CN215983423U - Ultra-low temperature refrigerator capable of being repaired quickly - Google Patents
Ultra-low temperature refrigerator capable of being repaired quickly Download PDFInfo
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- CN215983423U CN215983423U CN202121322543.7U CN202121322543U CN215983423U CN 215983423 U CN215983423 U CN 215983423U CN 202121322543 U CN202121322543 U CN 202121322543U CN 215983423 U CN215983423 U CN 215983423U
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Abstract
The utility model discloses an ultra-low temperature refrigerator capable of being repaired quickly, which adopts the technical scheme that: including the lagging casing, install the outer door on the lagging casing, the inside low temperature freezer that is provided with of lagging casing, the fixed base that is provided with in lagging casing bottom, the inside refrigerating mechanism that is provided with of base, refrigerating mechanism include first refrigerating system, second refrigerating system and third refrigerating system, but the beneficial effect of an ultra-low temperature refrigerator that can overhaul soon is: through increase the third refrigerating system who lacks the compressor on original two refrigerating system's of ultra-low temperature refrigerator basis to add the refrigerant liquid storage pot in third refrigerating system, when the compressor in original refrigerating system damages, only need can refrigerate fast on the reservation interface of new compressor erection joint in third refrigerating system, and simple structure is reasonable, the maintenance degree of difficulty has been reduced, with less cost, save a large amount of maintenance time and reduce the work that the sample shifted and the damage risk to the sample.
Description
Technical Field
The utility model relates to the technical field of refrigerators, in particular to an ultra-low temperature refrigerator capable of being repaired quickly.
Background
The ultra-low temperature refrigerator is also called ultra-low temperature freezer or ultra-low temperature storage box. It can be used for preservation of tuna, low temperature test of electronic devices and special materials, and preservation of blood plasma, biological materials, vaccines, reagents, biological products, chemical reagents, strains, biological samples, etc. The ultra-low temperature refrigerator is generally provided with two compressors which are overlapped to work. The laboratory is used for storing the refrigerator of the sample and all adopts the ultralow temperature refrigerator of minus 86 ℃, and the refrigerator has the problems of compression damage because the refrigeration temperature is too low, the working strength of the compressor is higher, and the working strength of the compressor is higher in hot summer.
The prior art has the following defects: the original refrigeration pipeline needs to be welded off for maintenance of the ultra-low temperature refrigerator, then a new compressor is welded on, and a vacuumizing process for 12 hours is needed in the period, so that new refrigerant can be added into the original pipeline. And the pressure of the refrigeration system is required to be adjusted after the maintenance is finished, so that the normal refrigeration of the system is ensured, and the whole maintenance process generally needs 2-3 days. Biological samples stored in the ultra-low temperature refrigerator are all very precious and most of the biological samples are unique, so that the samples stored in the refrigerator body are required to be taken out one by one in the refrigerator maintenance process and transferred to another ultra-low temperature refrigerator for storage, the process is very complicated, and the precious samples are easily damaged.
For this reason, it is necessary to design a quick-repairable ultra-low temperature refrigerator to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides the ultra-low temperature refrigerator capable of being repaired quickly, the third refrigerating system lacking the compressor is additionally arranged on the basis of the original first refrigerating system and the original second refrigerating system of the refrigerator, the refrigerant liquid storage tank is additionally arranged in the third refrigerating system, when the first compressor or the second compressor fails, the compressor is not required to be dismounted and vacuumized, only the newly purchased compressor is required to be arranged on the reserved interface, and the valve is manually opened, so that the problems of high maintenance difficulty, complex process and long time consumption after the compressor of the existing ultra-low temperature refrigerator is damaged can be solved.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides an ultra-low temperature refrigerator that can overhaul soon, includes the lagging casing, the last outer door of installing of lagging casing, the inside low temperature freezer that is provided with of lagging casing, the fixed base that is provided with in lagging casing bottom, the inside refrigerating mechanism that is provided with of base, refrigerating mechanism includes first refrigerating system, second refrigerating system and third refrigerating system.
The first refrigeration system comprises a first compressor, a first condenser, a first cooling fan, a first refrigerant separator, a first intercooler and a first evaporator, wherein the first compressor, the first condenser, the first cooling fan, the first refrigerant separator, the first intercooler and the first evaporator are connected through a first copper pipe.
The second refrigeration system comprises a second compressor, a second condenser, a second cooling fan, a second refrigerant separator, a second intercooler and a second evaporator, and the second compressor, the second condenser, the second cooling fan, the second refrigerant separator, the second intercooler and the second evaporator are connected through a second copper pipe.
The third refrigeration system comprises a reserved interface, a third condenser, a third cooling fan, a third refrigerant separator, a third intercooler, a third evaporator and a refrigerant liquid storage tank, wherein the reserved interface, the third condenser, the third cooling fan, the third refrigerant separator, the third intercooler and the third evaporator are connected through a third copper pipe, and the refrigerant liquid storage tank is connected with the third copper pipe through a fourth copper pipe.
Preferably, the fourth copper pipe is fixedly provided with an electromagnetic valve and a manual valve.
Preferably, the first evaporator, the second evaporator and the third evaporator extend into the low-temperature refrigerator.
Preferably, be provided with the inner door on the low temperature freezer, the inside frozen frame of depositing that is provided with of low temperature freezer.
Preferably, the upper surface of the outer door is fixedly provided with a control panel, and the edge of the outer door is fixedly provided with a handle.
Preferably, a heat dissipation grid is arranged on the side wall of the base.
The utility model has the beneficial effects that:
according to the utility model, the third refrigerating system lacking the compressor is added on the basis of the two original refrigerating systems of the ultra-low temperature refrigerator, and the refrigerant liquid storage tank is additionally arranged in the third refrigerating system, so that when the compressor in the original refrigerating system is damaged, a new compressor is only required to be installed and connected on the reserved interface in the third refrigerating system, and the quick refrigerating system can be used for quickly refrigerating, has a simple and reasonable structure, reduces the maintenance difficulty, saves a large amount of maintenance time with lower cost, and reduces the work of sample transfer and the damage risk to the sample.
Drawings
FIG. 1 is a schematic diagram of the working principle provided by the present invention;
fig. 2 is a schematic structural diagram of a low-temperature refrigerator provided by the utility model;
fig. 3 is a schematic structural diagram of a control panel provided in the present invention.
In the figure: 1 outer door, 2 handles, 3 inner doors, 4 radiator grilles, 5 bases, 6 freezes and deposits the frame, 7 lagging casing, 8 control panel, 9 low temperature freezer, I1 first compressor, I2 first condenser, I3 first radiator fan, I4 first refrigerant separator, I5 first intercooler, I6 first evaporimeter, II 1 second compressor, II 2 second condenser, II 3 second radiator fan, II 4 second refrigerant separator, II 5 second intercooler, II 6 second evaporimeter, III 1 reserves interface, III 2 third condenser, III 3 third radiator fan, III 4 third refrigerant separator, III 5 third intercooler, III 6 third evaporimeter, III 7 refrigerant liquid storage pot, III 8 solenoid valves, III 9 manual valves.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to the attached drawings 1-3, the ultra-low temperature refrigerator capable of being repaired quickly provided by the utility model comprises a heat preservation shell 7, wherein an outer door 1 is installed on the heat preservation shell 7, a low temperature refrigerator 9 is arranged in the heat preservation shell 7, a base 5 is fixedly arranged at the bottom of the heat preservation shell 7, a refrigerating mechanism is arranged in the base 5, and the refrigerating mechanism comprises a first refrigerating system, a second refrigerating system and a third refrigerating system.
First refrigerating system includes first compressor I1, first condenser I2, first radiator fan I3, first refrigerant separator I4, first intercooler I5 and first evaporimeter I6, through first copper union coupling between first compressor I1, first condenser I2, first radiator fan I3, first refrigerant separator I4, first intercooler I5, the first evaporimeter I6, the quantity of first copper pipe sets up to many, and many first copper pipes can be connected first compressor I1, first condenser I2, first radiator fan I3, first refrigerant separator I4, first intercooler I5 and first evaporimeter I6 and form complete refrigeration loop.
The second refrigeration system comprises a second compressor II 1, a second condenser II 2, a second cooling fan II 3, a second refrigerant separator II 4, a second intercooler II 5 and a second evaporator II 6, wherein the second compressor II 1, the second condenser II 2, the second cooling fan II 3, the second refrigerant separator II 4, the second intercooler II 5 and the second evaporator II 6 are connected through second copper pipes, the number of the second copper pipes is multiple, and the second compressor II 1, the second condenser II 2, the second cooling fan II 3, the second refrigerant separator II 4, the second intercooler II 5 and the second evaporator II 6 can be connected through the second copper pipes to form a complete refrigeration loop.
The third refrigerating system comprises a reserved interface III 1, a third condenser III 2, a third cooling fan III 3, a third refrigerant separator III 4, a third intercooler III 5, a third evaporator III 6 and a refrigerant liquid storage tank III 7, the reserved interface III 1, the third condenser III 2, the third cooling fan III 3, the third refrigerant separator III 4, the third intercooler III 5 and the third evaporator III 6 are connected through a third copper pipe, the refrigerant liquid storage tank III 7 is connected with a third copper pipe through a fourth copper pipe, all pipeline parts of a pipeline of the third refrigeration system are vacuumized and sealed in practical application, when the new compressor is installed on the reserved interface III 1, the new compressor, the third condenser III 2, the third cooling fan III 3, the third refrigerant separator III 4, the third intercooler III 5, the third evaporator III 6 and the refrigerant liquid storage tank III 7 form a complete refrigeration loop.
Furthermore, an electromagnetic valve III 8 and a manual valve III 9 are fixedly mounted on the fourth copper pipe, and the electromagnetic valve III 8 and the manual valve III 9 are arranged, so that the refrigerant can be controlled to enter and exit the refrigerant liquid storage tank III 7.
Further, the first evaporator I6, the second evaporator II 6 and the third evaporator III 6 extend into the low-temperature refrigerator 9.
Further, be provided with interior door 3 on the low temperature freezer 9, the inside cryopreserving frame 6 that is provided with of low temperature freezer 9, cryopreserving frame 6 is used for depositing the sample cryopreserving box.
Further, the upper surface of the outer door 1 is fixedly provided with a control panel 8, and the edge of the outer door 1 is fixedly provided with a handle 2.
Further, a heat dissipation grid 4 is arranged on the side wall of the base 5.
The using process of the utility model is as follows: when the utility model is used, when the first compressor I1 or the second compressor II 1 has a fault, a new compressor is connected to the reserved interface III 1 of the third refrigerating system, the new compressor and other components in the third refrigerating system form a complete refrigerating loop at the moment, then the manual valve III 9 is opened, a refrigerant can be added into the refrigerating loop, and then the refrigerating operation can be realized by slightly debugging without other complicated steps.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides an ultra-low temperature refrigerator that can overhaul fast, includes lagging casing (7), its characterized in that: the refrigerator is characterized in that an outer door (1) is installed on the heat preservation shell (7), a low-temperature refrigerator (9) is arranged in the heat preservation shell (7), a base (5) is fixedly arranged at the bottom of the heat preservation shell (7), a refrigerating mechanism is arranged in the base (5), and the refrigerating mechanism comprises a first refrigerating system, a second refrigerating system and a third refrigerating system;
the first refrigeration system comprises a first compressor (I1), a first condenser (I2), a first cooling fan (I3), a first refrigerant separator (I4), a first intercooler (I5) and a first evaporator (I6), wherein the first compressor (I1), the first condenser (I2), the first cooling fan (I3), the first refrigerant separator (I4), the first intercooler (I5) and the first evaporator (I6) are connected through a first copper pipe;
the second refrigeration system comprises a second compressor (II 1), a second condenser (II 2), a second cooling fan (II 3), a second refrigerant separator (II 4), a second intercooler (II 5) and a second evaporator (II 6), wherein the second compressor (II 1), the second condenser (II 2), the second cooling fan (II 3), the second refrigerant separator (II 4), the second intercooler (II 5) and the second evaporator (II 6) are connected through a second copper pipe;
the third refrigeration system comprises a reserved interface (III 1), a third condenser (III 2), a third cooling fan (III 3), a third refrigerant separator (III 4), a third intercooler (III 5), a third evaporator (III 6) and a refrigerant liquid storage tank (III 7), the reserved interface (III 1), the third condenser (III 2), the third cooling fan (III 3), the third refrigerant separator (III 4), the third intercooler (III 5) and the third evaporator (III 6) are connected through a third copper pipe, and the refrigerant liquid storage tank (III 7) is connected with the third copper pipe through a fourth copper pipe.
2. The ultra-low temperature refrigerator capable of being repaired quickly as claimed in claim 1, wherein: and the fourth copper pipe is fixedly provided with an electromagnetic valve (III 8) and a manual valve (III 9).
3. The ultra-low temperature refrigerator capable of being repaired quickly as claimed in claim 1, wherein: the first evaporator (I6), the second evaporator (II 6) and the third evaporator (III 6) extend into the low-temperature refrigerator (9).
4. The ultra-low temperature refrigerator capable of being repaired quickly as claimed in claim 1, wherein: be provided with inner door (3) on low temperature freezer (9), low temperature freezer (9) inside is provided with freezes deposits frame (6).
5. The ultra-low temperature refrigerator capable of being repaired quickly as claimed in claim 1, wherein: outer door (1) fixed surface is provided with control panel (8), outer door (1) edge is fixed and is provided with handle (2).
6. The ultra-low temperature refrigerator capable of being repaired quickly as claimed in claim 1, wherein: and a heat dissipation grid (4) is arranged on the side wall of the base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121322543.7U CN215983423U (en) | 2021-06-15 | 2021-06-15 | Ultra-low temperature refrigerator capable of being repaired quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121322543.7U CN215983423U (en) | 2021-06-15 | 2021-06-15 | Ultra-low temperature refrigerator capable of being repaired quickly |
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| Publication Number | Publication Date |
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| CN215983423U true CN215983423U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121322543.7U Active CN215983423U (en) | 2021-06-15 | 2021-06-15 | Ultra-low temperature refrigerator capable of being repaired quickly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358204A (en) * | 2023-03-31 | 2023-06-30 | 珠海格力电器股份有限公司 | Compressor control method, storage box and storage medium |
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2021
- 2021-06-15 CN CN202121322543.7U patent/CN215983423U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116358204A (en) * | 2023-03-31 | 2023-06-30 | 珠海格力电器股份有限公司 | Compressor control method, storage box and storage medium |
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