CN110094843A - Method and device for controlling air conditioner based on refrigerant shortage grade - Google Patents
Method and device for controlling air conditioner based on refrigerant shortage grade Download PDFInfo
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- CN110094843A CN110094843A CN201910376952.6A CN201910376952A CN110094843A CN 110094843 A CN110094843 A CN 110094843A CN 201910376952 A CN201910376952 A CN 201910376952A CN 110094843 A CN110094843 A CN 110094843A
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 168
- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000004378 air conditioning Methods 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims description 11
- 230000007257 malfunction Effects 0.000 claims description 4
- 230000007812 deficiency Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a method and a device for controlling an air conditioner based on refrigerant shortage grade. Wherein, the method comprises the following steps: detecting whether the air conditioning unit is in a refrigerant lack state or not; determining the refrigerant lack grade of the air conditioning unit under the condition that the air conditioning unit is detected to be in the refrigerant lack state; acquiring the priority level of at least one preset area controlled by an air conditioning unit; and controlling the air conditioning unit to operate according to the refrigerant shortage grade and the priority grade. The invention solves the technical problems that the existing multi-split system can directly report faults when the refrigerant is deficient to a certain degree and can not control the air conditioning unit according to the refrigerant deficiency degree.
Description
Technical field
The present invention relates to equipment control fields, in particular to a kind of side of control air-conditioning based on scarce refrigerant grade
Method and device.
Background technique
Multi-gang air-conditioner has many advantages, such as that energy conservation, maintenance cost are low, installation is simple and obtains in people's daily life
It is widely applied.However, the systematic comparison of multi-gang air-conditioner is complicated, when multi-gang air-conditioner breaks down, it usually needs experience is rich
Rich personnel, which carry out multi-party investigation, just can determine that the specific failure of multi-connection air-conditioning, for example, low-voltage variation occurs in multi-gang air-conditioner
When, possible cause includes lacking refrigerant, system jams, low pressure sensor exception etc..It is mentioned in addition, existing multi-gang air-conditioner also lacks
Preceding early warning mechanism can not remind user to handle as early as possible.For example, system usually only can be right when multi-line system lacks refrigerant
Low-voltage variation carries out early warning, and can not judge whether multi-gang air-conditioner is in scarce refrigerant state；It is arrived when multi-line system lacks refrigerant
When to a certain degree, multi-gang air-conditioner typically directly reports failure, can not give warning in advance and corresponding emergency flight control.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The method and apparatus for controlling air-conditioning based on scarce refrigerant grade that the embodiment of the invention provides a kind of, at least to solve
Existing multi-line system directly reports failure when scarce refrigerant reaches a certain level, can not be according to scarce refrigerant degree to air-conditioner set
The technical issues of being controlled.
According to an aspect of an embodiment of the present invention, a kind of method for controlling air-conditioning is provided, comprising: detection air-conditioner set
Whether in scarce refrigerant state；In the case where detecting that air-conditioner set is in scarce refrigerant state, determine that lacking for air-conditioner set is cold
Matchmaker's grade；Obtain the priority level at least one predeterminable area that air-conditioner set is controlled；According to scarce refrigerant grade and preferentially
Grade controls air-conditioner set operation.
Further, the method for air-conditioning is controlled further include: obtain the operating parameter of air-conditioner set；Compare operating parameter and pre-
The size of setting parameter, obtains comparison result；Determine whether air-conditioner set is in scarce refrigerant state according to comparison result.
Further, operating parameter includes at least: indoor unit outlet pipe temperature, system high pressure, is at the aperture of electric expansion valve
System low pressure.
Further, lacking refrigerant grade includes at least one of the first estate, the second grade, the tertiary gradient, and control is empty
The method of tune further include: in the first duration, detect that indoor unit outlet pipe temperature is greater than the first temperature, and electric expansion valve is opened
In the case that degree is greater than the first aperture, and system high pressure is less than first pressure, and system low-voltage is less than second pressure, air-conditioning is determined
The scarce refrigerant grade of unit is the first estate；In the second duration, detect that indoor unit outlet pipe temperature is greater than second temperature, and electricity
The aperture of sub- expansion valve is greater than the second aperture, and system high pressure is less than third pressure, and system low-voltage is less than the feelings of the 4th pressure
Under condition, determine that the scarce refrigerant grade of air-conditioner set is the second grade；In third duration, detect that indoor unit outlet pipe temperature is greater than
Third temperature, and the aperture of electric expansion valve is greater than third aperture, and system high pressure is less than the 5th pressure, and system low-voltage is less than
In the case where 6th pressure, determine that the scarce refrigerant grade of air-conditioner set is the tertiary gradient.
Further, the method for air-conditioning is controlled further include: the case where the scarce refrigerant grade of air-conditioner set is the first estate
Under, control air-conditioner set operates normally, and generates the first prompt information, wherein the first prompt information characterizes air-conditioner set operation
Normally, but air-conditioner set is in and lacks refrigerant state.
Further, the method for air-conditioning is controlled further include: the case where the scarce refrigerant grade of air-conditioner set is the second grade
Under, control air-conditioner set enters emergency operating state, and generates the second prompt information, wherein the second prompt information characterizes air-conditioning
Unit is operating abnormally.
Further, in the case where air-conditioner set is in emergency operating state, control priority level is greater than predetermined level
First area in air-conditioner set operation, control priority level be less than or equal to predetermined level second area in air-conditioner set
It is out of service, and control electric expansion valve closing.
Further, the method for air-conditioning is controlled further include: the case where the scarce refrigerant grade of air-conditioner set is the tertiary gradient
Under, it is out of service to control all air-conditioner sets, and generate third prompt information, wherein third prompt information characterizes air conditioner
Group is in malfunction.
Further, in the case where scarce refrigerant grade includes the first estate, the second grade, the tertiary gradient, the first duration
More than or equal to the second duration, the second duration is more than or equal to third duration, and the first temperature is less than or equal to second temperature, and second temperature is small
In being equal to, third temperature is equal, and the first aperture is less than or equal to the second aperture, and the second aperture is less than or equal to third aperture, first pressure
More than or equal to third pressure, third pressure is more than or equal to the 5th pressure, and second pressure is more than or equal to the 4th pressure, and the 4th pressure is big
In being equal to the 6th pressure, first pressure, third pressure, the 5th pressure are positive value, and second pressure, the 4th pressure, the 6th pressure are
Negative value.
According to another aspect of an embodiment of the present invention, a kind of device for controlling air-conditioning is additionally provided, comprising: detection module,
For detecting whether air-conditioner set is in scarce refrigerant state；Determining module, for detecting air-conditioner set in scarce refrigerant shape
In the case where state, the scarce refrigerant grade of air-conditioner set is determined；Module is obtained, for obtaining at least one that air-conditioner set controlled
The priority level of predeterminable area；Control module, for according to scarce refrigerant grade and priority level control air-conditioner set operation.
According to another aspect of an embodiment of the present invention, a kind of air-conditioning device is additionally provided, comprising: acquisition unit, for adopting
Collect the operating parameter of air-conditioner set；Control unit, for determining whether air-conditioner set is in scarce refrigerant state according to operating parameter,
And in the case where determining that air-conditioner set is in scarce refrigerant state, scarce refrigerant grade and the air-conditioner set institute of air-conditioner set are determined
The priority level of at least one predeterminable area of control, and according to scarce refrigerant grade and priority level control air-conditioner set fortune
Row.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, which includes storage
Program, wherein the method that equipment where control storage medium executes control air-conditioning in program operation.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, which is used to run program,
In, the method for control air-conditioning is executed when program is run.
In embodiments of the present invention, the corresponding behaviour of air-conditioner set execution is controlled using according to the scarce refrigerant grade of air-conditioner set
The mode of work, in the case where detecting that air-conditioner set is in scarce refrigerant state, it is first determined the scarce refrigerant grade of air-conditioner set,
And the priority level at least one predeterminable area that air-conditioner set is controlled is obtained, then according to scarce refrigerant grade and priority scheduling
Grade control air-conditioner set operation.
In above process, operation corresponding with scarce refrigerant grade performed by air-conditioner set includes the execution of air-conditioner set
Movement (for example, shutdown) and corresponding prompt information.Under different scarce refrigerant grades, not same district that air-conditioner set is controlled
In domain, air-conditioner set executes different operations, can achieve the purpose of protection air-conditioner set, for example, higher ranked in scarce refrigerant
In the case where, the air-conditioner set operation in the high region of control priority level, and control the sky in the lower region of priority level
Adjust unit out of service, to protect air-conditioner set；It is lower in scarce refrigerant grade, the case where air-conditioner set operates normally is not influenced
Under, it can control air-conditioner set to operate normally, and generate prompt information, lack refrigerant state, Jin Eryong to remind user's air-conditioning to be in
Family can take corresponding protection operation.
It can be seen that can achieve in the scarce refrigerant unit allocation air-conditioner set according to air-conditioner set in scarce refrigerant shape
The air-conditioner set of state carries out the purpose of grading control, to realize giving warning in advance and meeting an urgent need to the air-conditioner set of scarce refrigerant
The technical effect of control, and then solve existing multi-line system and directly report failure, nothing when scarce refrigerant reaches a certain level
The technical issues of method controls air-conditioner set according to scarce refrigerant degree.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of method flow diagram for controlling air-conditioning according to an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram of optional control air-conditioning according to an embodiment of the present invention；
Fig. 3 is a kind of apparatus structure schematic diagram for controlling air-conditioning according to an embodiment of the present invention；And
Fig. 4 is a kind of structural schematic diagram of air-conditioning device according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the method for controlling air-conditioning is provided, it should be noted that in attached drawing
The step of process illustrates can execute in a computer system such as a set of computer executable instructions, although also,
Logical order is shown in flow chart, but in some cases, it can be to be different from shown by sequence execution herein or retouch
The step of stating.
Fig. 1 is the method flow diagram of control air-conditioning according to an embodiment of the present invention, as shown in Figure 1, this method includes as follows
Step:
Whether step S102, detection air-conditioner set are in scarce refrigerant state.
Optionally, it can determine whether air-conditioner set is in scarce refrigerant state by detecting the operating parameter of air-conditioner set,
Wherein, the operating parameter of air-conditioner set includes at least: indoor unit outlet pipe temperature, the aperture of electric expansion valve, system high pressure, system
Low pressure.
Optionally, by comparing indoor unit outlet pipe temperature, the aperture of electric expansion valve, system high pressure, system low-voltage respectively
Determine whether air-conditioner set is in scarce refrigerant state with the size of corresponding preset threshold, for example, comparing indoor unit outlet pipe
Temperature and preset temperature, the aperture of electric expansion valve and default aperture, system high pressure and preset high-pressure, system low-voltage with preset it is low
The size of pressure, indoors machine outlet pipe temperature, the aperture of electric expansion valve, system high pressure, system low-voltage numerical value all normal
In the case where in numberical range, determine that air-conditioner set is not in scarce refrigerant state；Machine outlet pipe temperature, electric expansion valve indoors
In the case that one or more of aperture, system high pressure, numerical value of system low-voltage are in improper numberical range, determine empty
It adjusts unit to be in and lacks refrigerant state.
Step S104 determines the scarce refrigerant of air-conditioner set in the case where detecting that air-conditioner set is in scarce refrigerant state
Grade.
It should be noted that each scarce refrigerant grade is corresponding with the default operational factor of air-conditioner set, for example, in air-conditioning
When the scarce refrigerant degree of unit is lower, the default operational factor of air-conditioner set are as follows: indoor unit outlet pipe temperature is 17 DEG C, electronic expansion
The aperture of valve is 350, system high pressure is 30 DEG C, system low-voltage is -20 DEG C, i.e., machine outlet pipe temperature is 17 DEG C indoors, and electronics is swollen
The aperture of swollen valve is greater than 350, and system high pressure is less than 30 DEG C, in the case that system low-voltage is less than -20 DEG C, determines lacking for air-conditioner set
Refrigerant grade is the first estate.
Step S106 obtains the priority level at least one predeterminable area that air-conditioner set is controlled.
It should be noted that air-conditioner set can control the environmental parameter in multiple predeterminable areas, wherein different
Predeterminable area has different priority levels.In addition, the priority level of different zones can be by user's sets itself, it can also be by air-conditioning
Group setup.
Optionally, it is illustrated by taking the priority level in air-conditioner set sets itself region as an example.Air-conditioner set has image
Acquire equipment and image recognition apparatus.Image capture device is after collecting the image information of predeterminable area, image recognition
Equipment identifies that the processor of air-conditioner set determines each predeterminable area according to recognition result to acquired image information
Priority level, for example, recognition result instruction predeterminable area in the size of population be less than preset quantity, and/or, inlet flow rate
In the case where less than preset flow, determine that the priority level of the predeterminable area is low precedence.
Step S108, according to scarce refrigerant grade and priority level control air-conditioner set operation.
It should be noted that operation corresponding with scarce refrigerant grade performed by air-conditioner set includes the execution of air-conditioner set
Movement (for example, shutdown) and corresponding prompt information.I.e. under different scarce refrigerant grades, air-conditioner set executes different move
Make, and generate different prompt informations, for example, air-conditioner set operates normally, and generates the first of early warning and mention under the first estate
Show information, lacks refrigerant state to remind user's air-conditioner set to be in, but still can continue to run.Lacking the higher ranked situation of refrigerant
Under, the air-conditioner set operation in the high region of control priority level, and control the air-conditioner set in the lower region of priority level
It is out of service, to protect air-conditioner set
Based on scheme defined by above-mentioned steps S102 to step S108, it can know, using lacking according to air-conditioner set
Refrigerant grade control air-conditioner set executes the mode of corresponding operation, is detecting the case where air-conditioner set is in scarce refrigerant state
Under, it is first determined the scarce refrigerant grade of air-conditioner set, and obtain the preferential of at least one predeterminable area that air-conditioner set is controlled
Grade, then according to scarce refrigerant grade and priority level control air-conditioner set operation.
It is easily noted that, operation corresponding with scarce refrigerant grade performed by air-conditioner set includes holding for air-conditioner set
(for example, shutdown) and corresponding prompt information are made in action.Under different scarce refrigerant grades, difference that air-conditioner set is controlled
In region, air-conditioner set executes different operations, can achieve protection air-conditioner set purpose, for example, scarce refrigerant grade compared with
In the case where height, the air-conditioner set in the high region of control priority level is run, and is controlled in the lower region of priority level
Air-conditioner set is out of service, to protect air-conditioner set；It is lower in scarce refrigerant grade, the case where air-conditioner set operates normally is not influenced
Under, it can control air-conditioner set to operate normally, and generate prompt information, lack refrigerant state, Jin Eryong to remind user's air-conditioning to be in
Family can take corresponding protection operation.
It can be seen that can achieve in the scarce refrigerant unit allocation air-conditioner set according to air-conditioner set in scarce refrigerant shape
The air-conditioner set of state carries out the purpose of grading control, to realize giving warning in advance and meeting an urgent need to the air-conditioner set of scarce refrigerant
The technical effect of control, and then solve existing multi-line system and directly report failure, nothing when scarce refrigerant reaches a certain level
The technical issues of method controls air-conditioner set according to scarce refrigerant degree.
In a kind of optional scheme, before determining the scarce refrigerant grade of air-conditioner set, it is necessary first to detect air conditioner
Whether group is in scarce refrigerant state.Specifically, firstly, obtain the operating parameter of air-conditioner set, operating parameter and pre- is then compared
The size of setting parameter obtains comparison result, and determines whether air-conditioner set is in scarce refrigerant state according to comparison result.It is optional
, when carrying out parameter comparison, the parameter preset corresponding to each operating parameter is compared respectively, for example, comparing respectively
To indoor unit outlet pipe temperature and preset temperature, the aperture of electric expansion valve and default aperture, system high pressure and preset high-pressure, system
The size of low pressure and pre-set low pressure, when comparison result meets preset condition, it may be determined that air-conditioner set, which is in, lacks refrigerant state.
It should be noted that in this application, the scarce refrigerant grade of air-conditioner set includes the first estate, the second grade and
At least one of three grades, wherein under the first estate, air-conditioner set can be operated normally；Under the second grade, part can be made
Air-conditioner set operation；Under the tertiary gradient, the wholly off operation of air-conditioner set.
Specifically, in the case where scarce refrigerant grade includes the first estate, the second grade, the tertiary gradient, in the first duration
In t1, detect that indoor unit outlet pipe temperature is greater than the first temperature T1, and the aperture of electric expansion valve is greater than the first aperture A1, and is
In the case that high pressure of uniting is less than first pressure P1, and system low-voltage is less than second pressure P2, scarce refrigerant of air-conditioner set etc. is determined
Grade is the first estate.Wherein, in the case where the scarce refrigerant grade of air-conditioner set is the first estate, control air-conditioner set is normally transported
Row, and generate the first prompt information, wherein the first prompt information characterizes air-conditioner set normal operation, but air-conditioner set is in and lacks
Refrigerant state.
It should be noted that air-conditioner set is just in the case where determining the scarce refrigerant grade of air-conditioner set is the first estate
Often operation, but current unit is prompted to lack refrigerant, ask user to pay attention to.
Optionally, in the second duration t2, detect that indoor unit outlet pipe temperature is greater than second temperature T2, and electric expansion valve
Aperture be greater than the second aperture A2, and system high pressure is less than third pressure P3, and the case where system low-voltage is less than the 4th pressure P4
Under, determine that the scarce refrigerant grade of air-conditioner set is the second grade.The case where the scarce refrigerant grade of air-conditioner set is the second grade
Under, control air-conditioner set enters emergency operating state, and generates the second prompt information, wherein the second prompt information characterizes air-conditioning
Unit is operating abnormally.In the case where air-conditioner set is in emergency operating state, control priority level is greater than the of predetermined level
Air-conditioner set operation in one region, the air-conditioner set that control priority level is less than or equal in the second area of predetermined level stop
Operation, and control electric expansion valve closing.
It should be noted that the priority of user settable air-conditioner set institute control area, wherein determining air-conditioner set
Scarce refrigerant grade be the second grade in the case where, control the higher region of priority level air-conditioner set operation, other grades
Region air-conditioner set it is out of service, and electric expansion valve is closed to 0 step, while reminding user's unit abnormal, need to be joined as early as possible
It is that after-sales staff is visited maintenance.
For example, indoor unit outlet pipe temperature is 20 DEG C, the aperture of electric expansion valve fluctuates in the range of 440 to 460, system
High pressure is 22, and system low-voltage is -31, and maintains 2min in this state, it is determined that air-conditioner set, which is in, lacks the of refrigerant grade
Two grades.If there is 30 indoor units, wherein 1 to No. 5 indoor unit is that (i.e. priority level is greater than default priority scheduling to VIP indoor unit
The indoor unit of grade), then 6 to No. 30 indoor units are closed at this time, and maintain 1 to No. 5 indoor unit work, remind user's air conditioner
Group is abnormal, is currently at emergency operating state, need to contact after-sales staff as early as possible and visit maintenance.
Optionally, in third duration t3, detect that indoor unit outlet pipe temperature is greater than third temperature T3, and electric expansion valve
Aperture be greater than third aperture A3, the case where and system high pressure is less than the 5th pressure P5, and system low-voltage is less than the 6th pressure P6
Under, determine that the scarce refrigerant grade of air-conditioner set is the tertiary gradient.The case where the scarce refrigerant grade of air-conditioner set is the tertiary gradient
Under, it is out of service to control all air-conditioner sets, and generate third prompt information, wherein third prompt information characterizes air conditioner
Group is in malfunction.
It should be noted that in the case where determining the scarce refrigerant grade of air-conditioner set is the tertiary gradient, all air-conditionings
Unit (including all indoor units and outdoor unit) is all shut down, air-conditioner set report failure, is informed user's refrigerant serious leak, need to be stood
That is connection after-sales staff is visited maintenance.
In addition it is also necessary to explanation, in above process, the corresponding preset threshold of each operating parameter can be identical,
It can also be different, different parameters can be specifically formulated according to different units.Optionally, when the first duration is more than or equal to second
Long, the second duration is more than or equal to third duration, and the first temperature is less than or equal to second temperature, and second temperature is less than or equal to third temperature
Equal, the first aperture is less than or equal to the second aperture, and the second aperture is less than or equal to third aperture, and first pressure is more than or equal to third pressure
Power, third pressure are more than or equal to the 5th pressure, and second pressure is more than or equal to the 4th pressure, and the 4th pressure is more than or equal to the 6th pressure
Power, first pressure, third pressure, the 5th pressure are positive value, and second pressure, the 4th pressure, the 6th pressure are negative value.
Optionally, table 1 is a kind of table of the corresponding preset threshold of optional operating parameter, wherein in table 1, the first temperature
It is all the same to spend T1, second temperature T2, third temperature T3.
Table 1
| Label | t1 | t2 | t3 | T1 | T2 | T3 | A1 | A2 |
| Numerical value | 3 | 2 | 1 | 17 | 17 | 17 | 350 | 400 |
| Label | A3 | P1 | P2 | P3 | P4 | P5 | P6 | |
| Numerical value | 450 | 30 | -20 | 25 | -25 | 20 | -30 |
In a kind of optional scheme, Fig. 2 shows a kind of method flow diagrams of optional control air-conditioning.As shown in Figure 2,
Air-conditioner set is current to determine by detection indoor unit outlet pipe temperature, electronic expansion valve opening, system high pressure and system low-voltage
Air-conditioner set whether be in scarce refrigerant state, and determine air-conditioner set be in lack refrigerant state in the case where, determine lack it is cold
Matchmaker's grade.Specifically, air-conditioner set operates normally in the case where determining that air-conditioner set does not lack refrigerant.When scarce coolant quantity is few,
The scarce refrigerant grade for determining air-conditioner set is the first estate, wherein under the first estate, does not influence complete machine operation, air-conditioner set
It operates normally, only prompts to lack refrigerant.When refrigerant missing amount has influenced complete machine operation, scarce refrigerant of air-conditioner set etc. is determined
Grade is the second grade, at this point, forcibly closing machine in a part, maintains machine operating in small part, the i.e. high area of control priority level
Air-conditioner set in domain is run, and the air-conditioner set in remaining region is out of service, and user's air-conditioner set is reminded to be in emergency fortune
Row state needs coolant adding immediately.When refrigerant missing amount seriously affects complete machine operation, the scarce refrigerant grade of air-conditioner set is determined
For the tertiary gradient, at this point, forcibly closing outer machine and all interior machines, and current unit is prompted to be in failure shape because lacking refrigerant
State.
From the foregoing, it will be observed that scheme provided herein judges that current multi-gang air-conditioner is according to the system parameter of air-conditioner set
No be in lacks refrigerant state, and is prompted, to facilitate after-sales staff to judge failure and processing.
Embodiment 2
According to embodiments of the present invention, a kind of Installation practice for controlling air-conditioning is additionally provided, wherein Fig. 3 is according to this hair
The apparatus structure schematic diagram of the control air-conditioning of bright embodiment, as shown in figure 3, the device includes: detection module 301, determining module
303, module 305 and control module 307 are obtained.
Wherein, detection module 301, for detecting whether air-conditioner set is in scarce refrigerant state；Determining module 303, is used for
In the case where detecting that air-conditioner set is in scarce refrigerant state, the scarce refrigerant grade of air-conditioner set is determined；Module 305 is obtained,
For obtaining the priority level at least one predeterminable area that air-conditioner set is controlled；Control module 307, for according to scarce refrigerant
Grade and priority level control air-conditioner set operation.
Herein it should be noted that above-mentioned detection module 301, determining module 303, acquisition module 305 and control module
307 correspond to the step S102 to step S108 of above-described embodiment, the example and answer that four modules and corresponding step are realized
It is identical with scene, but it is not limited to the above embodiments 1 disclosure of that.
In a kind of optional scheme, detection module includes: the first acquisition module, comparison module and the first determining mould
Block.Wherein, first module is obtained, for obtaining the operating parameter of air-conditioner set, wherein operating parameter includes at least: indoor unit
Outlet pipe temperature, the aperture of electric expansion valve, system high pressure, system low-voltage；Comparison module, for comparing operating parameter and default ginseng
Several sizes, obtains comparison result；First determining module, for determining whether air-conditioner set is in scarce refrigerant according to comparison result
State.
In a kind of optional scheme, lack refrigerant grade include the first estate, the second grade, in the tertiary gradient at least it
One, wherein determining module includes: the second determining module, third determining module and the 4th determining module.Wherein, it second determines
Module, in the first duration, detecting that indoor unit outlet pipe temperature is greater than the first temperature, and the aperture of electric expansion valve is greater than
First aperture, and system high pressure is less than first pressure, and system low-voltage determines air-conditioner set less than in the case where second pressure
Lacking refrigerant grade is the first estate.Third determining module.Wherein, third determining module, for detecting room in the second duration
Interior machine outlet pipe temperature is greater than second temperature, and the aperture of electric expansion valve is greater than the second aperture, and system high pressure is less than third pressure
Power, and in the case that system low-voltage is less than the 4th pressure, determine that the scarce refrigerant grade of air-conditioner set is the second grade.4th determines
Module, in third duration, detecting that indoor unit outlet pipe temperature is greater than third temperature, and the aperture of electric expansion valve is greater than
Third aperture, and in the case that system high pressure is less than the 5th pressure, and system low-voltage is less than the 6th pressure, determine air-conditioner set
Lacking refrigerant grade is the tertiary gradient.
In a kind of optional scheme, control module includes: the first control module.Wherein, the first control module is used for
In the case that the scarce refrigerant grade of air-conditioner set is the first estate, control air-conditioner set is operated normally, and generates the first prompt letter
Breath, wherein the first prompt information characterizes air-conditioner set normal operation, but air-conditioner set is in and lacks refrigerant state.
In a kind of optional scheme, control module includes: the second control module and third control module.Wherein,
Two control modules, in the case where the scarce refrigerant grade of air-conditioner set is the second grade, control air-conditioner set to enter emergency
Operating status, and generate the second prompt information, wherein the second prompt information characterizes air-conditioner set and is operating abnormally.Third controls mould
Block, in the case where air-conditioner set is in emergency operating state, control priority level to be greater than the first area of predetermined level
Interior air-conditioner set operation, the air-conditioner set that control priority level is less than or equal in the second area of predetermined level is out of service,
And control electric expansion valve closing.
In a kind of optional scheme, control module includes: the 4th control module.Wherein, the 4th control module is used for
In the case that the scarce refrigerant grade of air-conditioner set is the tertiary gradient, it is out of service to control all air-conditioner sets, and generate third
Prompt information, wherein third prompt information characterization air-conditioner set is in malfunction.
Optionally, in the case where scarce refrigerant grade includes the first estate, the second grade, the tertiary gradient, first when, grows up
In being equal to the second duration, the second duration is more than or equal to third duration, and the first temperature is less than or equal to second temperature, and second temperature is less than
Equal equal to third temperature, the first aperture is less than or equal to the second aperture, and the second aperture is less than or equal to third aperture, and first pressure is big
In being equal to third pressure, third pressure is more than or equal to the 5th pressure, and second pressure is more than or equal to the 4th pressure, and the 4th pressure is greater than
Equal to the 6th pressure, first pressure, third pressure, the 5th pressure are positive value, and second pressure, the 4th pressure, the 6th pressure are negative
Value.
Embodiment 3
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, which includes storage
Program, wherein the method that equipment where control storage medium executes the control air-conditioning in embodiment 1 in program operation.
Embodiment 4
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, which is used to run program,
In, the method for the control air-conditioning in embodiment 1 is executed when program is run.
Embodiment 5
According to embodiments of the present invention, a kind of embodiment of air-conditioning device is additionally provided, wherein Fig. 4 is real according to the present invention
The structural schematic diagram of the air-conditioning device of example is applied, as shown in figure 4, the air-conditioning device includes: acquisition unit 401 and control unit
403。
Wherein, acquisition unit, for acquiring the operating parameter of air-conditioner set；Control unit, for true according to operating parameter
Determine whether air-conditioner set is in scarce refrigerant state, and in the case where determining that air-conditioner set is in scarce refrigerant state, determines air-conditioning
The priority level at least one predeterminable area that the scarce refrigerant grade and air-conditioner set of unit are controlled, and according to scarce refrigerant etc.
Grade and priority level control air-conditioner set operation.
From the foregoing, it will be observed that controlling the side that air-conditioner set executes corresponding operation using according to the scarce refrigerant grade of air-conditioner set
Formula, in the case where detecting that air-conditioner set is in scarce refrigerant state, it is first determined the scarce refrigerant grade of air-conditioner set, and obtain
The priority level at least one predeterminable area that air-conditioner set is controlled, then according to scarce refrigerant grade and priority level control
Air-conditioner set operation.
It is easily noted that, operation corresponding with scarce refrigerant grade performed by air-conditioner set includes holding for air-conditioner set
(for example, shutdown) and corresponding prompt information are made in action.Under different scarce refrigerant grades, difference that air-conditioner set is controlled
In region, air-conditioner set executes different operations, can achieve protection air-conditioner set purpose, for example, scarce refrigerant grade compared with
In the case where height, the air-conditioner set in the high region of control priority level is run, and is controlled in the lower region of priority level
Air-conditioner set is out of service, to protect air-conditioner set；It is lower in scarce refrigerant grade, the case where air-conditioner set operates normally is not influenced
Under, it can control air-conditioner set to operate normally, and generate prompt information, lack refrigerant state, Jin Eryong to remind user's air-conditioning to be in
Family can take corresponding protection operation.
It can be seen that can achieve in the scarce refrigerant unit allocation air-conditioner set according to air-conditioner set in scarce refrigerant shape
The air-conditioner set of state carries out the purpose of grading control, to realize giving warning in advance and meeting an urgent need to the air-conditioner set of scarce refrigerant
The technical effect of control, and then solve existing multi-line system and directly report failure, nothing when scarce refrigerant reaches a certain level
The technical issues of method controls air-conditioner set according to scarce refrigerant degree.
In addition it is also necessary to illustrate, the air-conditioning device in the present embodiment, which can be performed, controls air-conditioning provided by embodiment 1
Method, related content is illustrated in embodiment 1, and details are not described herein.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (13)
1. a kind of method for controlling air-conditioning characterized by comprising
Whether detection air-conditioner set is in scarce refrigerant state；
In the case where detecting that the air-conditioner set is in the scarce refrigerant state, scarce refrigerant of the air-conditioner set etc. is determined
Grade；
Obtain the priority level at least one predeterminable area that the air-conditioner set is controlled；
The air-conditioner set operation is controlled according to the scarce refrigerant grade and the priority level.
2. the method according to claim 1, wherein whether detection air-conditioner set is in scarce refrigerant state, comprising:
Obtain the operating parameter of the air-conditioner set；
The size for comparing the operating parameter and parameter preset, obtains comparison result；
Determine whether the air-conditioner set is in the scarce refrigerant state according to the comparison result.
3. according to the method described in claim 2, it is characterized in that, the operating parameter includes at least: indoor unit outlet pipe temperature,
The aperture of electric expansion valve, system high pressure, system low-voltage.
4. according to the method described in claim 3, it is characterized in that, the scarce refrigerant grade include the first estate, the second grade,
At least one of tertiary gradient, wherein in the case where detecting that the air-conditioner set is in the scarce refrigerant state, determine
The scarce refrigerant grade of the air-conditioner set, comprising:
In the first duration, detect that the indoor unit outlet pipe temperature is greater than the first temperature, and the aperture of the electric expansion valve
Greater than the first aperture, and in the case that the system high pressure is less than first pressure, and the system low-voltage is less than second pressure, really
The scarce refrigerant grade of the fixed air-conditioner set is described the first estate；
In the second duration, detect that the indoor unit outlet pipe temperature is greater than second temperature, and the aperture of the electric expansion valve
Greater than the second aperture, and in the case that the system high pressure is less than third pressure, and the system low-voltage is less than the 4th pressure, really
The scarce refrigerant grade of the fixed air-conditioner set is second grade；
In third duration, detect that the indoor unit outlet pipe temperature is greater than third temperature, and the aperture of the electric expansion valve
In the case that greater than third aperture, and the system high pressure is less than the 5th pressure, and the system low-voltage is less than the 6th pressure, really
The scarce refrigerant grade of the fixed air-conditioner set is the tertiary gradient.
5. according to the method described in claim 4, it is characterized in that, the scarce refrigerant grade in the air-conditioner set is described first
In the case where grade, the air-conditioner set operation is controlled, comprising:
It is operated normally controlling the air-conditioner set, and generates the first prompt information, wherein first prompt information characterizes institute
Air-conditioner set normal operation is stated, but the air-conditioner set is in the scarce refrigerant state.
6. according to the method described in claim 4, it is characterized in that, the scarce refrigerant grade in the air-conditioner set is described second
In the case where grade, the air-conditioner set operation is controlled, comprising:
It controls the air-conditioner set and enters emergency operating state, and generate the second prompt information, wherein second prompt information
The air-conditioner set is characterized to be operating abnormally.
7. according to the method described in claim 6, it is characterized in that, being in the emergency operating state in the air-conditioner set
In the case of, the priority level is controlled greater than the air-conditioner set operation in the first area of predetermined level, controls the priority scheduling
The air-conditioner set that grade is less than or equal in the second area of predetermined level is out of service, and controls the electric expansion valve and close.
8. according to the method described in claim 4, it is characterized in that, the scarce refrigerant grade in the air-conditioner set is the third
In the case where grade, the air-conditioner set operation is controlled, comprising:
It is out of service to control all air-conditioner sets, and generates third prompt information, wherein the third prompt information characterizes institute
It states air-conditioner set and is in malfunction.
9. according to the method described in claim 4, it is characterized in that, including described the first estate, institute in the scarce refrigerant grade
In the case where stating the second grade, the tertiary gradient, first duration is more than or equal to second duration, second duration
More than or equal to the third duration, first temperature is less than or equal to the second temperature, and the second temperature is less than or equal to institute
It is equal to state third temperature, first aperture is less than or equal to second aperture, and second aperture is less than or equal to the third
Aperture, the first pressure are more than or equal to the third pressure, and the third pressure is more than or equal to the 5th pressure, and described the
Two pressure are more than or equal to the 4th pressure, and the 4th pressure is more than or equal to the 6th pressure, the first pressure, described
Third pressure, the 5th pressure are positive value, and the second pressure, the 4th pressure, the 6th pressure are negative value.
10. a kind of device for controlling air-conditioning characterized by comprising
Detection module, for detecting whether air-conditioner set is in scarce refrigerant state；
Determining module, for determining the air-conditioning in the case where detecting that the air-conditioner set is in the scarce refrigerant state
The scarce refrigerant grade of unit；
Module is obtained, for obtaining the priority level at least one predeterminable area that the air-conditioner set is controlled；
Control module is run for controlling the air-conditioner set according to the scarce refrigerant grade and the priority level.
11. a kind of air-conditioning device characterized by comprising
Acquisition unit, for acquiring the operating parameter of air-conditioner set；
Control unit, for determining whether the air-conditioner set is in scarce refrigerant state according to the operating parameter, and in determination
In the case that the air-conditioner set is in the scarce refrigerant state, determine the air-conditioner set scarce refrigerant grade and the sky
The priority level at least one predeterminable area for adjusting unit to be controlled, and according to the scarce refrigerant grade and the priority level
Control the air-conditioner set operation.
12. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment perform claim require any one of 1 to 9 described in control air-conditioning method.
13. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 9 described in control air-conditioning method.
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| CN201910376952.6A CN110094843B (en) | 2019-05-07 | 2019-05-07 | Method and device for controlling air conditioner based on refrigerant shortage grade |
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