CN201203458Y - Water-proof anti-scaling water level sensor - Google Patents
Water-proof anti-scaling water level sensor Download PDFInfo
- Publication number
- CN201203458Y CN201203458Y CNU2008200221127U CN200820022112U CN201203458Y CN 201203458 Y CN201203458 Y CN 201203458Y CN U2008200221127 U CNU2008200221127 U CN U2008200221127U CN 200820022112 U CN200820022112 U CN 200820022112U CN 201203458 Y CN201203458 Y CN 201203458Y
- Authority
- CN
- China
- Prior art keywords
- silica gel
- signal lead
- level electrode
- electrode
- holder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000741 silica gel Substances 0.000 claims abstract description 45
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 45
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 18
- 239000010935 stainless steel Substances 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 229960001866 silicon dioxide Drugs 0.000 claims description 39
- 238000004080 punching Methods 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000000499 gel Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
A waterproof and scale prevention water level sensor comprises a water level electrode and a bracket characterized in that the bracket includes a vertical stainless steel pole, a signal lead electrically connected to the water electrode is fixed on the stainless steel pole through a double-wall pyrocondensation pipe, each water level electrode is hung on the stainless steel pole through the signal lead; the joint of the water electrode and the signal lead is sealed by silica gel; the bottom end of the stainless steel pole is fixed on a connector, the slipknot cap matched with a water tank mouth is arranged on the connector, a silica gel sealing gasket is arranged in the slipknot cap; the lower end of the connector is connected to a fixed seat through an outer thread, a silica gel gasket is arranged between the fixed seat and the connector; the signal leads of the water level electrode correspondingly pass through a plurality of perforations arranged on the silica gel gasket, and are educed outside of the fixed seat; a public electrode lead together with the signal lead of each water level electrode passes a silica gel jacket, and the silica gel jacket is connected to the inferior of the fixed seat. The sealing of the water level sensor is good capable of preventing the water fouling from growing on the water level electrode, the measurement is accurate and the error is small.
Description
Technical field
The utility model relates to a kind of parts of measuring water level, specifically a kind of level sensor of waterproof antiscale.
Background technology
At present, for solving the problem of measuring water level in the water, most of producers adopt electrode point type level sensor.But the sealing problem of level electrode, signal wire is perplexing numerous sensor research staff always; Because the breathing capillarity of signal wire makes signal wire by vapour corrosion, resistance increases even corrosion break signal line, directly causes control assembly malfunctioning again.China's water quality differs in addition, and the quality problem in a lot of areas is very serious, and incrustation scale brings a lot of troubles to sensor, and incrustation scale causes the sensor senses water level inaccurate attached on the electrode, so the waterproof antiscale measure of level electrode just should be noted emphatically.As the level sensor that contacts with water, general disposal route is to overlap live electrode with silicone tube, fluid sealant such as filling silica gel prevents that into water corrodes again, prevent incrustation scale by silica gel sensor or processing of circuit, but because the problem of aging of silicone tube and filling gel, therefore the validity problem of circuit can not solve the waterproof antiscale problem of level sensor at all.
The utility model content
In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model provides a kind of level sensor of waterproof antiscale, its positiver sealing, and waterproof, antiscaling effect are good, safe and reliable.
For addressing the above problem, the utility model by the following technical solutions: the level sensor of waterproof antiscale, comprise a plurality of level electrodes, support, described level electrode is provided with along the support axially spaced-apart; Described support comprises a vertical stainless steel, and the signal lead that is electrically connected with each level electrode is fixed on the stainless steel by the double wall heat draw, and each level electrode is hung on stainless steel by the signal lead that connects separately; Silica gel sealing is passed through in level electrode and signal lead junction; The bottom of described stainless steel is fixed on the web member, and described web member upper end is provided with the slip-knot cap that is connected with tank port, and the slip-knot cap is built-in with the silica gel sealing pad; The lower end of web member is connected with holder by external thread, is provided with silicagel pad between holder and the web member; The signal lead of level electrode passes a plurality of perforation that are arranged on this silicagel pad one to one, and leads to outside the holder; Holder is provided with a tapped blind hole, and an end of public electrode lead-in wire is crimped in this tapped blind hole with screw; The signal lead of the other end and each level electrode passes a silica gel sheath jointly, and described silica gel sheath is connected the below of holder.
As further technical scheme of the present utility model:
In this level sensor, be provided with a blind hole inner chamber in the described level electrode, signal lead stretches in this inner chamber and with internal chamber wall and is electrically connected; Be nested with the silica gel sheath of sealing usefulness on the signal lead, silica gel sheath is arranged in the inner chamber of level electrode; Described lumen openings end is interior by the punching press cover that is threaded; Coat silicon rubber cup in level electrode lumen openings end, punching press cover and signal lead joint portion, filling gel sealing in this silicon rubber cup.
The outside surface multiple tracks groove of described holder, the inside surface of silica gel sheath upper port is provided with the projection that matches with the holder groove.
The beneficial effects of the utility model are: its good airproof performance, can prevent scaling on level electrode, guarantee that sensor measurement is accurate, error is little, and long service life, its structure is also very simple, be easy to characteristics such as processing, little, the easy to use, safe coefficient height of volume, thoroughly avoided bringing level sensor water inlet and incrustation scale to adhere to, thereby caused testing inaccurate problem because of the erosion of surrounding medium.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model middle water level electrode and signal lead syndeton synoptic diagram,
Fig. 3 is the structural representation that has the silicagel pad of perforation in the utility model;
Among the figure: 1 stainless steel, 2 slip-knot caps, 3 annular silicagel pad, 4 web members, 5 silica gel sheaths, 6 silicagel pad, 61 perforation, 7 holders, 8 level electrodes, 9 silicon rubber cups, the 10 double wall heat draws, 11 signal leads, 12 silica gel sheaths, 13 punching press covers, 14 inner chambers, 15 public electrodes lead-in wire, 16 screws.
Embodiment
As shown in Figure 1, the level sensor of this waterproof antiscale comprises a plurality of level electrodes 8, support.Support comprises the vertical solid stainless steel 1 that is provided with of φ 3mm, the web member 4 that the silver brazing of stainless steel bottom connects.Level electrode 8 is along stainless steel 1 axially spaced-apart setting.The signal lead 11 that is electrically connected with each level electrode is fixed on the stainless steel 1 by the double wall heat draw 10, and the double wall heat draw is a prior art.Each level electrode 8 is hung on stainless steel 1 by the signal lead 11 that connects separately.Level electrode 8 can rock like this, thereby can prevent that incrustation scale condenses on the level electrode 8.
As shown in Figure 2, be provided with an inner chamber 14 in each level electrode 8, inner chamber 14 is a blind hole, and signal lead 11 stretches in the inner chamber 14 and with internal chamber wall and is electrically connected.Be nested with the silica gel sheath 12 of sealing usefulness on the signal lead 11, silica gel sheath 12 is arranged in the inner chamber 14 of level electrode.Overlap 13 by the punching press that is threaded in inner chamber 14 openends.Turn punching press cover 13, punching press cover 13 is moved to inner chamber 14 bottoms, punching press cover 13 will push silica gel sheath 12, and silica gel sheath 12 axially is squeezed, and radially will produce expansion, promptly realizes sealing function.Coat silicon rubber cup 9 in level electrode inner chamber 14 openends, punching press cover 13 and signal lead 11 joint portions, filling gel encapsulation in this silicon rubber cup 9.By silica gel level electrode and signal lead junction are sealed like this, waterproof enters.
Web member 4 upper ends are provided with the slip-knot cap 2 that is connected with tank port, and slip-knot cap 2 is built-in with silica gel sealing pad 3.The lower end of web member 4 is connected with holder 7 by external thread, is provided with silicagel pad 6 between holder 7 and the web member 4.
Silicagel pad is provided with a plurality of perforation, as shown in Figure 3.The signal lead 11 of level electrode passes a plurality of perforation 61 that are arranged on the silicagel pad 6 one to one, and leads to outside the holder 7.When holder was upwards tightened, silicagel pad 6 was subjected to axial compression, so radially expand, can make the perforation on the silicagel pad airtight, thereby guaranteed sealing effectiveness.
Holder 7 is provided with a tapped blind hole, and an end of public electrode lead-in wire 15 is crimped in this tapped blind hole with screw 16; The signal lead 11 of the other end and each level electrode passes a silica gel sheath 5 jointly.
The outside surface multiple tracks groove of holder 7, the inside surface of silica gel sheath 5 upper port is provided with the projection that matches with the holder groove.Silica gel sheath 5 is connected below holder by projection and holder 7 grooves.
The utility model is not limited only to above-mentioned embodiment.
Claims (3)
1, the level sensor of waterproof antiscale, comprise a plurality of level electrodes, support, described level electrode is provided with along the support axially spaced-apart, it is characterized in that: described support comprises a vertical stainless steel, the signal lead that is electrically connected with each level electrode is fixed on the stainless steel by the double wall heat draw, and each level electrode is hung on stainless steel by the signal lead that connects separately; Silica gel sealing is passed through in level electrode and signal lead junction; The bottom of described stainless steel is fixed on the web member, and described web member upper end is provided with the slip-knot cap that is connected with tank port, and the slip-knot cap is built-in with the silica gel sealing pad; The lower end of web member is connected with holder by external thread, is provided with silicagel pad between holder and the web member; The signal lead of level electrode passes a plurality of perforation that are arranged on this silicagel pad one to one, and leads to outside the holder; Holder is provided with a tapped blind hole, and an end of public electrode lead-in wire is crimped in this tapped blind hole with screw; The signal lead of the other end and each level electrode passes a silica gel sheath jointly, and described silica gel sheath is connected the below of holder.
2, the level sensor of waterproof antiscale according to claim 1 is characterized in that: be provided with a blind hole inner chamber in the described level electrode, signal lead stretches in this inner chamber and with internal chamber wall and is electrically connected; Be nested with the silica gel sheath of sealing usefulness on the signal lead, silica gel sheath is arranged in the inner chamber of level electrode; Described lumen openings end is interior by the punching press cover that is threaded; Coat silicon rubber cup in level electrode lumen openings end, punching press cover and signal lead joint portion, filling gel sealing in this silicon rubber cup.
3, the level sensor of waterproof antiscale according to claim 1 and 2 is characterized in that: the outside surface multiple tracks groove of described holder, the inside surface of silica gel sheath upper port is provided with the projection that matches with the holder groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200221127U CN201203458Y (en) | 2008-05-09 | 2008-05-09 | Water-proof anti-scaling water level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200221127U CN201203458Y (en) | 2008-05-09 | 2008-05-09 | Water-proof anti-scaling water level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201203458Y true CN201203458Y (en) | 2009-03-04 |
Family
ID=40425771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200221127U Expired - Fee Related CN201203458Y (en) | 2008-05-09 | 2008-05-09 | Water-proof anti-scaling water level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201203458Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203179A (en) * | 2015-10-28 | 2015-12-30 | 苏州固特斯电子科技有限公司 | Waterproof sensor |
| CN108759976A (en) * | 2018-05-30 | 2018-11-06 | 山东桑乐太阳能有限公司 | A kind of water level sensor |
| WO2021023386A1 (en) * | 2019-08-08 | 2021-02-11 | Vega Grieshaber Kg | Filling level or limit level measuring device and use of gels in said type of measuring devices |
| CN113091849A (en) * | 2021-05-03 | 2021-07-09 | 北京红岸水滴科技发展有限公司 | Water level electrode sensor and steam generation equipment |
| CN114001797A (en) * | 2021-10-25 | 2022-02-01 | 中航通飞华南飞机工业有限公司 | Water tank water amount measuring system and method based on large fire-fighting aircraft |
-
2008
- 2008-05-09 CN CNU2008200221127U patent/CN201203458Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203179A (en) * | 2015-10-28 | 2015-12-30 | 苏州固特斯电子科技有限公司 | Waterproof sensor |
| CN108759976A (en) * | 2018-05-30 | 2018-11-06 | 山东桑乐太阳能有限公司 | A kind of water level sensor |
| WO2021023386A1 (en) * | 2019-08-08 | 2021-02-11 | Vega Grieshaber Kg | Filling level or limit level measuring device and use of gels in said type of measuring devices |
| CN113091849A (en) * | 2021-05-03 | 2021-07-09 | 北京红岸水滴科技发展有限公司 | Water level electrode sensor and steam generation equipment |
| CN114001797A (en) * | 2021-10-25 | 2022-02-01 | 中航通飞华南飞机工业有限公司 | Water tank water amount measuring system and method based on large fire-fighting aircraft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20100509 |