9results about How to "Solve frosting" patented technology

The invention provides an anti-frosting control method, device and equipment of a cooling system and a vehicle, the anti-frosting control method of the cooling system is applied to the vehicle, the cooling system comprises an evaporator and a cooling assembly, and the method comprises the steps that whether the cooling system has a frosting risk or not is detected according to environment parameters of the vehicle and operation parameters of the cooling system; if the cooling system has the frosting risk, demand parameters of a cooling assembly are determined according to the real-time difference value of the actual temperature and the target temperature of the evaporator; and controlling the cooling assembly according to the demand parameters of the cooling assembly. The running state of the cooling assembly can be dynamically adjusted, frosting is effectively restrained, extra bad perception of a user cannot be caused, the balance state can be maintained for a long time, and the NVH performance of the whole vehicle is prevented from being affected by frequent adjustment.

The present invention provides a refrigerator, which includes a storage liner located at the bottom, a cover, an evaporator, an air supply duct and at least one blower, the cover is placed in the space defined by the storage liner, and is configured to divide the space into a cooling chamber located below and a storage compartment located above the cooling chamber, the air supply duct is arranged in the space of the storage liner, and is configured to transport cooling air cooled by the evaporator to the storage compartment, and the blower is arranged in the air supply duct, and is configured to promote air circulation between the cooling chamber and the storage compartment. The refrigerator of the present invention avoids the blower occupying the cooling chamber by arranging the blower in the air supply duct, can reduce the height of the cooling chamber, increase the storage volume of the storage compartment above the cooling chamber, and the distance between the blower and the evaporator is relatively increased, which can reduce the degree of frost on the blades of the blower.

The invention discloses a low-temperature refrigerating system in a high-humidity environment and a control method. The low-temperature refrigerating system comprises a dehumidifier arranged below a refrigerating evaporator, the dehumidifier is communicated with the cascade refrigerating unit through a refrigerant pipeline, a refrigerant inlet pipeline is provided with an electromagnetic valve used for controlling refrigerant to enter, and a refrigerating discharge pipeline is provided with a temperature sensor used for monitoring the temperature of an outlet of the dehumidifier. The box body temperature sensor is arranged in the environment test box and is used for acquiring the temperature in the box body. According to the scheme, the problem that the surface of the evaporator frosts during cooling under the high-humidity working condition can be solved.

The utility model belongs to the technical field of automobile ornaments, and provides a demisting structure of a camera perspective area on a vehicle stand column decoration plate, which comprises a stand column inner plate, a stand column outer decoration plate and a camera module, the camera module is installed on the inner plate and can transmit the camera perspective area to shoot images for image acquisition, a main cavity is defined by the stand column outer decoration plate and the stand column inner plate at the camera perspective area, and a drying agent containing assembly used for drying air in the main cavity is arranged in the stand column inner plate. The utility model has the advantages that the drying agent bag can solve the problem that water mist or frosting is generated in a perspective area of images acquired by the camera on the upright post plaque of the vehicle, so that the problem that the camera is shielded due to fogging or frosting in the upright post plaque is solved; the problems that the auxiliary driving function, the face recognition function, the all-round looking function and the like cannot be used due to the fact that image collection cannot be conducted are solved, the overall structure is simple, use is convenient, and the manufacturing cost is reduced.

The utility model discloses a Raman spectrum detection device for freezing a biological fluid sample, and particularly relates to the technical field of biomedical detection equipment, the Raman spectrum detection device comprises a detection box, a sample table, a refrigeration device, a vacuum pump and a Raman spectrometer, the sample table is fixed in the detection box, the sample table is used for placing a sample test tube, the refrigeration device is connected with the sample table, and the vacuum pump is connected with the Raman spectrometer. The detection box is connected with the vacuum pump through a pipeline, a probe of the Raman spectrometer is fixed on the detection box, and the probe of the Raman spectrometer is used for emitting laser and collecting a Raman spectrum of the sample test tube. According to the utility model, accurate temperature regulation and control can be realized, sample denaturation and inactivation are avoided, and the spectrum quality and the detection stability are remarkably improved.

The present invention provides an automatic anti-fog lens device, a camera module and an electronic device, comprising a lens barrel; a lens assembly, the lens assembly is arranged in the lens barrel, the lens assembly comprises a first lens, a second lens and a third lens arranged along the optical axis from the object end to the image end; an annular printed circuit board, the annular printed circuit board is arranged between the first lens and the second lens and is in contact with the edge of the first lens, and a heating element and a temperature sensing element are arranged on a side surface of the annular printed circuit board facing the first lens; a flexible circuit board, the flexible circuit board is arranged on the inner wall of the side edge of the lens barrel, and one end of the flexible circuit board is electrically connected to the annular printed circuit board; a control unit, the control unit is electrically connected to the other end of the flexible circuit board. The present invention effectively eliminates the frost and fogging phenomenon in the use of the lens by arranging the heating element and the temperature sensing element.

The present invention discloses a low-temperature and low-humidity air-conditioning device, which includes a compressor, a condenser, a condensing fan, a liquid storage device, a first throttling element, a second throttling element, a first evaporator, a second evaporator, an evaporating fan, a gas-liquid separator, a plurality of temperature sensors and a pipe system. The first evaporator and the second evaporator are respectively composed of a supercooling pipe family and an evaporating pipe family, and the supercooling pipe family is evenly distributed in the middle of the evaporating pipe family. The liquid storage device is divided into two routes, the first route passes through the supercooling pipe family of the second evaporator, the first throttling element, and the evaporating pipe family of the first evaporator to the gas-liquid separator; the second route passes through the supercooling pipe family of the first evaporator, the second throttling element, and the evaporating pipe family of the second evaporator to the gas-liquid separator. During operation, the first throttling element and the second throttling element are controlled to realize the alternating operation of the first evaporator and the second evaporator. The present invention adopts a unique design and can be widely used in air-conditioning projects with multi-stage refrigeration.

The invention discloses a high-pressure gas phase fluid pressure energy recovery system of a dry gas recovery device, comprising a catalytic dry gas unit, a coking dry gas unit and a mixed dry gas unit. The catalytic dry gas unit comprises a buffer tank a, a dry gas compressor, a C4 absorption tower a, a C4 analysis tower a, a decarbonization tower a, a desulfurization tower a and a dearsenic-mercury tower a. The coking dry gas unit comprises a buffer tank b, a first-stage dry gas compressor, a decarbonization tower b, a second-stage dry gas compressor, a C4 absorption tower b, a C4 analysis tower b, a dearsenic-mercury tower b and a concentration compressor. The upper end of the C4 absorption tower b is connected with a gasoline absorption tower through a pipeline. The mixed dry gas unit comprises a buffer tank c, a mixed dry gas compressor, a liquid separator and an ethane tower. The upper and lower ends of the ethane tower are respectively connected with a reflux tank and a light hydrocarbon tower, so as to solve the energy loss caused by the pressure reduction of the high-pressure gas phase through a regulating valve and the problem of pipeline frosting. The efficient output of ethylene, ethane and light hydrocarbons facilitates the realization of the process steps of the latter stage.

The utility model discloses an evaporator structure, including both side sheets and install on the evaporator coil of both side plates, still include bearing, the inner ring of bearing is fixed in every evaporator coil straight pipe section, and the outer ring circumferential outside surface of bearing is fixed with the fan blade, and the outer ring axial one end of bearing is connected with soft brush strip, and soft brush strip and corresponding straight pipe section circumferential outside surface contact. The utility model has the function of scanning the condensed water on evaporator coil straight pipe section and can effectively prevent the frost problem caused by the excessive accumulation of condensed water.