CN214309017U - Liquid level measuring device of gravity flow circular water pipeline - Google Patents
Liquid level measuring device of gravity flow circular water pipeline Download PDFInfo
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- CN214309017U CN214309017U CN202120397634.0U CN202120397634U CN214309017U CN 214309017 U CN214309017 U CN 214309017U CN 202120397634 U CN202120397634 U CN 202120397634U CN 214309017 U CN214309017 U CN 214309017U
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- liquid level
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- gravity flow
- level meter
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Abstract
The utility model discloses a liquid level measurement device of circular water pipeling of gravity flow belongs to pipeline level measurement technical field. Comprises a radar liquid level meter and a protective cover. The radar liquid level meter is fixed on the rain drainage pipeline, a through hole is formed in the top of the rain drainage pipeline, a detection head of the radar liquid level meter extends into the rain drainage pipeline through the through hole, and the radar liquid level meter is used for measuring the liquid level in the rain drainage pipeline; the protection cover covers the probe, the lower end of the protection cover is open, the upstream surface of the protection cover is a water-impermeable surface, the rest surfaces of the protection cover are water-permeable surfaces, and water-permeable holes are densely distributed on the water-permeable surfaces. The cross section of the protective cover is in a shuttle shape with a short left side and a long right side, wherein the left side of the protective cover is the upstream surface. The utility model provides a liquid level measurement device of circular water pipeling of gravity flow can reduce the height of silt in the pipeline, reduces the cleaning frequency of detecting head, prevents that the detecting head from blockking up, and the radar level gauge does not receive the influence of steam, condensate water, and measurement effect is superior to traditional supersound level gauge.
Description
Technical Field
The utility model relates to a pipeline liquid level measurement technical field, concretely relates to liquid level measurement device of circular water pipeling of gravity flow.
Background
Gravity flow, which is a non-Newtonian fluid, is carried integrally by mixing a deposition medium and sediments, also called as density flow and block flow, has large integral turbidity, is mainly carried in a suspension mode, and is a high-density fluid with a large amount of sediments dispersed. Is a high-density fluid which flows under the action of gravity and is dispersed with a large amount of sediments. Debris flow and turbidity flow are common, and the rain pipe line is gravity flow. At present, an ultrasonic liquid level meter measuring method is generally selected to measure the liquid level of a pipeline which is not full of the pipeline, but the ultrasonic wave beam angle is large, multiple reflection exists, false echo is formed, rainwater is filled with a large amount of silt, the probe is easy to block due to the large amount of silt, and the probe needs to be cleaned frequently. The transmission of sound waves in the rain drainage pipeline is greatly influenced, so that the liquid level measurement error is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem among the prior art, provide a gravity flow circular water pipeline's level measurement device. The liquid level measurement effect is superior to traditional ultrasonic wave level gauge, can block the silt of rainwater, prevents that radar level gauge's probe from being blockked up by silt, reduces the level measurement error.
The utility model provides a liquid level measurement device of circular water pipeling of gravity flow, include: the radar liquid level meter is fixed on a rain drainage pipe, a through hole is formed in the top of the rain drainage pipe, a detection head of the radar liquid level meter extends into the rain drainage pipe through the through hole, and the radar liquid level meter is used for measuring the liquid level in the rain drainage pipe; the protection casing, cover in on the probe, the upstream surface of protection casing is established to impervious surface, and the remaining face of protection casing is the surface of permeating water, it has the hole of permeating water to gather on the surface of permeating water.
Preferably, the cross section of the protective cover is in a shuttle shape with a short left side and a long right side, wherein the left side of the protective cover is a water facing surface.
Preferably, the axis of a probe of the radar liquid level gauge is perpendicular to the liquid level to be measured in the rain drainage pipe.
Preferably, a waterproof sealing ring is further arranged between the through hole and a detecting head of the radar liquid level meter.
Preferably, a protective shell is arranged on the radar liquid level gauge main body part of the radar liquid level gauge exposed outside the rain drainage pipeline.
Compared with the prior art, the beneficial effects of the utility model are that: the radar liquid level meter is not influenced by steam and condensed water, the using effect is better than that of the traditional ultrasonic liquid level meter, and the rainwater liquid level in a rainwater drainage pipeline can be measured more accurately; the arrangement of the protective cover reduces the cleaning frequency of the detecting head and prevents the detecting head from being blocked, so that the rain drainage liquid level measuring system runs stably and measures accurately, the expected effect can be achieved, and the field use is met; the cross section of the protective cover is in a shuttle shape with a short left side and a long right side, so that the upstream surface can conveniently block silt in rainwater, the rainwater can quickly pass through the water permeable surface, the drainage speed is accelerated, and the liquid level measurement is smoother; the axis of a probe of the radar liquid level meter is vertical to the liquid level to be measured in the rain drainage pipeline, so that a liquid level measurement signal is enhanced; a waterproof sealing ring is arranged between the through hole and a detecting head of the radar liquid level meter, so that the influence of rainwater and silt on liquid level measurement is prevented, and the safety and reliability of the device are improved; the radar liquid level meter main body part of the radar liquid level meter exposed outside the rain drainage pipeline is provided with the protective shell, so that the service life of the radar liquid level meter is prolonged, and the influence on liquid level measurement is avoided; the use of radar level gauges is referred to by those skilled in the art, and reference can be made to such measurements for large gravity flow circular pipes, without having to install a marshall tank on site.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the protective cover of the present invention;
fig. 3 is a top view of the protective cover of the present invention.
Description of reference numerals: 1-radar level gauge, 2-rain drainage pipe, 3-protective cover, 31-impervious surface, 32-pervious surface and 4-radar level gauge main body.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a pair of gravity flow circular water pipeline's liquid level measurement device, as shown in figure 1, include: the radar liquid level meter 1 is fixed on the rain drainage pipe 2, a through hole is formed in the top of the rain drainage pipe 2, a detection head of the radar liquid level meter 1 extends into the rain drainage pipe 2 through the through hole, and the radar liquid level meter 1 is used for measuring the liquid level in the rain drainage pipe 2; the protection casing 3 covers on the probe, and the upstream face of protection casing 3 is established to impervious surface 31, and the remaining face of protection casing 3 is pervious surface 32, it has water permeable hole 33 to gather on the pervious surface 32. The protection casing can effectively restrict the height of silt in the rainwater, blocks silt, increases the rainwater velocity of flow.
As shown in fig. 2, the cross section of the shield 3 is in a shuttle shape with a short left side and a long right side, and the left side of the shield 3 is facing the water. The protection casing is the fretwork setting, mainly blocks silt in the rainwater, makes water pass through fast.
As shown in the attached figure 1, the axis of a probe of the radar liquid level meter 1 is perpendicular to the liquid level to be measured in the rain drainage pipe 2. The radar liquid level meter is guaranteed to measure the liquid level above the medium, and measuring signals are enhanced.
As shown in the attached figure 1, a waterproof sealing ring is further arranged between the through hole and a detecting head of the radar liquid level meter 1. The stability of the whole device is enhanced.
As shown in fig. 1, a protective casing is arranged on a part of the radar liquid level gauge main body 4 of the radar liquid level gauge 1 exposed outside the rain drainage pipe 2. The damage of the radar liquid level meter under wind, wind and sun is avoided, or the service life is shortened.
The using method comprises the following steps: the factory area is limited by geographical positions, and the open channel cannot be constructed and built to be provided with the Parshall tank so as to match the ultrasonic liquid level meter to measure the liquid level and replace the ultrasonic liquid level meter with a radar liquid level meter. In rainy days, rainwater is discharged into a rainwater pipeline, and the waterproof surface 31 of the protective cover 3 is touched firstly when the rainwater flows to the front section in the rainwater drainage pipeline, so that silt in rainwater is effectively blocked, rainwater can rapidly pass through the waterproof surface, the height of a horizontal plane and the accumulated silt is reduced, the drainage speed is accelerated, and the radar liquid level meter is also convenient to carry out liquid level measurement. And then the liquid level is detected by the radar liquid level meter under the radar liquid level meter. Therefore, the radar liquid level meter calculates the flow value through the simulation of the electronic unit, and finally obtains the approximate rainwater flow in the rainwater drainage pipeline. The radar level gauge 1 employs an 80GHz radar (FMCW) level transmitter.
By adopting the technical scheme, the rain drainage level measuring system is stable in operation and accurate in measurement, can achieve the expected effect, and meets the requirement of field use. Reference can be made to this measurement for large gravity flow circular pipes without having a bushel tank installed on site.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a liquid level measurement device of circular water pipeling of gravity flow which characterized in that includes:
the radar liquid level meter (1) is fixed on the rain drainage pipe (2), a through hole is formed in the top of the rain drainage pipe (2), a detection head of the radar liquid level meter (1) extends into the rain drainage pipe (2) through the through hole, and the radar liquid level meter (1) is used for measuring the liquid level in the rain drainage pipe (2);
the protection casing (3), cover in on the probe, the upstream face of protection casing (3) is established to impervious surface (31), and the remaining face of protection casing (3) is for permeating water surface (32), it has water permeable hole (33) to gather on the surface of permeating water (32).
2. The liquid level measuring device of the gravity flow circular water pipeline as claimed in claim 1, wherein the cross section of the protective cover (3) is in the shape of a shuttle with a short left side and a long right side, wherein the left side of the protective cover (3) is the upstream side.
3. The liquid level measuring device of the gravity flow circular water pipe as claimed in claim 1, wherein the axis of the probe of the radar level gauge (1) is perpendicular to the liquid level to be measured in the rain drain pipe (2).
4. The liquid level measuring device of the gravity flow circular water pipeline as claimed in claim 1, wherein a waterproof sealing ring is further arranged between the through hole and a detecting head of the radar liquid level gauge (1).
5. The liquid level measuring device of the gravity flow circular water pipe as claimed in claim 1, wherein a portion of the radar level gauge body (4) of the radar level gauge (1) exposed outside the rain drain pipe (2) is provided with a protective case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120397634.0U CN214309017U (en) | 2021-02-23 | 2021-02-23 | Liquid level measuring device of gravity flow circular water pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120397634.0U CN214309017U (en) | 2021-02-23 | 2021-02-23 | Liquid level measuring device of gravity flow circular water pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214309017U true CN214309017U (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120397634.0U Active CN214309017U (en) | 2021-02-23 | 2021-02-23 | Liquid level measuring device of gravity flow circular water pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214309017U (en) |
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2021
- 2021-02-23 CN CN202120397634.0U patent/CN214309017U/en active Active
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