CN106705305A - Air conditioner and detecting method for working state of heat accumulating assembly for air conditioner - Google Patents
Air conditioner and detecting method for working state of heat accumulating assembly for air conditioner Download PDFInfo
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- CN106705305A CN106705305A CN201710016850.4A CN201710016850A CN106705305A CN 106705305 A CN106705305 A CN 106705305A CN 201710016850 A CN201710016850 A CN 201710016850A CN 106705305 A CN106705305 A CN 106705305A
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- Prior art keywords
- accumulation
- heat
- temperature rise
- rise rate
- heat component
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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
- 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
-
- 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
-
- 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
-
- 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 which comprises a compressor, an indoor heat exchanger and an outdoor heat exchanger, a throttling device, a four-way reversing valve, a first stop valve and a heat accumulating assembly, wherein the indoor heat exchanger and the outdoor heat exchanger are connected to the compressor, and the throttling device is arranged between the indoor heat exchanger and the outdoor heat exchanger; the four-way reversing valve is located between the compressor and the indoor heat exchanger 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 to a heat accumulating assembly in parallel; the heat accumulating assembly is arranged at the air inlet or the air outlet of the outdoor heat exchanger; the heat accumulating assembly comprises a heat accumulator which holds a heat accumulating material; an electric heating piece which is arranged in the heat accumulator; and a temperature sensor which is arranged on the surface of the heat accumulator or in the heat accumulator. By arranging the temperature sensor on the surface of the heat accumulator for judging whether the electric heating piece in the heat accumulator assembly needs to be started to work or not and the operating state after the electric heating piece is started so as to ensure normal and stable operation of the air conditioner, thereby guaranteeing the operating reliability and safety of the air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioner and a kind of air-conditioner accumulation of heat group
The detection method of part working condition.
Background technology
Defrost mode employed in the air-conditioner of correlation technique is all to carry out Hot-air blowing device using the delivery temperature of compressor
Frost, this is accomplished by by four-way reversing valve ability defrost, and when defrost is started, four-way reversing valve commutation makes outdoor heat converter
Heat release, indoor heat converter heat absorption, can cause indoor environment temperature to reduce, and in colder environment, air-conditioner operation refrigeration is followed
Ring, can cause room temperature sometimes hot and sometimes cold, necessarily increase the discomfort of user.And in air humidity is than larger environment, frequently
Defrost operation can influence the service life of four-way reversing valve and other electrical parts.In addition, during air-conditioner defrost, due to room
The frost of the latter half of outer heat-exchanger is more difficult cleared, therefore when in top half, oneself finishes through defrost, it is necessary to when outdoor
The latter half of heat exchanger also after complete defrost, can make air-conditioner enter normal heating operation state, thus waste
A part of heat, and defrosting process is extended, reduce heating capacity and reduce overall heating effect.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of air-conditioner.
It is another object of the present invention to propose a kind of defrosting control method of air-conditioner.
In view of this, a purpose of the invention, it is proposed that a kind of air-conditioner, air-conditioner includes：Compressor, with pressure
Indoor heat exchanger and outdoor heat exchanger that contracting machine is connected, and it is disposed in the interior the throttling dress between heat exchanger and outdoor heat exchanger
Put, air-conditioner also includes：Four-way reversing valve, between compressor and indoor heat exchanger and outdoor heat exchanger, four-way reversing valve
Two orifice compressors gas outlet and one end of indoor heat exchanger, four-way reversing valve another two orifice compression
The air inlet of machine and one end of outdoor heat exchanger；First stop valve, is disposed in the outdoor between heat exchanger and four-way reversing valve, with storage
Hot modules in parallel；Accumulation of heat component, is disposed in the outdoor at the air inlet of heat exchanger or at gas outlet；Wherein, accumulation of heat component includes：Store
Hot device, accommodates heat-storing material in storage heater；Electric heating part, is arranged on inside storage heater；Temperature sensor, is arranged on storage heater
Inside surface or storage heater.
The air-conditioner that the present invention is provided, air-conditioner is realized while heating to outdoor heat exchange by setting accumulation of heat component
Device carries out defrost, it is to avoid in the prior art, and frequently four-way reversing valve is commutated, and causes the indoor temperature sometimes hot and sometimes cold,
Air-conditioner of the invention absorbs the heat that compressor is produced by housing heat-storing material, heat-storing material in storage heater, meanwhile,
Electric heating part is provided with storage heater, auxiliary heating is carried out to storage heater by electric heating part, improve the entirety of accumulation of heat component
Temperature, it is to avoid the temperature of storage heater is not enough, improves defrost efficiency and defrost effect, it is ensured that the comfortableness of indoor temperature,
Lift the experience of user.Further, the surface of storage heater is provided with temperature sensor, for judging whether that needs are opened
Electric heating part work in dynamic accumulation of heat device assembly, and the running status after electric heating part startup, to ensure that air-conditioner is normally steady
Fixed operation, it is ensured that air-conditioner reliability of operation and security.
Above-mentioned air-conditioner of the invention, can also have following technical characteristic：
In the above-mentioned technical solutions, it is preferable that accumulation of heat component also includes：Capillary, is disposed in the outdoor heat exchanger and four-way
Between reversal valve, connected with storage heater.
In the technical scheme, it is preferable that storage heater has been arranged in series capillary, by setting up capillary, further
Heat needed for increasing defrost, and then defrost efficiency is improve, the time required to shortening defrost, and then improve indoor environment temperature
Degree, it is to avoid indoor temperature declines caused by long-time defrost, the problems such as temperature fluctuation is big.
In the above-mentioned technical solutions, it is preferable that heat-storing material is phase-change material.
In the above-mentioned technical solutions, it is preferable that phase-change material is water, paraffin, glycol water or 12 water phosphoric acid hydrogen two
Sodium.
In the technical scheme, it is preferable that heat-storing material uses phase-change material, the physical characteristic using phase-change material passes through
Change the physical aspect of phase-change material and then absorb or release heat.Air-conditioner of the invention in storage heater by being equipped with one
Quantitative phase-change material, during non-defrost, storage heater storage heat, phase-change material form generation becomes during defrost
Change release heat to accelerate defrost.Further, heat-storing material includes following at least one but is not limited thereto：Water, paraffin,
Glycol water or 12 water disodium hydrogen phosphates, preferably phase transformation can be selected in concrete application according to the occasion of practical situations
Material.
In any of the above-described technical scheme, it is preferable that also include：Second stop valve, is disposed in the interior heat exchanger with outdoor
It is in parallel with the throttling arrangement between heat exchanger.
In the technical scheme, it is preferable that by setting up the second stop valve between heat exchanger and outdoor heat exchanger indoors
In parallel, caliber or pipeline number in increasing storage heater are carried out with throttling arrangement, resistance is reduced, electrical heating power is increased, accumulation of heat is improved
Material temperature, by adjusting the closing of the second stop valve and then ensureing the temperature in outdoor heat exchanger, improves defrost efficiency, improves
Defrost effect.
Another object of the present invention also proposed a kind of detection method of air-conditioner accumulation of heat component operation state, bag
Include：When defrost condition is met, into defrost pattern；Electric heating part is opened, meanwhile, the temperature of real-time detection accumulation of heat component；Meter
Calculate the temperature rise rate of accumulation of heat component；The temperature rise rate of accumulation of heat component is compared with default temperature rise rate scope；Work as accumulation of heat
When the temperature rise rate of component is not in the range of default temperature rise rate, then the working condition exception of accumulation of heat component is judged；When accumulation of heat group
In default temperature rise rate scope, then the working condition of accumulation of heat component is normal for the temperature rise rate of part.
A kind of air-conditioner detection method of accumulation of heat component operation state that the present invention is provided, into after defrost pattern, opens
Electric heating part is opened, by the surface temperature of real-time detection accumulation of heat component, the temperature rise rate of accumulation of heat component is calculated, by temperature rise rate
It is compared with default temperature rise rate scope, and then judges the working condition of accumulation of heat component with the presence or absence of abnormal.It is of the invention
Whether detection method is by real-time detection and judge the temperature and temperature rise rate of accumulation of heat component and then judge accumulation of heat component in peace
Full working condition, and then whether heat-storing material capacity not enough in judging accumulation of heat component, or heat-storing material have sent it is rotten；And
Working condition to electric heating part judges, it is to avoid electric heating part temperature is too high and potential safety hazard occurs, it is ensured that accumulation of heat group
The stable operation of part, improves the safety and reliability that air-conditioner is used.
According to a kind of air-conditioner detection method of accumulation of heat component operation state that the present invention is provided, can also have following
Technical characteristic：
In the above-mentioned technical solutions, it is preferable that when the temperature rise rate of accumulation of heat component is not in the range of default temperature rise rate,
Then judge the working condition exception of accumulation of heat component, specifically include：
When the temperature rise rate of accumulation of heat component is more than or equal to the first default temperature rise rate, then the accumulation of heat in storage heater is judged
Material is very few or rotten；
When the real-time temperature rise rate of accumulation of heat component is less than or equal to the second default temperature rise rate, then the temperature of accumulation of heat component is judged
Whether degree is in the default transition temperature range of the phase-change material of accumulation of heat component；
When the temperature of accumulation of heat component is in the default transition temperature range of the phase-change material of accumulation of heat component, return and continue real-time
Detect and calculate the temperature rise rate of accumulation of heat component；
When the temperature of accumulation of heat component is not in the default transition temperature range of the phase-change material of accumulation of heat component, then electricity is judged
Heating member fails；
Wherein, the first default temperature rise rate is more than the second default temperature rise rate.
In the technical scheme, when the working condition for judging accumulation of heat component is abnormal, especially by the following manner to storing
The problem that hot component is likely to occur is judged；One is, when temperature rise rate is more than or equal to the first default temperature rise rate, judges knot
For the heat-storing material in storage heater is very few or has gone bad, user can check the heat-storing material in storage heater fruit, and
When supplement or change heat-storing material；Two are, when temperature rise rate is less than or equal to the second default temperature rise rate, further judge to store
The temperature of hot component whether in the default transition temperature range of heat-storing material, when the real time temperature of accumulation of heat component is in phase-change material
Preset range in when, return to the temperature that continues real-time monitoring accumulation of heat component and calculate temperature rise rate, and work as the temperature of accumulation of heat component
When degree is not in the default transition temperature range of phase-change material, then judged result is electric heating part failure, and user wants timing inspection
The parameter of electric heating part, is changed, it is to avoid the appearance of potential safety hazard；Wherein, the first default temperature rise rate is preset more than second
Temperature rise rate.By with upper type, preliminary detection failure cause being carried out to air-conditioner, user is facilitated to be investigated and repaired.
In the above-mentioned technical solutions, it is preferable that default temperature rise rate scope is less than the first default temperature rise rate, more than the
Two default temperature rise rates.
In the technical scheme, default temperature rise rate scope is less than the first default temperature rise rate, more than the second default temperature
Speed is risen, the working condition exception of accumulation of heat component is then judged beyond default temperature rise rate scope, the first default temperature rise rate and the
The value of two default temperature rise rates is determined according to the heat-storing material housed in storage heater.By setting default temperature rise rate so that
User may determine that the working condition of accumulation of heat component, and the failure to air-conditioner does a preliminary anticipation, can timely solve
The problem that certainly air-conditioner is present, lifts the experience and safety of user.
In the above-mentioned technical solutions, it is preferable that the first default temperature rise rate is that every five seconds for example clock raises M DEG C, the value of the M
Scope is 1 to 40；
Second default temperature rise rate is to raise within every 1 minute N DEG C, and the span of the N is 1 to 5.
In the technical scheme, the first default temperature rise rate is that every five seconds for example clock raises M DEG C, the span of the M for 1 to
40, i.e., when the temperature rise rate of accumulation of heat component is very fast in Preset Time, judge accumulation of heat component operation exception, M in practical application
Value carries out value according to different system and different heat-storing materials, is not limited to this；Second default temperature rise rate is every 1 minute
N DEG C is raised, the span of the N is 1 to 5, i.e., the temperature rise rate of accumulation of heat component is slower in Preset Time, further sentences
Whether disconnected temperature rise rate in the default transition temperature range of the phase-change material in storage heater, when default temperature rise rate is not default
When in transition temperature range, then judge that electric heating part fails, the value of N is according to different system and different storages in practical application
Hot material carries out value, is not limited to this.
In the above-mentioned technical solutions, it is preferable that calculate the temperature rise rate of accumulation of heat component, specifically include：
Record the temperature increase of the accumulation of heat component in Preset Time；By formula R=Δ T/t, accumulation of heat component is calculated
Temperature rise rate R；Wherein, Δ T is temperature increase, and t is Preset Time.
In the technical scheme, by detecting the temperature change value in Preset Time, the temperature rise speed of accumulation of heat component is calculated
Rate, realizes the surface temperature change of monitoring accumulation of heat component in real time, and accumulation of heat component states are understood in real time, and accumulation of heat component is found in time
Operation irregularity, processed and solved.
In any of the above-described technical scheme, it is preferable that the working condition of display accumulation of heat component.
In the technical scheme, by implementing monitoring to the working condition of accumulation of heat component shown so that user can be with
It is visually known the working condition of accumulation of heat component.
In any of the above-described technical scheme, it is preferable that when the working condition of accumulation of heat component is abnormal, send prompting, and stop
Only work.
In the technical scheme, when the working condition for detecting accumulation of heat component has abnormal, prompting is sent, and control sky
Adjust device to be stopped, by sending prompting, remind the accumulation of heat component of user's air-conditioner to there is exception, so that user is tieed up in time
Repair；Further, the prompting mode of failure can be：Audible alarm, light warning or be sound and light combination report
It is alert, do not limit to this.
Additional aspect of the invention and advantage will become obvious in following description section, or by practice of the invention
Recognize.
Brief description of the drawings
Fig. 1 shows that the air-conditioner of one embodiment of the invention is illustrated with the detection method flow of accumulation of heat component operation state
Figure；
Fig. 2 shows that the detection method flow of the air-conditioner accumulation of heat component operation state of further embodiment of the present invention is shown
It is intended to.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
The defrost of a kind of air-conditioner described according to some embodiments of the invention and air-conditioner is described referring to Fig. 1 and Fig. 2
Control method.
The present invention proposes a kind of air-conditioner, and air-conditioner includes：Compressor, the indoor heat exchanger being connected with compressor and
Outdoor heat exchanger, and the throttling arrangement between heat exchanger and outdoor heat exchanger is disposed in the interior, air-conditioner also includes：Four-way commutates
Valve, between compressor and indoor heat exchanger and outdoor heat exchanger, two orifice compressors of four-way reversing valve go out
One end of gas port and indoor heat exchanger, the air inlet of the another two orifice compressor of four-way reversing valve and outdoor heat exchanger
One end；First stop valve, is disposed in the outdoor between heat exchanger and four-way reversing valve, with accumulation of heat modules in parallel；Accumulation of heat component, is set
At the air inlet of outdoor heat exchanger or at gas outlet；Wherein, accumulation of heat component includes：Storage heater, accommodates accumulation of heat in storage heater
Material；Electric heating part, is arranged on inside storage heater；Temperature sensor, is arranged on inside storage heater surface or storage heater.
The air-conditioner that the present invention is provided, air-conditioner is realized while heating to outdoor heat exchange by setting accumulation of heat component
Device carries out defrost, it is to avoid in the prior art, and frequently four-way reversing valve is commutated, and causes the indoor temperature sometimes hot and sometimes cold,
Air-conditioner of the invention absorbs the heat that compressor is produced by housing heat-storing material, heat-storing material in storage heater, meanwhile,
Electric heating part is provided with storage heater, auxiliary heating is carried out to storage heater by electric heating part, improve the entirety of accumulation of heat component
Temperature, it is to avoid the temperature of storage heater is not enough, improves defrost efficiency and defrost effect, it is ensured that the comfortableness of indoor temperature,
Lift the experience of user.Further, the surface of storage heater is provided with temperature sensor, for judging whether that needs are opened
Electric heating part work in dynamic accumulation of heat device assembly, and the running status after electric heating part startup, to ensure that air-conditioner is normally steady
Fixed operation, it is ensured that air-conditioner reliability of operation and security.
In one embodiment of invention, it is preferable that storage heater has been arranged in series capillary, is located outside heat exchanger and four
Between logical reversal valve, connected with storage heater.By setting up capillary, the heat needed for further increasing defrost, and then improve
Defrost efficiency, the time required to shortening defrost, and then improve indoor environment temperature, it is to avoid room caused by long-time defrost
Interior temperature drop, the problems such as temperature fluctuation is big.
In one embodiment of invention, it is preferable that heat-storing material uses phase-change material, the physics using phase-change material is special
Property by change phase-change material physical aspect so that absorb or release heat.Air-conditioner of the invention is by storage heater content
A certain amount of phase-change material is equipped with, during non-defrost, storage heater storage heat, the phase-change material form during defrost
Release heat change to accelerate defrost.Further, heat-storing material includes following at least one but is not limited thereto：
Water, paraffin, glycol water or 12 water disodium hydrogen phosphates, in concrete application can according to the occasion of practical situations selection compared with
Good phase-change material.
In one embodiment of invention, it is preferable that also include：Second stop valve, by heat exchanger indoors and outdoor
The second stop valve is set up between heat exchanger carries out in parallel, caliber or pipeline number in increasing storage heater with throttling arrangement, reduces resistance,
Electrical heating power is increased, heat-storing material temperature is improved, by adjusting the closing of the second stop valve and then ensureing in outdoor heat exchanger
Temperature, improve defrost efficiency, improve defrost effect.
A kind of one embodiment of the present of invention, it is also proposed that air-conditioner detection method of accumulation of heat component operation state, wraps
Include：When defrost condition is met, into defrost pattern；Electric heating part is opened, meanwhile, the temperature of real-time detection accumulation of heat component；Meter
Calculate the temperature rise rate of accumulation of heat component；The temperature rise rate of accumulation of heat component is compared with default temperature rise rate scope；Work as accumulation of heat
When the temperature rise rate of component is not in the range of default temperature rise rate, then the working condition exception of accumulation of heat component is judged；When accumulation of heat group
In default temperature rise rate scope, then the working condition of accumulation of heat component is normal for the temperature rise rate of part.
A kind of air-conditioner detection method of accumulation of heat component operation state that the present invention is provided, into after defrost pattern, opens
Electric heating part is opened, by the surface temperature of real-time detection accumulation of heat component, the temperature rise rate of accumulation of heat component is calculated, by temperature rise rate
It is compared with default temperature rise rate scope, and then judges the working condition of accumulation of heat component with the presence or absence of abnormal.It is of the invention
Whether detection method is by real-time detection and judge the temperature and temperature rise rate of accumulation of heat component and then judge accumulation of heat component in peace
Full working condition, and then whether heat-storing material capacity not enough in judging accumulation of heat component, or heat-storing material have sent it is rotten；And
Working condition to electric heating part judges, it is to avoid electric heating part temperature is too high and potential safety hazard occurs, it is ensured that accumulation of heat group
The stable operation of part, improves the safety and reliability that air-conditioner is used.
In specific embodiment, as shown in figure 1, detection method flow of the air-conditioner of the invention with accumulation of heat component operation state
Schematic diagram, including：
Step 102, when defrost condition is met, into defrost pattern；
Step 104, opens electric heating part, meanwhile, the temperature of real-time detection accumulation of heat component；
Step 106, calculates the temperature rise rate of accumulation of heat component；
Whether step 108, judge the temperature rise rate of accumulation of heat component in the range of default temperature rise rate；
Step 110, when the temperature rise rate of accumulation of heat component is not in the range of default temperature rise rate, then judges accumulation of heat component
Working condition exception；
Step 112, when the temperature rise rate of accumulation of heat component is in default temperature rise rate scope, then the working condition of accumulation of heat component
Normally.
In one embodiment of invention, as shown in Fig. 2 detection method flow of the air-conditioner with accumulation of heat component operation state
Schematic diagram, including：
Step 202, when defrost condition is met, into defrost pattern, opens electric heating part；
Step 204, the temperature of real-time detection accumulation of heat component；
Step 206, records the temperature increase of the accumulation of heat component in Preset Time；By formula R=Δ T/t, calculate
The temperature rise rate R of accumulation of heat component；Wherein, Δ T is temperature increase, and t is Preset Time；
Whether step 208, judge the temperature rise rate of accumulation of heat component in the range of default temperature rise rate；
Step 210, when the temperature rise rate of accumulation of heat component is in the range of default temperature rise rate, judges the work of accumulation of heat component
State is normal, return to step 204, continues the temperature of real-time detection accumulation of heat component；
Step 212, when the temperature rise rate of accumulation of heat component is not in the range of default temperature rise rate, judges the work of accumulation of heat component
Make abnormal state；
Step 214, further, judges that judged result is when temperature rise rate is more than or equal to the first default temperature rise rate
Heat-storing material in storage heater is very few or has gone bad；
Step 216, further, judges, when temperature rise rate is less than or equal to the second default temperature rise rate, further to sentence
Whether the temperature of disconnected accumulation of heat component is in the default transition temperature range of heat-storing material；When the temperature of accumulation of heat component is in heat-storing material
Default transition temperature range in when, return to step 204, continue real-time detection accumulation of heat component temperature；
Step 218, when the temperature of accumulation of heat component is not in the default transition temperature range of phase-change material, then judged result
For electric heating part fails；
Step 220, shows the working condition of accumulation of heat component；
Step 222, when judging that the working condition of accumulation of heat component is abnormal, sends prompting, and be stopped.
In this embodiment, when the working condition for judging accumulation of heat component is abnormal, especially by the following manner to accumulation of heat
The problem that component is likely to occur is judged；One is, when temperature rise rate is more than or equal to the first default temperature rise rate, judged result
For the heat-storing material in storage heater is very few or has gone bad, user can be checked the heat-storing material in storage heater, in time
Supplement changes heat-storing material；Two are, when temperature rise rate is less than or equal to the second default temperature rise rate, further judge accumulation of heat
The temperature of component whether in the default transition temperature range of heat-storing material, when the real time temperature of accumulation of heat component is in phase-change material
When in preset range, the temperature and calculating temperature rise rate for continuing real-time monitoring accumulation of heat component are returned to, and work as the temperature of accumulation of heat component
When not in the default transition temperature range of phase-change material, then judged result is electric heating part failure, and user wants timing to check electricity
The parameter of heating member, is changed, it is to avoid the appearance of potential safety hazard；Wherein, the first default temperature rise rate is more than the second default temperature
Rise speed.By with upper type, preliminary detection failure cause being carried out to air-conditioner, user is facilitated to be investigated and repaired.
In one embodiment of invention, default temperature rise rate scope is less than the first default temperature rise rate, more than second
Default temperature rise rate, the working condition exception of accumulation of heat component, the first default temperature rise speed are then judged beyond default temperature rise rate scope
The value of rate and the second default temperature rise rate is determined according to the heat-storing material housed in storage heater.By setting default temperature rise speed
Rate so that user may determine that the working condition of accumulation of heat component, the failure to air-conditioner does a preliminary anticipation, Neng Gouji
When the experience and safety that solve the problems, such as air-conditioner, lift user.
In one embodiment of invention, the first default temperature rise rate is that every five seconds for example clock raises M DEG C, the span of the M
It is 1 to 40, i.e., when the temperature rise rate of accumulation of heat component is very fast in Preset Time, judges accumulation of heat component operation exception, practical application
The value of middle M carries out value according to different system and different heat-storing materials, is not limited to this；Second default temperature rise rate is every
N DEG C is raised within 1 minute, the span of the N is 1 to 5, i.e., the temperature rise rate of accumulation of heat component is slower in Preset Time, then enters
Whether one step judges temperature rise rate in the default transition temperature range of the phase-change material in storage heater, when default temperature rise rate not
When in default transition temperature range, then judge that electric heating part fails, the value of N is not according to different system and in practical application
Same heat-storing material carries out value, is not limited to this.
In one embodiment of invention, the temperature rise rate of accumulation of heat component is calculated, specifically included：Record is in Preset Time
The temperature increase of interior accumulation of heat component；By formula R=Δ T/t, the temperature rise rate R of accumulation of heat component is calculated；Wherein, Δ T is
Temperature increase, t is Preset Time.By detecting the temperature change value in Preset Time, the temperature rise speed of accumulation of heat component is calculated
Rate, realizes the surface temperature change of monitoring accumulation of heat component in real time, and accumulation of heat component states are understood in real time, and accumulation of heat component is found in time
Operation irregularity, processed and solved.
In one embodiment of invention, by implementing monitoring to the working condition of accumulation of heat component shown so that use
Family can be visually known the working condition of accumulation of heat component.
In one embodiment of invention, when the working condition for detecting accumulation of heat component has abnormal, prompting is sent, and
Control air-conditioner is stopped, and by sending prompting, reminds the accumulation of heat component of user's air-conditioner to there is exception, so that user is timely
Repaired；Further, the prompting mode of failure can be：Audible alarm, light warning or be sound and light group
Alarm is closed, is not limited to this.
In the present invention, term " multiple " then refers to two or more, unless otherwise clearly restriction.Term " peace
The term such as dress ", " connected ", " connection ", " fixation " all should be interpreted broadly, for example, " connection " can be fixedly connected, it is also possible to
It is to be detachably connected, or is integrally connected；" connected " can be joined directly together, it is also possible to be indirectly connected to by intermediary.It is right
For one of ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that the specific features, structure, material or the feature that are described with reference to the embodiment or example are contained in of the invention at least one real
In applying example or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or reality
Example.And, the specific features of description, structure, material or feature can in one or more any embodiments or example with
Suitable mode is combined.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (12)
1. a kind of air-conditioner, the air-conditioner includes：Compressor, the indoor heat exchanger and outdoor being connected with the compressor is changed
Hot device, and it is arranged on the throttling arrangement between the indoor heat exchanger and the outdoor heat exchanger, it is characterised in that the air-conditioning
Device also includes：
Four-way reversing valve, between the compressor and the indoor heat exchanger and the outdoor heat exchanger, the four-way is changed
To valve two orifices described in compressor gas outlet and one end of the indoor heat exchanger, the four-way reversing valve it is another
One end of the air inlet of compressor and the outdoor heat exchanger described in two orifices；
Accumulation of heat component, is arranged at the air inlet of the outdoor heat exchanger or at gas outlet；
First stop valve, is arranged between the outdoor heat exchanger and the four-way reversing valve, with the accumulation of heat modules in parallel；
Wherein, the accumulation of heat component includes：
Storage heater, heat-storing material is accommodated in the storage heater；
Electric heating part, is arranged on inside the storage heater；
Temperature sensor, is arranged on inside the storage heater surface or storage heater.
2. air-conditioner according to claim 1, it is characterised in that the accumulation of heat component also includes：
Capillary, is arranged between the outdoor heat exchanger and the four-way reversing valve, is connected with the storage heater.
3. air-conditioner according to claim 1, it is characterised in that
The heat-storing material is phase-change material.
4. air-conditioner according to claim 3, it is characterised in that
The phase-change material is water, paraffin, glycol water or 12 water disodium hydrogen phosphates.
5. air-conditioner according to any one of claim 1 to 4, it is characterised in that
Second stop valve, is arranged between the indoor heat exchanger and the outdoor heat exchanger, in parallel with the throttling arrangement.
6. a kind of air-conditioner detection method of accumulation of heat component operation state, for as any one of claim 1 to 5
Air-conditioner, it is characterised in that the detection method includes：
When defrost condition is met, into defrost pattern；
The electric heating part is opened, meanwhile, the temperature of real-time detection accumulation of heat component；
Calculate the temperature rise rate of the accumulation of heat component；
The temperature rise rate of the accumulation of heat component is compared with default temperature rise rate scope；
When the temperature rise rate of the accumulation of heat component is not in the range of the default temperature rise rate, then the accumulation of heat component is judged
Working condition exception；
When the temperature rise rate of the accumulation of heat component is in the default temperature rise rate scope, then the working condition of the accumulation of heat component
Normally.
7. the air-conditioner according to claim 6 detection method of accumulation of heat component operation state, it is characterised in that described to work as
When the temperature rise rate of the accumulation of heat component is not in the range of the default temperature rise rate, then the work shape of the accumulation of heat component is judged
State exception, specifically includes：
When the temperature rise rate of the accumulation of heat component is more than or equal to the first default temperature rise rate, then judge in the storage heater
Heat-storing material is very few or rotten；
When the real-time temperature rise rate of the accumulation of heat component is less than or equal to the second default temperature rise rate, then the accumulation of heat component is judged
Temperature whether in the default transition temperature range of the phase-change material of the accumulation of heat component；
When the temperature of the accumulation of heat component is in the default transition temperature range of the phase-change material of the accumulation of heat component, return and continue
Real-time detection simultaneously calculates the temperature rise rate of the accumulation of heat component；
When the temperature of the accumulation of heat component is not in the default transition temperature range of the phase-change material of the accumulation of heat component, then judge
Go out the electric heating part failure；
Wherein, the described first default temperature rise rate is more than the described second default temperature rise rate.
8. the air-conditioner according to claim 7 detection method of accumulation of heat component operation state, it is characterised in that
The default temperature rise rate scope is less than the described first default temperature rise rate, more than the described second default temperature rise rate.
9. the air-conditioner according to claim 8 detection method of accumulation of heat component operation state, it is characterised in that
Described first default temperature rise rate is that every five seconds for example clock raises M DEG C, and the span of the M is 1 to 40；
Described second default temperature rise rate is to raise within every 1 minute N DEG C, and the span of the N is 1 to 5.
10. the air-conditioner according to claim 6 detection method of accumulation of heat component operation state, it is characterised in that described
The temperature rise rate of the accumulation of heat component is calculated, is specifically included：
Record the temperature increase of the accumulation of heat component in Preset Time；
By formula R=Δ T/t, the temperature rise rate R of the accumulation of heat component is calculated；
Wherein, Δ T is temperature increase, and t is Preset Time.
11. air-conditioner according to any one of claim 6 to 10 detection method of accumulation of heat component operation state, it is special
Levy and be,
Show the working condition of the accumulation of heat component.
12. air-conditioner according to any one of claim 6 to 10 detection method of accumulation of heat component operation state, it is special
Levy and be,
When the working condition of the accumulation of heat component is abnormal, prompting is sent, and be stopped.
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| CN110006090A (en) * | 2019-03-27 | 2019-07-12 | 北京大学 | A kind of phase-transition heat-storage heating installation |
| CN110701820A (en) * | 2019-10-25 | 2020-01-17 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110715486A (en) * | 2019-10-25 | 2020-01-21 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN110715483A (en) * | 2019-10-25 | 2020-01-21 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof, and computer-readable storage medium |
| CN111351309A (en) * | 2020-03-11 | 2020-06-30 | 合肥美的电冰箱有限公司 | Refrigeration equipment and fault detection method, control method and processing device thereof |
| CN113531669A (en) * | 2021-07-12 | 2021-10-22 | 珠海格力电器股份有限公司 | Electric auxiliary heating module control method and device for air conditioner |
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| CN106705305B (en) | 2020-06-26 |
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