KR101165754B1 - Generating device of air pressure for launching test using a prescribed pressure contour, test system having the same and generating method of air pressure for launching test - Google Patents

Abstract

The present invention relates to a pneumatic generating device for a launch test, a launch test system and a pneumatic generation method for a launch test, wherein the launch test pneumatic growth value is supplied by storing air and supplying the stored air to a launch tube, A pneumatic generation unit having a pressure control valve disposed on the supply path of air to control the pressure of air, and a control unit controlling the pressure control valve so that the pressure of the supplied air corresponds to a preliminary pressure diagram; In addition, the preliminary pressure diagram may be set in order to correspond to a change in pressure of the combustion gas applied to the projectile by a gas generator that can be mounted to the launch tube. As a result, the present invention provides a driving force that meets the projectile launch requirements at a lower cost quickly.

Description

GENERATING DEVICE OF AIR PRESSURE FOR LAUNCHING TEST USING A PRESCRIBED PRESSURE CONTOUR, TEST SYSTEM HAVING THE SAME AND GENERATING METHOD OF AIR PRESSURE FOR LAUNCHING TEST}

The present invention relates to a pneumatic generating device for the launch test for providing a propulsion force of the projectile, a launch test system having the same and a pneumatic generation method for the launch test.

In the case of projectiles such as missiles and guided weapons, they are fired by propulsion while mounted on the launch tube. In order to generate such a driving force, a combustion gas generated by igniting a gas generator that meets the launch requirements of the projectile is generally used. The gas generator is installed at the rear of the launch tube to provide propulsion and is composed of an ignition device, a propellant and a combustion gas discharge nozzle.

In order to develop a gas generator, it takes very complicated steps such as design / manufacture and performance verification, which requires a lot of development time and budget. In addition, performance testing of gas generators and projectile launchers involves a lot of cost and safety risks.

Therefore, a method for simulating the firing pressure of the gas generator by generating the same thrust force generated in the gas generator may be considered.

The present invention is to provide a pneumatic generating device for the launch test, a launch test system having the same and a pneumatic generation method for the launch test to generate a propulsion force of the projectile more quickly and safely.

It is also an object of the present invention to provide a pneumatic generator for launch testing that simulates a gas generator.

In order to achieve the above object of the present invention, the pneumatic growth growth test for firing test according to an embodiment of the present invention, to enter and store the air, to supply the stored air to the launch tube and to control the pressure of the supplied air A pneumatic generation unit having a pressure control valve disposed on the supply path of the air, and a control unit controlling the pressure control valve so that the pressure of the supplied air corresponds to the preliminary pressure diagram. Specific pressure values are sequentially set with time so as to correspond to the pressure change of the combustion gas applied to the projectile by the gas generator that is mountable to the launch tube.

According to an example related to the present invention, the pneumatic generating unit includes a storage container, a discharge part and an open / close valve. The storage container is connected to the compressor and stores the compressed air in the compressor. A discharge portion extends from the reservoir and is connected to the launch tube to supply the stored air to the launch tube. An on-off valve is disposed between the reservoir and the discharge portion, and is configured to turn on and off the supply of the stored air. The pressure control valve may be disposed between the on-off valve and the discharge portion.

According to another example related to the present invention, the pneumatic fresh growth value for the launch test includes at least one of a flow control valve and a pneumatic discharge path. The flow rate control valve is disposed on the movement path of the air, and controls the flow rate of air supplied from the reservoir to the launch tube. The pneumatic discharge path branches between the discharge portion and the pressure control valve to remove residual pressure.

In addition, in order to realize the above object, the present invention, the launching tube is disposed, and the projecting pipe is connected to the launching tube to supply the air to propel the projectile to the rear end of the projectile and the pressure of the supplied air corresponds to the preliminary pressure diagram And a pneumatic generator for testing the launch, wherein the preliminary pressure diagram is set in time with specific pressure values to correspond to a change in pressure of the combustion gas applied to the projectile by a gas generator mountable to the launch tube. .

In addition, according to another embodiment of the present invention, a pneumatic generation method for a test for testing may include setting a preliminary pressure diagram in which specific pressure values are sequentially arranged over time so as to correspond to a pressure change of a gas generator combustion gas, and propelling a projectile. And supplying air to the launch tube to control the pressure control valve disposed on the supply path of the air so as to correspond to the preliminary pressure diagram.

According to another example related to the present invention, the preliminary pressure diagram may be set to match the pressure change detected by the pressure sensor mounted on the bottom of the launch tube and the pressure change of the combustion gas.

The launch test pneumatic generating device, the launch test system having the same, and the launch test pneumatic generation method according to the present invention configured as described above have a preliminary pressure diagram. Limiting the response speed of valves and pressure sensors can be alleviated. In addition, through this, the propulsion force that meets the projectile launch requirements can be generated more quickly and safely, and preliminary tests or performance checks of the projectiles are possible before the gas generator is developed.

In addition, the present invention can simulate the gas generator, it is possible to supply a driving force that meets the projectile launch requirements without the production of a gas generator prototype. In addition, this can reduce the time and cost of projectile development, and the firing behavior of the projectile can be confirmed / verified at an early stage.

1 is a conceptual diagram showing a launch test system using a pneumatic generator according to an embodiment of the present invention.
2 is a flow chart illustrating a pneumatic generation method in accordance with the present invention.
3A and 3B are graphs showing a preliminary pressure diagram and a control target pressure diagram, respectively.
4 is a configuration diagram of the pneumatic generating device shown in FIG.
5 is a block diagram showing an operating mechanism of the pneumatic generator shown in FIG.

Hereinafter, a pneumatic generation device for a launch test, a launch test system having the same, and a pneumatic generation method for a launch test according to the present invention will be described in detail with reference to the accompanying drawings. In the present specification, the same or similar reference numerals are assigned to the same or similar configurations in different embodiments, and the description thereof is replaced with the first description. As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

1 is a conceptual diagram showing a launch test system (S) using a pneumatic generator according to an embodiment of the present invention.

The launch test system S includes a projectile 10, a launch tube 20, and a pneumatic generator 100.

The projectile 10 is propelled by a gas generator to be launched from the launch tube 20, and may be, for example, a missile, a guided weapon, a torpedo, or the like.

Launch tube 20 is made of a hollow, the projectile 10 is inserted into the hollow portion of the launch tube 20, the hollow portion is formed to guide the projectile 10 to move in the longitudinal direction of the launch tube 20. do.

Pneumatic generating device 100 is connected to the launch tube 20 to supply air to the rear end of the projectile 10 to propel the projectile (10). More specifically, the pneumatic generator 100 is connected to the bottom of the launch tube 20, and supplies compressed air to form a high pressure between the rear end of the projectile 10 and the bottom of the launch tube 20.

According to the illustration, the pressure sensor 101a is mounted on the bottom inner surface of the launch tube 20. The pressure sensor is made to measure the air pressure between the rear end of the projectile 10 and the bottom of the projectile 20, it can be assumed that the measured air pressure is the pressure applied to the projectile.

The pneumatic generator 100 may be controlled so that the pressure of the air supplied to the launch tube 20 corresponds to the preliminary pressure diagram. The preliminary pressure diagram is formed to apply a pressure similar to the pressure of the combustion gas applied to the projectile by a gas generator that can be mounted to the projectile, and may be an intermediate control target of the pneumatic generator 100.

Hereinafter, a test method applicable to the test system S will be described in more detail. 2 is a flowchart illustrating a pneumatic generation method according to the present invention, and FIGS. 3A and 3B are graphs showing a preliminary pressure diagram and a control target pressure diagram, respectively.

2, in the pneumatic generation method, first, a preliminary pressure diagram is set (S100).

The preliminary pressure diagram may be set to match the pressure change detected by the pressure sensor mounted on the bottom of the launch tube and the pressure change of the combustion gas. More specifically, the preliminary pressure diagram may be calculated experimentally. For example, when the pneumatic generator applies pneumatic pressure following a certain pressure diagram, if the pressure change detected by the pressure sensor corresponds to the control target pressure change, Select any pressure diagram as a preliminary pressure diagram.

Referring to FIG. 3B, the control target pressure diagram may be a change in pressure of the combustion gas applied to the projectile by the gas generator, which may be calculated experimentally and computationally. Referring to FIG. 3A, the preliminary pressure diagram is configured such that specific pressure values are sequentially arranged with time so as to correspond to a pressure change of the combustion gas applied to the projectile by a gas generator that is mounted to the launch tube. Through the preliminary pressure diagram, the influence of the responsiveness generated in the feedback control can be excluded, and the high pressure air is more stable and quickly simulates the combustion gas of the gas generator.

Next, the air is supplied to the launch tube to propel the projectile (S200).

The supply step S200 may include a storage step S210, a flow rate adjustment step S220, and a supply start step S230.

The storage step S210 stores the air at a specific pressure. For example, the storing step stores the high pressure air compressed by the compressor in a storage container, and checks the pressure of the stored air through a pressure sensor.

In the flow rate adjusting step S220, the flow rate of the stored air is supplied to the launch tube, and for example, a flow rate control valve may be installed on the pipe and the opening and closing degree of the flow rate control valve may be adjusted while checking the flow rate with the flow meter.

The supply start step (S230) supplies the stored air to the launch tube to propel the projectile. For example, the supply of the launch tube can be switched by an on / off valve.

Finally, the pressure control valve disposed on the supply path of the air is controlled to correspond to the preliminary pressure diagram (S300). That is, the control step (S300) simulates the pressure state of the combustion gas provided by the gas generator to the pressure state of the air having a strong compressibility characteristics.

In the control step S300, for example, a pressure control valve may be installed on the pipe, and the pressure control valve may be controlled to follow the preliminary pressure diagram. Through this, a high pressure state of 3 bar or more can be controlled in an instant situation of 0.1 second.

Hereinafter, the pneumatic generating device to which the pneumatic generating method is applied will be described in more detail with reference to FIGS. 4 and 5. 4 is a configuration diagram of the pneumatic generating device 100 shown in FIG. 1, and FIG. 5 is a block diagram showing an operating mechanism of the pneumatic generating device 100 shown in FIG.

Referring to FIG. 4, the pneumatic generating device 100 includes a pneumatic generating unit 110 and a control unit 103.

The pneumatic generator 110 is configured to supply air to the launch tube 20 (see FIG. 1) to store the air at a specific pressure, and to propel the projectile 10. The pneumatic generator 110 includes a pressure control valve 121 disposed on a movement path of the air to control the pressure of the air supplied to the launch tube 20.

The controller 103 controls the pressure control valve 120 so that the pressure of the supplied air corresponds to the preliminary pressure diagram. That is, the control unit 103 controls the pressure control valve 121 to follow the preliminary pressure diagram, and the preliminary pressure diagram is applied to the pressure change of the combustion gas applied to the projectile by the gas generator that can be mounted to the launch tube as shown in FIG. 3A. Correspondingly, certain pressure values are set sequentially over time. More specifically, the preliminary pressure diagram is a pressure change detected by the pressure sensor 101a (see FIG. 1) mounted on the bottom of the launch tube 20 when the pneumatic generating unit 110 applies pneumatic pressure following a certain pressure diagram. May be set to correspond to the control target pressure change.

Pneumatic generation unit 110 and the control unit 103 may be embedded in the airtight housing, through which the underwater launch test is possible.

Referring to the drawings, the pneumatic generating unit 110 includes at least one of the storage container 114, the discharge unit 116, the flow control valve 118 and the on-off valve 119.

The storage container 114 is connected to a compressor (not shown), and is configured to receive and store compressed air from the compressor. The storage container 114 is connected to the compressor through the coupler 111, and stores the air of a specific pressure by the adjustment of the pressure valve 112 disposed between the coupler 111 and the storage container 114.

The pressure sensor 115 may be mounted adjacent to the storage container 114 to check the pressure of the air stored in the storage container 114.

The discharge part 116 extends from the storage container 114 and is connected to the launch tube 20 to supply air stored in the storage container 114 to the launch tube 20. The outlet 116 may be branched into a plurality of paths to selectively supply air to the plurality of launch tubes, and solenoid valves 116a and 116b may be disposed in each path.

The flow control valve 118 is disposed on the movement path of the air to control the flow rate of the air supplied from the reservoir 114 to the launch tube 20. A flow meter 117 is provided adjacent to the flow control valve 118, and the user or the controller 103 may adjust the flow control valve 118 while checking the set value with the flow meter 117.

The on-off valve 119 is disposed between the reservoir 114 and the discharge portion 116 to turn on and off the supply of stored air. The open / close valve 119 may be, for example, a solenoid valve and may be electrically connected to the control unit 103 to be controlled by the control unit 103. When the test preparation is completed, the user operates the on / off valve 119 to perform the test.

The pressure control valve 121 is disposed between the on-off valve 119 and the discharge part 116 and is connected to the control unit 103 to be controlled according to the preliminary pressure diagram required for the test.

Referring to FIG. 4, the pneumatic generator 100 may include a flow rate expansion unit 122. The flow rate expansion part 122 is branched between the storage container 114 and the flow rate control valve 118 and is connected between the flow rate control valve 118 and the on / off valve 119. That is, the flow rate expansion part 122 is formed to bypass the air passing through the flow rate control valve 118.

The flow rate expansion part 122 is opened and closed to selectively increase the flow rate supplied to the launch tube 20, and the increase in the flow rate may be controlled by the operation of the solenoid valve 122a. When the supply flow rate is required more than the flow control valve 118 is completely open, the flow expansion unit 122 is operated, through which the supply flow rate can be increased.

According to the illustration, the pneumatic generating device 110 may include a pneumatic discharge path 123. The pneumatic discharge path 123 is branched between the discharge unit 116 and the pressure control valve 121, the solenoid valve 123a is disposed in the pneumatic discharge path 123 to selectively remove the residual pressure. This allows the internal air pressure to be discharged arbitrarily before test or during emergency operation.

The pneumatic generating device for the launch test, the launch test system and the pneumatic generating method for the launch test as described above are not limited to the configuration and method of the embodiments described above, the embodiments are each embodiment so that various modifications can be made All or some of these may optionally be combined.

Claims (9)

A pneumatic generating unit having a pressure control valve disposed on the supply path of the air to inflow and store air, supply the stored air to the launch tube, and control the pressure of the supplied air; And
A control unit for controlling the pressure control valve so that the pressure of the supplied air corresponds to a preliminary pressure diagram;
The preliminary pressure diagram is set in order to correspond to the pressure change of the combustion gas applied to the projectile by the gas generator that can be mounted to the launch tube, the specific pressure values are sequentially set with time,
When controlling the pressure of the air while following a certain pressure diagram in the selection of the preliminary pressure diagram, if the pressure change detected by the pressure sensor mounted on the bottom of the launch tube corresponds to the control target pressure change, A pneumatic generator for firing test, characterized in that selected as a preliminary pressure diagram. delete The method of claim 1,
The pneumatic generation unit,
A storage container connected to the compressor and storing the compressed air in the compressor;
A discharge part extending from the storage container and connected to the launch tube to supply the stored air to the launch tube;
An on / off valve disposed between the reservoir and the discharge part to turn on and off a supply of the stored air,
The pressure control valve is a pneumatic generating device for the firing test, characterized in that disposed between the on-off valve and the discharge portion. The method of claim 3,
Is disposed on the movement path of the air, and further comprising a flow rate control valve for controlling the flow rate of the air supplied from the reservoir to the launch tube,
The flow control valve is a pneumatic generating device, characterized in that located between the storage container and the on-off valve. delete The method of claim 3,
And a pneumatic discharge path branched between the discharge portion and the pressure control valve to remove residual pressure. A launch tube in which a projectile is disposed; And
It is connected to the launch tube and supplies the air to propel the projectile to the rear end of the projectile, the pressure of the supplied air is controlled to correspond to the preliminary pressure diagram, claim 1, 3, 4, 6 A pneumatic generator for firing test according to any one of the preceding claims,
The preliminary pressure diagram may be set in order to correspond to a change in pressure of the combustion gas applied to the projectile by a gas generator that can be mounted to the projectile, in accordance with time,
In the selection of the preliminary pressure diagram, when controlling the pressure of the air while following a certain pressure diagram, if the pressure change sensed by the pressure sensor mounted on the bottom of the launch tube corresponds to the control target pressure change, the certain pressure diagram is selected. Launch test system for a projectile, characterized in that selected as a preliminary pressure diagram. Setting a preliminary pressure diagram in which specific pressure values are sequentially arranged in time so as to correspond to a pressure change of the gas generator combustion gas;
Supplying air to the launch tube to propel the projectile; And
Controlling the pressure control valve disposed on the air supply path to correspond to the preliminary pressure diagram;
When controlling the pressure of the air while following a certain pressure diagram, if the pressure change detected by the pressure sensor mounted on the bottom of the launch tube corresponds to the control target pressure change, the pressure line is selected as the preliminary pressure diagram. Pneumatic generation method for the launch test characterized in that. The method of claim 8,
The preliminary pressure diagram is a pneumatic generation method for the launch test, characterized in that the pressure change detected by the pressure sensor mounted on the bottom of the launch tube and the pressure change of the combustion gas correspond to each other.

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