CN108917243A - A kind of air conditioner coolant intelligence recovery method and system - Google Patents
A kind of air conditioner coolant intelligence recovery method and system Download PDFInfo
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- CN108917243A CN108917243A CN201810959568.4A CN201810959568A CN108917243A CN 108917243 A CN108917243 A CN 108917243A CN 201810959568 A CN201810959568 A CN 201810959568A CN 108917243 A CN108917243 A CN 108917243A
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- refrigerant
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- air
- recycling
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- 238000011084 recovery Methods 0.000 title claims abstract description 40
- 239000002826 coolant Substances 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003507 refrigerant Substances 0.000 claims abstract description 68
- 238000004064 recycling Methods 0.000 claims abstract description 42
- 238000004378 air conditioning Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 31
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
Classifications
-
- 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
- F25B45/00—Arrangements for charging or discharging refrigerant
-
- 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
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/002—Collecting refrigerant from a cycle
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioner coolant intelligence recovery method and systems, including：Intelligence recycling main control unit is given in the instruction for issuing recycling refrigerant, control high-voltage electromagnetic two-port valve close compressor exhaust outlet, stop refrigerant and flows to indoor unit from compressor, pressure-detecting device determines that refrigerant fully enters outdoor unit, control low voltage electromagnetic two-port valve close compressor air inlet, stop refrigerant and flow to compressor from outdoor unit, there is no refrigerant in pressure-detecting device decision-making system pipeline, intelligence recycles main control unit sending prompt and informs that refrigerant recovering is completed.The present invention recycles refrigerant using air-conditioning automatically, reduces manual intervention, has saved labour cost；It is automatically performed by machine intelligence judgement, does not need manpower high altitude operation, removal process is safer；Signal piping pressure, substitution artificial experience judgement, avoids recycling from being not thorough and causes to waste；Whole process is performed fully automatic, and has recycled automatic shutdown, is not necessarily to professional's all-the-way tracking, saves the working time.
Description
Technical field
The invention belongs to air-conditioning technical field, it is related to a kind of air conditioner coolant intelligence recovery method and system.
Background technique
Existing air-conditioning uses the refrigerants such as R410, R32 mostly, although relatively environmentally friendly, there are flammable explosive wait to lack
Point.In the disassembly process of air-conditioning, judge whether the recycling of refrigerant is completed, dependent on the subjective judgement of disassembly person, there are refrigerants
It not yet recycles a possibility that complete, dismantles air-conditioning at this time, will cause coolant leakage.Outer machine is often mounted on outdoor high-wall,
Belong to high altitude operation when operation, there is risk.Traditional refrigerant recovering method carrys out hidden danger to environment and safety belt.
Summary of the invention
The purpose of the present invention is in view of the drawbacks of the prior art, provide a kind of air conditioner coolant intelligence recovery method and system.
To achieve the goals above, the present invention uses following technical scheme.
A kind of air conditioner coolant intelligence recovery method, including：The instruction of recycling refrigerant is issued, stops refrigerant and is flowed to from compressor
Indoor unit；Determine that refrigerant fully enters outdoor unit, stops refrigerant from outdoor unit and flow to compressor；It is not cold in decision-making system pipeline
Matchmaker issues prompt and informs that refrigerant recovering is completed.
Further, stop refrigerant and flow to indoor unit from compressor, use：Exhaust outlet of compressor is automatically closed in air-conditioning, protects
Hold air inlet open, the lasting outdoor unit that low pressure is flowed to from the system pipeline of high pressure of refrigerant.
Further, air-conditioning determines that refrigerant fully enters outdoor unit, uses：Default recovery time, air-conditioning are closing compression
After machine exhaust outlet, by recovery time, detection system loine pressure；Default recycling decision content, if system line pressures are less than
Decision content then determines that refrigerant fully enters outdoor unit；If system line pressures are equal to or more than decision content, recycling is again passed by
Time is judged.
If system line pressures are equal to or more than decision content, then decision-making system failure after three recovery times, issue
Prompt request manual intervention.
Further, stop refrigerant and flow to compressor from outdoor unit, use：Air-conditioning keeps inlet close, is automatically closed
Exhaust outlet of compressor, refrigerant rest on the outdoor unit of low pressure, are no longer flow towards the system pipeline of high pressure.
Further, there is no refrigerant in air-conditioning decision-making system pipeline, use：Default detection time, air-conditioning are closing compression
After machine air inlet, time after testing, detection system loine pressure；Default detection decision content, if system line pressures are less than
Decision content does not then have refrigerant in decision-making system pipeline；If system line pressures are equal to or more than decision content, detection is again passed by
Time is judged.
If system line pressures are equal to or more than decision content, then decision-making system failure after three detection times, issue
Prompt request manual intervention.
Further, it issues prompt and informs that refrigerant recovering is completed, use：Air-conditioning issues acousto-optic hint, by default shutdown
After time, air-conditioning automatic shutdown.
A kind of air conditioner coolant intelligence recovery system, including：Intelligence recycling main control unit, for receiving the finger of refrigerant recovering
It enables, controls recovery system automatic work；High-voltage electromagnetic two-port valve, for receiving the instruction of intelligence recycling main control unit, control pressure
The switch of contracting machine exhaust outlet；Low voltage electromagnetic two-port valve controls compressor air inlet for receiving the instruction of intelligence recycling main control unit
The switch of mouth；Pressure-detecting device, for receiving the instruction of intelligence recycling main control unit, detection system loine pressure；Acousto-optic mentions
Show unit, receives the instruction of intelligence recycling main control unit, issue acousto-optic hint.
Further, intelligence recycling main control unit, is mounted on air-conditioning computer plate, the system for receiving pressure-detecting device feedback
Line pressure controls the switch of high-voltage electromagnetic two-port valve and low voltage electromagnetic two-port valve, including：Timer presets recovery time
And detection time according to testing result, was issued and is indicated in next step after the corresponding time；Comparator, preset recycling decision content and
Decision content is detected, if system line pressures are less than recycling decision content, determine that refrigerant fully enters outdoor unit, indicates high-voltage electromagnetic two
Port valve is closed；If system line pressures are less than detection decision content, indication low-voltage electromagnetism two-port valve is closed；Alarm, if continuous warp
After spending three judgement times, system line pressures are equal to or more than decision content, then issue prompt request manual intervention.
Further, high-voltage electromagnetic two-port valve, is mounted on exhaust outlet of compressor, and close compressor exhaust outlet stops refrigerant
Indoor unit is flowed to from compressor.
Further, low voltage electromagnetic two-port valve, is mounted on compressor inlet, and close compressor air inlet stops refrigerant
Compressor is flowed to from outdoor unit.
Further, pressure-detecting device is mounted on compressor inlet gas, and system line pressures value is fed back to intelligence and is returned
Receive main control unit.
Further, acousto-optic hint unit, is mounted on air-conditioning computer plate, and recycling finishes or system exception, make a sound and
Flashing indicating requests manual intervention.
The present invention recycles refrigerant using air-conditioning automatically, reduces manual intervention, has saved labour cost；Pass through machine intelligence
Judgement is automatically performed, and does not need manpower high altitude operation, and removal process is safer；Signal piping pressure, substitution artificial experience are sentenced
It is disconnected, it avoids recycling from being not thorough and causes to waste；Whole process is performed fully automatic, and has recycled automatic shutdown, whole without professional
The working time is saved in tracking.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is system construction drawing of the invention.
Specific embodiment
In order to make those skilled in the art better understand application scheme, with reference to the accompanying drawing, technical solution is carried out
Clear, complete description, described embodiment is a part of the embodiment of the application, rather than whole embodiments.It is based on
Embodiments herein, those skilled in the art are not under the premise of making innovative labor, any other reality obtained
Example is applied, shall fall within the protection scope of the present application.
It should be noted that in following claims and specification, the precedence of description order is not limited
Actual step or structure, and should be understood as being interchangeable under appropriate circumstances.Term " includes " and " use " and they
Any deformation, it is intended that cover and non-exclusive include.
A kind of air conditioner coolant intelligence recovery method, flow chart as shown in Figure 1, including：The instruction for issuing recycling refrigerant, stops
Only refrigerant flows to indoor unit from compressor；Determine that refrigerant fully enters outdoor unit, stops refrigerant from outdoor unit and flow to compressor；Sentence
Determine there is no refrigerant in system pipeline, issues prompt and inform that refrigerant recovering is completed.
Stop refrigerant and flow to indoor unit from compressor, uses：Exhaust outlet of compressor is automatically closed in air-conditioning, and air inlet is kept to beat
It opens, the lasting outdoor unit that low pressure is flowed to from the system pipeline of high pressure of refrigerant.
Air-conditioning determines that refrigerant fully enters outdoor unit, uses：Default recovery time, air-conditioning close compressor exhaust outlet it
Afterwards, by recovery time, detection system loine pressure；Default recycling decision content is sentenced if system line pressures are less than decision content
Determine refrigerant and fully enters outdoor unit；If system line pressures are equal to or more than decision content, again pass by recovery time and sentenced
It is disconnected；If system line pressures are equal to or more than decision content, then decision-making system failure after three recovery times, prompt is issued
Request manual intervention.
Stop refrigerant and flow to compressor from outdoor unit, uses：Air-conditioning keeps inlet close, and compressor air-discharging is automatically closed
Mouthful, refrigerant rests on the outdoor unit of low pressure, is no longer flow towards the system pipeline of high pressure.
There is no refrigerant in air-conditioning decision-making system pipeline, uses：Default detection time, air-conditioning close compressor air inlet it
Afterwards, time after testing, detection system loine pressure；Default detection decision content is sentenced if system line pressures are less than decision content
Determine there is no refrigerant in system pipeline；If system line pressures are equal to or more than decision content, again pass by detection time and sentenced
It is disconnected；If system line pressures are equal to or more than decision content, then decision-making system failure after three detection times, prompt is issued
Request manual intervention.
It issues prompt and informs that refrigerant recovering is completed, use：Air-conditioning issues acousto-optic hint, empty after the default unused time
Adjust automatic shutdown.
A kind of air conditioner coolant intelligence recovery system, structure chart as shown in Figure 2, including：Intelligence recycling main control unit, is used for
The instruction of refrigerant recovering is received, recovery system automatic work is controlled；High-voltage electromagnetic two-port valve, for receiving intelligence recycling master control list
The instruction of member, controls the switch of exhaust outlet of compressor；Low voltage electromagnetic two-port valve, for receiving the finger of intelligence recycling main control unit
It enables, controls the switch of compressor inlet；Pressure-detecting device, for receiving the instruction of intelligence recycling main control unit, detection system
System loine pressure；Acousto-optic hint unit receives the instruction of intelligence recycling main control unit, issues acousto-optic hint.
Intelligence recycling main control unit, is mounted on air-conditioning computer plate, receives the system line pressures of pressure-detecting device feedback
Value controls the switch of high-voltage electromagnetic two-port valve and low voltage electromagnetic two-port valve, including：Timer, when presetting recovery time and detection
Between, after the corresponding time, according to testing result, issues and indicate in next step；Comparator, presets recycling decision content and detection determines
Value determines that refrigerant fully enters outdoor unit, instruction high-voltage electromagnetic two-port valve closes if system line pressures are less than recycling decision content
It closes；If system line pressures are less than detection decision content, indication low-voltage electromagnetism two-port valve is closed；Alarm, if continuously across three
After determining the time, system line pressures are equal to or more than decision content, then issue prompt request manual intervention.
High-voltage electromagnetic two-port valve, is mounted on exhaust outlet of compressor, and close compressor exhaust outlet stops refrigerant from compressor stream
To indoor unit.
Low voltage electromagnetic two-port valve, is mounted on compressor inlet, and close compressor air inlet stops refrigerant from outdoor unit stream
To compressor.
Pressure-detecting device is mounted on compressor inlet gas, and system line pressures value is fed back to intelligence recycling master control list
Member.
Further, acousto-optic hint unit, is mounted on air-conditioning computer plate, and recycling finishes or system exception, make a sound and
Flashing indicating requests manual intervention.
The above is only a preferred embodiment of the present invention, is not intended to limit the present invention, to those skilled in the art, this hair
It is bright to have various modifications and variations.All any modifications made within the spirit and principles in the present invention, change equivalent replacement
Into etc., it should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of air conditioner coolant intelligence recovery method, which is characterized in that including：
The instruction of recycling refrigerant is issued, stops refrigerant from compressor and flows to indoor unit；
Determine that refrigerant fully enters outdoor unit, stops refrigerant from outdoor unit and flow to compressor；
There is no refrigerant in decision-making system pipeline, issues prompt and inform that refrigerant recovering is completed.
2. air conditioner coolant intelligence recovery method according to claim 1, which is characterized in that the stopping refrigerant is from compressor
Indoor unit is flowed to, is used：
Air-conditioning is automatically closed exhaust outlet of compressor, keeps air inlet open, refrigerant is lasting flowed to from the system pipeline of high pressure it is low
The outdoor unit of pressure.
3. air conditioner coolant intelligence recovery method according to claim 1, which is characterized in that the air-conditioning determines that refrigerant is whole
Into outdoor unit, use：
Default recovery time, air-conditioning is after close compressor exhaust outlet, by recovery time, detection system pipeline pressure
Power；
Default recycling decision content determines that refrigerant fully enters outdoor unit if system line pressures are less than decision content；
If system line pressures are equal to or more than decision content, again pass by recovery time and judged.
4. air conditioner coolant intelligence recovery method according to claim 3, which is characterized in that the detection system pipeline pressure
Power uses：
If system line pressures are equal to or more than decision content, then decision-making system failure after three recovery times, prompt is issued
Request manual intervention.
5. air conditioner coolant intelligence recovery method according to claim 1, which is characterized in that the stopping refrigerant is from outdoor unit
Compressor is flowed to, is used：
Air-conditioning keeps inlet close, exhaust outlet of compressor is automatically closed, refrigerant rests on the outdoor unit of low pressure, is no longer flow towards height
The system pipeline of pressure.
6. air conditioner coolant intelligence recovery method according to claim 1, which is characterized in that the air-conditioning decision-making system pipeline
In there is no refrigerant, use：
Default detection time, air-conditioning is after close compressor air inlet, time after testing, detection system pipeline pressure
Power；
Default detection decision content does not have refrigerant in decision-making system pipeline if system line pressures are less than decision content；
If system line pressures are equal to or more than decision content, again pass by detection time and judged.
7. air conditioner coolant intelligence recovery method according to claim 6, which is characterized in that the detection system pipeline pressure
Power uses：
If system line pressures are equal to or more than decision content, then decision-making system failure after three detection times, prompt is issued
Request manual intervention.
8. air conditioner coolant intelligence recovery method according to claim 1, which is characterized in that refrigerant is informed in the sending prompt
Recycling is completed, and is used：
Air-conditioning issues acousto-optic hint, after the default unused time, air-conditioning automatic shutdown.
9. a kind of air conditioner coolant intelligence recovery system, which is characterized in that including：
Intelligence recycling main control unit controls recovery system automatic work for receiving the instruction of refrigerant recovering；
High-voltage electromagnetic two-port valve controls the switch of exhaust outlet of compressor for receiving the instruction of intelligence recycling main control unit；
Low voltage electromagnetic two-port valve controls the switch of compressor inlet for receiving the instruction of intelligence recycling main control unit；
Pressure-detecting device, for receiving the instruction of intelligence recycling main control unit, detection system loine pressure；
Acousto-optic hint unit receives the instruction of intelligence recycling main control unit, issues acousto-optic hint.
10. air conditioner coolant intelligence recovery system according to claim 1, which is characterized in that the intelligence recycling master control list
Member, is mounted on air-conditioning computer plate, receives the system line pressures value of pressure-detecting device feedback, control high-voltage electromagnetic two-port valve and
The switch of low voltage electromagnetic two-port valve, including：
Timer presets recovery time and detection time, after the corresponding time, according to testing result, issues and indicates in next step；
Comparator presets recycling decision content and detection decision content, if system line pressures are less than recycling decision content, determines that refrigerant is complete
Portion enters outdoor unit, and instruction high-voltage electromagnetic two-port valve is closed；If system line pressures are less than detection decision content,
Indication low-voltage electromagnetism two-port valve is closed；
Alarm then issues prompt and asks if after continuously across three judgement times, system line pressures are equal to or more than decision content
Ask manual intervention.
11. air conditioner coolant intelligence recovery system according to claim 1, which is characterized in that the high-voltage electromagnetic two-port valve,
It is mounted on exhaust outlet of compressor, close compressor exhaust outlet stops refrigerant from compressor and flows to indoor unit.
12. air conditioner coolant intelligence recovery system according to claim 1, which is characterized in that the low voltage electromagnetic two-port valve,
It is mounted on compressor inlet, close compressor air inlet stops refrigerant from outdoor unit and flows to compressor.
13. air conditioner coolant intelligence recovery system according to claim 1, which is characterized in that the pressure-detecting device, peace
Mounted in compressor inlet gas, system line pressures value is fed back into intelligence recycling main control unit.
14. air conditioner coolant intelligence recovery system according to claim 1, which is characterized in that the acousto-optic hint unit, peace
Mounted in air-conditioning computer plate, recycling finishes or system exception, makes a sound and requests manual intervention with flashing indicating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959568.4A CN108917243A (en) | 2018-08-22 | 2018-08-22 | A kind of air conditioner coolant intelligence recovery method and system |
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| CN201810959568.4A CN108917243A (en) | 2018-08-22 | 2018-08-22 | A kind of air conditioner coolant intelligence recovery method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940039A (en) * | 2019-12-16 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | High-temperature liquid-collecting multi-split refrigerant recovery method and device and multi-split system |
| CN113432237A (en) * | 2021-07-09 | 2021-09-24 | 宁波奥克斯电气股份有限公司 | Method and device for judging refrigerant recovery completion condition and air conditioner |
-
2018
- 2018-08-22 CN CN201810959568.4A patent/CN108917243A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940039A (en) * | 2019-12-16 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | High-temperature liquid-collecting multi-split refrigerant recovery method and device and multi-split system |
| CN110940039B (en) * | 2019-12-16 | 2020-10-27 | 宁波奥克斯电气股份有限公司 | High-temperature liquid-collecting multi-split refrigerant recovery method and device and multi-split system |
| CN113432237A (en) * | 2021-07-09 | 2021-09-24 | 宁波奥克斯电气股份有限公司 | Method and device for judging refrigerant recovery completion condition and air conditioner |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
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