111results about How to "Improve anti-condensation effect" patented technology

The invention discloses an air conditioner control method, belongs to the field of an anti-condensation control method of an air conditioning device and is designed for solving the problems of high cost, poor practicability and the like of the existing method. The air conditioner control method comprises the following steps: when judging that an air conditioner is in a refrigeration mode, substituting an inner pipe temperature value Tn detected by a first thermometer bulb of an indoor unit into a formula, namely a wet bulb temperature Ts=A* inner pipe temperature value Tn+B, so as to obtain the wet bulb temperature Ts, wherein A and B are constant numbers, the A belongs to [-10,10] and the B belongs to [-20,20]; obtaining a relative humidity value S by checking a psychrometric chart or checking a table composed of dry bulb temperatures Tg and wet bulb temperatures Ts in the psychrometric chart; and when the relative humidity value S is more than or equal to 60%, enabling the air conditioner to enter an anti-condensation operation mode. The air conditioner control method can be used for accurately judging according to an actual working environment of the air conditioner and has strong practicability and good anti-condensation effect.

The invention relates to an air conditioner and an anti-condensation control method thereof. The anti-condensation control method comprises the following steps: in a refrigerating operation mode, theindoor environment temperature of an air conditioner indoor unit of the air conditioner and the indoor environment relative humidity are detected; and when the indoor environment temperature is higherthan the indoor environment temperature threshold, and the indoor environment relative humidity is higher than the indoor humidity threshold, the air conditioner is controlled to enter an anti-condensation mode. In an anti-condensation mode, the first compressor frequency is calculated through the indoor environment temperature PID control, the second compressor frequency is calculated through the coiler temperature PID control, and the smaller one of the first compressor frequency and the second compressor frequency is used as the actual compressor operation frequency of the air conditioner,so that the excellent anti-condensation effect is achieved, and the problem of excessive refrigeration caused by use of the coiler temperature as control parameters in the prior art is prevented. Inaddition, the relatively stable temperature and the low fluctuation can be guaranteed through the PID control algorithm.

The invention relates to an air conditioner and an anti-condensation control method thereof. The anti-condensation control method comprises the following steps: in a refrigerating operation mode, theindoor environment temperature of an air conditioner indoor unit of the air conditioner and the indoor environment relative humidity are detected; and when the indoor environment temperature is higherthan the indoor environment temperature threshold, and the indoor environment relative humidity is higher than the indoor humidity threshold, the air conditioner is controlled to enter an anti-condensation mode. In an anti-condensation mode, the first electronic expansion valve openness is calculated through the exhaust temperature PID control, the second electronic expansion valve openness is calculated through the coiler temperature PID control, and the smaller one of the first electronic expansion valve openness and the second electronic expansion valve openness is used as the actual electronic expansion valve openness of the air conditioner, so that the excellent anti-condensation effect is achieved, and the problem of excessive refrigeration caused by use of the coiler temperature ascontrol parameters in the prior art is prevented. In addition, the relatively stable temperature and the low fluctuation can be guaranteed through the PID control algorithm.

The invention provides an aqueous fluid for surface treatment of zinc-plated steel sheets and a filmed zinc-plated steel sheets which are formed by the fluid. The aqueous fluid for treatment of zinc-plated steel sheets which comprises (A) ammonium zirconium carbonate, (B) a vanadium (IV) compound, (C) an organophosphonic acid represented by the general formula (I) or an ammonium salt thereof, (D)an anionic water-dispersible acrylic resin having a glass transition temperature (Tg) of 0 to 60 DEG C as obtained by converting the absolute temperature (K) calculated by the numerical formula (1) toCelsius temperature (DEG C), and water and which has a content of (D) of 1 to 60% by mass based on the whole solid matter, a content of (B) of 0.5 to 8% by mass in terms of V based on the whole solidmatter, a V/(C) mass ratio of 0.05 to 1.0, a Zr/(V+(C)) of 0.1 to 6.0% by mass (as calculated by converting (A) to Zr), and a pH of 7 to 10; and zinc-plated steel sheets bearing films resulting fromthe fluid on the surface. The steel sheets of the invention are excellent in corrosion resistance, alkali resistance, appearance, condensed dew resistance, coatability and groundability. The fluid canbe used in treatment equipment similar to that of temporary rust preventive chromate treatment in the manufacturing line for zinc-plated steel sheets.

The invention relates to an anti-condensation device and method for a refrigerant heat dissipation main control board and an air conditioner unit, wherein the anti-condensation device for a refrigerant heat dissipation main control board includes: a detection mechanism and a control mechanism, and the detection mechanism is used to detect whether the refrigerant heat dissipation main control When condensation occurs, the regulating mechanism is used to reduce the amount of refrigerant flowing into the refrigerant heat dissipation main control board from the refrigerant inflow end of the refrigerant heat dissipation main control board when the detection mechanism detects condensation on the refrigerant heat dissipation main control board in the heating mode, to eliminate condensation. By reducing the amount of refrigerant flowing into the refrigerant heat dissipation main control board at the refrigerant inflow end from the refrigerant heat dissipation main control board, the present invention is compared with the existing adjustment method of controlling the amount of refrigerant flowing through the refrigerant cooling heat dissipation plate from the outflow end. On the end, the amount of refrigerant flowing into the refrigerant cooling plate is reduced, and the amount of refrigerant per unit capacity in the refrigerant cooling plate is reduced, which avoids the retention of refrigerant in the refrigerant cooling plate, makes the adjustment faster, and has a significant anti-condensation effect.

The invention discloses a refrigerator with a condensation prevention structure and a condensation prevention control method, and relates to the technical field of refrigeration equipment. An air supply air channel is fixed to the outer portion of a refrigerator body, an air inlet is formed in the front end of the air supply air channel, an air outlet is formed in the tail end of the air supply air channel, and a condensation prevention fan is arranged in the air supply air channel. The air inlet communicates with a compressor bin, and the air outlet is located in the top of a movable rotary beam. According to the condensation prevention control method of the refrigerator, a control unit controls the rotating speed of the condensation prevention fan according to the environment temperature, the refrigeration set temperature in the refrigerator and the work condition of a compressor so as to guarantee the condensation prevention effect. According to the refrigerator and the condensation prevention control method, high-temperature air of the compressor bin is guided to the condensation prevention position through the air supply air channel communicating with the compressor bin, the surface temperature of the rotary beam and a door panel is improved to a certain degree, meanwhile, air convection on the condensation prevention portion is increased, low-temperature wet air in narrow space is blown away, and the condensation prevention effect is achieved; and no heating device needs to be arranged, only power needs to be supplied to the condensation prevention fan, and overall energy consumption of the refrigerator is greatly reduced.

The embodiment of the invention provides a control method of a heater used for a refrigerator with an overturning beam, and belongs to the field of household appliances. The heater is used for heatingthe overturning beam. The control method includes the steps of detecting an environment temperature T1 and environment humidity H of the refrigerator; determining first power Q of the heater according to the environment temperature T1 of the refrigerator, a surface temperature T2 of the overturning beam, the surface area S of the overturning beam, the environment humidity H of the refrigerator and specific heat capacity C of water, wherein the surface temperature T2 of the overturning beam is the sum of a preset temperature and a set temperature of a chamber where the overturning beam is located; controlling the heater to operate with the first power. According to the control method and device of the heater used for the refrigerator with the overturning beam, and the refrigerator, the heater can continuously work according to needs, the temperature of the overturning beam is stable, and meanwhile the condensation preventing effect is better considering the factor of door opening of the refrigerator.

The invention relates to an anti-condensation refrigerating system and method for a refrigerator and the refrigerator. The system comprises a controller, a humidity sensor, a solenoid valve, an evaporator, a compressor, two or more condensers in serial connection, an anti-condensation pipe and a capillary tube, wherein the evaporator, the compressor, the condensers, the anti-condensation pipe and the capillary tube are connected orderly in sequence to form a refrigerating circulation loop. The solenoid valve comprises an inlet and a plurality of outlets. The inlet of the solenoid valve communicates with a refrigerant outlet of the compressor. The multiple outlets of the solenoid valve communicate with a plurality of refrigerant outlets of the condensers in a one to one correspondence mode. The humidity sensor is used for collecting a humidity value of the ambient environment of the refrigerator and sending the collected humidity value to the controller. The controller is used for receiving the humidity value and controlling the inlet and one of the outlets of the solenoid valve to be opened according to the humidity value or controlling all the outlets of the solenoid valve to be closed according to the humidity value. On-off states of the multiple outlets of the solenoid valve are controlled according to the humidity value fed back by the humidity sensor, accordingly, the temperature of an anti-condensation pipe is adjusted, and the anti-condensation refrigerating system takes account of anti-condensation and energy saving.

The invention provides an anti-condensation coating, a radiation terminal with the anti-condensation coating on surface, a radiator or an air-conditioning system. The anti-condensation coating comprises a functional material and an organic solvent, wherein the functional material comprises the following materials by weight percent: 40-79wt% of super-hydrophobic raw material, 1-10wt% of graphene and 20-50wt% of mixture of graphene coated inorganic particle and fluorine-containing organic particle. The mixture of graphene coated inorganic particle and fluorine-containing organic particle comprises a particle mixture in the grain size of 0.2-5 mu m and the graphene coating the particle mixture. The radiation terminal with the anti-condensation coating, the radiator and/or the air-conditioning system provided by the invention can be used for solving the problem of the prior art that air conditioning and heating are not matched and used with each other, so that the indoor heating radiator and the radiation terminal are difficult to dew in summer and the outdoor heat radiator is difficult to dew.

The invention discloses an outdoor box-type transformation self-control integrated station. The outdoor box-type transformation self-control integrated station comprises a box body, wherein installation seats are fixedly arranged on outer walls of two sides of a bottom end of the box body by bolts, a fireproof frame is arranged on an inner wall of the box body, an internal door plate is hinged with an outer wall of one side of the fireproof frame, a square hole is formed in a side wall of the internal door plate, a liquid crystal display screen is arranged in the square hole in a clamping way,an intelligent electrical instrument piece is connected with a position, near to the liquid crystal display screen, of a side wall of the internal door plate in a clamping way, an installation rack is fixedly arranged on an outer wall of a top end of the box body via a bolt, a motor is fixedly arranged at a middle position of an inner wall of a top end of the installation rack, a bearing turntable is fixedly arranged on an outer wall of the top end of the installation rack by a bolt, and a metal support frame is fixedly arranged on an outer wall of a top end of the bearing turntable via a bolt. By the outdoor box-type transformation self-control integrated station, remote mobile phone monitoring and remote monitoring can be achieved, labor cost is reduced, and the outdoor box-type transformation self-control integrated station is more intelligent and efficient; and by hot and cold air convection, a condensation phenomenon is reduced, the condensation prevention performance of the device is improved, the moisture resistant performance of the device is improved, and automatic control on production process of an enterprise can be achieved.

The invention relates to a door body for a refrigerating and freezing device and the refrigerating and freezing device. The door body comprises a face plate, a display control assembly and a door body foaming assembly, wherein the face plate is used for forming the front portion of the door body; the display control assembly is used for providing the display touch-control function; and the door body foaming assembly is used for forming the rear portion of the door body. The display control assembly is arranged between the door body foaming assembly and the face plate, and a heating device is arranged in the door body foaming assembly in an embedded manner. The heating device is configured in a manner that when the humidity in a space where the display control assembly is located reaches a preset first humidity threshold value, the heating device is controlled to be started and provide heat for the front portion of the door body foaming assembly. By means of the door body, condensation can be prevented from being generated on the display control assembly, quality of the display control assembly is improved, and the service life of the display control assembly is prolonged. The refrigerating and freezing device comprises a box body and the door body, wherein the box body is internally provided with storage spaces in a limited manner, wherein the storage spaces are used for storing articles therein; and the door body is directly or indirectly connected to the box body, so that part or all of the storage spaces are opened and/or closed.

The invention discloses a method and a device for preventing moisture condensation of a roof of a textile workshop. The method comprises the following steps of: using an exhausting and dehumidifying fan in winter: starting the exhausting and dehumidifying fan when the air humidity of the roof reaches the highest limit value of the given relative humidity through an exhausting and dehumidifying pipe net fixed at the lower surface of the roof of the textile workshop, and extracting the humid air around the lower surface of the roof. The device comprises the exhausting and dehumidifying pipe net at the lower surface of the roof of the textile workshop, a humidity sensor, the exhausting and dehumidifying fan and an anti-fogging automatic control circuit; the exhausting and dehumidifying pipe net consists of at least one exhausting and dehumidifying main pipe and a certain quantity of exhausting and dehumidifying branch pipes arranged by a certain regular way; the two sides of each exhausting and dehumidifying branch pipe are at least respectively provided with a row of exhausting and dehumidifying holes or seams arranged uniformly. The invention has good effect of preventing moisture condensation, low cost of application, simple structure and convenient use; and the operation fee is only 4% of the traditional method. The invention can save energy and reduce the power consumption, has good environmental-friendly performance and provides great economic benefits and social benefits in the textile industry.

The invention provides a door body used for a refrigerating-freezing device as well as a radiating method thereof and a refrigerating-freezing device. The door body used for the refrigerating-freezing device comprises a display control assembly used for providing a display touch function, a radiating flue used for radiating the display control assembly and a radiating fan arranged in the radiating flue, wherein the radiating fan is controlled to be opened or closed according to the temperature of the display control assembly. According to the door body provided by the invention, the radiating fan is controlled to be opened or closed according to the temperature of the display control assembly, and compulsive radiating treatment can be determined to perform or not according to an actual condition, so that energy waste due to the fact that the radiating fan is opened when the temperature of the display control assembly is relatively low can be avoided; and moreover, heat generated by the display control assembly can be taken away more effectively when the temperature of the display control assembly is relatively high, and an obvious condensation prevention effect can be generated by accelerated circulation of air, so that quality of the display control assembly is improved, and the service life of the door body is prolonged.

The invention discloses a novel temperature/humidity controller which is characterized in that an MCU (micro control unit) is connected with a power supply module, a temperature/humidity sensor module, an alarm module, a keyboard input module and an LCD (liquid crystal display) module; and two heater control modules are respectively connected with the MCU and two heaters, the two heaters are respectively connected with two heater self-checking modules, and the two heater self-checking modules are respectively communicated with the MCU. Based on the arrangement, the novel temperature/humidity controller disclosed by the invention can regulate a set valve according to actual work environments, so that the novel temperature/humidity controller can be used in different environments.

The invention relates to a door body for a refrigerating device and the refrigerating device. The door body comprises a panel used for forming the front portion of the door body, a display control assembly used for providing the display and touch control functions and a door body foaming assembly used for forming the rear portion of the door body. A containing cavity used for containing the display control assembly, an air inlet channel and an air outlet channel are defined between the door body foaming assembly and the panel, and the air inlet channel and the air outlet channel communicate the containing cavity with the environmental space. The display control assembly is contained in the containing cavity. The air outlet channel comprises multiple spaced subsidiary air channels. The air outlet direction of each subsidiary air channel is opposite to a heating centralizing component of the display control assembly so as to effectively dissipate heat and protect the display control assembly against condensation. The quality of the display control assembly is improved. The service life of the display control assembly is prolonged. The refrigerating device provided by the invention comprises a box and the door body, wherein a storage space is defined in the box; the door body is directly or indirectly connected to the box to open and/or close at least part of the storage space.

The invention discloses a simple air duct device with anti-condensation, anti-vibration and fireproof functions. The simple air duct device is characterized in that air duct foam is installed on a front air duct mask, and a fireproof plate and aluminum foil sponge are sequentially installed at the lower end of the rear end face of the air duct foam; a return air inlet is formed in the lower end ofa front fan cover panel, a plurality of air outlets are formed in one surface of the front fan cover panel, air outlet holes communicate with a centrifugal fan mounting groove through an air duct, and a centrifugal fan is fixed in the centrifugal fan mounting groove; and a rear air duct cover plate is installed at the upper end of the rear end face of the air duct foam. According to the simple air duct device, the centrifugal fan is installed through the air duct foam, and the damping effect is improved; the air duct foam is provided with the air duct and the air outlets to supply cold air toall chambers, and air guide bosses are arranged to facilitate conveying of the cold air to the multiple air outlets and air guide of the air duct; and the fireproof plate is installed through a fireproof plate installation groove, collapse of the aluminum foil sponge is prevented, a stable air duct channel is conveniently formed in a sealed mode, and when aluminum foil in the aluminum foil spongeloses efficacy, the effect of fire prevention of second air duct foam is achieved.

A temperature and humidity controller comprises an MCU (microprogrammed control unit), a power module, a temperature and humidity sensor module, an alarm module, a keyboard input module, a liquid crystal display module, a heater control module, a heater, a fan control module and a fan, wherein the power module, the temperature and humidity sensor module, the alarm module, the keyboard input module and the liquid crystal display module are connected onto the MCU; the heater control module is connected with the MCU and the heater; the fan control module is connected with the MCU and the fan.

The invention relates to a door body for a refrigeration and freezing device and the refrigeration and freezing device. The door body comprises a panel used for forming the front portion of the door body, a display control component used for providing the display touch control function and a door body foaming component used for forming the rear portion of the door body. The display control component is arranged between the door body foaming component and the panel. The front surface of the door body foaming component forms a recess which is recessed backwards and vertically through, and vertically-through heat dissipation air ducts are defined between the door body foaming component and the display control component and between the door body foaming component and the panel. By the adoption of the door body, heat dissipation can be conducted effectively, it is avoided that condensation is generated on the display control component, the quality of the display control component is improved, and the service life of the display control component is prolonged. The refrigeration and freezing device comprises a box body and the door body, storage spaces used for storing objects are defined in the box body, and the door body is directly or indirectly connected to the box body and used for opening or closing at least part of the storage spaces.

The inventions provides an air guide assembly and an air conditioner. The air guide assembly comprises an air guide plate, an anti-condensation structure is arranged on the outer surface of the air guide plate, and the anti-condensation structure comprises a plurality of parallel grooves and bosses arranged between the two adjacent grooves. According to the air guide assembly, the outer surface ofthe air guide plate is provided with the anti-condensation structure composed by combining the grooves with the bosses, so that groove flow guide design ensures that condensation does not form largedroplets on the outer surface of an air guide door.

The embodiment of the invention provides a refrigerator and a control method thereof, and relates to the field of refrigerator control. According to the refrigerator and the control method thereof, ananti-condensation effect of a dew removable tube can be improved on the basis of ensuring heat dissipation of a condenser. The refrigerator comprises the condenser, a condensing fan, the dew removable tube, an environment detection device and a main control board, wherein the condensing fan is used for blowing air to the condenser, an inlet of the dew removable tube is connected with an outlet ofthe condenser, and the environmental detection device is used for detecting environmental temperature and environmental humidity of the refrigerator. The main control board is configured to acquire the environmental temperature and environmental humidity of the refrigerator through the environmental detection device when a storage room meets stable operation conditions, and a target operation mode of the condensing fan is determined according to the environmental temperature and environmental humidity detected by the environmental detection device; a target pre-rotation mode is any one of a plurality of preset operation modes; the operation modes correspond to the environmental temperature and environmental humidity which meet different conditions one by one; and the condensing fan is controlled to execute the target operation mode to adjust the temperature of the dew removable tube.

The invention discloses an anti-condensation device for box-type equipment, and the device comprises: a cabinet body, wherein the inner wall of the upper part of the cabinet body is provided with a super-hydrophobic coating; a drainage assembly which is detachably installed in the cabinet body, wherein the drainage assembly is located under the super-hydrophobic coating, and the length of the upper portion of the drainage assembly is smaller than the width of the cabinet body so that the interior of the cabinet body can be communicated, wherein the upper portion of the drainage assembly is obliquely arranged downwards in the direction from one side of the cabinet body to the other opposite side of the cabinet body, and the lower portion of the drainage assembly partially extends out of thecabinet body. By arranging the super-hydrophobic coating and the drainage assembly, a part of humidity in the cabinet body can be reduced, so that the working time of later dehumidification is effectively shortened, and the effects of reducing energy consumption and remarkably improving the dehumidification efficiency are achieved; through combination of super-hydrophobic coating dehumidificationand heating ventilation dehumidification, a multi-stage dehumidification effect is achieved, so that the humidity in the box-type equipment cabinet can be effectively reduced, and an excellent anti-condensation effect is achieved.

The invention discloses a preparation method and a production device preventing citric acid coagulation. The preparation method comprises the following steps: introducing steam and preparing a citricacid crude product solution, performing decoloration treatment to obtain a fine filtrate, concentrating the fine filtrate to obtain viscous liquid, cooling and crystallizing to obtain wet citric acidparticles, and centrifuging the wet citric acid particles to obtain high-yield and high-purity citric acid crystal particles. In the invention, the preparation technology is optimized; the key point is characterized in that steam is introduced in the preparation process, the problem of citric acid caking in the production process of citric acid and unforeseen circumstances is effectively solved, and blocking of a discharge bottom valve and a pipeline connected with a discharge valve is prevented. Meanwhile, the production technology has the advantages of simplicity, low cost, easiness in operation and implementation, environmental friendliness and safety.