11 results about "Auto-defrost" patented technology

The utility model relates to the technical field of food quick freezing, in particular to a multi-layer continuous tunnel instant freezer which comprises a heat preservation shell and a quick freezing channel arranged in the heat preservation shell, a feeding port and a discharging port which are communicated with the quick freezing channel are formed in the two ends of the heat preservation shell respectively, a feeding frame is fixedly installed at the position of the feeding port, and a discharging frame is fixedly installed at the position of the discharging port. A discharge frame is fixedly mounted at the discharge hole; by arranging the multi-layer conveying net belt structure, materials can be conveyed in the heat preservation shell in a falling and reciprocating mode, the internal environment of the heat preservation shell is fully utilized, and the space utilization rate is effectively increased; by arranging the connecting pipe, the air supply box and the exhaust pipe, a closed cold air conveying channel is formed between the air outlet of the fan and the conveying net belt, the energy loss of cold air in the flowing process is effectively reduced, and the freezing efficiency is remarkably improved; and by arranging the flushing pipe, the defrosting water tank and the water supply pump, the automatic defrosting function is achieved, the trouble of manual shutdown cleaning is avoided, and the production efficiency is further improved.

The invention discloses a container refrigerator capable of preventing an evaporator from frosting and blocking, which comprises a container main body, the container main body is provided with a refrigerator main body, the refrigerator main body comprises an evaporator component and an air supply component, the refrigerator main body is of a closed shell structure, and a refrigeration cavity for placing the evaporator component is formed in the refrigerator main body. Laminar flow is converted into turbulent flow through the airflow disturbance pieces formed by arranging long-strip-shaped straight plates in a staggered mode, local frosting can be reduced, an initial frost layer is loosened, the design that the evaporator is integrally inclined towards a frost collecting groove is matched, the frost layer is guided to naturally slide down through gravity component force, and the problem that the frost layer is difficult to completely fall off through pure airflow is solved. Meanwhile, the frost collecting groove and the defrosting plate driven by the electric sliding rail form an automatic defrosting component, automatic collection and discharging of the frost layer are achieved, manual intervention is not needed, and energy consumption is reduced.

The utility model discloses an automatic defrosting and dedusting system for a mine ventilation air methane heat collector, which belongs to the technical field of mine ventilation air methane waste heat utilization and comprises an air inlet pressure sensor and an air outlet pressure sensor which are respectively arranged at an air inlet end and an air outlet end of the heat collector. A plurality of cleaning nozzles are arranged at the air inlet end of the heat collector and communicate with the liquid supply assembly; the heat collector is communicated with a liquid inlet pipe and a liquid outlet pipe; the liquid inlet pipe is fixedly connected with a medium liquid inlet temperature sensor, and the liquid outlet pipe is fixedly connected with a medium liquid return temperature sensor; electric valves are respectively arranged on the liquid inlet pipe and the liquid outlet pipe; when the temperature difference between the medium liquid inlet temperature sensor and the medium liquid return temperature sensor is smaller than a set value, the electric valve is closed, and when the pressure difference between the air inlet pressure sensor and the air outlet pressure sensor exceeds the set value, the liquid supply assembly is opened. The heat of mine ventilation air methane is used for defrosting, normal-temperature water is used for dedusting, extra energy investment is reduced, and use is convenient and fast.

The utility model discloses an ultralow temperature cabinet anti-frosting temperature sensing structure which comprises a temperature sensor fixedly connected to the top of an inner cavity of an ultralow temperature cabinet, the surface of the temperature sensor is sleeved with a protective sleeve, the top of the protective sleeve is fixedly connected with the top of the inner wall of the ultralow temperature cabinet, and the inner wall of the protective sleeve is fixedly connected with a heating coil. An electric heating rod is fixedly connected to the position, located at the bottom of the temperature sensor, of the inner surface of the protective sleeve, a control terminal is fixedly connected to the position, close to the front, of the bottom of the inner wall of the ultralow-temperature cabinet, a cabinet door is movably connected to the front side of the ultralow-temperature cabinet through a pin shaft, and a grip is fixedly connected to the left side of the cabinet door. According to the utility model, the heating coil and the electric heating rod are firstly started through the control terminal, so that the heating coil and the electric heating rod radiate heat, the temperature sensor is heated by utilizing the heating coil and the electric heating rod, and at the moment, automatic defrosting can be realized, so that the effect of a defrosting function is achieved.

The invention relates to an automatic defrosting and demisting control method and system for a commercial vehicle. The automatic defrosting and demisting control method comprises the steps that the air conditioner state, the indoor temperature, the indoor humidity and the glass temperature are obtained; according to the air conditioner state, the indoor temperature, the indoor humidity and the glass temperature, the frosting and fogging risk grade is calculated; acquiring outdoor temperature and illumination intensity; according to the outdoor temperature and the illumination intensity, the frosting and fogging risk grade is corrected; and according to the corrected frosting and fogging risk level, the air conditioning system is automatically controlled to defrost and defog. According to the method, the glass fogging risk can be recognized in advance, the automatic defrosting and demisting function is started, and frequent operation of a user on the air conditioner is reduced; glass fogging can be effectively avoided, a good visual field is maintained, and driving safety is guaranteed; and meanwhile, the comfort of drivers and passengers can be considered.

The present disclosure provides systems and methods for automatic defrosting of an actively cooled suitcase. In some embodiments, a method of operating an active cooling vessel includes determining to initiate a defrost cycle for the active cooling vessel; deactivating a cooling system of the active cooling vessel; activating a defrost heater of the active cooling vessel; determining to deactivate the defrost heater of the active cooling vessel; setting the defrost heater to maintain the temperature of the heat receiver system at a threshold; waiting for a set duration to allow the melted frost to drop into the collection tray; and activating the cooling system of the active cooling vessel.

This invention discloses an automatic defrosting device for gas-fired heat pumps in low-temperature environments, relating to the field of heat pump technology. The device includes a main body with a control panel fixedly installed on one side. The main body contains several fins, a low-temperature flue gas duct, a flue gas conveying duct, and a combustion chamber. A multi-stage defrosting mechanism is fixedly connected to one end of each fin. The main body contains a separation mechanism, and the multi-stage defrosting mechanism includes a vibration mechanism. The multi-stage defrosting mechanism includes two symmetrically distributed electric telescopic rods. By setting up a multi-stage defrosting mechanism, this invention can transfer the temperature generated in the combustion chamber. Furthermore, the different heat transfer methods of the primary and secondary storage chambers can melt the frost on the fins in multiple stages, reducing the temperature difference on the fin surface and preventing fin fatigue due to excessive temperature differences, thereby achieving a long fin lifespan.

The utility model provides a refrigerator temperature controller anti -frost automatic defrosting equipment relates to the technical field of home appliance, including connecting piece, base, rotating pipe, the rear end upper and lower sides of connecting piece are equipped with a group of round holes respectively, and the front end fixedly connected with connecting plate of connecting piece, and the front end fixedly connected with threaded rod no.

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 belongs to the technical field of freeze-drying, and specifically relates to a freeze-drying machine for jasmine tea; the freeze-drying machine comprises a furnace body and further comprises: an adjusting assembly, when a humidity detector detects that the humidity value increases, the circular shell drives the air outlet to move upward, the hot air output by the air outlet is reduced and moves away from the tray; a rotating assembly, when jasmine tea in the tray is freeze-dried, the rotating part and the air outlet reciprocatingly rotate and drive the tray to vibrate up and down; and a defrosting assembly arranged in the adjusting assembly and used for melting frost formed on the inner wall of the furnace body in the freeze-drying process of the jasmine tea, when the humidity detector detects that the humidity value reaches a minimum value, the tray is attached to the shell and the side discharge hole is closed; through the adjusting assembly and the rotating assembly, the freeze-drying machine realizes accurate temperature control and micro-vibration of different trays in the freeze-drying process, ensures that the jasmine tea is uniformly heated and prevents the jasmine tea from being hardened, and the defrosting assembly can automatically defrost during operation, thereby ensuring continuous and efficient operation.