CN208833331U - A kind of built-in liquid nitrogen level monitoring device - Google Patents
A kind of built-in liquid nitrogen level monitoring device Download PDFInfo
- Publication number
- CN208833331U CN208833331U CN201821421540.7U CN201821421540U CN208833331U CN 208833331 U CN208833331 U CN 208833331U CN 201821421540 U CN201821421540 U CN 201821421540U CN 208833331 U CN208833331 U CN 208833331U
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- liquid nitrogen
- chip computer
- stainless steel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to a kind of built-in liquid nitrogen level monitoring devices, including one-chip computer module, wireless module, display module, battery module, plastic lid, foam plugs, stainless steel tube, platinum resistance array, connecting wire；One-chip computer module and battery module are by being fixed in plastic lid upper surface or foam plugs, wireless transmitter module is connected with one-chip computer module, display module is fixed on the upper surface of plastics cap surface, the lower end surface of plastic lid and foam plugs and fixes, stainless steel tube is arranged in foam plugs, stainless steel tube is arranged in far from one end of plastic lid in platinum resistance array, and connecting wire is arranged in stainless steel tube.The present apparatus integrates power supply module and single-chip microcontroller on liquid nitrogen container lid, is not take up space, easy to operate, platinum resistance is not susceptible to be displaced in stainless steel tube, it is hardly damaged, is immersed using multiple platinum resistance interval alinement arrays in the liquid nitrogen of liquid nitrogen container, significantly promote detection accuracy.
Description
Technical field
The utility model relates to liquid level detection device field, specifically a kind of built-in liquid nitrogen level monitoring device.
Background technique
Liquid nitrogen is a kind of liquid substance formed after liquefaction of nitrogen, and temperature is -196 degrees Celsius, can be widely used for saving life
Object sample, fast freezing and low-temperature physics research, are typically maintained in the special container such as liquid nitrogen container, but since liquid nitrogen has volatilization
Characteristic, the liquid nitrogen in container can be reduced slowly, need regularly to open the remaining surplus checked and just can know that liquid nitrogen.Due to liquid nitrogen
Boiling point it is very low, ullage will form aerosol under room temperature, influence to observe, and the method for current detection liquid nitrogen level is generally adopted
It is popped one's head in reload temperature, is alarmed after liquid level is lower than probe positions.
It is had the disadvantage that at present for the monitoring of liquid nitrogen container liquid level: first, it is unable to judge accurately liquid nitrogen container liquid level
Variation；Second, excessively cumbersome, occupied space is installed；Third, platinum resistance are easy to happen displacement, cause monitoring liquid level inaccuracy；The
Four, the person's of being not convenient to use operation be easy to cause connecting line damaged, damage monitoring equipment.
Based on this, it is necessary to for the insufficient technical problem of unlatching protection of the prior art to liquid nitrogen container, data acquisition and
Monitoring problem provides a kind of built-in liquid nitrogen level monitoring device.
Utility model content
The purpose of this utility model is to provide a kind of built-in liquid nitrogen level monitoring device for above-mentioned status.
A kind of the technical solution adopted in the utility model: built-in liquid nitrogen level monitoring device, comprising: one-chip computer module, nothing
Wire module, display module, battery module, plastic lid, foam plugs, stainless steel tube, platinum resistance array, connecting wire；Single-chip microcontroller mould
By being fixed in plastic lid upper surface or bubble foam plugs, wireless module is connected with one-chip computer module, shows for block and battery module
The upper surface that module is fixed on plastics cap surface, the lower end surface of plastic lid and foam plugs is fixed, and stainless steel tube is arranged in foam plugs,
Stainless steel tube is arranged in far from one end of plastic lid in platinum resistance array, and connecting wire is arranged in stainless steel tube, connecting wire one
End is connect with platinum resistance array, and the other end is connect with one-chip computer module, and battery module is connect with one-chip computer module.
The effect of the utility model is: the present apparatus is integrated on liquid nitrogen container lid by power supply module and single-chip microcontroller, does not account for
Easy to operate with space, using the fixed stainless steel tube of foam plugs, platinum resistance is not susceptible to be displaced in stainless steel tube, not rapid wear
It is bad, it is immersed using multiple platinum resistance alinement arrays in the liquid nitrogen of liquid nitrogen container, significantly promotes detection accuracy.
Detailed description of the invention
Fig. 1 show the schematic diagram of the utility model；
Fig. 2 show the schematic diagram of another embodiment of the utility model.
Fig. 3 show the schematic cross-section of stainless steel tube.
In figure: 1 plastic lid, 2 foam plugs, 3 wireless modules, 4 one-chip computer modules, 5 battery modules, 6 water-proof thermal insulation materials, 7
Stainless steel tube, 8 platinum resistance arrays, 9 connecting wires, 10 display modules.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Please refer to Fig. 1, for a kind of schematic diagram of built-in liquid nitrogen level monitoring device provided by the utility model.The built-in liquid
Nitrogen level monitoring device includes: plastic lid 1, foam plugs 2, wireless module 3, one-chip computer module 4, battery module 5, stainless steel tube 7,
Platinum resistance array 8, connecting wire 9, the one-chip computer module 4 and the battery module 5 be fixed on the plastic lid upper surface or
Inside foam plugs, the lower end surface of the plastic lid 1 and the upper surface of the foam plugs 2 are fixed, and the stainless steel tube 7 is arranged in institute
Foam plugs 2 are stated, the platinum resistance array 8 is arranged in the described one end of stainless steel tube 7 far from the plastic lid, and the connection is led
Line 9 is arranged in the stainless steel tube 7, and described 9 one end of connecting wire is connect with the platinum resistance array 8, the other end and the list
Piece machine module 4 connects, and the battery module 5 is connect with the one-chip computer module, the wireless module 3 and the single-chip microcontroller mould
Block 4 connects.
The built-in liquid nitrogen level monitoring device also includes display module 10, and the display module 10 is arranged in the plastics
It is connect on lid 1 and with the one-chip computer module 4.
The built-in liquid nitrogen level monitoring device also includes water-proof thermal insulation material 6, and the water-proof thermal insulation material is arranged in institute
It states outside one-chip computer module 4, the wireless module 3 and the battery module 5.
The platinum resistance array 8 is vertically arranged in the stainless steel tube 7.
The built-in liquid nitrogen level monitoring device also includes an alarm, and the alarm and the one-chip computer module connect
It connects, the alarm receives the signal of the one-chip computer module and sounds an alarm.
The display module 10 uses low-power consumption display module, shows present real-time temperature.
In use, built-in liquid nitrogen level monitoring device is arranged at the liquid nitrogen container mouth, when the liquid level hair in container
When changing, different resistance values are presented from the platinum resistance of lower part in ullage, and one-chip computer module 4 detects the platinum of different location
After the different resistance value of resistance, current fluid level can be obtained by operation in real time, if the liquid level that one-chip computer module 4 obtains
Level is lower than preset value, then single-chip microcontroller sends a signal to the alarm, and the alarm sounds an alarm.
A kind of liquid nitrogen container level monitoring device of the utility model, the present apparatus is by power supply module and single-chip microcontroller integrates and liquid
On nitrogen cascade lid, be not take up space, it is easy to operate, using the fixed stainless steel tube of foam plugs, platinum resistance in stainless steel tube not
It is easily subjected to displacement, is hardly damaged, vary with temperature and the characteristic of resistance change, soaked using multiple platinum resistance alinement arrays
Enter in the liquid nitrogen of liquid nitrogen container, when liquid nitrogen level changes, different platinum resistance variations is different value, utilizes single-chip microcontroller
The resistance value operation read show that accurate level value can set level value alarm threshold value, sends out when liquid level is lower than early warning value
Alarm out.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of built-in liquid nitrogen level monitoring device characterized by comprising one-chip computer module, wireless module, display module,
Battery module, plastic lid, foam plugs, stainless steel tube, platinum resistance array, connecting wire；The one-chip computer module and the battery
Module is fixed on inside the plastic lid upper surface or foam plugs, and the wireless module is connected with one-chip computer module, the display
Module is fixed on plastics cap surface, and the lower end surface of the plastic lid and the upper surface of the foam plugs are fixed, the stainless steel tube
The foam plugs are arranged in, the platinum resistance array is arranged in the one end of the stainless steel tube far from the plastic lid, described
Connecting wire is arranged in the stainless steel tube, and described connecting wire one end is connect with the platinum resistance array, the other end with it is described
One-chip computer module connection, the battery module are connect with the one-chip computer module.
2. liquid nitrogen level monitoring device as described in claim 1 built-in, which is characterized in that the wireless module can will be described
One-chip computer module is sent to exterior terminal by the temperature data that the platinum resistance array monitors in a wireless form.
3. built-in liquid nitrogen level monitoring device as described in claim 1, which is characterized in that the battery module uses chargeable
Battery simultaneously has external charging interface to be attached thereto.
4. liquid nitrogen level monitoring device as described in claim 1 built-in, which is characterized in that the platinum resistance array by one or
Multiple platinum resistance are arranged above and below composition according to different height.
5. built-in liquid nitrogen level monitoring device as described in claim 1, which is characterized in that also include water-proof thermal insulation material, institute
Water-proof thermal insulation material is stated to be arranged in the one-chip computer module, the wireless module and the cell module outer portion.
6. built-in liquid nitrogen level monitoring device as claimed in claim 2, which is characterized in that the built-in liquid nitrogen level monitoring dress
It sets also comprising an alarm, the alarm is connect with the one-chip computer module, and the alarm receives the one-chip computer module
Signal and sound an alarm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421540.7U CN208833331U (en) | 2018-08-31 | 2018-08-31 | A kind of built-in liquid nitrogen level monitoring device |
| PCT/CN2018/117908 WO2020042402A1 (en) | 2018-08-31 | 2018-11-28 | Liquid level monitoring device for built-in liquid nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821421540.7U CN208833331U (en) | 2018-08-31 | 2018-08-31 | A kind of built-in liquid nitrogen level monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208833331U true CN208833331U (en) | 2019-05-07 |
Family
ID=66311572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821421540.7U Active CN208833331U (en) | 2018-08-31 | 2018-08-31 | A kind of built-in liquid nitrogen level monitoring device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208833331U (en) |
| WO (1) | WO2020042402A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664355A (en) * | 2020-06-09 | 2020-09-15 | 广州佰迈起生物科技有限公司 | Liquid nitrogen amount monitoring method, device and system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5842347A (en) * | 1996-10-25 | 1998-12-01 | Sengentrix, Inc. | Method and apparatus for monitoring the level of liquid nitrogen in a cryogenic storage tank |
| US20030177826A1 (en) * | 2002-03-20 | 2003-09-25 | Sobha Adkadkam | Liquid nitrogen level sensor-monitor device using high Tc superconductors and method of manufacture thereof |
| FR2977027B1 (en) * | 2011-06-24 | 2013-07-12 | Dev Electroniques Et Systemes Informatiques Desi | METHOD AND DEVICE FOR DETECTING A PHASE LEVEL IN A CONTAINER |
| CN204420572U (en) * | 2014-12-16 | 2015-06-24 | 江西省银丰鼎诚生物工程有限公司 | A kind of low pressure liquid nitrogen supplying tank |
| CN204348054U (en) * | 2014-12-26 | 2015-05-20 | 华北电力大学 | A kind of long-range liquid nitrogen level monitoring system based on GPRS |
| CN206695866U (en) * | 2017-01-20 | 2017-12-01 | 武汉互创联合科技有限公司 | A kind of level monitoring device suitable for liquid nitrogen container |
| CN207407070U (en) * | 2017-04-13 | 2018-05-25 | 丹氏生物科技成都有限公司 | The online continuous temperature level monitoring device of aluminum liquid nitrogen container |
| CN108177870A (en) * | 2017-11-22 | 2018-06-19 | 无锡伊佩克科技有限公司 | A kind of intelligence chemical barrel |
-
2018
- 2018-08-31 CN CN201821421540.7U patent/CN208833331U/en active Active
- 2018-11-28 WO PCT/CN2018/117908 patent/WO2020042402A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664355A (en) * | 2020-06-09 | 2020-09-15 | 广州佰迈起生物科技有限公司 | Liquid nitrogen amount monitoring method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020042402A1 (en) | 2020-03-05 |
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