CN106705305B - Air conditioner and detection method for working state of heat storage assembly for air conditioner - Google Patents
Air conditioner and detection method for working state of heat storage assembly for air conditioner Download PDFInfo
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- CN106705305B CN106705305B CN201710016850.4A CN201710016850A CN106705305B CN 106705305 B CN106705305 B CN 106705305B CN 201710016850 A CN201710016850 A CN 201710016850A CN 106705305 B CN106705305 B CN 106705305B
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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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
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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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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention provides an air conditioner, comprising: the compressor, indoor heat exchanger and outdoor heat exchanger connected with the compressor, and the throttling device arranged between the indoor heat exchanger and the outdoor heat exchanger; the four-way reversing valve is positioned between the compressor and the indoor heat exchanger and between the compressor and the outdoor heat exchanger; the first stop valve is arranged between the outdoor heat exchanger and the four-way reversing valve and is connected with the heat storage assembly in parallel; the heat storage assembly is arranged at the air inlet or the air outlet of the outdoor heat exchanger; wherein, the heat accumulation subassembly includes: the heat accumulator is internally provided with a heat accumulation material; the electric heating element is arranged inside the heat accumulator; and the temperature sensor is arranged on the surface of the heat accumulator or in the heat accumulator. The temperature sensor is arranged on the surface of the heat accumulator and used for judging whether the electric heating element in the heat accumulator assembly needs to be started to work or not and judging the running state of the started electric heating element, so that the normal and stable running of the air conditioner is ensured, and the running reliability and safety of the air conditioner are ensured.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and a method for detecting the working state of a heat storage assembly for the air conditioner.
Background
The defrosting mode adopted in the air conditioner in the related art is that hot gas defrosting is carried out by utilizing the exhaust temperature of a compressor, the defrosting can be carried out only by a four-way reversing valve, when the defrosting is started, the four-way reversing valve is reversed, so that the outdoor heat exchanger releases heat, the indoor heat exchanger absorbs heat, the indoor environment temperature is reduced, in a cold environment, the air conditioner runs a refrigeration cycle, the room temperature is suddenly cooled and suddenly heated, and the discomfort of a user is increased inevitably. In an environment with high air humidity, frequent defrosting operation can affect the service life of the four-way reversing valve and other electric devices. In addition, in the defrosting process of the air conditioner, because the frost on the lower half part of the outdoor heat exchanger is difficult to remove, when the upper half part is defrosted, the air conditioner can enter a normal heating operation state only after the lower half part of the outdoor heat exchanger is completely defrosted, so that a part of heat is wasted, the defrosting process is prolonged, the heating capacity is reduced, and the overall heating effect is reduced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, an object of the present invention is to provide an air conditioner.
The invention also aims to provide a defrosting control method of the air conditioner.
In view of the above, according to an object of the present invention, there is provided an air conditioner including: the compressor, the indoor heat exchanger and the outdoor heat exchanger that are connected with the compressor, and set up the throttling arrangement between indoor heat exchanger and outdoor heat exchanger, the air conditioner still includes: the four-way reversing valve is positioned between the compressor and the indoor heat exchanger and between the compressor and the outdoor heat exchanger, two interfaces of the four-way reversing valve are communicated with an air outlet of the compressor and one end of the indoor heat exchanger, and the other two interfaces of the four-way reversing valve are communicated with an air inlet of the compressor and one end of the outdoor heat exchanger; the first stop valve is arranged between the outdoor heat exchanger and the four-way reversing valve and is connected with the heat storage assembly in parallel; the heat storage assembly is arranged at the air inlet or the air outlet of the outdoor heat exchanger; wherein, the heat accumulation subassembly includes: the heat accumulator is internally provided with a heat accumulation material; the electric heating element is arranged inside the heat accumulator; and the temperature sensor is arranged on the surface of the heat accumulator or in the heat accumulator.
According to the air conditioner, the heat storage component is arranged, so that the air conditioner can defrost an outdoor heat exchanger while heating, and the problem that in the prior art, a four-way reversing valve is frequently reversed to cause sudden cold and sudden heat of indoor temperature is avoided. Furthermore, a temperature sensor is arranged on the surface of the heat accumulator and used for judging whether an electric heating element in the heat accumulator assembly needs to be started to work or not and judging the running state of the started electric heating element so as to ensure the normal and stable running of the air conditioner and ensure the running reliability and safety of the air conditioner.
The air conditioner according to the present invention may further include the following features:
in the above technical solution, preferably, the heat storage module further includes: and the capillary tube is arranged between the outdoor heat exchanger and the four-way reversing valve and is connected with the heat accumulator in series.
In this technical scheme, preferably, the heat accumulator is provided with the capillary in series, through addding the capillary, further increases the required heat of defrosting, and then has improved the defrosting efficiency, has shortened the time that the defrosting needs, and then has improved indoor ambient temperature, has avoided the indoor temperature that long-time defrosting leads to descend, the temperature fluctuation scheduling problem greatly.
In the above technical solution, preferably, the heat storage material is a phase change material.
In the above technical solution, preferably, the phase change material is water, paraffin, ethylene glycol aqueous solution or 12-water disodium hydrogen phosphate.
In this technical solution, preferably, the heat storage material is a phase change material, and the physical property of the phase change material is utilized to change the physical form of the phase change material so as to absorb or release heat. The air conditioner of the invention stores heat in the heat accumulator by arranging a certain amount of phase change material in the heat accumulator, and the phase change material changes in shape and releases heat to accelerate defrosting in the defrosting process. Further, the heat storage material includes at least one of, but is not limited to: water, paraffin, glycol aqueous solution or 12-water disodium hydrogen phosphate, and the phase change material can be selected according to the actual application situation in specific application.
In any of the above technical solutions, preferably, the method further includes: and the second stop valve is arranged between the indoor heat exchanger and the outdoor heat exchanger and is connected with the throttling device in parallel.
In the technical scheme, preferably, the second stop valve is additionally arranged between the indoor heat exchanger and the outdoor heat exchanger and is connected with the throttling device in parallel, the inner diameter or the number of pipelines of the heat accumulator is increased, the resistance is reduced, the electric heating power is increased, the temperature of a heat storage material is increased, the temperature in the outdoor heat exchanger is further ensured by adjusting the closing of the second stop valve, the defrosting efficiency is improved, and the defrosting effect is improved.
Still another object of the present invention is to provide a method for detecting an operating state of a heat storage module for an air conditioner, including: when the defrosting condition is met, entering a defrosting mode; starting the electric heating element, and simultaneously detecting the temperature of the heat storage component in real time; calculating the temperature rise rate of the heat storage assembly; comparing the temperature rise rate of the heat storage assembly with a preset temperature rise rate range; when the temperature rise rate of the heat storage assembly is not within the preset temperature rise rate range, judging that the working state of the heat storage assembly is abnormal; when the temperature rise rate of the heat storage assembly is within the preset temperature rise rate range, the working state of the heat storage assembly is normal.
According to the method for detecting the working state of the heat storage component for the air conditioner, after the defrosting mode is started, the electric heating element is started, the temperature rise rate of the heat storage component is calculated by detecting the surface temperature of the heat storage component in real time, and the temperature rise rate is compared with the preset temperature rise rate range, so that whether the working state of the heat storage component is abnormal or not is judged. The detection method provided by the invention can be used for judging whether the heat storage component is in a safe working state or not by detecting and judging the temperature and the temperature rise rate of the heat storage component in real time, and further judging whether the capacity of a heat storage material in the heat storage component is insufficient or whether the heat storage material is deteriorated or not; and the working state of the electric heating element is judged, the potential safety hazard caused by overhigh temperature of the electric heating element is avoided, the stable operation of the heat storage assembly is ensured, and the use safety and reliability of the air conditioner are improved.
According to the method for detecting the working state of the heat storage assembly for the air conditioner, the method can further have the following technical characteristics:
in the above technical solution, preferably, when the temperature rise rate of the heat storage assembly is not within the preset temperature rise rate range, it is determined that the operating state of the heat storage assembly is abnormal, and the method specifically includes:
when the temperature rise rate of the heat storage assembly is greater than or equal to a first preset temperature rise rate, judging that the heat storage material in the heat accumulator is too little or is deteriorated;
when the real-time temperature rise rate of the heat storage assembly is smaller than or equal to a second preset temperature rise rate, judging whether the temperature of the heat storage assembly is within a preset phase change temperature range of a phase change material of the heat storage assembly;
when the temperature of the heat storage assembly is within the preset phase change temperature range of the phase change material of the heat storage assembly, returning to continuously detect in real time and calculating the temperature rise rate of the heat storage assembly;
when the temperature of the heat storage component is not within the preset phase change temperature range of the phase change material of the heat storage component, judging that the electric heating element is invalid;
wherein the first predetermined temperature rise rate is greater than the second predetermined temperature rise rate.
In the technical scheme, when the working state of the heat storage assembly is judged to be abnormal, problems which may occur to the heat storage assembly are judged in the following mode; firstly, when the temperature rise rate is greater than or equal to a first preset temperature rise rate, the judgment result is that the heat storage material in the heat accumulator is too little or is deteriorated, and a user can check the heat storage material in the heat accumulator and supplement or replace the heat storage material in time; secondly, when the temperature rise rate is smaller than or equal to a second preset temperature rise rate, further judging whether the temperature of the heat storage component is within a preset phase change temperature range of the heat storage material, when the real-time temperature of the heat storage component is within the preset phase change temperature range of the phase change material, returning to continuously monitor the temperature of the heat storage component in real time and calculating the temperature rise rate, when the temperature of the heat storage component is not within the preset phase change temperature range of the phase change material, judging that the result is that the electric heating element fails, and checking the parameters of the electric heating element by a user in timing for replacement, so that potential safety hazards are avoided; wherein the first predetermined temperature rise rate is greater than the second predetermined temperature rise rate. Through the mode, the air conditioner is subjected to preliminary fault reason detection, and a user can conveniently conduct troubleshooting and maintenance.
In the above technical solution, preferably, the preset temperature rise rate range is smaller than the first preset temperature rise rate and larger than the second preset temperature rise rate.
In the technical scheme, the preset temperature rise rate range is smaller than a first preset temperature rise rate and larger than a second preset temperature rise rate, the working state of the heat storage assembly is judged to be abnormal if the preset temperature rise rate range is exceeded, and the values of the first preset temperature rise rate and the second preset temperature rise rate are determined according to the heat storage material contained in the heat accumulator. Temperature rise rate is predetermine through the setting for the user can judge the operating condition of heat accumulation subassembly, does a preliminary prejudgement to the trouble of air conditioner, and the problem that solution air conditioner that can be timely exists promotes user's use and experiences and safety.
In the above technical solution, preferably, the first preset temperature rise rate is a rise of M ℃ per 5 seconds, and the value range of M is 1 to 40;
the second preset temperature rise rate is N ℃ rise every 1 minute, and the value range of N is 1-5.
In the technical scheme, the first preset temperature rise rate is M ℃ rising every 5 seconds, and the value range of M is 1-40, namely when the temperature rise rate of the heat storage assembly is higher in the preset time, the heat storage assembly is judged to work abnormally, and the value of M in practical application is taken according to different systems and different heat storage materials, and is not limited to the above; and the second preset temperature rise rate is N ℃ rising every 1 minute, the value range of N is 1 to 5, namely the temperature rise rate of the heat storage component is relatively slow in the preset time, whether the temperature rise rate is in the preset phase change temperature range of the phase change material in the heat accumulator is further judged, when the preset temperature rise rate is not in the preset phase change temperature range, the electric heating element is judged to be failed, and the value of N in practical application is taken according to different systems and different heat storage materials, and is not limited to the method.
In the above technical solution, preferably, calculating the temperature rise rate of the heat storage assembly specifically includes:
recording the temperature rise value of the heat storage component in a preset time; calculating the temperature rise rate R of the heat storage component by a formula R ═ delta T/T; wherein, Δ T is a temperature rise value, and T is a preset time.
In the technical scheme, the temperature rise rate of the heat storage assembly is calculated by detecting the temperature change value in the preset time, the surface temperature change of the heat storage assembly is monitored in real time, the state of the heat storage assembly is known in real time, the working abnormity of the heat storage assembly is found in time, and the problem is solved.
In any of the above technical solutions, preferably, the operating state of the heat storage assembly is displayed.
In the technical scheme, the monitored working state of the heat storage component is displayed, so that a user can intuitively know the working state of the heat storage component.
In any of the above technical solutions, preferably, when the operating state of the thermal storage assembly is abnormal, a prompt is given and the operation is stopped.
In the technical scheme, when the abnormal working state of the heat storage component is detected, a prompt is sent, the air conditioner is controlled to stop working, and the abnormal heat storage component of the air conditioner is reminded to a user through sending the prompt so that the user can maintain the air conditioner in time; further, the fault prompting method may be as follows: without limitation, an audible alarm, a light alarm, or a combination of audible and light alarms.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic flow chart illustrating a method for detecting an operating state of a heat storage module for an air conditioner according to an embodiment of the present invention;
fig. 2 is a flow chart illustrating a method for detecting an operating state of a heat storage module for an air conditioner according to still another embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
An air conditioner and a defrosting control method of the air conditioner according to some embodiments of the present invention will be described below with reference to fig. 1 and 2.
The invention provides an air conditioner, comprising: the compressor, the indoor heat exchanger and the outdoor heat exchanger that are connected with the compressor, and set up the throttling arrangement between indoor heat exchanger and outdoor heat exchanger, the air conditioner still includes: the four-way reversing valve is positioned between the compressor and the indoor heat exchanger and between the compressor and the outdoor heat exchanger, two interfaces of the four-way reversing valve are communicated with an air outlet of the compressor and one end of the indoor heat exchanger, and the other two interfaces of the four-way reversing valve are communicated with an air inlet of the compressor and one end of the outdoor heat exchanger; the first stop valve is arranged between the outdoor heat exchanger and the four-way reversing valve and is connected with the heat storage assembly in parallel; the heat storage assembly is arranged at the air inlet or the air outlet of the outdoor heat exchanger; wherein, the heat accumulation subassembly includes: the heat accumulator is internally provided with a heat accumulation material; the electric heating element is arranged inside the heat accumulator; and the temperature sensor is arranged on the surface of the heat accumulator or in the heat accumulator.
According to the air conditioner, the heat storage component is arranged, so that the air conditioner can defrost an outdoor heat exchanger while heating, and the problem that in the prior art, a four-way reversing valve is frequently reversed to cause sudden cold and sudden heat of indoor temperature is avoided. Furthermore, a temperature sensor is arranged on the surface of the heat accumulator and used for judging whether an electric heating element in the heat accumulator assembly needs to be started to work or not and judging the running state of the started electric heating element so as to ensure the normal and stable running of the air conditioner and ensure the running reliability and safety of the air conditioner.
In one embodiment of the invention, the heat accumulator is preferably provided with a capillary tube in series, between the outdoor heat exchanger and the four-way reversing valve, in series with the heat accumulator. Through addding the capillary, further increase the required heat of defrosting, and then improved the defrosting efficiency, shortened the defrosting required time, and then improved indoor ambient temperature, avoided the long-time indoor temperature decline that leads to of defrosting, temperature fluctuation scheduling problem greatly.
In one embodiment of the invention, the heat storage material is preferably a phase change material, and the physical properties of the phase change material are used to absorb or release heat by changing the physical form of the phase change material. The air conditioner of the invention stores heat in the heat accumulator by arranging a certain amount of phase change material in the heat accumulator, and the phase change material changes in shape and releases heat to accelerate defrosting in the defrosting process. Further, the heat storage material includes at least one of, but is not limited to: water, paraffin, glycol aqueous solution or 12-water disodium hydrogen phosphate, and the phase change material can be selected according to the actual application situation in specific application.
In one embodiment of the present invention, preferably, the method further includes: the second stop valve is connected in parallel with the throttling device by additionally arranging the second stop valve between the indoor heat exchanger and the outdoor heat exchanger, the number of the inner diameters or pipelines of the heat accumulator is increased, the resistance is reduced, the electric heating power is increased, the temperature of a heat storage material is increased, the temperature in the outdoor heat exchanger is further ensured by adjusting the closing of the second stop valve, the defrosting efficiency is improved, and the defrosting effect is improved.
The embodiment of the invention also provides a method for detecting the working state of the heat storage assembly for the air conditioner, which comprises the following steps: when the defrosting condition is met, entering a defrosting mode; starting the electric heating element, and simultaneously detecting the temperature of the heat storage component in real time; calculating the temperature rise rate of the heat storage assembly; comparing the temperature rise rate of the heat storage assembly with a preset temperature rise rate range; when the temperature rise rate of the heat storage assembly is not within the preset temperature rise rate range, judging that the working state of the heat storage assembly is abnormal; when the temperature rise rate of the heat storage assembly is within the preset temperature rise rate range, the working state of the heat storage assembly is normal.
According to the method for detecting the working state of the heat storage component for the air conditioner, after the defrosting mode is started, the electric heating element is started, the temperature rise rate of the heat storage component is calculated by detecting the surface temperature of the heat storage component in real time, and the temperature rise rate is compared with the preset temperature rise rate range, so that whether the working state of the heat storage component is abnormal or not is judged. The detection method provided by the invention can be used for judging whether the heat storage component is in a safe working state or not by detecting and judging the temperature and the temperature rise rate of the heat storage component in real time, and further judging whether the capacity of a heat storage material in the heat storage component is insufficient or whether the heat storage material is deteriorated or not; and the working state of the electric heating element is judged, the potential safety hazard caused by overhigh temperature of the electric heating element is avoided, the stable operation of the heat storage assembly is ensured, and the use safety and reliability of the air conditioner are improved.
In an embodiment, as shown in fig. 1, a flow chart of a method for detecting an operating state of a heat storage assembly for an air conditioner according to the present invention includes:
and 112, when the temperature rise rate of the heat storage assembly is within the preset temperature rise rate range, the working state of the heat storage assembly is normal.
In an embodiment of the present invention, as shown in fig. 2, a flow chart of a method for detecting an operating state of a heat storage assembly for an air conditioner includes:
In this embodiment, when it is determined that the operating state of the heat storage assembly is abnormal, a problem that may occur in the heat storage assembly is determined specifically in the following manner; firstly, when the temperature rise rate is greater than or equal to a first preset temperature rise rate, the judgment result is that the heat storage material in the heat accumulator is too little or is deteriorated, and a user can check the heat storage material in the heat accumulator and supplement or replace the heat storage material in time; secondly, when the temperature rise rate is smaller than or equal to a second preset temperature rise rate, further judging whether the temperature of the heat storage component is within a preset phase change temperature range of the heat storage material, when the real-time temperature of the heat storage component is within the preset phase change temperature range of the phase change material, returning to continuously monitor the temperature of the heat storage component in real time and calculating the temperature rise rate, when the temperature of the heat storage component is not within the preset phase change temperature range of the phase change material, judging that the result is that the electric heating element fails, and checking the parameters of the electric heating element by a user in timing for replacement, so that potential safety hazards are avoided; wherein the first predetermined temperature rise rate is greater than the second predetermined temperature rise rate. Through the mode, the air conditioner is subjected to preliminary fault reason detection, and a user can conveniently conduct troubleshooting and maintenance.
In an embodiment of the invention, the preset temperature rise rate range is smaller than the first preset temperature rise rate and larger than the second preset temperature rise rate, and if the preset temperature rise rate range is exceeded, it is determined that the working state of the heat storage assembly is abnormal, and values of the first preset temperature rise rate and the second preset temperature rise rate are determined according to the heat storage material accommodated in the heat accumulator. Temperature rise rate is predetermine through the setting for the user can judge the operating condition of heat accumulation subassembly, does a preliminary prejudgement to the trouble of air conditioner, and the problem that solution air conditioner that can be timely exists promotes user's use and experiences and safety.
In one embodiment of the invention, the first preset temperature rise rate is M ℃ rise every 5 seconds, and the value range of M is 1 to 40, namely when the temperature rise rate of the heat storage assembly is faster within a preset time, the heat storage assembly is judged to work abnormally, and the value of M in practical application is taken according to different systems and different heat storage materials, and is not limited to the above; and the second preset temperature rise rate is N ℃ rising every 1 minute, the value range of N is 1 to 5, namely the temperature rise rate of the heat storage component is relatively slow in the preset time, whether the temperature rise rate is in the preset phase change temperature range of the phase change material in the heat accumulator is further judged, when the preset temperature rise rate is not in the preset phase change temperature range, the electric heating element is judged to be failed, and the value of N in practical application is taken according to different systems and different heat storage materials, and is not limited to the method.
In an embodiment of the present invention, calculating the temperature rise rate of the heat storage assembly specifically includes: recording the temperature rise value of the heat storage component in a preset time; calculating the temperature rise rate R of the heat storage component by a formula R ═ delta T/T; wherein, Δ T is a temperature rise value, and T is a preset time. Through detecting the temperature change value in the preset time, calculate the temperature rise rate of heat accumulation subassembly, realize the surface temperature change of real-time control heat accumulation subassembly, know the heat accumulation subassembly state in real time, in time discover the work of heat accumulation subassembly unusual, handle and solve.
In one embodiment of the invention, the monitored operating state of the thermal storage assembly is displayed so that a user can intuitively know the operating state of the thermal storage assembly.
In one embodiment of the invention, when the abnormal working state of the heat storage component is detected, a prompt is sent, the air conditioner is controlled to stop working, and the abnormal heat storage component of the air conditioner is reminded to a user through sending the prompt so that the user can maintain the air conditioner in time; further, the fault prompting method may be as follows: without limitation, an audible alarm, a light alarm, or a combination of audible and light alarms.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for detecting the working state of a heat storage assembly for an air conditioner is used for the air conditioner, and is characterized by comprising the following steps: the compressor, with indoor heat exchanger and outdoor heat exchanger that the compressor is connected, and set up indoor heat exchanger with throttling arrangement between the outdoor heat exchanger, its characterized in that, the air conditioner still includes:
the four-way reversing valve is positioned between the compressor and the indoor heat exchanger and between the compressor and the outdoor heat exchanger, two interfaces of the four-way reversing valve are communicated with an air outlet of the compressor and one end of the indoor heat exchanger, and the other two interfaces of the four-way reversing valve are communicated with an air inlet of the compressor and one end of the outdoor heat exchanger;
the heat storage assembly is arranged at the air inlet or the air outlet of the outdoor heat exchanger;
the first stop valve is arranged between the outdoor heat exchanger and the four-way reversing valve and is connected with the heat storage assembly in parallel;
wherein the heat storage assembly includes:
the heat accumulator contains a heat accumulation material;
an electric heating element disposed inside the heat accumulator;
the temperature sensor is arranged on the surface of the heat accumulator or in the heat accumulator;
the detection method comprises the following steps:
when the defrosting condition is met, entering a defrosting mode;
starting the electric heating element, and simultaneously detecting the temperature of the heat storage component in real time;
calculating the temperature rise rate of the heat storage assembly;
comparing the temperature rise rate of the heat storage assembly with a preset temperature rise rate range;
when the temperature rise rate of the heat storage assembly is not within the preset temperature rise rate range, judging that the working state of the heat storage assembly is abnormal;
and when the temperature rise rate of the heat storage assembly is within the preset temperature rise rate range, the working state of the heat storage assembly is normal.
2. The method for detecting the operating state of a heat storage assembly for an air conditioner according to claim 1, wherein the determining that the operating state of the heat storage assembly is abnormal when the temperature rise rate of the heat storage assembly is not within the preset temperature rise rate range specifically comprises:
when the temperature rise rate of the heat storage assembly is greater than or equal to a first preset temperature rise rate, judging that the heat storage material in the heat accumulator is too little or is deteriorated;
when the real-time temperature rise rate of the heat storage component is smaller than or equal to a second preset temperature rise rate, judging whether the temperature of the heat storage component is within a preset phase change temperature range of a phase change material of the heat storage component;
when the temperature of the heat storage assembly is within the preset phase change temperature range of the phase change material of the heat storage assembly, returning to continuous real-time detection and calculating the temperature rise rate of the heat storage assembly;
when the temperature of the heat storage component is not within the preset phase change temperature range of the phase change material of the heat storage component, judging that the electric heating element is invalid;
wherein the first preset temperature rise rate is greater than the second preset temperature rise rate.
3. The method for detecting the operating condition of a heat storage module for an air conditioner as set forth in claim 2,
the preset temperature rise rate range is smaller than the first preset temperature rise rate and larger than the second preset temperature rise rate.
4. The method for detecting the operating condition of a heat storage module for an air conditioner as set forth in claim 3,
the first preset temperature rise rate is M ℃ rise every 5 seconds, and the value range of M is 1-40;
the second preset temperature rise rate is N ℃ rise every 1 minute, and the value range of N is 1-5.
5. The method for detecting the operating state of a heat storage module for an air conditioner as set forth in claim 1, wherein the calculating the rate of temperature rise of the heat storage module specifically includes:
recording the temperature rise value of the heat storage component in a preset time;
calculating the temperature rise rate R of the heat storage component through a formula R ═ delta T/T;
wherein, Δ T is a temperature rise value, and T is a preset time.
6. The method for detecting the operating condition of a heat storage module for an air conditioner as recited in any one of claims 1 to 5,
and displaying the working state of the heat storage component.
7. The method for detecting the operating condition of a heat storage module for an air conditioner as recited in any one of claims 1 to 5,
and when the working state of the heat storage assembly is abnormal, a prompt is sent, and the work is stopped.
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