CN109340563A - Capacitance level gauge and LNG gas cylinder - Google Patents
Capacitance level gauge and LNG gas cylinder Download PDFInfo
- Publication number
- CN109340563A CN109340563A CN201811375644.3A CN201811375644A CN109340563A CN 109340563 A CN109340563 A CN 109340563A CN 201811375644 A CN201811375644 A CN 201811375644A CN 109340563 A CN109340563 A CN 109340563A
- Authority
- CN
- China
- Prior art keywords
- pole plate
- medium channel
- plate
- level gauge
- capacitance level
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/021—Special adaptations of indicating, measuring, or monitoring equipment having the height as the parameter
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0408—Level of content in the vessel
- F17C2250/0417—Level of content in the vessel with electrical means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
This application discloses a kind of capacitance level gauges, including the first pole plate and the second pole plate being oppositely arranged, first pole plate and the second pole plate are arranged along the vertical direction, dielectric space is formed between first pole plate and the second pole plate, the dielectric space is at least connected to outside in the horizontal direction, the dielectric space includes first medium channel and second medium channel in a certain angle, and first medium channel is connected in the horizontal direction with second medium channel.The invention also discloses a kind of LNG gas cylinders.First pole plate and the second pole plate of the invention passes through bending, for example constitutes Z-shaped pole plate, and during liquid sloshing, the liquid in dielectric space is regardless of during transverse shakiness and longitudinal shaking, impurity can be discharged easily.In addition, pole plate passes through wrap direction, under the premise of guaranteeing that polar board surface product is big, moreover it is possible to reduce the resistance between pole plate and liquid, reduce the intensity requirement of pole plate installation site, raising uses the service life of liquidometer.
Description
Technical field
The present invention relates to a kind of capacitance level gauge, it is mainly used to measure LNG gas cylinder liquid level.
Background technique
LNG (liquefied natural gas) is mesh due to colourless, tasteless, nontoxic and non-corrosive, burning and exhausting no pollution to the environment
The preceding clean energy resource generally acknowledged in the world, the weight that volume is about 1/600, LNG of same amount gaseous natural gas volume are only consubstantiality
45% or so of ponding.Other than being used widely in industry, city dweller family, also replace gasoline as energy source of car
And diesel oil.In order to measure the liquid level of LNG gas cylinder, it is necessary to install capacitance level transducer on LNG gas cylinder.
Current capacitance level transducer is higher to gas source purity requirement, when the gas source impurity used is more, when long
Between the phenomenon that just will appear short circuit and blocking after use, if cannot be discharged in time, will lead to cannot normally measure LNG gas cylinder
Liquid level, or even damage cannot use, directly affect the service life of product.
Summary of the invention
The purpose of the present invention is to provide a kind of capacitance level gauges and LNG gas cylinder, to overcome deficiency in the prior art.
To achieve the above object, the invention provides the following technical scheme:
The embodiment of the present application discloses a kind of capacitance level gauge, including the first pole plate and the second pole plate being oppositely arranged,
One pole plate and the second pole plate are arranged along the vertical direction,
It is formed with dielectric space between first pole plate and the second pole plate, the dielectric space is at least in the horizontal direction and outside
Portion's connection,
The dielectric space includes first medium channel and second medium channel in a certain angle, first medium channel and
Second medium channel is connected in the horizontal direction.
Preferably, in above-mentioned capacitance level gauge, first pole plate and the second pole plate are respectively by a plate bending
It is formed.
Preferably, in above-mentioned capacitance level gauge, first pole plate and the second pole plate are multiple by a plate respectively
Continuous bending is formed.
Preferably, in above-mentioned capacitance level gauge, first pole plate and the second pole plate are Z-shaped plate body.
Preferably, in above-mentioned capacitance level gauge, the first medium channel and second medium channel are flat in level
It is perpendicular in face.
The invention also discloses a kind of LNG gas cylinder, including tank body and it is set to the intracorporal capacitance level gauge of tank,
The capacitance level gauge includes the first pole plate and the second pole plate being oppositely arranged, the first pole plate and the second pole plate edge
Vertical direction setting,
It is formed with dielectric space between first pole plate and the second pole plate, the dielectric space is at least in the horizontal direction and outside
Portion's connection,
The dielectric space includes first medium channel and second medium channel in a certain angle, first medium channel and
Second medium channel is connected in the horizontal direction.
Preferably, in above-mentioned LNG gas cylinder, first pole plate and the second pole plate are formed by a plate bending respectively.
Preferably, in above-mentioned LNG gas cylinder, first pole plate and the second pole plate are repeatedly continuously rolled over by a plate respectively
Bending at.
Preferably, in above-mentioned LNG gas cylinder, first pole plate and the second pole plate are Z-shaped plate body.
Preferably, in above-mentioned LNG gas cylinder, the first medium channel and second medium the channel phase in horizontal plane
Vertically.
Compared with the prior art, the advantages of the present invention are as follows: the first pole plate and the second pole plate of the invention passes through bending, than
Z-shaped pole plate is such as constituted, during liquid sloshing, the liquid in dielectric space is regardless of in transverse shakiness and longitudinal shaking process
In, impurity can be discharged easily.In addition, pole plate passes through wrap direction, under the premise of guaranteeing that polar board surface product is big, moreover it is possible to reduce
Resistance between pole plate and liquid reduces the intensity requirement of pole plate installation site, improves the service life for using liquidometer.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 show the schematic perspective view of capacitance level gauge in the specific embodiment of the invention；
Fig. 2 show the perspective exploded view of capacitance level gauge in the specific embodiment of the invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
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.
In the embodiment of the application, a kind of LNG gas cylinder is disclosed, including tank body and be set to the intracorporal condenser type liquid of tank
Position meter.
Referring to figs. 1 and 2, capacitance level gauge 10 includes the first pole plate 11 and the second pole plate 12 being oppositely arranged,
First pole plate 11 and the second pole plate 12 are arranged along the vertical direction.
It is formed with dielectric space between first pole plate 11 and the second pole plate 12, the dielectric space is at least in the horizontal direction and outside
Portion's connection.
Dielectric space includes first medium channel and second medium channel in a certain angle, first medium channel and second
Medium channel is connected in the horizontal direction.
In one embodiment, the first pole plate 11 and the second pole plate 12 are formed by a plate bending respectively.
Further, the first pole plate 11 and the second pole plate 12 are formed by the multiple continuous bending of a plate respectively.
In a preferred embodiment, the first pole plate 11 and the second pole plate 12 are Z-shaped plate body.
As shown in connection with fig. 2, in one embodiment, the first pole plate 11 includes the first plate body 111, from 111 edge of the first plate body
The second plate body 112 that vertical bending is formed and the third plate body 113 formed from the 112 edge bending of the second plate body, the first plate body
111 and third plate body 113 be located at the two sides of the second plate body 112 so that the first pole plate 11 is Z-shape.
The structure setting of first pole plate and the second pole plate, when so that liquid body shaking in the horizontal direction in tank body, Ke Yigeng
Add and is easy to pass in and out between the first pole plate and the second pole plate.
In order to improve the speed that liquid passes through dielectric space, the first pole plate and the second pole plate can also be opened up in different location
The window of inside and outside connection, to reduce blocking of the pole plate to liquid.
In other embodiments, the first pole plate 11 and the second pole plate 12 can also use the plate body of U-shaped.
In other embodiments, the first pole plate 11 and the second pole plate 12 can also use L-shaped plate body.
In other embodiments, the first pole plate 11 and the second pole plate 12 can also carry out 3 times or more foldings in the horizontal plane
It is curved.
In one embodiment, first medium channel and second medium channel can also use acute angle or obtuse angle angle.
In implementing one, the first pole plate 11 and the second pole plate 12 are formed using the bending of metal plate continuous punching, cost of manufacture
Low, structure is simple.
Metal plate used by first pole plate 11 and the second pole plate 12 can be using materials such as stainless steel, aluminium.
During installation, interval, the first pole plate can be supported between the first pole plate and the second pole plate by insulation spacer
It is detachably fixed with the second pole plate by screw, for liquidometer when integral installation is in tank body, the upper and lower side of liquidometer can
It realizes in a manner of through bolt etc. and is fixed with inner tank wall.Signal output line is also connected between liquidometer and tank body outside
Cable, so that the fluid level condition of tank interior can be read in real time in outside.
It should be noted that the liquidometer of this case, which exists solving impurity between pole plate, leads to that measurement accuracy is poor, is easy to send out
The problems such as raw short circuit, and come by means of shaking for liquid in time by the discharge of impurity between pole plate.Based on the advantage, the liquid level of this case
Meter is not only applicable to LNG gas cylinder, and being equally applicable to the level sensing of other liquid, especially carrier, (liquid is easy hair
It is raw to shake).
The working principle of liquidometer of the present invention is, between the first pole plate 11 and the second pole plate 12, liquid height is not
Together, the first pole plate 11 and the electric signal of the second pole plate 12 output can also change, and then can be converted to liquid height signal,
Realize the function of level sensing.
Dielectric space between first pole plate 11 and the second pole plate 12 of the invention is connected to by lateral openings with outside,
During liquid sloshing, the impurity in dielectric space is easy from side to discharge, and avoiding impurity from existing leads to short circuit, current value deviation
The problems such as.
Further, the first pole plate 11 and the second pole plate 12 pass through bending to the present invention, for example constitute Z-shaped pole plate, in liquid
During shaking, the liquid in dielectric space is regardless of during transverse shakiness and longitudinal shaking, impurity can be discharged easily.
Further, pole plate is by wrap direction, under the premise of guaranteeing that polar board surface product is big, moreover it is possible to reduce pole plate with
Resistance between liquid reduces the intensity requirement of pole plate installation site, improves the service life for using liquidometer.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of capacitance level gauge, which is characterized in that including the first pole plate and the second pole plate being oppositely arranged, the first pole plate and
Second pole plate is arranged along the vertical direction,
It is formed with dielectric space between first pole plate and the second pole plate, which at least connects with outside in the horizontal direction
It is logical,
The dielectric space includes first medium channel and second medium channel in a certain angle, first medium channel and second
Medium channel is connected in the horizontal direction.
2. capacitance level gauge according to claim 1, which is characterized in that first pole plate and the second pole plate respectively by
One plate bending is formed.
3. capacitance level gauge according to claim 2, which is characterized in that first pole plate and the second pole plate respectively by
The multiple continuous bending of one plate is formed.
4. capacitance level gauge according to claim 3, which is characterized in that first pole plate and the second pole plate are Z
The plate body of shape.
5. capacitance level gauge according to claim 1, which is characterized in that the first medium channel and second medium are logical
Road is perpendicular in horizontal plane.
6. a kind of LNG gas cylinder, which is characterized in that including tank body and it is set to the intracorporal capacitance level gauge of tank,
The capacitance level gauge includes the first pole plate and the second pole plate being oppositely arranged, the first pole plate and the second pole plate along vertical
Direction setting,
It is formed with dielectric space between first pole plate and the second pole plate, which at least connects with outside in the horizontal direction
It is logical,
The dielectric space includes first medium channel and second medium channel in a certain angle, first medium channel and second
Medium channel is connected in the horizontal direction.
7. LNG gas cylinder according to claim 6, which is characterized in that first pole plate and the second pole plate are flat by one respectively
Plate bending is formed.
8. LNG gas cylinder according to claim 7, which is characterized in that first pole plate and the second pole plate are flat by one respectively
The multiple continuous bending of plate is formed.
9. LNG gas cylinder according to claim 8, which is characterized in that first pole plate and the second pole plate are Z-shaped plate
Body.
10. LNG gas cylinder according to claim 6, which is characterized in that the first medium channel and second medium channel exist
It is perpendicular in horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375644.3A CN109340563A (en) | 2018-11-19 | 2018-11-19 | Capacitance level gauge and LNG gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811375644.3A CN109340563A (en) | 2018-11-19 | 2018-11-19 | Capacitance level gauge and LNG gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340563A true CN109340563A (en) | 2019-02-15 |
Family
ID=65315873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811375644.3A Pending CN109340563A (en) | 2018-11-19 | 2018-11-19 | Capacitance level gauge and LNG gas cylinder |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996029580A1 (en) * | 1995-03-20 | 1996-09-26 | Figgie International Inc. | Liquid quantity sensor and method |
| JP2013190347A (en) * | 2012-03-14 | 2013-09-26 | Yazaki Corp | Capacitance type liquid level sensor and manufacturing method thereof |
| WO2015181770A2 (en) * | 2014-05-30 | 2015-12-03 | Eltek S.P.A. | A sensor for detecting the level of a medium |
| CN105765354A (en) * | 2013-11-28 | 2016-07-13 | 西港电力公司 | Capacitance-type sensor probe |
| CN107389151A (en) * | 2017-09-07 | 2017-11-24 | 苏州赛智达智能科技有限公司 | It is provided with the capacitance liquid level meter of L-shaped seal assembly |
| CN209041984U (en) * | 2018-11-19 | 2019-06-28 | 苏州赛智达智能科技有限公司 | Capacitance level gauge and LNG gas cylinder |
-
2018
- 2018-11-19 CN CN201811375644.3A patent/CN109340563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996029580A1 (en) * | 1995-03-20 | 1996-09-26 | Figgie International Inc. | Liquid quantity sensor and method |
| JP2013190347A (en) * | 2012-03-14 | 2013-09-26 | Yazaki Corp | Capacitance type liquid level sensor and manufacturing method thereof |
| CN105765354A (en) * | 2013-11-28 | 2016-07-13 | 西港电力公司 | Capacitance-type sensor probe |
| WO2015181770A2 (en) * | 2014-05-30 | 2015-12-03 | Eltek S.P.A. | A sensor for detecting the level of a medium |
| CN107389151A (en) * | 2017-09-07 | 2017-11-24 | 苏州赛智达智能科技有限公司 | It is provided with the capacitance liquid level meter of L-shaped seal assembly |
| CN209041984U (en) * | 2018-11-19 | 2019-06-28 | 苏州赛智达智能科技有限公司 | Capacitance level gauge and LNG gas cylinder |
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