CN105805892B - A kind of air-conditioning heating control method - Google Patents
A kind of air-conditioning heating control method Download PDFInfo
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- CN105805892B CN105805892B CN201610196765.6A CN201610196765A CN105805892B CN 105805892 B CN105805892 B CN 105805892B CN 201610196765 A CN201610196765 A CN 201610196765A CN 105805892 B CN105805892 B CN 105805892B
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- compressor
- air
- conditioning
- outdoor fan
- indoor
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0314—Temperature sensors near the indoor heat exchanger
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioning heating control methods, comprising the following steps: and a, air-conditioning are run in a heating mode, cycle detection indoor environment temperature, when indoor environment temperature reaches target temperature, compressor shutdown；B, indoor unit coil temperature T is detectedInner disc, by TInner discCompared with the first setting value T1, if TInner disc> T1, thens follow the steps c；C, four-way valve commutation switches to refrigeration mode, and compressor and outdoor fan are opened；D, cycle detection indoor unit coil temperature TInner disc, by TInner discCompared with the second setting value T2, if TInner disc< T2, thens follow the steps e；E, compressor and outdoor fan are shut down.Air-conditioning heating control method of the invention; after heating reaches target temperature shutdown; pass through the refrigerating operaton of air-conditioning; cool down to indoor unit coil pipe; indoor unit coil temperature is allowed to be consistently less than indoor environment temperature; it is possible to prevente effectively from influence of the indoor unit coil pipe to indoor environment temperature sensor, while air-conditioning blowout cool breeze is avoided, improve the comfort of air-conditioning.
Description
Technical field
The invention belongs to air conditioner controlling technology fields, specifically, being to be related to a kind of air-conditioning heating control method.
Background technique
Existing air-conditioning heating reaches temperature and shuts down there are mainly two types of control models:
1. indoor fan does not work, due to most air-conditioning indoor environments after air-conditioning heating reaches temperature stopping press
Temperature sensor is mounted on above indoor coil, and indoor environment temperature sensor will be influenced and nothing by indoor coil during being somebody's turn to do
Method detects the true temperature in room, and air-conditioning temperature control is caused to be failed.
After 2. air-conditioning heating reaches temperature stopping press, in order to avoid indoor environment temperature sensor is by the shadow of indoor coil
It rings, indoor unit is persistently dried, i.e., after dissipating the heat of indoor coil internal reservoir, just shut down indoor fan；Then after
Continuous measurement room temperature, after temperature is restarted in the temperature arrival of the time and temperature sensor detection that meet compressor shutdown protection, weight
New starting compressor heating operation, air, which sufficiently circulates to fail to avoid temperature control, to be occurred, but the wind of air-conditioning blowout is cool breeze, portion
User is divided to may experience discomfort sense, so as to cause customer complaint.
Summary of the invention
The present invention reaches existing temperature control failure or indoor unit after temperature is shut down to solve existing air-conditioning heating and continues
It dries the problem of bringing sense of discomfort to user, proposes a kind of air-conditioning heating control method, can solve the above problem.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following scheme:
A kind of air-conditioning heating control method, comprising the following steps:
A, air-conditioning is run in a heating mode, cycle detection indoor environment temperature, when indoor environment temperature reaches target temperature
When spending, compressor shutdown, indoor fan and outdoor fan are shut down；
B, indoor unit coil temperature T is detectedInner disc, by TInner discCompared with the first setting value T1, if TInner disc> T1, then execute step
Rapid c, wherein T1 is greater than 0；
C, four-way valve commutation switches to refrigeration mode, and compressor and outdoor fan are opened；
D, cycle detection indoor unit coil temperature TInner disc, by TInner discCompared with the second setting value T2, if TInner disc< T2, then hold
Otherwise row step e keeps the state in step c, wherein T2 is greater than 0；
E, compressor and outdoor fan are shut down.
It further, further include f, detection current indoor environment temperature, and it is opened into threshold value with heating after step e
The step of comparing, if current indoor environment temperature is less than heating and opens threshold value, four-way valve commutation switches to heating mode, presses
Contracting machine, indoor fan and outdoor fan are opened.
Further, in step f, if current indoor environment temperature is less than heating unlatching threshold value, distance step is first determined whether
Whether the compressor shutdown time meets the stoppage protection time in rapid e, if satisfied, then four-way valve commutation switches to heating mode, presses
Contracting machine, indoor fan and outdoor fan are opened, and otherwise wait for meeting the stoppage protection time executing four-way valve commutation and switching to
Heating mode, compressor, indoor fan and outdoor fan are opened.
It further, further include judging the compressor in step a before compressor and outdoor fan are opened in step c
Whether downtime meets the step of stoppage protection time, if meeting the stoppage protection time, just executes four-way valve commutation in step c
Refrigeration mode is switched to, compressor and outdoor fan are opened.
Further, the sequencing that compressor and outdoor fan are opened in step c is to first turn on compressor, compressor
Outdoor fan is opened after opening third setting time T3, wherein T3 is greater than 0.
Further, the sequencing that compressor and outdoor fan are shut down in step e is compressor shutdown first, compressor
Outdoor fan is shut down after shutting down the 4th setting time T4, wherein T4 is greater than 0.
Further, the first setting value T1=current indoor environment temperature TInner ring- K1, K1 are the constant greater than 0.
Further, the second setting value T2=current indoor environment temperature TInner ring- K2, K1 < K2.
Compared with prior art, the advantages and positive effects of the present invention are: air-conditioning heating control method of the invention, is making
After heat reaches target temperature shutdown, by the refrigerating operaton of air-conditioning, cools down to indoor unit coil pipe, indoor unit coil temperature is allowed to continue
Lower than indoor environment temperature, it is possible to prevente effectively from influence of the indoor unit coil pipe to indoor environment temperature sensor, is not necessarily to opening chamber
Inner blower avoids air-conditioning blowout cool breeze, improves the comfort of air-conditioning.
After the detailed description of embodiment of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more
Add clear.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of embodiment flow chart of air-conditioning heating control method proposed by the invention.
Specific embodiment
After reaching temperature stopping press based on current air-conditioning heating, if indoor fan does not work, indoor environment temperature sensing
Device will be influenced and can not be detected the true temperature in room by indoor coil, and air-conditioning temperature control is caused to be failed, if empty in order to prevent
The problem of temperature adjustment control failure, control continues starting indoor fan, will lead to air-conditioning and blow a cold wind over, bring bad body-sensing to user,
The invention proposes a kind of air-conditioning heating control methods, when air-conditioning is run in a heating mode, when indoor environment temperature reaches mesh
When marking temperature, then controls compressor, indoor fan, outdoor fan and shut down, while monitoring indoor unit coil temperature, work as indoor unit
When coil temperature is greater than certain threshold value, then it is determined as that the authenticity that will be detected to indoor environment temperature sensor impacts,
Four-way valve commutation is switched into refrigeration mode at this time, compressor is opened, and air-conditioning freezes at this time, cooling capacity machine coil pipe sent to the room
Cool down for it, since indoor fan is not turned on, uncomfortable body-sensing can be caused to avoid air-conditioning blowing cold air, while being interior
The cooling of machine coil pipe, which can be avoided indoor environment temperature sensor, to be influenced by indoor coil and can not detect the true of room
Temperature, cause air-conditioning temperature control fail the problem of.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one, as shown in Figure 1, the present embodiment proposes a kind of air-conditioning heating control method, comprising the following steps:
A, air-conditioning is run in a heating mode, cycle detection indoor environment temperature, when indoor environment temperature reaches target temperature
When spending, compressor shutdown, indoor fan and outdoor fan are shut down；This method is applied in a heating mode, because of if refrigeration mode
When the lower shutdown to temperature, general indoor fan can be opened with maintenance will not cause discomfort to user, therefore air-conditioning temperature is not present
The problem of control failure, only in a heating mode just opens heating, if compressor shutdown when generally environment temperature is lower indoors
Indoor fan continues if blowing afterwards, then the body-sensing of the wind blown out is cool breeze.
B, indoor unit coil temperature T is detectedInner disc, by TInner discCompared with the first setting value T1, if TInner disc> T1, then execute step
Rapid c, wherein T1 is greater than 0；When only machine coil temperature is greater than preset threshold value indoors, which is generally and current indoor ring
Temperature relevant value in border is just judged as that indoor unit coil pipe will detect indoor environment temperature sensor and impacts, otherwise, no
It will cause influence.
For example, the first setting value T1=current indoor environment temperature TInner ring- K1, K1 are the constant greater than 0.
C, four-way valve commutation switches to refrigeration mode, and compressor and outdoor fan are opened；Four-way valve commutation and compressor
It opens, air-conditioning really freezes, and refrigerant is logical in air-conditioning duct inner recirculation flow, unlike air-conditioning normal refrigerating mode, room
Inner blower is not turned on, and therefore, the transmitting in machine pipeline indoors of the cooling capacity of refrigerant only carries out partial cooling, when being circulated to indoor unit
When coil pipe, the cooling of indoor unit coil pipe mutually should be.In order to be protected for outdoor evaporator heat dissipation with reducing evaporator load pressure
Refrigerant pipe internal pressure force homeostasis is demonstrate,proved, therefore, it is necessary to open outdoor fan.
D, cycle detection indoor unit coil temperature TInner disc, by TInner discCompared with the second setting value T2, if TInner disc< T2, then hold
Otherwise row step e keeps the state in step c, wherein T2 is greater than 0；Refrigeration mode is opened when air-conditioning heating is shut down to temperature only
The running sub-steps for for the cooling of indoor unit coil pipe of heating control, can not for a long time, high-frequency freezes
Control, therefore, answers cycle detection indoor unit coil temperature in process of refrigerastion, once indoor unit coil temperature is lower than the threshold of setting
When value, it is believed that coil pipe no longer impacts indoor environment temperature sensor, can accordingly exit refrigeration control.
Only when the preset threshold value of the small Mr. Yu of indoor unit coil temperature, just it is judged as that indoor unit coil pipe will not be to indoor ring
Temperature sensor detection in border impacts, the threshold value generally value relevant to current indoor environment temperature, and the second setting value T2=
Current indoor environment temperature TInner ring- K2, K1 < K2.It should be noted that switching to the first setting value threshold value T1 of refrigeration mode
Unequal with the second setting value threshold value T2 for exiting refrigeration mode, T2 is less than T1, and such detour type curve can prevent temperature from existing
Near Threshold swing when frequent switching with exit, compressor can be effectively protected.
E, compressor and outdoor fan are shut down, and exit the mode of refrigeration control i.e. by shutting down compressor and outdoor fan
Mode.The air-conditioning heating control method of the present embodiment, after heating reaches target temperature shutdown, the refrigeration for passing through air-conditioning is transported
Row cools down to indoor unit coil pipe, allows indoor unit coil temperature to be consistently less than indoor environment temperature, it is possible to prevente effectively from indoor unit disk
Influence of the pipe to indoor environment temperature sensor avoids air-conditioning blowout cool breeze, improves air-conditioning without opening indoor fan
Comfort.
After air-conditioning stops heating in the process, indoor environment temperature can be gradually decreased, when under indoor environment temperature
After being down to setting limit value, it is also necessary to air-conditioning heating mode is continued starting, so that room temperature is maintained at suitable temperature range area
In, it further include f, detection current indoor environment temperature, and it is opened with heating preferably after the step e of the present embodiment
The step of threshold value compares, if current indoor environment temperature is less than heating and opens threshold value, four-way valve commutation switches to heating mould
Formula, compressor, indoor fan and outdoor fan are opened, and the normal heating that air-conditioning executes at this time controls operational mode.
In step f, if current indoor environment temperature is less than heating unlatching threshold value, first determine whether to compress in step e
Whether machine downtime meets the stoppage protection time, if satisfied, then four-way valve commutation switches to heating mode, compressor, interior
Blower and outdoor fan are opened, and otherwise wait for meeting the stoppage protection time executing four-way valve commutation and switching to heating mode,
Compressor, indoor fan and outdoor fan are opened.
The loine pressure difference at both ends is very big after compressor shutdown, and compressor can not normally start work, will lead in this way
The accumulation of compressor electric motor electric current increases, and the motor feels hot, is easy to burn out on compressor, therefore, compressor and outdoor fan in step c
Before unlatching, further include the steps that judging whether the compressor shutdown time meets the stoppage protection time in step a, if meeting
The stoppage protection time just executes four-way valve commutation in step c and switches to refrigeration mode, and compressor and outdoor fan are opened.It shuts down
Guard time is generally 3-5 minutes, is powered again after waiting both ends loine pressure consistent, is ensured that compressor smoothly starts in this way
Work.
When turning refrigeration mode after heating, since outdoor is low pressure, press starting load is low；If first drying, outdoor coil pipe used temperature
Degree increases, and system pressure increases, and press starting load increases.It is preferred that air-conditioning is run in a heating mode in the present embodiment, to temperature
After shutdown, the sequencing that compressor and outdoor fan are opened in step c is to first turn on compressor, and compressor is opened third and set
It fixes time and opens outdoor fan after T3, wherein T3 is greater than 0.
Outside is high pressure after refrigeration, stops continuing blowing after press to be conducive to system pressure balance, is conducive to press
It is again started up.Therefore in the present embodiment, the sequencing that compressor and outdoor fan are shut down in step e is that compressor stops first
Machine, outdoor fan is shut down after the 4th setting time T4 of compressor shutdown, wherein T4 is greater than 0.
In step a, when heating reaches temperature shutdown, compressor first mixes down to low-frequency operation state until shutting down, so that pipe
Pressure reaches dynamic equilibrium in road, alternatively, compressor can could be executed after needing to meet the compressor protection time with quick shutdown
Lower step movement.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made within the essential scope of the present invention, also should belong to this hair
Bright protection scope.
Claims (8)
1. a kind of air-conditioning heating control method, which comprises the following steps:
A, air-conditioning is run in a heating mode, cycle detection indoor environment temperature, when indoor environment temperature reaches target temperature,
Compressor shutdown, indoor fan and outdoor fan are shut down；
B, indoor unit coil temperature T is detectedInner disc, by TInner discCompared with the first setting value T1, if TInner disc> T1, thens follow the steps c,
Wherein T1 is greater than 0；
C, four-way valve commutation switches to refrigeration mode, and compressor and outdoor fan are opened；
D, cycle detection indoor unit coil temperature TInner disc, by TInner discCompared with the second setting value T2, if TInner disc< T2, then execute step
Otherwise rapid e keeps the state in step c, wherein T2 is greater than 0；
E, compressor and outdoor fan are shut down.
2. air-conditioning heating control method according to claim 1, which is characterized in that after step e, further include f, detect and work as
Preceding indoor environment temperature, and it is opened into the step of threshold value compares with heating, if current indoor environment temperature is less than heating and opens
Threshold value is opened, then four-way valve commutation switches to heating mode, and compressor, indoor fan and outdoor fan are opened.
3. air-conditioning heating control method according to claim 2, which is characterized in that in step f, if current indoor environment temperature
When degree is less than heating unlatching threshold value, first determine whether the compressor shutdown time meets the stoppage protection time in step e, if
Meet, then four-way valve commutation switches to heating mode, and compressor, indoor fan and outdoor fan are opened, and otherwise waits for full
The sufficient stoppage protection time executes four-way valve commutation and switches to heating mode, and compressor, indoor fan and outdoor fan are opened.
4. air-conditioning heating control method according to claim 1-3, which is characterized in that in step c compressor and
It further include judging whether in step a compressor shutdown time meets the step of stoppage protection time before outdoor fan is opened
Suddenly, it if meeting the stoppage protection time, just executes four-way valve commutation in step c and switches to refrigeration mode, compressor and outdoor fan
It opens.
5. air-conditioning heating control method according to claim 1-3, which is characterized in that in step c compressor and
The sequencing that outdoor fan is opened is to first turn on compressor, and compressor opens opening chamber's exogenous wind after third setting time T3
Machine, wherein T3 is greater than 0.
6. air-conditioning heating control method according to claim 5, which is characterized in that compressor and outdoor fan in step e
The sequencing of shutdown is compressor shutdown first, and outdoor fan is shut down after the 4th setting time T4 of compressor shutdown, wherein T4
Greater than 0.
7. air-conditioning heating control method according to claim 1-3, which is characterized in that the first setting value T1=when
Preceding indoor environment temperature TInner ring- K1, K1 are the constant greater than 0.
8. air-conditioning heating control method according to claim 7, which is characterized in that the second setting value T2=current indoor ring
Border temperature TInner ring- K2, K1 < K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610196765.6A CN105805892B (en) | 2016-03-31 | 2016-03-31 | A kind of air-conditioning heating control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610196765.6A CN105805892B (en) | 2016-03-31 | 2016-03-31 | A kind of air-conditioning heating control method |
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| CN105805892A CN105805892A (en) | 2016-07-27 |
| CN105805892B true CN105805892B (en) | 2019-01-29 |
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| CN106247535A (en) * | 2016-08-08 | 2016-12-21 | 珠海格力电器股份有限公司 | Control method and system for protecting air conditioning unit |
| CN106839271A (en) * | 2016-12-30 | 2017-06-13 | 宁波奥克斯电气股份有限公司 | Multi-online indoor machine heats the control method after temperature is shut down |
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| CN107388498A (en) * | 2017-07-27 | 2017-11-24 | 广东美的制冷设备有限公司 | Refrigerating method, mobile air conditioner system and the temperature checking method of air conditioner |
| CN107631443B (en) * | 2017-09-22 | 2020-09-25 | 青岛海尔空调器有限总公司 | Control method and system of air conditioner under low-humidity heating working condition |
| CN107631430B (en) * | 2017-09-22 | 2020-09-25 | 青岛海尔空调器有限总公司 | Control method and system of air conditioner under low-temperature heating working condition |
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| CN109780687B (en) * | 2018-12-18 | 2020-04-21 | 珠海格力电器股份有限公司 | Air conditioner starting-up pre-blowing control method and system and air conditioner |
| CN111023447A (en) * | 2019-10-30 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Control method for operation of air conditioner after heating and defrosting |
| CN111380175A (en) * | 2020-03-27 | 2020-07-07 | 广东美的制冷设备有限公司 | Air conditioner control method, air conditioner and storage medium |
| CN111637609B (en) * | 2020-06-03 | 2021-07-06 | 珠海格力电器股份有限公司 | Air conditioner heating control method, air conditioner and computer readable storage medium |
| CN111998445A (en) * | 2020-08-13 | 2020-11-27 | 深圳中集天达吉荣航空制冷有限公司 | Airplane ground air conditioning unit and cooling method thereof |
| CN112254290B (en) * | 2020-09-18 | 2021-10-29 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner fan and air conditioner |
| CN113790513B (en) * | 2021-09-28 | 2023-08-15 | 海信（广东）空调有限公司 | Self-cleaning method for air conditioner |
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