CN201233131Y - Compressing and injecting mixed cycle refrigerating device for refrigerator - Google Patents
Compressing and injecting mixed cycle refrigerating device for refrigerator Download PDFInfo
- Publication number
- CN201233131Y CN201233131Y CNU2008200535618U CN200820053561U CN201233131Y CN 201233131 Y CN201233131 Y CN 201233131Y CN U2008200535618 U CNU2008200535618 U CN U2008200535618U CN 200820053561 U CN200820053561 U CN 200820053561U CN 201233131 Y CN201233131 Y CN 201233131Y
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- China
- Prior art keywords
- injector
- capillary
- heat exchanger
- input
- refrigerator
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- Expired - Fee Related
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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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0011—Ejectors with the cooled primary flow at reduced or low pressure
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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model relates to a refrigerator compression spraying mixed cycle cooling device, comprising a compressor, a dry filter and a condenser. The output pass pipeline of the compressor is in turn connected with the condenser and the dry filter. The output of the dry filter is divided into two routes. One route passes through an input end of the return pipe heat exchanger of a first capillary tube to the corresponding output end, and then is in turn connected with refrigerating chamber evaporator, an input end of the return pipe heat exchanger of a second capillary tube and the corresponding output end and the working fluid input end of an injector. The other route passes through an input end of the return pipe heat exchanger of the second capillary tube to the corresponding output end, and then is in turn connected with refrigerating chamber evaporator, an input end of the return pipe heat exchanger of the first capillary tube and the corresponding output end and the ejecting fluid input end of an injector. The mixed fluid output end of the injector is connected with the input end of the compressor. The utility model has the advantages of simple and reasonable structure, easy fabrication, reliable performance and so on, which is suitable for being used in industrial production.
Description
Technical field
The utility model relates to the refrigerator compressing refrigeration cycle apparatus, is meant a kind of refrigerator compression injection mixing circulation refrigerating plant especially.
Background technology
Along with the development of society, household electrical appliance are more and more universal, and the power saving of household electric refrigerator more and more receives publicity.In the at present common two-storage temperature refrigerator, two evaporimeters of refrigerating chamber and refrigerating chamber all use an evaporating temperature, this has just caused very big irreversible loss, adopt compression/injection hybrid refrigeration cycle just can realize two evaporating temperatures, and then improve the refrigerating efficiency of Small Refrigerating Equipment such as refrigerator, in addition, conventional refrigerator injector, in order to realize itself and being connected and refrigeration of refrigerator inside pipeline, all be directly installed on refrigerator foaming layer the inside, this just makes the installation and maintenance of refrigerator injector seem not very convenient, simultaneously, because the cold-producing medium from refrigerating chamber and refrigerating chamber two Room evaporimeters has not the refrigerant liquid of evaporation fully unavoidably, also can make injector interior flow and become complicated unusually, thereby directly have influence on the off design performance of injector.So, to develop new refrigerator and spray the compressed mixed cycle refrigeration system, the effect that further improves refrigerator energy-saving just seems necessary.
The utility model content
The purpose of this utility model is to overcome the current refrigerator spraying technique, be not easy to Installation and Debugging and be easy to cause deficiency such as injector interior flowing instability, and provide a kind of structure more advantages of simple, processing and manufacturing easily, dependable performance, can effectively reduce the two-storage temperature refrigerator double evaporators heat transfer temperature difference, reduce the irreversible heat transfer loss of evaporimeter, effectively improve compressor return air pressure, reduce compressor compression ratio, improve the refrigerator compression injection mixing circulation refrigerating plant of refrigerator refrigeration system refrigeration performance.
The utility model---refrigerator compression injection mixing circulation refrigerating plant, comprise compressor, condenser, device for drying and filtering, capillary, refrigerator evaporator, freezer evaporator, injector and muffler, the output of described compressor connects condenser successively by pipeline, device for drying and filtering, the output of described device for drying and filtering divides two-way, first capillary-input of muffler heat exchanger to its corresponding output end of leading up to connects refrigerator evaporator more successively, input of second capillary-muffler heat exchanger and corresponding output end thereof, the working fluid input of injector, another road connects freezer evaporator more successively by second capillary-another input of muffler heat exchanger to its corresponding output end, first capillary-another input of muffler heat exchanger and corresponding output end thereof, the driving fluid input of injector, the input of the fluid-mixing output termination compressor of injector.
In the utility model, the output of described device for drying and filtering divides two-way, an input to its corresponding output end of first capillary-muffler heat exchanger of leading up to connects refrigerator evaporator more successively, first capillary-another input of muffler heat exchanger and corresponding output end thereof, the working fluid input of injector, another road connects freezer evaporator more successively by an input to its corresponding output end of second capillary-muffler heat exchanger, second capillary-another input of muffler heat exchanger and corresponding output end thereof, the driving fluid input of injector, the input of the fluid-mixing output termination compressor of injector.
Further improvement of the utility model is: described capillary-muffler heat exchanger is wrapped on the muffler by capillary and constitutes.
In the utility model, described injector comprises high-pressure work nozzle, absorption chamber, induction tunnel and four parts of anemostat, described absorption chamber is a three-way pipe, through hole one end at the three-way pipe axis direction is connected with the high-pressure work nozzle, the other end is connected with anemostat, is connected with induction tunnel on the third through-hole of three-way pipe; The high-pressure work nozzle is made up of nozzle body and nozzle trunnion two parts, and described nozzle body and nozzle trunnion all are provided with conical through-hole vertically, and both bore the point connection of joining; The conical through-hole tapering of nozzle body is 30 °～45 ° in the described main jet, and the conical through-hole tapering of nozzle trunnion is 15 °～20 °; Described anemostat is made up of mixer, aux. venturi and diffuser three parts, and described aux. venturi is a cylindrical hole, the awl point in cone hole in the termination mixer, the awl point in cone hole in another termination diffuser; The tapering in the interior cone hole of mixer is 10 °～15 ° in the described anemostat, and the tapering in cone hole is 14 °～18 ° in the diffuser.
In the utility model, described injector is installed in the refrigerator bottom and lays in the chamber of compressor.
Operation principle of the present utility model is sketched in following: the liquid cold-producing medium of the HTHP that comes out from condenser is shunted and throttling by two capillaries through behind the device for drying and filtering, one the tunnel enters refrigerator evaporator behind capillary-compensated, and the refrigerator evaporator outlet connects muffler, this muffler carries out oxygen welding with capillary and is connected, constitute capillary-muffler heat exchanger, directly enter the high-pressure work nozzle of injector as working fluid, when working fluid is flowed through the high-pressure work nozzle, acceleration and pressure decrease in the conical pipe of liquid refrigerant in the high-pressure work nozzle, the static energy of air-flow changes into the speed energy, working fluid forms high-speed jet and causes parital vacuum at nozzle exit, normally supersonic from the fluid velocity of high pressure nozzle ejection, pressure drops to the pressure that is lower than driving fluid; Another road enters freezer evaporator behind capillary-compensated; and the freezer evaporator outlet connects muffler; this muffler carries out oxygen welding with capillary and is connected; constitute capillary-muffler heat exchanger; enter the injection end of injector as driving fluid; because the fluid pressure of high pressure nozzle ejection is lower than the pressure of driving fluid; flow type pump with injection is known from experience the refrigerant mixed of automatically " being entrainmented " to advance absorption chamber and enter through high pressure nozzle; absorption chamber is a cavity; for causing parital vacuum, working fluid come driving fluid that an internal environment is provided; thereby realize the momentum between working fluid and two kinds of fluids of driving fluid; energy exchange; then; two strands of cold-producing mediums enter to slow down in the anemostat of injector and boost; anemostat is by mixer; aux. venturi and diffuser are partly formed; driving fluid quickens under the effect of working fluid after entering the absorption chamber of injector; after working fluid and driving fluid enter mixer; carry out the speed equilibrium; usually also being accompanied by pressure raises; in aux. venturi, form one single even and pressure fluid-mixing placed in the middle then gradually; subsequently; this fluid enters diffuser; speed is constantly slowed down; kinetic energy constantly is converted into static energy; fluid-mixing slows down to compress and reaches certain back pressure; make its speed can change the pressure energy into; thereby make the refrigerant pressure that comes out through the injector diffusion raise, enter compressor with higher back pressure.The utility model makes full use of the thermodynamics operation principle of jet pipe, reduces the irreversible heat transfer loss of evaporimeter, improves compressor return air pressure, under the condition of same pressure at expulsion, reduces the compression ratio of compressor, can effectively improve the refrigeration system refrigeration performance; Especially at the single cycle double-door refrigerator, because of the refrigerator evaporator heat transfer temperature difference bigger, cause the more present situation of available energy loss, can regulate the temperature of cold storage chamber of refrigerator and refrigerating chamber effectively, make full use of the cross-exchange effect of capillary-muffler heat exchanger, two fluid streams that can realize entering injector are overheated single-phase steam, improve the ejection efficiency of injector, improve the refrigerator refrigeration performance, reduce refrigerator complete machine power consumption.
Description of drawings
Fig. 1 is the utility model embodiment one operation principle schematic diagram.
Fig. 2 is the utility model embodiment two operation principle schematic diagrames.
Fig. 3 is an emitter construction schematic diagram in the utility model.
Fig. 4 is the installation site schematic diagram of injector in the utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is done further narration.
Referring to Fig. 1, the utility model---refrigerator compression injection mixing circulation refrigeration system, comprise compressor 1, condenser 2, device for drying and filtering 3, capillary 4, capillary 5, muffler 6, muffler 7, refrigerator evaporator 8, freezer evaporator 9 and injector 10, the output of described compressor 1 connects condenser 2 successively by pipeline, device for drying and filtering 3, the output of described device for drying and filtering 3 divides two-way, first capillary-input of muffler heat exchanger to its corresponding output end of leading up to connects refrigerator evaporator 8 more successively, input of second capillary-muffler heat exchanger and corresponding output end thereof, the working fluid input of injector 10, another road connects freezer evaporator 9 more successively by second capillary-another input of muffler heat exchanger to its corresponding output end, first capillary-another input of muffler heat exchanger and corresponding output end thereof, the driving fluid input of injector 10, the input of the fluid-mixing output termination compressor 1 of injector 10.
Referring to Fig. 2, further improvement of the utility model is: an input to its corresponding output end by first capillary-muffler heat exchanger connects refrigerator evaporator 8 more successively, first capillary-another input of muffler heat exchanger and corresponding output end thereof, the working fluid input of injector 10, another road connects freezer evaporator 9 more successively by an input to its corresponding output end of second capillary-muffler heat exchanger, second capillary-another input of muffler heat exchanger and corresponding output end thereof, the driving fluid input of injector 10, the input of the fluid-mixing output termination compressor 1 of injector 10.
Referring to Fig. 3, in the utility model, described injector 10 comprises high-pressure work nozzle 11, absorption chamber 12, induction tunnel 13 and 14 4 parts of anemostat, described absorption chamber 12 is a three-way pipe, through hole one end at the three-way pipe axis direction is connected with high pressure nozzle 11, the other end is connected with anemostat 14, is connected with induction tunnel 13 on the third through-hole of three-way pipe; Described high pressure nozzle 11 is the input of injector 10, is made up of nozzle body 15 and nozzle trunnion 16 two parts, and described nozzle body 15 and nozzle trunnion 16 all are provided with conical through-hole vertically, and both bore the point connection of joining; The conical through-hole tapering of nozzle body 15 is 30 °～45 ° in the described high pressure nozzle 11, and the conical through-hole tapering of nozzle trunnion 16 is 15 °～20 °; Described anemostat 14 is the output of playpipe, is made up of mixer 17, aux. venturi 18 and diffuser 19 3 parts, and described aux. venturi 18 is a cylindrical hole, the awl point in cone hole in the termination mixer 17, the awl point in cone hole in another termination diffuser 19; The tapering in mixer 17 interior cone holes is 10 °～15 ° in the described anemostat 14, and the tapering in cone holes is 14 °～18 ° in the diffuser 19.
Referring to Fig. 1,2, in the utility model, described capillary-muffler heat exchanger is wrapped on the muffler by capillary and carries out oxygen welding or soldering connects and composes.
Referring to Fig. 4, this figure is the body structure schematic diagram of two-storage temperature refrigerator, and 20 is that compressor chamber is installed in the refrigerator bottom among the figure, and 21 are injector (being the parts 10 among Fig. 1,2), and 22 are compressor (being the parts 1 among Fig. 1,2).
Range of application of the present utility model is not limited only in the refrigerator cooling cycle system, for domestic air conditioning and other similar cooling cycle systems, also can design the compression injection mixing circulation refrigerating plant that is complementary with original refrigeration system with same energy-saving effect.
Claims (5)
1, refrigerator compression injection mixing circulation refrigerating plant, comprise compressor, condenser, device for drying and filtering, capillary, refrigerator evaporator, freezer evaporator, injector and muffler, it is characterized in that: the output of described compressor connects condenser successively by pipeline, device for drying and filtering, the output of described device for drying and filtering divides two-way, input of first capillary, one muffler heat exchanger to its corresponding output end of leading up to connects refrigerator evaporator more successively, input of second capillary, one muffler heat exchanger and corresponding output end thereof, the working fluid input of injector, another road connects freezer evaporator more successively by second capillary, one another input of muffler heat exchanger to its corresponding output end, first capillary, one another input of muffler heat exchanger and corresponding output end thereof, the driving fluid input of injector, the input of the fluid-mixing output termination compressor of injector.
2, refrigerator compression injection mixing circulation refrigerating plant according to claim 1, it is characterized in that: the output of described device for drying and filtering divides two-way, an input to its corresponding output end of first capillary, one muffler heat exchanger of leading up to connects refrigerator evaporator more successively, first capillary, one another input of muffler heat exchanger and corresponding output end thereof, the working fluid input of injector, another road connects freezer evaporator more successively by an input to its corresponding output end of second capillary, one muffler heat exchanger, second capillary, one another input of muffler heat exchanger and corresponding output end thereof, the driving fluid input of injector, the input of the fluid-mixing output termination compressor of injector.
3, refrigerator compression injection mixing circulation refrigerating plant according to claim 1 and 2, it is characterized in that: described capillary-muffler heat exchanger is wrapped on the muffler by capillary and constitutes.
4, refrigerator compression injection mixing circulation refrigerating plant according to claim 3, it is characterized in that: described injector comprises high-pressure work nozzle, absorption chamber, induction tunnel and four parts of anemostat, described absorption chamber is a three-way pipe, through hole one end at the three-way pipe axis direction is connected with the high-pressure work nozzle, the other end is connected with anemostat, is connected with induction tunnel on the third through-hole of three-way pipe; The high-pressure work nozzle is made up of nozzle body and nozzle trunnion two parts, and described nozzle body and nozzle trunnion all are provided with conical through-hole vertically, and both bore the point connection of joining; The conical through-hole tapering of nozzle body is 30 °～45 ° in the described main jet, and the conical through-hole tapering of nozzle trunnion is 15 °～20 °; Described anemostat is made up of mixer, aux. venturi and diffuser three parts, and described aux. venturi is a cylindrical hole, the awl point in cone hole in the termination mixer, the awl point in cone hole in another termination diffuser; The tapering in the interior cone hole of mixer is 10 °～15 ° in the described anemostat, and the tapering in cone hole is 14 °～18 ° in the diffuser.
5, refrigerator compression injection mixing circulation refrigerating plant according to claim 4 is characterized in that: described injector is installed in the refrigerator bottom and lays in the chamber of compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200535618U CN201233131Y (en) | 2008-06-30 | 2008-06-30 | Compressing and injecting mixed cycle refrigerating device for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200535618U CN201233131Y (en) | 2008-06-30 | 2008-06-30 | Compressing and injecting mixed cycle refrigerating device for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201233131Y true CN201233131Y (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200535618U Expired - Fee Related CN201233131Y (en) | 2008-06-30 | 2008-06-30 | Compressing and injecting mixed cycle refrigerating device for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201233131Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963422A (en) * | 2010-10-08 | 2011-02-02 | 合肥美的荣事达电冰箱有限公司 | Refrigerating device |
| CN106440623A (en) * | 2016-10-13 | 2017-02-22 | 合肥太通制冷科技有限公司 | Air return tube assembly of refrigerating-freezing box |
| CN106766319A (en) * | 2017-03-22 | 2017-05-31 | 中国石油大学(华东) | Supersonic speed cooling cycle system |
-
2008
- 2008-06-30 CN CNU2008200535618U patent/CN201233131Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963422A (en) * | 2010-10-08 | 2011-02-02 | 合肥美的荣事达电冰箱有限公司 | Refrigerating device |
| CN106440623A (en) * | 2016-10-13 | 2017-02-22 | 合肥太通制冷科技有限公司 | Air return tube assembly of refrigerating-freezing box |
| CN106766319A (en) * | 2017-03-22 | 2017-05-31 | 中国石油大学(华东) | Supersonic speed cooling cycle system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090506 Termination date: 20110630 |