CN105387559A - Air-conditioner and valve state detecting method and device thereof - Google Patents
Air-conditioner and valve state detecting method and device thereof Download PDFInfo
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- CN105387559A CN105387559A CN201510725690.1A CN201510725690A CN105387559A CN 105387559 A CN105387559 A CN 105387559A CN 201510725690 A CN201510725690 A CN 201510725690A CN 105387559 A CN105387559 A CN 105387559A
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- conditioner
- air
- temperature
- evaporimeter
- valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air-conditioner and a valve state detecting method and device thereof. The air-conditioner comprises a compressor, an inner draught fan and an outer draught fan; the valve state detecting method includes the steps that after being started, the air-conditioner is controlled to be in the first running state, wherein in the first running state, the compressor and the outer draught fan are in the starting state, and the inner draught fan is in the stopping state; and in the first running state, the valve state of the air-conditioner is detected, and therefore whether a valve of the air-conditioner is in the stopping state or not is detected. By means of the air-conditioner and the valve state detecting method and device, the effect of rapidly detecting the valve state of the air-conditioner is achieved.
Description
Technical field
The present invention relates to air-conditioner field, in particular to a kind of air-conditioner and valve state detection method thereof and device.
Background technology
At present, air-conditioner has the control valves such as volume damper, smoke-and fire-preventing valve, anti-fire smoke expelling valve.The volume damper of air-conditioner can regulate the air quantity of the inner blower of air-conditioner and outer blower fan, air-conditioner is stably worked and is in refrigeration mode, or heating mode; When the smoke-and fire-preventing valve of air-conditioner can produce smoke signal around air-conditioner detects, or carry out action when temperature reaches uniform temperature, make air-conditioner isolate smog or the intensity of a fire; The anti-fire smoke expelling valve of air-conditioner, when air-conditioner detects smoke signal, opens smoke discharging pipe, and starts chain smoke exhaust fan smoke evacuation, when producing naked light, the anti-fire smoke expelling valve of air-conditioner is closed, with by big fire shutoff, thus make air-conditioner fire and smoke exhaust, improve the security performance of air-conditioner.
But the valve of air-conditioner, when installation or after-sales service, if do not detect the valve state of air-conditioner in time and control it, causes air-conditioner to occur hidden danger in the process run, produces fault.Such as, when air-conditioner continuous service, when causing air-conditioner to be in heating mode or refrigeration mode because the valve of air-conditioner does not open, pressure at expulsion constantly increases, thus air-conditioner is broken down.At present, long to the valve detection time of air-conditioner.Owing to can not detect that the valve state of air-conditioner is cut-off state in time, thus safeguard measure can not be taked to air-conditioner in time.When air-conditioner pressure at expulsion because the valve state of air-conditioner be cut-off state and too high time, refrigeration when causing air-conditioner to be in refrigeration mode or heating effect when being in heating mode poor.The time detecting the valve state of air-conditioner due to air-conditioner is long, and when valve state air-conditioner being detected is cut-off state, the action that air-conditioner carries out protection operation is late, and the valve of air-conditioner is that cut-off state causes destruction to air-conditioner.On the other hand, inaccurate to the valve state testing result of air-conditioner, there will be air-conditioner by mistake protection or leak the situation of protection, thus have impact on user to the result of use of air-conditioner with disturb the maintenance of maintenance personal to air-conditioner.
For the problem of valve state length detection time of air-conditioner in correlation technique, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is to provide a kind of air-conditioner and valve state detection method thereof and device, with the problem that the valve state detection time at least solving air-conditioner is long.
To achieve these goals, according to an aspect of the present invention, a kind of valve state detection method of air-conditioner is provided.This air-conditioner comprises compressor, inner blower and outer blower fan, and the valve state detection method of this air-conditioner comprises: after air-conditioner start, controls air-conditioner and is in the first running status, wherein, in the first running status, compressor and outer blower fan are in opening, and inner blower is in closed condition; And whether be in cut-off state at the valve that the valve state of the first running status to air-conditioner detects air-conditioner.
Further, air-conditioner comprises evaporimeter, and whether the valve detecting air-conditioner is in cut-off state comprises: the turn-on temperature detecting evaporimeter, and wherein, the turn-on temperature of evaporimeter is evaporimeter temperature when air-conditioner is started shooting; Detect the running temperature of evaporimeter, wherein, the running temperature of evaporimeter is the temperature of evaporimeter in the running of air-conditioner; And judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value, wherein, when the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value, determine that the valve of air-conditioner is in cut-off state.
Further, air-conditioner also comprises condenser, and whether the valve detecting air-conditioner is in cut-off state also comprises: the running temperature detecting condenser, and wherein, the running temperature of condenser is the temperature of condenser in the running of air-conditioner; Detect the turn-on temperature of condenser, wherein, the turn-on temperature of condenser is the temperature of condenser when air-conditioner is started shooting; And judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to the second preset difference value, wherein, when the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value and the difference of the turn-on temperature of the running temperature of condenser and condenser is less than or equal to the second preset difference value, when determining that the difference that the valve of air-conditioner is in the turn-on temperature of cut-off state device is less than or equal to the first preset difference value, determine that the valve of air-conditioner is in cut-off state.
Further, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value and comprises: when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value A; When air-conditioner is in heating mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value C, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to the second preset difference value and comprises: when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value B; When air-conditioner is in heating mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value D.
Further, after whether the valve detecting air-conditioner at the valve state of the first running status to air-conditioner is in cut-off state, method also comprises: obtain the testing result in the first running status; If the valve going out air-conditioner at the first condition monitoring is in cut-off state, then control air-conditioner and be in the second running status, wherein, in the second running status, compressor, outer blower fan and inner blower are all in closed condition; Whether the valve detecting air-conditioner at the valve state of the second running status to air-conditioner is in cut-off state; And the testing result obtained in the second running status, wherein, in the testing result of the first running status with when being in cut-off state at the valve that the testing result of the second running status is air-conditioner, determine that the valve of air-conditioner is in cut-off state.
Further, air-conditioner also comprises cross valve, and when air-conditioner is in heating mode, in the first running status, cross valve is in off-position.
To achieve these goals, according to a further aspect in the invention, a kind of valve state checkout gear of air-conditioner is additionally provided.This air-conditioner comprises compressor, inner blower and outer blower fan, the valve state checkout gear of this air-conditioner comprises: the first control unit, for after air-conditioner start, control air-conditioner and be in the first running status, wherein, in the first running status, compressor and outer blower fan are in opening, and inner blower is in closed condition; And first detecting unit, whether be in cut-off state for the valve detecting air-conditioner at the valve state of the first running status to air-conditioner.
Further, air-conditioner comprises evaporimeter, and the first detecting unit comprises: first detection module, and for detecting the turn-on temperature of evaporimeter, wherein, the turn-on temperature of evaporimeter is evaporimeter temperature when air-conditioner is started shooting; Second detection module, for detecting the running temperature of evaporimeter, wherein, the running temperature of evaporimeter is the temperature of evaporimeter in the running of air-conditioner; And first judge module, whether the difference for the turn-on temperature of the running temperature and evaporimeter that judge evaporimeter is less than or equal to the first preset difference value, wherein, first detecting unit, for when the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value, determines that the valve of air-conditioner is in cut-off state.
Further, air-conditioner also comprises condenser, and the first detecting unit also comprises: the 3rd detection module, and for detecting the running temperature of condenser, wherein, the running temperature of condenser is the temperature of condenser in the running of air-conditioner; 4th detection module, for detecting the turn-on temperature of condenser, wherein, the turn-on temperature of condenser is the temperature of condenser when air-conditioner is started shooting; And second judge module, whether the difference for the turn-on temperature of the running temperature and condenser that judge condenser is less than or equal to the second preset difference value, wherein, first detecting unit also for when the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value and the difference of the turn-on temperature of the running temperature of condenser and condenser is less than or equal to the second preset difference value, determines that the valve of air-conditioner is in cut-off state.
Further, first judge module is used for when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value A, when air-conditioner is in heating mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value C, second judge module is used for when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value B, when air-conditioner is in heating mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value D.
Further, the valve state checkout gear of this air-conditioner also comprises: the first acquiring unit, valve for detecting air-conditioner at the valve state of the first running status to air-conditioner obtains the testing result in the first running status after whether being in cut-off state; Second control unit, is in cut-off state for the valve going out air-conditioner at the first condition monitoring, then control air-conditioner and be in the second running status, wherein, in the second running status, compressor, outer blower fan and inner blower are all in closed condition; Whether the second detecting unit, be in cut-off state for the valve detecting air-conditioner at the valve state of the second running status to air-conditioner; And second acquisition unit, for obtaining the testing result in the second running status, wherein, first detecting unit also for the testing result in the first running status with when being in cut-off state at the valve that the testing result of the second running status is air-conditioner, determines that the valve of air-conditioner is in cut-off state.
Further, the air-conditioner of the valve state checkout gear of this air-conditioner also comprises cross valve, and when air-conditioner is in heating mode, in the first running status, cross valve is in off-position.
To achieve these goals, according to a further aspect in the invention, additionally provide a kind of air-conditioner, this air-conditioner comprises the valve state checkout gear of air-conditioner of the present invention.
In the present invention, after air-conditioner start, be first in the first running status by controlling air-conditioner, in this first running status, compressor and outer blower fan are in opening, and inner blower is in closed condition; Whether the valve then detecting air-conditioner at the valve state of the first running status to air-conditioner is in cut-off state, solve the problem of valve state length detection time of air-conditioner, and then reach the effect of the valve state detecting air-conditioner fast.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the valve state detection method of air-conditioner according to a first embodiment of the present invention;
Fig. 2 is the flow chart of the valve state detection method of air-conditioner according to a second embodiment of the present invention;
Fig. 3 is the flow chart of the valve state detection method of air-conditioner according to a third embodiment of the present invention; And
Fig. 4 is the schematic diagram of the valve state checkout gear of air-conditioner according to the embodiment of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The application's scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the embodiment of the application's part, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
It should be noted that, term " first ", " second " etc. in the description of the application and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged, in the appropriate case so that the embodiment of the application described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Embodiments provide a kind of valve state detection method of air-conditioner.The valve state detection method of this air-conditioner is used for detecting the valve state of air-conditioner.
Fig. 1 is the flow chart of the valve state detection method of air-conditioner according to a first embodiment of the present invention.As shown in Figure 1, the valve state detection method of the air-conditioner of this embodiment comprises the following steps:
Step S201, after air-conditioner start, control air-conditioner and be in the first running status, wherein, in the first running status, compressor and outer blower fan are in opening, and inner blower is in closed condition.
Air-conditioner comprises compressor, inner blower and outer blower fan.After air-conditioner start, control air-conditioner and be in the first running status.Air-conditioner is when the first running status, and compressor and outer blower fan are in opening, and the inner blower of air-conditioner is in closed condition.The air-conditioner of the embodiment of the present invention also comprises cross valve, and preferably, when air-conditioner is in heating mode, in this first running status, cross valve is in off-position.
Step S202, whether the valve detecting air-conditioner at the valve state of the first running status to air-conditioner is in cut-off state.
There is two states in the process that the valve of air-conditioner runs at air-conditioner, comprise the open mode of valve and the cut-off state of valve.Preferably, when the valve of air-conditioner is in open mode, the pressure at expulsion of air-conditioner can be prevented too high, air-conditioner is normally run, when the valve of air-conditioner is in cut-off state, air-conditioner pressure at expulsion is too high, makes air-conditioner occur the potential safety hazards such as system leak, and then air-conditioner is broken down.After control air-conditioner is in the first running status, the valve state of air-conditioner is detected, whether is in cut-off state with the valve detecting air-conditioner, thus determine whether air-conditioner breaks down.
The air-conditioner of the embodiment of the present invention comprises evaporimeter, and preferably, whether the valve detecting air-conditioner is in cut-off state comprises: the turn-on temperature detecting evaporimeter; Detect the running temperature of evaporimeter; Judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value.Specifically, the turn-on temperature of evaporimeter is the temperature of evaporimeter when air-conditioner is started shooting, and detects the running temperature of evaporimeter when air-conditioner is started shooting.Air-conditioner is started shooting by detecting power on signal when starting shooting.When air-conditioner is started shooting, detected the temperature of the evaporimeter of air-conditioner by the temperature sensor that evaporimeter is installed.Run a period of time at air-conditioner according to power on signal start, temperature sensor on evaporimeter detects the running temperature of evaporimeter, and wherein, the running temperature of evaporimeter is the temperature of evaporimeter in the running of air-conditioner.After running temperature evaporimeter being detected, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value, when the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value, determine that the valve of air-conditioner is in cut-off state.
The air-conditioner of the embodiment of the present invention also comprises condenser, and preferably, whether the valve detecting air-conditioner is in cut-off state also comprises: the running temperature detecting condenser; Detect the turn-on temperature of condenser; And judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to the second preset difference value.Specifically, the running temperature of condenser is the temperature of condenser in the running of air-conditioner, detects the temperature of condenser in the running of air-conditioner.Condenser is provided with temperature sensor, when air-conditioner runs, is detected the running temperature of condenser by temperature sensor.When air-conditioner is started shooting, detected the turn-on temperature of condenser by the temperature sensor that condenser is installed.The turn-on temperature of condenser is the temperature of condenser when air-conditioner is started shooting.Judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to the second preset difference value.When the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value, and when the difference of the turn-on temperature of the running temperature of condenser and condenser is less than or equal to the second preset difference value, determine that the valve of air-conditioner is in cut-off state.
The mode of operation of air-conditioner comprises refrigeration mode and heating mode.Judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value and comprises: when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value A.When air-conditioner is in heating mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value C.Judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to the second preset difference value and comprises: when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value B; When air-conditioner is in heating mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value D.Specifically, when air-conditioner is in refrigeration mode, be less than or equal to preset difference value A in the difference of the turn-on temperature of the running temperature and evaporimeter of judging evaporimeter, and when judging that the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value B, determine that the valve of air-conditioner is in cut-off state, wherein, preset difference value A is the first preset difference value, and preset difference value B is the second preset difference value.When air-conditioner is in heating mode, preset difference value C is less than or equal in the difference of the turn-on temperature of the running temperature and evaporimeter of judging evaporimeter, and when judging that the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value D, determine that the valve of air-conditioner is in cut-off state, wherein, preset difference value C is the first preset difference value, and preset difference value D is the second preset difference value.
Detect at the valve state of the first running status to air-conditioner, also, be in opening at compressor and outer blower fan, when inner blower is in closed condition, whether the valve detecting air-conditioner is in cut-off state.After the valve of the first running status to air-conditioner detects, obtain the testing result of valve in the first running status of air-conditioner.If the valve of air-conditioner goes out for cut-off state at the first condition monitoring, then control air-conditioner and be in the second running status.Specifically, air-conditioner is when the second running status, and compressor, outer blower fan and inner blower are all in closed condition.Control compressor, outer blower fan and inner blower and be all in closed condition, and the valve state of air-conditioner is detected, thus whether the valve detecting air-conditioner is in cut-off state, obtain the testing result of valve in the second running status of air-conditioner.Preferably, in the testing result of the first running status with when being in cut-off state at the valve that the testing result of the second running status is air-conditioner, determine that the valve of air-conditioner is in cut-off state, thus realize the valve state detecting air-conditioner exactly.
After determining that the valve state of air-conditioner is cut-off state, alternatively, when air-conditioner is in refrigeration mode, the inner blower controlling air-conditioner is opened, and air-conditioner runs according to the windscreen preset.When air-conditioner is in heating mode, the cross valve controlling air-conditioner powers on, and cross valve commutates.Specifically; compressor sucks the refrigerant gas of low-temp low-pressure by the air intake duct of air-conditioner; then piston is driven to compress refrigerant gas by the running of motor; form the gas that high pressure is saturated, the condenser of air-conditioner carries out condensation to high pressure saturated gas, then carries out throttling by the throttling protection device of air-conditioner; pass in the evaporimeter of air-conditioner; realize cooling heat transferring, the final gas forming low-temp low-pressure, thus realize the effect of air-conditioner climate comfort.
This embodiment is after air-conditioner start, control air-conditioner and be in the first running status, air-conditioner is when the first running status, compressor and outer blower fan are in opening, inner blower is in closed condition, and whether the valve detecting air-conditioner at the valve state of the first running status to air-conditioner is in cut-off state, thus achieves the effect of the valve state detecting air-conditioner fast, the pressure at expulsion avoiding air-conditioner is too high, to the destruction that air-conditioner causes.
Fig. 2 is the flow chart of the valve state detection method of air-conditioner according to a second embodiment of the present invention.It should be noted that, the valve state detection method of the air-conditioner of this embodiment can as the preferred embodiment of the valve state detection method of the air-conditioner of first embodiment of the invention.As shown in Figure 2, the valve state detection method of the air-conditioner of this embodiment comprises the following steps:
Step S201, the start of air-conditioner refrigeration.
Air-conditioner, before start, detects power on signal.Air-conditioner, after power on signal being detected, start air-conditioner, and the mode of operation arranging air-conditioner is refrigeration mode according to power on signal.
Step S202, compressor is opened.
After the start of air-conditioner refrigeration, open the compressor of air-conditioner.
Step S203, outer blower fan is opened.
After the start of air-conditioner refrigeration, open the outer blower fan of air-conditioner.
Step S204, inner blower is closed.
After the start of air-conditioner refrigeration, close the inner blower of air-conditioner, to reach the effect of the valve state detecting air-conditioner fast.
Step S205, judges whether the valve of air-conditioner is in cut-off state.
Air-conditioner comprises evaporimeter and condenser, and evaporimeter is arranged on the indoor set of air-conditioner, and condenser is arranged on the off-premises station of air-conditioner.Alternatively, mounting temperature sensor on evaporimeter, detects the evaporating temperature of evaporimeter by the temperature sensor that evaporimeter is installed; Mounting temperature sensor on condenser, detects the condensation temperature of condenser by the temperature sensor that condenser is installed.
When running when air-conditioner is in refrigeration mode, detect the temperature of evaporimeter when refrigeration mode, and detect the temperature of condenser when refrigeration mode.Specifically, when air-conditioner powers on first, detect the turn-on temperature of evaporimeter when refrigeration mode, the turn-on temperature of evaporimeter at refrigeration mode of air-conditioner can be detected according to the power on signal of air-conditioner by temperature sensor, and the turn-on temperature recording evaporimeter is T
interior pipe 0.Detect the turn-on temperature of condenser when refrigeration mode, the turn-on temperature of condenser at refrigeration mode can be detected according to power on signal by temperature sensor, and the turn-on temperature recording condenser is T
outer tube 0.At the turn-on temperature T of record evaporimeter
interior pipe 0with the turn-on temperature T of record condenser
outer tube 0afterwards, run a period of time at air-conditioner, continuous detection is started to the evaporating temperature of evaporimeter and the condensation temperature of condenser.Alternatively, detect running time when air-conditioner is in refrigeration mode, whether running time when judging air conditioner heat-production pattern reaches Preset Time, and this Preset Time is the time of air-conditioner when being in refrigeration mode after stable operation.If judge that the running time of air-conditioner reaches Preset Time, detect the running temperature of evaporimeter, detect the temperature of evaporimeter in the running of air-conditioner by temperature sensor, and the running temperature recording evaporimeter is T
interior pipe.Detect the running temperature of condenser, detect the temperature of condenser in the running of air-conditioner by temperature sensor, and the running temperature recording condenser is T
outer tube.
Be in opening at compressor and outer blower fan, under inner blower is in closed condition, judge whether evaporimeter meets pre-conditioned in the temperature of refrigeration mode and condenser in the temperature of refrigeration mode.Specifically, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value A, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value B.Alternatively, when air-conditioner work is in refrigeration mode, to the turn-on temperature T of evaporimeter
interior pipe 0with the running temperature T of evaporimeter
interior pipeperform subtraction, obtain the first result of calculation, also, T
interior pipe 0-T
interior pipe; To the running temperature T of condenser
outer tubewith the turn-on temperature T of condenser
outer tube 0perform subtraction, obtain the second result of calculation, also, T
outer tube-T
outer tube 0; Judge the first result of calculation T
interior pipe 0-T
interior pipewhether be less than or equal to preset difference value A, also, judge T
interior pipe 0-T
interior pipewhether≤A sets up; Judge whether the second result of calculation is less than or equal to preset difference value B, also, T
outer tube-T
outer tube 0whether≤B sets up; If judge that the first result of calculation is less than or equal to preset difference value A and the second result of calculation is less than or equal to preset difference value B, also, T
interior pipe 0-T
interior pipe≤ A and T
outer tube-T
outer tube 0≤ B sets up, then judge that evaporimeter meets pre-conditioned in the temperature of refrigeration mode and condenser in the temperature of refrigeration mode, determine that the valve of air-conditioner is in cut-off state when air-conditioner is in refrigeration mode.
Step S206, compressor cuts out, and exogenous wind office closes.
After determining that the valve of air-conditioner is in cut-off state when air-conditioner is in refrigeration mode, control the compressor of air-conditioner, outer blower fan and inner blower and be all in closed condition.When the compressor of air-conditioner, outer blower fan and inner blower are all in closed condition; again perform step S202 to step S205; the valve state of air-conditioner is detected to determine whether the valve of air-conditioner is in cut-off state again; thus detect the state of the valve of air-conditioner exactly, exactly air-conditioner is protected.If determine that the valve of air-conditioner is in cut-off state when the compressor of air-conditioner, outer blower fan and inner blower are all in closed condition, then by the fault message of the display display air-conditioner of air-conditioner.Alternatively, the failure code produced because the valve of air-conditioner is in cut-off state when display display air-conditioner is in refrigeration mode.
Step S207, inner blower is opened.
If judge that evaporimeter does not meet pre-conditioned in the temperature of refrigeration mode and condenser in the temperature of refrigeration mode, then air-conditioner does not occur because the valve of air-conditioner is the fault of cut-off state, the inner blower controlling air-conditioner is opened, and air-conditioner normally runs according to pre-set windscreen.
Start shooting when the valve state detection method of the air-conditioner of this embodiment is in refrigeration mode by air-conditioner, the compressor controlling air-conditioner is opened, outer blower fan is opened, inner blower is closed, then judge whether the valve of air-conditioner is in cut-off state, if judge that the valve of air-conditioner is in cut-off state, the compressor then controlling air-conditioner cuts out, exogenous wind office closes, again the state of the valve of air-conditioner is detected, if judge that the valve of air-conditioner is in cut-off state, the inner blower then controlling air-conditioner is opened, thus reach the effect of the valve state detecting air-conditioner fast, and then the timely protection realized air-conditioner.
Fig. 3 is the flow chart of the valve state detection method of air-conditioner according to a third embodiment of the present invention.It should be noted that, the valve state detection method of the air-conditioner of this embodiment can as the preferred embodiment of the valve state detection method of the air-conditioner of first embodiment of the invention.As shown in Figure 3, the valve state detection method of the air-conditioner of this embodiment comprises the following steps:
Step S301, air conditioner heat-production is started shooting.
Air-conditioner, before start, detects power on signal.Air-conditioner, after power on signal being detected, start air-conditioner, and the mode of operation arranging air-conditioner is heating mode according to power on signal.
Step S302, compressor is opened.
After air conditioner heat-production start, open the compressor of air-conditioner.
Step S303, outer blower fan is opened.
After air conditioner heat-production start, open the outer blower fan of air-conditioner.
Step S304, inner blower is closed.
After air conditioner heat-production start, close the inner blower of air-conditioner, to reach the effect of the valve state detecting air-conditioner fast.
Step S305, cross valve does not power on.
After air conditioner heat-production start, the cross valve of air-conditioner does not power on, to reach the effect of the valve state detecting air-conditioner fast.
Step S306, judges whether the valve of air-conditioner is in cut-off state.
When running when air-conditioner is in heating mode, detect the temperature of evaporimeter when heating mode, and detect the temperature of condenser when heating mode.Specifically, when air-conditioner powers on first, detect the turn-on temperature of evaporimeter when heating mode, and the turn-on temperature recording evaporimeter is T
interior pipe 0.Detect the turn-on temperature of condenser when heating mode, and the turn-on temperature recording condenser is T
outer tube 0.At the turn-on temperature T of record evaporimeter
interior pipe 0with the turn-on temperature T of record condenser
outer tube 0afterwards, run a period of time at air-conditioner, continuous detection is started to the evaporating temperature of evaporimeter and the condensation temperature of condenser.Alternatively, detect running time when air-conditioner is in heating mode, judge whether running time when air-conditioner is in heating mode reaches Preset Time, this Preset Time is the time of air-conditioner when being in heating mode after stable operation.If judge that the running time of air-conditioner reaches Preset Time, detect the running temperature of evaporimeter, detect the temperature of evaporimeter in the running of air-conditioner by temperature sensor, and the running temperature recording evaporimeter is T
interior pipe.Detect the running temperature of condenser, detect the temperature of condenser in the running of air-conditioner by temperature sensor, and the running temperature recording condenser is T
outer tube.
Be in opening at compressor and outer blower fan, inner blower is in closed condition, when cross valve does not power on, judges whether evaporimeter meets pre-conditioned in the temperature of heating mode and condenser in the temperature of heating mode.Specifically, when air-conditioner is in heating mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value C, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value D.Alternatively, to the running temperature T of evaporimeter
interior pipewith the turn-on temperature T of evaporimeter
interior pipe 0perform subtraction, obtain the 3rd result of calculation, also, T
interior pipe-T
interior pipe 0; To the turn-on temperature T of condenser
outer tube 0with the running temperature T of condenser
outer tubeperform subtraction, obtain the 4th result of calculation, also, T
outer tube 0-T
outer tube; Judge the 3rd result of calculation T
interior pipe-T
interior pipe 0whether be less than or equal to preset difference value C, also, judge T
interior pipe-T
interior pipe 0whether≤C sets up; Judge whether the 4th result of calculation is less than or equal to preset difference value D, also, T
outer tube 0-T
outer tubewhether≤D sets up; If judge that the 3rd result of calculation is less than or equal to preset difference value C and the 4th result of calculation is less than or equal to preset difference value D, also, T
interior pipe-T
interior pipe 0≤ C and T
outer tube 0-T
outer tube≤ D sets up, then judge that evaporimeter meets pre-conditioned in the temperature of heating mode and condenser in the temperature of heating mode, determine that the valve of air-conditioner is in cut-off state when air-conditioner is in heating mode.
Due to when inner blower is in closed condition, the temperature difference between the gentle outer tube temperature of interior pipe will be more remarkable, thus, can realize the quick detection of valve state.
Step S307, compressor cuts out, and exogenous wind office closes.
After determining that the valve of air-conditioner is in cut-off state when air-conditioner is in heating mode, control the compressor of air-conditioner, outer blower fan and inner blower and be all in closed condition.When the compressor of air-conditioner, outer blower fan and inner blower are all in closed condition; again perform step S302 to step S306; the valve state of air-conditioner is detected to determine whether the valve of air-conditioner is in cut-off state again; thus detect the state of the valve of air-conditioner exactly, exactly air-conditioner is protected.If determine that the valve of air-conditioner is in cut-off state when the compressor of air-conditioner, outer blower fan and inner blower are all in closed condition, then by the fault message of the display display air-conditioner of air-conditioner.Alternatively, the failure code produced because the valve of air-conditioner is in cut-off state when display display air-conditioner is in heating mode.
Step S308, cross valve powers on.
If judge that evaporimeter does not meet pre-conditioned in the temperature of heating mode and condenser in the temperature of heating mode, then air-conditioner does not occur because the valve of air-conditioner is the fault of cut-off state, the cross valve controlling air-conditioner powers on, and the cross valve of air-conditioner powers on.
Start shooting when the valve state detection method of the air-conditioner of this embodiment is in heating mode by air-conditioner, the compressor controlling air-conditioner is opened, outer blower fan is opened, inner blower is closed, cross valve does not power on, then judge whether the valve of air-conditioner is in cut-off state, if judge that the valve of air-conditioner is in cut-off state, the compressor then controlling air-conditioner cuts out, exogenous wind office closes, again the state of the valve of air-conditioner is detected, if judge that the valve of air-conditioner is in cut-off state, the cross valve then controlling air-conditioner does not power on, thus reach the effect of the valve state detecting air-conditioner fast, and then the accurate protection realized air-conditioner.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
The embodiment of the present invention additionally provides a kind of valve state checkout gear of air-conditioner.It should be noted that, the valve state checkout gear of the air-conditioner of this embodiment may be used for the valve state detection method of the air-conditioner performing the embodiment of the present invention.
Fig. 4 is the schematic diagram of the valve state checkout gear of air-conditioner according to the embodiment of the present invention.The air-conditioner of this embodiment comprises compressor, inner blower and outer blower fan.As shown in Figure 4, the valve state checkout gear of this air-conditioner comprises: the first control unit 10 and the first detecting unit 20.
First control unit 10, for after air-conditioner start, control air-conditioner and be in the first running status, wherein, in the first running status, compressor and outer blower fan are in opening, and inner blower is in closed condition.Preferably, air-conditioner also comprises cross valve, and when air-conditioner is in heating mode, in the first running status, cross valve is in off-position.
Whether the first detecting unit 20, be in cut-off state for the valve detecting air-conditioner at the valve state of the first running status to air-conditioner.
The air-conditioner of the embodiment of the present invention comprises evaporimeter, and the first detecting unit 20 comprises first detection module, the second detection module and the first judge module.Specifically, first detection module, for detecting the turn-on temperature of evaporimeter, the turn-on temperature of evaporimeter is evaporimeter temperature when air-conditioner is started shooting; Second detection module, for detecting the running temperature of evaporimeter, the running temperature of evaporimeter is the temperature of evaporimeter in the running of air-conditioner; First judge module, whether the difference for the turn-on temperature of the running temperature and evaporimeter that judge evaporimeter is less than or equal to the first preset difference value, preferably, first judge module is used for when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value A, when air-conditioner is in heating mode, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value C.First detecting unit 10, for when the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value, determines that the valve of air-conditioner is in cut-off state.
The air-conditioner of the embodiment of the present invention also comprises condenser, and the first detecting unit 20 also comprises: the 3rd detection module, the 4th detection module and the second judge module.Specifically, the 3rd detection module, for detecting the running temperature of condenser, the running temperature of condenser is the temperature of condenser in the running of air-conditioner; 4th detection module, for detecting the turn-on temperature of condenser, wherein, the turn-on temperature of condenser is the temperature of condenser when air-conditioner is started shooting; Second judge module, whether the difference for the turn-on temperature of the running temperature and condenser that judge condenser is less than or equal to the second preset difference value.Preferably, second judge module is used for when air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value B, when air-conditioner is in heating mode, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value D.First detecting unit 20 also for when the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to the first preset difference value and the difference of the turn-on temperature of the running temperature of condenser and condenser is less than or equal to the second preset difference value, determines that the valve of air-conditioner is in cut-off state.
The air-conditioner of the embodiment of the present invention also comprises the first acquiring unit, the second control unit, the second detecting unit and second acquisition unit.Specifically, the first acquiring unit, the valve for detecting air-conditioner at the valve state of the first running status to air-conditioner obtains the testing result in the first running status after whether being in cut-off state; Second control unit, is in cut-off state for the valve going out air-conditioner at the first condition monitoring, then control air-conditioner and be in the second running status, wherein, in the second running status, compressor, outer blower fan and inner blower are all in closed condition; Whether the second detecting unit, be in cut-off state for the valve detecting air-conditioner at the valve state of the second running status to air-conditioner; Second acquisition unit, for obtaining the testing result in the second running status.First detecting unit 20 also for the testing result in the first running status with when being in cut-off state at the valve that the testing result of the second running status is air-conditioner, determines that the valve of air-conditioner is in cut-off state.
For example, air-conditioner, before start, detects power on signal.Air-conditioner is after power on signal being detected, air-conditioner is started according to power on signal, the compressor of air-conditioner is opened by the first control unit 10, outer blower fan is opened, outer blower fan is opened, and inner blower is closed, when the mode of operation of air-conditioner is heating mode, first control unit 10 controls cross valve and does not power on, to reach the effect of the valve state detecting air-conditioner fast.Air-conditioner comprises evaporimeter and condenser, and evaporimeter is arranged on the indoor set of air-conditioner, and condenser is arranged on the off-premises station of air-conditioner.When running when air-conditioner is in refrigeration mode, the first detecting unit 20 detects the temperature of evaporimeter, and detects the temperature of condenser.Specifically, when air-conditioner powers on first, detected the turn-on temperature of evaporimeter by first detection module, and the turn-on temperature recording evaporimeter is T
interior pipe 0.Detected the turn-on temperature of condenser by the 3rd detection module, and the turn-on temperature recording condenser is T
outer tube 0.At the turn-on temperature T of record evaporimeter
interior pipe 0with the turn-on temperature T of record condenser
outer tube 0afterwards, run a period of time at air-conditioner, continuous detection is started to the evaporating temperature of evaporimeter and the condensation temperature of condenser, detected the running temperature of evaporimeter by the second detection module, and the running temperature recording evaporimeter is T
interior pipe.Detected the running temperature of condenser by the 4th detection module, and the running temperature recording condenser is T
outer tube.
Alternatively, when air-conditioner is in refrigeration mode, be in opening at compressor and outer blower fan, under inner blower is in closed condition, judge whether evaporimeter meets pre-conditioned in the temperature of refrigeration mode and condenser in the temperature of refrigeration mode.Specifically, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value A by the first judge module, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value B by the second judge module.To the turn-on temperature T of evaporimeter
interior pipe 0with the running temperature T of evaporimeter
interior pipeperform subtraction, obtain the first result of calculation, also, T
interior pipe 0-T
interior pipe; To the running temperature T of condenser
outer tubewith the turn-on temperature T of condenser
outer tube 0perform subtraction, obtain the second result of calculation, also, T
outer tube-T
outward pipe 0; The first result of calculation T is judged by the first judge module
interior pipe 0-T
interior pipewhether be less than or equal to preset difference value A, also, judge T
interior pipe 0-T
interior pipewhether≤A sets up; Judge whether the second result of calculation is less than or equal to preset difference value B by the second judge module, also, T
outer tube-T
outer tube 0whether≤B sets up; If judge that the first result of calculation is less than or equal to preset difference value A and is less than or equal to preset difference value B by the second judge module second result of calculation by the first judge module, also, T
interior pipe 0-T
interior pipe≤ A and T
outer tube-T
outer tube 0≤ B sets up, then evaporimeter meets pre-conditioned in the temperature of refrigeration mode and condenser in the temperature of refrigeration mode.First detecting unit 20 evaporimeter the temperature of refrigeration mode and condenser the temperature of refrigeration mode meet pre-conditioned after, determine that the valve of air-conditioner is in cut-off state when air-conditioner is in refrigeration mode.
Alternatively, when air-conditioner is in heating mode, be in opening at compressor and outer blower fan, inner blower is in closed condition, and when cross valve does not power on, judge whether evaporimeter meets pre-conditioned in the temperature of heating mode and condenser in the temperature of heating mode.Specifically, judge whether the difference of the running temperature of evaporimeter and the turn-on temperature of evaporimeter is less than or equal to preset difference value C by the first judge module, judge whether the difference of the running temperature of condenser and the turn-on temperature of condenser is less than or equal to preset difference value D.Alternatively, to the running temperature T of evaporimeter
interior pipewith the turn-on temperature T of evaporimeter
interior pipe 0perform subtraction, obtain the 3rd result of calculation, also, T
interior pipe-T
interior pipe 0; To the turn-on temperature T of condenser
outer tube 0with the running temperature T of condenser
outer tubeperform subtraction, obtain the 4th result of calculation, also, T
outer tube 0-T
outer tube; The 3rd result of calculation T is judged by the first judge module
interior pipe-T
interior pipe 0whether be less than or equal to preset difference value C, also, judge T
interior pipe-T
interior pipe 0whether≤C sets up; Judge whether the 4th result of calculation is less than or equal to preset difference value D by the second judge module, also, T
outer tube 0-T
outer tubewhether≤D sets up; If judge that the 3rd result of calculation is less than or equal to preset difference value C and judges that the 4th result of calculation is less than or equal to preset difference value D by the second judge module by the first judge module, also, T
interior pipe-T
interior pipe 0≤ C and T
outer tube 0-T
outer tube≤ D sets up, then evaporimeter meets pre-conditioned in the temperature of heating mode and condenser in the temperature of heating mode.First detecting unit 20 judge evaporimeter the temperature of heating mode and condenser the temperature of heating mode meet pre-conditioned after, determine that the valve of air-conditioner is in cut-off state when air-conditioner is in heating mode.
When after the state of valve determining air-conditioner, obtain the testing result of air-conditioner in the first running status by acquiring unit, control the compressor of air-conditioner, outer blower fan and inner blower by the second control unit and be all in closed condition.When the compressor of air-conditioner, outer blower fan and inner blower are all in the second running status of closed condition, detect to determine whether the valve of air-conditioner is in cut-off state by the valve state of the second detecting unit to air-conditioner.Obtain the testing result in the second running status by the 3rd acquiring unit, determine whether the valve of air-conditioner is in cut-off state, thus detect the state of the valve of air-conditioner exactly, exactly air-conditioner is protected.Preferably, the first detecting unit 20 also for the testing result in the first running status with when being in cut-off state at the valve that the testing result of the second running status is air-conditioner, determines that the valve of air-conditioner is in cut-off state.
After the first detecting unit 20 determines that the valve of air-conditioner is in cut-off state, by the fault message of the display display air-conditioner of air-conditioner.If judge that evaporimeter does not meet pre-conditioned in the temperature of refrigeration mode and condenser in the temperature of refrigeration mode, then air-conditioner does not occur because the valve of air-conditioner is the fault of cut-off state, when air-conditioner is in refrigeration mode, the inner blower controlling air-conditioner is opened, air-conditioner normally runs according to pre-set windscreen, when air-conditioner is in heating mode, the cross valve controlling air-conditioner powers on, and cross valve commutates.
The valve state checkout gear of the air-conditioner of this embodiment passes through the first control unit after air-conditioner start, control air-conditioner and be in the first running status, air-conditioner is when the first running status, compressor and outer blower fan are in opening, inner blower is in closed condition, whether the valve detecting air-conditioner at the valve state of the first running status to air-conditioner by the first detecting unit is in cut-off state, thus reaches the effect of the valve state detecting air-conditioner fast.
The embodiment of the present invention additionally provides a kind of air-conditioner, and this air-conditioner comprises the valve state checkout gear of the air-conditioner of the embodiment of the present invention.
The air-conditioner of the embodiment of the present invention is when being in refrigeration mode; open the compressor of air-conditioner and outer blower fan; inner blower is not first opened; the detection fast to the valve state of air-conditioner can be realized; avoid occurring, because environment temperature, humidity are on the impact of air-conditioner parameter, causing the situation occurring by mistake protecting air-conditioner simultaneously.When air-conditioner is in refrigeration mode; open the compressor of air-conditioner and outer blower fan; inner blower is not first opened; the cross valve of air-conditioner does not first power on; air-conditioner is still the running status being in refrigeration mode, can realize the quick detection of the valve to air-conditioner, thus more timely to the protection of air-conditioner; avoid occurring, because valve is that cut-off state causes pressure at expulsion too high, damaging air-conditioner.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a valve state detection method for air-conditioner, is characterized in that, described air-conditioner comprises compressor, inner blower and outer blower fan, and described method comprises:
After described air-conditioner start, control described air-conditioner and be in the first running status, wherein, in described first running status, described compressor and described outer blower fan are in opening, and described inner blower is in closed condition; And
Whether the valve detecting described air-conditioner at the valve state of described first running status to described air-conditioner is in cut-off state.
2. method according to claim 1, is characterized in that, described air-conditioner comprises evaporimeter, and whether the valve detecting described air-conditioner is in cut-off state comprises:
Detect the turn-on temperature of described evaporimeter, wherein, the turn-on temperature of described evaporimeter is described evaporimeter temperature when described air-conditioner start;
Detect the running temperature of described evaporimeter, wherein, the running temperature of described evaporimeter is the temperature of described evaporimeter in the running of described air-conditioner; And
Judge whether the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to the first preset difference value,
Wherein, when the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to described first preset difference value, determine that the valve of described air-conditioner is in cut-off state.
3. method according to claim 2, is characterized in that, described air-conditioner also comprises condenser, and whether the valve detecting described air-conditioner is in cut-off state also comprises:
Detect the running temperature of described condenser, wherein, the running temperature of described condenser is the temperature of described condenser in the running of described air-conditioner;
Detect the turn-on temperature of described condenser, wherein, the turn-on temperature of described condenser is the temperature of described condenser when described air-conditioner start; And
Judge whether the difference of the running temperature of described condenser and the turn-on temperature of described condenser is less than or equal to the second preset difference value,
Wherein, when the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to described first preset difference value and the difference of the turn-on temperature of the running temperature of described condenser and described condenser is less than or equal to described second preset difference value, determine that the valve of described air-conditioner is in cut-off state.
4. method according to claim 3, is characterized in that,
Judge whether the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to the first preset difference value and comprises:
When described air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to preset difference value A;
When described air-conditioner is in heating mode, judge whether the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to preset difference value C,
Judge whether the difference of the running temperature of described condenser and the turn-on temperature of described condenser is less than or equal to the second preset difference value and comprises:
When described air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of described condenser and the turn-on temperature of described condenser is less than or equal to preset difference value B;
When described air-conditioner is in heating mode, judge whether the difference of the running temperature of described condenser and the turn-on temperature of described condenser is less than or equal to preset difference value D.
5. method according to claim 2, is characterized in that, after whether the valve detecting described air-conditioner at the valve state of described first running status to described air-conditioner is in cut-off state, described method also comprises:
Obtain the testing result in described first running status;
If the valve going out described air-conditioner at described first condition monitoring is in cut-off state, then control described air-conditioner and be in the second running status, wherein, in described second running status, described compressor, described outer blower fan and described inner blower are all in closed condition;
Whether the valve detecting described air-conditioner at the valve state of described second running status to described air-conditioner is in cut-off state; And
Obtain the testing result in described second running status,
Wherein, in the testing result of described first running status with when being in cut-off state at the valve that the testing result of described second running status is described air-conditioner, determine that the valve of described air-conditioner is in cut-off state.
6. method according to claim 1, is characterized in that, described air-conditioner also comprises cross valve, and when described air-conditioner is in heating mode, in described first running status, described cross valve is in off-position.
7. a valve state checkout gear for air-conditioner, is characterized in that, described air-conditioner comprises compressor, inner blower and outer blower fan, and described device comprises:
First control unit, for after described air-conditioner start, control described air-conditioner and be in the first running status, wherein, in described first running status, described compressor and described outer blower fan are in opening, and described inner blower is in closed condition; And
Whether the first detecting unit, be in cut-off state for the valve detecting described air-conditioner at the valve state of described first running status to described air-conditioner.
8. device according to claim 7, is characterized in that, described air-conditioner comprises evaporimeter, and described first detecting unit comprises:
First detection module, for detecting the turn-on temperature of described evaporimeter, wherein, the turn-on temperature of described evaporimeter is described evaporimeter temperature when described air-conditioner start;
Second detection module, for detecting the running temperature of described evaporimeter, wherein, the running temperature of described evaporimeter is the temperature of described evaporimeter in the running of described air-conditioner; And
First judge module, whether the difference for the turn-on temperature of the running temperature and described evaporimeter that judge described evaporimeter is less than or equal to the first preset difference value,
Wherein, described first detecting unit, for when the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to described first preset difference value, determines that the valve of described air-conditioner is in cut-off state.
9. device according to claim 8, is characterized in that, described air-conditioner also comprises condenser, and described first detecting unit also comprises:
3rd detection module, for detecting the running temperature of described condenser, wherein, the running temperature of described condenser is the temperature of described condenser in the running of described air-conditioner;
4th detection module, for detecting the turn-on temperature of described condenser, wherein, the turn-on temperature of described condenser is the temperature of described condenser when described air-conditioner start; And
Second judge module, whether the difference for the turn-on temperature of the running temperature and described condenser that judge described condenser is less than or equal to the second preset difference value,
Wherein, described first detecting unit also for when the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to described first preset difference value and the difference of the turn-on temperature of the running temperature of described condenser and described condenser is less than or equal to described second preset difference value, determines that the valve of described air-conditioner is in cut-off state.
10. device according to claim 9, is characterized in that,
Described first judge module is used for when described air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to preset difference value A, when described air-conditioner is in heating mode, judge whether the difference of the running temperature of described evaporimeter and the turn-on temperature of described evaporimeter is less than or equal to preset difference value C
Described second judge module is used for when described air-conditioner is in refrigeration mode, judge whether the difference of the running temperature of described condenser and the turn-on temperature of described condenser is less than or equal to preset difference value B, when described air-conditioner is in heating mode, judge whether the difference of the running temperature of described condenser and the turn-on temperature of described condenser is less than or equal to preset difference value D.
11. devices according to claim 8, is characterized in that, described device also comprises:
First acquiring unit, the valve for detecting described air-conditioner at the valve state of described first running status to described air-conditioner obtains the testing result in described first running status after whether being in cut-off state;
Second control unit, valve for going out described air-conditioner at described first condition monitoring is in cut-off state, then control described air-conditioner and be in the second running status, wherein, in described second running status, described compressor, described outer blower fan and described inner blower are all in closed condition;
Whether the second detecting unit, be in cut-off state for the valve detecting described air-conditioner at the valve state of described second running status to described air-conditioner; And
Second acquisition unit, for obtaining the testing result in described second running status,
Wherein, described first detecting unit also for the testing result in described first running status with when being in cut-off state at the valve that the testing result of described second running status is described air-conditioner, determines that the valve of described air-conditioner is in cut-off state.
12. devices according to claim 7, is characterized in that, described air-conditioner also comprises cross valve, and when described air-conditioner is in heating mode, in described first running status, described cross valve is in off-position.
13. 1 kinds of air-conditioners, is characterized in that, comprise the valve state checkout gear of the air-conditioner in claim 7 to 12 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725690.1A CN105387559B (en) | 2015-10-28 | 2015-10-28 | Air conditioner and its valve state detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510725690.1A CN105387559B (en) | 2015-10-28 | 2015-10-28 | Air conditioner and its valve state detection method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105387559A true CN105387559A (en) | 2016-03-09 |
| CN105387559B CN105387559B (en) | 2018-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880166A (en) * | 2021-02-20 | 2021-06-01 | 珠海格力电器股份有限公司 | Automatic setting method and device for temperature controller and temperature controller |
| CN113124539A (en) * | 2021-05-14 | 2021-07-16 | 宁波奥克斯电气股份有限公司 | Automatic protection control method and device for unopened air conditioner valve and air conditioner |
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| CN112880166A (en) * | 2021-02-20 | 2021-06-01 | 珠海格力电器股份有限公司 | Automatic setting method and device for temperature controller and temperature controller |
| CN113124539A (en) * | 2021-05-14 | 2021-07-16 | 宁波奥克斯电气股份有限公司 | Automatic protection control method and device for unopened air conditioner valve and air conditioner |
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| CN105387559B (en) | 2018-04-13 |
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