417 results about "Motor protection" patented technology

The invention discloses a sampling implementation method and system suitable for motor protection quick response, belongs to the technical field of motor protection, and can increase the sampling frequency and improve the quick response of motor fault protection. Comprising the steps that motor phase current and bus voltage are collected, after anti-aliasing filtering is conducted, parallel sampling is conducted through a main ADC module and a redundant ADC module which are independently configured, and the following operations are synchronously executed based on a double-buffer-area framework: in a first buffer area, a compensation coefficient updating period is dynamically adjusted, and convergence is restrained; in the second buffer area, generating a voltage gradient prediction sequence, and compensating data abrupt change; when the harmonic frequency spectrum amplitude or the voltage gradient prediction sequence exceeds the limit, an oversampling mode is triggered, a redundant ADC module is allocated to load a multi-order digital filter, and an independent hardware acceleration unit is started to process harmonic compensation and gradient prediction in parallel; and generating a dynamic safety envelope, and if the gradient extreme value in the preset continuous window breaks through the safety envelope, generating an overvoltage fault signal.

The invention relates to an integrated protection magnetic suspension motor and a magnetic suspension vacuum pump, and belongs to the technical field of magnetic suspension motor protection. In the magnetic suspension motor, a front backboard is arranged at the front end of a casing, a tail end cover and a tail end cover are arranged at the rear end of the casing, the casing, the front backboard, the tail end cover and the tail end cover form an installation cavity, and a front protection bearing seat, a front radial magnetic bearing seat, a rear protection bearing seat and a rear radial magnetic bearing seat are installed in the installation cavity. And a seam and a connecting surface between the bearing seats are prevented from being exposed outside. Only one air inlet and one air outlet are formed in the machine shell, leakage points are reduced through the design of the single air inlet and the single air outlet, and protection above IP54 is achieved. Meanwhile, heat dissipation and protection of the motor are considered at the same time through the design.

The invention relates to the technical field of motor protection, in particular to a protection device for an electric tricycle motor, which comprises a motor body, a transmission mechanism mounted on the motor body, a protection mechanism mounted on the transmission mechanism, a cleaning mechanism mounted on the protection mechanism, a connecting mechanism mounted on the motor body, and a locking mechanism mounted on the motor body. A sealing mechanism is mounted on the connecting mechanism; the bottom of the motor body is shielded and protected through the protection mechanism, sundries on the protection mechanism are scraped through the cleaning mechanism, corrosion of the motor body is reduced, heat dissipation is facilitated, the motor body and the transmission mechanism are quickly disassembled and assembled through matched installation of the connecting mechanism and the locking mechanism, follow-up maintenance is facilitated, and the sealing mechanism is installed, so that the sealing performance of the motor is improved. And the sealing mechanism is driven by the connecting mechanism, so that the sealing mechanism is tightly sealed.

The utility model discloses an anti-immersion American transformer station comprising a box station, the two ends of the front side of the box station are rotatably connected with station doors, the outer side of the box station is fixedly provided with a waterproof plate, the upper part of one side of the box station is fixedly provided with a motor protection cover, the front side of the box station is fixedly provided with a rubber frame, and the surface of the rubber frame is provided with a clamping groove. Magnet pieces are evenly arranged on the surface of a clamping groove in the surface of the rubber frame in an adhesive mode, a rubber clamping ring is fixed to the surface of the station door, and a metal piece is arranged in the rubber clamping ring. According to the anti-immersion American transformer substation, the anti-seepage effect of the American transformer substation can be improved through clamping and sealing of the L-shaped waterproof plates at the heat dissipation holes in the surface of the box station, the rubber frame in the box station and the rubber clamping ring on the surface of the station door.

The invention relates to the technical field of education and practical training, in particular to a low-voltage electrician special operation practical training examination system. A power supply module; the operation module is used for allowing examinees to complete various practical operation items; the data acquisition module is used for acquiring sequence, position and correctness data of wiring of examinees and analyzing motor steering, phase sequence and open-phase and short-circuit fault states; the motor protection module is connected with the main control module, and is used for monitoring the running state of the motor, performing overload, short circuit, undervoltage, overvoltage and open-phase protection, and executing a protection action of cutting off a power supply when an abnormality is monitored; an automatic scoring module; a remote communication module; an identity recognition module; and the evaluation system module is used for verifying the identity recognition information of the examinees and automatically extracting and displaying examination questions after the identity verification is completed. According to the application, full-process module collaboration is realized, and the effects of automatic management, data acquisition and analysis of motor practical operation evaluation are realized.

The invention relates to the technical field of motor protection, and discloses a high-efficiency motor operation safety control method, which comprises the following steps: S1, based on an embedded sensor, adopting a multi-source data fusion algorithm, and through Kalman filtering and normalization processing, collecting and preprocessing operation data of a motor in real time, generating preprocessed multi-dimensional sensor data, and sending the preprocessed multi-dimensional sensor data to a server; and S2, on the basis of the preprocessed multi-dimensional sensor data, a physical model driving method is adopted, and a digital twin model of a motor is updated through a real-time simulation engine, so that a current motor state is mapped, and high-fidelity digital twin state mapping is generated. By collecting multi-source sensor data in real time and applying Kalman filtering and normalization processing, the data quality and consistency are remarkably improved, and a reliable foundation is laid for subsequent analysis; high-fidelity digital twinning state mapping is constructed based on physical model driving and a real-time simulation engine, dynamic and accurate representation of multiple physical field states in the motor is realized, and the state sensing depth is enhanced.

The invention belongs to the field of motors, and relates to a motor protection method, system and equipment based on a temperature rise rate, and a medium. The method comprises the following steps: acquiring the temperature of a motor shaft end and the maximum allowable temperature; and calculating the temperature rise rate of the shaft end of the motor, if the temperature rise rate is greater than zero when the temperature reaches the highest allowable temperature, the motor is powered off and stopped, otherwise, the motor continuously operates. According to the method, the temperature of the motor shaft end is acquired in real time, the temperature rise rate of the motor shaft end is calculated, and the motor is powered off and stopped before the temperature of the motor shaft end reaches the maximum allowable temperature, so that advanced detection and stopping of the motor shaft end before the temperature of the motor shaft end rises to the maximum allowable temperature can be ensured; the problems that advanced detection and shutdown and overtemperature lagging shutdown cannot be realized by adopting a high-temperature limit value interlocking shutdown mode, so that motor coil insulation is burnt due to high-temperature failure when a control unit issues an overtemperature shutdown instruction are solved.

The utility model discloses a blending device for preparing a precise electronic component cleaning agent. The blending device comprises a stable base, a cleaning agent preparation bin, a transmission motor protection shell and a pressure adjusting pump, a controller and a cleaning agent preparation bin are fixedly installed at the top of the stable base, a transmission motor is fixedly installed at the top of the other side of the cleaning agent preparation bin through a transmission motor protection shell, the output end of the transmission motor is rotationally connected with a shaft linkage rod, and a pressure adjusting pump is fixedly installed at the bottom of the cleaning agent preparation bin. And an electromagnetic valve is fixedly mounted on one side of the pressure adjusting pump. According to the cleaning agent conveying device, an operator can know the conveying condition of a cleaning agent in real time so as to adjust and control the cleaning agent, so that accurate conveying and using of the cleaning agent are ensured, and the production efficiency and quality are improved.

The invention relates to a new energy automobile motor protection device, and belongs to the technical field of motor protection. Comprising a shell, a motor body is installed in the shell, end covers are installed on the two sides of the motor body, a sealing protection assembly is arranged at the shaft end of the motor body, an arc-shaped supporting table is installed at the bottom of the motor, supporting rods are fixedly connected to the bottom of the arc-shaped supporting table, and a crumple anti-collision assembly is arranged between every two adjacent supporting rods. An air bag is installed at the bottom of the arc-shaped supporting table, a triggering assembly is arranged in the crumple anti-collision assembly, and a pressure maintaining assembly is arranged above the crumple anti-collision assembly. The sealing protection assembly is arranged between the end cover and the driving shaft, and the sealing protection assembly is used for realizing self-adaptive fitting depending on the pressure change of gas in the motor body. The problems that motor protection sealing reliability on an existing new energy electric vehicle is insufficient, the anti-collision capacity is limited, and protection continuity is poor can be effectively solved.

The utility model relates to the technical field of motors, and discloses a star-shaped winding framework and a motor protection structure, which comprise a wire passing framework body arranged on the wire outlet side of a stator core and a protection structure coated on the outer side of the wire passing framework body, the wire-passing skeleton body comprises a plurality of wire-passing protrusions arranged on the end face, not making contact with the stator iron core, of the wire-passing skeleton body, binding holes formed in the side face of the wire-passing skeleton body, and skirt edges arranged on the end face, making contact with the stator iron core, of the wire-passing skeleton body. The protective structure comprises a protective cover and a terminal sheath which cover the outer side of the wire passing framework body; wherein the terminal sheath is placed on the upper end face of the protective cover to form an integrated structure. The star-shaped winding framework and the protection structure can further enhance the insulation performance of the motor and reduce the risk of motor failure.

The utility model discloses an outdoor heat dissipation breathable rainproof device, relates to the field of outdoor motor protection equipment, and can solve the problems that an existing motor heat dissipation waterproof device is poor in heat circulation, not ideal in heat dissipation effect, poor in waterproof performance and prone to being invaded by rainwater. The drainage groove and the multiple splash-proof structures are arranged in the splash-proof groove of the protection component, and meanwhile the first heat dissipation holes are formed in the splash-proof structures, so that air circulation is effectively enhanced. The design of the drainage groove ensures that water flow can be drained in time, the influence of accumulated water on heat dissipation is avoided, and therefore the heat dissipation performance is improved, the protective cover body adopts the structural design that an inclined frame body and a rectangular frame body are combined, an air circulation channel is further optimized, the heat dissipation efficiency is improved, the flood prevention inner weir is 1 mm higher than second heat dissipation holes, and the heat dissipation efficiency is improved. And the waterproofness is further enhanced. The design of the inner weir effectively prevents rainwater from entering the heat dissipation holes, and ensures that the equipment is not influenced by the rainwater.

The invention discloses a motor drive control system and method for automation equipment, and relates to the technical field of motors. The system comprises a data acquisition module, a diagnosis analysis module and a protection module, and the data acquisition module is convenient for real-time acquisition of data parameters of rotation speed, current, voltage, temperature, vibration amplitude and noise sound waves in the operation process of the motor, so that multi-dimensional monitoring of the motor is realized; the diagnosis and analysis module is convenient to diagnose and analyze the collected data, the purpose of comprehensively analyzing and diagnosing the running state of the motor is achieved, the control precision of the motor is improved, and the purposes of protecting the motor in real time and early warning the fault are achieved by combining the protection module to carry out coping treatment and early warning on the fault after diagnosis and analysis.

This invention discloses an outdoor air pollutant treatment device, belonging to the field of air pollutant treatment technology. It includes a mounting frame, on the upper side of which multiple motor protective shells are fixedly mounted. A power motor is fixedly connected inside each motor protective shell, and multiple axial flow fans are fixedly connected to the outer side of the output shaft of each power motor. A fixed frame is located on the outer side of the motor protective shells, and a filter element is fixedly mounted within the fixed frame. A cleaning assembly for the filter element is also installed within the fixed frame, and the cleaning assembly includes a positioning plate fixedly mounted on the outer side of the filter element. During the air pollutant treatment process, the cleaning box and cleaning plate can clean the pollutants accumulated on the outer side of the filter element, improving the filter element's service life. Furthermore, during this process, the cleaning plate moves up and down relative to the cleaning box, allowing for better cleaning of the pollutants accumulated on the outer side of the filter element.

The invention discloses a high-protection unmanned aerial vehicle motor, relates to the technical field of unmanned aerial vehicle motors, and solves the problems that in order to achieve heat dissipation, most of existing unmanned aerial vehicle outer rotor motors are not subjected to protection treatment, or protection measures are additionally taken, a plurality of connecting structures are additionally arranged, and the motor is abnormal due to damage of the connecting structures. A high-protection unmanned aerial vehicle motor comprises a rotor, a plurality of heat dissipation fins are fixed to the outer surface of the rotor in an annular array mode, a flow guide groove is formed between every two adjacent heat dissipation fins, a center shaft is installed in the middle of the rotor in a penetrating mode, and a nut is detachably installed at the bottom end of the center shaft; and a magnet mounting column is detachably mounted at the bottom end of the nut. The ball bearings and the heat-conducting annular strips which are distributed in an annular array mode are arranged on the upper surface and the side face of the upper end cover correspondingly and used for guaranteeing flowing of airflow in the motor, so that rapid dissipation of heat in the motor is achieved while motor protection is guaranteed, and faults caused by internal overheating when the motor runs are avoided.

This invention provides a mobile inspection platform and its mobility method for non-coal mines, relating to the field of safety inspection technology in non-coal mines. The platform incorporates image recognition and gas concentration analysis algorithms, automatically identifying equipment status, personnel activity, and gas anomalies, and predicting risks, significantly improving safety and efficiency. It adopts a top-mounted, side-mounted rail installation method, saving ground space, avoiding collisions with personnel and equipment, and adapting to narrow tunnels; the rail uses high-strength, lightweight materials, ensuring high stability. The platform supports real-time monitoring of multiple parameters, can be expanded with various sensors, and combines remote control and timed tasks to achieve unattended, efficient inspections. The modular design facilitates maintenance and is equipped with PID control, collision sensing, automatic return, and multiple motor protections to ensure stable and safe operation. Encrypted data transmission, local storage, and remote upload are combined to automatically generate multi-format inspection reports, assisting in intelligent mine decision-making.

This application discloses a marine generator winding protection device, belonging to the technical field of generator protection devices. The protection device includes a base and a generator installed on the base. A fixing frame is provided at the lower end of the base, a lower housing is provided at the upper end of the fixing frame, and an upper housing is provided at the upper end of the lower housing. A moisture-proof mechanism is provided inside the upper housing, and a partition frame is installed inside the upper housing. Several condensation plates are evenly distributed at the upper end of the partition frame. The condensation plates are fixed to the partition frame by a support base. A guide duct runs through the partition frame. External air enters from the air inlet pipe. When it flows through the guide duct, the humid air comes into contact with the condensation plates and condenses. The water vapor is discharged along the guide groove. Dry air circulates through the exhaust pipe. The condensation plates condense water vapor through refrigeration or temperature difference effect. The guide groove drains water quickly, and the desiccant in the storage tank adsorbs residual water vapor, forming a triple protection of condensation-drainage-drying, which effectively reduces the humidity in the generator room.

The utility model relates to the field of motor testing, in particular to a dry area motor protection testing structure which comprises a dry area motor body, the dry area motor body is provided with a shell, the shell is provided with three first positioning holes, the three first positioning holes all penetrate through the shell, and the three first positioning holes are arranged in the shell. The three first positioning holes are triangularly arranged; the dry area motor comprises a dry area motor body and a plate body assembly, the dry area motor body is arranged in the plate body assembly, the plate body assembly comprises a cover plate, and one side of the dry area motor body is fixed on the cover plate. According to the utility model, the advantages of convenient use, simple structure and firm motor installation can be realized by effectively utilizing the structural configuration of the motor.

The present application relates to the technical field of industrial equipment control, and in particular to a motion control card and control system with a motor protection function. A motion control card with a motor protection function includes an overvoltage detection module, a control module, and a motor discharge module; the control module is connected to the output end of the overvoltage detection module, and is used to judge the first level signal output by the overvoltage detection module and generate a control signal; the motor discharge module discharges the motor voltage according to the control signal, or turns off the discharge of the motor voltage. When the motor is in an overvoltage state, the motor discharge mode is started to reduce the voltage accumulation inside the motor and release the reverse electromotive force generated by the motor brake. The use of this application can solve the problem of reverse electromotive force generated by the motor brake and improve the effect of motor protection.

The invention relates to an off-road vehicle chassis structure and an off-road vehicle, and belongs to the technical field of automobile chassis structures. The bottom protection plate assembly comprises a cabin protection plate, a battery pack protection plate, an oil tank protection plate and a motor protection plate which are detachably arranged on the chassis assembly, are sequentially distributed in the length direction of the chassis assembly and are not overlapped with one another; the engine room protection plate, the battery pack protection plate, the oil tank protection plate and the motor protection plate are each provided with a longitudinal groove penetrating in the length direction of the chassis, and the engine room protection plate is provided with an oblique groove which is communicated with the longitudinal groove in the engine room protection plate and obliquely extends backwards to the outer side. The cabin protection plate, the battery pack protection plate, the oil tank protection plate and the motor protection plate are sequentially distributed in the length direction of the chassis assembly and installed on the chassis assembly in a non-overlapping mode, and the protection plates can be independently disassembled, assembled and replaced and do not affect one another; a user can flexibly select the protection plates with different thicknesses or protection levels for assembly or replacement according to actual protection requirements, and efficient customized configuration is achieved.

The utility model discloses an underwater probe transmission sealing structure, and belongs to the technical field of geophysical prospecting logging detection. The structure comprises a motor protection shell, a transmission protection shell and a probe protection shell which are coaxially arranged, a motor is arranged in the motor protection shell, the transmission protection shell is located between the motor protection shell and the probe protection shell, one end of the transmission protection shell is connected with the motor protection shell, a transmission mechanism is arranged in the transmission protection shell, and the other end of the transmission protection shell is connected with the probe protection shell. A sealing assembly is arranged on the transmission mechanism and located on the inner side of the transmission protection shell in a sleeved mode, the sealing assembly is arranged close to the probe protection shell, and the probe protection shell is connected with an output shaft of the motor through the transmission mechanism. The sealing assembly is sleeved on the inner side of the transmission protection shell on the transmission mechanism, and one end, close to the probe protection shell, of the transmission protection shell is sealed through the sealing assembly, so that water is prevented from entering the motor protection shell, the motor is further prevented from wading into water, and the motor is protected.

The utility model relates to the technical field of gear motors, and discloses a gear motor protection device which comprises a gear motor body, a connecting shaft is installed at the front end of the gear motor body, a sliding groove is formed in the surface of the connecting shaft, and a fixing plate is fixedly connected into the sliding groove. One end of the fixing plate is fixedly connected with a limiting rod, the tail end of the limiting rod is fixedly connected with the interior of the sliding groove, the surface of the limiting rod is slidably connected with a sliding block, the interior of the sliding groove is rotatably connected with an arc-shaped plate, and the top end of the sliding block is rotatably connected with a connecting plate. According to the gear motor protection device, automatic heat dissipation can be carried out when the gear motor main body runs, so that the gear motor main body can be kept at a moderate temperature when running, the aging of an insulating material, the copper loss of a winding and the damage of parts such as a bearing are reduced, and the effective protection of the gear motor main body is realized.

The utility model discloses a new energy automobile split type motor cover plate which comprises a cover type split cover plate and cover plate fixing battens arranged at the left end and the right end of the bottom of the cover type split cover plate, the cover plate fixing battens are fixedly connected with the cover type split cover plate through welding, a plurality of fixing holes are formed in the cover plate fixing battens, and the cover plate fixing battens are fixedly connected with the cover type split cover plate through welding. The cover plate fixing battens are arranged on the outer wall of the top end of the cover plate, the cover plate fixing battens are arranged on the outer wall of the cover plate fixing battens, sealing gaskets are connected to the bottoms of the cover type split cover plate and the two cover plate fixing battens and used for sealing the fixing positions, and an airflow type heat dissipation device is arranged at the top end of the cover type split cover plate. After the split type motor cover plate of the new energy automobile is installed, the motor can be protected in the split type motor cover plate, and the airflow type heat dissipation device can quickly guide and dissipate heat generated when the motor works, so that the situation that the heat is difficult to dissipate due to the fact that the motor continuously generates high temperature when the new energy automobile runs for a long time is avoided.

The invention relates to a servo motor overheating protection structure of a numerical control machine tool, which belongs to the technical field of servo motor protection of the numerical control machine tool and comprises a numerical control machine tool main body, a fixed frame arranged outside the numerical control machine tool main body and a servo motor component arranged outside the fixed frame, a heat dissipation mechanism used for heat dissipation is arranged outside the servo motor component, and a liquid conveying structure matched with the heat dissipation mechanism and used for cooling and lubricating is arranged outside the fixing frame. The servo motor component comprises a motor connecting base fixedly communicating with the top of the fixing frame, and the top of the motor connecting base is fixedly connected with a mounting frame. The servo motor overheating protection structure of the numerical control machine tool has the advantages of cooperation of heat dissipation and cooling lubrication, guarantee of output precision, reliable operation and the like, heat dissipation lubrication protection is achieved, additive precipitation is avoided, the servo motor overheating protection structure can flexibly adapt to different working conditions, stable operation of the servo motor is guaranteed, the service life is prolonged, the machining precision is guaranteed, and the maintenance cost is reduced.

The utility model relates to motor protection technical field especially relates to a kind of prevent motor condensation structure, comprising: motor cavity, junction box cavity, stator phase outgoing line, junction box cavity is connected with motor cavity;Stator phase outgoing line one side is located in motor cavity, other side is located in junction box cavity inside.The utility model is used by upper rubber sleeve, lower rubber sleeve and sub-cavity rib plate cooperation, the upper and lower sealing isolation of stator phase outgoing line is completed, so that motor cavity and junction box cavity form two different cavities, form physical isolation, which in motor working process, air in motor cavity is blocked by isolation component and isolated, so that hot air cannot reach junction box cavity, complete heat convection inhibition, so that junction box cavity and motor outside temperature difference reduces, inside and outside temperature reaches relative balance, cannot reach the environmental conditions of generating condensate, prevent the appearance of condensation phenomenon, and then effectively avoid the insulation problem of poor in the high-voltage outgoing line, high-voltage terminal and other positions of motor.

The utility model discloses a protection device for avoiding motor damage caused by locked rotor, which comprises a proximity sensor, a detection control unit and a motor start-stop unit, the proximity sensor is arranged on the outer side of a motor and picks up sensing signals of the end portion of a rod body when the rod body rotates, and the rod body is sleeved on the end portion of a motor rotating shaft through a center hole of the rod body. The detection control unit receives sensing signals of the proximity sensor, obtains the number of times that the end of the rod body passes in unit time, accordingly obtains the rotating speed of the motor, judges whether the motor is locked or not according to the rotating speed, and accordingly sends out control signals to control the motor to operate or stop. The protection device for preventing the motor from being damaged due to locked-rotor effectively solves the problem that the response sensitivity of the locked-rotor protection of the motor is slow in the prior art, improves the reliability of the motor protection, guarantees the safety production, improves the production benefit, and reduces the production cost.

The invention relates to the technical field of relay protection of a power system, and provides a pumped storage generator motor protection commutation method and system with an anti-error function. According to the numbers, sampling channels are distributed to a machine end voltage three-phase channel, a machine end current three-phase channel and a neutral point current three-phase channel of the pumped storage generator motor; acquiring a phase-change switch power generation position, an electric position and an opening position contact of the pumped storage power generation motor, and performing phase sequence conversion on three-phase channels of machine end voltage, machine end current and neutral point current below a phase-change switch according to the electric position of the phase-change switch; and when the abnormal displacement of the phase-change switch is judged, the protection device instantaneously adopts a memory value for the position of the phase-change switch participating in logic calculation, and sends out an abnormal displacement alarm of the phase-change switch after delaying for a preset time length. The alternating current sampling phase sequence of the protection device is consistent with the power generation or electric operation condition of the generator motor, and the reliability is improved.

The embodiment of the application discloses a kind of motor protection method, device and active short-circuit protection circuit, method includes: obtaining the working state of motor to be controlled, judge whether to need to carry out active short-circuit protection;If yes, then judge whether the active short-circuit protection circuit of motor to be controlled exists fault;If the result of judgment is that there is a fault, then control protection switch unit in active short-circuit protection circuit conduction.This application increases protection switch unit in active short-circuit protection circuit, and controls protection switch unit intervention when judging that active short-circuit protection circuit appears fault, solves the technical problem that once active short-circuit protection circuit appears fault in prior art, and cannot provide active short-circuit protection for motor, realizes the technical effect that provides multiple possibilities for active short-circuit protection, makes it more safe and reliable.

The utility model discloses a special yaw motor, and belongs to the technical field of yaw motor protection, the special yaw motor comprises a fixed seat and a yaw motor mounted on the fixed seat, and a cold-proof mechanism is arranged outside the yaw motor. The cold-proof mechanism comprises movable rail frames symmetrically installed on the fixing base and a cold-resisting cover shell arranged on the fixing base, a temperature sensor is installed on the cold-resisting cover shell, and an installation groove is formed in the upper end of the cold-resisting cover shell. The yaw motor is preheated through the cold resisting cover shell, so that the yaw motor can operate more stably, the heat preservation cotton in the cold resisting cover shell can effectively store generated heat energy and effectively isolate external low temperature, the yaw motor operates in a more suitable temperature environment, the service life is prolonged, the reliability is improved, and meanwhile the yaw motor can operate more stably. And by utilizing the protection of the shade of the cold resisting housing, the yaw motor can be effectively protected in severe weather, and the service life of the yaw motor is prolonged.