CS251958B1 - Level indicator for sensing the level of pressure] liquid - Google Patents

Abstract

The solution concerns a level indicator with an electrical output for sensing the level of a pressurized liquid. The essence of the solution lies in the fact that a horizontal float chamber is formed in a body made of antimagnetic material, in which a shaft is rotatably mounted in a horizontal plane, on which a lever is wedged with its center. A first weight with a permanent magnet is attached to one end of the lever, and a second weight is attached to the other end of the lever. Due to the fact that weights made of solid non-porous material are used for the function of the level indicator, e.g. the first weight made of copper and a permanent magnet is built into it, while the second weight is made of polytetrafluoroethylene, the level indicator can operate with a pressure of up to 200 MPa. Such a level indicator can be used in hydraulic pressure systems and in pressure equipment in the chemical industry.

Description

251958

BACKGROUND OF THE INVENTION The present invention relates to a level indicator for reading a pressure fluid level in pressurized containers.

So far known fluid level sensing solutions of the fluid level are complex and robust! with the purity and chemical stability of the working fluid. Failure to comply with these claims reduces the reliability of the function. An ornate level marker is known which uses mercury for its function. Mercury oxides have an adverse effect on the function of the level indicator. For its proper function, alignment and adjustment of the level indicator, it requires qualified operators, as a result of improper handling, mercury leakage may occur, which is undesirable in terms of hygiene.

Also known is a float level marker dia. Author's Certificate No. 159 959 with hollow overfilled float. This swelling of the float is made in order to avoid deformation of the float when the pressure changes. However, this level indicator is not suitable for sensing the liquid level by rapid changes in pressure, since deformation of the float can occur due to the unbalance of float pressures. Reliability of the function reduces the absorption of gas into the liquid in the float space. With long-term sensing of one level, the float can sink.

The above-mentioned drawbacks are eliminated by the level indicator for sensing the level of the pressure drop, consisting of a level indicator of the antimagnetic material, in which a horizontal float chamber is formed and there is a rotatably mounted shaft in the horizontal plane on which the lever of the invention according to the invention is centered. the essence of which is that a first weight is attached to one of the pins and a second weight is attached to the other end of the lever, which is a material of lower weight than the first weight.

The first weight and the second weight are formed from a full homogeneous non-porous material of greater specific gravity than the weight of the working fluid. The second weight has a heavier weight than the first weight of the first weight of the second weight of the second weight. The advantage of the level indicator for sensing the pressure fluid level according to the invention is that it is of simple construction and low maintenance. The cushion provides the required function even at high pressures and rapid pressure changes.

In the accompanying drawing, an example of an embodiment of a level indicator is shown according to the invention, wherein in Fig. 1 this level marker is in section C — O.

The level indicator according to the invention consists of a layer 1 of an antimagnetic material in which a horizontal float chamber Z is formed. The float chamber 2 is formed on one side by the front wall of the body 1, and the float chamber 2 is provided with a damping chamber on the other side. a damping insert 3 is provided circumferentially through openings 5 in which filter inserts S are embedded. A threaded bore is formed in the center of the damping element 3, in which the adjusting screw is screwed 7 secured by nut 8.

The end of the adjusting screw 7 is provided with an opening in which the tapered part 9 is rotatably supported by a tapered portion 9 in a horizontal plane, the other end of which is rotatably supported by the tapered portion thereof in an opening of the holder 10 which is fixedly connected by a damping A lever 12 is fixedly connected to the shaft 9, where a first weight 13 is attached to one end of the lever 13, in which a permanent magnet 29 is mounted and a second weight 14 is attached to the other end of the lever. the magnet 20 and the second weight 14 are formed from a solid, homogeneous non-porous material to prevent their deformation when the pressure is changed. The specific weight of the two weights is greater than the specific weight of the working fluid. The ends of the lever 12 are equidistant from the center of the shaft 9. The second weight 14 is made of a lower density material relative to the first permanent magnet weight 13. The second weight 14 has a higher weight of the opposite difference between the first permanent magnet weight 13 and the buoyancy force of the second weight 14 in the front of the permanent magnet 13 and the magnetic sensor 15 with the electrical output in the front wall of the float chamber 2. a point behind permanent magnet 20 when lever 12 is in position B.

The stroke of the lever 12 in the working position B is limited by the stop screw 16 on which the second weight 14 abuts. The stop screw 16 is screwed in the front wall of the float chamber 2. On the body 1, a slip-on housing 17 is provided, which is with the body The flange 17 is provided with a flange 19 on the side of the pressure fluid supply side. The different volumes and weights of the first weight 13 with the manganese magnet 29 and the second weight 14 make it unlikely that the float chamber 2 is filled liquid, deflects the lance 12 to the base position A when the second weight 14 is in the lower position due to greater weight. If the float chamber is filled with liquid, the lever 12 deflects the higher force of the second weight 14 to position B. In this situation, the first permanent magnet weight 13 reaches the level of the magnetic sensor 15 to which it acts by its magnetic by field

Claims (2)

251958 Turns it on. This impulse can be used for signaling the level of pressure fluid in the float chamber 2. The damping pad 3 serves for the leveling and filtering of the liquid flowing into the float chamber 2. The maximum working pressure of the level indicator is determined by the strength of the body 1 of the heater, the housing 17, the lock nut 18 and the flange 19, and in practice the value is up to 200 MPa. As an example of the materials of the individual weights of the level indicator below (and it is noted that the first weight 13 is formed from a medium in which a per-magnet 20 is incorporated. A second weight 14 made of polytetrafluoroethylene. used in hydraulic pressure systems in pressure equipment in the chemical industry where it is necessary to consider the aggressiveness of the environment against the used material weight OBJECTS Level gauge for sensing the level of a pressure fluid consisting of a body of anti-magnetic material in which a horizontal float chamber in which a shaft is mounted in a horizontal plane, on which a lever is lined in a center, characterized in that a first weight [13] is fixed at one end of the lever (12) and at the other end of the lever [12] a second weight (14) is attached which is substantially less material the weight as the first weight (13), wherein the first weight (13) and the second weight (14) are formed from a solid, homogeneous, higher density material than the specific weight of the working fluid, wherein the second weight (14) has a weight (13) the greater the weight of the pollination difference between the buoyancy force of the first weight (13) and the buoyancy force of the second weight (14). 1 sheet of drawings