CN110513812A - A kind of air conditioning control method and air conditioner - Google Patents
A kind of air conditioning control method and air conditioner Download PDFInfo
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- CN110513812A CN110513812A CN201810496496.4A CN201810496496A CN110513812A CN 110513812 A CN110513812 A CN 110513812A CN 201810496496 A CN201810496496 A CN 201810496496A CN 110513812 A CN110513812 A CN 110513812A
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- temperature
- outdoor machine
- outdoor
- revolving speed
- machine fan
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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
-
- 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
- F24F11/88—Electrical aspects, e.g. 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
- F24F2110/10—Temperature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of air conditioning control methods.A kind of air conditioning control method of the present invention includes the following steps: to obtain current outdoor machine temperature；Judge whether current outdoor machine temperature is more than given threshold, if current outdoor machine temperature is more than given threshold, reduces compressor frequency, and according to current outdoor machine temperature, improve outdoor machine fan revolving speed.The present invention also provides a kind of air conditioner, a kind of air conditioner provided by the present invention can execute above-mentioned air conditioning control method.The working frequency that a kind of air conditioning control method of the present invention passes through reduction compressor, the revolving speed for improving outdoor machine fan simultaneously, can reduce the temperature of outdoor unit, simultaneously because making the heat dissipation of compressor improves, the refrigeration effect of air-conditioning is further improved, the service life of compressor is extended.
Description
Technical field
The present invention relates to airconditioning control fields, more particularly to a kind of air conditioning control method and air conditioner.
Background technique
Existing market major part air-conditioning is mounted in shutter, and heat dissipation effect is poor in shutter, in summer outdoor high temperature,
It is even more that will form hot environment in shutter, under this hot environment, the condenser of air-conditioning will appear heat exchange deficiency, be easy to produce
Raw refrigeration is bad or even shuts down.Under high temperature environment, when the temperature is excessively high, compressor can automatic starting protection, stop working.To keep away
It is impaired to exempt from compressor, while guaranteeing air conditioner electronic element normal use, prevents high pressure from shutting down, existing air-conditioning technical mostly uses low
Frequency running protection reduces the operating frequency of compressor that is, when outdoor temperature is excessively high, while can also reduce the wind of air-conditioner outdoor unit
Revolving speed is fanned, the corresponding low outdoor machine fan revolving speed of low frequency is unfavorable for exchanging heat, and keeps condenser pressure excessively high, compressor load is increased,
Increase power consumption.
Summary of the invention
Based on this, the object of the present invention is to provide a kind of air conditioning control method and air conditioners, in outdoor unit high temperature,
Frequency of air condition compressor is reduced, meanwhile, outdoor machine fan revolving speed is improved according to outdoor unit temperature, keeps the outdoor unit of air-conditioning better
Heat dissipation, avoids compressor hot operation impaired or high pressure is shut down.
The present invention is achieved by the following scheme:
A kind of air conditioning control method, includes the following steps:
Obtain current outdoor machine temperature；
Judge whether current outdoor machine temperature is more than given threshold, if current outdoor machine temperature is more than given threshold, drops
Low compressor frequency, and according to current outdoor machine temperature, improve outdoor machine fan revolving speed.
A kind of air conditioning control method of the present invention reduces frequency of air condition compressor in outdoor unit high temperature, meanwhile,
Outdoor machine fan revolving speed is improved according to outdoor unit temperature, so that the outdoor unit of air-conditioning is preferably radiated, avoids compressor hot operation
Impaired or high pressure is shut down.
Further, further include following steps: compressor frequency being divided into several sections, each section corresponds to different
Outdoor machine fan revolving speed, the higher section of frequency, corresponding outdoor machine fan revolving speed are higher；According to current outdoor machine temperature, mention
High outdoor machine fan revolving speed, comprising: improve the corresponding outdoor machine fan revolving speed in compressor frequency section.
Further, according to current outdoor machine temperature, outdoor machine fan revolving speed is improved, comprising: according to outdoor unit temperature control
Outdoor machine fan revolving speed processed increases the revolving speed of outdoor machine fan according to the increase of outdoor temperature.
Further, increased outdoor according to machine rotation speed of the fan outside outdoor unit temperature-controlled chamber according to the increase of outdoor temperature
The revolving speed of machine fan, comprising:
Outdoor unit temperature is divided into several sections, each section corresponds to different outdoor machine fan revolving speeds, outdoor unit temperature
Higher section is spent, corresponding outdoor machine fan revolving speed is higher.
Further, the outdoor unit temperature is condenser suction temperature and/or condensator outlet temperature.
Further, outdoor machine fan motor temperature is obtained；Judge whether outdoor machine fan motor temperature is more than setting threshold
Value reduces outdoor machine fan revolving speed if outdoor machine fan motor temperature is more than given threshold.
The runing time of fan motor at high temperature under high pressure is reduced, the service life of fan motor is extended.
Further, the present invention also provides a kind of readable storage medium, control program is stored thereon, the control program quilt
Processor realizes any one above-mentioned air conditioning control method when executing.
Further, the present invention also provides a kind of air conditioner, including temperature sensor and controller, the temperature sensors
For obtaining current outdoor machine temperature；The controller is for executing such as any one above-mentioned air conditioning control method.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is an embodiment of the present invention flow chart；
Fig. 2 is compressor frequency schematic diagram corresponding with outdoor machine fan revolving speed in an embodiment of the present invention；
Fig. 3 is outdoor unit temperature schematic diagram corresponding with outdoor machine fan revolving speed in an embodiment of the present invention；
Fig. 4 is the air condition of that present invention structural block diagram.
Specific embodiment
As shown in FIG. 1, FIG. 1 is the flow chart of an embodiment of the present invention air conditioning control method, which is suitable for
Various types of other convertible frequency air-conditioner, is particularly under hot operation state, the air-conditioning that external environment radiates in bad shutter.
In step 10, current outdoor machine temperature is obtained.
The outdoor unit of air-conditioning is otherwise known as host, the main component of air conditioner refrigerating or heating include compressor, condenser and
Capillary is all in outdoor unit, and therefore, the operating temperature of environment temperature locating for outdoor unit and outdoor unit is excessively high will to be influenced to press
In the normal work and use service life of contracting machine and condenser, in the present embodiment, the current outdoor machine temperature of acquisition is returning for condenser
The outlet temperature of temperature degree or condenser is also possible to obtain the suction temperature and condenser of condenser in other embodiments
Outlet temperature, and carry out comprehensive descision；Wherein, when the suction temperature of condenser is too high, the delivery temperature of condenser also can be very
Height, compressor are easy to appear overheating protection.
In step 20, judge whether current outdoor machine temperature is more than given threshold, if current outdoor machine temperature is more than to set
Determine threshold value, then reduce compressor frequency, and according to current outdoor machine temperature, improves outdoor machine fan revolving speed.
High temperature protection threshold value is pre-set inside air-conditioner controller, by acquired outdoor unit temperature and given threshold
Compare, if being more than given threshold, judges that air-conditioning needs to enter high temperature protection mode, wherein reducing compressor frequency facilitates
The operating temperature of compressor is reduced, the amplitude that compressor frequency reduces can be fixed value, can also carry out according to the outdoor temperature difference comprehensive
Judgement is closed, when indoor/outdoor temperature-difference is larger, compressor frequency can be greatly reduced, when indoor/outdoor temperature-difference is smaller, can drop by a small margin
Low compressor frequency guarantees indoor refrigerating efficiency；When reducing compressor frequency, outdoor machine fan revolving speed is not controlled with tradition
Mode processed equally follows compressor frequency to decline, but can increase.
In one embodiment, the control planning between the compressor frequency of air-conditioning and outdoor machine fan revolving speed are as follows:
Compressor frequency is divided into several sections, each section corresponds to different outdoor machine fan revolving speeds, and frequency is higher
Section, corresponding outdoor machine fan revolving speed is higher to be divided into several sections for compressor frequency, and each section corresponds to different
Outdoor machine fan revolving speed, the higher section of frequency, corresponding outdoor machine fan revolving speed are higher.
As shown in Fig. 2, preset compressor frequency values A1, A2, A3 and A4, wherein A1 < A2 < A3 < A4 presets outdoor unit wind
Fan tachometer value R1, R2, R3 and R4, wherein R1 < R2 < R3 < R4.Air-conditioning is not entering into high temperature protection, is in normal operating condition
When, compressor frequency is less than A1, and corresponding outdoor machine fan revolving speed is R1, and compressor frequency is greater than A1, corresponding outdoor when being less than A2
Machine rotation speed of the fan is R2, and compressor frequency is greater than A2, and when being less than A3, corresponding outdoor machine fan revolving speed is R3, and compressor frequency is big
In A3, when being less than A4, corresponding outdoor machine fan revolving speed is R4.
Continue as shown in Fig. 2, default outdoor machine fan tachometer value R1 ', R2 ', R3 ' and R4 ', wherein R1 ' < R2 ' < R3 ' <
R4 ', and R1 ' > R1, R2 ' > R2, R3 ' > R3, R4 ' > R4.When the temperature of detection of air-conditioning to outdoor unit is more than given threshold, judgement
Air-conditioning is in hot operation state, and air-conditioning enters high temperature protection mode, improves the corresponding outdoor machine fan in compressor frequency section
Revolving speed, specifically, the corresponding relationship of compressor frequency and outdoor machine fan revolving speed is modified are as follows: compressor frequency is less than A1, right
Answering outdoor machine fan revolving speed is R1 ', and compressor frequency is greater than A1, and when being less than A2, corresponding outdoor machine fan revolving speed is R2 ', compression
Unit frequency is greater than A2, and when being less than A3, corresponding outdoor machine fan revolving speed is R3 ', and compressor frequency is greater than A3, corresponding when being less than A4
Outdoor machine fan revolving speed is R4 '；For example, current compressor of air conditioner is in high frequency operating status, frequency is in A3 and the section A4,
Outdoor machine fan revolving speed is R4, is more than given threshold in the temperature for detecting outdoor unit, judges that air-conditioning is in hot operation state,
Into high temperature protection mode, and when the outer temperature difference of current indoor is larger, compressor frequency is down in the section between A1 and A2,
Outdoor machine fan revolving speed is no longer R2 at this time, but rises to R2 ' from R2, if indoor/outdoor temperature-difference is little, compressor frequency may be used also
Being declined in the section of A3 and A4, outdoor machine fan revolving speed rises to R4 ' from R4 at this time.
In other embodiments, outdoor machine fan tachometer value R1 ', R2 ', R3 ' and R4 ' can also be set according to outdoor temperature
Fixed different numerical value, outdoor temperature is higher, and corresponding outdoor machine fan revolving speed is bigger, and heat dissipation effect is better.
In one embodiment, when the temperature of detection of air-conditioning to outdoor unit is more than given threshold, judge that air-conditioning is in height
Warm operating status, after air-conditioning enters high temperature protection mode, the revolving speed of outdoor machine fan no longer with the frequency association of compressor, but
It is associated with the temperature of outdoor unit, according to the increase of outdoor temperature, increase the revolving speed of outdoor machine fan, associated mode can be
Linear, i.e. the revolving speed of outdoor machine fan and the linear proportionate relationship of the temperature of outdoor unit, the temperature of outdoor unit is higher, outdoor unit
Rotation speed of the fan is higher, can also be curve corresponding relationship, in the present embodiment, outdoor unit temperature is divided into several sections, often
A section corresponds to different outdoor machine fan revolving speeds, the higher section of outdoor unit temperature, and corresponding outdoor machine fan revolving speed is higher.
As shown in figure 3, default outdoor temp angle value T1, T2, T3 and T4, wherein T1 < T2 < T3 < T4, and T1 is greater than setting threshold
Value presets outdoor machine fan tachometer value R5, R6, R7 and R8, wherein R1 < R2 < R3 < R4.Air-conditioning is being greater than given threshold, enters
After high temperature protection state, if outdoor temperature is less than T1, corresponding outdoor machine fan revolving speed is that R5 is less than if outdoor temperature is greater than T1
T2, corresponding outdoor machine fan revolving speed is R6, if outdoor temperature is greater than T2, is less than T3, corresponding outdoor machine fan revolving speed is R7, if room
Outer temperature is greater than T3, is less than T4, and corresponding outdoor machine fan revolving speed is R8.
In the present embodiment, air-conditioning enter high temperature protection, reduce compressor frequency after, the revolving speed of outdoor machine fan not with
The frequency of compressor is reduced and is reduced, but controls revolving speed according to outdoor temperature.
In the above-described embodiments, compressor frequency is being reduced, after increasing outdoor machine fan revolving speed, fan motor is in high temperature height
Continuous high frequency is run under pressure ring border, can reduce service life, therefore, in one embodiment, air conditioning control method of the present invention is also
Include the following steps:
Obtain outdoor machine fan motor temperature；
Judge whether outdoor machine fan motor temperature is more than given threshold, if outdoor machine fan motor temperature is more than setting threshold
Value, then reduce outdoor machine fan revolving speed.
Outdoor machine fan is driven by motor, and in the present embodiment, motor temperature is the motor bearing temperature of outdoor machine fan,
It can be popped one's head in and be detected by ordinary temp, the threshold value of motor bearing temperature is set in air-conditioner controller in advance, if outdoor machine fan
Motor temperature is more than given threshold, then judges that outdoor machine fan is in high temperature protection state, need to reduce outdoor machine fan revolving speed, with
Reduce motor temperature.Further, high temperature outage threshold can also be further set, when detect fan motor temperature be more than height
When warm outage threshold, air-conditioner controller sends instruction, keeps air-conditioning out of service.
A kind of air conditioning control method provided by the present invention is more than in the suction temperature for detecting condenser for outdoor unit of air conditioner
After given threshold, the working frequency of compressor is reduced, while improving the revolving speed of outdoor machine fan, the temperature of outdoor unit can be reduced,
Simultaneously because making the heat dissipation of compressor improves, the refrigeration effect of air-conditioning is further improved, extends the service life of compressor, together
When, to the temperature protection of outdoor machine fan motor, also extend the service life of outdoor machine fan.
The present invention also provides a kind of air conditioners, as shown in figure 4, including reservoir, processor and being stored in the storage
In device and the control program that can be executed by the processor, further include detection condenser suction temperature, condensator outlet temperature and
The temperature sensor of outdoor unit fan motor temperature is detected, processor is realized when executing the control program as any one is above-mentioned
A kind of air conditioning control method of embodiment.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (8)
1. a kind of air conditioning control method, which comprises the steps of:
Obtain current outdoor machine temperature；
Judge whether current outdoor machine temperature is more than given threshold, if current outdoor machine temperature is more than given threshold, reduces pressure
Contracting unit frequency, and according to current outdoor machine temperature, improve outdoor machine fan revolving speed.
2. a kind of air conditioning control method according to claim 1, which is characterized in that further include following steps:
Compressor frequency is divided into several sections, each section corresponds to different outdoor machine fan revolving speeds, the higher area of frequency
Between, corresponding outdoor machine fan revolving speed is higher；
According to current outdoor machine temperature, outdoor machine fan revolving speed is improved, comprising:
Improve the corresponding outdoor machine fan revolving speed in compressor frequency section.
3. a kind of air conditioning control method according to claim 1, which is characterized in that according to current outdoor machine temperature, improve
Outdoor machine fan revolving speed, comprising:
The revolving speed of outdoor machine fan is increased according to the increase of outdoor temperature according to machine rotation speed of the fan outside outdoor unit temperature-controlled chamber.
4. a kind of air conditioning control method according to claim 3, which is characterized in that according to machine outside outdoor unit temperature-controlled chamber
Rotation speed of the fan increases the revolving speed of outdoor machine fan according to the increase of outdoor temperature, comprising:
Outdoor unit temperature is divided into several sections, each section corresponds to different outdoor machine fan revolving speeds, and outdoor unit temperature is got over
High section, corresponding outdoor machine fan revolving speed are higher.
5. according to claim 1 to any one air conditioning control method described in 4, it is characterised in that:
The outdoor unit temperature is condenser suction temperature and/or condensator outlet temperature.
6. according to claim 1 to any one air conditioning control method described in 4, which is characterized in that further include following steps:
Obtain outdoor machine fan motor temperature；
Judge whether outdoor machine fan motor temperature is more than given threshold, if outdoor machine fan motor temperature is more than given threshold,
Then reduce outdoor machine fan revolving speed.
7. a kind of readable storage medium, stores control program thereon, it is characterised in that: when the control program is executed by processor
Realize any one air conditioning control method as described in claim 1 to 6.
8. a kind of air conditioner, including temperature sensor and controller, it is characterised in that:
The temperature sensor is for obtaining current outdoor machine temperature；
The controller is used to execute any one air conditioning control method as described in claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810496496.4A CN110513812A (en) | 2018-05-22 | 2018-05-22 | A kind of air conditioning control method and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810496496.4A CN110513812A (en) | 2018-05-22 | 2018-05-22 | A kind of air conditioning control method and air conditioner |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023413A (en) * | 2019-12-18 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN111397140A (en) * | 2020-04-14 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN112032968A (en) * | 2020-08-27 | 2020-12-04 | 海信（山东）空调有限公司 | Air conditioner, method of controlling the same, and computer-readable storage medium |
| CN114353257A (en) * | 2022-01-26 | 2022-04-15 | 安徽奥克斯智能电气有限公司 | Overshoot prevention protection method and device and air conditioner |
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| CN111023413A (en) * | 2019-12-18 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
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| CN112032968B (en) * | 2020-08-27 | 2022-06-03 | 海信（山东）空调有限公司 | Air conditioner, method of controlling the same, and computer-readable storage medium |
| CN114353257A (en) * | 2022-01-26 | 2022-04-15 | 安徽奥克斯智能电气有限公司 | Overshoot prevention protection method and device and air conditioner |
| CN114353257B (en) * | 2022-01-26 | 2023-10-20 | 安徽奥克斯智能电气有限公司 | Overshoot protection method and device and air conditioner |
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