CN104534618A - Air conditioner control method - Google Patents
Air conditioner control method Download PDFInfo
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- CN104534618A CN104534618A CN201410765007.2A CN201410765007A CN104534618A CN 104534618 A CN104534618 A CN 104534618A CN 201410765007 A CN201410765007 A CN 201410765007A CN 104534618 A CN104534618 A CN 104534618A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004378 air conditioning Methods 0.000 claims abstract description 41
- 238000009833 condensation Methods 0.000 claims abstract description 32
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000005494 condensation Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000205 computational method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Landscapes
- 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)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner control method, belongs to the field of anti-condensation control methods of air conditioning devices, and aims to solve the problems of high cost, poor practicability and the like of the existing method. The air conditioner control method includes that when the air conditioner is judged to be in a refrigeration mode, a temperature value Tn of a first temperature sensing bulb detection inner pipe of an inner machine is substituted into a formula wet bulb temperature Ts which is A multiplied by an inner pipe temperature Tn + B to calculate the wet bulb temperature Ts, wherein A and B are constants, A belongs to < -10 >, B belongs to < -20 >, 20 >; and obtaining a relative humidity value S by checking an enthalpy-humidity diagram or a table correspondingly consisting of the dry-bulb temperature Tg and the wet-bulb temperature Ts in the enthalpy-humidity diagram according to the wet-bulb temperature Ts and the dry-bulb temperature Tg, and entering an anti-condensation operation mode when the relative humidity value S is more than or equal to 60%. The air conditioner control method can make accurate judgment according to the actual working environment of the air conditioner, and has strong practicability and good condensation prevention effect.
Description
Technical field
The present invention relates to a kind of anti-condensation control method of air-conditioning.
Background technology
In the use of air-conditioning, once produce condensation problem, can drip at air conditioner structure part sweating water, or have the globule to blow out in air-supply process, the use sense affecting user is subject to.
Method anti-condensation at present comprises: on wind deflector, paste Flocked fabric; Or increase electrical heating; Or change air supply pattern.Said method all has defect: pasting Flocked fabric method can only of short durationly deal with problems, and flannelette is in the easy mould growth of wet environment for a long time, affects environmental sanitation; Electrical heating method can affect leaving air temp; Change air supply pattern can produce extra noise, and sets air supply pattern with user and conflict.
The method that existing judgement condensation produces comprises: 1, running time; 2, humidity sensor measurement humidity range is adopted.These two kinds of methods all have defect: this running time sets in advance, cannot adjust, poor practicability according to the actual environment of operation of air conditioner; Humidity sensor is installed and then causes cost increase.
Summary of the invention
The object of the invention is to propose the low air conditioning control method of a kind of cost.
For reaching this object, the present invention by the following technical solutions:
A kind of air conditioning control method, described method is when judging that air-conditioning is in refrigeration mode, in being detected by interior machine first temperature-sensitive bag, pipe temperature value Tn brings in formula wet-bulb temperature Ts=A × interior pipe temperature value Tn+B and calculates wet-bulb temperature Ts, wherein, A and B is constant, A ∈ [-10,10], B ∈ [-20,20]; Obtain rh value S according to wet-bulb temperature Ts and dry-bulb temperature Tg by looking into psychrometric chart or looking into the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence, transfer in into anti-condensation operational mode when described rh value S is more than or equal to 60% space-time.
Particularly, described method comprises the steps:
Judge whether air-conditioning is in refrigeration mode, is, goes to step 2 after step 1, start, otherwise go to step 7;
In step 2, utilization, machine first temperature-sensitive bag detects the temperature value at indoor set copper pipe place, makes the temperature value at described indoor set copper pipe place be interior pipe temperature value Tn;
Step 3, calculate wet-bulb temperature Ts according to interior pipe temperature value Tn;
In step 4, utilization, machine second temperature-sensitive bag detects the temperature value at indoor set return air inlet place, and the temperature value making described indoor set return air inlet place is dry-bulb temperature Tg;
Step 5, obtain rh value S by looking into psychrometric chart or looking into by the form that forms of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence according to wet-bulb temperature Ts and dry-bulb temperature Tg;
Step 6, transfer in into anti-condensation operational mode when described rh value S is more than or equal to 60% space-time, after running setting-up time t, go to step 2; When described rh value S is less than 60%, timing setting-up time t, goes to step 2;
Step 7, end.
Particularly, described anti-condensation operational mode be air-conditioning work in low frequency value [Hd1, Hd2] scope, described low frequency value [Hd1, Hd2] is lower than air-conditioning maximum running frequency value Hg; Wherein, maximum running frequency value Hg ∈ [40Hz, 100Hz], described low frequency value ∈ [20Hz, 95Hz].
Particularly, in step 6, when described rh value S be less than 60% and air-conditioning work at present in anti-condensation operational mode time, make air-conditioning exit anti-condensation operational mode.
In air conditioning control method of the present invention can utilize, machine first temperature-sensitive bag detects interior pipe temperature value Tn and calculates wet-bulb temperature Ts according to interior pipe temperature value Tn, and computational methods are rapid, and gained wet-bulb temperature Ts numerical value accurately and reliably; Using rh value S as anti-condensation entry condition, accurate judgement can be made according to the actual working environment of air-conditioning, practical; This control method obtains rh value S by looking into psychrometric chart or looking into the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence, and calculating is accurate, cost is low; Downgrade low operating frequency when this rh value S is more than or equal to 60% space-time, enter anti-condensation operational mode, anti-condensation effect is good.
Accompanying drawing explanation
Fig. 1 is the flow chart of the air conditioning control method that the preferred embodiment of the present invention one provides;
Fig. 2 is h-d figure (psychrometric chart) of a normal atmosphere pressure.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Preferred embodiment one:
This preferred embodiment provides a kind of air conditioning control method.As shown in Figure 1, the method comprises the steps:
Judge whether air-conditioning is in refrigeration mode, is, goes to step 2 after step 1, start, otherwise go to step 7.
In step 2, utilization, machine first temperature-sensitive bag detects the temperature value at indoor set copper pipe place, makes the temperature value at indoor set copper pipe place be interior pipe temperature value Tn.
Step 3, interior pipe temperature value Tn is substituted into formula: wet-bulb temperature Ts=A × interior pipe temperature value Tn+B, calculates wet-bulb temperature Ts; Wherein, A and B is constant, A ∈ [-10,10], B ∈ [-20,20].
In step 4, utilization, machine second temperature-sensitive bag detects the temperature value at indoor set return air inlet place, makes the temperature value at indoor set return air inlet place be dry-bulb temperature Tg.
Step 5, obtain rh value S according to wet-bulb temperature Ts and dry-bulb temperature Tg by looking into psychrometric chart (as shown in Figure 2).Psychrometric chart be by various for humid air parameter between the one figure that represents with figure line of relation, comprise the humid air system of certain mass dry air, also may there is the change of steam content, the free degree of its state change more than simple compressible system, therefore the state of humid air is determined at three independent parameters.State point on plane only has two independent parameters, so hygrogram is everlasting, under certain gross pressure, selected two independent parameters are that coordinate makes again.The coordinate adopted can have various selection, and to common are with water capacity and dry-bulb temperature be coordinate, and d-t schemes, and schemes with the h-d that enthalpy and water capacity are coordinate.
In h-d figure with enthalpy h be ordinate, with water capacity d for abscissa.Figure depicts and determines water capacity d, determine vapor partial pressure power pv, determine dew-point temperature td, determine enthalpy h, determine wet-bulb temperature tw, determine dry-bulb temperature t, determine relative humidity and respectively organize line bunch.Wherein, water capacity line bunch is determined: determining d line is a vertical line; Under certain gross pressure, pv and d value is one to one, therefore determines d line and namely determines pv line; Further, the dew-point temperature td of humid air is only determined at vapor partial pressure power pv, and therefore vertical line bunch is again determine td line bunch.
Step 6, transfer in into anti-condensation operational mode when rh value S is more than or equal to 60% space-time, run and go to step 2 after 3 minutes; When rh value S is less than 60%, timing 3 minutes, goes to step 2.
Wherein, anti-condensation operational mode be air-conditioning work in low frequency value [20Hz, 95Hz] scope, this low frequency value is lower than air-conditioning maximum running frequency value Hg.Concrete, this low frequency value deducts 5Hz ~ 20Hz on the basis of air-conditioning maximum running frequency value Hg [40Hz, 100Hz].
When rh value S be less than 60% and air-conditioning work at present in anti-condensation operational mode time, make air-conditioning exit anti-condensation operational mode.
Step 7, end.
The air conditioning control method of this preferred embodiment can utilize interior machine temperature-sensitive bag detect interior pipe temperature value Tn and calculate wet-bulb temperature Ts according to pipe temperature value Tn in this, and computational methods are rapid, and gained wet-bulb temperature Ts numerical value accurately and reliably; Using rh value S as anti-condensation entry condition, accurate judgement can be made according to the actual working environment of air-conditioning, practical; This control method obtains rh value S by the method looking into psychrometric chart, and calculate accurately, without the need to using humidity sensor, cost is low; Downgrade low operating frequency when this rh value S is more than or equal to 60% space-time, enter anti-condensation operational mode, anti-condensation effect is good.
Preferred embodiment two:
This preferred embodiment provides a kind of air conditioning control method.The method is when judging that air-conditioning is in refrigeration mode, and in being detected by interior machine first temperature-sensitive bag, pipe temperature value Tn brings in formula wet-bulb temperature Ts=A × interior pipe temperature value Tn+B and calculates wet-bulb temperature Ts, wherein, A and B is constant, A ∈ [-10,10], B ∈ [-20,20]; Obtaining rh value S according to wet-bulb temperature Ts and dry-bulb temperature Tg by looking into the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence, transferring in into anti-condensation operational mode when rh value S is more than or equal to 60% space-time.
The form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence is as follows:
The concrete steps of this air conditioning control method are not limit, and can obtain rh value S by looking into psychrometric chart or looking into the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence; The particular content of anti-condensation operational mode is not limit, and can use other method reduced beyond frequency, can be effectively anti-condensation.When air-conditioning model is 35 and operates in high wind shelves, wet-bulb temperature Ts=1.2 × interior pipe temperature Tn+8.
The air conditioning control method of this preferred embodiment gives the computational methods that 35 type operation of air conditioner are wet-bulb temperature Ts at high wind shelves, and give the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence, rh value S is obtained by looking into the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence according to this wet-bulb temperature Ts and dry-bulb temperature Tg, transfer in into anti-condensation operational mode when rh value S is more than or equal to 60% space-time, can judge whether air-conditioning enters anti-condensation operational mode according to the actual working environment of air-conditioning, accuracy of judgement, practical, use the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence to obtain rh value S, seek rate is fast, and institute's value is accurate.
Claims (4)
1. an air conditioning control method, it is characterized in that, described method is when judging that air-conditioning is in refrigeration mode, in being detected by interior machine first temperature-sensitive bag, pipe temperature value Tn brings in formula wet-bulb temperature Ts=A × interior pipe temperature value Tn+B and calculates wet-bulb temperature Ts, and wherein, A and B is constant, A ∈ [-10,10], B ∈ [-20,20]; Obtain rh value S according to wet-bulb temperature Ts and dry-bulb temperature Tg by looking into psychrometric chart or looking into the form be made up of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence, transfer in into anti-condensation operational mode when described rh value S is more than or equal to 60% space-time.
2. air conditioning control method according to claim 1, is characterized in that, described method comprises the steps:
Judge whether air-conditioning is in refrigeration mode, is, goes to step 2 after step 1, start, otherwise go to step 7;
In step 2, utilization, machine first temperature-sensitive bag detects the temperature value at indoor set copper pipe place, makes the temperature value at described indoor set copper pipe place be interior pipe temperature value Tn;
Step 3, calculate wet-bulb temperature Ts according to interior pipe temperature value Tn;
In step 4, utilization, machine second temperature-sensitive bag detects the temperature value at indoor set return air inlet place, and the temperature value making described indoor set return air inlet place is dry-bulb temperature Tg;
Step 5, obtain rh value S by looking into psychrometric chart or looking into by the form that forms of dry-bulb temperature Tg in psychrometric chart and wet-bulb temperature Ts correspondence according to wet-bulb temperature Ts and dry-bulb temperature Tg;
Step 6, transfer in into anti-condensation operational mode when described rh value S is more than or equal to 60% space-time, after running setting-up time t, go to step 2; When described rh value S is less than 60%, timing setting-up time t, goes to step 2;
Step 7, end.
3. air conditioning control method according to claim 1 and 2, is characterized in that, described anti-condensation operational mode be air-conditioning work in low frequency value [Hd1, Hd2] scope, described low frequency value [Hd1, Hd2] is lower than air-conditioning maximum running frequency value Hg; Wherein, maximum running frequency value Hg ∈ [40Hz, 100Hz], described low frequency value ∈ [20Hz, 95Hz].
4. air conditioning control method according to claim 2, is characterized in that, in step 6, when described rh value S be less than 60% and air-conditioning work at present in anti-condensation operational mode time, make air-conditioning exit anti-condensation operational mode.
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| CN201410765007.2A CN104534618A (en) | 2014-12-12 | 2014-12-12 | Air conditioner control method |
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| CN201410765007.2A CN104534618A (en) | 2014-12-12 | 2014-12-12 | Air conditioner control method |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848493A (en) * | 2015-05-26 | 2015-08-19 | 珠海格力电器股份有限公司 | Air humidity detection method and device, air conditioner and dehumidifier |
| CN105042773A (en) * | 2015-07-13 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | Control method for preventing condensation of air-cooled inter-row air conditioner |
| CN105241031A (en) * | 2015-11-09 | 2016-01-13 | 广东美的制冷设备有限公司 | Anti-condensation treatment method for air conditioner, anti-condensation treatment device and air conditioner |
| CN105258295A (en) * | 2015-10-29 | 2016-01-20 | 广东美的制冷设备有限公司 | Anti-condensation control method and device of air conditioner |
| CN105333569A (en) * | 2015-10-29 | 2016-02-17 | 广东美的制冷设备有限公司 | Condensation prevention control method and device for air conditioner |
| CN105526679A (en) * | 2016-01-19 | 2016-04-27 | 珠海格力电器股份有限公司 | Energy-saving control method and device for air conditioner |
| CN105546712A (en) * | 2015-12-03 | 2016-05-04 | 珠海格力电器股份有限公司 | Humidity detection method, device and system for dehumidifier |
| CN105910174A (en) * | 2016-04-13 | 2016-08-31 | 珠海格力电器股份有限公司 | Anti-condensation control method and device for fixed frequency machine and air conditioning system |
| CN106016616A (en) * | 2016-06-03 | 2016-10-12 | 广东美的制冷设备有限公司 | Anti-condensation control method for air conditioner and air conditioner |
| CN106322677A (en) * | 2016-08-31 | 2017-01-11 | 美的集团武汉制冷设备有限公司 | Air conditioner control method and device for preventing condensation water dripping and air conditioner |
| CN106765975A (en) * | 2017-01-05 | 2017-05-31 | 珠海格力电器股份有限公司 | Air conditioner control method and device |
| CN106765859A (en) * | 2015-11-23 | 2017-05-31 | 广东美的制冷设备有限公司 | The refrigerated dehumidification control method and air-conditioning system of air-conditioning |
| CN107178883A (en) * | 2017-07-27 | 2017-09-19 | 青岛海信日立空调系统有限公司 | A kind of method, device and air-conditioning for calculating indoor apparatus of air conditioner leaving air temp |
| CN107421061A (en) * | 2017-07-06 | 2017-12-01 | 青岛海尔空调器有限总公司 | The condensation prevention control method and device of air conditioner |
| CN107726549A (en) * | 2017-09-20 | 2018-02-23 | 青岛海尔空调器有限总公司 | A kind of real-time humidity projectional technique of air-conditioned room and air conditioner |
| CN107796093A (en) * | 2017-11-22 | 2018-03-13 | 海信（山东）空调有限公司 | A kind of air conditioner prevents the control method and air conditioner of condensation |
| CN108361955A (en) * | 2018-01-31 | 2018-08-03 | 青岛海尔空调器有限总公司 | Anti-condensation method and air-conditioning are carried out using automatically cleaning |
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| CN109612759A (en) * | 2018-12-19 | 2019-04-12 | 珠海格力电器股份有限公司 | Enthalpy difference laboratory wet bulb working condition automatic control method |
| CN110686390A (en) * | 2019-09-12 | 2020-01-14 | 珠海格力电器股份有限公司 | Control method and system for preventing mainboard condensation of frequency converter and air conditioner |
| CN111482062A (en) * | 2020-04-20 | 2020-08-04 | 江苏保丽洁环境科技股份有限公司 | Automatic control method for removing white fog from waste gas |
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| CN112856709A (en) * | 2021-01-20 | 2021-05-28 | 珠海格力电器股份有限公司 | Air conditioning equipment control method and device, air conditioning equipment and storage medium |
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Cited By (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848493B (en) * | 2015-05-26 | 2018-03-06 | 珠海格力电器股份有限公司 | Air humidity detection method and device, air conditioner and dehumidifier |
| CN104848493A (en) * | 2015-05-26 | 2015-08-19 | 珠海格力电器股份有限公司 | Air humidity detection method and device, air conditioner and dehumidifier |
| CN105042773A (en) * | 2015-07-13 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | Control method for preventing condensation of air-cooled inter-row air conditioner |
| CN105258295A (en) * | 2015-10-29 | 2016-01-20 | 广东美的制冷设备有限公司 | Anti-condensation control method and device of air conditioner |
| CN105333569A (en) * | 2015-10-29 | 2016-02-17 | 广东美的制冷设备有限公司 | Condensation prevention control method and device for air conditioner |
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