CN112212946A - High-precision electronic water gauge - Google Patents
High-precision electronic water gauge Download PDFInfo
- Publication number
- CN112212946A CN112212946A CN201910621457.7A CN201910621457A CN112212946A CN 112212946 A CN112212946 A CN 112212946A CN 201910621457 A CN201910621457 A CN 201910621457A CN 112212946 A CN112212946 A CN 112212946A
- Authority
- CN
- China
- Prior art keywords
- rod
- rod body
- water gauge
- buoy
- water
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
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- 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
- G01F23/30—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 floats
- G01F23/64—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 floats of the free float type without mechanical transmission elements
- G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a high-precision electronic water gauge, which relates to the technical field of measuring equipment and comprises a rod body, an optical assembly and a buoy, wherein the rod body is of a hollow structure, a water inlet is formed in the lower end of the rod body, the water inlet is communicated with a cavity in the rod body, an exhaust hole is formed in the upper end of the rod body, the exhaust hole is communicated with the cavity in the rod body, the buoy is connected to the interior of the rod body in a sliding mode, and the optical assembly is fixedly mounted at the top end of the interior of the. Has the advantages that: the device has simple and reasonable structure, can measure the water level of river water at any depth with high precision, and has high precision and good stability; and the method can achieve a large range according to the water depth, but has small cost increase amplitude and good economical efficiency, and is favorable for popularization and use.
Description
Technical Field
The invention relates to the technical field of measuring equipment, in particular to a high-precision electronic water gauge.
Background
At present, the electronic water gauge of the hydrological station mostly adopts an electrode type, a capacitance type, a pressure type and the like. The measurement precision and the resolution of the electrode type electronic water gauge depend on the height size of the electrode and the distance between the electrodes, are limited by the technical level and the cost, and are determined to be at a lower level; the capacitance type water gauge measures the height of the water level by measuring capacitance change caused by the height change of the water level in the water gauge, and is influenced by environment, temperature, humidity, sand content and the like. The capacitance water gauge has large variation of measurement precision and resolution ratio and poor consistency; the pressure type water gauge measures the pressure generated by the height of a unit water level so as to measure and calculate the height of the water level, and the accuracy of the water gauge of the type is greatly influenced by the sand content and the temperature of a river, so that the water gauge is poor in consistency. The three water gauges are limited by cost, and if the three water gauges are required to achieve large measuring range and high precision, the cost rise range is large, and the economical efficiency is poor. If the water gauge is required to have higher precision and resolution, the water gauge cannot be used.
Disclosure of Invention
The invention aims to solve the problems and provide a high-precision electronic water gauge.
The invention realizes the purpose through the following technical scheme:
the utility model provides a high accuracy electron water gauge, includes the body of rod, optical assembly and buoy, the body of rod is hollow structure, the inlet opening has been seted up to body of rod lower extreme, the inlet opening communicates with each other with the inside cavity of the body of rod, the exhaust hole has been seted up to body of rod upper end, the exhaust hole communicates with each other with the inside cavity of the body of rod, the inside sliding connection of the body of rod has the buoy, the inside top fixed mounting of the body of rod has optical assembly.
Preferably, the overall density of the buoy is no greater than 1 g/cc.
Preferably, the optical assembly can emit and receive light waves of visible or invisible wavelengths.
Has the advantages that: the structural design is reasonable; the precision of the water gauge is not influenced by the ambient temperature, the humidity and the sand content; the precision and the resolution are high; the consistency and the stability are good; and the method can achieve a large range according to the water depth, but has small cost increase amplitude and good economical efficiency, and is favorable for popularization and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a high-precision electronic water gauge according to the present invention.
Fig. 2 is a measurement schematic block diagram of an optical assembly of the high-precision electronic water gauge according to the invention.
Fig. 3 is a measurement schematic diagram of the high-precision electronic water gauge according to the invention.
The reference numerals are explained below:
1. a rod body; 2. a float; 3. an optical component; 4. a water inlet hole; 5. and (4) exhausting holes.
Detailed Description
The technical scheme of the invention is further explained by combining the accompanying drawings as follows:
as shown in fig. 1-3, a high-precision electronic water gauge comprises a rod body 1, an optical component 3 and a float 2, wherein the rod body 1 is of a hollow structure, a water inlet 4 is formed at the lower end of the rod body 1, the water inlet 4 is communicated with an inner cavity of the rod body 1, an exhaust hole 5 is formed at the upper end of the rod body 1, the exhaust hole 5 is communicated with the inner cavity of the rod body 1, water enters the inside of the rod body 1 from the water inlet 4, the float 2 floats on the upper surface of the liquid under the buoyancy of the liquid inside the rod body 1, the exhaust hole 5 is used for keeping the same air pressure inside and outside the rod body 1, so that the water can enter the inside of the rod body 1 from the water inlet 4, the float 2 is connected inside the rod body 1 in a sliding manner, the cross section of the float 2 is consistent with the cross section of the inner cavity of, the optical assembly 3 emits light to the buoy 2 and receives the light reflected by the buoy 2, then the optical assembly 3 can calculate the distance between the optical assembly 3 and the buoy 2, the overall density of the buoy 2 is not more than 1 g/cubic centimeter, the buoy 2 can float on the upper surface of water, and the optical assembly 3 can emit and receive visible or invisible wavelength light waves.
The working principle is as follows: when the water gauge is used, the water gauge is inserted into water to touch the bottom, the transmitting end of the optical assembly 3 transmits visible or invisible wavelength light, part of the light can be subjected to mirror reflection when the light irradiates the upper surface of the buoy 2 and is reflected to the receiving end of the optical assembly 3, the receiving end of the optical assembly 3 receives the light, the distance H2 between the optical assembly 3 and the buoy 2 is calculated by methods such as a pulse method, a phase method, a triangle method and the like, the height H1 of the buoy exposed to the water surface is subtracted by the rod length L, and the distance H2 between the optical assembly 3 and the buoy 2 is the height of the current water level, and the specific principle is shown in figure 3.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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.
Claims (3)
1. The utility model provides a high accuracy electron water gauge which characterized in that: including the body of rod (1), optical assembly (3) and buoy (2), the body of rod (1) is hollow structure, inlet opening (4) have been seted up to the body of rod (1) lower extreme, inlet opening (4) communicate with each other with the inside cavity of the body of rod (1), exhaust hole (5) have been seted up to the body of rod (1) upper end, exhaust hole (5) communicate with each other with the inside cavity of the body of rod (1), the inside sliding connection of the body of rod (1) has buoy (2), the inside top fixed mounting of the body of rod (1) has optical assembly (3).
2. A high accuracy electronic water gauge according to claim 1, characterized in that: the overall density of the buoy (2) is not more than 1 g/cubic centimeter.
3. A high accuracy electronic water gauge according to claim 1, characterized in that: the optical component (3) can emit and receive light waves of visible or invisible wavelengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621457.7A CN112212946A (en) | 2019-07-10 | 2019-07-10 | High-precision electronic water gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621457.7A CN112212946A (en) | 2019-07-10 | 2019-07-10 | High-precision electronic water gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112212946A true CN112212946A (en) | 2021-01-12 |
Family
ID=74048156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910621457.7A Pending CN112212946A (en) | 2019-07-10 | 2019-07-10 | High-precision electronic water gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112212946A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027524A (en) * | 2021-05-08 | 2021-06-25 | 吴远志 | Urban tunnel waterlogging safety prevention and control system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768193A (en) * | 2016-12-05 | 2017-05-31 | 南京航空航天大学 | A kind of water-level measuring post |
-
2019
- 2019-07-10 CN CN201910621457.7A patent/CN112212946A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768193A (en) * | 2016-12-05 | 2017-05-31 | 南京航空航天大学 | A kind of water-level measuring post |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113027524A (en) * | 2021-05-08 | 2021-06-25 | 吴远志 | Urban tunnel waterlogging safety prevention and control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210112 |
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| RJ01 | Rejection of invention patent application after publication |