CN107166819A - A kind of air-conditioning system - Google Patents
A kind of air-conditioning system Download PDFInfo
- Publication number
- CN107166819A CN107166819A CN201610125756.8A CN201610125756A CN107166819A CN 107166819 A CN107166819 A CN 107166819A CN 201610125756 A CN201610125756 A CN 201610125756A CN 107166819 A CN107166819 A CN 107166819A
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- Prior art keywords
- connecting tube
- chamber
- sliding block
- air
- connector
- Prior art date
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/21—Reduction of parts
Abstract
The present invention provides a kind of air-conditioning system, can be switched between freezing and heating, including：Reversal valve, compressor, the first indoor set, the second indoor set and outdoor unit.Reversal valve in air-conditioning system of the present invention can easily be such that six connecting tubes are switched between 2,2,2 connection models and 3,3 connection models, compared with scheme in the prior art simultaneously using two four-way valves, identical effect can be realized, but for air-conditioning system, substituted using a reversal valve after two four-way valves, pipeline simplifies, is easy to circuit design, Free up Memory, it is able to ensure that the installation of compressor, it is easy to further design optimization, valve and pipeline cost are reduced, is particularly suitable for use in the air-conditioning system including double suction air compressor.
Description
Technical field
The invention belongs to technical field of refrigeration equipment, specifically, it is related to a kind of air-conditioning system.
Background technology
When realizing that the commutation of refrigerant is circulated using two four-way valves in existing air-conditioner system, circuit design phase
To complexity, and because system cabinet space is smaller, pipeline trend, installing space are limited, and pipeline is more,
Vibration stress debugging is difficult.
The content of the invention
For technical problem present in prior art, the present invention provides a kind of air-conditioning system, can be in system
It is cold with switched between heating, including：Reversal valve, compressor, the first indoor set, the second indoor set
And outdoor unit；Wherein,
The reversal valve includes：
Body, the body limits a cavity；
First connecting tube is arranged on the body to the 6th connecting tube, first connecting tube to the 6th
Connecting tube is connected with the cavity of the body；
In first sliding block and the second sliding block, the cavity for being movably arranged at the body, described first slides
Block, second sliding block and the inwall at the body two ends limit first chamber and second chamber respectively；
First dividing plate, is movably arranged on the inwall of the body and positioned at first sliding block and the
Between two sliding blocks, first dividing plate passes through the first connector respectively with first sliding block and the second sliding block
It is connected with the second connector, first dividing plate, first sliding block, second sliding block and described
The inwall of body limits the 3rd chamber, and first connecting tube is often connected with the 3rd chamber, and described
Three chambers are isolated from each other with the first chamber, the second chamber；
Second partition, is movably arranged on the inwall of the body and positioned at first dividing plate and institute
Between the inwall for stating body, the second partition passes through the 3rd connector and/or the 4th with first dividing plate
Connector is connected, and the inwall of the second partition, first dividing plate and the body limits the 4th chamber
Room, the inwall of the second partition and the body limits the 5th chamber, the 3rd chamber,
4th chamber and the 5th chamber are isolated from each other；And
Control piece, the control piece drives first sliding block to be moved to first to the second sliding block direction
Put, or drive second sliding block to be moved to the second place to the first sliding block direction；Wherein,
When the control piece drives first sliding block to be moved to first position to the second sliding block direction, institute
State the first connecting tube by the 3rd chamber with second connecting tube to be connected, the 3rd connecting tube
It is connected by the 4th chamber with the 6th connecting tube, the 4th connecting tube passes through the described 5th
Chamber is connected with the 5th connecting tube；
When the control piece drives second sliding block to be moved to the second place to the first sliding block direction, institute
State the first connecting tube by the 3rd chamber with the 5th connecting tube, the 6th connecting tube to be connected, described
Two connecting tubes are connected by the 4th chamber with the 3rd connecting tube, the 4th connecting tube；
The compressor includes：First air entry, the second air entry and exhaust outlet, first air entry
Connected with the 3rd connecting tube, second air entry is connected with the 4th connecting tube, the exhaust
Mouth is connected with first connecting tube；
The two ends of first indoor set are connected with the outdoor unit and the 6th connecting tube respectively；
The two ends of second indoor set are connected with the outdoor unit and the 5th connecting tube respectively；And
One end of the outdoor unit is connected with first indoor set and the second indoor set simultaneously, the outdoor
The other end of machine is connected with second connecting tube.
Preferably, first connecting tube is arranged on the first side wall of the body, second connection
The connecting tubes of Guan Zhi six be arranged in the second sidewall relative with the first side wall of the body and according to
Secondary arrangement.
Preferably, the control piece is magnetic valve, and the two ends of the magnetic valve are respectively connecting to described first
Chamber and the second chamber, by changing the pressure-driven in the first chamber and the second chamber
First sliding block and second sliding block movement.
Preferably, the cross sectional shape of the body is circle.
Preferably, first connector, the second connector, the 3rd connector and the 4th connector are company
Extension bar.
Compared with prior art, air-conditioning system of the invention at least has the advantages that：
Reversal valve in air-conditioning system of the present invention can easily make six connecting tubes connect mould 2,2,2
Switched between formula and 3,3 connection models, the scheme with using two four-way valves simultaneously in the prior art
Compare, identical effect can be realized, but for air-conditioning system, two are substituted using a reversal valve
After individual four-way valve, pipeline simplifies, is easy to circuit design, Free up Memory, it can be ensured that the installation of compressor
Property, it is easy to further design optimization, reduction valve and pipeline cost, is particularly suitable for use in including the contracting of double suction air pressure
In the air-conditioning system of machine.
Brief description of the drawings
Figure 1A and Figure 1B is the profile of the reversal valve of the embodiment of the present invention；
Schematic diagram when Fig. 2A is the air-conditioning system refrigerating operaton of the embodiment of the present invention；
Schematic diagram when Fig. 2 B are the air-conditioning system heating operation of the embodiment of the present invention.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can
Implement in a variety of forms, and be not understood as limited to embodiment set forth herein；It is opposite that there is provided this
A little embodiments cause the present invention more comprehensively and completely, and the design of example embodiment is comprehensively passed on
To those skilled in the art.Identical reference represents same or similar structure in figure, thus
Repetition thereof will be omitted.
The word of described expression position and direction, is the explanation carried out by taking accompanying drawing as an example in of the invention,
But it can also make a change as needed, make change and be all contained in the scope of the present invention.
First, second grade that is previously mentioned in present embodiment and not comprising on position relationship or structure function
Relation is definitely distinguished, also, in various embodiments, identical may be used to mark or label,
This also not representative structure or contact functionally, and merely for convenience of description.
Figure 1A and Figure 1B are refer to, reversal valve 100 of the invention includes body 11, the first connecting tube
21 to the 6th connecting tubes 26, the first sliding block 31, the second sliding block 32, the first dividing plate 41, second partition
51 and control piece 61.
Body 11 limits a cavity, in a preferred embodiment, and the cross sectional shape of body 11 is circle,
So that the overall cylindrical structure of body 11.
The first connecting tube 21, the second connecting tube 22, the 3rd connecting tube the 23, the 4th are provided with body 11
Connecting tube 24, the 5th connecting tube 25 and the 6th connecting tube 26, the connecting tube of the first connecting tube 21 to the 6th
26 are connected with the cavity of body 11.In a preferred embodiment, the first connecting tube 21 is arranged at body
On 11 the first side wall, the connecting tube 26 of the second connecting tube 22 to the 6th be arranged at body 11 with first
In the relative second sidewall of side wall and it is arranged in order, as shown in FIG. 1A and 1B.
The first sliding block 31 and the second sliding block 32 that can be moved are provided with the cavity of body 11, first slides
Block 31, the second sliding block 32 and the inwall at the two ends of body 11 limit the chamber of first chamber 33 and second respectively
Room 34.
It is provided with the first dividing plate 41 that can be moved on the inwall of body 11, first dividing plate 41 is located at the
Between one sliding block 31 and the second sliding block 32, the first dividing plate 41 and the first sliding block 31 and the second sliding block 32
Be connected respectively by the first connector 42 with the second connector 43, the first dividing plate 41, the first sliding block 31,
The inwall of second sliding block 32 and body 11 limits the 3rd chamber 44, the first connecting tube 21 and the 3rd chamber
Room 44 often connect, i.e., no matter how the first dividing plate 41 moves, the first connecting tube 21 all the time with the 3rd chamber
Room 44 is connected.3rd chamber 44 is isolated from each other with first chamber 33, second chamber 34.
The second partition 51 that can be moved is additionally provided with the inwall of body 11, the second partition 51 is located at
Between first dividing plate 41 and the inwall of body 11, the dividing plate 41 of second partition 51 and first connects by the 3rd
The connector 55 of fitting 52 and/or the 4th is connected, second partition 51, the first dividing plate 41 and body 11
Inwall limits the 4th chamber 53, and the inwall of second partition 51 and body 11 limits the 5th chamber 54,
3rd chamber 44, the 4th chamber 53 and the 5th chamber 54 are isolated from each other.
In a preferred embodiment, the first connector 42, the second connector 43, the and of the 3rd connector 52
4th connector 55 is connecting rod.
Control piece 61 is used to drive the first sliding block 31 to be moved to first position to the direction of the second sliding block 32,
Moved right in Figure 1A for the first sliding block 31 of driving, the second sliding block 32 is by the first connector 42, the
One dividing plate 41 and the second connector 43 are connected with the first sliding block 31, while be moved to equidirectional,
Second partition 51 is by the 3rd connector 52 and/or the 4th connector 55 being connected with the first dividing plate 41
It is moved simultaneously；Control piece 61 is also used for the second sliding block 32 of driving and moved to the direction of the first sliding block 31
To the second place, it is moved to the left in Figure 1B for the second sliding block 32 of driving, similarly, the first sliding block 31,
First dividing plate 41 and second partition 51 are moved to equidirectional simultaneously.
In a preferred embodiment, when the first sliding block 31 is moved to first position, the second sliding block 32 is arrived at
One end of body 11；When second sliding block 32 is moved to the second place, the first sliding block 31 arrives at body 11
The other end.
In a preferred embodiment, control piece 61 is magnetic valve, and the two ends of the magnetic valve are respectively connecting to
First chamber 33 and second chamber 34, by changing the pressure in first chamber 33 and second chamber 34
The first sliding block 31 and the second sliding block 32 is driven to move.Specifically, as shown in Figure 1A, magnetic valve leads to
The pressure crossed in increase first chamber 33, while reducing the pressure in second chamber 34, makes the first sliding block
31 move to the small direction of second chamber 34 of pressure；Or as shown in Figure 1B, magnetic valve passes through increase by the
Pressure in two chambers 34, while reducing the pressure in first chamber 33, makes the second sliding block 32 to pressure
The small direction of first chamber 33 movement of power.
Following effect can be realized using above-mentioned reversal valve 100：
When control piece 61 drives the first sliding block 31 to be moved to first position to the direction of the second sliding block 32,
As shown in Figure 1A, the first connecting tube 21 is connected by the 3rd chamber 44 with the second connecting tube 22, the
Three connecting tubes 23 are connected by the 4th chamber 53 with the 6th connecting tube 26, and the 4th connecting tube 24 passes through
5th chamber 54 is connected with the 5th connecting tube 25, so as to realize the 2 of six connecting tubes, 2,2 connections.
When control piece 61 drives the second sliding block 32 to be moved to the second place to the direction of the first sliding block 31,
As shown in Figure 1B, the first connecting tube 21 is connected by the 3rd chamber 44 with the 5th connecting tube the 25, the 6th
Pipe 26 is connected, and the second connecting tube 22 is connected by the 4th chamber 53 with the 3rd connecting tube the 23, the 4th
Pipe 24 is connected, so as to realize the 3 of six connecting tubes, 3 connections.
Above-mentioned reversal valve 100 can be applied to the air-conditioning system that can be switched between freezing and heating
In, it is described in detail below so that the compressor in air-conditioning system is double suction air compressor as an example.
Fig. 2A and Fig. 2 B are refer to, the air-conditioning system is in addition to including above-mentioned reversal valve 100, in addition to pressure
Contracting machine 200, the first indoor set 300, the second indoor set 400 and outdoor unit 500.
Compressor 200 is double suction air compressor, including the first air entry 201, the and of the second air entry 202
Exhaust outlet 203, the first air entry 201 is connected with the 3rd connecting tube 23 of reversal valve 100, the second air-breathing
Mouthfuls 202 connect with the 4th connecting tube 24 of reversal valve 100, and the of exhaust outlet 203 and reversal valve 100
One connecting tube 21 is connected.The structure and working principle of compressor 200 is prior art, herein no longer
Repeat.
First indoor set 300 and the second indoor set 400 include heat exchanger and indoor throttling arrangement respectively, the
The two ends of one indoor set 300 are connected with the connecting tube 26 of outdoor unit 500 and the 6th respectively, the second indoor set
400 two ends are connected with the connecting tube 25 of outdoor unit 500 and the 5th respectively.One end of outdoor unit 500 is simultaneously
Connected with the first indoor set 300 and the second indoor set 400, the other end of outdoor unit 500 is connected with second
Pipe 22 is connected.First indoor set 300, the structure of the second indoor set 400 and outdoor unit 500 and work are former
Reason is prior art, be will not be repeated here.
Figure 1A and Fig. 2A are refer to, during air-conditioning system refrigerating operaton, control piece 61 drives the first sliding block
31 are moved to first position to the direction of the second sliding block 32, the first connecting tube 21 by the 3rd chamber 44 with
Second connecting tube 22 is connected, and the 3rd connecting tube 23 passes through the 4th chamber 53 and the phase of the 6th connecting tube 26
Connection, the 4th connecting tube 24 is connected by the 5th chamber 54 with the 5th connecting tube 25.
The refrigerant for the HTHP that the exhaust outlet 203 of compressor 200 is discharged enters through the first connecting tube 21
Enter the 3rd chamber 44, and then enter arrow in the second connecting tube 22, figure and represent refrigerant flow direction, from the
The refrigerant of two connecting tubes 22 outflow enters outdoor unit 500, after outdoor unit 500 and outdoor environment heat exchange,
Refrigerant respectively enters the first indoor set 300 and the second indoor set 400, through the first indoor set 300,
The refrigerant that two indoor sets 400 flow out after being exchanged heat with indoor environment is respectively through the 6th connecting tube 26 and the 5th
Connecting tube 25 flows into reversal valve 100, and respectively enters the through the 4th chamber 53 and the 5th chamber 54 respectively
Three connecting tubes 23 and the 4th connecting tube 24, the system flowed out from the 3rd connecting tube 23 and the 4th connecting tube 24
Cryogen separately flows into the first air entry 201 of compressor 200, the second air entry 202, low-temp low-pressure
Refrigerant is returned to be compressed in compressor 200, reciprocal with this, forms kind of refrigeration cycle.
Figure 1B and Fig. 2 B are refer to, during air-conditioning system heating operation, control piece 61 drives the second sliding block
32 are moved to the second place to the direction of the first sliding block 31, the first connecting tube 21 by the 3rd chamber 44 with
5th connecting tube 25, the 6th connecting tube 26 are connected, the second connecting tube 22 by the 4th chamber 53 with
3rd connecting tube 23, the 4th connecting tube 24 are connected.
The refrigerant for the HTHP that the exhaust outlet 203 of compressor 200 is discharged enters through the first connecting tube 21
Enter the 3rd chamber 44, and then respectively enter the 5th connecting tube 25 and the 6th connecting tube 26, from the 5th connection
The refrigerant of the connecting tube 26 of pipe 25 and the 6th outflow respectively enters the second indoor set 400 and the first indoor set
300, the cold-producing medium stream flowed out after being exchanged heat through the second indoor set 400, the first indoor set 300 with indoor environment
Enter outdoor unit 500, after outdoor unit 500 and outdoor environment heat exchange, the second connecting tube of refrigerant flow direction 22
And entering the 4th chamber 53, the refrigerant for flowing into the 4th chamber 53 flows to the 3rd connecting tube 23 and the respectively
Four connecting tubes 24, and separately flow into the first air entry 201 of compressor 200, the second air entry 202,
The refrigerant of low-temp low-pressure is returned to be compressed in compressor 200, and reciprocal with this, formation heats circulation.
One end of first indoor set 300, the second indoor set 400 and outdoor unit 500 is input port, another
Hold as delivery outlet, when carrying out refrigerating operaton with heating operation switching, refrigerant flow direction change, input port
It is changed into delivery outlet, delivery outlet is changed into input port.
The reversal valve of the present invention can easily make six connecting tubes in 2,2,2 connection models and 3,3
Switched between connection model, can compared with scheme in the prior art simultaneously using two four-way valves
Identical effect is realized, but for air-conditioning system, is substituted using a reversal valve after two four-way valves,
Pipeline simplifies, is easy to circuit design, Free up Memory, it can be ensured that the installation of compressor, is easy into one
Design optimization, reduction valve and pipeline cost are walked, being particularly suitable for use in includes the air-conditioning system of double suction air compressor
In.
Although embodiments of the invention have been shown and described above, it is to be understood that above-mentioned implementation
Example is exemplary, it is impossible to be interpreted as limitation of the present invention, one of ordinary skill in the art is not taking off
Above-described embodiment can be carried out within the scope of the invention in the case of principle and objective from the present invention
Change, modification, replacement and modification.
Claims (5)
1. a kind of air-conditioning system, can be switched between freezing and heating, it is characterised in that bag
Include：Reversal valve, compressor, the first indoor set, the second indoor set and outdoor unit；Wherein,
The reversal valve includes：
Body, the body limits a cavity；
First connecting tube is arranged on the body to the 6th connecting tube, first connecting tube to the 6th
Connecting tube is connected with the cavity of the body；
In first sliding block and the second sliding block, the cavity for being movably arranged at the body, described first slides
Block, second sliding block and the inwall at the body two ends limit first chamber and second chamber respectively；
First dividing plate, is movably arranged on the inwall of the body and positioned at first sliding block and the
Between two sliding blocks, first dividing plate passes through the first connector respectively with first sliding block and the second sliding block
It is connected with the second connector, first dividing plate, first sliding block, second sliding block and described
The inwall of body limits the 3rd chamber, and first connecting tube is often connected with the 3rd chamber, and described
Three chambers are isolated from each other with the first chamber, the second chamber；
Second partition, is movably arranged on the inwall of the body and positioned at first dividing plate and institute
Between the inwall for stating body, the second partition passes through the 3rd connector and/or the 4th with first dividing plate
Connector is connected, and the inwall of the second partition, first dividing plate and the body limits the 4th chamber
Room, the inwall of the second partition and the body limits the 5th chamber, the 3rd chamber,
4th chamber and the 5th chamber are isolated from each other；And
Control piece, the control piece drives first sliding block to be moved to first to the second sliding block direction
Put, or drive second sliding block to be moved to the second place to the first sliding block direction；Wherein,
When the control piece drives first sliding block to be moved to first position to the second sliding block direction, institute
State the first connecting tube by the 3rd chamber with second connecting tube to be connected, the 3rd connecting tube
It is connected by the 4th chamber with the 6th connecting tube, the 4th connecting tube passes through the described 5th
Chamber is connected with the 5th connecting tube；
When the control piece drives second sliding block to be moved to the second place to the first sliding block direction, institute
State the first connecting tube by the 3rd chamber with the 5th connecting tube, the 6th connecting tube to be connected, described
Two connecting tubes are connected by the 4th chamber with the 3rd connecting tube, the 4th connecting tube；
The compressor includes：First air entry, the second air entry and exhaust outlet, first air entry
Connected with the 3rd connecting tube, second air entry is connected with the 4th connecting tube, the exhaust
Mouth is connected with first connecting tube；
The two ends of first indoor set are connected with the outdoor unit and the 6th connecting tube respectively；
The two ends of second indoor set are connected with the outdoor unit and the 5th connecting tube respectively；And
One end of the outdoor unit is connected with first indoor set and the second indoor set simultaneously, the outdoor
The other end of machine is connected with second connecting tube.
2. air-conditioning system according to claim 1, it is characterised in that first connecting tube is set
On the first side wall for being placed in the body, second connecting tube to the 6th connecting tube is arranged at the body
The second sidewall relative with the first side wall on and be arranged in order.
3. air-conditioning system according to claim 1, it is characterised in that the control piece is electromagnetism
Valve, the two ends of the magnetic valve are respectively connecting to the first chamber and the second chamber, by changing
First sliding block described in pressure-driven in the first chamber and the second chamber and second sliding block
It is mobile.
4. the air-conditioning system according to claims 1 to 3 any one, it is characterised in that described
The cross sectional shape of body is circle.
5. the air-conditioning system according to claims 1 to 3 any one, it is characterised in that described
First connector, the second connector, the 3rd connector and the 4th connector are connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125756.8A CN107166819B (en) | 2016-03-07 | 2016-03-07 | A kind of air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125756.8A CN107166819B (en) | 2016-03-07 | 2016-03-07 | A kind of air-conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107166819A true CN107166819A (en) | 2017-09-15 |
| CN107166819B CN107166819B (en) | 2019-10-15 |
Family
ID=59849205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610125756.8A Active CN107166819B (en) | 2016-03-07 | 2016-03-07 | A kind of air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107166819B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855351A (en) * | 2018-12-27 | 2019-06-07 | 青岛海尔股份有限公司 | Refrigerator and its control method |
| CN110131849A (en) * | 2018-02-09 | 2019-08-16 | 青岛海尔空调器有限总公司 | Control method and device for air-conditioning system, the control method and device for air-conditioning |
| CN110375404A (en) * | 2019-06-24 | 2019-10-25 | 珠海格力电器股份有限公司 | The fresh air conditioner and its control method of double evaporating temperatures |
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| CN104896143A (en) * | 2015-06-01 | 2015-09-09 | 广东美的暖通设备有限公司 | Six-way reversing valve and air conditioning outdoor unit and air conditioner with same |
| CN204729675U (en) * | 2015-06-01 | 2015-10-28 | 广东美的暖通设备有限公司 | Six-way transfer valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131849A (en) * | 2018-02-09 | 2019-08-16 | 青岛海尔空调器有限总公司 | Control method and device for air-conditioning system, the control method and device for air-conditioning |
| CN110131849B (en) * | 2018-02-09 | 2021-06-29 | 青岛海尔空调器有限总公司 | Control method and device for air conditioning system and control method and device for air conditioner |
| CN109855351A (en) * | 2018-12-27 | 2019-06-07 | 青岛海尔股份有限公司 | Refrigerator and its control method |
| CN110375404A (en) * | 2019-06-24 | 2019-10-25 | 珠海格力电器股份有限公司 | The fresh air conditioner and its control method of double evaporating temperatures |
| CN110375404B (en) * | 2019-06-24 | 2023-12-08 | 珠海格力电器股份有限公司 | Fresh air conditioner with double evaporation temperatures and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107166819B (en) | 2019-10-15 |
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Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Applicant before: Rili Electric Appliance Co., Ltd., Shanghai |
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