CN108061411A - The coolant injection method and air-conditioning of air-conditioning - Google Patents
The coolant injection method and air-conditioning of air-conditioning Download PDFInfo
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- CN108061411A CN108061411A CN201711216543.7A CN201711216543A CN108061411A CN 108061411 A CN108061411 A CN 108061411A CN 201711216543 A CN201711216543 A CN 201711216543A CN 108061411 A CN108061411 A CN 108061411A
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- liquid level
- high pressure
- refrigerant
- fluid reservoir
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Classifications
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- 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
- F25B2345/001—Charging refrigerant to a cycle
-
- 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
- F25B2345/003—Control issues for charging or collecting refrigerant to or 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 present invention relates to air-conditioning technical fields, it is intended to realize the automatic filling of air conditioner coolant.For this purpose, the present invention provides the coolant injection method and air-conditioning of a kind of air-conditioning, which includes high pressure fluid reservoir, which includes：Obtain the liquid level of refrigerant in the high pressure fluid reservoir；According to the liquid level, selectively refrigerant is filled into the high pressure fluid reservoir.Pass through the coolant injection method of the present invention, can the automatic filling of refrigerant be realized according to the height of liquid level in high pressure fluid reservoir, thus instead of traditional calculating length of pipe, and the mode of refrigerant is added manually, improve the work efficiency and accuracy of coolant injection.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to the coolant injection methods and air-conditioning of a kind of air-conditioning.
Background technology
Refrigerant (also known as refrigerant) is constantly to cycle and pass through the variation of itself state in refrigeration systems to realize system
Cold operation material.In the case of cold medium shortage, air conditioning function will be affected.
Current multi-gang air-conditioner machine refrigerant super-addition is quantitatively added according to length of pipe, is first had to before additional according to pipe
The coolant quantity that the length computation needs on road fill, then carries out quantitative addition again, can be with root for newly installing the user of air-conditioning
Length of pipe is calculated according to drawing to carry out the addition of refrigerant, but for the air conditioner user of some transformations, since pipeline has been spread
If finishing, and by using for many years, the design drawing of pipeline has been lost or unintelligible, thinks to add refrigerant exactly, than
It is more difficult.
Therefore, this field needs a kind of coolant injection method of new air-conditioning and corresponding air-conditioning to solve the above problems.
The content of the invention
In order to solve the above problem of the prior art, i.e., in order to avoid quantitatively being chased after according to refrigerant pipe length computation coolant quantity
The complicated procedures added, the present invention provides a kind of coolant injection method of air-conditioning, the air-conditioning includes high pressure fluid reservoir, described cold
Matchmaker, which fills method, to be included：Obtain the liquid level of refrigerant in the high pressure fluid reservoir；According to the liquid level, selectively to the high pressure
Filling refrigerant in fluid reservoir.
In the optimal technical scheme of above-mentioned filling method, " according to the liquid level, selectively to the high pressure fluid reservoir
The step of interior filling refrigerant ", includes：Judge whether the liquid level reaches setting liquid level；If the liquid level reaches the setting liquid
Position, then continue/be spaced and fill refrigerant into the high pressure fluid reservoir.
In the optimal technical scheme of above-mentioned filling method, " according to the liquid level, selectively to the high pressure fluid reservoir
The step of interior filling refrigerant ", further includes：If the liquid level reaches the setting liquid level, stop immediately to the high pressure liquid storage
Filling refrigerant in tank.
In the optimal technical scheme of above-mentioned filling method, " according to the liquid level, selectively to the high pressure fluid reservoir
The step of interior filling refrigerant ", further includes：If the liquid level reaches the setting liquid level, stop again after the first preset time
Only refrigerant is filled into the high pressure fluid reservoir.
In the optimal technical scheme of above-mentioned filling method, the air-conditioning further includes to detect in the high pressure fluid reservoir
The step of temperature-detecting device of predeterminated position temperature, " liquid level for obtaining refrigerant in the high pressure fluid reservoir ", includes：Obtain institute
State the temperature in high pressure fluid reservoir；According to the variation degree of the temperature, the liquid level of refrigerant in the high pressure fluid reservoir is judged.
In the optimal technical scheme of above-mentioned filling method, " according to the variation degree of the temperature, the high pressure storage is judged
The step of liquid level of refrigerant in flow container ", includes：Obtain the first temperature value of the predeterminated position；After the second preset time,
Obtain the second temperature value of the predeterminated position；Calculate the temperature difference of first temperature value and the second temperature value；If institute
It states the temperature difference and is less than or equal to the first preset temperature, then the liquid level is not up to the predeterminated position.
In the optimal technical scheme of above-mentioned filling method, " according to the variation degree of the temperature, the high pressure storage is judged
The step of liquid level of refrigerant in flow container ", includes：If the temperature difference is more than or equal to the second preset temperature, the liquid level reaches
To the predeterminated position, wherein, second preset temperature is more than first preset temperature.
In the optimal technical scheme of above-mentioned filling method, the temperature-detecting device is temperature sensor.
In the optimal technical scheme of above-mentioned filling method, in the step of " liquid level for obtaining refrigerant in the high pressure fluid reservoir "
Before rapid, the coolant injection method further includes：Operate the air conditioner refrigerating standard-sized sheet.
On the other hand, the present invention also provides a kind of air-conditioning, which includes the circulatory system and connects with the circulatory system
The coolant injection system connect, the coolant injection system are used to perform above-mentioned coolant injection method.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, by obtaining high pressure liquid storage
Liquid level in tank selectively fills refrigerant according to the liquid level into high pressure fluid reservoir.If detect refrigerant in high pressure fluid reservoir
Liquid level be not up to set position, then fill refrigerant to the inside of high pressure fluid reservoir；If detect refrigerant in high pressure fluid reservoir
Liquid level reach the position of setting, then stop filling refrigerant into high pressure fluid reservoir.Setting in this way makes installation or repair
Personnel can carry out the air-conditioning newly installed or transformed the quantitative filling of refrigerant, i.e. long without carrying out pipeline before refrigerant is filled
The calculating of degree can directly carry out the filling operation of refrigerant, so as to reduce the time of coolant injection operation to a certain extent, carry
The installation of high air-conditioning and maintenance efficiency.Also, by that can realize that quantifying for refrigerant is filled to the detection of liquid level in high pressure fluid reservoir
Note, so that the filling operation of air conditioner coolant is more accurate.
Further, temperature detection is carried out by the temperature to predeterminated position in high pressure fluid reservoir, so as to according to temperature
Variation judges whether the liquid level of refrigerant reaches predeterminated position.Specifically, in the case of air conditioner refrigerating standard-sized sheet, during the counting period
The temperature gap of the predeterminated position of interior high pressure fluid reservoir when temperature gap variation is smaller, can determine whether front and rear detection at this time
When the predeterminated position detected medium do not change, judge that refrigerant not yet reaches the predeterminated position；
When the temperature gap changes larger, judge that refrigerant reaches the predeterminated position.Pass through this detection mode, Ke Yizhun
Really judge whether refrigerant reaches predeterminated position, so as to fulfill the accurate and quantitative filling of refrigerant.
Description of the drawings
Fig. 1 is the structure diagram of the air-conditioning of the present invention；
Fig. 2 is the flow diagram of the coolant injection method of the air-conditioning of the present invention；
Fig. 3 is the flow diagram of the coolant injection embodiment of the method for the air-conditioning of the present invention.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.
In view of pointed out in background technology " multi-gang air-conditioner machine refrigerant super-addition is quantitatively added according to length of pipe, is chased after
The length computation coolant quantity according to pipeline is first had to before adding, is then quantitatively added " process it is cumbersome.The present invention provides a kind of skies
The coolant injection method and air-conditioning of tune, it is intended to realize automatic, the quantitative and accurate filling of air conditioner coolant.
Referring to Fig. 2, Fig. 2 is the flow diagram of the coolant injection method of the air-conditioning of the present invention.
As shown in Fig. 2, the present invention provides a kind of coolant injection method of air-conditioning, wherein, which includes high pressure fluid reservoir, should
Coolant injection method comprises the following steps：Obtain the liquid level of refrigerant in the high pressure fluid reservoir；According to the liquid level, selectively to this
Filling refrigerant in high pressure fluid reservoir.Specifically, as shown in Figure 1, the air-conditioning of the present invention includes the circulatory system and and the circulatory system
The coolant injection system of connection, the coolant injection system are used to perform above-mentioned coolant injection method.The coolant injection system has
Body is included along the sequentially connected coolant injection shut-off valve 1 in refrigerant flow direction, coolant injection solenoid valve 2, coolant injection solenoid valve
3；The air-conditioning system includes high pressure fluid reservoir 5, the temperature sensor 4 being arranged on the high pressure fluid reservoir 5, above-mentioned coolant injection
Solenoid valve 3 is connected with above-mentioned temperature sensor 4.In the present invention, by obtaining the liquid level of refrigerant in high pressure fluid reservoir, according to
The liquid level judges the amount of refrigerant inside high pressure fluid reservoir, is then decided whether according to the result of judgement in high pressure fluid reservoir
Carry out coolant injection.It is effective to avoid according to air-conditioning duct length to calculate the additional quantity of refrigerant and then quantitatively add cumbersome
Program.
It should be noted that in the inventive solutions, obtaining the liquid level of refrigerant in high pressure fluid reservoir can pass through
Temperature sensor detects the variation of its internal temperature, and the variation of its inside liquid level can also be directly detected by liquid level sensor,
Can also be detected by range sensor its inside liquid level distance variation in addition can also can by those skilled in the art
Any method for being able to detect that liquid level variation expected.Those skilled in the art can flexibly choose in actual application
The method of liquid level can simultaneously obtain the testing result in detection high pressure fluid reservoir.
Preferably, the step of above-mentioned " according to the liquid level, selectively filling refrigerant into the high pressure fluid reservoir ", is further
Including：Judge whether the liquid level reaches setting liquid level；If the liquid level not up to sets liquid level, it continue/is spaced to high pressure and stores up
Filling refrigerant in flow container.That is, the position that the setting liquid level is set can reflect the liquid level of refrigerant in high pressure fluid reservoir
Just, whether wherein, which can be arranged on the middle part of high pressure fluid reservoir, that is, judge its internal coolant quantity more than one
Half, but above-mentioned setting liquid level can also be arranged on any position of high pressure fluid reservoir, those skilled in the art can regard actual
Service condition come select setting liquid level position.It by inventor's experiment repeatedly, observation, analyzes and compares, determine setting liquid
When position is arranged on the middle part of high pressure fluid reservoir, the scheme of air conditioner coolant filling is optimal.
In the case of needing to fill refrigerant into high pressure fluid reservoir, constantly refrigerant can be filled into high pressure fluid reservoir
One section of preset time, then detect whether refrigerant liquid level reaches setting liquid level；Can also compartment of terrain filled into high pressure fluid reservoir it is cold
One section of preset time of matchmaker detects whether refrigerant liquid level has reached setting liquid level again, wherein, preset time can be according to reality
Situation is neatly adjusted and set, if meet the coolant injection amount that is determined by preset time can reach air-conditioning to refrigerant how much
Demand.
Preferably, the step of above-mentioned " according to the liquid level, selectively filling refrigerant into the high pressure fluid reservoir ", is into one
Step includes：If the liquid level reaches setting liquid level, stop filling into high pressure fluid reservoir again after the first preset time cold
Matchmaker.That is, determining the time of refrigerant according to the liquid level of refrigerant in high pressure fluid reservoir, set if the liquid level of refrigerant has reached
Determine liquid level, then fill refrigerant into high pressure fluid reservoir, after the first preset time, terminate the filling of refrigerant.
It should be noted that the value of the first preset time can be fixed, i.e., the amount of any air-conditioning filling refrigerant is one
Fixed；Can also be changed according to the use demand difference of air-conditioning, i.e., different air-conditionings is under different use environments
Can the filling of refrigerant be carried out according to actual needs；First preset time can also be zero, that is, detect that refrigerant liquid level reaches
During to setting liquid level, stop filling refrigerant into high pressure fluid reservoir immediately.
Preferably, which further includes to detect the temperature-detecting device of predeterminated position temperature in high pressure fluid reservoir.It should
Temperature-detecting device can be temperature sensor, and precision is integer, but is not limited to the temperature sensor of this kind of precision, can be with
The first temperature value for drawing is tested under specific operating mode according to those skilled in the art, the numerical value of second temperature value selects to close
The temperature sensor of suitable precision.The temperature-detecting device can also be any detection temperature of being capable of such as thermometer or thermoelectric couple
Device.
It should be noted that the height of predeterminated position and above-mentioned setting liquid level is in same level, for example, by default position
The lower part for being arranged on high pressure fluid reservoir, middle part or top are put, those skilled in the art can select pre- depending on actual use situation
If the height of position.
The step of " liquid level for obtaining refrigerant in high pressure fluid reservoir ", includes：Obtain the temperature in high pressure fluid reservoir；According to this
The variation degree of temperature judges the liquid level of refrigerant in high pressure fluid reservoir.Its working mechanism is：It is if not cold in high pressure fluid reservoir
When the liquid level of matchmaker or its internal refrigerant is less than above-mentioned predeterminated position, then what temperature-detecting device detected is the high pressure fluid reservoir
The temperature of inner air；If the liquid level full of refrigerant or its internal refrigerant in high pressure fluid reservoir is higher than above-mentioned predeterminated position
When, then what temperature-detecting device detected is the temperature of refrigerant inside the high pressure fluid reservoir.Due to the temperature and refrigerant of air
Temperature is different, and the temperature change detected by the temperature-detecting device can interpolate that the liquid level of refrigerant in high pressure fluid reservoir.
It should be noted that the method for above-mentioned " liquid level for obtaining refrigerant in high pressure fluid reservoir ", can not only pass through temperature
The mode of detection device detection is realized, can also use liquid level detection device or any those skilled in the art can be true
Determine the mode of liquid level.
Preferably, the step of above-mentioned " according to the variation degree of temperature, judging the liquid level of refrigerant in high pressure fluid reservoir ", also wraps
It includes：Obtain the first temperature value of predeterminated position；After the second preset time, the second temperature value of predeterminated position is obtained；It calculates
The temperature difference of first temperature value and second temperature value；If the temperature difference is less than or equal to the first preset temperature, the liquid level of refrigerant
Not up to predeterminated position.It should be noted that the differential thermal calculation method between the first temperature value and second temperature value is：First temperature
Angle value subtracts second temperature value.Size between the above-mentioned temperature difference and the first preset temperature, can reflect in high pressure fluid reservoir
The variation of refrigerant liquid level, if the first temperature value is the temperature of air in high pressure fluid reservoir, second temperature value is high pressure fluid reservoir
The temperature of interior refrigerant, then for second temperature value centainly less than the first temperature value, the temperature difference presets temperature if less than or equal to first
Degree, then the liquid level of refrigerant is not up to predeterminated position, it is necessary to fill refrigerant into high pressure fluid reservoir；If the first temperature value is high pressure
The temperature of air in fluid reservoir, second temperature value are also the temperature of air in high pressure fluid reservoir, should with the rise of refrigerant liquid level
The temperature of air can decrease in high pressure fluid reservoir, then the first temperature value be less than second temperature value, the temperature difference if less than etc.
In the first preset temperature, then the liquid level of refrigerant not up to presets civilian post, it is necessary to be filled into the high pressure fluid reservoir in high pressure fluid reservoir
Note refrigerant.Above-mentioned first preset temperature is the present inventor's repetition test, observation, analyzes and compare, and definite can accurately really
Determine the temperature value of refrigerant liquid level.
Preferably, the step of above-mentioned " according to the variation degree of temperature, judging the liquid level of refrigerant in high pressure fluid reservoir ", includes：
If the temperature difference is more than or equal to the second preset temperature, which reaches predeterminated position, wherein, the second preset temperature is more than the
One preset temperature.The temperature difference obtained by above-mentioned differential thermal calculation method, if it is larger than or equal to the second preset temperature, wherein, the
Two preset temperatures are more than the first preset temperature, illustrate the temperature change bigger between the first temperature value and second temperature value, then say
The liquid level of refrigerant has reached predetermined position in bright high pressure fluid reservoir.
It should be noted that the first above-mentioned preset temperature, the second preset temperature, are not limited to fixed value, can also be
The different numerical value that those skilled in the art draw under specific operating mode according to experiment.
Preferably, between above-mentioned " liquid level for obtaining refrigerant in high pressure fluid reservoir " step, above-mentioned air conditioner refrigerating standard-sized sheet fortune
Turn.
Referring to Fig. 3, Fig. 3 is the flow diagram of the coolant injection embodiment of the method for the air-conditioning of the present invention.As shown in figure 3,
The step of coolant injection method, includes：
s1：Air conditioner refrigerating standard-sized sheet operates；
s2：Temperature value Tre at detection temperature detection device determines the temperature of the first temperature value Treo and second of interval time
Angle value Tren；
s3：Calculate the temperature difference of the first temperature value and second temperature value：Treo-Tren；
s4：Judge the size between Treo-Tren and the first preset temperature, the second preset temperature；
s5：If Treo-Tren is greater than or equal to the second preset temperature, after filling the first preset time of refrigerant, terminate
Filling；
s6：If Treo-Tren is less than or equal to the first preset temperature, the second preset time of refrigerant is filled, by the
After one preset time, the size of Treo-Tren and the first preset temperature is reaffirmed.
It is default by the temperature difference between the first temperature value and second temperature value and first in the above embodiment of the present invention
Comparison between temperature, the second preset temperature can realize the automatic filling of air conditioner coolant.
Carry out the technical solution that the present invention will be described in detail with reference to a specific embodiment：
In the case of a kind of possible, as shown in Figure 1, refrigerant tank access coolant injection shut-off valve 1, makes air conditioner refrigerating standard-sized sheet
Operating closes coolant injection solenoid valve 2, and opens coolant injection solenoid valve 3, at this point, refrigerant is not filled in high pressure fluid reservoir 5,
In air-conditioner set operational process, temperature sensor 4 detects the temperature Treo of predetermined position in high pressure fluid reservoir 5 for the first time,
After 10s, the temperature Tren of predetermined position in high pressure fluid reservoir 5 is detected again, and calculates the front and rear predetermined position
The temperature difference：Treo-Tren, if Treo-Tren≤5 DEG C, i.e. the predeterminated position in high pressure fluid reservoir 5 is in temperature before and after 10s
Variation is little, and interior media does not change, then coolant injection solenoid valve 2 opens 10s, is often repeated once by 3min above-mentioned
Operation, i.e. refrigerant 10s is often filled into high pressure fluid reservoir 5 by 3min；If Treo-Tren >=6 DEG C, i.e. high pressure fluid reservoir
Front and rear temperature gap changes greatly in 5, can interpolate that its interior media changes, then coolant injection solenoid valve 2 opens 3min,
That is, refrigerant persistently fills 3min into high pressure fluid reservoir 5 in refrigerant tank, is then shut off coolant injection solenoid valve 2 and coolant injection
Solenoid valve 3 terminates the automatic filling of refrigerant.
In another possible scenario, as shown in Figure 1, air conditioner circulating system and the execution of the coolant injection circulatory system are above-mentioned
Operation, if Treo-Tren >=6 DEG C, i.e. temperature change is larger before and after the predetermined position inside high pressure fluid reservoir 5, can sentence
Break and its interior media and change, then close coolant injection solenoid valve 2 and coolant injection solenoid valve 3 immediately, refrigerant it is automatic
Filling terminates.
So far, have been combined preferred embodiment shown in the drawings and describe technical scheme, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
On the premise of the principle of invention, those skilled in the art can make correlation technique feature equivalent change or replacement, these
Technical solution after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of coolant injection method of air-conditioning, which is characterized in that the air-conditioning includes high pressure fluid reservoir, the coolant injection side
Method includes：
Obtain the liquid level of refrigerant in the high pressure fluid reservoir；
According to the liquid level, selectively refrigerant is filled into the high pressure fluid reservoir.
2. coolant injection method according to claim 1, which is characterized in that " according to the liquid level, selectively to described
The step of filling refrigerant in high pressure fluid reservoir ", includes：
Judge whether the liquid level reaches setting liquid level；
If the liquid level is not up to the setting liquid level, it continue/is spaced and fills refrigerant into the high pressure fluid reservoir.
3. coolant injection method according to claim 2, which is characterized in that " according to the liquid level, selectively to described
The step of filling refrigerant in high pressure fluid reservoir ", further includes：
If the liquid level reaches the setting liquid level, stop again after the first preset time into the high pressure fluid reservoir
Fill refrigerant.
4. coolant injection method according to claim 2, which is characterized in that " according to the liquid level, selectively to described
The step of filling refrigerant in high pressure fluid reservoir ", further includes：
If the liquid level reaches the setting liquid level, stop filling refrigerant into the high pressure fluid reservoir immediately.
5. coolant injection method according to any one of claim 1 to 4, which is characterized in that the air-conditioning further includes use
In the temperature-detecting device for detecting predeterminated position temperature in the high pressure fluid reservoir, " refrigerant in the high pressure fluid reservoir is obtained
The step of liquid level ", includes：
Obtain the temperature in the high pressure fluid reservoir；
According to the variation degree of the temperature, the liquid level of refrigerant in the high pressure fluid reservoir is judged.
6. coolant injection method according to claim 5, which is characterized in that " according to the variation degree of the temperature, judge
The step of liquid level of refrigerant in the high pressure fluid reservoir ", includes：
Obtain the first temperature value of the predeterminated position；
After the second preset time, the second temperature value of the predeterminated position is obtained；
Calculate the temperature difference of first temperature value and the second temperature value；
If the temperature difference is less than or equal to the first preset temperature, the liquid level is not up to the predeterminated position.
7. coolant injection method according to claim 6, which is characterized in that " according to the variation degree of the temperature, judge
The step of liquid level of refrigerant in the high pressure fluid reservoir ", includes：
If the temperature difference is more than or equal to the second preset temperature, the liquid level reaches the predeterminated position,
Wherein, second preset temperature is more than first preset temperature.
8. coolant injection method according to claim 5, which is characterized in that the temperature-detecting device is temperature sensing
Device.
9. coolant injection method according to any one of claim 1 to 4, which is characterized in that " obtaining the high pressure storage
Before the step of liquid level of refrigerant in flow container ", the coolant injection method further includes：Operate the air conditioner refrigerating standard-sized sheet.
10. a kind of air-conditioning, which is characterized in that the air-conditioning includes the circulatory system and the coolant injection being connected with the circulatory system
System, coolant injection method of the coolant injection system any one of for perform claim requirement 1 to 9.
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| CN201711216543.7A CN108061411A (en) | 2017-11-28 | 2017-11-28 | The coolant injection method and air-conditioning of air-conditioning |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426108A (en) * | 2020-04-29 | 2020-07-17 | 珠海格力电器股份有限公司 | Refrigerant quantity control device and method and air conditioning equipment |
| CN113701411A (en) * | 2021-10-29 | 2021-11-26 | 天津飞旋科技股份有限公司 | Refrigerant cooling system and method of frequency converter |
| CN113959122A (en) * | 2021-09-16 | 2022-01-21 | 青岛海尔空调电子有限公司 | Refrigeration system, control method and control device for refrigeration system |
| CN113983637A (en) * | 2021-10-27 | 2022-01-28 | 珠海格力电器股份有限公司 | Air conditioner refrigerant circulation loop refrigerant quantity control method and device and air conditioner |
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| CN206387158U (en) * | 2016-12-27 | 2017-08-08 | 同方威视技术股份有限公司 | Liquid refrigerant supplementary device |
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| CN113959122A (en) * | 2021-09-16 | 2022-01-21 | 青岛海尔空调电子有限公司 | Refrigeration system, control method and control device for refrigeration system |
| CN113983637A (en) * | 2021-10-27 | 2022-01-28 | 珠海格力电器股份有限公司 | Air conditioner refrigerant circulation loop refrigerant quantity control method and device and air conditioner |
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