CN206269415U - A kind of refrigeration hold over system of multi-temperature zone regulation and control - Google Patents

A kind of refrigeration hold over system of multi-temperature zone regulation and control Download PDF

Info

Publication number
CN206269415U
CN206269415U CN201621171801.5U CN201621171801U CN206269415U CN 206269415 U CN206269415 U CN 206269415U CN 201621171801 U CN201621171801 U CN 201621171801U CN 206269415 U CN206269415 U CN 206269415U
Authority
CN
China
Prior art keywords
refrigeration
valve
way valve
interface
heat exchanger
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.)
Active
Application number
CN201621171801.5U
Other languages
Chinese (zh)
Inventor
杨杰
施永康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Gaoermei Refrigeration Equipment Co Ltd
Original Assignee
Guangdong Gaoermei Refrigeration Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Gaoermei Refrigeration Equipment Co Ltd filed Critical Guangdong Gaoermei Refrigeration Equipment Co Ltd
Priority to CN201621171801.5U priority Critical patent/CN206269415U/en
Application granted granted Critical
Publication of CN206269415U publication Critical patent/CN206269415U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of refrigeration hold over system of multi-temperature zone regulation and control, include compressor set, first four-way valve, second four-way valve, First Heat Exchanger, second heat exchanger, multigroup refrigeration area, first stop valve, second stop valve, 3rd stop valve and the 4th stop valve, wherein, first four-way valve and the second four-way valve contain S, C, E, tetra- interfaces of D, using above-mentioned scheme, by compressor set control system flow, and by multiple valve control system streams, make system that there is multi-temperature zone to regulate and control, refrigeration accumulation of heat, heat supercooling, constant temperature defrosts, individually heat, the multiple functions such as separate refrigeration.

Description

A kind of refrigeration hold over system of multi-temperature zone regulation and control
Technical field
The utility model is related to the technical field of air-conditioning heat pump, refers in particular to a kind of refrigeration accumulation of heat system of multi-temperature zone regulation and control System.
Background technology
Existing most air-conditioning heat pump products, air-conditioning based on freezing or heat, when air-conditioning is when freezing or heating, to The outdoor substantial amounts of heat of discharge or cold air;Heat pump is largely cold to outdoor discharge when unit carries out water heating based on water heating Gas.And in existing air-conditioning heat pump recuperation of heat product, what is had is disposed within by evaporator, the heat that indoor refrigeration is absorbed comes Heat;What is had is placed in tank evaporator, and bath room exhaust-heat absorption is recycled;What is had is set by dual system heat source side heat exchanger At one piece, the heat of side heat exchanger discharge of freezing is used for water heating, realizes recuperation of heat, traditional air conditioner heat pump product function list One, energy utilization rate is low, recovery type heat product can only single zone mode it is cold system or heat, some heat recovery systems need to freeze or heat and receive It is formed on the limitation of another use side.For this reason, it may be necessary to it is a kind of multi-functional can operate, the refrigeration hold over system that energy utilization rate is high.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of multi-temperature zone temperature adjustment, refrigeration accumulation of heat, system The refrigeration hold over system of the functions such as heat supercooling, constant temperature defrosting.
In order to realize above-mentioned purpose, a kind of refrigeration hold over system of multi-temperature zone regulation and control provided by the utility model, bag Compressor set, the first four-way valve, the second four-way valve, First Heat Exchanger, the second heat exchanger, multigroup refrigeration area, the first cut-off are included Valve, the second stop valve, the 3rd stop valve and the 4th stop valve, wherein, the first four-way valve and the second four-way valve contain S, C, E, D Four interfaces, the compressor set is connected with the first four-way valve interface S and the first four-way valve interface D respectively, and the described 1st Port valve interface C is connected with the first stop valve and the second four-way valve interface D respectively, and first stop valve and auxiliary condenser phase Connection, the auxiliary condenser is connected with check valve, and the check valve ends with reservoir, the second stop valve and the 3rd respectively Valve is connected;The second four-way valve interface C is connected with First Heat Exchanger refrigerant import, the second four-way valve interface E with First Heat Exchanger refrigerant exit is connected;The second four-way valve interface S is connected with the second heat exchanger refrigerant import, and described Two heat exchanger refrigerant exits are connected with the second stop valve;3rd stop valve is connected with the second four-way valve interface S-phase;It is described Multigroup refrigeration area is connected between reservoir and the 4th stop valve, wherein, multigroup refrigeration area is separate and is connected, every group of system Cold-zone includes refrigeration stop valve, refrigeration throttle part and refrigerated heat exchanger, wherein, with group refrigeration throttle part and cooling heat exchange Device is connected and is connected with refrigeration stop valve two ends respectively, is connected in series with each other between multigroup refrigeration stop valve;Described 4th Stop valve is connected with the first four-way valve interface E;The throttle part is connected with auxiliary evaporator and is parallel to the 4th cut-off Valve two ends, wherein, the auxiliary evaporator is connected with the first four-way valve interface E and throttle part is connected with refrigeration area.
Further, electric auxiliary heat is provided with the First Heat Exchanger.
Further, the compressor set includes multiple compressors parallel with one another, and one of compressor is frequency conversion Compressor.
The utility model use above-mentioned scheme, its advantage be by compressor set control system flow, and By multiple valve control system streams, make system that there is multi-temperature zone to regulate and control, refrigeration accumulation of heat, heat supercooling, constant temperature defrosting, independent Heat, the multiple function such as separate refrigeration;System can carry out independent temperature adjustment to multiple warm areas respectively;Secondly, system stores in refrigeration Heat, realizes heat recovery function;In addition, refrigerant is heated after area flows to low-temperature heating area by high temperature when system is heated flowing to evaporation again Device, realizes supercooling function, so as to increase degree of supercooling.
Brief description of the drawings
Fig. 1 is the refrigeration hold over system schematic diagram of multi-temperature zone regulation and control of the present utility model.
Fig. 2 is multi-temperature zone of the present utility model refrigeration multi-temperature zone accumulation of heat fundamental diagram.
Fig. 3 is multi-temperature zone of the present utility model refrigeration single temperature zone accumulation of heat fundamental diagram.
Fig. 4 is single temperature zone of the present utility model refrigeration multi-temperature zone accumulation of heat fundamental diagram.
Fig. 5 is single temperature zone of the present utility model refrigeration single temperature zone accumulation of heat fundamental diagram.
Fig. 6 is single temperature zone of the present utility model or multi-temperature zone refrigeration work schematic diagram.
Fig. 7 is that single temperature zone of the present utility model or multi-temperature zone heat fundamental diagram.
Fig. 8 is constant temperature of the present utility model defrosting fundamental diagram.
Wherein, 1- compressor sets, the four-way valves of 2- first, the four-way valves of 3- second, 4- First Heat Exchangers, the heat exchangers of 5- second, 6- refrigeration areas, 61- refrigerated heat exchangers, 62- refrigeration throttle parts, 63- refrigeration stop valves, the stop valves of 7- first, 8- second ends Valve, the stop valves of 9- the 3rd, the stop valves of 10- the 4th, 11- throttle parts, 12- auxiliary evaporators, 13- auxiliary condensers, 14- is unidirectional Valve, 15- reservoirs, the auxiliary heat of 16- electricity.
Specific embodiment
The utility model is further described with reference to specific embodiment.
Referring to shown in accompanying drawing 1, in the present embodiment, a kind of refrigeration hold over system of multi-temperature zone regulation and control includes compressor Group the 1, first four-way valve 2, the second four-way valve 3, First Heat Exchanger 4, the second heat exchanger 5, multigroup refrigeration area 6, the first stop valve 7, Second stop valve 8, the 3rd stop valve 9, the 4th stop valve 10, auxiliary evaporator 12, throttle part 11, auxiliary condenser 13, list To valve 14 and reservoir 15, wherein, the first four-way valve 2 and the second four-way valve 3 contain tetra- interfaces of S, C, E, D.The compression Unit 1 is connected with the interface S of the first four-way valve 2 and the interface D of the first four-way valve 2 respectively, the interface C of first four-way valve 2 difference It is connected with the first stop valve 7 and the interface D of the second four-way valve 3, and first stop valve 7 is connected with auxiliary condenser 13, institute Auxiliary condenser 13 is stated to be connected with check valve 14, the check valve 14 respectively with reservoir 15, the second stop valve 8 and the 3rd section Only valve 9 is connected;The interface C of second four-way valve 3 is connected with the refrigerant import of First Heat Exchanger 4, and second four-way valve 3 connects Mouth E is connected with the refrigerant exit of First Heat Exchanger 4;The interface S of second four-way valve 3 is connected with the refrigerant import of the second heat exchanger 5 Connect, the refrigerant exit of the second heat exchanger 5 is connected with the second stop valve 8;3rd stop valve 9 connects with the second four-way valve 3 Mouth S-phase connection;Multigroup refrigeration area 6 is connected between the stop valve 10 of the reservoir 15 and the 4th, wherein, the phase of multigroup refrigeration area 6 Mutual independence and it is connected, every group of refrigeration area 6 includes refrigeration stop valve 63, refrigeration throttle part 62 and refrigerated heat exchanger 61, its In, it is connected with refrigerated heat exchanger 61 with group refrigeration throttle part 62 and is connected with stop valve 63 two ends of freezing respectively, it is multigroup It is connected in series with each other between refrigeration stop valve 63;4th stop valve 10 is connected with the interface E of the first four-way valve 2;The section Stream unit 11 is connected with auxiliary evaporator 12 and is parallel to the two ends of the 4th stop valve 10, wherein, the auxiliary evaporator 12 with The interface E of first four-way valve 2 is connected and throttle part 11 is connected with refrigeration area 6.
In the present embodiment, system is frequency conversion compression by setting the compressor set 1 of double-compressor, one of compressor Machine, system changes frequency-changeable compressor frequency according to the change of end load, and cold medium flux is controlled by controlling discharge capacity, it is ensured that System is normally run.
In the present embodiment, the heat that system will be produced when freezing realizes heat recovery function for water heating;System is by height The refrigerant that temperature heats area is flowed through and flow to again behind low-temperature heating area evaporator, realizes supercooling function;By setting auxiliary evaporator 12, Realization is individually heated;Separate refrigeration is realized by setting auxiliary condenser 13;Secondly, in order that heat higher is produced in hot-zone, Electricity auxiliary hot 16 is provided with First Heat Exchanger 4;By above-mentioned Functional Design, the refrigeration hold over system reality for regulating and controlling the multi-temperature zone The functions such as the temperature adjustment of existing multi-temperature zone, recuperation of heat and supercooling.
The refrigeration hold over system of the multi-temperature zone regulation and control stores in the accumulation of heat of multi-temperature zone refrigeration multi-temperature zone, single temperature zone refrigeration multi-temperature zone When heat and multi-temperature zone are heated, after the compressed unit compression of refrigerant, the refrigerant of HTHP is laggard in the First Heat Exchanger heat release Enter second heat exchanger heat release cooling again, second heat exchanger realizes that function is subcooled to system refrigerant.
The refrigeration hold over system of the multi-temperature zone regulation and control stores in the accumulation of heat of multi-temperature zone refrigeration multi-temperature zone, multi-temperature zone refrigeration single temperature zone When heat, single temperature zone refrigeration multi-temperature zone accumulation of heat and single temperature zone refrigeration single temperature zone accumulation of heat, the heat absorption of refrigeration area is given first by system Heat exchanger or First Heat Exchanger and the second heat exchanger are heated, and realize heat recovery function.
When single temperature zone or multi-temperature zone are freezed, system passes through auxiliary condenser to the refrigeration hold over system of the multi-temperature zone regulation and control The discharge system heat absorbed to refrigeration area refrigeration.
When single temperature zone or multi-temperature zone are heated, system passes through auxiliary evaporator to the refrigeration hold over system of the multi-temperature zone regulation and control Heat is absorbed to be heated to First Heat Exchanger or First Heat Exchanger and the second heat exchanger.
The refrigeration hold over system of multi-temperature zone regulation and control when constant temperature defrosts, the heat of Systemic absorption First Heat Exchanger come to Auxiliary evaporator defrosts, temperature-resistant in the second heat exchanger during defrosting, realizes constant temperature defrosting function.
The operation principle of systemic-function is illustrated below in conjunction with the accompanying drawings:
1) when system needs multi-temperature zone refrigeration multi-temperature zone accumulation of heat:Referring to shown in accompanying drawing 2, refrigerant by after the compression of compressor set 1, The refrigerant of HTHP enters the interface D of the first four-way valve 2 by compressor set 1, then flows to the second four-way by four-way valve interface C The interface D of valve 3, then the refrigerant import of First Heat Exchanger 4 is flowed to by the interface C of the second four-way valve 3, refrigerant is carried out in First Heat Exchanger 4 The interface E of the second four-way valve 3 is flowed into by the refrigerant exit of First Heat Exchanger 4 after heat exchange, is then flowed to by the interface S of the second four-way valve 3 The refrigerant import of second heat exchanger 5, refrigerant carry out heat exchange in the second heat exchanger 5;Refrigerant after the heat exchange of the second heat exchanger 5 Reservoir 15 is flowed to through the second stop valve 8, is then flowed through successively after multigroup refrigeration area 6 exchanges heat again through the 4th cut-off by reservoir 15 Valve 10 flows into the interface E of the first four-way valve 2, then flows back to compressor set 1 by four-way valve interface S, wherein, flow through refrigeration area in refrigerant When 6, each group refrigeration stop valve 63 is closed, secondly, refrigerant flows into system after being throttled through the throttle part 62 that freezes in one group of refrigeration area 6 The absorption refrigeration of cold heat exchanger 61, next group of refrigeration area 6 is flowed into by the refrigerant after absorption refrigeration again;By following for above-mentioned stream Ring, system realizes multi-region refrigeration multi-region heat accumulation function.
2) when system needs multi-temperature zone refrigeration single temperature zone accumulation of heat:It is high after the compressed unit 1 of refrigerant compresses referring to shown in accompanying drawing 3 The refrigerant of warm high pressure enters the interface D of the first four-way valve 2 by compressor set 1, then flows to the second four-way valve 3 by four-way valve interface C Interface D, then the refrigerant import of First Heat Exchanger 4 is flowed to by the interface C of the second four-way valve 3, refrigerant carries out hot friendship in First Heat Exchanger 4 The interface E of the second four-way valve 3 is flowed into by the refrigerant exit of First Heat Exchanger 4 after changing, then the 3rd is flowed to by the interface S of the second four-way valve 3 Stop valve 9, then reservoir 15 is flowed to by the 3rd stop valve 9, then flowed through successively after multigroup refrigeration area 6 exchanges heat again by reservoir 15 The interface E of the first four-way valve 2 is flowed into through the 4th stop valve 10, compressor set 1 is then flowed back to by four-way valve interface S, wherein, in refrigerant When flowing through refrigeration area 6, each group refrigeration stop valve 63 is closed, secondly, refrigerant is saved in one group of refrigeration area 6 through the throttle part 62 that freezes The absorption refrigeration of refrigerated heat exchanger 61 is flowed into after stream, next group of refrigeration area 6 is flowed into again by the refrigerant after absorption refrigeration;By above-mentioned The circulation of stream, system realizes the single area's heat accumulation function of multi-region refrigeration.
3) when system needs single temperature zone refrigeration multi-temperature zone accumulation of heat:Referring to shown in accompanying drawing 4, refrigerant by after the compression of compressor set 1, The refrigerant of HTHP enters the interface D of the first four-way valve 2 by compressor set 1, then flows to the second four-way by four-way valve interface C The interface D of valve 3, then the refrigerant import of First Heat Exchanger 4 is flowed to by the interface C of the second four-way valve 3, refrigerant is carried out in First Heat Exchanger 4 The interface E of the second four-way valve 3 is flowed into by the refrigerant exit of First Heat Exchanger 4 after heat exchange, is then flowed to by the interface S of the second four-way valve 3 The refrigerant import of second heat exchanger 5, refrigerant carry out heat exchange in the second heat exchanger 5, the refrigerant after the heat exchange of the second heat exchanger 5 Reservoir 15 is flowed to through the second stop valve 8, one group of refrigeration area 6 then flowed into by reservoir 15, wherein, the group that closing need to freeze The refrigeration stop valve 63 of refrigeration area 6 and the refrigeration stop valve 63 of remaining refrigeration area 6 is opened, refrigerant is saved through the throttle part 62 that freezes After stream;The absorption refrigeration of refrigerated heat exchanger 61 is flowed into, is flowed through remaining refrigeration stop valve 63 successively again by the refrigerant after absorption refrigeration Enter throttle part 11, by carrying out heat absorption evaporation into auxiliary evaporator 12 after the throttling of throttle part 11, complete cold after heat exchange Matchmaker flows into the interface E of the first four-way valve 2 by auxiliary evaporator 12, then flows back to compressor set 1 by the interface S of the first four-way valve 2.Pass through Above-mentioned stream circulation, realizes the cold multi-region heat accumulation function of single zone mode.System can also be entered without the circulation of auxiliary evaporator 12 Row fast-refrigerating.
4) single temperature zone refrigeration single temperature zone accumulation of heat:Referring to shown in accompanying drawing 5, after the compressed unit 1 of refrigerant compresses, HTHP Refrigerant enters the interface D of the first four-way valve 2 by compressor set 1, then flows to the interface D of the second four-way valve 3 by four-way valve interface C, then The refrigerant import of First Heat Exchanger 4 is flowed to by the interface C of the second four-way valve 3, refrigerant carry out heat exchange in First Heat Exchanger 4 after by the The refrigerant exit of one heat exchanger 4 flows into the interface E of the second four-way valve 3, then flows to the 3rd stop valve 9 by the interface S of the second four-way valve 3, Reservoir 15 is flowed to by the 3rd stop valve 9 again, one group of refrigeration area 6 is then flowed into by reservoir 15, wherein, close for need to freezing The refrigeration stop valve 63 for organizing refrigeration area 6 and the refrigeration stop valve 63 for opening remaining refrigeration area 6, refrigerant is through the throttle part 62 that freezes After throttling;The heat absorption evaporation of refrigerated heat exchanger 61 is flowed into, by the refrigerant after evaporation of absorbing heat again successively through remaining refrigeration stop valve 63 Throttle part 11 is flowed into, by carrying out heat absorption evaporation into auxiliary evaporator 12 after the throttling of throttle part 11, after completing heat exchange; Refrigerant flows into the interface E of the first four-way valve 2 by auxiliary evaporator 12, then flows back to compressor set 1 by the interface S of the first four-way valve 2.It is logical The circulation of above-mentioned stream is crossed, system realizes single temperature zone refrigeration single temperature zone heat accumulation function.
5) single temperature zone or multi-temperature zone are freezed:Referring to shown in accompanying drawing 6, after the compressed unit 1 of refrigerant compresses, HTHP it is cold Matchmaker flows into the interface D of the first four-way valve 2 by compressor set 1, then flows to the first stop valve 7, refrigerant by the interface C of the first four-way valve 2 Then flow to the heat release of auxiliary condenser 13 by the first stop valve 7 to lower the temperature, flowed out by auxiliary condenser 13 through the refrigerant after heat exchange Reservoir 15 is flowed into through check valve 14, then flowing to refrigeration area 6 by reservoir 15 carries out absorption refrigeration, wherein, according to each group system The refrigeration stop valve 63 of the refrigeration area 6 for needing refrigeration, and the refrigeration area 6 that need not freeze are closed in the refrigeration demand selection of cold-zone 6 Open refrigeration stop valve 63;Complete the refrigerant after heat exchange and flow to auxiliary evaporator 12 through throttle part 11, and by auxiliary evaporator 12 flow to the interface E of the first four-way valve 2, then flow back to compressor set 1 by the interface S of the first four-way valve 2.By following for above-mentioned stream Ring, system realizes single temperature zone or multi-temperature zone refrigerating function.In addition, system can also be carried out without the circulation of auxiliary evaporator 12 Fast-refrigerating.
6) single temperature zone or multi-temperature zone are heated:Referring to shown in accompanying drawing 7, after the compressed unit 1 of refrigerant compresses, HTHP it is cold Matchmaker enters four-way valve interface D by compressor set 1, then flows to the interface D of the second four-way valve 3 again by the by the interface C of the first four-way valve 2 The interface C of two four-way valve 3 flows to the refrigerant import of First Heat Exchanger 4, and refrigerant is changed after carrying out heat exchange in First Heat Exchanger 4 by first The refrigerant exit of hot device 4 flows into the interface E of the second four-way valve 3, and system may be selected to open or close the 3rd stop valve according to heating needs 9, wherein, when closing the 3rd stop valve 9 and opening the second stop valve 8, refrigerant flows to the second heat exchange by the interface S of the second four-way valve 3 The refrigerant import of device 5, refrigerant carries out heat exchange again in the second heat exchanger 5, and the refrigerant after heat exchange is through the second stop valve 8 again Reservoir 15 is flowed to, realizes that multi-temperature zone is heated;Open the 3rd stop valve 9 and close the second stop valve 8 when closing, refrigerant is by second The interface S of four-way valve 3 flows to the 3rd stop valve 9, and reservoir 15 is flowed into after the 3rd stop valve 9, realizes that single temperature zone is heated;Completion is changed The refrigeration stop valve 63 that refrigerant after heat passes sequentially through each group refrigeration area 6 by reservoir 15 again flows to throttle part 11, refrigerant warp Throttle part 11 flows into auxiliary evaporator 12 and carries out heat absorption evaporation again after throttling, and completes the refrigerant after heat exchange by auxiliary evaporator 12 flow to the interface E of the first four-way valve 2, then flow back to compressor set 1 by the interface S of the first four-way valve 2.By following for above-mentioned stream Ring, system realizes the heat-production functions of single temperature zone or multi-temperature zone.
7) constant temperature defrosting:Referring to shown in accompanying drawing 8, refrigerant is by after the compression of compressor set 1, the refrigerant of HTHP is by compressing Unit 1 enters the interface D of the first four-way valve 2, and then flowing to auxiliary evaporator 12 by the interface E of the first four-way valve 2 carries out heat release defrosting, The refrigeration throttle part 62 that each refrigeration area 6 is sequentially passed through after being throttled through throttle part 11 through the refrigerant after the heat exchange that defrosts flows into storage Liquid device 15, then flows to the interface S of the second four-way valve 3 by reservoir 15 through the 3rd stop valve 9, and refrigerant is then by the second four-way valve 3 Interface E flows to First Heat Exchanger 4, refrigerant heat absorption evaporation in First Heat Exchanger 4, through the refrigerant after heat exchange by First Heat Exchanger 4 flow to the interface C of the second four-way valve 3, then the interface C of the first four-way valve 2 are flowed to by the interface D of the second four-way valve 3, finally by the two or four The interface S of port valve 3 flows back to compressor set 1.By the circulation of above-mentioned stream, refrigerant flow is not by the second heat exchanger 5 and second Not there is heat exchange in heat exchanger 5, system realizes the function that defrosted to the constant temperature of the second heat exchanger 5.
The embodiment of the above is only preferred embodiment of the present utility model, and any form is not done to the utility model On limitation.Any those of ordinary skill in the art, in the case where technical solutions of the utility model ambit is not departed from, using upper The technology contents for stating announcement make more possible variations and retouching to technical solutions of the utility model, or modification is this practicality New Equivalent embodiments.Therefore all contents without departing from technical solutions of the utility model, made according to the thinking of the utility model Equivalent equivalence changes, all should be covered by protection domain of the present utility model.

Claims (3)

1. a kind of refrigeration hold over system of multi-temperature zone regulation and control, includes compressor set(1), the first four-way valve(2), the second four-way valve (3), First Heat Exchanger(4), the second heat exchanger(5), multigroup refrigeration area(6), the first stop valve(7), the second stop valve(8), Three stop valves(9), the 4th stop valve(10), auxiliary evaporator(12), throttle part(11), auxiliary condenser(13), check valve (14)And reservoir(15), wherein, the first four-way valve(2)With the second four-way valve(3)Contain tetra- interfaces of S, C, E, D, it is special Levy and be:The compressor set(1)Respectively with the first four-way valve(2)Interface S and the first four-way valve(2)Interface D is connected, described First four-way valve(2)Interface C respectively with the first stop valve(7)With the second four-way valve(3)Interface D is connected, and first cut-off Valve(7)With auxiliary condenser(13)It is connected, the auxiliary condenser(13)With check valve(14)It is connected, the check valve (14)Respectively with reservoir(15), the second stop valve(8)With the 3rd stop valve(9)It is connected;Second four-way valve(3)Interface C and First Heat Exchanger(4)Refrigerant import is connected, second four-way valve(3)Interface E and First Heat Exchanger(4)Refrigerant exit It is connected;Second four-way valve(3)Interface S and the second heat exchanger(5)Refrigerant import is connected, second heat exchanger(5) Refrigerant exit and the second stop valve(8)It is connected;3rd stop valve(9)With the second four-way valve(3)Interface S-phase is connected;Institute State reservoir(15)With the 4th stop valve(10)Between be connected with multigroup refrigeration area(6), wherein, multigroup refrigeration area(6)Mutually solely Stand and be connected, every group of refrigeration area(6)Include refrigeration stop valve(63), refrigeration throttle part(62)And refrigerated heat exchanger (61), wherein, with the refrigeration throttle part of group refrigeration area(62)With refrigerated heat exchanger(61)Be connected and respectively with refrigeration end Valve(63)Two ends are connected, multigroup refrigeration stop valve(63)Between be connected in series with each other;4th stop valve(10)With first Four-way valve(2)Interface E is connected;The throttle part(11)With auxiliary evaporator(12)It is connected and is parallel to the 4th stop valve (10)Two ends, wherein, the auxiliary evaporator(12)With the first four-way valve(2)Interface E is connected and throttle part(11)With system Cold-zone(6)It is connected.
2. the refrigeration hold over system that a kind of multi-temperature zone according to claim 1 regulates and controls, it is characterised in that:First heat exchange Device(4)Inside it is provided with electric auxiliary heat(16).
3. the refrigeration hold over system that a kind of multi-temperature zone according to claim 1 regulates and controls, it is characterised in that:The compressor set (1)Multiple compressors parallel with one another are included, and one of compressor is frequency-changeable compressor.
CN201621171801.5U 2016-10-26 2016-10-26 A kind of refrigeration hold over system of multi-temperature zone regulation and control Active CN206269415U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621171801.5U CN206269415U (en) 2016-10-26 2016-10-26 A kind of refrigeration hold over system of multi-temperature zone regulation and control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621171801.5U CN206269415U (en) 2016-10-26 2016-10-26 A kind of refrigeration hold over system of multi-temperature zone regulation and control

Publications (1)

Publication Number Publication Date
CN206269415U true CN206269415U (en) 2017-06-20

Family

ID=59038330

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621171801.5U Active CN206269415U (en) 2016-10-26 2016-10-26 A kind of refrigeration hold over system of multi-temperature zone regulation and control

Country Status (1)

Country Link
CN (1) CN206269415U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403344A (en) * 2016-10-26 2017-02-15 广东高而美制冷设备有限公司 Multi-temperature-area regulation and control refrigeration and heat storage system and work manner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403344A (en) * 2016-10-26 2017-02-15 广东高而美制冷设备有限公司 Multi-temperature-area regulation and control refrigeration and heat storage system and work manner

Similar Documents

Publication Publication Date Title
CN203231419U (en) Air conditioner
CN104567074B (en) Air-conditioning Cycle device and its control method
CN104061705B (en) Two-stage Compression air-conditioning system and its control method
CN104197581A (en) Refrigerating and heating method and system of three-pipe heat recovery multiple-on-line system
CN108332285A (en) Air-conditioner system
CN102721149A (en) Air conditioner and control method thereof
CN104296413A (en) Variable frequency low-temperature strong heat air conditioner system
CN104567075B (en) Air-conditioning Cycle device and its control method
CN108224840A (en) A kind of heat pump air conditioning system and control method
CN104197571A (en) Three-pipe heat recovery multiple-on-line system
CN107763774A (en) Air conditioner cooling cycle system and air conditioner
CN103528136B (en) Fresh air handling units and control system thereof
CN110173931A (en) Can supply cold wind, hot wind, hot water, cold water system
CN106369721A (en) Household small-sized energy storage air conditioner system
CN206676353U (en) Air-conditioning system
CN203893480U (en) Air cooling heat pump unit
CN110779080B (en) Continuous heating heat recovery air conditioner outdoor system, heat recovery air conditioner and using method thereof
CN205747589U (en) A kind of heat-exchange system and there is the heat pump of defrosting function
CN108302839A (en) Air-conditioner system
CN206269415U (en) A kind of refrigeration hold over system of multi-temperature zone regulation and control
CN108061403A (en) A kind of two-way self-cascade heat pump system
CN104197570A (en) Heating method and system of three-pipe heat recovery multiple-on-line system
CN209415818U (en) A kind of air-conditioning system
CN103388922A (en) Dual-compressor multifunctional air source heat pump air conditioner system
CN109059335A (en) A kind of low-temperature air source heat pump unit

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant