CN212747971U

CN212747971U - Laser measuring tube for measuring water gauge

Info

Publication number: CN212747971U
Application number: CN202022245292.9U
Authority: CN
Inventors: 颜胜
Original assignee: Guangxi Zhongjian Detection Technology Service Co ltd; China Inspection And Certification Group Guangxi Co ltd
Current assignee: Guangxi Zhongjian Detection Technology Service Co ltd; China Inspection And Certification Group Guangxi Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-03-19
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a laser measuring tube for measuring water gauge, which comprises a measuring tube (3) vertically inserted into the water body, wherein the bottom of the measuring tube (3) is provided with an opening for liquid to flow into the inner cavity of the measuring tube, the top of the measuring tube (3) is provided with a laser displacement sensor (1), the tube wall at the lower part of the measuring tube (3) is provided with a baffle (4), and the baffle (4) is provided with a one-way valve (5); a floatable reflecting plate (6) is arranged in the inner cavity of the measuring pipe (3), and the reflecting plate (6) is positioned between the baffle plate (4) and the laser displacement sensor (3); the pipe wall of the measuring pipe (3) is provided with a vent hole (2), and the vent hole (3) is positioned between the reflecting plate (6) and the laser displacement sensor (1) and is positioned above the liquid level during measurement. The utility model discloses can realize the high precision measurement of water level millimeter level, have easy operation, the security is high and the characteristics that artifical observation error is little.

Description

Laser measuring tube for measuring water gauge

Technical Field

The utility model relates to a water gauge measuring tool field specifically is a laser survey buret for water gauge is measured.

Background

The water gauge weighing is an important weighing mode for shipping bulk cargo, but for a long time, due to the influence of factors such as actual personnel observation errors, hull trim, external sea waves and the like and the lack of a uniform observation standard, the accuracy of a water gauge observation result is controversial all the time, and the difficulty is increased for evaluating the weighing capacity of the water gauge. Wherein the disputed measuring link is water gauge observation. In order to reduce the observation difficulty of the water gauge, a plurality of novel observation methods are proposed in succession, but the problems of subjective judgment exist. The international recognition that the weighing accuracy of the water gauge is five thousandths, but the difficulty of ensuring a high-precision observation result in a hydrologic complex environment is very high, and particularly, the ideal water gauge observation condition is difficult to achieve under the condition of surge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a laser survey buret for water gauge is measured is provided, can realize water gauge high accuracy through this laser survey buret and measure to have simple operation, high and the little characteristics of personnel's observation error of security.

The utility model discloses solve above-mentioned technical problem with following technical scheme:

the utility model relates to a laser measuring tube for water gauge measurement, which comprises a measuring tube vertically inserted into a water body, wherein the bottom of the measuring tube is provided with an opening for liquid to flow into the inner cavity of the measuring tube, the top of the measuring tube is provided with a laser displacement sensor, the wall of the lower part of the measuring tube is provided with a baffle plate, and the baffle plate is provided with a one-way valve; a floatable reflecting plate is arranged in the inner cavity of the measuring tube and is positioned between the baffle and the laser displacement sensor; the pipe wall of the measuring pipe is provided with a vent hole, and the vent hole is positioned between the reflecting plate and the laser displacement sensor and is positioned above the liquid level during measurement.

The baffle is ring shape, and the check valve is installed at the middle part of baffle, and liquid flows to the inner chamber of surveying buret through the check valve from surveying buret bottom.

The survey buret is made by resistant sea water corrosion's stainless steel material.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) adopt the utility model discloses laser survey buret carries out water level measurement, has reduced hydrology environment such as surge to a certain extent to the influence of water gauge measuring result, has improved measurement accuracy and detection efficiency.

2) The utility model discloses a mode of laser displacement sensor range finding directly acquires water level information, has the advantage that directly perceived, real-time, personnel observation error are little and the result is easily saved.

3) The utility model discloses laser survey buret has easy operation, the high characteristics of security to can realize millimeter level high accuracy water level measurement.

4) The utility model discloses laser survey buret can adopt split type structure, and wherein survey buret can segment the dismouting, and the daily maintenance of being convenient for and washing long-pending salt can be measured in the wave environment of various fluctuation ranges in all weather, has very strong suitability and stability.

Drawings

Fig. 1 is the structure schematic diagram of the laser measuring tube for water gauge measurement of the utility model.

In the figure: 1-a laser displacement sensor; 2-a vent hole; 3-measuring tube; 4-a baffle plate; 5-a one-way valve; 6-reflecting plate.

Detailed Description

The technical solution of the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, the utility model relates to a laser measuring tube for water gauge measurement, which comprises a laser displacement sensor 1, a measuring tube 3, a baffle 4, a one-way valve 5 and a reflecting plate 6, wherein the laser displacement sensor 1 is arranged at the top of the measuring tube 3, a circular baffle 4 is arranged on the vertical tube wall of the measuring tube 3, and the middle part of the circular baffle 4 is provided with the one-way valve 5; a floatable reflecting plate 6 is arranged in the inner cavity of the measuring pipe between the baffle 4 and the laser displacement sensor 1; the pipe wall of the measuring pipe 3 between the reflecting plate 6 and the laser displacement sensor 1 is provided with a vent hole 2; the bottom of the measuring tube 3 is open and forms a through structure for liquid to flow into the inner cavity of the measuring tube.

Installation the utility model discloses during laser survey buret, will through cable conductor or other member the utility model discloses during laser survey buret's lower part inserted the sea water perpendicularly, the upper portion of surveying buret 3 was exposed outside the sea water to make 6 showy on the liquid level of reflecting plate, guarantee simultaneously that air vent 2 is located the liquid level top, be fixed in the hull that needs the measurement with cable conductor or other members after according with above-mentioned operation requirement on.

When the water gauge is used for measuring, water can enter the inner cavity of the measuring tube 3 from the bottom of the measuring tube 3 according to the principle of a communicating device, and water can continuously enter the inner cavity of the measuring tube 3 through the one-way valve under the action of liquid pressure difference until the liquid level is equal to the outside water level, and at the moment, the reflecting plate 6 can float in the measuring tube 3 under the action of buoyancy; the light emitted by the laser displacement sensor 1 irradiates on the floating reflecting plate 6, and the reflected light is received by the laser displacement sensor 1, so that the position change information of the reflecting plate 6 is received by the laser displacement sensor in real time, namely the water level of the seawater can be detected by the laser displacement sensor in real time. Because the laser displacement sensor 1 has millimeter-scale measurement accuracy, the high-accuracy measurement of the water gauge can be realized.

The utility model discloses set up baffle 4 and check valve 5, had the effect of blockking to the wave, it is little outside the liquid level fluctuation range is compared outside the outer pipe in messenger surveys buret 3, has reduced the degree of difficulty and the error of observation to a certain extent.

Because the utility model discloses 3 upper portions at survey buret of survey set up air vent 2, air vent 2 can guarantee to survey 3 interior atmospheric pressure of buret of survey and unanimous with the outside of tubes atmospheric pressure to make survey 3 interior outer liquid levels of buret of survey when measuring and keep flat, can effectively guarantee the accurate measurement of liquid level.

Survey buret 3's body adopts resistant sea water corrosion's stainless steel material to make, and the body can adopt split type structure, can segment the dismouting, is convenient for routine maintenance and washing long-pending salt.

In addition, survey buret 3's body length and can confirm according to the scope and the portability of stormy waves, improved the utility model discloses laser survey buret's suitability.

The utility model discloses surveying behind surveying buret 3 successfully inserting the aquatic, the distance reading can change along with the weight change of measurement ship, is convenient for measure the water level under night and the unclear scene of sight.

Claims

1. A laser measuring tube for measuring a water gauge is characterized by comprising a measuring tube (3) vertically inserted into a water body, wherein the bottom of the measuring tube (3) is provided with an opening for liquid to flow into an inner cavity of the measuring tube, the top of the measuring tube (3) is provided with a laser displacement sensor (1), a baffle (4) is arranged on the tube wall at the lower part of the measuring tube (3), and a one-way valve (5) is arranged on the baffle (4); a floatable reflecting plate (6) is arranged in the inner cavity of the measuring pipe (3), and the reflecting plate (6) is positioned between the baffle plate (4) and the laser displacement sensor (1); the pipe wall of the measuring pipe (3) is provided with a vent hole (2), and the vent hole (2) is positioned between the reflecting plate (6) and the laser displacement sensor (1) and is positioned above the liquid level during measurement.

2. The laser measuring tube for water gauge measurement according to claim 1, characterized in that the baffle (4) is circular, the one-way valve (5) is installed in the middle of the baffle, and the liquid flows from the bottom of the measuring tube to the inner cavity of the measuring tube through the one-way valve.

3. The laser measuring tube for water gauge measurement according to claim 1 or 2, characterized in that the measuring tube (3) is made of stainless steel material resistant to seawater corrosion.