CN113483388B - Air conditioner heat dissipation control method, air conditioner heat dissipation system and air conditioner - Google Patents
Air conditioner heat dissipation control method, air conditioner heat dissipation system and air conditioner Download PDFInfo
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- CN113483388B CN113483388B CN202110725574.5A CN202110725574A CN113483388B CN 113483388 B CN113483388 B CN 113483388B CN 202110725574 A CN202110725574 A CN 202110725574A CN 113483388 B CN113483388 B CN 113483388B
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located 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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
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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
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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
- F24F11/70—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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner heat dissipation control method, an air conditioner heat dissipation system and an air conditioner, wherein the air conditioner heat dissipation system comprises a water tank, a water pump, a heat dissipation water pipe and a heat exchange water pipe which are sequentially communicated, the water tank is used for containing condensed water generated by an indoor coil pipe, the heat dissipation water pipe is connected with an electric control part and used for carrying out water-cooling heat dissipation on the electric control part, and the heat exchange water pipe is matched with an outdoor coil pipe and used for carrying out heat exchange on the outdoor coil pipe; the air conditioner heat dissipation system can sequentially carry out water-cooling heat dissipation on the electric control component and heat exchange on the outdoor coil pipe; on one hand, the invention fully utilizes the cold energy in the low-temperature condensed water to reduce the loss and waste of the cold energy, on the other hand, the condensed water can preferentially carry out water-cooling heat dissipation on the electric control component, and the electric control component can be effectively dissipated in time under certain extreme high-temperature conditions, thereby fully meeting the heat dissipation requirement of the electric control component.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner heat dissipation control method, an air conditioner heat dissipation system and an air conditioner.
Background
The air conditioner is indispensable electrical equipment in people's daily life, has diversified structural style. With the continuous improvement of the industrial design level and the application of new processes, new materials, new shapes and new technologies to air conditioners, various air conditioner indoor units are developed, and corresponding structural optimization and function optimization are also carried out on the air conditioner outdoor unit.
The common outdoor unit of the air conditioner is often provided with an electric control component, but the electric control component can generate certain heat in the use process of the air conditioner, meanwhile, the outdoor unit of the air conditioner is exposed to the external environment, particularly in the seasons needing refrigeration (or dehumidification), due to the high-temperature insolation outside and the refrigeration (or dehumidification) operation of the air conditioner, the temperature of the electric control component in the unit is often in a high-temperature state, the failure of components and parts is easily caused due to overhigh temperature, the fault of the air conditioner is caused, customer complaints are caused, and therefore a corresponding heat dissipation structure needs to be designed in a matched mode.
In the prior art, the electronic control component is often radiated by using condensed water generated by the indoor unit. For example: the prior patent application CN111023473A discloses a heat dissipation device applied to an air conditioner controller, which dissipates heat by flowing the condensed water of an indoor unit of an air conditioner into a first heat exchange pipeline to absorb heat from an outdoor heat exchanger and then into a second heat exchange pipeline. Although the patent utilizes the condensed water to radiate the electric control part, the trend of the condensed water is adjusted mainly by detecting the temperature of the condensed water, and the control on the temperature of the condensed water is emphasized; the actual operation condition of the electric control component and the actual operation environment of the electric control component are not involved, so that the heat dissipation control process of the patent is difficult to carry out according to the actual operation condition of the electric control component, the accuracy of heat dissipation control of the electric control component is not improved easily, and in extreme conditions (such as overhigh temperature and high temperature of the electric control component), the electric control component is difficult to dissipate heat timely and effectively, and high-temperature faults of the electric control component can be caused.
Disclosure of Invention
In view of the above, the present invention is directed to an air conditioner heat dissipation control method, an air conditioner heat dissipation system, and an air conditioner, so as to solve the problems of poor timeliness and effectiveness in the heat dissipation control process of an electric control component in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
an air conditioner heat dissipation system comprises a water tank, a water pump, a heat dissipation water pipe and a heat exchange water pipe which are sequentially communicated, wherein the water tank is used for containing condensed water generated by an indoor coil pipe, the heat dissipation water pipe is connected with an electric control part and used for carrying out water-cooling heat dissipation on the electric control part, and the heat exchange water pipe is matched with an outdoor coil pipe and used for carrying out heat exchange on the outdoor coil pipe; the air conditioner heat dissipation system can sequentially carry out water-cooling heat dissipation on the electric control component and heat exchange on the outdoor coil pipe; the utility model discloses a heat dissipation device, including the automatically controlled part, the automatically controlled part is connected with the delivery port of water tank, the delivery port intercommunication of the import of water pump and water tank, the import connection of water pump export through first water pipe and heat dissipation water pipe, the import connection of second water pipe and heat transfer water pipe is passed through in the export of heat dissipation water pipe to on the one hand make the comdenstion water can carry out the water-cooling heat dissipation to automatically controlled part in proper order, carry out the heat transfer to outdoor coil pipe, the cold volume of make full use of in the low temperature condensation water reduces cold volume's loss and waste, on the other hand makes the comdenstion water can be preferred carries out the water-cooling heat dissipation to automatically controlled part, can in time dispel the heat to automatically controlled part effectively under some extreme high temperature circumstances, fully satisfy the heat dissipation capacity demand of automatically controlled part.
Further, the air-conditioning heat dissipation system comprises a first refrigerant pipe, a heat dissipation refrigerant pipe and a second refrigerant pipe which are sequentially communicated, wherein an inlet of the first refrigerant pipe is connected with a refrigerant outlet of the outdoor coil pipe, an outlet of the second refrigerant pipe is connected with a refrigerant inlet of the indoor coil pipe, and the heat dissipation refrigerant pipe is connected with the electric control component and used for the electric control component to dissipate heat of the refrigerant; therefore, the air-conditioning heat dissipation system is additionally provided with the refrigerant heat dissipation structure on the basis of the water-cooling related structure, can perform water-cooling heat dissipation and refrigerant heat dissipation on the electric control component at the same time, is favorable for fully meeting the heat dissipation capacity requirement of the electric control component, improves the timely effectiveness of heat dissipation of the electric control component, and further avoids high-temperature faults of the electric control component.
Further, the heat exchange water pipe is provided with the sprayer, and the outer wall of the outdoor coil pipe is sprayed with condensed water through the sprayer, so that the air cooling process and the air flowing condition of the outdoor coil pipe cannot be influenced, the cooling strength of the outdoor coil pipe is favorably improved, and the heat exchange efficiency of the outdoor coil pipe is improved.
Furthermore, the electric control component is provided with a temperature detection device, and the outdoor unit of the air conditioner is provided with an environment temperature detection device, so that the flow condition of condensed water can be timely regulated and controlled by the heat dissipation system according to the real-time operation condition of the electric control component, particularly the real-time temperature of the electric control component and the real-time temperature of the external environment, the heat dissipation requirement of the electric control component is met, and the accuracy of heat dissipation control on the electric control component is improved; meanwhile, under the condition of certain extreme high temperature, the heat of the electric control component can be effectively dissipated in time, and the high-temperature fault of the electric control component is avoided.
An air conditioner heat dissipation control method is applied to the air conditioner heat dissipation system, and comprises the following steps: s1, operating an air conditioner, and detecting the outdoor environment temperature Tao and the operating temperature Tc of the electric control component in real time; s2, judging whether Tao is less than or equal to a first preset temperature T1; if yes, executing a first heat dissipation control process; if not, go to step S3; s3, judging whether Tao is larger than or equal to a second preset temperature T2; if yes, executing a third heat dissipation control process; if not, executing a second heat dissipation control process. Wherein T1 is more than 33 ℃ and less than or equal to 35 ℃, T2 is more than 35 ℃ and less than or equal to 38 ℃; the first heat dissipation control process includes: when Tc is less than or equal to a third preset temperature T3, controlling the water pump to be closed; when Tc is more than or equal to a fourth preset temperature T4, controlling the water pump to be started; when T3 is more than Tc and less than T4, the water pump is controlled to keep the current running state; the second heat dissipation control process is to control the water pump to keep the current running state; the third heat dissipation control process is to control the water pump to be started; preferably, the temperature is more than 70 ℃ and less than T3 and less than or equal to 75 ℃, and the temperature is more than 75 ℃ and less than T4 and less than or equal to 80 ℃; therefore, the air conditioner heat dissipation control method can identify the environmental scene which may induce the over-high temperature rise of the electric control component in time by comprehensively analyzing and processing the outdoor environment temperature Tao and the running temperature Tc of the electric control component, and realize the timely control of the water cooling heat dissipation of the electric control component, so as to meet the heat dissipation capacity requirement of the electric control component and improve the accuracy of the heat dissipation control of the electric control component; meanwhile, under the condition of certain extreme high temperature, the heat of the electric control component can be effectively dissipated in time, and the high-temperature fault of the electric control component is avoided.
An air conditioner comprises the air conditioner heat dissipation system.
Compared with the prior art, the air conditioner heat dissipation control method, the air conditioner heat dissipation system and the air conditioner have the following advantages:
according to the air conditioner heat dissipation control method, the air conditioner heat dissipation system and the air conditioner, the air conditioner heat dissipation system can be used for sequentially carrying out water-cooling heat dissipation on the electric control component and carrying out heat exchange on the outdoor coil pipe, on one hand, condensed water generated by the indoor unit can be used for sequentially carrying out water-cooling heat dissipation on the electric control component and carrying out heat exchange on the outdoor coil pipe, the cold quantity in low-temperature condensed water is fully utilized, the loss and waste of the cold quantity are reduced, on the other hand, the condensed water can be used for preferentially carrying out water-cooling heat dissipation on the electric control component, the electric control component can be timely and effectively dissipated under the condition of certain extreme high temperature, and the heat dissipation quantity requirement of the electric control component is fully met.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an air conditioner cooling system according to an embodiment of the present invention.
Description of reference numerals:
1. a water tank; 2. a water pump; 3. a first water pipe; 4. an electrical control component; 41. a temperature detection device; 5. a heat dissipation water pipe; 6. a second water pipe; 7. a heat exchange water pipe; 71. a sprayer; 8. a first refrigerant pipe; 9. a heat-dissipating refrigerant pipe; 10. a second refrigerant pipe; 11. a branch water pipe; 12. a bypass water valve.
Detailed Description
The inventive concepts of the present disclosure will be described hereinafter using terms commonly employed by those skilled in the art to convey the substance of their work to others skilled in the art. These inventive concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. Meanwhile, the term "water" in the present application refers to condensed water generated from the indoor unit, and the term "refrigerant" refers to a conventional air conditioning refrigerant, such as freon, hydrocarbon refrigerant, and the like. The hollow triangle arrow in the attached drawings of the application refers to the flowing direction of a refrigerant, and the line arrow refers to the flowing direction of condensed water.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
When the prior art air conditioner operates in a season (such as summer) needing refrigeration/dehumidification, the condensate water generated by an indoor unit is often utilized to dissipate heat of an electric control component; however, in the prior art, it is often difficult to perform a heat dissipation control process according to the actual operation condition of the electronic control component, which is not only disadvantageous to improve the accuracy of heat dissipation control of the electronic control component, but also difficult to effectively dissipate heat of the electronic control component in time under extreme conditions (such as the conditions of over-high temperature, extremely high temperature, etc. of the electronic control component), which may lead to high temperature failure of the electronic control component.
In order to solve the problems of poor accuracy, poor timeliness and effectiveness and the like in the heat dissipation control process of an electric control component in the prior art, the embodiment provides an air conditioner heat dissipation system, which is used for dissipating heat of an electric control component 4 of an air conditioner and exchanging heat with an outdoor coil of the air conditioner; as shown in the attached drawing 1, the air-conditioning heat dissipation system comprises a water tank 1, a water pump 2, a heat dissipation water pipe 5 and a heat exchange water pipe 7 which are sequentially communicated.
The water tank 1 has a certain water storage space for collecting and containing condensed water generated by the indoor coil. Specifically, water tank 1 can set up under indoor coil pipe for during the comdenstion water can automatic drippage to water tank 1, also can be with water tank 1 and conventional air conditioning indoor set water collector intercommunication, during the comdenstion water falls into the water collector from indoor coil pipe, gets into water tank 1 afterwards. Certainly, in the process that the condensed water enters the water tank 1, the condensed water can automatically flow into the water tank 1 through a pipeline, or the condensed water can be pumped into the water tank 1 through the pump body; meanwhile, the water tank 1 is not limited to be arranged in an indoor unit of an air conditioner, can be arranged in an outdoor unit of the air conditioner, can be arranged outside the whole air conditioner, and can be communicated with a related pipeline structure of the air conditioner as an independent structure.
The water pump 2 is used for providing power for the flow of condensed water; preferably, the water pump 2 is also capable of adjusting the flow rate of the condensed water.
The heat dissipation water pipe 5 is connected with the electric control part 4 and is used for performing water-cooling heat dissipation on the electric control part 4 by utilizing the relatively low temperature of condensed water; preferably, the heat dissipation water pipe 5 is attached to the heat exchange fins of the electric control component 4, and water cooling heat dissipation of the electric control component 4 is achieved through heat exchange and conduction.
The heat exchange water pipe 7 is matched with the outdoor coil pipe and is used for exchanging heat of the outdoor coil pipe by utilizing the relatively low temperature of the condensed water; the heat exchange water pipe 7 can be attached to an outdoor coil pipe to perform conventional dividing wall type heat exchange, and condensed water can flow to the outside of the air conditioner outdoor unit through an outlet of the heat exchange water pipe 7 after heat exchange; heat exchange water pipe 7 also can set up spray thrower 71, spray the comdenstion water to outdoor coil pipe outer wall through spray thrower 71, the air-cooled process and the air flow condition that not only can not influence outdoor coil pipe like this, and be favorable to improving the cooling intensity to outdoor coil pipe, improve the heat exchange efficiency to outdoor coil pipe, spray thrower 71 can regard as the delivery port of heat exchange water pipe 7 simultaneously, spun comdenstion water is evaporated by outdoor coil pipe, if there is unnecessary comdenstion water, can collect the outdoor machine bottom of air conditioner, and it is outside to flow to the outdoor machine of air conditioner.
To the particular case of tube coupling, as shown in figure 1, the import of water pump 2 and the delivery port intercommunication of water tank 1, the export of water pump 2 is through the access connection of first water pipe 3 with heat dissipation water pipe 5, the access connection of second water pipe 6 with heat transfer water pipe 7 is passed through in the export of heat dissipation water pipe 5, makes the comdenstion water can carry out the water-cooling heat dissipation to electrical control component 4 in proper order on the one hand, carries out the heat transfer to outdoor coil pipe, the cold volume in the make full use of low temperature condensation aquatic reduces the loss and the waste of cold volume, and on the other hand makes the comdenstion water can be preferred carries out the water-cooling heat dissipation to electrical control component 4, can in time dispel the heat to electrical control component 4 effectively under some extreme high temperature circumstances, fully satisfies electrical control component 4's heat dissipation capacity demand.
In addition, the electric control component 4 is provided with a temperature detection device 41 for detecting the operating temperature of the electric control component 4 in real time; the air conditioner outdoor unit is provided with an environment temperature detection device for detecting the temperature of the external environment in real time; the related temperature detection devices are all conventional temperature detection instruments, and are not described herein.
For the heat dissipation system, on the basis of the structure, the heat dissipation system can timely regulate and control the flowing condition of the condensed water according to the real-time operation condition of the electric control component 4, particularly the real-time temperature of the electric control component 4 and the real-time temperature of the external environment, so as to meet the heat dissipation requirement of the electric control component 4 and improve the accuracy of heat dissipation control of the electric control component 4; meanwhile, under the condition of certain extreme high temperature, the heat of the electric control component 4 can be effectively dissipated in time, and the high-temperature fault of the electric control component 4 is avoided.
Preferably, on the basis of the heat dissipation system, a refrigerant heat dissipation structure can be continuously added; namely, the air-conditioning heat dissipation system also comprises a first refrigerant pipe 8, a heat dissipation refrigerant pipe 9 and a second refrigerant pipe 10 which are sequentially communicated, wherein an inlet of the first refrigerant pipe 8 is connected with a refrigerant outlet of the outdoor coil pipe, an outlet of the second refrigerant pipe 10 is connected with a refrigerant inlet of the indoor coil pipe, and the heat dissipation refrigerant pipe 9 is connected with the electric control component 4 and is used for performing refrigerant heat dissipation on the electric control component 4 by using a low-temperature refrigerant; preferably, the heat dissipation refrigerant pipe 9 is attached to the heat exchange fins of the electric control component 4, and heat dissipation of the refrigerant of the electric control component 4 is realized through heat exchange and conduction; therefore, the air-conditioning heat dissipation system is additionally provided with the refrigerant heat dissipation structure on the basis of the water-cooling related structure, and can perform water-cooling heat dissipation and refrigerant heat dissipation on the electric control component 4 at the same time, so that the heat dissipation capacity requirement of the electric control component 4 is fully met, the timely effectiveness of heat dissipation on the electric control component 4 is improved, and the high-temperature fault of the electric control component 4 is further avoided.
Meanwhile, considering the condition that the external environment is relatively suitable and the electric control component 4 continuously keeps a normal operation environment, the water-cooling heat dissipation of the electric control component 4 is not needed, and the heat exchange of an outdoor coil is also not needed; at this time, the water tank 1 may further be provided with a drain port through which condensed water is drained to the environment of the ring portion, which belongs to conventional natural drainage of an air conditioner and is similar to an existing air conditioner condensed water drainage structure, and thus, the detailed description is omitted.
In addition, in consideration of the situation that the electric control component 4 continuously keeps a normal operation environment, the electric control component 4 does not need to be subjected to water cooling heat dissipation, and only the outdoor coil pipe is subjected to heat exchange; specifically, a corresponding valve is arranged in the first water pipe 3, the air-conditioning heat dissipation system further comprises a branch water pipe 11, an inlet of the branch water pipe 11 is communicated with an outlet of the water pump 2, an outlet of the branch water pipe 11 is connected with the second water pipe 6, and a branch water valve 12 is arranged in the branch water pipe 11; thereby setting up of branch road water pipe 11 and relevant valve for water pump 2 is behind the pump-out comdenstion water, and the comdenstion water can not flow through automatically controlled part 4, but through branch road water pipe 11 direct flow to heat transfer water pipe 7, makes the air conditioner cooling system of this application can also realize need not to carry out the water-cooling heat dissipation to automatically controlled part 4, only carries out the function of heat transfer to outdoor coil pipe.
The air-conditioning heat dissipation system comprises an electric control module, and the electric control module is at least connected with the water pump 2, the temperature detection device 41 and the environment temperature detection device; on the basis of the air-conditioning heat dissipation system, the application also provides an air-conditioning heat dissipation control method, which is applied to the air-conditioning heat dissipation system, and the method comprises the following steps:
s1, operating the air conditioner, and detecting the outdoor environment temperature Tao and the operating temperature Tc of the electric control component 4 in real time;
specifically, the air conditioner can detect the outdoor environment temperature Tao in real time through the environment temperature detection device, and detect the operation temperature Tc of the electric control component 4 in real time through the temperature detection device 41; the operating temperature Tc of the electronic control component 4 may refer to the temperature of the electronic control chip, or may refer to the operating temperature of other electronic control components.
S2, judging whether Tao is less than or equal to a first preset temperature T1; if yes, executing a first heat dissipation control process; if not, go to step S3;
wherein T1 is more than 33 ℃ and less than or equal to 35 ℃; if Tao is less than or equal to T1, it indicates that the external environment is appropriate, the heat dissipation of the outdoor unit can be kept normal, and the electric control component 4 can also continuously keep a normal operating environment; the first heat dissipation control process is to control the running state of the water pump 2 according to Tc; specifically, the first heat dissipation control process includes: when Tc is less than or equal to a third preset temperature T3, the water pump 2 is controlled to be closed, and natural drainage is performed through an air conditioner; when Tc is more than or equal to a fourth preset temperature T4, the water pump 2 is controlled to be started to enhance heat dissipation; and when T3 is more than Tc and less than T4, controlling the water pump 2 to keep the current running state, and reducing the frequent start and stop of the water pump 2.
Preferably, the temperature is 70 ℃ to less than T3 and less than or equal to 75 ℃; if Tc is less than or equal to T3, it is indicated that the heat dissipation of the electric control component 4 is in a normal state, and meanwhile, the temperature requirement of the electric control component 4 required by high-efficiency operation can be fully met, and additional heat dissipation of the electric control component 4 is not required; t4 is more than 75 ℃ and less than or equal to 80 ℃; if Tc is greater than or equal to T4, it is indicated that the temperature of the electronic control component 4 is relatively high, which not only makes it difficult to meet the temperature requirement for efficient operation of the electronic control component 4, but also causes high-temperature damage to the electronic control component 4, which affects the service life of the electronic control component 4, and requires timely water cooling of the electronic control component 4.
S3, judging whether Tao is larger than or equal to a second preset temperature T2; if yes, executing a third heat dissipation control process; if not, executing a second heat dissipation control process.
Wherein T2 is more than 35 ℃ and less than or equal to 38 ℃; if Tao is more than or equal to T2, it indicates that the current operation condition of the outdoor unit is easily affected by the outdoor environment temperature, and the conditions of too high temperature rise of the electric control component 4 and insufficient heat dissipation of the outdoor unit easily occur; the third heat dissipation control process is to control the water pump 2 to be started no matter how large the Tc is, so as to enhance the heat dissipation. The second heat dissipation control process is to control the water pump 2 to keep the current running state no matter how large Tc is, so that the frequent opening and closing of the water pump 2 is reduced.
Therefore, the air conditioner heat dissipation control method can identify the environmental scene which may induce the over-high temperature rise of the electric control component in time by comprehensively analyzing and processing the outdoor environment temperature Tao and the running temperature Tc of the electric control component 4, and realize the timely control of the water cooling heat dissipation of the electric control component 4, so as to meet the heat dissipation capacity requirement of the electric control component 4 and improve the accuracy of the heat dissipation control of the electric control component 4; meanwhile, under the condition of certain extreme high temperature, the heat of the electric control component 4 can be effectively dissipated in time, and the high-temperature fault of the electric control component 4 is avoided.
The air conditioner comprises the air conditioner heat dissipation system, and the air conditioner heat dissipation control method can also be adopted; the air conditioner further comprises a computer readable storage medium and a processor, wherein a computer program is stored in the computer readable storage medium, and when the computer program is read and run by the processor, the control method is implemented, and in addition, other specific component structures of the air conditioner can comprise structures (such as conventional components of the air conditioner, such as a fan, a heat exchange coil, a four-way valve, a compressor and the like) shown in fig. 1, and can also refer to other air conditioner structures in the prior art, which is not described herein again. Meanwhile, the application also provides a computer readable storage medium, wherein a computer program is stored in the computer readable storage medium, and when the computer program is read and executed by a processor, the control method is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The heat dissipation control method of the air conditioner heat dissipation system is characterized by comprising a water tank (1), a water pump (2), a heat dissipation water pipe (5) and a heat exchange water pipe (7) which are sequentially communicated, wherein the water tank (1) is used for containing condensed water generated by an indoor coil pipe, the heat dissipation water pipe (5) is connected with an electric control part (4) and is used for carrying out water-cooling heat dissipation on the electric control part (4), and the heat exchange water pipe (7) is matched with an outdoor coil pipe and is used for carrying out heat exchange on the outdoor coil pipe; the air conditioner heat dissipation system can sequentially perform water cooling heat dissipation on the electric control component (4) and perform heat exchange on the outdoor coil; the heat dissipation control method comprises the following steps:
s1, operating the air conditioner, and detecting the outdoor environment temperature Tao and the operating temperature Tc of the electric control component (4) in real time;
s2, judging whether Tao is less than or equal to a first preset temperature T1; if yes, controlling the running state of the water pump (2) according to Tc; if not, go to step S3;
s3, judging whether Tao is larger than or equal to a second preset temperature T2; if yes, controlling the water pump (2) to be started; if not, controlling the water pump (2) to keep the current running state;
in step S2, if Tao ≦ T1, then perform: when Tc is less than or equal to a third preset temperature T3, the water pump (2) is controlled to be closed; when Tc is more than or equal to a fourth preset temperature T4, the water pump (2) is controlled to be started; when T3 < Tc < T4, the water pump (2) is controlled to maintain the current operation state.
2. The heat dissipation control method of the air conditioning heat dissipation system according to claim 1, wherein an inlet of the water pump (2) is communicated with an outlet of the water tank (1), an outlet of the water pump (2) is connected with an inlet of the heat dissipation water pipe (5) through a first water pipe (3), and an outlet of the heat dissipation water pipe (5) is connected with an inlet of the heat exchange water pipe (7) through a second water pipe (6).
3. The heat dissipation control method of the air-conditioning heat dissipation system according to claim 1, wherein the air-conditioning heat dissipation system comprises a first refrigerant pipe (8), a heat dissipation refrigerant pipe (9), and a second refrigerant pipe (10) which are sequentially communicated, an inlet of the first refrigerant pipe (8) is connected with a refrigerant outlet of the outdoor coil, an outlet of the second refrigerant pipe (10) is connected with a refrigerant inlet of the indoor coil, and the heat dissipation refrigerant pipe (9) is connected with the electronic control unit (4) and used for the electronic control unit (4) to dissipate heat of the refrigerant.
4. The heat dissipation control method of the air conditioning heat dissipation system according to claim 1, wherein a sprayer (71) is disposed on the heat exchange water pipe (7), and condensed water is sprayed to the outer wall of the outdoor coil through the sprayer (71).
5. The heat dissipation control method of claim 1, wherein the electronic control unit (4) is provided with a temperature detection device (41), and the outdoor unit of the air conditioner is provided with an ambient temperature detection device.
6. The heat dissipation control method of the heat dissipation system of an air conditioner as recited in claim 1, wherein the temperature is 33 ℃ < T1 ≤ 35 ℃, and the temperature is 35 ℃ < T2 ≤ 38 ℃.
7. The heat dissipation control method of the heat dissipation system of an air conditioner as recited in claim 1, wherein the temperature is 70 ℃ < T3 ≤ 75 ℃, and 75 ℃ < T4 ≤ 80 ℃.
8. An air conditioner characterized by employing the heat radiation control method of the heat radiation system of the air conditioner according to any one of claims 1 to 7.
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| CN114084180A (en) * | 2021-11-12 | 2022-02-25 | 珠海格力电器股份有限公司 | Intelligent rail air conditioner heat dissipation control device, intelligent rail air conditioner and heat dissipation control method thereof |
| CN114623515B (en) * | 2022-03-16 | 2023-07-18 | 安徽奥克斯智能电气有限公司 | Mobile air conditioner, cooling control method and device |
| CN117287761B (en) * | 2023-11-23 | 2024-04-09 | 珠海格力电器股份有限公司 | Heat exchange method and device for air conditioner, storage medium and electronic device |
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Effective date of registration: 20220920 Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO AUX ELECTRIC Co.,Ltd. Patentee after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee before: NINGBO AUX ELECTRIC Co.,Ltd. Patentee before: Ningbo Oxfam intelligent commercial air conditioning manufacturing Co.,Ltd. |
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