CN102759147B - Air-conditioning multiple on-line system - Google Patents
Air-conditioning multiple on-line system Download PDFInfo
- Publication number
- CN102759147B CN102759147B CN201210226378.4A CN201210226378A CN102759147B CN 102759147 B CN102759147 B CN 102759147B CN 201210226378 A CN201210226378 A CN 201210226378A CN 102759147 B CN102759147 B CN 102759147B
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- outdoor
- valve
- cross valve
- main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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 an air-conditioning multiple on-line system, which comprises a compressor, a main four-way valve, an outdoor main heat exchanger, an outdoor electronic expansion valve, a high-pressure liquid storage tank, an indoor electronic expansion valve, an indoor heat exchanger and a low-pressure liquid storage tank, wherein one end of the compressor is connected with a first joint of the main four-way valve; a second joint of the main four-way valve is connected with one end of the outdoor main heat exchanger; the other end of the outdoor main heat exchanger is connected with one end of the high-pressure liquid storage tank through the outdoor electronic expansion valve; a first joint of an auxiliary four-way valve is connected between one end of the compressor and the first joint of the main four-way valve; a second joint of the auxiliary four-way valve sequentially penetrates through an outdoor auxiliary heat exchanger and a second capillary and is connected between the other end of the outdoor main heat exchanger and the outdoor electronic expansion valve; and a third joint of the auxiliary four-way valve sequentially penetrates through a one-way valve and is connected between the other ends of a plurality of parallel indoor heat exchangers and a fourth joint of the main four-way valve. The air-conditioning multiple on-line system has the advantages of simple and reasonable structure, flexibility in operation and wide application range.
Description
Technical field
The present invention relates to a kind of air-conditioner, particularly a kind of air-conditioner multi-connected machine system.
Background technology
Traditional air-conditioner multi-connected machine system, as shown in Figure 1, critical piece comprises compressor 1, cross valve 4, outdoor condenser 5, outdoor electric expansion valve 10, high pressure fluid reservoir 11, indoor electronic expansion valve 12 and indoor heat converter 13 and low-pressure liquid storing tank 16, and this air-conditioner multi-connected machine system can realize refrigeration, heat isotype.But, when such air-conditioner multi-connected machine system is in the time that coupling has many small indoor machines, at small indoor machine of isolated operation, heat exchange area between outdoor condenser and this small indoor machine differs larger, when easily causing little load refrigeration or heating, high frequent start and stop, and lubricating oil in system is difficult for taking back compressor, cause that the reliability of compressor is not high and indoor temperature fluctuation is larger, comfortableness is poor simultaneously.
Chinese patent literature CN102297494A discloses the method and system of a kind of multi-connected machine refrigeration underload stable operation on December 28th, 2011, it is characterized in that first outdoor heat exchanger being divided into two parts by an entirety, control respectively a heat exchanger with two cross valves, when system loading hour, to wherein one section of heat exchanger by corresponding cross valve closes, in case locking system is in load hour, hypotony; Secondly be that each outdoor heat exchanger is installed DC brushless motor fan component, mainly solve under refrigeration mode especially hour stability of a system problem of cryogenic refrigeration indoor load, now, system can utilize cross valve A9 and check valve to combine to form to allow the effect of outdoor heat exchanger B 10 break-makes, thereby selects the outdoor heat exchanger size that participates in condensation to carry out the problem that balance cylinder's internal loading is less.
Summary of the invention
Object of the present invention aims to provide a kind of simple and reasonable, flexible operation, air-conditioner multi-connected machine system applied widely, to overcome weak point of the prior art.
By a kind of air-conditioner multi-connected machine system of this object design, comprise compressor, main cross valve, outdoor main heat exchanger, outdoor electric expansion valve, high pressure fluid reservoir, indoor electronic expansion valve and indoor heat exchanger and low-pressure liquid storing tank, wherein, one end of compressor and the first interface of main cross valve join, the second interface of main cross valve and one end of outdoor main heat exchanger join, the other end of outdoor main heat exchanger joins with one end of high pressure fluid reservoir after outdoor electric expansion valve, the other end of high pressure fluid reservoir joins with one end of multiple indoor heat exchangers in parallel, the 4th interface of the other end of the indoor heat exchanger of the plurality of parallel connection and main cross valve joins, between the other end of each indoor heat exchanger and high pressure fluid reservoir, be serially connected with indoor electronic expansion valve, the 3rd interface of main cross valve and one end of low-pressure liquid storing tank join, the other end of low-pressure liquid storing tank and the other end of compressor join, its architectural feature is also to comprise the first capillary, auxiliary cross valve, outdoor supplementary heat exchanger and the second capillary and check valve, wherein, between first interface access one end of compressor and the first interface of main cross valve of auxiliary cross valve, the second interface of auxiliary cross valve is successively through accessing between the other end and outdoor electric expansion valve of outdoor main heat exchanger after outdoor supplementary heat exchanger and the second capillary, the 3rd interface of auxiliary cross valve accesses between the other end of indoor heat exchanger and the 4th interface of main cross valve of multiple parallel connections through after check valve, between the 3rd interface and check valve of the 4th interface of auxiliary cross valve through the auxiliary cross valve of access after the first capillary.
Air-conditioner multi-connected machine system also comprises three capillary and the first magnetic valve, one end after three capillary is connected in series with the first magnetic valve is accessed between outdoor supplementary heat exchanger and second one end capillaceous, and the other end after three capillary and the first magnetic valve are connected in series accesses between the other end of outdoor main heat exchanger, outdoor electric expansion valve, the second other end three capillaceous.
Air-conditioner multi-connected machine system also comprises the second magnetic valve, and between second interface and outdoor supplementary heat exchanger of the auxiliary cross valve of one end access of this second magnetic valve, the other end of the second magnetic valve accesses between the 3rd interface and low-pressure liquid storing tank of main cross valve.
Described outdoor supplementary heat exchanger is arranged on the side of outdoor main heat exchanger; Or outdoor supplementary heat exchanger is arranged on the side of outdoor main heat exchanger.
Outdoor supplementary heat exchanger in the present invention can be both a part for outdoor main heat exchanger, can be also completely independently one; In the time of refrigeration, if desired move low power indoor set, can utilize outdoor supplementary heat exchanger to serve as evaporimeter together with low power indoor set uses, in the time heating, if desired move low power indoor set, can utilize outdoor supplementary heat exchanger to serve as condenser together with low power indoor set and use, in order to the size of the ability to work of balancing evaporator, condenser; In the time of refrigeration, if desired power or the quantity of the indoor set of operation are many, also can utilize outdoor supplementary heat exchanger to serve as condenser together with outdoor main heat exchanger uses, in the time heating, if desired power or the quantity of the indoor set of operation are many, also can utilize outdoor supplementary heat exchanger to serve as evaporimeter together with outdoor main heat exchanger and use; So, outdoor supplementary heat exchanger can play the power of balance sysmte evaporimeter and condenser or the effect of quantity, therefore can solve the deficiency of traditional multi-connected machine system, can realize powerful off-premises station and can mate more low power indoor set and the wider feature of indoor and outdoor matching range.
The present invention can solve high frequent start and stop in the time of little load operation and cause compressor reliability problem, and indoor temperature fluctuation causes more greatly comfortableness problem, simultaneously also can utilize outdoor supplementary heat exchanger to serve as evaporimeter (in the time of heating operation) or condenser (in the time of refrigerating operaton) mates more indoor sets, it has simple and reasonable, flexible operation, dependable performance, feature applied widely.
Brief description of the drawings
Fig. 1 is the schematic diagram of traditional air-conditioner multi-connected machine system.
Fig. 2 is first embodiment of the invention structural representation.
Fig. 3 is second embodiment of the invention structural representation.
Fig. 4 is third embodiment of the invention structural representation.
In figure: 1 is compressor, 2 is the first capillary, and 3 is auxiliary cross valve, 4 is main cross valve, and 5 is outdoor main heat exchanger, and 6 is outdoor supplementary heat exchanger, 7 is the second capillary, and 8 is three capillary, and 9 is the first magnetic valve, 10 is outdoor electric expansion valve, and 11 is high pressure fluid reservoir, and 12 is indoor electronic expansion valve, 13 is indoor heat exchanger, 14 is the second magnetic valve, and 15 is check valve, and 16 is low-pressure liquid storing tank.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
The first embodiment
Referring to Fig. 2, this air-conditioner multi-connected machine system, comprise compressor 1, main cross valve 4, outdoor main heat exchanger 5, outdoor electric expansion valve 10, high pressure fluid reservoir 11, indoor electronic expansion valve 12 and indoor heat exchanger 13 and low-pressure liquid storing tank 16, wherein, the first interface of one end of compressor 1 and main cross valve 4 joins, the second interface of main cross valve 4 and one end of outdoor main heat exchanger 5 join, the other end of outdoor main heat exchanger 5 joins with one end of high pressure fluid reservoir 11 after outdoor electric expansion valve 10, the other end of high pressure fluid reservoir 11 joins with one end of multiple indoor heat exchangers 13 in parallel, the 4th interface of the other end of the indoor heat exchanger 13 of the plurality of parallel connection and main cross valve 4 joins, between each indoor heat exchanger 13 and the other end of high pressure fluid reservoir 11, be serially connected with indoor electronic expansion valve 12, the 3rd interface of main cross valve 4 and one end of low-pressure liquid storing tank 16 join, the other end of the other end of low-pressure liquid storing tank 16 and compressor 1 joins, also comprise the first capillary 2, auxiliary cross valve 3, outdoor supplementary heat exchanger 6 and the second capillary 7 and check valve 15, wherein, between first interface access one end of compressor 1 and the first interface of main cross valve 4 of auxiliary cross valve 3, the second interface of auxiliary cross valve 3 is successively through accessing between the other end and outdoor electric expansion valve 10 of outdoor main heat exchanger 5 after outdoor supplementary heat exchanger 6 and the second capillary 7, the 3rd interface of auxiliary cross valve 3 is through accessing between the other end of indoor heat exchanger 13 and the 4th interface of main cross valve 4 of multiple parallel connections after check valve 15, between the 3rd interface and check valve 15 of the 4th interface of auxiliary cross valve 3 through the auxiliary cross valve 3 of access after the first capillary 2.
Air-conditioner multi-connected machine system also comprises three capillary 8 and the first magnetic valve 9, one end after three capillary 8 is connected in series with the first magnetic valve 9 is accessed between outdoor supplementary heat exchanger 6 and one end of the second capillary 7, and the other end after three capillary 8 and the first magnetic valve 9 are connected in series accesses between the other end three of the other end of outdoor main heat exchanger 5, outdoor electric expansion valve 10, the second capillary 7.
Air-conditioner multi-connected machine system also comprises the second magnetic valve 14, between second interface and outdoor supplementary heat exchanger 6 of the auxiliary cross valve 3 of one end access of this second magnetic valve 14, the other end of the second magnetic valve 14 accesses between the 3rd interface and low-pressure liquid storing tank 16 of main cross valve 4.
Certainly, above-mentioned auxiliary cross valve also can replace with two magnetic valve parallel connections or three-way diverter valve, and also can obtain essentially identical technique effect.
Outdoor supplementary heat exchanger 6 both can be under refrigeration mode, and outdoor main heat exchanger 5 is in parallel forms a larger condenser and play condensation, also can play evaporation by a larger evaporimeter of formation in parallel with indoor heat exchanger.Otherwise heating mode is next.
Above-mentioned the first capillary, the second capillary, three capillary all available other restricting element are substituted, and can obtain essentially identical technique effect.
In the present embodiment, outdoor supplementary heat exchanger 6 and outdoor main heat exchanger 5 one, outdoor supplementary heat exchanger 6 is arranged on the side of outdoor main heat exchanger 5, and outdoor supplementary heat exchanger 6 all adopts air-cooled refrigeration with outdoor main heat exchanger 5.
In the time of refrigerating operaton, when the power of the indoor set of needs operations or outnumber when default, outdoor supplementary heat exchanger 6 is used as condenser, in parallelly with outdoor main heat exchanger realize reducing pressure by regulating flow effect by outdoor electric expansion valve 10 again, the second capillary does not play reducing pressure by regulating flow effect, and three capillary plays the refrigerant flow in the outer main heat exchanger of distributor chamber, outdoor supplementary heat exchanger.
And when needing the power of indoor set of operation or number more hour, outdoor supplementary heat exchanger 6 is used as evaporimeter, the condensed part of refrigerant of outdoor main heat exchanger is evaporated in power or the less indoor set of number, and another part evaporates at outdoor supplementary heat exchanger 6 after reducing pressure by regulating flow in the second capillary 7; In the time of heating operation, when moving the power of indoor set or outnumber when default, outdoor supplementary heat exchanger 6 is as evaporimeter use, and the second capillary does not play reducing pressure by regulating flow effect, and three capillary plays the effect of the refrigerant flow in the outer main heat exchanger of distributor chamber, outdoor supplementary heat exchanger.The condensed cold-producing medium of indoor set enters respectively outdoor main heat exchanger after the reducing pressure by regulating flow effect of off-premises station electric expansion valve 10, outdoor supplementary heat exchanger evaporates.And in the time needing the less indoor set of operate power or number, outdoor supplementary heat exchanger 6 is used as condenser, the second capillary 7 plays reducing pressure by regulating flow effect, in parallel after throttling again with certain low power indoor set condensation in indoor heat exchanger 13 more afterwards, finally realize evaporation at outdoor main heat exchanger 5.
The second magnetic valve mainly just allows electric connection on it in the time moving more in multicell mechanism heat, so that outdoor supplementary heat exchanger participates in part cold-producing medium evaporation use.
Below the specific works process of air-conditioner multi-connected machine system is described in detail.The left end of following main cross valve, the namely first interface of main cross valve 4; The upper end of main cross valve, namely the second interface of main cross valve 4; The right-hand member of main cross valve, namely the 3rd interface of main cross valve 4; The lower end of main cross valve, namely the 4th interface of main cross valve 4; The left end of auxiliary cross valve, the namely first interface of auxiliary cross valve 3; The upper end of auxiliary cross valve, namely the second interface of auxiliary cross valve 3; The right-hand member of auxiliary cross valve, namely the 3rd interface of auxiliary cross valve 3; The lower end of auxiliary cross valve, namely the 4th interface of auxiliary cross valve 3.
Under refrigeration mode, in the time that the indoor set power of coupling operation is smaller or number is fewer, in order to meet the restriction of compressor minimum operation frequency, or the export-restriction of compressor.Need enough large evaporimeter guarantee compressor to run without interruption.Now, main cross valve 4 does not power on, and the left end of main cross valve is communicated with the upper end of main cross valve, and the right-hand member of main cross valve is communicated with the lower end of main cross valve; Auxiliary cross valve 3 powers on, and the auxiliary left end of cross valve and the lower end of auxiliary cross valve are communicated with, and the right-hand member of main cross valve is communicated with the upper end of main cross valve, and magnetic valve 9 and magnetic valve 14 are in power-up state not; Cold-producing medium is compressed into left end that HTHP overheated gas enters main cross valve 4 and arrives the upper end of main cross valve through compressor 1, carry out condensation in off-premises station main heat exchanger 5.The liquid refrigerant of condensed middle temperature high pressure, a part enters into indoor heat exchanger 13 and carries out evaporation endothermic after outdoor electric expansion valve 10 throttlings, enters into afterwards the lower end of main cross valve 4; And another part is after the second capillary-compensated in capillary module, in outdoor supplementary heat exchanger 6, evaporate again, after enter the upper end of auxiliary cross valve 3, flow out from the right-hand member of auxiliary cross valve, after converging with Part I cold-producing medium, enter into again the lower end of main cross valve 4, cold-producing medium behind interflow is got back to low-pressure liquid storing tank 16 from the right-hand member of main cross valve, finally gets back to compressor, completes kind of refrigeration cycle.
Under refrigeration mode, in the time that the indoor set power ratio of mating is large or number is many, now need larger outdoor heat exchanger to be used as condenser, now, main cross valve 4 does not power on, and the left end of main cross valve is communicated with the upper end of main cross valve, and the right-hand member of main cross valve is communicated with the lower end of main cross valve; Auxiliary cross valve 3 does not power on, and the auxiliary left end of cross valve is communicated with the upper end of auxiliary cross valve, assists the right-hand member of cross valve and the lower end of auxiliary cross valve to be communicated with, and magnetic valve 9 is in power-up state, and magnetic valve 14 is in power-up state not; Cold-producing medium is compressed into the overheated gas of HTHP and is divided into two parts through compressor 1, and the left end that a part enters main cross valve 4 arrives the upper end of the cross valve of main cross valve 4 again, carries out condensation in off-premises station main heat exchanger 5.After condensation, become the liquid refrigerant of middle temperature high pressure, and another part overheated gas, in supplementary heat exchanger 6, carry out condensation again through the auxiliary left end of cross valve and the upper end of auxiliary cross valve, again after the magnetic valve in capillary module and three capillary or other adjustable throttle parts, (now, the second capillary does not play reducing pressure by regulating flow effect, three capillary mainly plays the outer main heat exchanger of distributor chamber, the effect of the refrigerant flow in outdoor supplementary heat exchanger) with outdoor main heat exchanger in after the liquid refrigerant of middle temperature high pressure out converges, enter and enter into indoor heat exchanger 13 after outdoor electric expansion valve 10 throttlings and carry out evaporation endothermic, enter into afterwards the lower end of main cross valve 4, get back to low-pressure liquid storing tank 16 from the right-hand member of main cross valve, finally get back to compressor, complete kind of refrigeration cycle.
Under heating mode, in the time that the indoor set power of coupling operation is smaller or number is fewer, in order to meet the restriction of compressor minimum operation frequency, or the export-restriction of compressor.Need enough large condenser guarantee compressor to run without interruption.Now, main cross valve 4 powers on, and the left end of main cross valve is communicated with the lower end of main cross valve, and the right-hand member of main cross valve is communicated with the upper end of main cross valve; Auxiliary cross valve 3 does not power on, and the auxiliary left end of cross valve is communicated with the upper end of auxiliary cross valve, assists cross valve right-hand member to be communicated with the lower end of auxiliary cross valve, and the first magnetic valve 9 and the second magnetic valve 14 are in power-up state not; Cold-producing medium is compressed into the overheated gas of HTHP and is divided into two parts through compressor 1, and the left end that a part enters main cross valve 4 arrives the lower end of main cross valve again, in indoor main heat exchanger 13, carries out condensation heat release.After condensation, become the liquid refrigerant of middle temperature high pressure, through the gas-liquid two-phase cold-producing medium of outdoor electric expansion valve 10 reducing pressure by regulating flow Cheng Zhongwen low pressure, and another part overheated gas, in supplementary heat exchanger 6, carry out condensation again through the auxiliary left end of cross valve and the upper end of auxiliary cross valve, (now the second magnetic valve 9 is in power down closed condition) reducing pressure by regulating flow after the second capillary in capillary module again, after the gas-liquid two-phase cold-producing medium of the middle temperature low pressure of coming with outdoor electric expansion valve 10 converges, enter and enter into indoor heat exchanger 13 after outdoor electric expansion valve 10 throttlings and carry out evaporation endothermic, enter into afterwards the lower end of main cross valve 4, get back to low-pressure liquid storing tank 16 from the right-hand member of main cross valve, finally get back to compressor, complete and heat circulation.
Under heating mode, in the time that the indoor set power ratio of mating is large or number is many, now need larger outdoor heat exchanger to be used as evaporimeter, main cross valve 4 powers on, the left end of main cross valve is communicated with the lower end of main cross valve, and the right-hand member of main cross valve is communicated with the upper end of main cross valve; Auxiliary cross valve 3 powers on, and the auxiliary left end of cross valve and the lower end of auxiliary cross valve are communicated with, and the auxiliary right-hand member of cross valve and the upper end of auxiliary cross valve are communicated with, and the first magnetic valve 9 and the second magnetic valve 14 are in power-up state; Cold-producing medium is compressed into left end that HTHP overheated gas enters main cross valve 4 and arrives the lower end of main cross valve through compressor 1, in indoor main heat exchanger 13, carry out condensation.After condensation, become the liquid refrigerant of middle temperature high pressure, after outdoor electronic throttle parts 10 reducing pressure by regulating flows, become the gas-liquid two-phase cold-producing medium of middle temperature low pressure, after be divided into two parts, one evaporates in outdoor main heat exchanger 5, cold-producing medium after evaporation enters into the upper end of main cross valve 4, flow out from the right-hand member of main cross valve 4, another part through three capillary (now first, the second capillary does not play reducing pressure by regulating flow effect, three capillary mainly plays the outer main heat exchanger of distributor chamber, the effect of refrigerant flow in outdoor supplementary heat exchanger), then in outdoor supplementary heat exchanger 6, evaporate, cold-producing medium after evaporation is by the second magnetic valve 14, enter into the right-hand member of main cross valve 4, with from outdoor main heat exchanger 5, after evaporation refrigerant mixed later, enter into low-pressure liquid storing tank 16, finally get back to compressor, complete and heat circulation.
The second embodiment
Referring to Fig. 3, in the present embodiment, outdoor supplementary heat exchanger 6 is completely independent, and outdoor supplementary heat exchanger 6 is arranged on the side of outdoor main heat exchanger 5.Outdoor supplementary heat exchanger 6 adopts water-cooled refrigeration, and the 6a in Fig. 3 is the second check valve, and 6b is cooling pond or cooling tower.
All the other are not stated part and see the first embodiment, repeat no more.
The 3rd embodiment
Referring to Fig. 4, in the present embodiment, outdoor supplementary heat exchanger 6 is completely independent, and outdoor supplementary heat exchanger 6 is arranged on the side of outdoor main heat exchanger 5.Outdoor supplementary heat exchanger 6 adopts air-cooled refrigeration.
All the other are not stated part and see the first embodiment, repeat no more.
The application is not only limited to above-mentioned example, and in the application's essential scope, any variation, remodeling, increase or the replacement made, also belong to the application's protection domain.
Claims (4)
1. an air-conditioner multi-connected machine system, comprise compressor (1), main cross valve (4), outdoor main heat exchanger (5), outdoor electric expansion valve (10), high pressure fluid reservoir (11), indoor electronic expansion valve (12) and indoor heat exchanger (13) and low-pressure liquid storing tank (16), wherein, the first interface of one end of compressor (1) and main cross valve (4) joins, one end of the second interface of main cross valve (4) and outdoor main heat exchanger (5) joins, the other end of outdoor main heat exchanger (5) joins with one end of high pressure fluid reservoir (11) after outdoor electric expansion valve (10), the other end of high pressure fluid reservoir (11) joins with one end of multiple indoor heat exchangers in parallel (13), the other end of the indoor heat exchanger (13) of the plurality of parallel connection and the 4th interface of main cross valve (4) join, between the other end of each indoor heat exchanger (13) and high pressure fluid reservoir (11), be serially connected with indoor electronic expansion valve (12), the 3rd interface of main cross valve (4) and one end of low-pressure liquid storing tank (16) join, the other end of the other end of low-pressure liquid storing tank (16) and compressor (1) joins, it is characterized in that also comprising the first capillary (2), auxiliary cross valve (3), outdoor supplementary heat exchanger (6) and the second capillary (7) and check valve (15), wherein, between one end and the first interface of main cross valve (4) of the first interface access compressor (1) of auxiliary cross valve (3), the second interface of auxiliary cross valve (3) passes through successively outdoor supplementary heat exchanger (6) and the second capillary (7) accesses between the other end and outdoor electric expansion valve (10) of outdoor main heat exchanger (5) afterwards, the 3rd interface of auxiliary cross valve (3) accesses between the other end of indoor heat exchanger (13) and the 4th interface of main cross valve (4) of multiple parallel connections afterwards through check valve (15), the 4th interface (h) of auxiliary cross valve (3) accesses between the 3rd interface and check valve (15) of auxiliary cross valve (3) afterwards through the first capillary (2).
2. air-conditioner multi-connected machine system according to claim 1, it is characterized in that also comprising three capillary (8) and the first magnetic valve (9), one end after three capillary (8) is connected in series with the first magnetic valve (9) is accessed between outdoor supplementary heat exchanger (6) and one end of the second capillary (7), and the other end after three capillary (8) and the first magnetic valve (9) are connected in series accesses between the other end three of the other end of outdoor main heat exchanger (5), outdoor electric expansion valve (10), the second capillary (7).
3. air-conditioner multi-connected machine system according to claim 2, it is characterized in that also comprising the second magnetic valve (14), between second interface and outdoor supplementary heat exchanger (6) of the auxiliary cross valve (3) of one end access of this second magnetic valve (14), the other end of the second magnetic valve (14) accesses between the 3rd interface and low-pressure liquid storing tank (16) of main cross valve (4).
4. according to the arbitrary described air-conditioner multi-connected machine system of claims 1 to 3, it is characterized in that described outdoor supplementary heat exchanger (6) is arranged on the side of outdoor main heat exchanger (5); Or outdoor supplementary heat exchanger (6) is arranged on the side of outdoor main heat exchanger (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226378.4A CN102759147B (en) | 2012-07-02 | 2012-07-02 | Air-conditioning multiple on-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226378.4A CN102759147B (en) | 2012-07-02 | 2012-07-02 | Air-conditioning multiple on-line system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102759147A CN102759147A (en) | 2012-10-31 |
| CN102759147B true CN102759147B (en) | 2014-07-16 |
Family
ID=47053703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210226378.4A Expired - Fee Related CN102759147B (en) | 2012-07-02 | 2012-07-02 | Air-conditioning multiple on-line system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102759147B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836773B (en) * | 2012-11-21 | 2016-08-17 | 美的集团股份有限公司 | Multi-online air-conditioning system and shutdown noise control method thereof |
| CN105509261B (en) * | 2014-09-26 | 2019-11-26 | 美的集团武汉制冷设备有限公司 | The control method of air conditioner and air conditioner |
| CN106052181B (en) * | 2016-07-07 | 2018-09-07 | 广东美的暖通设备有限公司 | Air-conditioning system and its control method |
| CN106766413A (en) * | 2016-11-28 | 2017-05-31 | 镇江恒安防爆电器有限公司 | A kind of energy-conservation, rapid frost melting heater |
| CN106705515B (en) * | 2016-12-23 | 2019-06-04 | 广东美的暖通设备有限公司 | Air-conditioning system and air-conditioning |
| CN110529977A (en) * | 2019-09-12 | 2019-12-03 | 宁波奥克斯电气股份有限公司 | A kind of multi-connected unit control system, control method and air conditioner |
| CN114234487A (en) * | 2021-12-23 | 2022-03-25 | 中电建路桥集团有限公司 | Carbon dioxide variable circulating water source heat pump and hot water unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5159817A (en) * | 1990-11-21 | 1992-11-03 | Hitachi, Ltd. | Refrigerant path apparatus |
| CN1804516A (en) * | 2005-01-10 | 2006-07-19 | 颜世峰 | Heating circulation system of air energy heat pump |
| CN201007581Y (en) * | 2007-01-18 | 2008-01-16 | 珠海格力电器股份有限公司 | Charged heating heat pump hot-water multi-connected air conditioner |
| CN201062853Y (en) * | 2007-06-11 | 2008-05-21 | 广东美的电器股份有限公司 | Air cooling heat pump type multiple outdoor machine of air-conditioner |
| CN101240948A (en) * | 2007-02-10 | 2008-08-13 | 珠海格力电器股份有限公司 | Heat pump hot-water multi-unit air conditioner |
| CN201373632Y (en) * | 2009-02-07 | 2009-12-30 | 广东美的电器股份有限公司 | Multi-connected air-conditioning system |
| CN102435026A (en) * | 2011-11-11 | 2012-05-02 | 广东美的电器股份有限公司 | Auxiliary device of multi-connected air conditioner heat pump system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3723824B2 (en) * | 1997-04-22 | 2005-12-07 | 株式会社日立製作所 | Air conditioner |
-
2012
- 2012-07-02 CN CN201210226378.4A patent/CN102759147B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5159817A (en) * | 1990-11-21 | 1992-11-03 | Hitachi, Ltd. | Refrigerant path apparatus |
| CN1804516A (en) * | 2005-01-10 | 2006-07-19 | 颜世峰 | Heating circulation system of air energy heat pump |
| CN201007581Y (en) * | 2007-01-18 | 2008-01-16 | 珠海格力电器股份有限公司 | Charged heating heat pump hot-water multi-connected air conditioner |
| CN101240948A (en) * | 2007-02-10 | 2008-08-13 | 珠海格力电器股份有限公司 | Heat pump hot-water multi-unit air conditioner |
| CN201062853Y (en) * | 2007-06-11 | 2008-05-21 | 广东美的电器股份有限公司 | Air cooling heat pump type multiple outdoor machine of air-conditioner |
| CN201373632Y (en) * | 2009-02-07 | 2009-12-30 | 广东美的电器股份有限公司 | Multi-connected air-conditioning system |
| CN102435026A (en) * | 2011-11-11 | 2012-05-02 | 广东美的电器股份有限公司 | Auxiliary device of multi-connected air conditioner heat pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102759147A (en) | 2012-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102759147B (en) | Air-conditioning multiple on-line system | |
| CN106642416B (en) | Air conditioning system, composite condenser and operation control method and device of air conditioning system | |
| CN103175344B (en) | Cold-region used multi-connected heat pump system and control method thereof | |
| WO2018072510A1 (en) | Heat recovery system for air conditioner | |
| CN103954066A (en) | Refrigerating device | |
| US10401064B2 (en) | Heat pump and flow path switching apparatus | |
| CN104101124B (en) | Air-conditioner | |
| CN103129348A (en) | Electric vehicle heat pump system | |
| CN102809255B (en) | Air conditioner defrosting system and defrosting method | |
| CN203203289U (en) | Air conditioner | |
| CN203464396U (en) | Multi-refrigerating-cycle energy-saving air conditioning unit with compact indoor unit structure | |
| CN203375758U (en) | Refrigerating cycle system | |
| CN100439809C (en) | Compensating system and compensating control method for compressor | |
| CN105466063A (en) | Heat pump system | |
| CN205079493U (en) | Two -stage overlapping formula cryogenic refrigeration system | |
| CN202813592U (en) | Air-conditioning device | |
| CN200972229Y (en) | Two-purpose machine of air-conditioning and water heating | |
| CN2849548Y (en) | Air supplying system for compressor | |
| CN204254925U (en) | Heat-exchange system and there is its air-conditioner | |
| CN107883600A (en) | One drag two air-conditioning system | |
| CN104019573A (en) | Air conditioner | |
| CN203518362U (en) | Heat pump air-conditioning system and automobile with same | |
| CN203501358U (en) | Air conditioning system | |
| CN112577103A (en) | Multi-split air conditioner and control method thereof | |
| CN103968455A (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20131203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20131203 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Applicant after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Applicant before: GD MIDEA HOLDING CD., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGDONG MIDEA HVAC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MIDEA GROUP CO., LTD. Effective date: 20150610 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150610 Address after: 528311 Beijiao, Guangdong, Shunde Town, Penglai Road, Industrial Avenue, Patentee after: GD MIDEA HEATING & VENTILATING EQUIPMENT Co.,Ltd. Address before: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee before: MIDEA GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 |