CN103727722A - Refrigeration device and maintenance method thereof - Google Patents
Refrigeration device and maintenance method thereof Download PDFInfo
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- CN103727722A CN103727722A CN201310756596.3A CN201310756596A CN103727722A CN 103727722 A CN103727722 A CN 103727722A CN 201310756596 A CN201310756596 A CN 201310756596A CN 103727722 A CN103727722 A CN 103727722A
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Abstract
The invention provides a refrigeration device and a maintenance method thereof. The refrigeration device comprises a first container, a pipeline, a switch module, a second container, a third container and a temperature sensor, wherein a pressurizing module is arranged on the first container, fluid for refrigeration is contained in the first container, the pipeline is used for being communicated with the outlet end of the first container and the inlet end of the second container, the switch module is arranged on the pipeline, the outlet end of the second container is communicated with the inlet end of the third container, a detector is arranged on the third container, and the temperature sensor is arranged in the third container and suspended. The refrigeration device has the advantages of being safe and automatic, achieving unattended operation, saving cost and the like.
Description
Technical field
The present invention relates to refrigeration, particularly refrigerating plant and maintaining method thereof.
Background technology
In photoelectric analysis technology, in order to improve the service behaviour of detector, the described detector that need to freeze, is the refrigeration modes between growing and adopt liquid nitrogen refrigerating.But along with the increase of working time, need to pour into the cooling fluids such as liquid nitrogen.
At present, the perfusion liquid nitrogen modes by hand that adopt, may scald operating personnel but do so more, threaten the healthy of operating personnel, and the length that expends time in, has also wasted liquid nitrogen simultaneously, has improved cost.
Summary of the invention
In order to solve the deficiency in above-mentioned prior art scheme, the invention provides the refrigerating plant of a kind of safety, automatically working, saving cost, raising detector service behaviour.
The object of the invention is to be achieved through the following technical solutions:
A refrigerating plant, described refrigerating plant comprises:
The first container, described the first container is provided with supercharging module, and inside holds cooling fluid;
Pipeline, described pipeline is for being communicated with the port of export of described the first container and the entrance point of second container;
Switch module, described switch module is arranged on described pipeline;
Second container, the port of export of described second container is communicated with the entrance point of the 3rd container;
The 3rd container, described detector is arranged on described the 3rd container;
Temperature sensor, described temperature sensor is arranged in described the 3rd container also unsettled.
According to above-mentioned refrigerating plant, alternatively, described refrigerating plant further comprises:
Comparing module, described comparing module is compared temperature value that described temperature sensor sends and minimum temperature setting value, maximum temperature setting value, and comparison result is sent to control module;
Control module, described control module receives for basis the switching that comparison result is controlled described switch module.
According to above-mentioned refrigerating plant, preferably, the bottom of described second container is spill.
According to above-mentioned refrigerating plant, preferably, one end of described temperature sensor is fixed on second container, or the junction of the 3rd container and second container.
According to above-mentioned refrigerating plant, preferably, one end of described temperature sensor lead-in wire is through connecting the channel interior of described second container and the 3rd container and being fixed on the upper end of described second container.
According to above-mentioned refrigerating plant, alternatively, described refrigerating plant further comprises:
Fixed leg, described fixed leg is arranged in described the 3rd container;
Retainer ring, described retainer ring is fixed on described fixed leg, and one end of described temperature sensor goes between through described retainer ring.
According to above-mentioned refrigerating plant, alternatively, the bottom position of described temperature sensor is lower than the apical position of described detector.
According to above-mentioned refrigerating plant, preferably, described the 3rd container is Dewar bottle.
The present invention also provides a kind of automation, has saved time, the maintaining method of the refrigerating plant of the detector of safety.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), when the temperature value that temperature sensor records is equal to or higher than maximum temperature setting value, open described switch module;
(A2) the cooling fluid in the first container enters in the 3rd container by pipeline, second container, and in the 3rd container, temperature constantly declines;
(A3), when temperature sensor records temperature value and sets value less than or equal to minimum temperature, close described switch module.
According to above-mentioned maintaining method, alternatively, described maintaining method is further included in the following steps that step (A1) is implemented before:
(B1) open supercharging module, increase the pressure in described the first container;
With the pressure in the first container, be increased to after setting value, close supercharging module.
Compared with prior art, the beneficial effect that the present invention has is:
1, safety, goes control whether to pour into by the temperature of monitoring in the 3rd container, without operating personnel, removes to contact liquid nitrogen, safe;
2, automatically working, unmanned have been realized; Comparing module, control module adopt software or circuit design, according to comparison result, go automatically to control the switching of supercharging module and switch module, without operating personnel, go manual operation, full automation, thereby make the detector can continuous operation, and then improve the service behaviour of detector and analytical instrument;
3, omnidistance airtight perfusion, has guaranteed not wasting of cooling fluid, saves cost;
4, perfusion fast, expends time in short, only has 1-10 minute, and once perfusion can make detector work over 5 hours.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present invention will be easier to understand.Those skilled in the art hold intelligible: these accompanying drawings are only for illustrating technical scheme of the present invention, and are not intended to protection scope of the present invention to be construed as limiting.In figure:
Fig. 1 is according to the structure diagram of the refrigerating plant of the detector of the embodiment of the present invention;
Fig. 2 is according to the flow chart of the maintaining method of the refrigerating plant of the detector of the embodiment of the present invention.
The specific embodiment
Fig. 1,2 and following declarative description optional embodiment of the present invention with instruction those skilled in the art, how to implement and to reproduce the present invention.In order to instruct technical solution of the present invention, simplified or omitted some conventional aspects.Those skilled in the art should understand that be derived from the modification of these embodiments or replace will be within the scope of the invention.Those skilled in the art should understand that following characteristics can combine to form a plurality of modification of the present invention in every way.Thus, the present invention is not limited to following optional embodiment, and only by claim and their equivalent, is limited.
Embodiment 1:
Fig. 1 has schematically provided the structure diagram of refrigerating plant of the detector of the embodiment of the present invention, and as shown in Figure 1, the refrigerating plant of described detector comprises:
The first container 1, described the first container 1 is provided with supercharging module 2, and inside holds cooling fluid, as liquid gas such as liquid nitrogen, liquid heliums;
Pipeline 5, described pipeline 5 is for being communicated with the port of export of described the first container and the entrance point of second container; Described pipeline 5 should meet the requirement of heat-insulation and heat-preservation, as adopted stainless steel pipes, and is wrapped with insulation material in pipeline outer rim;
The 3rd container 13, described detector 17 is arranged on described the 3rd container 13; Described the 3rd container adopts the container of high insulating effect, as Dewar bottle;
In order to make better the work of refrigerating plant energy automation, unmanned, alternatively, described refrigerating plant further comprises:
Comparing module, described comparing module is compared temperature value that described temperature sensor sends and minimum temperature setting value, maximum temperature setting value, and comparison result is sent to control module;
If temperature value sets value greater than or equal to maximum temperature, comparison result is for opening;
If temperature value sets value less than or equal to minimum temperature, comparison result is for closing;
Control module, described control module receives for basis the switching that comparison result is controlled described switch module.The function of above-mentioned comparing module, control module can utilize software or circuit to realize, and specific implementation is not need to pay creative work for a person skilled in the art.
In order to improve the perfusion effect of cooling fluid, preferably, the bottom of described second container is spill.
For fixing described temperature sensor, preferably, one end of described temperature sensor is fixed on second container, or the junction of the 3rd container and second container.Further, one end of described temperature sensor lead-in wire is through connecting the channel interior of described second container and the 3rd container and being fixed on the upper end of described second container.
In order to keep the stability of temperature sensor location, to improve the accuracy of thermometric, alternatively, described refrigerating plant further comprises:
Fixed leg, described fixed leg is arranged in described the 3rd container;
Retainer ring, described retainer ring is fixed on described fixed leg, and one end of described temperature sensor goes between through described retainer ring, thereby fixes temperature sensor.
According to above-mentioned refrigerating plant, alternatively, the bottom position of described temperature sensor is lower than the apical position of described detector.The distance of the inner bottom surface of the bottom to the of described temperature sensor three containers is 1-3mm.
Fig. 2 has schematically provided the maintaining method of the refrigerating plant of above-mentioned detector, and as shown in Figure 2, described maintaining method comprises the following steps:
(A1), when the temperature value that temperature sensor records sets value greater than or equal to maximum temperature, open described switch module;
(A2) the cooling fluid in the first container enters in the 3rd container by pipeline, second container, and liquid level constantly rises and floods temperature sensor, and in the 3rd container, temperature constantly declines, and is also that the temperature value of temperature sensor output constantly declines;
(A3), when temperature sensor records temperature value and sets value less than or equal to minimum temperature, close described switch module.
The setting means of described maximum temperature setting value is: during the top of the liquid level of described cooling fluid in the 3rd container in detector, the output valve of corresponding temperature sensor is maximum temperature setting value.
The setting means of described minimum temperature setting value is: the output valve minimum temperature setting value of corresponding temperature sensor during the top of the liquid level of described cooling fluid in the 3rd container in temperature sensor.
Embodiment 2:
The application examples in Fourier spectrometer according to the refrigerating plant of the embodiment of the present invention 1 and maintaining method thereof.
In this application examples, the first container adopts liquid nitrogen container, and top is provided with supercharging module, outlet, and outlet is communicated with magnetic valve, and one end that outer rim is wrapped with the stainless steel pipes of heat-preservation cotton is communicated with described magnetic valve, and the other end is communicated with the entrance point of second container.Second container adopts stainless cylinder of steel, and bottom adopts spill design, and the least significant end of second container is communicated with by attaching parts with as the Dewar bottle of the 3rd container.One end lead-in wire of temperature sensor is through retainer ring and be fixed on the top of described second container, retainer ring is fixed on fixed leg, fixed leg is arranged in Dewar bottle, and be fixed in described attaching parts, by this fixed form, make temperature sensor unsettled in Dewar bottle, and keep fixing.The bottom position of described temperature sensor is lower than the position on detector top, and the inner bottom surface 3mm of distance the 3rd container.The function of comparing module and control module all realizes by software.
The maintenance mode of the refrigerating plant of above-mentioned detector is specially:
(B1) open supercharging module, increase pressure in liquid nitrogen container, after being pressurized to a certain degree, (by working time or pressure, calculate), close supercharging module;
(A1) temperature value that temperature sensor records is sent to comparing module, if when the temperature value recording is equal to or higher than maximum temperature setting value, shows that now liquid nitrogen is not enough, and comparison result is yes, and control module is opened described switch module according to comparison result; If comparison result is no, without opening switch module;
During the top of the liquid level of liquid nitrogen in the 3rd container in detector, the output valve of corresponding temperature sensor is maximum temperature setting value; The output valve minimum temperature of corresponding temperature sensor setting value during the top of the liquid level of liquid nitrogen in the 3rd container in temperature sensor;
(A2) liquid nitrogen in the first container enters in the 3rd container by pipeline, second container, and liquid level constantly rises and floods temperature sensor, and in the 3rd container, temperature constantly declines, and is also that the temperature value of temperature sensor output constantly declines;
(A3) when temperature sensor records temperature value less than or equal to described minimum temperature setting value, control module is closed described switch module according to comparison result.
The benefit reaching according to the refrigerating plant of the detector of the embodiment of the present invention 2 and maintaining method thereof is: without operating personnel, security is good; Whether device automatic comparison needs to pour into liquid nitrogen, and automatically closes perfusion, expends time in short, has realized full-automatic, unmanned, makes the detector can continuous operation, has improved the service behaviour of detector and analytical instrument; Filling process is airtight to carry out, avoided liquid nitrogen waste, reduced cost.
Embodiment 3:
The application examples in Fourier spectrometer according to the refrigerating plant of the detector of the embodiment of the present invention 1 and maintaining method thereof.
In this application examples, the first container adopts liquid nitrogen container, and top is provided with supercharging module, outlet, and outlet is communicated with magnetic valve, and pipeline adopts double-decker, and internal layer is for being communicated with the entrance point of magnetic valve, second container, and skin vacuumizes.Second container adopts stainless cylinder of steel, and bottom adopts spill design, and the least significant end of second container is communicated with by attaching parts with as the Dewar bottle of the 3rd container.One end of temperature sensor goes between through retainer ring and is fixed in described attaching parts, and retainer ring is fixed on fixed leg, and fixed leg is arranged in Dewar bottle, and be fixed in described attaching parts, by this fixed form, make temperature sensor unsettled in Dewar bottle, and keep fixing.The bottom position of described temperature sensor is lower 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 is specially:
(A1) temperature value that artificial reading temperature sensor records comparison, if when the temperature value recording sets value greater than or equal to maximum temperature, show that the liquid nitrogen in the 3rd container is now not enough, and comparison result is yes, manually opens described supercharging module, switch module; If comparison result is no, without opening supercharging module and switch module;
During the top of the liquid level of liquid nitrogen in the 3rd container in detector, the output valve of corresponding temperature sensor is maximum temperature setting value; The setting means of described minimum temperature setting value is: the output valve minimum temperature setting value of corresponding temperature sensor during the top of the liquid level of liquid nitrogen in the 3rd container in temperature sensor;
(A2) liquid nitrogen in the first container enters in the 3rd container by pipeline, second container, and liquid level constantly rises and floods temperature sensor, and in the 3rd container, temperature constantly declines, and is also that the temperature value of temperature sensor output constantly declines;
(A3) when temperature sensor records temperature value less than or equal to described minimum temperature setting value, manually close described switch module.
The benefit reaching according to the refrigerating plant of the detector of the embodiment of the present invention 3 and maintaining method thereof is: though need operating personnel, without cooling fluids such as contact liquid nitrogen, security is good; Filling process is airtight to carry out, and has avoided the waste of liquid nitrogen, saves cost, and perfusion expends time in short.
Claims (10)
1. a refrigerating plant, described refrigerating plant comprises:
The first container, described the first container is provided with supercharging module, and inside holds cooling fluid;
Pipeline, described pipeline is for being communicated with the port of export of described the first container and the entrance point of second container;
Switch module, described switch module is arranged on described pipeline;
Second container, the port of export of described second container is communicated with the entrance point of the 3rd container;
The 3rd container, treats that refrigeration device is arranged on described the 3rd container;
Temperature sensor, described temperature sensor is arranged in described the 3rd container also unsettled.
2. refrigerating plant according to claim 1, is characterized in that: described refrigerating plant further comprises:
Comparing module, described comparing module is compared temperature value that described temperature sensor sends and minimum temperature setting value, maximum temperature setting value, and comparison result is sent to control module;
Control module, described control module is for controlling the switching of described switch module according to the comparison result receiving.
3. refrigerating plant according to claim 1, is characterized in that: the bottom of described second container is spill.
4. refrigerating plant according to claim 1, is characterized in that: one end of described temperature sensor is fixed on second container, or the junction of the 3rd container and second container.
5. refrigerating plant according to claim 4, is characterized in that: one end lead-in wire of described temperature sensor is through connecting the channel interior of described second container and the 3rd container and being fixed on the upper end of described second container.
6. refrigerating plant according to claim 1, is characterized in that: described refrigerating plant further comprises:
Fixed leg, described fixed leg is arranged in described the 3rd container;
Retainer ring, described retainer ring is fixed on described fixed leg, and one end of described temperature sensor goes between through described retainer ring.
7. refrigerating plant according to claim 1, is characterized in that: the bottom position of described temperature sensor is lower than the apical position of described detector.
8. refrigerating plant according to claim 1, is characterized in that: the bottom of described temperature sensor is 1-3mm to the distance of the inner bottom surface of described the 3rd container.
9. the maintaining method of refrigerating plant according to claim 1, described maintaining method comprises the following steps:
(A1), when the temperature value that temperature sensor records is equal to or higher than maximum temperature setting value, open described switch module;
(A2) the cooling fluid in the first container enters in the 3rd container by pipeline, second container, and in the 3rd container, temperature constantly declines;
(A3), when temperature sensor records temperature value and sets value less than or equal to minimum temperature, close described switch module.
10. maintaining method according to claim 9, is characterized in that: described maintaining method is further included in the following steps that step (A1) is implemented before:
(B1) open supercharging module, increase the pressure in described the first container;
Pressure in the first container is increased to after setting value, closes supercharging module.
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| CN201310756596.3A CN103727722B (en) | 2013-12-31 | 2013-12-31 | Refrigerating plant and maintaining method thereof |
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Cited By (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 |
| CN108917945A (en) * | 2018-08-21 | 2018-11-30 | 张淼淼 | A kind of quantum communication photon detector |
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| 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 |
| CN108917945A (en) * | 2018-08-21 | 2018-11-30 | 张淼淼 | A kind of quantum communication photon detector |
| 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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| CN103727722B (en) | 2016-09-28 |
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