CN203881407U - Electrode lead-out device for capacitive liquid level sensor of high-pressure storage tank - Google Patents
Electrode lead-out device for capacitive liquid level sensor of high-pressure storage tank Download PDFInfo
- Publication number
- CN203881407U CN203881407U CN201420320191.5U CN201420320191U CN203881407U CN 203881407 U CN203881407 U CN 203881407U CN 201420320191 U CN201420320191 U CN 201420320191U CN 203881407 U CN203881407 U CN 203881407U
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- Prior art keywords
- fairlead
- electrode
- storage tank
- pressure storage
- high pressure
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- 239000007788 liquid Substances 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 239000000523 sample Substances 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract 2
- 239000012212 insulator Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses an electrode lead-out device for a capacitive liquid level sensor of a high-pressure storage tank. The electrode lead-out device comprises a first lead-out tube made of conductive metal, one end of the first lead-out tube is communicated with the interior of the high-pressure storage tank so as to allow a first electrode to enter the first lead-out tube from the end of the first lead-out tube and allow the first electrode to penetrate out of the other end of the first lead-out tube, the first lead-out tube is electrically connected with a tank body electrically connected with a second electrode of a probe, an insulation sealing body is arranged between the inner wall of the first lead-out tube and the first electrode, and the insulation sealing body is cast between the inner wall of the first lead-out tube and the first electrode and is combined with the inner wall of the first lead-out tube and the first electrode into one. The technical problem that under the high-pressure effect, sealing of an electrode lead-out device of an existing high-pressure storage tank is prone to failing is solved, and the electrode lead-out device of the capacitive liquid level sensor of the high-pressure storage tank is higher in sealing performance and more reliable in sealing.
Description
Technical field
The utility model relates to level gauging field.Be specially a kind of electrode pulling device of the capacitive liquid level sensor for high pressure storage tank.
Background technology
Liquid sensor is to realize the requisite instrument of liquid level control, and the application of capacitance level transducer is wherein very general.At present condenser type liquid sensor has monoblock type and split type two kinds.Integral capacitance sensor is immersed in liquid, in order to protect its inner circuit component, very high to the requirement of sealing property.Split type electric capacity liquid level sensor is divided into and is located at the probe in storage tank and is located at the circuit part outside tank, by the electrode leads to client through tank body or lead-in wire, the signal of probe is sent to the circuit part outside tank.Between electrode leads to client or lead-in wire and tank body, seal by O-ring seal or other encapsulants.But when kind electrode ejector is applied in high pressure storage tank, because the hydraulic pressure in high pressure storage tank is very high, O-ring seal or encapsulant can be out of shape under the effect of long-term high pressure, and cause seal failure, and therefore liquid easily leak.
Summary of the invention
The technical matters that the utility model solves is to overcome the shortcoming that the electrode pulling device of existing high pressure storage tank easily lost efficacy at the effect lower seal of high pressure, provides the higher and sealing of a kind of sealing property more reliably for the electrode pulling device of the capacitive liquid level sensor of high pressure storage tank.
The electrode pulling device of the capacitive liquid level sensor for high pressure storage tank of the present utility model, comprise the first fairlead of being made by conducting metal, described first fairlead one end and the inside of described high pressure storage tank tank body pass to mutually the first electrode that allows to be located at the probe in described tank body and enter described the first fairlead and pass from the other end of described the first fairlead from this end, and described the first fairlead and the tank body electrical connection being electrically connected with the second electrode of described probe, between the inwall of described the first fairlead and described the first electrode, there is insulated enclosure body, described insulated enclosure body is cast between the inwall of described the first fairlead and described the first electrode and is combined into one with inwall and first electrode of described the first fairlead.
As preferably, the part that described the first fairlead is combined with described insulated enclosure body is greater than the internal diameter of the other end near the internal diameter of one end of described tank.
As preferably, on the inwall of described the first fairlead and the part that described insulated enclosure body is combined, there is the step surface towards described high pressure storage tank.
As preferably, described step surface was around described the first fairlead inwall one week.
As preferably, described electrode pulling device also comprises and communicating with described tank interior and the second fairlead that one end is tightly connected with described tank body and be used for being connected the set nut with locking screw of described the first fairlead and the second fairlead, described the second fairlead is made up of conducting metal and is electrically connected with described tank body, the other end of described the second fairlead and described the first fairlead all have and the first outer locking screw thread of the internal locking threaded engagement of connector near one end of described tank body, and one end that described the first fairlead is connected with described connector has the primary sealing area of taper, one end that described the second fairlead is connected with described connector has taper or spherical secondary sealing area, in the time that the first fairlead and the second fairlead are in place, described primary sealing area coordinates forming surface sealing with described secondary sealing area.
As preferably, described the first fairlead has the second outer locking screw thread for being connected with low pressure pipeline away from one end of described tank body, and this end of described the first fairlead is provided with the sealing gasket sealing between described the first fairlead and low pressure pipeline.
Compared to the prior art the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank of the present utility model, has following beneficial effect:
1, in the utility model, drawing of two electrodes of popping one's head in realized in tube wall and inside by the first fairlead, and casting insulated seal between the inwall of the first fairlead and the first electrode, inwall and first electrode of insulator and the first fairlead are combined into one.Compared with prior art, can greatly improve the stability of gas sealing ability and sealing, extend the life-span of sealing.
2, the part that the first fairlead is combined with insulated enclosure body is greater than the internal diameter of the other end near the internal diameter of one end of tank.Insulator can be combined closelyr with inwall and the electrode of the first fairlead under the effect of highly pressurised liquid like this, thereby further improves the stability of sealing property and sealing.
3, on the inwall of the first fairlead and the part that described insulated enclosure body is combined, there is the step surface towards high pressure storage tank.The inwall of the first fairlead is provided with step, and under the effect of high pressure, insulated enclosure body and the combination between the step surface of tank body are tightr.
4, the utility model is also provided with the second fairlead, the first fairlead has the first bevelled sealing surface, the second fairlead has the second bevelled sealing surface, and in the time that the first fairlead and the second fairlead are in place, the first bevelled sealing surface coordinates forming surface sealing with the second bevelled sealing surface.Can improve the sealing property in direction perpendicular to axial direction between the first fairlead and the second fairlead.
Brief description of the drawings
Fig. 1 is the cut-open view of the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank of an embodiment of the utility model.
Fig. 2 is the amplification view of the first fairlead of the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank of an embodiment of the utility model.
Reference numeral
1-the first fairlead, 2-the first electrode, 3-insulated enclosure body, 4-step, 5-step surface, the outer tight screw thread of 6-the first lock, 7-the second outer locking screw thread, 8-sealing gasket, 9-primary sealing area, 10-the second fairlead, 11-secondary sealing area, 12-set nut, 13-ring-shaped step, 14-tank body.
Embodiment
Fig. 1 is the structural representation of the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank of the present utility model.The probe of capacitive liquid level sensor is positioned at tank body 14, and tank body 14 itself is made up of conducting metal.The first electrode 2 of probe is drawn through the wall of tank body 14, and the second electrode (not shown) is electrically connected via tank body 14 and guides with tank body 14.
Fig. 2 is the amplification view of the first fairlead of the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank of an embodiment of the utility model, as depicted in figs. 1 and 2, the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank of the present utility model, comprise the first fairlead 1 of being made up of conducting metal, described first fairlead 1 one end and the inside of described high pressure storage tank tank body 14 pass to mutually the first electrode 2 that allows to be located at the probe in described tank body 14 and enter described the first fairlead 1 and pass from the other end from this end.Simultaneously described the first fairlead 1 and the tank body 14 that is electrically connected with the second electrode of described probe are electrically connected, the first fairlead 1 and and the second electrode of described probe between electrical connection can be to be directly connected, can be also indirect connection.The first electrode 2 and second electrode of probe are all drawn, and the first electrode 2 after drawing is connected with fluid level transmitter and display instrument (not shown) with the second electrode, realize the monitoring to liquid level in high pressure storage tank.
In the utility model, between the inwall of described the first fairlead 1 and described the first electrode 2, there is insulated enclosure body 3, the first fairlead 1 inside is partitioned into high-pressure side and low-pressure side by insulated enclosure body 3, as shown in Figure 2.Described insulated enclosure body 3 is cast between the inwall of described the first fairlead 1 and described the first electrode 2 and is combined into one with inwall and first electrode 2 of described the first fairlead 1.The material of insulated enclosure body 3 can be the conventional insulating material of silicate insulating material or this area, pours into a mould by high temperature, and being combined into one of the inwall of insulated enclosure body 3 and the first fairlead 1, has improved the bond strength of the two.Compared with prior art, can greatly improve the stability of gas sealing ability and sealing, extend the life-span of sealing.
As preferably, described the first fairlead 1 and the part of described insulated enclosure body 3 combinations are greater than the internal diameter of the other end near the internal diameter of one end of described tank.Insulator can be combined closelyr with inwall and the electrode of the first fairlead 1 under the effect of highly pressurised liquid like this, thereby further improves the stability of sealing property and sealing.The variation of the internal diameter of the first fairlead 1 can be progressively continuous variation, if the inwall of the first fairlead 1 can be taper, also can take other forms.
In the present embodiment, on the inwall of the part of described the first fairlead 1 and described insulated enclosure body 3 combinations, there is the step surface 5 towards described high pressure storage tank.The inwall of the first fairlead 1 is provided with step 4, and under the effect of high pressure, insulated enclosure body 3 and the combination between the step surface 5 of tank body 14 are tightr.As preferably, described step surface 5, around described the first fairlead 1 inwall one week, makes sealing more stable.Certainly, also can multiple steps be set around the inwall of the first fairlead 1.
As preferably, described electrode pulling device also comprises and communicating with described tank body 14 inside and the second fairlead 10 that one end is tightly connected with described tank body 14 and be used for being connected the set nut with locking screw 12 of described the first fairlead 1 and the second fairlead 10.In the present embodiment, one end that described the first fairlead 1 is connected with described the second fairlead 10 has the primary sealing area 9 of taper, and one end that described the second fairlead 10 is connected with described the first fairlead 1 has taper or spherical secondary sealing area 11.In the time that the first fairlead 1 and the second fairlead 10 are in place, described primary sealing area 9 and described secondary sealing area 11 mutually extruding coordinate the face that forms taper to seal.Can improve the sealing property in direction perpendicular to axial direction between the first fairlead 1 and the second fairlead 10.
Being connected between the first fairlead 1 and the second fairlead 10 is specially, described the first fairlead 1 all has the first outer locking screw thread 6 near one end of described tank body 14, the second fairlead 10 has ring-shaped step 13, set nut 12 is enclosed within on the second fairlead 10, the internal locking screw thread of set nut 12 is connected with the first outer locking screw thread 6 of the first fairlead 1, in the time that connection puts in place, ring-shaped step 13 on the other end of set nut 12 and the second fairlead 10 offsets, simultaneously, secondary sealing area 11 pushes mutually with primary sealing area 9, form the sealing surface of taper, thereby the first connecting pipe 1 and the second connecting pipe 10 are sealed connected together.The shape of the second fairlead 10 is not limit, and can be straight tube, can also be bend pipe.Described the second fairlead 10 is made up of conducting metal and is electrically connected with described tank body 14 and the first fairlead 1, and set nut 12 is to be also preferably made up of conducting metal.
As preferably, described the first fairlead 1 has the second outer locking screw thread 7 for being connected with low pressure pipeline (not shown) away from one end of described tank body 14, and this end of described the first fairlead 1 is provided with the sealing gasket 8 sealing between described the first fairlead 1 and low pressure pipeline, and sealing gasket 8 can be rubber cushion.Thereby realize electrode pulling device being tightly connected at low-pressure side and electrical connection joint.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art in essence of the present utility model and protection domain, various amendments that the utility model is made or be equal to replacement and also drop in protection domain of the present utility model.
Claims (6)
1. the electrode pulling device for the capacitive liquid level sensor of high pressure storage tank, it is characterized in that: comprise the first fairlead of being made by conducting metal, described first fairlead one end and the inside of described high pressure storage tank tank body pass to mutually the first electrode that allows to be located at the probe in described tank body and enter described the first fairlead and pass from the other end of described the first fairlead from this end, and described the first fairlead and the tank body electrical connection being electrically connected with the second electrode of described probe, between the inwall of described the first fairlead and described the first electrode, there is insulated enclosure body, described insulated enclosure body is cast between the inwall of described the first fairlead and described the first electrode and is combined into one with inwall and first electrode of described the first fairlead.
2. the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank according to claim 1, is characterized in that: the part that described the first fairlead is combined with described insulated enclosure body is greater than the internal diameter of the other end near the internal diameter of one end of described tank.
3. the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank according to claim 2, is characterized in that: on the inwall of described the first fairlead and the part that described insulated enclosure body is combined, have the step surface towards described high pressure storage tank.
4. the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank according to claim 3, is characterized in that: described step surface was around described the first fairlead inwall one week.
5. according to the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank described in any one in claim 1-4, it is characterized in that: described electrode pulling device also comprises and communicating with described tank interior and the second fairlead that one end is tightly connected with described tank body and be used for being connected the set nut with locking screw of described the first fairlead and the second fairlead, described the second fairlead is made up of conducting metal and is electrically connected with described tank body, the other end of described the second fairlead and described the first fairlead all have and the first outer locking screw thread of the internal locking threaded engagement of connector near one end of described tank body, and one end that described the first fairlead is connected with described connector has the primary sealing area of taper, one end that described the second fairlead is connected with described connector has taper or spherical secondary sealing area, in the time that the first fairlead and the second fairlead are in place, described primary sealing area coordinates forming surface sealing with described secondary sealing area.
6. the electrode pulling device of the capacitive liquid level sensor for high pressure storage tank according to claim 5, it is characterized in that: described the first fairlead has the second outer locking screw thread for being connected with low pressure pipeline away from one end of described tank body, and this end of described the first fairlead is provided with the sealing gasket sealing between described the first fairlead and low pressure pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320191.5U CN203881407U (en) | 2014-06-16 | 2014-06-16 | Electrode lead-out device for capacitive liquid level sensor of high-pressure storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320191.5U CN203881407U (en) | 2014-06-16 | 2014-06-16 | Electrode lead-out device for capacitive liquid level sensor of high-pressure storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203881407U true CN203881407U (en) | 2014-10-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420320191.5U Withdrawn - After Issue CN203881407U (en) | 2014-06-16 | 2014-06-16 | Electrode lead-out device for capacitive liquid level sensor of high-pressure storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203881407U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006864A (en) * | 2014-06-16 | 2014-08-27 | 北京鼎力华业测控仪表有限公司 | Electrode leading-out device for capacitive liquid level sensor of high-voltage storage tank |
| RU2784785C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Fuel tank of a vehicle containing several capacitive interface level sensors |
| US12098942B2 (en) | 2019-02-21 | 2024-09-24 | Limited Liability Company “Artifleet” | Liquid flow monitoring system |
-
2014
- 2014-06-16 CN CN201420320191.5U patent/CN203881407U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006864A (en) * | 2014-06-16 | 2014-08-27 | 北京鼎力华业测控仪表有限公司 | Electrode leading-out device for capacitive liquid level sensor of high-voltage storage tank |
| CN104006864B (en) * | 2014-06-16 | 2017-06-30 | 北京鼎力华业测控仪表有限公司 | A kind of electrode pulling device of the capacitive liquid level sensor for high pressure storage tank |
| US12098942B2 (en) | 2019-02-21 | 2024-09-24 | Limited Liability Company “Artifleet” | Liquid flow monitoring system |
| US12215996B2 (en) | 2019-02-21 | 2025-02-04 | Boris Pankov | Method for level measuring by means of the capacitive level sensor |
| US12523514B2 (en) | 2019-02-21 | 2026-01-13 | Pankov Boris | Capacitive level sensor, sensitive element of the capacitive level sensor, electrode housing for the capacitive level sensor |
| RU2784785C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Fuel tank of a vehicle containing several capacitive interface level sensors |
| RU2784644C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Fuel tank of a vehicle containing several capacitive interface level sensors |
| RU2784643C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Vehicle fuel tank |
| RU2784638C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Fuel tank of a vehicle containing several capacitive interface level sensors |
| RU2784646C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Fuel tank of a vehicle containing one capacitive interface level sensor |
| RU2784642C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Fuel tank of a vehicle containing one capacitive interface level sensor |
| RU2784786C2 (en) * | 2020-12-31 | 2022-11-29 | Общество С Ограниченной Ответственностью "Омникомм Онлайн" | Fuel tank of a vehicle containing one capacitive interface level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141015 Effective date of abandoning: 20171114 |