CN109387259A - Water-level probe - Google Patents
Water-level probe Download PDFInfo
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- CN109387259A CN109387259A CN201811237482.7A CN201811237482A CN109387259A CN 109387259 A CN109387259 A CN 109387259A CN 201811237482 A CN201811237482 A CN 201811237482A CN 109387259 A CN109387259 A CN 109387259A
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- insulating sleeve
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- water
- probe
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- 239000000523 sample Substances 0.000 title claims abstract description 107
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000007789 sealing Methods 0.000 claims description 65
- 238000005259 measurement Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- 238000003466 welding Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 230000006378 damage Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920002530 polyetherether ketone Polymers 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 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
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- G01F23/22—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
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention relates to water level detecting equipment technical fields, provide a kind of water-level probe, including electrode assembly, junction box assembly and connector body；Electrode assembly includes probe cap, first electrode core, the first insulating sleeve and electrode tip holder；One end of first insulating sleeve is connect with probe cap, and the other end is connect with electrode tip holder；Electrode tip holder and the first insulating sleeve are hollow structure, connecting hole is offered on probe cap, one end of first electrode core is successively plugged in electrode tip holder, the first insulating sleeve and probe cap, the other end of first electrode core is electrically connected with junction box assembly, and one end of electrode tip holder one end and junction box assembly far from probe cap is tightly connected；The other end of junction box assembly is electrically connected with connector body.Water-level probe provided by the invention can directly contact measured solution to avoid first electrode core, improve the corrosion resistance and reliability of the water-level probe by external setting probe cap, the first insulating sleeve and the electrode tip holder in first electrode core.
Description
Technical field
The present invention relates to water level detecting equipment technical fields, more particularly to a kind of water-level probe.
Background technique
In the use process of steam generator, water level measurement system is generally required to the intracorporal water of the tank of steam generator
Position measures monitoring, so that the intracorporal water level of the tank of steam generator keeps good state, wherein water-level probe is as water
The important component of level measuring system be used to measure the intracorporal water level of tank of steam generator.
But water-level probe is easy to cause probe electrode to damage by the intracorporal solution corrosion of tank in use.Electricity connects
Point water-level probe electrode is corroded after perforation, and high-temperature high pressure water enters electrode interior and causes to seal after contacting sealant for a long time
Glue failure, water leak out from the terminal box of water level sensor, cause stress the destruction on boundary.Water level sensor simultaneously
Damage also result in electric contact water level measurement system measurement, display there is mistake, to safety in operation, operation and maintenance band
Security risk is carried out.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of water-level probe, held with solving the prior art or measuring electrode in the related technology
The leak vulnerable to corrosion eventually leads to water-level probe damage, the technology not being available so that water-level probe sealing element fails
Problem.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of water-level probe, including electrode assembly, junction box assembly with
Connector body；Electrode assembly includes probe cap, first electrode core, the first insulating sleeve and electrode tip holder；First insulating sleeve
One end is connect with probe cap, and the other end is connect with electrode tip holder；Electrode tip holder and the first insulating sleeve are hollow structure, on probe cap
Connecting hole is offered, one end of first electrode core is successively plugged in electrode tip holder, the first insulating sleeve and probe cap, first electrode
The other end of core is electrically connected with junction box assembly, and one end of electrode tip holder one end and junction box assembly far from probe cap, which seals, to be connected
It connects；The other end of junction box assembly is electrically connected with connector body.
Wherein, junction box assembly includes the first connecting element, second electrode core and binding post；One end of first connecting element
It is electrically connected with first electrode core, the other end is connect with one end of second electrode core；The other end of second electrode core and binding post
One end connection, the other end of binding post are electrically connected with connector body.
Wherein, junction box assembly further includes the first connecting tube, the second connecting tube and third connecting tube；First connecting tube and the
Two connecting tubes are hollow structure, and the first connecting tube is tightly connected close to one end of probe cap and electrode tip holder, the first connecting tube
The other end is connect with the second connecting tube close to one end of probe cap；The one end of first electrode core far from probe cap is successively plugged on
In one connecting tube and the second connecting tube；First connecting element and second electrode core are respectively positioned in the hollow structure of the second connecting tube；
The lateral wall of the one end of the bottom end of third connecting tube with the second connecting tube far from probe cap is connect, the top of third connecting tube and company
Connect the connection of device socket.
Wherein, which further includes that the second insulating sleeve being arranged in the hollow structure of the second connecting tube and third are exhausted
Edge casing；Second insulating sleeve is set in the outside of the first connecting element, and third insulating sleeve is set in the outer of second electrode core
Portion；Second insulating sleeve and third insulating sleeve connect.
Wherein, which further includes at least one first sealing ring；The lateral wall of third insulating sleeve is at least arranged
There is first groove, the first sealing ring is mounted in the first groove, and inner ring wall and the third insulating sleeve of the first sealing ring connect
Touching, the collar wall of the first sealing ring are contacted with the inner wall of the second connecting tube.
Wherein, which further includes at least one second sealing ring；The lateral wall of second electrode core is at least arranged one
A second groove, the second sealing ring are mounted in the second groove, and the inner ring wall of the second sealing ring is contacted with second electrode core, and second
The collar wall of sealing ring is contacted with the inner wall of third casing.
Wherein, which further includes the 4th insulating sleeve being arranged in the hollow structure of the second connecting tube and sealing
Locking nut；Second electrode core is provided with first boss, one end of third insulating sleeve far from one end outer wall of first electrode core
Outer wall be provided with second boss, the outer wall of one end of the 4th insulating sleeve is provided with third boss, and third insulating sleeve is equipped with
One end of second boss and one end that the 4th insulating sleeve is equipped with third boss are staggered relatively, and first boss is fastened on second boss
Between third boss；The lateral wall of sealing locking nut is connect with the inner thread of the hollow structure of the second connecting tube, is sealed
The inner sidewall of locking nut is contacted with the lateral wall of the 4th insulating sleeve, and the locking end for sealing locking nut connects with third boss
Touching connection；First connecting element is elastic element.
Wherein, which further includes sealing cover and third sealing ring；Sealing cover is mounted on the second connecting tube far from
The end of one connecting tube；Third sealing ring is mounted between the inner wall of the hollow structure of sealing cover and the second connecting tube.
Wherein, which further includes the 5th insulating sleeve；5th insulating sleeve is installed in the hollow structure of electrode tip holder,
5th insulating sleeve is connect with the first insulating sleeve far from one end of probe cap close to one end of probe cap, and the 5th insulating sleeve is remote
One end and electrode tip holder from probe cap are connected far from one end of probe cap, and one end of first electrode core is successively plugged on the 5th insulation
In casing, the first insulating sleeve and probe cap.This case invention also provides a kind of water level measurement system, including above-mentioned water-level probe.
(3) beneficial effect
Water-level probe provided by the invention, by the external setting probe cap of first electrode core, the first insulating sleeve with
Electrode tip holder can directly contact measured solution to avoid first electrode core, so that electrode assembly can preferably cooperate
Junction box assembly and connector body measure water level information, improve the corrosion resistance and reliability of the water-level probe.
Water level measurement system provided by the invention, the beneficial effect having comprising the water-level probe.
Detailed description of the invention
Fig. 1 is the overall structure diagram of one embodiment of water-level probe provided by the invention；
In figure, 1- probe cap；2- first electrode core；The first insulating sleeve of 3-；4- electrode tip holder；5- graphite dentiform gasket；6-
One connecting tube；The first fastening screw of 7-；The second insulating sleeve of 8-；9- third insulating sleeve；The first sealing ring of 10-；The second electricity of 11-
Pole piece；The 4th insulating sleeve of 12-；13- seals locking nut；14- third connecting tube；The second connecting tube of 15-；The sealing of 16- third
Circle；17- sealing cover；The second fastening screw of 18-；19- third fastening screw；20- binding post；The second sealing ring of 21-；22- the 4th
Fastening screw；The first connecting element of 23-；The 5th insulating sleeve of 24-.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, the present invention provides a kind of water-level probe, including electrode assembly, junction box assembly and connector body；
Electrode assembly includes probe cap 1, first electrode core 2, the first insulating sleeve 3 and electrode tip holder 4；One end of first insulating sleeve 3 with
Probe cap 1 connects, and the other end is connect with electrode tip holder 4；Electrode tip holder 4 and the first insulating sleeve 3 are hollow structure, on probe cap 1
Connecting hole is offered, one end of first electrode core 2 is successively plugged in electrode tip holder 4, the first insulating sleeve 3 and probe cap 1, and first
The other end of electrode cores 2 is electrically connected with junction box assembly, one end of electrode tip holder 4 one end and junction box assembly far from probe cap 1
It is tightly connected；The other end of junction box assembly is electrically connected with connector body.
Specifically, for example, the material of probe cap 1 and electrode tip holder 4 can be 316L (00Cr17Ni12Mo2): low-carbon Ovshinsky
Body stainless steel increases Mo element, pitting corrosion resistant performance enhancing, corrosion potential -20~-100mv/SCE；First insulating sleeve can be adopted
With aluminium oxide ceramics, for example, the ratio of aluminium oxide can be 95%；The material of first electrode core 2 can be 316L stainless steel；Its
In, the first insulating sleeve and the junction of probe cap 1 can connect sealing by the way of welding, such as by the first insulating sleeve
It is partially submerged into probe cap 1, then connected seam crossing by the way of Welding；The company of first insulating sleeve and electrode tip holder 4
The place of connecing can connect sealing by the way of welding, such as the first insulating sleeve is partially submerged into electrode tip holder 4, then using soldering
The mode of welding connects seam crossing, and using the welding procedure, the first insulating sleeve has been connect with electrode tip holder and probe cap 1
Come, it is possible to reduce the stress generated when welding also reduces the first insulating sleeve and electrode tip holder and spy in alternating hot and cold environment
Stress between head cap 1 avoids weld seam from snapping and generates crack.For example, can be equal in electrode tip holder 4 and the center of the first insulating sleeve
Through-hole is opened up, so that the inside of electrode tip holder 4 and the first insulating sleeve forms hollow structure, it is hollow that first electrode core 2 is plugged on this
In structure, first electrode core 2 contacts with electrode tip holder 4 and causes short circuit in order to prevent, can be by the ratio of the diameter design of through-hole
The diameter of one electrode cores 2 is slightly larger, so that there are certain gaps between first electrode core 2 and electrode tip holder 4；It can be
External screw thread is arranged in one end that one electrode cores 2 are connect with probe cap 1, and internal screw thread is arranged in the connecting hole on probe cap 1, so that the
It realizes and is threadedly coupled between one electrode cores 2 and probe cap 1；It is tightly connected, can prevent outer between electrode tip holder 4 and junction box assembly
The solution in portion enters inside water-level probe；One end of separate probe cap 1 and one end of junction box assembly of first electrode core 2 are electrically connected
It connects, the other end of junction box assembly is electrically connected with connector body.
When needing to carry out level measuring, one is respectively arranged in the both ends arrangement of the same horizontal plane of steam generator
The water-level probe, in the electrode assembly partial insertion water level measuring cylinder of water-level probe, the tail portion of two water-level probes passes through respectively
Respective connector body is connect with wiring board, when the electrode assembly of two water-level probes is flooded by solution, detection circuit quilt
Conducting；When the position where the electrode assembly of two water-level probes does not have solution, then detection circuit is in an off state；Example
Such as, ten measurement points can be set on level measuring pipe, carry out sensed water level information.
Water-level probe provided by the invention, by the external setting probe cap of first electrode core, the first insulating sleeve with
Electrode tip holder can directly contact measured solution to avoid first electrode core, so that electrode assembly can preferably cooperate
Junction box assembly and connector body measure water level information, improve the corrosion resistance and reliability of the water-level probe.
Further, junction box assembly includes the first connecting element 23, second electrode core 11 and binding post 20；First connection
One end of element 23 is electrically connected with first electrode core 2, and the other end is connect with one end of second electrode core 11；Second electrode core 11
The other end is connect with one end of binding post 20, and the other end of binding post 20 is electrically connected with connector body.Specifically, for example,
One connecting element 23 can be with conducting wire, or spring, the first connecting element 23 and first electrode core 2 and second electrode core 11
Junction can be connected and fixed using the 4th fastening screw 22；For example, can be in the connection of second electrode core 11 and binding post 20
External screw thread is arranged in the connecting pin of binding post 20 and second electrode core 11 in setting internal screw thread in end so that second electrode core 11 with connect
Terminal 20 is connected through a screw thread fixation；For example, binding post 20 can be connect with connector body using connecting line, it can be in wiring
Third fastening screw 19 is arranged far from the end of second electrode core 11 in column 20, and connecting line is fixed on to the end of binding post 20；Its
In, second electrode core 11, binding post 20, third fastening screw 19 and the 4th fastening screw 22 can use the stainless steel of 316L
At to improve the corrosion resistance of the water-level probe.
Further, junction box assembly further includes the first connecting tube 6, the second connecting tube 15 and third connecting tube 14；First
Connecting tube 6 and the second connecting tube 15 are hollow structure, and the first connecting tube 6 connects close to one end of probe cap 1 and the sealing of electrode tip holder 4
It connects, the other end of the first connecting tube 6 is connect with the second connecting tube 15 close to one end of probe cap 1；First electrode core 2 is far from probe
One end of cap 1 is successively plugged in the first connecting tube 6 and the second connecting tube 15；First connecting element 23 and second electrode core 11 are equal
In the hollow structure of the second connecting tube 15；The bottom end of third connecting tube 14 and the second connecting tube 15 far from probe cap 1 one
The lateral wall at end connects, and the top of third connecting tube 14 is connect with connector body.Specifically, for example, the first connecting tube 6,
Two connecting tubes 15 and third connecting tube 14 can be made of 316L stainless steel；For example, the second connecting tube 15 is connect with third
It can be connected by the way of welding between pipe 14；For example, can be using the first fastening between the first connecting tube 6 and electrode tip holder 4
Screw 7 connects, and in order to improve the leakproofness of the junction, can install graphite dentiform gasket 5 in seam crossing；Second connecting tube 15 with
The connection type of third connecting tube 14 can be threaded connection, or welding；Wherein it is possible in third connecting tube 14
Through-hole is arranged in portion, and connector body is planted in the through hole.So set, can be to first electrode core 2 and second
Electrode cores 11 play a protective role.
Further, which further includes the second insulating sleeve 8 being arranged in the hollow structure of the second connecting tube 15
And third insulating sleeve 9；Second insulating sleeve 8 is set in the outside of the first connecting element 23, and third insulating sleeve 9 is set in
The outside of two electrode cores 11；Second insulating sleeve 8 is connected with third insulating sleeve 9.Specifically, for example, the second insulation sleeve
The material of pipe 8 can be aluminium oxide ceramics, for example, the ratio of aluminium oxide can be 95%, such setting can both can be internal
First connecting element 23 in portion plays a certain protective role, be also possible to prevent the first connecting element 23 and the first connecting tube 6 or
The contact of second connecting tube 15, causes short circuit；The material of third insulating sleeve 9 can be PI (Polyimide, polyimides), such as
This setting, while protecting second electrode core 11, avoids second electrode core 11 from contacting with the second connecting tube 15, causes short circuit.
Further, which further includes at least one first sealing ring 10；The lateral wall of third insulating sleeve 9 is extremely
It is provided with first groove less, the first sealing ring 10 is mounted in the first groove, the inner ring wall and third of the first sealing ring 10
Insulating sleeve 9 contacts, and the collar wall of the first sealing ring 10 is contacted with the inner wall of the second connecting tube 15.It specifically, for example, can be
Two the first grooves are arranged in the outer wall of third insulating sleeve 9, for example, the first groove is annular recess；For example, the first sealing ring 10
Material can be silicon rubber, the first sealing ring 10 is mounted in the first groove, is used to connect third insulating sleeve 9 with second
The junction of pipe 15 is sealed.
Further, which further includes at least one second sealing ring 21；The lateral wall of second electrode core 11 is extremely
One the second groove is set less, and the second sealing ring 21 is mounted in the second groove, the inner ring wall of the second sealing ring 21 and the second electricity
Pole piece 11 contacts, and the collar wall of the second sealing ring 21 is contacted with the inner wall of third casing.It specifically, for example, can be in the second electricity
The outer wall of pole piece 11 opens up two the second grooves, for example, the second groove is annular recess；The material of second sealing ring 21 can be
Silicon rubber, the second sealing ring 21 is mounted in the second groove, for the junction to third insulating sleeve 9 and second electrode core 11
It is sealed.
Further, which further includes the 4th insulating sleeve being arranged in the hollow structure of the second connecting tube 15
12 and sealing locking nut 13；Second electrode core 11 is provided with first boss far from one end outer wall of first electrode core 2, and third is exhausted
The outer wall of one end of edge casing 9 is provided with second boss, and the outer wall of one end of the 4th insulating sleeve 12 is provided with third boss, the
One end that three insulating sleeves 9 are equipped with one end of second boss and the 4th insulating sleeve 12 is equipped with third boss is staggered relatively, and first
Boss is fastened between second boss and third boss；Seal the lateral wall of locking nut 13 and the hollow knot of the second connecting tube 15
The inner thread of structure connects, and the inner sidewall of sealing locking nut 13 is contacted with the lateral wall of the 4th insulating sleeve 12, and dense block
The locking end and third boss of tight nut 13 connect；First connecting element 23 is elastic element.Specifically, the 4th insulation sleeve
The material of pipe 12 can be PEEK (polyetheretherketone, polyether-ether-ketone), the 4th insulating sleeve made of the material
12 radioresistances, insulating properties stabilization, hydrolysis, resistance to compression is corrosion-resistant, so set, on the one hand can will seal locking nut 13
It is opened with the isolation of second electrode core 11, prevents short circuit；On the other hand, in the extruding by sealing locking nut 13, it is unlikely to light
It is easy to damage；For example, third insulating sleeve 9 is equipped with the one end of one end and the 4th insulating sleeve 12 equipped with third boss of second boss
Staggered relatively, first boss is fastened between second boss and third boss；So set, when sealing locking nut 13 squeezes the
When four insulating sleeves 12, second electrode core 11 is squeezed after 12 stress of the 4th insulating sleeve, second electrode core is receiving the 4th insulation
After the extruding of casing 12, third insulating sleeve 9 is squeezed, so that the contact between third insulating sleeve 9 and the second insulating sleeve 8 is more
Step up close, improves sealing effect；Meanwhile for example, certain buffering can also be played when the first connecting element 23 is spring
Effect, avoids second electrode core 11 from contacting when being squeezed with first electrode core 2, is damaged.
Further, which further includes sealing cover 17 and third sealing ring 16；Sealing cover 17 is mounted on the second company
End of the adapter tube 15 far from the first connecting tube 6；Third sealing ring 16 is mounted on the hollow knot of sealing cover 17 and the second connecting tube 15
Between the inner wall of structure.Specifically, for example, sealing cover 17 can be fixed on the second connecting tube 15 by the second fastening screw 18
On.So set, can prevent extraneous water or impurity by the end far from the first connecting tube 6 of the second connecting tube 15 into
Enter the inside to water-level probe, influences the normal work of internal element.
Further, which further includes the 5th insulating sleeve 24；5th insulating sleeve 24 is installed in electrode tip holder 4
In hollow structure, the 5th insulating sleeve 24 is connect with the first insulating sleeve 3 far from one end of probe cap 1 close to one end of probe cap 1,
The one end of 5th insulating sleeve 24 far from probe cap 1 is connect with electrode tip holder 4 far from one end of probe cap 1, and the one of first electrode core 2
End is successively plugged in the 5th insulating sleeve 24, the first insulating sleeve 3 and probe cap 1.It specifically, for example, can be in the first electricity
The 5th insulating sleeve 24 is added at gap between pole piece 2 and electrode tip holder 4, wherein the 5th insulating sleeve 24 and the first insulation sleeve
The junction of pipe 3 can be attached by the way of welding, and the junction of the 5th insulating sleeve 24 and electrode tip holder 4 can also adopt
It is attached with the mode of welding；So set, even if when electrode tip holder 4 and the weld seam of 3 junction of the first insulating sleeve are opened
It splits, can also be touched to avoid the solution of infiltration with first electrode core 2, be corroded so as to avoid first electrode core 2 and damaged
It is bad.
This case invention also provides a kind of water level measurement system, including above-mentioned water-level probe.
As can be seen from the above embodiments, water-level probe provided by the invention, rotproofness is strong, and sealing effect is good, improves
The reliability of the water-level probe, so that the data that the water-level probe more measures in use are more accurate, use process
It is safer；And the structure design of the water-level probe improves maintenance just but also the dismounting of the water-level probe is easier
Benefit.
Water level measurement system provided by the invention contains above-mentioned water-level probe, is likewise supplied with having for above-mentioned water-level probe
Beneficial effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of water-level probe, which is characterized in that including electrode assembly, junction box assembly and connector body；
The electrode assembly includes probe cap, first electrode core, the first insulating sleeve and electrode tip holder；
One end of first insulating sleeve is connect with the probe cap, and the other end is connect with the electrode tip holder；
The electrode tip holder and first insulating sleeve are hollow structure, offer connecting hole on the probe cap, and described the
One end of one electrode cores sequentially passes through in the electrode tip holder, first insulating sleeve and the probe cap, first electricity
The other end of pole piece is electrically connected with the junction box assembly, the one end of the electrode tip holder far from the probe cap and the terminal box
One end of component is tightly connected；
The other end of the junction box assembly is electrically connected with the connector body.
2. water-level probe according to claim 1, which is characterized in that the junction box assembly include the first connecting element,
Second electrode core and binding post；
One end of first connecting element is electrically connected with the first electrode core, one end of the other end and the second electrode core
Connection；
The other end of the second electrode core is connect with one end of the binding post, the other end of the binding post and the connection
The electrical connection of device socket.
3. water-level probe according to claim 2, which is characterized in that the junction box assembly further include the first connecting tube,
Second connecting tube and third connecting tube；
First connecting tube and second connecting tube are hollow structure, and first connecting tube is close to the probe cap
One end and the electrode tip holder are tightly connected, and the other end of first connecting tube and second connecting tube are close to the probe cap
One end connection；
The first electrode core sequentially passes through first connecting tube and second connecting tube far from one end of the probe cap；
First connecting element, the second electrode core and the binding post are respectively positioned on the hollow structure of second connecting tube
It is interior；
The bottom end of the third connecting tube is connected to the lateral wall of the described one end of second connecting tube far from the probe cap, described
The top of third connecting tube is connect with the connector body.
4. water-level probe according to claim 3, which is characterized in that further include the hollow knot that second connecting tube is arranged
The second insulating sleeve and third insulating sleeve in structure；
Second insulating sleeve is set in the outside of first connecting element, and the third insulating sleeve is set in described
The outside of two electrode cores；
Second insulating sleeve and the third insulating sleeve connect.
5. water-level probe according to claim 4, which is characterized in that further include at least one first sealing ring；
For the lateral wall of the third insulating sleeve at least provided with first groove, first sealing ring is mounted on described
In one groove, the inner ring wall of first sealing ring is contacted with the third insulating sleeve, the collar wall of first sealing ring
It is contacted with the inner wall of second connecting tube.
6. water-level probe according to claim 4, which is characterized in that further include at least one second sealing ring；
Second groove is at least arranged in the lateral wall of the second electrode core, and it is recessed that second sealing ring is mounted on described second
In slot, the inner ring wall of second sealing ring is contacted with the second electrode core, the collar wall of second sealing ring with it is described
The inner wall of third casing contacts.
7. water-level probe according to claim 4, which is characterized in that further include second connecting tube is arranged in hollow
The 4th insulating sleeve and sealing locking nut in structure；
The second electrode core is provided with first boss, the third insulating sleeve far from one end outer wall of the first electrode core
The outer wall of one end be provided with second boss,
The outer wall of one end of the 4th insulating sleeve is provided with third boss, and it is convex that the third insulating sleeve is equipped with described second
One end of platform and one end that the 4th insulating sleeve is equipped with the third boss are staggered relatively, and the first boss is fastened on institute
It states between second boss and the third boss；
The lateral wall of the sealing locking nut is connect with the inner thread of the hollow structure of second connecting tube, the sealing
The inner sidewall of locking nut is contacted with the lateral wall of the 4th insulating sleeve, and the locking end of the sealing locking nut and institute
State third boss contact connectio；
First connecting element is elastic element.
8. water-level probe according to claim 2, which is characterized in that further include sealing cover and third sealing ring；
The sealing cover is mounted on end of second connecting tube far from first connecting tube；
The third sealing ring is mounted between the inner wall of the hollow structure of the sealing cover and second connecting tube.
9. water-level probe according to claim 1, which is characterized in that further include the 5th insulating sleeve；
5th insulating sleeve is installed in the hollow structure of the electrode tip holder, and the 5th insulating sleeve is close to the probe cap
One end connect with first insulating sleeve far from one end of the probe cap, the 5th insulating sleeve is far from the probe
One end of cap is connect with the electrode tip holder far from one end of the probe cap, and one end of the first electrode core is successively plugged on institute
It states in the 5th insulating sleeve, first insulating sleeve and the probe cap.
10. a kind of water level measurement system, which is characterized in that including water-level probe described in any one of claim 1-9.
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| CN201811237482.7A CN109387259A (en) | 2018-10-23 | 2018-10-23 | Water-level probe |
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| CN201811237482.7A CN109387259A (en) | 2018-10-23 | 2018-10-23 | Water-level probe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111537040A (en) * | 2020-05-15 | 2020-08-14 | 北京菲舍波特科技发展有限公司 | Electric contact water level probe |
| CN111623849A (en) * | 2020-06-11 | 2020-09-04 | 北京菲舍波特科技发展有限公司 | Intelligent liquid tank volume measuring device |
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