CN108168018A - Air conditioner heat-production control method - Google Patents
Air conditioner heat-production control method Download PDFInfo
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- CN108168018A CN108168018A CN201711124351.3A CN201711124351A CN108168018A CN 108168018 A CN108168018 A CN 108168018A CN 201711124351 A CN201711124351 A CN 201711124351A CN 108168018 A CN108168018 A CN 108168018A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The present invention provides a kind of air conditioner heat-production control method, air conditioner has heating mode, and control method includes：After air conditioner works in heating mode and receives the instruction of starting energy-saving function, the persistently environment temperature Ti of indoor environment residing for the indoor unit of detection air conditioner, and the inner blower rotating speed n of indoor unit and the compressor frequency f of outdoor unit of the air conditioner are adjusted according to environment temperature Ti；Wherein inner blower rotating speed n increases with the increase of environment temperature Ti, and compressor frequency f reduces with the increase of environment temperature Ti.The inner blower rotating speed of this control method control indoor unit correspondingly increases with the raising of indoor temperature, makes the reduction of compressor of outdoor unit frequency, so as to increase the air quantity of indoor heat exchange, it reduces the heat exchange pressure of the entire heat-exchange system of the air conditioner in process of refrigerastion and reduces the energy consumption of compressor, so that the power of air conditioner entirety accordingly reduces.
Description
Technical field
The present invention relates to air-conditioning technique field, more particularly to a kind of control for air conditioner heat-production to be controlled to run
Method.
Background technology
At present, the energy saving subject of air conditioner industry be always study hot subject, Macro-policy, air-conditioning manufacturer and
Each research institution all is encouraging to study energy-saving and emission-reduction problem.Most of existing air-conditioned power-saving technology about each element of air-conditioning,
Such as compressor, motor power-saving technology and various air conditioner refrigerating in terms of power-saving technology, but at the same time, user couple
The demand of domestic air conditioning is more various, and only the power-saving technology in refrigerating operaton has been unable to meet air-conditioning and makes in Various Seasonal
With heating energy saving aspect and also lack a kind of effective power-economizing method.
Invention content
It is an object of the present invention to provide a kind of energy consumption relatively low air-conditioning heating control method.
The present invention one is further objective is that the heat exchange efficiency and comfort of air-conditioning heating will be improved.
Particularly, the present invention provides a kind of air conditioner heat-production control method, the air conditioner has heating mode, described
Control method includes：
After the air conditioner works in the heating mode and receives the instruction of starting energy-saving function, institute is persistently detected
The environment temperature Ti of indoor environment residing for the indoor unit of air conditioner is stated, and the indoor unit is adjusted according to the environment temperature Ti
The compressor frequency f of inner blower rotating speed n and the outdoor unit of the air conditioner；Wherein
The inner blower rotating speed n increases with the increase of the environment temperature Ti, and the compressor frequency f is with the environment
The increase of temperature Ti and reduce.
Further, after the air conditioner works in the heating mode and the power saving function is opened, described in control
Inner blower rotating speed n linear increments with the increase of the environment temperature Ti；And
Control the compressor frequency f of the outdoor unit with the increase of the environment temperature Ti linear reduction.
Further, the calculation formula of the rotation speed change of the inner blower rotating speed n is：
N=int (a × Ti+b)
Wherein, n is numerical value as unit of rotating speed per minute, Ti be by degree Celsius as unit of numerical value, a is value range
Rotating speed coefficient between 20.4~26.0, b are first calibration factor of the value range between 500~650.
Further, the calculation formula of the frequency variation of the compressor frequency f is：
F=A × Ti+B
Wherein, f is numerical value as unit of hertz, Ti be by degree Celsius as unit of numerical value, A is value range -2.2
Coefficient of frequency between~-1.2, B are second calibration factor of the value range between 96~107.
Further, it is described when the environment temperature Ti is more than the high limit temperature threshold Tmax of preset environment temperature
The inner blower rotating speed Ti in rotating speed calculation formula and the frequency calculation formula is chosen for the high limit temperature threshold Tmax；
And
Tmax be by degree Celsius as unit of numerical value.
Further, it is described when the environment temperature Ti is less than the lower temperature threshold Tmin of preset environment temperature
The inner blower rotating speed Ti in rotating speed calculation formula and the frequency calculation formula is chosen for the lower temperature threshold Tmin；
And
Tmin be by degree Celsius as unit of numerical value.
Further, the control method further includes：When the air conditioner works in the heating mode and receives out
After the instruction for opening power saving function, the current environment temperature Ti is reacquired at interval of a preset update cycle.
Further, the control method further includes：When the air conditioner works in the heating mode and described energy saving
After function is opened, if the indoor unit receives the control instruction for changing temperature and/or changing wind speed, the section is automatically closed
It can function.
This control method by controlling the inner blower rotating speed of indoor unit with the phase linear raising of raising of indoor environment temperature, from
And the air quantity of indoor heat exchange is incrementally increased, the heat exchange pressure of the entire heat-exchange system of the air conditioner in reduction process of refrigerastion.
Further, this control method also controls outdoor unit compressor frequency linear with the raising of indoor environment temperature
It reduces, so that the power of air conditioner entirety accordingly reduces, reduces the heat exchange energy consumption of indoor unit entirety.
Further, although compressor frequency is reducing, since heat exchange air quantity is in lasting increase, a drop one increases substantially
It can ensure that heating capacity does not have significant changes, ensure that the heating effect of air conditioner.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments of detailed description of the present invention by way of example rather than limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic flow chart of control method according to an embodiment of the invention；
Fig. 2 is the schematic design sketch of control method according to an embodiment of the invention；
Fig. 3 be control method according to an embodiment of the invention inner blower rotating speed and compressor frequency relative to environment
The schematic diagram of temperature change.
Specific embodiment
Air conditioner may include indoor unit and outdoor unit in general manner.Indoor unit generally may include inner blower and indoor heat exchange
Device.Outdoor unit generally may include compressor, four-way valve, throttling set, outer wind turbine and outdoor heat exchanger etc..Usually, air conditioner
When working in refrigeration mode, indoor heat exchanger is as evaporator, and outdoor heat exchanger is as condenser.Further, air conditioner
When working in heating mode, it can become outdoor heat exchanger by the way that the commutation of outdoor unit four-way valve is made to change the flow direction of refrigerant
Evaporator absorbs heat, and indoor heat exchanger is made to become condenser heat rejection.
The control method of the present invention can be used for running on the air conditioner of heating mode.Air conditioner can have the energy saving mould of acquiescence
Formula also can realize power saving function under the control of this control method.It that is to say, air conditioner can have original power saving function to refer to
It enables, instruction of the control instruction as starting energy-saving function that also can will enable this control method.
Specifically, control method is included when air conditioner works in heating mode and receives the instruction of starting energy-saving function
Afterwards, the persistently environment temperature Ti of indoor environment residing for the indoor unit of detection air conditioner, and indoor unit is adjusted according to environment temperature Ti
Inner blower rotating speed n and outdoor unit of the air conditioner compressor frequency f.Particularly, inner blower rotating speed n with environment temperature Ti increasing
Add and increase, compressor frequency f reduces with the increase of environment temperature Ti.
It that is to say, after indoor unit runs heating mode, as indoor environment temperature is higher and higher.This control method controls
The inner blower rotating speed of indoor unit is also correspondingly higher and higher, so as to increase the air quantity of indoor heat exchange, reduces in process of refrigerastion
The heat exchange pressure of the entire heat-exchange system of air conditioner.Correspondingly, make rotating speed and the room of inner blower in the prior art different from some
The controlling party to run at high speed that the frequency positive correlation of external compression machine changes, compressor is made necessarily to correspond to indoor fan when operating in a high frequency
Method, this control method also controls the reduction of outdoor unit compressor frequency, so that the power of air conditioner entirety accordingly reduces.
Fig. 1 is the schematic flow chart of control method according to an embodiment of the invention.Referring to Fig. 1, control method tool
Body includes：
Step S100, air-conditioning enter heating mode, starting energy-saving function.
Step S102 obtains environment temperature Ti.
Step S104, judges whether environment temperature Ti is greater than or equal to high limit temperature threshold Tmax；If so, perform step
S106；If it is not, then perform step S108.
Step S106, environment temperature Ti are chosen for high limit temperature threshold Tmax.
Step S108, judges whether environment temperature Ti is less than or equal to lower temperature threshold Tmin；If so, perform step
S110；If it is not, then perform step S112.
Step S110；Environment temperature Ti is chosen for lower temperature threshold Tmin.
Step S112 adjusts inner blower rotating speed n according to environment temperature Ti.
Step S114 adjusts compressor frequency f according to environment temperature Ti.
Step S116, judges whether inner blower rotating speed n and compressor frequency f has kept a update cycle not change；
Step S102 is performed if so, returning；If it is not, then perform step S118.
Step S118 keeps current operating status.
Whether step S120, air conditioner receive the control instruction for changing heating temperature and/or wind speed of blowing；If so,
Perform step S122；If it is not, then continue to execute step S118.
Step S122, exits power saving function.
Fig. 2 is the schematic design sketch of control method according to an embodiment of the invention.
Referring to Fig. 2, the indoor unit of energy-saving heat-production is carried out in the heating operation of short time using the control method of the present invention
(being greater than or equal to after ten minutes) can reduce system power to a certain extent.Particularly, when indoor unit is controlled by this control
After method carries out the heating operation (being greater than or equal to 30 minutes) for a long time, system power is substantially reduced, and be that is to say and is worked as indoor unit
After booting a period of time and entrance stable operation, system power will greatly reduce, and energy consumption is substantially reduced needed for heating.Although room
The inner blower rotating speed increase of interior machine causes power of motor also can accordingly increase, but inner blower motor this Partial Power very little, generally
Only 10-50W, the reduction of entire heat-exchange system pressure and the reduction of compressor frequency cause the part of air-conditioning power reduction long-range
In the part of blower motor power rise, therefore the reduction of air-conditioning power can be made on the whole, greatly enhance the energy-saving effect of air-conditioning.
Further, although compressor frequency is reducing, since heat exchange air quantity is in lasting increase, a drop one increases substantially
It can ensure that heating capacity does not have significant changes, ensure that the heating effect of air conditioner.
Fig. 3 is inner blower rotating speed and compressor frequency according to one embodiment of the invention control method relative to environment temperature
Spend the schematic diagram of variation.
Referring to Fig. 3, in some embodiments of the invention, when air conditioner works in heating mode and power saving function unlatching
When, the control method shown in step S112 and S114 can be specially：Control inner blower rotating speed n with the increase of environment temperature Ti and
The compressor frequency f of linear increment and control outdoor unit linear reductions with the increase of environment temperature Ti.
Specifically, the calculation formula of the rotation speed change of inner blower rotating speed n is：
N=int (a × Ti+b)
Wherein, n be with the numerical value that rotating speed per minute (that is to say rmp) be unit, Ti for by degree Celsius as unit of numerical value,
A is rotating speed coefficient of the value range between 20.4~26.0, and b is first calibration system of the value range between 500~650
Number.Int is by function of the downward rounding of numerical value for immediate integer.
Further, in some embodiments of the invention, control method may also include：When environment temperature Ti is less than 15 DEG C
When, the value of rotating speed coefficient a preferentially chooses value of the value range close to lower limit.It is, for example, less than 23.5 rotating speed coefficient, specifically
Such as 20.4,22.1,23.0.The value of first calibration factor b preferentially chooses value of the value range close to lower limit, is, for example, less than
575 the first calibration factor, specific such as 550,560,570.When environment temperature Ti is greater than or equal to 15 DEG C, rotating speed coefficient a
Value preferentially choose value of the value range close to the upper limit.It is greater than or the rotating speed coefficient equal to 23.5.Specific such as 24.0,
24.7th, 25.2,26.0 etc..The value of first calibration factor b preferentially chooses value of the value range close to the upper limit, is greater than or waits
In 575 rotating speed coefficient, specific such as 600,630,650.It that is to say, when indoor environment temperature is low (Ti is less than 15 DEG C), be
Ensure leaving air temp, air-conditioning internal machine rotating speed controlled can be maintained at a higher but not excessively high and slowly varying velocity amplitude, thus
User is avoided not feel well.It further, when indoor environment temperature is higher (Ti is greater than or equal to 15 DEG C), then can be by by
The rotating speed of wind turbine is properly increased to ensure energy-saving effect as much as possible, so as to reduce the pressure of entire heat-exchange system, is realized energy saving.
Further, the calculation formula of the frequency variation of compressor frequency f is：
F=A × Ti+B
Wherein, f is the numerical value as unit of hertz, and A is coefficient of frequency of the value range between -2.2~-1.2, and B is
Second calibration factor of the value range between 96~107, press frequency f precision, which can use to one decimal place, (that is to say
0.1)。
Further, in some embodiments of the invention, control method may also include：When environment temperature Ti is less than 15 DEG C
When, the value of coefficient of frequency A preferentially chooses value of the value range close to the upper limit.Be greater than -1.7 coefficient of frequency, it is specific as -
1.5th, -1.3, -1.2 etc..The value of second calibration factor B preferentially chooses value of the value range close to the upper limit, is greater than 101
Second calibration factor, specific such as 105,106,107.When environment temperature Ti is greater than or equal to 15 DEG C, the value of coefficient of frequency A
Preferential value range of choosing is close to the value of lower limit, e.g., less than or equal to -1.7 coefficient of frequency, it is specific such as -2.2, -2.0, -
1.9 it waits.The value of second calibration factor B preferentially chooses value of the value range close to lower limit, and the second of e.g., less than or equal to 101
Calibration factor, specific such as 96,97,99.It that is to say, when indoor environment temperature is low (Ti is less than 15 DEG C), by air-conditioning press frequency
Rate is maintained at a relatively low but not too low frequency values, to ensure heating capacity while energy consumption is reduced.Further, work as interior
When environment temperature is higher (Ti is more than or equal to 15 DEG C), for energy-saving effect is maximized, suitably press frequency can be lowered.Due to
Environment temperature is higher at this time, and inner blower is controlled with relatively high rotating speed, therefore the heating capacity of indoor unit will not be big at this time
Amplitude variation, user will not generate sense of discomfort.
In some embodiments of the invention, the control method in step S104 to S106 can be specifically, work as environment temperature
When Ti is more than the high limit temperature threshold Tmax of preset environment temperature, the environment temperature in rotating speed calculation formula and frequency calculation formula
Degree Ti is chosen for high limit temperature threshold Tmax.Specifically, Tmax be by degree Celsius as unit of numerical value, can be 25 to 35 between
Arbitrary value, such as 25,30,35 etc..That is to say high limit temperature threshold can be 25 DEG C, 30 DEG C, 35 DEG C etc..Preferably, on this
Limit threshold value can be chosen for 30 DEG C.At this time when environment temperature rises to 30 DEG C or more than 30 DEG C, for adjusting inner blower rotating speed
30 can be directly chosen for the environment temperature numerical value Ti of compressor frequency.
In some embodiments of the invention, the control method in step S108 to S110 can be specifically, work as environment temperature
When Ti is less than the lower temperature threshold Tmin of preset environment temperature, the environment temperature in rotating speed calculation formula and frequency calculation formula
Degree Ti is chosen for lower temperature threshold Tmin.Specifically, Tmin be by degree Celsius as unit of numerical value, can be 0 to 10 between
Arbitrary value, such as 3,5,7 etc..That is to say lower temperature threshold can be 3 DEG C, 5 DEG C, 7 DEG C etc..Preferably, the lower threshold
It can be chosen for 5 DEG C.At this time when environment temperature is dropped to 5 DEG C or less than 5 DEG C, for adjusting inner blower rotating speed and compressor
The environment temperature numerical value Ti of frequency can directly be chosen for 5.
It is more than indoor unit maximum noise that the setting of the high limit temperature threshold of the present invention, which ensures that air conditioner indoor unit rotating speed is unlikely to,
Corresponding rotating speed.The setting of lower temperature threshold can ensure that compressor frequency is unlikely to excessively high, and compressor operating frequency is avoided to surpass
Its normal operating frequency range is crossed, to extend the service life of compressor.
The control method of the present invention so that for identical indoor environment temperature the indoor unit rotating speed in heating operation is got over
Low, then its leaving air temp is higher；Indoor unit rotating speed is higher, then its leaving air temp is lower.It that is to say, indoor environment temperature Ti is low
When, indoor unit rotating speed is relatively low, and leaving air temp is higher at this time, and people does not have the feeling blown a cold wind over.And indoor environment temperature Ti
Gao Shi, indoor unit rotating speed is relatively high, and air conditioning exhausting temperature should be relatively lower (before being all mutually with indoor environment temperature at this time
Carry), but because of indoor environment temperature Ti higher, people does not have the feeling blown a cold wind over still.That is as indoor environment temperature increases,
Indoor unit rotating speed is linearly stepped up, and air conditioning exhausting temperature, substantially without big variation, is protected within some continuous period
Card user does not have the impression blown a cold wind over, and improves heating comfort.
In some embodiments of the invention, control method further includes：When air conditioner works in heating mode and receives
After the instruction of starting energy-saving function, current environment temperature Ti is reacquired at interval of a preset update cycle.Specifically, it walks
A update cycle can be 5s to the random time value between 1min in rapid S116.Such as can be 10s, 20s, 30s, 40s,
50s etc..The big mutation of impossible appearance within the time of such as 30s due to indoor environment temperature, therefore inner blower rotating speed and compression
The variation of unit frequency is also impossible to huge mutation occur.Thereby it is ensured that inner blower rotating speed is gradually slowly varying, Bu Huiyin
Play the attention of user.
In some embodiments of the invention, when air conditioner works in heating mode and power saving function is opened, if indoor
Machine receives the control instruction for changing temperature and/or changing wind speed, then energy saving function is automatically closed.It that is to say, pass through step
S120, the air-conditioning heat exchange efficiency under user is not content with power saving function can be by adjusting the desired heat-exchange temperature of setting manually
And blast intensity.Air conditioner can be automatically stopped power saving function without user's operation bidirectional at this time, to reach within the shortest time
With the heat transfer intensity and continuous service of user's requirement, meet the different demands of user.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (8)
1. a kind of air conditioner heat-production control method, the air conditioner has heating mode, and the control method includes：
After the air conditioner works in the heating mode and receives the instruction of starting energy-saving function, the sky is persistently detected
The environment temperature Ti of indoor environment residing for the indoor unit of device is adjusted, and the interior wind of the indoor unit is adjusted according to the environment temperature Ti
The compressor frequency f of machine rotating speed n and the outdoor unit of the air conditioner；Wherein
The inner blower rotating speed n increases with the increase of the environment temperature Ti, and the compressor frequency f is with the environment temperature
The increase of Ti and reduce.
2. control method according to claim 1, wherein,
After the air conditioner, which works in the heating mode and the power saving function, to be opened, control the inner blower rotating speed n with
The increase of the environment temperature Ti and linear increment；And
Control the compressor frequency f of the outdoor unit with the increase of the environment temperature Ti linear reduction.
3. control method according to claim 2, wherein,
The calculation formula of the rotation speed change of the inner blower rotating speed n is：
N=int (a × Ti+b)
Wherein, n is numerical value as unit of rotating speed per minute, Ti be by degree Celsius as unit of numerical value, a exists for value range
Rotating speed coefficient between 20.4~26.0, b are first calibration factor of the value range between 500~650.
4. control method according to claim 2, wherein,
The compressor frequency f frequency variation calculation formula be：
F=A × Ti+B
Wherein, f is numerical value as unit of hertz, Ti be by degree Celsius as unit of numerical value, A for value range -2.2~-
Coefficient of frequency between 1.2, B are second calibration factor of the value range between 96~107.
5. control method according to claim 3 or 4, wherein
When the environment temperature Ti be more than preset environment temperature high limit temperature threshold Tmax when, the rotating speed calculation formula and
The inner blower rotating speed Ti in the frequency calculation formula is chosen for the high limit temperature threshold Tmax；And
Tmax be by degree Celsius as unit of numerical value.
6. control method according to claim 3 or 4, wherein：
When the environment temperature Ti be less than preset environment temperature lower temperature threshold Tmin when, the rotating speed calculation formula and
The inner blower rotating speed Ti in the frequency calculation formula is chosen for the lower temperature threshold Tmin；And
Tmin be by degree Celsius as unit of numerical value.
7. control method according to claim 1, further includes：
It is preset at interval of one after the air conditioner works in the heating mode and receives the instruction of starting energy-saving function
Update cycle reacquires the current environment temperature Ti.
8. control method according to claim 3, further includes：
After the air conditioner works in the heating mode and the power saving function is opened, if the indoor unit receives change
Temperature and/or the control instruction for changing wind speed, then be automatically closed the power saving function.
Priority Applications (1)
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|---|---|---|---|
| CN201711124351.3A CN108168018B (en) | 2017-11-14 | 2017-11-14 | Heating control method for air conditioner |
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|---|---|---|---|
| CN201711124351.3A CN108168018B (en) | 2017-11-14 | 2017-11-14 | Heating control method for air conditioner |
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ID=62527278
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| CN110329037A (en) * | 2019-07-30 | 2019-10-15 | 青岛海立电机有限公司 | The control method of Air conditioner on car |
| CN110332668A (en) * | 2019-07-12 | 2019-10-15 | 宁波奥克斯电气股份有限公司 | A kind of control method of heating mode, system and air conditioner |
| CN111023428A (en) * | 2019-12-26 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN111976413A (en) * | 2019-05-21 | 2020-11-24 | 长城汽车股份有限公司 | Vehicle air conditioner control device and method, vehicle air conditioner and vehicle |
| CN114576826A (en) * | 2020-11-30 | 2022-06-03 | 广东美的制冷设备有限公司 | Operation control method and device of air conditioner, air conditioner and storage medium |
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| CN114576826A (en) * | 2020-11-30 | 2022-06-03 | 广东美的制冷设备有限公司 | Operation control method and device of air conditioner, air conditioner and storage medium |
| CN114576826B (en) * | 2020-11-30 | 2023-11-07 | 广东美的制冷设备有限公司 | Operation control method and device for air conditioner, air conditioner and storage medium |
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