CN102313397A - Water heating machine system of heat recovery multi-gang heat pump air conditioner - Google Patents
Water heating machine system of heat recovery multi-gang heat pump air conditioner Download PDFInfo
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- CN102313397A CN102313397A CN201110289128A CN201110289128A CN102313397A CN 102313397 A CN102313397 A CN 102313397A CN 201110289128 A CN201110289128 A CN 201110289128A CN 201110289128 A CN201110289128 A CN 201110289128A CN 102313397 A CN102313397 A CN 102313397A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a water heating machine system of a heat recovery multi-gang heat pump air conditioner, which comprises a compressor, a three-way valve, an outdoor heat exchanger, an indoor heat exchanger, and a plurality of electronic expansion valves, branch pipes and electromagnetic valves. One end of the three-way valve is communicated with a high-pressure air pipe of the compressor; the other end of the three-way valve is communicated with the outdoor heat exchanger, the electronic expansion valves, the branch pipes and the indoor heat exchanger in sequence; and the high-pressure air pipe and a high-pressure liquid pipe of the compressor are respectively connected with a water heating tank through the branch pipes and the electronic expansion valves. By using the water heating machine system, the breakover or the turning off of the electromagnetic valves is controlled through an electric control device to switch the communication of a low-pressure air pipe, the high-pressure air pipe and the indoor heat exchanger, so that the indoor heat exchanger can carry out refrigeration or heating, and the breakover or the turning off of the electromagnetic valves is controlled through the electric control device, so that the high-pressure air pipe and the water heating tank are subjected to the breakover or are turned off and the water heating tank can heat water. By adopting the way, through the whole system, the running of three basic modes, namely, air conditioner refrigeration, air conditioner heating and water heating, can be achieved simultaneously.
Description
Technical field
The present invention relates to a kind of recuperation of heat multiple heat pump air-conditioning water heater system, belong to air-conditioning environmental protection and energy saving technical field.
Background technology
Existing multi-connected heat pump hot water machine is a kind of recuperation of heat air-conditioner, and it has only 4 kinds of basic operational modes, and promptly air conditioner refrigerating, air-conditioning heat, heat water, air conditioner refrigerating+heat water.In practical application, have limitation, can't realize that air-conditioning heats+heat functions such as water simultaneously, the space requirement that the space requirement that has in winter heats, has heats water, and at this time existing multi-connected heat pump water-heating machine system can't be realized.Existing multi-connected heat pump hot water machine all adopts special water fluorine heat exchanger heat hot water, and must dispose water pump and just can supply water simultaneously, complex structure, and potential faults is many, and maintenance cost is high.And water fluorine heat exchanger contacts with high-temperature-hot-water for a long time, and the influence that receives water quality easily produces a large amount of incrustation scales and stops up, and cleans difficulty, gently then influences heat exchange, and is heavy then cause the damage of water fluorine heat exchanger and secondary refrigerant leakage, even blast etc.In addition, it must adopt water pump to supply water, and not only increases system power consumption, and water pump is influenced by incrustation scale also simultaneously, all bad assurance of reliability and life-span.How online existing three-pipe heating recovery is can realize air conditioner refrigerating+heat-production functions simultaneously, also is a kind of recuperation of heat air-conditioner, but also has limitation that can't heat water equally, the application scenario is less.
Chinese patent document number CN101235993 discloses a kind of four-pipe heating pump, hot water three-purpose central air conditioner system on August 6th, 2008; Form by heat pump, hot water unit, wet cooling tower, indoor heat exchanger, condenser pump, refrigerating water pump, hot water circulating pump and hot water thermal insulating case; Heat pump, hot water unit are made up of compressor, hot water heat exchanger, condenser, filter, throttle mechanism and evaporimeter, and wet cooling tower is made up of finned coil, cooling tower circulating pump, cooling blower.It is said that this three usefulness central air conditioner system can four control provide refrigerating medium, can annually supply with hot refrigerating medium, cold refrigerating medium and domestic hot-water, room temperature is realized flexible, round-the-clock the domestic hot-water is provided.But its structure is very complicated, and it is higher to make operating cost, and reliability is also relatively poor, is necessary further improvement and perfect.
Summary of the invention
The object of the invention aims to provide a kind of simple and reasonable; Manufacturing cost is lower, easy for installation, operating cost is low, environmental protection and energy saving, have wide range of applications can realize simultaneously that air-conditioning heats+heat the multiple heat pump air-conditioning water heater of water function, to overcome weak point of the prior art.
A kind of multiple heat pump air-conditioning water heater system by the design of this purpose comprises compressor, triple valve, outdoor heat exchanger, more than one indoor heat exchanger and a plurality of electric expansion valve, branch pipe, magnetic valve; One end of triple valve is communicated with the high-pressure air pipe of compressor; The other end is communication chamber external heat exchanger, electric expansion valve, branch pipe and indoor heat exchanger successively, and its architectural feature is that the high-pressure liquid tube of compressor is connected with more than one heating water tank through branch pipe, electric expansion valve; The high-pressure air pipe of compressor is connected with more than one heating water tank through other branch pipe, magnetic valve, and heating water tank is connected with the hot water feeding pipe road with running water.
Said triple valve is more than two; Two triple valve backs parallel with one another form link circuit with compressor; The input of two triple valves is connected with the high-pressure air pipe of compressor; Wherein: the output terminals A of first triple valve is communication chamber external heat exchanger, first electric expansion valve, first branch pipe, second electric expansion valve successively, is connected with the A end of first indoor heat exchanger then; The output B of first triple valve is communicated with second branch pipe through the low pressure tracheae; The output terminals A of second triple valve is communicated with the 3rd branch pipe through high-pressure air pipe.
Be serially connected with the 4th branch pipe on the B end of said first branch pipe, be serially connected with the 5th branch pipe on the B end of the 3rd branch pipe; Connect the B end of first indoor heat exchanger after the A end parallel connection of the A end of second branch pipe and the 3rd branch pipe; The A end of the 4th branch pipe is communicated with the A end of second indoor heat exchanger; Connect the B end of second indoor heat exchanger after the A end parallel connection of the B end of second branch pipe and the 5th branch pipe; Be serially connected with the 6th branch pipe on the B end of the 4th branch pipe, be serially connected with the 7th branch pipe on the B end of the 5th branch pipe, the A end of the 6th branch pipe is communicated with first heating water tank through electric expansion valve, and the A end of the 7th branch pipe is communicated with first heating water tank through magnetic valve.
The B end of said the 6th branch pipe connects second heating water tank through the B end of electric expansion valve, the 7th branch pipe through magnetic valve.
Said heating water tank connects the high-pressure air pipe side and is provided with magnetic valve, connects the high-pressure liquid tube side and is provided with electric expansion valve; As required, through increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many heating water tank.
The branch pipe that connects indoor heat exchanger A end is provided with electric expansion valve, and the branch pipe that connects indoor heat exchanger B end is provided with magnetic valve; As required, through increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many indoor heat exchangers.
Said heating water tank is a refrigerant coil pipe heat tracing press-bearing water tank, and water tank conducts heat through the refrigerant heat(ing) coil, need not connect special water fluorine heat exchanger heat exchangers such as (board-like or) bushing types; Heating water tank adopts the pressure-bearing type attemperater, utilizes the hydraulic pressure of running water directly to supply water, and water pump need be set.
The present invention through electric control gear control magnetic valve conducting or close switch the low pressure tracheae, high-pressure air pipe is communicated with indoor heat exchanger, and indoor heat exchanger can be freezed or heat; Conducting through electric control gear control magnetic valve or close makes high-pressure air pipe and heating water tank conducting or closes, and lets heating water tank can heat water.In this way, realized that indoor heat exchanger while cooling and warming and heating water tank also heat water simultaneously.Whole system can realize moving simultaneously three kinds of basic models like this: promptly air conditioner refrigerating+air-conditioning heats+heats water.
The present invention reclaims two kinds of technological incorporation to existing heat pump water-heating machine and three-pipe heating and is in the same place; With the recovery that is used of air-conditioning system used heat; Strengthened the effect of energy-saving and emission-reduction greatly; And adopt more advanced hot water mode of heating reliably, and satisfy the demand of different occasions very neatly, accomplish that really each takes what he needs.The product range of application is more extensive, and can further improve market sales volume.
Description of drawings
Fig. 1 is one embodiment of the invention air-conditioning system schematic diagram.
Among the figure: 1 is compressor, and 21 is first triple valve, and 22 is second triple valve, and 3 is outdoor heat exchanger, and 41 is first electric expansion valve, 42 second electric expansion valves; 43 the 3rd electric expansion valves, 44 is quadrielectron expansion valve, and 51 is first magnetic valve, and 52 is second magnetic valve, and 53 is the 3rd magnetic valve; 54 the 4th magnetic valves, 55 is the 5th magnetic valve, and 61 is first indoor heat exchanger, and 62 is second indoor heat exchanger, and 71 is first heating water tank; 72 is second heating water tank, and 81 is first branch pipe, and 82 is second branch pipe, and 83 is the 3rd branch pipe, and 84 is the 4th branch pipe; 85 is the 5th branch pipe, and 86 is the 6th branch pipe, and 87 is the 7th branch pipe, and 9 is high-pressure liquid tube, and 10 is the low pressure tracheae; 11 is high-pressure air pipe, and C is a hot water outlet, and E is a heat-insulation layer, and G is the refrigerant heating plate, and F is the running water inlet.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Referring to Fig. 1; A kind of recuperation of heat multiple heat pump air-conditioning water heater system comprises the multiple heat pump air-conditioning water heater that compressor 1, first triple valve 21, second triple valve 22, outdoor heat exchanger 3, first electric expansion valve 41, second electric expansion valve 42, the 3rd electric expansion valve 43, quadrielectron expansion valve 44, first magnetic valve 51, second magnetic valve 52, the 3rd magnetic valve 53, the 4th magnetic valve 54, the 5th magnetic valve 55, first indoor heat exchanger 61, second indoor heat exchanger 62, heating water tank, first branch pipe 81, second branch pipe 82, the 3rd branch pipe 83, the 4th branch pipe 84, the 5th branch pipe 85, the 6th branch pipe 86, the 7th branch pipe 87, high-pressure liquid tube 9, low pressure tracheae 10 and high-pressure air pipe 11 are formed.
The input of two triple valves is connected with the high-pressure air pipe 11 of compressor 1, and wherein: the output terminals A of first triple valve 21 is communication chamber external heat exchanger 3, first electronic expansion 41, first branch pipe 81 successively; The output B of first triple valve 21 is communicated with second branch pipe 82 through low pressure tracheae 10.The A of first branch pipe 81 end is connected with the A end of second electric expansion valve 42, first indoor heat exchanger 61 successively; Being serially connected with the B that connects first indoor heat exchanger 61 after the A end parallel connection of A end and the 3rd branch pipe 83 of the 4th branch pipe 84, the second branch pipes 82 on the B of first branch pipe 81 end holds; The A of the 4th branch pipe end is communicated with the A end of the 3rd electric expansion valve 43, second indoor heat exchanger 62 successively; The A end that is serially connected with the 6th branch pipe 86, the six branch pipes 86 on the B end of the 4th branch pipe 84 is communicated with first heating water tank 71 through quadrielectron expansion valve 44.
The output terminals A of second triple valve 22 is communicated with the 3rd branch pipe 83 through high-pressure air pipe 11.Be serially connected with the 5th branch pipe 85 on the B end of the 3rd branch pipe 83; Connect the B end of second indoor heat exchanger 62 after the A end parallel connection of the B end of second branch pipe 82 and the 5th branch pipe; The A end that is serially connected with the 7th branch pipe 87, the seven branch pipes 87 on the B end of the 5th branch pipe 85 is communicated with first heating water tank 71 through the 5th magnetic valve 55.First heating water tank 71 is connected with the hot water feeding pipe road with running water.The B end of the 6th branch pipe 86 and the 7th branch pipe 87 can directly connect second heating water tank 72 through electric expansion valve, magnetic valve as required.
As required, through increasing branch pipe, electric expansion valve, magnetic valve, native system can connect more indoor heat exchangers and heating water tank.
When regulating first triple valve 21 and second triple valve 22; And control through electric control gear that first magnetic valve 51 is in conducting state, second magnetic valve 52 is in closed condition; Low pressure tracheae 10 is communicated with first indoor heat exchanger 61; Regulate the aperture of second electric expansion valve 42 simultaneously through electric control gear, make first indoor heat exchanger 61 be in refrigeration mode; Be in closed condition through electric control gear control magnetic valve 53; Magnetic valve 54 is in conducting state; High-pressure air pipe 11 is communicated with second indoor heat exchanger 62, through the aperture of electric control gear control electric expansion valve 43, makes second indoor heat exchanger 62 be in heating mode simultaneously; Be in conducting state through electric control gear control magnetic valve 55, high-pressure air pipe 11 is communicated with heating water tank 7, regulate the aperture of quadrielectron expansion valve 44 simultaneously through electric control gear, heating water tank 7 is in heats aqueous mode.Like this, the environment temperature reduction around first indoor heat exchanger 61 can make with environment heat exchange on every side satisfies the demand of freezing; Environment around second indoor heat exchanger 62 can make with environment heat exchange on every side heats up, and satisfies the demand that heats; Heating water tank 7 can make the water in the water tank be heated to design temperature, satisfies the demand of people to hot water; Whole system just can realize that air conditioner refrigerating+air-conditioning heats+heat water simultaneously so.
Be in closed condition when control second magnetic valve 52, the 4th magnetic valve 54, the 5th magnetic valve 55 through electric control gear; First magnetic valve 51, the 3rd magnetic valve 53 are in conducting state; And be 0 through the aperture that electric control gear is controlled quadrielectron expansion valve 44; Also regulate the aperture of second electric expansion valve 42, the 3rd electric expansion valve 43, make whole system only be in the air conditioner refrigerating pattern through electric control gear.
Be in closed condition when control first magnetic valve 51, the 3rd magnetic valve 53, the 5th magnetic valve 55 through electric control gear; Second magnetic valve 52, the 4th magnetic valve 54 are in conducting state; Through electric control gear control electric expansion valve 44 apertures is 0, regulates second electric expansion valve 42, the 3rd electric expansion valve 43 apertures, makes whole system only be in the air-conditioning heating mode through electric control gear.
When through regulate first triple valve 21, second triple valve 22 and through electric control gear control first magnetic valve 51, second magnetic valve 52, the 3rd magnetic valve 53, the 4th magnetic valve 54 is in closed condition; The 5th magnetic valve 55 is in conducting state; Through electric control gear control second electric expansion valve 42, the 3rd electric expansion valve 43 apertures are 0, regulate quadrielectron expansion valve 44 apertures, make whole system only be in air-conditioning to heat aqueous mode through electric control gear.At this moment, running water gets into heating water tank from running water inlet F, in heating water tank, by after the heating of refrigerant heat(ing) coil G, flows out from hot water outlet C; Outside heating water tank, also be provided with heat-insulation layer E.
When the conducting of controlling first magnetic valve 51, second magnetic valve 52, the 3rd magnetic valve 53, the 4th magnetic valve 54 through electric control gear or close and switch being communicated with of low pressure tracheae 10 and high-pressure air pipe 11 and first indoor heat exchanger 61; Indoor heat exchanger can be freezed or heat; Control the conducting of the 5th magnetic valve 55 or close the switching high-pressure air pipe 11 and first heating water tank 71 through electric control gear, can make heating water tank 7 produce the domestic hot-water.Thereby make whole system can realize 3 kinds of basic operational modes simultaneously: promptly air conditioner refrigerating, air-conditioning heat, heat water, and three kinds of basic operational modes can combination in any.
Claims (6)
1. a recuperation of heat multiple heat pump air-conditioning water heater system comprises compressor (1), triple valve, outdoor heat exchanger (3), more than one indoor heat exchanger and a plurality of electric expansion valve, branch pipe, magnetic valve; One end of triple valve is communicated with the high-pressure air pipe (11) of compressor (1); The other end is communication chamber external heat exchanger (3), electric expansion valve, branch pipe and indoor heat exchanger successively, it is characterized in that the high-pressure liquid tube (9) of compressor (1) is connected with more than one heating water tank through branch pipe, electric expansion valve; The high-pressure air pipe (11) of compressor (1) is connected with more than one heating water tank through other branch pipe, magnetic valve, and heating water tank is connected with the hot water feeding pipe road with running water;
Said triple valve is two or more; Two triple valve backs parallel with one another form link circuit with compressor (1); The input of two triple valves is connected with the high-pressure air pipe (11) of compressor (1); Wherein: the output terminals A of first triple valve (21) is communication chamber external heat exchanger (3), first electric expansion valve (41), first branch pipe (81), second electric expansion valve (42) successively, is connected with the A end of first indoor heat exchanger (61) then; The output B of first triple valve (21) is communicated with second branch pipe (82) through low pressure tracheae (10); The output terminals A of second triple valve (22) is communicated with the 3rd branch pipe (83) through high-pressure air pipe (11).
2. recuperation of heat multiple heat pump air-conditioning water heater according to claim 1 system is characterized in that being serially connected with the 4th branch pipe (84) on the B end of said first branch pipe (81), is serially connected with the 5th branch pipe (85) on the B end of the 3rd branch pipe (83); Connect the B end of first indoor heat exchanger (61) after the A end parallel connection of the A end of second branch pipe (82) and the 3rd branch pipe (83); The A end of the 4th branch pipe (84) is communicated with the A end of second indoor heat exchanger (62); Connect the B end of second indoor heat exchanger (62) after the A end parallel connection of the B end of second branch pipe (82) and the 5th branch pipe (85); Be serially connected with the 6th branch pipe (86) on the B end of the 4th branch pipe (84); Be serially connected with the 7th branch pipe (87) on the B end of the 5th branch pipe (85); The A end of the 6th branch pipe (86) is communicated with first heating water tank (71) through quadrielectron expansion valve (44), and the A end of the 7th branch pipe (87) is communicated with through the 5th magnetic valve (55) and adds first boiler (71).
3. recuperation of heat multiple heat pump air-conditioning water heater according to claim 2 system, the B of the B end that it is characterized in that said the 6th branch pipe (86) through electric expansion valve, the 7th branch pipe (87) holds and connects second heating water tank (72) through magnetic valve.
4. recuperation of heat multiple heat pump air-conditioning water heater according to claim 3 system is characterized in that said heating water tank connects high-pressure air pipe (11) side and is provided with magnetic valve, connects high-pressure liquid tube (9) side and is provided with electric expansion valve; As required, through increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many heating water tank.
5. according to each described recuperation of heat multiple heat pump air-conditioning water heater system of claim 2-4, it is characterized in that the branch pipe that connects indoor heat exchanger A end is provided with electric expansion valve, the branch pipe that connects indoor heat exchanger B end is provided with magnetic valve; As required, through increasing branch pipe, electric expansion valve, magnetic valve, native system can connect many indoor heat exchangers.
6. recuperation of heat multiple heat pump air-conditioning water heater according to claim 5 system is characterized in that said heating water tank is a refrigerant coil pipe heat tracing press-bearing water tank, and heating water tank is conducted heat through refrigerant heat(ing) coil (G), need not connect special water fluorine heat exchanger; Heating water tank adopts the pressure-bearing type attemperater, utilizes the hydraulic pressure of running water directly to supply water, and water pump need be set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110289128.0A CN102313397B (en) | 2011-09-24 | 2011-09-24 | Water heating machine system of heat recovery multi-gang heat pump air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110289128.0A CN102313397B (en) | 2011-09-24 | 2011-09-24 | Water heating machine system of heat recovery multi-gang heat pump air conditioner |
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| CN102313397A true CN102313397A (en) | 2012-01-11 |
| CN102313397B CN102313397B (en) | 2014-01-01 |
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Cited By (9)
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| CN102901165A (en) * | 2012-03-23 | 2013-01-30 | 刘雄 | Air treatment equipment water system |
| CN103827602A (en) * | 2012-03-30 | 2014-05-28 | 三浦工业株式会社 | Feed water heating system |
| CN103940139A (en) * | 2014-04-15 | 2014-07-23 | 珠海格力电器股份有限公司 | Heat recovery multi-split machine and control method |
| CN104949195A (en) * | 2014-03-25 | 2015-09-30 | 珠海格力电器股份有限公司 | Multi-connected air conditioning unit |
| CN104990179A (en) * | 2015-08-11 | 2015-10-21 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN106440282A (en) * | 2016-11-11 | 2017-02-22 | 珠海格力电器股份有限公司 | Multi-split air conditioner heat recovery system and multi-split air conditioner provided with same |
| CN107477824A (en) * | 2017-09-11 | 2017-12-15 | 珠海格力电器股份有限公司 | Mode converter, heat-reclamation multi-compressors air-conditioning system and control method |
| CN113587249A (en) * | 2021-07-12 | 2021-11-02 | 青岛海信日立空调系统有限公司 | Multi-split system |
| CN115235140A (en) * | 2022-06-23 | 2022-10-25 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
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| CN106440282A (en) * | 2016-11-11 | 2017-02-22 | 珠海格力电器股份有限公司 | Multi-split air conditioner heat recovery system and multi-split air conditioner provided with same |
| CN107477824A (en) * | 2017-09-11 | 2017-12-15 | 珠海格力电器股份有限公司 | Mode converter, heat-reclamation multi-compressors air-conditioning system and control method |
| WO2019047765A1 (en) * | 2017-09-11 | 2019-03-14 | 格力电器（武汉）有限公司 | Mode switcher, heat recovery multi-split air conditioning system and control method |
| CN107477824B (en) * | 2017-09-11 | 2020-02-07 | 珠海格力电器股份有限公司 | Mode converter, heat recovery multi-split air conditioning system and control method |
| CN113587249A (en) * | 2021-07-12 | 2021-11-02 | 青岛海信日立空调系统有限公司 | Multi-split system |
| CN113587249B (en) * | 2021-07-12 | 2023-02-07 | 青岛海信日立空调系统有限公司 | Multi-split system |
| CN115235140A (en) * | 2022-06-23 | 2022-10-25 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
| CN115235140B (en) * | 2022-06-23 | 2023-08-01 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioning system, control method and storage medium |
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| CN102313397B (en) | 2014-01-01 |
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