CN107449490A - Polar-plate-type capacitance liquid level meter - Google Patents
Polar-plate-type capacitance liquid level meter Download PDFInfo
- Publication number
- CN107449490A CN107449490A CN201710801007.7A CN201710801007A CN107449490A CN 107449490 A CN107449490 A CN 107449490A CN 201710801007 A CN201710801007 A CN 201710801007A CN 107449490 A CN107449490 A CN 107449490A
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- China
- Prior art keywords
- ectosome
- plate
- battery lead
- polar
- lead plate
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Classifications
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- 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
- G01F23/26—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 by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
This application discloses a kind of polar-plate-type capacitance liquid level meter, including the first ectosome being arranged in order, battery lead plate, second ectosome, the battery lead plate respectively with the first ectosome, formed with the cavity for accommodating liquid between second ectosome, first ectosome and the second ectosome are integrally formed, first ectosome, battery lead plate, it is bolted between second ectosome, the battery lead plate respectively with the first ectosome, insulating washer is provided between second ectosome, the first ectosome both ends form semicircle outstanding cell body respectively, second ectosome formed with the symmetrical cell body of the first ectosome, first ectosome, battery lead plate, second ectosome bottom maintains an equal level.The advantage of the invention is that avoiding bottom 20mm measurement blind area in structure, measurement is achieved that at the 1mm of bottom, substantially increases the linear height of sensor.
Description
Technical field
The application is related to liquid level gauge, more particularly to a kind of polar-plate-type capacitance liquid level meter.
Background technology
Former capacitance sensor uses round inner and outer pipes, and 20mm measurement blind area is arranged at bottom during assembling, is unsatisfactory for existing demand.
The content of the invention
It is an object of the invention to provide a kind of polar-plate-type capacitance liquid level meter, with overcome the deficiencies in the prior art.
To achieve the above object, the present invention provides following technical scheme.
The embodiment of the present application discloses a kind of polar-plate-type capacitance liquid level meter, including be arranged in order the first ectosome, battery lead plate,
Second ectosome, the battery lead plate is respectively between the first ectosome, the second ectosome formed with the cavity for accommodating liquid, outside described first
Body and the second ectosome are integrally formed, are bolted between first ectosome, battery lead plate, the second ectosome, the battery lead plate
Insulating washer is provided between the first ectosome, the second ectosome respectively, the first ectosome both ends form semicircle outside respectively
Prominent cell body, second ectosome formed with the symmetrical cell body of the first ectosome, first ectosome, battery lead plate,
Two ectosome bottoms maintain an equal level.
Preferably, in above-mentioned polar-plate-type capacitance liquid level meter, the insulating washer is tetrafluoro packing ring.
Preferably, in above-mentioned polar-plate-type capacitance liquid level meter, the battery lead plate top is provided with the wire outwards drawn.
It is furthermore preferred that in above-mentioned polar-plate-type capacitance liquid level meter, the wire includes internal electric capacity cored wire, is coated on
The insulating barrier of the electric capacity cored wire outer surface, the gauze screen for being coated on the insulating barrier outer surface, it is coated on outside the gauze screen
The protective layer on surface.
It is furthermore preferred that in above-mentioned polar-plate-type capacitance liquid level meter, the gauze screen material is silver-coated copper wire, the insulation
Layer material is tetrafluoro insulating barrier, and the protective layer material is polytetrafluoroethylene (PTFE).
Compared with prior art, the advantage of the invention is that：1st, bottom 20mm measurement blind area is avoided in structure, the bottom of at
Measurement is achieved that at portion 1mm, substantially increases the linear height of sensor；2nd, after using polar-plate-type capacitance sensor, sensing
Device body capacitance increases, and the precision for measuring medium is improved largely, and error rate reduces, equally in 10mm Central Plains capacitance
For 10PF, 20PF is now can reach, is more refined, more precisely.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show polar-plate-type capacitance liquid level meter top view in the specific embodiment of the invention；
Fig. 2 show polar-plate-type capacitance liquid level meter electrode plate structure schematic diagram in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, detailed retouch is carried out to the technical scheme in the embodiment of the present invention
State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
With reference to shown in Fig. 1-2, polar-plate-type capacitance liquid level meter, including be arranged in order the first ectosome 100, battery lead plate 300,
Two ectosomes 200, battery lead plate 300 respectively between the first ectosome 100, the second ectosome 200 formed with accommodate liquid cavity 400,
First ectosome 100 and the second ectosome 200 are integrally formed, pass through spiral shell between the first ectosome 100, battery lead plate 300, the second ectosome 200
Bolt 500 is fixed, and battery lead plate 300 is provided with insulating washer 600 between the first ectosome 100, the second ectosome 200 respectively, outside first
The both ends of body 100 form semicircle outstanding cell body 700 respectively, and the second ectosome 200 is formed with symmetrical with the first ectosome 100
Cell body 700, the first ectosome 100, battery lead plate 300, the bottom of the second ectosome 200 maintain an equal level.Insulating washer 600 is tetrafluoro packing ring.Electrode
The top of plate 300 is provided with the wire outwards drawn.
Compared with prior art, advantage of this embodiment is that：Bottom 20mm measurement blind area is avoided in structure, the bottom of at
Measurement is achieved that at portion 1mm, substantially increases the linear height of sensor；After polar-plate-type capacitance sensor, sensor
Body capacitance increases, and the precision for measuring medium is improved largely, and error rate reduces, and equally in 10mm Central Plains, capacitance is
10PF, 20PF is now can reach, is more refined, more precisely.
During specific works, this device need to be only inserted into liquid, or device is positioned over relevant position in advance, passed through
The coefficient measured in advance can determine specific liquid level, be that viscosity strong liquid can be measured the advantages of the cell body of ectosome
Body.
Further, wire includes internal electric capacity cored wire, is coated on the insulating barrier of electric capacity cored wire outer surface, is coated on absolutely
The gauze screen of edge layer outer surface, the protective layer for being coated on gauze screen outer surface.Gauze screen material is silver-coated copper wire, insulating barrier material
For tetrafluoro insulating barrier, protective layer material is polytetrafluoroethylene (PTFE).
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (5)
- A kind of 1. polar-plate-type capacitance liquid level meter, it is characterised in that including the first ectosome, battery lead plate, the second ectosome being arranged in order, The battery lead plate is respectively formed with the cavity for accommodating liquid, first ectosome and second between the first ectosome, the second ectosome Ectosome is integrally formed, is bolted between first ectosome, battery lead plate, the second ectosome, and the battery lead plate is respectively with Insulating washer is provided between one ectosome, the second ectosome, the first ectosome both ends form semicircle outstanding groove respectively Body, second ectosome formed with the symmetrical cell body of the first ectosome, first ectosome, battery lead plate, the second ectosome bottom Portion maintains an equal level.
- 2. polar-plate-type capacitance liquid level meter according to claim 1, it is characterised in that the insulating washer is tetrafluoro packing ring.
- 3. polar-plate-type capacitance liquid level meter according to claim 1, it is characterised in that the battery lead plate top is provided with outwards The wire of extraction.
- 4. polar-plate-type capacitance liquid level meter according to claim 3, it is characterised in that the wire includes internal capacitance core Line, the insulating barrier for being coated on the electric capacity cored wire outer surface, the gauze screen for being coated on the insulating barrier outer surface, be coated on it is described The protective layer of gauze screen outer surface.
- 5. polar-plate-type capacitance liquid level meter according to claim 4, it is characterised in that the gauze screen material is silver-plated copper Line, the insulating barrier material are tetrafluoro insulating barrier, and the protective layer material is polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801007.7A CN107449490A (en) | 2017-09-07 | 2017-09-07 | Polar-plate-type capacitance liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801007.7A CN107449490A (en) | 2017-09-07 | 2017-09-07 | Polar-plate-type capacitance liquid level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107449490A true CN107449490A (en) | 2017-12-08 |
Family
ID=60495266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710801007.7A Pending CN107449490A (en) | 2017-09-07 | 2017-09-07 | Polar-plate-type capacitance liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107449490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186713A (en) * | 2018-09-03 | 2019-01-11 | 上海应用技术大学 | Capacitance sensor and liquid level detection system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999010714A1 (en) * | 1997-08-25 | 1999-03-04 | Millennium Sensors Ltd. | A compensated capacitive liquid level sensor |
| CN2535787Y (en) * | 2002-03-13 | 2003-02-12 | 福建省南平现代电子技术研究所 | Capacitor-type liquid-level sensor |
| CN2839981Y (en) * | 2005-11-07 | 2006-11-22 | 江苏红光仪表厂 | Solid bin level measuring probe |
| CN1948928A (en) * | 2006-11-02 | 2007-04-18 | 青岛澳波泰克安全设备有限责任公司 | Novel capacitive type miniature liquid level measuring gauge |
| CN102680052A (en) * | 2012-05-10 | 2012-09-19 | 张家港市赛达机械有限公司 | Connecting structure of leading-out lead of capacitive low-temperature liquid level meter |
| CN205642550U (en) * | 2016-05-12 | 2016-10-12 | 胡身健 | Electrode capacitance combination formula liquid level detection display |
| CN207113970U (en) * | 2017-09-07 | 2018-03-16 | 苏州赛智达智能科技有限公司 | Polar-plate-type capacitance liquid level meter |
-
2017
- 2017-09-07 CN CN201710801007.7A patent/CN107449490A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999010714A1 (en) * | 1997-08-25 | 1999-03-04 | Millennium Sensors Ltd. | A compensated capacitive liquid level sensor |
| CN2535787Y (en) * | 2002-03-13 | 2003-02-12 | 福建省南平现代电子技术研究所 | Capacitor-type liquid-level sensor |
| CN2839981Y (en) * | 2005-11-07 | 2006-11-22 | 江苏红光仪表厂 | Solid bin level measuring probe |
| CN1948928A (en) * | 2006-11-02 | 2007-04-18 | 青岛澳波泰克安全设备有限责任公司 | Novel capacitive type miniature liquid level measuring gauge |
| CN102680052A (en) * | 2012-05-10 | 2012-09-19 | 张家港市赛达机械有限公司 | Connecting structure of leading-out lead of capacitive low-temperature liquid level meter |
| CN205642550U (en) * | 2016-05-12 | 2016-10-12 | 胡身健 | Electrode capacitance combination formula liquid level detection display |
| CN207113970U (en) * | 2017-09-07 | 2018-03-16 | 苏州赛智达智能科技有限公司 | Polar-plate-type capacitance liquid level meter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186713A (en) * | 2018-09-03 | 2019-01-11 | 上海应用技术大学 | Capacitance sensor and liquid level detection system |
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