KR20170068281A - Safe and arm device wiht the application pogo pin - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety loading apparatus provided with a pogo pin, and more particularly, to a safety loading apparatus provided with a pogo pin for enabling normal and stable connection even under vibration, ≪ / RTI >

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a SAFE AND ARM DEVICE WIHT THE APPLICATION POGO PIN,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety loading apparatus provided with a pogo pin, and more particularly, to a safety loading apparatus provided with a pogo pin for enabling normal and stable connection even under vibration, ≪ / RTI >

In general, the safety load device is used for the purpose of preventing accidents and accidents caused by unsteady ignition of pyronas and solid motors by maintaining the safety state during ground work such as assembling of projectiles and guided weapons, and preliminary tests.

These safety loading devices perform safety / charge switching by driving the motor for safety / charge status monitoring and internal ignition.

However, in the conventional safety loading device, there is a chattering problem in which the electric circuit connection state of the contact point is dropped due to severe vibration or shock, and malfunction occurs in the ignition or state monitoring when the ignition is required There is a problem.

Korean Registered Patent No. 10-1486136 (Jan. 26, 2015)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a safety loading device provided with a pogo pin for enabling normal and stable connection even when vibration, .

The problems to be solved by the present invention are not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

In order to accomplish the above object, the present invention provides a safety loading device for venting an aerial tube according to an aerial signal of a control part and transmitting the aerodynamic energy to another structure, the safety loading device comprising: A driving unit for transmitting rotational force to the rotor unit; An ignition circuit unit including a contact printed circuit board provided with a pogo pin, and a switch printed circuit board having a ground plate on which the pogo pin is grounded or de-grounded; And a housing portion accommodated such that the driving portion, the detonation circuit portion, and the rotor portion are sequentially disposed from the rear to the front, wherein the detonating circuit portion is configured such that, when the pogo pin contacts the ground plate in accordance with rotation of the rotor portion, So that the transmitted detonating signal is transferred to the detonating tube or a safety mode in which the detonating signal is not transmitted to the detonating tube while the pogo pin is separated from the grounding plate A safety loading device with a pin is provided.

Also, the present invention provides a safety loading device for venting an aeration pipe according to an aerial signal of a control unit and transmitting the aerodynamic energy to another structure, the safety loading device comprising: A driving unit for transmitting rotational force to the rotor unit; An ignition circuit for causing an ignition signal transmitted from the control unit to be transferred to the ignition tube in accordance with the rotation of the rotor unit or a safety mode state in which the ignition signal is not transmitted to the ignition tube; And a housing portion accommodated such that the driving portion, the detonating circuit portion, and the rotor portion are sequentially arranged from the rear to the front, wherein the detonating circuit portion is rotatably connected to the rotor portion and electrically connected to the detonating tube, A contact printed circuit board having pins; And a grounding plate fixed to the housing so as to be positioned behind the contact printed circuit board and grounded or ungrounded according to the rotation of the rotor portion and an ignition signal transmitted from the control portion, And a pogo pin provided with a pogo pin.

The housing part according to the present invention includes: a rear housing having front and rear open sides and the driving part received inward; A front housing having a rear portion connected to a front surface of the rear housing and having a front surface opened to receive the rotor portion and the detonating circuit portion inward; A rear cover for blocking the rear face of the opened rear housing; And a front cover for blocking the front surface of the opened front housing.

The rear housing according to the present invention is characterized in that a single or a plurality of connectors for connecting to external power supply devices are provided.

The drive unit according to the present invention is composed of a motor having a drive shaft, the rotor unit includes a rotor connected to the drive shaft and rotated together with the drive shaft, and the switch printed circuit board includes a disk And the ground plate is provided on the front surface of the switch printed circuit board so as to prevent the drive shaft from rotating together with the drive shaft so that the drive shaft is not rotated together with the drive shaft and is fixed to the front surface of the front housing or the rear housing , And both ends of the switch printed circuit board extend radially inward from the outside of the switch printed circuit board and are arranged in a radial fashion about the central portion of the switch printed circuit board, And the pogo pin is provided on a rear surface of the pogo pin, and the pogo pin is connected to the ground plate That is plurally provided, based on the state in the longitudinal direction of the ground plate On the other hand, it is arranged radially around the central portion of the contact printed circuit board.

The pogo pin according to the present invention includes a connecting bar having front and rear ends and having a front end connected to the contact printed circuit board; A body portion having a front end connected to a rear end of the connecting bar and a rear end opened to form a space portion inward; An elastic member accommodated in the space portion; And a ground pin having front and rear ends and having a front end coupled to the inside of the rear end portion of the body portion and a rear end portion protruding from the rear end portion of the body portion opened according to the pressing of the elastic member.

The rotor unit according to the present invention further includes a support block connected between the rotor and the contact printed circuit board.

The rotor according to the present invention has a plurality of hollows through which the aerating tube is coupled, the support block being recessed inwardly on the outer circumferential surface and communicating with the hollow, And a plurality of connection spaces are formed to electrically connect the contact printed circuit boards.

The front cover according to the present invention is characterized in that a plurality of fastening holes are formed in the front cover to communicate with the hollow and to which another code assembly for transmitting the aerodynamic energy of the aerating tube to the structure is coupled.

The rotor unit according to the present invention further includes rotation preventing means provided on an outer circumferential surface of the rotor and contacting the inside of the housing unit to prevent rotation in a loading mode state or a safe mode state.

The rotor according to the present invention is formed with a plurality of rotation preventing grooves to which the rotation preventing means is coupled, the rotation preventing means including: a spring received in the rotation preventing groove; A pressing ball supported by the spring; And a bushing having both ends opened and protruding from the one end of the pressurizing ball and the other end of the bushing being inserted into the rotation preventing groove, wherein the pressurizing ball is protruded to one end of the bushing by the urging of the spring, Wherein the bushing is inserted or protruded inside the bushing according to the contact with the inner circumferential surface of the front housing.

In the front housing according to the present invention, a plurality of safety grooves, guide grooves and loading grooves that are depressed outward along the periphery are formed in order on the inner circumferential surface, and the safety grooves are formed in the safety groove, And the guide groove allows the pressing ball to pass while contacting the rotor as the rotor rotates from the safe mode to the loading mode, and the loading groove is configured such that, in the loading mode, So that rotation of the rotor portion is prevented from occurring.

Further, it may further comprise a safety key part for switching from a loading mode state to a safe mode state, wherein the rotor part includes: a rotor shaft extending forward from a front surface of the rotor; And a lock bar extending downward from the rotor shaft, wherein the safety key portion presses the lock bar from a direction intersecting with the rotor shaft to rotate the rotor shaft together with the rotor shaft, Thereby switching to a safe mode state.

According to the present invention, there is an effect that a normal and stable connection can be achieved even when vibration, shock, etc. are caused by the elastic member provided on the pogo pin.

The effects of the present invention are not limited to those mentioned above, and other solutions not mentioned may be clearly understood by those skilled in the art from the following description.

1 is a perspective view illustrating a safety loading apparatus equipped with a pogo pin according to the present invention.
2 is an exploded perspective view illustrating a state of engagement between a safety key part and a rotor part in a safety loading device equipped with a pogo pin according to the present invention.
3 is an exploded perspective view of a safety loading apparatus equipped with a pogo pin according to the present invention.
FIG. 4 is an exploded bottom perspective view of a safety loading apparatus provided with a pogo pin according to the present invention.
5 is a perspective view showing a pogo pin in a safety loading apparatus provided with a pogo pin according to the present invention.
FIG. 6 is a side view of an ignition circuit in a safety loading device equipped with a pogo pin according to the present invention.
FIG. 7 is a perspective view showing a rotation preventing means in a safety loading apparatus provided with a pogo pin according to the present invention.
FIG. 8 is a state view showing the operating state of the anti-rotation means in the safety loading device provided with the pogo pin according to the present invention.
FIG. 9 is a state diagram illustrating a safety loading apparatus provided with a pogo pin according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 9, a safety loading apparatus (hereinafter, referred to as a "safety loading apparatus") 1 equipped with a pogo pin according to the present invention includes an ignition tube 200 according to an ignition signal of the control unit 100, The rotor unit 10 serving as the detonating tube 200 and the driving unit 20 for transmitting the rotating force to the rotor unit 10. The safety unit 200 includes a rotor 200, An ignition circuit unit 30 connected to the detonating tube 200 in accordance with the rotation of the rotor unit 10 to be in a charging mode or to be in a safe mode while being separated from the detonating tube 200, (20), the detonation circuit portion (30), and the rotor portion (10) are arranged so that they are sequentially arranged from the rear to the front.

3 to 4, the detonation circuit unit 30 includes a pogo pin 32 connected to the rotor unit 10 and rotated together with the pogo pin 32 electrically connected to the detonating pipe 200, Is fixed to the housing part (40) so as to be positioned behind the circuit board (31) and the contact printed circuit board (31), and the pogo pin (32) is grounded according to the rotation of the rotor part (10) And a switch printed circuit board 33 provided with a ground plate 34 to which the detonation signal is transmitted from the controller 100.

The structure 300 can be understood as a pyrogen device and is connected to the safety loading device 1 by means of another separate cord assembly 310 as shown in FIG.

For example, the safety loading device 1 may be applied to a pyro system such as a single stage, a pairing stage, or a solid motor ignition to prevent accidental ignition of the system until the pyro system is used.

The controller 100 transmits an ignition signal to the detonating circuit unit 30 according to the loading state of the detonating tube 200 so that the detonating tube 200 is ignited.

The driving unit 20 may include a motor 21 having a driving shaft 22 as shown in FIG.

The housing part 40 may be provided with a single or a plurality of connectors 41 for connection with other external power supply devices or the like.

The motor 21 is driven by a power source supplied from the outside, and can be driven / stopped under the control of the controller 100.

As shown in FIGS. 1 to 3, the housing part 40 includes a rear housing 42 having front and rear openings to receive the motor 21 therein, and a rear part of the housing part 40 is disposed on the front of the rear housing 42 A rear cover 44 for blocking the rear surface of the opened rear housing 42 and a rear cover 44 for covering the rear surface of the opened rear housing 42. [ And a front cover 45 for blocking the front surface of the front housing 43.

3, the switch printed circuit board 33 has a disk ring shape having front and rear surfaces as shown in FIG. 3. The switch printed circuit board 33 has a plurality of switch printed circuit boards 33, (43) or the front surface of the rear housing (42).

The ground plate 34 is electrically connected to the controller 100 so that the detonation signal transmitted from the controller 100 can be transmitted to the detonator 200 through the pogo pin 32.

3, the ground plate 34 is provided on the front surface of the switch printed circuit board 33. Both ends of the ground plate 34 extend inward from the outside of the switch printed circuit board 33, And is arranged radially around the central portion of the switch printed circuit board 33.

Accordingly, a plurality of detonating pipes 200 coupled to the rotor unit 10 may be connected to each other at the same time or may be connected to be different.

The ground plate 34 preferably has the same surface as the front surface of the switch printed circuit board 33 and may be connected to the switch printed circuit board 33 by various known methods.

As shown in FIGS. 2 to 4, the rotor unit 10 has front and rear surfaces, a central portion thereof is connected to the drive shaft 22 and rotates together with the drive shaft 22, and the rear surface of the contact printed circuit board 31 are connected to each other.

As shown in FIGS. 4 to 6, the contact printed circuit board 31 has a disk ring shape, and the drive shaft 22 is passed inward. The front surface of the contact printed circuit board 31 is connected to the rear surface of the rotor 11, And the pogo pin 32 is provided.

4 to 5, a plurality of the pogo pins 32 are disposed along the longitudinal direction of the ground plate 34 on the rear surface of the contact printed circuit board 31 as shown in FIGS. 4 to 5, It is preferable to be arranged radially around the central portion of the printed circuit board 31. [

As shown in FIG. 5, the pogo pin 32 includes a connecting bar 35 having front and rear ends and connected to the contact printed circuit board 31, and a front end connected to the rear end of the connecting bar 35 A body portion 36 having a rear end opened to form a space portion 36a therein and an elastic member 37 accommodated in the space portion 36a and front and rear end portions of the body portion 36, And a ground pin 38 coupled to the inside of the rear end.

The pogo pin 32 may further include a pressing piece 39 positioned between the elastic member 37 and the ground pin 38.

The pressing piece 39 allows the elastic force of the elastic member 37 to be smoothly transmitted to the ground pin 37. [

The elastic member 37 is preferably formed of a coil spring of a general shape as shown in FIG.

It is preferable that the ground pin 38 has a curved surface shape with its rear end protruding rearward.

The connecting bar 35 may be connected to the contact printed circuit board 31 by various known methods.

For example, the connecting bar 35 may be mounted on the front surface of the contact printed circuit board 31 with the front end thereof passing through the contact printed circuit board 31.

The ground pin 38 protrudes from the body portion 36 by the urging of the elastic member 37 and protrudes from the body portion 36 of the switch printed circuit board 33 in accordance with the rotation of the rotor portion 10. [ And is grounded to the ground plate 34 while being rotated together with the surface.

6, the pogo pin 32 is rotated together with the rotation of the rotor portion 10 from the state where the ground pin 38 is in contact with the switch printed circuit board 33, And contacts the plate 34.

Therefore, the pogo pin 32 can be normally and stably grounded between the ground pin 38 and the ground plate 34 by the pressing of the elastic member 37 even under vibration, impact, etc. have.

The rotor unit 10 may further include a support block 12 connected between the rotor 11 and the contact printed circuit board 31.

The support block 12 allows the contact printed circuit board 31 to be spaced apart from the rotor 11 at regular intervals.

As shown in FIG. 2, the rotor 11 penetrates through the front and rear surfaces, and a single or a plurality of hollows 11a to which the detonating tube 200 is coupled are formed.

The support block 12 is recessed inwardly from the outer circumferential surface, and a single or a plurality of connection spaces 12a communicating with the hollow 11a may be formed.

The connection space 12a allows the ventilation pipe 200 and the contact printed circuit board 31 to be electrically connected to each other by a power connection member or the like.

As shown in FIG. 1, the front cover 45 is formed with a single or a plurality of fastening holes 46 communicating with the hollow 11a.

As shown in FIG. 9, the cord assembly 310 is coupled to the fastening hole 46 so that the explosive energy of the detonating tube 200 can be transmitted to the structure 300.

The rotor unit 10 is normally kept in a safe mode state while the pogo pin 32 is not grounded to the ground plate 34. [

The rotor unit 10 is rotated together with the driving unit 20 in the loading mode to ground the pogo pin 32 to the ground plate 34.

At this time, in the safety loading apparatus 1, the detonating tube 200 is placed in the same line with the cord assembly 310, and is set in a loading mode.

The loading mode can be understood as a state in which the detonating signal transmitted from the controller 100 can be transmitted to the detonating tube 200.

The rotor unit 10 is rotated together with the driving unit 20 from the loading mode to the safe mode so that the pogo pin 32 grounded to the ground plate 34 is dropped and grounded have.

At this time, the safety loading device 1 enters the safe mode state while the detonating tube 200 is out of line with the cord assembly 310.

The safe mode state can be understood as a state in which the detonating signal transmitted from the control unit 100 can not be transmitted to the detonating tube 200. [

The motor 21 causes the rotor unit 10 to be rotated from the safe mode to the recharging mode or to the safe mode from the recharging mode.

7, the rotor unit 10 is provided on the outer circumferential surface of the rotor 11 and contacts the inside of the housing unit 40 to rotate the rotor unit 10 in a loading mode state or in a safe mode (13). ≪ / RTI >

The rotor 11 is recessed inward along the circumference of the outer circumferential surface, and a plurality of rotation preventing grooves 11b to which the rotation preventing means is coupled are formed.

The rotation preventing means 13 includes a spring 14 received in the rotation preventing groove 11b, a pressing ball 15 supported by the spring 14, And a bushing 16, which is protruded and the other end of which is inserted into the rotation preventing groove 11b and engaged with the rotation preventing groove 11b.

The rotation preventing means 13 may further include a support member 17 positioned between the pressing ball 15 and the spring 14. [

The front housing 43 is formed with a plurality of safety grooves 43a, guide grooves 43b and loading grooves 43c that are recessed outward along the circumference on the inner circumferential surface, as shown in FIG.

The pressing ball 15 protrudes to one end of the bushing 16 by the urging of the spring 14 and is inserted into the bushing 16 in accordance with the contact with the inner circumferential surface of the front housing 43, Respectively.

The safety groove 43a prevents the rotor unit 10 from rotating when the pressing ball 15 is pulled in the safe mode.

The guide groove 43b allows the pressing ball 15 to pass through the guide groove 43b as the rotor 10 rotates from the safe mode to the loading mode.

The loading groove 43c prevents the rotor unit 10 from being rotated while the pressing ball 15 is drawn in the loading mode.

The safety loading apparatus 1 may further include a safety key unit 50 for switching from a loading mode to a safe mode as shown in FIGS.

The rotor unit 10 further includes a rotor shaft 18 extending forward from the front surface of the rotor 11 and a locking bar 19 extending downward from the rotor shaft 18.

The safety key unit 50 presses the latching bar 19 from a direction intersecting with the rotor shaft 18 so that the rotor unit 10 is rotated together with the rotation of the rotor shaft 18, Thereby switching to the safe mode.

The rear end of the rotor shaft 18 is connected to the front surface of the rotor 11 and the front end portion extends forward to penetrate the front cover 45.

Preferably, the safety key unit 50 is provided on the front cover 45 so as to press the latching bar 19 in a direction intersecting the longitudinal direction of the rotor shaft 18.

Thus, the safety loading apparatus 1 can be forced to enter the safe mode.

As described above, the present invention is not limited to the above-described embodiment, and it is to be understood that the present invention is not limited to the above- It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

1: Safety Loading Device 10:
11: rotor 11a: hollow
11b: rotation preventing groove 12: support block
12a: connection space 13: anti-rotation means
14: spring 15: pressurized ball
16: bushing 17: support member
18: rotor shaft 19: catch bar
20: driving part 21: motor
22: drive shaft 30:
31: contact printed circuit board 32: pogo pin
33: switch printed circuit board 34: ground plate
35: connecting bar 36: body part
37: Elastic member 38: Ground pin
40: housing part 41: connector
42: rear housing 43: front housing
43a: safety groove 43b: guide groove
43c: Loading groove 44: Rear cover
45: front cover 46: fastening hole
50: safety part 100: control part
200: Explosive tube 300: Structure
310: Cord assembly

Claims (13)

It is a safe loading device to ignite an explosion tube according to an explosion signal of a control part and to transmit the explosion energy to another structure,
A rotor portion to which the detonating tube is coupled;
A driving unit for transmitting rotational force to the rotor unit;
An ignition circuit unit including a contact printed circuit board provided with a pogo pin, and a switch printed circuit board having a ground plate on which the pogo pin is grounded or de-grounded; And
And a housing portion accommodated such that the driving portion, the detonating circuit portion, and the rotor portion are sequentially arranged from the rear side to the front side,
The ignition circuit unit includes:
The pogo pin is brought into contact with the ground plate in accordance with the rotation of the rotor part, so that an explosion signal transmitted from the control part is transferred to the explosion pipe,
Wherein the pogo pin is spaced apart from the ground plate such that the pogo pin is not transmitted to the detonating tube. It is a safe loading device to ignite an explosion tube according to an explosion signal of a control part and to transmit the explosion energy to another structure,
A rotor portion to which the detonating tube is coupled;
A driving unit for transmitting rotational force to the rotor unit;
An ignition circuit for causing an ignition signal transmitted from the control unit to be transferred to the ignition tube in accordance with the rotation of the rotor unit or a safety mode state in which the ignition signal is not transmitted to the ignition tube; And
And a housing portion accommodated such that the driving portion, the detonating circuit portion, and the rotor portion are sequentially arranged from the rear side to the front side,
The ignition circuit unit includes:
A contact printed circuit board connected to the rotor unit and rotated together, and having a pogo pin electrically connected to the detonating pipe; And
And a grounding plate fixed to the housing to be positioned behind the contact printed circuit board and grounded or ungrounded according to the rotation of the rotor portion and transmitting an aerial signal from the control portion Wherein the pogo pin is provided with a pogo pin. 3. The method according to claim 1 or 2,
The housing part,
A rear housing having front and rear openings to receive the driving unit inwardly;
A front housing having a rear portion connected to a front surface of the rear housing and having a front surface opened to receive the rotor portion and the detonating circuit portion inward;
A rear cover for blocking the rear face of the opened rear housing; And
And a front cover for blocking the front of the opened front housing. The method of claim 3,
In the rear housing,
Wherein one or more connectors are provided for connection with other external power supply devices. The method of claim 3,
The driving unit includes:
And a motor provided with a drive shaft,
The rotor unit includes:
And a rotor connected to the drive shaft and rotated together with the drive shaft,
The switch printed circuit board includes:
The front and rear housings being fixed to the rear surface of the front housing or the front housing so as not to rotate together with the drive shaft,
The ground plate includes:
Wherein the switch printed circuit board is disposed on the front surface of the switch printed circuit board and has both ends extending inward from the outside of the switch printed circuit board and arranged radially about the central portion of the switch printed circuit board,
The contact printed circuit board includes:
The front surface of which is connected to the rotor so as to face the rotor, and the pogo pin is provided on the rear surface,
Wherein the pogo pin comprises:
Wherein a plurality of the grounding plates are arranged in the longitudinal direction of the ground plate with respect to the grounding plate in contact with the grounding plate, and are radially arranged around the central portion of the contacting printed circuit board. 6. The method of claim 5,
Wherein the pogo pin comprises:
A connecting bar having front and rear ends and having a front end connected to the contact printed circuit board;
A body portion having a front end connected to a rear end of the connecting bar and a rear end opened to form a space portion inward;
An elastic member accommodated in the space portion; And
And a ground pin having a front end and a rear end and having a front end coupled to the inside of the rear end portion of the body portion and a rear end portion protruding from the rear end portion of the body portion opened according to the pressing of the elastic member. Safety loading device. 6. The method of claim 5,
The rotor unit includes:
Further comprising a support block connected between the rotor and the contact printed circuit board. 6. The method of claim 5,
The rotor may include:
A plurality of hollows through which the detonating pipes are coupled are formed,
The support block includes:
And a plurality of connection spaces are formed so as to be recessed inwardly on an outer circumferential surface, communicate with the hollow, and electrically connect the ignition tube and the contact printed circuit board. The method of claim 3,
In the front cover,
Wherein a plurality of fastening holes are formed in which a separate cord assembly communicating with the hollow and allowing the aerodynamic energy of the detonating tube to be transmitted to the structure is formed. 6. The method of claim 5,
The rotor unit includes:
Further comprising rotation preventing means provided on an outer circumferential surface of the rotor and contacting the inside of the housing portion to prevent rotation in a loading mode state or a safe mode state. 11. The method of claim 10,
The rotor may include:
A plurality of rotation preventing recesses are formed in the outer circumferential surface to be recessed inward along the circumference,
The rotation preventing means
A spring received in the rotation preventing groove;
A pressing ball supported by the spring; And
And a bushing having opposite ends opened and protruding from the one end of the pressing ball and the other end being inserted into the rotation preventing groove,
The pressurizing ball
Wherein the spring is protruded to one end of the bushing by pressing of the spring and is inserted or protruded inside the bushing according to the contact with the inner circumferential surface of the front housing. 12. The method of claim 11,
Wherein the front housing comprises:
A plurality of safety grooves, guide grooves, and loading grooves that are depressed outward along the circumference on the inner circumferential surface,
Wherein the safety groove comprises:
The rotation of the rotor unit is prevented from occurring when the pressurized ball is drawn in the safe mode,
The guide groove
The rotor is moved from the safety mode to the charging mode,
The loading groove
And the rotation of the rotor is not performed when the pressing ball is drawn in the loading mode. 6. The method of claim 5,
Further comprising a safety key unit for switching from a loading mode state to a safe mode state,
The rotor unit includes:
A rotor shaft extending forward from a front surface of the rotor; And
Further comprising a latching bar extending downward from the rotor shaft,
The safety key unit includes:
Wherein the locking bar is pressed from a direction intersecting with the rotor shaft so that the rotor is rotated together with the rotation of the rotor shaft so that the loading mode is switched to the safe mode.

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