CN110954181A - Radar level meter with leakage detection function - Google Patents
Radar level meter with leakage detection function Download PDFInfo
- Publication number
- CN110954181A CN110954181A CN201911238913.6A CN201911238913A CN110954181A CN 110954181 A CN110954181 A CN 110954181A CN 201911238913 A CN201911238913 A CN 201911238913A CN 110954181 A CN110954181 A CN 110954181A
- Authority
- CN
- China
- Prior art keywords
- radar level
- wall
- level gauge
- detection function
- mounting disc
- 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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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 description 15
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a radar level meter with a leakage detection function, which comprises a radar level meter body, wherein a mounting disc is fixedly arranged in the middle of the radar level meter body, the bottom end of the mounting disc is in contact connection with the top end of a connecting disc, a sealing ring is sleeved at the joint of the mounting disc and the connecting disc, a wave guide rod is fixedly arranged at the bottom end of the radar level meter body, and a cleaning structure is arranged on the outer wall of the wave guide rod. When a large amount of gas leaked, the gas pushed the sealing washer to expand to the outside, and the cavity is bloated for the outer wall and the spine contact of sealing washer, the spine will be bloated the some puncture, and high-pressure gas area in the cavity is red powder blowout, sends out the warning and provides the position of leakage point, can realize cleaning the outer wall of guided wave pole through setting up clean structure.
Description
Technical Field
The invention relates to a radar level gauge, in particular to a radar level gauge with a leakage detection function.
Background
The radar level meter adopts a microwave pulse measuring method, can be normal in the industrial frequency wave band range, has low wave beam energy, can be installed in various metal and nonmetal containers or pipelines, and can carry out non-contact continuous measurement on the level of liquid, slurry and granular materials. The method is suitable for occasions with large changes of dust, temperature and pressure and the existence of inert gases and steam. The radar level meter has no harm to human body and environment, and has the advantages of no influence of specific gravity of medium, no influence of dielectric constant change, no need of on-site calibration and regulation, etc.
In view of the above, chinese patent No. CN208606857U proposes a radar level gauge with a leakage detection function, which receives signals from a vibration sensor and a sound sensor through an external processor, and analyzes the signals by the external processor to determine whether there is a leakage in a device requiring detection by the radar level gauge; chinese patent No. CN102301211B proposes a radar level gauge system, further comprising a leakage indicating member movably arranged inside the hollow waveguide in such a way that it is moved when a force acts thereon resulting from a leakage of fluid at the sealing member; and configuring the hollow core waveguide in such a way that movement of the leakage indication member causes at least one microwave propagation characteristic of the hollow core waveguide to change. However, the detection device in the above patent is complex in structure, needs to be analyzed by means of a processor, is small in application range, only has a detection function, cannot block leakage, cannot provide a leakage point, needs an operator to spend time and energy for checking, is low in working efficiency, and meanwhile, impurities are easily attached to a guide wave rod of the radar level meter, so that the measurement precision is influenced.
Disclosure of Invention
It is an object of the present invention to provide a radar level gauge with a leakage detection function to solve the problems presented in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a radar level meter with leak testing function, includes radar level meter body, the middle part fixed mounting of radar level meter body has the mounting disc, the bottom of mounting disc is connected with the top contact of connection pad, the mounting disc is equipped with the sealing washer with the junction cover of connection pad, the bottom mounting of radar level meter body is equipped with the guided wave pole, the outer wall of guided wave pole is provided with clean structure.
Preferably, a supporting block is fixedly arranged on one side of the inside of the sealing ring, a cavity is formed in the other side of the inside of the sealing ring, and high-pressure gas and red powder are filled in the cavity.
Preferably, the edge at radar level gauge body top is equipped with the snap ring, the fixed a plurality of spine that are equipped with of inner wall of snap ring.
Preferably, clean structure includes a plurality of support arc boards with guided wave pole sliding connection, and is a plurality of the inner wall of supporting arc board is all fixed and is equipped with clean sponge.
Preferably, the outer walls of the supporting arc plates are fixedly connected with the inner wall of the lantern ring through spring rods, an L-shaped rod is fixedly arranged in the middle of the outer wall of the lantern ring, and the top end of the L-shaped rod penetrates through the mounting disc.
Preferably, a notch is formed in the bottom of the outer wall of the L-shaped rod, the top of the side wall of the notch is rotatably connected with the two ends of the fixture block respectively, the middle of the bottom end of the fixture block is fixedly connected with the top end of the compression spring, and the bottom end of the compression spring is fixedly connected with the bottom end of the inner wall of the notch.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the sealing ring can improve the sealing property by arranging the sealing ring, the cavity, the snap ring, the sharp prick and the supporting block, and prevent gas from leaking from the joint of the mounting disc and the connecting disc, the sealing ring provides rigid support at the supporting block position, so that the sealing effect is improved, when a small amount of gas leaks, the sealing ring and the supporting block are matched to block and block when a large amount of gas leaks, the gas pushes the sealing ring to expand outwards, the cavity swells, so that the outer wall of the sealing ring is contacted with the sharp prick, the sharp prick punctures the swelling point, high-pressure gas in the cavity sprays out with red powder, the warning is given and the position of the leakage point is provided, so that an operator can conveniently maintain, the burden of the operator is favorably lightened, the working efficiency is improved, the L-shaped rod can be lifted upwards by arranging the cleaning structure, the clamping block is pressed into the gap, and then drive the support backplate and slide from top to bottom, clean sponge cleans the outer wall of guided wave pole, sweeps down the dust debris on guided wave pole surface, is favorable to keeping the cleanness of guided wave pole, reduces because guided wave pole surface adhesion has a large amount of impurity to measuring result's influence.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the sealing ring of the present invention;
FIG. 3 is an enlarged view of a portion of the cleaning structure of the present invention;
FIG. 4 is an enlarged view of a portion of the L-shaped bar of the present invention.
In the figure: 1. a radar level gauge body; 2. mounting a disc; 3. a connecting disc; 4. a seal ring; 5. a cavity; 6. a snap ring; 7. pricking with a sharp point; 8. a wave guide rod; 9. an L-shaped rod; 10. cleaning the sponge; 11. a collar; 12. a spring lever; 13. supporting the arc plate; 14. a notch; 15. a clamping block; 16. a compression spring; 17. and (7) a supporting block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-4, a radar level meter with leakage detection function, including radar level meter body 1, the middle part fixed mounting of radar level meter body 1 has mounting disc 2, the bottom of mounting disc 2 is connected with the top contact of connection pad 3, mounting disc 2 is through the 3 fixed connection of connection pad of a plurality of bolts and the department of awaiting measuring, the junction cover of mounting disc 2 and connection pad 3 is equipped with sealing washer 4, sealing washer 4 can improve the leakproofness, prevent that gas from leaking from the junction of mounting disc 2 and connection pad 3, the bottom mounting of radar level meter body 1 is equipped with guided wave pole 8, the outer wall of guided wave pole 8 is provided with clean structure.
Example two:
on the basis of the first embodiment, as shown in fig. 1 and 2, a supporting block 17 is fixedly arranged on one side inside a sealing ring 4, the supporting block 17 is used for providing rigid support for the sealing ring 4, so that the sealing effect is improved, when a small amount of gas leaks, the sealing ring 4 and the supporting block 17 are matched for plugging, a cavity 5 is formed in the other side inside the sealing ring 4, high-pressure gas and red powder are filled in the cavity 5, a clamping ring 6 is sleeved at the edge of the top end of a radar level gauge body 1, a gap exists between the inner wall of the clamping ring 6 and the outer wall of the sealing ring 4, a plurality of sharp spines 7 are fixedly arranged on the inner wall of the clamping ring 6, when a large amount of gas leaks, the gas pushes the sealing ring 4 to expand outwards, the cavity 5 bulges, so that the outer wall of the sealing ring 4 is in contact with the sharp spines 7, the sharp spines 7 pierce, the maintenance is convenient for operators.
Example three:
on the basis of the first embodiment and the second embodiment, as shown in fig. 1, 3 and 4, the cleaning structure includes a plurality of supporting arc plates 13 slidably connected to the wave guide rod 8, the inner walls of the supporting arc plates 13 are all fixedly provided with cleaning sponges 10, the outer walls of the supporting arc plates 13 are all fixedly connected to the inner wall of the sleeve ring 11 through spring rods 12, the spring rods 12 push the inner wall of the supporting guard plate 13 to cling to the outer wall of the wave guide rod 8, the middle part of the outer wall of the sleeve ring 11 is fixedly provided with an L-shaped rod 9, the L-shaped rod 9 is pushed and pulled to drive the sleeve ring 11 to slide up and down, so as to drive the supporting guard plate 13 to slide up and down, the cleaning sponges 10 clean the outer wall of the wave guide rod 8 to sweep dust and impurities on the surface of the wave guide rod 8 down, the top end of the L-shaped rod 9 penetrates through the mounting plate 2, the bottom of the outer wall of the L-shaped rod 9 is provided, size and the size phase-match of breach 14 of fixture block 15, fixture block 15 card is on the top of mounting disc 2 under the initial condition, block L type pole 9, the middle part of fixture block 15 bottom and compression spring 16's top fixed connection, compression spring 16's bottom and the bottom fixed connection of breach 14 inner wall, when needing to clean guided wave pole 8, upwards mention L type pole 9 earlier, again with fixture block 15 impress the inside of breach 14, compression spring 16 is compressed, L type pole 9 that can slide this moment cleans guided wave pole 8.
It should be noted that, the invention is a radar level gauge with a leakage detection function, firstly, the mounting disc 2 is fixedly connected with the connecting disc 3 at a point to be detected through a plurality of bolts, then the sealing ring 4 is sleeved at the joint of the mounting disc 2 and the connecting disc 3, then the clamping ring 6 is clamped into the top end of the mounting disc 2, when a small amount of gas leaks, the sealing ring 4 is matched with the supporting block 17 for plugging, when a large amount of gas leaks, the gas pushes the sealing ring 4 to expand outwards, the cavity 5 swells, so that the outer wall of the sealing ring 4 is contacted with the sharp prick 7, the sharp prick 7 pierces the bulging point, the high-pressure gas in the cavity 5 ejects red powder, gives out a warning and provides the position of the leakage point, when the guide wave rod 8 needs to be cleaned, the L-shaped rod 9 is lifted upwards firstly, then the clamping block 15 is pressed into the gap 14, the compression spring 16 is compressed, at this time, the L-shaped rod 9 drives, and then drive support backplate 13 and slide from top to bottom, clean sponge 10 cleans the outer wall of guided wave pole 8, sweeps down the dust debris on guided wave pole 8 surface, after the cleanness, upwards stimulates L type pole 9, and fixture block 15 touches the bottom of mounting disc 2, withdraws fixture block 15 to the inside of breach 14 earlier, and when breach 14 was promoted to the top of mounting disc 2, fixture block 15 bounced under compression spring 16's effect, and the card is on the top of mounting disc 2.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a radar level gauge with leak testing function, includes radar level gauge body (1), its characterized in that: the middle part fixed mounting of radar level meter body (1) has mounting disc (2), the bottom of mounting disc (2) is connected with the top contact of connection pad (3), the junction cover of mounting disc (2) and connection pad (3) is equipped with sealing washer (4), the bottom mounting of radar level meter body (1) is equipped with guided wave pole (8), the outer wall of guided wave pole (8) is provided with clean structure.
2. Radar level gauge with leakage detection function according to claim 1, wherein: the novel seal ring is characterized in that a supporting block (17) is fixedly arranged on one side of the interior of the seal ring (4), a cavity (5) is formed in the other side of the interior of the seal ring (4), and high-pressure gas and red powder are filled in the cavity (5).
3. Radar level gauge with leakage detection function according to claim 1, wherein: the edge cover on radar level gauge body (1) top is equipped with snap ring (6), the inner wall of snap ring (6) is fixed and is equipped with a plurality of spine (7).
4. Radar level gauge with leakage detection function according to claim 1, wherein: clean structure includes a plurality ofly and wave guide rod (8) sliding connection's support arc board (13), and is a plurality of the inner wall of supporting arc board (13) all is fixed and is equipped with clean sponge (10).
5. Radar level gauge with leakage detection function according to claim 4, characterized in that: a plurality of the outer wall of supporting arc board (13) all passes through spring rod (12) and the inner wall fixed connection of lantern ring (11), the fixed L type pole (9) that is equipped with in middle part of lantern ring (11) outer wall, mounting disc (2) are run through on the top of L type pole (9).
6. Radar level gauge with leakage detection function according to claim 5, characterized in that: a notch (14) is formed in the bottom of the outer wall of the L-shaped rod (9), the top of the side wall of the notch (14) is rotatably connected with the two ends of a clamping block (15) respectively, the middle of the bottom end of the clamping block (15) is fixedly connected with the top end of a compression spring (16), and the bottom end of the compression spring (16) is fixedly connected with the bottom end of the inner wall of the notch (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238913.6A CN110954181A (en) | 2019-12-06 | 2019-12-06 | Radar level meter with leakage detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238913.6A CN110954181A (en) | 2019-12-06 | 2019-12-06 | Radar level meter with leakage detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110954181A true CN110954181A (en) | 2020-04-03 |
Family
ID=69979860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238913.6A Withdrawn CN110954181A (en) | 2019-12-06 | 2019-12-06 | Radar level meter with leakage detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110954181A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113147A (en) * | 2020-09-07 | 2020-12-22 | 孙永林 | Gas leakage detection ring capable of automatically changing light from convex at joint of natural gas pipeline |
-
2019
- 2019-12-06 CN CN201911238913.6A patent/CN110954181A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113147A (en) * | 2020-09-07 | 2020-12-22 | 孙永林 | Gas leakage detection ring capable of automatically changing light from convex at joint of natural gas pipeline |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20200403 |