CN207569530U - A kind of liquid nitrogen detection device - Google Patents
A kind of liquid nitrogen detection device Download PDFInfo
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- CN207569530U CN207569530U CN201721612774.5U CN201721612774U CN207569530U CN 207569530 U CN207569530 U CN 207569530U CN 201721612774 U CN201721612774 U CN 201721612774U CN 207569530 U CN207569530 U CN 207569530U
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- liquid nitrogen
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- conversion
- detection device
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Abstract
A kind of liquid nitrogen detection device, including：Ontology, is tube body, and inner wall of end circumferential direction sets step；At least one conversion body is inserted in the ontology at the port of one end, and its rear end outer wall projection is securable to the step of the body end step, which sets the central passage of a cone in an axial direction, and import bore is more than outlet bore；At least one detection sensing device for being used to detect number of bubbles, is set in the ontology, the outlet of the intrinsic conversion body of face；At least one capping, the liquid nitrogen inlet/outlet pipe including a cover body and positioned at cover body outer end face center；The cover body covers at the body end；An at least backstop ball is set in the conversion body central passage, and backstop bulb diameter is more than conversion body outlet bore and liquid nitrogen disengaging bore.The utility model liquid nitrogen structure of the detecting device is simple, can with accuracy detect liquid nitrogen rate of volatilization the problem of, reduce security risk, reduce economic loss, improve operation ease.
Description
Technical field
The utility model belongs to liquid nitrogen detection technique field, more particularly to a kind of liquid nitrogen detection device.
Background technology
Need to be equipped with liquid nitrogen detection device in the storage transport device of ultralow temperature, and conventional liquid nitrogen detecting system not only body
Product is larger and complicated, it is impossible to accurately detect the rate of volatilization of liquid nitrogen, be easily led to so as to which nitrogen cannot be replenished in time
Sample in ultralow temperature storage is damaged accident.
Above common liquid nitrogen detecting system is not only complicated but also is not easy to detect the rate of volatilization of liquid nitrogen, and operation is not
Just property.
Therefore, it is badly in need of a kind of liquid nitrogen detection device in the prior art, it is complicated to solve the problems, such as, while solve standard
The problem of really detecting the rate of volatilization of liquid nitrogen reduces security risk, reduces economic loss, improves working efficiency.
Invention content
It is simple in structure the purpose of this utility model is to provide a kind of liquid nitrogen detection device, can liquid nitrogen be detected with accuracy
The problem of rate of volatilization, reduces security risk, reduces economic loss, improves operation ease.
To reach the purpose, the technical solution of the utility model is：
A kind of liquid nitrogen detection device, including：Ontology, is tube body, and inner wall of end circumferential direction sets step；At least one conversion
Body is inserted in the ontology at the port of one end, and its rear end outer wall projection is securable to the step of the body end step, should
Conversion body sets the central passage of a cone in an axial direction, and import bore is more than outlet bore；It is at least one to be used to detect number of bubbles
The detection sensing device of amount, is set in the ontology, the outlet of the intrinsic conversion body of face；At least one capping, including
One cover body and the liquid nitrogen inlet/outlet pipe positioned at cover body outer end face center；The cover body covers at the body end；An at least backstop
Ball is set in the conversion body central passage, and backstop bulb diameter is more than in conversion body outlet bore and liquid nitrogen inlet/outlet pipe
Diameter.
Further, the conversion body includes, pedestal, ring body, and its rear end outer wall projection is securable to the body end platform
The step of rank；Two hemicones, are inserted in the pedestal, and the central passage of two hemicone synthesis is conical, and two and half
The outer wall of cone and base internal wall are circular conical surface, and thread fitting, are made by two relative movements between hemicone and pedestal
The outlet bore that two hemicones are formed is varistructure.
Preferably, the detection sensing device is infrared scanner.
Preferably, the conversion body central passage inner wall is equipped with for the air pressure sensing of gas pressure in inspection center's channel
Device.
Preferably, the material of the backstop ball is plastics.
The beneficial effects of the utility model：
It is put into transferring box when by liquid nitrogen detection device, is detected and will wave by the rate of volatilization to transfer tank liquid nitrogen
Hair rate is timely transmitted to the master control set in transferring box, convenient for liquid nitrogen is replenished in time in real time in case storage cell pipe damage.
The utility model liquid nitrogen detection device is due to being internally provided with symmetrical liquid nitrogen inlet and outlet, conversion equipment 3, detection sensing
Device turns upside down using the detection for not influencing liquid nitrogen.
The utility model realizes that liquid nitrogen structure of the detecting device is simple, while realizes asking for accuracy detection liquid nitrogen rate of volatilization
Topic reduces security risk, reduces economic loss, improves operation ease.
Description of the drawings
Fig. 1 is the stereogram of the utility model liquid nitrogen detection device embodiment.
Fig. 2 is the vertical view of the utility model liquid nitrogen detection device embodiment.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the three-dimensional exploded view of the utility model liquid nitrogen detection device embodiment.
Specific embodiment
Referring to Fig. 1~Fig. 4, the liquid nitrogen detection device of the utility model, including：
Ontology 1, is tube body, and inner wall of end circumferential direction sets step 101；
Two conversion bodies 2,2 ', are symmetrically inserted in the ontology 1 at the port of both ends, its rear end outer wall projection is securable to
The step (by taking conversion body 2 as an example, similarly hereinafter) of the 1 end step 101 of ontology, the conversion body 2 are set in an axial direction in a cone
Heart channel 21, import bore are more than outlet bore；
Two, for detecting the detection sensing device 3,3 ' of number of bubbles, are set in the ontology 1, in face ontology 1
Conversion body 2 outlet；
Two cappings 4,4 ', capping 4 (by taking capping 4 as an example, similarly hereinafter) is including a cover body 41 and positioned at cover body outer end face center
Liquid nitrogen inlet/outlet pipe 42；The cover body 41 covers at 1 end of ontology；
Two backstop balls 5,5 ' are set in 2 central passage 21 of conversion body, and backstop bulb diameter is more than the conversion body
2 outlet 42 internal diameters of bore and liquid nitrogen inlet/outlet pipe.
Further, the conversion body 2 includes,
Pedestal 22, ring body, its rear end outer wall projection are securable to the step of the body end step；
Two hemicones 23,24, are inserted in the pedestal 22, and the central passage 21 that two hemicones 23,24 synthesize is
Cone, the outer wall and 22 inner wall of pedestal of two hemicones 23,24 are circular conical surface, and thread fitting, pass through two hemicones
23rd, the outlet bore that the relative movement between 24 and pedestal 22 forms two hemicones 23,24 is varistructure.
Preferably, the detection sensing device 3 is infrared scanner.
Preferably, 2 central passage of conversion body, 21 inner wall is equipped with for the air pressure of gas pressure in inspection center's channel
Sensor.
Preferably, the material of the backstop ball 5 is plastics.
Liquid nitrogen detection device is put into transferring box, detection sensing dress by the operating method of the utility model liquid nitrogen detection device
Put access transferring box control circuit；When transferring box carries the gasification during transfer tank turns in transit, volatilized in transfer tank
Liquid nitrogen is imported and exported by the liquid nitrogen of liquid nitrogen detection device body bottom portion to be entered, and passes through the conversion mouth discharge bubble of conversion body, institute
Bubble is stated by detection sensing device identifies and detects the rate of volatilization of liquid nitrogen, last bubble covers top from detection device ontology
Liquid nitrogen inlet and outlet discharge, the rate of volatilization of liquid nitrogen is observed by control device in transferring box.
Claims (5)
1. a kind of liquid nitrogen detection device, which is characterized in that including：
Ontology, is tube body, and inner wall of end circumferential direction sets step；
At least one conversion body is inserted in the ontology at the port of one end, and its rear end outer wall projection is securable to the ontology
The step of end step, the conversion body set the central passage of a cone in an axial direction, and import bore is more than outlet bore；
At least one detection sensing device for being used to detect number of bubbles, is set in the ontology, the intrinsic conversion of face
The outlet of body；
At least one capping, the liquid nitrogen inlet/outlet pipe including a cover body and positioned at cover body outer end face center；The cover body covers at institute
State body end；
An at least backstop ball is set in the conversion body central passage, and backstop bulb diameter is more than the conversion body and exports bore
Bore is passed in and out with liquid nitrogen.
2. liquid nitrogen detection device as described in claim 1, which is characterized in that the conversion body includes,
Pedestal, ring body, its rear end outer wall projection are securable to the step of the body end step；
Two hemicones, are inserted in the pedestal, and the central passage of two hemicones synthesis is cone, two hemicones
Outer wall and base internal wall are circular conical surface, and thread fitting, make two and half by two relative movements between hemicone and pedestal
The outlet bore that cone is formed is varistructure.
3. liquid nitrogen detection device as described in claim 1, which is characterized in that the detection sensing device is infrared scanner.
4. liquid nitrogen detection device as claimed in claim 1 or 2, which is characterized in that the conversion body central passage inner wall is equipped with
For the baroceptor of gas pressure in inspection center's channel.
5. liquid nitrogen detection device as described in claim 1, which is characterized in that the material of the backstop ball is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612774.5U CN207569530U (en) | 2017-11-28 | 2017-11-28 | A kind of liquid nitrogen detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721612774.5U CN207569530U (en) | 2017-11-28 | 2017-11-28 | A kind of liquid nitrogen detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207569530U true CN207569530U (en) | 2018-07-03 |
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ID=62688513
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721612774.5U Active CN207569530U (en) | 2017-11-28 | 2017-11-28 | A kind of liquid nitrogen detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180397A (en) * | 2017-11-28 | 2018-06-19 | 上海原能细胞生物低温设备有限公司 | A kind of liquid nitrogen detection device and its operating method |
-
2017
- 2017-11-28 CN CN201721612774.5U patent/CN207569530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180397A (en) * | 2017-11-28 | 2018-06-19 | 上海原能细胞生物低温设备有限公司 | A kind of liquid nitrogen detection device and its operating method |
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