CN206145903U - Air -conditioning device - Google Patents
Air -conditioning device Download PDFInfo
- Publication number
- CN206145903U CN206145903U CN201590000238.2U CN201590000238U CN206145903U CN 206145903 U CN206145903 U CN 206145903U CN 201590000238 U CN201590000238 U CN 201590000238U CN 206145903 U CN206145903 U CN 206145903U
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- compressor
- air
- fan
- operating
- conditioning device
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 75
- 238000010257 thawing Methods 0.000 claims abstract description 78
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims description 40
- 239000006200 vaporizer Substances 0.000 claims description 33
- 230000008859 change Effects 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000006837 decompression Effects 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 abstract description 28
- 238000005057 refrigeration Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- 230000007704 transition Effects 0.000 description 15
- 230000008014 freezing Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000005413 snowmelt Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012279 drainage procedure Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 235000015110 jellies Nutrition 0.000 description 2
- 239000008274 jelly Substances 0.000 description 2
- 208000032767 Device breakage Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Air -conditioning device has compressor, diverter valve, condenser, throttling arrangement, evaporimeter and fan, still possesses: survey the temperature sensor of fixed ring border temperature, and the structure comprises a control devic, controlling means controls the compressor, the diverter valve, the drive of throttling arrangement and fan, thereby carry out and heat the operation, defrosting operation and refrigeration operation, so that switch over the diverter valve to the mode that the condenser flows from compressor exhaust refrigerant, and drive compressors and fan, the execution heats the operation, is heating at the operation back, so that switch over the diverter valve to the mode that the evaporimeter flows from compressor exhaust refrigerant, and make the fan stop, carry out the defrosting operation, behind defrost time, messenger's compressor stops, finish the defrosting operation, behind stand -by time, base temperature's within range is in at ambient temperature, and the moving operation number of times that defrosts exceedes under the condition of benchmark number of times, make the diverter valve moving state that keeps defrosting, and drive compressors and fan, carry out the refrigeration operation.
Description
Technical field
This utility model is related to the air-conditioning device towards the snow melt of cold district.
Background technology
In cold district, if making air-conditioning device carry out heating operation and be used, can be arranged in off-premises station
The heat exchanger in portion is attached with frost, causes the heat exchange performance of heat exchanger and reduces.Therefore, generally, by making air-conditioning
The cold-producing medium of the High Temperature High Pressure in the refrigerant loop of device is along the direction circulation contrary with during heating operation towards off-premises station
Internal heat exchanger circulates and stops outdoor fan, thus carrying out defrosting operating.And, it is attached to heat exchanger
The drain water that frost melts and produces is discharged by being arranged at the outlet of the bottom of off-premises station towards the outside of off-premises station.
Now, if starting again at the heating operation of air-conditioning device at once after defrosting operating just terminates, exist outdoor
Heat exchanger in machine is cooled immediately and drain water freezes again this problem in heat exchanger.Therefore, existing air-conditioning dress
Put and make before heating operation is started again at heating operation and for example stop 2 minutes, thus assure that needed for the draining of drain water when
Between.
In ambient temperature significantly subfreezing extremely tremble with fear region or heavy snow region, even if setting after defrosting operating certain
The operating halted state of period, also can start again in the drainage procedure of drain water and freeze, and the drain water after freezing into
It is long.It is thereby possible to situations such as producing heat exchange performance reduction and the damaged heat exchanger of the heat exchanger in off-premises station.
In addition, in ambient temperature significantly subfreezing extremely tremble with fear region or heavy snow region, stopping in the operating of air-conditioning device
When only, the fan and its periphery in off-premises station is attached with frost, and the state towards ice is grown up.Further, it is possible to because of the ice
Exist and produce fan itself eccentric rotary or be possible to produce because fan is contacted with ice caused fan motor therefore
Barrier etc..
In order to solve problem as described above, in the past, proposition has a kind of air-conditioning device for introducing following control：In order that
Defrosting operating postadhesion is heated using heater in the moisture evaporating completely of heat exchanger to heat exchanger.
In addition, as the heat exchanger prevented in off-premises station and the bottom that is arranged at off-premises station outlet freeze it is right
Plan, proposition has a kind of air-conditioning device for introducing following control：In the case of being below setting in ambient temperature, forcibly
The action (referring for example to patent documentation 1) of implemented for long periods defrosting operating.
Patent documentation 1：Japanese Unexamined Patent Publication 9-243211 publication
In the air-conditioning device that patent documentation 1 is proposed, extend the duration of runs of defrosting operating, in order to avoid in the row of drain water
Drain water freezes again in water.So, the dwell time of fan is elongated, and abnormal pressure is become in refrigerant loop.Because of the exception
High pressure, it is possible to cause the pipe arrangement for constituting refrigerant loop damaged.
If in addition, in order that be attached to the moisture evaporation of heat exchanger and heater introduced in off-premises station, cost with
Electric power rises, in addition, the space of the inside of off-premises station also reduces.
On the other hand, if shortening the duration of runs of defrosting operating or not introducing in off-premises station heater, there is defrosting
The problem that produced drain water freezes again in heat exchanger and outlet after operating.
Utility model content
This utility model is completed with problem as described above as background, its object is to obtain a kind of in defrosting fortune
The air-conditioning device that drain water produced by after turning will not freeze again.
The technical solution of the utility model 1 provides a kind of air-conditioning device, has：Compressor, the compressor enters to cold-producing medium
Row compression；Switching valve, the flowing of the cold-producing medium that the switching Vavle switching is discharged from the compressor；Condenser, the condenser make from
The cold-producing medium condensation that the compressor is discharged；Throttling arrangement, the throttling arrangement makes the cold-producing medium decompression flowed out from the condenser；
Vaporizer, the vaporizer evaporates the cold-producing medium after being reduced pressure by the throttling arrangement；And fan, the fan is to the vaporizer
Supply air, it is characterised in that the air-conditioning device is also equipped with：The temperature sensor of determination of the environment temperature, and control device,
The control device controls the driving of the compressor, the switching valve, the throttling arrangement and the fan, so as to perform system
Heat run, defrosting operating and cooling operation, so that what the cold-producing medium discharged from the compressor flowed to the condenser
Mode is switched over to the switching valve, and drives the compressor and the fan, the heating operation is performed, described
After heating operation, so that the mode that the cold-producing medium discharged from the compressor flows to the vaporizer is entered to the switching valve
Row switching, and stop the fan, the defrosting operating is performed, after defrosting time stop, the compressor, knot
Shu Suoshu defrosting operatings, after stand-by time, are in the range of fiducial temperature and the defrosting in the ambient temperature
In the case that the operating number of times of operating exceedes benchmark number of times, make the switching valve keep the state of the defrosting operating, and drive
The compressor and the fan, perform the cooling operation.
Air-conditioning device involved by technical scheme 2 is characterised by, in the air-conditioning device involved by technical scheme 1, institute
State control device so that operating frequency during defrosting operating is bigger than operating frequency during cooling operation, heating operation when operating
The frequency mode bigger than operating frequency during defrosting operating is controlled.
Air-conditioning device involved by technical scheme 3 is characterised by, in the air-conditioning device involved by technical scheme 1 or 2,
Cooling operation continuous running during fiducial time.
Air-conditioning device involved by technical scheme 4 is characterised by, in the air-conditioning device involved by technical scheme 3, institute
Stating fiducial time, the fiducial temperature and the benchmark number of times can carry out setting change.
Air-conditioning device involved by technical scheme 5 is characterised by, in the air-conditioning device involved by technical scheme 1 or 2,
The remote control of the operating condition of display air-conditioning device is also equipped with, the control device makes the remote control in the cooling operation
In being shown as defrosting operating.
According to this utility model, the control device of air-conditioning device is configured to, through stand-by time after defrosting operating terminates
Afterwards, maintain the state of defrosting operating constant switching valve, and compressor and fan are driven as cooling operation.So, energy
Access the air-conditioning device that drain water produced after defrosting operating will not freeze again.
Description of the drawings
Fig. 1 is the summary system diagram of the air-conditioning device involved by embodiment of the present utility model.
Fig. 2 is the synoptic diagram of the refrigerant loop of the air-conditioning device involved by embodiment of the present utility model.
Fig. 3 is the sequential chart of the defrosting operating control of existing air-conditioning device.
Fig. 4 is the sequential chart of the defrosting operating control of the air-conditioning device involved by embodiment of the present utility model.
Fig. 5 is the flow chart of the control of the air-conditioning device involved by embodiment of the present utility model.
Description of reference numerals
1：Indoor control chamber；1a：Control device；1b：Remote control；1c：Temperature sensor；1d：Communication unit；1e：Input unit；
1f：CPU；1g：Storage part；2：Outdoor unit；3：Condenser；4：Pipe arrangement；5：Pump；6：Pipe arrangement；7：Pipe arrangement；8：Compressor；9：Cut
Change valve；10：Throttling arrangement；11：Fan；12：Vaporizer；15：Refrigerant piping；100：Air-conditioning device.
Specific embodiment
Hereinafter, illustrate referring to the drawings the embodiment to air-conditioning device of the present utility model.Additionally, the mode of accompanying drawing
It is an example, does not limit this utility model.In addition, the part that same reference numerals are labelled with each figure is identical or phase
When part, this is general in the full text of description.Also, in figures in the following, the magnitude relationship of each component parts
Sometimes it is different from practical situation.
Embodiment.
[structure of air-conditioning device]
Fig. 1 is the summary system diagram of the air-conditioning device involved by embodiment of the present utility model.As shown in figure 1, air-conditioning
Device 100 has indoor control chamber 1, outdoor unit 2, pump 5 and pipe arrangement 4.Indoor control chamber 1 by electric wiring with towards
The hot water maker realized by heat pump refrigeration cycle system of cold district is that the outdoor unit 2 of air-conditioning device 100 connects.Separately
Outward, indoor control chamber 1 is connected by electric wiring etc. with pump 5.
A part for pipe arrangement 4 for example by the underground for being embedded in parking lot pipe arrangement 6 and be arranged at the roof of building
Pipe arrangement 7 is constituted.Outdoor unit 2 constitutes refrigerant loop via pipe arrangement 4 with pump 5.As the cold-producing medium example in refrigerant loop
Such as use water.Pump 5 makes the water after being heated by the condenser 3 of outdoor unit 2 circulate in the pipe arrangement 4 for constitute refrigerant loop, from
And the snow melt on the roof for making to be piled up in parking lot or building.So, the air-conditioning involved by embodiment of the present utility model
The hot water that device 100 is generated using the heat pump refrigeration cycle system by the snow melt towards cold district.
Indoor control chamber 1 is made up of control device 1a with remote control 1b.Control device 1a is for example made up of microcomputer, tool
There are storage part 1g, communication unit 1d, input unit 1e and CPU 1f.CPU 1f receive the operation etc. from remote control 1b, perform each
Plant calculation process.Storage part 1g stores accumulative operating number of times of defrosting operating described later etc., and as needed to CPU 1f transmissions
Data.Communication unit 1d receives the instruction from CPU 1f, and sends for the compressor 8 in outdoor unit described later 2, switching
Valve 9, throttling arrangement 10 and fan 11 are driven the signal of control.Input unit 1e receives the instruction from CPU 1f, concurrently
Send the signal for being driven control to pump 5.That is, control device 1a control compressor 8, switching valve 9, throttling arrangement 10 and
The driving of fan 11, so as to perform heating operation, defrosting operating and cooling operation.
Remote control 1b receives the operation for air-conditioning device 100 from user, and sends and operation to control device 1a
Corresponding signal, control device 1a is controlled according to the signal etc. to outdoor unit 2.For example, user is carried out to remote control 1b
Operation.Then, control device 1a receives the operation of remote control 1b, adjust the outlet of the water flowed out from condenser 3 temperature or
Pump 5 is controlled and adjust in pipe arrangement 6 and pipe arrangement 7 circulate water flow.In addition, remote control 1b has display part
(omitting diagram), shows that air-conditioning device 100 is heating mode of operation or defrosting operating pattern etc. in display part.Temperature sensor
1c determines the temperature of external environment condition, and sends the temperature data of external environment condition to control device 1a.
Fig. 2 is the synoptic diagram of the refrigerant loop of the air-conditioning device involved by embodiment of the present utility model.Such as Fig. 2 institutes
Show, outdoor unit 2 has refrigerant loop, the refrigerant loop connects compressor 8, switching valve by using refrigerant piping 15
9th, condenser 3, throttling arrangement 10 and vaporizer 12 are formed, and supply refrigerant cycle.Near vaporizer 12, be provided with for
The fan 11 of the air of heat exchange is conveyed to vaporizer 12.Additionally, as condenser 3, such as, using heat-exchangers of the plate type, making
For throttling arrangement 10, such as using the electric expansion valve that aperture is variable.Condenser 3 makes the water flowed in pipe arrangement 4 and is freezing
Heat exchange is carried out between the cold-producing medium flowed in agent pipe arrangement 15.
[heating operation]
Next, illustrating to the action during heating operation of air-conditioning device 100.In heating operation, from compressor 8
The cold-producing medium of discharge is condensed via switching valve 9 in condenser 3, and by throttling arrangement 10.Then, cold-producing medium is in throttling arrangement
10 are depressurized, and evaporate in vaporizer 12 and air to being sent into by fan 11 is cooled down.Afterwards, cold-producing medium is via switching
Valve 9 and be inhaled into compressor 8.During heating operation, pipe arrangement 4 flowing water in condenser 3 with flow in refrigerant piping 15
The cold-producing medium of High Temperature High Pressure carry out heat exchange, thus, from cold water hot water is heated to form.And, as described above, hot water for example leads to
The pipe arrangement 7 of the pipe arrangement 6 for crossing the underground for being embedded in parking lot and the roof for being arranged at building, makes to be piled up in parking lot or room
The snow on top etc. melts.
[defrosting operating]
Next, illustrating to the action during defrosting operating of air-conditioning device 100.During defrosting operating, from the row of compressor 8
The cold-producing medium of the High Temperature High Pressure for going out is conveyed via switching valve 9 as shown in the arrow of solid line to vaporizer 12.The system of High Temperature High Pressure
Cryogen carries out heat exchange in vaporizer 12, melts the frost produced in vaporizer 12.Now, fan 11 stops.Afterwards, cold-producing medium
By throttling arrangement 10, it is depressurized in throttling arrangement 10 and carries out heat exchange in condenser 3 and the water to flowing in pipe arrangement 4 is carried out
Cooling, is inhaled into compressor 8 via switching valve 9 afterwards.Frost after melting becomes drain water, drips from vaporizer 12, from setting
The outlet (omitting diagram) for being placed in the bottom of outdoor unit 2 is discharged to the outside of outdoor unit 2.
Fig. 3 is the sequential chart of the defrosting operating control of existing air-conditioning device.As shown in figure 3, in heating operation, control dress
Putting makes switching Vavle switching stream, so that the refrigerant flow direction condenser of the High Temperature High Pressure discharged from compressor.Hereinafter, this is flowed
The switching state on road is referred to as opening (ON) state of switching valve.In addition, in heating operation, control device makes fan in operating shape
State, cools down to vaporizer.
Next, in the case where have passed through a certain certain hour, from heating operation defrosting operating is switched to.Now, control
Device processed after the operating frequency for making compressor is temporarily changed minimum frequency, with defrosting operating with frequency compressor is driven
It is dynamic.In defrosting operating, control device is switched over to the stream of switching valve, so that the system of the High Temperature High Pressure discharged from compressor
Cryogen flows to vaporizer.Hereinafter, the switching state of the stream is referred to as closing (OFF) state of switching valve.In addition, defrosting operating
In, control device stops the operating of fan.
Then, from carrying out after defrosting operating begun to pass through a certain certain hour, for the row that will be dripped from vaporizer
Sluice from the outlet of the bottom for being arranged at outdoor unit and discharge, make compressor stop two minutes.However, in ambient temperature significantly
Be below the freezing point extremely tremble with fear region or the region snowed heavily, and starts again at jelly in the drainage procedure of the drain water of two minutes sometimes
Knot.And, if the drain water for freezing again is grown up, cause the heat exchange performance reduction of vaporizer or vaporizer broken sometimes
The problems such as damage.
So, in the defrosting operating of the existing air-conditioning device shown in Fig. 3, exist and led because of freezing again for drain water
The probability of induced evaporation device breakage etc..Therefore, in order to avoid these problems, following operating control is carried out in air-conditioning device 100
System.
Fig. 4 is the sequential chart of the defrosting operating control of the air-conditioning device involved by embodiment of the present utility model.Air-conditioning
Device 100 enters under normal conditions heating operation and defrosting operating repeatedly as existing defrosting operating, and removing is attached to
The frost of vaporizer 12.Here, ambient temperature when air-conditioning device 100 starts defrosting operating is secondary with the accumulative operating of defrosting operating
Number carries out the operatings different from heating operation and defrosting operating as decision condition after defrosting operating.
As shown in figure 4, heating operation and defrosting operating are repeated under normal circumstances, but the temperature on the basis of ambient temperature
Degree is less than X DEG C, the accumulative operating number of times of defrosting operating has finished in the case of the Y time of benchmark number of times, control device 1a
Compressor 8 is set to stop 3 minutes as the stand-by time of benchmark.Afterwards, during the Z minutes of fiducial time, control device 1a
Compressor 8 and fan 11 are driven in the case where switching valve 9 is remained off.Additionally, switching valve 9 will be made
Cooling operation is referred to as to the operating that compressor 8 and fan 11 are driven in the case of remaining off.And, control dress
Put and make again after cooling operations of the 1a in Z minutes terminates compressor 8 and fan 11 and stop 3 minutes, afterwards recover switching valve 9
To open mode, and the accumulative operating number of times of defrosting operating is reset to into 0, switch to heating operation.
If additionally, being shown as cooling operation in the display part of remote control 1b in heating operation, user can be made to feel tired
It is puzzled, therefore, in cooling operation, in the following way：It is shown as in defrosting operating in the display part of remote control 1b so that user
Will not be identified as carrying out cooling operation.
In addition, the operating frequency of compressor 8 is formed as：It is bigger than during defrosting operating in heating operation, in defrosting operating
It is bigger than during cooling operation.This is because：In defrosting operating, compressor 8 is driven to be defrosted, therefore need not be heated
So big operating frequency during operating.Also, in cooling operation, in order to prevent freezing again for drain water compressor is driven
8, therefore so big operating frequency when not needing defrosting operating.So, by making the operating of compressor 8 according to operating condition
Frequency changes, and can cut down consumption electric power.
Here, 3 minutes are stopped by making the operating of compressor 8 before and after cooling operation, oil is by from compression when preventing from starting
Machine 8 is taken out of, it can be ensured that the reliability of the action of compressor 8.Additionally, showing in the present embodiment before and after cooling operation
The example for making compressor 8 stop 3 minutes, but this utility model is not limited to this, it is also possible to according to the setting of air-conditioning device 100
Situation etc. suitably changes the dwell time of compressor 8.
[cooling operation]
Next, illustrating to the action during cooling operation of air-conditioning device 100.
In cooling operation, the cold-producing medium of low-temp low-pressure is compressed by compressor 8, becomes the gaseous refrigerant of High Temperature High Pressure simultaneously
It is discharged.The gaseous refrigerant of the High Temperature High Pressure discharged from compressor 8 flows into vaporizer 12 via switching valve 9.Flow into vaporizer
The gaseous refrigerant of the High Temperature High Pressure after 12 radiates to outdoor air and condenses by fan 11, becomes the liquid refrigeration of high pressure
Agent.The liquid refrigerant of the high pressure from after the outflow of vaporizer 12 is reduced pressure as the gas-liquid two-phase refrigeration of low-temp low-pressure by throttling arrangement 10
Agent, then flows into condenser 3.Then, the gas-liquid two-phase cold-producing medium of low-temp low-pressure is from the water heat absorption of the flowing in the pipe arrangement 4, to
The water of flowing is cooled down in pipe arrangement 4, becomes the gaseous refrigerant of low-temp low-pressure.Low-temp low-pressure from after the outflow of condenser 3
Gaseous refrigerant is attracted again towards compressor 8.
In cooling operation, vaporizer 12 is heated as condenser function, the vaporizer 12 of outdoor unit 2.This
Sample, can not only prevent freezing again for the drain water produced during defrosting operating, additionally it is possible to the snow that makes to be attached to vaporizer 12 or
Person's ice-out and guarantee wind path, be prevented from the reduction of the heat exchange performance of heat exchanger.In addition, in cooling operation, fan
11 are driven, therefore, it is possible to prevent the electric component in the abnormal pressure and outdoor unit 2 in refrigerant loop from (saving sketch map
Show) abnormal high temperature.Also, the air after being heated by the vaporizer 12 of outdoor unit 2 flows towards the side of fan 11, can make attachment
In fan 11 and the snow and ice-out of the periphery of fan 11.Thereby, it is possible to prevent fan 11 itself eccentric rotary or because
Fan 11 is contacted and failure of caused fan motor etc. with ice.
If the water additionally, carry out cooling operation in the state of ambient temperature is low, from the pipe arrangement 4 that condenser 3 flows out
Temperature less than the design temperature by the setting such as remote control, air-conditioning device 100 stops.Therefore, in cooling operation, will be from cold
The temperature of water in pipe arrangement 4 and the difference of design temperature that condenser 3 flows out is fixed as a certain steady state value and carries out cooling operation.
In addition, fiducial temperature X DEG C of the ambient temperature set as the beginning condition of cooling operation is -5 DEG C～-10
DEG C, the benchmark number of times Y of the accumulative operating number of times of defrosting operating is the scope that can be set at 3 times～5 times.In addition, refrigeration
Minute fiducial time Z of the duration of runs is can be in the 5 minutes～scope that set for 15 minutes.And, said reference temperature,
Benchmark number of times and fiducial time be formed as can using the remote control 1b of air-conditioning device 100 or be equipped on control base board (save
Sketch map shows) switching switch and suitably carry out in user side set change mode.Thus, it is contemplated that arriving because of air-conditioning device
100 different this case of the generation degree freezed for arranging region or season environment and drain water, can be in various situations
The optimal controlling value of lower setting.
Fig. 5 is the flow chart of the control of the air-conditioning device involved by embodiment of the present utility model.Hereinafter, with reference to Fig. 2
And Fig. 4 and the control action of the control device 1a of air-conditioning device 100 is illustrated based on each step of Fig. 5.
(step ST1)
The operating frequency of compressor 8 is set as the frequency of defrosting operating by control device 1a in a certain certain hour, and
And make switching valve 9 become closed mode, stop fan 11.In addition, control device 1a is by the accumulative operating number of times of defrosting operating
Plus 1.Afterwards, control device 1a is to (step ST2) transition.
(step ST2)
After defrosting operating is carried out, control device 1a keeps the shape for being closed switching valve 9, making the stopping of fan 11
State is constant, makes compressor 8 stop 3 minutes as the stand-by time of benchmark.Afterwards, to (step ST3) transition.
(step ST3)
Control device 1a judges whether the operation mode of air-conditioning device 100 is heating operation.When operation mode is to heat fortune
Turn in the case of, control device 1a to (step ST4) transition, to (step ST9) transition in the case of in addition.
(step ST4)
Control device 1a obtains the data of ambient temperature from temperature sensor 1c, temperature on the basis of judging ambient temperature whether
Less than X DEG C.In the case of below temperature X DEG C on the basis of ambient temperature, control device 1a to (step ST5) transition, except this
To (step ST9) transition in the case of in addition.
(step ST5)
Control device 1a judge the accumulative operating number of times of defrosting operating whether on the basis of more than the Y time of number of times.When accumulative
On the basis of operating number of times in the case of the Y time of the number of times above, control device 1a to (step ST6) transition, in addition
In the case of to (step ST9) transition.
(step ST6)
It is constant that switching valve 9 is remained off state by control device 1a, and compressor 8 and fan 11 are driven and are entered
Row cooling operation.Afterwards, control device 1a is to (step ST7) transition.
(step ST7)
Control device 1a judges whether cooling operation has persistently carried out the Z minutes as fiducial time.When cooling operation
In the case of persistently carrying out the Z minutes as fiducial time, control device 1a to (step ST8) transition, in feelings in addition
To (step ST11) transition under condition.
(step ST8)
The accumulative operating number of times of defrosting operating is reset to zero by control device 1a.Afterwards, control device 1a is to (step ST9)
Transition.
(step ST9)
It is constant that switching valve 9 is remained off state by control device 1a, and makes compressor 8 and fan 11 stop 3 minutes.
(step ST10)
Control device 1a makes switching valve 9 become open mode, and drives compressor 8 and fan 11 and carry out heating fortune
Turn.
(step ST11)
Control device 1a detects because of remote controller operation the stopping of the operating of caused air-conditioning device 100 or because of sky
The operating of tune device 100 causes cooling operation this case that midway stops extremely.Afterwards, control device 1a is to (step
ST12) transition.
(step ST12)
It is zero that control device 1a makes the operating frequency of compressor 8, and the operation mode of air-conditioning device 100 is switched to heats
Pattern then stops the operating of air-conditioning device 100.So, when the operating of air-conditioning device 100 is started again at, can be heating fortune
Rotary-die type is restarted, and user can be avoided to produce puzzlement for operation mode.Afterwards, control device 1a is to (step ST13) transition.
(step ST13)
Control device 1a implements ensuing heating operation or defrosting operating.Additionally, now, control device 1a will not be removed
The accumulative operating number of times of frost operating resets to zero.Afterwards, control device 1a is to (step ST1) transition.
[effect of embodiment]
In summary, the air-conditioning device 100 involved by present embodiment possesses：Refrigerant loop, the refrigerant loop leads to
Cross using the connection compressor 8 of refrigerant piping 15, condenser 3, throttling arrangement 10, vaporizer 12 and switch heating operation and remove
The switching valve 9 of frost operating is formed, and supplies refrigerant cycle；Fan 11, the fan 11 is sent into vaporizer 12 and carries out heat exchange
Air；And control device 1a, control device 1a control compressor 8, throttling arrangement 10, switching valve 9 and fan 11, control
Device 1a makes compressor 8 stop and terminate defrosting operating, and after defrosting operating terminates after the stand-by time of benchmark, makes to cut
Changing valve 9 becomes the state of defrosting operating, and makes compressor 8 and fan 11 drive fiducial time as cooling operation.This
Sample, can obtain the air-conditioning device 100 that drain water produced after defrosting operating will not freeze again.In addition, by outdoor unit 2
Vaporizer 12 heat after air flow towards the side of fan 11, can make to be attached to fan 11 and the periphery of fan 11 snow and
Ice-out.Thereby, it is possible to prevent the eccentric rotary of fan 11 itself or because fan 11 is contacted and caused fan motor with ice
Failure etc..
In addition, the air-conditioning device 100 involved by present embodiment is also equipped with the temperature sensor 1c of determination of the environment temperature, control
Device 1a processed is ambient temperature is in the range of the fiducial temperature and the operating number of times of defrosting operating exceedes the situation of benchmark number of times
Under, implement cooling operation.In such manner, it is possible to suppress the enforcement number of times of cooling operation, the heating capacity of air-conditioning device 100 can be suppressed
Reduction rate.
In addition, in the air-conditioning device 100 involved by present embodiment, fiducial time, fiducial temperature and benchmark number of times
Setting change can be carried out.In such manner, it is possible to consider the jelly for arranging region or season environment and drain water because of air-conditioning device 100
The different this case of the generation degree of knot, set under various conditions optimal controlling value.
In addition, being also equipped with the remote control of the operating condition of display air-conditioning device 100, control device 1a is in cooling operation
Remote controller displays are made in defrosting operating.In such manner, it is possible to avoid following situation：If in the display of remote control 1b in heating operation
Portion is shown as cooling operation, then user can be made to produce puzzlement.
Claims (5)
1. a kind of air-conditioning device, has：
Compressor, the compressor is compressed to cold-producing medium；
Switching valve, the flowing of the cold-producing medium that the switching Vavle switching is discharged from the compressor；
Condenser, the condenser makes the cold-producing medium condensation discharged from the compressor；
Throttling arrangement, the throttling arrangement makes the cold-producing medium decompression flowed out from the condenser；
Vaporizer, the vaporizer evaporates the cold-producing medium after being reduced pressure by the throttling arrangement；And
Fan, the fan to the vaporizer supplies air,
Characterized in that,
The air-conditioning device is also equipped with：The temperature sensor of determination of the environment temperature, and
Control device, the control device controls the drive of the compressor, the switching valve, the throttling arrangement and the fan
It is dynamic, so as to perform heating operation, defrosting operating and cooling operation, so that the cold-producing medium discharged from the compressor is to described
The mode of condenser flowing is switched over to the switching valve, and drives the compressor and the fan, performs the system
Heat run, after the heating operation, so that the mode that the cold-producing medium discharged from the compressor flows to the vaporizer
The switching valve is switched over, and stops the fan, perform the defrosting operating, after defrosting time, make institute
Compressor stopping is stated, terminates the defrosting operating, after stand-by time, in the ambient temperature model of fiducial temperature is in
Enclose interior and described defrosting operating operating number of times exceed benchmark number of times in the case of, make the switching valve keep the defrosting fortune
The state for turning, and the compressor and the fan are driven, perform the cooling operation.
2. air-conditioning device according to claim 1, it is characterised in that
The control device so that operating frequency during defrosting operating is bigger than operating frequency during cooling operation, heating operation when
The operating frequency mode bigger than operating frequency during defrosting operating be controlled.
3. air-conditioning device according to claim 1 and 2, it is characterised in that
Cooling operation continuous running during fiducial time.
4. air-conditioning device according to claim 3, it is characterised in that
The fiducial time, the fiducial temperature and the benchmark number of times can carry out setting change.
5. air-conditioning device according to claim 1 and 2, it is characterised in that
The remote control of the operating condition of display air-conditioning device is also equipped with,
The control device makes the remote controller displays in defrosting operating in the cooling operation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2015/070775 WO2017013757A1 (en) | 2015-07-22 | 2015-07-22 | Air-conditioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206145903U true CN206145903U (en) | 2017-05-03 |
Family
ID=57834889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201590000238.2U Expired - Fee Related CN206145903U (en) | 2015-07-22 | 2015-07-22 | Air -conditioning device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6388720B2 (en) |
| CN (1) | CN206145903U (en) |
| WO (1) | WO2017013757A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111102678A (en) * | 2019-12-16 | 2020-05-05 | 宁波奥克斯电气股份有限公司 | Air conditioner control method, air conditioner system and air conditioner |
| CN111720968B (en) * | 2020-06-09 | 2021-10-29 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| JP7034227B1 (en) | 2020-09-30 | 2022-03-11 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner and management device |
| CN112856716B (en) * | 2021-01-15 | 2022-05-17 | 广东美的暖通设备有限公司 | Air conditioning system and refrigerant state detection method and device thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2878806B2 (en) * | 1990-08-28 | 1999-04-05 | 株式会社東芝 | Air conditioner |
| JPH07174441A (en) * | 1993-12-20 | 1995-07-14 | Fujitsu General Ltd | Defrost controller for air conditioner |
| JPH09243211A (en) * | 1996-03-12 | 1997-09-19 | Fujitsu General Ltd | Control method of air conditioner |
| JP2003294342A (en) * | 2002-04-03 | 2003-10-15 | Sanyo Electric Co Ltd | Air conditioner and control method of air conditioner |
| US20080190131A1 (en) * | 2007-02-09 | 2008-08-14 | Lennox Manufacturing., Inc. A Corporation Of Delaware | Method and apparatus for removing ice from outdoor housing for an environmental conditioning unit |
| KR101225977B1 (en) * | 2007-06-14 | 2013-01-24 | 엘지전자 주식회사 | Air conditioner and Control method of the same |
| JP2009014215A (en) * | 2007-07-02 | 2009-01-22 | Panasonic Corp | Air conditioning device |
| JP2013108729A (en) * | 2011-11-24 | 2013-06-06 | Daikin Industries Ltd | Air conditioner |
| JP5897994B2 (en) * | 2012-06-06 | 2016-04-06 | シャープ株式会社 | Air conditioner |
| JP6082993B2 (en) * | 2013-08-26 | 2017-02-22 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
-
2015
- 2015-07-22 JP JP2017529223A patent/JP6388720B2/en not_active Expired - Fee Related
- 2015-07-22 WO PCT/JP2015/070775 patent/WO2017013757A1/en active Application Filing
- 2015-07-22 CN CN201590000238.2U patent/CN206145903U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017013757A1 (en) | 2017-01-26 |
| JP6388720B2 (en) | 2018-09-12 |
| JPWO2017013757A1 (en) | 2018-02-22 |
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Granted publication date: 20170503 |