CN202994000U - Optical fiber detonator - Google Patents
Optical fiber detonator Download PDFInfo
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- CN202994000U CN202994000U CN 201220754738 CN201220754738U CN202994000U CN 202994000 U CN202994000 U CN 202994000U CN 201220754738 CN201220754738 CN 201220754738 CN 201220754738 U CN201220754738 U CN 201220754738U CN 202994000 U CN202994000 U CN 202994000U
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Abstract
The utility model discloses an optical fiber detonator, and aims to effectively enhance the anti-interference property of the optical fiber detonator to ambient working environment and provide safer guarantee for the successful detonation of the detonator. The optical fiber detonator comprises a control circuit, a photoelectric conversion circuit, an anti-interference circuit, a voltage processing circuit, an ignition control circuit and a bridge wire. By adopting the above circuits, the output of current can be stabilized, the mal-detonation caused by electric arc and spark is avoided; and meanwhile, by adopting the optical fiber to transmit signal, the transmission distance is increased.
Description
Technical field
The utility model relates to a kind of optical fiber detonator.
Background technology
The following problem of electric detonator ubiquity of China's use at present, under some special occasions, for example having under the flammable explosive gas environment, easily cause that by electric arc, electric spark the mistake of electric detonator is quick-fried, simultaneously in the situation that element, equipment surface excess Temperature can cause that also mistake is quick-fried, can not reach the requirement of essential safety.Although adopt the laser initiation method can avoid above problem, product cost is also higher.
The utility model content
The purpose of this utility model is to disclose a kind of optical fiber detonator, adopt electronic initiators to ignite in conjunction with the optical fiber detonator, add voltage treatment circuit, anti-jamming circuit, photoelectric switching circuit etc. in the optical fiber detonator, with the power supply discharge voltage in optical fiber detonator control circuit and current limit in the essential safety scope, avoided generation and the components and parts excess Temperature of electric arc, electric spark.
To achieve these goals, the utility model is taked following design:
A kind of optical fiber detonator, comprise the detonator main body, the detonator main body comprises control section, bridge silk and detonator power supply, control section comprises photoelectric switching circuit, control circuit, anti-jamming circuit, voltage treatment circuit, ignition control circuit, initiator transfers to photoelectric switching circuit by optical fiber with time break and carries out opto-electronic conversion, photoelectric switching circuit is connected with control circuit, be provided with anti-jamming circuit and voltage treatment circuit between detonator power supply and control circuit, control circuit is connected with ignition control circuit, and ignition control circuit and bridge wire bond connect.
Preferably, described photoelectric switching circuit comprises fiber splices end, photoelectric conversion unit, fiber splices end and fiber splices, and photoelectric conversion unit connects the control chip in control circuit.
Preferably, described control circuit is selected the PIC one chip microcomputer, is responsible for the on/off with initiator communication and control ignition control circuit.
Preferably, voltage stabilizing chip HT7333 is set in described voltage treatment circuit, is connected with the PIC one chip microcomputer.
Preferably, the voltage treatment circuit comprises overheating protection circuit, current foldback circuit and mu balanced circuit.
Preferably, be provided with current processing chip in described ignition control circuit, the current processing chip pin is connected with the PIC one chip microcomputer of control circuit.
Preferably, the first resistance of described anti-jamming circuit is connected with the anti-jamming circuit incoming end, be connected the first electric capacity between the first resistance and the second resistance, the first inductance connects respectively an end of the first electric capacity and the second electric capacity, the second inductance connects respectively the other end of the first electric capacity and the second electric capacity, and the two ends of the second electric capacity are the output of circuit.
The utility model has the advantages that:
(1) the utility model utilizes optical fiber transmission signal, adopts photoelectric conversion module to increase two-way communications capabilities, has longer transmission distance, the anti-interference high characteristic of circuit.Transmission means owing to adopting optical fiber has reduced extraneous interference greatly, and maximum transmission distance reaches 2-5KM, can realize the actual needs of remote explosion.
(2) core in control circuit is selected the PIC one chip microcomputer, and it has low-voltage, low-power consumption, driving force is strong, integrated level is high, and volume is little, the characteristics that reliability is high.
(3) add anti-jamming circuit effectively filtering noise interference, electrostatic interference and electromagnetic interference, reduced the current drain of digital circuit work with storage capacitor, improved the global reliability of detonator work;
In this circuit, two chromatic circle resistances and inductance are arranged symmetrical, resistance and sensibility reciprocal equate and are less, when power supply passes through, due to the current opposite in direction by two resistance and inductance, loss is very little, the mutual superposition of the magnetic flux that produces, the induction reactance of inductance is very large, interfering signal can not be passed through, and adds two electric capacity to high-frequency signal bypass effect, so the jamproof effect of this circuit is fine.This circuit adopts the passive filtering device in addition, does not produce any additional signal, and circuit is simple, and cost is low.
(4) ignition control circuit has been introduced the SC4519 chip, and the enable pin of single-chip microcomputer is the safe initiation detonator, and security is provided.During normal operation, the output of chip no current is in state to be activated, and after receiving the time break of control circuit, SC4519 chip enable pin is set, and chip enters duty, and the electric current of output 500mA is to the bridge silk, and then ignition optical fiber detonator.The enable pin function is well controlled the letter on/off and then is controlled the output of electric current, has isolated the impact of static, has further promoted the safety in utilization of optical fiber detonator.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, during the below will describe embodiment, the accompanying drawing of required use is done to introduce simply, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1, optical fiber detonator structure schematic diagram
Accompanying drawing 1 description of symbols: 1-bridge silk, 2-control section, 3-fiber splices end, 4-optical fiber
Fig. 2, optical fiber detonator hardware configuration schematic diagram
Fig. 3, voltage treatment circuit structural representation
Fig. 4, anti-jamming circuit structure schematic diagram
Fig. 5, control circuit structural representation
Fig. 6, ignition control circuit structural representation
The specific embodiment
Signal between optical fiber detonator and initiator transmits as transmission medium with optical fiber, makes the connected mode between initiator and optical fiber detonator be simplified, can be well anti-interference, improved stability and the reliability used.
A kind of optical fiber detonator, comprise the detonator main body, the detonator main body comprises control section, bridge silk and detonator power supply, control section comprises photoelectric switching circuit, control circuit, anti-jamming circuit, voltage treatment circuit, ignition control circuit, initiator transfers to photoelectric switching circuit by optical fiber with time break and carries out opto-electronic conversion, photoelectric switching circuit is connected with control circuit, be provided with anti-jamming circuit and voltage treatment circuit between detonator power supply and control circuit, control circuit is connected with ignition control circuit, and ignition control circuit and bridge wire bond connect.
Described photoelectric switching circuit comprises fiber splices end, photoelectric conversion unit, fiber splices end and fiber splices, and photoelectric conversion unit connects the control chip in control circuit.
Described control circuit is selected the PIC one chip microcomputer, is responsible for the on/off with initiator communication and control ignition control circuit.
Voltage stabilizing chip HT7333 is set in described voltage treatment circuit, is connected with the PIC one chip microcomputer.
The voltage treatment circuit comprises overheating protection circuit, current foldback circuit and mu balanced circuit.
Be provided with current processing chip in described ignition control circuit, the current processing chip pin is connected with the PIC one chip microcomputer of control circuit.
The first resistance of described anti-jamming circuit is connected with the anti-jamming circuit incoming end, be connected the first electric capacity between the first resistance and the second resistance, the first inductance connects respectively an end of the first electric capacity and the second electric capacity, the second inductance connects respectively the other end of the first electric capacity and the second electric capacity, and the two ends of the second electric capacity are the output of circuit.
At operation field, the optical fiber interface of initiator is connected with the fiber splices end of optical fiber detonator, then the optical fiber detonator is installed to assigned address, and concrete implementation step is as follows:
Step 1: the output signal of initiator converts optical signal to through photoelectric switching circuit, be transmitted through the fiber to the optical fiber detonator, by the photoelectric switching circuit receiving optical signals of optical fiber detonator, after being converted to the signal of telecommunication, transfer to control circuit, the control chip of optical fiber detonator is started working.
Step 2: initiator sending controling instruction, as time break, self-checking signal etc., in modulation circuit, control instruction is carried out the FSK modulation, data command after modulation, after photoelectric switching circuit is converted to optical signal, the command content of initiator and the special setting of optical fiber detonator thus, initiator are sent optical fiber detonator test self-checking command.
Step 3: after the optical fiber detonator is received the self-checking instruction of initiator, begin the in-house facility running status is carried out self-examination, by control chip, every data are detected, as voltage, each control chip duty etc., result after detection sends to initiator after being modulated through FSK by modulation circuit.
Step 4: initiator is received the data that modulate that the optical fiber detonator sends, and carries out communication by the FSK modulation system, confirms optical fiber detonator duty by initiator, by the indicator lamp prompting operation person on initiator.
Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (7)
1. optical fiber detonator, comprise the detonator main body, the detonator main body is connected with initiator by optical fiber, it is characterized in that, the detonator main body comprises control section, bridge silk and detonator power supply, control section comprises photoelectric switching circuit, control circuit, anti-jamming circuit, the voltage treatment circuit, ignition control circuit, initiator transfers to photoelectric switching circuit by optical fiber with time break and carries out opto-electronic conversion, photoelectric switching circuit is connected with control circuit, be provided with anti-jamming circuit and voltage treatment circuit between detonator power supply and control circuit, control circuit is connected with ignition control circuit, ignition control circuit and bridge wire bond connect.
2. optical fiber detonator according to claim 1, is characterized in that, described photoelectric switching circuit comprises fiber splices end, photoelectric conversion unit, fiber splices end and fiber splices, and photoelectric conversion unit connects the control chip in control circuit.
3. optical fiber detonator according to claim 1, is characterized in that, described control circuit is selected the PIC one chip microcomputer, is responsible for the initiator communication and controls the on/off of ignition control circuit.
4. optical fiber detonator according to claim 1, is characterized in that, voltage stabilizing chip HT7333 is set in described voltage treatment circuit, is connected with the PIC one chip microcomputer.
5. optical fiber detonator according to claim 1, it is characterized in that: the voltage treatment circuit comprises overheating protection circuit, current foldback circuit and mu balanced circuit.
6. optical fiber detonator according to claim 1, is characterized in that, be provided with current processing chip in described ignition control circuit, the current processing chip pin is connected with the PIC one chip microcomputer of control circuit.
7. optical fiber detonator according to claim 1, it is characterized in that, the first resistance of described anti-jamming circuit is connected with the anti-jamming circuit incoming end, be connected the first electric capacity between the first resistance and the second resistance, the first inductance connects respectively an end of the first electric capacity and the second electric capacity, the second inductance connects respectively the other end of the first electric capacity and the second electric capacity, and the two ends of the second electric capacity are the output of circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754738 CN202994000U (en) | 2012-12-28 | 2012-12-28 | Optical fiber detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220754738 CN202994000U (en) | 2012-12-28 | 2012-12-28 | Optical fiber detonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994000U true CN202994000U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220754738 Expired - Fee Related CN202994000U (en) | 2012-12-28 | 2012-12-28 | Optical fiber detonator |
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| Country | Link |
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| CN (1) | CN202994000U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015143502A1 (en) * | 2014-03-27 | 2015-10-01 | Orica International Pte Ltd | Apparatus, system and method for blasting |
| CN105403112A (en) * | 2015-11-05 | 2016-03-16 | 张国荣 | Detonating tube electronic delay detonator and method for detonating detonator under double control of light and shock waves |
| CN107132797A (en) * | 2017-06-01 | 2017-09-05 | 南京卓砾智测控技术有限公司 | A kind of explosive field wireless type transient state trigger control method |
-
2012
- 2012-12-28 CN CN 201220754738 patent/CN202994000U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015143502A1 (en) * | 2014-03-27 | 2015-10-01 | Orica International Pte Ltd | Apparatus, system and method for blasting |
| US10113843B2 (en) | 2014-03-27 | 2018-10-30 | Orica International Pte Ltd | Apparatus, system and method for initiation of buried explosives |
| CN105403112A (en) * | 2015-11-05 | 2016-03-16 | 张国荣 | Detonating tube electronic delay detonator and method for detonating detonator under double control of light and shock waves |
| CN105403112B (en) * | 2015-11-05 | 2017-03-08 | 张国荣 | The method that nonel electronic delay detonator and light and shock wave dual control lead this detonator quick-fried |
| CN107132797A (en) * | 2017-06-01 | 2017-09-05 | 南京卓砾智测控技术有限公司 | A kind of explosive field wireless type transient state trigger control method |
| CN107132797B (en) * | 2017-06-01 | 2019-03-15 | 南京卓砾智测控技术有限公司 | A kind of explosive field wireless type transient state trigger control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20201228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |