683 results about "Working temperature" patented technology

The invention discloses a low-temperature environment LNG (Liquefied Natural Gas) metering sensor drift compensation method and system, and particularly relates to the technical field of sensor drift compensation. Output data of a sensor are collected and processed, and a temperature compensation model of the sensor is established; in the working temperature range, digital filtering processing is carried out on data of displacement change of each measuring range point, and then analysis and mining are carried out; a data longitudinal interval in a temperature range is refined by using a table look-up method, so that the data interval is reduced. And calculating the G value according to the residual error obtained by the table look-up method and the numerical value change condition in each temperature section. If the G value is greater than a preset threshold value of the system, selecting a proper fitting method, such as a least square method or Legendre orthogonal polynomial fitting, according to the distribution of the G value and the data interval when curve fitting is used, so as to further optimize the temperature compensation model; and if the G value is smaller than the system preset threshold value, no subsequent operation is carried out.

The invention belongs to the technical field of precision part machining, and discloses a precision part machining precision error compensation technology, high-precision measuring equipment comprises a laser interferometer and a coordinate measuring machine, a numerical control system calculates the compensation amount of each axis of a machine tool according to a model and carries out dynamic adjustment, and an online tool measuring system comprises a tool compensation probe. The laser interferometer carries out interference measurement through reflection of a laser beam and a machine tool measuring part so as to obtain the measurement precision, and through cooperation of the laser interferometer, the coordinate measuring machine and the cutter compensation probe, the numerical control system calculates the compensation amount of each axis of the machine tool according to a model and carries out dynamic adjustment. The laser interferometer performs interference measurement through reflection of a laser beam and a machine tool measuring part, ensures parallelism and perpendicularity, checks error changes of the machine tool at different working temperatures, detects motion errors of the machine tool at different temperatures by using the laser interferometer, and compensates the errors according to the temperature changes.

The invention discloses an outdoor display temperature control method and system, and the method comprises the steps: obtaining and analyzing the current body temperature data of an outdoor display, and setting an initial heat dissipation working condition of a heat dissipation device according to an analysis result; based on the historical meteorological data of the surrounding environment and a preset neural network model, constructing a prediction model for prediction to obtain environment temperature prediction data; analyzing the environment temperature prediction data, determining environment temperature change characteristics, and evaluating the environment temperature change based on the environment temperature change characteristics to obtain an environment temperature evaluation value; and determining a working adjustment coefficient based on the environment temperature evaluation value, and adjusting and controlling the initial heat dissipation working condition of the heat dissipation device based on the working adjustment coefficient. By combining the machine body temperature data and the environment temperature prediction data, accurate and intelligent adjustment of the working condition of the heat dissipation device is achieved, it is ensured that the outdoor displayer can keep the proper working temperature under different environment conditions, the heat dissipation efficiency of the outdoor displayer is improved, and stable operation is ensured.

The invention provides a robot welding machine, and belongs to the technical field of welding robots, the robot welding machine comprises a robot body, and further comprises a shunting heat conduction assembly and a supporting cleaning assembly; protective gas forms focused gas flow through shunting and secondary shunting, and gas flow sprayed by the cooling channel and the permeable plate is uniformly mixed under the guidance of a conical space at the front end of the nozzle, so that the concentration distribution of the protective gas above a molten pool is consistent, and the welding seam quality is improved; trace moisture in the protective gas is treated under the action of centrifugal force of the turbofan, and water vapor generated by falling and evaporation of water drops is guided to the periphery of the gas hood and cannot intrude into a molten pool area; the heat conduction cylinder rotates to enable airflow to sweep the whole surface of the contact tube, local overheating and heat dissipation dead angles are avoided, and the normal working temperature of the contact tube is guaranteed; the airflow can clean splashing particles attached to the outer side of the contact tube and the inner wall of the nozzle, the scraping arm can be tightly attached to the cleaning face in the rotating process and can abut against the contact tube, the deformation possibility of the contact tube is reduced, and the continuity and stability of the welding process are guaranteed.

The invention discloses a digital intelligent temperature control air cooling system for an engineering vehicle, relates to the technical field of intelligent temperature control, and accurately judges the specific working condition of the engineering vehicle through a working condition recognition model, so that a temperature control strategy can be customized and finely adjusted according to different working conditions; then the future temperature change trend is predicted through the working temperature prediction model, so that cooling is started or enhanced in advance, the problem of response lag of a traditional temperature control system is fundamentally solved, temperature overshoot is effectively avoided, the reliability of an engineering vehicle is improved, and the service life of parts is prolonged; and the energy consumption of accessories such as a fan is remarkably reduced through fine control, and the comprehensive benefits of improving the whole vehicle performance and reducing the maintenance cost are finally achieved.

The utility model discloses a false scalding prevention device for cigarette cartons, and relates to the technical field of cigarette carton production. According to the technical key points, the device comprises a bottom plate, an air groove is formed in the bottom plate, a heating mechanism is arranged at the bottom of the bottom plate, an ironing plate mechanism is arranged at the bottom of the heating mechanism, the heating mechanism comprises a connecting screw rod, the lower end of the connecting screw rod is in threaded connection with a heat conduction plate, and a heating plate is fixedly installed in the center of an inner cavity of the heat conduction plate; according to the technical scheme, the temperature sensors are used for monitoring the temperature of different positions of the heat conduction plate, data are fed back to a control system, the real-time vehicle speed and the preset temperature value are combined, and the temperature of the heat conduction plate is controlled to be constant. It is ensured that the flexible ironing plate is kept in the optimal working temperature interval, the accuracy and stability of temperature control are improved, and the false ironing problem caused by inaccurate temperature control and uneven heating time of a traditional beautifying device is solved.

The utility model relates to the field of vacuum pumps, in particular to a vacuum pump with a cold air heat dissipation effect, which comprises a case, a pump body and a driving part, the pump body is mounted in the case through a support frame, an inner cavity is formed in the pump body, a controller is connected to the side surface of the case, a cooling oil tank communicated with the pump body is arranged in the case, a fan is connected to the support frame, and the fan is connected to the driving part. The fan is connected with an air flow conveying pipeline, the pump body is connected with an air inlet valve which is communicated with an inner cavity of the pump body, and one tail end of the air flow conveying pipeline is connected with the air inlet valve in a matching way. And the working temperature in the pump body is effectively reduced, so that the heat dissipation effect of the vacuum pump is further improved by combining cold air heat dissipation and cooling liquid heat dissipation of the cooling oil tank, and the heat dissipation effect and the working efficiency of the vacuum pump are enhanced.

The invention relates to the technical field of compressor temperature control, and discloses a compressor temperature control system capable of preventing generation of condensate water, which comprises a sensing module, an execution module and a controller. The sensing module is used for collecting air temperature, relative humidity, system working pressure and circulating oil temperature parameters of the compressor in real time. The controller is configured to calculate the current pressure dew point of the system based on the air temperature, the relative humidity and the working pressure of the system; the pressure dew point serves as a floating lower limit, a preset system optimal working temperature upper limit serves as a fixed upper limit, and a dynamic safe working interval is determined; finally, a cooling unit and a heating unit in the execution module are cooperatively controlled to work according to the relation between the circulating oil temperature and the dynamic safety working interval. By establishing the dynamic safety lower limit changing along with the working condition, the problem that the compressor is prone to generating condensate water under the high-humidity or low-load working condition to cause oil emulsification is effectively solved, and accurate and energy-saving temperature control is achieved.

The invention discloses a manufacturing and self-heating riveting method of a thermoplastic composite material and metal mixed structure rivet. According to the method, firstly, a thermoplastic composite material and metal mixed rivet is designed, and a process and mold design for preparing the metal and thermoplastic composite material mixed structure rivet through a two-step mold pressing method are provided. The added metal in the prepared rivet has high electromagnetic induction heating capacity, and in the riveting process, the rivet is heated to the working temperature through induction current and then pressed to complete press riveting connection. By means of the technology, the weight of the metal rivet can be obviously reduced, rapid self-heating riveting can be achieved, in addition, composite material hole edge damage possibly caused by machining can be filled through heating and melting of the thermoplastic composite material, meanwhile, abrasion and electrochemical corrosion between the rivet and a plate are avoided, and the service life of the rivet is prolonged. And the sealing performance and the shock and vibration resistance of the riveted joint are improved. In addition, after riveting is completed, reliable pier heads formed at the two ends of the rivet improve the connecting strength and reliability, and the rivet is suitable for complex working conditions.

The invention relates to the technical field of medical cold chain transportation, in particular to a portable intelligent medical refrigerated transport box suitable for an extreme temperature environment, which comprises a box body, a heat insulation layer is arranged on the inner wall of the box body, and the box body is provided with a storage cabin and an electrical element mounting cabin. An energy supply module, an integrated information processing module and a temperature control system are mounted in the electrical element mounting cabin; an information display and control panel is arranged on the side wall of the box body; the integrated information processing module is used for collecting temperature data in the storage cabin and position information of the medical refrigerated transport box; the temperature control system is used for regulating and controlling the temperature in the storage cabin; according to the invention, the working temperature range is effectively expanded, the extreme temperature adaptability is effectively improved, and 99% of extreme climate regions in the world can be covered; the semiconductor refrigeration / heating cooperative control is combined with the precise regulation and control of the data processing module, so that the quick response to the temperature change in the box is realized, the response time is greatly shortened, the temperature fluctuation is reduced, and the activity and quality of medical supplies can be better guaranteed.

The invention provides a prediction method based on the wear state of a steel-based ceramic wear-resistant component, and relates to the technical field of material life evaluation, and the prediction method comprises the following steps: transmitting an excitation eddy current containing a first frequency and a second frequency to a steel substrate, and receiving a response signal modulated by the state of a steel substrate and ceramic-steel bonding interface; processing the response signals corresponding to the first frequency and the second frequency, and extracting a first phase variation of the first frequency relative to a first reference signal corresponding to the initial health state of the component and a second phase variation of a second reference signal corresponding to the second frequency; the difference quantity between the first phase change quantity and the second phase change quantity is calculated, and the heat conduction state change of the ceramic-steel bonding interface is represented; and acquiring the real-time working temperature of the wear-resistant part, evaluating the current state grade of the ceramic-steel bonding interface based on the real-time working temperature and the difference quantity, and predicting the residual safe service time of the ceramic wear-resistant layer in combination with the change trend of the difference quantity along with time.

The invention relates to the technical field of special engineering environment control, and discloses a large-aperture telescope dome cover internal thermal control system, which comprises a dome air conditioner thermal control system and a dome emergency exhaust system, and is characterized in that the dome air conditioner thermal control system has variable-temperature cooling and preset low-environment-temperature cooling functions; the thermal environment adjusting module is used for adjusting the thermal environment in the dome cover based on preset thermal control requirements; the dome emergency exhaust system is used for conducting rapid cooling adjustment when the adjusting effect of the dome air conditioner thermal control system cannot meet the preset thermal control requirement. According to the dome air conditioner thermal control system, the cooling mode can be flexibly adjusted according to different environment temperatures and observation requirements, the dome emergency exhaust system serves as a standby scheme, and when the air conditioner thermal control system cannot meet the thermal control requirement, rapid starting and rapid cooling adjustment can be conducted. The emergency mechanism ensures that the telescope can still quickly reach the preset working temperature under extreme weather or emergency conditions, and is beneficial to improving the observation benefit of the telescope.

The invention discloses a low-temperature environment LNG (Liquefied Natural Gas) metering sensor drift compensation method and system, and particularly relates to the technical field of sensor drift compensation. Output data of a sensor are collected and processed, and a temperature compensation model of the sensor is established; in the working temperature range, digital filtering processing is carried out on data of displacement change of each measuring range point, and then analysis and mining are carried out; a data longitudinal interval in a temperature range is refined by using a table look-up method, so that the data interval is reduced. And calculating the G value according to the residual error obtained by the table look-up method and the numerical value change condition in each temperature section. If the G value is greater than a preset threshold value of the system, selecting a proper fitting method, such as a least square method or Legendre orthogonal polynomial fitting, according to the distribution of the G value and the data interval when curve fitting is used, so as to further optimize the temperature compensation model; and if the G value is smaller than the system preset threshold value, no subsequent operation is carried out.

The invention discloses a test device for evaluating the multi-dimensional service life of a high-bearing-resistance supporting rod. The device comprises a cyclic load loading device which realizes accurate loading and measurement through a loading actuator cylinder, a counter-force support and a sensor; the guide rail control device is used for simulating an actual complex motion form by utilizing a guide rail, a sliding block and a joint bearing; the abrasion checking device achieves the function of simulating abrasion at the piston end and the fixed end in an actual complex motion form; the temperature control system is used for accurately controlling the environment temperature and the working temperature by virtue of a high and low temperature environment box and a hydraulic oil temperature machine; and the MTS structure test loading system is used for controlling oil inlet and outlet of a loading actuating cylinder and a resistance supporting rod and displaying sensor data in real time. According to the invention, multi-physics coupling conditions such as cyclic load, compound wear and high and low temperature environment can be simulated through tests, the wear resistance, sealing performance, fatigue performance and overall reliability of the resistance stay bar can be comprehensively evaluated, and effective technical support is provided for life prediction and reliability design of the resistance stay bar.

The utility model discloses a welding rod heat preservation cylinder capable of preventing power failure. The welding rod heat preservation cylinder comprises an electric heating loop. The welding rod heat preservation cylinder further comprises a loop detection module, a control module and an alarm module. The loop detection module comprises a loop state information acquisition end and a loop state information output end, the control module comprises a loop state information receiving end and an alarm instruction output end, and the alarm module comprises an alarm instruction receiving end; the loop state information acquisition end is used for acquiring working state information of the electric heating loop, and the loop state information output end is electrically connected with the loop state information receiving end; the alarm instruction output end is electrically connected with the alarm instruction receiving end; and the control module is used for determining the working state of the electric heating loop according to the working state information received by the loop state information receiving end. By the adoption of the technical scheme, workers can conveniently find the power-off condition of the welding rod heat preservation cylinder and take measures in time to prevent the welding rod temperature from being lower than the standard working temperature range, and the welding rod performance is guaranteed.

The disclosure relates to a method (500) for controlling a decentralized heat pump system (100). The system (100) comprising: a first set (110) of one or more heat pump modules; and one or more second sets (120a-c) of one or more heat pump modules (121, 122, 123, 124); the method (500) 5 comprising: determining (S502) at least one of an outdoor temperature, and data pertaining to an electric grid status of an electric grid (150, 160a-c), determining (S504), based on at least one of said outdoor temperature, and said data pertaining to the electric grid status, and, optionally, a specification of the system (100): an ambient side fluid recirculation loop temperature set 10 point of a working fluid of an ambient side fluid recirculation loop (102); detecting (S506) a temperature of the working fluid of the fluid recirculation loop (102); and controlling (S508) an operation of the first set (110) to adjust the first working temperature of the working fluid of the fluid recirculation loop (102) to match said ambient side fluid recirculation loop temperature set point.

The utility model relates to the technical field of shape memory alloy, in particular to a thermoelastic heat dissipation device and equipment based on shape memory alloy. Comprising a heat dissipation device and further comprises a first shape memory alloy set and a thermoelastic shape memory alloy set. The first shape memory alloy group is in thermal contact with the heat source and used for absorbing heat emitted by the heat source; the thermoelastic shape memory alloy group is in thermal contact with the heat dissipation equipment, in a first state, the thermoelastic shape memory alloy group is in thermal contact with the first shape memory alloy group, in a second state, the thermoelastic shape memory alloy group is not in thermal contact with the first shape memory alloy group, and the thermoelastic shape memory alloy group is used for transferring heat of the first shape memory alloy group to the heat dissipation equipment; and when the heat of the heat source is not absorbed, the internal microstructures of the first shape memory alloy group and the thermoelastic shape memory alloy group are martensite or coexistence of martensite and austenite. The heat dissipation device provided by the utility model improves the heat dissipation efficiency of a heat source, and effectively inhibits the temperature rise of the heat source or cools the heat source to a proper working temperature.

The utility model provides a low-voltage switch cabinet with a heat dissipation function, and relates to the field of low-voltage switch cabinets. A low-voltage switch cabinet with a heat dissipation function comprises a box body, a bottom plate and a partition plate, the bottom plate is fixedly installed at the bottom of the box body, the partition plate is fixedly installed on the inner wall of the box body, a dust cleaning and heat dissipation mechanism is arranged in the box body and comprises a heat dissipation assembly and a dust cleaning assembly, and the heat dissipation assembly comprises an exhaust fan used for heat dissipation. The dust cleaning assembly comprises a filter screen used for blocking collection, a walking fixing mechanism is arranged at the bottom of the bottom plate and comprises four universal wheels used for walking, the heat dissipation assembly is started to drive the air draft fan to rotate, external air is blown into the box body, the equipment is kept within a proper working temperature range, and the working efficiency of the equipment is improved. Stable operation of equipment is ensured, air penetrates through a filter screen in the dust cleaning assembly while heat dissipation is conducted, and impurities in the air are effectively blocked and purified.

The invention discloses a coal mine underground roadway air defogging method and system, the method comprises the steps of air cooling, air heating and air exhausting, humid air is cooled to be below the dew point temperature through a low-temperature heat exchange device, water vapor is separated out, and then the humid air is heated through a high-temperature heat exchange device to recover to the normal working temperature of a roadway; and finally discharging through a fan and a filtering device. The system comprises a low-temperature heat exchange device, a high-temperature heat exchange device, a compressor, a throttle valve, a fan, a filter device, a control device and a remote controller which form a closed refrigeration cycle system. By combining refrigeration dehumidification and heating temperature returning, efficient demisting of damp air in a roadway is achieved, dust is effectively removed through the filtering device, and secondary haze is prevented. The system can automatically adjust operation parameters according to the humidity of the roadway, has the advantages of being energy-saving, efficient, high in adaptability and the like, remarkably improves the underground operation environment, and improves the production safety and the health level of miners.

The invention relates to the technical field of new energy automobile spare part testing, in particular to an automobile electric glass lifter detection device which comprises a base, a vertical plate, a glass lifter and automobile window glass, the vertical plate and the base are in a vertical state and are fixedly connected, and the glass lifter is installed on the front face of the vertical plate through bolts. The window glass is locked at the output end of the window glass lifter through a screw, the window glass is dragged to ascend and descend through the window glass lifter, and the lifting counting mechanism is installed at the upper left corner of the front face of the vertical plate. The vehicle window glass lifting frequency test can be realized, the working temperature test of the window glass lifter can also be realized, a worker can conveniently improve a motor of the window glass lifter, the driving stability of the window glass lifter is improved, the purpose of the load test of the window glass lifter is achieved, test data are diversified, durability test results are reliable, and improvement of the window glass lifter is facilitated. And the service life of the glass lifter can be actually prolonged.

The invention relates to the field of kiln equipment, in particular to a kiln equipment operation condition visual monitoring system based on the Internet of Things, and aims to solve the problem that the operation condition of a kiln cannot be comprehensively and visually monitored due to few monitoring categories and low multi-sample collection frequency when the operation condition of the kiln is monitored. Comprising a work acquisition module, an informatization processing module and a real-time display module. According to the invention, when the operation condition of the kiln equipment is monitored, the data comprehensiveness in the monitoring process of the operation condition of the kiln equipment is improved through comprehensive acquisition of the working temperature, the gas atmosphere, the pressure and the ventilation factors, and meanwhile, the number of temperature monitoring samples is increased through a same-frequency acquisition mode, so that the monitoring accuracy of the operation condition of the kiln equipment is improved. The temperature of different areas can be detected, and the temperature of the area without the temperature detection point position in the whole kiln equipment can be deduced, so that the temperature of the kiln equipment can realize the comprehensive coverage of the temperature detection point position in a simulation expansion mode.

The invention relates to a friction and electromagnetic combined type power generation mechanism and a wind power generation device thereof, and belongs to the field of power generation devices. The friction and electromagnetic combined type power generation mechanism comprises a cylindrical shell, a sliding device and a driving source. A fixing shaft is fixed in the cylindrical shell in the axis direction. During friction power generation, the sliding device linearly slides on the fixed shaft in a reciprocating mode to achieve friction power generation of the multiple sets of electrodes and the friction material, and in the process, due to the fact that the single set of electrodes and the friction material can be separated after friction is finished during friction, effective heat dissipation is conducted, the electrodes have the good heat dissipation effect, and the heat dissipation efficiency is improved. And meanwhile, the heat is difficult to accumulate during friction, so that the friction material and the electrode are in a normal working temperature range, the material loss is reduced, and the service life is effectively prolonged and the power generation efficiency is effectively improved under the condition that the same wind energy is consumed.

The invention discloses an efficient energy-saving transformer for a booster station of a wind power photovoltaic base. According to the efficient energy-saving transformer, a control module is arranged, and a cooling system can automatically adjust the rotating speed and the working mode of a cooling fan according to real-time temperature data of a transformer body and the external environment. The temperature sensor and the load sensor monitor the working state in the transformer in real time and transmit data to the control module, and the control module judges whether the fan speed needs to be started or adjusted according to a set temperature control algorithm. The control module optimizes the cooling strategy by analyzing the relationship between the temperature and the load, and ensures that the transformer is always kept within the optimal working temperature range. Besides, the control module closely cooperates with other equipment in the heat dissipation box, so that response can be made in time when the load of the transformer changes or the temperature fluctuates, the energy consumption is effectively reduced, excessive heat dissipation is reduced, and the overall operation efficiency of the system is improved.

The invention discloses a load fluctuation type steam heat preservation pipeline based on phase change heat storage and a method thereof. According to the heat preservation pipeline, a phase change heat storage heat preservation layer, a multi-layer heat preservation layer and an outer protection layer are sequentially and coaxially laid on the outer wall of a working pipe; the phase-change heat-storage heat-preservation layer is assembled on the outer wall of the working pipe through phase-change heat-preservation heat-storage units in a tongue-and-groove splicing mode, and the phase-change temperature of the phase-change material filled in each phase-change heat-preservation heat-storage unit is located between the steam saturation temperature and the working temperature under the stable working condition. By means of the thermal resistance self-adaption characteristic of the phase change material, the thermal resistance effect is dynamically enhanced in the phase change process, and a dual-heat-preservation mechanism of heat dissipation blocking and delaying between a high-temperature medium in the working pipe and the environment is achieved. And meanwhile, circulating heat storage and release of the phase change heat storage heat preservation layer are achieved through a heat source of the pipeline, and a zero-energy-consumption self-operation mode is formed. The method can be widely applied to various high-temperature steam pipe networks, is particularly suitable for industrial scenes with load fluctuation, and can reduce heat loss and improve the operation stability of the pipe networks.

The utility model discloses a plunger pump, and belongs to the technical field of oil and gas exploitation, the plunger pump comprises a pull rod, a crosshead, a bearing bush, a connecting rod and a detection piece, one end of the pull rod is fixedly connected with the crosshead, the other end of the crosshead is connected with the connecting rod, and the bearing bush is arranged between the crosshead and the connecting rod; the crosshead is provided with a detection hole, one end of the detection hole extends to the end face of one end, facing the bearing bush, of the crosshead, and the detection piece detects the temperature of the bearing bush through the detection hole. According to the plunger pump, whether the bearing bush of the crosshead is burnt or not can be determined by detecting the working temperature of the bearing bush of the crosshead in the plunger pump, so that a new bearing bush can be replaced in time, the plunger pump can be prevented from being greatly damaged, and it is guaranteed that normal operation can be conducted stably.

The invention belongs to the technical field of electronic information components, and discloses a ceramic composite protective layer capable of improving working temperature, and a preparation method and application thereof. Firstly, a silicon nitride film is deposited on the surface of a sensitive layer of a film temperature sensor by adopting a magnetron sputtering technology; and depositing an aluminum oxide protection layer on the surface of the silicon nitride film by adopting an ultrasonic spraying technology to form a protection layer with a silicon nitride / aluminum oxide composite structure. The internal stress of the composite structure protection layer can be reduced, the thermal stability of the composite structure protection layer is improved, meanwhile, the problem of overflow of sensitive layer material elements in the sensor is inhibited, and the high-temperature stability of the film temperature sensor is improved. According to the invention, the working temperature range of the thin film temperature sensor in an ultra-high temperature environment is obviously expanded, so that the thin film temperature sensor can better adapt to a severe environment at a hot port of an aero-engine with a large thrust-weight ratio.

The invention relates to the technical field of dustproof bearings, and discloses a multifunctional dustproof bearing which comprises an inner ring, a first hollow column is fixedly connected to the outer wall of the inner ring, a first limiting groove is formed in the outer wall of the first hollow column, a first ball is arranged on the outer side of the first limiting groove, and a first annular groove is formed in the outer wall of the first hollow column. The inner wall of the first annular groove is rotationally connected with a dustproof mechanism, the outer mechanism comprises an outer ring arranged on the outer wall of the first hollow column in a sleeving mode, a second limiting groove is formed in the inner wall of the outer ring, and the second limiting groove is rotationally connected with the first limiting groove through a first ball. When the bearing runs, the inclined grooves in the surface of the bearing can rotate, in the rotating process, air can be induced to generate eddy currents, airflow is promoted to flow outside the bearing, the airflow can take away heat generated by running of the bearing, and therefore the working temperature of the bearing is effectively reduced, the heat dissipation efficiency is improved, and the stability of long-time running of the bearing is improved.

The invention discloses a composite spraying film material for heat dissipation of an air conditioner outdoor unit. The composite spraying film material comprises a first complexing agent and a second complexing agent, according to the air compressor, the first complexing agent and the second complexing agent are cooperatively matched, the first complexing agent can form a rough material layer on the surface of the air compressor to serve as a bottom film layer, the rough surface is composed of countless randomly-distributed tiny concave-convex structures, the effective radiation area is increased through the concave-convex structures, and then the radiation efficiency is effectively improved; furthermore, a surface film layer is formed on the bottom film layer through a second complexing agent, the surface film layer is coated on the concave-convex structures in the bottom film layer, so that the radiation heat dissipation of each concave-convex structure in each direction is further improved, and the surface film layer and the bottom film layer jointly assist the heat dissipation of the surface oxide layer of the air compressor. The heat generated by working of the air compressor can be quickly dissipated, so that the temperature of the air compressor is kept in the optimal working temperature range, and finally, the refrigerating or heating effect can be close to the preset temperature.

The utility model relates to the technical field of temperature control, in particular to a flow loop heat pipe high-stability temperature control device which comprises a shell, the shell comprises a base, an outer frame is fixedly connected to the upper surface of the base, a heat dissipation assembly is fixedly connected to the interior of the outer frame and comprises a condenser, and a liquid pipe is fixedly connected to the lower end of the condenser. One end of the liquid pipe is fixedly connected with a compensation tank, the upper surface of the compensation tank is fixedly connected with a water pump, one end of the water pump is fixedly connected with a water feeding pipe, one end of the water feeding pipe is fixedly connected with an evaporator, the evaporator heats and gasifies cooling liquid after absorbing heat, and the other end of the evaporator is fixedly connected with a steam pipe. By accurately controlling the working temperature of the flow loop heat pipe, it is ensured that a working medium in the heat pipe operates under the optimal phase change condition, heat can be efficiently transmitted to a radiator from a heat source, and at the evaporator end, stable temperature control ensures that the working medium fully absorbs the heat and is rapidly vaporized.