CN106403181A - Air conditioner and low-temperature heating control method thereof - Google Patents
Air conditioner and low-temperature heating control method thereof Download PDFInfo
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- CN106403181A CN106403181A CN201610836924.4A CN201610836924A CN106403181A CN 106403181 A CN106403181 A CN 106403181A CN 201610836924 A CN201610836924 A CN 201610836924A CN 106403181 A CN106403181 A CN 106403181A
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- temperature
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- temperature heating
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner and a low-temperature heating control method thereof. The air conditioner comprises an interaction module and a low-temperature heating control module, wherein the interaction module is used for sending a low-temperature heating control signal to the low-temperature heating control module when receiving the low-temperature heating control signal triggered by a low-temperature heating control part; the low-temperature heating control module is used for controlling the air conditioner to enter a low-temperature heating mode after receiving the low-temperature heating control signal, and setting the set temperature of the air conditioner as a first heating temperature, so as to control an indoor fan and an outdoor unit of the air conditioner according to the difference value between the set temperature and the environment temperature; and the first heating temperature is smaller than the minimum preset temperature of the air conditioner under the normal heating mode. According to the air conditioner, the set temperature of the air conditioner can reach the minimum preset temperature of normal heating mode or below, and the low-temperature heating output requirement of a user can be met in a room according to the requirement.
Description
Technical field
The present invention relates to technical field of air conditioner, more particularly, to a kind of air-conditioner and its low-temperature heating control method.
Background technology
Air-conditioner is air regulator (air conditioner).Refer to use artificial means, to building/structures inner ring
The process that the parameters such as the temperature of border air, humidity, cleanliness factor, speed are adjusted and control.
Frequency conversion Split type air conditioner increasingly pursues the diversified, intelligent of its function and differentiation at present.For example in Europe
With some more flourishing countries of North America, some terminal clients of the winter of severe cold are in order to realize to house interior temperature unmanned for a long time
The reasonable control of degree, generally has less than 16 degree of temperature requirements, thus reach house interior temperature being unlikely to room temperature
Spend low and cause the damage to room interior trim, floor or furniture.But it is typically permissible under the conventional heating pattern of domestic air conditioner
The temperature setting is only 17 degree of -30 degree it is impossible to realize the setting of lower temperature less than 17 degree and control.
Content of the invention
For the defect of prior art, the invention provides a kind of air-conditioner and its low-temperature heating control method, solve
In prior art, air-conditioner cannot arrange the technical problem of the heating mode of lower temperature operation.
In a first aspect, the invention provides a kind of air-conditioner, including：Interactive module, low-temperature heating control module；
Described interactive module, for receive low-temperature heating control triggering low-temperature heating control signal when, will be described
Low-temperature heating control signal sends to described low-temperature heating control module；
Described low-temperature heating control module, for, after receiving described low-temperature heating control signal, controlling described air-conditioning
Device enters low-temperature heating pattern, the design temperature of described air-conditioner is set to first and heats temperature, to set temperature according to described
The difference of degree and environment temperature controls indoor fan and the off-premises station of described air-conditioner；
Wherein, described first heat temperature less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner.
Preferably, described interactive module, is additionally operable to, when described air-conditioner is in low-temperature heating pattern, to receive temperature
The temperature adjustment signal adjusting control transmission sends to described low-temperature heating control module；
Described low-temperature heating control module, is additionally operable to after receiving described temperature adjustment signal, in default temperature model
Enclose the interior design temperature adjusting described air-conditioner；
Wherein, the higher limit of described default temperature range is minimum pre- under conventional heating pattern less than described air-conditioner
If temperature.
Preferably, described low-temperature heating control module, specifically for：
If the temperature adjustment signal receiving lowers signal for temperature, obtain the current setting temperature of described air-conditioner
Degree；
If described current design temperature is more than the first preset temperature, reduce the design temperature of described air-conditioner；
If described current design temperature is equal to the first preset temperature, the design temperature of described air-conditioner is adjusted to the
Two preset temperatures；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is
The higher limit of described default temperature range.
Preferably, described low-temperature heating control module, specifically for：
If the temperature adjustment signal receiving raises signal for temperature, obtain the current setting temperature of described air-conditioner
Degree；
If described current design temperature is less than the second preset temperature, increase the design temperature of described air-conditioner；
If described current design temperature is equal to the second preset temperature, the design temperature of described air-conditioner is adjusted to the
One preset temperature；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is
The higher limit of described default temperature range.
Preferably, described interactive module, is additionally operable to, when described air-conditioner is in low-temperature heating pattern, to receive wind speed
The wind speed Regulate signal adjusting control transmission sends to described low-temperature heating control module；
Described low-temperature heating control module, is additionally operable to after receiving described wind speed Regulate signal, by described air-conditioner
Indoor fan rotating speed is set to high wind pattern or apoplexy pattern.
Preferably, described low-temperature heating control module, specifically for：
Obtain difference ε of described design temperature ts and environment temperature t1；
If a≤ε≤b, control running frequency f=b/a*fmin of compressor；If during f=b/a*fmin >=1/2fmax,
Control running frequency f=fmax of described compressor；
If ε >=b, control running frequency f=fmax of described compressor；
If ε≤a, control running frequency f=fmin of described compressor；
Wherein, ε=ts-t1；A is the 3rd preset temperature, and b is the 4th preset temperature, and a >=0, b >=0；Fmin is compression
Machine minimum running frequency；Fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax,
Fmax is maximum frequency of operation under conventional heating pattern for the compressor.
Preferably, described low-temperature heating control module, is additionally operable to：
When the indoor temperature transmitter of described air-conditioner or indoor set coil temperature sensor break down, control described
Running frequency f=1/4fmax of the compressor of air-conditioner, the indoor fan rotating speed controlling described air-conditioner is high wind pattern；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation under conventional heating pattern for the compressor.
Preferably, described low-temperature heating control module, is additionally operable to：
When the running frequency of compressor described in preset time period is consistently less than the first predeterminated frequency, then control described sky
Adjust device execution oil return function, the running frequency simultaneously controlling the compressor of described air-conditioner is f=1/2fmax, controls described sky
The indoor and outdoor blower fan adjusting device is high wind pattern, and the electronic expansion valve opening of the described air-conditioner of control is maximum；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation under conventional heating pattern for the compressor.
Preferably, described low-temperature heating control module, is additionally operable to：
When described air-conditioner is in low-temperature heating pattern, if receiving other in addition to described low-temperature heating control signal
Function control signal, controls described air-conditioner to exit described low-temperature heating pattern.
Second aspect, the invention provides a kind of low-temperature heating control method of air-conditioner, methods described includes：
When air-conditioner receives the low-temperature heating control signal of low-temperature heating control triggering, described air-conditioner is controlled to enter low
Warm heating mode；
The design temperature of described air-conditioner is set to first and heats temperature, with according to described design temperature and environment temperature
Difference control the indoor fan of described air-conditioner and off-premises station；
Wherein, described first heat temperature less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner.
As shown from the above technical solution, the present invention provides a kind of air-conditioner and its low-temperature heating control method, by interaction
Module sends low-temperature heating control signal to low-temperature heating control module；And low-temperature heating control module receive described low
After warm heating control signal, described air-conditioner is controlled to enter low-temperature heating pattern, and the design temperature setting by described air-conditioner
Heat temperature for first, wherein first heats temperature is less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner,
So, the present invention is capable of the heating mode of capabilities output, and design temperature is up to the minimum predetermined temperature of conventional heating pattern
So that user can realize the demand to the output of room low-temperature heating according to demand below degree.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these figures.
Fig. 1 is a kind of structural representation of air-conditioner that one embodiment of the invention provides；
Fig. 2 is the schematic diagram of the remote control of air-conditioner that one embodiment of the invention provides；
Fig. 3 is the schematic diagram of the display screen of the remote control of air-conditioner that another embodiment of the present invention provides；
Fig. 4 is a kind of schematic flow sheet of the low-temperature heating control method of air-conditioner that one embodiment of the invention provides；
Fig. 5 is a kind of schematic flow sheet of the low-temperature heating control method of air-conditioner that another embodiment of the present invention provides.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Fig. 1 is the structural representation of one of one embodiment of the invention air-conditioner, as shown in figure 1, described air-conditioner bag
Include：Interactive module 101, low-temperature heating control module 102.Wherein：
Described interactive module 101, for when receiving the low-temperature heating control signal of low-temperature heating control triggering, by institute
State low-temperature heating control signal to send to described low-temperature heating control module 102.
Described low-temperature heating control module 102, for, after receiving described low-temperature heating control signal, controlling described sky
Adjust device to enter low-temperature heating pattern, the design temperature of described air-conditioner is set to first and heats temperature, with according to described setting
The difference of temperature and environment temperature controls indoor fan and the off-premises station of described air-conditioner.
Wherein, described first heat temperature less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner.
For example, minimum predetermined temperature under conventional heating pattern for the air-conditioner is 17 DEG C, then low-temperature heating pattern is write from memory
Recognize and heat design temperature less than 17 DEG C, such as can be 6 DEG C -16 DEG C.
Specifically, described low-temperature heating control may be disposed on remote control or the control panel of air-conditioner.For example, such as
Remote control shown in Fig. 2 and Fig. 3, is provided with for sending in the display screen key zone 3 below the display screen 1 of remote control
The low-temperature heating button 2 of low-temperature heating control signal, i.e. " S-heat " button.As shown in figure 4, when user passes through to trigger remote control dress
When putting " S-heat " and switching to low-temperature heating pattern by key control air-conditioner, the display screen 1 of remote control can show selection
S-heat pattern.
Specifically, after low-temperature heating control module 102 receives described low-temperature heating control signal, control described air-conditioning
Device enters low-temperature heating pattern, the design temperature of described air-conditioner will be set to first and heat temperature so that air-conditioner is by ring
Border temperature is compared with this design temperature, and the control instruction of output indoor fan and off-premises station, so that environment temperature gradually connects
It is bordering on this design temperature.Understandably, off-premises station mainly includes the workpieces such as compressor, outdoor fan, cross valve.
If it should be noted that user is first pass low-temperature heating control sends low-temperature heating letter to interactive module 101
Number, then now low-temperature heating control module 102 can heat temperature setting for 16 DEG C by first；And if user is not that first pass is low
Temperature heats control and sends low-temperature heating signal to interactive module 101, then now low-temperature heating control module 102 can heat first
Temperature setting is the design temperature under last time low-temperature heating pattern, and such as last time exits running temperature during low-temperature heating pattern is 11
DEG C, then when after shutting down, start runs low-temperature heating pattern again, the temperature of the initial display of air-conditioner is 11 DEG C.
As can be seen here, the present embodiment is sent low-temperature heating control signal to low-temperature heating control by interactive module 101
Module 102；And low-temperature heating control module 102, after receiving described low-temperature heating control signal, controls described air-conditioner to enter
Enter low-temperature heating pattern, and the design temperature of described air-conditioner is set to first and heat temperature, wherein first to heat temperature little
In minimum predetermined temperature under conventional heating pattern for the described air-conditioner.So, the present embodiment is capable of capabilities output
Heating mode, design temperature up to below the minimum predetermined temperature of conventional heating pattern so that user can realize according to demand right
The demand of room low-temperature heating output.
Further, in an alternate embodiment of the present invention where, described interactive module 101, is additionally operable in described air-conditioning
When device is in low-temperature heating pattern, the temperature adjustment signal receiving the transmission of temperature adjustment control is sent to described low-temperature heating
Control module 102.
Correspondingly, described low-temperature heating control module 102, is additionally operable to after receiving described temperature adjustment signal, pre-
If within the temperature range of adjust the design temperature of described air-conditioner.
Wherein, the higher limit of described default temperature range is minimum pre- under conventional heating pattern less than described air-conditioner
If temperature.
For example, described default temperature range can be 6 DEG C -16 DEG C.Certainly, also can will preset in other embodiments
Temperature range be set to other higher limits and lower limit, the higher limit that only need to meet default temperature range is less than described sky
Adjust minimum predetermined temperature under conventional heating pattern for the device, the present embodiment is not any limitation as to this.
In the present embodiment, temperature adjustment control can be temperature on the remote control of air-conditioning or control panel raise button or
Temperature lowers button, then low-temperature heating pattern and conventional heating pattern can share temperature and raise button and temperature downward button.
In the present embodiment, described low-temperature heating control module, specifically for：
If the temperature adjustment signal receiving lowers signal for temperature, obtain the current setting temperature of described air-conditioner
Degree；
If described current design temperature is more than the first preset temperature, reduce the design temperature of described air-conditioner；
If described current design temperature is equal to the first preset temperature, the design temperature of described air-conditioner is adjusted to the
Two preset temperatures；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is
The higher limit of described default temperature range.
For example, when default temperature range is 6 DEG C -16 DEG C, the first preset temperature is 6 DEG C, and the second preset temperature is
16 DEG C, if then receiving, temperature lowers signal and current design temperature is more than 6 DEG C, such as 16 DEG C, then reduce the setting of air-conditioner
Temperature is to 15 DEG C；So, can be sequentially reduced to 6 DEG C according to tune signal at a temperature of receiving；After design temperature is decreased to 6 DEG C,
If receiving temperature again to lower signal, now no longer reducing the design temperature of air-conditioner, and air-conditioner design temperature is set
It is set to 16 DEG C, so repeatedly.
In the present embodiment, described low-temperature heating control module, specifically for：
If the temperature adjustment signal receiving raises signal for temperature, obtain the current setting temperature of described air-conditioner
Degree；
If described current design temperature is less than the second preset temperature, increase the design temperature of described air-conditioner；
If described current design temperature is equal to the second preset temperature, the design temperature of described air-conditioner is adjusted to the
One preset temperature；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is
The higher limit of described default temperature range.
For example, when default temperature range is 6 DEG C -16 DEG C, the first preset temperature is 6 DEG C, and the second preset temperature is
16 DEG C, if then receiving, temperature raises signal and current design temperature is less than 16 DEG C, such as 6 DEG C, then increase the setting of air-conditioner
Temperature is to 7 DEG C；So, signal is raised according to the temperature receiving and can increase to 16 DEG C successively；After design temperature increases to 16 DEG C,
If receiving temperature again to raise signal, now no longer increasing the design temperature of air-conditioner, and air-conditioner design temperature is set
It is set to 6 DEG C, so repeatedly.
In the present embodiment, under low-temperature heating pattern, if air-conditioner receives temperature adjustment signal, in default temperature
In the range of adjust the design temperature of described air-conditioner.So it is achieved that heating mould by what air-conditioner was arranged on lower temperature operation
Formula, and meet the temperature adjustment to low-temperature heating for the user.
Further, in an alternate embodiment of the present invention where, described interactive module 101, is additionally operable in described air-conditioning
When device is in low-temperature heating pattern, the wind speed Regulate signal receiving wind speed regulation control transmission is sent to described low-temperature heating
Control module 102.
Correspondingly, described low-temperature heating control module 102, is additionally operable to after receiving described wind speed Regulate signal, by institute
The indoor fan rotating speed stating air-conditioner is set to high wind pattern or apoplexy pattern.
Specifically, wind speed adjusts the wind speed regulation arranging on the remote control that control can be air-conditioner or control panel and presses
Key.When low-temperature heating control module 102 receives wind speed Regulate signal, judge current indoor set rotation speed of fan as high wind still
The indoor fan rotating speed of described air-conditioner if high wind pattern, is then set to apoplexy pattern by apoplexy；If apoplexy pattern, then
The indoor fan rotating speed of described air-conditioner is set to high wind pattern.As can be seen here, the wind speed in the present embodiment can only select height
Wind pattern or apoplexy pattern.
Under conventional heating pattern, indoor fan rotating speed may be configured as high wind, apoplexy, low wind or quiet isotype, and
Under low-temperature heating pattern, due to heating temperature, inherently ratio is relatively low, and now opening indoor fan is high wind or apoplexy, is easy to heat
Temperature Quick diffusing in environment it is ensured that temperature field be heated evenly so that heating mode in hgher efficiency.
It should be noted that under low-temperature heating pattern, outdoor fan rotating speed controls and wind outdoor under conventional heating pattern
Machine rotating speed control logic is identical, automatically selects high, medium and low notch speed according to outdoor environment temperature.
Further, since low-temperature heating pattern is opened generally in unmanned environment, therefore under low-temperature heating pattern, can close anti-
Cold wind function and the protection of anti-cold wind.
Specifically, in an alternate embodiment of the present invention where, described low-temperature heating control module 102, specifically for：
Obtain difference ε of described design temperature ts and environment temperature t1；
If a≤ε≤b, control running frequency f=b/a*fmin of compressor；If during f=b/a*fmin >=1/2fmax,
Control running frequency f=fmax of described compressor；
If ε >=b, control running frequency f=fmax of described compressor；
If ε≤a, control running frequency f=fmin of described compressor；
Wherein, ε=ts-t1；A is the 3rd preset temperature, and b is the 4th preset temperature, and a >=0, b >=0；Fmin is compression
Machine minimum running frequency；Fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax,
Fmax is maximum frequency of operation under conventional heating pattern for the compressor.
It should be noted that when ε=ts-t1≤0, air-conditioner maintains and runs preset time period, after such as 30min, Da Wen
Shut down.If (in 30min), ε=ts-t1 >=0, then judge again in preset time period, no longer reach temperature shutdown.
Further, described low-temperature heating control module 102, is additionally operable to：
When the indoor temperature transmitter of described air-conditioner or indoor set coil temperature sensor break down, control described
Running frequency f=1/4fmax of the compressor of air-conditioner, the indoor fan rotating speed controlling described air-conditioner is high wind pattern；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation under conventional heating pattern for the compressor.
Specifically, in the present embodiment, under low-temperature heating pattern, if indoor temperature transmitter and indoor set coil temperature
Sensor be short-circuited or open circuit fault after, can operate with failure, now control compressor running frequency f=1/4fmax,
And indoor fan rotating speed is high wind pattern.
It should be noted that for the air-conditioner with electric expansion valve, under low-temperature heating pattern, electric expansion valve
Control logic is identical with conventional heating pattern, is typically based on the degree of superheat or delivery temperature controls.
Further, in an alternate embodiment of the present invention where, described low-temperature heating control module 102, is additionally operable to：
When the running frequency of compressor described in preset time period is consistently less than the first predeterminated frequency, then control described sky
Adjust device execution oil return function, the running frequency simultaneously controlling the compressor of described air-conditioner is f=1/2fmax, controls described sky
The indoor and outdoor blower fan adjusting device is high wind pattern, and the electronic expansion valve opening of the described air-conditioner of control is maximum；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation under conventional heating pattern for the compressor.
For example, when compressor continuously runs the frequency of below 35HZ, and continue 90min, then air-conditioner executes once
Oil return function, during execution oil return function, frequency f=1/2fmax of compressor；Indoor and outdoor blower fan is high wind, and electric expansion valve is opened
Spend for maximum.
In the present embodiment it is achieved that low frequency oil return function under low-temperature heating pattern so that oil return flow velocity accelerate it is ensured that
Lubricating oil rapidly returns back to compressor.
Further, under low-temperature heating pattern, each limit frequency, stoppage protection are effectively, identical with conventional heating pattern.Specifically
For, when air-conditioner is in low-temperature heating pattern, the delivery temperature of timing acquisition compressor；When the delivery temperature of compressor is big
When the first predetermined threshold value, the running frequency of described compressor is reduced to predeterminated frequency；Delivery temperature when described compressor
During more than the second predetermined threshold value, described compressor is controlled to close, wherein, the second predetermined threshold value is more than the first predetermined threshold value.So,
To compressor using limit frequency and stoppage protection, prevent excessive discharge temperature from compressor is caused damage.
Further, in an alternate embodiment of the present invention where, described low-temperature heating control module 102, is additionally operable to：
When described air-conditioner is in low-temperature heating pattern, if receiving other in addition to described low-temperature heating control signal
Function control signal, controls described air-conditioner to exit described low-temperature heating pattern.
Specifically, when user selects other buttons corresponding other functions button by remote control or control panel
When, low-temperature heating pattern is cancelled automatically.For example, when receiving the other functions control signal such as shutdown command, mode tuning instruction,
Air-conditioner exits low-temperature heating pattern.
Fig. 4 is the schematic flow sheet of the low-temperature heating control method of one of one embodiment of the invention air-conditioner, such as Fig. 4
Shown, methods described comprises the steps：
S401：When air-conditioner receives the low-temperature heating control signal of low-temperature heating control triggering, control described air-conditioner
Enter low-temperature heating pattern.
S402：The design temperature of described air-conditioner is set to first and heats temperature, with according to described design temperature and ring
The difference of border temperature controls indoor fan and the off-premises station of described air-conditioner.
Wherein, described first heat temperature less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner.
As can be seen here, in the present embodiment, air-conditioner, after receiving described low-temperature heating control signal, controls described air-conditioning
Device enters low-temperature heating pattern, and the design temperature of described air-conditioner is set to first heats temperature, and wherein first heats temperature
Degree is less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner.So, to be capable of capabilities defeated for the present embodiment
The heating mode going out, design temperature up to below the minimum predetermined temperature of conventional heating pattern so that user can be real according to demand
The now demand to the output of room low-temperature heating.
Further, in an alternate embodiment of the present invention where, as shown in figure 5, after step S402, methods described is also
Comprise the steps：
S403：Described air-conditioner receive temperature adjustment control transmission temperature adjustment signal after, in default temperature
In the range of adjust the design temperature of described air-conditioner.
Wherein, the higher limit of described default temperature range is minimum pre- under conventional heating pattern less than described air-conditioner
If temperature.
In the present embodiment, above-mentioned steps S403 include following sub-step：
S4031：If the temperature adjustment signal receiving lowers signal for temperature, obtain current the setting of described air-conditioner
Constant temperature degree；
S4032：If described current design temperature is more than the first preset temperature, reduce the setting temperature of described air-conditioner
Degree；
S4033：If described current design temperature is equal to the first preset temperature, the design temperature of described air-conditioner is adjusted
Save to the second preset temperature；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is
The higher limit of described default temperature range.
In the present embodiment, above-mentioned steps S403 include following sub-step：
S4031’：If the temperature adjustment signal receiving raises signal for temperature, obtain the current of described air-conditioner
Design temperature；
S4032’：If described current design temperature is less than the second preset temperature, increase the setting temperature of described air-conditioner
Degree；
S4033’：If described current design temperature is equal to the second preset temperature, by the design temperature of described air-conditioner
Adjust to the first preset temperature；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is
The higher limit of described default temperature range.
In the present embodiment, under low-temperature heating pattern, if air-conditioner receives temperature adjustment signal, in default temperature
In the range of adjust the design temperature of described air-conditioner.So it is achieved that heating mould by what air-conditioner was arranged on lower temperature operation
Formula, and meet the temperature adjustment to low-temperature heating for the user.
In an alternate embodiment of the present invention where, after step S402, methods described also comprises the steps：
Air-conditioner receive wind speed adjust control send wind speed Regulate signal after, by the indoor fan of described air-conditioner
Rotating speed is set to high wind pattern or apoplexy pattern.
In the present embodiment, the wind speed that wind speed adjusts setting on the remote control that control can be air-conditioner or control panel is adjusted
Button.Then when receiving wind speed Regulate signal, judge current indoor set rotation speed of fan as high wind or apoplexy, if Gao Fengmo
Formula, then be set to apoplexy pattern by the indoor fan rotating speed of described air-conditioner；If apoplexy pattern, then by the room of described air-conditioner
Inner blower rotating speed is set to high wind pattern.As can be seen here, the wind speed in the present embodiment can only select high wind pattern or apoplexy pattern.
In an alternate embodiment of the present invention where, described step S402, specifically includes：
Obtain difference ε of described design temperature ts and environment temperature t1；
If a≤ε≤b, control running frequency f=b/a*fmin of compressor；If during f=b/a*fmin >=1/2fmax,
Control running frequency f=fmax of described compressor；
If ε >=b, control running frequency f=fmax of described compressor；
If ε≤a, control running frequency f=fmin of described compressor；
Wherein, ε=ts-t1；A is the 3rd preset temperature, and b is the 4th preset temperature, and a >=0, b >=0；Fmin is compression
Machine minimum running frequency；Fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax,
Fmax is maximum frequency of operation under conventional heating pattern for the compressor.
It should be noted that when ε=ts-t1≤0, air-conditioner maintains and runs preset time period, after such as 30min, Da Wen
Shut down.If (in 30min), ε=ts-t1 >=0, then judge again in preset time period, no longer reach temperature shutdown.
Further, in an alternate embodiment of the present invention where, methods described also comprises the steps：
When the indoor temperature transmitter of described air-conditioner or indoor set coil temperature sensor break down, control described
Running frequency f=1/4fmax of the compressor of air-conditioner, the indoor fan rotating speed controlling described air-conditioner is high wind pattern；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation under conventional heating pattern for the compressor.
Specifically, in the present embodiment, under low-temperature heating pattern, if indoor temperature transmitter and indoor set coil temperature
Sensor be short-circuited or open circuit fault after, can operate with failure, now control compressor running frequency f=1/4fmax,
And indoor fan rotating speed is high wind pattern.
Further, in an alternate embodiment of the present invention where, methods described also comprises the steps：
When the running frequency of compressor described in preset time period is consistently less than the first predeterminated frequency, then control described sky
Adjust device execution oil return function, the running frequency simultaneously controlling the compressor of described air-conditioner is f=1/2fmax, controls described sky
The indoor and outdoor blower fan adjusting device is high wind pattern, and the electronic expansion valve opening of the described air-conditioner of control is maximum；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation under conventional heating pattern for the compressor.
In an alternate embodiment of the present invention where, after step S402, methods described comprises the steps：
When described air-conditioner is in low-temperature heating pattern, if receiving other in addition to described low-temperature heating control signal
Function control signal, controls described air-conditioner to exit described low-temperature heating pattern.
For embodiment of the method, due to itself and device embodiment basic simlarity, so description is fairly simple, related
Part illustrates referring to the part of device embodiment.
In describing the invention, it should be noted that term " on ", the orientation of instruction such as D score or position relationship be base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than indicate or imply
The device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of invention.Unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, example
As being to be fixedly connected or be detachably connected, or be integrally connected；Can be to be mechanically connected or be electrically connected
Connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For this
For the those of ordinary skill in field, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Also, it should be noted herein, such as first and second or the like relational terms are used merely to one
Entity or operation are made a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
There is any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to contain
Comprising of lid nonexcludability, wants so that including a series of process of key elements, method, article or equipment and not only including those
Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that
Also there is other identical element including in the process of described key element, method, article or equipment.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics；And these modification or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of air-conditioner is it is characterised in that include：Interactive module, low-temperature heating control module；
Described interactive module, for when receiving the low-temperature heating control signal of low-temperature heating control triggering, by described low temperature
Heating control signal sends to described low-temperature heating control module；
Described low-temperature heating control module, for after receiving described low-temperature heating control signal, controlling described air-conditioner to enter
Enter low-temperature heating pattern, the design temperature of described air-conditioner be set to first and heat temperature, with according to described design temperature with
The difference of environment temperature controls indoor fan and the off-premises station of described air-conditioner；
Wherein, described first heat temperature less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner.
2. air-conditioner according to claim 1 it is characterised in that
Described interactive module, is additionally operable to, when described air-conditioner is in low-temperature heating pattern, to receive temperature adjustment control and send out
The temperature adjustment signal sending sends to described low-temperature heating control module；
Described low-temperature heating control module, is additionally operable to after receiving described temperature adjustment signal, within the scope of default temperature
Adjust the design temperature of described air-conditioner；
Wherein, the higher limit of described default temperature range is less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner
Degree.
3. air-conditioner according to claim 2 is it is characterised in that described low-temperature heating control module, specifically for：
If the temperature adjustment signal receiving lowers signal for temperature, obtain the current design temperature of described air-conditioner；
If described current design temperature is more than the first preset temperature, reduce the design temperature of described air-conditioner；
If described current design temperature is equal to the first preset temperature, the design temperature of described air-conditioner is adjusted to second pre-
If temperature；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is described
The higher limit of default temperature range.
4. air-conditioner according to claim 2 is it is characterised in that described low-temperature heating control module, specifically for：
If the temperature adjustment signal receiving raises signal for temperature, obtain the current design temperature of described air-conditioner；
If described current design temperature is less than the second preset temperature, increase the design temperature of described air-conditioner；
If described current design temperature is equal to the second preset temperature, the design temperature of described air-conditioner is adjusted to first pre-
If temperature；
Wherein, described first preset temperature is the lower limit of described default temperature range, and described second preset temperature is described
The higher limit of default temperature range.
5. air-conditioner according to claim 1 it is characterised in that
Described interactive module, is additionally operable to, when described air-conditioner is in low-temperature heating pattern, to receive wind speed regulation control and send out
The wind speed Regulate signal sent sends to described low-temperature heating control module；
Described low-temperature heating control module, is additionally operable to after receiving described wind speed Regulate signal, by the interior of described air-conditioner
Rotation speed of fan is set to high wind pattern or apoplexy pattern.
6. air-conditioner according to claim 1 is it is characterised in that described low-temperature heating control module, specifically for：
Obtain difference ε of described design temperature ts and environment temperature t1；
If a≤ε≤b, control running frequency f=b/a*fmin of compressor；If during f=b/a*fmin >=1/2fmax, control
Running frequency f=fmax of described compressor；
If ε >=b, control running frequency f=fmax of described compressor；
If ε≤a, control running frequency f=fmin of described compressor；
Wherein, ε=ts-t1；A is the 3rd preset temperature, and b is the 4th preset temperature, and a >=0, b >=0；Fmin is for compressor
Little running frequency；Fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, and Fmax is
Maximum frequency of operation under conventional heating pattern for the compressor.
7. air-conditioner according to claim 1, it is characterised in that described low-temperature heating control module, is additionally operable to：
When the indoor temperature transmitter of described air-conditioner or indoor set coil temperature sensor break down, control described air-conditioning
Running frequency f=1/4fmax of the compressor of device, the indoor fan rotating speed controlling described air-conditioner is high wind pattern；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, and Fmax is pressure
Maximum frequency of operation under conventional heating pattern for the contracting machine.
8. air-conditioner according to claim 1, it is characterised in that described low-temperature heating control module, is additionally operable to：
When the running frequency of compressor described in preset time period is consistently less than the first predeterminated frequency, then control described air-conditioner
Execution oil return function, the running frequency simultaneously controlling the compressor of described air-conditioner is f=1/2fmax, controls described air-conditioner
Indoor and outdoor blower fan be high wind pattern, and control described air-conditioner electronic expansion valve opening be maximum；
Wherein, fmax is maximum frequency of operation under low-temperature heating pattern for the compressor, and fmax≤1/2Fmax, and Fmax is pressure
Maximum frequency of operation under conventional heating pattern for the contracting machine.
9. the air-conditioner according to any one of claim 1～8, it is characterised in that described low-temperature heating control module, is gone back
For：
When described air-conditioner is in low-temperature heating pattern, if receiving the other functions in addition to described low-temperature heating control signal
Control signal, controls described air-conditioner to exit described low-temperature heating pattern.
10. a kind of low-temperature heating control method of air-conditioner is it is characterised in that methods described includes：
When air-conditioner receives the low-temperature heating control signal of low-temperature heating control triggering, described air-conditioner is controlled to enter low temperature system
Heat pattern；
The design temperature of described air-conditioner is set to first and heats temperature, with the difference according to described design temperature and environment temperature
Value controls indoor fan and the off-premises station of described air-conditioner；
Wherein, described first heat temperature less than minimum predetermined temperature under conventional heating pattern for the described air-conditioner.
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| CN110243051A (en) * | 2019-06-21 | 2019-09-17 | 宁波奥克斯电气股份有限公司 | A kind of control method of low-temperature heating of variable frequency air conditioner, system and air-conditioning |
| CN113028573A (en) * | 2021-04-20 | 2021-06-25 | 宁波奥克斯电气股份有限公司 | Air conditioner low-temperature heating control method and device and air conditioner |
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| CN106403181B (en) | 2019-06-04 |
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