CN104566820B - Air conditioner and control method and device thereof - Google Patents

Air conditioner and control method and device thereof Download PDF

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Publication number
CN104566820B
CN104566820B CN201410836872.1A CN201410836872A CN104566820B CN 104566820 B CN104566820 B CN 104566820B CN 201410836872 A CN201410836872 A CN 201410836872A CN 104566820 B CN104566820 B CN 104566820B
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China
Prior art keywords
temperature
target
preset
preset time
air conditioner
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CN201410836872.1A
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CN104566820A (en
Inventor
姚鸿海
张龙爱
王传华
李桂强
谷月明
曾凡卓
宋鹏
王晓红
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201410836872.1A priority Critical patent/CN104566820B/en
Publication of CN104566820A publication Critical patent/CN104566820A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41Defrosting; Preventing freezing

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The embodiment of the invention discloses an air conditioner and a control method and device thereof. The control method of the air conditioner comprises the following steps: detecting the ambient temperature of the air conditioner; determining a target temperature range of the environment temperature, and acquiring target first preset time and target first preset temperature corresponding to the target temperature range; continuously acquiring a target temperature on the air conditioner within a target first preset time, wherein the target temperature at least comprises a plurality of temperatures detected from outdoor unit fins of the air conditioner; judging whether the minimum value in the target temperature is less than or equal to a target first preset temperature or not; and controlling the air conditioner to defrost under the condition that the minimum value in the target temperature is judged to be less than or equal to the target first preset temperature. According to the invention, the problem that the defrosting control mode of the air conditioner is inaccurate in the prior art is solved, the reduction of the unit capacity and the operation reliability caused by incomplete defrosting or no defrosting is avoided, and the effect of improving the defrosting accuracy of the air conditioner is achieved.

Description

Air conditioner and its control method and device
Technical field
The present invention relates to air-conditioner field, in particular to a kind of air conditioner and its control method and device.
Background technology
The conventional defrost control mode of air-cooled cold (heat) water dispenser group include timing defrost method, the time~temperature defrost method, Three kinds of leeway defrost method is passed in and out, it uses single time, temperature, pressure differential or both to be combined as unit to enter defrost Condition, can not carry out accurately defrost again in temperature, differential pressure pickup failure, easily cause defrost unclean or frostless The result of defrost, causes unit capacity and operational reliability to decline, makes unit cause energy consumption larger in winter longtime running, heat Effect does not reach design unit optimum state yet.
For air conditioner in the prior art defrosting control mode it is inaccurate the problem of, effective solve not yet is proposed at present Scheme.
The content of the invention
It is a primary object of the present invention to provide a kind of air conditioner and its control method and device, to solve in the prior art The problem of defrosting control mode of air conditioner is inaccurate.
To achieve these goals, there is provided a kind of controlling party of air conditioner for one side according to embodiments of the present invention Method.
Included according to the control method of the air conditioner of the present invention:Detect the environment temperature residing for the air conditioner;Determine institute The target temperature range residing for environment temperature is stated, and obtains the corresponding preset time of target first of the target temperature range and mesh The first preset temperature is marked, wherein, multiple temperature ranges that are stored with the air conditioner and distinguish one by one with each temperature range Corresponding first preset time and the first preset temperature;Continuously acquired in the preset time of target first on the air conditioner Target temperature, wherein, the target temperature at least includes multiple temperature for being detected from the outdoor unit fin of the air conditioner Degree;Judge whether the minimum value in the target temperature is less than or equal to the preset temperature of target first;And judging In the case that minimum value in the target temperature is less than or equal to the preset temperature of target first, the air conditioner is controlled Frost.
Further, continuously acquiring the target temperature on the air conditioner in the preset time of target first includes: The first temperature of the outdoor unit fin first position is continuously detected in the preset time of target first, and is continuously detected The second temperature of the outdoor unit fin second place;And determine that the collection of first temperature and the second temperature is combined into The target temperature.
Further, the outdoor unit fin first position is continuously being detected in the preset time of target first First temperature, and before continuously detecting the second temperature of the outdoor unit fin second place, the control method also includes: Obtain the corresponding preset time of target second of the target temperature range, wherein, be also stored with the air conditioner with each Temperature range distinguishes corresponding second preset time one by one;And judge whether the continuous working period of the air conditioner reaches institute The preset time of target second is stated, wherein, judging that the continuous working period reaches the feelings of the preset time of target second Under condition, first temperature is continuously detected in the preset time of target first, and continuously detect the second temperature.
Further, it is determined that the target temperature range residing for the environment temperature includes:Compare the environment temperature and the The size of two preset temperatures and the 3rd preset temperature;The environment temperature is being compared more than or equal to second preset temperature In the case of, determine the target temperature range for the first temperature range [a ,+∞), wherein, a be second preset temperature; The environment temperature is being compared more than or equal to the 3rd preset temperature, and less than the situation of second preset temperature Under, determine the target temperature range for second temperature scope [b, a), wherein, b be the 3rd preset temperature;And than Relatively go out the environment temperature less than in the case of the 3rd preset temperature, determining that the target temperature range is the 3rd temperature model Enclose (- ∞, b).
Further, first temperature range [a ,+∞) corresponding first preset time, the second temperature model Enclose [b, a) corresponding first preset time and the 3rd temperature range (- ∞, b) corresponding first preset time It is equal.
Further, continuously acquiring the target temperature on the air conditioner in the preset time of target first includes: The first temperature of the outdoor unit fin first position is continuously detected in the preset time of target first, and is continuously detected The second temperature of the outdoor unit fin second place;The air conditioner is continuously detected in the preset time of target first System low-voltage pressure, and obtain the corresponding saturation temperature of the system low-voltage pressure;And determine first temperature, it is described The collection of second temperature and the saturation temperature is combined into the target temperature.
Further, it is determined that the target temperature range residing for the environment temperature includes:Compare the environment temperature and the The size of two preset temperatures and the 3rd preset temperature;The environment temperature is being compared more than or equal to second preset temperature In the case of, determine the target temperature range for the first temperature range [a ,+∞), wherein, a be second preset temperature; The environment temperature is being compared more than or equal to the 3rd preset temperature, and less than the situation of second preset temperature Under, determine the target temperature range for second temperature scope [b, a), wherein, b be the 3rd preset temperature;And than Relatively go out the environment temperature less than in the case of the 3rd preset temperature, determining that the target temperature range is the 3rd temperature model Enclose (- ∞, b).
Further, [b, a) corresponding first preset time is less than first temperature for the second temperature scope Scope [a ,+∞) corresponding first preset time, and more than the 3rd temperature range (- ∞, b) corresponding described the One preset time.
To achieve these goals, there is provided a kind of control of air conditioner dress for another aspect according to embodiments of the present invention Put.
Included according to the control device of the air conditioner of the present invention:Detection unit, for detecting the ring residing for the air conditioner Border temperature;Processing unit, for determining the target temperature range residing for the environment temperature, and obtains the target temperature range The corresponding preset time of target first and target first preset temperature, wherein, be stored with multiple temperature models in the air conditioner Enclose and distinguish corresponding first preset time and the first preset temperature one by one with each temperature range;First acquisition unit, is used for The target temperature on the air conditioner is continuously acquired in the preset time of target first, wherein, the target temperature is at least Including the multiple temperature detected from the outdoor unit fin of the air conditioner;First judging unit, for judging the target Whether the minimum value in temperature is less than or equal to the preset temperature of target first;And control unit, for judging The minimum value in target temperature is stated less than or equal in the case of the preset temperature of target first, the air conditioner is controlled Frost.
Further, the first acquisition unit includes:First detection module, in the preset time of target first The first temperature of the outdoor unit fin first position is inside continuously detected, and continuously detects the outdoor unit fin second place The second temperature at place;And first determining module, for determining that it is described that the collection of first temperature and the second temperature is combined into Target temperature.
Further, the control device also includes:Second acquisition unit, in the first detection module described The first temperature of the outdoor unit fin first position is continuously detected in the preset time of target first, and continuously detects the room Before the second temperature of the outer machine fin second place, the corresponding preset time of target second of the target temperature range is obtained, Wherein, also it is stored with the air conditioner and distinguishes corresponding second preset time one by one with each temperature range;And second Judging unit, for judging whether the continuous working period of the air conditioner reaches the preset time of target second, wherein, In the case that second judging unit judges that the continuous working period reaches the preset time of target second, described One detection module continuously detects first temperature in the preset time of target first, and continuously detects second temperature Degree.
Further, the processing unit includes:First comparison module, presets for comparing the environment temperature with second The size of temperature and the 3rd preset temperature;First determining module, for comparing the environment temperature more than or equal to described In the case of second preset temperature, determine the target temperature range for the first temperature range [a ,+∞), wherein, a is described the Two preset temperatures;Second determining module, for comparing the environment temperature more than or equal to the 3rd preset temperature, and And less than in the case of second preset temperature, determine the target temperature range for second temperature scope [b, a), wherein, b For the 3rd preset temperature;And the 3rd determining module, for being preset less than the described 3rd comparing the environment temperature In the case of temperature, determine the target temperature range for the 3rd temperature range (- ∞, b).
Further, first temperature range [a ,+∞) corresponding first preset time, the second temperature model Enclose [b, a) corresponding first preset time and the 3rd temperature range (- ∞, b) corresponding first preset time It is equal.
Further, the first acquisition unit includes:Second detection module, in the preset time of target first The first temperature of the outdoor unit fin first position is inside continuously detected, and continuously detects the outdoor unit fin second place The second temperature at place;Processing module, for continuously detecting that the system of the air conditioner is low in the preset time of target first Pressure pressure, and obtain the corresponding saturation temperature of the system low-voltage pressure;And second determining module, for determining described first The collection of temperature, the second temperature and the saturation temperature is combined into the target temperature.
Further, the processing unit includes:Second comparison module, presets for comparing the environment temperature with second The size of temperature and the 3rd preset temperature;4th determining module, for comparing the environment temperature more than or equal to described In the case of second preset temperature, determine the target temperature range for the first temperature range [a ,+∞), wherein, a is described the Two preset temperatures;5th determining module, for comparing the environment temperature more than or equal to the 3rd preset temperature, and And less than in the case of second preset temperature, determine the target temperature range for second temperature scope [b, a), wherein, b For the 3rd preset temperature;And the 6th determining module, for being preset less than the described 3rd comparing the environment temperature In the case of temperature, determine the target temperature range for the 3rd temperature range (- ∞, b).
Further, [b, a) corresponding first preset time is less than first temperature for the second temperature scope Scope [a ,+∞) corresponding first preset time, and more than the 3rd temperature range (- ∞, b) corresponding described the One preset time.
To achieve these goals, there is provided a kind of air conditioner for another aspect according to embodiments of the present invention.
Include the control device for any air conditioner that the above is provided according to the air conditioner of the present invention.
According to inventive embodiments, using the environment temperature detected residing for the air conditioner;Determine residing for the environment temperature Target temperature range, and obtain the default temperature of the corresponding preset time of target first of the target temperature range and target first Degree, wherein, multiple temperature ranges that are stored with the air conditioner and distinguish corresponding first pre- one by one with each temperature range If time and the first preset temperature;The target temperature on the air conditioner is continuously acquired in the preset time of target first, Wherein, the target temperature at least includes the multiple temperature detected from the outdoor unit fin of the air conditioner;Judge described Whether the minimum value in target temperature is less than or equal to the preset temperature of target first;And judging the target temperature In minimum value be less than or equal to the preset temperature of target first in the case of, control the air conditioner defrost.By to sky Multiple temperature on device are adjusted to be detected that the benchmark judged by the use of the minimum temperature in multiple temperature as defrost is realized Carry out temperature detection a sensor break down in the case of, the temperature that can also be detected by the use of other sensors as Defrost whether judgment standard, it is to avoid in the prior art can not carry out accurate defrost again in temperature, differential pressure pickup failure The drawbacks of, solve air conditioner in the prior art defrosting control mode it is inaccurate the problem of, and then avoid defrost unclean or Unit capacity and operational reliability caused by the frostless defrost of person decline, and have reached the effect for improving air conditioner defrost precision. And energy expenditure of the unit under winter longtime running can be reduced, the heating effect of unit is improved.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the control method of air conditioner according to embodiments of the present invention;
Fig. 2 is the fundamental diagram of the control method of air conditioner according to embodiments of the present invention;And
Fig. 3 is the schematic diagram of the control device of air conditioner according to embodiments of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model that the present invention is protected Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product Or the intrinsic other steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention there is provided a kind of embodiment of the method that can be used for implementing the application device embodiment, It should be noted that the step of the flow of accompanying drawing is illustrated can such as one group computer executable instructions department of computer science Performed in system, and, although logical order is shown in flow charts, but in some cases, can be with different from herein Order perform shown or described step.
There is provided a kind of control method of air conditioner according to embodiments of the present invention.Fig. 1 is sky according to embodiments of the present invention The flow chart of the control method of device is adjusted, as shown in figure 1, this method includes steps S102 to step S110:
S102:Detect the environment temperature residing for air conditioner.
S104:The target temperature range residing for environment temperature is determined, and obtains the corresponding target first of target temperature range Preset time and the preset temperature of target first, wherein, multiple temperature ranges that are stored with air conditioner and with each temperature range Corresponding first preset time and the first preset temperature are distinguished one by one.Specifically, can be according to being difficult frosting, easy frosting and severe In the case of three kinds of environment temperature, three temperature ranges are marked off, each temperature range corresponds to first preset time and the One preset temperature.In embodiments of the present invention, above-mentioned environment temperature institute can be determined according to the environment temperature specifically detected The temperature range at place, the temperature range as target temperature range according to residing for the environment temperature detected in step S102 should Corresponding first preset time of target temperature range is the preset time of target first, and the target temperature range corresponding first is preset Temperature is the preset temperature of target first.
S106:The target temperature on air conditioner is continuously acquired in the preset time of target first, wherein, target temperature is at least Including the multiple temperature detected from the outdoor unit fin of air conditioner, it is, continuously being obtained in the preset time of target first The multiple temperature detected on the outdoor unit fin of air conditioner are taken, the set of above-mentioned multiple temperature compositions obtains target temperature.
S108:Judge whether the minimum value in target temperature is less than or equal to the preset temperature of target first, i.e. comparison object Minimum temperature and the size of the preset temperature of target first in temperature.
S110:In the case where the minimum value in judging target temperature is less than or equal to the preset temperature of target first, control Air conditioner defrost processed.
In embodiments of the present invention, by being detected to multiple temperature on air conditioner, using in multiple temperature most The benchmark that low temperature judges as defrost, is realized in the case where a sensor for carrying out temperature detection breaks down, also The temperature that can be detected by the use of other sensors is used as defrost whether judgment standard, it is to avoid in the prior art temperature, The drawbacks of can not carrying out accurate defrost again during differential pressure pickup failure, solves the defrosting control mode of air conditioner in the prior art The problem of inaccurate, so avoid defrost unclean or frostless defrost caused by unit capacity and operational reliability decline, The effect for improving air conditioner defrost precision is reached.And energy expenditure of the unit under winter longtime running can be reduced, Improve the heating effect of unit.
Specifically, it can be realized by step 1-1 to step 1-2 in the preset time of target first to the mesh on air conditioner Continuously acquiring for temperature is marked, step 1-1 is specific as follows to step 1-2:
Step 1-1:First temperature of continuous detection outdoor unit fin first position in the preset time of target first, and The second temperature of the continuous detection outdoor unit fin second place, can obtain multiple first temperature and multiple second temperatures, its In, outdoor unit fin first position and the diverse location that the outdoor unit fin second place is outdoor unit fin, first position It can be set according to demand with the second place.Specifically, can be by being set in outdoor unit fin first position and the second place Different sensor detects the first temperature and second temperature, in embodiments of the present invention, and the sensor for carrying out temperature detection can be with It is temperature temperature-sensitive bag.
Step 1-2:Determine that the collection of the first temperature and second temperature is combined into target temperature, i.e. above-mentioned multiple first temperature and The set of multiple second temperature compositions, obtains target temperature.
In embodiments of the present invention, by detecting the temperature and outdoor unit fin second of outdoor unit fin first position The temperature at place is put, when any sensor breaks down in two sensors of detection first position and second place temperature When, the temperature that can also be detected according to the sensor of another normal work and the size of the preset temperature of target first are closed Whether system, control air conditioner carries out defrost, has further reached the effect for improving air conditioner defrost precision.
Specifically, in the first temperature of the continuous detection outdoor unit fin first position in the preset time of target first, And continuously before the second temperature of the detection outdoor unit fin second place, the control for the air conditioner that the embodiment of the present invention is provided Method also includes:Obtain the corresponding preset time of target second of target temperature range, wherein, be also stored with air conditioner with often Individual temperature range distinguishes corresponding second preset time one by one, that is, each temperature range corresponds to two preset times, point It is not the first preset time and the second preset time;When judging whether the continuous working period of air conditioner reaches that target second is preset Between, wherein, in the case where judging that the continuous working period reaches the preset time of target second, in the preset time of target first The first temperature of continuous detection, and second temperature is continuously detected, that is, after air conditioner has continuously run the second preset time, The first temperature and multiple outdoor unit fins second of multiple outdoor unit fin first positions are continuously acquired in first preset time Second temperature at position.
Specifically, when target temperature is made up of multiple first temperature and multiple second temperatures, step 2-1 can be passed through The target temperature range residing for environment temperature is determined to step 2-4, step 2-1 is specific as follows to step 2-4:
Step 2-1:Compare environment temperature and the size of the second preset temperature and the 3rd preset temperature.
Step 2-2:Environment temperature is being compared more than or equal in the case of the second preset temperature, target temperature model is determined Enclose for the first temperature range [a ,+∞), wherein, a be the second preset temperature.Specifically, the first temperature range [a ,+∞) in ring Temperature corresponding running environment in border is the environment for being difficult frosting.This step is it is, if it is judged that the environment temperature detected >=a, illustrate above-mentioned environment temperature be located at the first temperature range [a ,+∞) in, so air conditioner is transported in the environment for be difficult frosting OK, now, the first temperature range [a ,+∞) namely target temperature range.In embodiments of the present invention, the second preset temperature a Can be 5 DEG C, then, the first temperature range [a ,+∞) namely the first temperature range [5 ,+∞), the first temperature range [5 ,+ ∞) corresponding second preset time is 100min, and corresponding first preset temperature is 0 DEG C.
Step 2-3:Environment temperature is being compared more than or equal to the 3rd preset temperature, and less than the second preset temperature In the case of, determine target temperature range for second temperature scope [b, a), wherein, b be the 3rd preset temperature.Specifically, the second temperature Spend scope [b, a) in the corresponding running environment of environment temperature be easy frosting environment.This step is it is, if it is judged that inspection The environment temperature measured and the relation of the second preset temperature and the 3rd preset temperature are b≤environment temperature<A, illustrates above-mentioned environment Temperature be located at second temperature scope [b, a) in, so air conditioner is run in the environment of easy frosting, now, second temperature scope [b, a) namely target temperature range.In embodiments of the present invention, the second preset temperature a can be 5 DEG C, the 3rd preset temperature b Can be -5 DEG C, then, second temperature scope [b, a) namely second temperature scope [- 5 DEG C, 5 DEG C), second temperature scope [- 5 DEG C, 5 DEG C) corresponding second preset time is 60min, corresponding first preset temperature is (- 5 DEG C of environment temperature) obtained temperature Value.
Step 2-4:Environment temperature is being compared less than in the case of the 3rd preset temperature, determining that target temperature range is the Three temperature ranges (- ∞, b).Specifically, the 3rd temperature range (- ∞, b) in the corresponding running environment of environment temperature be severe Environment.This step is it is, if it is judged that the environment temperature detected<B, illustrates that above-mentioned environment temperature is located at the 3rd temperature model Enclose (- ∞, b) in, so air conditioner is run in adverse circumstances, now, the 3rd temperature range (- ∞, b) namely target temperature Scope.In embodiments of the present invention, the 3rd preset temperature b can be -5 DEG C, then, and the 3rd temperature range (- ∞, b) namely 3rd temperature range (- ∞, -5 DEG C), corresponding second preset time of the 3rd temperature range (- ∞, -5 DEG C) is 50min, corresponding First preset temperature is the temperature value that (- 5 DEG C of environment temperature) is obtained.
In embodiments of the present invention, by setting multiple temperature ranges, and different temperatures scope control air conditioner defrost Condition it is different so that when environment temperature is in any temperature range in above-mentioned multiple temperature ranges, can meet corresponding During defrost condition so that timely air conditioner defrost, accuracy and the reliability for improving that defrost judges are reached, user has been met to sky Adjusting system energy-conservation, safe and reliable, comfortable requirement.
Specifically, the first temperature range [a ,+∞) corresponding first preset time, second temperature scope [b, it is a) corresponding (- ∞, b) corresponding first preset time is equal for first preset time and the 3rd temperature range.In embodiments of the present invention, often Planting the duration of corresponding first preset time of temperature range can be set according to demand.For example:The duration of first preset time can With all for 2min.
Specifically, it can also be realized by step 1-3 to step 1-5 in the preset time of target first on air conditioner Target temperature is continuously acquired, and step 1-3 is specific as follows to step 1-5:
Step 1-3:First temperature of continuous detection outdoor unit fin first position in the preset time of target first, and The second temperature of the continuous detection outdoor unit fin second place.The step is identical with step 1-1, and explanation is not repeated herein.
Step 1-4:The system low-voltage pressure of continuous detection air conditioner in the preset time of target first, and it is low to obtain system The corresponding saturation temperature of pressure pressure.Specifically, can be by setting low pressure sensor continuously to be examined in the preset time of target first The system low-voltage pressure of air conditioner is surveyed, so as to obtain multiple saturation temperatures corresponding with system low-voltage pressure.
Step 1-5:Determine that the collection of the first temperature, second temperature and saturation temperature is combined into target temperature, i.e. multiple first temperature Degree, the set of multiple second temperatures and multiple second saturation temperatures collectively constitute target temperature.
Specifically, can when target temperature is made up of multiple first temperature, multiple second temperatures and multiple saturation temperatures To determine the target temperature range residing for environment temperature to step 2-8 by step 2-5, step 2-5 to step 2-8 is specific such as Under:
Step 2-5:Compare environment temperature and the size of the second preset temperature and the 3rd preset temperature, the step is with step 2- 1 is not repeated.
Step 2-6:Environment temperature is being compared more than or equal in the case of the second preset temperature, target temperature model is determined Enclose for the first temperature range [a ,+∞), wherein, a is the second preset temperature, and the step is not repeated with step 2-2. In embodiments of the present invention, the second preset temperature a can be 5 DEG C, then, and the first temperature range [a ,+∞) the namely first temperature Spend scope [5 ,+∞), the first temperature range [5 ,+∞) corresponding first preset temperature be 0 DEG C.
Step 2-7:Environment temperature is being compared more than or equal to the 3rd preset temperature, and less than the second preset temperature In the case of, determine target temperature range for second temperature scope [b, a), wherein, b be the 3rd preset temperature, the same step of the step 2-3 is not repeated.In embodiments of the present invention, the second preset temperature a can be 5 DEG C, and the 3rd preset temperature b can be with - 5 DEG C, then, second temperature scope [b, a) namely second temperature scope [- 5 DEG C, 5 DEG C), second temperature scope [- 5 DEG C, 5 DEG C) corresponding first preset temperature is (- 5 DEG C of environment temperature) obtained temperature value.
Step 2-8:Environment temperature is being compared less than in the case of the 3rd preset temperature, determining that target temperature range is the (- ∞, b), the step are not repeated three temperature ranges with step 2-4.In embodiments of the present invention, the 3rd default temperature It can be -5 DEG C to spend b, then, the 3rd temperature range (- ∞, b) namely the 3rd temperature range (- ∞, -5 DEG C), the 3rd temperature model It is the temperature value that (- 5 DEG C of environment temperature) is obtained to enclose (- ∞, -5 DEG C) corresponding first preset temperature.
Specifically, second temperature scope [b, a) corresponding first preset time be less than the first temperature range [a ,+∞) correspondence The first preset time, and more than the 3rd temperature range (- ∞, b) corresponding first preset time, it is, the first temperature Scope [a ,+∞) corresponding first preset time be more than second temperature scope [b, a) corresponding first preset time, second temperature [b, a) corresponding first preset time is more than the 3rd temperature range (- ∞, b) corresponding first preset time for scope.Likewise, The duration of the corresponding preset time of above-mentioned each temperature range can also be set according to demand.For example:First temperature range [a, + ∞) corresponding first preset time when a length of 10min, second temperature scope [b, a) corresponding first preset time duration For 8min, the 3rd temperature range (- ∞, b) corresponding first preset time when a length of 5min.
Fig. 2 is the fundamental diagram of the control method of air conditioner according to embodiments of the present invention.As shown in Fig. 2 of the invention The control method for the air conditioner that embodiment is provided includes two detection schemes, be respectively two temperature-sensitive bags simultaneously detection scheme and Two temperature-sensitive bags and a low pressure sensor detection scheme, wherein, detection scheme is referred to as detection scheme one to two temperature-sensitive bags simultaneously, Two temperature-sensitive bags and a low pressure sensor detection scheme are referred to as detection scheme two, and two detection schemes are done specifically individually below Introduce.
Detection scheme one is detect first position on the outdoor unit fin of air conditioner respectively by two temperature-sensitive bags The second temperature of the second place in one temperature and outdoor unit fin, which specific temperature-sensitive bag detects the temperature of first position, The temperature of which temperature-sensitive bag detection second place can arbitrarily be set according to demand.Due to only detecting the first temperature and the second temperature Degree, so target temperature is combined into by the collection of the first temperature and second temperature.Specifically, being also in detection scheme one can be to air-conditioning Environment temperature residing for device is detected that the temperature range according to residing for the environment temperature detected specifically includes following steps:
S202:Work as TEnvironment>=a, complete machine, which is operated in, to be difficult in frosting environment, and run time reaches that t1, continuous 2min are detected Min(T1、T2)≤TIf 1.This step is specifically, as the T detectedEnvironmentDuring >=a, illustrate TEnvironmentIn the first temperature range [a ,+∞) In, now air conditioner is run in the environment for be difficult frosting, after the time that air conditioner is continuously run reaches t1, in continuous 2min It is interior that first temperature of first position and the second temperature of the second place are detected, detect multiple first temperature and Minimum temperature in multiple second temperatures less than above-mentioned first temperature range [a ,+∞) preset temperature TIf 1When, perform step S208, that is, control air conditioner defrost.Wherein, TEnvironmentEnvironment temperature residing for the air conditioner that detects, T1For the first temperature Degree, T2For second temperature, t1 be the first temperature range [a ,+∞) the second preset time, 2min be the first temperature range [a ,+ The first preset time ∞), TIf 1For the first temperature range [a ,+∞) the first preset temperature.Likewise, the first temperature range [a ,+∞) the first preset time, the duration of the second preset time and the first preset temperature temperature value can be according to need Ask setting.In embodiments of the present invention, a=5 DEG C, TIf 1=0 DEG C, t1=100min.
S204:As b≤TEnvironment< a, complete machine is operated in easy frosting environment, and run time reaches that t2, continuous 2min are detected Min(T1、T2)≤TIf 2.This step is specifically, as the b≤T detectedEnvironmentDuring < a, illustrate TEnvironmentIn second temperature scope [b, A) in, now air conditioner is run in the environment of easy frosting, after the time that air conditioner is continuously run reaches t2, in continuous 2min It is interior that first temperature of first position and the second temperature of the second place are detected, detect multiple first temperature and Minimum temperature in multiple second temperatures is less than above-mentioned second temperature scope [b, preset temperature T a)If 2When, perform step S208, that is, control air conditioner defrost.Wherein, t2 is that [2min is second to second temperature scope for b, the second preset time a) Temperature range [b, the first preset time a), TIf 2For second temperature scope [b, the first preset temperature a).Likewise, second [b, the temperature value of the first preset time a), the duration of the second preset time and the first preset temperature can be with for temperature range Set according to demand.In embodiments of the present invention, b=-5 DEG C, TIf 2=(TEnvironment-5℃), t2=60min.
S206:Work as TEnvironment< b, complete machine is operated in adverse circumstances, and run time reaches that t3, continuous 2min detect Min (T1、T2)≤TIf 3.This step is specifically, as the T detectedEnvironmentDuring < b, illustrate TEnvironmentIn the 3rd temperature range (- ∞, b) in, Now air conditioner is run in the environment of easy frosting, after the time that air conditioner is continuously run reaches t3, interior right in continuous 2min First temperature of first position and the second temperature of the second place detected, is detecting multiple first temperature and multiple Minimum temperature in second temperature is less than above-mentioned 3rd temperature range (- ∞, preset temperature T b)If 3When, step S208 is performed, Namely control air conditioner defrost.Wherein, t3 is that (- ∞, the second preset time b), 2min is the 3rd temperature to the 3rd temperature range Spend scope (- ∞, the first preset time b), TIf 3For the 3rd temperature range (- ∞, the first preset temperature b).Likewise, the (- ∞, the temperature value of the first preset time b), the duration of the second preset time and the first preset temperature is equal for three temperature ranges It can set according to demand.In embodiments of the present invention, b=-5 DEG C, TIf 3=(TEnvironment-5℃), t3=50min.
Detection scheme one is detect first position on the outdoor unit fin of air conditioner respectively by two temperature-sensitive bags The second temperature of the second place in one temperature and outdoor unit fin, passes through a low pressure sensor detecting system low pressure pair The saturation temperature answered.Likewise, which specific temperature-sensitive bag detects the temperature of first position, which temperature-sensitive bag detection second place The temperature at place can arbitrarily be set according to demand.Due to the first temperature of detection, second temperature and saturation temperature, so target temperature It is combined into by the collection of the first temperature, second temperature and saturation temperature.Specifically, being also in detection scheme two can be to residing for air conditioner Environment temperature detected that the temperature range according to residing for the environment temperature detected specifically includes following steps:
S210:Work as TEnvironment>=a, complete machine, which is operated in, to be difficult in frosting environment, and continuous 10min detects Min (T1、T2、TIt is low)≤ TIf 1.This step is specifically, as the T detectedEnvironmentDuring >=a, illustrate TEnvironmentIn the first temperature range [a ,+∞) in, now air-conditioning Device is run in the environment for be difficult frosting, and frosting frost layer is very meagre, and unit capacity is influenceed minimum by frosting frost layer, it is possible to To the first temperature, the second temperature of the second place and system low-voltage the pressure correspondence of first position in continuous 10min Saturation temperature detected, the lowest temperature in multiple first temperature, multiple second temperatures and multiple saturation temperatures is detected Degree less than above-mentioned first temperature range [a ,+∞) preset temperature TIf 1When, perform step S208, that is, control air conditioner Frost.Wherein, TEnvironmentEnvironment temperature residing for the air conditioner that detects, TIt is lowFor saturation temperature, 10min be the first temperature range [a, + ∞) the first preset time, TIf 1For the first temperature range [a ,+∞) the first preset temperature.Likewise, the first temperature range [a ,+∞) the duration of the first preset time and the temperature value of the first preset temperature can set according to demand.In this hair In bright embodiment, a=5 DEG C, TIf 1=0 DEG C.
S212:As b≤TEnvironment< a, complete machine is operated in easy frosting environment, and continuous 5min detects Min (T1、T2、TIt is low)≤ TIf 2.This step is specifically, as the b≤T detectedEnvironmentDuring < a, illustrate TEnvironmentIn second temperature scope [b, a) in, this space-time Device is adjusted to be run in the environment of easy frosting, frosting frost layer reaches that certain thickness can just make unit capacity bright after operation a period of time It is aobvious to decline, so needing in continuous 5min to the first temperature of first position, the second temperature of the second place and being The corresponding saturation temperature of system low pressure is detected, is detecting multiple first temperature, multiple second temperatures and multiple saturations Minimum temperature in temperature is less than above-mentioned second temperature scope [b, preset temperature T a)If 2When, step S208 is performed, that is, Control air conditioner defrost.Wherein, TEnvironmentEnvironment temperature residing for the air conditioner that detects, 5min be second temperature scope [b, a) The first preset time, TIf 2For second temperature scope [b, the first preset temperature a).Likewise, second temperature scope [b, a) The duration of the first preset time and the temperature value of the first preset temperature can set according to demand.Due to second temperature model Enclose [b, a) in environment temperature corresponding running environment be the environment of easy frosting, so set second temperature scope [b, a) The duration of first preset time be less than the first temperature range [a ,+∞) the first preset time duration.In present invention implementation In example, a=5 DEG C, b=-5 DEG C, TIf 2=(TEnvironment-5℃)
S214:Work as TEnvironment< b, complete machine is operated in adverse circumstances, and continuous 1min detects Min (T1、T2、TIt is low)≤TIf 3.This Step is specifically, as the T detectedEnvironmentDuring < b, illustrate TEnvironmentIn the 3rd temperature range (- ∞, b) in, now air conditioner dislike Run in bad environment, frost is serious, can significantly affect unit capacity, so needing in continuous 1min to first position First temperature, the second temperature of the second place and the corresponding saturation temperature of system low-voltage pressure at place are detected, in inspection Measure minimum temperature in multiple first temperature, multiple second temperatures and multiple saturation temperatures less than above-mentioned 3rd temperature range (- ∞, preset temperature T b)If 3When, perform step S208, that is, control air conditioner defrost.Wherein, TEnvironmentFor the air-conditioning detected Environment temperature residing for device, 1min is the 3rd temperature range (- ∞, the first preset time b), TIf 3For the 3rd temperature range (- ∞, the first preset temperature b).(- ∞, the duration of the first preset time b) and first pre- likewise, the 3rd temperature range If the temperature value of temperature can be set according to demand.Due to the 3rd temperature range (- ∞, b) in the corresponding fortune of environment temperature Row environment is adverse circumstances, so (- ∞, the duration of the first preset time b) is less than first to the 3rd temperature range set Temperature range [a ,+∞) the first preset time duration and second temperature scope [b, the duration of the first preset time a). In the embodiment of the present invention, b=-5 DEG C, TIf 3=(TEnvironment-5℃)
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because According to the present invention, some steps can be carried out sequentially or simultaneously using other.Secondly, those skilled in the art should also know Know, embodiment described in this description belongs to preferred embodiment, involved action and module is not necessarily of the invention It is necessary.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot In the case of the former be more preferably embodiment.Understood based on such, technical scheme is substantially in other words to existing The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are to cause a station terminal equipment (can be mobile phone, calculate Machine, server, or network equipment etc.) perform method described in each of the invention embodiment.
Embodiment 2
According to embodiments of the present invention, a kind of control for being used to implement the air conditioner of the control method of above-mentioned air conditioner is additionally provided Device processed, the control device is mainly used in performing the control method that the above of the embodiment of the present invention is provided, below to this hair The control device for the air conditioner that bright embodiment is provided does specific introduction:
Fig. 3 is the schematic diagram of the control device of air conditioner according to embodiments of the present invention, as shown in figure 3, the device is main Including detection unit 10, processing unit 20, first acquisition unit 30, the first judging unit 40 and control unit 50, wherein:
Detection unit 10 is used to detect the environment temperature residing for air conditioner.
Processing unit 20 is used to determine the target temperature range residing for environment temperature, and it is corresponding to obtain target temperature range The preset time of target first and the preset temperature of target first, wherein, multiple temperature ranges that are stored with air conditioner and with it is each Temperature range distinguishes corresponding first preset time and the first preset temperature one by one.Specifically, can be according to being difficult frosting, Yi Jie In the case of three kinds of frost and rugged surrounding temperature, three temperature ranges are marked off, corresponding one first of each temperature range is preset Time and the first preset temperature.In embodiments of the present invention, above-mentioned ring can be determined according to the environment temperature specifically detected Temperature range residing for the temperature of border, the temperature range according to residing for the environment temperature detected in detection unit 10 is target temperature Scope is spent, corresponding first preset time of the target temperature range is the preset time of target first, target temperature range correspondence The first preset temperature be the preset temperature of target first.
First acquisition unit 30 is used to continuously acquire the target temperature on air conditioner in the preset time of target first, its In, target temperature at least includes the multiple temperature detected from the outdoor unit fin of air conditioner, it is, pre- in target first If continuously acquiring the multiple temperature detected on the outdoor unit fin of air conditioner in the time, the set of above-mentioned multiple temperature compositions, Obtain target temperature.
Whether the minimum value that the first judging unit 40 is used to judge in target temperature is less than or equal to the default temperature of target first Degree, i.e. minimum temperature and the size of the preset temperature of target first in comparison object temperature.
The minimum value that control unit 50 is used in target temperature is judged is less than or equal to the preset temperature of target first In the case of, control air conditioner defrost.
In embodiments of the present invention, by being detected to multiple temperature on air conditioner, using in multiple temperature most The benchmark that low temperature judges as defrost, is realized in the case where a sensor for carrying out temperature detection breaks down, also The temperature that can be detected by the use of other sensors is used as defrost whether judgment standard, it is to avoid in the prior art temperature, The drawbacks of can not carrying out accurate defrost again during differential pressure pickup failure, solves the defrosting control mode of air conditioner in the prior art The problem of inaccurate, so avoid defrost unclean or frostless defrost caused by unit capacity and operational reliability decline, The effect for improving air conditioner defrost precision is reached.And energy expenditure of the unit under winter longtime running can be reduced, Improve the heating effect of unit.
Specifically, first acquisition unit 30 includes first detection module and the first determining module, wherein:
First detection module is used for the of in the preset time of target first continuous detection outdoor unit fin first position One temperature, and the continuously second temperature of the detection outdoor unit fin second place, can obtain multiple first temperature and multiple the Two temperature, wherein, outdoor unit fin first position and the diverse location that the outdoor unit fin second place is outdoor unit fin, First position and the second place can be set according to demand.Specifically, can be by outdoor unit fin first position and second Position sets different sensors to detect the first temperature and second temperature, in embodiments of the present invention, carries out the biography of temperature detection Sensor can be temperature temperature-sensitive bag.
First determining module is used to determine that the collection of the first temperature and second temperature is combined into target temperature, i.e. above-mentioned multiple the The set of one temperature and multiple second temperatures composition, obtains target temperature.
In embodiments of the present invention, by detecting the temperature and outdoor unit fin second of outdoor unit fin first position The temperature at place is put, when any sensor breaks down in two sensors of detection first position and second place temperature When, the temperature that can also be detected according to the sensor of another normal work and the size of the preset temperature of target first are closed Whether system, control air conditioner carries out defrost, has further reached the effect for improving air conditioner defrost precision.
Specifically, the control device for the air conditioner that the embodiment of the present invention is provided also is sentenced including second acquisition unit and second Disconnected unit, wherein, second acquisition unit is used to continuously detect outdoor unit in the preset time of target first in first detection module First temperature of fin first position, and continuously obtain mesh before the second temperature of the detection outdoor unit fin second place The corresponding preset time of target second of temperature range is marked, wherein, also it is stored with and divides one by one with each temperature range in air conditioner Not corresponding second preset time, that is, each temperature range correspond to two preset times, are the first preset time respectively With the second preset time;Second judging unit, for judging whether the continuous working period of air conditioner reaches that target second is preset Time, wherein, in the case where the second judging unit judges that the continuous working period reaches the preset time of target second, the first inspection Module first temperature of continuous detection in the preset time of target first is surveyed, and continuously detects second temperature, that is, in air conditioner Continuously run after the second preset time, the of multiple outdoor unit fin first positions is continuously acquired in the first preset time One temperature and the second temperature of multiple outdoor unit fin second places.
Specifically when target temperature is made up of multiple first temperature and multiple second temperatures, processing unit 20 includes the One comparison module, the first determining module, the second determining module and the 3rd determining module, wherein:
First comparison module is used to compare environment temperature and the size of the second preset temperature and the 3rd preset temperature.
First determining module is used to compare environment temperature more than or equal in the case of the second preset temperature, determines mesh Mark temperature range be the first temperature range [a ,+∞), wherein, a be the second preset temperature.Specifically, the first temperature range [a ,+ The corresponding running environment of environment temperature in ∞) is the environment for being difficult frosting.This module is it is, if it is judged that detect Environment temperature >=a, illustrate above-mentioned environment temperature be located at the first temperature range [a ,+∞) in, so air conditioner is being difficult frosting Run in environment, now, the first temperature range [a ,+∞) namely target temperature range.In embodiments of the present invention, second is pre- If temperature a can be 5 DEG C, then, the first temperature range [a ,+∞) and namely the first temperature range [5 ,+∞), the first temperature model Enclose [5 ,+∞) corresponding second preset time be 100min, corresponding first preset temperature be 0 DEG C.
Second determining module is used to compare environment temperature more than or equal to the 3rd preset temperature, and pre- less than second If in the case of temperature, determine target temperature range for second temperature scope [b, a), wherein, b be the 3rd preset temperature.This mould Block is it is, if it is judged that the environment temperature detected and the relation of the second preset temperature and the 3rd preset temperature are b≤ring Border temperature<A, illustrate above-mentioned environment temperature be located at second temperature scope [b, a) in, so air conditioner is transported in the environment of easy frosting OK, now, second temperature scope [b, a) namely target temperature range.In embodiments of the present invention, the second preset temperature a can To be 5 DEG C, the 3rd preset temperature b can be -5 DEG C, then, second temperature scope [b, a) namely second temperature scope [- 5 DEG C, 5 DEG C), and second temperature scope [- 5 DEG C, 5 DEG C) corresponding second preset time is 60min, corresponding first preset temperature is The temperature value that (- 5 DEG C of environment temperature) is obtained.
3rd determining module is used to compare environment temperature less than in the case of the 3rd preset temperature, determines target temperature Scope be the 3rd temperature range (- ∞, b).This module is it is, if it is judged that the environment temperature detected<B, illustrates above-mentioned Environment temperature be located at the 3rd temperature range (- ∞, b) in, so air conditioner is run in adverse circumstances, now, the 3rd temperature model Enclose (- ∞, b) namely target temperature range.In embodiments of the present invention, the 3rd preset temperature b can be -5 DEG C, then, the Three temperature ranges (- ∞, b) namely the 3rd temperature range (- ∞, -5 DEG C), the 3rd temperature range (- ∞, -5 DEG C) corresponding Two preset times are 50min, and corresponding first preset temperature is the temperature value that (- 5 DEG C of environment temperature) is obtained.
In embodiments of the present invention, by setting multiple temperature ranges, and different temperatures scope control air conditioner defrost Condition it is different so that when environment temperature is in any temperature range in above-mentioned multiple temperature ranges, can meet corresponding During defrost condition so that timely air conditioner defrost, accuracy and the reliability for improving that defrost judges are reached, user has been met to sky Adjusting system energy-conservation, safe and reliable, comfortable requirement.
Specifically, the first temperature range [a ,+∞) corresponding first preset time, second temperature scope [b, it is a) corresponding (- ∞, b) corresponding first preset time is equal for first preset time and the 3rd temperature range.In embodiments of the present invention, often Planting the duration of corresponding first preset time of temperature range can be set according to demand.For example:The duration of first preset time can With all for 2min.
Specifically, first acquisition unit 30 includes the second detection module, processing module and the second determining module, wherein:
Second detection module is used for the of in the preset time of target first continuous detection outdoor unit fin first position One temperature, and the continuously second temperature of the detection outdoor unit fin second place.
Processing module is used for the system low-voltage pressure of the continuous detection air conditioner in the preset time of target first, and obtains and be The corresponding saturation temperature of system low pressure, specifically, can be by setting low pressure sensor to connect in the preset time of target first The system low-voltage pressure of continuous detection air conditioner, so as to obtain multiple saturation temperatures corresponding with system low-voltage pressure.
Second determining module is used to determine that the collection of the first temperature, second temperature and saturation temperature is combined into target temperature, i.e. many Individual first temperature, the set of multiple second temperatures and multiple second saturation temperatures collectively constitute target temperature.
Specifically, when target temperature is made up of multiple first temperature, multiple second temperatures and multiple saturation temperatures, place Managing unit 20 includes the second comparison module, the 4th determining module, the 5th determining module and the 6th determining module, wherein, the second ratio It is used to compare environment temperature and the size of the second preset temperature and the 3rd preset temperature compared with module;4th determining module be used for than Relatively go out environment temperature more than or equal in the case of the second preset temperature, determine target temperature range for the first temperature range [a ,+ ∞), wherein, a be the second preset temperature;5th determining module is used to compare environment temperature more than or equal to the 3rd default temperature Degree, and less than in the case of the second preset temperature, determine target temperature range for second temperature scope [b, a), wherein, b is 3rd preset temperature;6th determining module is used to compare environment temperature less than in the case of the 3rd preset temperature, determines mesh Mark temperature range be the 3rd temperature range (- ∞, b).In embodiments of the present invention, the second preset temperature a can be 5 DEG C, the 3rd Preset temperature b can be -5 DEG C, then, the first temperature range [a ,+∞) namely [5 ,+∞), the first temperature range [5 ,+∞) Corresponding first preset temperature is 0 DEG C;Second temperature scope [b, a) namely [- 5 DEG C, 5 DEG C), second temperature scope [- 5 DEG C, 5 DEG C) corresponding first preset temperature is (- 5 DEG C of environment temperature) obtained temperature value;3rd temperature range (- ∞, b) namely (- ∞, -5 DEG C), corresponding first preset temperature of the 3rd temperature range (- ∞, -5 DEG C) is the temperature that (- 5 DEG C of environment temperature) is obtained Value.
Specifically, second temperature scope [b, a) corresponding first preset time be less than the first temperature range [a ,+∞) correspondence The first preset time, and more than the 3rd temperature range (- ∞, b) corresponding first preset time, it is, the first temperature Scope [a ,+∞) corresponding first preset time be more than second temperature scope [b, a) corresponding first preset time, second temperature [b, a) corresponding first preset time is more than the 3rd temperature range (- ∞, b) corresponding first preset time for scope.Likewise, The duration of the corresponding preset time of above-mentioned each temperature range can also be set according to demand.For example:First temperature range [a, + ∞) corresponding first preset time when a length of 10min, second temperature scope [b, a) corresponding first preset time duration For 8min, the 3rd temperature range (- ∞, b) corresponding first preset time when a length of 5min.
In addition, the embodiment of the present invention additionally provides a kind of air conditioner, the air conditioner includes the above of the embodiment of the present invention The control device of any air conditioner provided.
As can be seen from the above description, the present invention solves the defrosting control mode of air conditioner in the prior art not The problem of accurate, so avoid defrost unclean or frostless defrost caused by unit capacity and operational reliability decline, reach The effect for improving air conditioner defrost precision is arrived.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment The part of detailed description, may refer to the associated description of other embodiment.
, can be by others side in several embodiments provided herein, it should be understood that disclosed client Formula is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, only one Kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or Another system is desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or discussed it is mutual it Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces Connect, can be electrical or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used When, it can be stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially The part contributed in other words to prior art or all or part of the technical scheme can be in the form of software products Embody, the computer software product is stored in a storage medium, including some instructions are to cause a computer Equipment (can for personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or Part steps.And foregoing storage medium includes:USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes Medium.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (17)

1. a kind of control method of air conditioner, it is characterised in that including:
Detect the environment temperature residing for the air conditioner;
The target temperature range residing for the environment temperature is determined, and it is pre- to obtain the corresponding target first of the target temperature range If time and the preset temperature of target first, wherein, multiple temperature ranges that are stored with the air conditioner and with each temperature model Enclose and distinguish corresponding first preset time and the first preset temperature one by one;
The target temperature on the air conditioner is continuously acquired in the preset time of target first, wherein, the target temperature At least include the multiple temperature detected from the outdoor unit fin of the air conditioner;
Judge whether the minimum value in the target temperature is less than or equal to the preset temperature of target first;And
In the case where the minimum value in judging the target temperature is less than or equal to the preset temperature of target first, control The air conditioner defrost.
2. control method according to claim 1, it is characterised in that continuously acquired in the preset time of target first Target temperature on the air conditioner includes:
The first temperature of the outdoor unit fin first position is continuously detected in the preset time of target first, and continuously Detect the second temperature of the outdoor unit fin second place;And
Determine that the collection of first temperature and the second temperature is combined into the target temperature.
3. control method according to claim 2, it is characterised in that continuously examined in the preset time of target first The first temperature of the outdoor unit fin first position is surveyed, and continuously detects the second of the outdoor unit fin second place Before temperature, the control method also includes:
Obtain the corresponding preset time of target second of the target temperature range, wherein, be also stored with the air conditioner with Each temperature range distinguishes corresponding second preset time one by one;And
Judge whether the continuous working period of the air conditioner reaches the preset time of target second,
Wherein, in the case where judging that the continuous working period reaches the preset time of target second, in the target First temperature is continuously detected in first preset time, and continuously detects the second temperature.
4. control method according to any one of claim 1 to 3, it is characterised in that determine residing for the environment temperature Target temperature range include:
Compare the environment temperature and the size of the second preset temperature and the 3rd preset temperature;
The environment temperature is being compared more than or equal in the case of second preset temperature, the target temperature model is determined Enclose for the first temperature range [a ,+∞), wherein, a be second preset temperature;
The environment temperature is being compared more than or equal to the 3rd preset temperature, and less than second preset temperature In the case of, determine the target temperature range for second temperature scope [b, a), wherein, b be the 3rd preset temperature;And
The environment temperature is being compared less than in the case of the 3rd preset temperature, determining that the target temperature range is the Three temperature ranges (- ∞, b).
5. control method according to claim 4, it is characterised in that and first temperature range [a ,+∞) corresponding institute State the first preset time, the second temperature scope [b, a) corresponding first preset time and the 3rd temperature range (- ∞, b) corresponding first preset time is equal.
6. control method according to claim 1, it is characterised in that continuously acquired in the preset time of target first Target temperature on the air conditioner includes:
The first temperature of the outdoor unit fin first position is continuously detected in the preset time of target first, and continuously Detect the second temperature of the outdoor unit fin second place;
The system low-voltage pressure of the air conditioner is continuously detected in the preset time of target first, and it is low to obtain the system The corresponding saturation temperature of pressure pressure;And
Determine that the collection of first temperature, the second temperature and the saturation temperature is combined into the target temperature.
7. the control method according to claim 1 or 6, it is characterised in that determine the target temperature residing for the environment temperature Degree scope includes:
Compare the environment temperature and the size of the second preset temperature and the 3rd preset temperature;
The environment temperature is being compared more than or equal in the case of second preset temperature, the target temperature model is determined Enclose for the first temperature range [a ,+∞), wherein, a be second preset temperature;
The environment temperature is being compared more than or equal to the 3rd preset temperature, and less than second preset temperature In the case of, determine the target temperature range for second temperature scope [b, a), wherein, b be the 3rd preset temperature;And
The environment temperature is being compared less than in the case of the 3rd preset temperature, determining that the target temperature range is the Three temperature ranges (- ∞, b).
8. control method according to claim 7, it is characterised in that the second temperature scope [b, a) described in corresponding First preset time be less than first temperature range [a ,+∞) corresponding first preset time, and more than described the Three temperature ranges (- ∞, b) corresponding first preset time.
9. a kind of control device of air conditioner, it is characterised in that including:
Detection unit, for detecting the environment temperature residing for the air conditioner;
Processing unit, for determining the target temperature range residing for the environment temperature, and obtains the target temperature range pair The preset time of target first and the preset temperature of target first answered, wherein, be stored with multiple temperature ranges in the air conditioner And corresponding first preset time and the first preset temperature are distinguished one by one with each temperature range;
First acquisition unit, for continuously acquiring the target temperature on the air conditioner in the preset time of target first, Wherein, the target temperature at least includes the multiple temperature detected from the outdoor unit fin of the air conditioner;
First judging unit, presets for judging whether the minimum value in the target temperature is less than or equal to the target first Temperature;And
Control unit, is less than or equal to the preset temperature of target first for the minimum value in the target temperature is judged In the case of, control the air conditioner defrost.
10. control device according to claim 9, it is characterised in that the first acquisition unit includes:
First detection module, for continuously detecting the outdoor unit fin first position in the preset time of target first The first temperature, and continuously detect the second temperature of the outdoor unit fin second place;And
First determining module, for determining that the collection of first temperature and the second temperature is combined into the target temperature.
11. control device according to claim 10, it is characterised in that the control device also includes:
Second acquisition unit, for continuously detecting the room in the preset time of target first in the first detection module First temperature of outer machine fin first position, and continuously detect the outdoor unit fin second place second temperature it Before, obtain the corresponding preset time of target second of the target temperature range, wherein, be also stored with the air conditioner with often Individual temperature range distinguishes corresponding second preset time one by one;And
Second judging unit, during for judging whether the continuous working period of the air conditioner reaches that the target second is preset Between,
Wherein, judge that the continuous working period reaches the feelings of the preset time of target second in second judging unit Under condition, the first detection module continuously detects first temperature in the preset time of target first, and continuously detects The second temperature.
12. the control device according to any one of claim 9 to 11, it is characterised in that the processing unit includes:
First comparison module, for comparing the environment temperature and the size of the second preset temperature and the 3rd preset temperature;
First determining module, for comparing the environment temperature more than or equal in the case of second preset temperature, Determine the target temperature range for the first temperature range [a ,+∞), wherein, a be second preset temperature;
Second determining module, for comparing the environment temperature more than or equal to the 3rd preset temperature, and is less than In the case of second preset temperature, determine the target temperature range for second temperature scope [b, a), wherein, b is described 3rd preset temperature;And
3rd determining module, for comparing the environment temperature less than in the case of the 3rd preset temperature, determines institute State target temperature range for the 3rd temperature range (- ∞, b).
13. control device according to claim 12, it is characterised in that and first temperature range [a ,+∞) it is corresponding First preset time, the second temperature scope [b, a) corresponding first preset time and the 3rd temperature model Enclose that (- ∞, b) corresponding first preset time is equal.
14. control device according to claim 9, it is characterised in that the first acquisition unit includes:
Second detection module, for continuously detecting the outdoor unit fin first position in the preset time of target first The first temperature, and continuously detect the second temperature of the outdoor unit fin second place;
Processing module, the system low-voltage pressure for continuously detecting the air conditioner in the preset time of target first, and Obtain the corresponding saturation temperature of the system low-voltage pressure;And
Second determining module, for determining that it is described that the collection of first temperature, the second temperature and the saturation temperature is combined into Target temperature.
15. the control device according to claim 9 or 14, it is characterised in that the processing unit includes:
Second comparison module, for comparing the environment temperature and the size of the second preset temperature and the 3rd preset temperature;
4th determining module, for comparing the environment temperature more than or equal in the case of second preset temperature, Determine the target temperature range for the first temperature range [a ,+∞), wherein, a be second preset temperature;
5th determining module, for comparing the environment temperature more than or equal to the 3rd preset temperature, and is less than In the case of second preset temperature, determine the target temperature range for second temperature scope [b, a), wherein, b is described 3rd preset temperature;And
6th determining module, for comparing the environment temperature less than in the case of the 3rd preset temperature, determines institute State target temperature range for the 3rd temperature range (- ∞, b).
16. control device according to claim 15, it is characterised in that second temperature scope [b, a) corresponding institute State the first preset time less than first temperature range [a ,+∞) corresponding first preset time, and more than described 3rd temperature range (- ∞, b) corresponding first preset time.
17. a kind of air conditioner, it is characterised in that include the control device of the air conditioner any one of claim 9 to 16.
CN201410836872.1A 2014-12-26 2014-12-26 Air conditioner and control method and device thereof Expired - Fee Related CN104566820B (en)

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CN107990481A (en) * 2017-10-27 2018-05-04 珠海格力电器股份有限公司 Air conditioner defrosting control method and device
CN108826584A (en) * 2018-06-06 2018-11-16 青岛海尔空调器有限总公司 A kind of defrosting control method of air conditioner, device, storage medium
CN109458697B (en) * 2018-10-31 2020-03-17 珠海格力电器股份有限公司 Defrosting control method, device and system for heat exchange equipment
CN110375423B (en) * 2019-08-08 2022-01-11 宁波奥克斯电气股份有限公司 Fan speed regulation control method and air conditioner
CN111306853B (en) * 2020-02-26 2021-03-23 珠海格力电器股份有限公司 Air conditioner defrosting method and air conditioner defrosting system for realizing continuous heating
CN114893866B (en) * 2022-06-21 2023-07-21 珠海格力电器股份有限公司 Defrosting control method and device and air conditioner
CN115727479B (en) * 2022-11-24 2024-08-06 珠海格力电器股份有限公司 Defrosting judging method based on Internet of things and air conditioning unit

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