CN112902481A - Integrated ultra-low temperature refrigerator refrigerating system - Google Patents
Integrated ultra-low temperature refrigerator refrigerating system Download PDFInfo
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- CN112902481A CN112902481A CN202110182128.4A CN202110182128A CN112902481A CN 112902481 A CN112902481 A CN 112902481A CN 202110182128 A CN202110182128 A CN 202110182128A CN 112902481 A CN112902481 A CN 112902481A
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- temperature
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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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides an integrated ultra-low temperature refrigerator refrigerating system, comprising: the refrigerator comprises a low-temperature-level refrigerating system I, a low-temperature-level refrigerating system II, an integrated high-temperature-level refrigerating system, a valve and other ultra-low-temperature refrigerators. The I/II low-temperature stage refrigerating system of the refrigerator comprises: the refrigerator I/II low-temperature stage evaporator comprises a refrigerator I/II evaporative condenser, a refrigerator I/II low-temperature stage throttling structure, a refrigerator I/II low-temperature stage evaporator and a refrigerator I/II low-temperature stage compressor which are connected through copper pipes. The integrated high-temperature-level refrigeration system is respectively connected with the I evaporative condenser of the refrigerator and the II evaporative condenser of the refrigerator through the valve. The system integrates the high-temperature refrigeration system with the largest heat dissipation capacity and moves the high-temperature refrigeration system to the outdoor, so that the high-power requirement of an air conditioner in a space where an ultra-low-temperature refrigerator is placed is avoided, and the risk that the refrigeration system of the refrigerator is damaged due to indoor temperature rise caused by damage of the air conditioner is reduced; one set of units of each refrigerator is transferred to the outside of the room, and indoor noise is reduced.
Description
Technical Field
The invention relates to the technical field of refrigeration systems, in particular to an integrated ultralow-temperature refrigerator refrigeration system.
Background
The existing two-stage cascade type ultra-low temperature refrigerator refrigerating system is divided into a high-temperature stage and a low-temperature stage two-stage refrigerating system, the two-stage refrigerating system is integrated in the refrigerator, the high-temperature stage can cause the indoor temperature to rise by discharging heat to the indoor space for storing the ultra-low temperature refrigerator, a high-power air conditioner is required to be equipped for cooling the indoor space, the working environment of the ultra-low temperature refrigerator is severe if the air conditioner goes wrong, and the possibility of damage is increased.
Disclosure of Invention
According to the technical problem provided by the invention, the high-temperature-level refrigerating system with the largest heat dissipation capacity can be integrated and moved outdoors, the high-power requirement of an air conditioner in a space where the ultra-low-temperature refrigerator is placed is avoided, and the risk of damage to the refrigerating system of the refrigerator due to indoor temperature rise caused by damage of the air conditioner is reduced.
And provides an integrated ultra-low temperature refrigerator refrigerating system. The invention mainly integrates a high-temperature refrigeration system mainly releasing heat into the outdoor, uses refrigeration systems such as parallel units and the like to uniformly provide cold for the low-temperature refrigeration system, discharges heat to the outdoor by the parallel units, reduces the cooling requirement of an indoor air conditioner, and can use one parallel unit as the high-temperature refrigeration system for a plurality of ultra-low temperature refrigerators.
The technical means adopted by the invention are as follows: integrated ultra-low temperature refrigerator refrigerating system, its characterized in that includes: the refrigerator comprises a low-temperature stage refrigeration system I, a low-temperature stage refrigeration system II, an integrated high-temperature stage refrigeration system, a valve and other ultra-low temperature refrigerators;
i low-temperature stage refrigerating system of refrigerator includes: the refrigerator I low-temperature stage throttling structure comprises an evaporator condenser of the refrigerator I, a low-temperature stage throttling structure of the refrigerator I, a low-temperature stage evaporator of the refrigerator I and a low-temperature stage compressor of the refrigerator I, which are connected through copper pipes;
the II low-temperature-level refrigerating system of the refrigerator comprises: the refrigerator II evaporative condenser, the refrigerator II low-temperature stage throttling structure, the refrigerator II low-temperature stage evaporator and the refrigerator II low-temperature stage compressor are connected through copper pipes;
the integrated high-temperature-level refrigeration system is respectively connected with the evaporative condenser of the refrigerator I and the evaporative condenser of the refrigerator II through the valve;
the other ultra-low temperature refrigerators are connected with the integrated high-temperature-level refrigerating system through valves, and the other ultra-low temperature refrigerators are one or more groups of low-temperature-level refrigerating systems connected in parallel.
When the low-temperature stage refrigeration system is stopped, the compressor of the low-temperature stage refrigeration system is controlled to stop through the controller, and meanwhile, the associated high-temperature stage valve is closed; the integrated high-temperature-level refrigerating system is arranged outdoors.
Furthermore, during refrigeration, the controller controls the valve to be opened, and the integrated high-temperature-level refrigeration system transmits the generated cold quantity to the I/II evaporative condenser of the refrigerator or other ultralow-temperature refrigerators to cool the corresponding low-temperature-level refrigeration system; after the temperature of the refrigerant in the low-temperature stage refrigerating system is reduced, throttling is carried out through an I/II low-temperature stage throttling structure of the refrigerator; cooling the refrigerating space by an I/II low-temperature stage evaporator of the refrigerator through the principle of evaporation after throttling, returning the refrigerant to an I/II low-temperature stage compressor of the refrigerator for recompression after the refrigerant is evaporated, and continuing circulation;
and the refrigerant in the high-temperature-level refrigerating system is heated in an I/II evaporative condenser of the refrigerator and then returns to the integrated high-temperature-level refrigerating system for circulation.
Further, when the system is shut down, the controller controls the valve to be closed, and the low-temperature stage refrigeration system stops working; the controller analyzes the load condition of the integrated high-temperature-level refrigerating system and judges whether the integrated high-temperature-level refrigerating system needs to operate or not.
Compared with the prior art, the invention has the following advantages:
the system integrates the high-temperature refrigeration system with the largest heat dissipation capacity and moves the high-temperature refrigeration system to the outdoor, so that the high-power requirement of an air conditioner in a space where an ultra-low-temperature refrigerator is placed is avoided, and the risk that the refrigeration system of the refrigerator is damaged due to indoor temperature rise caused by damage of the air conditioner is reduced; one set of units of each refrigerator is transferred to the outside of the room, and indoor noise is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. an integrated high temperature stage refrigeration system; 2. a valve; 3. a refrigerator I low-temperature stage refrigerating system; 31. an evaporative condenser of a refrigerator I; 32. a refrigerator I low-temperature stage throttling structure; 33. a refrigerator I low-temperature stage evaporator; 34. a refrigerator I low-temperature stage compressor; 4. a refrigerator II low-temperature level refrigerating system; 41. a refrigerator II low-temperature stage evaporative condenser; 42. a low-temperature stage throttling structure of a refrigerator II; 43. a low-temperature evaporator of a refrigerator II; 44. a refrigerator II low-temperature stage compressor; 5. other ultra-low temperature refrigerators.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, the present invention provides an integrated ultra-low temperature refrigerator refrigerating system, comprising: the refrigerator comprises a low-temperature-level refrigerating system I, a low-temperature-level refrigerating system II, an integrated high-temperature-level refrigerating system, a valve and other ultra-low-temperature refrigerators. In a preferred embodiment, the other ultra-low temperature refrigerator mentioned herein is configured such that not only one low temperature stage refrigerating system but also one or more low temperature stage refrigerating systems are provided, and when a plurality of low temperature stage refrigerating systems are provided, they are connected in parallel.
In the present application, as a preferred embodiment, the refrigerator i low-temperature stage refrigeration system includes: i evaporative condenser of refrigerator, I low-temperature level throttle structure of refrigerator, I low-temperature level evaporimeter of refrigerator and I low-temperature level compressor of refrigerator through copper union coupling. Here, although the low-temperature throttling structure is a capillary tube as a preferred embodiment, the low-temperature throttling structure is not limited to the form of a capillary tube, and it is understood that the low-temperature throttling structure may be another device or structure as long as the low-temperature throttling can be achieved in another embodiment.
Similarly, the II low-temperature-level refrigerating system of the refrigerator comprises: the refrigerator comprises a refrigerator II evaporative condenser, a refrigerator II low-temperature stage throttling structure, a refrigerator II low-temperature stage evaporator and a refrigerator II low-temperature stage compressor which are connected through copper pipes. In this application, integrated form high temperature level refrigerating system passes through valve and I evaporative condenser of refrigerator and II evaporative condensers of refrigerator are connected respectively. In this application, the valve is the solenoid valve, the valve passes through the switching that controller control realized the valve. In the circulation process, when the temperature needs to be reduced, the valve is opened to carry out the refrigeration process, when the machine needs to be stopped, the valve is closed to carry out the temperature rise process, or the ratio of the valve to be opened and closed is controlled. The controller mentioned here is not a main protection feature of the present application, and thus detailed descriptions of the specific control process are omitted.
Meanwhile, the integrated high-temperature-level refrigeration system is arranged outdoors. The high-temperature-level refrigeration system with the largest heat dissipation capacity is integrated and moved outdoors, the high-power requirement of an air conditioner in a space where the ultra-low-temperature refrigerator is placed is avoided, and the risk that the refrigeration system of the refrigerator is damaged due to indoor temperature rise caused by damage of the air conditioner is reduced.
Simultaneously, other ultra-low temperature refrigerators with integrated form high temperature level refrigerating system also connects through the valve, other ultra-low temperature refrigerators are the parallelly connected low temperature level refrigerating system of a set of or multiunit.
As a preferred embodiment of the present application, when the system is used for refrigerating, since different refrigerators have their own separate low-temperature-level refrigerating systems, the refrigerating capacity needs to be transmitted to the evaporative condensers in the low-temperature-level refrigerating systems of the different refrigerators. The controller controls the valve to be opened, and the integrated high-temperature-level refrigerating system transmits the generated cold quantity to an I/II evaporative condenser of the refrigerator or other ultralow-temperature refrigerators to cool the corresponding low-temperature-level refrigerating system; and after the temperature of the refrigerant in the low-temperature stage refrigerating system is reduced, throttling is performed through an I/II low-temperature stage throttling structure of the refrigerator. In the throttling low-temperature-stage refrigeration system, the refrigerant of the low-temperature stage can be cooled only through the throttling process.
Cooling the refrigerating space by an I/II low-temperature stage evaporator of the refrigerator through the principle of evaporation after throttling, returning the refrigerant to an I/II low-temperature stage compressor of the refrigerator for recompression after the refrigerant is evaporated, and continuing circulation;
and the refrigerant in the high-temperature-level refrigerating system is heated in an I/II evaporative condenser of the refrigerator and then returns to the integrated high-temperature-level refrigerating system for circulation.
In another working state, namely when the system is stopped, the compressor of the low-temperature stage refrigeration system is controlled to stop by the controller when the low-temperature stage refrigeration system is stopped, and the associated high-temperature stage valve is closed; the controller analyzes the load condition of the integrated high-temperature-level refrigerating system and judges whether the integrated high-temperature-level refrigerating system needs to operate or not. The controller analysis means that the controller of each refrigerator transmits a signal to the controller, if the controller is in a shutdown state, the high-temperature-level refrigeration system can be controlled to be shut down, and when one refrigerator runs, the high-temperature-level refrigeration system also needs to run.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. Integrated ultra-low temperature refrigerator refrigerating system, its characterized in that includes: the refrigerator comprises a low-temperature stage refrigeration system I, a low-temperature stage refrigeration system II, an integrated high-temperature stage refrigeration system, a valve and other ultra-low temperature refrigerators;
i low-temperature stage refrigerating system of refrigerator includes: the refrigerator I low-temperature stage throttling structure comprises an evaporator condenser of the refrigerator I, a low-temperature stage throttling structure of the refrigerator I, a low-temperature stage evaporator of the refrigerator I and a low-temperature stage compressor of the refrigerator I, which are connected through copper pipes; the II low-temperature-level refrigerating system of the refrigerator comprises: the refrigerator II evaporative condenser, the refrigerator II low-temperature stage throttling structure, the refrigerator II low-temperature stage evaporator and the refrigerator II low-temperature stage compressor are connected through copper pipes; the integrated high-temperature-level refrigeration system is respectively connected with the evaporative condenser of the refrigerator I and the evaporative condenser of the refrigerator II through the valve; the other ultralow temperature refrigerators and the integrated high-temperature-level refrigerating system are also connected through valves, and the other ultralow temperature refrigerators are one or more groups of low-temperature-level refrigerating systems connected in parallel;
when the low-temperature stage refrigeration system is stopped, the compressor of the low-temperature stage refrigeration system is controlled to stop through the controller, and meanwhile, the associated high-temperature stage valve is closed; the integrated high-temperature-level refrigerating system is arranged outdoors.
2. The integrated ultra-low temperature refrigerator refrigerating system according to claim 1,
during refrigeration, the controller controls the valve to be opened, and the integrated high-temperature-level refrigeration system transmits the generated cold quantity to an I/II evaporative condenser of the refrigerator or other ultralow-temperature refrigerators to cool the corresponding low-temperature-level refrigeration system; after the temperature of the refrigerant in the low-temperature stage refrigerating system is reduced, throttling is carried out through an I/II low-temperature stage throttling structure of the refrigerator; cooling the refrigerating space by an I/II low-temperature stage evaporator of the refrigerator through the principle of evaporation after throttling, returning the refrigerant to an I/II low-temperature stage compressor of the refrigerator for recompression after the refrigerant is evaporated, and continuing circulation;
and the refrigerant in the high-temperature-level refrigerating system is heated in an I/II evaporative condenser of the refrigerator and then returns to the integrated high-temperature-level refrigerating system for circulation.
3. The integrated ultra-low temperature refrigerator refrigerating system according to claim 1,
the controller analyzes the load condition of the integrated high-temperature-level refrigerating system and judges whether the integrated high-temperature-level refrigerating system needs to operate or not.
4. The integrated ultra-low temperature refrigerator refrigerating system of any one of claims 1 to 3, wherein the ultra-low temperature is below-40 ℃.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020113650893 | 2020-11-27 | ||
| CN202011365089 | 2020-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112902481A true CN112902481A (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110182128.4A Pending CN112902481A (en) | 2020-11-27 | 2021-02-09 | Integrated ultra-low temperature refrigerator refrigerating system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222966A (en) * | 1997-04-08 | 1999-07-14 | 大金工业株式会社 | freezer |
| US20040035135A1 (en) * | 2002-08-24 | 2004-02-26 | Lg Electronics Inc. | Multi-air conditioner and operation method thereof |
| CN102748909A (en) * | 2011-04-20 | 2012-10-24 | 宋校良 | Central refrigerator |
| CN202630552U (en) * | 2012-03-14 | 2012-12-26 | 上海铁锚胶粘剂有限公司 | Split type energy-saving ice cuber |
-
2021
- 2021-02-09 CN CN202110182128.4A patent/CN112902481A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1222966A (en) * | 1997-04-08 | 1999-07-14 | 大金工业株式会社 | freezer |
| US20040035135A1 (en) * | 2002-08-24 | 2004-02-26 | Lg Electronics Inc. | Multi-air conditioner and operation method thereof |
| CN102748909A (en) * | 2011-04-20 | 2012-10-24 | 宋校良 | Central refrigerator |
| CN202630552U (en) * | 2012-03-14 | 2012-12-26 | 上海铁锚胶粘剂有限公司 | Split type energy-saving ice cuber |
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Application publication date: 20210604 |
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