142results about How to "Normal temperature" patented technology

The embodiment of the invention discloses a non-intelligent air conditioning energy saving monitoring method. The non-intelligent air conditioning energy saving monitoring method comprises the steps that an infrared air conditioning remote controller is used for monitoring the temperature information, the humidity information and the air-conditioning on-off information of a working area, the information is sent to a wireless collecting device through an RS485 interface, the wireless collecting device regulates and controls the on-off and temperature and humidity setting of all non-intelligent air conditioners in the working area according to the preset regulating and controlling rules and the temperature information, the humidity information and the air-conditioning on-off information, or the wireless collecting device reports the related information to a server, the regulation and control are conducted by the operation that a monitor terminal or a remote terminal or a mobile terminal sends the regulating and controlling instructions, and in fault, a standby air-conditioner is started, and the user of the use terminal is notified. The invention further discloses a system of internet of things of non-intelligent air conditioning energy saving monitoring. By the adoption of the non-intelligent air conditioning energy saving monitoring method and the system of the internet of things, the energy consumption of the non-intelligent air-conditioners can be reduced.

The invention discloses an optical module comprising a laser emitting unit, an MCU (Microprogrammed Control Unit) and a heating control circuit, wherein the laser emitting unit comprises a laser and a drive circuit of the laser; the drive circuit drives the laser to emit an optical signal according to a digital differential electric signal received by the optical module; a heating resistor is arranged in the laser;, the MCU is used for obtaining a temperature value detected by a temperature sensor and then determining a voltage output value corresponding to the temperature value; and according to the determined voltage output value, a corresponding voltage is output to the control end of the heating control circuit from a DAC (Digital-to-Analog Converter) output port of the MCU to control current flowing by the heating resistor. The heating resistor is built in the laser, the MCU is used for controlling the current flowing by the heating resistor through the simple heating control circuit, and no expensive laser with a built-in TEC (Thermoelectric Cooler) is used for controlling the temperature of the laser, so that the cost of the optical module is greatly reduced.

The invention discloses an optical module working parameter adjusting method and an adjusting device. The method comprises the following steps of: detecting and obtaining an ambient temperature value; obtaining a reference bias current value and a reference modulated current value, which need to be compensated; when the ambient temperature value is more than a set temperature threshold value, obtaining an actual bias current compensated value and a modulated current compensated value by using a scaling factor which is not more than 1; when the ambient temperature value is not more than the set temperature threshold value, directly using the reference bias current value and the reference modulated current value as the actual bias current compensated value and the actual modulated current compensated value, respectively; and compensating a bias current and a modulated current of a laser according to the actual bias current compensated value and the actual modulated current compensated value. Through different adjustments carried out on working parameters under different conditions, a problem that the laser is degraded in performance and even damaged due to laser saturation can be solved.

The invention discloses a heat accumulation-type automobile parking heating system and a start-up method thereof, and belongs to a preheating device for an automobile, wherein heat accumulation material is utilized to absorb residual heat of an engine, and heat quantity is stored in a heat insulated box to preheat the engine and a driving cab before next cold start. The heat accumulation-type automobile parking heating system comprises a heat accumulation material, the heat insulated box, a guide pipe, a water pump, a solenoid valve, a temperature probe and a control circuit. Compared with the prior art, the heat accumulation-type automobile parking heating system is characterized in that the service life of the engine is prolonged, the cold start performance of the engine is provided, fuel oil consumption is reduced, energy is saved, the cost is low, the structure is simple, and the effect is obvious; in addition, the heat accumulation-type automobile parking heating system can achieve obvious effect when being used by users in cold areas and the users needing to start the automobile frequently in a cold manner.

The invention discloses a multi-point temperature sensor intelligent monitoring system based on a field bus network, and the system consists of an apple orchard environment parameter collection platform and an apple orchard environment temperature evaluation subsystem, and achieves the intelligent detection of the apple orchard environment temperature and the evaluation of the temperature. The system effectively solves the problem that the existing apple orchard environment monitoring does not intelligently monitor and predict the temperature of the apple orchard environment according to the characteristics of nonlinearity, large lag, large area of the apple orchard, complex temperature change and the like of the apple orchard environment temperature change, so that the monitoring of the apple orchard environment temperature is greatly influenced.

The invention relates to the technical field of transformers, in particular to a temperature-adjustable type transformer which comprises a connecting mechanism, a first cooling mechanism, a water tank, a heat absorption mechanism, a fixing mechanism, a sealing mechanism, a resistance coil, an installing mechanism, a second cooling mechanism, a box body and a compression block. The resistance coilis wound on the side wall of the installing mechanism. The heat absorption mechanism is installed in the installing mechanism. When the resistance coil emits heat in the use process, refrigerant fluidin the heat absorption mechanism absorbs away the heat of the installing mechanism, the temperature of the installing mechanism becomes normal, and the installing mechanism keeps the magnetism; the compression block is slidingly connected with the bottom end of the installing mechanism, the gas in the sealed installing mechanism expands when the temperature of the installing mechanism rises, thecompression block presses down the refrigerant fluid in the water tank, more refrigerant fluid enters the heat absorption mechanism, and the heat absorption effect of the heat absorption mechanism isincreased; a second cooling mechanism is arranged in the heat absorption mechanism, and the refrigerant fluid is cooled by the second cooling mechanism and discharged into the water tank so as to be recycled.

The invention relates to the technical field of electric power equipment and discloses an electric power distribution cabinet with a cooling function. The electric power distribution cabinet comprisesa supporting seat. A main cabinet body is fixedly connected with the top of the supporting seat; the front side of the main cabinet body is provided with a sealing opening and closing door; the sealing opening and closing door is provided with an operating handle; a water collecting tank is fixedly connected with the top of the main cabinet body; the bottom of the water collecting tank communicates with the tops of discharge spouts; the bottoms of the discharge spouts communicate with one end of a water conduit; the other end of the water conduit is inserted into the main cabinet body and extends to the inside of the main cabinet body; and the bottom of the water conduit, located in the main cabinet body, is communicated with one end of each connecting pipe. Through the arrangement of thewater collecting tank, the discharge spouts, the water conduit, connecting pipes, a heat absorption pipe and a drainpipe, the electric power distribution cabinet can be cooled by utilizing rainwaterresources, so that the cooling effect of the electric power distribution cabinet is better, thereby the problem, that internal parts are damaged caused by too high internal heat of the electric powerdistribution cabinet, is avoided.

The invention relates to a method for lubricating and cooling a spline of a wind power gear box. The method is characterized in that when the wind power gear box is assembled, a circle of a circumference gap is formed between a sun gear and a pressing plate for the sun gear; two holes which form an included angle being 27 degrees together with the axis of the sun gear are symmetrically formed in a spline sleeve on the right side of an engaged part of an inner spline and an outer spline of the sun gear and the spline sleeve according to the axis of the sun gear; lubrication oil flows into the engaged part of the inner spline and the outer spline through the gap between the sun gear and the pressing plate for the sun gear so as to lubricate the inner spline and the outer spline; when the holes in the spline sleeve are rotated to the lower position with a workpiece, the lubrication oil flowing into the engaged part of the inner spline and the outer spline flows out from the holes, so that the oil liquid is circulated. The method provided by the invention has the advantages of simple mechanical structure, low difficulty in machining and manufacturing and low assembly difficulty; the problems caused by poor machining precision are avoided; the purpose of lubricating and cooling the spline can be realized without additionally arranging lubricating and cooling parts, so as to ensure that the temperature is normal when the spline transmits a torque.

The present invention discloses a switching device and method for mobile communication terminal which belongs to the mobile communication terminal parts and mobile communication technique. The device of the invention comprises: a temperature detection component for detecting the temperature of TCXO; a control component for judging the temperature of the TCXO, controlling the switch of gpsOne communication mode and other communication modes. The switching method comprises: detecting the temperature of TCXO in the mobile communication terminal when requesting the emergency service; comparing the detected TCXO temperature with the assigned reference temperature; switching the current communication mode into other communication mode and executing the gpsOne function if the TCXO temperature is higher than the reference temperature. Therefore, TCXO overheating caused by the power amplifiers heating which degrades the position calculation accuracy is prevented when the three modes utilizing the gpsOne function.

The invention discloses an engine cooling system and aims at providing an engine cooling system capable of meeting the cooling water amount needed for high-speed and high-load running of an engine and also capable of effectively shortening the engine heating time in the cold start process of the engine. The engine cooling system comprises a cooling water circulation pipeline and a water pump arranged on the cooling water circulation pipeline. The water pump comprises a water pump shell, a drive shaft arranged on the water pump shell, and a shaft sleeve coaxially arranged on the drive shaft. One end of the shaft sleeve extends into an inner cavity of the water pump shell, and the other end of the shaft sleeve is located outside the water pump shell. The shaft sleeve is rotationally arranged on the water pump shell, and the shaft sleeve and the drive shaft can relatively rotate. The drive shaft is provided with a first impeller, and the first impeller is located in the inner cavity of the water pump shell. The shaft sleeve is provided with a second impeller, and the second impeller is located in the inner cavity of the water pump shell. The drive shaft is provided with a drive belt wheel, and the drive belt wheel is located outside the water pump shell.

The invention relates to a power distribution box, particularly to the power distribution box with a heat dissipation function and convenient and quick to mount, and aims to provide the power distribution box with the heat dissipation function and convenient and quick to mount by solving the technical problems. For solving the technical problems, the invention provides the power distribution box with the heat dissipation function and convenient and quick to mount. The power distribution box comprises a box body, a first screen plate, a second screen plate, an air blowing apparatus, a bracket and the like; the first screen plate is embedded in the bottom of the box body; the second screen plate is embedded in the top of the box body; the air blowing apparatus is arranged on the lower part of the interior of the box body; the bracket is arranged on the top of the air blowing apparatus; a mounting frame is arranged at the upper end of the bracket; an opening, which is positioned just in the right side of the mounting frame, is formed in the right wall of the box body; and a clamping apparatus is arranged on the left wall of the box body. The power distribution box achieves the effects of quick mounting speed, convenience in mounting and high heat dissipation; a first baffle and second baffle can baffle rain water, so that rainwater can be prevented from entering the box body; by virtue of the clamping apparatus, the power distribution box can be mounted and fixed more conveniently and quickly by people; and in addition, the power distribution box is safe and stable and high in generalizability.

The invention provides an auxiliary air-cooled wire drawing machine and belongs to the field of wire drawing machines. For an existing wire drawing machine, especially for a water tank wire drawing machine adopting the spraying manner on the aspect of cooling, the defect that temperature adjustment cannot be achieved in a wire drawing box exits, the auxiliary air-cooled wire drawing machine is provided and aims at overcome the defect. According to the auxiliary air-cooled wire drawing machine, improvement is conducted based on the prior art, the auxiliary air-cooled wire drawing machine comprises a wire drawing box, an unwinding mechanism and a winding mechanism. Tower wheels and wire drawing molds between the tower wheels are arranged in the wire drawing box. A spray pipe is horizontally arranged over the tower wheels and the wire drawing molds. Multiple spray heads perpendicular to the spray pipe are arranged outwards. A liquid storage box is arranged at the bottom of the wire drawing box. A temperature sensor is arranged in the liquid storage box and connected with a PLC arranged outside the wire drawing box. The PLC is connected with a fan on one side of the wire drawing box. By the adoption of the auxiliary air-cooled wire drawing machine, the temperature in the wire drawing box can be adjusted in real time through auxiliary fans, and the abnormal working conditions are prevented.

The invention belongs to the technical field of electronic products, and particularly provides a percussion drill with a liquid spraying device. The percussion drill comprises a percussion drill shell, a mounting seat is mounted in the middle of the upper end face of the percussion drill shell, and the right portion of the mounting seat is fixedly connected with a universal pipe nozzle, so that the problem that existing percussion drills are not provided with liquid spraying devices is solved. When the percussion drill works, an external liquid delivery pipe is directly inserted into a quick joint to be connected with the liquid spraying device, so that quickness and convenience are realized; position of a universal pipe can be adjusted according to needs, and liquid with pressure flows out from the nozzle to be mixed with dust timely, so that air pollution of a working site is reduced; the liquid plays a role in cooling and lubricating, so that temperature of a drill bit is maintained normal, service life of the drill bit is prolonged, and faults caused by frequent replacement are avoided; normal working is guaranteed, environment of the working site is improved, physical health of operating personnel is benefited, and working efficiency is improved.

A two-compartment automobile cab sun-shading device comprises a housing installed at the top of an automobile cab and further comprises U-shaped slide ways installed on two sides of the top of the cab in the front-back direction of an automobile, wherein a front sun-shading plate and a rear combined sun-shading plate formed by connecting sun-shading plates through a hinge are arranged in the U-shaped slide ways in a slidable mode, a front sun-shading plate motor installed under the housing through a motor positioning rack is in drive connection with a front sun-shading plate rack arranged on the front sun-shading plate in the front-back direction of the automobile, and a rear combined sun-shading plate motor installed under the housing through a motor positioning rack is in drive connection with a rear combined sun-shading plate rack arranged on the rear combined sun-shading plate in the front-back direction of the automobile. The sunlight can be prevented from being perpendicularly irradiated onto the automobile through the sun-shading plates, and indoor temperature of the automobile cannot be too high.

The invention discloses a constant-pressure tool changing cutterhead with a freezing function. The constant-pressure tool changing cutterhead comprises a circular cutterhead body; the circular cutterhead body comprises a plurality of normal-pressure tool changing radial arms and a plurality of auxiliary beams; the plurality of normal-pressure tool changing radial arms are respectively connected with the plurality of auxiliary beams, and a plurality of normal-pressure tool changing tools are arranged on the normal-pressure tool changing radial arms; refrigerating pipelines are arranged on the lateral side faces of the normal-pressure tool changing radial arms, inner panels, the outer surfaces of the panels or the interiors of the panels, the refrigerating pipelines are provided with first inlets and outlets used for injecting or discharging low-temperature cooling liquid, heat insulation pipelines are arranged between the refrigerating pipelines and a cutterhead flange, and the heat insulation pipelines are provided with second inlets and outlets used for injecting or discharging heat insulation liquid. By means of the normal-pressure tool changing cutterhead with the freezing function, the normal-pressure tool changing cutterhead can be adopted for frequently changing tools, a tunnel face can be frozen by arranging the freezing pipelines, and it can be guaranteed that the cutterhead enters an excavation bin to work under special conditions. The construction efficiency and the equipment safety are improved, and the construction cost is reduced.

The invention discloses an outdoor electric automobile charging pile. The outdoor electric automobile charging pile comprises a charging pile body; a fixing seat is arranged at the bottom of the charging pile body; a touch operation screen is arranged on the side surface of the charging pile body; a cavity is formed in the middle of the charging pile body; a charging wire of the charging pile is arranged in the cavity; one end of the charging wire is connected with the charging pile; a charging head is arranged at the other end of the charging wire; a hanging groove for hanging the charging head is formed in a position, on the side surface of the cavity, on the charging pile body; heat radiation holes are formed in positions, at the top and on the two side surfaces of the cavity, on the charging pile body; a roller shutter door is arranged on the external side of the cavity; a central shaft is arranged at the top of the roller shutter door; the central shaft is connected with a drivingmotor; the driving motor is arranged in the charging pile body; and the driving motor and the touch operation screen are electrically connected with a control system. The outdoor electric automobilecharging pile has the advantages that the structure is simple, the outdoor electric automobile charging pile is safe and practical, small area is occupied, protection effects on the heat radiation holes in the charging pile, the charging wire and the charging head can be preferably realized, and a certain potential safety hazard is avoided.

The invention discloses a bathroom cabinet with a fogless mirror, comprising a bathroom cabinet body provided with a cabinet door in which the mirror is embedded. The back of the mirror is provided with a far-infrared heater. Outside the bathroom cabinet body, a power plug for supplying power to the far-infrared heater and a switch for controlling the far-infrared heater are provided. One side of the bathroom cabinet body is provided with an exhaust port which is provided with an exhaust fan. A switch of the exhaust fan is disposed beside the exhaust port. In use, the switch of the far-infrared heater is flipped on, heat generated by the far-infrared heater is transmitted to the back of the mirror, the temperature of the mirror is raised, the mirror is thus suitable for use in the bathroom environment and is rarely fogged; while the mirror is idle, the exhaust fan can be turned on to dissipate surplus heat from inside of the bathroom cabinet so that the temperature in the bathroom cabinet is kept normal.

The invention relates to a natural convective device of an indoor LED lamp and a method of the natural convective device. An air inlet flow guide plate and an exhaust flow guide plate are additionallyarranged on two sides of an illuminating cavity. A one-way air inlet valve body is additionally mounted on the outer side the air inlet flow guide plate. An exhaust valve body is additionally mountedon the outer side the exhaust flow guide plate. Flow guide plate air inlets are formed in the bottoms of the air inlet flow guide plates. Flow guide exhaust holes are formed in the bottoms of the exhaust flow guide plates. The flow guide exhaust holes are greater than the flow guide plate air inlets. The temperature of the illuminating cavity rises, hot air resistance of the flow guide exhaust holes is little, hot air enters an exhaust cavity quickly, and the illuminating cavity is relatively vacuum temporarily. Air in an air inlet cavity quickly enters the illuminating cavity through the flow guide plate air inlets due to pressure difference, and the air inlet cavity is relatively vacuum. The one-way air inlet valve body is opened under action of atmospheric pressure, and external cold air enters the air inlet cavity in a supplement mode. The hot air continuously enters the exhaust cavity, so that air pressure increases continuously. When the pressure is greater than the atmosphericpressure, the exhaust valve body is opened, and the hot air in the exhaust cavity is discharged into the atmosphere.

The invention provides a bathroom cabinet with a demisting mirror. The bathroom cabinet comprises a bathroom cabinet body provided with a cabinet door. The mirror is embedded in the cabinet door. The back surface of the mirror is provided with an electric heating wire arranged in the shape of S or W. The bathroom cabinet body is externally provided with a power plug for providing power supply for the electric heating wire and a switch controlling the turning-on / turning-off of the electric heating wire. One side of the bathroom cabinet body is provided with an air exhaust. The air exhaust is provided with an exhaust fan. A switch of the exhaust fan is arranged beside the air exhaust. During use, the switch of the electric heating wire is turned on; when the electric heating wire generates heat, heat generated by the electric heating wire is transmitted to the back surface of the mirror so that the temperature of the mirror rises and thus atomization is prevented even the mirror is used in the environment of bathrooms; when the mirror is not used, the exhaust fan can be turned on to dissipate redundant heat in the bathroom cabinet and the temperature in the bathroom cabinet can be kept normal.

The invention provides a monitoring system of a methane tank, belonging to the field of methane technologies and solving the problem that in the prior art, methane production is affected by unstable pressure, temperature and biogas slurry quantity of the methane tank. According to the monitoring system of the methane tank, a delivery pipe is fixed on the methane tank, and the other end of the delivery pipe is connected with a methane collecting tank. The monitoring system is characterized in that the methane tank is internally provided with a heating device capable of heating the methane tank, a feeding device and a pressure relief device. The monitoring system comprises a temperature sensor, a pressure sensor and a liquid level sensor which are all arranged in the methane tank and connected with a transformer, wherein the output end of the transformer is connected with an A / D (analog-digital) converter, the output end of the A / D converter is connected with a data processor, and the output end of the data processor is also connected with a controller. The monitoring system can be used for monitoring production environment in the methane tank, so that the methane can be produced stably, and the efficiency can be improved.

The invention discloses a remote control projection device based on a network communication technology. The device comprises a supporting assembly and a projection device. The projection device is installed at the upper end of the supporting assembly. A threaded head is mounted at the upper end of a second supporting rod; when the threaded head is in threaded rotary connection with a threaded hole, a limiting block is firstly compressed, when a host is rotated for one circle, the limiting block rebounds under the elastic potential energy of a spring, the limiting block can be clamped into a limiting hole, the threads on the outer surface of the thread head form a circle, the host can be quickly connected with a second supporting rod, convenience and quickness are achieved, after the host is connected with a second supporting rod, and when the host needs to adjust the elevation angle and the depression angle according to the projected picture, a round nut can be rotated to loosen the contact between a connector and a ball head, the ball head can be adjusted in the inner cavity of the connector, the adjustment of the elevation angle and the depression angle of the host can be facilitated, and the host can be fixed by reversely rotating the round nut after the projected picture is adjusted.

The invention relates to the technical field of power boxes, and discloses a power circuit control board fine adjustment type power box which comprises a power box shell, a supporting seat is fixedlyconnected to the interior of the power box shell, a placement seat is slidably connected to the inner side of the supporting seat, and a protection spring is movably connected to the interior of the placement seat. A bevel gear set is arranged in the supporting seat, a threaded column is rotatably connected to the side surface of the bevel gear set, a ratchet base is engaged with the outer surfaceof the threaded column, a lifting rod is movably connected to the outer surface of the ratchet base, a jacking base is movably connected to one end of the lifting rod, and a jacking spring is movablyconnected to the interior of the jacking base. The upper surface of the jacking base is movably connected with the protection spring. Under the action of the protection spring and the protection spring on the inner wall of the placement seat, the protection bag can bear pressing force with a certain buffering degree, the circuit board is prevented from being damaged, meanwhile, workers do not need to operate the protection bag, and certain workload is reduced.

The invention discloses a dust suppressing and absorbing apparatus for boring of a building. The dust suppressing and absorbing apparatus comprises a water absorbing pipe, a water storage tank, a water inlet, a water injection nozzle, a jet pipe, a support frame, a water inlet pipe, a top fixed plate, a box body, a dehumidifier, a bottom connection disc and universal wheels, wherein the water absorbing pipe is mounted on the rear end of the water storage tank; the dehumidifier is mounted on the right surface of the box body and composed of a display screen, operation buttons, a fan, a shell, air vent holes and a heat exchange pipe; the display screen is installed on the upper part of the front surface of the shell; the air vent holes and the shell are of an integrated structure; the heat exchange pipe is installed inside the shell; and the shell is mounted on the right surface of the box body. The dehumidifier composed of the display screen, the operation buttons, the shell, the air vent holes and the heat exchange pipe enables air in the apparatus to be maintained at a normal temperature, and wet air entering the apparatus is treated by the heat exchange pipe so as to form hot air; and thus, when the temperature in the apparatus achieves balance, bacteria cannot survive without damp air, so the service life of the apparatus is prolonged.

The invention discloses a cavity filter cover board, and relates to the technical field of signal processing. The cavity filter cover board comprises a board body. The upper surface of the board bodyis fixedly connected with a square box body; a frequency adjusting mechanism is arranged in the square box body; the frequency adjusting mechanism comprises a debugging rod; a first through hole matched with the debugging rod is formed in the bottom of the square box body; a second through hole is formed in the middle of the upper surface of the board body; one end of the debugging rod runs through the first through hole and the second through hole and extends to one side of the board body; a connecting block is fixedly connected to the bottom of an inner cavity of the square box body; a thirdthrough hole is formed in the middle of the connecting block; an insulating spring is fixedly connected to the top of the connecting block; a moving board is fixedly connected to the top end of the insulating spring; and the other end of the debugging rod is fixedly connected with the bottom of the moving board. According to the invention, through the square box body and the frequency adjusting mechanism arranged in the square box body, the frequency of the cavity filter can be adjusted more conveniently, the frequency modulation efficiency is improved, and the working efficiency is improved.

The invention relates to the technical field of substations, in particular to a box-type substation cooled through water circulation. The box-type substation cooled through water circulation comprises a box body and a foundation. The box body is installed on the foundation. An upper discharge pipe is arranged in the box body. A lower discharge pipe is arranged in the foundation. A water pump is arranged on the lower discharge pipe. The lower discharge pipe is buried at the position over two meters below the ground surface. According to the box-type substation cooled through water circulation, the upper discharge pipe is installed in the box body and in the foundation, cooling water is poured into the discharge pipe, and the cooling water in the discharge pipe continues to be cooled through the shady and cool characteristics of the deep portion of the foundation; in this way, it is guaranteed that the temperature of the cooling water in the whole circulation is normal, the substation is cooled, and the use effect is good.

The invention discloses a protection device for a permanent magnet synchronous motor control cabinet, and the device comprises an electric appliance cabinet housing, the two sides of the electric appliance cabinet housing are symmetrically provided with installation cabins, the top of one side of each installation cabin is provided with a cooling assembly, the middle of the interior of each installation cabin is provided with a prevention groove, and the interior of each prevention groove is provided with a drying agent. Breather pipes are symmetrically arranged on the two sides of the bottom of the drying agent; under the action of the fan bin and the fan, the interior of the electric appliance cabinet shell can be ventilated, and the passing air can be dried under the action of the prevention groove and the drying agent, so that the interior of the control cabinet can be kept dry for a long time, and the situation that the work of the control cabinet is affected due to the entrance of moisture is effectively prevented; and the introduced air can be cooled under the cooperation of the water pump, the liquid storage bin and the cooling pipe, so that the temperature in the control cabinet is effectively ensured to be in a normal state in summer, and the service life of the control cabinet is prolonged.

The present invention relates to a refrigerant valve control device and a control method thereof, which adjusts eccentricity of a refrigerant valve during an operation of a refrigerator to prevent overcooling. A refrigerant valve control device of a refrigerator includes a temperature sensing part that senses temperature inside the refrigerator; a refrigerant valve that selectively opens and closes a refrigerant path; and a controlling part that controls the refrigerant valve based on temperature differences between the sensed temperature inside the refrigerator and a predetermined control temperature. In another aspect of the present invention, a control method of a refrigerant valve for a refrigerator includes determining whether refrigerant is leaked at a refrigerant valve based on temperature differences between the temperature inside the refrigerator and a predetermined control temperature; and controlling the refrigerant valve based on the result of the determination.

The invention discloses a spring-externally-arranged water tank applied to winter. The water tank structurally comprises a top cap, baffle plates, a tank body, a de-icing device and a base, wherein the tank body is welded on the base; the top cap is welded at the top of the tank body; the baffle plates, which horizontally extend outwards, are arranged at the upper and lower ends of the tank body;the de-icing device is arranged on the outer surface of the tank body; the de-icing device is composed of supporting rods, pull ropes, a spring, spring coils, wind-up drums and a drive motor; the spring sleeves the outer surface of the tank body and fits to the tank body; the spring coils are connected to the upper and lower ends of the spring; the supporting rods are welded at two diameter sidesof the spring coil at the top; the supporting rods are connected to the wind-up drum by virtue of the pull ropes; and the wind-up drum gets into transmitting connection to the drive motor. The water tank provided by the invention has the beneficial effects that thin ice on the surface of the water tank can be scraped off along with stretching of the spring; the spring can be heated by virtue of anelectric heating wire which is arranged inside, so that de-icing efficiency can be improved and icing on the surface of the water tank can be prevented; and therefore, the water tank can be kept at normal temperature.

The invention discloses a computer hardware temperature detection and temperature control device. The device is characterized in that temperature detectors are mounted at the side end of a fixed mounting block, a fixed heat conduction box sleeves the side end of a porous heat conduction plate, a heat absorption box is fixedly mounted at the position, close to a mainboard, of a shell, backflow pipes penetrate through the tops of one ends of the fixed heat conduction box and the heat absorption box, the water inlet end of an input pipe is fixedly connected with a water outlet end of a booster pump, acceleration fans symmetrically penetrate through the two ends of the shell, an auxiliary fan is installed at the top end of the shell, and a blocking protection plate is welded to one end of a force spring. According to the invention, temperature detection is carried out on different positions in a computer case through the multiple temperature detectors, and heat dissipation is carried out on the interior of computer case through multiple heat exchange and dissipation methods, so rapid cooling can be performed when internal temperature is higher than external temperature and rapid isolation can be carried out when external air temperature is higher than the temperature of the internal case; and thus, the situation that the internal temperature is too high continuously due to interchange of the internal temperature and the external temperature and normal use of a computer is affected is avoided.