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

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 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 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 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 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.

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.