46results about How to "Affect the cooling effect" patented technology

The invention provides a condensation prevention method and device for refrigeration equipment. The condensation prevention method comprises the steps: detecting the humidity of the external environment of the refrigeration equipment; judging whether the humidity is less than the preset humidity threshold value or not; if yes, setting the turn-on temperature of a storage room as first turn-on temperature, setting the turn-off temperature of the storage room as first turn-off temperature, and setting the speed of a compressor as first speed; if not, setting the turn-on temperature of the storage room as second turn-on temperature, setting the turn-off temperature of the storage room as second turn-off temperature, and setting the speed of the compressor as second speed. Thus, the refrigeration cycle of a refrigeration system is constant, the operating time of the compressor is prolonged, and the stop time of the compressor is shortened. The condensation prevention method can avoid long-time condensation, thereby overcoming the defects that the paint film of a box body is shed largely, the corrosion of the box body is accelerated, the service life of the refrigeration equipment is shortened, and the refrigeration effect of the refrigeration equipment is influenced.

The invention discloses a refrigerator control method and a refrigerator. The control method includes the steps that after an evaporator completes defrosting, a refrigeration fan is started; after operating for first preset time, the refrigeration fan is shut down; a compressor and the refrigeration fan are controlled to be started sequentially to carry out the refrigeration work. According to the technical scheme, after defrosting is completed, the refrigeration fan is started first to spin water drops on the refrigeration fan off so as to prevent the water drops from freezing on the refrigeration fan, and then it is avoided that as the refrigeration fan is frozen, power consumption and noise of a system are increased; when the compressor is started to refrigerate the evaporator, the refrigeration fan is shut down, so that it is avoided that when the compressor starts to refrigerate the evaporator, hot air in a cavity is blown into a freezing chamber and a refrigerating chamber of the refrigerator by the fan to affect the refrigeration effect of the refrigerator.

The invention belongs to the field of windows and doors of fixed constructions, and particularly discloses a novel fire-proofing escape door with a cooling effect. The novel fire-proofing escape door comprises a door frame and a door body, which are made of fire-proofing core plates, wherein a door handle is respectively arranged on indoor side and outdoor side of the door body; a fire-extinguishing and cooling device is arranged on one side of each door handle, and comprises a cylinder body; a separator is arranged in each cylinder body, one end of each separator is hinged in the respective cylinder body, the other end of each separator is adhered with glue, and each separator is adhered to the inner wall of the respective cylinder body through the first glue; each cylinder body is separated into a first chamber and a second chamber by virtue of the respective separator, each first chamber is filled with aluminum sulfate, and each second chamber is filled with sodium bicarbonate; a nozzle is formed in the side wall of the top of each cylinder body, and is filled with second glue for sealing; the melting point of the second glue is higher than that of the first glue; and the nozzle is just aligned to each door handle. By adopting the scheme, the temperature of the door handles can be reduced when a fire disaster happens, so that the escape rate of people can be improved.

The invention belongs to the related technical field of solar energy conversion and utilization equipment, The invention discloses a solar semiconductor air conditioning umbrella based on thermoelectric refrigeration and direct evaporation refrigeration. The air conditioning umbrella comprises a base, a plurality of pulleys, an umbrella rod, an air outlet pipe, a refrigeration assembly and an umbrella surface. The umbrella rod is vertically arranged, one end of the umbrella rod is connected with one side of the base, and the other end of the umbrella rod is connected with the umbrella surface;The refrigeration assembly is arranged in the base, and is used for refrigerating the air and transmitting the cooled and humidified air to the air outlet pipe. One end of the air outlet pipe is connected with the base, and is positioned directly below the umbrella surface; The air outlet pipe is used for ejecting the air after the cooling and humidification, and the air outlet direction and thewind speed are adjusted by 360 DEG by rotation to meet the cooling in the predetermined space of the umbrella surface. The invention improves the refrigeration effect, has strong practicability, and is energy-saving and environment-friendly.

The invention provides a refrigerator. The refrigerator comprises a refrigerator body, a door body, a refrigeration system and a dust accumulation disc, wherein an object storage space and a compressor bin are limited in the refrigerator body; the compressor bin is arranged on the back side of the bottom of the refrigerator body; the front side of the compressor bin is an air duct; the compressorbin is provided with an air inlet; the air inlet communicates with the air duct; the door body is pivotally arranged on the front surface of the refrigerator body, and is used for allowing a user to open and close the object storage space; the refrigeration system provides cold energy for the object storage space; and the dust accumulation disc is detachably arranged at the air duct, communicateswith the air inlet of the compressor bin, and blocks dust in air entering the air duct, so that clean air enters the compressor bin. According to the refrigerator, the dust accumulation problem of therefrigeration system in the compressor bin is solved through a simple structure, the refrigeration effect of the refrigeration system is prevented from being affected by accumulated dust, and besides, entire energy consumption of the refrigerator can be further reduced; and the dust accumulation disc is detachably arranged at the air duct, so that the user can regularly pull out and clean the dust accumulation disc conveniently, and utilization convenience of the user is improved.

The invention relates to a kind of suppress-printing production technology of laser pattern. Install the printed matter and laser membrane on the production line respectively, spread a layer of ultraviolet ray oil on the printed matter surface, make the side with pressed line pattern of the laser membrane coincident with the printed matter, utilize the ultraviolet light to shine the printed matter to solidify the ultraviolet ray oil, the laser transparent membrane is separated from printed matter. In the above-mentioned course, send the cool air into the solidification case, control the temperature of the area between the solidification case printing opacity glass and the printed matter within the range from 30 DEG C to 60 DEG C . This production technology can solidify the ultraviolet ray oil in time, make the laser membrane and printed matter break away from each other automatically, and avoid the problem caused by overheating of the printed matter as bubbling and shape losing of the laser pattern , etc.

The invention discloses an anti-freezing device with an automatic extrusion-drainage function for an air conditioning refrigeration board. The anti-freezing device with the automatic extrusion-drainage function for the air conditioning refrigeration board structurally comprises the air conditioning refrigeration board, the anti-freezing device and a flow guiding pipe, wherein the air conditioningrefrigeration board is arranged in the rear of the upper end surface of the anti-freezing device; and one end of the flow guiding pipe is arranged on the inner surface of the anti-freezing device. According to the anti-freezing device with the automatic extrusion-drainage function for the air conditioning refrigeration board provided by the invention, through the mutual combination of the parts, the device can regularly stretch absorbent cotton during the working process so as to clean water drops attached onto the surface of the air conditioning refrigeration board, so that the occurrence ofthe phenomenon that the water drops are influenced by cold air so as to be coagulated into ice frost and influence a refrigeration effect of an air conditioner during the refrigeration process of theair conditioning refrigeration board is avoided; and meanwhile, after the absorbent cotton absorbs water, the absorbent cotton can be automatically extruded through a drainage extrusion plate during the rotation process, so that water drops adsorbed in the absorbent cotton are drained, the inconvenience in manual operation is avoided, a water absorption effect of the absorbent cotton is effectively improved, and the practicability is high.

The invention provides an intelligent ash deposition maintenance control method and system for a condenser, a refrigerator and a terminal. The intelligent ash deposition maintenance control method for a condenser of a refrigerator comprises the following steps: after detecting that a compressor is started up, detecting the pressure difference delta p at an air supply opening and an air discharge opening of the condenser every preset time, and detecting the ambient temperature tw of a place where the refrigerator works; determining the ash deposition amount gamma n of the condenser according to the pressure difference delta p and the ambient temperature tw; and sending the ash deposition amount gamma n to a terminal. According to the intelligent ash deposition maintenance control method for the condenser of the refrigerator, the purpose that the terminal judges whether ash deposition of the condenser is cleaned according to the ash deposition amount gamma n is achieved, so that maintenance personnel can clean ash deposition of the condenser, accordingly, the heat exchange efficiency of the condenser is improved, meanwhile, the energy consumption of the refrigerator cannot be increased, and the use satisfaction of a user to the refrigerator is improved. Furthermore, the phenomenon that corrosion of the condenser is quickened by too much ash deposition of the condenser is avoided, the service life of the condenser is prolonged, and further, the use satisfaction of the user to the refrigerator is improved.

The invention discloses a vehicle-mounted air conditioner with the direction of an air outlet capable of being adjusted in the technical field of vehicle-mounted air conditioners. The vehicle-mountedair conditioner comprises a vehicle-mounted air conditioner body. An adjusting sleeve pipe is arranged at the left end of the vehicle-mounted air conditioner body. Rotating blocks are arranged on theouter walls of the upper end and the lower end of the right side of the adjusting sleeve pipe. A rotating groove is formed in the outer wall of the left side of the vehicle-mounted air conditioner body, and the vertical section of the rotating groove is round. The right ends of the rotating blocks are connected to an inner cavity of the rotating groove in an inserted manner. The right end of the outer wall of the adjusting sleeve pipe is connected with an annular supporting plate in a sleeved manner. An annular baffle is arranged on the outer wall of the left side of the annular supporting plate. One set of blade moves up and down in the device, three sets of blades can rotate at the same time, the angle of the air outlet of the vehicle-mounted air conditioner moves up and down, and the vehicle-mounted air conditioner can blow various parts of the human body of people; and the adjusting sleeve pips is rotated, the blades are changed into left-and-right rotation from up-and-down rotation, and therefore the air outlet of the vehicle-mounted air conditioner can be adjusted left and right, and the vehicle-mounted air conditioner can blow people at different angles according to needs.

The invention relates to the technical field of slot milling machines and particularly relates to a high-efficiency slot milling machine which comprises a Z-axis servo motor, a Z-axis motor base, an X-axis motor base, an X-axis servo motor, a Z-axis ball screw nut pair, a Y-axis servo motor, a speed reducer, an X-axis ball screw nut pair, a motor plate, a spindle motor, a tool setting rod, a toolsetting rod seat, a gear, a support air cylinder, a cantilever, a support air cylinder seat, a lifting seat, a motor plate base, a speed reducer floor and a numerical control double-station multi-headslot milling machine mounting base. The high-efficiency slot milling machine provided by the invention is of reasonable structural design; the numerical control double-station multi-head slot millingmachine mounting base can process workpieces of different sizes, the making of other moulds is not needed, thus the production cost is greatly saved; meanwhile, a thermal insulation structure can avoid heat circulation between the water in a water storage tank and the outside, consequent temperature rise of refrigerated water and influence on the refrigeration effect of a diesel engine.

The invention relates to the technical field of power cabinets, and discloses an electric power cabinet beside a road. Water outlet grooves are formed in the left and right sides of a box body; cooling grooves are formed in the upper walls of the two water outlet grooves; and a water receiving tank does not have an upper wall, so that rain can be collected in rainy days. When the weather is hot, heat generated by operation of electronic components in the box body cannot be cooled, an air bag is heated to expand, a lifting plate is driven to slowly move upwards, and a lifting rod is driven to move upwards, so that a lifting column can be driven to move upwards, a rubber plate is driven to move upwards, water in the water receiving tank can flow into a connecting groove through a connectingpipe, then the water flows into the two cooling grooves along the connecting groove to cool the box body, air in the box body is cooled, heat is brought to the two water outlet grooves by water to bedischarged, the box body can be cooled without arranging a heat dissipation window, dust is prevented from entering the box body, the box body does not need to be cleaned regularly, and thus a user can conveniently use the box body.

The invention discloses a chemical refrigerant and application thereof and a product. Ammonium chloride and urea are used as reactants; after water is added into ammonium chloride and urea, a reactionis carried out immediately, so the temperature of the chemical refrigerant can be reduced to 0 DEG C within about 30 seconds, can reach the lowest temperature of -8 DEG C within about 100 seconds andis gradually increased to about 10 DEG C within 1-2 hours; and the cooling and low-temperature maintaining effects of chemical refrigerant are very ideal, so the chemical refrigerant is particularlysuitable for medical cooling. An outer-layer bag is filled with the reactants, and an inner-layer bag is filled with water; during use, the outer-layer bag only needs to be held forcibly so as to extrude and break the inner-layer bag, so the dissolution reactant and the refrigeration reactants are combined to generate a dissolution endothermic reaction, the purpose of refrigeration is achieved, and the use of the chemical refrigerant is easy and convenient. The chemical refrigerant of the invention has the advantages of high heat absorption capacity, no explosion hazard, small refrigeration temperature fluctuation range, long refrigeration time, and usage of easily-available and cheap materials.

The invention relates to an ultralow-temperature vacuum draught fan which comprises a machine base, a machine shell, a motor, a main shaft, an impeller assembly and an air inlet ring. The machine shell is fixed to the upper portion of the machine base. A cold bridge is arranged between the machine shell and the machine base. The cold bridge is prepared from a polytetrafluoroethylene material. The impeller assembly is fixed into the machine shell. One end of the impeller assembly is communicated with the air inlet ring, and the other end of the impeller assembly is connected with the motor. The motor is fixed to the machine base. The main shaft penetrates the machine shell. A sealing structure is arranged between the main shaft and the machine shell. The impeller assembly comprises a front disc, a middle disc, a rear disc, first blades, second blades and a rotating shaft. The ultralow-temperature vacuum draught fan is used for manufacturing an ultralow-temperature vacuum environment, and the temperature can be lowered to -80 DEG C or even lower.

The invention discloses an air cooler device easy to move and based on self-cleaning, and relates to the technical field of air coolers. The air cooler device easy to move and based on self-cleaning comprises a fan box, and a rotating mechanism, a pressurizing mechanism and a cleaning mechanism are arranged in the fan box; and a lifting mechanism is arranged below the fan box, and a base is fixedly installed on the outer surface of the bottom of the fan box. According to the air cooler device easy to move and based on self-cleaning, through cooperative use of a first motor, a first rotating rod, a fan, a first belt pulley, a second rotating rod, a second belt pulley, a belt, a rotating disk, a piston rod, an inflation box, a piston, an air inlet pipe, an air outlet pipe, a water outlet pipe, a nozzle, a wet curtain and a steam-water separator, cold air is blown to outside, and the refrigerating effect is good; and resources are reused. The principle of one machine with multiple functions is achieved, and the refrigeration efficiency of the air cooler device is greatly improved; and the cooling effect of the air cooler device is improved, and the plasticity of the device is greatlyimproved.

The invention relates to the technical field of water coolers, and discloses an automatic water cooler circulating water control device which comprises a bottom plate and a water cooler body. The lower end of the water cooler body is fixedly connected with the left side of the upper end of the bottom plate; the output end and the input end of the water cooler body are fixedly connected with a mainwater inlet pipe and a return pipe correspondingly; two water storage tanks are arranged on the right side of the water cooler body; the lower ends of the two water storage tanks are fixedly connected with the upper end of the bottom plate; the end, away from the water cooler body, of the main water inlet pipe is fixedly connected with the upper end of one water storage tank; the end, away from the water cooler body, of the pipe wall of the main water inlet pipe is fixedly connected with an auxiliary water inlet pipe; the end, away from the main water inlet pipe, of the auxiliary water inletpipe is fixedly connected with the upper end of the other water storage tank; and piston plates are slidably connected into the two water storage tanks. According to the automatic water cooler circulating water control device provided by the invention, a refrigerating effect cannot be affected due to too high heat of returned water, high loss of a refrigerating system cannot be caused, the servicelife of the water cooler body is prolonged, meanwhile, a heat dissipation effect on the returned water is good, control automation is achieved, and convenience in use is realized.

The invention provides a long-acting refrigeration ice bag which comprises an outer bag and a mixture sealed in the outer bag, and the mixture comprises the following components in parts by weight: 1-2 parts of CMC, 0.5-1 part of guar gum and 95-98 parts of deionized purified water. The preparation method has the beneficial effects that the production efficiency is improved, the reaction time is shortened to 20-30 minutes from the original 50-80 minutes, and the efficiency is improved by 61 percent; the loss of a manual operation link is reduced, the production rate is increased to 36-45 bagsper minute from 25-30 bags per minute, and the rate is increased by 50%.

The invention relates to the technical field of air conditioners, in particular to an air conditioner and an electronic expansion valve fault detection method thereof. The air conditioner comprises asecond indoor unit and at least one first indoor unit. The electronic expansion valve fault detection method of the air conditioner comprises the steps that under the condition that the first indoor units are in the refrigeration working condition, the second indoor unit is stopped; the first air pipe temperature of the first indoor units and the second air pipe temperature of the second indoor unit are obtained; and whether an electronic expansion valve of the second indoor unit breaks down or not is judged at least according to the first air pipe temperature and the second air pipe temperature. According to the electronic expansion valve fault detection method, self-detection of faults of the electronic expansion valves of the indoor units is achieved, and the problem that the refrigeration effect of the air conditioner is affected due to refrigerant leakage caused by the faults of the corresponding electronic expansion valves when the indoor units are in a shutdown state is solved.

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 relates to the technical field of breeding of bees, and discloses a bee breeding cave. The cave includes a cave body; the front end of the cave body is provided with a cave opening, a partition wall for sealing the cave opening is arranged at the cave opening, and an entrance is arranged in the partition wall; a hung ceiling is arranged on the top of the cave body, and an isolation layer is arranged between the hung ceiling and the top wall of the cave body; an air discharging pipe is arranged in the isolation layer, one end of the air discharging pipe is located in the isolationlayer, and the other end passes out to the outer side of the cave body; a breeding chamber is arranged between the hung ceiling and the bottom wall of the cave body, and the hung ceiling is providedwith air discharging openings communicating with the breeding chamber and the isolation layer; a water ditch is dug in the ground located under the bottom of the cave body, and the water ditch is connected with a water inlet pipe; and the bottom of the cave body is provided with an opening, the interior of a plurality of baffles are rotatably connected in the opening and arranged side by side along the direction of the water ditch, the upper ends of the baffles are located in the cave body, and the lower ends are located in the water ditch. The bee breeding cave of the technical scheme provided by the invention can solve the environmental protection problem caused by cooling of air conditioners and the problem of dried air in a current bee breeding room.

The invention provides a cartridge and an electronic cigarette capable of preventing excessively high temperature of a cigarette holder, and relates to the technical field of smoking sets. The cartridge comprises a tar cabin, a cooling system and the cigarette holder, wherein a smoking hole is formed in the cigarette holder, the cooling system comprises a refrigeration device, a cold guide structure and a heat dissipation structure, the refrigeration device comprises a cold end generating cold energy and a heat end generating heat energy, the cold guide structure is used for conducting the cold energy generated by the cold end of the refrigeration device to the tar cabin, the heat dissipation structure is used for cooling the heat end of the refrigeration device, the cold guide structure is positioned on one side, facing the smoking hole, of the refrigeration device, and the heat dissipation structure is positioned on one side, opposite to the smoking hole, of the refrigeration device.The electronic cigarette capable of preventing excessively high temperature of the cigarette holder comprises the cartridge and a power supply device electrically connected with the cartridge. With the electronic cigarette provided by the invention, the technical problem that cooling can not be rapidly and effectively carried out on the cartridge, so that the heat of the cartridge is conducted tothe cigarette holder, consequently, the temperature of the cigarette holder is excessively high is solved.

The invention discloses a refrigeration packaging structure of an electro-absorption modulated laser, relates to the technical field of chip packaging, and mainly aims to ensure that the impedance of a signal wire and a ground wire of an electro-absorption modulated laser is 48-52 ohms and prevent the refrigeration effect of a semiconductor refrigerator from being influenced by heat conduction of a gold wire. The packaging structure comprises: a base; a semiconductor cooler arranged on the base; an L-shaped tungsten copper block, wherein the horizontal end of the L-shaped tungsten copper block is arranged on the semiconductor cooler; a carrier plate, wherein the carrier plate is arranged at the vertical end, the first routing end of a first signal pin of the carrier plate is horizontally opposite to the routing end of a second signal pin of the carrier plate through two gold threads, the first ground pin is horizontally opposite to the third ground pin through two gold threads, and the second ground pin is horizontally opposite to the fourth ground pin through two gold threads; an electro-absorption modulated laser chip, wherein the electro-absorption modulated laser chip is arranged on the carrier plate, one end of the electro-absorption modulated laser chip is connected with the first signal pin, and the other end of the electro-absorption modulated laser chip is connected with the third pin; a thermistor arranged at the vertical end; a backlight monitoring detector chip arranged at the horizontal end; and a lens cap packaged on the base.

The invention provides an intelligent ash deposition maintenance control method and system for a condenser, a refrigerator and a terminal. The intelligent ash deposition maintenance control method for a condenser of a refrigerator comprises the following steps: after detecting that a compressor is started up, detecting the pressure difference delta p at an air supply opening and an air discharge opening of the condenser every preset time, and detecting the ambient temperature tw of a place where the refrigerator works; determining the ash deposition amount gamma n of the condenser according to the pressure difference delta p and the ambient temperature tw; and sending the ash deposition amount gamma n to a terminal. According to the intelligent ash deposition maintenance control method for the condenser of the refrigerator, the purpose that the terminal judges whether ash deposition of the condenser is cleaned according to the ash deposition amount gamma n is achieved, so that maintenance personnel can clean ash deposition of the condenser, accordingly, the heat exchange efficiency of the condenser is improved, meanwhile, the energy consumption of the refrigerator cannot be increased, and the use satisfaction of a user to the refrigerator is improved. Furthermore, the phenomenon that corrosion of the condenser is quickened by too much ash deposition of the condenser is avoided, the service life of the condenser is prolonged, and further, the use satisfaction of the user to the refrigerator is improved.

The invention provides a condensation prevention method and device for refrigeration equipment. The condensation prevention method comprises the steps: detecting the humidity of the external environment of the refrigeration equipment; judging whether the humidity is less than the preset humidity threshold value or not; if yes, setting the turn-on temperature of a storage room as first turn-on temperature, setting the turn-off temperature of the storage room as first turn-off temperature, and setting the speed of a compressor as first speed; if not, setting the turn-on temperature of the storage room as second turn-on temperature, setting the turn-off temperature of the storage room as second turn-off temperature, and setting the speed of the compressor as second speed. Thus, the refrigeration cycle of a refrigeration system is constant, the operating time of the compressor is prolonged, and the stop time of the compressor is shortened. The condensation prevention method can avoid long-time condensation, thereby overcoming the defects that the paint film of a box body is shed largely, the corrosion of the box body is accelerated, the service life of the refrigeration equipment is shortened, and the refrigeration effect of the refrigeration equipment is influenced.

The invention belongs to the technical field of control devices, and especially relates to an intelligent street lamp control device. The intelligent street lamp control device comprises a base, a cabinet body is arranged at the upper end of the base, an empty groove is formed in the inner wall of the cabinet body, a damp-proof layer is arranged in the empty groove, a shell is arranged on the front surface wall of the cabinet body, a clamping block is arranged on the inner surface wall of the shell, and a clamping groove is formed outside the clamping block and located in the cabinet body. Byadditionally arranging the damp-proof layer, the damp-proof effect can be effectively achieved, moisture in air is prevented from entering the cabinet body, and meanwhile the problem that the first controller breaks down and cannot be used due to the fact that too heavy humid air enters the cabinet body in rainy days and moisture in the cabinet body is too heavy is solved.

A refrigerator (100), comprising: a refrigerator body (10), a storage space and a compressor cabin (11) being defined therein, the compressor cabin (11) being provided on the rear side of the bottom of the refrigerator body (10), the front side of the compressor cabin (11) being an air duct, and an air inlet (111) being formed in the compressor cabin (11) to be communicated with the air duct; door bodies (21, 22), pivotally provided on the front surface of the refrigerator body (10) so as to allow a user to open or close the storage space; a refrigerating system, configured to provide cooling capacity to the storage space; and an ash deposition disc (40), detachably provided on the air duct, communicated with the air inlet (111) of the compressor cabin (11), and configured to intercept dust in the air entering the air duct so as to enable clean air to enter the compressor cabin (11), thereby resolving the problem of ash deposition of the refrigerating system in the compressor cabin (11). The ash deposition disc (40) is detachably provided on the air duct, so that the user can conveniently draw out and clean the ash deposition disc regularly, and the use convenience of the user is improved.

The invention belongs to the field of windows and doors of fixed constructions, and particularly discloses a novel fire-proofing escape door with a cooling effect. The novel fire-proofing escape door comprises a door frame and a door body, which are made of fire-proofing core plates, wherein a door handle is respectively arranged on indoor side and outdoor side of the door body; a fire-extinguishing and cooling device is arranged on one side of each door handle, and comprises a cylinder body; a separator is arranged in each cylinder body, one end of each separator is hinged in the respective cylinder body, the other end of each separator is adhered with glue, and each separator is adhered to the inner wall of the respective cylinder body through the first glue; each cylinder body is separated into a first chamber and a second chamber by virtue of the respective separator, each first chamber is filled with aluminum sulfate, and each second chamber is filled with sodium bicarbonate; a nozzle is formed in the side wall of the top of each cylinder body, and is filled with second glue for sealing; the melting point of the second glue is higher than that of the first glue; and the nozzle is just aligned to each door handle. By adopting the scheme, the temperature of the door handles can be reduced when a fire disaster happens, so that the escape rate of people can be improved.

The invention discloses an anti-freezing device with an automatic extrusion-drainage function for an air conditioning refrigeration board. The anti-freezing device with the automatic extrusion-drainage function for the air conditioning refrigeration board structurally comprises the air conditioning refrigeration board, the anti-freezing device and a flow guiding pipe, wherein the air conditioningrefrigeration board is arranged in the rear of the upper end surface of the anti-freezing device; and one end of the flow guiding pipe is arranged on the inner surface of the anti-freezing device. According to the anti-freezing device with the automatic extrusion-drainage function for the air conditioning refrigeration board provided by the invention, through the mutual combination of the parts, the device can regularly stretch absorbent cotton during the working process so as to clean water drops attached onto the surface of the air conditioning refrigeration board, so that the occurrence ofthe phenomenon that the water drops are influenced by cold air so as to be coagulated into ice frost and influence a refrigeration effect of an air conditioner during the refrigeration process of theair conditioning refrigeration board is avoided; and meanwhile, after the absorbent cotton absorbs water, the absorbent cotton can be automatically extruded through a drainage extrusion plate during the rotation process, so that water drops adsorbed in the absorbent cotton are drained, the inconvenience in manual operation is avoided, a water absorption effect of the absorbent cotton is effectively improved, and the practicability is high.

A photovoltaic transformer linkage heat dissipation system disclosed by the present invention comprises a cooling pool, a plurality of groups of water circulation assemblies are arranged around the outer side of the cooling pool, and the water circulation assemblies are connected through communication assemblies, so that the plurality of water circulation assemblies are connected in series to form a closed loop; the water outlet pipe in the first water circulation assembly in the plurality of water circulation assemblies connected in series is communicated with the water inlet pipe in the last water circulation assembly through another first water passing pipe, so that a closed loop is formed among the plurality of water circulation assemblies, and cooling liquid circularly flows in the plurality of first water passing pipes and pipelines of the plurality of groups of water circulation assemblies; the cooling pool is internally provided with pool water, the pipe body of each first water passing pipe extends into the pool water of the cooling pool, and the cooling pool is internally provided with a cooling assembly for cooling the pool water, so that synchronous heat dissipation of a plurality of transformer box bodies can be realized; and the phenomenon that electronic components of the transformer are damaged due to temperature accumulation of the central transformer box body is avoided.

The invention discloses a refrigerator control method and the refrigerator. The control method includes: starting a cooling fan after the evaporator completes defrosting; turning off the cooling fan after the cooling fan runs for a first preset time; controlling The compressor and the refrigerating fan are turned on successively to perform refrigerating work. In the technical solution of the present invention, after the defrosting is completed, the cooling fan is first turned on to shake off the water droplets on the cooling fan, so as to prevent the water droplets from freezing on the cooling fan, thereby avoiding the power consumption and noise of the system caused by freezing on the cooling fan When the compressor is turned on to cool the evaporator, the cooling fan is turned off, so as to avoid the hot air in the chamber being blown into the freezer and cold room of the refrigerator by the fan when the compressor starts to cool, which will affect the performance of the refrigerator. Cooling effect.

The invention discloses a transformer and belongs to the technical field of transformers. A transformer, comprising an installation box, further comprising: an electrical assembly detachably connected to the installation box, wherein the electrical assembly includes a casing, and a heat sink is arranged in the casing, and a heat sink is fixedly connected to the heat sink. Windings, the top of the housing is provided with terminals, the terminals are electrically connected to the windings; the shunt box fixedly connected to the inner wall of the housing is used to spray dry powder to the windings; the shunt box arranged in the installation box Ring; the connecting block arranged in the installation box; the present invention automatically uses dry powder to extinguish the fire of the electrical components when they spontaneously ignite, preventing the electrical components from continuing to burn and causing a fire, and by collecting rainwater, the rainwater is used to reduce the temperature inside the installation box , so as to reduce the possibility of spontaneous combustion of electrical components, and the water in the water chamber can absorb the vibration waves generated by the electrical components, thereby reducing noise.