CN111140995A - Auxiliary device capable of reducing temperature and defrosting, air conditioner and control method of air conditioner - Google Patents
Auxiliary device capable of reducing temperature and defrosting, air conditioner and control method of air conditioner Download PDFInfo
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- CN111140995A CN111140995A CN202010003875.2A CN202010003875A CN111140995A CN 111140995 A CN111140995 A CN 111140995A CN 202010003875 A CN202010003875 A CN 202010003875A CN 111140995 A CN111140995 A CN 111140995A
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- defrosting
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- 238000010257 thawing Methods 0.000 title claims abstract description 108
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 239000003595 mist Substances 0.000 claims abstract description 86
- 238000001816 cooling Methods 0.000 claims abstract description 75
- 238000010438 heat treatment Methods 0.000 claims abstract description 73
- 239000007921 spray Substances 0.000 claims abstract description 26
- 238000005057 refrigeration Methods 0.000 claims abstract description 19
- 230000009467 reduction Effects 0.000 claims description 3
- 238000007791 dehumidification Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a cooling and defrosting auxiliary device, which is applied to an air inlet of an air conditioner outdoor unit and comprises: the water spray is arranged on an air inlet of the air conditioner external unit; the water mist controller is electrically connected with the water mist sprayer; the heating module is electrically connected with the water mist controller and communicated with the water mist sprayer. The auxiliary device capable of reducing temperature and defrosting provided by the invention can utilize the water spray sprayer to spray water spray to reduce the air inlet temperature outside the refrigerating chamber and improve the high-temperature refrigeration energy efficiency in the refrigeration mode; when the heating mode and the defrosting mode are used, the water spray sprayer and the heating module are started to spray high-temperature water flow to improve the air inlet temperature outside the heating chamber, inhibit the heating and defrosting speed and improve the defrosting efficiency; the air conditioner with the auxiliary device for cooling and defrosting is also provided, and the control method of the auxiliary device for cooling and defrosting using the auxiliary device for cooling and defrosting is also provided.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a cooling and defrosting auxiliary device, an air conditioner and a control method of the air conditioner.
Background
The air conditioner is a common household appliance in home, can provide cold air or warm air to the room, and provides convenience for life. However, in summer, the outdoor environment is high in temperature, and in refrigeration, the heat exchange temperature difference of an outdoor unit of the air conditioner is small, the condensation temperature is high, so that the indoor refrigeration effect is poor, and the energy efficiency is not high; when the air conditioner is operated in a low-temperature high-humidity environment for heating, the heat exchanger of the air conditioner outdoor unit is very easy to frost, and when defrosting is needed in time, the defrosting efficiency is low, the heat exchange effect is seriously influenced, and the comfort of indoor heating is influenced.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a cooling and defrosting auxiliary device with the functions of auxiliary cooling, heating and defrosting; the air conditioner with the auxiliary device for cooling and defrosting is also provided, and the control method of the auxiliary device for cooling and defrosting using the auxiliary device for cooling and defrosting is also provided.
A cooling and defrosting auxiliary device, a control method and an air conditioner are provided.
In order to achieve the purpose, the invention adopts the following scheme:
the utility model provides a cooling and defrosting auxiliary device, it is applied to on air condensing units's the air intake, includes:
the water mist sprayer is arranged on the air conditioner external unit;
the water mist controller is electrically connected with the water mist sprayer and is used for controlling the water mist sprayer to spray cold water to the air inlet of the air conditioner outdoor unit for auxiliary cooling or spray hot water for auxiliary defrosting;
and the heating module is electrically connected with the water mist controller, communicated with the water mist sprayer and used for heating cold water.
Further, the auxiliary device capable of reducing the temperature and defrosting comprises a water pump module, and the water pump module is electrically connected with the water mist controller and is communicated with the heating module and the water mist sprayer in series.
The invention also provides an air conditioner, which comprises an air conditioner outdoor unit, a compressor and the air inlet of the auxiliary device for cooling and defrosting.
The control method of the auxiliary device for cooling and defrosting is realized by using the auxiliary device for cooling and defrosting, and a water mist controller is electrically connected with an air conditioner controller; the control method comprises the following steps: the auxiliary cooling is carried out in a refrigeration mode through a cooling and defrosting auxiliary device; auxiliary heating is carried out in the heating mode through a temperature reduction and defrosting auxiliary device; the defrosting is assisted by the cooling and defrosting assisting device in the defrosting mode.
Further, the specific steps of assisting in cooling in the cooling mode by the cooling and defrosting assisting device are as follows:
s11, the air conditioner enters a refrigeration mode;
s12, detecting the outdoor environment temperature and feeding the outdoor environment temperature back to the water mist controller;
s13, judging whether the outdoor environment temperature is larger than or equal to a set outdoor temperature T1;
s14, if yes, controlling the water spray device to operate;
s15, when the water mist controller receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the outdoor environment temperature is less than or equal to the set outdoor temperature T2; wherein, T2 is T1-2 ℃;
s16, controlling the water spray device to close and stop working;
s17, otherwise, the water spray sprayer continues to operate.
Further, the auxiliary heating in the heating mode by the auxiliary device for cooling and defrosting comprises the following specific steps:
s21, the air conditioner enters a heating mode;
s22, detecting the outdoor environment temperature and feeding back the temperature of an outer pipe of a heat exchange pipe of the air conditioner outdoor unit to the water mist controller;
s23, judging whether the set outdoor temperature T3 is greater than or equal to the set outdoor temperature T4 and the temperature of an outer pipe of a heat exchange pipe of the air conditioner outdoor unit is less than or equal to the set outer pipe temperature Tw or not;
s24, if yes, controlling the heating module and the water mist sprayer to operate;
s25, when the water mist controller receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit is more than or equal to the set outer pipe temperature T5; or judging that the outdoor environment temperature is more than or equal to the set outdoor temperature T6; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit after the time is continuously t is equal to or lower than the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit detected in the step S22; wherein, the set outdoor temperature T5 is T3+2 ℃; setting the outdoor temperature T6 to be T4-2 ℃;
s26, controlling the heating module and the water mist sprayer to be closed and stop working;
s27, otherwise, the heating module and the water mist sprayer continue to operate.
Further, the specific steps of assisting in defrosting in the defrosting mode through the temperature reduction and defrosting assisting device are as follows:
s31, the air conditioner enters a defrosting mode;
s32, detecting whether the compressor is started or not;
s33, if yes, controlling the heating module and the water mist sprayer to operate;
s34, when the water mist controller receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit is more than or equal to the set outer pipe temperature T7; wherein the temperature T7 of the outer tube is set to be 3 ℃;
and S35, controlling the heating module and the water mist sprayer to be closed and stop working.
Further, the set outdoor temperature T1 was 43 ℃.
Further, the set outdoor temperature T3 is 5 ℃; the set outdoor temperature T4 was-5 ℃.
Further, when the outdoor temperature is within the range of (3 ℃ and T3), the set outer tube temperature Tw is-2 ℃; when the outdoor temperature range is (0 ℃ and 3 ℃), setting the temperature Tw of the outer pipe to be-4 ℃; when the outdoor temperature is within the range of (minus 3 ℃ and 0 ℃), setting the temperature Tw of the outer pipe to be minus 5 ℃; at an interval of the outdoor temperature [ T4, -3 ℃), the set outer pipe temperature Tw is equal to the outdoor ambient temperature detected in the step S22 minus 2 ℃.
Compared with the prior art, the invention has the following advantages:
the auxiliary device capable of reducing temperature and defrosting is installed on an air inlet of an air conditioner outdoor unit, and when in a refrigeration mode, a water mist controller is used for controlling a water mist sprayer to be opened, so that water mist is sprayed to reduce the air inlet temperature outside a refrigeration chamber, and the high-temperature refrigeration energy efficiency is improved; when the heating mode and the defrosting mode are used, the water mist controller is used for controlling the water mist sprayer and the heating module to be opened, high-temperature water flow is sprayed to improve the air inlet temperature outside the heating chamber, the heating frosting speed is inhibited, and the defrosting efficiency is improved.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is a perspective view of a cooling and defrosting support device of the present invention in an outdoor unit of an air conditioner.
Fig. 2 is a schematic view of the cooling and defrosting auxiliary device and the air conditioner according to the present invention.
Fig. 3 is a control diagram of a program when an air conditioner enters a cooling mode according to a control method of a cooling and defrosting assistance apparatus of the present invention.
Fig. 4 is a program control diagram of the method for controlling the cooling and defrosting auxiliary device according to the present invention when the air conditioner enters the heating mode.
Fig. 5 is a program control diagram of a control method of the cooling and defrosting auxiliary device according to the present invention when the air conditioner enters a defrosting mode.
The figure includes:
the system comprises a cooling and defrosting auxiliary device 10, a water mist sprayer 1, a water mist controller 2, a heating module 3, a water pump module 4, an air conditioner controller 5 and an air conditioner outdoor unit 6.
Detailed Description
The present application is further described in conjunction with the following examples.
Referring to fig. 1 to 5, an auxiliary device 10 for cooling and defrosting, which is applied to an air inlet of an outdoor unit 6 of an air conditioner, includes a water mist sprayer 1, a water mist controller 2, a heating module 3 and a water pump module 4. The water mist sprayer 1 is arranged on an air inlet of the air conditioner external unit; the water mist controller 2 is electrically connected with the water mist sprayer 1 and is used for controlling the water mist sprayer 1 to spray cold water to an air inlet of the air conditioner outdoor unit 6 for auxiliary cooling or spray hot water for auxiliary defrosting; the water mist control is connected with the air conditioner controller 5 for communication, can acquire the running state and parameters of the air conditioner, can also receive the instructions of the air conditioner, and can realize the regulation control of objects such as a nozzle, heating, water pumping and the like. This cooling and defrosting auxiliary device 10 reads parameter status function from the air conditioner, and possesses independent water smoke controller 2, to the air conditioner that possesses this cooling and defrosting auxiliary device 10, can carry out the on-off instruction to this cooling and defrosting auxiliary device 10, to the air conditioner that originally does not reserve this cooling and defrosting auxiliary device 10, also can install this cooling and defrosting auxiliary device 10 additional and realize the function. This water smoke sprinkler 1 includes adjustable nozzle, and this adjustable nozzle can adjust the delivery port size, can realize atomizing water and water spray switching and adjustable size, and the rotatable motor of nozzle support frame configuration can realize the nozzle orientation and adjust. The heating module 3 is electrically connected with the water mist controller 2 and communicated with the water mist sprayer 1, so that the water in the pipeline can be heated. The water pump module 4 with the water smoke controller 2 electric connection and with the heating module 3, the water smoke sprayer 1 intercommunication of establishing ties can realize getting water from the water source, can follow following one or more mode and get water: a. indoor side refrigeration condensed water; b. defrosting water outside the room; c. tap water; d. other available water sources.
The auxiliary device 10 capable of reducing temperature and defrosting is installed on an air inlet of an air conditioner outdoor unit 6, and when in a refrigerating mode, a water mist controller 2 is used for controlling a water mist sprayer 1 to be started, so that water mist is sprayed to reduce the air inlet temperature outside a refrigerating chamber, and the high-temperature refrigerating energy efficiency is improved; when the heating mode and the defrosting mode are used, the water mist controller 2 is used for controlling the water mist sprayer 1 and the heating module 3 to be opened, high-temperature water flow is sprayed to improve the air inlet temperature outside the heating chamber, the heating frosting speed is inhibited, and the defrosting efficiency is improved.
The invention also provides an air conditioner, which comprises an air conditioner outdoor unit 6 and a compressor, wherein the air conditioner outdoor unit 6 comprises a heat exchange pipe. The auxiliary device 10 for cooling and defrosting is also included. The auxiliary device 10 capable of reducing temperature and defrosting is arranged on an air conditioner outdoor unit 6, the water mist controller 2 is electrically connected with the air conditioner controller 5, the water mist sprayer 1 can be controlled to be started by the water mist controller 2 in a refrigeration mode, the inlet air temperature of the outer side of a refrigeration chamber is reduced by spraying water mist, and the high-temperature refrigeration energy efficiency is improved; when the heating mode and the defrosting mode are used, the water mist controller 2 is used for controlling the water mist sprayer 1 and the heating module 3 to be opened, high-temperature water flow is sprayed to improve the air inlet temperature outside the heating chamber, the heating frosting speed is inhibited, the defrosting efficiency is improved, and the integral reliability of the air conditioner is improved. The air conditioner has a cooling mode, a heating mode, a defrosting mode, an air supply mode, a dehumidification mode and the like.
The control method of the auxiliary device 10 for cooling and defrosting is realized by using the auxiliary device 10 for cooling and defrosting, and is electrically connected with the air conditioner controller 5 by using the water mist controller 2; the control method comprises the following steps:
the auxiliary cooling is carried out in the cooling mode through the auxiliary cooling and defrosting device 10; during high-temperature refrigeration, the water mist controller 2 can be controlled to spray atomized water at the air inlet side to reduce the air inlet temperature and increase the humidity, so that the heat exchange temperature difference and efficiency can be improved, the running power of the whole machine is reduced, and the refrigeration capacity and energy efficiency are improved; the specific steps of auxiliary cooling in the cooling mode by the cooling and defrosting auxiliary device 10 are as follows:
s11, the air conditioner enters a refrigeration mode.
S12, detecting the outdoor environment temperature through a temperature sensor and feeding the outdoor environment temperature back to the water mist controller 2.
S13, judging whether the outdoor environment temperature is larger than or equal to a set outdoor temperature T1; the set outdoor temperature T1 was 43 ℃.
And S14, if so, controlling the water mist sprayer 1 to operate. The nozzle is adjusted to be in a spraying state, the nozzle is opened, and the water pump module 4 is started to work according to a formulated mode.
If not, the process returns to step S11 to continue execution.
S15, when the water mist controller 2 receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the outdoor environment temperature is less than or equal to the set outdoor temperature T2; wherein, T2 is T1-2 ℃. The other modes include a heating mode, a defrosting mode, an air supply mode, and a dehumidification mode.
And S16, if any one condition is met, controlling the water spray sprayer 1 to be closed and stop working.
S17, otherwise, the water spray sprayer 1 continues to operate.
The auxiliary heating is carried out in the heating mode through the auxiliary cooling and defrosting device 10; in the heating process, in a certain temperature range and at the early stage of the frosting of the air conditioner, the water spray sprayer 1 is controlled to spray hot water flow to the outdoor heat exchanger, so that a surface frost layer can be effectively melted, certain heat is kept, the defrosting water is effectively discharged, the frosting inhibition effect is achieved, and the heating operation period is prolonged. The specific steps of auxiliary heating in the heating mode by the cooling and defrosting auxiliary device 10 are as follows:
and S21, the air conditioner enters a heating mode.
And S22, detecting the outdoor environment temperature through a temperature sensor, and feeding back the temperature of an outer pipe of a heat exchange pipe of the air conditioner outdoor unit 6 to the water mist controller 2.
S23, judging whether the set outdoor temperature T3 is greater than or equal to the set outdoor temperature T4 and the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit 6 is less than or equal to the set outer pipe temperature Tw or not; the set outdoor temperature T3 is 5 ℃; the set outdoor temperature T4 was-5 ℃.
S24, if yes, controlling the heating module 3 and the water mist sprayer 1 to operate; the nozzle is adjusted to be in a water flow state, the nozzle is opened, and then the water pump module 4 and the heating module 3 are started to work according to a formulated mode. If not, the process returns to step S21 to continue execution.
S25, when the water mist controller 2 receives a request of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit 6 is more than or equal to the set outer pipe temperature T5; or judging that the outdoor environment temperature is more than or equal to the set outdoor temperature T6; or judging that the temperature of the outer pipe of the heat exchange pipe of the outdoor unit 6 after the time t is continuously equal to or lower than the temperature of the outer pipe of the heat exchange pipe of the outdoor unit 6 detected in the step S22; wherein, the other modes refer to a refrigeration mode, a defrosting mode, an air supply mode and a dehumidification mode; setting the outdoor temperature T5 to be T3+2 ℃; setting the outdoor temperature T6 to be T4-2 ℃; when the outdoor temperature range is (3 ℃ and T3), the set outer tube temperature Tw is-2 ℃; when the outdoor temperature range is (0 ℃ and 3 ℃), setting the temperature Tw of the outer pipe to be-4 ℃; when the outdoor temperature is within the range of (minus 3 ℃ and 0 ℃), setting the temperature Tw of the outer pipe to be minus 5 ℃; in the section [ T4, -3) of the outdoor temperature, the set outer pipe temperature Tw is equal to the outdoor ambient temperature detected in the step S22 minus 2 ℃. The relationship between each section of the outdoor temperature and the set outer pipe temperature Tw is as follows:
s26, if any one condition is met, controlling the heating module 3 and the water mist sprayer 1 to be closed and stop working;
s27, otherwise, the heating module 3 and the water mist sprayer 1 continue to operate.
Defrosting is assisted in the defrosting mode by the cooling and defrosting assist device 10. When defrosting, the auxiliary device 10 for cooling and defrosting can be controlled to spray high-temperature water flow at the air inlet side to speed up the melting of the surface frost layer, so that the defrosting efficiency is improved. The specific steps of assisting in defrosting in the defrosting mode by the cooling and defrosting assisting device 10 are as follows:
s31, the air conditioner enters a defrosting mode;
s32, detecting whether the compressor is started or not;
s33, if yes, controlling the heating module 3 and the water mist sprayer 1 to operate; the nozzle is adjusted to be in a water flow state, the nozzle is opened, and then the water pump module 4 and the heating module 3 are started to work according to a formulated mode.
If not, the process returns to step S31 to continue execution.
S34, when the water mist controller 2 receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit 6 is more than or equal to the set outer pipe temperature T7; wherein the outer tube temperature T7 was set to 3 ℃. The other modes include a cooling mode, a heating mode, an air blowing mode, and a dehumidification mode.
And S35, controlling the heating module 3 and the water mist sprayer 1 to be closed and stop working.
By the control method of the cooling and defrosting auxiliary device 10, the water mist controller 2 can be used for controlling the water mist sprayer 1 to be started in a refrigerating mode, the water mist is sprayed to reduce the air inlet temperature outside the refrigerating chamber, and the high-temperature refrigerating energy efficiency is improved; when the heating mode and the defrosting mode are used, the water mist controller 2 is used for controlling the water mist sprayer 1 and the heating module 3 to be opened, high-temperature water flow is sprayed to improve the air inlet temperature outside the heating chamber, the heating frosting speed is inhibited, the defrosting efficiency is improved, and the integral reliability of the air conditioner is improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. The utility model provides a cooling and defrosting auxiliary device which is applied to on air condensing units's the air intake, its characterized in that includes:
the water spray sprayer is arranged on an air inlet of the air conditioner external unit;
the water mist controller is electrically connected with the water mist sprayer and is used for controlling the water mist sprayer to spray cold water to the air inlet of the air conditioner outdoor unit for auxiliary cooling or spray hot water for auxiliary defrosting;
and the heating module is electrically connected with the water mist controller, communicated with the water mist sprayer and used for heating cold water.
2. The auxiliary device for cooling and defrosting according to claim 1, wherein the auxiliary device for cooling and defrosting comprises a water pump module, and the water pump module is electrically connected with the water mist controller and is communicated with the heating module and the water mist sprayer in series.
3. An air conditioner comprising an outdoor unit of the air conditioner and a compressor, further comprising the cooling and defrosting auxiliary device according to any one of claims 1 to 2.
4. A control method of a cooling and defrosting auxiliary device is characterized by being realized by using the cooling and defrosting auxiliary device as claimed in any one of claims 1 to 2, and electrically connecting a water mist controller with an air conditioner controller; the control method comprises the following steps: the auxiliary cooling is carried out in a refrigeration mode through a cooling and defrosting auxiliary device; auxiliary heating is carried out in the heating mode through a temperature reduction and defrosting auxiliary device; the defrosting is assisted by the cooling and defrosting assisting device in the defrosting mode.
5. The method for controlling the cooling and defrosting auxiliary device according to claim 4, wherein the cooling is assisted by the cooling and defrosting auxiliary device in the cooling mode by the following specific steps:
s11, the air conditioner enters a refrigeration mode;
s12, detecting the outdoor environment temperature and feeding the outdoor environment temperature back to the water mist controller;
s13, judging whether the outdoor environment temperature is larger than or equal to a set outdoor temperature T1;
s14, if yes, controlling the water spray device to operate;
s15, when the water mist controller receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the outdoor environment temperature is less than or equal to the set outdoor temperature T2; wherein, T2 is T1-2 ℃;
s16, controlling the water spray device to close and stop working;
s17, otherwise, the water spray sprayer continues to operate.
6. The method for controlling the cooling and defrosting assistance device according to claim 4, wherein the heating assistance by the cooling and defrosting assistance device in the heating mode comprises the following specific steps:
s21, the air conditioner enters a heating mode;
s22, detecting the outdoor environment temperature and feeding back the temperature of an outer pipe of a heat exchange pipe of the air conditioner outdoor unit to the water mist controller;
s23, judging whether the set outdoor temperature T3 is greater than or equal to the set outdoor temperature T4 and the temperature of an outer pipe of a heat exchange pipe of the air conditioner outdoor unit is less than or equal to the set outer pipe temperature Tw or not;
s24, if yes, controlling the heating module and the water mist sprayer to operate;
s25, when the water mist controller receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit is more than or equal to the set outer pipe temperature T5; or judging that the outdoor environment temperature is more than or equal to the set outdoor temperature T6; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit after the time is continuously t is equal to or lower than the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit detected in the step S22; wherein, the set outdoor temperature T5 is T3+2 ℃; setting the outdoor temperature T6 to be T4-2 ℃;
s26, controlling the heating module and the water mist sprayer to be closed and stop working;
s27, otherwise, the heating module and the water mist sprayer continue to operate.
7. The method for controlling a device for assisting in cooling and defrosting according to claim 4, wherein the specific steps of assisting in defrosting by the device for assisting in cooling and defrosting in the defrosting mode are as follows:
s31, the air conditioner enters a defrosting mode;
s32, detecting whether the compressor is started or not;
s33, if yes, controlling the heating module and the water mist sprayer to operate;
s34, when the water mist controller receives the requirement of closing the air conditioner; or receiving a compressor shutdown; or receiving the operation of the air conditioner in other modes; or judging that the temperature of the outer pipe of the heat exchange pipe of the air conditioner outdoor unit is more than or equal to the set outer pipe temperature T7; wherein the temperature T7 of the outer tube is set to be 3 ℃;
and S35, controlling the heating module and the water mist sprayer to be closed and stop working.
8. The control method of a cooling and defrosting assistance apparatus according to claim 5, wherein the set outdoor temperature T1 is 43 ℃.
9. The method for controlling a cooling and defrosting assistance device according to claim 8, wherein the set outdoor temperature T3 is 5 ℃; the set outdoor temperature T4 was-5 ℃.
10. The method for controlling a cooling and defrosting assistance device according to claim 9, wherein the set outer tube temperature Tw is-2 ℃ at an outdoor temperature range [ 3 ℃, T3 ]; when the outdoor temperature range is (0 ℃ and 3 ℃), setting the temperature Tw of the outer pipe to be-4 ℃; when the outdoor temperature is within the range of (minus 3 ℃ and 0 ℃), setting the temperature Tw of the outer pipe to be minus 5 ℃; at an interval of the outdoor temperature [ T4, -3 ℃), the set outer pipe temperature Tw is equal to the outdoor ambient temperature detected in the step S22 minus 2 ℃.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010003875.2A CN111140995A (en) | 2020-01-03 | 2020-01-03 | Auxiliary device capable of reducing temperature and defrosting, air conditioner and control method of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010003875.2A CN111140995A (en) | 2020-01-03 | 2020-01-03 | Auxiliary device capable of reducing temperature and defrosting, air conditioner and control method of air conditioner |
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| CN106016498A (en) * | 2016-05-20 | 2016-10-12 | 无锡职业技术学院 | Cooling defrosting device for air conditioner outdoor unit |
| CN108758864A (en) * | 2018-06-29 | 2018-11-06 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and defrosting method thereof |
| CN109282371A (en) * | 2018-08-21 | 2019-01-29 | 平安科技（深圳）有限公司 | The micro- mist cooling energy-saving structure of air-conditioning |
| CN209341422U (en) * | 2018-04-13 | 2019-09-03 | 佛山市顺德区温宝科技有限公司 | A kind of air-conditioner humidifying cooling system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016498A (en) * | 2016-05-20 | 2016-10-12 | 无锡职业技术学院 | Cooling defrosting device for air conditioner outdoor unit |
| CN209341422U (en) * | 2018-04-13 | 2019-09-03 | 佛山市顺德区温宝科技有限公司 | A kind of air-conditioner humidifying cooling system |
| CN108758864A (en) * | 2018-06-29 | 2018-11-06 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and defrosting method thereof |
| CN109282371A (en) * | 2018-08-21 | 2019-01-29 | 平安科技（深圳）有限公司 | The micro- mist cooling energy-saving structure of air-conditioning |
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