being quenched, and inconsistent water yield caused by long-term use can be avoided.

The invention discloses a refrigeration system and a refrigeration method of a high-capacity battery pack, the system comprises a battery compartment and a cooling liquid filled in the battery compartment, a frame body immersed in the cooling liquid is mounted in the battery compartment, a plurality of layers of battery cell groups are arranged on the frame body, and each layer of battery cell group is provided with a plurality of battery cells directly contacted with the cooling liquid; wherein an evaporation copper pipe wound on the frame body is further arranged in the battery bin, the evaporation copper pipe is communicated with a refrigeration device located outside the battery bin, and the refrigeration device and the evaporation copper pipe are filled with refrigerants, so that heat in the cooling liquid is transferred to the outside of the battery bin through evaporation heat absorption of the refrigerants in the evaporation copper pipe and liquidation heat release of the refrigerants in the refrigeration device. According to the present invention, by using the characteristics of the phase change of the refrigerant in the evaporation copper pipe and the large specific heat capacity and the high heat exchange coefficient of the cooling liquid, the heat of the battery cells can be rapidly taken away, the heat dissipation efficiency can be improved, the uniform temperature effect of each battery cell can be ensured, the high-power liquid cooling unit does not need to be adopted, and the energy consumption can be substantially reduced.

This invention discloses an optimized method for stator and rotor welding processes in the field of motor manufacturing, comprising the following steps: improving welding quality through pretreatment, coating with modified composite materials, and optimizing laser welding parameters. During pretreatment, the stator and rotor areas to be welded are sanded with 800-1200 grit sandpaper, followed by ultrasonic cleaning with acetone or alcohol for 10-15 minutes to achieve a surface roughness Ra ≤ 1.6 μm; a 0.1-0.3 mm thick layer of modified composite material is coated onto one surface and dried at 80-120°C for 1-2 hours; laser welding is employed, with the molten pool temperature monitored at 1800-2200°C during welding; immediately after welding, the welded parts are placed in a holding furnace at 200-300°C for slow cooling for 2-4 hours, and then cooled to room temperature at a rate of 5-10°C / min. This method effectively improves the strength, toughness, and crack resistance of the welded joint, reduces the heat-affected zone, and minimizes deformation.

This invention discloses a continuous melt-infiltration lamination device and process for thermoplastic prepreg fabrics, relating to the field of thermoplastic fiber prepreg processing technology. A resin film unwinding device is used to wind a thermoplastic resin film; a pre-forming device is used to simultaneously pressurize and pre-form the fiber planar fabric and the thermoplastic resin film under set pre-forming heating temperature and pressure conditions; the reverse lamination roller of the continuous melt-infiltration lamination device rotates in the opposite direction to the traction direction of the fiber planar fabric pre-laminated with the thermoplastic resin film; the pre-formed fiber / resin film laminate structure is applied to the surface of the reverse lamination roller with an S-shaped wrap angle; a hot-pressing melt-lamination lamination zone is formed between the contact surfaces of the reverse lamination roller and the half-roller hot-pressing assembly; a traction device is used for traction and winding of the melt-infiltrated thermoplastic resin prepreg. This invention can improve the hot-melt effect between the fiber fabric and the film thermoplastic resin, facilitate the expulsion of gas from the fiber filaments, and effectively improve the overall density of the prepreg fabric.

The invention relates to the technical field of pressure drop adjustment, in particular to a shelf calandria refrigerant pressure drop self-adaptive adjustment method and system, and the method comprises the steps: determining a plurality of target calandria groups based on a shelf calandria; executing the following operations on each target calandria group in the plurality of target calandria groups: determining a target pressure drop range based on the target calandria group; acquiring an initial pressure monitoring value set group based on the pressure monitoring unit and a target calandria group; acquiring an actual pressure drop based on the pressure difference analysis unit and the initial pressure monitoring value set group; a pre-built refrigerant valve is adjusted based on the flow adjusting unit, the actual pressure drop and the target pressure drop range, an updated valve is obtained, and an updated pressure drop is obtained based on the updated valve; and realizing pressure drop self-adaptive adjustment based on the updated pressure drop. According to the invention, accurate adjustment of the pressure drop of the refrigerant can be realized.

The utility model relates to biological engineering equipment technical field, concretely relates to a biochemical incubator, including base, is equipped with the box on the base, is fixed in the box incubator, is pasted with the conduction sheet on the incubator, and the semiconductor refrigeration heating module is connected with the conduction sheet, and one side of the box is equipped with air filtration system, and is communicated with the incubator through the circulation pipe, and the ultrasonic humidifier is equipped below the semiconductor refrigeration heating module, and is communicated with the incubator through the pipeline, and the incubator is equipped with the sealed door, and there is the gap between the incubator and the box and forms the heat insulation layer, and the controller is connected with the temperature and humidity sensor group, gas sensor group electric signal, can automatically regulate and control each module according to real -time data.

The utility model belongs to the field of batteries, and particularly relates to a novel liquid-cooled side plate battery which comprises a battery box, a battery cell module and liquid-cooled side plates, the battery cell module and the liquid-cooled side plates are arranged in the battery box, the liquid-cooled side plates are provided with bosses, and the liquid-cooled side plates are arranged on two opposite sides of the battery cell module. The bosses of the liquid cooling side plates are all arranged between adjacent battery cells of the battery cell module and located between two adjacent battery cells, the bosses are connected with aerogel, the two opposite ends of the aerogel are both connected to the bosses, and the thickness of the bosses is larger than that of the aerogel. According to the utility model, the use of aerogel is reduced, and the cost is reduced; and an enough expansion space is provided for the battery cell.

This utility model discloses a battery box structure and an energy storage battery system. The battery box structure includes a tray; a top cover is provided on the top of the tray; the front panel of the top cover is provided with a first panel and a second panel; the tray includes a liquid-cooled base plate; the liquid-cooled base plate includes multiple profile base plates; any two adjacent profile base plates are fixedly connected; the top of the profile base plates is used to place multiple individual battery cells; the profile base plates are provided with a first flow channel cavity for liquid inlet and a second flow channel cavity for liquid outlet, as well as an inlet port communicating with the first flow channel cavity and an outlet port communicating with the second flow channel cavity; the first flow channel cavity and the second flow channel cavity are connected; a liquid distribution module is provided at the front end of the liquid-cooled base plate; the liquid distribution module includes a liquid inlet cavity communicating with the liquid inlet and an outlet cavity communicating with the liquid outlet, which are separated from each other; an inlet water nozzle and an outlet water nozzle are respectively provided at both ends of the liquid distribution module. This utility model can reliably dissipate heat and heat the battery inside the box, ensuring heat dissipation and temperature uniformity, and improving the temperature consistency of the battery inside the box.

A top liquid cooling energy storage battery box comprises a box body, a battery module, a liquid cooling plate and a water inlet and outlet component, the box body comprises a lower box body and a box cover, the top of the lower box body is open, the battery module is fixed in the lower box body, the box cover covers the top of the lower box body, and insulating sheets are fixed on the inner side of the bottom surface of the lower box body and the inner side of the box cover; the liquid cooling plate is located at the top end of the battery module, the battery module comprises a plurality of battery monomers and a busbar located at the top end of the battery monomers, the surface of the liquid cooling plate is coated with an insulating material, a heat-conducting structural adhesive is filled between the liquid cooling plate and the busbar, the liquid cooling plate is connected with a water inlet and outlet part, and the water inlet and outlet part is used for inlet and outlet of cooling liquid. According to the utility model, the busbar can be directly cooled, so that cold energy is transferred to the whole battery through the tabs and the current collector, and the temperature and temperature difference of the battery are quickly reduced; the utility model belongs to the technical field of energy storage batteries.

The invention provides a heat dissipation assembly, a controller and a control method, and the heat dissipation assembly comprises a heat conduction housing which is internally provided with a heat conduction channel and is provided with at least two heat conduction regions which are arranged in the extension direction of the heat conduction channel; the at least two heat conduction parts are movably arranged in the heat conduction channel and arranged in the extending direction of the heat conduction channel, and the at least two heat conduction parts and the at least two heat conduction areas are arranged in a one-to-one correspondence mode; wherein the heat dissipation assembly has a first heat dissipation state and a second heat dissipation state; when the heat dissipation assembly is in a first heat dissipation state, each heat conduction part is opposite to the corresponding heat conduction area; and when the heat dissipation assembly is in the second heat dissipation state, at least part of each heat conduction part and the corresponding heat conduction area are arranged in a staggered mode, and the heat conduction part and the adjacent heat conduction area of the corresponding heat conduction area are oppositely arranged. Through the technical scheme provided by the invention, the technical problem that a fusion domain controller in the prior art is relatively large in temperature difference in different regions can be solved.

The utility model relates to fuel cell heat exchange technical field discloses fuel cell cooling water loop temperature equalization type spiral heat exchange pipe, including battery case, the right side fixed coupling of battery case has the supporting plate, the inboard fixed coupling of battery case has the polar plate, the inboard of polar plate is provided with heat pipe mechanism, the top of battery case is provided with temperature measuring mechanism, the top of supporting plate is provided with flow channel control mechanism, flow channel control mechanism is used for the flow rate of different heat pipe flow channel of selection adjustment, the top right end rear side of battery case is provided with filter mechanism, filter mechanism is used for filtering the impurity in coolant. In the utility model, the control of each branch flow channel coolant flow, according to temperature balance each flow channel flow, improve the temperature difference of different area of battery, effectively reduce the phenomenon that some area temperature is too high, effectively keep fuel cell cooling water loop overall temperature equalization.

The utility model relates to the technical field of refrigeration equipment, in particular to an air duct assembly and refrigeration equipment. The air duct assembly is arranged on the inner top wall of a refrigeration cavity of the refrigeration equipment and comprises an air duct cover plate and a drainage assembly, the air duct cover plate and the inner top wall of the refrigeration equipment can form a top air duct, the top air duct can contain a draught fan and an evaporator in the refrigeration equipment, and the air duct cover plate is further provided with an air outlet. The air outlet can discharge air towards the opening end of a refrigeration cavity of the refrigeration equipment, the drainage assembly is arranged at the end, away from the air outlet, of the air duct cover plate, and a drainage opening is formed in the bottom of the drainage assembly. The air duct cover plate can achieve the effects of air guiding and flow guiding. The air outlet can discharge air towards the opening end of the refrigeration chamber, and articles close to the opening end of the refrigeration chamber can be refrigerated in time, so that the temperature uniformity in the refrigeration chamber is ensured.

The invention discloses a mica ceramic heating plate and an assembling method thereof, and belongs to the technical field of electric heating equipment, the heating plate comprises a plate body assembly, the plate body assembly comprises an upper plate cover and a lower plate seat, one end of the lower plate seat is provided with a mounting groove matched with the upper plate cover, and the other end of the lower plate seat is provided with a cavity communicated with the mounting groove; a heating assembly is arranged in the mounting groove and located between the upper disc cover and the lower disc base, the heating assembly comprises a base plate matched with the mounting groove and mica sheets arranged on the surfaces of the two sides of the base plate, and the mica sheets on the two sides of the base plate are flexibly attached to the lower disc base and the upper disc cover respectively. According to the heating disc of the scheme, thermal resistance caused by air gaps in the heating disc can be eliminated, and heat is efficiently conducted to the heating disc; meanwhile, stress generated by thermal expansion and cold contraction of an internal structure can be effectively absorbed, damage such as cracking of the disc body is prevented, and the service life of the disc body is effectively prolonged. According to the scheme, the assembly method is simple, and heat loss caused by air gaps in the heating disc can be effectively eliminated.

The invention discloses a plugging test device for simulating application conditions, which comprises a test cavity filled with turbid seawater, an underwater socket is fixedly connected to one side, close to the inside of the test cavity, of one end of the test cavity, and an underwater plug is movably connected to one side, close to the inside of the test cavity, of the other end of the test cavity. The underwater plug and the underwater socket are subjected to a plugging test in a turbid seawater environment; the test cavity is also provided with a pressure control assembly used for adjusting the water pressure of the turbid seawater, a heating assembly used for adjusting the temperature of the turbid seawater, an insertion return loss tester used for testing the optical fiber loss in the insertion and extraction process, and a stirring assembly used for stirring the turbid seawater and adjusting the flowing direction of the seawater. The lower end of the testing cavity is provided with an adjusting assembly used for adjusting the inclination angle of the testing cavity. The invention provides the plugging test device for simulating the application working condition, which can simulate a complex underwater environment and perform cable connection test.

The utility model relates to the technical field of wire and cable production, and discloses a cable cooling device which comprises a cooling tank, a cable pulley, a supporting plate, a ball screw, a nut for the screw, a linear optical shaft, a linear bearing and a moving plate. In the using process, the ball screws on the two sides can rotate under the driving of external force. Under the guiding and supporting effects of the linear unthreaded shafts and the linear bearings on the two sides, the lead screws on the two sides can drive the movable plates on the two sides to move through nuts. Therefore, the cooling water in the cooling tank is stirred to flow, so that the cooling water in the cooling tank is in a non-flowing state. The temperature uniformity of the cooling water is ensured, and the phenomenon that the temperature of local cooling water is too high or too low is avoided. And the cooling effect of water is fully exerted while the cooling effect of the wire and cable is improved.

The application discloses a kind of based on inflation plate's spray type liquid cooling battery energy storage cabinet and control method, including energy storage cabinet cabinet and heat management module, the battery pack containing electric core is placed in the energy storage cabinet cabinet inside, spray cooling module, fire-fighting module, control module and energy storage converter module;It also discloses a kind of control method simultaneously, so that electric core works at optimum temperature, guarantees electric core safety, prolongs electric core life;Adopt spray liquid cooling mode, contact thermal resistance is lower, surface temperature uniformity is better;Each module is using module integration design, space structure is compact, installation mode is simple, flexibility is high, adapts to different size energy storage battery pack.

The invention relates to the technical field of ceramic product manufacturing, and discloses a rapid color development generation method, device and equipment of ceramic pug and a medium, the method comprises the following steps: obtaining a rendering image of a product to be processed, and extracting a mud color gamut value from the rendering image; extracting color gamut data features by using a feature extraction algorithm, inputting the color gamut data features into a first threshold monitoring model for matching, and determining a reference threshold interval corresponding to the mud blank components and the firing conditions; carrying out shaping and firing treatment according to the reference threshold interval, and obtaining a real-time color gamut value of the outer surface of the pug prototype in the firing process; and dynamically evaluating the sintering state of the pug prototype by using the second threshold monitoring model, and controlling heating termination and cooling according to the sintering state. According to the invention, accurate evaluation of the firing state and intelligent control of heating termination and cooling start are realized, the problems of dependence on manpower, feedback lag and high trial and error cost of a traditional process are effectively solved, the accuracy and consistency of pug color development are improved, and the trial and error frequency and energy consumption are reduced.

The invention provides a side leading-in type air duct system for a railway vehicle. The side leading-in type air duct system comprises an air duct body, an air inlet channel and air exhaust channels, wherein the air inlet channel is arranged at the top end of the air duct body and allows fresh air to enter, and the air exhaust channels are arranged on the two sides of the air duct body and used for guiding the fresh air into a passenger room.

The present application discloses an online monitoring system and method for a fiber cement board production line, which relates to the field of intelligent monitoring. It uses a time series of multiple real-time steam temperatures collected by multiple temperature sensors deployed inside the cylinder, and uses data processing and analysis technology based on deep learning to perform time series encoding and spatial aggregation of the real-time temperatures of each steam, so as to automatically determine whether steam needs to be introduced according to the temperature distribution representation characteristics calculated between the time series characteristics of the real-time steam temperatures and the temperature spatial aggregation representation characteristics. In this way, through the automated temperature monitoring system, the dependence on manual experience is reduced, and the accuracy and response speed of temperature control are improved. In addition, the system can automatically determine the need for steam introduction, thereby optimizing the temperature distribution and ensuring the temperature uniformity of each area in the curing room, thereby improving the level of intelligence in cement board curing production control.

This invention discloses a rolling method for Ti80 titanium alloy thin plates. The rolling method includes the following steps: 1. Rolling in a first heat to obtain a first rolled slab; 2. Cutting to obtain a first intermediate slab; 3. Rolling in a second heat to obtain a second rolled slab; 4. Cutting to obtain a second intermediate slab; 5. Rolling in a third heat to obtain a third rolled slab; 6. Cutting to obtain a third intermediate slab; 7. Covering with a steel clasp to obtain a covered lap-rolled ladle; 8. Rolling in a fourth heat, then unpacking, and finally performing shaping annealing to obtain the Ti80 titanium alloy thin plate. This rolling method, by controlling the rolling temperature at different heats and employing reversing cross-rolling between heats, combined with online reheating in the furnace, reduces the significant cracking of titanium alloys caused by temperature drops in traditional processes. It produces Ti80 titanium alloy thin plates with uniform and fine equiaxed α grains in the microstructure and meeting mechanical property requirements, suitable for shipbuilding, machinery, chemical, and petroleum industries.

The utility model relates to copper aluminum foil direct current induction heating equipment. The copper-aluminum foil direct-current induction heating equipment comprises a power assembly, a transmission assembly driven by the power assembly, a magnetic disk assembly driven by the transmission assembly to rotate and a complete machine control circuit. The power assembly is composed of a motor base, a servo motor module fixedly arranged on the motor base, a servo motor driver of the servo motor module and a motor base fixedly arranged on the motor base. The transmission assembly is composed of a vertical support plate fixedly arranged on the motor base, a rotating shaft vertically arranged at the other end of the vertical support plate, a synchronous belt wheel module arranged on the motor and the rotating shaft in a sleeving mode, and rotating connecting plates arranged at the positions, located at the two ends of the vertical support plate, of the rotating shaft. The magnetic disk assembly is composed of a magnetic disk base, a square magnet yoke, a magnetic disk cover plate and magnetic disk internal magnets evenly distributed on the magnetic disk cover plate, wherein the square magnet yoke and the magnetic disk cover plate are coaxially and sequentially installed along the magnetic disk base.