CN201297793Y - Energy-saving return air pressurization device for refrigerator - Google Patents
Energy-saving return air pressurization device for refrigerator Download PDFInfo
- Publication number
- CN201297793Y CN201297793Y CNU2008200543671U CN200820054367U CN201297793Y CN 201297793 Y CN201297793 Y CN 201297793Y CN U2008200543671 U CNU2008200543671 U CN U2008200543671U CN 200820054367 U CN200820054367 U CN 200820054367U CN 201297793 Y CN201297793 Y CN 201297793Y
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- refrigerator
- muffler
- capillary
- conical pipe
- diffuser
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Abstract
The utility model relates to an energy-saving return air pressurization device for a refrigerator, which comprises a compressor, a condenser, a drying and filtering unit, a capillary tube-return air tube heat exchanger and a refrigerator return air tube pressurizer; wherein, the output of the compressor is orderly connected with the condenser and the drying and filtering unit through pipelines; from the input end of a capillary tube to the output end of the capillary tube in the capillary tube-return air tube heat exchanger, the drying and filtering unit is orderly connected with a refrigerator evaporator, the input end and the output end of a return air tube in the capillary tube-return air tube heat exchanger, and the input end of the refrigerator return air tube pressurizer; and the output end of the refrigerator return air tube pressurizer is connected with the input end of compressor. The utility model, which has the advantages of simple structure, easy manufacturing, low cost, no moving parts, long-term operation and the like, does not need to be maintained, does not directly consume mechanical energy and can realize the reasonable distribution of energy-carrying fluid.
Description
Technical field
The utility model relates to a kind of energy saver, and refering in particular to is a kind of refrigerator return-air boosting energy-saving device.
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.The output in present domestic refrigerator every year is approximately 1,000 ten thousand, and its average energy consumption is approximately the 0.75kWh/24h/ platform, so annual newly-increased energy consumption 7,500,000 degree.Therefore, the energy consumption that how further to reduce refrigerator just seems necessary, existing refrigerator is when work, the liquid hit phenomenon that compressor may exist when working conditions change, thereby to necessarily require compressor return air be superheat state, and the overheated of this cold-producing medium is harmful overheated for kind of refrigeration cycle, causes the actual utilisable energy loss of refrigerator more, and this is an important reasons that causes power consumption bigger.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art and provides a kind of simple in structure, utilize the back pressure that the heat content increment improves freezer compressor of crossing of cold-producing medium, reduce the compression ratio of compressor, improve the refrigerator return-air boosting energy-saving device of the coefficient of refrigerating performance of refrigerator refrigeration system.
The purpose of this utility model is achieved by following technical proposals:
A kind of refrigerator return-air boosting energy-saving device, comprise compressor, condenser, device for drying and filtering, capillary-muffler heat exchanger, refrigerator muffler supercharging device, the output of described compressor connects condenser successively by pipeline, device for drying and filtering, described device for drying and filtering connects evaporator of refrigerator more successively by the capillary input in capillary-muffler heat exchanger to its capillary output, muffler input in capillary-muffler heat exchanger and muffler output, refrigerator muffler supercharging device input, the input of the output termination compressor of described refrigerator muffler supercharging device.
As improvement of the present utility model, described device for drying and filtering connects muffler input and muffler output thereof in evaporator of refrigerator, refrigerator muffler supercharging device, the capillary-muffler heat exchanger more successively by the capillary input in capillary-muffler heat exchanger to its capillary output, the input of described muffler output termination compressor.
In the utility model, described capillary-muffler heat exchanger is wrapped on the muffler by capillary and constitutes.
In the utility model, described refrigerator muffler supercharging device comprises nozzle of air supply, outlet diffuser; Described nozzle of air supply comprises the tapered conical pipe, jet expansion that is connected with described tapered conical pipe awl point and the nozzle inlet that is connected with the described tapered conical pipe awl end; Described outlet diffuser comprises the flaring conical pipe, diffuser import that is connected with described flaring conical pipe awl point and the diffuser straight tube that is connected with the flaring conical pipe awl end; Described jet expansion joins with described diffuser import and is communicated with, and the tapering of described tapered conical pipe is 2 °～45 °, and the tapering of described flaring conical pipe is 2 °～17 °.
As improvement of the present utility model, be welded with the welding transition pipe between described tapered conical pipe and the flaring conical pipe.
As improvement of the present utility model, the end of described diffuser straight tube is provided with reducing transition straight tube.
As improvement of the present utility model, the end of described diffuser straight tube is provided with reducing transition straight tube.
In the utility model, described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
The utility model is owing to adopt said structure, made full use of the thermodynamics operation principle of jet pipe, adopt refrigerator return-air supercharging device, the refrigerant superheat steam that comes out from capillary-muffler heat exchanger enters the import of refrigerator muffler supercharging device, the lifting that realizes refrigerant velocities in nozzle of air supply is the acceleration of cold-producing medium, outlet diffuser subsequently, realize the lifting of pressure from the cold-producing medium of nozzle of air supply ejection, the potential energy that pressure improves is from two aspects: it is that kinetic energy transforms potential energy that first refrigerant velocities reduces, and impels pressure to improve; It two is risings of cold-producing medium temperature in outlet diffuser, and the enthalpy of this part superheated steam increases the rising that also can impel back pressure, realizes that the refrigerant vapour after the supercharging directly enters the suction muffler of compressor.
The utility model in sum---a kind of refrigerator return-air boosting energy-saving device has simple in structure, easy to manufacture, cost is low, there is not any moving component, can long-time running, Maintenance free, directly do not consume mechanical energy, can realize carrying the advantages such as reasonable distribution of energy fluid, can connect mutually with the refrigerator system pipeline at an easy rate, be applicable to refrigerator refrigeration system, can become refrigerator refrigeration system and realize energy-conservation most important parts, also can use at the refrigerator maintenance industry, improve the refrigeration performance after refrigerator keeps in repair, thereby realize reducing refrigerator complete machine power consumption, reach purpose of energy saving.
Description of drawings
Fig. 1 is the utility model operation principle schematic diagram.
Fig. 2 is first kind of structural representation of the utility model refrigerator return-air supercharging device.
Fig. 3 is second kind of structural representation of the utility model refrigerator return-air supercharging device.
Fig. 4 is the third structural representation of the utility model refrigerator return-air supercharging device.
Fig. 5 is the 4th a kind of structural representation of the utility model refrigerator return-air supercharging device.
Fig. 6 is another catenation principle schematic diagram of the present utility model.
In the accompanying drawing 1,2,3,4,5,6,1-compressor, 2-condenser, 3-device for drying and filtering, 4--capillary-muffler heat exchanger, 5-evaporator of refrigerator, 6-refrigerator return-air supercharging device, 7-nozzle inlet, 8-jet expansion, the import of 9--diffuser, 10--flaring conical pipe, 11-nozzle of air supply, 12-tapered conical pipe, 13--outlet diffuser, 14-middle welding transition pipe, 15-diffuser straight tube, 16-reducing transition straight tube.
The specific embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of refrigerator return-air boosting energy-saving device in detail
Referring to shown in Figure 1, a kind of refrigerator return-air boosting energy-saving device, comprise compressor 1, condenser 2, device for drying and filtering 3, capillary-muffler heat exchanger 4, evaporator of refrigerator 5, refrigerator muffler supercharging device 6, the output of described compressor 1 connects condenser 2 successively by pipeline, device for drying and filtering 3, described device for drying and filtering 3 connects evaporator of refrigerator 5 more successively by the capillary input in capillary-muffler heat exchanger 4 to its capillary output, muffler input in capillary-muffler heat exchanger 4 and muffler output, refrigerator muffler supercharging device 6 inputs, the input of the output termination compressor 1 of described refrigerator muffler supercharging device 6.
Referring to shown in Figure 6, comprise compressor 1, condenser 2, device for drying and filtering 3, capillary-muffler heat exchanger 4, evaporator of refrigerator 5, refrigerator muffler supercharging device 6, the output of described compressor 1 connects condenser 2 successively by pipeline, device for drying and filtering 3, described device for drying and filtering 3 connects evaporator of refrigerator 5 more successively by the capillary input in capillary-muffler heat exchanger 4 to its capillary output, refrigerator muffler supercharging device 6, muffler input in capillary-muffler heat exchanger 4 and muffler output thereof, the input of described muffler output termination compressor 1.
Described capillary-muffler heat exchanger 4 is wrapped on the muffler by capillary and constitutes.
Referring to shown in Figure 2, described refrigerator muffler supercharging device 6 comprises nozzle of air supply 11, outlet diffuser 13; Described nozzle of air supply 11 comprises tapered conical pipe 12, jet expansion 8 that is connected with described tapered conical pipe 12 awl points and the nozzle inlet 7 that is connected with the 12 awl ends of described tapered conical pipe; Described outlet diffuser 13 comprises flaring conical pipe 10, diffuser import 9 that is connected with described flaring conical pipe 10 awl points and the diffuser straight tube 15 that is connected with the 10 awl ends of flaring conical pipe; Described jet expansion 8 parts are joined with described diffuser import 9 parts and are communicated with, and the tapering of described tapered conical pipe 12 is 2 °～45 °, and the tapering of described flaring conical pipe 10 is 2 °～17 °.
Referring to shown in Figure 4,, be welded with welding transition pipe 14 between described tapered conical pipe 12 and the flaring conical pipe 10 as improvement of the present utility model.
Referring to shown in Figure 3, as improvement of the present utility model, the end of described diffuser straight tube 15 is provided with reducing transition straight tube 16.
Referring to shown in Figure 5, as improvement of the present utility model, be welded with welding transition pipe 14 between described tapered conical pipe 12 and the flaring conical pipe 10, the end of described diffuser straight tube 15 is provided with reducing transition straight tube 16.
In the utility model, described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
Embodiment one
To export 8 internal diameters be 2.5mm to the cylindrical spout of the nozzle of air supply 11 of refrigerator return-air supercharging device 6 as described in Figure 5, it is 4.0mm that cylindrical spout exports 8 external diameters, the length L 3 that nozzle of air supply 11 cylindrical spout export 8 parts is generally 1mm, the tapered conical pipe 12 partial-length L2 of nozzle of air supply 11 are 30mm, its convergent tapering is 8 °, the length L 1 of cylindrical spout import 7 parts of nozzle of air supply 11 is generally 50mm, the internal diameter of nozzle of air supply 11 cylindrical spout imports 7 parts is generally 6.5mm, and the material of nozzle of air supply 11 is a copper tube; The internal diameter of middle welding transition pipe 14 is 5mm, and external diameter is 6mm, and the length of middle welding transition pipe 14 is 6mm, and the material of middle welding transition pipe 14 is a copper tube; Cylindrical diffuser import 9 internal diameters of outlet diffuser 13 are 2.5mm, cylindrical diffuser import 9 external diameters are 4.0mm, the length L 4 of cylindrical diffuser import 9 is generally 1mm, the flaring conical pipe 10 partial-length L5 of cylindrical diffuser outlet 13 are 30mm, its flaring tapering is 8 °, the length L 6 of the diffuser straight tube 15 of cylindrical diffuser outlet 13 is generally 150mm, internal diameter is 6.5mm, external diameter is 7.5mm, the exit portion of diffuser straight tube 15 is a reducing transition straight tube 16, its reducing transition straight tube 16 external diameters are 6mm, its length L 8 is generally 25mm, air entry direct and on compressor 1 housing is connected, and the material of cylindrical diffuser outlet 13 is a copper tube; All pipe joints all adopt oxygen welding to connect.
Embodiment two
To export 8 internal diameters be 2.6mm to the cylindrical spout of the nozzle of air supply 11 of refrigerator return-air supercharging device 6 as described in Figure 5, it is 4.0mm that cylindrical spout exports 8 external diameters, the length L 3 that nozzle of air supply 11 cylindrical spout export 8 parts is 0mm, the tapered conical pipe 12 partial-length L2 of nozzle of air supply 11 are 8mm, its convergent tapering is 27 °, the length L 1 of nozzle of air supply 11 cylindrical spout imports 7 parts is generally 50mm, the internal diameter of nozzle of air supply 11 cylindrical spout imports 7 parts is generally 6.5mm, and the material of nozzle of air supply 11 is a copper tube; The internal diameter of middle welding transition pipe 14 is 5mm, and external diameter is 6mm, and the length of middle welding transition pipe 14 is 6mm, and the material of middle welding transition pipe 14 is a copper tube; Cylindrical diffuser import 9 internal diameters of outlet diffuser 13 are 2.6mm, cylindrical diffuser import 9 external diameters are 4.0mm, the length L 4 of cylindrical diffuser import 9 is 0mm, the flaring conical pipe 10 partial-length L5 of outlet diffuser 13 are 28mm, its flaring tapering is 8 °, the length L 6 of the diffuser straight tube 15 of outlet diffuser 13 is 250mm, internal diameter is 6.5mm, external diameter is 7.5mm, diffuser straight tube 15 exit portion of outlet diffuser 13 are reducing transition straight tube 16, and its straight tube external diameter is 6mm, and its length L 8 is generally 25mm, air entry direct and on compressor 1 housing is connected, and the material of outlet diffuser 13 is a copper tube; All pipe joints all adopt oxygen welding to connect.
Range of application of the present invention is not limited only in the refrigerator cooling cycle system, for domestic air conditioning and other similar cooling cycle systems, also can design the compressor return air boosting energy-saving device that is complementary with original refrigeration system with same energy-saving effect.
Claims (8)
1, a kind of refrigerator return-air boosting energy-saving device, comprise compressor (1), condenser (2), device for drying and filtering (3), capillary-muffler heat exchanger (4), evaporator of refrigerator (5), refrigerator muffler supercharging device (6), it is characterized in that: the output of described compressor (1) connects condenser (2) successively by pipeline, device for drying and filtering (3), described device for drying and filtering (3) connects evaporator of refrigerator (5) more successively by the capillary input in capillary-muffler heat exchanger (4) to its capillary output, muffler input and muffler output in capillary-muffler heat exchanger (4), refrigerator muffler supercharging device (6) input, the input of the output termination compressor (1) of described refrigerator muffler supercharging device (6).
2, refrigerator return-air boosting energy-saving device according to claim 1, it is characterized in that: described device for drying and filtering (3) connects muffler input and muffler output thereof in evaporator of refrigerator (5), refrigerator muffler supercharging device (6), the capillary-muffler heat exchanger (4) more successively by the capillary input in capillary-muffler heat exchanger (4) to its capillary output, the input of described muffler output termination compressor (1).
3, refrigerator return-air boosting energy-saving device according to claim 1 and 2, it is characterized in that: described capillary-muffler heat exchanger (4) is wrapped on the muffler by capillary and constitutes.
4, refrigerator return-air boosting energy-saving device according to claim 1 and 2, it is characterized in that: described refrigerator muffler supercharging device (6) comprises nozzle of air supply (11), outlet diffuser (13); Described nozzle of air supply (11) comprises tapered conical pipe (12), jet expansion (8) that is connected with described tapered conical pipe (12) awl point and the nozzle inlet (7) that is connected with described tapered conical pipe (12) the awl end; Described outlet diffuser (13) comprises flaring conical pipe (10), diffuser import (9) that is connected with described flaring conical pipe (10) awl point and the diffuser straight tube (15) that is connected with flaring conical pipe (10) the awl end; Described jet expansion (8) joins with described diffuser import (9) and is communicated with, and the tapering of described tapered conical pipe (12) is 2 °～45 °, and the tapering of described flaring conical pipe (10) is 2 °～17 °.
5, refrigerator return-air boosting energy-saving device according to claim 4 is characterized in that: be welded with welding transition pipe (14) between described tapered conical pipe (12) and the flaring conical pipe (10).
6, refrigerator return-air boosting energy-saving device according to claim 4, it is characterized in that: the end of described diffuser straight tube (15) is provided with reducing transition straight tube (16).
7, refrigerator return-air boosting energy-saving device according to claim 5, it is characterized in that: the end of described diffuser straight tube (15) is provided with reducing transition straight tube (16).
8, refrigerator return-air boosting energy-saving device according to claim 4 is characterized in that: described piping connection portion all adopts oxygen welding or soldering or the weldering of argon fluorine to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200543671U CN201297793Y (en) | 2008-09-04 | 2008-09-04 | Energy-saving return air pressurization device for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200543671U CN201297793Y (en) | 2008-09-04 | 2008-09-04 | Energy-saving return air pressurization device for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201297793Y true CN201297793Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200543671U Expired - Fee Related CN201297793Y (en) | 2008-09-04 | 2008-09-04 | Energy-saving return air pressurization device for refrigerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN201297793Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913536A (en) * | 2015-05-14 | 2015-09-16 | 江苏博莱客冷冻科技发展有限公司 | Multistage compression refrigerating machine |
-
2008
- 2008-09-04 CN CNU2008200543671U patent/CN201297793Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913536A (en) * | 2015-05-14 | 2015-09-16 | 江苏博莱客冷冻科技发展有限公司 | Multistage compression refrigerating machine |
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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: 20090826 Termination date: 20110904 |