KR101145114B1 - Variable pressure switch, underwater vechicle having the same and method of operating the variable pressure switch - Google Patents

Variable pressure switch, underwater vechicle having the same and method of operating the variable pressure switch Download PDF

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Publication number
KR101145114B1
KR101145114B1 KR1020100117684A KR20100117684A KR101145114B1 KR 101145114 B1 KR101145114 B1 KR 101145114B1 KR 1020100117684 A KR1020100117684 A KR 1020100117684A KR 20100117684 A KR20100117684 A KR 20100117684A KR 101145114 B1 KR101145114 B1 KR 101145114B1
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KR
South Korea
Prior art keywords
pressure
switch
circumferential surface
plate assembly
assembly
Prior art date
Application number
KR1020100117684A
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Korean (ko)
Inventor
김원제
Original Assignee
국방과학연구소
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Priority to KR1020100117684A priority Critical patent/KR101145114B1/en
Application granted granted Critical
Publication of KR101145114B1 publication Critical patent/KR101145114B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
    • F42B10/38—Range-increasing arrangements
    • F42B10/42—Streamlined projectiles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B8/00—Practice or training ammunition
    • F42B8/28—Land or marine mines; Depth charges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
    • H01H35/2628—Means for adjustment of "ON" or "OFF" operating pressure by varying the relative position of switch-casing and pressure sensitive element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/30—Means for transmitting pressure to pressure-responsive operating part, e.g. by capsule and capillary tube

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

Variable pressure switch according to an embodiment of the present invention is a pressure plate assembly having a housing, a pressure plate and a coil spring which is formed to be movable up and down of the housing by an external pressure, and the vertical movement along the second inner peripheral surface of the housing And a driving plate assembly having a pressing pin insertion hole to which the pressing pin is coupled in the driving plate and coupled to one end of the housing. When the driving plate assembly is under pressure, the driving plate assembly is pressurized by the pressing pin to provide an electrical signal. By including a switch assembly having a limit switch for transmitting a, it is possible to reliably switch according to the change in water pressure by a simple structure and mechanism.

Description

Variable pressure switch, underwater moving body having same and operation method of variable pressure switch {VARIABLE PRESSURE SWITCH, UNDERWATER VECHICLE HAVING THE SAME AND METHOD OF OPERATING THE VARIABLE PRESSURE SWITCH}

Embodiments of the present invention relate to a variable pressure switch, which is formed to send an operation signal to the underwater vehicle according to the change in the hydraulic pressure, an underwater vehicle having the same and a method of operating the variable hydraulic switch.

In general, underwater vehicles, especially torpedoes, are a useful means of sinking enemy subs or warships in modern warfare.

Such an underwater vehicle needs to be tested to meet the desired design goals after its manufacture, and since the underwater vehicle is so expensive in its operation, it is necessary to recover it after firing in military training.

In order to recover the underwater vehicle, a flotation device is attached for recovery after achieving the objective after the launch, and the function of limiting the depth of the underwater vehicle is necessary for the normal operation of the flotation device.

Therefore, the miniaturized design can be miniaturized due to space and weight constraints due to the characteristics of the underwater moving body, and a small hydraulic pressure switch capable of simply implementing an electronic circuit and performing a desired function can be considered.

One embodiment of the present invention is to provide a hydraulic pressure switch capable of transmitting an electrical signal to the passive body by sensing the pressure in accordance with the change in the hydraulic pressure.

In addition, one embodiment of the present invention is to provide a water pressure switch that can adjust the driving pressure of the switch, and can put a difference in the driving pressure between the switches.

In order to achieve the above object of the present invention, the variable pressure switch according to an embodiment of the present invention is provided with a hollow, the step is formed on the inner peripheral surface, and the first inner peripheral surface of the housing by the external pressure And a pressure plate assembly including a pressure plate formed to be movable up and down and a coil spring elastically supporting the pressure plate, and one surface of the pressure plate is in contact with one end of the coil spring according to the vertical movement of the pressure plate. It is formed to be movable up and down along the second inner circumferential surface of the housing, and coupled to one end of the housing and the drive plate assembly having a pressure pin insertion hole coupled to the pressure pin in the drive plate, when the drive plate assembly is under pressure, A switch assembly having a limit switch pressurized by the pressing pin to transmit an electrical signal; Include.

According to an example related to the present invention, an O-ring is provided between the inner circumferential surface of the housing and the outer circumferential surface of the pressure plate assembly to block the inflow of fluid into the housing.

According to an example related to the present invention, the coil spring is provided with a spring support rod therein.

According to an example related to the present invention, the pressure plate has an insertion portion protruding from the bottom thereof and having a hollow.

According to an example related to the present invention, one end of the spring support rod has a head portion protruding left and right from the body of the support rod, and the head portion is inserted into the insertion portion.

According to an example related to the present invention, a bellows is formed on the outer circumferential surface of the spring support rod to prevent the inflow of fluid.

According to an example related to the present invention, a spring guide hole into which a spring is inserted is formed to elastically support the driving plate on an upper surface of the switch assembly.

According to an example related to the present invention, the driving plate assembly is provided with a guide hole.

According to an embodiment related to the present invention, a driving plate guide rod inserted into the guide hole is formed on the upper surface of the switch assembly.

According to an example related to the present invention, the inner circumferential surface of the pressing pin insertion hole or the outer circumferential surface of the pressing pin may be tapped so as to adjust the position of the pressing pin.

According to an example related to the present invention, the pressing pin, the pressing pin insertion hole, and the limit switch are provided as a unit and include a plurality of units.

According to an example related to the present invention, the first inner circumferential surface or the outer circumferential surface of the pressure plate assembly is formed by tapping to move the pressure plate assembly up and down.

In order to realize the above object, the present invention, the engine unit, the power transmission unit and the main body including an induction adjusting device unit having a direction correcting device and a direction changing device so as to be movable toward the target, and inflated when air is supplied Underwater moving body including the air bladder for supporting the main body to the water surface, a flotation device including a supply device for supplying air to the air sac and the variable hydraulic pressure switch to transmit the electrical signal according to the change in the water pressure to support the main body To start.

In addition, in order to achieve the above object, the present invention, the step of moving the pressure plate to overcome the elastic force of the spring by the hydraulic pressure, and the drive plate assembly in contact with the coil spring connected to one surface of the pressure plate by the movement of the pressure plate is Moving along a second inner circumferential surface, pressurizing pins of the driving plate assembly pressurizing a limit switch, and transmitting electrical signals generated by the limit switch to a flotation device. It starts.

According to an example related to the present invention, the step of transmitting the electrical signal generated by the limit switch to the flotation device, the pressing pin, the pressing pin insertion hole and the limit switch is formed in a plurality of units as a unit Wherein, the pressing pins are respectively disposed at different positions of the pressing pin insertion hole, a plurality of electrical signals are generated by the limit switch and sequentially transmitted to the flotation device.

Variable pressure switch according to at least one embodiment of the present invention configured as described above can be reliably switched according to the change in the water pressure by a simple structure and mechanism.

In addition, when using a plurality of pressure pins and a plurality of limit switches, it is possible to sense a plurality of pressure by setting the position of each pressure pin differently.

1 is a cross-sectional view of a variable pressure switch according to an embodiment of the present invention.
2 is a cross-sectional view of the pressure plate assembly of FIG.
3 is a cross-sectional view of the drive plate assembly of FIG. 1.
4 is a cross-sectional view of the switch assembly of FIG. 1.
Fig. 5A is a conceptual diagram showing the relationship between the components of the variable pressure switch under high pressure.
5B is a conceptual diagram showing the relationship between the components of the variable pressure switch under high pressure;
Figure 6 is another embodiment of a variable pressure switch in accordance with the present invention, a conceptual diagram showing an embodiment in a state where the variable pressure switch is mounted on the body of the underwater vehicle.

Hereinafter, a variable pressure switch according to an embodiment of the present invention, an underwater moving body including the same, and a method of operating the variable pressure switch 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 to 4 are cross-sectional views of the variable pressure switch 100 according to an embodiment of the present invention and a cross-sectional view of the components, respectively, FIG. 1 is a cross-sectional view of the entire variable pressure switch 100, and FIG. 2 is a pressure plate assembly of FIG. 1. 3 is a cross-sectional view of the drive plate assembly 20 of FIG. 1, and FIG. 4 is a cross-sectional view of the switch assembly 30 of FIG. 1.

Referring to FIG. 1, the variable hydraulic pressure switch 100 includes a housing 40, a pressure plate assembly 10, a drive plate assembly 20, and a switch assembly 30. The housing 40 has a hollow hole for accommodating the pressure plate assembly 10, the drive plate assembly 20, and the switch assembly 30 therein, and each of the assemblies is formed by an inner circumferential surface of the housing 40 in which a step is formed. Bound and joined. For example, the switch assembly 30 may be screwed with a screw line provided at the bottom of the housing 40.

The housing 40 has a first inner circumferential surface and a second inner circumferential surface, respectively, and each inner circumferential surface has a step formed therein. The pressure plate assembly 10 is coupled to the first inner circumferential surface so as to be movable along the inner circumferential surface. The pressure plate assembly 10 serves to transmit external pressure to the internal drive plate assembly 20.

The driving plate assembly 20 is coupled to the second inner circumferential surface so as to slide up and down along the inner circumferential surface. The driving plate assembly 20 is pressed by the pressure plate assembly 10 to press the limit switch 33 of the switch assembly 30 with the pressure pin 22.

An O-ring 51 may be provided between the inner circumferential surface of the housing 40 and the outer circumferential surface of the pressure plate assembly 10. This is to sense the external pressure by the pressure plate assembly 10 by blocking the inflow of fluid into the housing 40. In addition, it is possible to prevent the inflow of dirt from the outside, it is possible to improve the durability and malfunction of the hydraulic switch.

As shown in FIG. 2, the pressure plate assembly 10 includes a pressure plate 11 and a coil spring 15 that elastically supports the pressure plate 11.

The coil spring 15 may be formed with a spring support rod 14 therein, and the spring support rod 14 slides along the inner circumferential surface of the hollow insertion portion 12 protruding from one surface of the pressure plate 11. Possibly combined. For example, the spring support rod 14 may be formed in a nail shape, in which case the head portion 16 protruding left and right from the body on the upper end of the support rod is inserted into the insertion portion 12.

In addition, the bellows 13 is formed on the outer circumferential surface of the spring support rod 14 to further prevent the inflow of fluid. For example, the bellows 13 may be formed of a thin plate made of metal.

The outer circumferential surface of the pressure plate assembly 10 or the first inner circumferential surface to which the pressure plate assembly 10 is coupled may be tapped so as to move the position of the pressure plate assembly 10 up and down according to the height of the pressure.

As shown in FIG. 3, the driving plate assembly 20 includes a driving plate 21 having a protrusion formed on one surface thereof in contact with one end of the coil spring 15, and a stage formed in the driving plate 21. Or a plurality of pressing pin insertion holes.

The pressure pin 22 is inserted into the pressure pin insertion hole, and when the pressure plate assembly 10 receives a predetermined pressure or more, the driving plate 21 is pressed, and the pressure pin 22 coupled to the driving plate 21 is provided. The switch assembly 30 is in contact with the limit switch 33.

The inner circumferential surface of the pressing pin insertion hole or the outer circumferential surface of the pressing pin 22 is tapped, and is formed to move the position of the pressing pin 22 up and down along the inner circumferential surface of the pressing pin insertion hole.

As an example, when using a plurality of pressure pins 22 and a plurality of limit switches 33, if the position of each pressure pin 22 is set differently, according to the change in pressure, the set pressure pins 22 are respectively The limit switch 33 is pressed.

That is, when the first pressure pin reaches the set first pressure, the first pressure pin reacts to turn on the first limit switch 33. When the pressure reaches the set second pressure, the second push pin reacts to the second limit switch 33. ) Is turned on to provide a switch for sensing a plurality of pressures as described above.

  In addition, the driving plate assembly 20 is provided with a guide hole, the left and right movement can be restrained by the driving plate guide rod is inserted. Since the drive plate assembly 20 is slidably coupled to the second inner circumferential surface, it is necessary to restrain the left and right movement or the rotational movement by the drive plate guide rod so that the contact position between the pressure pin 22 and the limit switch 33 is not separated. There is.

As shown in FIG. 4, the switch assembly 30 includes a limit switch 33 pressurized by the pressing pin 22 to transmit an electrical signal when the driving plate assembly 20 is pressurized. 40) is coupled to the bottom. The limit switch 33 may be provided in plurality as described above.

The switch assembly 30 also has a drive plate guide rod 32 inserted into the guide hole of the drive plate assembly 20.

One surface of the switch assembly 30 is provided with a spring guide hole 31. The spring 35 is inserted into the spring guide hole 31 to elastically support the driving plate 21. The spring 35 is inserted into a groove formed in the lower end of the drive plate 21.

A cable 34 is connected to one end of the switch assembly 30 to receive an electrical signal from the limit switch 33 and transmit it to the underwater vehicle 1.

According to another embodiment of the present invention, the spring guide hole 31 or the guide hole may be formed in different assemblies, respectively. This is because these changes can perform the same actions and functions.

6 is a conceptual view showing another embodiment of the variable pressure switch 100 according to the present invention, showing an embodiment in a state in which the variable pressure switch 100 is mounted on the main body 200 of the underwater vehicle 1. It is.

In this embodiment, the same or similar reference numerals are assigned to the same or similar components as the previous embodiment, and the description thereof is replaced with the first description.

Referring to this figure, the underwater body 1 includes a main body 200, a flotation device 300 and a variable pressure switch 100.

The main body 200 includes an engine adjusting unit, a power transmitting unit, and an induction adjusting unit having a direction correcting device and a direction changing device so as to be movable toward a target. The flotation device 300 includes an air bladder to inflate when air is supplied and to support the body 200 to the surface, and a supply device to supply air to the air sac.

Hereinafter, a method of operating the variable pressure switch 100 according to another embodiment of the present invention will be described in detail. In this embodiment, the same or similar reference numerals are assigned to the same or similar components as the previous embodiment, and the description thereof is replaced with the first description.

First, the pressure plate 11 is moved while overcoming the elastic force of the spring by the hydraulic pressure. By the movement of the pressure plate 11, the drive plate assembly 20 in contact with the coil spring connected to one surface of the pressure plate 11 is moved along the second inner peripheral surface, the pressing pin 22 of the drive plate assembly 20 is Press the limit switch 33. Thereafter, the electrical signal generated by the limit switch 33 is transmitted to the flotation device 300.

delete

As described above, the variable pressure switch, the underwater moving body having the same, and the method of operating the variable pressure switch are not limited in configuration and method to the embodiments described above, but the embodiments may be modified in various ways. All or some of the embodiments may be selectively combined.

Claims (15)

A housing having a hollow and having a step formed on an inner circumferential surface thereof;
A pressure plate assembly including a pressure plate formed to be movable up and down along the first inner circumferential surface of the housing by an external pressure, and a coil spring elastically supporting the pressure plate;
One surface is made to be in contact with one end of the coil spring according to the vertical movement of the pressure plate, the outer peripheral surface is formed to be movable up and down along the second inner circumferential surface of the housing, the pressing pin insertion hole coupled to the pressure pin in the drive plate Drive plate assembly is provided; And
And a switch assembly coupled to one end of the housing, the switch assembly including a limit switch pressurized by the pressing pin to transmit an electrical signal when the driving plate assembly is under pressure. The method of claim 1,
An O-ring is provided between the inner circumferential surface of the housing and the outer circumferential surface of the pressure plate assembly to block the inflow of fluid into the housing. The method of claim 1,
The coil spring is a variable pressure switch characterized in that it has a spring support rod therein. The method of claim 3, wherein
The pressure plate has a variable pressure switch characterized in that it has an insertion portion protruding from the bottom and provided with a hollow. The method of claim 4, wherein
One end of the spring support rod is provided with a head portion protruding left and right from the body of the support rod, variable pressure switch, characterized in that the head portion is inserted into the insertion portion. 6. The method of claim 5,
Variable pressure switch, characterized in that the bellows is formed to prevent the inflow of fluid on the outer peripheral surface of the spring support rod. The method of claim 1,
And a spring guide hole into which a spring is inserted to elastically support the driving plate on an upper surface of the switch assembly. The method of claim 1,
Variable pressure switch, characterized in that the guide plate is provided in the drive plate assembly. The method of claim 8,
Variable pressure switch, characterized in that the drive plate guide rod is inserted into the guide hole on the upper surface of the switch assembly. The method of claim 1,
Variable pressure switch, characterized in that the inner circumferential surface of the pressing pin insertion hole or the outer circumferential surface of the pressing pin is formed by tapping so as to adjust the position of the pressing pin. The method of claim 10,
And a plurality of units using the pressing pin, the pressing pin insertion hole, and the limit switch as one unit. The method of claim 1,
And a first inner circumferential surface or an outer circumferential surface of the pressure plate assembly is formed by tapping so that the pressure plate assembly can be moved up and down. A main body including an engine part, a power transmission part, and an induction adjusting device part including a direction correcting device and a direction changing device so as to be movable toward a target;
A levitation device that includes a swelling device that swells when air is supplied and supports the main body to the surface, and a supply device for supplying air to the sack; And
An underwater vehicle including a variable pressure switch according to any one of claims 1 to 12 so that the main body is supported by transmitting an electrical signal in response to a change in water pressure. Moving the pressure plate while overcoming the elastic force of the spring by hydraulic pressure;
Moving the driving plate assembly in contact with the coil spring connected to one surface of the pressing plate by the movement of the pressing plate along a second inner circumferential surface;
Pressing pins of the drive plate assembly to press the limit switches; And
And operating the electrical signal generated by the limit switch to the flotation device. delete
KR1020100117684A 2010-11-24 2010-11-24 Variable pressure switch, underwater vechicle having the same and method of operating the variable pressure switch KR101145114B1 (en)

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KR1020100117684A KR101145114B1 (en) 2010-11-24 2010-11-24 Variable pressure switch, underwater vechicle having the same and method of operating the variable pressure switch

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Application Number Priority Date Filing Date Title
KR1020100117684A KR101145114B1 (en) 2010-11-24 2010-11-24 Variable pressure switch, underwater vechicle having the same and method of operating the variable pressure switch

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102015766B1 (en) * 2018-12-19 2019-08-29 국방기술품질원 Training system equipment for laying sea floor and recovering method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08153437A (en) * 1994-11-28 1996-06-11 Yazaki Corp Switch mechanism
JP3589388B2 (en) 1998-11-13 2004-11-17 矢崎総業株式会社 Push switch
KR20100091041A (en) * 2009-02-09 2010-08-18 (주)유에스티21 Auv retrieval apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08153437A (en) * 1994-11-28 1996-06-11 Yazaki Corp Switch mechanism
JP3589388B2 (en) 1998-11-13 2004-11-17 矢崎総業株式会社 Push switch
KR20100091041A (en) * 2009-02-09 2010-08-18 (주)유에스티21 Auv retrieval apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102015766B1 (en) * 2018-12-19 2019-08-29 국방기술품질원 Training system equipment for laying sea floor and recovering method thereof

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