CN220120199U - Device for reinforcing radar level gauge recovery signal - Google Patents
Device for reinforcing radar level gauge recovery signal Download PDFInfo
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- CN220120199U CN220120199U CN202321540992.8U CN202321540992U CN220120199U CN 220120199 U CN220120199 U CN 220120199U CN 202321540992 U CN202321540992 U CN 202321540992U CN 220120199 U CN220120199 U CN 220120199U
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- 238000011084 recovery Methods 0.000 title claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 title abstract description 9
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims description 17
- 230000002708 enhancing effect Effects 0.000 claims description 9
- 229920001875 Ebonite Polymers 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a device for reinforcing a radar level gauge recovery signal, which comprises a level gauge body, wherein the level gauge body comprises an electromagnetic wave emitter, one side of the electromagnetic wave emitter is provided with a connecting seat, one side of the connecting seat, which is far away from the electromagnetic wave emitter, is provided with a flange plate, the other side of the flange plate is provided with an antenna, the outer side of the antenna is sleeved with a blocking pipe, the energy density of false echo can be reduced through the blocking pipe, a sensor can filter out the false signal easily, the accuracy of the radar recovery signal is enhanced, the blocking pipe is a telescopic corrugated pipe, the coverage area of a horn mouth is reduced, the emitted wave is changed into a cylinder shape from the original cone shape, the radiation area is reduced, the purpose of reducing the false echo signal in a container is achieved, the telescopic corrugated pipe can realize the adjustment of the actual detection position on site, the transformation cost is saved, and the purpose of reducing the cost and the efficiency is achieved.
Description
Technical Field
The utility model relates to the technical field of level indicators, in particular to a device for reinforcing a radar level indicator recovery signal.
Background
Radar waves are a special form of electromagnetic waves, and radar level gauges use the special properties of electromagnetic waves for level detection. The physical properties of electromagnetic waves are similar to those of visible light, and the propagation speed corresponds to the speed of light. The frequency is 300MHz-3000GHz. Electromagnetic waves can penetrate through space steam, dust and other interference sources, obstacles are easy to reflect, and the better the conductivity or the larger the dielectric constant of a measured medium is, the better the reflection effect of echo signals is. The radar level gauge measures the level by processing the time that a radar wave is emitted from a probe to the surface of a medium and then returned to the probe, and a plurality of interference signals are mixed in a reflected signal, so that the processing of a real echo and the recognition technology of various false echoes become key factors for accurately measuring the radar level gauge:
the loudspeaker of the existing radar level gauge is in a horn-shaped structure, when barrier substances exist in a 1/3 conical emission area closest to an antenna, false reflection signals are stronger due to the fact that the barrier substances are closer, the energy density of false echoes is high, and accuracy of radar recovery signals is reduced.
Disclosure of Invention
The utility model aims to provide a device for reinforcing a radar level gauge recovery signal, which has the characteristics of simple improvement principle, convenient operation and wide adaptability, and can realize the purpose of reducing false echo signals in a container.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a strengthen radar charge level indicator recovery signal's device, includes the charge level indicator body, the charge level indicator body includes electromagnetic wave transmitter, one side of electromagnetic wave transmitter is provided with the connecting seat, one side that electromagnetic wave transmitter was kept away from to the connecting seat is provided with the flange board, the opposite side of flange board is provided with the antenna, the separation pipe has been cup jointed in the outside of antenna.
In order to facilitate connection of the blocking pipes and the flange plates and connection of the blocking pipes, the device for reinforcing the recovery signal of the radar level gauge is preferable, wherein connecting flanges are fixedly connected to the upper end and the lower end of each blocking pipe, a plurality of uniformly distributed connecting screw holes are formed in the outer wall of each connecting flange, and one end of each blocking pipe is detachably connected with the flange plates through the connecting screw holes and bolts.
In order to adjust the length of the blocking pipe according to the situation, the device for enhancing the recovery signal of the radar level gauge is preferably used, and the blocking pipe is a telescopic corrugated pipe.
In order to be convenient to be sleeved outside the antenna for blocking the false echo signals, the device for reinforcing the recovery signals of the radar level gauge is preferable, and the inner diameter of the blocking tube is larger than the diameter of the antenna.
For the purpose of connection more tightly, the device for reinforcing the recovery signal of the radar level gauge is preferably provided with the connecting flange which is made of hard rubber
In order to improve the connection strength, the device for reinforcing the recovery signal of the radar level gauge is preferably provided with a hole sleeve made of metal sleeved on the inner side of the connection screw hole.
Compared with the prior art, the utility model has the following beneficial effects:
by arranging the blocking tube, the blocking tube is sleeved on the outer side of the antenna with the horn-shaped structure, the blocking tube can avoid causing false reflection in an emission angle, effectively avoid having barrier substances in a 1/3 conical emission area nearest to the antenna, avoid strong false reflection signal interference, reduce the energy density of false echo through the blocking tube, and enable a sensor to filter false signals more easily, thereby enhancing the accuracy of radar recovery signals;
the separation pipe is a telescopic corrugated pipe, the bell mouth coverage area is reduced, the emission wave is changed into a cylinder from the original cone shape, the radiation area is reduced, the purpose of reducing false echo signals in a container is achieved, the device is simple in improvement principle, convenient to operate and wide in adaptability, the radar level gauge recovery signal can be easily enhanced by using the device, the on-site actual detection position of the telescopic corrugated pipe can be adjusted, the transformation cost is saved, and the purpose of reducing the cost and enhancing the efficiency is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the level gauge and the baffle tube of the present utility model in a disassembled state;
FIG. 3 is a top view of the flange of the present utility model;
FIG. 4 is a diagram of the reflected signals of obstacles on two sides of a level gauge in the prior art;
FIG. 5 is a diagram of the reflected signals from obstacles on two sides of the level gauge according to the present utility model;
in the figure: 1. an electromagnetic wave emitter; 2. a connecting seat; 3. a flange plate; 4. an antenna; 5. a barrier tube; 6. a connecting flange; 7. a connecting screw hole; 8. and (5) a hole sleeve.
Detailed Description
Referring to fig. 1 to 5, a device for enhancing recovery signal of radar level gauge comprises a level gauge body, wherein the level gauge body comprises an electromagnetic wave emitter 1, one side of the electromagnetic wave emitter 1 is provided with a connecting seat 2, one side of the connecting seat 2 away from the electromagnetic wave emitter 1 is provided with a flange plate 3, the other side of the flange plate 3 is provided with an antenna 4, and the outer side of the antenna 4 is sleeved with a blocking tube 5.
In this embodiment: through setting up separation pipe 5, separation pipe 5 cup joints in the antenna 4 outside of tubaeform structure, separation pipe 5 can avoid having the spurious reflection in the emission angle, effectively avoid having barrier material at the 1/3 toper transmitting zone that is closest to antenna 4, avoid strong spurious reflection signal interference, can reduce the energy density of false echo through separation pipe 5, make the sensor filter out false signal more easily, therefore the accuracy of radar recovery signal has been strengthened, separation pipe 5 is scalable bellows, reduce horn mouth coverage area, make the emission wave become cylindrical from original toper, just also reduce the radiation area, thereby realize reducing the purpose of false echo signal in the container, and can carry out length adjustment according to on-the-spot actual detection position, the suitability is strong, as shown in fig. 4, radar level gauge that does not install separation pipe 5, antenna 4 both sides barrier reflection signal is accepted by the radar, cause the error signal, after the separation pipe 5 is installed to additional, both sides barrier is effectively separated by the ripple pipe, feedback acceptance signal is actual measured value.
As a technical optimization scheme of the utility model, the upper end and the lower end of the blocking pipe 5 are fixedly connected with the connecting flange 6, the outer wall of the connecting flange 6 is provided with a plurality of uniformly distributed connecting screw holes 7, and one end of the blocking pipe 5 is detachably connected with the flange plate 3 through the connecting screw holes 7 and bolts.
In this embodiment: through setting up flange 6 to be convenient for separate pipe 5 and flange board 3 and be connected, easy dismounting can splice according to on-the-spot actual detection position two sections and multistage separation pipe 5 simultaneously, and the concatenation is convenient, and the practicality is strong.
As a technical optimization scheme of the utility model, the blocking pipe 5 is a telescopic corrugated pipe.
In this embodiment: the obstruction tube 5 is a telescopic corrugated tube, can be used for adjusting the length according to the actual detection position on site, and has strong applicability.
As a technical optimization scheme of the utility model, the inner diameter of the blocking tube 5 is larger than the diameter of the antenna 4.
In this embodiment: the inner diameter of the blocking tube 5 is larger than the diameter of the antenna 4, so that the blocking tube is conveniently sleeved on the outer side of the antenna 4, the energy density of false echo is reduced, and the sensor can filter false signals more easily.
As a technical optimization scheme of the utility model, the connecting flange 6 is made of hard rubber.
In this embodiment: the connecting flange 6 is made of hard rubber, so that the connection strength and the connection tightness are improved.
As a technical optimization scheme of the utility model, the inner side of the connecting screw hole 7 is sleeved with a hole sleeve 8 made of metal.
In this embodiment: the hole sleeve 8 of metal material has been cup jointed to the inboard of connecting screw 7, through setting up the hole sleeve 8 of metal material, makes bolted connection more firm, avoids the flange 6 of rubber material damaged, increase of service life.
Working principle: through setting up separation pipe 5, separation pipe 5 cup joints in the antenna 4 outside of tubaeform structure, separation pipe 5 can avoid having to cause the spurious reflection in the emission angle, effectively avoid having barrier substance at 1/3 toper transmitting zone that is closest to antenna 4, avoid strong spurious reflection signal interference, can reduce the energy density of false echo through separation pipe 5, make the sensor filter out false signal more easily, therefore the accuracy of radar recovery signal has been strengthened, separation pipe 5 is scalable bellows, reduce horn mouth coverage area, make the emission wave become cylindrical by original toper, just also reduced radiation area, thereby realize reducing the purpose of false echo signal in the container, and can carry out length adjustment according to on-the-spot actual detection position, and is strong in applicability.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides a strengthen radar charge level indicator recovery signal's device, includes charge level indicator body, its characterized in that: the level gauge comprises a level gauge body and is characterized in that the level gauge body comprises an electromagnetic wave emitter (1), a connecting seat (2) is arranged on one side of the electromagnetic wave emitter (1), a flange plate (3) is arranged on one side, far away from the electromagnetic wave emitter (1), of the connecting seat (2), an antenna (4) is arranged on the other side of the flange plate (3), and a blocking tube (5) is sleeved on the outer side of the antenna (4).
2. The apparatus for enhancing radar level gauge recovery signals according to claim 1, wherein: the upper end and the lower end of the separation pipe (5) are fixedly connected with connecting flanges (6), a plurality of uniformly distributed connecting screw holes (7) are formed in the outer wall of each connecting flange (6), and one end of the separation pipe (5) is detachably connected with the flange plate (3) through the connecting screw holes (7) and bolts.
3. The apparatus for enhancing radar level gauge recovery signals according to claim 1, wherein: the blocking pipe (5) is a telescopic corrugated pipe.
4. The apparatus for enhancing radar level gauge recovery signals according to claim 1, wherein: the inner diameter of the blocking tube (5) is larger than the diameter of the antenna (4).
5. The apparatus for enhancing radar level gauge recovery signals according to claim 2, wherein: the connecting flange (6) is made of hard rubber.
6. The apparatus for enhancing radar level gauge recovery signals according to claim 2, wherein: the inner side of the connecting screw hole (7) is sleeved with a hole sleeve (8) made of metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540992.8U CN220120199U (en) | 2023-06-16 | 2023-06-16 | Device for reinforcing radar level gauge recovery signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321540992.8U CN220120199U (en) | 2023-06-16 | 2023-06-16 | Device for reinforcing radar level gauge recovery signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120199U true CN220120199U (en) | 2023-12-01 |
Family
ID=88894415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321540992.8U Active CN220120199U (en) | 2023-06-16 | 2023-06-16 | Device for reinforcing radar level gauge recovery signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120199U (en) |
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2023
- 2023-06-16 CN CN202321540992.8U patent/CN220120199U/en active Active
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