CN206449920U - A kind of energy-saving heat-exchange system used for refrigerator - Google Patents

A kind of energy-saving heat-exchange system used for refrigerator Download PDF

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Publication number
CN206449920U
CN206449920U CN201621309844.5U CN201621309844U CN206449920U CN 206449920 U CN206449920 U CN 206449920U CN 201621309844 U CN201621309844 U CN 201621309844U CN 206449920 U CN206449920 U CN 206449920U
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fluid
heat exchanger
factory service
circulation
input port
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张翔
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PHST Corp
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PHST Corp
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

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  • Other Air-Conditioning Systems (AREA)

Abstract

The utility model discloses one kind energy-saving heat-exchange system used for refrigerator, including circulation of fluid path, cooling fluid circuit and factory service fluid passage, the circulation of fluid path includes First Heat Exchanger, circulation of fluid entrance and circulation of fluid outlet, the cooling fluid circuit includes compressor, second heat exchanger and the first electric expansion valve, the factory service fluid passage includes the 3rd heat exchanger, second electric expansion valve, factory service fluid intake and factory service fluid issuing, the economizer all the way with factory service water is added in heat-exchange system of the present utility model, when the controlled temperature of controlled object is higher than the temperature of factory service water, compressor hardness can be closed, compressor cooling is substituted using factory service water, both the precision temperature control of controlled object had been solved, also reduce overall energy consumption simultaneously.

Description

A kind of energy-saving heat-exchange system used for refrigerator
Technical field
The utility model is related to a kind of heat-exchange system, more particularly to a kind of energy-saving heat-exchange system used for refrigerator.
Background technology
Temperature controlled system is carried out using refrigerator, reached using the flow after the refrigerant expansion of control refrigerator mostly To the temperature control of temperature control object.And controlled object is needed it is generally necessary to which another steady temperature or a needs are one Some temperature in individual variable temperature range, such as -20~80 degree of degree Celsius.Conventional method is to use another liquid Or gas carries out heat exchange by heat exchanger with above-mentioned refrigerator refrigerant and reaches accurate circulating liquid temperature control, Zhi Houli The temperature of control temperature control object is gone with the circulation of fluid.For doing the refrigerator system that heat is removed using factory service water, work as quilt When the controlled temperature (refrigerator outlet temperature) for controlling object is higher than the temperature of factory service water, existing refrigerator system is in accurate temperature control In the case of, refrigerator meeting continuous running, system is typically to be bypassed using heating agent or aid in heater strip to eliminate its unnecessary refrigeration Amount, but because refrigerator continuous firing can consume substantial amounts of electric energy, cause the waste of the energy.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of energy-saving heat exchange used for refrigerator System, increases economizer in systems, has both solved the precision temperature control of controlled object, while also reducing total physical efficiency Consumption.
To achieve these goals, the technical scheme that the utility model is taken is as follows:A kind of energy-saving heat used for refrigerator is handed over Change system, including circulation of fluid path, cooling fluid circuit, factory service fluid passage and controlled object, the circulation of fluid path Including the outlet of First Heat Exchanger, circulation of fluid entrance and circulation of fluid, circulation of fluid is with cooling fluid in the First Heat Exchanger Place carry out heat exchange, the First Heat Exchanger include first input port, connected with first input port the first output port, Second input port and the second output port connected with the second input port, the circulation of fluid outlet are connected with being controlled object It is logical;
The cooling fluid circuit includes compressor, the second heat exchanger and the first electric expansion valve, cooling fluid and factory service Fluid carries out heat exchange at second heat exchanger, and second heat exchanger includes the 3rd input port and the 3rd input The 3rd output port, the 4th input port and the 4th output port connected with the 4th input port of mouth connection, described first The output port of electric expansion valve is connected with the second input port of the First Heat Exchanger, first electric expansion valve Input port is connected with the 4th output port of second heat exchanger, and the output port of the compressor is changed with described second 4th input port of hot device is connected, the second output port phase of the input port of the compressor and the First Heat Exchanger Connection;
The factory service fluid passage includes the 3rd heat exchanger, the second electric expansion valve, factory service fluid intake and factory service fluid Outlet, factory service fluid carries out heat exchange with cooling fluid at second heat exchanger, and factory service fluid flows out with controlled object Fluid carries out heat exchange at the 3rd heat exchanger, and the 3rd heat exchanger includes the 5th input port and the 5th input The 5th output port, the 6th input port and the 6th output port connected with the 6th input port of mouth connection, the described 3rd The input port of heat exchanger the 5th is connected by the second electric expansion valve with the factory service fluid intake, the 3rd heat exchanger Five output ports are connected with the factory service fluid issuing, and fluid in the controlled object flows into the of the 3rd heat exchanger Six input ports, the 6th output port of the 3rd heat exchanger is connected with circulation of fluid entrance;
The circulation of fluid path also includes the first temperature sensor for being used to detect the circulation of fluid temperature, the factory Business fluid passage also includes the second temperature sensor for being used to detect the factory service fluid temperature (F.T.), based on first TEMP The fluid temperature (F.T.) that device and second temperature sensor are detected controls the switch of the first electric expansion valve and the second electric expansion valve Ratio.
It is preferred that, the switch ratio of first electric expansion valve and the second electric expansion valve is controllable.
It is preferred that, the factory service fluid passage has two paths, and one is flowed into by the factory service fluid intake, by institute The 3rd input port for stating the second heat exchanger is flowed into, and the 3rd output port through second heat exchanger flows out to factory service fluid and gone out Mouthful;One is flowed into via the factory service fluid intake, is flowed into by the 5th input port of the 3rd heat exchanger, and from institute The 5th output port for stating the 3rd heat exchanger flows out to factory service fluid issuing.
It is preferred that, the circulation of fluid path also includes being used to increase the circulating pump of the circulation of fluid circulation power, institute State the input port of circulating pump to connect with the first output port of the First Heat Exchanger, the output port of the circulating pump and institute State circulation of fluid outlet.
It is preferred that, the drier and form being arranged in cooling fluid circuit, institute are also included in the cooling fluid circuit The 4th output port for stating the second heat exchanger sequentially passes through drier and form and connected with the input port of the first electric expansion valve.
It is preferred that, the factory service fluid passage also includes the flowmeter being arranged in factory service fluid passage, the flow Meter, which is arranged on the 3rd heat exchanger, includes the 5th output port.
It is preferred that, the circulation of fluid is liquid or gas, and the cooling fluid is freon refrigerant, the factory service stream Body is cooling water.
The beneficial effects of the utility model are:
The utility model provides a kind of energy-saving heat-exchange system used for refrigerator, increase in heat-exchange system all the way with The economizer of factory service water, compressor hardness when the controlled temperature of controlled object is higher than the temperature of factory service water, can be closed, made Compressor cooling is substituted with factory service water, the precision temperature control of controlled object had both been solved, while also reducing overall energy consumption.
Brief description of the drawings
The utility model will illustrate by example and with reference to the appended drawing, wherein:
Fig. 1 is the structural representation of the utility model in one embodiment.
Wherein:110 be circulation of fluid path, and 111 be circulation of fluid entrance, and 112 be circulation of fluid outlet, and 113 be first Heat exchanger, 114 be the first temperature sensor, and 115 be circulating pump, and 120 be cooling fluid circuit, and 121 be compressor, and 122 be the Two heat exchangers, 123 be the first electric expansion valve, and 124 be drier, and 125 be form, and 130 be factory service fluid passage, and 131 be factory Business fluid intake, 132 be factory service fluid issuing, and 133 be the 3rd heat exchanger, and 134 be the second electric expansion valve, and 135 be second warm Sensor is spent, 136 be flowmeter, and 140 be controlled object.
Embodiment
The utility model is described in further detail below in conjunction with brief description of the drawings and embodiment:
Fig. 1 is a kind of structural representation of energy-saving heat-exchange system used for refrigerator of the present utility model in one embodiment Figure, as shown in figure 1, a kind of energy-saving heat-exchange system used for refrigerator, including circulation of fluid path 110, cooling fluid circuit 120th, factory service fluid passage 130 and controlled object 140, the circulation of fluid path 110 include First Heat Exchanger 113, recycle stream Body entrance 111 and circulation of fluid outlet 112, circulation of fluid carries out heat exchange with cooling fluid at the First Heat Exchanger 113, The First Heat Exchanger 113 includes first input port, the first output port connected with first input port, the second input Mouth and the second output port connected with the second input port, the circulation of fluid outlet 112 are connected with controlled object 140.
The circulation of fluid flows into the through circulation of fluid entrance 111 by the first input port of the First Heat Exchanger 113 One heat exchanger 113, fluid flows out from the first output port of First Heat Exchanger 113, and is flowed by circulation of fluid outlet 112 Enter into controlled object 140.
The cooling fluid circuit 120 includes compressor 121, the second heat exchanger 122 and the first electric expansion valve 123, cold But fluid carries out heat exchange with factory service fluid at second heat exchanger 122, and second heat exchanger 122 includes the 3rd input Port, the 3rd output port connected with the 3rd input port, the 4th input port and connected with the 4th input port the 4th Output port, the output port of first electric expansion valve 123 is connected with the second input port of the First Heat Exchanger 113 Logical, the input port of first electric expansion valve 123 is connected with the 4th output port of second heat exchanger 122, institute The output port for stating compressor 121 is connected with the 4th input port of second heat exchanger 122, the compressor 121 Input port is connected with the second output port of the First Heat Exchanger 113.
The cooling fluid flows into the 4th input port of the second heat exchanger 122 via the output end of compressor 121, stream Body flows out from the 4th output port of the second heat exchanger 121, and flows into First Heat Exchanger 113 by the first electric expansion valve Second input port, fluid is flowed out from the second output port of First Heat Exchanger 113, and pressure is returned to by the input of compressor 121 In contracting machine 121.
The factory service fluid passage 130 includes the 3rd heat exchanger 133, the second electric expansion valve 134, factory service fluid intake 131 and factory service fluid issuing 132, factory service fluid carries out heat exchange, factory service stream with cooling fluid at second heat exchanger 121 The fluid that body and controlled object flow out carries out heat exchange at the 3rd heat exchanger 133, and the 3rd heat exchanger 133 includes the Five input ports, the 5th output port connected with the 5th input port, the 6th input port and connected with the 6th input port The 6th output port, the input port of the 3rd heat exchanger 133 the 5th passes through the second electric expansion valve 134 and the factory service stream Body entrance 131 is connected, and the output port of the 3rd heat exchanger 133 the 5th is connected with the factory service fluid issuing 132, described Fluid in controlled object 140 flows into the 6th input port of the 3rd heat exchanger 133, and the of the 3rd heat exchanger 133 Six output ports are connected with circulation of fluid entrance 111.
The circulation of fluid path 110 also includes the first temperature sensor 114 for being used to detect the circulation of fluid temperature, The factory service fluid passage 130 also includes the second temperature sensor 135 for being used to detect the factory service fluid temperature (F.T.), based on described The fluid temperature (F.T.) that first temperature sensor 114 and second temperature sensor 135 are detected controls the He of the first electric expansion valve 123 The switch ratio of second electric expansion valve 134.
It is preferred that scheme be that the switch ratio of the electric expansion valve 134 of the first electric expansion valve 123 and second is controllable 's.Such as 100% is opened into 0% unlatching, every 5% 1 adjustment grade, then then have 0%, 5%, 10% ... 95%, 100% So many switch proportion grades, so for overall system control flow bore, can be flowed with point-device adjustment Amount, so as to be accurately controlled the power of heat exchange, and then is accurately controlled the temperature of circulation of fluid.
As can be seen that the factory service fluid passage 130 has two paths, one is flowed by the factory service fluid intake 131 Enter, flowed into by the 3rd input port of second heat exchanger 122, the 3rd output port through second heat exchanger 122 Factory service fluid issuing 132 is flowed out to, factory service fluid carries out heat exchange with cooling fluid at the second heat exchanger 122;One be through Flowed into, flowed into by the 5th input port of the 3rd heat exchanger 133 by the factory service fluid intake 131, and from described the 5th output port of three heat exchangers 133 flows out to factory service fluid issuing 132, and factory service fluid is with flowing out from controlled object 140 Fluid carries out heat exchange.
The fluid that controlled object 140 flows out flows into the 3rd heat exchanger by the 6th input port of the 3rd heat exchanger 133 133, fluid flows out from the 6th output port of the 3rd heat exchanger 133, and flows into circulation by the circulation of fluid entrance 111 In fluid passage 110.
It is preferred that scheme be, the circulation of fluid path 110 also include be used for increase the circulation of fluid circulation power Circulating pump 115, the input port of the circulating pump 115 is connected with the first output port of the First Heat Exchanger 113, described to follow The output port of ring pump 115 and the outlet of circulation of fluid 110.
It is preferred that scheme be also to include being arranged on drying in cooling fluid circuit 120 in the cooling fluid circuit 120 Device 124 and form 125, the 4th output port of second heat exchanger 122 sequentially pass through drier 124 and form 125 and The input port connection of one electric expansion valve 123.
It is preferred that scheme be that the factory service fluid passage 130 also includes the flow being arranged in factory service fluid passage 130 Meter 136, the meter of flow 136, which is arranged on the 3rd heat exchanger, includes the 5th output port, can assist to adjust factory service manually The flow of water reaches the refrigerating capacity required for controlled object.
It is preferred that scheme be, the circulation of fluid be liquid or gas, the cooling fluid be freon refrigerant, it is described Factory service fluid is cooling water.
Concrete operating principle of the present utility model is:The cooling fluid flows out from compressor 121, through the second heat exchanger 122, after the cooling fluid carries out heat exchange at the second heat exchanger 122 with factory service fluid, through the He of the first electric expansion valve 123 First Heat Exchanger 113, the cooling fluid returns to compressor after carrying out heat exchange with circulation of fluid at First Heat Exchanger 113 121;When the controlled temperature of controlled object 140 is higher than the temperature of factory service fluid, compressor 121 stops refrigeration work, and this moment the Three heat exchangers 133 are started working, and the fluid that factory service fluid flows out at the 3rd heat exchanger 133 with controlled object 140 carries out hot friendship Change, the fluid that controlled object 140 flows out simultaneously is flowed into circulation of fluid path 110 by the circulation of fluid entrance 111, is controlled The fluid that object 140 flows out is back in controlled object 140 by circulation of fluid path 110.
The utility model is substituted using factory service water and pressed when the controlled temperature of controlled object 140 is higher than the temperature of factory service water Contracting machine 121 freezes, and solves the precision temperature control of controlled object, and colleague also reduces overall energy consumption.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, although ginseng The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all Within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. should be included in this practicality Within new protection domain.

Claims (7)

1. a kind of energy-saving heat-exchange system used for refrigerator, it is characterised in that including circulation of fluid path, cooling fluid circuit, Factory service fluid passage and controlled object, the circulation of fluid path include First Heat Exchanger, circulation of fluid entrance and circulation of fluid Outlet, circulation of fluid carries out heat exchange with cooling fluid at the First Heat Exchanger, and it is defeated that the First Heat Exchanger includes first Inbound port, the first output port connected with first input port, the second input port and connected with the second input port Two output ports, the circulation of fluid outlet is connected with being controlled object;
The cooling fluid circuit includes compressor, the second heat exchanger and the first electric expansion valve, cooling fluid and factory service fluid Heat exchange is carried out at second heat exchanger, second heat exchanger includes the 3rd input port, connected with the 3rd input port Logical the 3rd output port, the 4th input port and the 4th output port connected with the 4th input port, first electronics The output port of expansion valve is connected with the second input port of the First Heat Exchanger, the input of first electric expansion valve Port is connected with the 4th output port of second heat exchanger, the output port of the compressor and second heat exchanger The 4th input port be connected, the input port of the compressor is connected with the second output port of the First Heat Exchanger It is logical;
The factory service fluid passage includes the 3rd heat exchanger, the second electric expansion valve, factory service fluid intake and factory service fluid issuing, Factory service fluid carries out heat exchange with cooling fluid at second heat exchanger, and the fluid that factory service fluid flows out with controlled object exists Heat exchange is carried out at 3rd heat exchanger, the 3rd heat exchanger includes the 5th input port, connected with the 5th input port The 5th output port, the 6th input port and the 6th output port connected with the 6th input port, the 3rd heat exchanger 5th input port is connected by the second electric expansion valve with the factory service fluid intake, the 3rd heat exchanger the 5th output Port is connected with the factory service fluid issuing, and the fluid in the controlled object flows into the 6th input of the 3rd heat exchanger Port, the 6th output port of the 3rd heat exchanger is connected with circulation of fluid entrance;
The circulation of fluid path also includes the first temperature sensor for being used to detect the circulation of fluid temperature, the factory service stream Body path also includes being used to detect the second temperature sensor of the factory service fluid temperature (F.T.), based on first temperature sensor and The fluid temperature (F.T.) that second temperature sensor is detected controls the switch ratio of the first electric expansion valve and the second electric expansion valve.
2. one kind energy-saving heat-exchange system used for refrigerator according to claim 1, it is characterised in that first electronics The switch ratio of expansion valve and the second electric expansion valve is controllable.
3. one kind energy-saving heat-exchange system used for refrigerator according to claim 1, it is characterised in that the factory service fluid Path has two paths, and one is flowed into by the factory service fluid intake, by the 3rd input port of second heat exchanger Flow into, the 3rd output port through second heat exchanger flows out to factory service fluid issuing;One is via the factory service fluid Entrance is flowed into, and is flowed into by the 5th input port of the 3rd heat exchanger, and from the 5th output end of the 3rd heat exchanger Mouth flows out to factory service fluid issuing.
4. one kind energy-saving heat-exchange system used for refrigerator according to claim 1, it is characterised in that the circulation of fluid Path also includes being used to increase the circulating pump of the circulation of fluid circulation power, the input port of the circulating pump and described first The first output port connection of heat exchanger, the output port of the circulating pump and the circulation of fluid outlet.
5. one kind energy-saving heat-exchange system used for refrigerator according to claim 1, it is characterised in that the cooling fluid Also include being arranged on drier and form in cooling fluid circuit in loop, the 4th output port of second heat exchanger according to Secondary process drier and form are connected with the input port of the first electric expansion valve.
6. one kind energy-saving heat-exchange system used for refrigerator according to claim 1, it is characterised in that the factory service fluid Path also includes the flowmeter being arranged in factory service fluid passage, and the flowmeter, which is arranged on the 3rd heat exchanger, includes the Five output ports.
7. one kind energy-saving heat-exchange system used for refrigerator according to claim 1, it is characterised in that the circulation of fluid For liquid or gas, the cooling fluid is freon refrigerant, and the factory service fluid is cooling water.
CN201621309844.5U 2016-12-01 2016-12-01 A kind of energy-saving heat-exchange system used for refrigerator Active CN206449920U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621309844.5U CN206449920U (en) 2016-12-01 2016-12-01 A kind of energy-saving heat-exchange system used for refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621309844.5U CN206449920U (en) 2016-12-01 2016-12-01 A kind of energy-saving heat-exchange system used for refrigerator

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403333A (en) * 2016-12-01 2017-02-15 无锡溥汇机械科技有限公司 Energy-saving heat exchange system for refrigerator
CN112965543A (en) * 2021-02-03 2021-06-15 合肥亦威科技有限公司 Temperature control system with ultrahigh temperature control precision

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403333A (en) * 2016-12-01 2017-02-15 无锡溥汇机械科技有限公司 Energy-saving heat exchange system for refrigerator
CN112965543A (en) * 2021-02-03 2021-06-15 合肥亦威科技有限公司 Temperature control system with ultrahigh temperature control precision

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