CN108534864A - A kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protection header structure and its method - Google Patents
A kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protection header structure and its method Download PDFInfo
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- CN108534864A CN108534864A CN201810336715.2A CN201810336715A CN108534864A CN 108534864 A CN108534864 A CN 108534864A CN 201810336715 A CN201810336715 A CN 201810336715A CN 108534864 A CN108534864 A CN 108534864A
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- Prior art keywords
- hydraulic pressure
- level sensor
- film
- type hydraulic
- pressure sensor
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Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000523 sample Substances 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003673 groundwater Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920006351 engineering plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 abstract 1
- 239000010409 thin film Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 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
- G01F23/14—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 measurement of pressure
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention provides a kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensors to protect header structure, for protecting hydraulic pressure thin film sensor.The structure includes：Level sensor is popped one's head in; film-type hydraulic pressure sensor; rubber protecting jacket and hollow out protective cover; wherein; the film-type hydraulic pressure sensor is mounted on the level sensor and pops one's head in internal and be located at the end that level sensor is popped one's head in, and the root of the rubber protecting jacket is connect with the end part seal that level sensor is popped one's head in, and is filled inside the rubber protecting jacket and does not generate incrustation scale and free from corrosion liquid; the hollow out protective cover 5 is sleeved on the outside of the rubber protecting jacket, and is fixedly connected with the shell of level sensor probe.Thus underground water does not experience film contacts with hydraulic pressure, in its surface corrosion or can not form incrustation scale, increase water level sensor service life.When water level sensor can not work normally, hollow out protective cover can be removed, rubber sleeve is replaced, water level sensor need not be repaired, can greatly reduce maintenance, repair cost.
Description
Technical field
Structure is protected the present invention relates to a kind of film-type hydraulic pressure sensor more particularly to a kind of for the anti-of hydraulic pressure sensor
Structure and its method are protected outside the water-level probe of corrosion scale-deposit-preventing.
Background technology
In hydrological observation, geophysics and geodesic survey, it is often necessary to continuously be measured level of ground water.This is a kind of
Water level sensor generally uses membrane-type pressure sensors, i.e., water level sensor is placed on water level line hereinafter, using metal or again
Film made of condensation material experiences variation in water pressure, to achieve the purpose that measure SEA LEVEL VARIATION.But due to quality of groundwater difference
Very big, the poor area of some water quality, underground impurities in water is more to be easy to form incrustation scale, or even with certain corrosivity, long
Phase observation is easy to form precision and the sensitivity of hardened incrustation scale influence level measuring in film surface, and What is more to corrode
Film is damaged, makes water level sensor that can not work.
Invention content
Based on above-mentioned the problems of the prior art, by the present invention in that being existed with soft plastic, extendable rubber protecting jacket
The hydraulic pressure sense film of water level sensor is protected while transmitting hydraulic pressure, makes underground water can not be in sense film surface shape
At incrustation scale and corrosion.
One aspect of the present invention is to provide a kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protection header structure, packet
It includes：Level sensor is popped one's head in, film-type hydraulic pressure sensor, rubber protecting jacket and hollow out protective cover, wherein the film-type hydraulic pressure passes
It is internal and positioned at the end of level sensor probe that sensor is mounted on level sensor probe, the root of the rubber protecting jacket with
The end part seal connection of level sensor probe, rubber protecting jacket inside filling do not generate incrustation scale and free from corrosion liquid, institute
The outside that hollow out protective cover is sleeved on the rubber protecting jacket is stated, and is fixedly connected with the shell of level sensor probe.
Preferably, the root of rubber protecting jacket has "O"-ring, has in the end enclosure of the level sensor probe
"O"-ring seal groove, the "O"-ring coordinates with the "O"-ring seal groove, to play the role of sealed connection.
Preferably, the rubber protecting jacket is soft plastic extensible material, and internal liquid is pure water, with to thin
The film transfer ground water pressure of membranous type hydraulic pressure sensor.
Preferably, the hollow out protective cover is made of anticorrosive engineering plastics, and lower part has hole, is flowed into for underground water.
Preferably, the hollow out protective cover is sleeved on the shell of level sensor probe, and passes through mounting screw and the water
Position sensing probe is fixedly connected.
Preferably, the hollow out protective cover is configured to the "O"-ring of the rubber protecting jacket root being pressed on water level
In "O"-ring seal groove on sensing probe shell, the effect that "O"-ring compresses sealing with "O"-ring seal groove is formed, simultaneously
Protection rubber protecting jacket prevents its breakage.
Another aspect of the present invention is to provide a kind of method of protective film type hydraulic pressure sensor, can make its waterproof
Dirty anti-corrosion, the rich model hydraulic pressure sensor are mounted on level sensor probe inside and positioned at the end of level sensor probe
Portion, the guard method include the following steps：Step 1：It will be injected in rubber protecting jacket and do not generate incrustation scale and free from corrosion liquid, institute
It is pure water to state liquid；Step 2：The rubber protecting jacket for injecting liquid is sleeved in the end enclosure of level sensor probe, setting
"O"-ring in protective case root is strangled in the "O"-ring seal groove being arranged on water-level probe shell, and gently squeezes rubber
Set makes inner air all be discharged；Step 3：By hollow out protective cover set be inserted in level sensor probe shell on, and be configured to by
The "O"-ring of rubber protecting jacket root is pressed in the "O"-ring seal groove on water-level probe shell；Step 4：It will with fixing piece
Hollow out protective cover is fixedly connected with level sensor probe.
Preferably, the fixing piece is mounting screw.
Preferably, the liquid is pure water.
Scheme according to the present invention, due to rubber sleeve soft surface and extending, by pure water in set, ground water pressure can
It is transmitted to the sense film surface of water level sensor, while underground water is not contacted with colorimetric sensor films, therefore will not be thin in sensing
Film surface forms hardened incrustation scale or corrosion sense film.Even if underground water forms hardened incrustation scale on rubber sleeve, due to rubber
Glue material itself is soft plastic, therefore unless hardened reach certain thickness and area, does not otherwise interfere with normal observation, therefore increase
Water level sensor usage time is added；When the hardened thickness of incrustation scale and area reache a certain level, make rubber sleeve that can not extend transmission
Hydraulic pressure when water level sensor can not work normally, can remove hollow out protective cover, replace rubber sleeve, need not repair level sensor
Device can greatly reduce maintenance, repair cost.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the diagrammatic cross-section that scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protects header structure.
Specific implementation mode
Embodiments of the present invention are explained below with reference to Figure of description.It should be noted that this specification
In involved embodiment be not exhausted, do not represent unique embodiment of the present invention.Corresponding embodiment is below
In order to clearly illustrate the invention content of patent of the present invention, not to the restriction to embodiments thereof.For the common of the field
For technical staff, various forms of variations and change can also be made on the basis of such embodiment illustrates, it is every to belong to
The technical concept and invention content and obvious changes or variations of the present invention is also within protection scope of the present invention.
The anti-anti-corrosion film-type hydraulic pressure sensor of scale-deposit-preventing as shown in Figure 1 protects header structure, is used for protective film type water
The level measuring of pressure sensor is popped one's head in.The protection header structure includes level sensor probe 9, film-type hydraulic pressure sensor 1, root tool
There is hollow out protective cover 5 made of protective case 2 and anticorrosive engineering plastics made of the anticorrosive rubber of "O"-ring.2 He of protective case
Hollow out protective cover 5 can also be made of other corrosion-resistant materials.
Rubber film type hydraulic pressure sensor 1 is mounted on 9 inside of level sensor probe and positioned at the end of level sensor probe 9
Or near end, it is outside that the hydraulic pressure of rubber film type hydraulic pressure sensor 1 experiences film 1a.Root (the opening of rubber protecting jacket 2
Portion) have " O " type sealing ring 3, level sensor pop one's head in 9 end enclosures on be provided with "O"-ring seal groove 4, the "O"-ring 3 with
"O"-ring seal groove 4 coordinates, to play the role of sealed connection.In preferred embodiment, the root of rubber protecting jacket 2 is included
" O " type sealing ring, is integrated with rubber protecting jacket 2.2 inside of rubber protecting jacket is filled with liquid 6.The liquid can be pure
Water or other do not generate incrustation scale and free from corrosion liquid.Hollow out protective cover 5 made of anticorrosive engineering plastics, lower part have hollow out
At least one hole 7, for making underground water flow into.Preferably, multiple evenly arranged holes 7 can be arranged.Hollow out protective cover 5 simultaneously
Set is inserted on the shell of level sensor probe 9, and using the fixing piece such as mounting screw 8 by hollow out protective cover 5 and water level
The shell of sensing probe 9 is fixedly connected.Also, hollow out protective cover 5 is arranged to " O " type with 2 root of rubber protecting jacket
Circle 3 is pressed in the "O"-ring seal groove 4 on the shell of water-level probe 9, is formed "O"-ring 3 and is compressed with "O"-ring seal groove 4
The effect of sealing, while rubber protecting jacket 2 being protected to prevent it from breakage is occurred by outer force effect.
The method that a kind of protective film type hydraulic pressure sensor of the present invention is described below, can make film type sensor scale-deposit-preventing
Anti-corrosion.The film-type hydraulic pressure sensor 1 is mounted on 9 inside of level sensor probe and positioned at the end of level sensor probe
Or near end.This method comprises the following steps：
Step 1：Pure water 6 first will be injected in rubber protecting jacket 2 or other do not generate incrustation scale and free from corrosion liquid.Step
2：Rubber protecting jacket 2 is sleeved on the shell of level sensor probe 9 again, 3 Le of "O"-ring in 2 root of protective case is set and enters to set
It sets in the "O"-ring seal groove 4 on water-level probe shell, and gently squeezing rubber sleeve 2 makes inner air all be discharged.Step
3：5 sets of hollow out protective cover is inserted on the shell of level sensor probe 9 again, makes rubber protecting jacket 2 in hollow out protective cover 5, and
And hollow out protective cover 5 is arranged to the "O"-ring being pressed on the "O"-ring 3 of rubber protecting jacket root on water-level probe shell
In seal groove 4.In the step, rubber protecting jacket 2 is protected using hollow out protective cover 7 made of anticorrosive engineering plastics, in order to avoid
Rubber protecting jacket 2 in use is worn or scratches.Hollow out protective cover 5 can be by the "O"-ring 3 of rubber sleeve in seal groove 4 simultaneously
Inside kill fixation.Step 4：Finally use the fixing pieces such as mounting screw 8 by the shell of hollow out protective cover 5 and level sensor probe 9
It is fixedly connected.
Level of ground water in the hole 7 of hollow out protective cover 5 by flowing into as a result, and the pure water through rubber protecting jacket 2 and Qi Nei is by water
The hydraulic pressure that pressure is transmitted to hydraulic pressure sensor 1 is experienced on film 1a, due to the "O"-ring 3 and water-level probe of 2 root of rubber protecting jacket
"O"-ring seal groove 4 on shell forms sealing structure, and underground water is not experienced film 1 with hydraulic pressure and contacted, can not become rusty on its surface
Erosion or formed incrustation scale, even and if underground water forms hardened incrustation scale on rubber sleeve 2, due to rubber material itself it is soft it is plastic,
Extendable characteristic, therefore unless hardened reach certain thickness and area, normal observation is not otherwise interfered with, therefore increase water
Level sensor service life.Further, when the hardened thickness of incrustation scale and area reache a certain level, make rubber protecting jacket 2 can not
Extend and transmit hydraulic pressure, when film-type water level sensor can not work normally, hollow out protective cover 5 can be removed, replace rubber protecting jacket
Set 2 can greatly reduce maintenance, repair cost without repairing water level sensor.
Obviously, those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Invention, and be not used as limitation of the invention, as long as in the spirit of the present invention, to embodiment described above
Variation, modification will all fall within the scope of claims of the present invention.
Claims (9)
1. a kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protects header structure, which is characterized in that including：Level sensor is popped one's head in
(9), film-type hydraulic pressure sensor (1), rubber protecting jacket (2) and hollow out protective cover (5),
Wherein, the film-type hydraulic pressure sensor (1) is mounted on level sensor probe (9) inside and is visited positioned at level sensor
The end of head,
The root of the rubber protecting jacket (2) is connect with the end part seal of level sensor probe (9), in the rubber protecting jacket 2
Portion's filling does not generate incrustation scale and free from corrosion liquid (6),
The hollow out protective cover 5 is sleeved on the outside of the rubber protecting jacket (2), and the shell of (9) of popping one's head in the level sensor
It is fixedly connected.
2. scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor according to claim 1 protects header structure, which is characterized in that rubber
The root of glue protective case (2) has "O"-ring (3), has "O"-ring sealing in the end enclosure of the level sensor probe 9
Slot (4), the "O"-ring (3) coordinates with the "O"-ring seal groove (4), to play the role of sealed connection.
3. scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor according to claim 2 protects header structure, the rubber protection
It is soft plastic extensible material to cover (2), and internal liquid is pure water (6), with to the thin of film-type hydraulic pressure sensor (1)
Film transmits ground water pressure.
4. scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor according to claim 1 protects header structure, which is characterized in that institute
It states hollow out protective cover (5) to be made of anticorrosive engineering plastics, lower part has hole (7), flows into for underground water.
5. scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor according to claim 1 protects header structure, which is characterized in that institute
It states hollow out protective cover (5) to be sleeved on the shell of level sensor probe (9), and is popped one's head in by fixing piece (8) and the level sensor
(9) it is fixedly connected.
6. scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor according to claim 5 protects header structure, which is characterized in that institute
Hollow out protective cover (5) is stated to be configured to the "O"-ring (3) of the rubber protecting jacket (2) root being pressed on level sensor probe
(9) in the "O"-ring seal groove (4) on shell, the effect that "O"-ring (3) compresses sealing with "O"-ring seal groove (4) is formed,
Rubber protecting jacket is protected to prevent its breakage simultaneously.
7. a kind of protective film type hydraulic pressure sensor makes the method for its scale-deposit-preventing anti-corrosion, rich model hydraulic pressure sensor (1) peace
It is internal mounted in level sensor probe (9) and positioned at the end of level sensor probe, which is characterized in that the guard method includes
Following steps：
Step 1：Injection in rubber protecting jacket (2) incrustation scale and free from corrosion liquid (6) are not generated into；
Step 2：The rubber protecting jacket (2) for injecting liquid (6) is sleeved in the end enclosure of level sensor probe (9), setting exists
The "O"-ring (3) of protective case (2) root is strangled in the "O"-ring seal groove (4) being arranged on water-level probe shell, and gently
Squeezing rubber sleeve (2) makes inner air all be discharged；
Step 3：Hollow out protective cover (5) set is inserted on the shell of level sensor probe (9), and is configured to rubber protecting jacket root
The "O"-ring (3) in portion is pressed on the "O"-ring seal groove (4) on water-level probe shell Nei；
Step 4：Hollow out protective cover (5) is fixedly connected with level sensor probe (9) with fixing piece (8).
8. a kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor guard method according to claim 7, which is characterized in that
The fixing piece (8) is mounting screw.
9. a kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor guard method according to claim 7, which is characterized in that
The liquid (6) is pure water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336715.2A CN108534864A (en) | 2018-04-16 | 2018-04-16 | A kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protection header structure and its method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336715.2A CN108534864A (en) | 2018-04-16 | 2018-04-16 | A kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protection header structure and its method |
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| Publication Number | Publication Date |
|---|---|
| CN108534864A true CN108534864A (en) | 2018-09-14 |
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| CN201810336715.2A Pending CN108534864A (en) | 2018-04-16 | 2018-04-16 | A kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protection header structure and its method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108863A (en) * | 2020-01-10 | 2021-07-13 | 横河电机株式会社 | Liquid level indicator with protective cover |
| CN113776623A (en) * | 2021-08-08 | 2021-12-10 | 中国船舶重工集团公司第七一九研究所 | Ship sewage tank liquid level sensor |
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| JP2006170650A (en) * | 2004-12-13 | 2006-06-29 | Kawamoto Densan Kk | Pressure sensor and water level gauge of pressure type |
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| CN208059974U (en) * | 2018-04-16 | 2018-11-06 | 中国地震局地壳应力研究所 | A kind of scale-deposit-preventing anti-corrosion film-type hydraulic pressure sensor protection header structure |
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| US4732042A (en) * | 1986-04-22 | 1988-03-22 | Motorola Inc. | Cast membrane protected pressure sensor |
| JP2006170650A (en) * | 2004-12-13 | 2006-06-29 | Kawamoto Densan Kk | Pressure sensor and water level gauge of pressure type |
| CN201203482Y (en) * | 2008-05-09 | 2009-03-04 | 山东桑乐太阳能有限公司 | Water temperature and water level sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108863A (en) * | 2020-01-10 | 2021-07-13 | 横河电机株式会社 | Liquid level indicator with protective cover |
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| CN113108863B (en) * | 2020-01-10 | 2024-06-07 | 横河电机株式会社 | Liquid level indicator with protective cover |
| CN113776623A (en) * | 2021-08-08 | 2021-12-10 | 中国船舶重工集团公司第七一九研究所 | Ship sewage tank liquid level sensor |
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