CN101251311A - Multisystem air conditioner cold and hot water units - Google Patents
Multisystem air conditioner cold and hot water units Download PDFInfo
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- CN101251311A CN101251311A CNA2008100268560A CN200810026856A CN101251311A CN 101251311 A CN101251311 A CN 101251311A CN A2008100268560 A CNA2008100268560 A CN A2008100268560A CN 200810026856 A CN200810026856 A CN 200810026856A CN 101251311 A CN101251311 A CN 101251311A
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- refrigerant
- cooling medium
- loop
- shell
- tube evaporator
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Abstract
The invention provides a multiple-system air conditioner water chiller-heater unit, comprising a plurality of independent primary cooling medium loop systems, wherein, each independent primary cooling medium loop system comprises one or more than one primary cooling medium loop consisting of a compressor, a four-way valve, a heat exchanger and a throttling part and a shell and tube evaporator consisting of one or more than one shell and tube evaporator; a first cooling medium loop of each monomer shell and tube evaporator is arranged inside the cooling medium of a second cooling medium loop; moreover, the cooling medium entrance and the cooling medium exit of the second cooling medium loop are respectively connected to a cooling medium inflow pipe and a cooling medium outlet pipe of the shell and tube evaporator in parallel, the cooling medium inflow pipe and the outlet pipe of the shell and tube evaporator are respectively communicated with a cooling medium inflow header pipe and a cooling medium outlet header pipe of the air conditioner water chiller-heater unit. The multiple-system air conditioner water chiller-heater unit solves the problem of even distribution of the primary cooling medium and the lubricating oil effectively; moreover, when a system which gets out of order is overhauled, other systems can work normally. The simple logic control can realize the full load operation under various circumstances of the partial load by starting the number of independent cooling medium systems and has good energy-saving effect and simpler and more convenient control.
Description
Technical field:
The present invention is a kind of multisystem air conditioner cold and hot water unit, belongs to the renovation technique of air conditioner cold and hot water unit.
Background technology:
The schematic diagram of existing air conditioner cold and hot water unit as shown in Figure 5, usually adopt and form refrigerant circuit system 10 one time by compressor 2, cross valve 3, heat exchanger 4, the throttle part 5 of a plurality of parallel connections, a refrigerant (typically referring to cold-producing medium) is parallel to shell monomer tubular evaparator 9, then in shell monomer tubular evaparator 9 and secondary refrigerant (being often referred to water) carry out heat exchange, the shortcoming that this scheme exists is because it has only a refrigerant inlet and refrigerant exit, so be difficult to solve the problem of refrigerant and lubricating oil uniform distribution.
Summary of the invention:
The objective of the invention is to consider the problems referred to above and a kind of multisystem air conditioner cold and hot water unit that can make refrigerant and lubricating oil uniform distribution is provided.Good energy-conserving effect of the present invention is controlled more simple and conveniently, and the material cost of complete machine is lower.
Technical scheme of the present invention is: include several independent refrigerant circuit systems, wherein each independent refrigerant circuit system includes one or more by compressor, cross valve, heat exchanger, refrigerant loop that throttle part is formed and form the shell and tube evaporator that makes refrigerant and secondary refrigerant finish heat exchange within it by one or more shell monomer tubular evaparator, each shell monomer tubular evaparator is become with one second refrigerant medium loop sets by several first refrigerant medium loop, several first refrigerant medium loop place the refrigerant medium of the second refrigerant medium loop, and on the refrigerant medium inflow pipe that the refrigerant medium inlet of the second refrigerant medium loop of several shell monomer tubular evaparators and refrigerant media outlet are connected in parallel on shell and tube evaporator respectively and the effuser of refrigerant medium, the refrigerant medium inflow pipe of shell and tube evaporator and the effuser of refrigerant medium communicate with the refrigerant medium inflow house steward of air conditioner cold and hot water unit and the outflow house steward of refrigerant medium respectively.
Above-mentioned several independent refrigerant circuit systems are all by a refrigerant loop and the refrigerant circuit system of independence that shell and tube evaporator is formed.
Above-mentioned several independent refrigerant circuit systems all by 2 or 2 with last refrigerant loop and the refrigerant circuit system of independence that shell and tube evaporator is formed.
Above-mentioned several independent refrigerant circuit systems include refrigerant circuit system of independence of being made up of a refrigerant loop and a shell and tube evaporator simultaneously and reach by 2 or 2 with last refrigerant loop and the refrigerant circuit system of independence that shell and tube evaporator is formed.
Above-mentioned each shell monomer tubular evaparator is become with one second refrigerant medium loop sets by 3 to 8 first refrigerant medium loop, and 3 to 8 first refrigerant medium loop place the refrigerant medium of the second refrigerant medium loop.
The present invention is owing to adopt the structure be provided with a refrigerant loop of a plurality of independences, because it has a plurality of refrigerants inlets and a plurality of refrigerant exit, so can solve the problem of refrigerant and lubricating oil uniform distribution effectively; And in actual motion, when overhauling certain system that fault has taken place, other system can operate as normal.Can realize relying on the quantity of opening independent refrigerant system to realize " at full capacity " running under the multiple sub-load condition by simple logic control, good energy-conserving effect is controlled more simple and conveniently, and the material cost of complete machine is lower.The present invention is that a kind of design is ingenious, function admirable, convenient and practical multisystem air conditioner cold and hot water unit.
Description of drawings:
Fig. 1 is a schematic diagram of the present invention;
Fig. 2 is the structural representation of shell and tube evaporator of the present invention;
Fig. 3 is the schematic diagram of shell monomer tubular evaparator of the present invention;
The schematic diagram that Fig. 4 is connected for the outflow house steward of the refrigerant medium inflow house steward of shell and tube evaporator of the present invention and air conditioner cold and hot water unit and refrigerant medium;
Fig. 5 is the schematic diagram of existing air conditioner cold and hot water unit.
Among the figure: 1. independent refrigerant circuit system; 2. compressor; 3. cross valve; 4. heat exchanger; 5. throttle part; 6. shell and tube evaporator; 7. refrigerant medium loop; 8. secondary refrigerant medium loop; 9. shell monomer tubular evaparator; 10. refrigerant circuit system; 11. refrigerant medium inlet; 12. refrigerant medium inlet; 13. refrigerant loop; 14. refrigerant medium inflow pipe; 15. refrigerant medium effuser; 16. the refrigerant medium flows into house steward; 17. the refrigerant medium flows out house steward.
The specific embodiment:
Embodiment 1:
Structural representation of the present invention such as Fig. 1,2,3, shown in 4, include several independent refrigerant circuit systems 1, wherein each independent refrigerant circuit system 1 includes one or more by compressor 2, cross valve 3, heat exchanger 4, refrigerant loop 13 that throttle part 5 is formed and form the shell and tube evaporator 6 that makes refrigerant and secondary refrigerant finish heat exchange within it by one or more shell monomer tubular evaparator 9, wherein the refrigerant exit of the compressor 2 in refrigerant loop 13 enters the mouth with the refrigerant of heat exchanger 4 by cross valve 3 and is connected, the refrigerant exit of heat exchanger 4 is connected with the refrigerant inlet of shell and tube evaporator 6 by throttle part 5, the refrigerant inlet of compressor 2 is connected with another outlet of cross valve 3, each shell monomer tubular evaparator 9 is made up of several first refrigerant medium loop 7 and one second refrigerant medium loop 8, several first refrigerant medium loop 7 place the refrigerant medium of the second refrigerant medium loop 8, and on the refrigerant medium inflow pipe 14 that the refrigerant medium inlet 11 of the second refrigerant medium loop 8 of several shell monomer tubular evaparators 9 and refrigerant media outlet 12 are connected in parallel on shell and tube evaporator 6 respectively and the effuser 15 of refrigerant medium, the refrigerant medium inflow pipe 14 of shell and tube evaporator 6 and the effuser 15 of refrigerant medium communicate with the refrigerant medium inflow house steward 16 of air conditioner cold and hot water unit and the outflow house steward 17 of refrigerant medium respectively.
In the present embodiment, above-mentioned several independent refrigerant circuit systems 1 include refrigerant circuit system of independence of being made up of a refrigerant loop 13 and a shell and tube evaporator 6 simultaneously and reach by 2 or 2 with last refrigerant loop 13 and the refrigerant circuit system of independence that shell and tube evaporator 6 is formed.
For making structure of the present invention simple as far as possible, can satisfy the requirement of serviceability again, above-mentioned each shell monomer tubular evaparator 9 is made up of 3 to 8 first refrigerant medium loop 7 and one second refrigerant medium loop 8, and 3 to 8 first refrigerant medium loop 7 place the refrigerant medium of the second refrigerant medium loop 8.
Embodiment 2:
Structure of the present invention is identical with embodiment 1, and difference is that above-mentioned several independent refrigerant circuit systems 1 are all by a refrigerant loop 13 and the refrigerant circuit system of independence that shell and tube evaporator 6 is formed.
Embodiment 3:
Structure of the present invention is identical with embodiment 1, difference be above-mentioned several independent refrigerant circuit systems 1 all by 2 or 2 with last refrigerant loop 13 and the refrigerant circuit system of independence that shell and tube evaporator 6 is formed.
Claims (5)
1, a kind of multisystem air conditioner cold and hot water unit, it is characterized in that including several independent refrigerant circuit systems (1), wherein each independent refrigerant circuit system (1) includes one or more by compressor (2), cross valve (3), heat exchanger (4), the refrigerant loop (13) that throttle part (5) is formed and form the shell and tube evaporator (6) that makes refrigerant and secondary refrigerant finish heat exchange within it by one or more shell monomer tubular evaparator (9), each shell monomer tubular evaparator (9) is made up of several first refrigerant medium loop (7) and one second refrigerant medium loop (8), several first refrigerant medium loop (7) place the refrigerant medium of the second refrigerant medium loop (8), and on the refrigerant medium inflow pipe (14) that the refrigerant medium inlet (11) of the second refrigerant medium loop (8) of several shell monomer tubular evaparators (9) and refrigerant media outlet (12) are connected in parallel on shell and tube evaporator (6) respectively and the effuser (15) of refrigerant medium, the refrigerant medium inflow pipe (14) of shell and tube evaporator (6) and the effuser (15) of refrigerant medium communicate with the refrigerant medium inflow house steward (16) of air conditioner cold and hot water unit and the outflow house steward (17) of refrigerant medium respectively.
2, multisystem air conditioner cold and hot water unit according to claim 1 is characterized in that refrigerant circuit system of independence that above-mentioned several independent refrigerant circuit systems (1) are made up of a refrigerant loop (13) and a shell and tube evaporator (6) all.
3, multisystem air conditioner cold and hot water unit according to claim 1 is characterized in that above-mentioned several independent refrigerant circuit systems (1) are all by 2 or 2 refrigerant circuit systems of independence of forming with a last refrigerant loop (13) and a shell and tube evaporator (6).
4, multisystem air conditioner cold and hot water unit according to claim 1 is characterized in that above-mentioned several independent refrigerant circuit systems (1) include refrigerant circuit system of independence of being made up of a refrigerant loop (13) and a shell and tube evaporator (6) simultaneously and reach by 2 or 2 refrigerant circuit systems of independence of forming with a last refrigerant loop (13) and a shell and tube evaporator (6).
5, according to each described multisystem air conditioner cold and hot water unit of claim 1 to 4, it is characterized in that above-mentioned each shell monomer tubular evaparator (9) is made up of 3 to 8 first refrigerant medium loop (7) and one second refrigerant medium loop (8), 3 to 8 first refrigerant medium loop (7) place the refrigerant medium of the second refrigerant medium loop (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100268560A CN101251311A (en) | 2008-03-18 | 2008-03-18 | Multisystem air conditioner cold and hot water units |
| CNU2008200450554U CN201191100Y (en) | 2008-03-18 | 2008-03-18 | Hot-cold water unit for multisystem air conditioner |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100268560A CN101251311A (en) | 2008-03-18 | 2008-03-18 | Multisystem air conditioner cold and hot water units |
| CNU2008200450554U CN201191100Y (en) | 2008-03-18 | 2008-03-18 | Hot-cold water unit for multisystem air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101251311A true CN101251311A (en) | 2008-08-27 |
Family
ID=69779184
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100268560A Pending CN101251311A (en) | 2008-03-18 | 2008-03-18 | Multisystem air conditioner cold and hot water units |
| CNU2008200450554U Expired - Fee Related CN201191100Y (en) | 2008-03-18 | 2008-03-18 | Hot-cold water unit for multisystem air conditioner |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200450554U Expired - Fee Related CN201191100Y (en) | 2008-03-18 | 2008-03-18 | Hot-cold water unit for multisystem air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101251311A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375451A (en) * | 2011-12-28 | 2019-10-25 | 维谛公司 | Improved cooling system for high density heat load |
| CN110726207A (en) * | 2019-10-28 | 2020-01-24 | 珠海格力电器股份有限公司 | Multi-system air conditioner control method and device |
| US10897838B2 (en) | 2011-12-28 | 2021-01-19 | Vertiv Corporation | Cooling system for high density heat loads |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759197A (en) * | 2011-04-28 | 2012-10-31 | 朱利和 | Control method of hot water supply system |
-
2008
- 2008-03-18 CN CNA2008100268560A patent/CN101251311A/en active Pending
- 2008-03-18 CN CNU2008200450554U patent/CN201191100Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375451A (en) * | 2011-12-28 | 2019-10-25 | 维谛公司 | Improved cooling system for high density heat load |
| US10897838B2 (en) | 2011-12-28 | 2021-01-19 | Vertiv Corporation | Cooling system for high density heat loads |
| CN110726207A (en) * | 2019-10-28 | 2020-01-24 | 珠海格力电器股份有限公司 | Multi-system air conditioner control method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN201191100Y (en) | 2009-02-04 |
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Open date: 20080827 |