CN102914222B - Electric ignition head online detection and launch control system - Google Patents
Electric ignition head online detection and launch control system Download PDFInfo
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- CN102914222B CN102914222B CN201210356666.1A CN201210356666A CN102914222B CN 102914222 B CN102914222 B CN 102914222B CN 201210356666 A CN201210356666 A CN 201210356666A CN 102914222 B CN102914222 B CN 102914222B
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
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- 230000005611 electricity Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- 239000003721 gunpowder Substances 0.000 description 1
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Abstract
The invention discloses an electric ignition head online detection and launch control system which can be used to detect the resistance of an electric ignition head and a launch control circuit on line, judge whether the detection result meets the launch control condition or not, automatically cut off the launch control circuit if the detection result does not meet the launch control condition and set the ignition combination mode of multiple electric ignition heads, the time interval of the ignition time of adjacent two electric ignition heads and other parameters. The electric ignition head online detection and launch control system is provided with a protection circuit, so that the detection power supply can be cut off quickly and automatically when the detection circuit is too high. The electric ignition head online detection and launch control system is very safe and convenient to use and comprises a launch control plate, a detection plate, a computer and an interface plate wherein the computer is connected with the launch control plate and the detection plate through the interface plate and used for controlling the launch control plate and the detection plate and judging and displaying the detection data.
Description
Technical field
The present invention relates to a kind of on-line measuring device, relate in particular to a kind of for electric igniter being carried out to the system of online resistance detection and emission control.
Background technology
Electric igniter is widely used in the occasion such as firework display, engineering explosion operation, and electric igniter must flow through certain electric current and just can be detonated.
But, electric igniter in the time preserving due to factor impacts such as humidity, temperature and the resting periods of storage environment, can cause the resistance characteristic of electric igniter that larger variation occurs, even there is sending out the faults such as control aging circuit, loose contact, even if this phenomenon equally also can occur once in a while within the shelf-life, in detonation electric igniter, can cause igniting unsuccessfully, bring thus very large potential safety hazard.In the prior art, structure and the composition research of people to electric igniter is more, but lacks research and the technical scheme of online context of detection.Such as the open patent documentation that day is on 01 11st, 2006, publication number are CN2751239 discloses a kind of technical scheme of electric igniter, it adopts by copper core, bridge silk, ferrule and forms electric igniter, and the two poles of the earth show as resistance characteristic, 3 years shelf-lifves; Within open day, be and for example that patent documentation that on 06 15th, 2005, publication number are CN1627036 discloses the technical scheme that name is called a kind of fireworks efficient electric iginting head, it is made up of an one side conduction rack, one group of wire and a bridge silk, on bridge silk, be stained with gunpowder, its architectural feature is suitable for batch production.In above-mentioned disclosed technical scheme, because the electric current of electric igniter is ignited due to essence, no matter how the structure of electric igniter is improved, and all will ensure that the intact electric current of circuit is unimpeded.But in preservation process, storage environment and resting period are inevitable on the conductive characteristic impact of conductive component, circuit, for getting rid of potential safety hazard, before igniting in the time that reality is used, online detection is necessary.
Summary of the invention
Main purpose of the present invention is to provide the online detection of a kind of electric igniter and sends out a control system, and it can realize online measuring ability, and before guaranteeing that electric igniter is ignited, the resistance value of igniter head and a control circuit is in normal range (NR); After online detection, controllable ignition electric igniter.
The present invention is directed to prior art problem and mainly solved by following technical proposals, a kind of electric igniter is online to be detected and sends out control system, comprising:
Send out control plate, described control plate ignited electric igniter for detection of resistance and the control of electric ignition hair control circuit;
Check-out console, described check-out console is for the online resistance that detects electric igniter;
Computer, interface board, described computer is connected and is sent out control plate and a check-out console by interface board, for to sending out control plate and check-out console is controlled and judge and show detecting data;
Send out control power supply, described control power supply detects power supply and ignites power supply for electric igniter provides.
Wherein, send out control plate by after the measuring resistance of connecting analog electric igniter, detect the electric current in loop, thereby calculate loop all-in resistance according to the output voltage values of sending out control power supply, the measuring resistance that deducts analog electrical igniter head from the all-in resistance of loop is sending out of electric igniter and controls line resistance; The measuring resistance of analog electrical igniter head is replaced by after electric igniter, sends out control buttress and can ignite electric igniter according to computer instruction;
Check-out console adopts the little electric current of safety to detect online the resistance of electric igniter, according to the relation between voltage, electric current and resistance, calculates after the all-in resistance of loop, deducts that to send out after control line resistance be exactly electric igniter resistance in the all-in resistance of loop.
Computer judges and shows on computers the detection data of sending out control line resistance, igniter head resistance of electric igniter.Computer judges whether detect data meets a control condition, if do not meet the control condition of sending out, automatically cuts off a control circuit, to ensure safety.
As preferably, send out control plate and comprise first microprocessor, current sensor and the first multichannel commutation circuit, first microprocessor is the control end of connecting interface plate, current sensor and the first multichannel commutation circuit respectively, multichannel commutation circuit also connects the measuring resistance of electric igniter or analog electrical igniter head, and current sensor is serially connected in to be sent out between control power supply and the first multichannel commutation circuit.Adopt multichannel commutation circuit to carry out multichannel detection to improve detection efficiency and Site Detection demand, under detecting pattern, the each passage of the first multichannel commutation circuit connects the measuring resistance of an analog electrical igniter head, the passage of first microprocessor control the first multichannel commutation circuit switches, current sensor detects the electric current of each passage, by first microprocessor or computer according to electric current and the measuring resistance of sending out control supply voltage and analog electrical igniter head that applies, calculate the all-in resistance in each loop, from the all-in resistance in loop, calculate and send out control line resistance, and judgement is sent out control line resistance whether in normal range (NR), result is presented on computer screen simultaneously, in the time of needs guiding detonating controlling, (send out under control pattern), the measuring resistance of analog electrical igniter head is replaced by electric igniter.
As preferably, on a control plate, be also provided with current-limiting resistance, described current-limiting resistance is serially connected in to be sent out between control power supply and current sensor.Excessive for avoiding flowing through the electric current of transmitting circuit, in circuit, be connected in series a current-limiting resistance, to guarantee circuit safety.
As preferably, current sensor comprises the first mould/number conversion circuit and the first measuring resistance, described the first measuring resistance is serially connected between current-limiting resistance and the first multichannel commutation circuit, and two ends, output port that an input port of the first mould/number conversion circuit is connected to the first measuring resistance connect first microprocessor.Adopt measuring resistance and mould/number conversion circuit, carry out by the terminal voltage of measurement standard resistance the loop current that indirect detection is set out in control circuit, thereby calculate the resistance of the control circuit that sets out.The current detecting of this mode, the simple and reliable property of its circuit structure is high, and volume is small and exquisite.
As preferably, check-out console comprises the second microprocessor, the second mould/number conversion circuit, the second measuring resistance, constant-current source, DC/DC power supply, protection switch, holding circuit and the second multichannel commutation circuit, the second microprocessor connects respectively the output of the second mould/number conversion circuit, the control end of the second multichannel commutation circuit and holding circuit, between a control power supply and the second multichannel commutation circuit, be connected successively protection switch, DC/DC power supply, constant-current source and the second measuring resistance, an input port of the second mould/number conversion circuit connects one end of the second measuring resistance, another input port connects the other end of the second measuring resistance, holding circuit also connects constant-current source output and protection switch control end, the second multichannel commutation circuit also connects electric igniter.Wherein, DC/DC power supply will be constant current source power supply after sending out the step-down of control power supply, and the output of constant-current source is connected in the second multichannel commutation circuit through the second measuring resistance, for online each road electric igniter that detects provides current source; The second microprocessor detects respectively the voltage-to-ground of the second standard resistor at two terminals by the second mould/number conversion circuit, the second microprocessor or computer calculate after the voltage difference of the second standard resistor at two terminals according to this, calculate accurately loop current value, and with threshold value comparison, if overcurrent, inputs by holding circuit control protection switch fast shut-off DC/DC power supply; The second microprocessor or computer are by the second measuring resistance left end voltage-to-ground or right-hand member voltage-to-ground and loop current (constant-current source electric current) counter circuit all-in resistance, thereby calculate the resistance of electric igniter, and judge that this resistance whether in normal range (NR), is presented at result on computer screen.
As preferably, interface board comprises the 3rd microprocessor, and the 3rd microprocessor connects respectively computer, sends out control plate and check-out console.On interface board, use microprocessor to carry out interface management.
As preferably, interface board, check-out console and send out a control plate and be all inserted on a base plate.Being convenient for carrying, on-the-spot use.
As preferably, interface board adopts RS232 interface to connect computer.So that computer is compared with far distance controlled.
The beneficial effect that the present invention brings is, before igniting, electric igniter safely Multi-path electricity igniter head resistance is detected and sends out the detection of control line resistance online with little electric current, computer judges whether testing result meets the control condition of sending out, if do not meet the control condition of sending out, system is automatically cut off and is sent out control circuit, ensure safety, testing result shows on computers; Can the parameter such as the ignition combination of Multi-path electricity igniter head, the adjacent two-way electric igniter ignition time interval be set by computer or microprocessor; Little electric current carries out when online resistance detects being provided with holding circuit, if it is bigger than normal to detect electric current, quick automatic cut-off detects power supply, has guaranteed online detection safety; System works, in the time sending out control wireline inspection pattern, connects measuring resistance sending out on control circuit, the resistance of the control circuit that detects that often riches all the way; System works, in the time of electric igniter detecting pattern, is being sent out electricity-linkingup point duration and degree of heating on control circuit, measures the resistance of each road electric igniter; System works, in the time sending out control pattern, is being sent out electricity-linkingup point duration and degree of heating on control circuit, and computer or microprocessor are ignited each electric igniter by the control parameter of sending out of setting; It is fool proof, convenient to use.
Brief description of the drawings
Fig. 1 is a kind of circuit theory diagrams of the present invention;
Fig. 2 is a kind of structural representation of the present invention.
In figure: the 1st, send out control plate, 11 is first multichannel commutation circuits, the 12nd, current sensor, 121 is the first mould/number conversion circuit, the 13rd, first microprocessor, the 2nd, check-out console, 21 is second multichannel commutation circuits, 22 is second microprocessors, 23 is the second mould/number conversion circuit, the 24th, constant-current source, the 25th, holding circuit, the 26th, DC/DC power supply, the 3rd, interface board, 31 is the 3rd microprocessors, the 4th, computer, the 5th, base plate, the 6th, send out control power supply, K1 is power switch, K2 is protection switch, R1 is current-limiting resistance, R2 is the first measuring resistance, R3 is the second measuring resistance, R101-Rn is electric igniter (being the measuring resistance of analog electrical igniter head in the time sending out control wireline inspection pattern).
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is further described in detail.
Embodiment: as shown in Figure 1 and Figure 2, the present invention is the online detection of a kind of electric igniter and a control system.Comprise and send out control plate 1, check-out console 2, interface board 3, computer 4, base plate 5 and send out control power supply 6, send out control plate 1 and check-out console 2 connecting interface plate 3 respectively, and be together arranged on base plate 5, computer 4 is connected to interface board 3 by RS232 interface, sends out control power supply 6 and is also arranged on base plate 5.
In a control plate 1, current sensor 12 comprises the first measuring resistance R2 and the first analog to digital conversion circuit 121, the input of the first multichannel commutation circuit 11 connects the measuring resistance of electric igniter R101-Rn(or analog electrical igniter head), output connects the first measuring resistance R2, the other end of the first measuring resistance R2 connects current-limiting resistance R1, the other end of current-limiting resistance R1 is connected to the positive pole of sending out control power supply 6 by power switch, an input port line of the first mould/number conversion circuit 121 is connected to the two ends of the first measuring resistance R2, the I/O port of first microprocessor 13 connects the control end of the first multichannel commutation circuit 11, FPDP connects the first mould/number conversion circuit 121 output ports, COM1 connects the communication interface of the 3rd microprocessor 31.
In check-out console 2, the input connection electric igniter R101-Rn of the second multichannel commutation circuit 21, the b end that output connects the second measuring resistance R3, the a end of the second measuring resistance R2 connects constant-current source 24 outputs, the input of constant-current source 24 connects the output of DC/DC power supply 26, and the input of DC/DC power supply 26 is connected to the positive pole of sending out control power supply 6 by protection switch K2, power switch K1; The second microprocessor 22 connects respectively control end, the second mould/number conversion circuit 23 and the holding circuit 25 of the second multichannel commutation circuit 21, and communicates to connect the 3rd microprocessor 31, and holding circuit 25 is controlled protection switch K2 and is switched on or switched off.
Wherein constant-current source 24 is 50mA constant-current sources, and R3 gets 10 ohm, and R2 gets 1 ohm, and R1 is 2 ohm of 20W power resistors, and sending out control power supply is 60 volts of voltage stabilizing out-put supplies.
Computer 4 is connected to the 3rd microprocessor 31 by RS232 interface.
Closed electrical source switch K1 and connection system works power supply when work: system works is in the time sending out control wireline inspection pattern, input in the first multichannel commutation circuit 11 connects measuring resistance, computer 4 sends wireline inspection instruction, each passage of the first multichannel commutation circuit 11 is connected in first microprocessor 13 rotations, and the corresponding output data that read the first mould/number conversion circuit 121 send to computer 4 simultaneously, in computer 4, calculate loop current, and the output voltage of a foundation control power supply 6 calculates the loop all-in resistance of each passage, from all-in resistance, deduct a control circuit resistance in addition and be a control line resistance, whether normally this resistance carried out judgement and result is presented on display screen simultaneously, in system works during in electric igniter detecting pattern, sending out electricity-linkingup point duration and degree of heating on control circuit, computer 4 sends igniter head and detects instruction, each passage of the first multichannel commutation circuit 21 is connected in the second microprocessor 22 rotations, and the correspondence output data of corresponding two input ports that read the second mould/number conversion circuit 23 send to computer 4 simultaneously, computer is first by calculating the potential difference at the second measuring resistance R3 two ends, thereby calculate loop current and judge whether overcurrent, if overcurrent disconnects protection switch K2 by holding circuit 25, when loop current is normal, computer 4 calculates loop all-in resistance by b end (or a end) voltage-to-ground and the constant-current source galvanometer of the second measuring resistance R3, deducts igniter head resistance in addition and be electric igniter resistance from all-in resistance, system works is in the time sending out control pattern, and the input of the first multichannel commutation circuit 11 connects electric igniter, and computer 4 sends initiation command, and the second microprocessor 22 is ignited each electric igniter by the control parameter of sending out of setting.
So the present invention has following characteristics: detect online the resistance of electric igniter and send out control line resistance, and testing result is shown on computers; Computer also judges whether testing result meets a control condition, if do not meet the control condition of sending out, system is cut off a control circuit automatically; Can the parameter such as the ignition combination of Multi-path electricity igniter head, the adjacent two-way electric igniter ignition time interval be set by computer or microprocessor; Be provided with holding circuit, in the time that detection electric current is bigger than normal, quick automatic cut-off detects power supply; It is fool proof, convenient to use.
Claims (6)
1. electric igniter is online detects and sends out a control system, it is characterized in that comprising:
Send out control plate, described control plate ignited electric igniter for detection of resistance and the control of electric ignition hair control circuit;
Check-out console, described check-out console is for the online resistance that detects electric igniter;
Computer, interface board, described computer is connected and is sent out control plate and check-out console by interface board, for controlling and provide testing result to show sending out control plate and check-out console;
Send out control power supply, described control power supply detects power supply and ignites power supply for electric igniter provides;
Described control plate comprises first microprocessor, current sensor and the first multichannel commutation circuit, described first microprocessor is the control end of connecting interface plate, current sensor and the first multichannel commutation circuit respectively, described the first multichannel commutation circuit also connects the measuring resistance of electric igniter or analog electrical igniter head, and described current sensor is serially connected in to be sent out between control power supply and the first multichannel commutation circuit;
Described check-out console comprises the second microprocessor, the second mould/number conversion circuit, the second measuring resistance, constant-current source, DC/DC power supply, protection switch, holding circuit and the second multichannel commutation circuit, described the second microprocessor connects respectively the output of the second mould/number conversion circuit, the control end of the second multichannel commutation circuit and holding circuit, between a control power supply and the second multichannel commutation circuit, be connected successively protection switch, DC/DC power supply, constant-current source and the second measuring resistance, an input port of the second mould/number conversion circuit connects one end of the second measuring resistance, another input port connects the other end of the second measuring resistance, holding circuit also connects constant-current source output and protection switch control end, described the second multichannel commutation circuit also connects electric igniter.
2. a kind of electric igniter is online according to claim 1 detects and sends out control system, it is characterized in that: on described control plate, be also provided with current-limiting resistance, described current-limiting resistance is serially connected in to be sent out between control power supply and current sensor.
3. a kind of electric igniter is online according to claim 2 detects and sends out control system, it is characterized in that: described current sensor comprises the first mould/number conversion circuit and the first measuring resistance, described the first measuring resistance is serially connected between current-limiting resistance and the first multichannel commutation circuit, and two ends, output port that an input port of the first mould/number conversion circuit is connected to the first measuring resistance connect first microprocessor.
4. a kind of electric igniter is online according to claim 1 detects and sends out control system, it is characterized in that: described interface board comprises the 3rd microprocessor, and described the 3rd microprocessor connects respectively computer, sends out control plate and check-out console.
5. a kind of electric igniter is online according to claim 1 detects and sends out control system, it is characterized in that: described interface board, check-out console and a control plate are all inserted on a base plate.
6. detect and send out control system according to a kind of electric igniter described in claim 4 or 5 is online, it is characterized in that: described interface board adopts RS232 interface to connect computer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210356666.1A CN102914222B (en) | 2012-09-24 | 2012-09-24 | Electric ignition head online detection and launch control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210356666.1A CN102914222B (en) | 2012-09-24 | 2012-09-24 | Electric ignition head online detection and launch control system |
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| CN102914222A CN102914222A (en) | 2013-02-06 |
| CN102914222B true CN102914222B (en) | 2014-10-15 |
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| CN201210356666.1A Active CN102914222B (en) | 2012-09-24 | 2012-09-24 | Electric ignition head online detection and launch control system |
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| CN106989644B (en) * | 2017-05-17 | 2018-05-11 | 江南工业集团有限公司 | A kind of rainfall bullet initiator flight recovery test device |
| CN111156863B (en) * | 2020-01-06 | 2023-01-31 | 浏阳市梦想烟花制作燃放有限公司 | Control equipment for firework setting-off ignition system |
| CN116293788A (en) * | 2023-02-21 | 2023-06-23 | 北京环境特性研究所 | Infrared heat source ignition device with temperature monitoring function |
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| US5363045A (en) * | 1992-08-27 | 1994-11-08 | Martin George G | Hand-held non-contacting electric field detection tool |
| WO2001071272A2 (en) * | 2000-03-17 | 2001-09-27 | Ensign-Bickford Aerospace & Defense Company | Ordnance firing system |
| CN101666596B (en) * | 2009-09-29 | 2013-08-14 | 北京维深数码科技有限公司 | Digital electronic detonator and control method thereof |
| CN202793186U (en) * | 2012-09-24 | 2013-03-13 | 杭州航海仪器有限公司 | Electric igniter online testing and firing controlling system |
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