SU88178A1 - Liquid level measuring device - Google Patents

Description

The invention relates to devices for the iKiMeiieniifi level, KOCT1I, consisting of the included j electrical measurement of the capacitor bridge, replacing its capacitance to; 5, depending on the level / K 1D1H, n, one i of which is composed of j; i) k. and U as JSTopoii, the service itself measures 1chpdkost.

Known devices for leveling / kicking are not accurate enough in cases when the liquid to be wetted by the surface of the sample is wetted, since irradiating the level of the conductive fluid remains in the film, which doesn’t tell the results of the current trend. In addition, the tact of the device is completely inapplicable, if 11; "The power / cell voltage does not conduct an electrical current.

In the onsable device, the ethnosized1 is eliminated by the fact that in cases of intent, the liquidity between the non-sensitized and edeptom 1NxLIM is detected is not the same as the current working range. the level of which is intended, and to improve accuracy, the alternate conductive working surface is covered with a layer of Naol runes) | | (() Stn. iiairnmer, oils, G1ren tst1yu1tsen formed at a working / efficiency ratio of 1gzoliro 5no} | 1 in the conductor.

On fng. 1 shows the scheme of the on-line device: in fig. 2 it has been modified for the case of intentional level of nonconductor sdnkost) g.

The sensor of the device for the intention of leveling; - is a capacitor made up of a filled conductor 1. representing one of its lining, itself measuring 2. 2. representing the second of its facing. The conductor 1 is placed inside the metal pipe 3, near the surface of a liquid liquid and the tube 3 is covered with a layer of insulating liquid 4.

In order to keep the liquid from escaping when dried out, 5, tube 3 ends camera 6. coo6HiaioHieiicK

No. 88178

Ji, HtTcpHoii about OTisepcTiiJiMJt 7. 3biiio: iiieiiHbiii; Thus, the sensor is connected to one arm of the measuring bridge, the other side of which includes a capacitor, capacitor Nos. 8. In parallel with the sensor and the same bridge, the capacitor, capacitance capacitor 9, is switched on, which makes it possible to produce a measurement but a zero method. The circuit can be assembled with a constant capacitor 8 without capacitor capacitance 8, in which case the capacitor of capacitance variable 9 should not be transferred to the jrropoe bridge.

The bridge is not installed at the bridge; it is uninterrupted by the current from the generator of the generator 10, and the indicator is a voltmeter 11, measured by a voltage through the amplifier 12 to the diagonal of the bridge.

In order to measure the outage, the I1controller is n1, eG | liquids, such as fuel in replacement tanks, the sensor is connected to j.uiiCTepne 5 through an intermediate vessel 13, divided by the non-partition 14 into two. sobi | , an) H1.111g is the upper part, cavity A c B, and the cavity L and the sensor are filled with current sensor H1, with a working fluid of 15, and cavity B is connected to the tank 5, -measurable liquid 2. For n) power. mixing these (K11D1 -; ()) the upper part of the volume of the vessel 13 is watered with insulating material 16, for example, oil.

In order to measure the level with the help of the device, it is necessary to hold the variable capacitance knob 9 to balance the bridge, which is characterized by a zero reading of the output / output ratio; In this case, the position of the handle of the capacitor 9 according to the corresponding opio grading of the scale of the | | -; you can measure () g / chid |;

Subject invention

Claims (4)

1. A device for measuring the level of a liquid, consisting of the inclusion in the electrical device of the capacitor, changes its capacity according to the level of n-power, one plate of which is made of an insulated non-conductor, and the measured liquid itself serves as the second , so that in order to improve measurement accuracy by eliminating a film of a conductive liquid on an insulated capacitor, the measured liquid is covered with a layer of insulating liquid, such as oil. 2. The device according to claim 1, about tl and h and y p; This is due to the fact that to measure the level of the nets of conduits,} An fuel enrichment tank in substitution submarine tanks, a working conductor is placed between the liquid to be measured, which serves as the second plate of the co-condenser. 3. The form of execution of the device but in. 1 and 2, characterized in that for the non-contagious from contamination of the working fluid between it and the fluid being measured, including a vessel with a partial septum, filled with an anti-swelling fluid, iairimer oil. 4.In the device by pi. 1 and 2 are used as an electrical measuring device of an optical bridge operating on a zero meter. The method, one of the shoulders of which includes a level-measuring capacitor, and, parallel to one or the other arm of the bridge, is included a commissary TH, an unassisted cat1 capacitor, reads the level of the liquid or the amount of fuel in the replacement tanks at ixOToporo. 5J 2