111results about How to "Normal cooling" patented technology

The invention provides a judgment method of a connecting relation between signal control lines of indoor and outdoor units and connecting pipes, a judgment device of the connecting relation between the signal control lines of the indoor and outdoor units and the connecting pipes and a multi-split air conditioner. The method comprises the steps: detecting the real-time temperature of an evaporator of any indoor unit after a refrigeration signal is sent to any indoor unit of a plurality of indoor units of the multi-split air conditioner; judging whether the real-time temperature of the evaporator of any indoor unit changes, when the real-time temperature of the evaporator of any indoor unit changes, the connecting relation between the signal control line between an outdoor unit and any indoor unit of the multi-split air conditioner and one connecting pipe is matched, and if the real-time temperature of the evaporator of any indoor unit does not change, the connecting relation between the signal control line between the outdoor unit and any indoor unit and the connecting pipe is not matched. Through the judgment method, the judgment device and the multi-split air conditioner of the technical scheme of the invention, in the condition that the outdoor unit and the indoor units are not removed, the control logic of output signals of the signal control lines is directly changed, so that the signal control lines and the connecting pipes are matched, so as to correctly control the indoor units.

The invention discloses a double-sided backlight source and a double-sided display device and relates to the technical field of display. Under the condition that the double-sided display device dissipates heat normally, energy consumption and noises are not increased and the whole machine is relatively light. The double-sided backlight source can provide double-sided backlight for the double-sided display device, and comprises an outer frame and a backlight module arranged in the outer frame, wherein the backlight module comprises a light emitting source; and vent holes are formed in the parts, corresponding to the light emitting source, of upper and lower edge frames of the outer frame, so that a heat dissipation channel for forming natural air convection is formed in the outer frame. The double-sided backlight source is used for realizing heat dissipation of the double-sided display device.

The invention relates to the field of radio frequency repeater devices, in particular to a protective shell of a radio frequency repeater device with a heat dissipation assembly, which comprises a base, a shell, a heat dissipation structure, an ash removal structure, a moving structure, a limiting structure, a protective structure and a fixed structure, through arrangement of the heat dissipationstructure, heat dissipation work can be fully carried out on electrical elements in the shell, electrical elements in the shell can be prevented from being damaged due to over-high temperature, whilethe heat dissipation structure works, the ash removal structure can be synchronously driven to work, the ash removal structure works, dust cleaning work can be carried out on the heat dissipation structure, the heat dissipation structure is prevented from being blocked by dust, through the arrangement of the moving structure, the moving assembly can be conveniently stretched out and stored, the moving structure can react to the fixing structure while working, through the arrangement of the fixing structure, the base and the ground can be stably fixed, and therefore the situation that the device slides in the working process can be avoided.

The invention belongs to the technical field of switch cabinets, in particular to a switch cabinet with an automatic fire extinguishing function. In view of the fact that the existing switch cabinet has no automatic fire extinguishing function, the following scheme is put forward: the switch cabinet with the automatic fire extinguishing function comprises a cabinet body; a fire extinguisher is installed on the outer wall of the top of the cabinet body; the output end of the fire extinguisher is provided with an air outlet pipe; the inner wall of the air outlet pipe is provided with a solenoidvalve; an air injection pipe is mounted on the outer wall of the bottom part of the air outlet pipe; air nozzles equidistantly distributed are arranged on the outer wall of the bottom part of the airinjection pipe; a smoke sensor is mounted on the outer wall of one side of the top of the cabinet body; and a processor is mounted at the inner wall of the other side of the top of the cabinet body. Through arranging an alarm, the fire extinguisher, the smoke sensor, the air injection pipe, the air nozzles and the solenoid valve, when the inner part of the cabinet body is on fire and smoke is generated, the smoke sensor receives the signal and transmits the signal to the processor, a fire extinguishing material in the fire extinguisher is sprayed through the air nozzles below the air injectionpipe, and the fire on electrical appliances inside the cabinet body is extinguished.

The invention discloses an air conditioning outdoor unit and an air conditioner with the air conditioning outdoor unit. The air conditioning outdoor unit comprises an outdoor unit body and an air inlet device, wherein the air inlet device comprises a plurality of wind shielding blades, a linkage device and a driving device, and an outdoor unit air inlet is formed in the outdoor unit body; the air inlet device is arranged at the outdoor unit air inlet, the air inlet device comprises the linkage device which is connected with the plurality of wind shielding blades, and the driving device is used for driving the plurality of wind shielding blades to synchronously act by virtue of the linkage device, so that the air inlet area, which is covered by the plurality of wind shielding blades, of the outdoor unit air inlet is changed. According to the air conditioning outdoor unit, an air conditioning system can normally refrigerate at low temperature, and the refrigerating and heating effects at normal temperature cannot be influenced.

The present invention provides a boiling water reactor nuclear power plant in which a reactor core support plate, upper grid plate, and a reactor core consisting of fuel assemblies supported by these plates are provided in the inner base portion of a nuclear reactor pressure vessel. Control rod guide tubes and a reactor core shroud are positioned over the upper grid plate, and a control rod drive mechanism is provided further above same, whereby the control rods can be inserted from above the reactor core, and natural circulation of cooling water inside the reactor can be achieved by means of a chimney effect of the control rod guide tubes. According to the above structure, there can be provided a compact and economical nuclear power plant.

The invention discloses an unloading valve component for an air conditioner and the air conditioner, relates to the technical field of air conditionings and is invented aiming at solving the problem that the traditional unloading valve cannot carry out pressure protection on a refrigerating system when the pressure value exceeds the maximum bearing value of the refrigerating system. The unloading valve component for the air conditioner is used for carrying out pressure protection on a refrigerant circulating system of the air conditioner and comprises an unloading valve and an overpressure protection component; the unloading valve is connected in the refrigerant circulating system, and pressure release is carried out on a refrigerant in the refrigerant circulating system by the unloading valve when the pressure of the refrigerant in the refrigerant circulating system is larger than a first preset pressure; the overpressure protection component is composed of a pressure control switch and a pressure sensor; and the pressure sensor can detect the pressure of the refrigerant at the outlet of the unloading valve and transfers a detected refrigerant pressure value to the pressure control switch, and the pressure control switch controls the refrigerant circulating system to stop working when the pressure of the refrigerant at the outlet of the unloading valve is larger than a second preset value. The unloading valve component can be used for the air conditioner.

The invention discloses a case. The case comprises a first containing area and a second containing area which are arranged side by side. A partition plate is arranged in the case and divides the first containing area into a first chamber and a second chamber, the first chamber and the second chamber are communicated with the second containing area, and a ventilation opening is formed between the first chamber and the second chamber and is close to the second containing area. The case further comprises a first backflow prevention piece and a second backflow prevention piece. The ventilation opening is located between the first backflow prevention piece and the second containing area as well as between the second backflow prevention piece and the second containing area. The first backflow prevention piece and the second backflow prevention piece can rotate relative to the partition plate so as to open or close a channel of the first chamber and a channel of the second chamber. In addition, the invention provides a storage device. By means of the case, normal heat dissipation of the storage device can be guaranteed, and therefore normal operation of the storage device can be guaranteed.

The invention discloses a waterproof heat dissipation device for a set top box, and relates to the technical field of set top box protection. The waterproof heat dissipation device comprises a protective shell, the top of the protective shell is provided with a shell cover, the top of the shell cover is fixedly connected with symmetrically distributed top rods, the top of each top rod is fixedly connected with a baffle plate, the inner side of the shell cover is fixedly connected with a positive plate, the inner side of the shell cover is fixedly connected with a negative plate, the inner side of the shell cover is provided with water guide cavity channels which are symmetrically distributed left and right, and the inner side of the protective shell is slidably connected with a placement plate. According to the device, through cooperation of the positive plate, the negative plate, a magnetic block, a plug and the like, when water is splashed to the top of the protective shell, the water is collected to the top of the shell cover, the positive plate and the negative plate are communicated, the magnetic block can be electrified to generate magnetism to be adsorbed, a sliding block drives a mounting plate and the plug to move, the plug blocks ventilation holes, and water is prevented from entering the inner side of the protective shell from the ventilation holes to damage the set top box.

The invention discloses a cooling system of a cold plate type server and a control method. The cooling system comprises a compressor refrigeration cycle, a fluorine pump refrigeration cycle and an emergency refrigeration cycle, wherein the compressor refrigeration cycle, the fluorine pump refrigeration cycle and the emergency refrigeration cycle are communicated with one another, and one refrigeration mode in the three refrigeration cycle modes is selected and used according to the external temperature. According to the invention, the cold storage spray cooling and intermediate cooling technology is adopted, so that the heat dissipation effect of the cold plate type server is greatly improved, and the purposes of saving energy and reducing consumption are achieved; the compressor refrigeration cycle and the fluorine pump refrigeration cycle are independently used at different temperatures, so that the maximum heat dissipation purpose can be achieved with the minimum energy consumption, and the purposes of saving energy and reducing consumption are achieved; and by arranging the emergency refrigeration cycle, when the compressor breaks down, heat dissipation can be continuously conducted on the cold plate type server, so that normal operation of the server is guaranteed, and the reliability of the device is greatly improved.

The invention discloses a low-voltage preassembled transformer substation, and particularly relates to the technical field of transformer substations, the low-voltage preassembled transformer substation comprises a transformer substation, the left and right side surfaces of the transformer substation are provided with heat dissipation windows, and one end of each heat dissipation window is fixedly connected with the outer wall of the transformer substation. When the rainfall is large, the weight of the water containing box body is increased after much rainwater is accumulated, the lining baffle is pulled to ascend, then the heat dissipation window can be automatically closed, meanwhile, the lower portion of the water containing box body can synchronously drive the fan to rotate to generate certain wind power, and an air barrier is formed on the outer side of the heat dissipation window to conduct multi-stage rainproof protection on the transformer substation. Secondly, water accumulated in the water containing box body is circularly pumped through cooperation of a small water pump and a heat conduction pipe, heat dissipation can be conducted on the inner interlayer, the waterproof protection performance of the transformer substation can be improved in rainy days, normal heat dissipation of the transformer substation in the daily state is guaranteed, and the collected rainwater can be utilized to fully dissipate heat of the transformer substation, so that a good guarantee is provided for the transformer substation.

The invention belongs to the technical field of inverters, and particularly relates to a three-phase four-bridge-arm inverter with a water seepage prevention mechanism. The three-phase four-bridge-arminverter comprises a bearing mechanism, the bearing mechanism comprises an inverter body, an output end and an input end, the output end and the input end are arranged on the end surface of the inverter body, and a switch is arranged at one end of the inverter body. The two ends of the inverter body are respectively provided with a plurality of circulation holes which are linearly arranged at equal intervals. Second through holes in a switching plate and first through holes in a protective cover are staggered, the first through holes and the second through holes are not communicated, water flow cannot enter the inverter body, air flow circulates through a telescopic pipe, a connecting pipe and an adapter pipe in a fixed pipe under the action of a fan in the inverter body, and normal heatdissipation is guaranteed. When the water level makes contact with a floating plate, the floating plate rises synchronously along with rising of the liquid level, the connecting pipe on the floating plate drives the telescopic pipe to extend upwards, water flow cannot enter the inverter body, normal distribution heat dissipation of the air flow is guaranteed, and the water seepage prevention effect is good.

The invention discloses a battery pack with a stable structure. The battery pack comprises a battery shell, a first heat dissipation partition plate, a first battery module, a fixed frame, a second battery module and a second heat dissipation partition plate. The battery pack is characterized in that the first heat dissipation partition plate, the first battery module, the fixed frame, the secondbattery module and the second heat dissipation partition plate are sequentially installed in the battery shell from top to bottom; the shell comprises a shell cover and a bottom shell; the shell coveris matched with the bottom shell; an air inlet is formed in the side wall of one end of the bottom shell; and an air outlet is formed in the side wall of the other corresponding end of the bottom shell. The battery pack provided by the invention is simple in structural design and high in compactness; and buffer springs on the first heat dissipation partition plate and the second heat dissipationpartition plate can guarantee that devices in the battery pack are not loosened inside due to external jolting and shaking, and meanwhile, the internal stability and normal heat dissipation of the battery pack can be ensured with accommodation in the battery pack not affected.

The invention discloses a multi-parameter water quality online monitoring integrated system and a monitoring method thereof, and belongs to the technical field of water quality online monitoring. According to the multi-parameter water quality online monitoring integrated system and the monitoring method thereof, the multi-parameter water quality online monitoring integrated system comprises an outdoor unit, and an outdoor unit air-conditioner is installed outside the outdoor unit so as to keep the constant-temperature and constant-humidity environment inside the outdoor unit; the outdoor unitsequentially comprises a chemical reaction box, a reagent box and an electrode box from top to bottom, and a multi-way valve integration module is arranged in the chemical reaction box and is communicated with a pump valve integration module through a reagent quantifying ring, so that the detection efficiency and precision are improved; the multi-way valve integration module respectively forms integrated flow path channels, the channels are respectively introduced into various detection reagents in the reagent box, and various parameters in online monitoring water quality are measured througha chemical colorimetric method, so that the integration degree is higher, and intelligent automatic measurement can be realized.

The invention discloses a diesel engine seawater pump which comprises a pump body with a water inlet cavity and a water outlet cavity, and a bypass valve is arranged between the water inlet cavity and the water outlet cavity. A water inlet of the bypass valve is communicated with the water outlet cavity, and a water outlet of the bypass valve is communicated with the water inlet cavity. The bypass valve comprises a valve body, a valve core and a spring, wherein the valve core and the spring are arranged in a cavity of the valve body, the water inlet is located at one end of the valve body, the water outlet is located on the side wall of the valve body, and the valve core shuts off the water inlet of the valve body under the support of the spring. The seawater pump can always supply sufficient cooling water when a diesel engine operates at various rotating speeds, so as to maintain normal water pressure and ensure the normal cooling of the diesel engine. The invention also discloses a diesel engine with the seawater pump.

The invention discloses image communication equipment for an unmanned aerial vehicle, which belongs to the technical field of image communication, and is characterized by comprising an unmanned aerialvehicle body, a central processing terminal, a remote control module and a wireless communication module, and the output end of the central processing terminal is electrically connected with the input end of the remote control module; and the output end of the remote control module is electrically connected with the input end of the unmanned aerial vehicle body, and the central processing terminal is bidirectionally and electrically connected with the wireless communication module. Through the arrangement of the cleaning wheel, when a worker observes that impurities shield the surface of theprotective glass, the cleaning wheel can be driven to effectively clean impurities on the surface of protective glass only by opening the multi-section type electric push rod, and compared with the mode that an unmanned aerial vehicle is adjusted back and then cleaned, the workload of workers can be reduced, normal work of the image collector can not be affected, then the effect of image collection work can be improved, and good improvement significance is realized.

The invention discloses hot fluid pipeline full-ceramic electric heating body heating control device. The device comprises a shell, the top of the shell is horizontally and fixedly connected with a pair of mounting rods through fixing parts, and heat dissipation openings are formed at the ends, away from each other, close to the two mounting rods correspondingly; and the top of the shell is provided with a driving part used for driving the two mounting rods to rotate, the ends, close to the heat dissipation openings, of the mounting rods rods are fixedly sleeved with heat dissipation blades, the top of the shell is fixedly connected with a temperature control switch, and the temperature control switch comprises an installation shell. According to the device, low-temperature evaporation liquid in an air bag is gasified through heat generated when an electric appliance element works, so that the air bag expands to push a copper rod to ascend, a power source, the temperature control switch and a motor form a complete current loop, the motor drives the two heat dissipation blades to rotate, exchange of air in the shell and external air is accelerated, therefore, high-temperature gas in the shell is discharged, and electronic elements in the shell are protected.

The invention discloses a cooling and noise reduction type dry-type transformer comprising a shell, a plurality of air outlet holes are formed in the side wall of the shell, a strip-shaped cavity is formed in the side wall of the shell, the strip-shaped cavity penetrates through the air outlet holes, a sliding plate is connected to the inner wall of the strip-shaped cavity in a sealed and sliding mode, and a plurality of through holes matched with the air outlet holes are formed in the side wall of the sliding plate. The lower end of the sliding plate is elastically connected with the inner bottom of the strip-shaped cavity through a spring, a cavity is formed in the upper end of the shell, a tuning fork is fixedly connected to the inner wall of the cavity, the side wall of the tuning fork is fixedly sleeved with a plurality of permanent magnet blocks, and a spiral coil is embedded in the inner wall of the cavity. The tuning fork resonates due to noise generated by the dry-type transformer, the tuning fork drives the permanent magnet block to move, the spiral coil moves relative to the permanent magnet block and cuts the magnetic induction line, the induced current is generated on the spiral coil, sound energy in the noise is effectively converted into electric energy, and propagation of the noise is reduced.

The invention belongs to the field of sensors, particularly relates to a multifunctional gas integrated sensor, and aims at solving the problems that an existing gas integrated sensor is poor in heatdissipation performance, external dust easily enters the sensor in the heat dissipation process, and the service life of the gas integrated sensor is seriously affected. Themultifunctional gas integrated sensor in the following scheme comprises a sensor main body, a base is fixedly connected to the bottom of the sensor body, side boxes are fixedly connected to the two sides of the sensor body, a sealing plate is slidably and hermetically mounted in each side box, an upper plate is fixedly connected to the top of each sealing plate, first air holes are formed in the sides, away from each other,of the two side boxes, and first one-way valves are fixedly connected into the first air holes. And a first dustproof plate is fixedly connected in the first air hole. The sensor main body is good inheat dissipation effect, dustproof processing is well carried out in the heat dissipation process, and the indicator lamp can flicker intermittently during heat dissipation to remind that heat dissipation is carried out normally.

The invention discloses an air conditioner operation method, a heat exchanger, a unit heat dissipation structure of the heat exchanger, and an air conditioning unit. Acccording to the unit heat dissipation structure of the heat exchanger, the unit comprises draught fans, and the heat dissipation structure comprises ventilation devices which are arranged on the side, opposite to the draught fans, of the heat exchanger and can be switched on and off, a temperature sensing device for detecting the temperature of the draught fans and a controller. Each ventilation device comprises a ventilation opening and a switch valve, when the frosting condition of the heat exchanger reaches a first preset condition, the ventilation devices are started to form convection with the draught fans of the heat exchanger, the temperature of the draught fans is prevented from continuously rising, heating of an air conditioner is guaranteed, and when the frosting condition of the heat exchanger reaches a second preset condition, the ventilation devices are turned off. Compared with the prior art, when a frost layer on the surface of the heat exchanger reaches a certain thickness, a motor can normally dissipate heat, shutdown protection is avoided, and therefore sustainable heat supply of the unit is guaranteed.