CN219977513U - Steel rope type wave height sensor - Google Patents
Steel rope type wave height sensor Download PDFInfo
- Publication number
- CN219977513U CN219977513U CN202321367434.6U CN202321367434U CN219977513U CN 219977513 U CN219977513 U CN 219977513U CN 202321367434 U CN202321367434 U CN 202321367434U CN 219977513 U CN219977513 U CN 219977513U
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- amplifier
- electrically connected
- filter
- square wave
- wave generator
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 239000000523 sample Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract 2
- 239000006223 plastic coating Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a steel rope type wave height sensor, which comprises: the system comprises a steel rope probe, a reference square wave generator, a duty ratio dynamic change square wave generator, a multistage filter and a multistage amplifier; the steel wire probe is electrically connected with the square wave generator with the duty ratio dynamically changed. The reference square wave generator and the duty ratio dynamic change square wave generator are respectively and electrically connected with the primary filter; the primary filter is electrically connected with the primary amplifier; the primary amplifier is electrically connected with the secondary filter; the next-stage filter is electrically connected with the next-stage amplifier, and the final-stage filter is electrically connected with the final-stage amplifier. Through being connected wire rope's one end and detection circuit electricity, cover one deck plastic coating on wire rope surface and form the probe, this probe is connected with detection circuit electricity after, when the water level around the probe changes, realizes the accurate measurement to water level change through the detection circuit who is connected with it.
Description
Technical Field
The utility model relates to the technical field of detection, in particular to a steel rope type wave height sensor.
Background
The probe used by the existing water level sensor is of a hard rod structure, has large overall length and high weight, is difficult to transport, and is not suitable for hydraulic prototype observation. In the hydraulic prototype observation, because the base point water level has large amplitude, large fluctuation and high flow velocity, the water level (liquid level) sensor with the existing structure can not accurately detect the water level in the environment.
Meanwhile, the water level sensor with the existing structure cannot accurately measure the height of liquid with rapid lifting change of liquid level such as wave height.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a steel rope type wave height sensor which can measure the liquid level change of the water surface which severely and greatly fluctuates and has accurate measurement results.
The utility model provides a steel rope type wave height sensor, which comprises the following components: the device comprises a steel wire probe, a reference square wave generator, a duty ratio dynamic change square wave generator, a multi-stage filter and a multi-stage amplifier; the steel wire probe is electrically connected with the square wave generator with the duty ratio dynamically changed;
the reference square wave generator and the duty ratio dynamic change square wave generator are respectively and electrically connected with the primary filter; the primary filter is electrically connected with the primary amplifier; the primary amplifier is electrically connected with the secondary filter; the next-stage filter is electrically connected with the next-stage amplifier, and the final-stage filter is electrically connected with the final-stage amplifier.
Preferably, the wire probe includes: steel wire rope and plastic cover layer; the plastic covering layer is coated on the steel wire rope; the steel wire rope is electrically connected with the square wave generator with the duty ratio dynamically changed.
Preferably, the length of the steel wire rope is 5-20 m; the diameter of the steel wire rope is 10mm; the thickness of the plastic cover layer was 1mm.
Preferably, the multistage filter includes: the first filter is electrically connected with the reference square wave generator and the duty ratio dynamic change square wave generator respectively.
Preferably, the multistage amplifier comprises: a first amplifier; the signal output end of the first filter is electrically connected with the signal input end of the first amplifier; the first amplifier signal output is electrically connected to the second filter signal input.
Preferably, the multistage amplifier comprises: a second amplifier, a third amplifier; the signal output end of the second filter is electrically connected with the signal input end of the second amplifier; the signal output end of the second amplifier is electrically connected with the signal input end of the third amplifier; the third amplifier signal output outputs a signal.
The utility model has the beneficial effects that:
1) According to the steel rope type wave height sensor provided by the utility model, one end of the steel wire rope is electrically connected with the detection circuit, and the other end of the steel wire rope is covered with the plastic covering layer to serve as the probe, after the probe is electrically connected with the detection circuit, the probe can move in water along with the water level change, the accurate measurement of the water level change is realized through the detection circuit electrically connected with the probe, and the steel rope flexible probe with the structure replaces the traditional rigid rod probe, so that the problems that the probe with the size of more than 5m is inconvenient to transport and is impacted by water flow in water and difficult to fix are effectively solved.
2) The steel rope type wave height sensor provided by the utility model has the advantages of large measuring range, high strength and convenience in transportation and installation. The conversion circuit is suitable for a large amplitude variation range and has stable performance. The method is particularly suitable for measuring the fluctuation of the water surface of the hydropower station stilling pool, the plunge pool and the downstream.
Drawings
FIG. 1 is a schematic diagram of a connection of a steel rope type wave height sensor module provided by the application;
FIG. 2 is a schematic view of a steel rope probe provided by the utility model; wherein a) is a front view; b) A-a is a schematic cross-sectional structure of a drawing;
FIG. 3 is a schematic diagram of a circuit structure of a steel rope type wave height sensor provided by the utility model; wherein a) is a schematic diagram of a signal acquisition circuit of the steel rope probe; b) A signal output circuit schematic diagram connected with the graph a;
legend description:
1. a wire; 2. a wire rope; 3. a plastic cover layer; 11. a reference square wave generator; 12. a duty cycle dynamically varying square wave generator; 111. a first filter; 112. a first amplifier; 113. a second filter; 114. a second amplifier; 115. a third amplifier; 116. a third filter; 121. a steel rope probe.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
The technical means which are not described in detail and are not used for solving the technical problems of the utility model are all arranged according to common general knowledge in the field, and various common general knowledge arrangement modes can be realized.
Referring to fig. 1 to 3, the steel rope type wave height sensor provided by the present utility model includes: the device comprises a steel rope probe, a reference square wave generator, a duty cycle dynamic change square wave generator, a first filter, a first amplifier, a second filter, a second amplifier, a third amplifier and a third filter; the steel rope probe is electrically connected with the duty ratio dynamic change square wave generator, can be connected through a wire 1, moves up and down along with a water body through the steel rope probe with good light weight and flexibility after being connected, generates square waves through the reference square wave generator electrically connected with the same filter, changes relative to the reference square wave generator when the water level changes, filters the obtained signal through the filter after the electric signal is obtained, amplifies the filtered signal through the same-level amplifier after the interference signal is reduced, outputs signals through the next-level filtering and amplifier combination module after the signal strength is increased, and outputs a water level change result after the obtained signal is processed through the multistage filter and the amplifier.
The two potentiometers are arranged by adopting the detection circuit, so that the problem of large liquid level amplitude is effectively solved.
The detection circuit matched with the probe converts the capacitance change generated by the steel wire rope flexible probe into voltage change to realize accurate measurement of liquid level change. The components of the detection circuit used in the utility model correspond to the functional modules respectively.
The device can measure the sensing transducer of violent and large-amplitude water surface fluctuation, and the steel rope type wave height sensor has large measuring range and high strength and is convenient to transport and install. The conversion circuit is suitable for a large amplitude variation range and has stable performance. The method is particularly suitable for measuring the fluctuation of the water surface of the hydropower station stilling pool, the plunge pool and the downstream.
In a specific embodiment, the steel cord probe comprises: the stainless steel wire rope and a layer of plastic covered on the stainless steel wire rope form the probe. The length of the steel wire rope is 5-20 m; the diameter of the steel wire rope is 10mm; the thickness of the plastic cover layer was 1mm. The steel wire rope with the size can effectively improve the strength and the capability of the probe to handle stormy waves, and meanwhile, an accurate measurement result can be effectively obtained.
In a specific embodiment, the reference square wave generator and the duty cycle dynamic change square wave generator are respectively and electrically connected with the first filter; the first filter is electrically connected with the first amplifier; the first amplifier is electrically connected with the second filter; the second filter is electrically connected with the second amplifier; the second amplifier is electrically connected with the third filter; the third filter is electrically connected to the third amplifier. Referring to fig. 3 specifically, the circuit can reduce clutter infection in the measurement result and improve accuracy of the processing result.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A steel rope wave height sensor, comprising: the system comprises a steel rope probe, a reference square wave generator, a duty ratio dynamic change square wave generator, a multistage filter and a multistage amplifier; the steel wire probe is electrically connected with the square wave generator with the duty ratio dynamically changed;
the reference square wave generator and the duty ratio dynamic change square wave generator are respectively and electrically connected with the primary filter; the primary filter is electrically connected with the primary amplifier; the primary amplifier is electrically connected with the secondary filter; the next-stage filter is electrically connected with the next-stage amplifier, and the final-stage filter is electrically connected with the final-stage amplifier.
2. The rope wave sensor of claim 1, wherein the rope probe comprises: steel wire rope and plastic cover layer; the plastic covering layer is coated on the steel wire rope; the steel wire rope is electrically connected with the square wave generator with the duty ratio dynamically changed.
3. The steel rope type wave height sensor according to claim 2, wherein the length of the steel rope is 5-20 m; the diameter of the steel wire rope is 10mm; the thickness of the plastic cover layer was 1mm.
4. The rope wave sensor of claim 1, wherein the multistage filter comprises: the first filter is electrically connected with the reference square wave generator and the duty ratio dynamic change square wave generator respectively.
5. The rope wave sensor of claim 4, wherein the multistage amplifier comprises: a first amplifier; the signal output end of the first filter is electrically connected with the signal input end of the first amplifier; the first amplifier signal output is electrically connected to the second filter signal input.
6. The rope wave sensor of claim 5, wherein the multistage amplifier comprises: a second amplifier, a third amplifier; the signal output end of the second filter is electrically connected with the signal input end of the second amplifier; the signal output end of the second amplifier is electrically connected with the signal input end of the third amplifier; the third amplifier signal output outputs a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321367434.6U CN219977513U (en) | 2023-05-31 | 2023-05-31 | Steel rope type wave height sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321367434.6U CN219977513U (en) | 2023-05-31 | 2023-05-31 | Steel rope type wave height sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219977513U true CN219977513U (en) | 2023-11-07 |
Family
ID=88578965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321367434.6U Active CN219977513U (en) | 2023-05-31 | 2023-05-31 | Steel rope type wave height sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219977513U (en) |
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2023
- 2023-05-31 CN CN202321367434.6U patent/CN219977513U/en active Active
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