63results about How to "Temperature reached" patented technology

The invention discloses an air conditioning cabinet and an air outlet control method implemented by the same. The air conditioning cabinet comprises a shell, a front air outlet structure and a top air outlet structure. At least one air channel is formed in the shell; the front air outlet structure is arranged on the shell and is provided with a first air outlet communicated with air channels; the top air outlet structure is arranged at the upper end of the shell and is provided with a second air outlet communicated with the air channels, lifting structures are connected with the top air outlet structure and are arranged on the shell, a first rotary structure is connected with the lifting structures, the top air outlet structure can be driven by the lifting structures to move up and down, and a rotary disc, the lifting structures and the top air outlet structure can be driven by the first rotary structure to rotate relative to the shell. According to the technical scheme, the air conditioning cabinet and the air outlet control method have the advantages that the air outlet range of the air conditioning cabinet can be expanded, and the temperature of indoor air can quickly and effectively reach set temperature values; the air conditioning cabinet is simple in assembly structure, and the service comfort can be improved.

The invention provides a high and low temperature environment simulation test device, wherein the high and low temperature environment simulation test device comprises an air compressor, a refrigerated dryer, an air filter, a cascade refrigeration system, a high and low temperature air delivery pipe and a thermal insulation box connected in sequence; the thermal insulation box packages the transmission product, the compressed air is cooled by the cascade refrigeration system after processed by the refrigerated dryer and filtered by the air filter, and transmitted to the thermal insulation box through the high and low temperature air delivery pipe.

The invention discloses a cabinet air conditioner and an air outlet control method of the cabinet air conditioner. The cabinet air conditioner comprises a shell, a front air outlet structure and a top air outlet structure, wherein the shell is provided with a recess opening; the front air outlet structure is arranged on the shell and is provided with a first air outlet, and one side wall of the first air outlet adjoins with an air deflector; the front air outlet structure is provided with a driving shaft shoulder, the driving shaft shoulder is arranged in an eccentric manner, the shell is fixedly provided with a driving motor, an output shaft of the driving motor is in transmission connection with the diving shaft shoulder, the front air outlet structure is driven to rotate relative to the shell, and the first air outlet is aligned at the recess opening or the air deflector is pressed against the side wall of the recess opening and blocks the recess opening; and the top air outlet structure is arranged at the upper end of the shell and is provided with a second air outlet, the top air outlet structure is connected with a rotating structure, and the rotating structure drives the top air outlet structure to rotate relative to the shell. According to the technical scheme, the temperature of indoor air can rapidly and effectively reach a set temperature value, and the use comfort of users is improved.

The invention provides an automatic dried tofu marinating and spread cooling device. The device comprises a marinating box, a marinating conveyor belt, a lifting conveyor belt, a spread cooling conveyor belt and a spread cooling steel frame; the marinating box is a rectangular box body containing marinating liquid, one end of the marinating box is provided with a dried tofu feeding port, the other end of the marinating box is provided with a discharging port, the marinating conveyor belt is arranged in the marinating box, the lifting conveyor belt penetrates through the discharging port to stretch into the marinating box, one end of the lifting conveyor belt is located under the marinating conveyor belt and is in power connection with the marinating conveyor belt through an annular belt ring, the other end of the lifting conveyor belt is close to and is in power connection with the spread cooling conveyor belt, the spread cooling conveyor belt is installed on the spread cooling steel frame, a plurality of draught fans blowing air to the upper surface of the spread cooling conveyor belt are fixed to the spread cooling steel frame, and a motor driving the lifting conveyor belt to run is arranged on the spread cooling steel frame. The marinating conveyor belt, the lifting conveyor belt and the spread cooling conveyor belt are driven by the same motor, the structure is simple, the cost is low, and both resources and energy are saved.

The invention discloses a transmission electron microscope in-situ electrothermal coupling chip and a preparation method thereof. The structure is that an upper sheet and a lower sheet are combined through a metal bonding layer and are self-sealed to form an ultrathin chamber; both the upper sheet and the lower sheet are made of silicon substrates with silicon nitride or silicon oxide on two sides, and the upper sheet is provided with two sample injection ports and a central window; the lower sheet is provided with an electrode material layer, a transition layer, a silicon nitride or silicon oxide layer, a heating layer, an insulating layer, a silicon nitride or silicon oxide layer, a silicon substrate, a silicon nitride or silicon oxide layer and a central window, the central window is located in the center of the lower sheet, the heating layer is provided with four contact electrodes and an annular heating wire, the four contact electrodes are arranged on the edge of the chip, the heating wire is formed by communicating the tail ends of a plurality of arc lines, a slit is reserved when the arc lines are connected, and a working electrode in the electrode material layer is arranged at the slit and the front end of the working electrode extends out of the center window. The chip has the advantages of high resolution and low sample drift rate.

The invention provides a welded pipe electric welding machine with an excellent cooling effect and relates to the field of welded pipe machining. The welded pipe electric welding machine with the excellent cooling effect comprises a first box body, a second box body and cooling boxes, wherein an electric welding machine assembly is arranged inside the second box body; the second box body is positioned in the first box body; two symmetrically distributed cooling boxes are arranged in a gap between the first box body and the second box body; the two cooling boxes are respectively mounted on the outer wall of the second box body; a first air outlet pipe is arranged on the top of the cooling boxes; one end of the first air outlet pipe penetrates through the cooling boxes and extends into the cooling boxes; one side of the outer wall of the first air outlet pipe is communicated with an exit pipe; and one end, which is far away from the first air outlet pipe, of the exit pipe sequentially penetrates through the cooling boxes and the second box body and extends into the second box body. According to the welded pipe electric welding machine with the excellent cooling effect, a cyclic refrigerating effect is achieved, the temperature of the electric welding machine assembly is reduced, and the service life of the electric welding machine is prolonged.

The present invention relates to a method for controlling opening and closing of discharge grate of air conditioner and its device. In order to effectively execute the refrigeration / heating air-conditioning function of air conditioner, according to the refrigerating / heating operation mode said invention used the articulation as centre to set the initial set angle of discharge grate angle, according to the initial set angle correspondent to the operation mode it can control the angle of discharge grate. Besides, in order to more effectively execute air-conditioning function of refrigerating / heating operation mode, according to increased special angle or reduced special angle the angle of the discharge grate can be turned.

The invention discloses a deslagging agent for lead alloy smelting. The deslagging agent comprises sodium nitrate and wood charcoal powder; the deslagging agent at least also comprises potassium permanganate and / or pyritic ash; the deslagging agent for lead alloys is formed by mixing the potassium permanganate and / or the pyritic ash with the sodium nitrate, wood charcoal powder and other deslagging agent components; through the potassium permanganate component, oxygen can be decomposed at a temperature of a melting point of lead and oxidation reaction on the oxygen and the wood charcoal is carried out, and a large amount of heat is produced to ensure that a temperature of a melting agent is quickly raised to reach a decomposition temperature of the sodium nitrate, and the sodium nitrate isfurther decomposed and the oxygen is released, and then oxidation reaction on the oxygen and the wood charcoal is carried out, so that a large amount of heat is produced, a slag temperature is further raised, and separation of slag and lead liquid is promoted; by adding the pyritic ash, copper harmful elements can be further removed in a smelting process.

The invention discloses a cabinet air conditioner, an air conditioner and an exhaust control method of the cabinet air conditioner. The cabinet air conditioner comprises a shell and an exhaust device, wherein an air way is formed in the shell; the exhaust device is fixed on the shell, and includes three exhaust structures; the three exhaust structures are all communicated with the air way; air holes are formed between exhaust ports of two adjacent exhaust structures; the exhaust structures include exhaust frames communicated with the air way, rotating mechanisms connected with the exhaust frame for driving rotation of the exhaust frame corresponding to the shell, and rotary matching pieces for forming an annular rotating groove; and a rotating part is arranged at the lower end of the exhaust frame, and is positioned in the annular rotating groove to rotate in the annular rotating groove. The cabinet air conditioner can effectively adjust the exhaust quantity, the exhaust angle and the exhaust mode, so that the temperature of indoor air effectively and quickly reaches a set temperature.

The invention discloses an atom generator comprising a vacuum flange, a gas introducing module, a heating module, a heat insulation module, a cooling module and an outlet module. The gas introducing module comprises a gas supply source, a vacuum micro-adjusting valve and a gas supply tube. The heating module comprises a power supply, a tungsten capillary and tungsten heating elements. The heat insulation module comprises a molybdenum heat insulation layer which is fixedly installed on the vacuum flange. The cooling module comprises a cooling sleeve which sleeves the molybdenum heat insulation layer. The outlet module comprises an outlet support which is arranged below the tungsten capillary. The outlet support is fixedly installed on the tungsten heat insulation layer and is provided with a conical internal hole. The center line of the conical internal hole and the center line of the tungsten capillary are collinear, and the diameter of the top end of the center line is less than that of the bottom end. The output support with the conical internal hole is additionally arranged at an atom outlet so that flux density of atoms at a small polar angle can be increased, flux density of the atoms at a large polar angle can be suppressed, angular distribution of atomic beams at the outlet can be improved and atom utilization rate can be enhanced.

The invention discloses a temperature return control method and device, a storage medium and an air conditioner. The method comprises the following steps that a first human body comfortable region temperature of the space to which the air conditioner belongs is obtained when the air conditioner enters defrosting; when the air conditioner quits the defrosting, a second human body comfortable regiontemperature of the space to which the air conditioner belongs is obtained; a temperature difference absolute value between the second human body comfortable region temperature and a target comfortable region temperature is determined; and according to the first human body comfortable region temperature and the temperature difference absolute value between the second human body comfortable regiontemperature and the target comfortable region temperature, the compressor running frequency and / or the fan rotating speed of the air conditioner after the air conditioner quits the defrosting is controlled, and therefore temperature return control over the air conditioner is achieved. According to the scheme, the problem that the comfort of a user is affected due to the fact that the ran temperature return time of the running frequency during normal heating is longer after the defrosting is completed can be solved, and the effects of shortening the temperature return time and improving the comfort of the user are achieved.

The invention belongs to the field of wind tunnel test supporting equipment, and specifically discloses a control device for a temperature gradient of a wind tunnel and a control method thereof. The device includes a temperature difference grid, fixed type temperature sensors, movable type temperature sensors, and a temperature controller; during control, a temperature coefficient matrix is obtained according to distribution of temperatures of each of layers of the temperature difference grid measured by the fixed type temperature sensors and the movable type temperature sensors and the distribution of a temperature of a target position; then the temperature required by each of the layers of the temperature difference grid is obtained by calculation according to the temperature coefficientmatrix and a target temperature gradient required by the target position; and finally, the controller controls heating coils of each of the layers of the temperature difference grid according to thedistribution of the temperatures of each of the layers of the temperature difference grid obtained by the calculation to make each of the layers reach a required temperature. The device can perform stratification on air flow and independently heats the stratified airflow to obtain different temperature gradients, thereby performing stratified simulation on the air flow, and temperature gradient control of the air flow of each of the layers is achieved.

The invention provides a novel cable joint explosion-proof box. The novel cable joint explosion-proof box comprises a shell, a ceramic polyolefin inner layer, a high-strength fiber layer, a pressure relief hole, a pressure relief cover plate, a fire extinguishing egg, a shell glue filling port and a shell fastening device; the shell is of an upper and lower double-petal combined structure, the twosides of the shell are in a contracted state, the upper and lower shells wrap and clamp a cable, shell fastening devices are arranged at the clamping positions of the two sides, a pressure relief hole and a shell glue filling port are formed in the shell, and a pressure relief cover plate is arranged below the pressure relief hole; the outer layer of the cable is sequentially wrapped with the high-strength ceramic polyolefin inner layer and the high-strength fiber layer. In the using process, when the internal pressure of the explosion-proof box is too high, internal gas is exhausted throughthe pressure relief holes, the explosion-proof box automatically relieves pressures, fire extinguishing eggs can be started instantly to extinguish fire, the temperature of a large amount of heat released by explosion is reduced in the fire extinguishing process, the purposes of fire extinguishing and cooling are achieved, and the functions of automatic pressure relief, explosion prevention, fireextinguishing and water prevention are achieved; and the loss and harm of accidents are greatly reduced.

The invention relates to an electro hydraulic servo system heat balance determination method. Aiming at the heat balance calculation of a servo mechanism, an existing method adopts a servo system as a temperature whole body, energy power is assumed to completely convert into heating, and the heat is absorbed by oil liquid and a structure through heat capacity and is converted into temperature rise. However, component parts of the servo system are more, the temperature difference of the parts is large, and an operating and heating mechanism is complicated, so that the method is hard to accurately simulate the heat property. According to the electro hydraulic servo system heat balance determination method provided by the invention, a servo system is decomposed into a turbine, a tangent pump, a heat exchanger, an overflow valve and other main elements; the elements are divided into flowing nodes and outer wall nodes; heat of each part is calculated; a heat model of the servo motor is built through a heat capacity-heat resistance (R-C) theory; and the heat circularly flows in the servo system along with hydraulic oil, so that the heat of the nodes is mutually affected, and finally the heat balance of the servo system is achieved.

The invention relates to an oxygen-rich intelligent temperature-control ladle baking device and a using method thereof. The ladle baking device is provided with a ladle cover, a ladle liner and a burner assembly, a space is reserved between the outer periphery of the ladle liner and the inner wall of a steel ladle, and a gap is further reserved between the periphery of the ladle cover and the edgeof the upper opening of the steel ladle; a plurality of temperature sensors capable of testing the temperature of the outer wall of the ladle liner are arranged on the wall of the ladle liner; the burner assembly is provided with an igniter, a fuel gas pipe, a combustion-supporting gas pipe and a combustion head, the combustion head extends out of the bottom of the ladle liner, the upper end of the burner assembly extends out of the ladle cover, the burner assembly is fixed in the middle of the ladler cover, and a self-control switch of the igniter, a gas inlet of the fuel gas pipe and a gasinlet of the combustion-supporting gas pipe are arranged at the upper end of the burner assembly; and the ladle baking device is further provided with a PLC, and the PLC is in signal and control connection with the temperature sensors and the self-control switch. The ladle baking device has the advantages that the structural design is reasonable, running is safe and reliable, the automation degreeis high, the operation and the use are convenient, the steel ladle is uniformly baked, the baking time is effectively shortened, the baking efficiency is improved, and the pollution to the environment is relatively low.

The invention discloses a circular hot cutter device adopting non-contact heating. The circular hot cutter device adopting non-contact heating comprises a cylinder body, a rack, a bottom cutter shaftarranged above the rack in parallel, and a guide rail support vertically arranged on the rack, wherein the cylinder body is detachably connected with a sidewall above the guide rail support; and a plurality of cylinder barrels are arranged in the cylinder body in parallel, a piston rod is arranged in each cylinder barrel, a cylinder arranged in parallel is composed of a cylinder front gland and acylinder rear gland, an upper gas hole and a lower gas hole are further formed in the cylinder rear gland, and communicate with a gas inlet port and a gas outlet port of each cylinder separately, a bearing installation seat is fixedly installed at a stretching end of each piston rod, a circular cutter and an electromagnetic heating ring sleeving the cutter point of the circular cutter are movablyinstalled on each bearing installation seat, and an electromagnetic heating control box is further arranged on the cylinder body, and connected with each electromagnetic heating ring through an electric wire. The circular hot cutter device adopting non-contact heating realizes multi-cutter hot-pressing slitting machining with an adjustable temperature, an adjustable pressure and an adjustable breadth.

The invention discloses a straw briquette temperature control device. A cooling water tank (2) is positioned on the top of a pressing film (1); a water inlet (5) and a water outlet (6) are respectively formed on the cooling water tank (2); a water injection nozzle is arranged at the bottom of the cooling water tank (2) and is opposite to the pressing film (1); an input port of a water pump (3) is communicated with a cold water tank (4) through a water inlet pipe I (7) and an output port of the water pump (3) is communicated with the water inlet (5) of the cooling water tank (2) through a water inlet pipe II (8); a water pump motor (9) is connected to the water pump (3); a temperature detection control device (10) is connected to a control end of the water pump motor (9); a signal acquisition end of the temperature detection control device (10) is connected with the pressing film (1); a control signal output end of the temperature detection control device (10) is connected with a control end of the water pump motor (9); and the water outlet of the cooling water tank (2) is connected with the cold water tank (4) through a water outlet pipe (11).

The invention discloses a control method of an air conditioning system, the air conditioning system and a storage medium. The control method comprises the steps that after the air conditioning system starts dehumidification and reheating, the indoor environment temperature and the outdoor environment temperature of the air conditioning system are obtained, and when the indoor environment temperature is smaller than or equal to a first set temperature, the current temperature of an outdoor heat exchanger is obtained; the rotating speed of an outdoor fan is adjusted according to the outdoor environment temperature and the current temperature of the outdoor heat exchanger. According to the control method of the air conditioning system, the air conditioning system and the storage medium, when the indoor environment temperature is smaller than or equal to the first set temperature, the rotating speed of the outdoor fan is adjusted according to the relation between the outdoor environment temperature and the current temperature of the outdoor heat exchanger so as to change condensation heat dissipation of the outdoor heat exchanger, and therefore the reheating temperature rising effect of an indoor unit is improved, namely, the indoor environment temperature is increased; therefore, the temperature set by a user is reached, and the comfort of the user is improved.

The invention discloses a device and method for controlling an alternating current PTC heater, alternating current equipment and a vehicle. The device for controlling the alternating current PTC heater comprises: a zero crossing detection module used for detecting a zero crossing point signal of an alternating current electric signal for supplying power to an alternating current PTC heater; a driving module comprising a controllable switch used for controlling the alternating current PTC heater; and a control module connected with the zero crossing detection module and the driving module, and used for obtaining the required heating power, obtaining a target phase shift angle for driving the controllable switch according to the required heating power, responding to the zero crossing point signal, and controlling the conduction time of the controllable switch according to the target phase shift angle, so that the AC PTC heater outputs the required heating power. According to the device for controlling the alternating-current PTC heater, the alternating current PTC heater is arranged, heat energy supply of low-temperature heating of a heat pump system is met, the heating requirement is met, the technology is mature, cost is low, and the application range is wide.

The invention discloses an atom generator comprising a vacuum flange, a gas introducing module, a heating module, a heat insulation module, a cooling module and an outlet module. The gas introducing module comprises a gas supply source, a vacuum micro-adjusting valve and a gas supply tube. The heating module comprises a power supply, a tungsten capillary and tungsten heating elements. The heat insulation module comprises a molybdenum heat insulation layer which is fixedly installed on the vacuum flange. The cooling module comprises a cooling sleeve which sleeves the molybdenum heat insulation layer. The outlet module comprises an outlet support which is arranged below the tungsten capillary. The outlet support is fixedly installed on the tungsten heat insulation layer and is provided with a conical internal hole. The center line of the conical internal hole and the center line of the tungsten capillary are collinear, and the diameter of the top end of the center line is less than that of the bottom end. The output support with the conical internal hole is additionally arranged at an atom outlet so that flux density of atoms at a small polar angle can be increased, flux density of the atoms at a large polar angle can be suppressed, angular distribution of atomic beams at the outlet can be improved and atom utilization rate can be enhanced.

The invention discloses a special thermostat for online transformer oil detection chromatography columns. The thermostat comprises a box, wherein the box is divided into an inner box body and an outer box body; a central processing unit, oil chromatography columns and a heating device are mounted in the inner box body; a terminal is arranged at the back of the outer box body, and a cooler is arranged on the top of the outer box body and connected with the inner box body; the oil chromatography columns are arranged on oil chromatography column bases, the oil chromatography column bases are connected with a supporting ring, and oil chromatography column supporting bases are arranged on the oil chromatography column bases and connected with the heating device; the heating device comprises a finned radiator, heating pieces, a heating device bottom table and high-temperature-resistant fans; the heating pieces are attached to the finned radiator, the high-temperature-resistant fans are arranged under the heating device bottom table, and each of the high-temperature-resistant fans, the finned radiator and the oil chromatography columns is equipped with a thermometer. The thermostat is reasonable in design, and the temperature is easy to control and no open flames are generated during use, so that the special thermostat is safer and more reliable to use, simpler in structure and convenient to operate.

The invention belongs to the technical field of preparation of novel materials for roads and in particular relates to flame-retarding asphalt and a preparation method thereof. The preparation method comprises the following steps: enabling petroleum asphalt to react with vinyltrimethoxysilane and an initiator; then adding a solvent and carrying out ultrasonic dispersion; then reacting with a photoinitiator and mercaptoacetic acid to obtain a product; carrying out ultrasonic dispersion on the product and a cobalt acetate solution; then stirring and drying to obtain modified petroleum asphalt; then heating and stirring the petroleum asphalt, nano carbon black, calcium alginate, a coupling agent and a smoke suppressant; finally, naturally cooling to room temperature to obtain the flame-retarding asphalt. The flame-retarding asphalt prepared by the preparation method has relatively good smoke suppression and flame-retarding effects; meanwhile, smoke generated in a combustion process of the flame-retarding asphalt does not cause dangers to human bodies and environment, so that the flame-retarding asphalt is an ideal pavement materials for the roads.

The invention discloses an artificial intelligent greenhouse fungus constant-temperature cultivation device, which comprises a ground body and a greenhouse body. A supporting plate is fixedly connected to the top of the ground body and located inside the greenhouse body. The front side of the supporting plate is fixedly connected with a rectangular box. One side of the inner wall of the rectangular box is fixedly connected with a motor. An air heater is fixedly connected to the front side of the supporting plate and located at the bottom of the rectangular box. A vertical plate is fixedly connected to the top of the ground body and located on the back surface of the supporting frame. A threaded rod is rotationally connected between the supporting plate and a vertical plate, on one side opposite to the vertical plate through a bearing. The invention relates to the technical field of agricultural planting. The artificial intelligent greenhouse fungus constant-temperature cultivation device can realize the automatic heating purpose when the temperature in the greenhouse body is too low. In this way, the temperature in the greenhouse body can reach a required value. The manual heatingis not needed, so that a lot of troubles are reduced for workers. Meanwhile, the growth environment of fungi is also met.

The invention discloses a refrigerator. The refrigerator comprises a refrigerator body, a door, a thermal insulting separator, and a refrigeration assembly, wherein the front side of the refrigerator body is open and an air duct is arranged in the rear wall of the refrigerator body; the door is mounted at the opening of the refrigerator body and a storage chamber is formed between the door and the refrigerator body; the thermal insulting separator is mounted in the storage chamber to divide the storage chamber into a first sub-cavity and a second sub-cavity independent of each other, and a temperature sensor is mounted in one or two of the first sub-cavity and the second sub-cavity; the refrigeration assembly is mounted in the air duct. The refrigerator is simple in structure; the single storage chamber of the refrigerator has both a cold storage function and a freezing function, and therefore, the requirements of product cold production and product freezing can be met simultaneously; as a result, the refrigerator is capable of better satisfying the use of a user and remarkable in practicability.

The invention relates to a temperature-controllable water boiler. The water boiler comprises a support, a support rod, a bearing, a kettle, a kettle lid, a water guide groove, a drive mechanism and a cooling mechanism, wherein the drive mechanism comprises a storage battery, a motor, a first circular gear, a second circular gear, a temperature sensor and a PLC (programmable logic controller). The temperature-controllable water boiler is elaborate in design, reasonable in structure and high in feasibility, hot water flows from a water outlet by the aid of the drive mechanism, water is cooled quickly by means of the cooling mechanism, the water temperature is detected by the temperature sensor, so that the PLC controls the inclination angle of the kettle to control water flow, the water reaches the temperature required by a user, and the water can be used for making tea conveniently, used as domestic water, used for product production or drunk directly.

The invention provides an air conditioner automatic fire extinguishing device and an air conditioner, and relates to the technical field of air conditioners. The air conditioner automatic fire extinguishing device comprises at least one refrigerant pipeline filled with a refrigerant, and an electric appliance box; the electric appliance box is internally provided with a lighter; one end of the refrigerant pipeline stretches into the electric appliance box and is opposite to the lighter, and the other end of the refrigerant pipeline is used for being connected with an air conditioner pipeline;and the end, close to the lighter, of the refrigerant pipeline is provided with a refrigerant outlet, the refrigerant outlet is provided with a fusible plug head, and the fusible plug head can selectively open the refrigerant outlet. Compared with the prior art, the air conditioner automatic fire extinguishing device provided by the invention is simple in structure, low in cost and capable of recognizing a fire in time and automatically putting out the fire, the fire is prevented from being further spread, and the air conditioner firing problem is fundamentally solved.

The invention discloses a cabinet air conditioner and a control method thereof, wherein the cabinet air conditioner comprises a housing, a positive air outlet structure and a top air outlet structure; at least one air flue is formed in the housing; the positive air outlet structure is equipped with a positive air outlet which communicates with the air flue; the positive air outlet structure is connected with a first rotary structure; the top air outlet structure is arranged at the upper end of the housing, and is provided with a top air outlet which communicates with the air flue; the top air outlet structure is connected with a second rotary structure; the positive air outlet structure comprises a positive air outlet frame; the positive air outlet frame comprises an air baffle plate; a positive air outlet is formed in the air baffle plate; an avoidance hole which is matched with the positive air outlet is formed in the housing; the first rotary structure comprises a first drive motor, a first drive gear and a gear ring; the gear ring is fixedly connected with the positive air outlet frame; and the first drive gear is engaged with the gear ring for driving the positive air outlet frame to rotate in the housing, so that the positive air outlet is opposite to the avoidance hole or the avoidance hole is sealed by the air baffle plate. The cabinet air conditioner disclosed by the invention is good in air regulating effect, and is simple and stable in structure.

The invention discloses an electrothermal film. The electrothermal film is characterized by comprising an outer coating layer, a heating core layer and an electric connection sheet assembly. The outer coating layer is composed of an upper surface layer and a bottom layer, and the heating core layer is wrapped by the outer coating and located between the upper surface layer and the bottom layer of the outer coating. The heating core layer is formed by laying conductive heating strips, wherein the head and the tail of each conductive heating strip are respectively provided with a positive electrode connecting part and a negative electrode connecting part, and the part, between the positive electrode connecting part and the negative electrode connecting part, of each conductive heating strip is a heating part. Distances between parallel adjacent parts of the heating parts are gradually reduced from inside to outside. The electric connection sheet assembly comprises a positive electric connection sheet and a negative electric connection sheet, wherein the positive electric connection sheet and the negative electric connection sheet are made of metal conductive materials; the positive electric connection sheet is fixedly and electrically connected to the outer coating layer and is electrically connected to the positive electrode connecting part; and the negative electric connection sheet is fixedly connected to the outer coating layer and is electrically connected to the negative electrode connecting part.

The invention relates to a variable-temperature isolated organ mechanical perfusion system which comprises an organ preservation module, an oxygenation module, a temperature control module and a perfusion module; an outlet of the perfusion module is communicated with a liquid inlet of the oxygenation module, and the perfusion module is used for injecting perfusion liquid into the oxygenation module; a liquid outlet of the oxygenation module is communicated with an inlet of the temperature control module, and the oxygenation module is used for increasing the oxygen content in the perfusate and introducing the perfusate with the increased oxygen content into the temperature control module; the outlet of the temperature control module is communicated with an inlet of the organ preservation module, and the temperature control module is used for controlling the temperature of perfusate; the outlet of the organ preservation module is communicated with the inlet of the perfusion module, and the organ preservation module is used for absorbing nutrients in the perfusate and outputting the absorbed perfusate. The temperature of the perfusate can be adjusted, different temperature requirements of different isolated organs on the perfusate are met, the preservation time of the isolated organs is prolonged, and the universality of the system is improved.