CN109237728A - Convertible frequency air-conditioner condensation prevention control method - Google Patents
Convertible frequency air-conditioner condensation prevention control method Download PDFInfo
- Publication number
- CN109237728A CN109237728A CN201810995638.1A CN201810995638A CN109237728A CN 109237728 A CN109237728 A CN 109237728A CN 201810995638 A CN201810995638 A CN 201810995638A CN 109237728 A CN109237728 A CN 109237728A
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- Prior art keywords
- conditioner
- air
- indoor
- gear
- maximum frequency
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- 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
- F24F2110/20—Humidity
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention relates to convertible frequency air-conditioner control technologies, and it discloses a kind of convertible frequency air-conditioner condensation prevention control methods, while preventing from forming a large amount of condensation waters when relative humidity is larger in cooling mode, preferably play the performance of convertible frequency air-conditioner, improve users'comfort experience.This method comprises:, according to the variation of indoor relative humidity, matching compressor maximum frequency of operation and wind-speed gear under refrigerating of convertible frequency air conditioner mode, when humidity is larger, reduces compressor maximum frequency of operation and improve indoor air velocity gear simultaneously；Lower or when gradually decreasing in relative humidity, by establishing the functional relation of relative humidity and maximum frequency of operation variation, different compressor maximum frequency of operation is adapted in different relative humidity: humidity is lower, and compressor maximum frequency of operation is higher.The present invention is suitable for the anti-condensation control of convertible frequency air-conditioner.
Description
Technical field
The present invention relates to convertible frequency air-conditioner control technologies, and in particular to a kind of convertible frequency air-conditioner condensation prevention control method.
Background technique
It, can be because evaporating temperature forms condensation water lower than air dew point temperature, especially in air when air conditioner refrigerating
When relative humidity is larger, if the too low air-conditioning outer structural parts surface that will lead to of evaporating temperature forms a large amount of condensation waters, time one
Length will be glided or be dripped, or even directly be blown out from air-conditioner air outlet, bring security risk to air-conditioning use, while influencing to disappear
The subjective feeling of the person of expense.
In the prior art it is usually to reduce frequency of air condition compressor when relative humidity is larger and improve wind speed, passes through raising
Evaporating temperature reduces condensation, and even condensation does not solve this problem.But processing mode has certain problems: limitation compressor
Frequency will affect the refrigerating capacity of air-conditioning, and the room temperature of consumer demand is not achieved；On the one hand improving wind speed will increase noise,
The increase of another aspect wind speed can allow evaporating temperature to continue to rise, at the same leaving air temp of the air after heat exchanger also can it is corresponding on
Rise, this can be brought discomfort to the body-sensing of consumer by.
To sum up, anti-condensation control means in the prior art can effectively reduce condensation, but affect the comfort level of user
Experience.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of convertible frequency air-conditioner condensation prevention control method is proposed, in refrigeration mode
Under while prevent from forming a large amount of condensation waters when relative humidity is larger, preferably play the performance of convertible frequency air-conditioner, improve user and relax
Appropriateness experience.
The technical proposal adopted by the invention to solve the above technical problems is that:
Convertible frequency air-conditioner condensation prevention control method, comprising:
Under refrigerating of convertible frequency air conditioner mode, according to the variation of indoor relative humidity, match compressor maximum frequency of operation and
Wind-speed gear reduces compressor maximum frequency of operation and improves indoor air velocity gear simultaneously when humidity is larger；Relative humidity compared with
It is low or when gradually decreasing, by establishing the functional relation of relative humidity and maximum frequency of operation variation, in different relative humidity
When be adapted to different compressor maximum frequency of operation: humidity is lower, and compressor maximum frequency of operation is higher.
As advanced optimizing, this method specifically includes the following steps:
A. under refrigerating of convertible frequency air conditioner mode, judge whether current indoor rh value is greater than or equal to setting threshold value n,
If so, entering step b, otherwise, c is entered step；
B. the compressor maximum frequency of operation of convertible frequency air-conditioner is limited to mHz, and improves indoor air velocity gear, return step
a；
C. the compressor maximum frequency of operation of convertible frequency air-conditioner is associated control according to current indoor rh value,
When humidity is lower or gradually decreases, compressor maximum frequency of operation, return step a are improved or are gradually increased.
As advanced optimizing, in step b, the indoor air velocity gear that improves method particularly includes: in current indoor wind
At least one gear is improved on the basis of fast gear, if current indoor wind-speed gear is maximum gear, with this maximum gear fortune
Row.
As advanced optimizing, step c further include: if before this since indoor relative humidity values are greater than or equal to setting threshold value
N and improve indoor air velocity gear, then detect current indoor rh value drop to setting threshold value n or less when, by room
Interior wind-speed gear restores to the former wind-speed gear before raising wind-speed gear.
As advanced optimizing, in step c, the compressor maximum frequency of operation by convertible frequency air-conditioner is according to current indoor
Rh value is associated control, specifically:
Compressor maximum frequency of operation=m+ (n- current indoor rh value) * 100.
The beneficial effects of the present invention are:
When refrigerating of convertible frequency air conditioner, under different relative humidity, match different frequency and wind speed not only it is possible to prevente effectively from
Air-conditioning generates a large amount of condensation waters, prevents that condensation water from blowing out or drippage causes uncomfortable or integrity problem, while can also allow change
Frequency, wind speed and the relative humidity of frequency air-conditioning are associated control, and the more preferable performance for playing air-conditioning improves refrigerating of convertible frequency air conditioner
Comfort.
Detailed description of the invention
Fig. 1 is the convertible frequency air-conditioner condensation prevention control method flow chart of the embodiment of the present invention.
Specific embodiment
The present invention is directed to propose a kind of convertible frequency air-conditioner condensation prevention control method, prevents relative humidity larger in cooling mode
When while form a large amount of condensation waters, preferably play the performance of convertible frequency air-conditioner, improve users'comfort experience.
In the present invention, under refrigerating of convertible frequency air conditioner mode, according to the variation of indoor relative humidity, it is maximum to match compressor
Running frequency and operating air velocity: when humidity is larger, reducing compressor maximum frequency of operation and improve indoor air velocity gear simultaneously, with
Evaporating temperature is improved, condensation water is reduced and is formed；It is lower or when gradually decreasing in relative humidity, by establishing relative humidity and maximum
The functional relation of running frequency variation, to be adapted to different compressor maximum frequency of operation in different relative humidity: humidity is got over
Low, compressor maximum frequency of operation is higher, to prevent air-conditioning from forming a large amount of condensation waters while meeting consumer's refrigeration demand.
In specific implementation, this method specifically includes the following steps:
A. under refrigerating of convertible frequency air conditioner mode, judge whether current indoor rh value is greater than or equal to setting threshold value n,
If so, entering step b, otherwise, c is entered step；
In this step, convertible frequency air-conditioner, come the rh value of real-time detection current indoor, obtains inspection by humidity sensor
Judgement is compared with preset threshold value n after measured data.
B. the compressor maximum frequency of operation of convertible frequency air-conditioner is limited to mHz, and improves indoor air velocity gear, return step
a；
In this step, the raising indoor air velocity gear method particularly includes: on the basis of current indoor wind-speed gear
At least one gear is improved, if current indoor wind-speed gear is maximum gear, with this maximum gear operation.
By limiting compressor maximum frequency of operation and improving indoor air velocity, evaporating temperature can be improved, reduce condensation
It is formed.
C. the compressor maximum frequency of operation of convertible frequency air-conditioner is associated control according to current indoor rh value,
When humidity is lower or gradually decreases, compressor maximum frequency of operation, return step a are improved or are gradually increased；
If improving indoor air velocity gear since indoor relative humidity values are greater than or equal to setting threshold value n before this,
When detecting that current indoor rh value drops to setting threshold value n or less, indoor air velocity gear is restored to raising wind speed shelves
Former wind-speed gear before position.
In this step, the compressor maximum frequency of operation by convertible frequency air-conditioner is carried out according to current indoor rh value
Association control, it can be achieved that concrete mode are as follows: compressor maximum frequency of operation=m+ (n- current indoor rh value) * 100.
In the case where humidity is lower or gradually decreases, condensation water be not easy to be formed or be formed it is less, pass through improve air-conditioning
The maximum frequency of operation of compressor can more preferably play the refrigeration performance of air-conditioning, to meet the refrigeration demand of user, improve and relax
Appropriateness, and when rh value drops to threshold value or less indoors, wind-speed gear can reduce influence of noise in recovery room.
The solution of the present invention is further described with reference to the accompanying drawings and embodiments:
Embodiment:
The present embodiment is with preset humidity threshold n for 75%, and the maximum frequency of operation m of limitation is for 30Hz.
As shown in Figure 1, the convertible frequency air-conditioner condensation prevention control method in the present embodiment, specifically includes following implemented step:
1, convertible frequency air-conditioner detects the relative humidity situation of current indoor according to humidity sensor；
2, judge whether current indoor relative humidity is greater than or equal to preset humidity threshold 75%, if more than then executing
Step 3, otherwise, step 4 is executed；
3, the compressor maximum frequency of operation of convertible frequency air-conditioner is limited to 30Hz, indoor air velocity gear is improved into a gear
(such as: low wind being improved to apoplexy, or apoplexy is improved into supreme wind), if current indoor wind-speed gear is maximum gear, with this
Maximum gear operation, return step 1 continue to test rh value, enter step process circulation；
4, the compressor maximum frequency of operation of convertible frequency air-conditioner is associated control according to current indoor rh value: compression
Machine maximum frequency of operation=30Hz+ (75%- current indoor rh value) * 100；To allow the refrigeration performance of air-conditioning in condensation
It is given full play under the premise of devoid of risk；In addition, if improving room since indoor relative humidity values are greater than or equal to 75% before this
Interior wind-speed gear, then when detecting that current indoor rh value drops to 75% or less, by indoor air velocity gear restore to
The former wind-speed gear before wind-speed gear is improved, to reduce influence of noise；Return step 1 continues to test rh value, enters
Steps flow chart circulation.
Claims (5)
1. convertible frequency air-conditioner condensation prevention control method characterized by comprising
Under refrigerating of convertible frequency air conditioner mode, according to the variation of indoor relative humidity, compressor maximum frequency of operation and wind speed are matched
Gear reduces compressor maximum frequency of operation and improves indoor air velocity gear simultaneously when humidity is larger；Relative humidity it is lower or
When gradually decreasing, by establishing the functional relation of relative humidity and maximum frequency of operation variation, fitted in different relative humidity
With different compressor maximum frequency of operation: humidity is lower, and compressor maximum frequency of operation is higher.
2. convertible frequency air-conditioner condensation prevention control method as described in claim 1, which is characterized in that
This method specifically includes the following steps:
A. under refrigerating of convertible frequency air conditioner mode, judge whether current indoor rh value is greater than or equal to setting threshold value n, if
It is then to enter step b, otherwise, enters step c；
B. the compressor maximum frequency of operation of convertible frequency air-conditioner is limited to mHz, and improves indoor air velocity gear, return step a；
C. the compressor maximum frequency of operation of convertible frequency air-conditioner is associated control according to current indoor rh value, in humidity
It is lower or when gradually decreasing, improve or be gradually increased compressor maximum frequency of operation, return step a.
3. convertible frequency air-conditioner condensation prevention control method as claimed in claim 2, which is characterized in that
It is described to improve indoor air velocity gear in step b method particularly includes: improve on the basis of current indoor wind-speed gear to
A few gear, if current indoor wind-speed gear is maximum gear, with this maximum gear operation.
4. convertible frequency air-conditioner condensation prevention control method as claimed in claim 2, which is characterized in that
Step c further include: if improving indoor air velocity shelves since indoor relative humidity values are greater than or equal to setting threshold value n before this
Indoor air velocity gear is restored to improving then when detecting that current indoor rh value drops to setting threshold value n or less position
Former wind-speed gear before wind-speed gear.
5. the convertible frequency air-conditioner condensation prevention control method as described in claim 2-4 any one, which is characterized in that
It is described to be associated the compressor maximum frequency of operation of convertible frequency air-conditioner according to current indoor rh value in step c
Control, specifically:
Compressor maximum frequency of operation=m+ (n- current indoor rh value) * 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810995638.1A CN109237728B (en) | 2018-08-29 | 2018-08-29 | Condensation prevention control method for variable frequency air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810995638.1A CN109237728B (en) | 2018-08-29 | 2018-08-29 | Condensation prevention control method for variable frequency air conditioner |
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| Publication Number | Publication Date |
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| CN109237728A true CN109237728A (en) | 2019-01-18 |
| CN109237728B CN109237728B (en) | 2021-01-26 |
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ID=65069035
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| CN201810995638.1A Active CN109237728B (en) | 2018-08-29 | 2018-08-29 | Condensation prevention control method for variable frequency air conditioner |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849069A (en) * | 2019-11-15 | 2020-02-28 | 珠海格力电器股份有限公司 | Auxiliary heating equipment surface humidity control method, computer device and computer readable storage medium |
| CN111706965A (en) * | 2020-05-28 | 2020-09-25 | 青岛海尔空调器有限总公司 | Floor condensation preventing method and device for air conditioner and air conditioner |
| CN111928445A (en) * | 2020-07-14 | 2020-11-13 | 海信（山东）空调有限公司 | Variable frequency air conditioner and anti-condensation control method thereof |
| CN112128949A (en) * | 2020-09-27 | 2020-12-25 | 格力电器（合肥）有限公司 | Constant-frequency air conditioner condensation prevention control method and device, electronic equipment and storage medium |
| WO2021004453A1 (en) * | 2019-07-08 | 2021-01-14 | 青岛海尔空调器有限总公司 | Air conditioner and control method therefor |
| CN112682901A (en) * | 2020-12-25 | 2021-04-20 | 四川长虹空调有限公司 | Control method of variable frequency air conditioner with humidity sensor |
| CN112880122A (en) * | 2021-01-29 | 2021-06-01 | 广东积微科技有限公司 | Control method for lower limit of refrigeration humidity of air pipe type air conditioner |
| CN112944642A (en) * | 2021-01-29 | 2021-06-11 | 青岛海尔空调器有限总公司 | Method and device for anti-condensation control and air conditioner |
| CN113847694A (en) * | 2021-10-22 | 2021-12-28 | 海信（广东）空调有限公司 | Air conditioner, control method thereof, and computer-readable storage medium |
| CN113932410A (en) * | 2021-09-26 | 2022-01-14 | 青岛海尔空调器有限总公司 | Air conditioner control method and device and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021004453A1 (en) * | 2019-07-08 | 2021-01-14 | 青岛海尔空调器有限总公司 | Air conditioner and control method therefor |
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| CN112682901A (en) * | 2020-12-25 | 2021-04-20 | 四川长虹空调有限公司 | Control method of variable frequency air conditioner with humidity sensor |
| CN112880122A (en) * | 2021-01-29 | 2021-06-01 | 广东积微科技有限公司 | Control method for lower limit of refrigeration humidity of air pipe type air conditioner |
| CN112944642A (en) * | 2021-01-29 | 2021-06-11 | 青岛海尔空调器有限总公司 | Method and device for anti-condensation control and air conditioner |
| CN113932410A (en) * | 2021-09-26 | 2022-01-14 | 青岛海尔空调器有限总公司 | Air conditioner control method and device and air conditioner |
| WO2023045324A1 (en) * | 2021-09-26 | 2023-03-30 | 青岛海尔空调器有限总公司 | Air conditioner control method and control device, and air conditioner |
| CN113847694A (en) * | 2021-10-22 | 2021-12-28 | 海信（广东）空调有限公司 | Air conditioner, control method thereof, and computer-readable storage medium |
| WO2023066315A1 (en) * | 2021-10-22 | 2023-04-27 | 海信（广东）空调有限公司 | Air conditioner, and control method for air conditioner |
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