CN1190720A - Composite type air conditioner with cooling and warming operation - Google Patents

Composite type air conditioner with cooling and warming operation Download PDF

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Publication number
CN1190720A
CN1190720A CN98100040A CN98100040A CN1190720A CN 1190720 A CN1190720 A CN 1190720A CN 98100040 A CN98100040 A CN 98100040A CN 98100040 A CN98100040 A CN 98100040A CN 1190720 A CN1190720 A CN 1190720A
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CN
China
Prior art keywords
cold
producing medium
valve
heat converter
check valve
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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.)
Granted
Application number
CN98100040A
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Chinese (zh)
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CN1124450C (en
Inventor
朴赫范
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication date
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Publication of CN1190720A publication Critical patent/CN1190720A/en
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Publication of CN1124450C publication Critical patent/CN1124450C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2521—On-off valves controlled by pulse signals

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses a duplex air conditioner which can complete refrigeration and heating. The invention comprises an outdoor device comprising a flow direction change-over valve used to change the flow direction of refrigerant; a distribution part comprising a plurality of distribution valves and a non-return valve, which is used to distribute expanded refrigerant into a plurality of indoor devices. The distribution valve selectively cuts off the refrigerant flowing into the indoor devices. The non-return valve prevents the refrigerant from flowing reversely. The distribution valves and the non-return valve are connected in series or in parallel, and are connected with a plurality of capillaries expanding the refrigerant in series or in parallel. The invention can both refrigerate and heat air by a single outdoor heat exchanger. In addition, the working modes of refrigeration and heating can be switched easily. Accordingly, the invention is controlled easily.

Description

Compound air conditioner with refrigeration and warming operation
The present invention relates to a kind of air-conditioning, and especially have a single outdoor heat converter and the compound air conditioner of a plurality of indoor heat converters.
One compound air conditioner is equipped with two indoor sets at least.One traditional compound air conditioner shows as Fig. 1, comprises outdoor location 10 with an outdoor heat converter 12 and two indoor heat converters 20 and 22.And there is a dispenser 30 that outdoor location 10 is linked to each other with 22 expanding and be assigned to separately the indoor heat converter 20 and 22 through cooled air and go from what outdoor location 10 was sent with indoor heat converter 20 respectively.
Outdoor heat converter 12 links to each other with compressor 14, and dispenser 30 links to each other with corresponding indoor heat converter 20 outdoor heat converter 12 with 22.One fan (not shown) is dried to improve thermal conversion efficiency to outdoor heat converter 12.
Dispenser 30 opens or closes a valve 32 and arrives indoor heat converter 20 and 22 with circulation selectively or the cold-producing medium that cuts off from outdoor heat converter 12, and will cold-producing medium introduces in two or any one indoor heat converter 20 and 22 and go.Expand by dispenser 30 backs from the cold-producing medium of outdoor location 10 outputs, and distribute to indoor heat converter 20 and 22 selectively.
In indoor thermoconverter 20 and 22, cold-producing medium and room air carry out heat exchange makes the interior space obtain refrigeration to produce the cooling air, and the cold-producing medium after heat exchange returns compressor 14.After this manner, as long as the interior space just obtained refrigeration when cold-producing medium circulated in compressor 14, outdoor heat converter 12, dispenser 30 and indoor heat converter 20 and 22.
Yet, but conventional as described above compound air conditioner be designed so that in outdoor heat converter through the cold-producing medium after the heat exchange during only in device work folk prescription expand to be redistributed in the indoor heat converter by dispenser to ground and go.That is to say that because conventional compound air conditioner is designed to refrigeration mode, it can not heat the interior space.
Therefore, the object of the present invention is to provide a kind of compound air conditioner that can freeze and heat the interior space.
In order to realize above-mentioned purpose of the present invention, a kind of compound air conditioner is provided, include a outdoor location that flows to crossover valve, and a plurality of indoor sets that link to each other with outdoor location are used for the interior space is freezed and heated with selectively conversion flow of refrigerant direction.In addition, a distributor is connected outdoor location with indoor set, will distribute to indoor set from the cold-producing medium that outdoor location is sent selectively, and makes the refrigerant flow direction outdoor location of discharging from indoor set.
Preferably, flow-reversal valve and mouth separately interconnect the flow direction with the cold-producing medium of change from the outdoor heat converter to the indoor set, and vice versa.
Dispenser comprises a plurality of in order to select to interrupt the distributing valve of flow of refrigerant, a plurality of check valves are connected with distributing valve in series or in parallel so that cold-producing medium flows in a direction, and a plurality of capillaries with distributing valve and check valve serial or parallel connection are used to make cold-producing medium to expand.The reverse flow of cold-producing medium is stoped by check valve.Dispenser opens or closes valve and cold-producing medium is expanded all and will decide according to the refrigeration or the flow direction that heats the corresponding to refrigerated medium of state.
According to characteristics of the present invention, air-conditioning can be realized refrigeration and heat the dual mode operation, and simple in structure being easy to controlled.
Make above purpose of the present invention and other advantage become more obvious by described most preferred embodiment of the present invention in detail with reference to relevant accompanying drawing.
Fig. 1 one has shown the figure of conventional compound air conditioner;
Fig. 2 one has shown the figure according to the compound air conditioner of one embodiment of the present of invention;
Fig. 3 one has shown the figure according to the compound air conditioner of an alternative embodiment of the invention; And
Fig. 4 is the table of the running of the compound air conditioner of a demonstration as shown in Fig. 2 and Fig. 3.
Fig. 2 one has shown the figure according to the compound air conditioner of the first embodiment of the present invention.With reference to Fig. 2, a compound air conditioner 100 comprises that one has the outdoor location 110 of the flow-reversal valve 112 of selectively conversion flow of refrigerant direction.Outdoor location 110 by dispenser 130 with the indoor set 120 of a plurality of indoor heat converters 122 with 124 be housed link to each other.
Flow-reversal valve 112 is arranged between compressor 114 and the outdoor heat converter 116.Flow-reversal valve 112 has four mouth P 1, P 2, P 3And P 4Respectively be first mouthful of P successively 1Link to each other with 124 with indoor heat converter 122; Second mouthful of P 2Link to each other with the import of compressor 114; The 3rd mouthful of P 3Link to each other with outdoor heat converter 116; Four-hole P 4Link to each other with the outlet of compressor 114.
At refrigerating state, first mouthful of P 1With second mouthful of P 2Be communicated with, and the 3rd mouthful of P 3With four-hole P 4Be communicated with, so cold-producing medium flows to compressor 114 by indoor heat converter 122 and 124, and arrive outdoor heat converter 116 then.At the state of heating, four-hole P 4With first mouthful of P 1Be communicated with, and the 3rd mouthful of P 3With second mouthful of P 2Be communicated with, so cold-producing medium flows to compressor 114 by outdoor heat converter 116, and and then flow to indoor heat converter 122 and 124.
Dispenser 130 is equipped with one first distributing valve 132 and is installed between outdoor heat converter 116 and indoor heat converter 122 and 124.In addition, one first check valve 134 is in parallel with interruption refrigerant flow direction outdoor heat converter 116 with first distributing valve 132, and one second check valve 138 is in parallel to interrupt refrigerant flow direction indoor heat converter 122 and 124 with first check valve 134.
First check valve 134 is connected with first capillary 136, and second check valve 138 is connected with second capillary 140.When cold-producing medium is discharged and first distributing valve 132 when closing from outdoor heat converter 116, cold-producing medium is expanded and flow to indoor heat converter 122 and 124 through first check valve 134 and first capillary 136.Otherwise, when cold-producing medium is discharged and when closing first distributing valve from indoor heat converter 122 and 124, cold-producing medium expanded and flow to outdoor heat converter 116 through second check valve 138 and second capillary 140.
On the other hand, dispenser 130 comprises that cold-producing medium flows into the second and the 3rd distributing valve 142 and 144 or outflow indoor heat converter 122 and 124 to interrupt selectively.The second and the 3rd distributing valve 142 and 144 is parallel with one another, and one the 3rd check valve 146 is put between first distributing valve 132 and second, third distributing valve 142 and 144.The 3rd check valve 146 cuts off from indoor heat converter 122 and the 124 refrigerant flow direction outdoor heat converters 116 of discharging.The 3rd check valve 146 is connected with the second and the 3rd distributing valve 142 and 144 through three capillary 148, and and the 4th capillary 150 parallel connections.
When cold-producing medium when indoor heat converter 122 and 124 is discharged, open the second and the 3rd distributing valve 142 and 144 selectively, and cold-producing medium expands to flow to outdoor heat converter 116 through third and fourth capillary 148 and 150.
Fig. 3 has shown another embodiment according to compound air conditioner of the present invention.In Fig. 3, first distributing valve 132 is placed between the 3rd check valve 146 and second, third distributing valve 142 and 144.First distributing valve, 132, the first check valves 134 and second check valve 138 are parallel with one another, and first check valve 134 and 136 series connection of first capillary.And, second check valve 138 and 140 series connection of second capillary.
Three capillary 148 is connected between first distributing valve 132 and the 3rd distributing valve 146, and the 3rd distributing valve 146 and the 4th capillary 150 are parallel with one another.
The operation of the compound air conditioner 100 according to most preferred embodiment of the present invention above-mentioned is described with reference to Fig. 2 and Fig. 4.Fig. 4 has shown the situation according to the opening/closing of the corresponding to various valves of state of the compound air conditioner 100 of most preferred embodiment of the present invention.
Should be able to notice, when refrigeration modes, first mouthful of P of flow-reversal valve 1With second mouthful of P 2Be communicated with, and the 3rd mouthful of P 3With four-hole P 4Be communicated with.If when any one in indoor heat converter 122 and 124 was in operating state, then any one in second distributing valve 142 and 144 and first distributing valve 132 were opened.During this time, cold-producing medium is by being recycled to compressor 114 and being introduced dispenser 130 to outdoor heat converter 116 then by in indoor heat converter 122 and 124 any one.
In dispenser 130, cold-producing medium expands it through first distributing valve 132 and the 3rd check valve 146 by three capillary 148, then through any one the introducing indoor heat converter 122 or 124 in the 3rd distributing valve 142 and 143.Heat exchange by each room air when cold-producing medium inflow indoor heat exchanger 122 or 124 makes interior space refrigeration.
On the other hand, if indoor heat converter 122 and 124 all in running, first distributing valve 132 cuts out and the second and the 3rd distributing valve 142 and 144 is opened.At this moment, cold-producing medium is by being recycled to compressor 114 and introducing distribution portion 130 to outdoor heat converter 116 then by indoor heat converter 122 and 124.
In distribution portion 130, cold-producing medium at first expands in first capillary 136 through first check valve 134, secondly is to expand in three capillary 148 and introduce indoor heat converter 122 and 124 then through the 3rd check valve 146.When cold-producing medium inflow indoor heat exchanger 122 and 124 by and the heat exchange of room air with the cooling interior space.
When the mode of heating operates, first mouthful of P of flow-reversal valve 112 1With four-hole P 4Be communicated with, and the 3rd mouthful of P 3With second mouthful of P 2Be communicated with.If any one of indoor heat converter 122 and 124 is among the running, then any one in second distributing valve 142 and 144 and first distributing valve 132 are opened.During this time, expand when flowing through three capillary 148 and the 4th capillary 150, obtaining first by second distributing valve 142 (or the 3rd distributing valve 144) from any one cold-producing medium in indoor heat converter 122 and 124, reexpanding and introduce outdoor heat converter 116 then at second capillary 140 through second check valve 138.
Cold-producing medium heat exchange in outdoor heat converter 116 is then through flowing to the 3rd mouthful of P of crossover valve 112 3With second mouthful of P 2Be introduced into compressor 114 compressions.Compressed cold-producing medium is through the four-hole P of flow-reversal valve 112 4With first mouthful of P 1Introduce indoor heat converter 122 and 124.Cold-producing medium in the indoor heat converter 122 or 124 and room air heat exchange so that indoor space heat.
Therefore, according to compound air conditioner of the present invention can be effectively to interior space refrigeration or heat and simple in structure.In addition, owing to it is easy to the conversion refrigeration and heats state, so be easy to control.
Though according to a particular embodiment of the invention the present invention has been carried out special demonstration and description, should recognize the various modifications that those of ordinary skill in the art can be done in form and details, do not break away from the spirit and scope of the present invention yet.

Claims (5)

1. a multi-air conditioner is characterized in that, comprising:
One outdoor location comprises that a compressor is used for compressed refrigerant, and an outdoor heat converter is used to make said cold-producing medium to do that heat exchange and flows to that change over valve is connected between said compressor and the said outdoor heat converter so that the flow direction of the said cold-producing medium of conversion selectively;
A plurality of indoor sets are equipped with the indoor heat converter that links to each other with said outdoor heat converter respectively and are used for interior space refrigeration or heat; With
Distributor is placed in that the cold-producing medium that is used for discharging from said outdoor location and said indoor set between said outdoor location and the said indoor set expands and the cold-producing medium that expands is assigned to said indoor set and said outdoor location goes.
2. one kind according to the said multi-air conditioner of claim 1, it is characterized in that the wherein said crossover valve that flows to comprises at least four mouths.
3. according to the said multi-air conditioner of claim 1, it is characterized in that wherein said distributor comprises:
One first distributing valve links to each other with said outdoor heat converter and is used for cutting off selectively flowing of cold-producing medium;
One first check valve is used to cut off the said outdoor heat converter of said refrigerant flow direction, and connects with first capillary in order to the said cold-producing medium that expands, again with the said first distributing valve parallel connection;
One second check valve is used to cut off device in the said sky of said refrigerant flow direction, and with said first distributing valve, said first check valve and said first capillary paralleling, again with in order to second capillary series connection of the said cold-producing medium that expands; And
A plurality of second distributing valves link to each other with said indoor set to cut off flowing of said cold-producing medium selectively.
4. according to the said multi-air conditioner of claim 3, it is characterized in that wherein said distributor further includes:
One the 3rd check valve is placed between said first distributing valve and said second distributing valve to cut off the said outdoor location of said refrigerant flow direction;
One three capillary is connected in series between said the 3rd check valve and said second distributing valve so that said cold-producing medium is expanded; And
One the 4th capillary is in parallel with said the 3rd check valve so that said cold-producing medium expansion.
5. according to the said multi-air conditioner of claim 3, it is characterized in that wherein said distributor further comprises:
One the 3rd check valve is placed between said outdoor location and said first distributing valve and flows into said outdoor location to interrupt said cold-producing medium;
One three capillary is connected in series between said the 3rd check valve and said first distributing valve so that said cold-producing medium is expanded; And
One the 4th capillary is in parallel with said the 3rd check valve so that said cold-producing medium expansion.
CN98100040A 1997-02-11 1998-01-16 Composite type air conditioner with cooling and warming operation Expired - Fee Related CN1124450C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR97-4007 1997-02-11
KR1019970004007A KR100220726B1 (en) 1997-02-11 1997-02-11 Multi-airconditioner
KR974007 1997-02-11

Publications (2)

Publication Number Publication Date
CN1190720A true CN1190720A (en) 1998-08-19
CN1124450C CN1124450C (en) 2003-10-15

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CN98100040A Expired - Fee Related CN1124450C (en) 1997-02-11 1998-01-16 Composite type air conditioner with cooling and warming operation

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JP (1) JP2911434B2 (en)
KR (1) KR100220726B1 (en)
CN (1) CN1124450C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100373102C (en) * 2004-10-02 2008-03-05 三星电子株式会社 Multi air conditioner system and pipe connection searching method thereof
CN101788172B (en) * 2009-01-22 2012-07-25 珠海格力电器股份有限公司 Energy-storage air conditioning unit and working method thereof
CN104279789A (en) * 2013-07-11 2015-01-14 东莞市微电环保科技有限公司 Triple co-generation air conditioner system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4576970B2 (en) * 2004-01-06 2010-11-10 株式会社明電舎 Pulse width modulation inverter device and control method thereof
KR100812777B1 (en) 2007-01-08 2008-03-12 주식회사 대우일렉트로닉스 Heat pump system
CN106016457B (en) * 2016-05-23 2018-12-18 广东美的暖通设备有限公司 Multi-line system and its control method for heating restricting element
CN106225312B (en) * 2016-08-19 2019-04-02 广东美的暖通设备有限公司 Multi-line system and its pressure release control method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03247967A (en) * 1990-02-23 1991-11-06 Mitsubishi Electric Corp Multi-room separate air conditioner
CN2163972Y (en) * 1993-08-05 1994-05-04 杭州东宝电器公司 Segmented wall-hanging air-conditioner
CN2170474Y (en) * 1993-09-01 1994-06-29 杭州东宝电器公司 One driving three heat pump window-type split air conditioner

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100373102C (en) * 2004-10-02 2008-03-05 三星电子株式会社 Multi air conditioner system and pipe connection searching method thereof
CN101788172B (en) * 2009-01-22 2012-07-25 珠海格力电器股份有限公司 Energy-storage air conditioning unit and working method thereof
CN104279789A (en) * 2013-07-11 2015-01-14 东莞市微电环保科技有限公司 Triple co-generation air conditioner system
CN104279789B (en) * 2013-07-11 2017-11-07 东莞市微电环保科技有限公司 A kind of trilogy supply air-conditioning system

Also Published As

Publication number Publication date
JP2911434B2 (en) 1999-06-23
JPH10220895A (en) 1998-08-21
CN1124450C (en) 2003-10-15
KR100220726B1 (en) 1999-09-15
KR19980067743A (en) 1998-10-15

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