CN109373530A - The control method of air conditioner - Google Patents
The control method of air conditioner Download PDFInfo
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- CN109373530A CN109373530A CN201811155912.0A CN201811155912A CN109373530A CN 109373530 A CN109373530 A CN 109373530A CN 201811155912 A CN201811155912 A CN 201811155912A CN 109373530 A CN109373530 A CN 109373530A
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- air conditioner
- temperature
- control method
- breeze fan
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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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air-conditioning technical fields, and in particular to a kind of control method of air conditioner.Present invention seek to address that existing energy consumption is high when existing air conditioner uses electric heater auxiliary heating, problem of comfort difference.For this purpose, the control method of air conditioner of the invention includes: in a heating mode, to obtain indoor environment temperature and set temperature；Compare the size of indoor environment temperature and the first temperature threshold, and/or compares the difference of set temperature and indoor environment temperature and the size of preset difference value；According to comparison result, the wind speed of breeze fan and/or the aperture of restricting element are selectively adjusted.Pass through above-mentioned control mode, the present invention is capable of opening times and the time of strict control electric heater of air conditioner, for technology at this stage, air conditioner can less opening electric heater auxiliary heating, guarantee the electricity cost that user is reduced while user's comfort.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to a kind of control method of air conditioner.
Background technique
Air conditioner is the equipment that can be indoor refrigerating/heating, for example, in cold winter, air conditioner can pass through system
The mode of hot sending wind increases room temperature, to make one to feel comfortable.
For quick, the powerful heating for realizing air-conditioning, user experience is promoted, existing air conditioner is typically provided with electric heating
Device, in heating process, when indoor environment temperature is lower than set temperature, direct opening electric heater auxiliary air conditioner is carried out
Heating；When room temperature reaches set temperature, electric heater is closed.Although air conditioner indoor unit uses electric heater auxiliary heating
It may be implemented quickly to heat, but there is also some disadvantages.Firstly, the Energy Efficiency Ratio of the electric heater of air-conditioning is very poor, it is general only free
The one third of the thermal efficiency is modulated to a quarter, which results in the energy consumption of air-conditioning when opening electric heater is higher, invisible
Improve the electric cost of user.Secondly as temperature is very high when electric heater is opened, 100 DEG C or so can be reached, this causes
The wind of air-conditioning blowout is very dry, causes indoor humidity to reduce, has seriously affected comfort and user experience.
Correspondingly, this field needs a kind of control method of new air-conditioning to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, electric heater auxiliary heating is used in order to solve existing air conditioner
When existing energy consumption is high, problem of comfort difference, the present invention provides a kind of control method of air conditioner, the air conditioner includes
Breeze fan, restricting element and electric heater, which is characterized in that the control method of the air conditioner includes:
In a heating mode, indoor environment temperature and set temperature are obtained；
Compare the size of the indoor environment temperature and the first temperature threshold, and/or the set temperature with
The difference of the indoor environment temperature and the size of preset difference value；
According to comparison result, the wind speed of the breeze fan and/or the aperture of the restricting element are selectively adjusted.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " according to comparison result, selectively described in adjustment
The step of aperture of the wind speed of breeze fan and/or the restricting element ", further comprises:
It is less than first temperature threshold and/or the set temperature and indoor ring in the indoor environment temperature
When the difference of border temperature is greater than the preset difference value, the wind speed of the breeze fan is obtained；
When the wind speed is non-highest wind velocity, the wind speed for adjusting the breeze fan is highest wind velocity, otherwise, controls institute
It states breeze fan and keeps highest wind velocity operation.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the control method further include:
When the breeze fan is run with highest wind velocity, the leaving air temp of the air conditioner is obtained；
Compare the size of the leaving air temp Yu second temperature threshold value；
According to comparison result, the aperture of the restricting element is selectively adjusted.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " according to comparison result, selectively described in adjustment
The step of aperture of restricting element ", further comprises:
When the leaving air temp is less than the second temperature threshold value, the aperture of the restricting element is obtained；
When the aperture of the restricting element is less than maximum setting aperture, controls the restricting element and increase aperture and continue
Otherwise preset time controls the electric heater starting.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the control method further include:
The indoor environment temperature be greater than or equal to first temperature threshold and/or the set temperature with
When the difference of indoor environment temperature is less than or equal to the preset difference value, controls the air conditioner and maintain current operating conditions；Or
Person
When the leaving air temp is greater than or equal to the second temperature threshold value, controls the air conditioner and maintain current operation
State.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " according to comparison result, selectively described in adjustment
The step of aperture of the wind speed of breeze fan and/or the restricting element ", further comprises:
It is less than first temperature threshold and/or the set temperature and indoor ring in the indoor environment temperature
When the difference of border temperature is greater than the preset difference value, the leaving air temp of the air conditioner is further obtained；
Compare the size of the leaving air temp Yu second temperature threshold value；
According to comparison result, the wind speed of the breeze fan and/or the aperture of the restricting element are selectively adjusted.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " according to comparison result, selectively described in adjustment
The step of aperture of the wind speed of breeze fan and/or the restricting element ", further comprises:
When the leaving air temp is less than the second temperature threshold value, the wind speed of the breeze fan and/or described is obtained
The aperture of restricting element；
Judge the breeze fan wind speed whether be highest wind velocity and/or the restricting element aperture whether
Aperture is set greater than maximum；
According to judging result, selectively control the breeze fan is run and/or is controlled the section with highest wind velocity
Fluid element increases aperture.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " according to judging result, selectively described in control
The restricting element of being run and/or controlled with highest wind velocity of breeze fan increases aperture " the step of further comprise:
When the wind speed is non-highest wind velocity, the wind speed for adjusting the breeze fan is highest wind velocity；And/or
When the aperture of the restricting element is less than maximum setting aperture, controls the restricting element and increase aperture and continue
Preset time.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " according to judging result, selectively described in control
The restricting element that run and/or controlled with highest wind velocity of breeze fan increases aperture " the step of further include:
It is greater than or equal to maximum setting in the wind speed for the aperture of highest wind velocity and/or the restricting element to open
When spending, controls the electric heater and open.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the control method further include:
The indoor environment temperature be greater than or equal to first temperature threshold and/or the set temperature with
When the difference of indoor environment temperature is less than or equal to the preset difference value, controls the air conditioner and maintain current operating conditions；Or
Person
When the leaving air temp is greater than or equal to the second temperature threshold value, controls the air conditioner and maintain current operation
State.
It will be appreciated to those of skill in the art that air conditioner includes air-supply wind in the preferred technical solution of the present invention
Machine, restricting element and electric heater, which is characterized in that the control method of air conditioner includes: in a heating mode, to obtain indoor ring
Border temperature and set temperature；Compare the size of indoor environment temperature and the first temperature threshold, and/or compare set temperature with
The difference of indoor environment temperature and the size of preset difference value；According to comparison result, selectively adjust breeze fan wind speed and/
Or the aperture of restricting element.
By obtaining indoor environment temperature and set temperature, then according to indoor environment temperature and the first temperature threshold, set
Determine the difference of temperature and indoor environment temperature and the comparison result of preset difference value, controls the wind speed and/or throttling member of breeze fan
The aperture of part is capable of opening times and the time of strict control electric heater of air conditioner, for technology at this stage, air conditioner
Can less opening electric heater auxiliary heating, guarantee the electricity cost that user is reduced while user's comfort.It is specific and
Speech, environment temperature is greater than pre- less than the first temperature threshold and/or set temperature and the difference of indoor environment temperature indoors
If when difference, it was demonstrated that at this time indoor environment temperature it is too low and apart from set temperature farther out, need at this time quick, powerful heating come
Quickly improve the temperature of indoor environment.At this point, breeze fan is not with highest wind velocity operation and restricting element is not up to maximum and sets
When determining aperture, control breeze fan improves wind speed, and/or control restricting element increases aperture, can not significantly improve
Under the premise of even not improving energy consumption, air output and heat transfer effect are quickly improved, promotes indoor environment temperature rapidly.Also, by
Non- opening electric heater during this, therefore can also ensure that room air will not become very dry, it ensure that relaxing for user
Adaptive.
That is, the present invention increase breeze fan air output and/or restricting element aperture by way of, instead of
The auxiliary heating of electric heater makes electric heater lack unlatching or be not turned on, and solves auxiliary using electric heater in the prior art
Existing energy consumption is high when helping heating, problem of comfort difference, and method of the invention and is not added with any component, only in sky
Control can be realized on the basis of adjusting device original, therefore be suitable for that large-scale promotion uses.
Detailed description of the invention
With reference to the accompanying drawings and to describe the control method of air conditioner of the invention.In attached drawing:
Fig. 1 is the flow chart of the control method of air conditioner of the invention；
Fig. 2 is the logic chart of the control method of air conditioner of the invention.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.Although for example,
Environment temperature is greater than less than the difference of the first temperature threshold and set temperature and indoor environment temperature indoors in present embodiment
It when preset difference value, is introduced the step of controlling the aperture of electric expansion valve again in conjunction with the wind speed for first controlling breeze fan,
But this control sequence is non-unalterable, those skilled in the art can be adjusted it, as long as the adjustment can meet
Do not open or open less the purpose of electric heater.For example, can also first adjust electronics under conditions of equally meeting above-mentioned relation
The aperture of expansion valve, then the wind speed of breeze fan is adjusted, or adjust the aperture of electric expansion valve and the wind of breeze fan simultaneously
Speed etc..
With reference first to Fig. 1, the control method of air conditioner of the invention is illustrated.Wherein, Fig. 1 is air-conditioning of the invention
The flow chart of the control method of device.
As shown in Figure 1, to solve, existing energy consumption is high when existing air conditioner utilizes electric heater auxiliary heating, comfort is poor
The problem of, the present invention provides a kind of control method of air conditioner, air conditioner includes that breeze fan, electric expansion valve (throttle
Element) and electric heater, control method mainly include the following steps:
S100, in a heating mode obtains indoor environment temperature and set temperature, such as in a heating mode, by setting
It sets temperature sensor or temperature and humidity integrative sensor on air conditioner etc. and obtains indoor environment temperature, after acquisition, air-conditioning
The control module of device receives the indoor environment temperature, and set temperature can then be directly read by control module, or in user
If the timing receipt set temperature；Certainly, the acquisition modes of indoor environment temperature and set temperature are not unique, art technology
Personnel can be adjusted it, as long as which can get indoor environment temperature and set temperature.In addition, above-mentioned
Control module can be dedicated for executing the controller of method of the invention, be also possible to a function of general purpose controller
Module or functional unit.
S200, the size for comparing indoor environment temperature and the first temperature threshold and set temperature and indoor environment temperature
Difference and preset difference value size, for example, after getting indoor environment temperature and set temperature, control module is by indoor ring
Border temperature is compared with preset first temperature threshold, and calculate after the difference of set temperature and indoor environment temperature again with
Preset difference value is compared.Wherein, the first temperature threshold and preset difference value can be the threshold value being preset in air conditioner when factory,
Or the threshold value of user's self-setting.Such as the first temperature threshold can be 10 DEG C, 15 DEG C, preset difference value can for 3 DEG C,
5 DEG C etc..Certain first temperature threshold and preset difference value obviously may be any other reasonable numerical value, this should not constituted pair
The limitation of the method for the present invention.
S300, according to comparison result, selectively adjust the wind speed of breeze fan and/or the aperture of electric expansion valve, example
Such as, environment temperature is less than the first temperature threshold indoors, and set temperature and the difference of indoor environment temperature are greater than preset difference value
When, control breeze fan improves wind speed and increases the aperture of electric expansion valve, so that air output and heat transfer effect greatly promote,
To equally achieve the effect that quickly to heat under conditions of being not turned on electric heater and carrying out heating auxiliary.Certainly, air-supply is improved
The wind speed of blower and the two kinds of control modes of aperture for increasing electric expansion valve can also only carry out one kind, equally can be in certain journey
Electric heater is replaced quickly to be heated on degree.
It can be seen from the above description that by obtaining indoor environment temperature and set temperature, then according to indoor environment
The comparison result of temperature and the first temperature threshold, the difference of set temperature and indoor environment temperature and preset difference value, control air-supply
The wind speed of blower and/or the aperture of electric expansion valve, the present invention are capable of opening times and the time of strict control electric heater, phase
For technology at this stage, air conditioner can avoid opening electric heater auxiliary heating less or completely, guarantee that user is relaxed
The electricity cost of user is reduced while adaptive.That is, the present invention is swollen by the air output and electronics for increasing breeze fan
The mode of the aperture of swollen valve makes electric heater lack unlatching or be not turned on, solves existing instead of the auxiliary heating of electric heater
Existing energy consumption is high when using electric heater auxiliary heating in technology, problem of comfort difference, and method of the invention is not
Any component is added, control only can be realized on the basis of air conditioner is original, therefore is suitable for that large-scale promotion uses.
In a kind of more preferred embodiment, step S300 may further include again:
Environment temperature is greater than or equal to the difference of the first temperature threshold and/or set temperature and indoor environment temperature indoors
When less than or equal to preset difference value, it was demonstrated that the heating effect of air conditioner is enough at this time, therefore does not have to change operating status, maintains to work as
Preceding operating status.Environment temperature is big less than the difference of the first temperature threshold and set temperature and indoor environment temperature indoors
When preset difference value, the wind speed of breeze fan is obtained；Breeze fan wind speed be non-highest wind velocity when, control breeze fan with
Highest wind velocity operation, otherwise, control breeze fan keep highest wind velocity operation.Environment temperature is less than the first temperature threshold indoors
And set temperature and the difference of indoor environment temperature are when being greater than preset difference value, it was demonstrated that room temperature is too low at this time and indoor environment temperature
Degree is differed with preset temperature to need to carry out quick, powerful heating farther out, to improve the comfort level of user.At this time if air-supply
Blower not running is then controlled breeze fan and is run with highest wind velocity in highest wind velocity, the raising of wind speed, so that air output increases greatly
Add, thus the indoor temperature of fast lifting.And when breeze fan has been in highest wind velocity, then keep highest wind velocity to run.
Either breeze fan keeps the wind velocity lift wind speed of highest wind velocity operation or control breeze fan to highest wind
Speed operation, the control method of air conditioner further include: the leaving air temp for obtaining air conditioner compares leaving air temp and second temperature threshold value
Size；According to comparison result, the aperture of electric expansion valve is selectively adjusted.Wherein, second temperature threshold value can be factory
When preset temperature value, or the customized temperature value of user, such as second temperature threshold value can be 20 DEG C or 25 DEG C.?
When breeze fan is run with highest wind velocity, the leaving air temp of air conditioner is obtained, such as by the way that the temperature sensing at air outlet is arranged in
Device etc. obtains leaving air temp, and the temperature is compared with second temperature threshold value, when leaving air temp is greater than second temperature threshold value
When, it was demonstrated that it is able to satisfy the demand of user quickly heated with current operating status, controls air conditioner at this time and maintains current fortune
Row state, not bring additional electric cost while obtaining good comfort.When leaving air temp is less than the second temperature
When spending threshold value, although then proving that breeze fan has reached highest wind velocity, can't meet use with current operating status
The demand quickly heated at family needs further to control air conditioner, to improve heating capacity and heat exchange efficiency.At this point,
The aperture for obtaining electric expansion valve, when the aperture of electric expansion valve is less than maximum setting aperture, it was demonstrated that there are also continue for air conditioner
The space of heating effect is improved, electric expansion valve is controlled at this time and increases aperture, and continue preset time, to increase the stream of refrigerant
Amount, to increase heat exchange amount, promotes the comfort level of user.Wherein, maximum setting aperture can be opened for the maximum of electric expansion valve
Degree, or electric expansion valve preset aperture when allowing open maximum opening in heating, can certainly be to dispatch from the factory
Deng；Preset time can be 1min, 2min, 5min etc., and specific value can be adjusted based on specific application scenarios.?
When the aperture of electric expansion valve has been above maximum setting aperture, it was demonstrated that can not continue to improve heating effect at this time, have no alternative but
Electric heater can only be opened and carry out auxiliary heating.Therefore, electric heater is opened at this time and carry out auxiliary heating, quickly to improve interior
Environment temperature.
It should be noted that electric expansion valve during opening, can disposably increase to maximum setting aperture, when
It so can also increase preset aperture every time, such as increase the 5% or 10% of current aperture every time and continue preset time.And it is beating
After opening preset aperture and continuing preset time, the size for continuing to judge air outlet temperature Yu second temperature threshold value can be returned,
And the aperture of electric expansion valve is further adjusted according to judging result, it is opened until remaining current after meeting the requirement quickly heated
Degree, or reach and meet opening electric heater when quickly heating requires yet after maximum setting aperture and carry out auxiliary heating.
As can be seen that control breeze fan improves by under conditions of meeting opening electric heater progress auxiliary heating
Wind speed and control electric expansion valve increase aperture, and the present invention is capable of the opening time of strict control electric heater and is opened secondary
Number, for technology at this stage, makes the less unlatching electric heating of air-conditioning, not only using electricity wisely cost, but also return user
More comfortable experience is brought, the situation for carrying out the drying of room air caused by auxiliary heating using electric heater is avoided to go out
It is existing.And under the conditions of must not be not turned on electrically heated, by by the air rate adjustment of breeze fan to highest wind velocity and by electronics
The aperture of expansion valve is adjusted to maximum opening, can be reduced as far as the opening time of electric heater, further be saved electricity consumption
Cost improves the usage experience of user.The control mode for adjusting breeze fan and electronic expansion valve opening simultaneously, then can be quick
Air output and heating effect are improved, the efficiency quickly heated is improved.
It should be noted that above-mentioned preferred embodiment is only intended to illustrate the principle of the present invention, it is not intended that in limit
Protection scope of the present invention processed, under conditions of without departing from the principle of the invention, those skilled in the art can to the above method into
Row adjustment, so that it can adapt to more specifical application scenarios.
For example, obtaining leaving air temp in a kind of interchangeable embodiment and comparing leaving air temp and second temperature threshold
The step of value size can prior to control breeze fan wind speed and/or electric expansion valve aperture the step of execute.For example,
Indoor environment temperature is less than the first temperature threshold, and when set temperature and the difference of indoor environment temperature are greater than preset difference value,
The leaving air temp of air conditioner can be first obtained, and compare the size of leaving air temp Yu second temperature threshold value；Then according to compare knot
Fruit selectively adjusts the wind speed of breeze fan and/or the aperture of electric expansion valve.Wherein, it is selectively adjusted according to comparison result
The wind speed of whole breeze fan and/or the aperture of electric expansion valve are same or like with above-mentioned preferred embodiment, no longer superfluous herein
It states.
By first comparing the size of leaving air temp Yu second temperature threshold value, further according to the wind of comparison result adjustment breeze fan
The aperture of speed and/or electric expansion valve, can further save the energy, avoid energy waste.Specifically, first comparing wind-warm syndrome
The size of degree and second temperature threshold value maintains current operating conditions constant, compares when leaving air temp is greater than second temperature threshold value
For the first embodiment, it is convenient to omit the step of improving the wind speed of breeze fan, so that comparison result is more accurate, section
About electric cost.And when leaving air temp is less than or equal to second temperature threshold value, wind speed and/or the electronics for controlling breeze fan are swollen
The aperture of swollen valve then can be heated more quickly, and users'comfort is promoted.
For another example, in another alternatively embodiment, the wind speed of breeze fan and the aperture of electric expansion valve are controlled
It can only selection one of them be controlled, naturally it is also possible to control simultaneously, as long as the control mode can be such that air conditioner reduces
Auxiliary heating is carried out using electric heater.
For another example, although the restricting element combination electric expansion valve in present embodiment is introduced, restricting element
Form it is not unique, as long as it can be implemented control restricting element.For example, restricting element can also be solenoid valve
Deng.
Referring to Fig. 2, a kind of workflow of air conditioner using the method for the present invention is introduced.Wherein, Fig. 2 is
The logic chart of the control method of air conditioner of the invention.
As shown in Fig. 2, in a kind of possible embodiment, air conditioner is switched on heating operation, obtains room in operational process
Interior environment temperature TaiWith set temperature Tset, then compare indoor environment temperature TaiWith the first temperature threshold T1Size and set
Determine temperature TsetWith indoor environment temperature TaiDifference and preset difference value △ t size.Do not meet T simultaneously in comparison resultai< T1
And Tset-TaiWhen the condition of > △ t, air conditioner maintains current operating conditions operation.Meet T at the same timeai< T1And Tset-Tai>
When the condition of △ t, whether detection breeze fan is operated with highest wind velocity.When breeze fan has been in highest wind velocity operating,
Then continue the leaving air temp T of acquisition air conditionerc；When breeze fan is not in highest wind velocity operating, then breeze fan tune is controlled
Leaving air temp T is obtained after the whole gear to highest wind velocity againc.When breeze fan is operated with highest wind velocity, leaving air temp T is judgedc
With second temperature threshold value T2Difference, if Tc> T2, then assert and current operation state kept to be able to satisfy the need that user quickly heats
It asks, therefore continues to keep current operating status.If Tc≤T2, then continue the aperture P of rear-guard electric expansion valve, and judge electronics
Whether expansion valve opening P is less than maximum setting aperture P1If P < P1, then control electric expansion valve increase Current electronic expansion valve and open
Degree 10% and after running 5min, return continues to judge Tc> T2It is whether true, if the T judged againc> T2It sets up, then keeps
Otherwise current operation state continues growing the aperture P of electric expansion valve, until the aperture of electric expansion valve is greater than or equal to maximum
Set aperture P1.T when if the aperture of electric expansion valve is greater than or equal to maximum setting aperturec> T2It does not set up yet, then opens electricity and add
Hot device, assisted air conditioner are heated.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of control method of air conditioner, the air conditioner include breeze fan, restricting element and electric heater, feature exists
In the control method of the air conditioner includes:
In a heating mode, indoor environment temperature and set temperature are obtained；
Compare the size of the indoor environment temperature and the first temperature threshold, and/or the set temperature with it is described
The difference of indoor environment temperature and the size of preset difference value；
According to comparison result, the wind speed of the breeze fan and/or the aperture of the restricting element are selectively adjusted.
2. the control method of air conditioner according to claim 1, which is characterized in that " according to comparison result, selectively adjust
The step of wind speed of the whole breeze fan and/or aperture of the restricting element ", further comprises:
It is less than first temperature threshold and/or the set temperature and indoor environment temperature in the indoor environment temperature
When the difference of degree is greater than the preset difference value, the wind speed of the breeze fan is obtained；
When the wind speed is non-highest wind velocity, the wind speed for adjusting the breeze fan is otherwise highest wind velocity is sent described in control
Wind blower keeps highest wind velocity operation.
3. the control method of air conditioner according to claim 2, which is characterized in that the control method further include:
When the breeze fan is run with highest wind velocity, the leaving air temp of the air conditioner is obtained；
Compare the size of the leaving air temp Yu second temperature threshold value；
According to comparison result, the aperture of the restricting element is selectively adjusted.
4. the control method of air conditioner according to claim 3, which is characterized in that " according to comparison result, selectively adjust
The step of aperture of the whole restricting element ", further comprises:
When the leaving air temp is less than the second temperature threshold value, the aperture of the restricting element is obtained；
When the aperture of the restricting element is less than maximum setting aperture, controls the restricting element and increase aperture and persistently preset
Otherwise time controls the electric heater starting.
5. the control method of air conditioner according to claim 3, which is characterized in that the control method further include:
It is greater than or equal to first temperature threshold and/or the set temperature and interior in the indoor environment temperature
When the difference of environment temperature is less than or equal to the preset difference value, controls the air conditioner and maintain current operating conditions；Or
When the leaving air temp is greater than or equal to the second temperature threshold value, controls the air conditioner and maintain current operation shape
State.
6. the control method of air conditioner according to claim 1, which is characterized in that " according to comparison result, selectively adjust
The step of wind speed of the whole breeze fan and/or aperture of the restricting element ", further comprises:
It is less than first temperature threshold and/or the set temperature and indoor environment temperature in the indoor environment temperature
When the difference of degree is greater than the preset difference value, the leaving air temp of the air conditioner is further obtained；
Compare the size of the leaving air temp Yu second temperature threshold value；
According to comparison result, the wind speed of the breeze fan and/or the aperture of the restricting element are selectively adjusted.
7. the control method of air conditioner according to claim 6, which is characterized in that " according to comparison result, selectively adjust
The step of wind speed of the whole breeze fan and/or aperture of the restricting element ", further comprises:
The leaving air temp be less than the second temperature threshold value when, obtain the breeze fan wind speed and/or the throttling
The aperture of element；
Whether the wind speed for judging the breeze fan is whether the aperture of highest wind velocity and/or the restricting element is greater than
Maximum setting aperture；
According to judging result, selectively control the breeze fan is run and/or is controlled the throttling member with highest wind velocity
Part increases aperture.
8. the control method of air conditioner according to claim 7, which is characterized in that " according to judging result, selectively control
The restricting element of being run and/or controlled with highest wind velocity for making the breeze fan increases aperture " the step of further comprise:
When the wind speed is non-highest wind velocity, the wind speed for adjusting the breeze fan is highest wind velocity；And/or
When the aperture of the restricting element is less than maximum setting aperture, controls the restricting element and increase aperture and persistently preset
Time.
9. the control method of air conditioner according to claim 7, which is characterized in that " according to judging result, selectively control
The restricting element that run and/or controlled with highest wind velocity for making the breeze fan increases aperture " the step of further include:
When the wind speed is greater than or equal to maximum setting aperture for the aperture of highest wind velocity and/or the restricting element,
The electric heater is controlled to open.
10. the control method of air conditioner according to claim 6, which is characterized in that the control method further include:
It is greater than or equal to first temperature threshold and/or the set temperature and interior in the indoor environment temperature
When the difference of environment temperature is less than or equal to the preset difference value, controls the air conditioner and maintain current operating conditions；Or
When the leaving air temp is greater than or equal to the second temperature threshold value, controls the air conditioner and maintain current operation shape
State.
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Application publication date: 20190222 |