CN111169251B - Control method for air conditioner high-voltage protection, computer readable storage medium and air conditioner - Google Patents
Control method for air conditioner high-voltage protection, computer readable storage medium and air conditioner Download PDFInfo
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- CN111169251B CN111169251B CN202010001177.9A CN202010001177A CN111169251B CN 111169251 B CN111169251 B CN 111169251B CN 202010001177 A CN202010001177 A CN 202010001177A CN 111169251 B CN111169251 B CN 111169251B
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- air conditioner
- compressor
- control method
- inner ring
- ring temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3217—Control means therefor for high pressure, inflamable or poisonous refrigerants causing danger in case of accidents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H2001/3269—Cooling devices output of a control signal
- B60H2001/327—Cooling devices output of a control signal related to a compressing unit
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method for air conditioner high-voltage protection, a computer readable storage medium and an air conditioner. The invention can reduce the pressure of the system in a certain time when the vehicle is started, and the normal control logic of the compressor is recovered when the temperature in the vehicle is reduced to a certain temperature, thereby avoiding the high-voltage protection problem of the unit when the vehicle is started and improving the reliability and the safety of the vehicle-mounted air conditioning system.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method for high-voltage protection of an air conditioner, a computer readable storage medium and the air conditioner.
Background
When the air conditioner is used for refrigerating and heating, high pressure can be generated in the condenser, potential safety hazards can be caused when the pressure is too high, and a high-pressure protection device is usually arranged in the system. The high-pressure protection can stop the unit when the system pressure is too high, so that safety accidents caused by too high pressure are avoided.
Because the use environment of the vehicle-mounted air conditioner is different from that of a conventional air conditioner, severe environments such as outdoor placement, sun exposure and the like exist, when a vehicle is exposed outdoors in summer, the temperature in the vehicle is extremely high, the environment outside the vehicle is also high, the pressure of a system refrigerant is extremely high, and at the moment, if a unit is started to refrigerate, high-voltage protection is easily triggered.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a control method for air conditioner high-voltage protection, a computer readable storage medium and an air conditioner, which can avoid the high-voltage protection problem caused by starting under the condition that the environment temperature inside an air conditioner vehicle is high and the environment temperature outside the air conditioner vehicle is also high, and improve the reliability and the safety of a vehicle-mounted air conditioning system.
The purpose of the invention is realized by the following technical scheme:
in a first aspect, the invention provides a control method for air conditioner high-voltage protection, after an air conditioner unit is started, when the air conditioner unit is in a refrigeration mode, after a compressor starting signal is received, an inner ring temperature T1 and an outer ring temperature T2 of the air conditioner unit are obtained, and the operating frequency F of the compressor is adjusted according to the inner ring temperature T1 and the outer ring temperature T2 of the air conditioner unit.
Further, when the air conditioning unit is not in the cooling mode, the air conditioning unit is normally started.
Further, the obtaining of the inner ring temperature T1 and the outer ring temperature T2 of the air conditioning unit after receiving the compressor start signal specifically includes: and detecting the inner ring temperature T1 and the outer ring temperature T2 of the unit for N seconds continuously after receiving the starting signal of the compressor.
Further, the adjusting the operating frequency F of the compressor according to the inner ring temperature and the outer ring temperature of the air conditioning unit specifically includes: if T1 is not less than T3 and T2 is not less than T4, the compressor is started and the operating frequency F after the compressor is started is not less than F1, wherein T3 and T4 are preset temperature values, and F1 is a preset operating frequency.
Further, the adjusting the operating frequency F of the compressor according to the inner ring temperature and the outer ring temperature of the air conditioning unit specifically includes: if T1 < T3 or T2 < T4, the running frequency of the compressor is not adjusted, and the compressor is started normally.
Further, after the compressor is started, the inner ring temperature T1 of the air conditioning unit is refreshed in real time, and the running frequency F of the compressor is adjusted according to the inner ring temperature T1.
Further, the adjusting the operating frequency of the compressor according to the inner ring temperature T1 specifically includes: if T6 is not less than T1 and is less than T3, the operating frequency F of the compressor is not less than F2, wherein T6 and T3 are preset temperature values.
Further, the adjusting the operating frequency of the compressor according to the inner ring temperature T1 obtained in real time specifically includes: if T6 is more than T1 or T1 is more than or equal to T3, the compressor keeps running at the original running frequency.
In a second aspect, the present invention further provides a computer-readable storage medium for storing a computer program, where the computer program is invoked by a processor to implement the control method for preventing high voltage protection of an air conditioner according to the first aspect.
In a second aspect, the present invention further provides an air conditioner, including a processor and a memory, where the memory is used to store a computer program, and when the computer program is called by the processor, the control method for protecting the air conditioner from high voltage is implemented.
The invention has the beneficial effects that: the invention provides a control method for high-voltage protection prevention of an air conditioner, a computer readable storage medium and the air conditioner.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, a control method for air conditioner high pressure protection.
As shown in fig. 1, the control method for preventing high-voltage protection of an air conditioner in the embodiment includes the following specific steps:
when the air conditioning unit is started, judging whether the unit operates in a refrigeration mode, when the air conditioning unit operates in a non-refrigeration mode, normally starting the air conditioning unit to operate, and when the air conditioning unit operates in the refrigeration mode, executing the following steps:
step 1: and after receiving the compressor starting signal, continuously detecting the inner ring temperature T1 and the outer ring temperature T2 of the air conditioning unit for N seconds.
Step 2: if T1 is not less than T3 and T2 is not less than T4, the compressor is started, the running frequency F of the compressor after starting is not more than F1, and the inner ring temperature T1 of the air conditioning unit is refreshed in real time; and if T1 is less than T3 or T2 is less than T4, the operation frequency of the compressor is not adjusted, the compressor is normally started, wherein T3 and T4 are preset temperature values, and F1 is a preset operation frequency.
And step 3: if T1 is more than or equal to T6 and less than T3, the running frequency F of the compressor is less than or equal to F2; if T6 is more than T1 or T1 is more than or equal to T3, the compressor keeps running at the original running frequency until the air conditioning unit is shut down.
By applying the method of the embodiment, the condition that the temperature of the inner ring is high and the temperature of the outer ring is also high when the air conditioning unit is just started is avoided, and if the frequency is higher when the air conditioning unit is started, the unit can trigger high-voltage protection, so that the range interval is defined according to the temperature of the inner ring, the running frequency of the compressor is limited in different intervals, the high-voltage protection is avoided, and the reliability and the safety of the unit are improved.
Embodiment 2, a computer-readable storage medium.
The present embodiment provides a computer-readable storage medium for storing a computer program for implementing the control method of the air conditioner anti-high voltage protection described in embodiment 1 when the computer program is called by a processor.
Embodiment 3, an air conditioner.
The embodiment provides an air conditioner, which comprises a processor and a memory, wherein the memory is used for storing a computer program, and the control method for the high-voltage protection of the air conditioner is realized when the computer program is called by the processor.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The control method for the high-voltage protection of the air conditioner is characterized in that after the air conditioner unit is started, when the air conditioner unit is in a refrigeration mode, the inner ring temperature T1 and the outer ring temperature T2 of the air conditioner unit are obtained after a compressor starting signal is received, and the operation frequency F of the compressor is adjusted according to the inner ring temperature and the outer ring temperature of the air conditioner unit, and specifically comprises the following steps: and if the T1 is not less than T3 and the T2 is not less than T4, the compressor is started, the running frequency F after the compressor is started is not less than F1, wherein T3 and T4 are preset temperature values, F1 is a preset running frequency, and the inner ring temperature T1 of the air conditioning unit is refreshed in real time.
2. The control method for preventing high-voltage protection of the air conditioner as claimed in claim 1, wherein when the air conditioning unit is not in the cooling mode, the air conditioning unit is normally started.
3. The method as claimed in claim 1, wherein the obtaining of the inner ring temperature T1 and the outer ring temperature T2 of the air conditioning unit after receiving the compressor start signal is specifically: and detecting the inner ring temperature T1 and the outer ring temperature T2 of the unit for N seconds continuously after receiving the starting signal of the compressor.
4. The control method for preventing high-voltage protection of the air conditioner according to claim 1, wherein the adjusting of the operating frequency F of the compressor according to the inner ring temperature and the outer ring temperature of the air conditioning unit is specifically: if T1 < T3 or T2 < T4, the running frequency of the compressor is not adjusted, and the compressor is started normally.
5. The control method for preventing the high-pressure protection of the air conditioner as claimed in claim 4, wherein after the compressor is started, the temperature T1 of the inner ring of the air conditioning unit is refreshed in real time, and the operating frequency F of the compressor is adjusted according to the temperature T1 of the inner ring.
6. The control method for preventing the high-pressure protection of the air conditioner as claimed in claim 5, wherein the adjusting the operation frequency of the compressor according to the inner ring temperature T1 is specifically as follows: and if T6 is not less than T1 and is less than T3, the operating frequency F of the compressor is not less than F2, wherein T6 and T3 are preset temperature values, and F2 is a preset operating frequency.
7. The control method for preventing high-pressure protection of the air conditioner as claimed in claim 6, wherein the adjusting of the operating frequency of the compressor according to the real-time obtained inner ring temperature T1 is specifically: if T6 is more than T1 or T1 is more than or equal to T3, the compressor keeps running at the original running frequency.
8. A computer-readable storage medium storing a computer program, characterized in that: the computer program, when being invoked by a processor, implements the control method for air conditioner high voltage protection according to any one of claims 1 to 7.
9. An air conditioner comprising a processor and a memory for storing a computer program, characterized in that: the computer program, when invoked by the processor, implements the control method of air conditioner anti-high voltage protection of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010001177.9A CN111169251B (en) | 2020-01-02 | 2020-01-02 | Control method for air conditioner high-voltage protection, computer readable storage medium and air conditioner |
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| CN202010001177.9A CN111169251B (en) | 2020-01-02 | 2020-01-02 | Control method for air conditioner high-voltage protection, computer readable storage medium and air conditioner |
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| CN111169251A CN111169251A (en) | 2020-05-19 |
| CN111169251B true CN111169251B (en) | 2021-10-29 |
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| CN118066644A (en) * | 2024-04-18 | 2024-05-24 | 宁波奥克斯电气股份有限公司 | Air conditioner protection control method and device, air conditioner and medium |
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| CN110341426A (en) * | 2019-07-30 | 2019-10-18 | 青岛海立电机有限公司 | The control method of Air conditioner on car |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107101338B (en) * | 2017-05-09 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of air conditioning control method, device and a kind of air-conditioning |
| CN109654686B (en) * | 2018-12-20 | 2020-12-29 | 珠海格力电器股份有限公司 | Air conditioner control method, air conditioner and computer readable storage medium |
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- 2020-01-02 CN CN202010001177.9A patent/CN111169251B/en active Active
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| JPS60151118A (en) * | 1984-01-18 | 1985-08-09 | Matsushita Electric Ind Co Ltd | Air conditioner for automobile |
| JPH09126601A (en) * | 1995-10-27 | 1997-05-16 | Matsushita Electric Ind Co Ltd | Controller for air conditioner |
| JP2007003169A (en) * | 2005-06-22 | 2007-01-11 | Noriyuki Yamauchi | Refrigeration, hot water supply, and heating system using carbon dioxide as refrigerant, and condensing system used therein |
| CN101504177A (en) * | 2008-02-05 | 2009-08-12 | Lg电子株式会社 | Air conditioning apparatus and method for determining the amount of refrigerant of air-conditioning apparatus |
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| CN111169251A (en) | 2020-05-19 |
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