RU2498198C1 - Check method of air overpressure in inhabited tank compartments - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: according to the proposed method, excess pressure in a fighting compartment is measured by means of an air overpressure metre. The latter represents a glass tube with two marks, which is connected to atmosphere, and with a ball arranged in the tube. When excess pressure of 35 mm of water column is reached, the air overpressure metre ball moves upwards along the tube to upper position, which gives evidence of available air overpressure. Excess air pressure acts on the piston and moves it. At the piston movement, an electric circuit is closed, and a signal from a lamp and through a register of a sound signalling device warns the crew of available air overpressure in the inhabited compartment.

EFFECT: increasing degree of informativity of a crew.

1 dwg

Description

The invention relates to the field of military equipment, in particular to methods for determining air backwater in inhabited compartments of armored vehicles.

There is a method of checking air back pressure in inhabited compartments of a tank, in which the overpressure in the fighting compartment is measured using a sub-measure, which is a glass tube with two risks connected to the atmosphere and to a ball placed in it. When an overpressure of 35 mm water column is reached, the sub-measuring ball rises through the tube to the upper position, which indicates the presence of air pressure (see Technical Description and T-72A Tank Operation Manual, Book Two (Part Two). Military Publishing House of the USSR Ministry of Defense 1989 ., p. 124. Open edition. Prototype.).

The known method of checking the air pressure in the inhabited compartments of the tank allows you to determine the required excess air pressure in the inhabited compartments of the tank. However, this method is not informative and does not allow to timely notify crew members of the presence of the necessary amount of air pressure in the inhabited compartments created by the filtering and ventilation unit.

The objective of the present invention is to increase the degree of information, ensuring the automatic supply of information to the crew about the presence of air pressure in the inhabited compartments of the tank.

The technical result of the proposed invention is to determine the air pressure in the inhabited compartments created by the filtering installation, and timely informing the crew about it with an audio and light signal, which is a signal allowing fire from the main armament, which reduces the likelihood of poisoning by the powder gases emitted during firing , as well as the ingress of radioactive dust during the passage of the tank through the radioactive contaminated area.

The technical solution of the proposed invention is the setting of an additional device that allows you to automatically apply sound and light signals to the crew, indicating the presence of air backwater in the inhabited departments.

A method for checking air back pressure in inhabited compartments of a tank includes checking air back pressure in inhabited compartments of a tank, in which the overpressure in the fighting compartment is measured using a sub-measure, which is a two-risk glass tube connected to the atmosphere and to a ball placed in it. When an overpressure of 35 mm water column is reached, the ball of the sub-gauge rises through the tube to the upper position, which indicates the presence of air back-up. According to the invention, the piston located in the cylinder is raised to the upper position by pressure of the air in the inhabited compartments and closes the electric circuit, transmit sound and light signals to the crew via the electric wires about the presence of air back-up in the tank, and increase the crew's information content.

The invention is illustrated in figure 1, which shows a device that ensures the operation of the method of checking air pressure in the inhabited compartments of the tank, where: 1 - a bulb; 2 - cylinder; 3 - inhabited departments; 4 - electric wires; 5 - register; 6 - sound signaling device; 7 - piston with contacts; 8 - supercharger filtering installation (FVU); 9 - excess air pressure; 10 - a tube; 11 - power supply of the tank. Figure 1 also shows two positions of the piston with contacts: the first is the position of the piston in the absence of air back pressure, indicated by a straight line (▬), the second is the position of the piston in the presence of air back pressure, indicated by a dotted line (.......).

The FVU supercharger 8 is designed to create excess pressure 9 in the inhabited compartments of the tank 3 in order to reduce the gas contamination by powder gases and to prevent the ingress of radioactive dust. The FVU supercharger is brought into operation from the tank 11 power source through electric wires 4 and creates excess air pressure 9 in the inhabited compartments 3. Cylinder 2 is designed to accommodate the piston with contacts 7. Tube 10 is necessary for air in the piston space to communicate with air outside the tank for enable piston movement. Light bulb 1 and sound alarm 6 are sources of air pressure. Thus, when the FVU supercharger 8 is operating, excess air pressure 9 is created, which acts on the piston with contacts 7, which moves to close the electrical circuit, the signal is transmitted to bulb 1 and through register 5 to the sound signaling device 6, crew members are notified of air pressure in inhabited offices 3.

An example of the method

The FVU supercharger 8 creates excessive air pressure 9 in the inhabited compartments 3. The tube 10 provides air communication in the piston space with the external environment and the piston with contacts 7 moves along the cylinder 2 to the upper position. From the power supply 11 through the electric wires 4, the signal is transmitted to the bulb 1 and through the register 5 to the sound signaling device 6. The crew members are notified.

The proposed method allows to determine the presence of excess pressure in the inhabited departments and timely inform the crew about this in the form of sound and light signals.

Literature

1. Technical description and operating instructions for the T-72A tank book two (part two) Military Publishing House of the USSR Ministry of Defense 1989 p. 124 Open edition. Prototype.

Claims (1)

A method for checking air back pressure in inhabited compartments of a tank, comprising checking air back pressure in inhabited compartments of a tank, in which the overpressure in the fighting compartment is measured using a sub-measure, which is a two-risk glass tube connected to the atmosphere and to a ball placed in it, when the overpressure of 35 mm water column is reached, the sub-measuring ball rises through the tube to the upper position, which indicates the presence of air back-up, characterized in that the piston located in the cylinder D, the air pressure in the crew compartment is raised to the upper position and close an electrical circuit, electric wires for transmitting sound and light signals the presence of crew air overpressure in the tank to increase the degree of informativeness crew.