SU537240A1 - Gauge hydrometric coordinates flow - Google Patents

Description

one

This invention relates to the field of hydrometry and is intended to measure the velocity and depth of a stream.

Devices are known comprising a blade screw, a housing, a horizontal axis with a sleeve, a contact mechanism, and two rotary bearing H-1.

Such devices have a limited measurement limit and give inaccurate measurement results.

The closest in technical essence to the invention is a device comprising a speedometer, made in the form of a housing with an impeller, a photoelectric sensor consisting of a photoresistance and an illuminator, and a load 2.

This device has a higher accuracy of measurement, but it is not possible to simultaneously measure the speed and depth of the flow.

The purpose of the invention is to improve the measurement accuracy while simultaneously measuring the speed and depth of the flow.

This is achieved by the fact that, in the proposed meter, the load is made in the form of a chamber, which communicates with the medium by two floats and is hydraulically driven, and is connected to the speed meter by a tube forming the light channel.

In addition, in the meter, the photoresistance is installed in the center of the velocity meter housing, and the illuminator is installed in the cargo chamber housing between the calibration hole and floats.

FIG. 1 shows a meter, a longitudinal section; in fig. 2 is the same axial section ..

The gauge of hydrometric coordinates of a stream contains a speedometer 1, a depth gauge

2 (aka cargo compartment), bow compartment

3gruz, tail section 4 of cargo with stabilizer 5 (fore and aft section of cargo are connected to the depth gauge body on a screw thread). The speed meter and depth gauge are interconnected by a tube 5 having two channels 6 for electric drives.

The speed meter 1 has a tubular body 7, inside which along the longitudinal axis there is a hollow shaft 8, which freely rotates in low friction bearings, and a screw 9 is mounted on the shaft on the front of the device,

A stabilizer 10 is fixed on the housing on the back. In the middle part there are two through slits I, and a box 12 with photoresistance is mounted above the slots directly above the slots.

Depth gauge 2 consists of a tubular body 13, a cylindrical float chamber 14, two sleeves 15 adjacent to the chamber with spring-loaded arms 16- connected with a deep corrugation to the flange 17, adjustment screws 18 for the initial

installation pistons. The space of the sleeves is communicated through the holes in the lower part of the end with the ceiling chamber, the lower end of which is tightly closed by a screw washer 19.

In the float chamber there are two floats — an annular 20; in the upper plane of which, around the circumference, are mounted photoresistances, hermetically closed by a translucent plate, and an internal float 21 carrying the microwire.

The movement of the floats is limited to one degree of freedom due to the presence of two guide rails 22 (Fig. 2) for the annular float and the axial square tube 23 for the internal float; The axial tube also serves to pass the microwire. At the top of the axial tube 23 is welded to the blind flange 24, and its lower end is free. The blind flange 24 has an annular grooved slot 25 closed by a translucent plate and rests loosely along the internal contour of the float chamber on the annular protrusion.

Directly under the flange 24, several holes 26 are drilled in the walls of the float chamber to allow air to enter the upper part of the depth gauge housing, which has an air screw 27 (Fig. 1) and is separated from the rest of the casing volume by a diaphragm 28. Above the flange 24 (see Fig. 2) An annular box 29 of the lighting device is inserted into the body of the float chamber, is open at the bottom and is pressed against its lower edges through the gasket to the flange with a screw nut 30. The top of the lighting box is connected with three openings to the cavities of the tube 5 (two side tversti - for the passage of microwire, middle hole - light).

In the box 29 a lighting device is installed in the form of a plate-like helix with a light applied on its both sides.

composition constant or in the form of a nichromic element powered by electric current. The float chamber is filled to a certain level with a clear liquid, for example, aqueous glycerin or aqueous alcohol.

The walls of the sleeves 15 are welded to the filling and control tubes 31, which are closed from the bottom with stoppers, which serve to fill the float chamber with liquid. The outlets of the tubes 31 and the faceplate 19 are fenced off from the remaining volume of the meter, access to them is made through the inspection hatch 32.

The meter is made detachable with access to every detail.

Claims (2)

1. The gauge of the hydrometric coordinates of the flow, containing a speedometer, made in. a housing with an impeller, a photoelectric sensor consisting of a photoresistance and an illuminator, and a load, characterized in that, in order to improve the accuracy of measuring the flow rate while simultaneously measuring speed and depth, the load in it is in the form of a chamber communicating with the medium, two floats and a hydraulic drive, and is connected to the speed gauge by a tube forming the light channel. 2. The device according to claim 1, characterized in that the photoresistance is set to center of the speedometer housing, and the illuminator is in the cargo chamber housing between the calibration hole and floats. Sources of information taken into account in the examination: 1.Avt. St. No. 263912, cl. G 01 C 13/00, 1967. 2. Avt. St. No. 125082, G 01 P 5/06, 1959.