KR101171391B1 - Voltage controller that protect claymore mine's explosion by lightening surge and claymore using it - Google Patents

Abstract

PURPOSE: A cryamore having a voltage regulating device for preventing explosions caused by lighting surge is provided to prevent the operation of an electric cap by preventing lighting surge having impulse characteristics from becoming inputted. CONSTITUTION: A voltage regulating device for preventing explosions caused by lighting surge comprises a changeover switch(31) and a constant voltage unit(33). The changeover switch short-circuits an anode and cathode of an electric cap(21). The constant voltage unit prevents the electric cap from becoming operated in a state where the anode and cathode of the electric cap is short-circuited. The changeover switch comprises first/second detonating hammer terminals(311,312) and a common terminal(313). The first/second detonating hammer terminals are respectively connected to the one and other side of electrodes. The common terminal is connected to the electric cap, and switched to first or second detonating hammer terminal.

Description

VOLTAGE CONTROLLER THAT PROTECT CLAYMORE MINE'S EXPLOSION BY LIGHTENING SURGE AND CLAYMORE USING IT}

The present invention relates to a cremore, and more particularly, to adjust the voltage for preventing explosion by a lightning surge to prevent the explosion of cremor by a lightning surge by installing a voltage adjusting device to block the lightning surge between the main body and the trigger. An apparatus and a cremore having the same.

Generally, cremore includes a trigger, a detector, an electric wire, and a main body, and an electric primer and a C4 explosive are provided in the main body.

C4 explosives will explode when DC 5-6V is input.

The electric primer is connected to the trigger by the electric wire of 30m ~ 50m length. When a lightning strike occurs, the electric potential of the earth rises and the lightning surge is induced on the electric primer and the wire connected during the triggering period. The same function that was triggered by the trigger and triggered the trigger will cause Cremore to explode.

As such, the cremorous explosion of the lightning surge occurs because the C4 explosives explode when 5 V to 6 V of electricity is input to the electric primer.

Accordingly, it is necessary to prevent the misexplosion of the cremor due to the lightning surge, and in the related art, there is a problem in the cremore that the misexplosion of the cremor due to the lightning surge cannot be prevented.

Background art of the present invention is disclosed in Korean Patent Publication No. 10-1992-0003027 (1992.02.29).

The present invention has been made to improve the above problems, and an object of the present invention is to provide a voltage regulating device for preventing explosion by lightning surge and a cremor having the same, which prevents an explosion of cremor due to a lightning surge.

Voltage control device for explosion protection by lightning surge according to an aspect of the present invention includes a switch for shorting the positive electrode and the negative electrode of the electric primer; And a constant voltage unit for preventing the operation of the electric primer by adjusting a lightning surge in a state in which the anode and the cathode of the electric primer are short-circuited by the changeover switch.

The constant voltage unit of the present invention is a gas discharge tube (GDT), a metal oxide varistor (MOV), a Zener diode, a silicon controlled rectifier (SCR), a varistor (Varistor) , Triac (Triac) and arrester (Arrester) is characterized in that it comprises any one or more.

In the switching switch of the present invention, a first trigger terminal is connected to one electrode of the trigger, a second trigger terminal is connected to the other electrode of the trigger, and a common terminal is connected to the electric primer. It is characterized in that the switch to the trigger terminal or the second trigger terminal.

In the present invention, it characterized in that it further comprises an operation unit for mechanically switching the contact of the switch.

Cremor with a voltage adjustment device for preventing explosion by lightning surge in accordance with an aspect of the present invention is provided with an electric primer to the inside exploded explosives; And it is characterized in that it comprises a voltage adjusting device which is guided through the wire to the lightning surge flowing into the electric primer to prevent the operation of the electric primer.

The voltage adjusting device of the present invention includes a switching switch for shorting the positive electrode and the negative electrode of the electric primer; And a constant voltage unit which prevents the operation of the electric primer by blocking a lightning surge in a state in which the anode and the cathode of the electric primer are short-circuited by the changeover switch.

The constant voltage unit of the present invention is a gas discharge tube (GDT), a metal oxide varistor (MOV), a Zener diode, a silicon controlled rectifier (SCR), a varistor (Varistor) , Triac (Triac) and arrester (Arrester) is characterized in that it comprises any one or more.

In the switching switch of the present invention, a first trigger terminal is connected to one electrode of the trigger, a second trigger terminal is connected to the other electrode of the trigger, and a common terminal is connected to the electric primer. It is characterized in that the switch to the trigger terminal or the second trigger terminal.

In the present invention, it characterized in that it further comprises an operation unit for mechanically switching the contact of the switch.

The present invention prevents the blast of cremore due to lightning surges induced on the wire by the lightning strike, and prevents the unintentional blast of cremore due to the user's trigger malfunction.

1 is a block diagram of a cremore having a voltage adjusting device for preventing explosion by lightning surge according to an embodiment of the present invention.
2 is a diagram illustrating an internal configuration of a voltage adjusting device according to an embodiment of the present invention.
3 is a diagram illustrating an example in which a first trigger terminal and a common terminal are connected to a changeover switch according to an embodiment of the present invention.
4 is a diagram illustrating an example in which a second trigger terminal and a common terminal are connected in a changeover switch according to an embodiment of the present invention.
5 is a test diagram for measuring the voltage applied during the operation of the percussion device in the conventional cremore.
FIG. 6 is a test diagram for measuring a voltage applied during operation of a percussion device in a cremore equipped with a voltage adjusting device for preventing explosion due to a lightning surge according to an embodiment of the present invention.
7 is a test diagram for measuring a voltage applied during operation of a lightning surge generator in the conventional cremore.
FIG. 8 is a test diagram for measuring a voltage applied when operating a lightning surge generator in a cramore equipped with a voltage adjusting device for preventing explosion by a lightning surge according to an embodiment of the present invention.
FIG. 9 is a test diagram for measuring a voltage applied when a lightning surge generator is operated to an electric wire in a cramore provided with a voltage adjusting device for preventing explosion by a lightning surge according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a voltage regulating device for preventing explosion by lightning surge and a cremor having the same according to an embodiment of the present invention. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, the definitions of these terms should be made based on the contents throughout the specification.

1 is a block diagram of a cremore having a voltage regulating device for preventing explosion by lightning surge according to an embodiment of the present invention, Figure 2 shows an internal configuration of the voltage regulating device according to an embodiment of the present invention 3 is a view illustrating an example in which a first trigger terminal and a common terminal are connected in a changeover switch according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view of the changeover switch according to an embodiment of the present invention. 2 is a diagram illustrating an example in which a two-terminal terminal and a common terminal are connected.

As shown in FIG. 1, a cremore having a voltage adjusting device for preventing explosion by a lightning surge according to an embodiment of the present invention includes a trigger 10, a main body 20, and a voltage adjusting device 30. do.

The trigger 10 is connected to the end of the wire 11 to generate a trigger signal of DC 5 ~ 6V by mechanical shock and input to the main body 20.

The main body 20 has a case (not shown) formed in a saddle shape made of resin, and is arranged in a plate surface in which about 700 iron balls are curved at a predetermined angle together with explosives therein.

The inside of the main body 20 is provided with an electric primer 21 to explode explosives, the electric primer 21 is to operate the explosion signal transmitted from the trigger 10, thereby exploding the explosives.

For reference, the above-described percussion apparatus 10 and the main body 20 are obvious to those skilled in the art, and can be easily implemented by those skilled in the art, and thus detailed description thereof will be omitted.

On the other hand, when a lightning surge flows through the wire 11 due to a lightning strike in the state where the wire 11 is installed on the ground, the electric primer 21 operates to operate the explosive charge similarly to the operation of the trigger 10. Exploded.

The voltage adjusting device 30 is installed on the wire 11 for transmitting the trigger signal between the trigger 10 and the main body 20, and adjusts the lightning surge induced by the lightning, thereby causing an electric primer. (21) is operated to prevent the explosive from exploding.

To this end, the voltage adjusting device 30 prevents the lightning surge from flowing into the electric primer 21 when the lightning surge of impulse characteristics flows into the electric wire 11, and prevents the positive and negative poles of the electric primer 21. Form at equipotential.

To this end, the voltage adjusting device 30 includes a changeover switch 31, an operation unit 32 and a constant voltage unit 33, as shown in FIG.

The switching switch 31 selectively blocks the DC 5-6V trigger signal supplied from the trigger 10 to the electric primer 21, short-circuits the positive electrode and the negative electrode of the electric primer 21, and the operation unit 32. Causes the changeover switch 31 to mechanically switch the contact point.

The changeover switch 31 may include a first trigger terminal 311 connected to one electrode of the trigger 10 and a second trigger terminal 312 and an electric primer 21 connected to the other electrode of the trigger 10. It includes a common terminal 313 connected to.

Accordingly, the changeover switch 31 can be switched over, as shown in FIGS. 3 and 4.

First, as shown in FIG. 3, when the common terminal 313 and the first trigger terminal 311 are connected through the operation unit 32, the trigger signal of the trigger 10 is blocked, so that the user's trigger (10) The anode and the cathode of the electric primer 21 are shorted to form an equipotential while blocking the trigger signal from being input to the electric primer 21 by an incorrect operation.

On the other hand, when the changeover switch 31 is shown in FIG. 4, when the common terminal 313 and the second trigger terminal 312 are connected, the trigger signal generated by the user's normal trigger 10 operation. Enter the electric primer 21.

On the other hand, the operation unit 32 switches the contact point of the changeover switch 31 by mechanical operation. Therefore, the user may appropriately switch the contact point of the changeover switch 31 in consideration of weather conditions such as when the non-cremory is not used or the lightning may occur through the operation unit 32.

For example, when not using the cremore or in a weather condition in which lightning may occur, the operation unit 32 is operated to connect the common terminal 313 and the first trigger terminal 311, and the user's trigger ( 10) It is possible to block the trigger signal from being input due to an incorrect operation.

On the other hand, when the use of cremor or weather conditions is good, the common terminal 313 and the second trigger terminal 312 may be connected.

On the other hand, the constant voltage unit 33 is connected to the anode and the cathode of the electrical primer 21 to adjust the lightning surge induced by the lightning strike to prevent the input to the electrical primer 21.

In the constant voltage unit 33, when the surge switch is induced while the switch switch 31 is connected to the common terminal 313 and the first trigger terminal 311, a lightning surge of impulse characteristics is caused by a short circuit condition. By preventing the input and preventing the operation of the electric primer 21 by the lightning surge, it is possible to prevent the explosion of the explosives.

The constant voltage unit 33 may include a gas discharge tube (GDT), a metal oxide varistor (MOV), a zener diode, a silicon controlled rectifier (SCR), and a varistor (varistor). ), Triac and Arrester may be formed in various ways including one or more.

Hereinafter, an experimental example of a cremor with an explosion protection function by lightning surge according to an embodiment of the present invention will be described in detail with reference to FIGS. 5 to 9.

5 is a test diagram for measuring the voltage applied during the operation of the trigger in the conventional cremore, Figure 6 is a cremor with a voltage adjusting device for preventing explosion by lightning surge according to an embodiment of the present invention This is a test diagram for measuring the voltage applied during the operation of the percussion.

5 and 6, a trigger signal of a normal voltage is generated through a trigger 10 in a cremore equipped with a conventional cremore and an explosion-proof voltage adjusting device by a lightning surge according to an embodiment of the present invention. It can be seen that.

In this case, the measured voltages V1 and V2 measured at the front and rear ends of the voltage adjusting device 30 and the operation of the electric primer will be described with reference to Table 1.

Measured voltage and electrical primer operation Reference
drawing exam
power exam
Voltage Measure
Voltage (V1) Measure
Voltage (V2) Electric primer
Operation install
Whether 5 Percussion / DC DC 5V 5 V 5 V Action / explosion Not installed 5 Percussion / DC DC 6V 6 V 6 V Action / explosion Not installed 6 Percussion / DC DC 5V 5 V 5 V Action / explosion install 6 Percussion / DC DC 6V 6 V 6 V Action / explosion install

Referring to Table 1, when the conventional cremore (1, 3) inputs the normal trigger signals of DC 5V and DC 6V through the trigger 1, both the measurement voltage (V1, V2) is DC 5V and DC 6V And, it can be seen that the explosives explode due to the normal operation of the electric primer (3).

In addition, the Cremor with explosion protection function of lightning surge according to an embodiment of the present invention is DC 5V and the state in which the switch 31 is connected to the common terminal 313 and the second trigger terminal 312 When the trigger signal of DC 6V is input, the measured voltages (V1, V2) are both 5V and 6V, and like the conventional cramore (1.3), it can be seen that the electric primer 21 operates normally and explosives explode. . That is, it can be seen that normal operation is possible.

FIG. 7 is a test diagram for measuring a voltage applied when a lightning surge generator is operated in a conventional cremore, and FIG. 8 is a cramore having a voltage adjusting device for preventing explosion by a lightning surge according to an embodiment of the present invention. This is a test diagram for measuring the voltage applied during the operation of a lightning surge generator.

Referring to FIGS. 7 and 8, it can be seen that a lightning surge is inputted into a conventional cremore and a cremore having an explosion protection function by a lightning surge according to an embodiment of the present invention.

In this case, the measured voltages V1 and V2 measured at the front and rear ends of the voltage adjusting device 30 and the operation of the electric primer will be described with reference to Table 2.

Measured voltage and electric primer Reference
drawing exam
power exam
Voltage Measure
Voltage (V1) Measure
Voltage (V2) Electric primer
Operation install
Whether 7 1.2 / 50㎲, 8 / 20㎲ Lightning surge 5V 5 V 5 V 不 Operation / 不 Explosion Not installed 7 1.2 / 50㎲, 8 / 20㎲ Lightning surge 10V 10 V 10 V 不 Operation / 不 Explosion Not installed 7 1.2 / 50㎲, 8 / 20㎲ Lightning surge 20V 20 V 20 V Action / explosion Not installed 7 1.2 / 50㎲, 8 / 20㎲ Lightning surge 50V 50 V 50 V Action / explosion Not installed 8 1.2 / 50㎲, 8 / 20㎲ Lightning surge 5V 5 V 5 V 不 Operation / 不 Explosion install 8 1.2 / 50㎲, 8 / 20㎲ Lightning surge 10V 10 V 4.0V 不 Operation / 不 Explosion install 8 1.2 / 50㎲, 8 / 20㎲ Lightning surge 20V 20 V 4.1V 不 Operation / 不 Explosion install 8 1.2 / 50㎲, 8 / 20㎲ Lightning surge 50V 50 V 4.3 V 不 Operation / 不 Explosion install

Referring to Table 2, when the conventional cremors 1 and 3 input lightning surges 5V, 10V, 20V, and 50V through the lightning surge generator 40, the electric primer 3 operates at the lightning surges 5V and 10V. However, at 20V and 50V, the electric primer 3 was operated to explode.

Therefore, the conventional cremore can confirm that the cremor mis-explosion caused by the lightning surge.

However, in the case of the Cremor equipped with an explosion protection function due to a lightning surge according to an embodiment of the present invention, even if the lightning surge 5V, 10V, 20V, 50V is input through the lightning surge generator 40, the measured voltage (V2) At 5V, 4.0V, and 4.1V and 4.3V, respectively, the electric primer 21 did not operate and explosives did not explode.

Therefore, it can be seen that the cremorous explosion with the lightning protection function according to the embodiment of the present invention does not cause the cremorous misexplosion caused by the lightning surge.

FIG. 9 is a test diagram for measuring a voltage applied when a lightning surge generator is operated to an electric wire in a cramore provided with a voltage adjusting device for preventing explosion by a lightning surge according to an embodiment of the present invention.

9, it can be seen that the lightning surge generator 40 is installed on the wire 11 to input the lightning surge and to input the normal voltage and the lightning surge.

In this case, the measured voltage (V2) measured at the rear end of the voltage adjusting device 30, and whether or not the electrical primer operation will be described through Table 3.

Measured voltage and electrical primer operation Reference
drawing exam
power exam
Voltage Measure
Voltage (V2) Electric primer
Operation install
Whether 9 Percussion / DC DC 5V 5 V action
/explosion With common terminals
First trigger terminal connection 9 Percussion / DC DC 6V 6 V action
/explosion With common terminals
First trigger terminal connection 9 1.2 / 50㎲, 8 / 20㎲ Lightning surge 20V 4.4 V 不 Operation / 不 Explosion With common terminals
2nd trigger terminal connection 9 1.2 / 50㎲, 8 / 20㎲ Lightning surge 50V 4.8 V Motion
Explosion With common terminals
2nd trigger terminal connection

Referring to Table 3, in the state equipped with a voltage regulator for preventing explosion by lightning surge according to an embodiment of the present invention, the common terminal 313 and the first trigger terminal 311 is connected, the trigger When inputting DC 5V, DC 6V through (10), it can be seen that the electric primer 21 operates to explode explosives. That is, the normal operation can be confirmed.

In particular, in the state where the common terminal 313 and the second trigger terminal 312 are connected, the lightning surge 20V and 50V through the lightning surge generator 40 (voltage of the conventional cremoa 1, 3 in Table 2 exploded) ), The measured voltage (V2) is measured 4.4V and 4.8V. That is, since the surge voltage is adjusted and the electric primer 21 does not operate, it can be seen that the explosives do not explode.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, I will understand. Accordingly, the true scope of the present invention should be determined by the following claims.

10: Percussion 11: Front
20: main body 21: electric primer
30: voltage regulator 31: changeover switch
311: first trigger terminal 312: second trigger terminal
313: common terminal 32: control panel
33: constant voltage section 40: lightning surge generator

Claims (9)

A switching switch for shorting the positive electrode and the negative electrode of the electric primer; And
It includes a constant voltage unit for preventing the operation of the electrical primer by adjusting the lightning surge in the state in which the positive electrode and the negative electrode of the electrical primer is short-circuited by the changeover switch,
The changeover switch has a first trigger terminal connected to one electrode of the trigger, a second trigger terminal connected to the other electrode of the trigger, a common terminal connected to the electric primer, and the first trigger terminal. Or a voltage adjusting device for preventing explosion due to lightning surge, which is switched to the second trigger terminal. The method of claim 1, wherein the constant voltage unit
Gas Discharge Tube (GDT), Metal Oxide Varistor (MOV), Zener Diode, Silicon Controlled Rectifier (SCR), Varistor, Triac And an arrester (Arrester), the voltage regulation device for preventing explosions due to lightning surges. delete The voltage adjusting device for preventing explosion by lightning surge according to claim 1 or 2, further comprising an operation unit for mechanically switching the contact point of the changeover switch. An electric primer provided inside the main body to explode explosives;
It includes a voltage adjusting device which is guided through the wire to the lightning surge flowing into the electrical primer to prevent the electrical primer from operating,
The voltage adjusting device includes a switch for shorting the positive electrode and the negative electrode of the electric primer; And a constant voltage unit for blocking the lightning surge in a state in which the positive electrode and the negative electrode of the electric primer are short-circuited by the switching switch, thereby preventing the operation of the electric primer.
The changeover switch has a first trigger terminal connected to one electrode of the trigger, a second trigger terminal connected to the other electrode of the trigger, a common terminal connected to the electric primer, and the first trigger terminal. Or a voltage regulating device for preventing explosion due to lightning surge, which is switched to the second trigger terminal. delete The method of claim 5, wherein the constant voltage unit
Gas Discharge Tube (GDT), Metal Oxide Varistor (MOV), Zener Diode, Silicon Controlled Rectifier (SCR), Varistor, Triac And an arrester (Arrester) comprising a voltage regulating device for preventing explosion by lightning surge. delete 6. The cramore according to claim 5, further comprising an operation unit for mechanically switching the contact point of the changeover switch.

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