CN210952543U - Electronically controlled carbon dioxide expansion blasting excitation tube and blasting device - Google Patents
Electronically controlled carbon dioxide expansion blasting excitation tube and blasting device Download PDFInfo
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- CN210952543U CN210952543U CN201922031098.8U CN201922031098U CN210952543U CN 210952543 U CN210952543 U CN 210952543U CN 201922031098 U CN201922031098 U CN 201922031098U CN 210952543 U CN210952543 U CN 210952543U
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Abstract
The utility model discloses an electronic control's carbon dioxide inflation blasting arouses pipe and blast apparatus. The electronic control carbon dioxide expansion blasting excitation tube comprises a shell with an opening on one side, an electric ignition head group, a control chip, a connecting leg wire, a heating powder and a first sealing plug; the heating medicine is filled in the shell; one side of the opening of the shell is sealed by a first sealing plug; the electric ignition head group and the control chip are sequentially connected in series through connecting leg wires and are arranged in the shell; the two ends of the connecting leg line penetrate out of the shell and are positioned on one side where the first sealing plug of the shell is positioned.
Description
Technical Field
The utility model relates to a gas blasting technical field, concretely relates to electronic control's carbon dioxide inflation blasting arouses pipe and blast apparatus.
Background
The carbon dioxide expansion blasting technology is a rock breaking method mainly based on physical explosion, an expansion blasting device of the carbon dioxide expansion blasting technology mainly comprises an internal exciting pipe, an external expansion pipe and supercritical carbon dioxide (higher than 7.38MPa) filled in the internal exciting pipe and the external expansion pipe, and the technical principle is as follows: under the confining pressure condition that the expansion pipe is filled with supercritical carbon dioxide, the medicament in the excitation pipe can be fully excited, the heat generated by chemical reaction enables the supercritical carbon dioxide to be higher than the phase change temperature of 31.4 ℃, so that the supercritical carbon dioxide is rapidly gasified in the expansion pipe, the volume of the supercritical carbon dioxide is expanded by 600-700 times, and the peak pressure of more than 200MPa is generated, thereby achieving the purpose of crushing rock mass.
The core component of the carbon dioxide expansion blasting device is an exciting tube, and the exciting tube is mainly composed of easily-exploded dangerous chemicals, such substances flow into the market after production, and cannot be well supervised and supervised if the tracking identification management is not good, while the tracking identification management is not good in the existing carbon dioxide expansion blasting device. Meanwhile, the existing excitation tube may be interfered by the outside, resulting in error excitation and blasting accidents. For example, when the excitation tube is combined with the expansion tube, during the on-site filling of supercritical carbon dioxide (liquid carbon dioxide), interference currents, such as static electricity or other stray currents, may be generated; the interference current can excite the exciting tube by mistake, so that the chemical reaction in the exciting tube releases heat, carbon dioxide in the expansion tube is vaporized, and the explosion accident is caused.
Disclosure of Invention
The utility model aims to overcome the problem of the prior art that the exciting tube is mistakenly excited by the external interference current, and provides an electronic control carbon dioxide expansion blasting exciting tube and a blasting device, so that the carbon dioxide expansion blasting exciting tube and the blasting device have the functions of tracking identification and electronic verification control; the circulation of the carbon dioxide expansion blasting exciting pipe can be monitored, and meanwhile, the carbon dioxide expansion blasting exciting pipe is prevented from being mistakenly excited under the influence of interference current to cause blasting accidents.
In order to realize the purpose of the utility model, the utility model provides a following technical scheme:
an electronic control carbon dioxide expansion blasting excitation tube comprises a shell with an opening on one side, an electric ignition head group, a control chip, a connecting leg wire, a heating powder and a first sealing plug; the heating medicine is filled in the shell; one side of the opening of the shell is sealed by a first sealing plug; the electric ignition head group and the control chip are sequentially connected in series through connecting leg wires and are arranged in the shell; the two ends of the connecting leg line penetrate out of the shell and are positioned on one side where the first sealing plug of the shell is positioned.
Preferably, the first sealing plug is made of an insulating material.
Preferably, the electronically-controlled carbon dioxide expansion blasting excitation tube further comprises a waterproof layer, and the waterproof layer is used for wrapping the control chip.
Preferably, the group of electric ignition heads comprises more than one electric ignition head.
Preferably, the shell is provided with a communication hole, and a waterproof breathable film is arranged at the communication hole.
Preferably, the control chip is made of a material resistant to low temperature and pressure.
Preferably, the electronically controlled carbon dioxide expansion blasting excitation tube further comprises a fixing tube and a lead for fixing the control chip; the wire is arranged in the fixed pipe and connected with the detection input end of the control chip, and is used for detecting the control chip.
Preferably, the control chip comprises an identification unit for storing information for tracking and identifying the excitation tube.
Preferably, the control chip further comprises a password identification unit, and the password identification unit is used for verification when being activated.
An electronic control carbon dioxide expansion blasting device comprises any one of the electronic control carbon dioxide expansion blasting exciting pipe and an expansion pipe, wherein the expansion pipe is sleeved outside the electronic control carbon dioxide expansion blasting exciting pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the excitation process of the excitation tube is controlled by the control chip, so that the excitation tube is prevented from being mistakenly excited under the influence of interference current, and the safety of the excitation tube is improved;
2. the first sealing plug and/or the shell are/is made of insulating materials, so that the influence of external stray current on the interior of the device is better prevented;
3. the heating powder can be rapidly combusted by arranging the plurality of ignition heads, so that enough heat can be released in a short time, the phase change rate of carbon dioxide can be improved, the working capacity can be increased, and the blasting effect can be improved;
4. the control chip is made by the material of low temperature resistance to compression, guarantees that control chip can be applicable to the environment of carbon dioxide inflation blasting, and control chip has identification element and password recognition unit simultaneously, can realize that the password verifies arouses the function and tracks the identification function, and in addition, arouses the pipe still including fixed pipe and the intraductal wire of fixed for detect control chip's integrity and fixed control chip.
Description of the drawings:
fig. 1 is a structural diagram of an electronically controlled carbon dioxide expansion burst excitation tube according to an exemplary embodiment 1 of the present invention.
The labels in the figure are: 1-connecting leg wire, 2-first sealing plug, 3-fixing tube, 4-waterproof layer, 5-heating medicine, 6-communicating hole, 7-second sealing plug, 8-control chip, 9-electric ignition and 10-shell
Detailed Description
The present invention will be described in further detail with reference to test examples and specific embodiments. However, it should not be understood that the scope of the above-mentioned subject matter is limited to the following embodiments, and all the technologies realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1, the embodiment provides an electronically controlled carbon dioxide expansion blasting excitation tube, which includes a housing with an opening on one side, an electric igniter group, a control chip 8, a connecting leg wire 1, a heating powder 5 and a first sealing plug 2; the heating medicine 5 is filled in the shell; one side of the opening of the shell is sealed by a first sealing plug; the electric ignition head group and the control chip 8 are sequentially connected in series through connecting leg wires and are arranged in the shell; two ends of the connecting leg wire 1 penetrate out of the shell and are positioned at one side of the first sealing plug 2 of the shell.
The first sealing plug is used for ensuring that the heating medicine is not loosened and has the effects of moisture prevention and external isolation. The heating powder is excited by the electric ignition head to generate chemical reaction and release heat; the connecting leg wire is used for connecting the controller and the electric ignition head and is connected with other exciting tubes through the connecting leg wire; the control chip 8 is used for outputting current to control the electric ignition set so as to excite the excitation tube, so that the supercritical carbon dioxide in the expansion tube is rapidly gasified, the gas volume is expanded, and larger pressure is generated, thereby achieving the purpose of crushing rock mass. When the signal received by the input port of the control chip is a signal meeting the preset condition, the input port of the control chip outputs current to control the operation of the electric ignition head set so as to complete the excitation of the excitation tube. The excitation process of the excitation tube is controlled through the control chip, the excitation tube is prevented from being influenced by interference current and mistakenly excited, and the safety of the excitation tube is improved.
The shell consists of a shell body 10 and a second sealing plug 7, and the second sealing plug 7 is the side of the shell far away from the opening; the housing 10 and the second sealing plug 7 may be integrally formed or may be formed by combining two components. The integrated manufacturing can simplify the assembly processing steps; two subassembly combinations form can fix the compaction better and generate heat the medicine, guarantee that the medicine that generates heat is not hard up.
Wherein, the first sealing plug 2 is made of insulating material. Besides being used for fixing the heating medicine in the sealing shell, the first sealing plug is provided with a connecting leg wire 1, and insulation is required to be guaranteed between the connecting leg wires, so that the first sealing plug is made of an insulating material. Preferably, the housing is also made of an insulating material, so as to better prevent external stray current from influencing the inside of the device.
The electronic control carbon dioxide expansion blasting excitation tube further comprises a waterproof layer 4, and the waterproof layer 4 is used for wrapping the control chip 8. The control chip meets water and can influence its performance, in order to guarantee that control chip's performance does not receive the influence of water, adopts waterproof layer 4 to wrap up around it, plays waterproof effect, guarantees control chip's steady operation.
Wherein, the electric ignition head group comprises more than one electric ignition head. The number of the electric ignition heads is set according to the length of the shell of the exciting tube and the requirement of explosion performance. The heating powder 5 can be rapidly combusted by arranging a plurality of ignition heads, so that enough heat can be released in a short time, the phase change rate of carbon dioxide can be improved, the acting capacity is increased, and the blasting effect is improved.
Wherein, the shell 10 is provided with a communication hole 6, and a waterproof ventilated membrane is arranged at the communication hole 6.
The shell 10 is filled with compact heating medicine 5, and a through hole 6 is reserved for communicating with an external expansion pipe. Because the exciting pipe is arranged in the expansion pipe, the pressure intensity in the expansion pipe is larger, if the pressure intensity is not consistent, the exciting pipe is easy to damage due to the difference of the internal pressure intensity and the external pressure intensity; the communication hole 6 is provided with a waterproof ventilated membrane which can ensure the communication with an external expansion pipe and the pressure intensity is consistent, but can prevent liquid carbon dioxide from entering the medicament shell 10 and ensure the normal use of the heating medicine 5.
Wherein, the waterproof and breathable film is a GORE-TEX film.
Wherein, the control chip is made of low-temperature and pressure resistant materials. The function of the control chip adopted by the electronic detonator is similar to that of the control chip of the electronic detonator, namely, the internal program of the control chip is not correspondingly improved, and the internal program is the prior art. However, when the exciting tube is used, the expansion tube needs to be sleeved outside, and the expansion tube can be filled with liquid carbon dioxide, so that the control chip is in a low-temperature high-pressure environment, and in order to ensure the performance of the control chip, the control chip made of a low-temperature-resistant and pressure-resistant material needs to be selected.
Wherein the control chip 8 comprises an identification unit for storing information to track the identification fire tube.
The control chip 8 further comprises a password identification unit, the password identification unit is used for password verification when the excitation is carried out, the password verification is passed, the control chip controls the output current and controls the electric ignition head set to operate so as to excite the excitation tube.
The electronically controlled carbon dioxide expansion blasting excitation tube also comprises a fixed tube 3 and a lead, wherein the fixed tube is used for fixing a control chip; the wire sets up and is connected with control chip's detection input in fixed pipe 3 for detect control chip. The external control system is connected with the control chip through a lead to monitor whether the internal circuit of the control chip is broken or short-circuited, so that the fault diagnosis of the control chip is carried out, the integrity of the control chip is ensured, and the exciting tube can normally run. The control system is similar to the existing detonation control system of the electronic detonator, and the invention with the application publication number of CN106017239A is specifically referred to as the high-safety electronic detonator detonation system and the detonation system in the method thereof. In the embodiment, the control chip is smaller, the exciting tube is larger, and the control chip needs to be fixed at a certain position so as not to move because the control chip is required to be prevented from being displaced under the influence of pressure to cause circuit breaking. The fixed tube 3 of this embodiment plays fixed control chip's effect, makes control chip's position not receive external environment's influence, avoids control chip's displacement to lead to the circuit to break down.
Specifically, the application method of the excitation tube applied to the blasting process is as follows:
before use, the integrity of the control chip can be detected. An external control system is connected with a control chip through a lead in the fixed tube 3 to monitor whether the internal circuit of the control chip is broken or short-circuited, so that the fault diagnosis of the control chip is carried out, the integrity of the control chip is ensured, and the excitation tube can normally run;
assembling and filling with liquid carbon dioxide. Putting the exciting pipe into the expansion pipe, forming a connecting pipe by other related devices, and filling and injecting liquid carbon dioxide into the main pipe body of the expansion pipe;
the connecting pipe obtained by assembling and filling is transported to an operation site, placed in a blast hole according to specific requirements, and a gap between the connecting pipe and the blast hole is tightly filled;
and (5) networking and exciting the exciting tube to finish the blasting operation. Connecting the connecting pins of the excitation tubes in the connecting tubes in sequence by adopting a conducting wire so as to connect a plurality of connecting tubes to form a series network; then the connected connecting pipe is connected with a special exciter through a conducting wire; the special exciter acquires a chip ID code or an exciting tube code stored in a control chip identification unit in the exciting tube, and then is connected with a control system of a management department such as public security and the like to acquire a password of the exciting tube, after the special exciter finishes charging and meets an exciting condition (current which meets the requirement that an electric ignition head of the exciting tube emits electric sparks can be output after charging is needed), the acquired password is input through the special exciter, when the password identification unit verifies that the password is correct, the exciting tube is confirmed to be excited, at the moment, the control chip of the exciting tube outputs current like an electric ignition head group, excitation is finished, and then blasting work is finished.
Similar to the exciter and the control system, the invention and the application publication No. CN106017239A disclose a high-safety electronic detonator initiation system and an initiation system in the method thereof, which are not the points of the present embodiment, and are not described herein.
Example 2
An electronically-controlled carbon dioxide expansion blasting device comprises the electronically-controlled carbon dioxide expansion blasting excitation pipe and an expansion pipe in embodiment 1, wherein the expansion pipe is sleeved outside the electronically-controlled carbon dioxide expansion blasting excitation pipe.
When the device is used, the electronically controlled carbon dioxide expansion blasting excitation tube and the expansion tube in the embodiment 1 are assembled, and the supercritical carbon dioxide in the expansion tube is rapidly gasified by exciting the excitation tube, so that the gas volume is expanded to generate larger pressure, and the purpose of crushing a rock body is achieved.
The above description is only for the purpose of illustrating the embodiments of the present invention, and not for the purpose of limiting the same. Various substitutions, modifications and improvements may be made by those skilled in the relevant art without departing from the spirit and scope of the invention.
Claims (10)
1. An electronic control carbon dioxide expansion blasting exciting tube is characterized by comprising a shell with one open side, an electric ignition head group, a control chip (8), a connecting leg wire (1), a heating powder (5) and a first sealing plug (2); the heating medicine (5) is filled in the shell; one side of the opening of the shell is sealed by a first sealing plug; the electric ignition head group and the control chip (8) are sequentially connected in series through connecting leg wires and are arranged in the shell; the two ends of the connecting leg wire (1) penetrate out of the shell and are positioned on one side where the first sealing plug (2) of the shell is positioned.
2. An electronically controlled carbon dioxide expansion burst activated tube according to claim 1, characterised in that the first sealing plug (2) is made of an insulating material.
3. The electronically controlled carbon dioxide expansion burst excitation tube according to claim 1, further comprising a waterproof layer (4), wherein the waterproof layer (4) is used for wrapping the control chip (8).
4. The electronically controlled carbon dioxide expansion burst activated tube of claim 1, wherein the set of electrical igniters comprises more than one electrical igniter.
5. The electronically controlled carbon dioxide expansion burst excitation tube according to claim 1, wherein the housing (10) is provided with a communication hole (6), and a waterproof and breathable membrane is provided at the communication hole (6).
6. The electronically controlled carbon dioxide expansion burst excitation tube of claim 5, wherein said control chip is made of a material resistant to low temperature and pressure.
7. The electronically controlled carbon dioxide expansion burst excitation tube of claim 1, further comprising a fixing tube and a wire for fixing the control chip; the wire is arranged in the fixed pipe and connected with the detection input end of the control chip, and is used for detecting the control chip.
8. An electronically controlled carbon dioxide expansion burst excitation tube according to claim 1, wherein the control chip (8) comprises an identification unit for storing information for tracking the identification excitation tube.
9. The electronically controlled carbon dioxide expansion burst excitation tube of claim 1, wherein the control chip (8) further comprises a password identification unit for verification upon excitation.
10. An electronically controlled carbon dioxide expansion blasting device, which is characterized by comprising an electronically controlled carbon dioxide expansion blasting excitation pipe and an expansion pipe, wherein the expansion pipe is sleeved outside the electronically controlled carbon dioxide expansion blasting excitation pipe, and the electronically controlled carbon dioxide expansion blasting excitation pipe is provided with a plurality of holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031098.8U CN210952543U (en) | 2019-11-21 | 2019-11-21 | Electronically controlled carbon dioxide expansion blasting excitation tube and blasting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922031098.8U CN210952543U (en) | 2019-11-21 | 2019-11-21 | Electronically controlled carbon dioxide expansion blasting excitation tube and blasting device |
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| CN210952543U true CN210952543U (en) | 2020-07-07 |
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| CN201922031098.8U Active CN210952543U (en) | 2019-11-21 | 2019-11-21 | Electronically controlled carbon dioxide expansion blasting excitation tube and blasting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998744A (en) * | 2020-08-24 | 2020-11-27 | 广西中爆电子科技有限公司 | Detonation method, device and system for gas electronic excitation tube |
| CN112050687A (en) * | 2020-09-08 | 2020-12-08 | 南华大学 | Electronic activator for intelligent carbon dioxide phase change cracking device |
| CN112945020A (en) * | 2021-01-28 | 2021-06-11 | 葛洲坝易普力(湖南)科技有限公司 | Electronically controlled carbon dioxide expansion blasting device, blasting system and blasting method |
-
2019
- 2019-11-21 CN CN201922031098.8U patent/CN210952543U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998744A (en) * | 2020-08-24 | 2020-11-27 | 广西中爆电子科技有限公司 | Detonation method, device and system for gas electronic excitation tube |
| CN111998744B (en) * | 2020-08-24 | 2022-11-01 | 广西中爆电子科技有限公司 | Detonation method, device and system for gas electronic excitation tube |
| CN112050687A (en) * | 2020-09-08 | 2020-12-08 | 南华大学 | Electronic activator for intelligent carbon dioxide phase change cracking device |
| CN112945020A (en) * | 2021-01-28 | 2021-06-11 | 葛洲坝易普力(湖南)科技有限公司 | Electronically controlled carbon dioxide expansion blasting device, blasting system and blasting method |
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