23results about How to "Improve defrosting efficiency" patented technology

The utility model provides a low-temperature refrigeration evaporation coil device with a uniform defrosting function, which relates to the technical field of refrigeration equipment and comprises a device shell, a coil main body is fixedly inserted into the inner surface wall of the device shell, a group of fins are fixedly sleeved on the outer surface wall of the coil main body, and a partition plate is fixedly connected to the inner surface wall of the device shell. Two groups of mounting holes are formed in the top of the partition plate, a first circulating fan is fixedly inserted into the inner surface wall of one group of the two groups of mounting holes, and a second circulating fan is fixedly inserted into the inner surface wall of the other group of the two groups of mounting holes. According to the low-temperature refrigeration evaporation coil device, uniform defrosting of the low-temperature refrigeration evaporation coil device is achieved under the interaction of all the components of the device, frost on the surface of the coil is completely melted, and therefore the influence of local frosting on heat exchange efficiency is eliminated, refrigeration efficiency is remarkably improved, energy consumption is effectively reduced, and energy is saved. And the equipment failure risk caused by uneven defrosting is reduced.

The invention discloses a control method of an air conditioner, the air conditioner and a storage medium, and relates to the technical field of air conditioners, the control method of the air conditioner is applied to the air conditioner, and the air conditioner comprises an oil pool heating module used for heating an oil pool of a compressor and a heat exchanger heating module used for heating an outdoor heat exchanger. The control method of the air conditioner comprises the steps that the temperature of an outlet coil of an outdoor heat exchanger before the air conditioner is switched to a defrosting mode is obtained, and the outdoor environment temperature is obtained in real time; after the air conditioner is switched to run in the defrosting mode, when the outdoor environment temperature is smaller than the preset environment temperature, a thermal response coefficient is determined according to the outdoor environment temperature and the outlet coil pipe temperature; and a heating scheme is determined according to the thermal response coefficient, and the on-off state of the oil pool heating module and / or the heat exchanger heating module is adjusted according to the heating scheme. The auxiliary heating module is used for conducting auxiliary heating treatment on the air conditioner in the defrosting mode, oil blockage is avoided, and the defrosting efficiency is improved.

The air cooler with the defrosting mechanism comprises a machine cabinet and further comprises a water pan installed at the bottom of the machine cabinet, and the water pan is provided with a water receiving groove and a water outlet communicated with the water receiving groove; the defrosting assembly comprises a first coil pipe and a second coil pipe, the inlet end of the first coil pipe and the inlet end of the second coil pipe are connected with a heating medium inlet pipe, and the outlet end of the first coil pipe and the outlet end of the second coil pipe are connected with a heating medium outlet pipe; wherein the second coil pipe is arranged on the periphery of the first coil pipe, the second coil pipe is higher than the first coil pipe in the vertical direction, and the first coil pipe is installed on the water receiving tank. The defrosting range in the water pan is expanded by staggering the second coil pipe relative to the first coil pipe in the vertical direction and the transverse direction, and the defrosting efficiency is improved.

The application discloses a cold air machine air inlet water blocking structure and a cold air machine. The cold air machine air inlet water blocking structure comprises side plates arranged on both sides of an air inlet of a cabinet body, at least one water blocking plate connected between the two side plates, a heating pipe installed on an end surface of the water blocking plate away from the air inlet, and at least one closing plate connected between the two side plates. The closing plate is arranged on the side of the water blocking plate away from the air inlet, and a heating cavity for accommodating the heating pipe is formed between the closing plate and the water blocking plate. When defrosting operation is performed, the heating pipe can effectively defrost frost layers condensed on the surface of the water blocking plate, and the defrosting efficiency is improved.

The application discloses an intelligent cold storage energy-saving device and belongs to the technical field of refrigeration equipment. The device comprises a cold storage, an evaporator and a plurality of shelves. The cold storage is provided with a cold storage door. The cold storage is fixedly connected with a partition plate. The cold storage is divided into a freezing cavity and a matching cavity through the partition plate. Each shelf is provided with an article detection sensor. The matching cavity is fixedly connected with an electric push rod. The output end of the electric push rod is fixedly connected with a connecting plate. The article detection sensor is electrically connected with the electric push rod. The cold storage is provided with a self-adaptive mechanism for determining the area of a freezing area according to whether there are frozen products on the shelves. Through cooperation of the overall structure, the area of the freezing area is determined according to whether there are frozen products on the shelves. Then, the power of the evaporator is adaptively adjusted according to the area of the freezing area, so that energy saving and environmental protection are achieved, and the freezing quality of the frozen products is ensured.

This invention relates to the field of multi-split air conditioning system technology, specifically to a disturbance control method for the outer loop electronic expansion valve of an air conditioning system. The problem this invention addresses is how to actively eliminate oil and refrigerant blockage and reduce exhaust temperature during defrosting or oil return processes through forced disturbance control of the outer loop electronic expansion valve. To solve this problem, this invention provides a control method comprising: acquiring the operating status parameters of the air conditioning system; determining whether the air conditioning system has triggered a disturbance program based on the status parameters; correcting the reference setting based on the exhaust temperature, compressor return superheat, and oil separator return oil temperature during the execution of the disturbance mode; determining whether to exit the disturbance program based on the exhaust temperature and the execution duration of the disturbance program during defrosting and oil return modes; and automatically exiting the disturbance program when the air conditioning system exits the defrosting or oil return mode.

The invention discloses a microcapsule intelligent response type super-hydrophobic anti-frosting coating as well as a preparation method and application thereof. According to the preparation method, the anti-freezing agent is encapsulated in the microcapsule with specific responsiveness and is dispersed in the super-hydrophobic coating system, so that the defects that the anti-freezing agent is easy to lose and low in utilization rate are overcome. When the surface of a coating prepared from the coating is frosted to generate mechanical stress or the environment temperature reaches a specific threshold value, the microcapsules are broken, and the antifreeze agent is released at the root of ice crystals at a fixed point, so that on-demand supply is realized, and the effective frost prevention service life of the coating is greatly prolonged. The microcapsule intelligent response type super-hydrophobic anti-frosting coating has wide application prospects in air conditioner heat exchanger fins, refrigerator evaporators, wind driven generator blades, aircraft wings, unmanned aerial vehicle propellers, solar photovoltaic panels, outdoor sensor shells or electric power insulators.

This utility model provides a uniform defrosting structure for a defrosting heating element in a frost-free refrigerator, relating to the field of defrosting equipment technology. It includes a heating box, a connecting frame, an air diffuser, a heating element, a heat exchanger, a fan motor, and a main frame. The main frame has circular mounting holes on both sides, and each heating element has a set of circular heads on both sides, which are mounted on the sides of the main frame. The heat exchanger has a series of through-holes inside, and one side of the heating element is mounted on one side of these holes. The connecting frame has two sets of threaded circular holes on one side, and each side of the heating box has a set of connecting plates with a set of circular holes. The connecting plates on both sides of the heating box are fastened to one side of the connecting frame with screws. The mounting of the heating element to the main frame and the grouped electrical connections of the heat exchanger allow for partial replacement, reducing maintenance costs. The fan motor accelerates hot air diffusion, expanding the range and improving efficiency. The connecting frame optimizes the path, reducing blind spots and ensuring uniform defrosting.

The utility model discloses a heat pump system, which is characterized in that a heat storage device is added, is connected with a second outdoor pipeline of an outdoor heat exchanger through a second circulating device, can exchange energy with the outdoor heat exchanger and store heat released by the outdoor heat exchanger, and is connected with a first water tank through a third circulating device; the heat storage device can exchange heat with the first water tank, and therefore heat recycling of the outdoor heat exchanger is achieved through the heat storage device.

The utility model discloses a defrosting device of an air filter, and relates to the technical field of air filters. The device comprises two reinforcing rings, a filter screen component, a copper gauze component, a heating pipe and a protective cover, the reinforcing rings are arranged on the upper end face and the lower end face of the defrosting device correspondingly. The filter screen assembly comprises a high-strength plastic framework filter screen on the inner layer and a scrapped air filter outer screen on the outer layer. The copper gauze element assembly comprises a 120-mesh copper gauze element and a thin stainless steel wire shaping frame embedded into the edge of the 120-mesh copper gauze element, the heating pipe is arranged in the circumferential direction of the middle of the defrosting device and filled with electric heating wires, and cooling fins are arranged on the outer surface of the heating pipe. According to the utility model, the 6-10 heating pipes are uniformly distributed along the circumference and are matched with the radiating fins on the outer surface, so that heat can be quickly and uniformly radiated, frost layers at all parts of the filter element can be synchronously melted, and the defrosting efficiency is effectively improved.

This application discloses a vehicle refrigeration unit and its refrigeration system, belonging to the related technical field of vehicle refrigeration units. It includes an installation frame with a housing and an inner housing detachably mounted on both sides. An air outlet assembly is located at the top of the inner housing, and the assembly includes a vertically structured mounting plate. External and internal air outlets are respectively located on the two sides of the vertically arranged mounting plate. The beneficial effects of this application are: the refrigerant from the condenser is directly split. During this splitting, one path is throttled and cooled by a throttling device before entering the economizer, while the other path, the un-throttled mainstream refrigerant, enters the economizer. The two refrigerants undergo sufficient heat exchange within the economizer. The throttled, low-temperature refrigerant can more effectively absorb heat from the mainstream refrigerant, thereby significantly increasing the subcooling of the mainstream refrigerant. This results in a lower dryness and higher liquid ratio of the refrigerant entering the evaporator, leading to a higher cooling capacity per unit mass of refrigerant.

The utility model discloses a defrosting unmanned aerial vehicle assembly, relates to the technical field of defrosting equipment, and is used for solving the technical problems of low defrosting efficiency, poor defrosting adaptive capacity and existence of a defrosting blind area in the prior art, and the defrosting unmanned aerial vehicle assembly comprises a defrosting unmanned aerial vehicle and a defrosting robot, the defrosting robot is hung at the bottom of the defrosting unmanned aerial vehicle through an automatic unlocking hook; the defrosting unmanned aerial vehicle comprises an unmanned aerial vehicle body, an unmanned aerial vehicle arm, an unmanned aerial vehicle high-pressure nozzle and an unmanned aerial vehicle camera are arranged on the unmanned aerial vehicle body, and the unmanned aerial vehicle body is provided with a battery, a controller, an electromagnetic valve assembly and a snow melting agent box; the defrosting robot comprises a robot body, a robot high-pressure spray head and a robot camera are arranged on the robot body, the robot body is connected with a plurality of mechanical legs, by adopting the scheme, the defrosting efficiency is high, the adaptive capacity is good, the defrosting blind area is reduced, and the defrosting efficiency is improved. The technical problems that at present, the defrosting efficiency is low, the defrosting adaptive capacity is poor, and a defrosting blind area exists are solved.

The invention relates to the technical field of air conditioners, and discloses a control method and device for an air conditioner and the air conditioner. The method comprises the steps that when it is determined that the air conditioner reaches a constant-heating defrosting starting condition, the air conditioner enters a constant-heating defrosting mode; the frequency of the compressor is gradually reduced to the set frequency from the initial frequency and then gradually increased to the initial frequency, and the rotating speed of the inner fan is gradually reduced to the minimum heating rotating speed from the first initial rotating speed; when it is detected that the inlet temperature of the evaporator is higher than a preset temperature threshold value, the frequency of a compressor is gradually reduced, and the rotating speed of an inner draught fan is gradually increased; and when it is determined that the air conditioner reaches the constant heating defrosting quit condition, the constant heating defrosting mode is quitted, the frequency of the compressor is recovered to the initial frequency, and the rotating speed of the inner fan is recovered to the first initial rotating speed. According to the method, the problem that the compressor is shut down during constant-temperature defrosting can be reduced, meanwhile, the defrosting time can be shortened, and the defrosting effect is improved.

The utility model discloses a steam defrosting type evaporator structure which is arranged in a refrigeration house and comprises a shell and a steam jet defrosting system arranged in the shell, a fan is arranged on the side wall of the shell, a fin heat exchange core body is arranged in the shell, the shell is further connected with a condensation water drainage pipe, and the condensation water drainage pipe is connected with an evaporator. The condensation drain pipe penetrates through the refrigeration house to be communicated with the outside; the steam jet defrosting system comprises an automatic water replenishing device, an instant steam generator, a steam pump, a steam conveying pipeline and a steam nozzle; the instant steam generator is respectively connected with the automatic water replenishing device and the steam pump, and the steam pump is communicated with the steam nozzle through a steam conveying pipeline; the steam nozzle is arranged at the top of the inner side of the shell, and the fin heat exchange core is located below the steam nozzle. The steam nozzle is arranged at the top, steam is jetted to the fin heat exchange core body on the lower portion, so that a frost layer is gradually melted from top to bottom, and the defrosting efficiency is improved.

The technical scheme of the present application discloses a kind of air-cooled heating integrated system, including power component separate sealed box and outdoor finned air heat exchanger assembly, the power component separate sealed box includes refrigerant condensing device, water system component and control system, the outdoor finned air heat exchanger assembly includes fin, air pipe, liquid pipe and bypass defrosting pipe;The control method of air-cooled heating integrated system includes the following steps: determining defrosting condition, defrosting operation control and determining defrosting exit condition, through the structure of outdoor finned air heat exchanger assembly and the connecting structure of power component separate sealed box, in combination with corresponding control method, defrosting of each fin is realized, the fin that does not defrosting operation continues to carry out heating operation, so that the whole unit can continuously carry out heating operation, the water temperature fluctuation of overall unit is small, and user experience is good.

The present application relates to the technical field of heat pump, especially to a double-source heat pump system for optimizing defrosting, comprising a water system and a fluorine system. The fluorine system comprises a compressor, an exhaust four-way valve, a suction four-way valve, a user-side heat exchanger, a fin heat exchanger, a water-source-side heat exchanger, a wind-side electromagnetic valve, a water-side electromagnetic valve, a wind-side expansion valve and a water-side expansion valve. The fourth port of the suction four-way valve is a closed port. Through switching of the exhaust four-way valve and the suction four-way valve, and switching of the wind-side electromagnetic valve and the water-side electromagnetic valve, the system can cut off the user-side heat exchanger and use the water-source-side heat exchanger as an evaporator in the defrosting mode, so as to avoid influence of defrosting on water temperature of the user side.

The present application relates to air conditioning equipment technical field, specifically to a kind of air-cooled self-adapting constant temperature and humidity air conditioning unit, including air duct component, drive component, defrosting component and heat insulation component;Air duct component is arranged two groups respectively in the front and back of evaporator;Drive component is connected with air duct component;Defrosting component is arranged above evaporator;Heat insulation component is connected with drive component;Through ultrasonic defrosting and reverse cycle defrosting combination, and evaporator is closed to form vertical air duct in defrosting process, frost layer and water vapor will be blown into water collecting tank by the wind of small fan and discharged, ensure that subsequent dehumidification time will not be extended and can be greatly shortened defrosting time, to reduce energy consumption, solve the dehumidification before low temperature and high humidity working condition need first defrosting, and defrosting will lead to humidity rebound to make dehumidification time extend, cause energy consumption to increase problem.

The utility model relates to a kind of air source heat pump systems of small temperature difference defrosting exempt from shutdown.The system is additionally provided with first bypass branch and second bypass branch on refrigerant main circulation loop.System keeps running when defrosting, adjusts first bypass branch, distributes the refrigerant exhaust proportion of direct flow to evaporator and continues heat release in condenser, and mixed refrigerant medium-temperature superheated gas is obtained, enters evaporator and carries out small temperature difference defrosting;Second bypass branch is adjusted simultaneously, and compressor back gas is controlled, to ensure stable operation.Compared with prior art, the utility model realizes defrosting without shutdown by double bypass collaborative control;Without reversing four-way valve, system switches smoothly between heating and defrosting mode, reduces pressure fluctuation;System charging amount distribution changes little, and heating capacity can be quickly restored after defrosting;The defrosting heat source used is medium-low temperature refrigerant, reduces heat loss to environment, and defrosting efficiency is higher.

This utility model belongs to the field of heat pump defrosting technology, specifically an air source heat pump defrosting device. The frame is externally fitted with an outer sealing plate, and a fixing beam is installed on the surface of the support plate. An evaporator is mounted on one side of the fixing beam, and a heating base is installed at the bottom of the evaporator. A heat-insulating fixing beam is installed on the back of the evaporator, with a heat-insulating layer in the middle. A fan panel is installed on the other side of the evaporator, and the surface of the fan panel has multiple sets of circular slots. By adding a multi-fan mounting panel to the back of the evaporator and mounting multiple fans on its surface, the load on the machine can be effectively reduced during long-term high-load operation, improving defrosting efficiency. Furthermore, two power supplies are installed on the bottom electrical distribution board, reducing the pressure on a single power supply, improving defrosting performance, reducing the power load during long-term operation, enhancing safety, and extending the device's lifespan.

This invention specifically relates to a refrigeration system and a refrigeration device having the same. The refrigeration system includes an evaporator, a liquid storage tank connected to and positioned above the evaporator, a heating device positioned below the evaporator, and a rotating assembly disposed adjacent to the side wall of the evaporator. The rotating assembly includes a fixing member spaced apart from the side wall of the evaporator, a blocking block rotatably connected to the fixing member, and a driving mechanism for rotating the blocking block. A defrosting channel connecting the liquid storage tank and the heating device is formed between the side wall of the evaporator and the fixing member. The blocking block is positioned between the liquid storage tank and the heating device and rotates to open or close the defrosting channel under the action of the driving mechanism. This invention solves the technical problem of incomplete defrosting at the liquid storage tank location by using a driving mechanism to rotate the blocking block to open or close the defrosting channel. It has the advantages of high defrosting efficiency, thorough defrosting, and reduced costs.

The utility model discloses an air path circulating system of a double-evaporator low-temperature incubator for an adverse situation test, which comprises a box body, a refrigerating system consisting of evaporators and a circulating fan is arranged in the box body, and an air duct is formed between the refrigerating system and the box body; two groups of refrigerating systems, namely a first refrigerating circulating system and a second refrigerating circulating system, which are independently distributed up and down are arranged in the box body, the two groups of refrigerating systems alternately operate, and two independent air ducts, namely a first air duct and a second air duct, are respectively formed in the box body; a one-way flow baffle is hinged to one side of an outlet of the second air channel, a limiting plate is arranged at the outlet of the second air channel, and the free end of the one-way flow baffle makes movable contact with the limiting plate or the inner wall of the box body, so that two sets of independent air paths are formed in the box body. The utility model belongs to the technical field of low-temperature incubators, and particularly aims to solve the problems of load of continuous operation of a single refrigerating system in the prior art and influence on heat exchange effect caused by easy frosting of an evaporator in a refrigerating process.

The application relates to the technical field of vehicles, in particular to a vehicle defrosting device, a vehicle defrosting method and a vehicle. The vehicle defrosting device comprises a detection unit, a control unit and a defrosting unit. The detection unit is arranged at each preset position on a vehicle body and is used for acquiring ice and frost accumulation information at each preset position and sending the ice and frost accumulation information to the control unit. The control unit is used for determining whether ice and frost accumulation occurs at the preset position on the vehicle body according to the ice and frost accumulation information, and controlling the defrosting unit to defrost when it is determined that defrosting needs to be performed. The defrosting unit is used for defrosting operation under the control of the control unit. The application integrates the detection unit, the control unit and the defrosting unit, realizes real-time monitoring and automatic defrosting of the ice and frost condition of the vehicle, can quickly and effectively remove the ice and frost on the surface of the vehicle, improves defrosting efficiency and convenience, and improves driving safety.

The application provides a defrosting method, a defrosting system, a vehicle and a readable storage medium, and the defrosting method comprises the following steps: obtaining the light transmittance of a windshield; obtaining the ambient temperature when the light transmittance is less than a first preset value; obtaining the vehicle speed of the vehicle when the ambient temperature is less than a second preset value; starting a first defrosting mode when the vehicle speed is zero; starting a second defrosting mode when the vehicle speed is greater than zero; wherein, in the first defrosting mode and the second defrosting mode, the defrosting operation of the first air outlet and the second air outlet on the windshield corresponds to a preset light transmittance range to which the light transmittance belongs. The defrosting method can determine the corresponding defrosting mode according to the actual frosting condition on the windshield, and can perform defrosting operation from the bottom side and both sides of the windshield, so that intelligent air sweeping and defrosting can be realized, thereby improving the defrosting effect and the defrosting efficiency.