CN110895060A - Compact miniature refrigerating unit - Google Patents
Compact miniature refrigerating unit Download PDFInfo
- Publication number
- CN110895060A CN110895060A CN201911336112.3A CN201911336112A CN110895060A CN 110895060 A CN110895060 A CN 110895060A CN 201911336112 A CN201911336112 A CN 201911336112A CN 110895060 A CN110895060 A CN 110895060A
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- Prior art keywords
- primary
- compressor
- pipeline
- intercooler
- communicated
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- 238000005057 refrigeration Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 210000002381 plasma Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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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
-
- 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
- F25B43/003—Filters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a compact type micro refrigerating unit, relating to the technical field of plasma refrigerating equipment, comprising: the system comprises a primary compressor, a primary condenser, an intercooler and a secondary compressor, wherein the primary compressor is communicated with the primary condenser, the primary condenser is communicated with the intercooler through a primary pipeline, a primary throttling device is arranged on the primary pipeline, and the intercooler is communicated with the primary compressor through a primary circulating pipeline; the secondary compressor is communicated with the intercooler, the intercooler is communicated with the evaporator through a secondary pipeline, a secondary throttling device is arranged on the secondary pipeline, and the evaporator is communicated with the secondary compressor through a secondary circulating pipeline. The invention overcomes the defects that the existing plasma refrigerating equipment has small refrigerating temperature difference range and can not realize the miniaturization of the equipment, can realize the miniaturization and compact type refrigeration and can improve the refrigerating temperature difference range.
Description
Technical Field
The invention relates to the technical field of plasma refrigeration equipment, in particular to a compact micro refrigeration unit.
Background
The box-set cold chain technology and equipment are applied to emergency medical rescue (disasters and counter terrorism), miniaturization and compactness are the trends of technical development, and box-set refrigeration is a technical short plate for field storage of blood plasma. And the existing box group type cold chain technology can not realize the refrigeration temperature difference range of 50 ℃ to-20 ℃ which is close to 70 ℃.
Disclosure of Invention
The invention aims to provide a compact type micro refrigerating unit, which solves the problems in the prior art, can realize miniaturization and compact type refrigeration and can improve the refrigeration temperature difference range.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a compact type micro refrigerating unit which comprises a primary compressor, a primary condenser, an intercooler and a secondary compressor, wherein the primary compressor is communicated with the primary condenser, the primary condenser is communicated with the intercooler through a primary pipeline, a primary throttling device is arranged on the primary pipeline, and the intercooler is communicated with the primary compressor through a primary circulating pipeline; the secondary compressor is communicated with the intercooler, the intercooler is communicated with the evaporator through a secondary pipeline, a secondary throttling device is arranged on the secondary pipeline, and the evaporator is communicated with the secondary compressor through a secondary circulating pipeline.
Preferably, the first-stage condenser includes microchannel radiator, vortex fan and water conservancy diversion fan housing, the microchannel radiator is fixed to be set up, just microchannel radiator entry with the first-stage compressor intercommunication, microchannel radiator export with the one-stage pipeline intercommunication, vortex fan fixed connection in microchannel radiator one side, the water conservancy diversion fan housing with vortex fan air intake fixed connection.
Preferably, the compact micro-refrigeration unit further comprises a dry filter disposed on the primary pipeline.
Preferably, the compact micro-refrigeration unit further comprises a parallel pipeline, and the parallel pipeline is connected with the primary pipeline in parallel and used for communicating the primary condenser and the intercooler.
Preferably, the parallel pipeline is provided with an electromagnetic valve.
Preferably, the evaporator is a plate evaporator.
Preferably, the primary compressor is a T3 working condition compressor.
Preferably, the primary compressor is a medium back pressure micro rotary compressor.
Preferably, the secondary compressor is a high back pressure micro rotary compressor.
Compared with the prior art, the invention has the following technical effects:
the invention provides a compact type micro refrigerating unit which comprises a primary compressor, a primary condenser, an intercooler and a secondary compressor, wherein the secondary compressor is communicated with the intercooler, the intercooler is communicated with an evaporator through a secondary pipeline, the intercooler is used as an evaporation heat absorber of the primary compressor and a condensation heat radiator of the secondary compressor to form a cascade refrigerating mode, and due to the good refrigerating effect of the intercooler, all devices in the refrigerating unit can be relatively miniaturized, so that cascade refrigeration is adopted under the condition of the same refrigerating requirement, the miniaturization and compact type refrigeration can be realized, and the refrigerating temperature difference range can be enlarged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an isometric view of a compact micro-refrigerator unit provided in accordance with the present invention;
FIG. 2 is a schematic view of a first-stage condenser of the compact micro-refrigerator set according to the present invention;
fig. 3 is a schematic view of the working principle of the compact micro-refrigerator set provided by the invention.
Wherein: 1-a first-stage compressor, 2-a second-stage compressor, 3-a first-stage condenser, 4-intercooler, 5-solenoid valve, 6-a first-stage throttling device, 7-drying filter, 8-evaporator, 9-a second-stage circulating pipeline, 10-microchannel radiator, 11-vortex fan and 12-diversion fan cover
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a compact type micro refrigerating unit, which solves the problems in the prior art, can realize miniaturization and compact type refrigeration and can improve the refrigeration temperature difference range.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in FIGS. 1 to 3: the embodiment provides a compact type micro refrigerating unit, which comprises a primary compressor 1, a primary condenser 3, an intercooler 4 and a secondary compressor 2, wherein the primary compressor 1 is communicated with the primary condenser 3 and is used for conveying a high-pressure gaseous working medium obtained by compressing the primary compressor 1 to the primary condenser 3, the primary condenser 3 is used for condensing the high-pressure gaseous working medium, the primary condenser 3 is communicated with the intercooler 4 through a primary pipeline, a primary throttling device 6 is arranged on the primary pipeline, the high-pressure gaseous working medium is changed into a low-pressure liquid working medium after passing through the primary throttling device 6, the low-pressure liquid working medium is evaporated and absorbed in the intercooler 4 and changed into a gaseous working medium, the intercooler 4 is communicated with the primary compressor 1 through a primary circulating pipeline, the compressor compresses the gaseous working medium from the intercooler 4 to obtain the high-pressure gaseous working; the secondary compressor 2 is communicated with the intercooler 4 and used for conveying the high-pressure gaseous working medium compressed by the secondary compressor 2 to the intercooler 4, the high-pressure gaseous working medium is condensed in the intercooler 4 to be changed into a high-pressure liquid working medium, the intercooler 4 is communicated with the evaporator 8 through a secondary pipeline, a secondary throttling device is arranged on the secondary pipeline, the high-pressure liquid working medium is changed into a low-pressure liquid working medium through the secondary throttling device, the low-pressure liquid working medium enters the evaporator 8 and is evaporated to be changed into a gaseous working medium, the evaporator 8 is communicated with the secondary compressor 2 through a secondary circulating pipeline 9 and used for circularly conveying the gaseous working medium to the secondary compressor 2 and is compressed again, and the circulation is carried out in such a way, wherein the intercooler 4 not only serves as an evaporation heat absorber of the primary compressor, but also serves as a condensation radiator of the secondary compressor to form a cascade refrigeration mode, and each, the refrigeration temperature difference range can be improved.
The primary condenser 3 comprises a micro-channel radiator 10, a vortex fan 11 and a diversion fan cover 12, the micro-channel radiator 10 is fixedly arranged, an inlet of the micro-channel radiator 10 is communicated with the primary compressor 1, an outlet of the micro-channel radiator 10 is communicated with a primary pipeline, the vortex fan 11 is fixedly connected to one side of the micro-channel radiator 10, and the diversion fan cover 12 is fixedly connected with an air inlet of the vortex fan 11.
The compact micro-refrigerator set further comprises a dry filter 7, and the dry filter 7 is arranged on the primary pipeline.
The compact type micro refrigerating unit also comprises a parallel pipeline, the parallel pipeline is connected with the primary pipeline in parallel and is used for communicating the primary condenser 3 and the intercooler 4 and balancing the pressure of the refrigerating system, and the compact type micro refrigerating unit can not be frequently started for the protective measure of the refrigerating system.
The parallel pipelines are provided with electromagnetic valves 5, and whether the parallel pipelines are communicated or not can be controlled by controlling whether the electromagnetic valves 5 are opened or not.
The evaporator 8 is a plate evaporator, has the advantages of large heat exchange area and uneasy frosting, and can realize the maximum refrigeration performance.
The primary compressor 1 is a T3 operating condition compressor.
The primary compressor 1 is a medium-back pressure micro rotary compressor, is used for realizing refrigeration of the intercooler at 450-20 ℃, and is beneficial to further realizing the compactness and miniaturization of the whole set of device.
The secondary compressor 2 is a high-back-pressure micro rotary compressor to realize the low-temperature refrigeration of the plate-type evaporator at 20 ℃ to-20 ℃, and is beneficial to further realizing the compactness and miniaturization of the whole set of device.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A compact miniature refrigeration unit characterized in that: the system comprises a primary compressor, a primary condenser, an intercooler and a secondary compressor, wherein the primary compressor is communicated with the primary condenser, the primary condenser is communicated with the intercooler through a primary pipeline, a primary throttling device is arranged on the primary pipeline, and the intercooler is communicated with the primary compressor through a primary circulating pipeline; the secondary compressor is communicated with the intercooler, the intercooler is communicated with the evaporator through a secondary pipeline, a secondary throttling device is arranged on the secondary pipeline, and the evaporator is communicated with the secondary compressor through a secondary circulating pipeline.
2. The compact micro-refrigeration unit of claim 1, wherein: the one-level condenser includes microchannel radiator, vortex fan and water conservancy diversion fan housing, the microchannel radiator is fixed to be set up, just microchannel radiator entry with the one-level compressor intercommunication, microchannel radiator export with one-level pipeline intercommunication, vortex fan fixed connection in microchannel radiator one side, the water conservancy diversion fan housing with vortex fan air intake fixed connection.
3. The compact micro-refrigeration unit of claim 1, wherein: the primary pipeline is provided with a drying filter, and the drying filter is arranged on the primary pipeline.
4. The compact micro-refrigeration unit of claim 1, wherein: still include parallelly connected pipeline, parallelly connected pipeline with the parallelly connected setting of one-level pipeline is used for the intercommunication one-level condenser with the intercooler.
5. The compact micro-refrigeration unit of claim 4, wherein: and the parallel pipeline is provided with an electromagnetic valve.
6. The compact micro-refrigeration unit of claim 1, wherein: the evaporator is a plate evaporator.
7. The compact micro-refrigeration unit of claim 1, wherein: the first-stage compressor is a T3 working condition compressor.
8. The compact micro-refrigeration unit of claim 7, wherein: the first-stage compressor is a middle-backpressure micro rotary compressor.
9. The compact micro-refrigeration unit of claim 1, wherein: the secondary compressor is a high back pressure micro rotary compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336112.3A CN110895060A (en) | 2019-12-23 | 2019-12-23 | Compact miniature refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336112.3A CN110895060A (en) | 2019-12-23 | 2019-12-23 | Compact miniature refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110895060A true CN110895060A (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911336112.3A Pending CN110895060A (en) | 2019-12-23 | 2019-12-23 | Compact miniature refrigerating unit |
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| CN (1) | CN110895060A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201569077U (en) * | 2009-07-28 | 2010-09-01 | 广东志高空调有限公司 | Heat pump air conditioner |
| DE102009029534A1 (en) * | 2009-09-17 | 2011-03-24 | Robert Bosch Gmbh | Supply module for dosing system for proportioning supply of liquid, particularly aqueous urea solution for treatment of exhaust gases of combustion engine, has feed pump, whose promotion direction is altered by a four or two way valve |
| CN202024529U (en) * | 2011-01-14 | 2011-11-02 | 深圳市航宇德升科技有限公司 | Portable double-compressor refrigeration system |
| CN106440092A (en) * | 2016-11-15 | 2017-02-22 | 佛山市蓝方科技有限公司 | Mobile desktop air conditioner |
| CN207585183U (en) * | 2017-11-30 | 2018-07-06 | 中原工学院 | A kind of Portable medicine refrigerating box based on compression-type refrigeration |
| CN208688021U (en) * | 2018-07-13 | 2019-04-02 | 广州枫辉科技有限公司 | A kind of agricultural machinery refrigerating circulatory device |
| CN211290619U (en) * | 2019-12-23 | 2020-08-18 | 军事科学院***工程研究院卫勤保障技术研究所 | Compact miniature refrigerating unit |
-
2019
- 2019-12-23 CN CN201911336112.3A patent/CN110895060A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201569077U (en) * | 2009-07-28 | 2010-09-01 | 广东志高空调有限公司 | Heat pump air conditioner |
| DE102009029534A1 (en) * | 2009-09-17 | 2011-03-24 | Robert Bosch Gmbh | Supply module for dosing system for proportioning supply of liquid, particularly aqueous urea solution for treatment of exhaust gases of combustion engine, has feed pump, whose promotion direction is altered by a four or two way valve |
| CN202024529U (en) * | 2011-01-14 | 2011-11-02 | 深圳市航宇德升科技有限公司 | Portable double-compressor refrigeration system |
| CN106440092A (en) * | 2016-11-15 | 2017-02-22 | 佛山市蓝方科技有限公司 | Mobile desktop air conditioner |
| CN207585183U (en) * | 2017-11-30 | 2018-07-06 | 中原工学院 | A kind of Portable medicine refrigerating box based on compression-type refrigeration |
| CN208688021U (en) * | 2018-07-13 | 2019-04-02 | 广州枫辉科技有限公司 | A kind of agricultural machinery refrigerating circulatory device |
| CN211290619U (en) * | 2019-12-23 | 2020-08-18 | 军事科学院***工程研究院卫勤保障技术研究所 | Compact miniature refrigerating unit |
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