41results about How to "Quick frosting" patented technology

The invention discloses an air source heat pump type air conditioner and a defrosting method thereof. The air conditioner is outdoors connected with a first outdoor heat exchanger (4) and a second outdoor heat exchanger (5) in parallel, electromagnetic valves (6, 7, 8, 9) are respectively arranged on pipelines which connect the first outdoor heat exchanger (4) and the second outdoor heat exchanger (5) with a four-way valve (2), throttle devices (10, 11) are respectively arranged on the pipelines which are connected with an indoor heat exchanger (3), the electromagnetic valves (6, 7, 8, 9) are connected with a detection control system, and the throttle device (12) is connected between the first outdoor heat exchanger (4) and the second outdoor heat exchanger (5). When in need of defrosting, exhaust gas of a compressor is divided into two parts after passing through the four-way valve, one part enters the indoor machine for ensuring the indoor heat supply, the other part enters one of the outdoor heat exchangers for defrosting, condensate enters the other outdoor heat exchanger for evaporating after throttling, and refrigerant vapor returns to the compressor.

The invention relates to the field of dew point temperature measurement, and particularly relates to a chilled-mirror dew-point hygrometer capable of quickly measuring an extremely low dew point. Thechilled-mirror dew-point hygrometer comprises a gas path system, a light path system, a refrigerating system and a control system, wherein the gas path system comprises a test cavity, a sampling pipeline and an auxiliary humidifying unit, the auxiliary humidifying unit comprises a humidifying pipeline and an electromagnetic valve, and two ends of the humidifying pipeline are connected to two openings of the sampling pipeline; the light path system comprises a transmitting light source, a mirror surface and a photosensitive receiver, the mirror surface is located in the test cavity, the transmitting light source irradiates the mirror surface, and reflected light is received by the photosensitive receiver; the refrigerating system comprises a semiconductor refrigerator and a compressor refrigerator for performing pre-refrigeration treatment on the semiconductor refrigerator, the cold end of the semiconductor refrigerator is connected to the bottom of the mirror surface, and the hot end of the semiconductor refrigerator is mounted on an evaporator of the compressor refrigerator; and the control system is electrically connected with the gas path system, the light path system and the refrigerating system. The chilled-mirror dew-point hygrometer can measure an extremely low dew point, and is high in measurement speed, high in accuracy and high in stability.

The invention discloses an air source heat pump type air conditioner and a defrosting method thereof. The air conditioner is outdoors connected with a first outdoor heat exchanger (4) and a second outdoor heat exchanger (5) in parallel, electromagnetic valves (6, 7, 8, 9) are respectively arranged on pipelines which connect the first outdoor heat exchanger (4) and the second outdoor heat exchanger(5) with a four-way valve (2), throttle devices (10, 11) are respectively arranged on the pipelines which are connected with an indoor heat exchanger (3), the electromagnetic valves (6, 7, 8, 9) areconnected with a detection control system, and the throttle device (12) is connected between the first outdoor heat exchanger (4) and the second outdoor heat exchanger (5). When in need of defrosting,exhaust gas of a compressor is divided into two parts after passing through the four-way valve, one part enters the indoor machine for ensuring the indoor heat supply, the other part enters one of the outdoor heat exchangers for defrosting, condensate enters the other outdoor heat exchanger for evaporating after throttling, and refrigerant vapor returns to the compressor.

The invention discloses a fullness testing structure for a low temperature liquid storage tank. The fullness testing structure comprises a concentrated discharging pipe, a fullness testing pipe, a movable connector and a fullness testing circuit, wherein the fullness testing pipe is provided with a fullness testing valve, the part on the fullness testing pipe positioned above the fullness testing valve is a safety relief part, the part on the fullness testing pipe positioned below the fullness testing valve is a fullness testing part, and the safety relief part is connected with the concentrated discharging pipe through a safety valve group; the movable connector is communicated with the lower end of the fullness testing part; and an inlet of the fullness testing circuit is connected with the movable connector, and an outlet of the fullness testing circuit is also connected with the movable connector. With the fullness testing structure for the low temperature liquid storage tank, a worker can visually know whether the liquid in the low temperature liquid storage tank reaches the rated volume or not.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for an air conditioner. The method aims to solve the problem that the normal experience ofthe user is influenced due to long self-cleaning time caused by the fact that an existing self-cleaning control mode of the air conditioner is generally slow in frosting speed. The air conditioner comprises a refrigerant circulation system and a solution circulation system composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage box. The self-cleaning control method comprises the following steps that under a heating working condition, a compressor undergoes frequency reduction, a four-way valve is reversed, the opening degree of an electronic expansionvalve is reduced and the rotating speed of the liquid pump is improved, so that an indoor heat exchanger frosted; after the indoor heat exchanger is frosted, the electronic expansion valve is shut off first, and then an electromagnetic valve at the low pressure side of the compressor is shut off after preset time; and the indoor heat exchanger is heated, so that the indoor heat exchanger is subjected to defrosting cleaning. According to the self-cleaning control method for the air conditioner, the self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience is improved.

The invention belongs to the technical field of air conditioners, and aims to solve the problem that the self-cleaning control mode of an existing air conditioner is generally slow in frosting speed,so that the whole self-cleaning time is long, and the normal experience of a user is influenced. In order to solve the problem, the invention provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storagetank; the self-cleaning control method comprises the steps that under the refrigeration working condition, frequency ascending is carried out on a compressor, an indoor fan of the air conditioner isclosed, and the rotating speed of the liquid pump is increased, so that an indoor heat exchanger is frosted; after the indoor heat exchanger is frosted, an electronic expansion valve is closed firstly, and then an electromagnetic valve at the low pressure side of the compressor is closed after a preset time; and the indoor heat exchanger is heated, so that the indoor heat exchanger is subjected todefrosting cleaning. According to the self-cleaning control method for the air conditioner, the self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience can be improved.

The invention discloses a self-cleaning control method for an air conditioner, and belongs to the technical field of air conditioners. The self-cleaning control method for the air conditioner aims tosolve the problem that a self-cleaning control mode of an existing air conditioner is generally slow in frosting speed, so that the whole self-cleaning time is caused to be long, and the normal experience of a user is influenced. The self-cleaning control method for the air conditioner is provided, the air conditioner comprises a refrigerant circulation system and a solution circulation system, the self-cleaning control method comprises the following steps that a compressor is enabled to reduce frequency under a heating working condition, a four-way valve is reversed, the opening degree of anelectronic expansion valve is reduced, an indoor unit of the air conditioner is closed and the voltage of an indoor solution film and the voltage of an outdoor solution film are raised, and thereby anindoor heat exchanger is frosted; after the indoor heat exchanger is frosted, the electronic expansion valve is closed firstly, and an electromagnetic valve at the low pressure side of the compressoris closed after a preset time; and the indoor heat exchanger is heated, so that the indoor heat exchanger is subjected to defrosting cleaning. The self-cleaning control method for the air conditionercan improve the self-cleaning efficiency of the indoor heat exchanger, and the user experience is improved.

The invention belongs to the technical field of air conditioners, aims to solve the problem that by means of a self-cleaning control mode of an existing air conditioner, the frosting speed is generally slow, so that the whole self-cleaning time is long, and the normal experience of a user is influenced, and provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system which is composed of an indoor solution membrane, an outdoor solution membrane, a liquid pump and a liquid storage tank. The self-cleaning control method comprises the steps that frequency reducing is carried out on a compressor under the heating working condition, reversing is carried out on a four-way valve, frequency raisingis carried out on the compressor, and the voltage of the indoor solution membrane and the voltage of the outdoor solution membrane are raised, so that an indoor heat exchanger is frosted; after the indoor heat exchanger is frosted, an electronic expansion valve is closed, and then an electromagnetic valve at the low pressure side of the compressor is closed after reset time; and the indoor heat exchanger is heated, so that the indoor heat exchanger is subjected to defrosting cleaning. According to the method, the self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience is improved.

The invention belongs to the technical field of air conditioners, and aims to solve the problem that the self-cleaning control mode of an existing air conditioner is generally slow in frosting speed,so that the whole self-cleaning time is long, and the normal experience of a user is influenced. In order to solve the problem, the invention provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storagetank; the self-cleaning control method comprises the following steps that under the heating working condition, frequency reducing is carried out on a compressor, a four-way valve is reversed, frequency ascending is carried out on the compressor, an indoor fan of the air conditioner is closed, and the rotating speed of the liquid pump is improved, so that an indoor heat exchanger is frosted; afterthe indoor heat exchanger is frosted, an electronic expansion valve is closed firstly, and then an electromagnetic valve at the low pressure side of the compressor is closed after a preset time; andthe indoor heat exchanger is heated, so that the indoor heat exchanger is subjected to defrosting cleaning. According to the self-cleaning control method for the air conditioner, the self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience can be improved.

The invention belongs to the technical field of air conditioners and aims to solve the problem that the self-cleaning control mode of the existing air conditioners generally has a slow frosting speed, which leads to a long time for the entire self-cleaning and affects the normal experience of users. For this reason, the present invention provides a kind of self-cleaning control method that is used for air conditioner, and air conditioner comprises refrigerant circulation system and the solution circulation system that is made of indoor solution film, outdoor solution film, liquid pump and storage tank, self-cleaning control The method includes: reducing the frequency of the compressor and reversing the direction of the four-way valve under cooling conditions; reducing the opening of the electronic expansion valve, reducing the speed of the outdoor fan of the air conditioner and increasing the speed of the liquid pump, so that the outdoor heat exchanger Frosting; after the outdoor heat exchanger is frosted, first close the electronic expansion valve, and then close the solenoid valve on the low-pressure side of the compressor after a preset time; heat the outdoor heat exchanger to defrost and clean the outdoor heat exchanger . The invention can improve the self-cleaning efficiency of the outdoor heat exchanger and improve user experience.

The invention belongs to the technical field of air conditioners, aims to solve the problems that by means of a self-cleaning control mode of an existing air conditioner generally, the frosting speedis generally slow, so that the whole self-cleaning time is long, and the normal experience of a user is influenced, and provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system which is composed of an indoor liquid film, an outdoor liquid film, a liquid pump and a liquid storage box. The self-cleaning control method comprises the steps that under a refrigeration working condition, frequency reducing is carried out on a compressor, and reversing is carried out on a four-way valve; the openingdegree of an electronic expansion valve is reduced, the rotating speed of an outdoor fan of the air conditioner is reduced, and the rotating speed of the liquid pump is improved, so that an outdoor heat exchanger is frosted; after the outdoor heat exchanger is frosted, the electronic expansion valve is closed, and then a solenoid valve at the low-pressure side of the compressor is closed after preset time; and the outdoor heat exchanger is heated, so that the outdoor heat exchanger is defrosted and cleaned. The method can improve the self-cleaning efficiency of the outdoor heat exchanger andimprove the user experience.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for an air conditioner to solve the problems that a self-cleaning control mode of an existing air conditioner is generally low in frosting speed, and consequently the whole self-cleaning time is long, and the normal experience of a user is influenced. The air conditioner comprises a refrigerant circulating system and a solution circulating system which is composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage tank. The self-cleaning control method comprises the steps: under the working condition of refrigeration, the frequency of a compressor is increased, the opening degree of an electronic expansion valve is decreased, the rotating speedof the liquid pump is increased, and thus an indoor heat exchanger is frosted; after the indoor heat exchanger is frosted, the electronic expansion valve is closed firstly, and then a solenoid valveon the low-voltage side of the compressor is closed after the preset time; and the indoor heat exchanger is heated, and thus the outdoor heat exchanger is subjected to frosting cleaning. The self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience is improved.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for an air conditioner. The problem that the normal experience of users is affected due tothe longer whole self-cleaning time because a self-cleaning control mode of an existing air conditioner generally has a slow frosting speed is solved. The air conditioner includes a refrigerant circulation system and a solution circulation system which is composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage tank. The self-cleaning control method includes the steps that under a refrigeration condition, the frequency of a compressor is raised, the opening of an electronic expansion valve is reduced, an indoor fan of the air conditioner is closed, voltages of the indoor solution film and the outdoor solution film are enabled to rise, so that an indoor heat exchanger frosts; after the indoor heat exchanger frosts, the electronic expansion valve isclosed, and then a solenoid valve on the low-voltage side of the compressor is closed after the preset time; and the indoor heat exchanger is heated to enable the indoor heat exchanger to defrost andclean. According to the self-cleaning control method, the self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience can be enhanced.

The invention belongs to the technical field of air conditioners, aims to solve the problem that the normal user experience is affected by the whole longer self-cleaning time due to the fact that thefrosting speed is generally slow in a self-cleaning control mode of an existing air conditioner, and provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulatory system and a solution circulatory system, wherein the solution circulatory system is composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage tank. The self-cleaning control method comprises the steps that under a heating working condition, the rotating speed of an outdoor draught fan of the air conditioner is reduced and the rotating speed of the liquid pump is increased, so that an outdoor heat exchanger frosts; after the outdoor heat exchanger frosts, firstly an electronic expansion valve is closed, and an electromagnetic valve on the low-voltage side of a compressor is closed after preset time; and the outdoor heat exchanger is heated, so that the outdoor heat exchanger defrosts and is cleaned. The self-cleaning control method for the air conditioner can improve the self-cleaning efficiency of the outdoor heat exchanger, and improve the user experience.

The invention belongs to the technical field of air conditioners, aims to solve the problems that by means of a self-cleaning control mode of an existing air conditioner, the frosting speed is generally slow, so that the whole self-cleaning time is long, and the normal experience of a user is influenced, and provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system composed of an indoor liquid film, an outdoor liquid film, a liquid pump and a liquid storage box. The self-cleaning control method comprises the steps that under a heating working condition, frequency reducing is carried out on a compressor, and reversing is carried out on a four-way valve; frequency increasing is carried outon the compressor, the opening degree of an electronic expansion valve is reduced, and the rotating speed of the liquid pump is improved, so that an indoor heat exchanger is defrosted; after the indoor heat exchanger is frosted, the electronic expansion valve is closed, and then an electromagnetic valve on the low-pressure side of the compressor is closed after preset time; and the indoor heat exchanger is heated so as to perform defrosting and cleaning on the indoor heat exchanger. The method can improve the self-cleaning efficiency of the indoor heat exchanger and improve the user experience.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for an air conditioner. The method aims to solve the problem that an existing self-cleaning control mode of the air conditioner is generally slow in frosting speed, so that whole self-cleaning time is long, and the normal experience of a user is influenced. The air conditioner comprises arefrigerant circulation system and a solution circulation system composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage tank, and the self-cleaning control method comprises the following steps that frequency of a compressor is lowered, and a four-way valve is reversed under the refrigeration working condition; the frequency of the compressor is raised, anopening degree of an electronic expansion valve is reduced, and a rotating speed of the liquid pump is improved, so that an outdoor heat exchanger is enabled to be frosted; after the outdoor heat exchanger is frosted, the electronic expansion valve is first closed, and an electromagnetic valve at the low pressure side of the compressor is closed after the preset time; and the outdoor heat exchanger is heated, so that the outdoor heat exchanger is subjected to defrosting cleaning. According to the method, the self-cleaning efficiency of the outdoor heat exchanger can be improved, and the userexperience is improved.

The invention belongs to the technical field of air conditioners, aims to solve the problem that the self-cleaning control method of an existing air conditioner generally has a low frosting speed, consequently, the whole self-cleaning time is long, and the normal experience of a user is affected, and, to this end, provides a self-cleaning control method for an air conditioner. The air conditionerincludes a refrigerant circulation system and a solution circulation system composed of an indoor solution film, an outdoor solution film, a liquid pump, and a liquid storage tank, the self-cleaning control method includes the steps that under a heating condition, the frequency of a compressor is increased, the opening degree of an electronic expansion valve is decreased, the rotation speed of theliquid pump is increased, and thus an outdoor heat exchanger frosts; after frosting of the outdoor heat exchanger, the electronic expansion valve is closed, and then a solenoid valve on the low-pressure side of the compressor is closed after a preset time; and the outdoor heat exchanger is heated to defrost and clean the outdoor heat exchanger. According to the self-cleaning control method for anair conditioner, the self-cleaning efficiency of the outdoor heat exchanger can be improved, and the user experience is improved.

The invention belongs to the technical field of air conditioners, and aims to solve the problem that the self-cleaning control mode of an existing air conditioner is generally slow in frosting speed,so that the whole self-cleaning time is long, and the normal experience of a user is influenced; In order to solve the problem, the invention provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system; the self-cleaning control method comprises the following steps that under the refrigeration working condition, frequency reducing is carried out on a compressor, and a four-way valve is reversed; the rotating speed of an outdoor fan of the air conditioner is reduced, and the voltage of an indoorsolution film and the voltage of an outdoor solution film are risen, so that an outdoor heat exchanger is frosted; after the outdoor heat exchanger is frosted, an electronic expansion valve is closedfirstly, and then an electromagnetic valve at the low pressure side of a compressor is closed after a preset time; and the outdoor heat exchanger is heated, so that the outdoor heat exchanger is subjected to defrosting cleaning. According to the self-cleaning control method for the air conditioner, the self-cleaning efficiency of the outdoor heat exchanger can be improved, and the user experiencecan be improved.

The invention belongs to the technical field of air conditioners and aims to solve the problems that the whole self-cleaning time is longer and normal experience of a user is affected due to generallylower frosting speed of an existing self-cleaning control mode of the air conditioner. Therefore, the invention provides a self-cleaning control method for the air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system consisting of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage box; and the self-cleaning control method comprises the steps as follows: under the heating work condition, frequency of a compressor is increased, rotating speed of an outdoor fan of the air conditioner is reduced, and voltage of the indoor solution film and voltage of the outdoor solution film are increased, so that an outdoor heat exchanger is enabled to be frosted; after the outdoor heat exchanger is frosted, firstly,an electronic expansion valve is closed, and an electromagnetic valve on the low-pressure side of the compressor is closed after preset time; and the outdoor heat exchanger is heated, so that the outdoor heat exchanger is subjected to defrosting cleaning. According to the method, the self-cleaning efficiency of the outdoor heat exchanger can be increased, and the user experience is improved.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for an air conditioner. The self-cleaning control method for the air conditioner aims to solve the problems that the whole self-cleaning time is relatively long, and the normal experience of a user is influenced due to the fact that an existing self-cleaning control mode for an air conditioner is generally slow. According to the self-cleaning control method for the air conditioner, the air conditioner comprises a refrigerant circulating system and a solution circulating system which iscomposed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage tank. The self-cleaning control method comprises the steps that under a refrigeration working condition, the frequency of a compressor is reduced, and a four-way valve is reversed; the frequency of the compressor is increased, the rotating speed of an outdoor fan of the air conditioner is decreased,the rotating speed of the liquid pump is increased, and an outdoor heat exchanger is frosted; an electronic expansion valve is closed after the outdoor heat exchanger is frosted, and then an electromagnetic valve on the low-pressure side of the compressor is closed after a preset time; and the outdoor heat exchanger is heated, so that the outdoor heat exchanger is defrosted and cleaned. The self-cleaning control method has the advantages that the self-cleaning efficiency of the outdoor heat exchanger can be improved, and the user experience can be improved.

The invention belongs to the technical field of air conditioners, and aims to solve the problem that the self-cleaning control mode of the existing air conditioner is generally slow in frosting speed,so that the whole self-cleaning time is long, and the normal experience of users is affected. Therefore, the invention provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system which is composed of an indoor heat exchanger, an electronic expansion valve, an outdoor heat exchanger, a compressor and a four-way valve, and a solution circulation system which is composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage tank. The self-cleaning control method comprises the following steps ofreducing the opening degree of the electronic expansion valve and increasing the rotating speed of the liquid pump under a heating working condition to frost the outdoor heat exchanger; after the outdoor heat exchanger is frosted, closing the electronic expansion valve first, and then closing the electromagnetic valve on the low-pressure side of the compressor after a preset time passes; heating the outdoor heat exchanger to defrost and clean the outdoor heat exchanger. The self-cleaning control method can improve the self-cleaning efficiency of the outdoor heat exchanger and improve the userexperience.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method used for an air conditioner. The self-cleaning control method aims to solve the problem that an existing self-cleaning control mode used for an air conditioner is generally slow in frosting speed, consequently, the overall self-cleaning time is long, and normal experience of a user is affected. The air conditioner comprises a refrigerant circulation system and a solution circulation system. The self-cleaning control method comprises the steps that under the heating work conditions, thefrequency of the compressor is increased, the opening degree of an electronic expansion valve is decreased, the rotating speed of an outdoor fan of the air conditioner is decreased, the voltage of anindoor solution membrane and the voltage of an outdoor solution membrane are increased, and thus an outdoor heat exchanger is frosted; after the outdoor heat exchanger is frosted, the electronic expansion valve is closed firstly, and then an electromagnetic valve on the low-pressure side of the compressor is closed after the preset time; and the outdoor heat exchanger is heated, and thus the outdoor heat exchanger is subjected to defrosting cleaning. According to the self-cleaning control method, the self-cleaning efficiency of the outdoor heat exchanger can be improved, and the user experience is improved.

The invention belongs to the technical field of air conditioners and aims to solve the problem that the self-cleaning control mode of the existing air conditioners generally has a slow frosting speed, which leads to a long time for the entire self-cleaning and affects the normal experience of users. For this reason, the present invention provides a kind of self-cleaning control method that is used for air conditioner, and air conditioner comprises refrigerant circulation system and the solution circulation system that is made of indoor solution film, outdoor solution film, liquid pump and storage tank, self-cleaning control The method includes: reducing the opening of the electronic expansion valve, turning off the indoor fan of the air conditioner and increasing the speed of the liquid pump under cooling conditions, so that the indoor heat exchanger is frosted; after the indoor heat exchanger is frosted, first shut down The electronic expansion valve closes the solenoid valve on the low-pressure side of the compressor after a preset time; it heats the indoor heat exchanger, so that the indoor heat exchanger can be defrosted and cleaned. The invention can improve the self-cleaning efficiency of the indoor heat exchanger and improve user experience.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for an air conditioner. The problems of long time of whole self-cleaning and affecting thenormal experience of users due to the fact that a self-cleaning control mode of an existing air conditioner generally frosts slowly are solved. The air conditioner comprises a refrigerant circulationsystem and a solution circulation system, wherein the solution circulation system is composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage box. The self-cleaning control method includes the steps that under a working condition of heating, the frequency of a compressor is improved, the opening of an electronic expansion valve is reduced, and the voltageof the indoor solution film and the voltage of the outdoor solution film are improved, so that an outdoor heat exchanger is frosted; the electronic expansion valve is firstly closed after the outdoorheat exchanger frosts, and then a a solenoid valve on the low pressure side of the compressor is closed after the preset time; and the outdoor heat exchanger is heated, so that the outdoor heat exchanger performs defrosting and cleaning. The self-cleaning control method for the air conditioner can improve the self-cleaning efficiency of the outdoor heat exchanger and enhance the user experience.

The invention belongs to the technical field of air conditioners, and aims to solve the problem that the self-cleaning control mode of an existing air conditioner is generally relatively slow in frosting speed, so that the whole self-cleaning time is long, and the normal experience of a user is influenced. The invention provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system, wherein the self-cleaning control method comprises the following steps that the frequency of a compressor is reducedunder the heating working condition, a four-way valve is subjected to reversing, the frequency of the compressor is raised, the opening degree of an electronic expansion valve is reduced, so that thevoltage of an indoor solution film and the voltage of an outdoor solution film are raised, and therefore, an indoor heat exchanger is frosted. After the indoor heat exchanger is frosted, the electronic expansion valve is turned off, an electromagnetic valve at the low pressure side of the compressor is turned off after a preset time, and the indoor heat exchanger is heated, so that the indoor heat exchanger is subjected to defrosting cleaning. According to the self-cleaning control method, the self-cleaning efficiency of the indoor heat exchanger can be improved, and the experience of a useris improved.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for the air conditioner. The method aims to solve the problems that in general, an existing self-cleaning control mode of the air conditioner is low in frosting speed, so that the whole self-cleaning time is long, and the normal experience of a user is influenced. The air conditioner comprises a cold medium circulation system and a solution circulation system formed by an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage box; and the self-cleaning control method comprises the following steps that under a refrigeration working condition, the frequency of a compressor is reduced and a four-way valve is reversed; the frequency of the compressor is raised and the rotating speed of the liquid pump is raised so as to frosting an outdoor heat exchanger; after the outdoor heat exchanger is frosted, an electronic expansion valve is closed firstly, and then a solenoid valve on the low-pressure side of the compressor is closed after a preset period of time; and the outdoor heat exchanger is heated so as to defrosting and cleaning the outdoor heat exchanger. The method can improve the efficiency of self-cleaning on the outdoor heat exchanger and improve the user experience.

The invention belongs to the technical field of air conditioners, and provides a self-cleaning control method for an air conditioner to solve the problems that a self-cleaning control mode of an existing air conditioner is generally low in frosting speed, and consequently the whole self-cleaning time is long, and the normal experience of a user is influenced. The air conditioner comprises a refrigerant circulating system and a solution circulating system which is composed of an indoor solution film, an outdoor solution film, a liquid pump and a liquid storage tank. The self-cleaning control method comprises the steps: under the working condition of refrigeration, the frequency of a compressor is decreased, and a four-way valve is reversed; the frequency of the compressor is increased, thevoltage of the indoor solution film and the voltage of the outdoor solution film are increased, and thus an outdoor heat exchanger is frosted; after the outdoor heat exchanger is frosted, an electronic expansion valve is closed firstly, and then a solenoid valve on the low-voltage side of the compressor is closed after the preset time; and the outdoor heat exchanger is heated, and thus the outdoorheat exchanger is subjected to frosting cleaning. The self-cleaning efficiency of the outdoor heat exchanger can be improved, and the user experience is improved.

The invention discloses a fullness testing structure for a low temperature liquid storage tank. The fullness testing structure comprises a concentrated discharging pipe, a fullness testing pipe, a movable connector and a fullness testing circuit, wherein the fullness testing pipe is provided with a fullness testing valve, the part on the fullness testing pipe positioned above the fullness testing valve is a safety relief part, the part on the fullness testing pipe positioned below the fullness testing valve is a fullness testing part, and the safety relief part is connected with the concentrated discharging pipe through a safety valve group; the movable connector is communicated with the lower end of the fullness testing part; and an inlet of the fullness testing circuit is connected with the movable connector, and an outlet of the fullness testing circuit is also connected with the movable connector. With the fullness testing structure for the low temperature liquid storage tank, a worker can visually know whether the liquid in the low temperature liquid storage tank reaches the rated volume or not.

The invention belongs to the technical field of air conditioners, and aims to solve the problem that a self-cleaning control mode of an existing air conditioner is generally relatively slow in frosting speed, so that the whole self-cleaning time is long, and the normal experience of a user is influenced. The invention provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system, wherein the self-cleaning control method comprises the following steps that a compressor is subjected to speedstep under the heating working condition, a four-way valve is subjected to reversing, so that frequency of the compressor is raised, the opening degree of an electronic expansion valve is reduced, an indoor fan of the air conditioner is turned off and the rotating speed of a liquid pump is improved, and therefore an indoor heat exchanger is frosted. After the indoor heat exchanger is frosted, the electronic expansion valve is turned off, and an electromagnetic valve at the low pressure side of the compressor is turned off after a preset time; and the indoor heat exchanger is heated, so that the indoorheat exchanger is subjected to defrosting cleaning. The self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience is improved.

The invention belongs to the technical field of air conditioners, aims to solve the problem that by means of a self-cleaning control mode of an existing air conditioner, the frosting speed is generally slow, so that the whole self-cleaning time is long, and the normal experience of a user is influenced, and provides a self-cleaning control method for an air conditioner. The air conditioner comprises a refrigerant circulation system and a solution circulation system which is composed of an indoor solution membrane, an outdoor solution membrane, a liquid pump and a liquid storage tank. The self-cleaning control method comprises the steps that frequency reduction is carried out on a compressor under the heating working condition, reversing is carried out on a four-way valve, frequency raisingis carried out on the compressor, and the rotation speed of the liquid pump is improved, so that frosting is carried out on an indoor heat exchanger; after the indoor heat exchanger is frosted, an electronic expansion valve is closed, and then an electromagnetic valve at the low pressure side of the compressor is closed after preset time; and the indoor heat exchanger is heated, so that the indoor heat exchanger is subjected to defrosting cleaning. According to the method, the self-cleaning efficiency of the indoor heat exchanger can be improved, and the user experience is improved.