CN110068119A - A kind of dynamic frequency-conversion method and device of compressor of air conditioner - Google Patents
A kind of dynamic frequency-conversion method and device of compressor of air conditioner Download PDFInfo
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- CN110068119A CN110068119A CN201910323063.3A CN201910323063A CN110068119A CN 110068119 A CN110068119 A CN 110068119A CN 201910323063 A CN201910323063 A CN 201910323063A CN 110068119 A CN110068119 A CN 110068119A
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- compressor
- frequency
- room temperature
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- target temperature
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims abstract description 63
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air condition compressor technology fields, and in particular to a kind of dynamic frequency-conversion method and device of compressor of air conditioner obtains room temperature and target temperature, and receive refrigeration mode set by user after air-conditioning booting；When receiving refrigeration mode set by user is fast-refrigerating, the compressor starts are run with highest frequency；When the difference of room temperature and target temperature reaches first threshold, the running frequency of the compressor is gradually reduced；When room temperature reaches target temperature, the compressor starts are run with low-limit frequency；When receiving refrigeration mode set by user is common refrigeration, the running frequency of the compressor is stepped up, until reaching target frequency；When room temperature reaches target temperature, the compressor maintains to run with target frequency, and larger fluctuation can occur to avoid room temperature in the present invention, reduces energy waste.
Description
Technical field
The present invention relates to air condition compressor technology fields, and in particular to a kind of the dynamic frequency-conversion method and dress of compressor of air conditioner
It sets.
Background technique
Convertible frequency air-conditioner can control compressor according to user's set temperature and operate in high frequency or low frequency, both be able to satisfy big refrigeration
Heating capacity demand, and it is able to satisfy the demand of low frequency energy-saving.
Currently, convertible frequency air-conditioner on the market refers to that refrigeration compressor can carry out variable speed automatically, it can be according to room
Situation automatically provides required cold (heat) amount.After powering, compressor is first operated with maximum frequency this air-conditioning, so that indoor
It is rapidly reached desired temperature.After room temperature reaches desired value, compressor is then to be able to maintain the constant target of this temperature
Frequency run is realized " not shutting down operating ", to guarantee the stabilization of environment temperature.
But it is more than desired value that this conversion system, which is easy to cause room temperature, it is steady that compressor also needs further frequency conversion
Surely desired temperature is arrived, larger fluctuation occurs so as to cause room temperature, compressor can also waste the excessive adjusting of room temperature
The energy.
Summary of the invention
The purpose of the present invention is to provide a kind of dynamic frequency-conversion method and devices of compressor of air conditioner, it is intended to avoid Indoor Temperature
There is larger fluctuation in degree, reduces energy waste.
To achieve the goals above, the present invention the following technical schemes are provided:
A kind of dynamic frequency-conversion method of compressor of air conditioner, comprising the following steps:
Room temperature and target temperature are obtained, and receives refrigeration mode set by user；
Wherein, the refrigeration mode includes fast-refrigerating and common refrigeration；The fast-refrigerating is in time threshold range
Inside reach target temperature, the common refrigeration is to gradually reduce the room temperature until reaching target temperature；
When receiving refrigeration mode set by user is fast-refrigerating, following steps are executed:
The compressor starts are run with highest frequency；
When the difference of room temperature and target temperature reaches first threshold, the operation frequency of the compressor is gradually reduced
Rate；
When room temperature reaches target temperature, the compressor starts are run with low-limit frequency；
When receiving refrigeration mode set by user is common refrigeration, following steps are executed:
The running frequency of the compressor is stepped up, until reaching target frequency；
When room temperature reaches target temperature, the compressor maintains to run with target frequency.
Further, described when the difference of room temperature and target temperature reaches first threshold, gradually reduce the compression
The running frequency of machine is calculated with specific reference to following formula:
F (t+1)=f (t)-m Δ T (t+1)
Wherein, Δ T (t+1)≤Δ T, Δ T (t+1) are the difference of room temperature and target temperature, and Δ T is first threshold, m
For constant, m ∈ [1,10].
Further, described when receiving refrigeration mode set by user is common refrigeration, the running frequency of the compressor
It is stepped up, is calculated until reaching target frequency with specific reference to following formula:
Wherein, f0For the original frequency of compressor operation, f0∈[30Hz,45Hz]；f(t+1)≤fg, fgFor target frequency.
A kind of dynamic frequency converter of compressor of air conditioner, comprising:
Monitoring modular for obtaining room temperature and target temperature, and receives refrigeration mode set by user；
Wherein, the refrigeration mode includes fast-refrigerating and common refrigeration；The fast-refrigerating is in time threshold range
Inside reach target temperature, the common refrigeration is to gradually reduce the room temperature until reaching target temperature；
Control module, for executing following steps when receiving refrigeration mode set by user is fast-refrigerating:
The compressor starts are run with highest frequency；
When the difference of room temperature and target temperature reaches first threshold, the operation frequency of the compressor is gradually reduced
Rate；
When room temperature reaches target temperature, the compressor starts are run with low-limit frequency；
When receiving refrigeration mode set by user is common refrigeration, following steps are executed:
The running frequency of the compressor is stepped up, until reaching target frequency；
When room temperature reaches target temperature, the compressor maintains to run with target frequency.
Further, described when the difference of room temperature and target temperature reaches first threshold, gradually reduce the compression
The running frequency of machine is calculated with specific reference to following formula:
F (t+1)=f (t)-m Δ T (t+1)
Wherein, Δ T (t+1)≤Δ T, Δ T (t+1) are the difference of room temperature and target temperature, and Δ T is first threshold, m
For constant, m ∈ [1,10].
Further, described when receiving refrigeration mode set by user is common refrigeration, the running frequency of the compressor
It is stepped up, is calculated until reaching target frequency with specific reference to following formula:
Wherein, f0For the original frequency of compressor operation, f0∈[30Hz,45Hz]；f(t+1)≤fg, fgFor target frequency.
The beneficial effects of the present invention are: the present invention discloses a kind of dynamic frequency-conversion method and device of compressor of air conditioner, in sky
After tuning to open machine, room temperature and target temperature are obtained, and receive refrigeration mode set by user；When reception refrigeration set by user
When mode is fast-refrigerating, the compressor starts are run with highest frequency；When the difference of room temperature and target temperature reaches
When first threshold, the running frequency of the compressor is gradually reduced；When room temperature reaches target temperature, the compressor starts
It is run with low-limit frequency；When receiving refrigeration mode set by user is common refrigeration, the running frequency of the compressor is gradually
Increase, until reaching target frequency；When room temperature reaches target temperature, the compressor maintains to run with target frequency,
Larger fluctuation can occur to avoid room temperature in the present invention, reduce energy waste.
Detailed description of the invention
The invention will be further described with example with reference to the accompanying drawing.
Fig. 1 is a kind of flow diagram of the dynamic frequency-conversion method of compressor of air conditioner of the embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of the dynamic frequency converter of compressor of air conditioner of the embodiment of the present invention.
Specific embodiment
Clear, complete description is carried out to technical solution of the present invention below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel are obtained without making creative work so other embodiments, belong to protection scope of the present invention.
With reference to Fig. 1, a kind of dynamic frequency-conversion method of compressor of air conditioner provided in an embodiment of the present invention, comprising the following steps:
Step S100, room temperature and target temperature are obtained, and receives refrigeration mode set by user.
Wherein, the refrigeration mode includes fast-refrigerating and common refrigeration；The fast-refrigerating is in time threshold range
Inside reach target temperature, the common refrigeration is to gradually reduce the room temperature until reaching target temperature；
Step S200, judge refrigeration mode set by user, if the refrigeration mode is fast-refrigerating, execute step
S300 executes step S600 if the refrigeration mode is common refrigeration.
Step S300, the described compressor starts are run with highest frequency, until room temperature and the difference of target temperature reach
To first threshold.
Step S400, the running frequency of the compressor is gradually reduced, until room temperature reaches target temperature.
Step S500, the described compressor starts are run with low-limit frequency；
Step S600, the running frequency of the described compressor is stepped up, until reaching target frequency.
Step S700, when room temperature reaches target temperature, the compressor maintains to run with target frequency.
In the present embodiment, smooth excessiveness is carried out by the running frequency to compressor, when being up to target temperature shortly, into
Row is expected to be adjusted, and be can effectively avoid the excessive adjusting to room temperature, is avoided the waste of the energy.
As further improvement of this embodiment, the step S400 is calculated with specific reference to following formula:
F (t+1)=f (t)-m Δ T (t+1)
Wherein, Δ T (t+1)≤Δ T, Δ T (t+1) are the difference of room temperature and target temperature, and Δ T is first threshold, m
For constant, m ∈ [1,10].
As further improvement of this embodiment, the step S600 is calculated with specific reference to following formula:
Wherein, f0For the original frequency of compressor operation, f0∈[30Hz,45Hz]；f(t+1)≤fg, fgFor target frequency.
The embodiment of the present invention also provides a kind of dynamic frequency converter of compressor of air conditioner, comprising:
Monitoring modular 100 for obtaining room temperature and target temperature, and receives refrigeration mode set by user；
Wherein, the refrigeration mode includes fast-refrigerating and common refrigeration；The fast-refrigerating is in time threshold range
Inside reach target temperature, the common refrigeration is to gradually reduce the room temperature until reaching target temperature；
Control module 200, for executing following steps when receiving refrigeration mode set by user is fast-refrigerating:
The compressor starts are run with highest frequency；
When the difference of room temperature and target temperature reaches first threshold, the operation frequency of the compressor is gradually reduced
Rate；
When room temperature reaches target temperature, the compressor starts are run with low-limit frequency；
When receiving refrigeration mode set by user is common refrigeration, following steps are executed:
The running frequency of the compressor is stepped up, until reaching target frequency；
When room temperature reaches target temperature, the compressor maintains to run with target frequency.
It is described when the difference of room temperature and target temperature reaches first threshold as further improvement of this embodiment
When, the running frequency for gradually reducing the compressor is calculated with specific reference to following formula:
F (t+1)=f (t)-m Δ T (t+1)
Wherein, Δ T (t+1)≤Δ T, Δ T (t+1) are the difference of room temperature and target temperature, and Δ T is first threshold, m
For constant, m ∈ [1,10].
It is described when receiving refrigeration mode set by user is common refrigeration as further improvement of this embodiment, institute
The running frequency for stating compressor is stepped up, and is calculated until reaching target frequency with specific reference to following formula:
Wherein, f0For the original frequency of compressor operation, f0∈[30Hz,45Hz]；f(t+1)≤fg, fgFor target frequency.
Although the description of the disclosure is quite detailed and especially several embodiments are described, it is not
Any of these details or embodiment or any specific embodiments are intended to be limited to, but should be considered as is by reference to appended
A possibility that claim provides broad sense in view of the prior art for these claims explanation, to effectively cover the disclosure
Preset range.In addition, the disclosure is described with inventor's foreseeable embodiment above, its purpose is to be provided with
Description, and those equivalent modifications that the disclosure can be still represented to the unsubstantiality change of the disclosure still unforeseen at present.
Claims (6)
1. a kind of dynamic frequency-conversion method of compressor of air conditioner, which comprises the following steps:
Room temperature and target temperature are obtained, and receives refrigeration mode set by user；
Wherein, the refrigeration mode includes fast-refrigerating and common refrigeration；The fast-refrigerating is to reach within the scope of time threshold
To target temperature, the common refrigeration is to gradually reduce the room temperature until reaching target temperature；
When receiving refrigeration mode set by user is fast-refrigerating, following steps are executed:
The compressor starts are run with highest frequency；
When the difference of room temperature and target temperature reaches first threshold, the running frequency of the compressor is gradually reduced；
When room temperature reaches target temperature, the compressor starts are run with low-limit frequency；
When receiving refrigeration mode set by user is common refrigeration, following steps are executed:
The running frequency of the compressor is stepped up, until reaching target frequency；
When room temperature reaches target temperature, the compressor maintains to run with target frequency.
2. a kind of dynamic frequency-conversion method of compressor of air conditioner according to claim 1, which is characterized in that described to work as Indoor Temperature
When the difference of degree and target temperature reaches first threshold, the running frequency of the compressor is gradually reduced with specific reference to following formula
It calculates:
F (t+1)=f (t)-m Δ T (t+1)
Wherein, Δ T (t+1)≤Δ T, Δ T (t+1) are the difference of room temperature and target temperature, and Δ T is first threshold, and m is normal
Number, m ∈ [1,10].
3. a kind of dynamic frequency-conversion method of compressor of air conditioner according to claim 1, which is characterized in that described when reception is used
When the refrigeration mode that family is set is common refrigeration, the running frequency of the compressor is stepped up, until reaching target frequency tool
Body calculates according to the following formula:
Wherein, f0For the original frequency of compressor operation, f0∈[30Hz,45Hz]；f(t+1)≤fg, fgFor target frequency.
4. a kind of dynamic frequency converter of compressor of air conditioner characterized by comprising
Monitoring modular for obtaining room temperature and target temperature, and receives refrigeration mode set by user；
Wherein, the refrigeration mode includes fast-refrigerating and common refrigeration；The fast-refrigerating is to reach within the scope of time threshold
To target temperature, the common refrigeration is to gradually reduce the room temperature until reaching target temperature；
Control module, for executing following steps when receiving refrigeration mode set by user is fast-refrigerating:
The compressor starts are run with highest frequency；
When the difference of room temperature and target temperature reaches first threshold, the running frequency of the compressor is gradually reduced；
When room temperature reaches target temperature, the compressor starts are run with low-limit frequency；
When receiving refrigeration mode set by user is common refrigeration, following steps are executed:
The running frequency of the compressor is stepped up, until reaching target frequency；
When room temperature reaches target temperature, the compressor maintains to run with target frequency.
5. a kind of dynamic frequency converter of compressor of air conditioner according to claim 4, which is characterized in that described to work as Indoor Temperature
When the difference of degree and target temperature reaches first threshold, the running frequency of the compressor is gradually reduced with specific reference to following formula
It calculates:
F (t+1)=f (t)-m Δ T (t+1)
Wherein, Δ T (t+1)≤Δ T, Δ T (t+1) are the difference of room temperature and target temperature, and Δ T is first threshold, and m is normal
Number, m ∈ [1,10].
6. a kind of dynamic frequency converter of compressor of air conditioner according to claim 4, which is characterized in that described when reception is used
When the refrigeration mode that family is set is common refrigeration, the running frequency of the compressor is stepped up, until reaching target frequency tool
Body calculates according to the following formula:
Wherein, f0For the original frequency of compressor operation, f0∈[30Hz,45Hz]；f(t+1)≤fg, fgFor target frequency.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910323063.3A CN110068119B (en) | 2019-04-22 | 2019-04-22 | Dynamic frequency conversion method and device for air conditioner compressor |
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| CN201910323063.3A CN110068119B (en) | 2019-04-22 | 2019-04-22 | Dynamic frequency conversion method and device for air conditioner compressor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513841A (en) * | 2019-08-23 | 2019-11-29 | 海信家电集团股份有限公司 | A kind of air-conditioning and air-conditioning clean method |
| CN110594994A (en) * | 2019-09-10 | 2019-12-20 | 宁波奥克斯电气股份有限公司 | Control method and control device for heating and temperature control mode of air conditioner and air conditioner |
| CN110762795A (en) * | 2019-10-31 | 2020-02-07 | 广东美的制冷设备有限公司 | Air conditioner operation method, operation device, air conditioner and readable storage medium |
| CN112728731A (en) * | 2020-12-07 | 2021-04-30 | 珠海格力电器股份有限公司 | Air conditioner, intelligent temperature control method, controller, storage medium, terminal and application |
| CN113915756A (en) * | 2020-07-08 | 2022-01-11 | 广东美的制冷设备有限公司 | Refrigeration operation control method of air conditioner, air conditioner and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110513841A (en) * | 2019-08-23 | 2019-11-29 | 海信家电集团股份有限公司 | A kind of air-conditioning and air-conditioning clean method |
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| CN113915756A (en) * | 2020-07-08 | 2022-01-11 | 广东美的制冷设备有限公司 | Refrigeration operation control method of air conditioner, air conditioner and readable storage medium |
| CN113915756B (en) * | 2020-07-08 | 2023-03-31 | 广东美的制冷设备有限公司 | Refrigeration operation control method of air conditioner, air conditioner and readable storage medium |
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Denomination of invention: A dynamic frequency conversion method and device for air conditioning compressor Effective date of registration: 20230220 Granted publication date: 20210409 Pledgee: Industrial and Commercial Bank of China Limited Foshan Beijiao sub branch Pledgor: GUANGDONG MBO REFRIGERATION EQUIPMENT Co.,Ltd. Registration number: Y2023980032929 |
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Address after: 528329, No. 1 Junkai Road, Phase III, Changxing Industrial Park, Jun'an Community, Jun'an Town, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG MBO REFRIGERATION EQUIPMENT Co.,Ltd. Country or region after: China Address before: 528000 No.3, 18 Longwei Road, Xiyong village committee, Lunjiao sub district office, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG MBO REFRIGERATION EQUIPMENT Co.,Ltd. Country or region before: China |