CN110887178A - Control method for heating shutdown of multi-split air conditioner, computer readable storage medium and air conditioner - Google Patents
Control method for heating shutdown of multi-split air conditioner, computer readable storage medium and air conditioner Download PDFInfo
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- CN110887178A CN110887178A CN201910985703.7A CN201910985703A CN110887178A CN 110887178 A CN110887178 A CN 110887178A CN 201910985703 A CN201910985703 A CN 201910985703A CN 110887178 A CN110887178 A CN 110887178A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004590 computer program Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—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
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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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method for heating shutdown of a multi-split air conditioner, a computer readable storage medium and an air conditioner. The invention aims at the two conditions of shutdown and shutdown, the temperature of the heat exchanger of the shutdown indoor unit can be reduced by adjusting the inner fan according to the temperature of the inner pipe of the indoor unit, the influence of the continuous high temperature of the heat exchanger of the indoor unit on the indoor unit is reduced, and the safety factor and the comfort of the air conditioner are improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method for heating shutdown of a multi-split air conditioner, a computer readable storage medium and an air conditioner.
Background
In the heating mode operation of the multi-split air conditioner, due to different use environments or different capacities of the indoor units, the actual phenomenon that the whole machine is heated and operated under a large load but partial indoor units are shut down can occur, the capacity of the whole machine can be reduced after partial indoor units are shut down, the corresponding operation frequency can be reduced, the temperature of the pipe of the indoor unit shut down before and during the frequency reduction can be rapidly increased, and the service life of the air conditioner is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for controlling the air speed of an indoor unit by detecting the temperature of a heat exchanger of the indoor unit under the condition that part of the indoor unit stops in the multi-connected heat-generating operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method for heating shutdown of a multi-split air conditioner is characterized in that whether the air conditioner is shut down or shut down in a heating mode operation is judged through detection, the temperature condition of an inner pipe of an inner machine is judged through detection under the condition of shutting down or shutting down, and then a corresponding control instruction is sent according to the temperature condition of the inner machine to adjust the operation state of the inner fan. Aiming at the two conditions of shutdown and shutdown, the inner fan is adjusted according to the temperature of the inner pipe of the inner machine, the temperature of the heat exchanger of the shutdown inner machine can be reduced, the influence of continuous high temperature of the heat exchanger of the inner machine on the inner machine is reduced, and the safety factor and the comfort of the air conditioner are improved.
Further, the specific judgment of the temperature of the inner pipe of the internal machine by detection in the case of shutdown or shutdown is as follows: and detecting the shutdown of the inner machine in the heating operation, detecting the temperature of an inner pipe of the shutdown inner machine, and controlling the inner fan to keep normal shutdown parameter operation if the temperature T of the inner pipe is less than T1, wherein T1 is a preset temperature value. The temperature of the inner pipe of the inner machine is detected aiming at the condition that the inner machine is shut down in the heating process, the temperature of the inner pipe of the inner machine is directly compared and judged with a preset temperature value, and when the temperature of the inner pipe is smaller than the preset temperature value, the current temperature of the inner pipe of the inner machine is in a normal range, extra adjustment is not needed, and the original state is maintained.
Further, the specific judgment of the temperature of the inner pipe of the internal machine by detection in the case of shutdown or shutdown is as follows: and (3) detecting that the inner machine stops in the heating operation, detecting the temperature of an inner pipe of the stopped inner machine, and controlling the inner fan to start and operate at a low rotating speed if the temperature T of the inner pipe is more than or equal to T1. When the temperature of the inner pipe is higher than the preset temperature value, the temperature of the inner pipe of the current inner machine is higher and exceeds the normal range, and the rotating speed of the inner fan needs to be adjusted at the moment, so that the aim of reducing the temperature of the inner pipe of the inner machine is fulfilled, and the safety of the air conditioner is improved.
Further, the specific judgment of the temperature of the inner pipe of the internal machine by detection in the case of shutdown or shutdown is as follows: detecting normal heating shutdown or shutdown operation, detecting the temperature of an inner pipe of the shutdown internal machine, and controlling the inner fan to keep normal shutdown parameter operation if the temperature T of the inner pipe is less than T1; and if the temperature T of the inner pipe is more than or equal to T1, controlling the inner fan to start and operate at a low rotating speed. Aiming at the conditions of normal shutdown or automatic shutdown or manual shutdown after the operation in the heating mode, whether the adjustment is needed or not is judged by detecting the temperature of an inner pipe of an inner machine, and if the temperature of the inner pipe is less than a preset temperature value, the adjustment is not needed; if the temperature of the inner pipe is higher than the preset temperature value, the inner fan needs to be controlled to start working at a low rotating speed, so that the aim of reducing the temperature of the inner pipe of the inner machine is fulfilled.
Further, the operation of controlling the internal fan to be started at the low rotating speed is specifically that if T2 is larger than T and larger than T1, the internal fan is controlled to operate at the rotating speed of η 1, wherein η 1 is a preset rotating speed value, when the temperature T of the internal pipe of the internal fan meets the condition that T2 is larger than T and larger than T1, the internal fan is controlled to operate at the rotating speed of η 1, and in the current temperature interval, the temperature of the internal pipe of the internal fan can be stably and continuously reduced through the rotating speed of η 1.
Further, the operation of controlling the internal fan to be started at the low rotating speed is specifically that if T3 is larger than T and larger than T2, the internal fan is controlled to operate at η 2 rotating speed, wherein η 2 is a preset rotating speed value, when the temperature T of the internal pipe of the internal fan meets the condition that T3 is larger than T and larger than T2, the internal fan is controlled to operate at η 2 rotating speed, and in the current temperature interval, the temperature of the internal pipe of the internal fan can be stably and continuously reduced through η 2 rotating speed.
Further, the operation of controlling the internal fan to be started at the low rotating speed is specifically that if T4 is larger than T and larger than T3, the internal fan is controlled to operate at η 3 rotating speed, wherein η 3 is a preset rotating speed value, when the temperature T of the internal pipe of the internal fan meets the condition that T4 is larger than T and larger than T3, the internal fan is controlled to operate at η 3 rotating speed, and in the current temperature interval, the temperature of the internal pipe of the internal fan can be stably and continuously reduced through η 3 rotating speed.
Further, the operation of controlling the inner fan to be started at the low rotating speed is specifically that if T is larger than or equal to T4, the inner fan is controlled to operate at the rotating speed of η 4, wherein η 4 is a preset rotating speed value, when the temperature T of the inner pipe of the inner fan meets the condition that T is larger than or equal to T4, the inner pipe of the inner fan is controlled to operate at the rotating speed of η 4, and in the current temperature interval, the temperature of the inner pipe of the inner fan can be stably and continuously reduced through the rotating speed of η 4.
Furthermore, the preset rotating speed values are η 4 & gt η 3 & gt η 2 & gt η 1, the higher the temperature of the inner pipe is, the higher the rotating speed of the inner fan is, the purpose of quickly reducing the temperature of the inner pipe can be achieved, and meanwhile, the preset rotating speed values are low rotating speeds, so that extra noise cannot be generated, and the comfort of the air conditioner in use is guaranteed.
A computer-readable storage medium storing a computer program, characterized in that: when the computer program is called by a processor, the control method for heating shutdown of the multi-split air conditioner is realized.
An air conditioner comprising a processor and a memory for storing a computer program that, when invoked by the processor, implements the method of controlling a heating shutdown of a multi-split air conditioner as set forth in any of the above.
The control method for heating shutdown of the multi-split air conditioner, the computer readable storage medium and the air conditioner provided by the invention have the beneficial effects that: by adopting the method for controlling the shutdown of the multi-connected unit indoor unit, the temperature of the heat exchanger of the shutdown indoor unit can be reduced, the influence of the continuous high temperature of the heat exchanger of the indoor unit on the indoor unit is reduced, and the safety factor and the comfort of the air conditioner are improved.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of the present invention.
Example 1: a control method for heating shutdown of a multi-split air conditioner.
A control method for heating shutdown of a multi-split air conditioner comprises the following specific steps:
step 1, operating the whole machine in a heating mode;
step 2: the internal machine detects the shutdown or shutdown of the machine;
and step 3: (1) when the internal machine is in a non-shutdown or non-shutdown state, the internal machine keeps heating and normal operation; (2) when the internal machine is shut down or shut down, the temperature of the internal machine entering the inner pipe is judged;
and 4, step 4: the temperature of an inner machine is judged when the inner machine stops or is shut down in heating operation, (1) the inner machine is detected to be low in temperature, and the inner fan keeps normal shutdown operation; (2) detecting that the temperature of the inner pipe is overhigh, and controlling the inner fan to start at a low rotating speed; (3) after the heating machine is shut down or is shut down, the temperature of the inner pipe is detected to be overhigh, and the inner fan is started to control at a low rotating speed; (if the temperature of the inner tube is too high, the initial temperature is 50 ℃ C.)
And 5: when the conditions of (2) and (3) in the step 4 are met, the inner fan is started to rotate at different speeds according to the temperature interval of the inner pipe to cool; when the temperature is higher than 54 ℃ and T is more than or equal to 50 ℃, the inner fan operates at a preset rotating speed of 100 rpm/min; when the temperature is higher than 59 ℃ and T is more than or equal to 54 ℃, the inner fan operates at a preset rotating speed of 200 rpm/min; when the temperature is higher than 64 ℃ and T is more than or equal to 59 ℃, the inner fan operates at a preset rotating speed of 300 rpm/min; when T is more than or equal to 64 ℃, the inner fan operates at a preset rotating speed of 500 rpm/min;
step 6: detecting that the temperature of the inner machine pipe is reduced to a corresponding interval, and correspondingly adjusting the rotating speed; when the temperature is higher than 64 ℃ and T is more than or equal to 59 ℃, the inner fan operates at a preset rotating speed of 300 rpm/min; when the temperature is higher than 59 ℃ and T is more than or equal to 54 ℃, the inner fan operates at a preset rotating speed of 200 rpm/min; when the temperature is more than 54 ℃ and T is more than or equal to 50 ℃, the inner fan operates at a preset rotating speed of 100 rpm/min; when T is less than 50 ℃, the inner fan does not work.
And 7: and the shutdown or shutdown internal machine performs cycle control according to the steps to achieve the condition of heating and starting up and operates according to normal heating.
Example 2: a computer readable storage medium.
A computer-readable storage medium storing a computer program, characterized in that: when the computer program is called by a processor, the method for controlling the heating shutdown of the multi-split air conditioner in embodiment 1 is implemented.
Example 3: an air conditioner.
An air conditioner comprising a processor and a memory, wherein the memory is used for storing a computer program, and the method for controlling the heating shutdown of the multi-split air conditioner in the embodiment 1 is realized when the computer program is called by the processor.
The above description is only for the preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, and therefore, all equivalent or modifications that do not depart from the spirit of the present invention are intended to fall within the scope of the present invention.
Claims (10)
1. A control method for heating shutdown of a multi-split air conditioner is characterized in that whether the air conditioner is shut down or shut down in a heating mode operation is judged through detection, the temperature condition of an inner pipe of an inner machine is judged through detection under the condition of shutting down or shutting down, and then a corresponding control instruction is sent according to the temperature condition of the inner machine to adjust the operation state of an inner fan.
2. The control method of a multi-split air conditioner heating shutdown as claimed in claim 1, wherein: the method specifically comprises the following steps of judging the temperature condition of an inner pipe of the internal machine through detection under the condition of shutdown or shutdown: and detecting the shutdown of the inner machine in the heating operation, detecting the temperature of an inner pipe of the shutdown inner machine, and controlling the inner fan to keep normal shutdown parameter operation if the temperature T of the inner pipe is less than T1, wherein T1 is a preset temperature value.
3. The control method of a multi-split air conditioner heating shutdown as claimed in claim 1, wherein: the method specifically comprises the following steps of judging the temperature condition of an inner pipe of the internal machine through detection under the condition of shutdown or shutdown: and (3) detecting that the inner machine stops in the heating operation, detecting the temperature of an inner pipe of the stopped inner machine, and controlling the inner fan to start and operate at a low rotating speed if the temperature T of the inner pipe is more than or equal to T1.
4. The control method of a multi-split air conditioner heating shutdown as claimed in claim 1, wherein: the method specifically comprises the following steps of judging the temperature condition of an inner pipe of the internal machine through detection under the condition of shutdown or shutdown: detecting normal heating shutdown or shutdown operation, detecting the temperature of an inner pipe of the shutdown internal machine, and controlling the inner fan to keep normal shutdown parameter operation if the temperature T of the inner pipe is less than T1; and if the temperature T of the inner pipe is more than or equal to T1, controlling the inner fan to start and operate at a low rotating speed.
5. The method for controlling the heating shutdown of the multi-split air conditioner as claimed in claim 3 or 4, wherein the controlling of the internal fan to operate at the low rotation speed is specifically that if T2 is greater than T ≧ T1, the internal fan is controlled to operate at η 1 rotation speed, wherein η 1 is a preset rotation speed value.
6. The method for controlling the heating shutdown of the multi-split air conditioner as claimed in claim 3 or 4, wherein the controlling of the operation of the inner fan at the low rotation speed is specifically that if T3 is greater than T ≧ T2, the inner fan is controlled to operate at η 2 rotation speed, wherein η 2 is a preset rotation speed value.
7. The method for controlling the heating shutdown of the multi-split air conditioner as claimed in claim 3 or 4, wherein the controlling of the operation of the inner fan at the low rotation speed is specifically that if T4 is greater than T ≧ T3, the inner fan is controlled to operate at η 3 rotation speed, wherein η 3 is a preset rotation speed value.
8. The method for controlling the heating shutdown of the multi-split air conditioner as claimed in claim 3 or 4, wherein the controlling of the internal fan to operate at the low rotation speed is specifically controlling the internal fan to operate at η 4 rotation speed if T is greater than or equal to T4, wherein η 4 is a preset rotation speed value.
9. A computer-readable storage medium storing a computer program, characterized in that: the computer program, when being invoked by a processor, implements the method for controlling a heating-up shutdown of a multi-split air conditioner according to any one of claims 1 to 8.
10. An air conditioner comprising a processor and a memory for storing a computer program, characterized in that: the computer program, when being invoked by the processor, implements the method for controlling a heating-up shutdown of a multi-split air conditioner according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910985703.7A CN110887178A (en) | 2019-10-17 | 2019-10-17 | Control method for heating shutdown of multi-split air conditioner, computer readable storage medium and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910985703.7A CN110887178A (en) | 2019-10-17 | 2019-10-17 | Control method for heating shutdown of multi-split air conditioner, computer readable storage medium and air conditioner |
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| CN110887178A true CN110887178A (en) | 2020-03-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081554A (en) * | 2019-05-07 | 2019-08-02 | 珠海格力电器股份有限公司 | Control method and device of multi-split air conditioning system |
| CN112815495A (en) * | 2021-01-11 | 2021-05-18 | 珠海格力电器股份有限公司 | Thermal protection device and method for air conditioner indoor unit and air conditioner |
| CN114198882A (en) * | 2020-09-02 | 2022-03-18 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
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| 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 |
| CN109945435A (en) * | 2019-03-25 | 2019-06-28 | 宁波奥克斯电气股份有限公司 | A kind of multi-online indoor machine shutdown control method and multi-connected machine device |
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2019
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| JPH0821668A (en) * | 1994-07-05 | 1996-01-23 | Mitsubishi Electric Corp | Air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081554A (en) * | 2019-05-07 | 2019-08-02 | 珠海格力电器股份有限公司 | Control method and device of multi-split air conditioning system |
| CN114198882A (en) * | 2020-09-02 | 2022-03-18 | 广东美的制冷设备有限公司 | Air conditioner, control method and device thereof and readable storage medium |
| CN112815495A (en) * | 2021-01-11 | 2021-05-18 | 珠海格力电器股份有限公司 | Thermal protection device and method for air conditioner indoor unit and air conditioner |
| CN112815495B (en) * | 2021-01-11 | 2022-03-08 | 珠海格力电器股份有限公司 | Thermal protection device and method for air conditioner indoor unit and air conditioner |
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