9results about How to "Fast defrosting" patented technology

The hot fluorine defrosting device of the air cooler comprises a multi-way valve body, a compressor, a gas-liquid separator, an evaporator and a condenser, two inlets are formed in the top of the condenser, two outlets are formed in the bottom of the condenser, the outlets are formed in the top and the bottom of the gas-liquid separator, one side of the gas-liquid separator is provided with one outlet, and the other side of the gas-liquid separator is provided with one outlet. Inlets are formed in the top and one side of the evaporator, an outlet is formed in the bottom of the evaporator, and a connector a of the multi-way valve body is communicated with an exhaust port of the compressor; the hot fluorine defrosting device of the air cooler has a refrigeration mode and a defrosting mode, the interface state is switched through the multi-way valve body, efficient circulation of efficient refrigeration and defrosting is achieved, the compressor, the evaporator, the condenser, the gas-liquid separator, the first expansion valve and the second expansion valve work cooperatively, and rapid defrosting can be completed without an external heat source.

The utility model relates to the technical field of evaporator fin defrosting, and discloses a refrigeration house defrosting device based on an air injection device, which is applied to an evaporator in a refrigeration house, and the air injection device comprises an air storage tank, an air compressor connected to one end of an air inlet of the air storage tank through a pipe, and a plurality of air nozzles connected to one end of an air outlet of the air storage tank through a pipe, an air pump is arranged between the air nozzle and the air storage tank, the air storage tank is arranged in the water storage tank, and the air nozzle is arranged towards fins of the evaporator. A certain amount of high-temperature water can be stored in the water storage tank, firstly, air is compressed into the air storage tank through the air compressor, then the air is heated, the air pumped out through the air pump is high-pressure, high-temperature and high-speed air, a row of nozzles in the evaporator inject air towards fins in the evaporator according to a certain direction, and the air is heated. And it is guaranteed that water drops in defrosting are collected to the water collecting disc, the fins are dried, and the overall defrosting efficiency is prevented from being affected.

The utility model discloses a novel automobile rear -view mirror anti -fog defrosting heating piece, including insulating layer, temperature control electric heating structure, non temperature control electric heating structure, double -sided adhesive layer, temperature control module and feed terminal. Temperature control electric heating structure and non temperature control electric heating structure staggered meanders, laminated in one side of insulating layer, and through double -sided adhesive layer and rear -view mirror adhesion. Temperature control module and feed terminal rivet pressure in the other side of insulating layer, and temperature control module is connected in series on temperature control electric heating structure. Non temperature control electric heating structure is with low -power sustained heating, to maintain the highest temperature state of mirror. Temperature control electric heating structure is controlled to temperature control module, can start according to temperature automatically. Like this can satisfy the requirement of electric heating heating piece's quick defrosting and the highest temperature must be lower than the safety temperature point. The utility model discloses through the cooperation of double circuit, has solved traditional heating piece energy consumption high, the highest heating temperature is too high, low -temperature section temperature rise too slow's problem, has the advantages of high -efficient defrosting, safe energy -conserving.

The application discloses an air conditioning system, and relates to the technical field of air conditioners, which can improve the comfort of users to some extent. The indoor unit is provided with an indoor heat exchanger; the outdoor unit comprises an outdoor heat exchanger, the outdoor heat exchanger comprises a first part and a second part; the indoor heat exchanger is connected with the outdoor heat exchanger through gas side pipes and liquid side pipes; the first part is defrosted by using refrigerant sensible heat, and the second part is defrosted by using refrigerant waste heat; wherein, the refrigerant sensible heat defrosting and the refrigerant waste heat defrosting are not simultaneously performed, the outdoor heat exchanger is divided into the first part and the second part by being divided into upper and lower parts, and the upper and lower heat exchangers can be alternately defrosted. The four-way valve is not reversed during the whole defrosting process, and the comfort of users is ensured.

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 utility model discloses a hot fluorine defrosting system for a laboratory, which comprises a shell and tube condenser, a compressor, an indoor evaporator and an outdoor evaporator, and a hot fluorine defrosting mechanism is arranged among the shell and tube condenser, the compressor, the indoor evaporator and the outdoor evaporator. The hot fluorine defrosting mechanism comprises a liquid supply pipeline which is installed on one side of the shell and tube condenser and connected with the indoor evaporator and the outdoor evaporator, and a first automatic ball valve is installed on the liquid supply pipeline. Relates to the technical field of enthalpy difference laboratories. According to the hot fluorine defrosting system for the laboratory, due to the arrangement of the hot fluorine defrosting mechanism, the shell and tube condenser of the system does not participate in work during defrosting, the outdoor evaporator is used for condensation instead of the shell and tube condenser, heat of an indoor test room is carried to the outdoor evaporator by the whole system, and the heat of the indoor test room is saved. A large amount of condensation heat is released to the outdoor evaporator, defrosting is thorough and rapid, the temperature rise of a room is extremely small, the defects that in a traditional defrosting mode, defrosting is not thorough, and consumed time is long are overcome, and the purpose of rapid defrosting is achieved.

The invention discloses a combined heat exchanger matched with a crude oil heating heat pump device, and belongs to the field of heat pumps and heat exchange. The combined heat exchanger comprises a condenser, a wrapping type flexible electric heating component and a phase change heat storage component. The wrapped flexible electric heating component is wrapped outside the condenser, the wrapped flexible electric heating component is connected with the power supply, and the condenser comprises a refrigerant channel and a crude oil channel; the phase change heat storage component comprises a refrigerant channel and a crude oil channel; a refrigerant channel of the condenser is communicated with a refrigerant channel of the phase change heat storage component; and the condenser crude oil channel is communicated with the phase change heat storage component crude oil channel. The three-in-one integrated design of the condenser, the wrapping type flexible electric heating component and the phase change heat storage component is adopted, multiple functions are integrated, the overall structure is greatly simplified, and remarkable technical advantages are shown in the aspects of heat exchange efficiency, anti-scaling treatment, system defrosting, energy efficiency improvement and the like.

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.

This invention discloses an ultra-high reflectivity, high weather resistance, and frost-resistant sandwich reflector for concentrating solar collectors. An anti-frost and snow-resistant superhydrophobic coating is located on the upper surface of ultra-clear semi-tempered float glass. A first anti-reflection layer is located on the lower surface of the ultra-clear semi-tempered float glass. A reflective layer is located on the lower surface of the first anti-reflection layer, an anti-reflective layer is located on the lower surface of the reflective layer, a metal-doped absorbing layer is located on the lower surface of the anti-reflective layer, and a second anti-reflection layer is located on the lower surface of the metal-doped absorbing layer. A fully tempered float glass support is bonded to the second anti-reflection layer on the lower surface of the ultra-clear semi-tempered float glass using a vacuum lamination process, forming a sandwich concentrating reflector. The edges of the sandwich concentrating reflector are sealed with an edge sealant. This invention not only ensures a reflectivity of 95.5-97% but also exhibits strong weather resistance, significantly reducing the defrosting time in winter, daily cleaning time and frequency, and slowing down the decay of reflectivity, thus extending its service life.