CN218864913U

CN218864913U - Safe ignition control circuit for double-capacitor electronic detonator

Info

Publication number: CN218864913U
Application number: CN202221185852.9U
Authority: CN
Inventors: 罗继峰; 李道流; 王超; 王浩; 石宇轩
Original assignee: Dezhou Kuancheng Electronic Technology Co ltd; Shanghai Kuncheng Electronic Technology Co ltd
Current assignee: Dezhou Kuancheng Electronic Technology Co ltd; Shanghai Kuncheng Electronic Technology Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-04-14
Anticipated expiration: 2032-05-18

Abstract

A safe ignition control circuit for a double-capacitor electronic detonator is characterized in that one of double capacitors is used as a working capacitor for storing energy to generate working voltage, and the other double capacitors is used as a detonation capacitor for storing energy to generate detonation voltage; the safety ignition circuit comprises a voltage source, a first switch, a load resistor, a second switch, a detonation capacitor, an ignition head and a third switch; the output end of the voltage source is electrically connected with one end of the first switch; one end of the first switch, which is far away from the voltage source, is electrically connected with one end of the load resistor, one end of the detonation capacitor and one end of the ignition head; one end of the load resistor, which is far away from the first switch, is electrically connected with one end of the second switch; one end of the second switch, which is far away from the load resistor, is electrically connected with one end of the detonation capacitor, which is far away from the first switch, and one end of the third switch; one end of the ignition head far away from the first switch is electrically connected with one end of the third switch far away from the second switch. The utility model discloses can solve the staff and miss the trigger detonation switch, lead to the electron detonator to miss to trigger the detonation, will produce the problem of harm to staff and equipment.

Description

Safe ignition control circuit for double-capacitor electronic detonator

Technical Field

The utility model belongs to the technical field of detonator safety control, especially, relate to a safe ignition control circuit for two electric capacity electronic detonator. One capacitor is a working capacitor, and the working power supply voltage of the circuit is stored and generated; and the other capacitor is a detonation capacitor and stores the power supply voltage required for triggering the detonation function.

Background

After the field construction and the bus network connection are completed, the electronic detonator detonation control system needs to detect the construction quality, such as the physical connection instruction of the network, the detection of the performance condition of each electronic detonator in the control system and the like; meanwhile, the setting and verification of the detonation parameters of the electronic detonators in the network are required, and the detonation link is finally started after all the electronic detonators are correct and reliable.

However, in all process flows in the field, the electronic detonator is already loaded with the ignition agent and the blasting powder. If the staff mistakenly touches the detonation switch, the electronic detonator is mistakenly triggered to detonate, and the staff and the equipment are damaged.

Disclosure of Invention

The utility model provides a safe ignition control circuit for two electric capacity electronic detonator can be used to solve the staff and miss the trigger detonation switch, leads to electronic detonator to miss to trigger the detonation, will produce the problem of harm to staff and equipment.

The utility model provides a safe ignition control circuit for two electric capacity electronic detonator, include: the ignition circuit comprises a voltage source, a first switch, a load resistor, a second switch, a detonation capacitor, an ignition head and a third switch;

the output end of the voltage source is electrically connected with one end of the first switch; one end of the first switch, which is far away from the voltage source, is electrically connected with one end of the load resistor, one end of the detonation capacitor and one end of the ignition head; one end of the load resistor, which is far away from the first switch, is electrically connected with one end of the second switch; one end of the second switch, which is far away from the load resistor, is electrically connected with one end of the detonation capacitor, which is far away from the first switch, and one end of the third switch; one end of the ignition head, which is far away from the first switch, is electrically connected with one end of the third switch, which is far away from the second switch.

Further, one end of the second switch, which is far away from the load resistor, is grounded.

Furthermore, the rated working voltage of the detonation capacitor is more than or equal to 8V and less than or equal to 15V.

Furthermore, the rated working voltage of the ignition head is more than or equal to 8V and less than or equal to 15V.

Furthermore, the rated working voltage of the load resistor is greater than or equal to 8V.

The utility model provides a safe ignition control circuit for two electric capacity electronic detonator, include: the ignition circuit comprises a voltage source, a first switch, a load resistor, a second switch, a detonation capacitor, an ignition head and a third switch; the output end of the voltage source is electrically connected with one end of the first switch; one end of the first switch, which is far away from the voltage source, is electrically connected with one end of the load resistor, one end of the detonation capacitor and one end of the ignition head; one end of the load resistor, which is far away from the first switch, is electrically connected with one end of the second switch; one end of the second switch, which is far away from the load resistor, is electrically connected with one end of the detonation capacitor, which is far away from the first switch, and one end of the third switch; one end of the ignition head, which is far away from the first switch, is electrically connected with one end of the third switch, which is far away from the second switch. The above device of the utility model, solve the staff and miss the trigger detonation switch, lead to the electron detonator to miss to trigger the detonation, will produce the problem of harm to staff and equipment.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a circuit diagram of a safe ignition control circuit for a dual-capacitor electronic detonator provided by the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

As described in the background art, in all process flows of detecting the construction quality after the field construction and the bus network connection are completed, the electronic detonator is loaded with the ignition agent and the blasting powder. If the staff mistakenly touches the detonation switch, the electronic detonator is mistakenly triggered to detonate, and the staff and the equipment are damaged.

Therefore, in order to solve the above problems, an embodiment of the present invention provides a safe ignition control circuit for a dual-capacitor electronic detonator, and referring to fig. 1, fig. 1 is a schematic structural diagram of a manufacturing method of a waveguide structure composite substrate.

The utility model provides a safe ignition control circuit for two electric capacity electronic detonator, include: the ignition circuit comprises a voltage source VCC, a first switch S1, a load resistor R, a second switch S2, an initiation capacitor C, an ignition head F and a third switch S3; the voltage source VCC is the voltage output by an upper controller of the electronic detonator detonation control system on the network bus.

The output end of the voltage source VCC is electrically connected with one end of the first switch S1; one end of the first switch S1, which is far away from the voltage source VCC, is electrically connected with one end of the load resistor R, one end of the detonation capacitor C and one end of the ignition head F; one end of the load resistor R, which is far away from the first switch S1, is electrically connected with one end of the second switch S2; one end of the second switch S2, which is far away from the load resistor R, is electrically connected with one end of the detonation capacitor C, which is far away from the first switch S1, and one end of the third switch S3; one end of the ignition head F far away from the first switch S1 is electrically connected with one end of the third switch S3 far away from the second switch S2. Optionally, one end of the second switch S2 away from the load resistor R is grounded. The rated working voltage of the initiation capacitor C is more than or equal to 8V and less than or equal to 15V. The rated working voltage of the ignition head F is more than or equal to 8V and less than or equal to 15V. The rated operating voltage of the load resistor R is not less than 8V.

The utility model provides a safe ignition control circuit is after accomplishing detonator installation and bus hookup work, relevant preparation work before detonating, upper controller output voltage to network bus, the first switch S1 of the electric capacity C charge circuit that detonates of disconnection, closed detonating electric capacity C discharge circuit second switch S2, the electric energy of storing on the electric capacity C is detonated in load resistance consumption, detonating electric capacity C does not have the energy and applys ignition head F and detonates the ignition medicament, reach and eliminate the detonator detonation that the mistake touched the ignition switch and arouse, accomplish network group test, the detonator self-checking, set up, relevant functions such as test.

And starting the detonation working process after the preparation work is finished, disconnecting the second switch S2 of the discharging loop of the detonation capacitor C, closing the first switch S1 of the charging loop of the detonation capacitor C, enabling the VCC voltage on the network bus to charge the detonation capacitor C, and after the charging is finished, closing the third switch S3 to trigger the detonation. If the detonation is abandoned, the first switch S1 of the charging circuit of the detonation capacitor C is disconnected, the second switch S2 of the discharging circuit of the detonation capacitor C is closed, the load resistor consumes the electric energy stored in the detonation capacitor C, and the initial state of the detonation capacitor C is recovered.

Triggering the priming detonator, closing the third switch S3 to close the priming capacitor C and the ignition loop, and instantaneously discharging the energy on the priming capacitor C to the ignition head F to initiate chemical reaction of the ignition agent to detonate the detonator. And the detonator is withdrawn after finishing the detonation.

The utility model provides a safe ignition control circuit for two electric capacity electronic detonator, after electronic detonator priming control system accomplished a series of preparation work, personnel's equipment exited the detonation scene, entered the detonation course of working, VCC voltage on the network bus charges detonation electric capacity C, and detonation electric capacity C discharge circuit closes simultaneously; and triggering the detonation after the detonation capacitor C is charged, and instantaneously discharging the ignition head F through the energy on the detonation capacitor C to initiate a chemical reaction of the ignition agent to detonate the detonator. And if the voltage is charged into the detonation capacitor C, and the detonation is cancelled before triggering the detonation, controlling the charging loop of the detonation capacitor C to be closed, and simultaneously conducting the discharging loop of the detonation capacitor C to discharge the charged power energy so as to achieve the safe state of the electronic detonator.

The present invention has been described in detail with reference to the specific embodiments and the exemplary embodiments, but the description should not be construed as limiting the present invention. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the embodiments of the present invention and its embodiments without departing from the spirit and scope of the invention, and all such equivalents are intended to fall within the scope of the invention. The protection scope of the present invention is subject to the appended claims.

Claims

1. A safe ignition control circuit for a double-capacitor electronic detonator is characterized by comprising: the ignition circuit comprises a voltage source (VCC), a first switch (S1), a load resistor (R), a second switch (S2), an initiation capacitor (C), an ignition head (F) and a third switch (S3);

the output end of the voltage source (VCC) is electrically connected with one end of the first switch (S1); one end of the first switch (S1) far away from the voltage source (VCC) is electrically connected with one end of the load resistor (R), one end of the detonation capacitor (C) and one end of the ignition head (F); one end, far away from the first switch (S1), of the load resistor (R) is electrically connected with one end of the second switch (S2); one end of the second switch (S2), which is far away from the load resistor (R), is electrically connected with one end of the detonation capacitor (C), which is far away from the first switch (S1), and one end of the third switch (S3); one end, far away from the first switch (S1), of the ignition head (F) is electrically connected with one end, far away from the second switch (S2), of the third switch (S3).

2. A safety ignition control circuit according to claim 1, characterized in that the end of the second switch (S2) remote from the load resistance (R) is connected to ground.

3. A safety ignition control circuit according to claim 1, characterized in that the rated operating voltage of the detonation capacitor (C) is equal to or greater than 8V and equal to or less than 15V.

4. The safe ignition control circuit according to claim 1, characterized in that the rated operating voltage of the ignition head (F) is equal to or greater than 8V and equal to or less than 15V.

5. A safety ignition control circuit according to claim 1, characterized in that the load resistance (R) has a nominal operating voltage of 8V or more.