CN107870021A - Radar wave level meter with dedusting structure - Google Patents
Radar wave level meter with dedusting structure Download PDFInfo
- Publication number
- CN107870021A CN107870021A CN201610850035.3A CN201610850035A CN107870021A CN 107870021 A CN107870021 A CN 107870021A CN 201610850035 A CN201610850035 A CN 201610850035A CN 107870021 A CN107870021 A CN 107870021A
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- level meter
- radar wave
- wave level
- antenna
- 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.)
- Pending
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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
- G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
Abstract
The present invention discloses a kind of radar wave level meter with dedusting structure, including detection body, antenna body and diaphragm.Detection body has the control board that can launch sensing signal and receive reflected signal, antenna body one end connecting detection body, and diaphragm is incorporated on antenna body and covers the other end of antenna body；Wherein, air-flow can make the dust being attached on the diaphragm drop by diaphragm, complete the radar wave level meter with dedusting structure whereby, to exempt the necessity for needing regular cleaning of sending someone.
Description
Technical field
The present invention relates in level meter, espespecially a kind of radar wave level meter with dedusting structure.
Background technology
Radar wave level meter is the non-contact measurement using microwave pulse, and it is mountable to various metals, nonmetallic
In container or pipeline, there is simple installation, easy to maintain, accuracy is high, use occasion is wide.
In general, radar wave level meter is applicable to dust, temperature and pressure change are big, inert gas or steam be present
Or in the strong material environment of corrosivity, to carry out contactless continuous measurement to the thing position of liquid, slurry and particulate material.However,
When radar wave level meter, which is arranged on, to be operated under powder material or high-temperature vapour environment, radar wave level meter is easily by environment
In material dust covering, cause the trueness error of radar wave level meter to become big, or even lose detection function, needed periodically for this
Send someone to clear up.Only, this measure not only increases cost of labor, also influences the reliability of measurement result, therefore is not inconsistent use demand.
In view of this, the present invention is directed to above-mentioned prior art then, and spy concentrates on studies and coordinates the utilization of scientific principle, solves as possible
The problem of above-mentioned point, become the target that improves of the present invention.
The content of the invention
The purpose of the present invention, is to provide a kind of radar wave level meter with dedusting structure, is needed with improvement periodically clear
The inconvenience washed.
In order to reach above-mentioned purpose, the present invention provides a kind of radar wave level meter with dedusting structure, including detection
Body, antenna body and diaphragm.Detection body has the control board that can launch sensing signal and receive reflected signal,
Antenna body one end connecting detection body, diaphragm are incorporated on antenna body and cover the other end of antenna body；Wherein, gas
Stream can make the dust being attached on the diaphragm drop by diaphragm.
In order to reach above-mentioned purpose, the present invention also provides a kind of radar wave level meter with dedusting structure, and it coordinates
One working gas uses, including detection body, antenna body and diaphragm.Detection body has gas distribution channel and can launch sense
Survey signal and receive the control board of reflected signal；Antenna body has a hollow cavity, antenna body in hollow cavity two
End is respectively that the first opening and second are open, the first opening connecting detection body；Diaphragm is incorporated on antenna body, and is covered
Second opening of antenna body；Wherein, working gas by gas distribution channel and drives diaphragm to deform, and diaphragm is attached to order
On dust drop.
Wherein, an antenna lens is further included, the antenna lens is located between the antenna body and the diaphragm, and the antenna
Lens are incorporated in second opening, and are covered by the diaphragm.
Wherein, the antenna lens has multiple gas transmission holes, the gas transmission hole equally ring on the antenna lens
Type arranges.
Wherein, the diaphragm has multiple holes.
Wherein, a slip ball is further included, the slip ball is arranged at the diaphragm medial surface and is contained in the diaphragm
Between the detection body, the slip ball can produce displacement when the diaphragm deforms and make and be attached on the diaphragm
Foreign object drops.
Wherein, the spheroid that the slip ball is made up of a low-k material.
Wherein, further include a magnetic valve, working gas described in the solenoid valve control passes in and out the gas distribution channel, the diaphragm by
The flowing of the working gas and produce the deformation of expansion or shrinkage.
Wherein, the diaphragm is formed by adhesive-bonded fabric, glass fibre or with the cloth of careful hole.
Wherein, the antenna body is in bugle shape.
The present invention provides a kind of radar wave level meter with dedusting structure, can improve the inconvenience for needing periodic cleaning,
Operating personnel are avoided to carry out the risk of washing and cleaning operation in adverse circumstances, increase uses upper convenience.The present invention's has dedusting
The radar wave level meter of structure, normal measurement situation can be kept, and maintain accuracy in measurement, increase uses upper practicality.
Compared to prior art, diaphragm is incorporated in antenna sheet by the radar wave level meter with dedusting structure of the invention
On body, and the other end of antenna body is covered, the foreign matter for being attached to diaphragm lateral surface can be made when air-flow passes through diaphragm
Drop, therefore need not periodically send someone to clear up, increase the practicality and convenience of radar wave level meter；In addition, the radar of the present invention
Ripple level meter is also provided with gas distribution channel, and cooperating gas uses, and can be driven when working gas can flow to diaphragm
Diaphragm and be deformed it, by diaphragm by the effect of working gas and produce expansion or shrinkage deform, whereby and
The dust that order is attached on diaphragm (lateral surface) drops, and reaches the function of cleaning film piece.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the three-dimensional appearance schematic diagram of the radar wave level meter with dedusting structure of the present invention.
Fig. 2 is the assembled sectional view of the radar wave level meter with dedusting structure of the present invention.
Fig. 3 is the enlarged schematic partial view in Fig. 2.
Fig. 4 uses schematic diagram for the radar wave level meter with dedusting structure of the present invention.
Fig. 5 is another embodiment of the radar wave level meter of the present invention.
Fig. 6 is the air blowing signal of the another embodiment of the radar wave level meter of the present invention.
Fig. 7 is the air-breathing signal of the another embodiment of the radar wave level meter of the present invention.
Fig. 8 is the second embodiment of the radar wave level meter of the present invention.
Wherein, reference：
1、1a：Radar wave level meter
2：Working gas
3：Dust
10、10a：Detection body
11：Gas distribution channel
12：Control board
20、20a：Antenna body
200：Hollow cavity
201：First opening
202：Second opening
30、30a：Diaphragm
40、40a：Antenna lens
41：Gas transmission hole
50：Slide ball
60：Magnetic valve
Embodiment
Detailed description for the present invention and technology contents, schema is coordinated to be described as follows, but institute's accompanying drawings only provide ginseng
Examine and used with explanation, be not used for being any limitation as the present invention.
Fig. 1 to Fig. 3 is refer to, is respectively the three-dimensional appearance signal of the radar wave level meter with dedusting structure of the present invention
Enlarged schematic partial view in figure, assembled sectional view and Fig. 2.The radar wave level meter 1 with dedusting structure of the present invention includes
One detection body 10, an antenna body 20 and a diaphragm 30, wherein, the antenna body 20 is incorporated in the detection body 10,
The diaphragm 30 covers the side of the antenna body 20, forms the radar wave level meter 1 according to this.
The detection body 10 has a gas distribution channel 11 and can launch sensing signal and receive a control of reflected signal
Circuit board 12, and the gas distribution channel 11 connects the inside of the antenna body 20.
The antenna body 20 has a hollow cavity 200.In addition, the antenna body 20 is at two ends of the hollow cavity 200
Respectively one first opening 201 and one second opening 202, and first opening 201 connects the detection body 10.It is preferred that should
Antenna body 20 is in bugle shape, with more preferably radiation pattern, to be measured with profit transmitting and reception signal.
Furthermore the diaphragm 30 is incorporated on the antenna body 20, and cover the second opening 202 of the antenna body 20.
It is preferred that the diaphragm has multiple holes, when reality is implemented, the diaphragm can be by adhesive-bonded fabric, glass fibre or with careful
Cloth (if the size of hole is at 0.5 μm~300 μm) of hole etc. is formed.
In one embodiment of the invention, the radar wave level meter 1 further includes an antenna lens 40.The antenna lens 40
Between the antenna body 20 and the diaphragm 30；In addition, the antenna lens 40 is incorporated in the second opening of the antenna body 20
On 202, and covered by the diaphragm 30.
In the present embodiment, the antenna lens 40 has multiple gas transmission holes 41；It is preferred that those gas transmission holes 41 are at this
Equally ring-like arrangement on antenna lens 40.
It please continue reference picture 4, schematic diagram is used for the radar wave level meter with dedusting structure of the invention.In this implementation
In example, the radar wave level meter 1 uses with unification working gas 2, the working gas 2 mainly for generation of air-flow, therefore institute
The gaseous species used are not intended to limit, and only during actual implementation, the working gas 2 does not react i.e. with measuring thing or measuring environment
Can.
As shown in figure 4, the radar wave level meter 1 of the present invention is in use, the working gas 2 passes through the cocurrent of gas distribution channel 11
Through the hollow cavity 200, then by the antenna lens 40, and flowed out at those gas transmission holes 41.Finally, the working gas
2 can flow to the diaphragm 30, and drive the diaphragm 30 and be deformed it.More specifically, the diaphragm 30 is by the work
Make the effect of gas 2 and produce expansion or shrinkage deformation, make the dust 3 for being attached to (lateral surface) on the diaphragm 30 fall whereby
Fall, reach the function of cleaning the diaphragm 30 whereby.
Referring again to Fig. 5, for another embodiment of the radar wave level meter of the present invention.In the present embodiment, the radar
Ripple level meter 1 further includes a slip ball 50；It is preferred that the slip ball 50 is a low-k material (low-K, low Jie
Electrostrictive coefficient refers to that dielectric coefficient is less than the spheroid 10) formed.Also, the slip ball 50 is arranged in the one of the diaphragm 30
Side, and be contained between the diaphragm 30 and the detection body 10.Accordingly, the slip ball 50 is when the diaphragm 30 deforms
Displacement can be produced, and then makes the dust 3 for being attached on the diaphragm (lateral surface) drop.
It please continue reference picture 6 and Fig. 7, for the another embodiment of the radar wave level meter of the present invention., should in the present embodiment
Radar wave level meter 1 further includes a magnetic valve 60；Also, the magnetic valve 60 controls the working gas 2 to pass in and out the gas distribution channel 11.More
Specifically, pressure differential can be formed between the working gas 2 and extraneous gas, this pressure differential can cause the diaphragm 30 to produce shake
It is dynamic, and the dust 3 that will be attached to (lateral surface) on the diaphragm 30 gets rid of, and reaches the function of cleaning the diaphragm 30 whereby.
It please continue reference picture 8, be respectively the second embodiment of the radar wave level meter of the present invention.In the present embodiment, radar
Ripple level meter 1a includes a detection body 10a, an antenna body 20a and a diaphragm 30a.Detection body 10a has can
Launch sensing signal and receive a control board (not shown) of reflected signal.Also, antenna body 20a one end connects the inspection
Survey body 10a.Diaphragm 30a is incorporated on antenna body 20a, and covers the antenna body 20a other end.
It is preferred that radar wave level meter 1a further includes an antenna lens 40a.Antenna lens 40a is located at the antenna sheet
Between body 20a and diaphragm 30a.Antenna lens 40a is incorporated on the antenna body 20, and is covered by diaphragm 30a.
The present embodiment place different compared to previous embodiment is detection body 10a and is not provided with gas transmission to lead to
Road, it is, cooperating gas does not use radar wave level meter 1a.During actual use, outer gas stream passes through the film
During piece 30a lateral surface, air-flow can drive diaphragm 30a to be deformed, and can make and be attached on the diaphragm 30
Dust 3 drops.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention by knowing those skilled in the art
The protection domain of the claims in the present invention should all be belonged to.
Claims (10)
- A kind of 1. radar wave level meter with dedusting structure, it is characterised in that including:One detection body, there is the control board that can launch sensing signal and receive reflected signal；One antenna body, one end connect the detection body；AndOne diaphragm, it is incorporated on the antenna body, and covers the other end of the antenna body；Wherein, air-flow can make the dust being attached on the diaphragm drop by the diaphragm.
- 2. a kind of radar wave level meter with dedusting structure, it is used with unification working gas, it is characterised in that including:One detection body, there is the control board and a gas distribution channel that can launch sensing signal and receive reflected signal；One antenna body, has a hollow cavity, the antenna body at two ends of the hollow cavity be respectively one first opening and One second opening, first opening connect the detection body；AndOne diaphragm, it is incorporated on the antenna body, and covers the second opening of the antenna body；Wherein, the working gas by the gas distribution channel and drives diaphragm deformation to make the powder being attached on the diaphragm Dirt drops.
- 3. the radar wave level meter according to claim 2 with dedusting structure, it is characterised in that it is saturating to further include an antenna Mirror, the antenna lens are located between the antenna body and the diaphragm, and the antenna lens is incorporated in second opening, and by The diaphragm covers.
- 4. the radar wave level meter according to claim 3 with dedusting structure, it is characterised in that the antenna lens has Multiple gas transmission holes, the gas transmission hole equally ring-like arrangement on the antenna lens.
- 5. the radar wave level meter according to claim 2 with dedusting structure, it is characterised in that the diaphragm has more Individual hole.
- 6. the radar wave level meter according to claim 2 with dedusting structure, it is characterised in that further include slip circle Ball, the slip ball are arranged at the diaphragm medial surface and are contained between the diaphragm and the detection body, the slip ball Displacement can be produced when the diaphragm deforms and makes the foreign object being attached on the diaphragm drop.
- 7. the radar wave level meter according to claim 6 with dedusting structure, it is characterised in that the slip ball is one The spheroid that low-k material is formed.
- 8. the radar wave level meter according to claim 2 with dedusting structure, it is characterised in that further include an electromagnetism Valve, working gas described in the solenoid valve control pass in and out the gas distribution channel, and the diaphragm is produced by the flowing of the working gas The deformation of expansion or shrinkage.
- 9. the radar wave level meter according to claim 2 with dedusting structure, it is characterised in that the diaphragm is not by knitting Cloth, glass fibre or the cloth with careful hole are formed.
- 10. the radar wave level meter according to claim 2 with dedusting structure, it is characterised in that the antenna body is in Bugle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850035.3A CN107870021A (en) | 2016-09-26 | 2016-09-26 | Radar wave level meter with dedusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850035.3A CN107870021A (en) | 2016-09-26 | 2016-09-26 | Radar wave level meter with dedusting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107870021A true CN107870021A (en) | 2018-04-03 |
Family
ID=61750583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610850035.3A Pending CN107870021A (en) | 2016-09-26 | 2016-09-26 | Radar wave level meter with dedusting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107870021A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551233A (en) * | 2019-02-11 | 2020-08-18 | Vega格里沙贝两合公司 | Radar measuring device with plano-convex lens |
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| US20110272866A1 (en) * | 2010-04-26 | 2011-11-10 | Ehsan Shameli | Measurement of charge bank level in a metallurgical furnace |
| CN202350867U (en) * | 2011-08-18 | 2012-07-25 | 陈仁甫 | High-frequency numeral radar detector |
| CN104404188A (en) * | 2014-11-28 | 2015-03-11 | 武汉钢铁(集团)公司 | Phased array radar measurement structure capable of ensuring stable monitoring of burden surface of blast furnace |
| CN204359395U (en) * | 2015-01-13 | 2015-05-27 | 长沙有色冶金设计研究院有限公司 | There is the level-sensing device device of dust reduction capability |
| CN104979610A (en) * | 2014-04-08 | 2015-10-14 | Vega格里沙贝两合公司 | Protection device for wave guide and method for producing protection device |
| CN204824944U (en) * | 2015-08-11 | 2015-12-02 | 邢台钢铁有限责任公司 | Radar stock rod safety cover |
-
2016
- 2016-09-26 CN CN201610850035.3A patent/CN107870021A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005049243A1 (en) * | 2005-10-14 | 2007-04-26 | Vega Grieshaber Kg | Parabolic antenna for level radar has rinsing device with rinsing outlet mounted in outlet member, and outlet member mounted at parabolic reflector |
| CN101523167A (en) * | 2006-09-29 | 2009-09-02 | Vega格里沙贝两合公司 | Silo contents measurements system |
| US20110272866A1 (en) * | 2010-04-26 | 2011-11-10 | Ehsan Shameli | Measurement of charge bank level in a metallurgical furnace |
| CN201828309U (en) * | 2010-10-28 | 2011-05-11 | 上海雄风自控工程有限公司 | Radar level gauge dust cover with flare opening |
| CN102142590A (en) * | 2011-03-22 | 2011-08-03 | 北京科技大学 | Self-cleaning microwave antenna with resistance to high temperature and corrosion |
| CN202350867U (en) * | 2011-08-18 | 2012-07-25 | 陈仁甫 | High-frequency numeral radar detector |
| CN104979610A (en) * | 2014-04-08 | 2015-10-14 | Vega格里沙贝两合公司 | Protection device for wave guide and method for producing protection device |
| CN104404188A (en) * | 2014-11-28 | 2015-03-11 | 武汉钢铁(集团)公司 | Phased array radar measurement structure capable of ensuring stable monitoring of burden surface of blast furnace |
| CN204359395U (en) * | 2015-01-13 | 2015-05-27 | 长沙有色冶金设计研究院有限公司 | There is the level-sensing device device of dust reduction capability |
| CN204824944U (en) * | 2015-08-11 | 2015-12-02 | 邢台钢铁有限责任公司 | Radar stock rod safety cover |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551233A (en) * | 2019-02-11 | 2020-08-18 | Vega格里沙贝两合公司 | Radar measuring device with plano-convex lens |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180403 |
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