CN107166869A - The fault detection method and computer-readable storage medium of refrigerator Air-conditioning system - Google Patents
The fault detection method and computer-readable storage medium of refrigerator Air-conditioning system Download PDFInfo
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- CN107166869A CN107166869A CN201710548067.2A CN201710548067A CN107166869A CN 107166869 A CN107166869 A CN 107166869A CN 201710548067 A CN201710548067 A CN 201710548067A CN 107166869 A CN107166869 A CN 107166869A
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- vavuum pump
- conditioning system
- air
- rotating speed
- detection method
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
Abstract
The invention provides a kind of fault detection method and computer-readable storage medium of refrigerator Air-conditioning system.The fault detection method of wherein refrigerator Air-conditioning system includes：Pass through the actual speed of Rotating speed measring electric circuit inspection vavuum pump；Judge whether the actual speed of vavuum pump is in the rated speed scope of the vavuum pump obtained in advance；And if it is not, determine that air conditioning apparatus break down and export corresponding failure code according to the actual speed of vavuum pump, wherein failure code includes vacuum pump failure code, principal fault code and gas shutoff failure code.The solution of the present invention, quick detection can have the failure of Air-conditioning system in a straightforward manner and determine the particular type of failure, so as to provide prerequisite for subsequent treatment failure, Air-conditioning system is avoided to nonserviceable lower longtime running, cause the atmosphere in fresh-keeping space it is impossible to meet the storage demand of food materials, the functional reliability of Air-conditioning system is effectively improved, the storage effect of food materials is improved, the usage experience of user is lifted.
Description
Technical field
The present invention relates to refrigeration technology field, the fault detection method of more particularly to a kind of refrigerator Air-conditioning system and calculating
Machine storage medium.
Background technology
As social development and people's living standard are increasingly improved, and the rhythm of life of people is more and more faster, Ren Menjing
Substantial amounts of article can be often bought to be placed in all kinds of refrigerators, but for leafy vegetable and melon and fruit based food, the storing of refrigerator
Low temperature in space can not only make the epidermis of these foods the phenomenon of corrugation and spot occur, can also influence their original tastes
And nutrition.
In the preservation technology of refrigerator, the oxidation of food, respiration are all closely related in oxygen and refrigerator.Food
Breathing is slower, and the oxidation of food is lower, and fresh keeping time is also longer.The oxygen content in air is reduced, to food fresh keeping
With obvious effect.At present, in order to reduce the content of oxygen in refrigerator, generally entered in the prior art using controlled atmosphere technology
Row hypoxemia is fresh-keeping.
Controlled atmosphere technology refers to the atmosphere (gas componant by adjusting closing space residing for storage thing in general manner
Ratio or gas pressure) mode extend the technology of shelf life of food products, its general principle is：In certain closing space
It is interior, the atmosphere different from normal air constituent is obtained by various regulative modes, to suppress to cause storage thing (usually to eat
Material) putrid and deteriorated physiological and biochemical procedure and microorganism activity.Especially, in this application, the controlled atmosphere discussed will
Specifically designed in the controlled atmosphere technology that gas component ratio is adjusted.
Those skilled in the art know that normal air constituent includes and (presses volume percentage, hereafter together)：About 78%
Nitrogen, about 21% oxygen, about 0.939% rare gas (helium, neon, argon, krypton, xenon, radon), 0.031% carbon dioxide, with
And 0.03% other gases and impurity (for example, ozone, nitric oxide, nitrogen dioxide, vapor etc.).In controlled atmosphere neck
Domain, generally reduces by the way of oxygen content to obtain the fresh-keeping gas of rich nitrogen oxygen deprivation using being filled with nitrogen-rich gas to closing space
Atmosphere.Here, those skilled in the art know, nitrogen-rich gas refer to that nitrogen content exceedes nitrogen content in above-mentioned normal air
Gas, such as nitrogen content therein can be 95%~99%, even more high；And the fresh-keeping atmosphere of rich nitrogen oxygen deprivation refers to
Nitrogen content exceedes the gas atmosphere that nitrogen content, oxygen content in above-mentioned normal air are less than oxygen content in above-mentioned normal air
Enclose.
Sealing space often is set as fresh-keeping chamber in storage space in the prior art, and guarantor is adjusted by Air-conditioning system
The atmosphere of fresh room.But the functional reliability of current Air-conditioning system can not ensure, it is impossible to find that Air-conditioning system goes out in time
Existing failure, the storage effect for the food materials being easily caused in fresh-keeping chamber is affected, and reduces the usage experience of user.
The content of the invention
It is an object of the invention to improve the functional reliability of refrigerator Air-conditioning system.
The present invention one improves the storage of food materials in refrigerator further objective is that to extend the service life of Air-conditioning system
Effect.
Especially, the invention provides a kind of fault detection method of refrigerator Air-conditioning system, wherein refrigerator includes casing, its
Inside, which is defined, is provided with fresh-keeping space in storage space and compressor bin, storage space；Air-conditioning system, including be arranged at described
The controlled atmosphere membrane module in fresh-keeping space and the vavuum pump for being arranged at the compressor bin, the Air-conditioning system are configured to adjust the guarantor
Atmosphere in fresh space；And Rotating speed measring circuit, it is connected with vavuum pump, is configured to detect the rotating speed of vavuum pump, and
Fault detection method includes：Pass through the actual speed of Rotating speed measring electric circuit inspection vavuum pump；Judging the actual speed of vavuum pump is
The no rated speed scope in the vavuum pump obtained in advance；And if it is not, determine that air conditioning apparatus break down and according to vacuum
The actual speed of pump exports corresponding failure code, wherein failure code include vacuum pump failure code, principal fault code and
Gas shutoff failure code.
Alternatively, the rated speed scope of vavuum pump is more than or equal to the second rotating speed and is less than or equal to the 3rd rotating speed, and root
The step of exporting corresponding failure code according to the actual speed of vavuum pump includes：It is less than the first rotating speed in the actual speed of vavuum pump
Or during more than four rotating speeds, export vacuum pump failure code；It is more than or equal to the first rotating speed in the actual speed of vavuum pump and is less than
During the second rotating speed, principal fault code is exported；It is more than the 3rd rotating speed and less than or equal to the 4th rotating speed in the actual speed of vavuum pump
When, gas shutoff failure code is exported, wherein the first rotating speed, which is less than the second rotating speed, is less than the 3rd rotating speed less than the 4th rotating speed.
Alternatively, when exporting vacuum pump failure code, control vavuum pump is shut down, and records machine stop times.
Alternatively, also include after the step of recording machine stop times：Judge whether machine stop times are less than preset times；With
And if so, restart vavuum pump after the first preset duration is shut down, and the actual speed of vavuum pump is detected, to carry out again
Fault detect.
Alternatively, when machine stop times are more than or equal to preset times, after the operation in the fresh-keeping space of user's unlatching is obtained
Vavuum pump is restarted, and detects the actual speed of vavuum pump, to carry out fault detect again.
Alternatively, vavuum pump is restarted after the operation in the fresh-keeping space of user's unlatching is obtained, still exports vavuum pump
During failure code, forbid vavuum pump to restart, and export fault cues signal.
Alternatively, when exporting principal fault code or gas shutoff failure code, control vavuum pump is shut down, and when recording shutdown
Between.
Alternatively, also include after the step of vavuum pump is shut down is controlled：In the user obtained in advance often with period weight
It is new to start vavuum pump, the actual speed of vavuum pump is detected, to carry out fault detect again.
Alternatively, vavuum pump often is restarted with the period in the user obtained in advance, still exports principal fault code
Or during gas shutoff failure code, obtain current time simultaneously be compared with downtime, the failure judgement duration whether be more than etc.
In the second preset duration, and if so, reset rated speed scope according to the actual speed of the vavuum pump of current time, and remove
Principal fault code or gas shutoff failure code.
According to another aspect of the present invention, a kind of computer-readable storage medium is additionally provided, wherein the computer journey that is stored with
Sequence, and cause the place equipment of computer-readable storage medium to perform any of the above-described kind of refrigerator Air-conditioning system during computer program operation
Fault detection method.
The fault detection method and computer-readable storage medium of the refrigerator Air-conditioning system of the present invention, wherein refrigerator Air-conditioning system
The actual speed that fault detection method passes through Rotating speed measring electric circuit inspection vavuum pump；Judge whether the actual speed of vavuum pump is in
The rated speed scope of the vavuum pump obtained in advance；And if it is not, determine that air conditioning apparatus break down and according to the reality of vavuum pump
Border rotating speed exports corresponding failure code, and wherein failure code includes vacuum pump failure code, principal fault code and gas shutoff event
Hinder code, quick detection can have the failure of Air-conditioning system in a straightforward manner and determine the particular type of failure, so that after being
Continuous handling failure provides prerequisite, it is to avoid Air-conditioning system is nonserviceabled lower longtime running, causes the gas atmosphere in fresh-keeping space
The storage demand it is impossible to meet food materials is enclosed, the functional reliability of Air-conditioning system is effectively improved, the storage effect of food materials is improved, carries
Rise the usage experience of user.
Further, the fault detection method and computer-readable storage medium of refrigerator Air-conditioning system of the invention, in vavuum pump
Actual speed be less than the first rotating speed or during more than four rotating speeds, export vacuum pump failure code；In the actual speed of vavuum pump
More than or equal to the first rotating speed and less than the second rotating speed when, export principal fault code；It is more than the 3rd in the actual speed of vavuum pump
Rotating speed and less than or equal to four rotating speeds when, export gas shutoff failure code, different failure codes to that should have different control flows,
The service life of the different faults of Air-conditioning system appearance, effectively extension Air-conditioning system can be solved.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the signal of the applicable refrigerator of fault detection method of refrigerator Air-conditioning system according to an embodiment of the invention
Property structure chart；
Fig. 2 is the schematic diagram of Fig. 1 refrigerator from another angle；
Fig. 3 is the schematic diagram of the fault detection method of refrigerator Air-conditioning system according to an embodiment of the invention；
Fig. 4 is the detail flowchart of the fault detection method of refrigerator Air-conditioning system according to an embodiment of the invention；
Fig. 5 is the detail flowchart of the fault detection method of refrigerator Air-conditioning system in accordance with another embodiment of the present invention；
And
Fig. 6 is the schematic diagram of computer-readable storage medium according to an embodiment of the invention.
Embodiment
Fig. 1 is the applicable refrigerator 100 of fault detection method of refrigerator Air-conditioning system according to an embodiment of the invention
Schematic diagram, Fig. 2 is the schematic diagram of the refrigerator 100 of Fig. 1 from another angle.Refrigerator in the present embodiment
100 can realize controlled atmosphere to the fresh-keeping space in storage space, to meet the storage requirements of article in fresh-keeping space.The refrigerator
100 can include in general manner：Casing 10, Air-conditioning system and Rotating speed measring circuit.
Wherein, storage space 101 and compressor bin are defined inside casing 10.The quantity and structure of storage space 101
It can be configured according to demand, Fig. 1 shows the feelings in the first space set gradually up and down, second space and the 3rd space
Condition；Space above is configurable to refrigerating space, reefer space, alternating temperature space or fresh-keeping space according to purposes difference.Each
Storage space can be divided into multiple storage areas by demarcation strip, utilize rack or drawer storage article.The present embodiment
Fresh-keeping space is provided with the storage space of refrigerator 100.
Refrigerator 100 can also include door body 20, be arranged at the preceding surface of casing 10, for closing storage space 101.Door body
It can be correspondingly arranged with storage space, i.e., each storage space is to that should have one or more door body.And storage space and door
The quantity of body, the function of storage space can be by concrete condition actual selections.Set gradually above and below the correspondence of refrigerator 100 of the present embodiment
The first space, second space, the 3rd space, be respectively arranged with the first door body, the second door body, the 3rd door body.Door body can be with pivot
It is arranged at the preceding surface of casing 10 with turning, can also be opened using drawer type, to realize the storage space of drawer type, wherein drawer type
Storage space be often provided with metal sliding rail, it is ensured that effect is soft during drawer open and close, it is possible to reduction make an uproar
Sound.The door-opening mode in the first space of the refrigerator 100 of the present embodiment is opened for pivoted, the enabling in second space and the 3rd space
Mode is opened for drawer type.Above door-opening mode is only to enumerate, and not limitation of the invention.In some other embodiment
In, the opening ways of each storage space can be different forms.
Air-conditioning system, including be arranged at the controlled atmosphere membrane module in the fresh-keeping space and be arranged at the vacuum of the compressor bin
Pump, the Air-conditioning system is configured to adjust the atmosphere in the fresh-keeping space.Specifically, controlled atmosphere membrane module is arranged at fresh-keeping
Space and its surrounding space is connected with fresh-keeping space, each controlled atmosphere membrane module has at least one controlled atmosphere film and an oxygen rich gas
Collecting chamber, and the oxygen being arranged so that in controlled atmosphere membrane module surrounding space air-flow more passes through gas relative to nitrogen therein
Film is adjusted to enter oxygen rich gas collecting chamber.Vavuum pump is arranged in compressor bin, its entrance point controllably with oxygen rich gas collecting chamber
Connection.
The refrigerator 100 of the present embodiment can be limited fresh-keeping space by sealed drawer, and fresh-keeping interior volume can be provided with
Controlled atmosphere membrane module, the internal gas atmosphere in fresh-keeping space is adjusted by a vavuum pump.In some optional embodiments
In, above-mentioned multiple fresh-keeping spaces can also be limited by seal box, hermetically sealed can, seal box etc..Casing 10 can include inner bag, its
Inside limit storage space.Sealed drawer includes：Drawer cylinder, with preceding to opening, and is fixed on inner bag, defines guarantor in it
Fresh space；And drawer body 13, be slidably mounted in drawer cylinder, with from the forward direction opening of drawer cylinder operationally
Outwards extract and be inwardly inserted into drawer cylinder out.Drawer cylinder can be arranged at the bottom of inner bag, in some other embodiment, take out
Drawer cylinder may also set up in the middle part or top of inner bag.In this embodiment, inner bag and drawer cylinder can be integrally formed, also can be single
Alone become type and then installed again.
In some embodiments of the invention, controlled atmosphere membrane module may be disposed on drawer cylinder, be preferably provided at drawer
The roof of cylinder.Specifically, the accommodating chamber connected with fresh-keeping space is provided with the roof of drawer cylinder, to house controlled atmosphere film group
Part.In the present embodiment, controlled atmosphere film is oxygen permeable membrane, and controlled atmosphere membrane module can be oxygen-enriched membrane component.Oxygen-enriched membrane component utilizes air
Infiltration rate during middle each component gas permeation oxygen permeable membrane is different, under pressure differential driving, makes oxygen in air preferential by richness
Oxygen film and obtain oxygen.In some other embodiment, controlled atmosphere film can also be hollow-fibre membrane, during controlled atmosphere membrane module can be
Hollow fiber membrane module, hollow fiber film assembly utilizes the transmitance of each component gas permeation hollow-fibre membrane in air different, by
It is less than nitrogen molecular in oxygen molecule, oxygen molecule can preferentially obtain oxygen through hollow-fibre membrane.
Vavuum pump is arranged in compressor bin, and its entrance point is controllably connected with oxygen rich gas collecting chamber.Due to controlled atmosphere film
Oxygen in component surrounding space air-flow more enters oxygen rich gas collecting chamber relative to nitrogen therein through controlled atmosphere film, because
And the gas in oxygen rich gas collecting chamber is generally oxygen rich gas.
In the case where controlled atmosphere film is oxygen permeable membrane, vavuum pump passes through the pipeline that is connected with fresh-keeping space oxygen rich gas collecting chamber
Outwards pumping, so that the pressure of oxygen rich gas collecting chamber is less than the pressure in fresh-keeping space.That is, vavuum pump is outwards being evacuated
When, the air in fresh-keeping space can flow to oxygen-enriched membrane component, and make in the presence of oxygen-enriched membrane component air in fresh-keeping space
In part or all of oxygen enter oxygen rich gas collecting chamber, fresh-keeping space is discharged by by pipeline and vavuum pump, so as to protect
Rich nitrogen oxygen deprivation is obtained in fresh space in favor of the atmosphere of food fresh-keeping.Vavuum pump can be installed in seal box, and is passed through
Mounting base is installed in compressor bin.Vavuum pump is arranged in compressor bin, can make full use of compressor bin space, not additionally
Take elsewhere, therefore the additional volumes of refrigerator will not be increased, the compact conformation of refrigerator can be made.
Rotating speed measring circuit, is connected with vavuum pump, is configured to detect the rotating speed of vavuum pump.The rated speed of vavuum pump has one
Individual scope, for example can be [S1-x, S1+x].Wherein S1 is considered as a reference rotation speed, if detecting the reality of vavuum pump
Rotating speed away from the reference rotation speed certain scope (for example x) within, i.e., the actual speed of vavuum pump is in interval [S1-x, S1+
X], then it can determine that the running status of Air-conditioning system is normal, not break down.It should be noted that whole due to vavuum pump
The individual operation phase can be divided into：Startup, steady, shutdown three phases, usually, Rotating speed measring circuit is in steady in vavuum pump
The rotating speed of vavuum pump is detected during the stage, i.e. the rated speed scope of vavuum pump is in vavuum pump even running by Rotating speed measring circuit
During obtain.
Fig. 3 is the schematic diagram of the fault detection method of refrigerator Air-conditioning system according to an embodiment of the invention.The refrigerator
The fault detection method of Air-conditioning system is applied to the refrigerator 100 of above-described embodiment, can be to the failure of the Air-conditioning system of refrigerator 100
Detected.As shown in figure 3, the fault detection method of the refrigerator Air-conditioning system includes：
Step S302, passes through the actual speed of Rotating speed measring electric circuit inspection vavuum pump；
Step S304, judges whether the actual speed of vavuum pump is in the rated speed scope of the vavuum pump obtained in advance,
If it is not, performing step S306；
Step S306, determines that air conditioning apparatus break down and export corresponding code event according to the actual speed of vavuum pump
Barrier.
In above step, because the rated speed scope of vavuum pump is in vavuum pump even running by Rotating speed measring circuit
During obtain in advance, the actual speed of the vavuum pump in step S302 is also in flat by Rotating speed measring circuit in vavuum pump
Detection is obtained during the steady operation phase.The scientific rationality of actual speed and rated speed scope process can be ensured to compare, improved
Detect the degree of accuracy of failure.
The rated speed of vavuum pump in step S304 may range from being more than or equal to the second rotating speed and less than or equal to the 3rd
Rotating speed.For example, it is S1-x, the 3rd rotating speed that the rated speed scope of vavuum pump, which can be interval [S1-x, S1+x], i.e. the second rotating speed,
For S1+x.If the actual speed of vavuum pump is not on the rated speed scope, step S306 can be performed.If the reality of vavuum pump
Border rotating speed is in the rated speed scope, illustrates Air-conditioning system normal operation, without failure, can be normally carried out work, adjusts
The atmosphere in fresh-keeping space.
The step of exporting corresponding code failure according to the actual speed of vavuum pump in step S306 can include：In vacuum
When the actual speed of pump is less than the first rotating speed or more than four rotating speeds, vacuum pump failure code is exported；Turn in the reality of vavuum pump
When speed is more than or equal to the first rotating speed and is less than the second rotating speed, principal fault code is exported；It is more than the in the actual speed of vavuum pump
Three rotating speeds and less than or equal to four rotating speeds when, export gas shutoff failure code, wherein the first rotating speed be less than the second rotating speed be less than the 3rd
Rotating speed is less than the 4th rotating speed.In a specific embodiment, the first rotating speed can be S1-y, and the second rotating speed can be S1-x,
3rd rotating speed can be S1+x, and the 4th rotating speed can be S1+y, and wherein y is more than x, in a word, and it is small that the first rotating speed is less than the second rotating speed
It is less than the 4th rotating speed in the 3rd rotating speed.
Because current prior art tends not to enough find that Air-conditioning system breaks down in time, controlled atmosphere system may result in
System longtime running causes service life significantly to shorten in malfunction.Even if whether detection Air-conditioning system breaks down, existing
Also judge in technology simply by the atmosphere situation in fresh-keeping space is obtained Air-conditioning system whether normal work, detection therefore
Can not the process of barrier be slowly poorly efficient, and accurately know the fault type of Air-conditioning system, so as to can not be subsequent treatment failure
Provide the necessary technical support.
And the fault detection method of the refrigerator Air-conditioning system of the present embodiment, can by way of detecting vacuum revolution speed,
Quickly and easily detect the failure of Air-conditioning system and determine the particular type of failure, so as to provide prerequisite for subsequent treatment failure
Condition, it is to avoid Air-conditioning system is nonserviceabled lower longtime running, causing the atmosphere in fresh-keeping space, it is impossible to meet food materials
Storage demand, effectively improves the functional reliability of Air-conditioning system, improves the storage effect of food materials, lifts the usage experience of user.
On the basis of a upper embodiment, Fig. 4 is the failure inspection of refrigerator Air-conditioning system according to an embodiment of the invention
The detail flowchart of survey method.Step S306 of the fault detection method of the refrigerator Air-conditioning system of the present embodiment in above-described embodiment
Performed during output vacuum pump failure code, the fault detection method of the refrigerator Air-conditioning system includes：
Step S402, exports vacuum pump failure code；
Step S404, control vavuum pump is shut down；
Step S406, vavuum pump is restarted after the first preset duration is shut down, and detects the actual speed of vavuum pump,
To carry out fault detect again；
Step S408, judges whether to export vacuum pump failure code, if so, step S410 is performed, if it is not, performing step
S424；
Step S410, control vavuum pump is shut down；
Step S412, vavuum pump is restarted after the first preset duration is shut down, and detects the actual speed of vavuum pump,
To carry out fault detect again；
Step S414, judges whether to export vacuum pump failure code, if so, step S416 is performed, if it is not, performing step
S424；
Step S416, control vavuum pump is shut down；
Step S418, restarts vavuum pump, and detect vavuum pump after the operation in the fresh-keeping space of user's unlatching is obtained
Actual speed, to carry out fault detect again；
Step S420, judges whether to export vacuum pump failure code, if so, step S422 is performed, if it is not, performing step
S424；
Step S422, forbids vavuum pump to restart, and exports fault cues signal, performs step S426；
Step S424, removes failure code.
The fault detection method of the refrigerator Air-conditioning system of the present embodiment exports vavuum pump in the step S306 of above-described embodiment
Performed during failure code, i.e. step S402 is to export vacuum pump failure code for the first time.
Vavuum pump is controlled to record machine stop times after shutting down in step S404.If machine stop times are less than default time
Number, vavuum pump is restarted after the first preset duration is shut down, and detects the actual speed of vavuum pump, to carry out failure again
Detection.When machine stop times are more than or equal to preset times, restarted after the operation in the fresh-keeping space of user's unlatching is obtained true
Empty pump, and the actual speed of vavuum pump is detected, to carry out fault detect again.Preset times can be set according to actual conditions
Put, the preset times of the present embodiment are 3, thus be to shut down to open again after the first preset duration when machine stop times are 1,2
Dynamic vavuum pump, i.e. step S406 and step S412；And when machine stop times are 3, obtaining the operation in the fresh-keeping space of user's unlatching
Vavuum pump, i.e. step S418 are restarted afterwards.
The fresh-keeping space of user's unlatching can be obtained in step S418 by being arranged at the open-close detection apparatus in fresh-keeping space
Operation.After user opens fresh-keeping space, vavuum pump is restarted, its actual speed is detected, to carry out fault detect again,
If still exporting vavuum pump code, step S422 can be performed, forbids vavuum pump to restart, and exports fault cues signal.
The fault cues signal can be the buzzer warning sound sent by the boom unit being arranged on refrigerator 100, can also be setting
In the prompt message of the display device output on refrigerator 100.The step is carried out after user opens fresh-keeping space, it is ensured that defeated
The fault cues signal gone out is known in time by user so that user can have found the failure of Air-conditioning system in time and be repaired,
Extend the service life of Air-conditioning system.In addition, now vacuum pump failure can also make a noise, user can be further pointed out.
After step S402 for the first time output vacuum pump failure code, if not having after subsequent detection vavuum pump actual speed
There is output vacuum pump failure code, illustrate that failure is repaired automatically, the failure code before can removing, control controlled atmosphere system
System normal work, to adjust the atmosphere in fresh-keeping space.
The normal operating condition of general vavuum pump is shutdown B durations after work A durations.Thus first in above step
Preset duration can be B durations, it is ensured that the main body motor of vavuum pump can drop temperature after long-play heating
It is low to arrive certain temperature, rather than carry out fault detect again at once after output vacuum pump failure code, it is to avoid vavuum pump electricity
The high-temperature duration of machine is long.And can be heavy after the operation A durations in the fresh-keeping space of user's unlatching are obtained in step S418
It is new to start vavuum pump.In a kind of specific embodiment, A durations can be 0.5 hour, and B durations can be 7.5 hours.Need
Illustrate, the concrete numerical value of above A, B is only to enumerate, and not limitation of the invention.
The fault detection method of the refrigerator Air-conditioning system of the present embodiment, for the vacuum pump failure code of output, control is true
Empty pump records machine stop times after shutting down.If machine stop times are less than preset times, opened again after the first preset duration is shut down
Dynamic vavuum pump, and the actual speed of vavuum pump is detected, to carry out fault detect again.It is more than or equal to preset times in machine stop times
When, vavuum pump is restarted after the operation in the fresh-keeping space of user's unlatching is obtained, and the actual speed of vavuum pump is detected, with again
Secondary carry out fault detect, it is ensured that the fault cues signal of output is known in time by user so that user can have found in time
The failure of Air-conditioning system is simultaneously repaired, and extends the service life of Air-conditioning system.
Fig. 5 is the detail flowchart of the fault detection method of refrigerator Air-conditioning system in accordance with another embodiment of the present invention.
The fault detection method of the refrigerator Air-conditioning system of the present embodiment exports principal fault code or stifled in the step S306 of Fig. 3 embodiments
Performed during gas failure code, the fault detection method of the refrigerator Air-conditioning system includes：
Step S502, output principal fault code or gas shutoff failure code；
Step S504, control vavuum pump is shut down, and records downtime；
Step S506, often restarts vavuum pump, the reality of detection vavuum pump turns in the user obtained in advance with the period
Speed, to carry out fault detect again；
Step S508, judges whether output principal fault code or gas shutoff failure code, if so, step S510 is performed, if
It is no, perform step S516；
Step S510, obtains current time and is compared with downtime；
Whether step S512, the failure judgement duration is more than or equal to the second preset duration, if so, step S514 is performed,
If it is not, performing step S506；
Step S514, rated speed scope is reseted according to the actual speed of the vavuum pump of current time；
Step S516, removes failure code.
The fault detection method of the refrigerator Air-conditioning system of the present embodiment exports principal fault in the step S306 of Fig. 3 embodiments
Performed when code or gas shutoff failure code, i.e. step S502 is to export principal fault code or gas shutoff failure code for the first time.Its
There is leakage problem in middle principal fault code description Air-conditioning system；And gas shutoff failure code illustrates that Air-conditioning system has gas shutoff and asked
Topic, the two codes can illustrate the failure of Air-conditioning system, and not vavuum pump goes wrong.
User is often advance acquisition with the period in step S506, fridge freshness retaining can be opened within the longer term to user
The operation in space carries out statistical analysis, obtains the period that user usually opens fresh-keeping space.Failure is carried out within the period
Detection, it is ensured that when Air-conditioning system breaks down, the noise sent can in time be heard by user, so as to ensure that user can be with
Handled according to the actual conditions of oneself.
For example step S512 trouble durations be more than or equal to the second preset duration when, it is believed that user to noise not
Sensitivity, feels to be repaired, thus performs step S514, is reseted just according to the actual speed of the vavuum pump of current time
The normal range of speeds, and step S516 is performed, remove failure code.If user can not receive noise, Air-conditioning system needs are felt
Maintenance, directly can carry out maintenance process by Air-conditioning system.
Rated speed scope can be reseted according to the actual speed of the vavuum pump of current time in step S514.For example one
In individual specific embodiment, the first rotating speed can be S1-y, and the second rotating speed can be S1-x, and the 3rd rotating speed can be S1+x, the
Four rotating speeds can be S1+y, and wherein y is more than x, in a word, and the first rotating speed is less than the second rotating speed and is less than the 3rd rotating speed less than the 4th turn
Speed.Rated speed scope originally is interval [S1-x, S1+x], and reference rotation speed is S1.Now can be by the vacuum of current time
The actual speed of pump resets rated speed scope as reference rotation speed.If the reality of the vavuum pump of such as current time turns
Speed is S2, then the first rotating speed can be reset to S2-y, and the second rotating speed can be reset to S2-x, and the 3rd rotating speed can be S2+x, the
Four rotating speeds can be reset to S2+y.The rated speed reseted may range from [S2-x, S2+x].Afterwards can be according to reseting
Rated speed scope is judged the rotating speed of vavuum pump, determines the fault type of Air-conditioning system.
First time output principal fault code or gas shutoff failure code after, if subsequent detection vavuum pump actual speed it
Principal fault code or gas shutoff failure code are not exported afterwards, and such as step S508 does not export principal fault code or gas shutoff event
Hinder code, illustrate that failure is repaired automatically, the failure code before can removing controls Air-conditioning system normal work, with
Adjust the atmosphere in fresh-keeping space.
The fault detection method of the refrigerator Air-conditioning system of the present embodiment, for the principal fault code or gas shutoff failure of output
Code, often carries out fault detect again, it is ensured that when Air-conditioning system breaks down, the noise sent in user with the period
Can in time be heard by user, so as to ensure that user can be handled according to the actual conditions of oneself, user to insensitive for noise,
When feeling to be repaired, rated speed scope can be reseted according to the actual speed of the vavuum pump of current time, and clearly
Except failure code；User can not receive noise, when thinking that Air-conditioning system needs repairing, and directly can be tieed up Air-conditioning system
Processing is repaiied, user can either be reminded in time when Air-conditioning system breaks down, can in time be adjusted according to the actual demand of user again
The running status of whole Air-conditioning system, lifts the usage experience of user.
The present embodiment additionally provides a kind of computer-readable storage medium 200, and Fig. 6 is calculating according to an embodiment of the invention
The schematic diagram of machine storage medium 200, the computer-readable storage medium 200 preserves computer program 201, and computer program
Cause the event of the refrigerator Air-conditioning system of any of the above-described embodiment of place equipment execution of computer-readable storage medium 200 during 201 operation
Hinder detection method.The place equipment of wherein computer-readable storage medium 200 is refrigerator 100, can perform above-mentioned by refrigerator 100
The fault detection method of the refrigerator Air-conditioning system of one embodiment.
The computer-readable storage medium 200 of the present embodiment can be that (electrically erasable is read-only to be deposited for such as flash memory, EEPROM
Reservoir), EPROM, hard disk or ROM etc electronic memory.Computer-readable storage medium 200, which has, to be used to perform the above method
In any method and step computer program 201 memory space.These computer programs 201 can be from one or more
Read or be written in computer program product in this one or more computer program product.These computer programs are produced
Product include such as hard disk, the program code carrier of compact-disc (CD), storage card or floppy disk etc.Computer-readable storage medium 200
Place equipment operation above computer program 201 when, each step in the method for foregoing description can be performed.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of fault detection method of refrigerator Air-conditioning system, storing is defined wherein the refrigerator includes casing, inside it empty
Between and compressor bin, be provided with fresh-keeping space in the storage space；The Air-conditioning system, including it is arranged at the fresh-keeping space
Controlled atmosphere membrane module and be arranged at the vavuum pump of the compressor bin, the Air-conditioning system is configured in the regulation fresh-keeping space
Atmosphere；And Rotating speed measring circuit, it is connected with the vavuum pump, is configured to detect the rotating speed of the vavuum pump, and
The fault detection method includes：
Pass through the actual speed of vavuum pump described in the Rotating speed measring electric circuit inspection；
Judge whether the actual speed of the vavuum pump is in the rated speed scope of the vavuum pump obtained in advance；And
If it is not, determining that the air conditioning apparatus break down and export corresponding failure generation according to the actual speed of the vavuum pump
Code, wherein the failure code includes vacuum pump failure code, principal fault code and gas shutoff failure code.
2. the fault detection method of refrigerator Air-conditioning system according to claim 1, wherein,
The rated speed scope of the vavuum pump is more than or equal to the second rotating speed and less than or equal to the 3rd rotating speed, and according to described true
The step of actual speed of empty pump exports corresponding failure code includes：It is less than the first rotating speed in the actual speed of the vavuum pump
Or during more than four rotating speeds, export the vacuum pump failure code；It is more than or equal to described the in the actual speed of the vavuum pump
One rotating speed and during less than the second rotating speed, exports the principal fault code；It is more than the 3rd turn in the actual speed of the vavuum pump
Speed and during less than or equal to four rotating speed, exports the gas shutoff failure code, wherein first rotating speed is less than described second
Rotating speed is less than the 3rd rotating speed and is less than the 4th rotating speed.
3. the fault detection method of refrigerator Air-conditioning system according to claim 2, wherein,
When exporting the vacuum pump failure code, the vavuum pump is controlled to shut down, and record machine stop times.
4. the fault detection method of refrigerator Air-conditioning system according to claim 3, wherein the step of machine stop times are recorded
Also include afterwards：
Judge whether the machine stop times are less than preset times；And
If so, restart the vavuum pump after the first preset duration is shut down, and detect the actual speed of the vavuum pump,
To carry out fault detect again.
5. the fault detection method of refrigerator Air-conditioning system according to claim 4, wherein,
When the machine stop times are more than or equal to the preset times, after the operation in the fresh-keeping space of user's unlatching is obtained again
Start vavuum pump, and detect the actual speed of vavuum pump, to carry out fault detect again.
6. the fault detection method of refrigerator Air-conditioning system according to claim 5, wherein,
The vavuum pump is restarted after the operation in user's unlatching fresh-keeping space is obtained, the vavuum pump is still exported
During failure code, the vavuum pump is forbidden to restart, and export fault cues signal.
7. the fault detection method of refrigerator Air-conditioning system according to claim 2, wherein,
When exporting the principal fault code or the gas shutoff failure code, the vavuum pump is controlled to shut down, and record shutdown
Time.
8. the fault detection method of refrigerator Air-conditioning system according to claim 7, wherein controlling the vavuum pump to shut down
The step of after also include：
The vavuum pump often is restarted with the period in the user obtained in advance, the actual speed of the vavuum pump is detected, with
Fault detect is carried out again.
9. the fault detection method of refrigerator Air-conditioning system according to claim 8, wherein,
The vavuum pump often is restarted with the period in the user obtained in advance, the principal fault code or institute is still exported
When stating gas shutoff failure code, obtain current time and be compared with the downtime, judge that the trouble duration is
It is no to be more than or equal to the second preset duration, and if so, according to the actual speed of the vavuum pump of current time reset it is described just
The normal range of speeds, and remove the principal fault code or the gas shutoff failure code.
10. a kind of computer-readable storage medium, wherein the computer program that is stored with, and cause institute during computer program operation
The place equipment for stating computer-readable storage medium performs the event of refrigerator Air-conditioning system according to any one of claim 1 to 9
Hinder detection method.
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