CN103727722B - Refrigerating plant and maintaining method thereof - Google Patents
Refrigerating plant and maintaining method thereof Download PDFInfo
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- CN103727722B CN103727722B CN201310756596.3A CN201310756596A CN103727722B CN 103727722 B CN103727722 B CN 103727722B CN 201310756596 A CN201310756596 A CN 201310756596A CN 103727722 B CN103727722 B CN 103727722B
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- container
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- refrigerating plant
- module
- temperature
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000012809 cooling fluid Substances 0.000 claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 42
- 239000007788 liquid Substances 0.000 description 32
- 229910052757 nitrogen Inorganic materials 0.000 description 21
- 230000010412 perfusion Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007557 optical granulometry Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a kind of refrigerating plant and maintaining method thereof, described refrigerating plant includes: the first container, and described first container is provided with boost module, the cooling fluid of inner containment；Pipeline, described pipeline is for connecting the port of export and the entrance point of second container of described first container；Switch module, described switch module is arranged on described pipeline；Second container, the entrance point of port of export connection the 3rd container of described second container；3rd container, described detector is arranged on described 3rd container；Temperature sensor, it is interior and unsettled that described temperature sensor is arranged on described 3rd container.The present invention has safety, automatization, unmanned, the advantage such as cost-effective.
Description
Technical field
The present invention relates to refrigeration, particularly to refrigerating plant and maintaining method thereof.
Background technology
In photoanalysis technology, in order to improve the service behaviour of detector, need the described detector that freezes,
And using liquid nitrogen refrigerating is refrigeration modes more typically.But along with the increase of working time, need to irrigate liquid nitrogen
Deng cooling fluid.
At present, the perfusion liquid nitrogen modes by hand that use more, but do so may scald operator, threat behaviour
Make the healthy of personnel, expend the time long, waste liquid nitrogen simultaneously, improve cost.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art, the invention provides a kind of safety, automatic chemical industry
Work, cost-effective, the refrigerating plant of raising detector service behaviour.
It is an object of the invention to be achieved through the following technical solutions:
A kind of refrigerating plant, described refrigerating plant includes:
First container, described first container is provided with boost module, the cooling fluid of inner containment；
Pipeline, described pipeline is for connecting the port of export and the entrance point of second container of described first container；
Switch module, described switch module is arranged on described pipeline；
Second container, the entrance point of port of export connection the 3rd container of described second container；
3rd container, described detector is arranged on described 3rd container；
Temperature sensor, it is interior and unsettled that described temperature sensor is arranged on described 3rd container.
According to above-mentioned refrigerating plant, alternatively, described refrigerating plant farther includes:
Comparing module, temperature sensor described in described comparison module transmits the temperature value come and minimum temperature
Setting value, maximum temperature setting value, comparison result is sent to control module；
Control module, described control module is for according to receiving comparison result and controlling described switch module
Opening and closing.
According to above-mentioned refrigerating plant, it is preferable that the bottom of described second container is spill.
According to above-mentioned refrigerating plant, it is preferable that one end of described temperature sensor is fixed on second container
On, or the 3rd container and the junction of second container.
According to above-mentioned refrigerating plant, it is preferable that one end lead-in wire of described temperature sensor is described through connecting
Second container and the channel interior of the 3rd container are also fixed on the upper end of described second container.
According to above-mentioned refrigerating plant, alternatively, described refrigerating plant farther includes:
Fixing post, described fixing post is arranged in described 3rd container；
Retainer ring, described retainer ring is fixed on described fixing post, and one end lead-in wire of described temperature sensor is worn
Cross described retainer ring.
According to above-mentioned refrigerating plant, alternatively, the bottom position of described temperature sensor is less than described detection
The apical position of device.
According to above-mentioned refrigerating plant, it is preferable that described 3rd container is Dewar flask.
Present invention also offers the maintenance of the refrigerating plant of a kind of automatization, time-consuming, safe detector
Method.This goal of the invention is achieved through the following technical solutions:
According to the maintaining method of above-mentioned refrigerating plant, described maintaining method comprises the following steps:
(A1) temperature value that temperature sensor records equal to or higher than maximum temperature setting value time, open described in open
Close module；
(A2) the cooling fluid in the first container enters in the 3rd container by pipeline, second container, and the 3rd
In container, temperature constantly declines；
(A3), when temperature sensor records temperature value less than or equal to minimum temperature setting value, described switch is closed
Module.
According to above-mentioned maintaining method, alternatively, before described maintaining method further includes at step (A1)
The following steps implemented:
(B1) open boost module, increase the pressure in described first container；
After the pressure in the first container increases to setting value, close boost module.
Compared with prior art, the device have the advantages that into:
1, safety, goes to control whether to irrigate by the temperature in monitoring the 3rd container, it is not necessary to operator go
Contact liquid nitrogen, safety is high；
2, automatically working, unmanned are achieved；Comparing module, control module use software or circuit to set
Meter, goes to automatically control the opening and closing of boost module and switch module, it is not necessary to operator remove hands according to comparison result
Dynamic operation, full automation, so that detector can work continuously, and then improves detector and divides
The service behaviour of analyzer device；
3, omnidistance airtight perfusion, it is ensured that not wasting of cooling fluid, cost-effective；
4, perfusion is quickly, expends the time short, only 1-10 minute, and once perfusion can make detector work super
Spend 5 hours.
Accompanying drawing explanation
Referring to the drawings, the disclosure will be easier to understand.Skilled addressee readily understands that
: these accompanying drawings are used only for illustrating technical scheme, and are not intended to the present invention's
Protection domain is construed as limiting.In figure:
Fig. 1 is the structure diagram of the refrigerating plant of detector according to embodiments of the present invention；
Fig. 2 is the flow chart of the maintaining method of the refrigerating plant of detector according to embodiments of the present invention.
Detailed description of the invention
Fig. 1,2 and following description describe the optional embodiment of the present invention to instruct those skilled in the art
How to implement and to reproduce the present invention.In order to instruct technical solution of the present invention, simplify or eliminated some routines
Aspect.Those skilled in the art should understand that and be derived from the modification of these embodiments or replace the present invention's
In the range of.Those skilled in the art should understand that following characteristics can combine to form the present invention in every way
Multiple modification.Thus, the invention is not limited in following optional embodiment, and only by claim and
Their equivalent limits.
Embodiment 1:
Fig. 1 schematically illustrates the structure diagram of the refrigerating plant of the detector of the embodiment of the present invention, such as figure
Shown in 1, the refrigerating plant of described detector includes:
First container 1, described first container 1 is provided with boost module 2, the cooling fluid of inner containment, as
The liquid gas such as liquid nitrogen, liquid helium；
Pipeline 5, described pipeline 5 is for connecting the port of export and the import of second container of described first container
End；Described pipeline 5 should meet the requirement of heat-insulation and heat-preservation, as used stainless steel pipes, and wraps up in pipeline outer rim
There is insulation material；
Switch module 4, described switch module 4 is arranged on described pipeline；Described switch module uses electromagnetism
The valves such as valve；
Second container 8, the port of export of described second container 8 connects the 3rd container 13 by connection member 12
Entrance point；Second container 8 also has gas outlet 7；
3rd container 13, described detector 17 is arranged on described 3rd container 13；Described 3rd container is adopted
With the container of high insulating effect, such as Dewar flask；
Temperature sensor 16, it is interior and unsettled that described temperature sensor 16 is arranged on described 3rd container 13.
In order to preferably make the work of refrigerating plant energy automatization, unmanned, alternatively, described refrigeration dress
Put and farther include:
Comparing module, temperature sensor described in described comparison module transmits the temperature value come and minimum temperature
Setting value, maximum temperature setting value, comparison result is sent to control module；
If temperature value is greater than or equal to maximum temperature setting value, then comparison result is for opening；
If temperature value is less than or equal to minimum temperature setting value, then comparison result is for closing；
Control module, described control module is for according to receiving comparison result and controlling described switch module
Opening and closing.Above-mentioned comparing module, the function of control module may utilize software or circuit realizes, the side of implementing
Formula need not pay creative work for a person skilled in the art.
In order to improve the perfusion effect of cooling fluid, it is preferable that the bottom of described second container is spill.
In order to fix described temperature sensor, it is preferable that one end of described temperature sensor is fixed on the second appearance
On device, or the 3rd container and the junction of second container.Further, one end of described temperature sensor is drawn
Line is through connecting described second container and the channel interior of the 3rd container and being fixed on the upper of described second container
End.
In order to keep the stability of temperature sensor location, to improve the accuracy of thermometric, alternatively, described
Refrigerating plant farther includes:
Fixing post, described fixing post is arranged in described 3rd container；
Retainer ring, described retainer ring is fixed on described fixing post, and one end lead-in wire of described temperature sensor is worn
Cross described retainer ring, thus fix temperature sensor.
According to above-mentioned refrigerating plant, alternatively, the bottom position of described temperature sensor is less than described detection
The apical position of device.The bottom of described temperature sensor is 1-3mm to the distance of the inner bottom surface of the 3rd container.
Fig. 2 schematically illustrates the maintaining method of the refrigerating plant of above-mentioned detector, as in figure 2 it is shown, institute
State maintaining method to comprise the following steps:
(A1) temperature value that temperature sensor records greater than or equal to maximum temperature setting value time, open described in open
Close module；
(A2) the cooling fluid in the first container enters in the 3rd container by pipeline, second container, liquid level
Constantly rising and flood temperature sensor, in the 3rd container, temperature constantly declines, namely temperature sensor output
Temperature value constantly decline；
(A3), when temperature sensor records temperature value less than or equal to minimum temperature setting value, described switch is closed
Module.
The setting means of described maximum temperature setting value is: described cooling fluid liquid level in the 3rd container
The output valve being in temperature sensor corresponding during the top of detector is maximum temperature setting value.
The setting means of described minimum temperature setting value is: described cooling fluid liquid level in the 3rd container
It is in the output valve minimum temperature setting value of temperature sensor corresponding during the top of temperature sensor.
Embodiment 2:
According to embodiments of the present invention 1 refrigerating plant and maintaining method application in Fourier spectrometer
Example.
In this application examples, the first container uses liquid nitrogen container, and top is provided with boost module, outlet, and outlet is even
Three-way electromagnetic valve, outer rim is wrapped with one end of the stainless steel pipes of heat-preservation cotton and connects described electromagnetic valve, and the other end connects
The entrance point of second container.Second container uses stainless cylinder of steel, and bottom uses spill design, second container
Least significant end is connected with the Dewar flask as the 3rd container by connection member.One end lead-in wire of temperature sensor is worn
Crossing retainer ring and be fixed on the top of described second container, retainer ring is fixed on fixing post, and fixing post is arranged
In Dewar flask, and it is fixed in described connection member, by this fixed form so that temperature sensor
Unsettled in Dewar flask, and keep fixing.The bottom position of described temperature sensor is less than detector top
Position, and the inner bottom surface 3mm away from the 3rd container.The function of comparing module and control module all passes through software
Realize.
The maintenance mode of the refrigerating plant of above-mentioned detector particularly as follows:
(B1) open boost module, increase pressure in liquid nitrogen container, be pressurized to after to a certain degree (by the working time or
Pressure calculates), close boost module；
(A1) temperature value that temperature sensor records is sent to comparing module, if the temperature value recorded is equal to or high
When maximum temperature setting value, showing that now liquid nitrogen is not enough, comparison result is yes, and control module is according to comparison
Result and open described switch module；If comparison result is no, then without opening switch module；
Liquid nitrogen liquid level in the 3rd container is in the output valve of temperature sensor corresponding during the top of detector
For maximum temperature setting value；Liquid nitrogen liquid level in the 3rd container is in during the top of temperature sensor corresponding
The output valve minimum temperature setting value of temperature sensor；
(A2) liquid nitrogen in the first container is entered in the 3rd container by pipeline, second container, liquid level constantly on
Rising and flood temperature sensor, in the 3rd container, temperature constantly declines, namely the temperature of temperature sensor output
Value constantly declines；
(A3) when temperature sensor records temperature value less than or equal to described minimum temperature setting value, mould is controlled
Tuber closes described switch module according to comparison result.
Refrigerating plant and the maintaining method thereof of the detector of 2 reaches to have an advantage that according to embodiments of the present invention:
Without operator, safety is good；Device automatic comparison is the need of perfusion liquid nitrogen, and is automatically switched off filling
Note, expends the time short, it is achieved that full-automatic, unmanned so that detector can work continuously, carries
The high service behaviour of detector and analytical tool；Filling process is airtight is carried out, it is to avoid the waste of liquid nitrogen,
Reduce cost.
Embodiment 3:
The refrigerating plant of the detector of 1 and maintaining method thereof are in Fourier spectrometer according to embodiments of the present invention
Application examples.
In this application examples, the first container uses liquid nitrogen container, and top is provided with boost module, outlet, and outlet is even
Three-way electromagnetic valve, pipeline uses double-decker, and internal layer is for connecting the entrance point of electromagnetic valve, second container, outward
Layer evacuation.Second container uses stainless cylinder of steel, and bottom uses spill design, and the least significant end of second container is led to
Cross connection member to connect with the Dewar flask as the 3rd container.One end of temperature sensor goes between through retainer ring
And be fixed in described connection member, retainer ring is fixed on fixing post, and fixing post is arranged in Dewar flask,
And be fixed in described connection member, by this fixed form so that temperature sensor is unsettled at Dewar flask
In, and keep fixing.The bottom position of described temperature sensor is less than the position on described detector top, and
The inner bottom surface 1mm of distance the 3rd container.
The maintenance mode of the refrigerating plant of above-mentioned detector particularly as follows:
(A1) artificial read temperature value the comparison that temperature sensor records, if the temperature value recorded higher than or etc.
When maximum temperature setting value, showing that the liquid nitrogen in now the 3rd container is not enough, comparison result is yes, manually
Open described boost module, switch module；If comparison result is no, then without opening boost module and switch
Module；
Liquid nitrogen liquid level in the 3rd container is in the output valve of temperature sensor corresponding during the top of detector
For maximum temperature setting value；The setting means of described minimum temperature setting value is: liquid nitrogen is in the 3rd container
Liquid level is in the output valve minimum temperature setting value of temperature sensor corresponding during the top of temperature sensor；
(A2) liquid nitrogen in the first container is entered in the 3rd container by pipeline, second container, liquid level constantly on
Rising and flood temperature sensor, in the 3rd container, temperature constantly declines, namely the temperature of temperature sensor output
Value constantly declines；
(A3) when temperature sensor records temperature value less than or equal to described minimum temperature setting value, manually close
Close described switch module.
Refrigerating plant and the maintaining method thereof of the detector of 3 reaches to have an advantage that according to embodiments of the present invention:
Though needing operator, but without contacting the cooling fluids such as liquid nitrogen, safety is good；Filling process airtight enter
OK, it is to avoid the waste of liquid nitrogen, cost-effective, perfusion consuming time is short.
Claims (9)
1. a refrigerating plant, described refrigerating plant includes:
First container, described first container is provided with boost module, the cooling fluid of inner containment；
Pipeline, described pipeline is for connecting the port of export and the entrance point of second container of described first container；
Switch module, described switch module is arranged on described pipeline；
Second container, the entrance point of port of export connection the 3rd container of described second container；
3rd container, treats that refrigeration device is arranged on described 3rd container, described in treat that refrigeration device is detection
Device；
Temperature sensor, it is interior and unsettled that described temperature sensor is arranged on described 3rd container；
Comparing module, temperature sensor described in described comparison module transmits the temperature value come and minimum temperature
Setting value, maximum temperature setting value, comparison result is sent to control module；
Control module, described control module is for controlling described switch module according to the comparison result received
Opening and closing.
Refrigerating plant the most according to claim 1, it is characterised in that: the bottom of described second container is recessed
Shape.
Refrigerating plant the most according to claim 1, it is characterised in that: one end of described temperature sensor is solid
It is scheduled on second container, or the 3rd container and the junction of second container.
Refrigerating plant the most according to claim 3, it is characterised in that: one end of described temperature sensor is drawn
Line is through connecting described second container and the channel interior of the 3rd container and being fixed on the upper of described second container
End.
Refrigerating plant the most according to claim 1, it is characterised in that: described refrigerating plant wraps further
Include:
Fixing post, described fixing post is arranged in described 3rd container；
Retainer ring, described retainer ring is fixed on described fixing post, and one end lead-in wire of described temperature sensor is worn
Cross described retainer ring.
Refrigerating plant the most according to claim 1, it is characterised in that: the position, bottom of described temperature sensor
Set low in the apical position of described detector.
Refrigerating plant the most according to claim 1, it is characterised in that: the bottom of described temperature sensor is arrived
The distance of the inner bottom surface of described 3rd container is 1-3mm.
The maintaining method of refrigerating plant the most according to claim 1, described maintaining method includes following step
Rapid:
(A1), when the temperature value that temperature sensor records is equal to or higher than maximum temperature setting value, described switch is opened
Module；
(A2) the cooling fluid in the first container enters in the 3rd container by pipeline, second container, and the 3rd holds
In device, temperature constantly declines；
(A3), when temperature sensor records temperature value less than or equal to minimum temperature setting value, described switching molding is closed
Block.
Maintaining method the most according to claim 8, it is characterised in that: described maintaining method farther includes
The following steps implemented before step (A1):
(B1) open boost module, increase the pressure in described first container；
After the pressure in the first container increases to setting value, close boost module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756596.3A CN103727722B (en) | 2013-12-31 | 2013-12-31 | Refrigerating plant and maintaining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756596.3A CN103727722B (en) | 2013-12-31 | 2013-12-31 | Refrigerating plant and maintaining method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103727722A CN103727722A (en) | 2014-04-16 |
| CN103727722B true CN103727722B (en) | 2016-09-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107544422A (en) * | 2017-10-20 | 2018-01-05 | 成都华气厚普机电设备股份有限公司 | A kind of civilian gasification sledge automatic control system of LNG Dewar bottles and control method |
| CN108917945B (en) * | 2018-08-21 | 2019-08-23 | 上海星地通讯工程研究所 | A kind of quantum communication photon detector |
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| JPS63148688A (en) * | 1986-12-12 | 1988-06-21 | Mitsubishi Electric Corp | Cryogenic liquid automatic supply system |
| JPH02125199A (en) * | 1988-11-01 | 1990-05-14 | Agency Of Ind Science & Technol | Evaporation preventing device |
| CN2777341Y (en) * | 2004-11-30 | 2006-05-03 | 中国科学院上海技术物理研究所 | Automatic liquid nitrogen delivering device for aerostatic press |
| CN201653784U (en) * | 2009-12-31 | 2010-11-24 | 鲁西工业装备有限公司 | Low-temperature device for impact test |
| CN102519195A (en) * | 2011-12-06 | 2012-06-27 | 中国航天科技集团公司第五研究院第五一〇研究所 | Liquid helium refrigerating device for space |
| CN102661484A (en) * | 2012-04-25 | 2012-09-12 | 江苏美时医疗技术有限公司 | Full-automatic liquid nitrogen filling device and control method thereof |
| CN102818634A (en) * | 2012-08-03 | 2012-12-12 | 中国科学院上海技术物理研究所 | Liquid nitrogen cooling pressure controlled temperature-varying system with infrared detector |
-
2013
- 2013-12-31 CN CN201310756596.3A patent/CN103727722B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63148688A (en) * | 1986-12-12 | 1988-06-21 | Mitsubishi Electric Corp | Cryogenic liquid automatic supply system |
| JPH02125199A (en) * | 1988-11-01 | 1990-05-14 | Agency Of Ind Science & Technol | Evaporation preventing device |
| CN2777341Y (en) * | 2004-11-30 | 2006-05-03 | 中国科学院上海技术物理研究所 | Automatic liquid nitrogen delivering device for aerostatic press |
| CN201653784U (en) * | 2009-12-31 | 2010-11-24 | 鲁西工业装备有限公司 | Low-temperature device for impact test |
| CN102519195A (en) * | 2011-12-06 | 2012-06-27 | 中国航天科技集团公司第五研究院第五一〇研究所 | Liquid helium refrigerating device for space |
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