CN112196621A - Exploder automatically locked after alarm is sent by monitoring system sensor - Google Patents
Exploder automatically locked after alarm is sent by monitoring system sensor Download PDFInfo
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- CN112196621A CN112196621A CN202011064737.1A CN202011064737A CN112196621A CN 112196621 A CN112196621 A CN 112196621A CN 202011064737 A CN202011064737 A CN 202011064737A CN 112196621 A CN112196621 A CN 112196621A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 48
- 238000004880 explosion Methods 0.000 claims abstract description 61
- 238000005422 blasting Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005474 detonation Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses an exploder which is automatically locked after being alarmed by a sensor of a monitoring system, comprising: the gas monitoring system comprises a gas content measuring device, a gas overrun judging device and a signal receiving device, and when the gas content is qualified, the electric explosion network is started; when the gas content is unqualified, an alarm signal is sent out, after the signal receiving device receives the alarm, a frequency of 43 mega is sent out, the exploder is locked and cannot explode. By the mode, the exploder automatically locked after the sensor of the monitoring system gives an alarm is combined with the mine exploder and the gas monitoring system, and whether the gas content is qualified or not can be determined through measuring and judging the gas content under a mine, so that whether the exploder is started or not is controlled, and gas explosion accidents caused by blasting are fundamentally avoided.
Description
Technical Field
The invention relates to a detonator, belongs to the field of coal mine detonators, and particularly relates to a detonator which is automatically locked after an alarm is sent by a sensor of a monitoring system.
Background
The coal mine exploder is mainly applied to triggering the electric detonator in underground coal mine explosion and is suitable for being used in the working environment of mines with gas and coal dust explosion risks. In order to reduce blasting accidents to the maximum extent, the nation repeatedly stresses "before each blasting operation, the blasting operator must make an inspection of the electric blasting network" in the coal mine safety. Most of mine exploder manufacturers in China can not meet the requirements of the regulations, the exploder developed by the invention can meet the determination of the gas content before explosion, and a gas monitoring system is used for controlling the opening of the exploder, so that the occurrence of accidents is reduced.
Disclosure of Invention
The invention mainly solves the technical problem of how to provide the exploder which combines the mine exploder with a gas monitoring system, can determine and judge whether the gas content is qualified or not through the measurement and the judgment of the gas content under a mine, thereby controlling whether the exploder is started or not and fundamentally avoiding the gas explosion accident caused by blasting and is automatically locked after an alarm is sent by a monitoring system sensor.
In order to solve the technical problems, the invention adopts a technical scheme that: there is provided a detonator automatically latching upon an alarm from a sensor of a monitored system, comprising: the explosion device comprises an exploder shell, an electric explosion network, a gas monitoring system, a network resistance value display device, a switch, a high-voltage output terminal and an explosion wiring terminal. The network resistance value display device and the switch are arranged on the shell of the exploder, the network resistance value display device is electrically connected with the switch, the high-voltage output terminal and the blasting wiring terminal are electrically connected with the electric explosion network respectively, one end of the gas monitoring system is electrically connected with the network resistance value display device, the other end of the gas monitoring system is electrically connected with the switch, and the gas monitoring system is electrically connected with the electric explosion network.
The gas monitoring system comprises a gas content measuring device, a gas overrun judging device and a signal receiving device, wherein the gas content measuring device is used for measuring the gas content and sending a signal. The signal receiving device comprises a signal sensor, the signal sensor is in control connection with a gas monitoring system, the gas monitoring system receives a gas content measured value signal and transmits the gas content measured value signal to a gas overrun judging device, the gas overrun judging device judges whether the gas content exceeds the standard or not, and when the gas content is qualified, an electric explosion network is started; when the gas content is unqualified, an alarm signal is sent out, after the signal receiving device receives the alarm, the gas monitoring system sends out 43-megahertz frequency, and the exploder is locked and cannot explode.
In a preferred embodiment, the network resistance value display device is provided with an electric quantity indicator light and an explosion indicator light, and the electric quantity indicator light and the explosion indicator light are respectively electrically connected with the switch.
In a preferred embodiment, the gas monitoring system exploder further comprises an electric detonator interface, a network resistance measuring port, and an electric explosion network electrically connected with the electric detonator interface and the network resistance measuring port respectively.
In a preferred embodiment, the number of the electric detonator interfaces is two, namely a first electric detonator interface and a second electric detonator interface, and the first electric detonator interface and the second electric detonator interface are respectively connected with one end of an electric explosion network in a control mode.
In a preferred embodiment, the number of the network resistance measuring ports is set to be 2, and the network resistance measuring ports are respectively a first network resistance measuring port and a second network resistance measuring port, and the first network resistance measuring port and the second network resistance measuring port are respectively connected with the other end of the electrical explosion network in a control mode.
In a preferred embodiment, the electric explosion network comprises an oscillating circuit, a voltage-multiplying rectifying circuit, a charging indicating circuit, an explosion indicating circuit and a network resistance display, wherein the oscillating circuit and the voltage-multiplying rectifying circuit are electrically connected, the charging indicating circuit, the explosion indicating circuit and the network resistance display are electrically connected in sequence, the oscillating circuit, the voltage-multiplying rectifying circuit, the charging indicating circuit, the explosion indicating circuit and the network resistance display are electrically connected with a power supply, and the power supply is electrically connected with the gas monitoring system.
In a preferred embodiment, the electric explosion network is connected with a high-voltage output terminal, and the high-voltage output terminal is electrically connected with the voltage-doubling rectifying circuit and the power supply respectively.
In a preferred embodiment, the material of the detonator shell is high strength phenolic fiberglass plastic.
The invention has the beneficial effects that: the mine exploder is combined with the gas monitoring system, whether the gas content is qualified or not can be determined and judged under a mine through the determination and judgment of the gas content, so that whether the exploder is started or not is controlled, the gas explosion accident caused by blasting is fundamentally avoided, and the personal safety of workers under the mine is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a detonator shell in an embodiment of the present invention that automatically latches after an alarm is issued by a monitoring system sensor;
FIG. 2 is a frame diagram of an electrical explosion network structure including a gas monitoring system in an embodiment of the invention where the monitoring system sensor sends an alarm and the detonator is automatically locked;
FIG. 3 is a circuit diagram of an electrical explosion network in an embodiment of the present invention for an automatic lockout of an explosion vent after an alarm is issued by a sensor of the monitoring system;
the various references in the drawings are: 1. a detonator shell; 2. an electric explosion network; 21. an oscillation circuit; 22. a voltage doubler rectifier circuit; 23. a gas monitoring system; 231. a gas overrun determination device; 232. a signal receiving device; 233. a receiving circuit; 234. a gas content measuring device; 235. a signal sensor; 24. a charge indication circuit; 25. a detonation indicating circuit; 26. a network resistance display; 27. a power source; 31. a first electric detonator interface; 32. a second electric detonator interface; 41. a first network resistance measurement port; 42. a second network resistance measurement port; 5. a network resistance value display device; 51. a charging indicator light; 52. a detonation indicator light; 6. a switch; 7. a display board; 8. a high voltage output terminal; 9. blasting wiring terminals; 10. a first hanging hole; 11. and a second hanging hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an automatic locking exploder after an alarm is issued by a sensor of a monitored system is provided, and the automatic locking exploder after the alarm is issued by the sensor of the monitored system includes: the explosion device comprises an exploder shell 1, an electric explosion network 2, a gas monitoring system 23, a network resistance value display device 5, a switch 6, a high-voltage output terminal 8 and an explosion wiring terminal 9. The network resistance value display device 5 and the switch 6 are both arranged on the exploder shell 1, and the exploder shell 1 is made of high-strength phenolic glass fiber plastics. The high-voltage output terminal 8 and the blasting connection terminal 9 are respectively electrically connected with the electric explosion network 2. The electric explosion network 2 is connected with a high voltage output terminal 8, and the high voltage output terminal 8 is electrically connected with the voltage doubling rectifying circuit 22 and the power supply 27 respectively.
Preferably, the network resistance display device 5 is electrically connected to the switch 6, one end of the gas monitoring system 23 is electrically connected to the network resistance display device 5, the other end of the gas monitoring system is electrically connected to the switch 6, and the gas monitoring system 23 is electrically connected to the electric explosion network 2.
The gas monitoring system 23 includes a gas content measuring device 234 for measuring the gas content and sending out a signal, a gas overrun determining device 231, a signal receiving device 232, and a receiving circuit 233. The signal receiving device 232 comprises a signal sensor 235, the signal sensor 235 is connected with the gas monitoring system 23 in a control mode, and the receiving circuit 233 comprises a wireless signal receiver and a microprocessor. The signal sensor 235 is an infrared sensor, the control connection relationship between the signal sensor 235 and the gas monitoring system 23 is a connection manner in the prior art, and the gas content measuring device 234, the gas overrun determining device 231, the signal receiving device 232, the receiving circuit 233, the wireless signal receiver, the microprocessor and the like are signal receivers and microprocessors in the prior art, as long as corresponding functions are realized, and the structure is not limited. The gas monitoring system 23 receives the gas content measured value signal and transmits the gas content measured value signal to the gas overrun judging device 231, the gas overrun judging device 231 judges whether the gas content exceeds the standard or not, and when the gas content is qualified, the electric explosion network 2 is opened; when the gas content is unqualified, an alarm signal is sent out, after a signal receiving sensor and a receiving circuit 233 in a signal receiving device 232 receive the alarm, the gas monitoring system 23 sends out 43-megahertz frequency, and the exploder is locked and cannot explode.
The shell 1 of the exploder is further provided with a display board 7, and the display board 7 is set to be a nameplate in one embodiment, is positioned on the outer surface of the shell 1 of the exploder and is used for displaying the use place, the attention points and the like of the exploder. The top end of the exploder shell 1 is further provided with a first hanging hole 10 and a second hanging hole 11, the first hanging hole 10 and the second hanging hole 11 are located at two ends of the top of the exploder shell 1 and are respectively used for hanging the exploder which is automatically locked after an alarm is sent by a sensor of a monitoring system to a safe place. In one implementation process, the display window of the network resistance display device 5 has three display functions, which are as follows:
1. the upper left corner displays green color for normal charging;
2. the upper right corner is used for detonation display and light prompt detonation;
3. the number is shown as a measure of the network resistance in units of Q.
The network resistance value display device 5 is provided with an electric quantity indicator lamp 51 and an explosion indicator lamp 52, and the electric quantity indicator lamp 51 and the explosion indicator lamp 52 are respectively electrically connected with the switch 6. The switch 6 is a rotary switch, when the switch 6 rotates to the charging direction, the electric quantity indicator lamp 51 is on, and the battery needs to be replaced or the battery is charged by using the special wireless charging of the exploder until the electric quantity is sufficient. When the switch 6 rotates to the blasting direction, the detonation indicator lamp 52 is on, high voltage of more than three thousand volts is output outwards, and the electric blasting network 2 controls the blasting machine to start blasting, so that the electric detonator is detonated.
In one embodiment, the material of the detonator shell 1 is high-strength phenolic glass fiber plastic, in the prior art, the material of the detonator shell 1 is mostly a glass fiber reinforced plastic shell, and the material of the detonator shell 1 is high-strength phenolic glass fiber plastic, is a double-resistance material, and has the effects of static resistance and flame resistance.
Preferably, the gas monitoring system exploder further comprises an electric detonator interface and a network resistance measuring port, wherein the electric detonator interface and the network resistance measuring port are electrically connected with the electric detonator 2 and the network resistance measuring port respectively. The number of the electric detonator interfaces is 2, the electric detonator interfaces are respectively a first electric detonator interface 31 and a second electric detonator interface 32, and the first electric detonator interface 31 and the second electric detonator interface 32 are respectively in control connection with one end of the electric explosion network 2. The number of the network resistance measuring ports is 2, the network resistance measuring ports are respectively a first network resistance measuring port 41 and a second network resistance measuring port 42, and the first network resistance measuring port 41 and the second network resistance measuring port 42 are respectively connected with the other end of the electric explosion network 2 in a control mode.
In a preferred embodiment, the electric explosion network 2 includes an oscillating circuit 21, a voltage-doubling rectifying circuit 22, a charging indicating circuit 24, an explosion indicating circuit 25 and a network resistance display 26, the oscillating circuit 21 and the voltage-doubling rectifying circuit 22 are electrically connected, the charging indicating circuit 24, the explosion indicating circuit 25 and the network resistance display 26 are electrically connected in sequence, the oscillating circuit 21, the voltage-doubling rectifying circuit 22, the charging indicating circuit 24, the explosion indicating circuit 25 and the network resistance display 26 are electrically connected with a power supply 27, and the power supply 27 is electrically connected with the gas monitoring system 23. The gas content can be timely, effectively and accurately monitored in real time, data can be timely fed back to an electric explosion network, the opening of the exploder can be timely and effectively controlled, and gas explosion accidents caused by explosion are fundamentally avoided.
In a preferred embodiment, in order to guarantee the safety of blasting to a great extent, the invention provides the following operating modes:
1. testing
Before blasting, the resistance value of blasting bus is measured, then the connected electric detonator network is connected to the blasting bus, the digital display surface of the blasting machine faces upwards, two bus connectors are connected to the test terminal, and the full resistance value of the tested electric detonator network is displayed on the display screen at once.
2. Charging blasting
And after the blasting network is tested to be qualified, two buses of the blasting network are detached from the test terminal and then connected to the blasting binding post. The key switch is turned to the charging position, the charging indicator lamp is on, and the key switch is turned to the blasting position for blasting when the blasting indicator lamp is on. And after the blasting procedure is finished, the key is taken out, the dustproof cap is worn, the tube is well protected, and charging is forbidden when the blasting procedure is finished.
In the implementation process, the digital display detection function is used for detecting the total resistance value of the blasting network and detecting the resistance values of the detonators and the blasting buses, if the detected blasting network has a virtual joint, the detonators have unqualified quality, and the joints of the detonators have poor connection such as virtual connection, grounding and the like, the digital display detection instrument can accurately detect the resistance values so as to prevent the situations of misfiring, mis-blasting and the like in blasting. The main circuit of the exploder consists of an oscillating circuit, a voltage doubling rectifying circuit and an indicating circuit. Before blasting, the connecting network is tested to be qualified, if the connecting network is unqualified, the connecting line and each detonator connecting point can be checked by using a digital display test function to discharge faults, two blasting buses after the test is qualified are respectively connected to blasting binding posts, a key switch is turned to a charging position to be connected with a power supply, when a blasting indicator lamp is on, the key switch is turned to a blasting position to ignite electric detonators, and the residual voltage is rapidly discharged from a discharge resistor. The shell of the exploder is made of high-strength phenolic glass fiber plastics through hot pressing, and the shell is provided with blasting terminals, a network resistance test terminal, a digital display window, a charging indicator light, a blasting indicator light and an operation key socket.
In the implementation process of the invention, a No. 5 high-energy battery is used, the performance and technical indexes of the exploder are tested by using an FC-3 type exploder parameter measuring instrument on the ground before use, and the exploder can be used after qualification.
Therefore, the invention has the following advantages: the mine exploder is combined with the gas monitoring system, whether the gas content is qualified or not can be determined and judged under a mine through the determination and judgment of the gas content, so that whether the exploder is started or not is controlled, the gas explosion accident caused by blasting is fundamentally avoided, and the personal safety of workers under the mine is ensured.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. An exploder automatically locked after an alarm is sent by a sensor of a monitored system, which is characterized by comprising: the explosion device comprises an exploder shell (1), an electric explosion network (2), a gas monitoring system (23), a network resistance value display device (5), a switch (6), a high-voltage output terminal (8) and an explosion wiring terminal (9); the network resistance value display device (5) and the switch (6) are both arranged on the exploder shell (1), the network resistance value display device (5) is electrically connected with the switch (6), the high-voltage output terminal and the blasting connection terminal are respectively electrically connected with the electric explosion network, one end of the gas monitoring system (23) is electrically connected with the network resistance value display device (5), the other end of the gas monitoring system is electrically connected with the switch (6), and the gas monitoring system (23) is electrically connected with the electric explosion network (2); the gas monitoring system (23) comprises a gas content measuring device (234) used for measuring gas content and sending a signal, a gas overrun judging device (231) and a signal receiving device (232), wherein the signal receiving device (232) comprises a signal sensor (235), the signal sensor (235) is in control connection with the gas monitoring system (23), the gas monitoring system (23) receives a gas content measured value signal and transmits the gas content measured value signal to the gas overrun judging device (231), the gas overrun judging device (231) judges whether the gas content exceeds the standard or not, and when the gas content is qualified, an electric explosion network (2) is started; when the gas content is unqualified, an alarm signal is sent out, after the signal receiving device (232) receives the alarm, the gas monitoring system (23) sends out 43 megahertz, and the exploder is locked and cannot be exploded.
2. The exploder capable of automatically shutting down after an alarm is given by a monitored system sensor according to claim 1, wherein an electric quantity indicator lamp (51) and an explosion indicator lamp (52) are arranged on the network resistance value display device (5), and the electric quantity indicator lamp (51) and the explosion indicator lamp (52) are respectively and electrically connected with the switch (6).
3. The exploder which automatically locks after being monitored by the sensor of the system as claimed in claim 1, wherein the exploder which automatically locks after being monitored by the sensor of the system as claimed in claim 1 further comprises an electric detonator interface and a network resistance measuring port, and the electric detonator interface and the network resistance measuring port are respectively electrically connected with the electric detonator (2).
4. The exploder capable of automatically locking after an alarm is given by a sensor of a monitored system according to claim 3, wherein the number of the electric detonator interfaces is two, namely a first electric detonator interface (31) and a second electric detonator interface (32), and the first electric detonator interface (31) and the second electric detonator interface (32) are respectively in control connection with one end of the electric explosion network (2).
5. The exploder which is automatically locked after the monitored system sensor gives an alarm according to claim 3, wherein the number of the network resistance measuring ports is 2, and the network resistance measuring ports are respectively a first network resistance measuring port (41) and a second network resistance measuring port (42), and the first network resistance measuring port (41) and the second network resistance measuring port (42) are respectively connected with the other end of the electric explosion network (2) in a control mode.
6. The exploder capable of automatically shutting after the monitored system sensor gives an alarm according to claim 1, wherein the electric explosion network (2) comprises an oscillating circuit (21), a voltage doubling rectifying circuit (22), a charging indicating circuit (24), an explosion indicating circuit (25) and a network resistance display (26), the oscillating circuit (21) and the voltage doubling rectifying circuit (22) are electrically connected, the charging indicating circuit (24), the explosion indicating circuit (25) and the network resistance display (26) are electrically connected in sequence, the oscillating circuit (21), the voltage doubling rectifying circuit (22), the charging indicating circuit (24), the explosion indicating circuit (25) and the network resistance display (26) are electrically connected with a power supply (27), and the power supply (27) is electrically connected with the gas monitoring system (23).
7. The exploder which is automatically locked after the monitored system sensor gives an alarm according to claim 6, wherein a high-voltage output terminal (8) is connected to the electric explosion network (2), and the high-voltage output terminal (8) is electrically connected with the voltage-doubling rectifying circuit (22) and the power supply (27) respectively.
8. The detonator of claim 1 which automatically latches upon an alarm from a monitored system sensor, wherein the material of the detonator shell (1) is high strength phenolic fiberglass plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064737.1A CN112196621A (en) | 2020-09-30 | 2020-09-30 | Exploder automatically locked after alarm is sent by monitoring system sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064737.1A CN112196621A (en) | 2020-09-30 | 2020-09-30 | Exploder automatically locked after alarm is sent by monitoring system sensor |
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| Publication Number | Publication Date |
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| CN112196621A true CN112196621A (en) | 2021-01-08 |
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| CN202011064737.1A Pending CN112196621A (en) | 2020-09-30 | 2020-09-30 | Exploder automatically locked after alarm is sent by monitoring system sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023027639A1 (en) * | 2021-08-24 | 2023-03-02 | Orica International Pte Ltd | Safety systems for commercial blasting operations |
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2020
- 2020-09-30 CN CN202011064737.1A patent/CN112196621A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023027639A1 (en) * | 2021-08-24 | 2023-03-02 | Orica International Pte Ltd | Safety systems for commercial blasting operations |
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