CN106403181B - A kind of air conditioner and its low-temperature heating control method - Google Patents
A kind of air conditioner and its low-temperature heating control method Download PDFInfo
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- CN106403181B CN106403181B CN201610836924.4A CN201610836924A CN106403181B CN 106403181 B CN106403181 B CN 106403181B CN 201610836924 A CN201610836924 A CN 201610836924A CN 106403181 B CN106403181 B CN 106403181B
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- temperature
- air conditioner
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- heating
- compressor
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Classifications
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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
Abstract
The present invention provides a kind of air conditioner and its low-temperature heating control method, the air conditioner includes: interactive module, low-temperature heating control module;The low-temperature heating control signal when for controlling signal in the low-temperature heating for receiving the triggering of low-temperature heating control, is sent to the low-temperature heating control module by the interactive module;The low-temperature heating control module, for after receiving the low-temperature heating control signal, it controls the air conditioner and enters low-temperature heating pattern, the first heating temperature is set by the set temperature of the air conditioner, to control the indoor fan and outdoor unit of the air conditioner according to the difference of the set temperature and environment temperature;Wherein, the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode.The present invention can make air conditioner set temperature reach the minimum predetermined temperature of conventional heating mode hereinafter, making user that can realize the demand to the output of room low-temperature heating according to demand.
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 methods.
Background technique
Air conditioner, that is, air regulator (air conditioner).Refer to manually means, to building/structures inner ring
The process that the parameters such as temperature, humidity, cleanliness, the speed of border air are adjusted and control.
Frequency conversion Split type air conditioner increasingly pursues the diversification, intelligence and differentiation of its function at present.Such as in Europe
With some more flourishing countries in North America, the winter of severe cold some terminal clients are in order to realize to temperature inside nobody long-term room
The reasonable control of degree, usually has 16 degree of temperature requirements below to room temperature, was unlikely to reach room internal temperature
It spends low and causes the damage to room interior trim, floor or furniture.But it generally can be under the conventional heating mode of domestic air conditioner
The temperature of setting is only 17 degree of -30 degree, cannot achieve the setting and control of the lower temperature lower than 17 degree.
Summary of the invention
In view of the drawbacks of the prior art, it the present invention provides a kind of air conditioner and its low-temperature heating control method, solves
The technical issues of heating mode of lower temperature operation can not be arranged in air conditioner in the prior art.
In a first aspect, the present invention provides a kind of air conditioners, comprising: interactive module, low-temperature heating control module;
The interactive module will be described when for controlling signal in the low-temperature heating for receiving the triggering of low-temperature heating control
Low-temperature heating control signal is sent to the low-temperature heating control module;
The low-temperature heating control module, for controlling the air-conditioning after receiving the low-temperature heating control signal
Device enters low-temperature heating pattern, sets the first heating temperature for the set temperature of the air conditioner, according to the setting temperature
The difference of degree and environment temperature controls the indoor fan and outdoor unit of the air conditioner;
Wherein, the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode.
Preferably, the interactive module is also used to that temperature will be received when the air conditioner is in low-temperature heating pattern
It adjusts the temperature adjustment signal that control is sent and is sent to the low-temperature heating control module;
The low-temperature heating control module is also used to after receiving the temperature adjustment signal, in preset temperature model
Enclose the interior set temperature for adjusting the air conditioner;
Wherein, it is minimum pre- under conventional heating mode to be less than the air conditioner for the upper limit value of the preset temperature range
If temperature.
Preferably, the low-temperature heating control module, is specifically used for:
If the temperature adjustment signal received is that temperature lowers signal, the current setting temperature of the air conditioner is obtained
Degree;
If the current set temperature is greater than the first preset temperature, reduce the set temperature of the air conditioner;
If the current set temperature is equal to the first preset temperature, the set temperature of the air conditioner is adjusted to the
Two preset temperatures;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is
The upper limit value of the preset temperature range.
Preferably, the low-temperature heating control module, is specifically used for:
If the temperature adjustment signal received is that temperature raises signal, the current setting temperature of the air conditioner is obtained
Degree;
If the current set temperature increases the set temperature of the air conditioner less than the second preset temperature;
If the current set temperature is equal to the second preset temperature, the set temperature of the air conditioner is adjusted to the
One preset temperature;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is
The upper limit value of the preset temperature range.
Preferably, the interactive module is also used to that wind speed will be received when the air conditioner is in low-temperature heating pattern
It adjusts the wind speed adjustment signal that control is sent and is sent to the low-temperature heating control module;
The low-temperature heating control module is also used to after receiving the wind speed adjustment signal, by the air conditioner
Indoor fan revolving speed is set as high wind mode or apoplexy mode.
Preferably, the low-temperature heating control module, is specifically used for:
Obtain the difference ε of the set temperature ts Yu environment temperature t1;
If a≤ε≤b, the running frequency f=b/a*fmin of compressor is controlled;If when f=b/a*fmin >=1/2fmax,
Control the running frequency f=fmax of the compressor;
If ε >=b, the running frequency f=fmax of the compressor is controlled;
If ε≤a, the running frequency f=fmin of the compressor is controlled;
Wherein, ε=ts-t1;A is third 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 of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax,
Fmax is maximum frequency of operation of the compressor under conventional heating mode.
Preferably, the low-temperature heating control module, is also used to:
When the indoor temperature transmitter or indoor unit coil temperature sensor of the air conditioner break down, described in control
The running frequency f=1/4fmax of the compressor of air conditioner, the indoor fan revolving speed for controlling the air conditioner is high wind mode;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation of the compressor under conventional heating mode.
Preferably, the low-temperature heating control module, is also used to:
When the running frequency of the compressor within a preset period of time is consistently less than the first predeterminated frequency, then the sky is controlled
Device is adjusted to execute oil return function, while the running frequency for controlling the compressor of the air conditioner is f=1/2fmax, controls the sky
The indoor and outdoor blower for adjusting device is high wind mode, and the electronic expansion valve opening for controlling the air conditioner is maximum;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation of the compressor under conventional heating mode.
Preferably, the low-temperature heating control module, is also used to:
When the air conditioner is in low-temperature heating pattern, if receiving other in addition to the low-temperature heating controls signal
Function control signal controls the air conditioner and exits the low-temperature heating pattern.
Second aspect, the present invention provides a kind of low-temperature heating control methods of air conditioner, which comprises
Air conditioner receive low-temperature heating control triggering low-temperature heating control signal when, control the air conditioner enter it is low
Warm heating mode;
The first heating temperature is set by the set temperature of the air conditioner, according to the set temperature and environment temperature
Difference control the indoor fan and outdoor unit of the air conditioner;
Wherein, the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode.
As shown from the above technical solution, the present invention provides a kind of air conditioner and its low-temperature heating control method, passes through interaction
Low-temperature heating control signal is sent to low-temperature heating control module by module;And low-temperature heating control module receive it is described low
After warm heating control signal, controls the air conditioner and enter low-temperature heating pattern, and the set temperature of the air conditioner is arranged
Temperature is heated for first, wherein the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode,
In this way, the present invention can be realized the heating mode of capabilities output, minimum predetermined temperature of the set temperature up to conventional heating mode
Degree is hereinafter, make user that can realize the demand to the output of room low-temperature heating according to demand.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these figures.
Fig. 1 is a kind of structural schematic diagram for air conditioner that one embodiment of the invention provides;
Fig. 2 is the schematic diagram of the remote control device for the air conditioner that one embodiment of the invention provides;
Fig. 3 be another embodiment of the present invention provides air conditioner remote control device display screen schematic diagram;
Fig. 4 is a kind of flow diagram of the low-temperature heating control method for air conditioner that one embodiment of the invention provides;
Fig. 5 be another embodiment of the present invention provides a kind of air conditioner low-temperature heating control method flow diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of one of one embodiment of the invention air conditioner, as shown in Figure 1, the air conditioner packet
It includes: interactive module 101, low-temperature heating control module 102.Wherein:
The interactive module 101, when for controlling signal in the low-temperature heating for receiving the triggering of low-temperature heating control, by institute
It states low-temperature heating control signal and is sent to the low-temperature heating control module 102.
The low-temperature heating control module 102, for controlling the sky after receiving the low-temperature heating control signal
It adjusts device to enter low-temperature heating pattern, the first heating temperature is set by the set temperature of the air conditioner, according to the setting
The difference of temperature and environment temperature controls the indoor fan and outdoor unit of the air conditioner.
Wherein, the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode.
For example, minimum predetermined temperature of the air conditioner under conventional heating mode is 17 DEG C, then low-temperature heating pattern is silent
Heating set temperature is recognized less than 17 DEG C, such as can be 6 DEG C -16 DEG C.
Specifically, the low-temperature heating control may be disposed on the remote control device or control panel of air conditioner.For example, such as
Fig. 2 and remote control device shown in Fig. 3 are provided in the display screen key zone 3 below the display screen 1 of remote control device for sending
Low-temperature heating controls the low-temperature heating key 2 of signal, i.e. " S-heat " key.As shown in figure 4, when user passes through triggering remote control dress
When setting " S-heat " and switching to low-temperature heating pattern by key control air conditioner, selection can be shown on the display screen 1 of remote control device
S-heat mode.
Specifically, after low-temperature heating control module 102 receives the low-temperature heating control signal, the air-conditioning is controlled
Device enters low-temperature heating pattern, i.e., sets the first heating temperature for the set temperature of the air conditioner, so that air conditioner is by ring
Border temperature is compared with the set temperature, the control instruction of indoor fan and outdoor unit is exported, so that environment temperature gradually connects
It is bordering on the set temperature.Understandably, outdoor unit mainly includes the workpieces such as compressor, outdoor fan, four-way valve.
It should be noted that if user is that first pass low-temperature heating control is believed to the transmission low-temperature heating of interactive module 101
Number, then the first heating temperature setting can be 16 DEG C by low-temperature heating control module 102 at this time;And if user is not that first pass is low
Temperature heating control sends low-temperature heating signal to interactive module 101, then low-temperature heating control module 102 can be by the first heating at this time
Temperature setting is the set temperature under last time low-temperature heating pattern, and running temperature is 11 when exiting low-temperature heating pattern such as last time
DEG C, then when booting runs low-temperature heating pattern again after shutting down, the temperature that air conditioner is initially shown is 11 DEG C.
It can be seen that low-temperature heating control signal is sent to low-temperature heating control by interactive module 101 by the present embodiment
Module 102;And low-temperature heating control module 102 is after receiving low-temperature heating control signal, control the air conditioner into
Enter low-temperature heating pattern, and set the first heating temperature for the set temperature of the air conditioner, wherein the first heating temperature is small
In minimum predetermined temperature of the air conditioner under conventional heating mode.In this way, the present embodiment can be realized capabilities output
Heating mode, set temperature up to conventional heating mode minimum predetermined temperature hereinafter, realize user can according to demand pair
The demand of room low-temperature heating output.
Further, in an alternate embodiment of the present invention where, the interactive module 101, is also used in the air-conditioning
When device is in low-temperature heating pattern, the temperature adjustment signal that temperature adjusting control is sent will be received and be sent to the low-temperature heating
Control module 102.
Correspondingly, the low-temperature heating control module 102 is also used to after receiving the temperature adjustment signal, pre-
If the set temperature of the air conditioner is adjusted within the temperature range of.
Wherein, it is minimum pre- under conventional heating mode to be less than the air conditioner for the upper limit value of the preset temperature range
If temperature.
For example, the preset temperature range can be 6 DEG C -16 DEG C.Certainly, it can will also preset in other embodiments
Temperature range be set as other upper limit values and lower limit value, only need to meet preset temperature range upper limit value be less than the sky
Minimum predetermined temperature of the device under conventional heating mode is adjusted, the present embodiment is without restriction to this.
In the present embodiment, temperature adjust control can be raised for the remote control device of air-conditioning or temperature on control panel key or
Temperature lowers key, then low-temperature heating pattern and conventional heating mode can share temperature up-regulation key and temperature lowers key.
In the present embodiment, the low-temperature heating control module is specifically used for:
If the temperature adjustment signal received is that temperature lowers signal, the current setting temperature of the air conditioner is obtained
Degree;
If the current set temperature is greater than the first preset temperature, reduce the set temperature of the air conditioner;
If the current set temperature is equal to the first preset temperature, the set temperature of the air conditioner is adjusted to the
Two preset temperatures;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is
The upper limit value of the preset temperature range.
For example, when preset 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 set temperature is greater than 6 DEG C, for example 16 DEG C, then reduces the setting of air conditioner
Temperature is to 15 DEG C;In this way, lowering signal according to the temperature received can be sequentially reduced to 6 DEG C;After set temperature is decreased to 6 DEG C,
If receiving temperature again lowers signal, the set temperature of air conditioner is no longer reduced at this time, and air conditioner set temperature is set
16 DEG C are set to, repeatedly.
In the present embodiment, the low-temperature heating control module is specifically used for:
If the temperature adjustment signal received is that temperature raises signal, the current setting temperature of the air conditioner is obtained
Degree;
If the current set temperature increases the set temperature of the air conditioner less than the second preset temperature;
If the current set temperature is equal to the second preset temperature, the set temperature of the air conditioner is adjusted to the
One preset temperature;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is
The upper limit value of the preset temperature range.
For example, when preset 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 up-regulation signal and current set temperature less than 16 DEG C, for example 6 DEG C, then increase the setting of air conditioner
Temperature is to 7 DEG C;In this way, can be sequentially increased according to the temperature up-regulation signal received to 16 DEG C;After set temperature increases to 16 DEG C,
If receiving temperature up-regulation signal again, no longer increase the set temperature of air conditioner at this time, and air conditioner set temperature is set
6 DEG C are set to, repeatedly.
In the present embodiment, under low-temperature heating pattern, if air conditioner receives temperature adjustment signal, in preset temperature
The set temperature of the air conditioner is adjusted in range.In this way, realizing the heating mould that air conditioner is arranged in lower temperature operation
Formula, and meet user and the temperature of low-temperature heating is adjusted.
Further, in an alternate embodiment of the present invention where, the interactive module 101, is also used in the air-conditioning
When device is in low-temperature heating pattern, the wind speed adjustment signal that wind speed adjusting control is sent will be received and be sent to the low-temperature heating
Control module 102.
Correspondingly, the low-temperature heating control module 102 is also used to after receiving the wind speed adjustment signal, by institute
The indoor fan revolving speed for stating air conditioner is set as high wind mode or apoplexy mode.
Specifically, wind speed adjusts control and can press for the wind speed adjusting being arranged on the remote control device or control panel of air conditioner
Key.When low-temperature heating control module 102 receives wind speed adjustment signal, determine current indoor unit rotation speed of fan for high wind still
Apoplexy then sets apoplexy mode for the indoor fan revolving speed of the air conditioner if high wind mode;If apoplexy mode, then
High wind mode is set by the indoor fan revolving speed of the air conditioner.It can be seen that the wind speed in the present embodiment can only select height
Wind mode or apoplexy mode.
Under conventional heating mode, indoor fan revolving speed may be configured as high wind, apoplexy, low wind or mute isotype, and
Under low-temperature heating pattern, since heating temperature is inherently relatively low, opening indoor fan at this time is high wind or apoplexy, convenient for heating
Temperature Quick diffusing ensure that being heated evenly for temperature field into environment, so that heating mode is more efficient.
It should be noted that under low-temperature heating pattern, the control of outdoor fan revolving speed and wind outdoor under conventional heating mode
Machine revolving speed control logic is identical, i.e., automatically selects high, medium and low notch speed according to outdoor environment temperature.
In addition, under low-temperature heating pattern, can be closed anti-since low-temperature heating pattern is usually opened in unmanned environment
Cold wind function and the protection of anti-cold wind.
Specifically, in an alternate embodiment of the present invention where, the low-temperature heating control module 102, is specifically used for:
Obtain the difference ε of the set temperature ts Yu environment temperature t1;
If a≤ε≤b, the running frequency f=b/a*fmin of compressor is controlled;If when f=b/a*fmin >=1/2fmax,
Control the running frequency f=fmax of the compressor;
If ε >=b, the running frequency f=fmax of the compressor is controlled;
If ε≤a, the running frequency f=fmin of the compressor is controlled;
Wherein, ε=ts-t1;A is third 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 of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax,
Fmax is maximum frequency of operation of the compressor under conventional heating mode.
It should be noted that air conditioner maintains operation preset time period, after 30min, Da Wen as ε=ts-t1≤0
It shuts down.If ε=ts-t1 >=0 then determines again within a preset period of time (such as in 30min), no longer shut down up to temperature.
Further, the low-temperature heating control module 102, is also used to:
When the indoor temperature transmitter or indoor unit coil temperature sensor of the air conditioner break down, described in control
The running frequency f=1/4fmax of the compressor of air conditioner, the indoor fan revolving speed for controlling the air conditioner is high wind mode;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation of the compressor under conventional heating mode.
Specifically, in the present embodiment, under low-temperature heating pattern, if indoor temperature transmitter and indoor unit coil temperature
It after short circuit or open circuit fault occur for sensor, can operate with failure, control the running frequency f=1/4fmax of compressor at this time,
And indoor fan revolving speed is high wind mode.
It should be noted that for the air conditioner for having electric expansion valve, under low-temperature heating pattern, electric expansion valve
Control logic is identical as conventional heating mode, is generally controlled according to the degree of superheat or delivery temperature.
Further, in an alternate embodiment of the present invention where, the low-temperature heating control module 102, is also used to:
When the running frequency of the compressor within a preset period of time is consistently less than the first predeterminated frequency, then the sky is controlled
Device is adjusted to execute oil return function, while the running frequency for controlling the compressor of the air conditioner is f=1/2fmax, controls the sky
The indoor and outdoor blower for adjusting device is high wind mode, and the electronic expansion valve opening for controlling the air conditioner is maximum;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation of the compressor under conventional heating mode.
For example, when compressor continuously runs 35HZ frequency below, and lasting 90min, then air conditioner executes primary
Oil return function, when executing oil return function, the frequency f=1/2fmax of compressor;Indoor and outdoor blower is high wind, and electric expansion valve is opened
Degree is maximum.
In the present embodiment, the low frequency oil return function under low-temperature heating pattern is realized, so that oil return flow velocity is accelerated, is guaranteed
Lubricating oil rapidly returns back to compressor.
Further, under low-temperature heating pattern, each frequency limit, stoppage protection are effective, identical with conventional heating mode.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 preset threshold, the running frequency of the compressor is reduced to predeterminated frequency;When the delivery temperature of the compressor
When greater than the second preset threshold, controls the compressor and close, wherein the second preset threshold is greater than the first preset threshold.In this way,
Frequency limit and stoppage protection are used to compressor, excessive discharge temperature is prevented and compressor is damaged.
Further, in an alternate embodiment of the present invention where, the low-temperature heating control module 102, is also used to:
When the air conditioner is in low-temperature heating pattern, if receiving other in addition to the low-temperature heating controls signal
Function control signal controls the air conditioner and exits the low-temperature heating pattern.
Specifically, when user selects the corresponding other function key of other keys by remote control device or control panel
When, low-temperature heating pattern is cancelled automatically.For example, when receiving the other functions such as shutdown command, mode tuning instruction control signal,
Air conditioner exits low-temperature heating pattern.
Fig. 4 is the flow diagram of the low-temperature heating control method of one of one embodiment of the invention air conditioner, such as Fig. 4
Shown, described method includes following steps:
S401: when air conditioner receives the low-temperature heating control signal of low-temperature heating control triggering, the air conditioner is controlled
Into low-temperature heating pattern.
S402: the first heating temperature is set by the set temperature of the air conditioner, according to the set temperature and ring
The difference of border temperature controls the indoor fan and outdoor unit of the air conditioner.
Wherein, the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode.
It can be seen that air conditioner controls the air-conditioning after receiving the low-temperature heating control signal in the present embodiment
Device enters low-temperature heating pattern, and sets the first heating temperature for the set temperature of the air conditioner, wherein the first heating temperature
Degree is less than minimum predetermined temperature of the air conditioner under conventional heating mode.In this way, to can be realized capabilities defeated for the present embodiment
Heating mode out, set temperature up to conventional heating mode minimum predetermined temperature hereinafter, making user real according to demand
Now to the demand of room low-temperature heating output.
Further, in an alternate embodiment of the present invention where, as shown in figure 5, after step S402, the method is also
Include the following steps:
S403: the air conditioner is after receiving temperature and adjusting the temperature adjustment signal that control is sent, in preset temperature
The set temperature of the air conditioner is adjusted in range.
Wherein, it is minimum pre- under conventional heating mode to be less than the air conditioner for the upper limit value of the preset temperature range
If temperature.
In the present embodiment, above-mentioned steps S403 includes following sub-step:
S4031: it if the temperature adjustment signal received is that temperature lowers signal, obtains the current of the air conditioner and sets
Determine temperature;
S4032: if the current set temperature is greater than the first preset temperature, reduce the setting temperature of the air conditioner
Degree;
S4033: if the current set temperature is equal to the first preset temperature, by the set temperature tune of the air conditioner
It saves to the second preset temperature;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is
The upper limit value of the preset temperature range.
In the present embodiment, above-mentioned steps S403 includes following sub-step:
S4031 ': if the temperature adjustment signal received is that temperature raises signal, the current of the air conditioner is obtained
Set temperature;
S4032 ': if the current set temperature increases the setting temperature of the air conditioner less than the second preset temperature
Degree;
S4033 ': if the current set temperature is equal to the second preset temperature, by the set temperature of the air conditioner
It is adjusted to the first preset temperature;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is
The upper limit value of the preset temperature range.
In the present embodiment, under low-temperature heating pattern, if air conditioner receives temperature adjustment signal, in preset temperature
The set temperature of the air conditioner is adjusted in range.In this way, realizing the heating mould that air conditioner is arranged in lower temperature operation
Formula, and meet user and the temperature of low-temperature heating is adjusted.
In an alternate embodiment of the present invention where, after step S402, the method also includes following steps:
Air conditioner is after receiving wind speed and adjusting the wind speed adjustment signal that control is sent, by the indoor fan of the air conditioner
Revolving speed is set as high wind mode or apoplexy mode.
In the present embodiment, wind speed adjusts control and can adjust for the wind speed being arranged on the remote control device or control panel of air conditioner
Key.Then when receiving wind speed adjustment signal, current indoor unit rotation speed of fan is determined for high wind or apoplexy, if Gao Fengmo
Formula then sets apoplexy mode for the indoor fan revolving speed of the air conditioner;If apoplexy mode, then by the room of the air conditioner
Inner blower revolving speed is set as high wind mode.It can be seen that the wind speed in the present embodiment can only select high wind mode or apoplexy mode.
In an alternate embodiment of the present invention where, the step S402, specifically includes:
Obtain the difference ε of the set temperature ts Yu environment temperature t1;
If a≤ε≤b, the running frequency f=b/a*fmin of compressor is controlled;If when f=b/a*fmin >=1/2fmax,
Control the running frequency f=fmax of the compressor;
If ε >=b, the running frequency f=fmax of the compressor is controlled;
If ε≤a, the running frequency f=fmin of the compressor is controlled;
Wherein, ε=ts-t1;A is third 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 of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax,
Fmax is maximum frequency of operation of the compressor under conventional heating mode.
It should be noted that air conditioner maintains operation preset time period, after 30min, Da Wen as ε=ts-t1≤0
It shuts down.If ε=ts-t1 >=0 then determines again within a preset period of time (such as in 30min), no longer shut down up to temperature.
Further, in an alternate embodiment of the present invention where, the method also includes following steps:
When the indoor temperature transmitter or indoor unit coil temperature sensor of the air conditioner break down, described in control
The running frequency f=1/4fmax of the compressor of air conditioner, the indoor fan revolving speed for controlling the air conditioner is high wind mode;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation of the compressor under conventional heating mode.
Specifically, in the present embodiment, under low-temperature heating pattern, if indoor temperature transmitter and indoor unit coil temperature
It after short circuit or open circuit fault occur for sensor, can operate with failure, control the running frequency f=1/4fmax of compressor at this time,
And indoor fan revolving speed is high wind mode.
Further, in an alternate embodiment of the present invention where, the method also includes following steps:
When the running frequency of the compressor within a preset period of time is consistently less than the first predeterminated frequency, then the sky is controlled
Device is adjusted to execute oil return function, while the running frequency for controlling the compressor of the air conditioner is f=1/2fmax, controls the sky
The indoor and outdoor blower for adjusting device is high wind mode, and the electronic expansion valve opening for controlling the air conditioner is maximum;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax
For maximum frequency of operation of the compressor under conventional heating mode.
In an alternate embodiment of the present invention where, after step S402, described method includes following steps:
When the air conditioner is in low-temperature heating pattern, if receiving other in addition to the low-temperature heating controls signal
Function control signal controls the air conditioner and exits the low-temperature heating pattern.
For embodiment of the method, since it is substantially similar to Installation practice, so be described relatively simple, it is related
Place illustrates referring to the part of Installation practice.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be fixed connection or may be dismantle connection, or integral connection;It can be mechanical connection, be also possible to be electrically connected
It connects;It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of air conditioner characterized by comprising interactive module, low-temperature heating control module;
The interactive module, when for controlling signal in the low-temperature heating for receiving the triggering of low-temperature heating control, by the low temperature
Heating control signal is sent to the low-temperature heating control module;
The low-temperature heating control module, for after receiving low-temperature heating control signal, control the air conditioner into
Enter low-temperature heating pattern, set the first heating temperature for the set temperature of the air conditioner, with according to the set temperature with
The difference of environment temperature controls the indoor fan and outdoor unit of the air conditioner, comprising: obtains the set temperature ts and environment
The difference ε of temperature t1;If a≤ε≤b, the running frequency f=b/a*fmin of compressor is controlled;If f=b/a*fmin >=1/
When 2fmax, the running frequency f=fmax of the compressor is controlled;If ε >=b, the running frequency f=of the compressor is controlled
fmax;If ε≤a, the running frequency f=fmin of the compressor is controlled;
Wherein, the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode;ε=ts-
t1;A is third preset temperature, and b is the 4th preset temperature, and a >=0, b >=0;Fmin is compressor minimum running frequency;fmax
For maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax are compressor in conventional heating
Maximum frequency of operation under mode.
2. air conditioner according to claim 1, which is characterized in that
The interactive module is also used to when the air conditioner is in low-temperature heating pattern, will be received temperature and is adjusted control hair
The temperature adjustment signal sent is sent to the low-temperature heating control module;
The low-temperature heating control module is also used to after receiving the temperature adjustment signal, within the scope of default temperature
Adjust the set temperature of the air conditioner;
Wherein, the upper limit value of the preset temperature range is less than minimum predetermined temperature of the air conditioner under conventional heating mode
Degree.
3. air conditioner according to claim 2, which is characterized in that the low-temperature heating control module is specifically used for:
If the temperature adjustment signal received is that temperature lowers signal, the current set temperature of the air conditioner is obtained;
If the current set temperature is greater than the first preset temperature, reduce the set temperature of the air conditioner;
If the current set temperature is equal to the first preset temperature, it is pre- that the set temperature of the air conditioner is adjusted to second
If temperature;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is described
The upper limit value of preset temperature range.
4. air conditioner according to claim 2, which is characterized in that the low-temperature heating control module is specifically used for:
If the temperature adjustment signal received is that temperature raises signal, the current set temperature of the air conditioner is obtained;
If the current set temperature increases the set temperature of the air conditioner less than the second preset temperature;
If the current set temperature is equal to the second preset temperature, it is pre- that the set temperature of the air conditioner is adjusted to first
If temperature;
Wherein, first preset temperature is the lower limit value of the preset temperature range, and second preset temperature is described
The upper limit value of preset temperature range.
5. air conditioner according to claim 1, which is characterized in that
The interactive module is also used to when the air conditioner is in low-temperature heating pattern, will be received wind speed and is adjusted control hair
The wind speed adjustment signal sent is sent to the low-temperature heating control module;
The low-temperature heating control module is also used to after receiving the wind speed adjustment signal, by the interior of the air conditioner
Rotation speed of fan is set as high wind mode or apoplexy mode.
6. air conditioner according to claim 1, which is characterized in that the low-temperature heating control module is also used to:
When the indoor temperature transmitter or indoor unit coil temperature sensor of the air conditioner break down, the air-conditioning is controlled
The running frequency f=1/4fmax of the compressor of device, the indoor fan revolving speed for controlling the air conditioner is high wind mode;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax are pressure
Maximum frequency of operation of the contracting machine under conventional heating mode.
7. air conditioner according to claim 1, which is characterized in that the low-temperature heating control module is also used to:
When the running frequency of the compressor within a preset period of time is consistently less than the first predeterminated frequency, then the air conditioner is controlled
Oil return function is executed, while the running frequency for controlling the compressor of the air conditioner is f=1/2fmax, controls the air conditioner
Indoor and outdoor blower be high wind mode, and the electronic expansion valve opening for controlling the air conditioner is maximum;
Wherein, fmax is maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax are pressure
Maximum frequency of operation of the contracting machine under conventional heating mode.
8. air conditioner according to any one of claims 1 to 7, which is characterized in that the low-temperature heating control module, also
For:
When the air conditioner is in low-temperature heating pattern, if receiving the other function in addition to the low-temperature heating controls signal
Signal is controlled, the air conditioner is controlled and exits the low-temperature heating pattern.
9. a kind of low-temperature heating control method of air conditioner, which is characterized in that the described method includes:
When air conditioner receives the low-temperature heating control signal of low-temperature heating control triggering, controls the air conditioner and enter low temperature system
Heat pattern;
The first heating temperature is set by the set temperature of the air conditioner, according to the difference of the set temperature and environment temperature
Value controls the indoor fan and outdoor unit of the air conditioner, comprising: obtains the difference of the set temperature ts and environment temperature t1
ε;If a≤ε≤b, the running frequency f=b/a*fmin of compressor is controlled;If when f=b/a*fmin >=1/2fmax, controlling institute
State the running frequency f=fmax of compressor;If ε >=b, the running frequency f=fmax of the compressor is controlled;If ε≤a, control
The running frequency f=fmin of the compressor;
Wherein, the first heating temperature is less than minimum predetermined temperature of the air conditioner under conventional heating mode;ε=ts-
t1;A is third preset temperature, and b is the 4th preset temperature, and a >=0, b >=0;Fmin is compressor minimum running frequency;fmax
For maximum frequency of operation of the compressor under low-temperature heating pattern, and fmax≤1/2Fmax, Fmax are compressor in conventional heating
Maximum frequency of operation under mode.
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CN107588513B (en) * | 2017-09-15 | 2020-01-07 | 广东美的暖通设备有限公司 | Air conditioning system, control method and control device of air conditioning system |
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 |
CN113028573B (en) * | 2021-04-20 | 2022-07-05 | 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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