CN108254042A - A kind of deep-sea liquid level detecting sensor - Google Patents
A kind of deep-sea liquid level detecting sensor Download PDFInfo
- Publication number
- CN108254042A CN108254042A CN201611243039.1A CN201611243039A CN108254042A CN 108254042 A CN108254042 A CN 108254042A CN 201611243039 A CN201611243039 A CN 201611243039A CN 108254042 A CN108254042 A CN 108254042A
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- China
- Prior art keywords
- liquid level
- float
- bottom base
- top base
- guide rod
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- 239000007788 liquid Substances 0.000 title claims abstract description 43
- 239000013535 sea water Substances 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- G01F23/30—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 floats
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention belongs to oceanic high environment machine electrical testing fields, specifically a kind of deep-sea liquid level detecting sensor, one end of top base is tightly connected with bottom base, forms dry cabin structure with bottom base, the other end is threadedly coupled with required level gauging housing seal, level sensing chip is mounted in bottom base, is isolated with extraneous seawater, and level sensing chip is electrically connected with the underwater electrical connector on bottom base in bottom base；One end of guide rod is connected with top base, the other end is free end, it is cased with float on the guide bar, the lower part of float is equipped with the magnet ring of set on the guide bar, float drives magnet ring to change with seawater liquid level to be measured and move up and down along guide rod, the liquid level information that level sensing chip passes through underwater electrical connector transmission detection.The present invention can be used for measure Seawater, and the extraneous seawater pressure of respective depth can be born, have many advantages, such as level sensing range is big, precision is high, performance is stable, it is compact-sized, it is easy realization, it is at low cost.
Description
Technical field
The invention belongs to oceanic high environment machine electrical testing field, specifically a kind of deep-sea liquid level detecting sensor.
Background technology
At present, submersible plays increasingly important role in fields such as exploration of ocean resources exploitations.In order to complete to dive
The underwater attitude regulation of hydrophone samples or throws own wt variation etc. after carrying in order to compensate for submersible, often carries buoyancy tune
The systems such as section, pass through suction seawater so that submersible regains equilibrium state under water.In this course, it needs to measure
The component of its pressure-proof components internal sea aqueous position.Such liquid level sensor demand is that measurement medium is seawater, is needed used
Parts seawater corrosion resistance；It can accurately, delicately measure the liquid level of Seawater in pressure-resistant cabin；It is extra large when being full of in pressure-resistant cabin
Water, then liquid level sensor need that there is high voltage bearing ability, this pressure and extraneous seawater pressure are identical (maximum value 110MPa).
The motion measurement component of majority liquid level sensor at present, such as floating ball part can not meet the needs of above-mentioned high-voltage-resistant anti-corrosion,
Deep-sea level gauging can not be directly applied to.
Thus develop it is a kind of can be applied to measure Seawater, it is high voltage bearing, have certain precision level sensing
Device has become urgent problem to be solved.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of deep-sea liquid level detecting sensors.The deep-sea liquid level passes
Sensor is simple and compact for structure, stable and reliable for performance, low cost.
The purpose of the present invention is achieved through the following technical solutions：
The present invention includes guide rod, float, magnet ring, top base, bottom base, level sensing chip and underwater electrical connector,
One end of middle top base is tightly connected with bottom base, dry cabin structure, the other end and required level gauging housing is formed with bottom base
Sealing is threadedly coupled, and the level sensing chip is mounted in the bottom base, is isolated with extraneous seawater, the level sensing chip and
Underwater electrical connector on the bottom base is electrically connected in bottom base；The guide rod is located at required level gauging shell
Internal portion, one end are connected with top base, and the other end is free end, and float, the lower part peace of the float are cased on the guide rod
Magnet ring equipped with set on the guide bar, the float drive magnet ring to change with seawater liquid level to be measured and move up and down along guide rod,
The liquid level information that the level sensing chip passes through underwater electrical connector transmission detection；
Wherein：The top base and required level gauging housing right angle setting；The bottom of the float is provided with annular groove, described
Magnet ring is placed in the annular groove, and passes through the lower part that clamp spring is installed on the float；
The other end of the top base is formed with the external screw thread being connect with required level gauging housing, and is surveyed with required liquid level
It measures housing contact surface and is equipped with liquid level sensor sealing O circles；One end of the top base is arranged with pedestal sealing O circles, the pedestal
Sealing O circles are abutted with bottom base inner wall sealing；The top base is affixed by screw with bottom base；The periphery of the top base
It is equipped with the plane convenient for screwing；
The guide rod is the hollow columnar structures of one end open, and one end is inserted by the top base, and with base on this
Seat is affixed.
Advantages of the present invention is with good effect：
1. surveying, liquid level range is big, precision is high.The principle of the invention is magnetostrictive liquid level measuring principle, and detection magnet ring is being led
To the different location of bar, it is translated into different current signals.Seawater liquid level measured by the present invention is 0~1 meter, and maximum is born
Sea water advanced is 11000 meters.
2. performance is stable, safe and reliable.For component of the present invention by voltage-withstand test, material uses 316L not
Become rusty steel, prevents seawater corrosion；Buoyant material uses glass microballoon, and density is low, it is possible to provide bigger buoyancy, and as needed, it can
It selects to the material of pressure-resistant 11000 meters (Quan Haishen)；Magnet ring is installed below float, using large volume float, ensures float
It is movement sensitive on the guide bar, accurate；Underwater electrical connector uses imported product (Subconn companies of the U.S. is in producer), compatible
Property high, dependable performance；Before all deep-sea liquid level sensors come into operation, voltage-withstand test should all be carried out, and provides the qualified report of inspection
It accuses.
3. customization as needed.Different level gauging ranges, different external connection modes, different are selected as needed
Underwater electrical connector defines requirement, different stress levels, more than will not cause to deep-sea liquid level sensor intensity or precision
It influences.
4. it is at low cost, easily realize.Using standard or buyable material or component, processing technology is simple, processing
Required precision is not high, at low cost, easily realizes.
Description of the drawings
Fig. 1 is the internal structure sectional view of the present invention；
Fig. 2 is the vertical view of Fig. 1；
Wherein：1 is guide rod, and 2 be float, and 3 be magnet ring, and 4 be clamp spring, and 5 be top base, and 6 seal O for liquid level sensor
Circle, 7 be screw, and 8 seal O circles for pedestal, and 9 be bottom base, and 10 be level sensing chip, and 11 be underwater electrical connector, and 12 be outer spiral shell
Line, 13 be plane.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the present invention includes guide rod 1, float 2, magnet ring 3, clamp spring 4, top base 5, bottom base 9, liquid
Position detection chip 10 and underwater electrical connector 11, wherein one end of top base 5 are tightly connected with bottom base 9, are formed and done with bottom base 9
Cabin, is pressure-resistance structure, and the other end is threadedly coupled, and right angle setting with required level gauging housing seal.The periphery of top base 5
It is equipped with the plane 13 convenient for screwing.5 one end of top base of the present invention is arranged with pedestal sealing O circles 8, and pedestal sealing O circles 8 are under
9 inner wall sealing of pedestal abuts, and ensures the junction of upper and lower pedestal 5,9 and extraneous sealing；The other end of top base 5 be formed with
The external screw thread 12 of required level gauging housing connection, and with that liquid level sensor is equipped on required level gauging housing contact surface is close
Seal O circles 6；Top base 5 is affixed by the screw 7 of stainless steel with bottom base 9.Level sensing chip 10 be mounted on the bottom base 9 in,
It is isolated with extraneous seawater, level sensing chip 10 is avoided to contact wafer damage after seawater；The level sensing chip 10 is with being mounted on
Underwater electrical connector 11 on bottom base 9 is electrically connected in bottom base 9, i.e. level sensing chip 10 and 11 loose wire of underwater electrical connector
End is by being weldingly connected, 11 external outputting standard current signal 4-20mA of underwater electrical connector, peripheral control unit etc. by with watertight
11 matched watertight cable of connector, you can read corresponding liquid level information.
Guide rod 1 is located at required level gauging enclosure interior, which is the hollow columnar structures of one end open,
One end is inserted by top base 5, and is fixed with the top base 5 using the connection mode of argon arc welding welding, and the other end of guide rod 1 is
Free end.It is cased with float 2 on guide rod 1, float 2 has low-density, high pressure resistant using glass microballoon material (buoyant material)
It is special.The bottom of float 2 is provided with annular groove, and magnet ring 3 is placed in the annular groove, and passes through the lower part that clamp spring 4 is installed on float 2.
The volume of float 2 is sufficiently large, can be that magnet ring 3 provides required enough buoyancy；The volume of float 2 should ensure to provide for magnet ring 3
Buoyancy ensures that float 2 moves flexibly on guide rod 1, does not occur float 2 and 1 catching phenomenon of guide rod again.Float 2 drives
Magnet ring 3 changes with seawater liquid level to be measured and moves up and down along guide rod 1, and level sensing chip 10 is transmitted by underwater electrical connector 11
The liquid level information of detection.
The present invention operation principle be：
Float 2 is glass microballoon material, and density is about 600kg/m3, less than the density of seawater, with being installed on inside
Magnet ring 3 is floated on the water surface always, and increases the volume of float 2 according to actual needs, to provide required bigger buoyancy, is ensured
Movement of the float 2 on guide rod 1 is flexible, does not occur float 2 and 1 catching phenomenon of guide rod.When float 2 as seawater liquid level becomes
Change, when moving up and down along guide rod 1, magnet ring 3 changes relative to the relative position of guide rod 1, utilizes magnetostriction original
Reason, two different magnetic fields, which intersect, generates a strain-pulse signal to accurately measure liquid level.Underwater electrical connector 11 examines liquid level
4~20mA of standard current signal that chip 10 exports is surveyed, is transferred to sensor external, the controller of submersible with watertight by connecing
11 matched watertight cable of plug-in unit, you can read corresponding liquid level information
The present invention assembling process be：
First magnet ring 3 is fitted into float 2, and is fixed using clamp spring 4.Guide rod 1 is connected by argon arc welding welding and pedestal 5
It connects, pedestal sealing O circles 8 are installed on top base 5.By 11 loose wire end of underwater electrical connector and level sensing chip 10 with respect to induction signal
Wire bonding, and be connected through a screw thread and be installed on bottom base 9, it screws.With level sensing chip 10 bottom base 9 with it is upper
Pedestal 5 is connected by screw 7；Finally the present invention is installed vertically in the nacelle of liquid level to be detected.
In conclusion the present invention using magnetostriction principle, employs glass microballoon buoyant material, stainless steel material, resistance to
The special designings such as pedestal, underwater electrical connector are pressed, solve the problems, such as the seawater level gauging of benthoscope, can be high pressure resistant, precision
Height, securely and reliably.
Claims (6)
1. a kind of deep-sea liquid level detecting sensor, it is characterised in that：Including guide rod (1), float (2), magnet ring (3), top base
(5), bottom base (9), level sensing chip (10) and underwater electrical connector (11), wherein one end of top base (5) and bottom base (9)
It is tightly connected, forms dry cabin structure with bottom base (9), the other end is threadedly coupled with required level gauging housing seal, the liquid
Position detection chip (10) is isolated in the bottom base (9), with extraneous seawater, and the level sensing chip (10) is with being mounted on institute
The underwater electrical connector (11) stated on bottom base (9) is electrically connected in bottom base (9)；The guide rod (1) is positioned at required liquid level
Enclosure interior is measured, one end is connected with top base (5), and the other end is free end, and float (2), institute are cased on the guide rod (1)
The lower part for stating float (2) is equipped with the magnet ring (3) being sleeved on guide rod (1), and the float (2) drives magnet ring (3) with sea to be measured
Aqueous position changes and moves up and down along guide rod (1), and the level sensing chip (10) is transmitted by underwater electrical connector (11) and examined
The liquid level information of survey.
2. deep-sea liquid level detecting sensor according to claim 1, it is characterised in that：The top base (5) and required liquid
Position measures housing right angle setting.
3. deep-sea liquid level detecting sensor according to claim 1, it is characterised in that：The bottom of the float (2) is provided with
Annular groove, the magnet ring (3) are placed in the annular groove, and pass through the lower part that clamp spring (4) is installed on the float (2).
4. deep-sea liquid level detecting sensor according to claim 1, it is characterised in that：The other end of the top base (5)
The external screw thread (12) being connect with required level gauging housing is formed with, and with being equipped with liquid level on required level gauging housing contact surface
Sensor sealing O circles (6)；One end of the top base (5) is arranged with pedestal sealing O circles (8), and pedestal sealing O circles (8) are under
Pedestal (9) inner wall sealing abuts；The top base (5) is affixed by screw (7) with bottom base (9).
5. the deep-sea liquid level detecting sensor according to claim 1 or 4, it is characterised in that：The circumference of the top base (5)
Face is equipped with the plane (13) convenient for screwing.
6. deep-sea liquid level detecting sensor according to claim 1, it is characterised in that：The guide rod (1) is opened for one end
The hollow columnar structures of mouth, one end are inserted into, and affixed with the top base (5) by the top base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243039.1A CN108254042A (en) | 2016-12-29 | 2016-12-29 | A kind of deep-sea liquid level detecting sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611243039.1A CN108254042A (en) | 2016-12-29 | 2016-12-29 | A kind of deep-sea liquid level detecting sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254042A true CN108254042A (en) | 2018-07-06 |
Family
ID=62719758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611243039.1A Pending CN108254042A (en) | 2016-12-29 | 2016-12-29 | A kind of deep-sea liquid level detecting sensor |
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| Country | Link |
|---|---|
| CN (1) | CN108254042A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004434A (en) * | 1999-06-23 | 2001-01-12 | Tatsuno Corp | Tank liquid level measuring instrument |
| CN2788152Y (en) * | 2005-04-04 | 2006-06-14 | 太原理工天成科技股份有限公司 | Magnetostrictive liquid level sensor |
| CN201378070Y (en) * | 2009-03-24 | 2010-01-06 | 青岛贵和科技有限公司 | Magnetostrictive liquid level sensor |
| CN201688892U (en) * | 2010-04-22 | 2010-12-29 | 北京航天金泰星测技术有限公司 | Digital magnetostrictive liquid level sensor |
| CN206311174U (en) * | 2016-12-29 | 2017-07-07 | 中国科学院沈阳自动化研究所 | Deep-sea liquid level detecting sensor |
-
2016
- 2016-12-29 CN CN201611243039.1A patent/CN108254042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001004434A (en) * | 1999-06-23 | 2001-01-12 | Tatsuno Corp | Tank liquid level measuring instrument |
| CN2788152Y (en) * | 2005-04-04 | 2006-06-14 | 太原理工天成科技股份有限公司 | Magnetostrictive liquid level sensor |
| CN201378070Y (en) * | 2009-03-24 | 2010-01-06 | 青岛贵和科技有限公司 | Magnetostrictive liquid level sensor |
| CN201688892U (en) * | 2010-04-22 | 2010-12-29 | 北京航天金泰星测技术有限公司 | Digital magnetostrictive liquid level sensor |
| CN206311174U (en) * | 2016-12-29 | 2017-07-07 | 中国科学院沈阳自动化研究所 | Deep-sea liquid level detecting sensor |
Non-Patent Citations (1)
| Title |
|---|
| 盖健: "《海洋高端产业全球创新资源分布路线图》", vol. 1, 31 December 2012, 中国海洋大学出版社, pages: 27 - 33 * |
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