CN106403344A - Multi-temperature-area regulation and control refrigeration and heat storage system and work manner - Google Patents
Multi-temperature-area regulation and control refrigeration and heat storage system and work manner Download PDFInfo
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- CN106403344A CN106403344A CN201610968374.1A CN201610968374A CN106403344A CN 106403344 A CN106403344 A CN 106403344A CN 201610968374 A CN201610968374 A CN 201610968374A CN 106403344 A CN106403344 A CN 106403344A
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- refrigeration
- interface
- heat
- coolant
- temperature zone
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Classifications
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F25B39/00—Evaporators; Condensers
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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
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
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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
- F25B41/30—Expansion means; Dispositions thereof
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The invention discloses a multi-temperature-area regulation and control refrigeration and heat storage system. The multi-temperature-area regulation and control refrigeration and heat storage system comprises a compression unit, a first four-way valve, a second four-way valve, a first heat exchanger, a second heat exchanger, a plurality of sets of refrigeration areas, a first stop valve, a second stop valve, a third stop valve and a fourth stop valve. The first four-way valve and the second four-way valve are each provided with an S connector, a C connector, an E connector and a D connector; by the adoption of the scheme, the system flow is controlled through the compression unit, the system flow path is controlled through the multiple valves, and therefore the system has the multiple functions of multi-temperature-area regulation and control, refrigeration and heat storage, heating and overcooling, constant-temperature defrosting, independent heating, independent refrigerating and the like.
Description
Technical field
The present invention relates to the technical field of air-conditioning heat pump, refer in particular to a kind of refrigeration hold over system of multi-temperature zone regulation and control and work
Make mode.
Background technology
Existing overwhelming majority air-conditioning heat pump product, air-conditioning to freeze or based on heating, when air-conditioning is in refrigeration or when heating, to
The substantial amounts of heat of outdoor discharge or cold air；Heat pump is based on water heating, when unit carries out water heating, cold in a large number to outdoor discharge
Gas.And in existing air-conditioning heat pump recuperation of heat product, have will be disposed within for vaporizer, the heat that indoor refrigeration is absorbed comes
Heat；Have vaporizer is placed in tank, and bath room exhaust-heat absorption is recycled；Have is set by dual system heat source side heat exchanger
At one piece, the heat of refrigeration side heat exchanger discharge is used for water heating, realizes recuperation of heat, traditional air conditioner heat pump product function list
One, energy utilization rate is low, and recovery type heat product can only single zone mode be cold makes or heat, and some heat recovery systems need to be freezed or heat and are subject to
It is formed on the restriction of another use side.For this reason, it may be necessary to a kind of can multi-functional operate, refrigeration hold over system that energy utilization rate is high.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, a kind of multi-temperature zone homoiothermic, refrigeration accumulation of heat being provided, heated
The refrigeration hold over system of function and the working methods such as cold, 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 present invention, include
Compressor bank, the first cross valve, the second cross valve, First Heat Exchanger, the second heat exchanger, multigroup refrigeration area, the first stop valve,
Two stop valves, the 3rd stop valve and the 4th stop valve, wherein, the first cross valve and the second cross valve are all containing S, C, E, D tetra-
Interface, described compressor bank is connected with the first cross valve interface S and the first cross valve interface D respectively, described first cross valve
Interface C is connected with the first stop valve and the second cross valve interface D respectively, and this first stop valve is connected with auxiliary condenser
Connect, described auxiliary condenser is connected with check valve, described check valve respectively with reservoir, the second stop valve and the 3rd stop valve
It is connected；Described second cross valve interface C is connected with First Heat Exchanger refrigerant import, described second cross valve interface E and
One heat exchanger refrigerant exit is connected；Described second cross valve interface S is connected with the second heat exchanger refrigerant import, and described second
Heat exchanger refrigerant exit is connected with the second stop valve；Described 3rd stop valve is connected with the second cross valve interface S-phase；Described storage
It is connected with multigroup refrigeration area, wherein, multigroup refrigeration area is separate and is connected, every group of refrigeration between liquid device and the 4th stop valve
Area includes refrigeration stop valve, refrigeration throttle part and refrigerated heat exchanger, wherein, with group refrigeration throttle part and refrigerated heat exchanger
It is connected and is connected with refrigeration stop valve two ends respectively, be connected in series with each other between multigroup refrigeration stop valve；Described 4th section
Only valve is connected with the first cross valve interface E；Described throttle part is connected with auxiliary evaporator and is parallel to the 4th stop valve
Two ends, wherein, described auxiliary evaporator is connected with the first cross valve interface E and throttle part is connected with refrigeration area.
Further, it is provided with electric auxiliary heat in described First Heat Exchanger.
Further, described compressor bank includes multiple compressors parallel with one another, and one of compressor is frequency conversion
Compressor.
A kind of working method of the refrigeration hold over system of multi-temperature zone regulation and control, described refrigeration hold over system includes multi-temperature zone system
Cold multi-temperature zone accumulation of heat, multi-temperature zone refrigeration single temperature zone accumulation of heat, single temperature zone refrigeration multi-temperature zone accumulation of heat, single temperature zone refrigeration single temperature zone accumulation of heat,
Single temperature zone or multi-temperature zone refrigeration, single temperature zone or multi-temperature zone heat and constant temperature defrosting.
The working method of multi-temperature zone refrigeration multi-temperature zone accumulation of heat:Coolant through compressor bank compression after, the coolant of High Temperature High Pressure
First cross valve interface D is entered by compressor bank, then the second cross valve interface D is flowed to by cross valve interface C, then by second
Cross valve interface C flows to First Heat Exchanger refrigerant import, and coolant is carried out after heat exchange by First Heat Exchanger in First Heat Exchanger
Refrigerant exit flows into the second cross valve interface E, then flows to the second heat exchanger refrigerant import, coolant by the second cross valve interface S
Carry out heat exchange in the second heat exchanger；Coolant after the second heat exchanger heat exchange flows to reservoir through the second stop valve, connects
To be flowed through successively by reservoir and flow into the first cross valve interface E through the 4th stop valve again after multigroup refrigeration area heat exchange, then by four
Port valve interface S flows back to compressor bank, wherein, when coolant flows through refrigeration area, closes each group refrigeration stop valve, secondly, coolant exists
Refrigerated heat exchanger absorption refrigeration is flowed into after refrigeration throttle part throttling, the coolant after absorption refrigeration is again in one group of refrigeration area
Flow into next and organize refrigeration area.
The working method of multi-temperature zone refrigeration single temperature zone accumulation of heat：After the compression of coolant compressed unit, the coolant of High Temperature High Pressure by
Compressor bank enters the first cross valve interface D, then flows to the second cross valve interface D by cross valve interface C, then by the second four-way
Valve interface C flows to First Heat Exchanger refrigerant import, and coolant is carried out after heat exchange by First Heat Exchanger coolant in First Heat Exchanger
Outlet flows into the second cross valve interface E, then flows to the 3rd stop valve by the second cross valve interface S, then by the 3rd stop valve stream
To reservoir, then flowed through successively by reservoir and flow into the first cross valve interface through the 4th stop valve again after multigroup refrigeration area heat exchange
E, then flows back to compressor bank by cross valve interface S, wherein, when coolant flows through refrigeration area, closes each group refrigeration stop valve, its
Secondary, coolant flows into refrigerated heat exchanger absorption refrigeration in one group of refrigeration area after refrigeration throttle part throttling, through absorption refrigeration
Coolant afterwards flows into next again and organizes refrigeration area.
The working method of single temperature zone refrigeration multi-temperature zone accumulation of heat：Referring to shown in accompanying drawing, coolant is after compressor bank compression, high
The coolant of warm high pressure enters the first cross valve interface D by compressor bank, then flows to the second cross valve by cross valve interface C and connects
Mouth D, then First Heat Exchanger refrigerant import is flowed to by the second cross valve interface C, after coolant carries out heat exchange in First Heat Exchanger
Second cross valve interface E is flowed into by First Heat Exchanger refrigerant exit, then the second heat exchanger is flowed to by the second cross valve interface S cold
Matchmaker's import, coolant carry out heat exchange in the second heat exchanger, and the coolant after the second heat exchanger heat exchange is through the second stop valve stream
To reservoir, then one group of refrigeration area is flowed into by reservoir, wherein, close the refrigeration stop valve of this group refrigeration area that need to freeze and
Open the refrigeration stop valve of remaining refrigeration area, coolant is after refrigeration throttle part throttling；Flow into refrigerated heat exchanger absorption refrigeration,
Coolant after absorption refrigeration flows into throttle part through remaining refrigeration stop valve more successively, enters after throttle part throttling
Auxiliary evaporator carry out heat absorption evaporation, complete the coolant after heat exchange by auxiliary evaporator flow into the first cross valve interface E, then by
First cross valve interface S flows back to compressor bank.
The working method of single temperature zone refrigeration single temperature zone accumulation of heat：After the compression of coolant compressed unit, the coolant of High Temperature High Pressure by
Compressor bank enters the first cross valve interface D, then flows to the second cross valve interface D by cross valve interface C, then by the second four-way
Valve interface C flows to First Heat Exchanger refrigerant import, and coolant is carried out after heat exchange by First Heat Exchanger coolant in First Heat Exchanger
Outlet flows into the second cross valve interface E, then flows to the 3rd stop valve by the second cross valve interface S, then by the 3rd stop valve stream
To reservoir, then one group of refrigeration area is flowed into by reservoir, wherein, close the refrigeration stop valve of one group of refrigeration area that need to freeze and
Open the refrigeration stop valve of remaining refrigeration area, coolant is after refrigeration throttle part throttling；Flow into refrigerated heat exchanger heat absorption evaporation,
Coolant after heat absorption evaporation flows into throttle part through remaining refrigeration stop valve more successively, enters after throttle part throttling
Auxiliary evaporator carries out heat absorption evaporation, after completing heat exchange；Coolant flows into the first cross valve interface E by auxiliary evaporator, then
Compressor bank is flowed back to by the first cross valve interface S.
Single temperature zone or the working method of multi-temperature zone refrigeration：After the compression of coolant compressed unit, the coolant of High Temperature High Pressure is by pressing
Contracting unit flows into the first cross valve interface D, then flows to the first stop valve by the first cross valve interface C, coolant is then by first
Stop valve flows to auxiliary condenser heat release cooling, and the coolant after heat exchange is flowed out by auxiliary condenser and flows into liquid storage through check valve
Device, then flows to refrigeration area by reservoir and carries out absorption refrigeration, and wherein, the refrigeration demand according to each group refrigeration area selects to close need
The refrigeration stop valve of refrigeration area to be freezed, and do not need the refrigeration area freezing to open refrigeration stop valve；Complete cold after heat exchange
Matchmaker flows to auxiliary evaporator through throttle part, and flows to the first cross valve interface E by auxiliary evaporator, then by the first cross valve
Interface S flows back to compressor bank.
The working method that single temperature zone or multi-temperature zone heat：After the compression of coolant compressed unit, the coolant of High Temperature High Pressure is by pressing
Contracting unit enters cross valve interface D, then flows to the second cross valve interface D again by the second cross valve by the first cross valve interface C
Interface C flows to First Heat Exchanger refrigerant import, and coolant is gone out by First Heat Exchanger coolant after carrying out heat exchange in First Heat Exchanger
Mouth flows into the second cross valve interface E, and system may be selected to open or close the 3rd stop valve according to heating needs, wherein, works as closing
3rd stop valve and open the second stop valve, coolant flows to the second heat exchanger refrigerant import by the second cross valve interface S, and coolant exists
Carry out heat exchange in second heat exchanger again, the coolant after heat exchange flows to reservoir through the second stop valve again, how warm realize
Area heats；When the 3rd stop valve is opened in closing and closes the second stop valve, coolant flows to the 3rd cut-off by the second cross valve interface S
Valve, flows into reservoir after the 3rd stop valve, realizes single temperature zone and heat；Complete the coolant after heat exchange to be passed sequentially through by reservoir again
The refrigeration stop valve of each group refrigeration area flows to throttle part, and coolant flows into auxiliary evaporator after throttle part throttling to be carried out again
Heat absorption evaporation, completes the coolant after heat exchange and flows to the first cross valve interface E by auxiliary evaporator, then by the first cross valve interface
S flows back to compressor bank.
The working method of constant temperature defrosting：After compressor bank compression, the coolant of High Temperature High Pressure is entered coolant by compressor bank
Enter the first cross valve interface D, then auxiliary evaporator is flowed to by the first cross valve interface E and carry out heat release defrosting, hand over through defrosting heat
The refrigeration throttle part that coolant after changing sequentially passes through each refrigeration area after throttle part throttling flows into reservoir, then by liquid storage
Device flows to the second cross valve interface S through the 3rd stop valve, and coolant then flows to First Heat Exchanger by the second cross valve interface E, cold
Matchmaker flows to the second cross valve interface C by First Heat Exchanger, then in First Heat Exchanger interior suction thermal evaporation, the coolant after heat exchange
First cross valve interface C is flowed to by the second cross valve interface D, finally compressor bank is flowed back to by the second cross valve interface S.
Further, the refrigeration hold over system of described multi-temperature zone regulation and control is in multi-temperature zone refrigeration multi-temperature zone accumulation of heat, single temperature zone refrigeration
When multi-temperature zone accumulation of heat and multi-temperature zone heat, after the compression of coolant compressed unit, the coolant of High Temperature High Pressure is in described First Heat Exchanger
The heat release cooling again of described second heat exchanger is entered, supercool function realized to system coolant by described second heat exchanger after heat release.
Further, the refrigeration hold over system of described multi-temperature zone regulation and control is in multi-temperature zone refrigeration multi-temperature zone accumulation of heat, multi-temperature zone refrigeration
When single temperature zone accumulation of heat, single temperature zone refrigeration multi-temperature zone accumulation of heat and single temperature zone refrigeration single temperature zone accumulation of heat, the heat of refrigeration area is inhaled by system
Receive and heat to First Heat Exchanger or First Heat Exchanger and the second heat exchanger, realize heat recovery function.
Further, the refrigeration hold over system of described multi-temperature zone regulation and control when single temperature zone or multi-temperature zone are freezed, pass through auxiliary by system
Help the heat that condenser discharge system is absorbed to described refrigeration area refrigeration.
Further, the refrigeration hold over system of described multi-temperature zone regulation and control when single temperature zone or multi-temperature zone heat, pass through auxiliary by system
Help vaporizer to absorb heat to heat to First Heat Exchanger or First Heat Exchanger and the second heat exchanger.
Further, the refrigeration hold over system of described multi-temperature zone regulation and control is when constant temperature defrosts, Systemic absorption First Heat Exchanger
Heat defrosts to auxiliary evaporator, during defrosting, temperature-resistant in the second heat exchanger, realizes constant temperature defrosting function.
The present invention adopts above-mentioned scheme, and its advantage is by compressor bank control system flow, and passes through
Multiple valve control system streams, make system have multi-temperature zone regulation and control, accumulation of heat of freezing, heat supercool, constant temperature defrosting, individually system
The multiple functions such as heat, separate refrigeration；System can carry out independent homoiothermic to multiple warm areas respectively；Secondly, system accumulation of heat in refrigeration,
Realize heat recovery function；Vaporizer is flowed in addition, coolant being heated area by high temperature when system heats and flowing to again behind low-temperature heating area,
Realize supercool function, thus increasing degree of supercooling.
Brief description
Fig. 1 is the refrigeration hold over system schematic diagram of the multi-temperature zone regulation and control of the present invention.
Fig. 2 is the multi-temperature zone refrigeration multi-temperature zone accumulation of heat fundamental diagram of the present invention.
Fig. 3 is the multi-temperature zone refrigeration single temperature zone accumulation of heat fundamental diagram of the present invention.
Fig. 4 is the single temperature zone refrigeration multi-temperature zone accumulation of heat fundamental diagram of the present invention.
Fig. 5 is the single temperature zone refrigeration single temperature zone accumulation of heat fundamental diagram of the present invention.
Fig. 6 is single temperature zone or the multi-temperature zone refrigeration work schematic diagram of the present invention.
Fig. 7 is the single temperature zone of the present invention or multi-temperature zone heats fundamental diagram.
Fig. 8 is the constant temperature defrosting fundamental diagram of the present invention.
Wherein, 1- compressor bank, 2- first cross valve, 3- second cross valve, 4- First Heat Exchanger, 5- second heat exchanger,
6- refrigeration area, 61- refrigerated heat exchanger, 62- refrigeration throttle part, 63- refrigeration stop valve, 7- first stop valve, 8- second ends
Valve, 9- the 3rd stop valve, 10- the 4th stop valve, 11- throttle part, 12- auxiliary evaporator, 13- auxiliary condenser, 14- is unidirectional
Valve, 15- reservoir, the auxiliary heat of 16- electricity.
Specific embodiment
With reference to specific embodiment, the present invention is further illustrated.
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 cross valve 2, the second cross 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 cross valve 2 and the second cross valve 3 are all containing tetra- interfaces of S, C, E, D.Described compression
Unit 1 is connected with the first cross valve 2 interface S and the first cross valve 2 interface D respectively, and described first cross valve 2 interface C is respectively
It is connected with the first stop valve 7 and the second cross valve 3 interface D, and this first stop valve 7 is connected with auxiliary condenser 13, institute
State auxiliary condenser 13 to be connected with check valve 14, described check valve 14 respectively with reservoir 15, the second stop valve 8 and the 3rd section
Only valve 9 is connected；Described second cross valve 3 interface C is connected with First Heat Exchanger 4 refrigerant import, and described second cross valve 3 connects
Mouth E is connected with First Heat Exchanger 4 refrigerant exit；Described second cross valve 3 interface S is connected with the second heat exchanger 5 refrigerant import
Connect, described second heat exchanger 5 refrigerant exit is connected with the second stop valve 8；Described 3rd stop valve 9 and the second cross valve 3 connect
Mouth S-phase connects；It is connected with multigroup refrigeration area 6 between described reservoir 15 and the 4th stop valve 10, wherein, multigroup refrigeration area 6 phase
Mutually independence and being 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 be connected with refrigeration stop valve 63 two ends respectively, multigroup
It is connected in series with each other between refrigeration stop valve 63；Described 4th stop valve 10 is connected with the first cross valve 2 interface E；Described section
Stream unit 11 is connected with auxiliary evaporator 12 and is parallel to the 4th stop valve 10 two ends, wherein, described auxiliary evaporator 12 with
First cross valve 2 interface E is connected and throttle part 11 is connected with refrigeration area 6.
In the present embodiment, system is passed through to arrange the compressor bank 1 of double-compressor, and one of compressor compresses for frequency conversion
Machine, system changes frequency-changeable compressor frequency according to the change of end load, by control discharge capacity control cold medium flux it is ensured that
System is normally run.
In the present embodiment, system, by the heat producing when freezing for water heating, realizes heat recovery function；System is by height
Temperature heat area coolant flow through low-temperature heating area after flow to vaporizer again, realize supercool function；By arranging auxiliary evaporator 12,
Realize individually heating；Realize separate refrigeration by arranging auxiliary condenser 13；Secondly, in order that higher heat is produced in hot-zone,
It is provided with electricity auxiliary hot 16 in First Heat Exchanger 4；By above-mentioned functional design, make the refrigeration hold over system that this multi-temperature zone regulates and controls real
Existing multi-temperature zone homoiothermic, recuperation of heat and the function such as supercool.
The refrigeration hold over system of described multi-temperature zone regulation and control stores in multi-temperature zone refrigeration multi-temperature zone accumulation of heat, single temperature zone refrigeration multi-temperature zone
When heat and multi-temperature zone heat, after the compression of coolant compressed unit, the coolant of High Temperature High Pressure is laggard in described First Heat Exchanger heat release
Enter the heat release cooling again of described second heat exchanger, supercool function realized to system coolant by described second heat exchanger.
The refrigeration hold over system of described multi-temperature zone regulation and control stores in multi-temperature zone refrigeration multi-temperature zone accumulation of heat, 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 heat, 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 described multi-temperature zone regulation and control
The discharge system heat absorbed to described refrigeration area refrigeration.
When single temperature zone or multi-temperature zone heat, system passes through auxiliary evaporator to the refrigeration hold over system of described multi-temperature zone regulation and control
Absorb heat to heat to First Heat Exchanger or First Heat Exchanger and the second heat exchanger.
The refrigeration hold over system of described multi-temperature zone regulation and control when constant temperature defrosts, the heat of Systemic absorption First Heat Exchanger come to
Auxiliary evaporator defrosts, during defrosting, temperature-resistant in the second heat exchanger, realizes constant temperature defrosting function.
Illustrate the operation principle of systemic-function 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, coolant after compressor bank 1 compression, high temperature
The coolant of high pressure enters the first cross valve 2 interface D by compressor bank 1, then flows to the second cross valve 3 by cross valve interface C and connects
Mouth D, then First Heat Exchanger 4 refrigerant import is flowed to by the second cross valve 3 interface C, coolant carries out heat exchange in First Heat Exchanger 4
Afterwards the second cross valve 3 interface E is flowed into by First Heat Exchanger 4 refrigerant exit, then flow to second by the second cross valve 3 interface S and change
Hot device 5 refrigerant import, coolant carry out heat exchange in the second heat exchanger 5；Coolant after the second heat exchanger 5 heat exchange is through second
Stop valve 8 flows to reservoir 15, is then flowed through successively by reservoir 15 and flows through the 4th stop valve 10 after the heat exchange of multigroup refrigeration area 6 again
Enter the first cross valve 2 interface E, then compressor bank 1 is flowed back to by cross valve interface S, wherein, when coolant flows through refrigeration area 6, close
Close each group refrigeration stop valve 63, secondly, coolant flows into cooling heat exchange in one group of refrigeration area 6 after refrigeration throttle part 62 throttling
Device 61 absorption refrigeration, the coolant after absorption refrigeration flows into next again and organizes refrigeration area 6；By the circulation of above-mentioned stream, system
Realize multi-region refrigeration multi-region heat accumulation function.
2) when system needs multi-temperature zone refrigeration single temperature zone accumulation of heat：Referring to shown in accompanying drawing 3, after the compressed unit of coolant 1 compression, high
The coolant of warm high pressure enters the first cross valve 2 interface D by compressor bank 1, then flows to the second cross valve 3 by cross valve interface C
Interface D, then First Heat Exchanger 4 refrigerant import is flowed to by the second cross valve 3 interface C, coolant carries out heat friendship in First Heat Exchanger 4
After changing, the second cross valve 3 interface E is flowed into by First Heat Exchanger 4 refrigerant exit, then flow to the 3rd by the second cross valve 3 interface S
Stop valve 9, then reservoir 15 is flowed to by the 3rd stop valve 9, then flowed through successively after the heat exchange of multigroup refrigeration area 6 again by reservoir 15
Flow into the first cross valve 2 interface E through the 4th stop valve 10, then compressor bank 1 is flowed back to by cross valve interface S, wherein, in coolant
When flowing through refrigeration area 6, close each group refrigeration stop valve 63, secondly, coolant saves through refrigeration throttle part 62 in one group of refrigeration area 6
Refrigerated heat exchanger 61 absorption refrigeration is flowed into, the coolant after absorption refrigeration flows into next again and organizes refrigeration area 6 after stream；By above-mentioned
The circulation of stream, system realizes multi-region refrigeration single area heat accumulation function.
3) when system needs single temperature zone refrigeration multi-temperature zone accumulation of heat：Referring to shown in accompanying drawing 4, coolant after compressor bank 1 compression,
The coolant of High Temperature High Pressure enters the first cross valve 2 interface D by compressor bank 1, then flows to the second four-way by cross valve interface C
Valve 3 interface D, then First Heat Exchanger 4 refrigerant import is flowed to by the second cross valve 3 interface C, coolant is carried out in First Heat Exchanger 4
After heat exchange, the second cross valve 3 interface E is flowed into by First Heat Exchanger 4 refrigerant exit, then flowed to by the second cross valve 3 interface S
Second heat exchanger 5 refrigerant import, coolant carry out heat exchange in the second heat exchanger 5, the coolant after the second heat exchanger 5 heat exchange
Flow to reservoir 15, then one group of refrigeration area 6 flowed into by reservoir 15 through the second stop valve 8, wherein, close this group that need to freeze
The refrigeration stop valve 63 of refrigeration area 6 and open the refrigeration stop valve 63 of remaining refrigeration area 6, coolant saves through refrigeration throttle part 62
After stream；Flow into refrigerated heat exchanger 61 absorption refrigeration, the coolant after absorption refrigeration flows through remaining refrigeration stop valve 63 more successively
Enter throttle part 11, enter auxiliary evaporator 12 after throttle part 11 throttling and carry out heat absorption evaporation, complete cold after heat exchange
Matchmaker flows into the first cross valve 2 interface E by auxiliary evaporator 12, then flows back to compressor bank 1 by the first cross valve 2 interface S.Pass through
The circulation of above-mentioned stream is it is achieved that single zone mode cold multi-region heat accumulation function.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 of coolant 1 compression, High Temperature High Pressure
Coolant enters the first cross valve 2 interface D by compressor bank 1, then flows to the second cross valve 3 interface D by cross valve interface C, then
First Heat Exchanger 4 refrigerant import is flowed to by the second cross valve 3 interface C, coolant carry out heat exchange in First Heat Exchanger 4 after by
One heat exchanger 4 refrigerant exit flows into the second cross valve 3 interface E, then flows to the 3rd stop valve 9 by the second cross valve 3 interface S,
Again reservoir 15 is flowed to by the 3rd stop valve 9, then one group of refrigeration area 6 is flowed into by reservoir 15, wherein, close need to freezing
The refrigeration stop valve 63 organizing refrigeration area 6 and the refrigeration stop valve 63 opening remaining refrigeration area 6, coolant is through the throttle part 62 that freezes
After throttling；Flow into refrigerated heat exchanger 61 heat absorption evaporation, the coolant after heat absorption evaporation is more successively through remaining stop valve 63 that freezes
Flow into throttle part 11, enter auxiliary evaporator 12 after throttle part 11 throttling and carry out heat absorption evaporation, after completing heat exchange；
Coolant flows into the first cross valve 2 interface E by auxiliary evaporator 12, then flows back to compressor bank 1 by the first cross valve 2 interface S.Logical
Cross the circulation of above-mentioned stream, system achieves single temperature zone refrigeration single temperature zone heat accumulation function.
5) single temperature zone or multi-temperature zone refrigeration：Referring to shown in accompanying drawing 6, after the compressed unit of coolant 1 compression, High Temperature High Pressure cold
Matchmaker flows into the first cross valve 2 interface D by compressor bank 1, then flows to the first stop valve 7, coolant by the first cross valve 2 interface C
Then auxiliary condenser 13 heat release cooling is flowed to by the first stop valve 7, the coolant after heat exchange is flowed out by auxiliary condenser 13
Flow into reservoir 15 through check valve 14, then refrigeration area 6 is flowed to by reservoir 15 and carry out absorption refrigeration, wherein, according to each group system
The refrigeration demand of cold-zone 6 selects to close the refrigeration stop valve 63 of the refrigeration area 6 needing refrigeration, and does not need the refrigeration area 6 freezing
Open refrigeration stop valve 63；Complete the coolant after heat exchange and flow to auxiliary evaporator 12 through throttle part 11, and by auxiliary evaporator
12 flow to the first cross valve 2 interface E, then flow back to compressor bank 1 by the first cross valve 2 interface S.By following of 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 heat：Referring to shown in accompanying drawing 7, after the compressed unit of coolant 1 compression, High Temperature High Pressure cold
Matchmaker enters cross valve interface D by compressor bank 1, then flows to the second cross valve 3 interface D again by by the first cross valve 2 interface C
Two cross valve 3 interface C flows to First Heat Exchanger 4 refrigerant import, and coolant is changed by first after carrying out heat exchange in First Heat Exchanger 4
Hot device 4 refrigerant exit flows into the second cross valve 3 interface E, 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, coolant flows to the second heat exchange by the second cross valve 3 interface S
Device 5 refrigerant import, coolant carries out heat exchange in the second heat exchanger 5 again, and the coolant after heat exchange is through the second stop valve 8 again
Flow to reservoir 15, realize multi-temperature zone and heat；When the 3rd stop valve 9 is opened in closing and closes the second stop valve 8, coolant is by second
Cross valve 3 interface S flows to the 3rd stop valve 9, flows into reservoir 15, realize single temperature zone and heat after the 3rd stop valve 9；Complete to change
Coolant after heat flows to throttle part 11, coolant warp by the refrigeration stop valve 63 that reservoir 15 passes sequentially through each group refrigeration area 6 again
Flow into auxiliary evaporator 12 after throttle part 11 throttling and carry out heat absorption evaporation again, complete the coolant after heat exchange by auxiliary evaporator
12 flow to the first cross valve 2 interface E, then flow back to compressor bank 1 by the first cross valve 2 interface S.By following of above-mentioned stream
Ring, system achieves the heat-production functions of single temperature zone or multi-temperature zone.
7) constant temperature defrosting：Referring to shown in accompanying drawing 8, after compressor bank 1 compression, the coolant of High Temperature High Pressure is by compressing for coolant
Unit 1 enters the first cross valve 2 interface D, then flows to auxiliary evaporator 12 by the first cross valve 2 interface E and carries out heat release defrosting,
The refrigeration throttle part 62 that coolant after defrosting heat exchange sequentially passes through each refrigeration area 6 after throttle part 11 throttling flows into storage
Liquid device 15, then flows to the second cross valve 3 interface S by reservoir 15 through the 3rd stop valve 9, and coolant is then by the second cross valve 3
Interface E flows to First Heat Exchanger 4, and, in First Heat Exchanger 4 interior suction thermal evaporation, the coolant after heat exchange is by First Heat Exchanger for coolant
4 flow to the second cross valve 3 interface C, then flow to the first cross valve 2 interface C by the second cross valve 3 interface D, finally by the two or four
Port valve 3 interface S flows back to compressor bank 1.By the circulation of above-mentioned stream, refrigerant flow is not through the second heat exchanger 5 and second
There is not heat exchange in heat exchanger 5, system realizes the constant temperature defrosting function to the second heat exchanger 5.
The embodiment of the above is only presently preferred embodiments of the present invention, and not the present invention is done with any pro forma limit
System.Any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, using the skill of the disclosure above
Art content makes more possible variations and retouching to technical solution of the present invention, or modification is the Equivalent embodiments of the present invention.
Therefore all contents without departing from technical solution of the present invention, the equivalent equivalence changes made according to the thinking of the present invention, all should be covered by
In protection scope of the present invention.
Claims (9)
1. a kind of refrigeration hold over system of multi-temperature zone regulation and control, includes compressor bank（1）, the first cross valve（2）, the second cross 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 cross valve（2）With the second cross valve（3）All containing tetra- interfaces of S, C, E, D, it is special
Levy and be：Described compressor bank（1）Respectively with the first cross valve（2）Interface S and the first cross valve（2）Interface D is connected, described
First cross valve（2）Interface C respectively with the first stop valve（7）With the second cross valve（3）Interface D is connected, and this first cut-off
Valve（7）With auxiliary condenser（13）It is connected, described auxiliary condenser（13）With check valve（14）It is connected, described check valve
（14）Respectively with reservoir（15）, the second stop valve（8）With the 3rd stop valve（9）It is connected；Described second cross valve（3）Interface
C and First Heat Exchanger（4）Refrigerant import is connected, described second cross valve（3）Interface E and First Heat Exchanger（4）Refrigerant exit
It is connected；Described second cross valve（3）Interface S and the second heat exchanger（5）Refrigerant import is connected, described second heat exchanger（5）
Refrigerant exit and the second stop valve（8）It is connected；Described 3rd stop valve（9）With the second cross valve（3）Interface S-phase connects；Institute
State reservoir（15）With the 4th stop valve（10）Between be connected with multigroup refrigeration area（6）, wherein, multigroup refrigeration area（6）Mutually only
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 organizing refrigeration area（62）With refrigerated heat exchanger（61）It is connected and end with refrigeration respectively
Valve（63）Two ends are connected, multigroup refrigeration stop valve（63）Between be connected in series with each other；Described 4th stop valve（10）With first
Cross valve（2）Interface E is connected；Described throttle part（11）With auxiliary evaporator（12）It is connected and is parallel to the 4th stop valve
（10）Two ends, wherein, described auxiliary evaporator（12）With the first cross valve（2）Interface E is connected and throttle part（11）With system
Cold-zone（6）It is connected.
2. a kind of multi-temperature zone regulation and control according to claim 1 refrigeration hold over system it is characterised in that：Described first heat exchange
Device（4）Inside it is provided with electric auxiliary heat（16）.
3. a kind of multi-temperature zone regulation and control according to claim 1 refrigeration hold over system it is characterised in that：Described compressor bank
（1）Include multiple compressors parallel with one another, and one of compressor is frequency-changeable compressor.
4. a kind of a kind of refrigeration hold over system of the multi-temperature zone regulation and control described in claim 1-3 working method it is characterised in that：
Single temperature zone accumulation of heat that described refrigeration hold over system includes multi-temperature zone refrigeration multi-temperature zone accumulation of heat, multi-temperature zone is freezed, single temperature zone refrigeration are many
Warm area accumulation of heat, single temperature zone refrigeration single temperature zone accumulation of heat, single temperature zone or multi-temperature zone refrigeration, single temperature zone or multi-temperature zone heat and constant temperature defrosting
Function；The working method of multi-temperature zone refrigeration multi-temperature zone accumulation of heat:Coolant is through compressor bank（1）After compression, the coolant of High Temperature High Pressure
By compressor bank（1）Enter the first cross valve（2）Interface D, then flows to the second cross valve by cross valve interface C（3）Interface D,
Again by the second cross valve（3）Interface C flows to First Heat Exchanger（4）Refrigerant import, coolant is in First Heat Exchanger（4）Inside carry out heat friendship
By First Heat Exchanger after changing（4）Refrigerant exit flows into the second cross valve（3）Interface E, then by the second cross valve（3）Interface S flows
To the second heat exchanger（5）Refrigerant import, coolant are in the second heat exchanger（5）Inside carry out heat exchange；Through the second heat exchanger（5）Heat exchange
Coolant afterwards is through the second stop valve（8）Flow to reservoir（15）, then by reservoir（15）Flow through multigroup refrigeration area successively（6）Change
Again through the 4th stop valve after heat（10）Flow into the first cross valve（2）Interface E, then flows back to compressor bank by cross valve interface S
（1）, wherein, flow through refrigeration area in coolant（6）When, close each group refrigeration stop valve（63）, secondly, coolant is in one group of refrigeration area
（6）Middle through freeze throttle part（6）（2）Refrigerated heat exchanger is flowed into after throttling（61）Absorption refrigeration, cold after absorption refrigeration
Matchmaker flows into next again and organizes refrigeration area（6）；The working method of multi-temperature zone refrigeration single temperature zone accumulation of heat：The compressed unit of coolant（1）Compression
Afterwards, the coolant of High Temperature High Pressure is by compressor bank（1）Enter the first cross valve（2）Interface D, then flows to by cross valve interface C
Two cross valves（3）Interface D, then by the second cross valve（3）Interface C flows to First Heat Exchanger（4）Refrigerant import, coolant changes first
Hot device（4）Inside carry out after heat exchange by First Heat Exchanger（4）Refrigerant exit flows into the second cross valve（3）Interface E, then by second
Cross valve（3）Interface S flows to the 3rd stop valve（9）, then by the 3rd stop valve（9）Flow to reservoir（15）, then by reservoir
（15）Flow through multigroup refrigeration area successively（6）Again through the 4th stop valve after heat exchange（10）Flow into the first cross valve（2）Interface E, then
Compressor bank is flowed back to by cross valve interface S（1）, wherein, flow through refrigeration area in coolant（6）When, close each group refrigeration stop valve
（63）, secondly, coolant is in one group of refrigeration area（6）Middle through freeze throttle part（6）（2）Refrigerated heat exchanger is flowed into after throttling（61）Inhale
Refrigeration heat, the coolant after absorption refrigeration flows into next again and organizes refrigeration area（6）；The work side of single temperature zone refrigeration multi-temperature zone accumulation of heat
Formula：Referring to accompanying drawing（4）Shown, coolant is through compressor bank（1）After compression, the coolant of High Temperature High Pressure is by compressor bank（1）Enter
First cross valve（2）Interface D, then flows to the second cross valve by cross valve interface C（3）Interface D, then by the second cross valve（3）
Interface C flows to First Heat Exchanger（4）Refrigerant import, coolant is in First Heat Exchanger（4）Inside carry out after heat exchange by First Heat Exchanger
（4）Refrigerant exit flows into the second cross valve（3）Interface E, then by the second cross valve（3）Interface S flows to the second heat exchanger（5）Cold
Matchmaker's import, coolant are in the second heat exchanger（5）Inside carry out heat exchange, through the second heat exchanger（5）Coolant after heat exchange is through second section
Only valve（8）Flow to reservoir（15）, then by reservoir（15）Flow into one group of refrigeration area（6）, wherein, close this group that need to freeze
Refrigeration area（6）Refrigeration stop valve（63）And open remaining refrigeration area（6）Refrigeration stop valve（63）, coolant is through refrigeration throttling
Part（62）After throttling；Flow into refrigerated heat exchanger（61）Absorption refrigeration, the coolant after absorption refrigeration is made through remaining more successively
Cold stop valve（63）Flow into throttle part（11）, through throttle part（11）Auxiliary evaporator is entered after throttling（12）Absorbed heat
Evaporation, completes the coolant after heat exchange by auxiliary evaporator（12）Flow into the first cross valve（2）Interface E, then by the first cross valve
（2）Interface S flows back to compressor bank（1）；The working method of single temperature zone refrigeration single temperature zone accumulation of heat：The compressed unit of coolant（1）Compression
Afterwards, the coolant of High Temperature High Pressure is by compressor bank（1）Enter the first cross valve（2）Interface D, then flows to by cross valve interface C
Two cross valves（3）Interface D, then by the second cross valve（3）Interface C flows to First Heat Exchanger（4）Refrigerant import, coolant changes first
Hot device（4）Inside carry out after heat exchange by First Heat Exchanger（4）Refrigerant exit flows into the second cross valve（3）Interface E, then by second
Cross valve（3）Interface S flows to the 3rd stop valve（9）, then by the 3rd stop valve（9）Flow to reservoir（15）, then by reservoir
（15）Flow into one group of refrigeration area（6）, wherein, close the one group of refrigeration area that need to freeze（6）Refrigeration stop valve（63）And open it
Remaining refrigeration area（6）Refrigeration stop valve（63）, coolant is through the throttle part that freezes（62）After throttling；Flow into refrigerated heat exchanger（61）
Heat absorption evaporation, the coolant after heat absorption evaporation is more successively through remaining stop valve that freezes（63）Flow into throttle part（11）, pass through
Throttle part（11）Auxiliary evaporator is entered after throttling（1）（2）Carry out heat absorption evaporation, after completing heat exchange；Coolant is by assisting steaming
Send out device（12）Flow into the first cross valve（2）Interface E, then by the first cross valve（2）Interface S flows back to compressor bank（1）；Single temperature zone
Or the working method of multi-temperature zone refrigeration：The compressed unit of coolant（1）After compression, the coolant of High Temperature High Pressure is by compressor bank（1）Stream
Enter the first cross valve（2）Interface D, then by the first cross valve（2）Interface C flows to the first stop valve（7）, coolant is then by first
Stop valve（7）Flow to auxiliary condenser（1）（3）Heat release is lowered the temperature, and the coolant after heat exchange is by auxiliary condenser（13）Flow out warp
Check valve（14）Flow into reservoir（15）, then by reservoir（15）Flow to refrigeration area（6）Carry out absorption refrigeration, wherein, according to
Each group refrigeration area（6）Refrigeration demand select close need refrigeration refrigeration area（6）Refrigeration stop valve（63）, and do not need to make
Cold refrigeration area（6）Open refrigeration stop valve（63）；Complete the coolant after heat exchange through throttle part（11）Flow to auxiliary evaporator
（12）, and by auxiliary evaporator（12）Flow to the first cross valve（2）Interface E, then by the first cross valve（2）Interface S flows back to pressure
Contracting unit（1）；The working method that single temperature zone or multi-temperature zone heat：The compressed unit of coolant（1）After compression, the coolant of High Temperature High Pressure
By compressor bank（1）Enter cross valve interface D, then by the first cross valve（2）Interface C flows to the second cross valve（3）Interface D is again
By the second cross valve（3）Interface C flows to First Heat Exchanger（4）Refrigerant import, coolant is in First Heat Exchanger（4）Inside carry out heat exchange
Afterwards by First Heat Exchanger（4）Refrigerant exit flows into the second cross valve（3）Interface E, system may be selected to open according to heating needs or
Close the 3rd stop valve（9）, wherein, when closing the 3rd stop valve（9）And open the second stop valve（8）, coolant is by the second four-way
Valve（3）Interface S flows to the second heat exchanger（5）Refrigerant import, coolant is in the second heat exchanger（5）Inside carry out heat exchange again, again
Coolant after heat exchange is through the second stop valve（8）Flow to reservoir（15）, realize multi-temperature zone and heat；When the 3rd cut-off is opened in closing
Valve（9）And close the second stop valve（8）, coolant is by the second cross valve（3）Interface S flows to the 3rd stop valve（9）, through the 3rd cut-off
Valve（9）Flow into reservoir afterwards（15）, realize single temperature zone and heat；Complete the coolant after heat exchange again by reservoir（15）Pass sequentially through each
Group refrigeration area（6）Refrigeration stop valve（63）Flow to throttle part（11）, coolant is through throttle part（11）Auxiliary is flowed into after throttling
Vaporizer（12）Carry out heat absorption evaporation again, complete the coolant after heat exchange by auxiliary evaporator（12）Flow to the first cross valve（2）
Interface E, then by the first cross valve（2）Interface S flows back to compressor bank（1）；The working method of constant temperature defrosting：Coolant is through overcompression
Unit（1）After compression, the coolant of High Temperature High Pressure is by compressor bank（1）Enter the first cross valve（2）Interface D, then by the one or four
Port valve（2）Interface E flows to auxiliary evaporator（12）Carry out heat release defrosting, the coolant after defrosting heat exchange is through throttle part（11）
Each refrigeration area is sequentially passed through after throttling（6）Refrigeration throttle part（62）Flow into reservoir（15）, then by reservoir（15）Warp
3rd stop valve（9）Flow to the second cross valve（3）Interface S, coolant is then by the second cross valve（3）Interface E flows to the first heat exchange
Device（4）, coolant is in First Heat Exchanger（4）Interior suction thermal evaporation, the coolant after heat exchange is by First Heat Exchanger（4）Flow to the two or four
Port valve（3）Interface C, then by the second cross valve（3）Interface D flows to the first cross valve（2）Interface C, finally by the second cross valve
（3）Interface S flows back to compressor bank（1）.
5. a kind of multi-temperature zone regulation and control according to claim 4 refrigeration hold over system it is characterised in that：Described multi-temperature zone is adjusted
The refrigeration hold over system of control is when multi-temperature zone refrigeration multi-temperature zone accumulation of heat, single temperature zone refrigeration multi-temperature zone accumulation of heat and multi-temperature zone heat, cold
The compressed unit of matchmaker（1）After compression, the coolant of High Temperature High Pressure is in described First Heat Exchanger（4）Described second heat exchange is entered after heat release
Device（5）Heat release cooling again, described second heat exchanger（5）Realize to system coolant supercool function.
6. a kind of multi-temperature zone regulation and control according to claim 4 refrigeration hold over system it is characterised in that：Described multi-temperature zone is adjusted
The refrigeration hold over system of control is in multi-temperature zone refrigeration multi-temperature zone accumulation of heat, multi-temperature zone refrigeration single temperature zone accumulation of heat, single temperature zone refrigeration multi-temperature zone
When accumulation of heat and single temperature zone refrigeration single temperature zone accumulation of heat, system is by refrigeration area（6）Heat absorption to First Heat Exchanger（4）Or first change
Hot device（4）With the second heat exchanger（5）Heat, realize heat recovery function.
7. a kind of multi-temperature zone regulation and control according to claim 4 refrigeration hold over system it is characterised in that：Described multi-temperature zone is adjusted
When single temperature zone or multi-temperature zone are freezed, system passes through auxiliary condenser to the refrigeration hold over system of control（13）Discharge system is to described system
Cold-zone（6）Freeze absorbed heat.
8. a kind of multi-temperature zone regulation and control according to claim 4 refrigeration hold over system it is characterised in that：Described multi-temperature zone is adjusted
When single temperature zone or multi-temperature zone heat, system passes through auxiliary evaporator to the refrigeration hold over system of control（12）Absorb heat to change to first
Hot device（4）Or First Heat Exchanger（4）With the second heat exchanger（5）Heat.
9. a kind of multi-temperature zone regulation and control according to claim 4 refrigeration hold over system it is characterised in that：Described multi-temperature zone is adjusted
Control refrigeration hold over system when constant temperature defrosts, Systemic absorption First Heat Exchanger（4）Heat come to auxiliary evaporator（12）Remove
Frost, during defrosting, the second heat exchanger（5）Interior temperature-resistant, realize constant temperature defrosting function.
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| KR20000040513A (en) * | 1998-12-18 | 2000-07-05 | 황한규 | Air conditioner for both cooling and heating |
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