8results about How to "Improve defrosting efficiency" patented technology

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.

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 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 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.

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.