CN102980451A - Electronic detonator network detector and detection method - Google Patents
Electronic detonator network detector and detection method Download PDFInfo
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- CN102980451A CN102980451A CN2012105560424A CN201210556042A CN102980451A CN 102980451 A CN102980451 A CN 102980451A CN 2012105560424 A CN2012105560424 A CN 2012105560424A CN 201210556042 A CN201210556042 A CN 201210556042A CN 102980451 A CN102980451 A CN 102980451A
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- 238000005070 sampling Methods 0.000 claims abstract description 20
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- 239000004065 semiconductor Substances 0.000 claims description 71
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Abstract
The invention relates to the field of detection of electronic detonators and particularly relates to a detonator network detector and detection method. The detonator network detector aims at solving the problems of network state detection before the blasting of electronic detonators. The electronic detonator network detector can detect short circuit, circuit breakage, creepage and other situations of an electronic detonator network with low voltage and low current, and the electronic detonators are intrinsically safe during the whole detection process. According to the electronic detonator network detector and detection method, the state detection of the electronic detonators of the electronic detonator network can be completed by a power supply unit, an output voltage selector, a sampling circuit, a display control unit, a processor and the like which are matched for treatment. The electronic detonator network detector and detection method disclosed by the invention are mainly applied to the field of state detection of the electronic detonators.
Description
Technical field
The present invention relates to the electric detonator detection field, especially relate to a kind of detonator network detector and detection method
.
Background technology
When electric detonator is used at engineering explosion, after whole network connects, before detonating, need network switching, short circuit and electric leakage situation are detected.At present, electric detonator is detected electric detonator by initiator before detonating, line short can be detected, open circuit and a certain detonator opens circuit, circuit can't be detected and whether leak electricity, if there is leaky in circuit, after network initiation, may occur that the part detonator causes the energy shortage misfire because of electric leakage,, with initiator, circuit is detected simultaneously, had hidden danger.
Summary of the invention
Technical problem to be solved by this invention is: for the problem of above-mentioned existence, a kind of electric detonator network checkout gear is provided, under low-voltage, little electric current to the electric detonator network short, open circuit, the situation such as electric leakage detected, whole testing process, electric detonator has intrinsic safety, that is: the ceiling capacity that the network checkout gear can be exported is less than the electric detonator firing energy
.
the technical solution used in the present invention is as follows:
A kind of electric detonator network detector, is characterized in that comprising
Large voltage U and small voltage V for the controller supply voltage is provided, and are exported in the Power supply unit simultaneously, and described large voltage U is steady state value, and described large voltage U is less than the magnitude of voltage that detonates of each electric detonator of electric detonator network;
Output voltage selector, for large voltage U and small voltage V to the output of Power supply unit, switched, make the switching between large voltage U and small voltage V of output voltage selector output valve control the electric detonator network in each detonator input voltage value and by processor detected electrons detonator network, whether leak electricity, after wherein the electric detonator network is stablized by the charging of Power supply unit, when the voltage of Power supply unit changes moment by large voltage U, be small voltage V, if electric current is arranged in network, is judged as electric leakage;
Sample circuit, for when output voltage selector is exported large voltage U, the current value total to the electric detonator network measured;
Aobvious control unit, shown or input parameter for the state to processor output.
Processor, for the sample circuit sampled signal is carried out to the data processing, compare with modification parameter or the parameter of aobvious control unit output the current state of detonator network that obtains.
Described Power supply unit comprises on-off circuit S01, booster circuit S02, the first reduction voltage circuit S03, the second reduction voltage circuit S04, described on-off circuit S01 input port connects input voltage signal, described on-off circuit S01 output port respectively with processor, booster circuit S02 input port, described booster circuit S02 the first output port, the second output port meet respectively the first reduction voltage circuit S03, the second reduction voltage circuit S04, and described the first reduction voltage circuit S03, the second reduction voltage circuit S04 are connected with two input ports of output voltage selector respectively.
Described output voltage selector comprises the first potential circuit S05, second voltage circuit S06, described the first circuit comprises the 18 resistance R 18, the 4th metal-oxide-semiconductor Q4, described the 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described the 18 resistance R 18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, the 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, the 4th metal-oxide-semiconductor Q4 grid is connected with processor, and the first potential circuit S05 output is exported large voltage signal U.Second voltage circuit S06 comprises the 20 resistance R 20, the 6th metal-oxide-semiconductor Q6, described the 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, described the 20 resistance R 20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, the 6th metal-oxide-semiconductor Q6 current collection is second voltage circuit S06 output very, output small voltage signal V, the 6th metal-oxide-semiconductor Q6 grid is connected with processor, and processor is controlled respectively the 4th metal-oxide-semiconductor Q4 and exported large voltage U or the 6th metal-oxide-semiconductor Q6 output small voltage V.
Described processor carries out data processing detailed process:
Step 1: processor is by the sample circuit voltage drop value U12 that obtains sampling, and described sampling voltage drop value U12 and electric detonator network voltage drop value U11 sum are that output voltage selector is exported large magnitude of voltage U, by formula (1), obtain sample rate current I2:
I2=U12/R
f （1）
R wherein
fit is sampling resistor R1 resistance;
Step 2: by formula (2), obtain electric detonator network voltage drop value U11:
U11=U-U12 （2）
By electric detonator network voltage drop value, U11 looks into current voltmeter, obtains single-shot detonator corresponding mesh current value I1 when electric detonator network voltage drop value U11;
Step 3: obtain the electric detonator quantity N1 of electric detonator network by formula (3),
N1=I2/I1 （3）
Electric detonator quantity N1 by the actual measurement of electric detonator network compares with the electric detonator parameter that aobvious control unit sends, judgement electric detonator network state;
In described step 3, the detailed process of judgement electric detonator network state is:
Step 31: as N1<=N-N*2%, there is electric detonator part off-grid in the electric detonator network; N1-N*2%<N<N1+N*2%, the electric detonator network state is normal; N1 >=N+N*2%, electric detonator network electric leakage;
Step 32: as judgement sample rate current value I2 >=5ma, be the electric detonator network short; As judgement sample rate current value I2=0, for the electric detonator network opens circuit, otherwise the electric detonator network is normal.
Described current voltmeter is made concrete steps and is comprised:
Step 1: a plurality of electric detonators of electric detonator network are all in parallel, and it is U that single electric detonator network input terminal voltage is set
r, measure U
ran electric detonator electric current I places an order
r, repeatedly test different U
r, obtain different I
r.
Step 2: repeating step 1 obtains magnitude of voltage U
r, current value I
rvolometer one to one.
A kind of detonator network detector detection method comprises:
Step 1: export large voltage U and small voltage V by the Power supply unit, described large voltage U is less than the magnitude of voltage that detonates of each electric detonator of electric detonator network;
Step 2: by output voltage selector carry out large voltage U and small voltage V switching make the switching between large voltage U and small voltage V of output voltage selector output valve change the electric detonator network in each detonator input voltage value and by processor detected electrons detonator network, whether leak electricity, after wherein the electric detonator network is stablized by the charging of Power supply unit, when the voltage of Power supply unit changes moment by large voltage U, be small voltage V, if electric current is arranged in network, is judged as electric leakage;
Step 3: processor carries out the data processing to the sample circuit sampled signal, with the modification parameter of aobvious control unit output, relatively obtains the current state of detonator network, and the electric detonator network electronic detonator current state that aobvious control unit detects processor is shown.
Described Power supply unit comprises on-off circuit S01, booster circuit S02, the first reduction voltage circuit S03, the second reduction voltage circuit S04, described on-off circuit S01 input port connects input voltage signal, described on-off circuit S01 output port respectively with processor, booster circuit S02 input port, described booster circuit S02 the first output port, the second output port meet respectively the first reduction voltage circuit S03, the second reduction voltage circuit S04, and described the first reduction voltage circuit S03, the second reduction voltage circuit S04 are connected with two input ports of output voltage selector respectively.
Described step 3 processor carries out the data processing to the sample circuit sampled signal, relatively obtains the current state detailed process of detonator network with the aobvious modification parameter of controlling unit output to be:
Step 1: processor is by the sample circuit voltage drop value U12 that obtains sampling, and described sampling voltage drop value U12 and electric detonator network voltage drop value U11 sum are that output voltage selector is exported large magnitude of voltage U, by formula (1), obtain sample rate current I2:
I2=U12/R
f （1）
R wherein
fit is sampling resistor R1 resistance;
Step 2: by formula (2), obtain electric detonator network voltage drop value U11:
U11=U-U12 （2）
By electric detonator network voltage drop value, U11 looks into current voltmeter, obtains single-shot detonator corresponding mesh current value I1 when electric detonator network voltage drop value U11;
Step 3: calculate the electric detonator quantity N1 of electric detonator network by formula (3),
N1=I2/I1 （3）
Electric detonator quantity N1 by the actual measurement of electric detonator network compares with the electric detonator parameter N that aobvious control unit sends, judgement electric detonator network state.
In described step 3, the detailed process of judgement electric detonator network state is:
Step 31: as N1<=N-N*2%, there is electric detonator part off-grid in the electric detonator network; N1-N*2%<N<N1+N*2%, the electric detonator network state is normal; N1 >=N+N*2%, electric detonator network electric leakage;
Step 32: as judgement sample rate current value I2>=5ma, be the electric detonator network short; As judgement sample rate current value I2=0, for the electric detonator network, open circuit
.
in sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
1, the ceiling capacity that checkout gear can provide is far smaller than the minimum firing energy of detonator, carry out the detonator network state-detection before blasting cap initiation with this checkout gear, detonator has intrinsic safety, thereby has avoided adopting initiator to detect the phenomenon that may cause the detonator false triggering.
2, can be before electronic detonator initiating the phenomenons such as accurately whether awareness network exists short circuit, opens circuit, electric leakage, subnetwork are opened circuit, facilitate the network failure investigation, improve the blast action effect.
3, this device can be detected network electric leakage situation, and this is the function that initiator does not have, if there is electric leakage in network and detonates, may cause electric leakage part detonator can't detonate because electric leakage causes energy shortage, the detonator misfire.
The accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
This device circuit of Fig. 1 theory diagram;
Fig. 2 is Power supply unit and output voltage selector circuit theory diagrams.
The specific embodiment
disclosed all features in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing), unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is,, unless special narration, each feature is an example in a series of equivalences or similar characteristics.
related description of the present invention
1, the magnitude of voltage that detonates of each electric detonator is greater than 10V.All electric detonator resistance values are identical, so the multichannel electric detonator is in parallel while forming the electric detonator network, and the pressure drop at the two ends of electric detonator network, then according to the resistance value of single electric detonator, can obtain the current value of single electric detonator.
2, described the second resistance R 2 provides reference voltage level, and described the first resistance R 1 is sampling resistor, and the R1 resistance is 200 ohm-1000 ohm, and the R2 resistance is 10 ohm-200 ohm.
3, large voltage U range of voltage values can be got 5V, and small voltage V range of voltage values (being less than 3.3V) can be got 3.3V.
4, network charging stable after, changing moment when the voltage of Power supply unit by large voltage U is small voltage V, if electric current is arranged in network, is judged as electric leakage.
5, the electric detonator network comprises a plurality of electric detonators, and all electric detonators are all parallel forms, and all electric detonator power inputs are all to be connected with the output voltage selector output, and all electric detonator outputs also are connected in the sample circuit input
.
6, N means all electric detonator quantity under all electric detonator normal conditions of electric detonator network, is exactly the electric detonator quantity parameter inputted by presentation controller circuit or the electric detonator quantity parameter of modification.N1 means that processor samples after the magnitude of voltage obtained by calculating the electric detonator network electronic detonator quantitative value in electric detonator network reality under current state by sample circuit.
7, aobvious control unit, shown or to the control of modifying of processor processing parameter for the state to processor output.Aobvious control unit comprises LCDs, key circuit, the parameter of the described detonator of the electric detonator network electronic by electric detonator network electronic detonator quantity parameter or modification quantity is inputted by key circuit, LCDs shows the state parameter of current electric detonator network electronic detonator, such as: single blasting network electric detonator quantity is generally: 0-500 sends out.
8, described on-off circuit S01 comprises switch chip U2, switch S 4, the 5th triode Q5, the 19 resistance R 19, the 13 resistance R 13, the 14 resistance R 14, the second metal-oxide-semiconductor Q2, the 9th capacitor C 9, the tenth capacitor C 10, described switch chip U2 the first port connects input voltage signal, switch chip U2 the second port is by switch S 4 ground connection, switch chip U2 the 3rd port is by the 9th capacity earth, switch chip the 4th port ground connection, switch chip the 6th port is connected with the second diode Q2 grid, the 13 resistance R 13 is connected across between the second diode Q2 grid and the second diode source electrode, the second diode Q2 source electrode is connected with switch chip U2 the first port, the second diode Q2 colelctor electrode is connected with switch chip U2 the 8th port by the 14 resistance R 14, switch chip the 8th port is connected with the 5th triode Q5 colelctor electrode, the 5th triode Q5 source ground, the 5th diode grid is connected with the controller end by the 19 resistance 19, wherein switch chip U2 the first port is power port, effect is to provide power supply for chip, switch chip U2 the second port is signal input port, effect is the external key signals collecting, switch chip U2 the 3rd port is to discharge and recharge control port, effect is after S4 presses, the control chip charging interval, switch chip U2 the 4th port is ground, switch chip U2 five-port is order sheet and interruption, this device not enabled, switch chip U4 the 6th port is the sheet enable port, effect is whether control chip works, switch chip U2 the 7th port is to discharge and recharge control port, effect is after S4 presses, control chip discharge time, switch chip U2 the 8th port is the shutdown port, effect is to control automatic shutdown.
9, booster circuit S02 comprises the chip U5 that boosts, the 30 resistance R the 30, the 33 resistance R the 33, the 17 capacitor C 17, the 4th diode D4, described chip U5 the first port that boosts, the chip U5 five-port of boosting are connected with the 17 capacitor C 17 1 ends, and the 17 capacitor C 17 1 ends are as the booster circuit output.The 17 capacitor C 17 other ends are connected with chip U5 the 6th port that boosts, the 30 resistance R 30, the 33 resistance R 33 is series between booster circuit output and ground, the 30 resistance R 30 and the 30 single resistance R 33 links and the chip U5 six end connecting that boosts, chip U5 the 3rd port ground connection of boosting, the 4th diode D4 anode and on-off circuit S01 output, chip U5 the 4th end that boosts connects, the 4th diode D4 negative electrode with the booster circuit output, be connected, chip the first port that wherein boosts is the sheet enable port, effect is whether control chip works, chip the second port that boosts is to expand flow port, this device not enabled, chip the 3rd port that boosts is ground, chip the 4th port that boosts is the dynamic switch port, effect is control circuit output, the chip five-port of boosting is power port, effect is to provide voltage for chip operation, chip the 6th port that boosts is feedback port, effect is receiving feedback signals.
10, the first reduction voltage circuit S03 realizes by the first step-down chip U3, first step-down chip the first port ground connection wherein, first step-down chip the second port is input port, the first step-down chip the 3rd port is output port, the first step-down chip input is the first reduction voltage circuit input, and the first step-down chip output is the first step-down chip output.
11, the second step-down chip S04 realizes by the second step-down chip U4, second step-down chip the first port ground connection wherein, second step-down chip the second port is input port, the second step-down chip the 3rd port is output port, the second step-down chip input is the second reduction voltage circuit input, and the second step-down chip output is the second step-down chip output.
12, output voltage selector comprises the first potential circuit S05, second voltage circuit S06, described the first circuit comprises the 18 resistance R 18, the 4th metal-oxide-semiconductor Q4, described the 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described the 18 resistance R 18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, the 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, the 4th metal-oxide-semiconductor Q4 grid is connected with processor, and the first potential circuit S05 output is exported large voltage signal U.Second voltage circuit S06 comprises the second formula resistance R 20, the 6th metal-oxide-semiconductor Q6, described the 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, the described the 20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, the 6th metal-oxide-semiconductor Q6 current collection is second voltage circuit S06 output very, output small voltage signal V, the 6th metal-oxide-semiconductor Q6 grid is connected with processor, processor is controlled respectively the 4th metal-oxide-semiconductor Q4 and the 6th metal-oxide-semiconductor Q6 break-make, in order to control output voltage selector, exports large voltage U or small voltage V.
13, RA0, RB3, RC7 are connected with processor respectively, and RA0 is high voltage U gating switch, receives the processor low level signal, conducting, otherwise close; RB3 is low-voltage V gating switch, receives the processor low level, conducting.Otherwise close; RC7 is off signal, receives the processor high level, automatic shutdown.
14, embodiment mono-: a kind of electric detonator network detector comprises the Power supply unit, for the controller supply voltage is provided, and export large voltage U and small voltage V simultaneously, and described large voltage U is steady state value, described large voltage U is less than the magnitude of voltage that detonates of each electric detonator of electric detonator network; Output voltage selector, switch for the large voltage U to the output of Power supply unit and small voltage V the input voltage value that makes output valve switching between large voltage U and small voltage V control each detonator of electric detonator network; Sample circuit, measured for the current value total to the electric detonator network; Processor, for the sample circuit sampled signal is carried out to the data processing, obtain the current state of detonator network.
15, current voltmeter making concrete steps comprise::
Step 1:, a plurality of electric detonators of electric detonator network are all in parallel, it is U that single electric detonator network input terminal voltage is set
r, measure U
ran electric detonator electric current I R that places an order, test different U repeatedly
r, obtain different I
r.
Step 2: repeating step 1 obtains magnitude of voltage U
r, current value I
rvolometer one to one.
1, embodiment mono-: as shown in Figure 1, a kind of electric detonator network detector is in comprising
Large voltage U and small voltage V for the controller supply voltage is provided, and are exported in the Power supply unit simultaneously, and described large voltage U is steady state value, and described large voltage U is less than the magnitude of voltage that detonates of each electric detonator of electric detonator network;
Output voltage selector, for large voltage U and small voltage V to the output of Power supply unit, switched, make the switching between large voltage U and small voltage V of output voltage selector output valve control the electric detonator network in each detonator input voltage value and by processor detected electrons detonator network, whether leak electricity, after wherein the electric detonator network is stablized by the charging of Power supply unit, when the voltage of Power supply unit changes moment by large voltage U, be small voltage V, if electric current is arranged in network, is judged as electric leakage;
Sample circuit, for when output voltage selector is exported large voltage U, the current value total to the electric detonator network measured;
Aobvious control unit, shown or input parameter for the state to processor output.
Processor, for the sample circuit sampled signal is carried out to the data processing, compare with modification parameter or the parameter of aobvious control unit output the current state of detonator network that obtains.
Embodiment bis-: as shown in Figure 2, on embodiment mono-basis, described Power supply unit comprises on-off circuit S01, booster circuit S02, the first reduction voltage circuit S03, the second reduction voltage circuit S04, described on-off circuit S01 input port connects input voltage signal, described on-off circuit S01 output port respectively with processor, booster circuit S02 input port, described booster circuit S02 the first output port, the second output port meets respectively the first reduction voltage circuit S03, the second reduction voltage circuit S04, described the first reduction voltage circuit S03, the second reduction voltage circuit S04 is connected with two input ports of output voltage selector respectively.
Embodiment tri-: on embodiment mono-or two bases, described output voltage selector comprises the first potential circuit S05, second voltage circuit S06, described the first circuit comprises the 18 resistance R 18, the 4th metal-oxide-semiconductor Q4, described the 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described the 18 resistance R 18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, the 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, the 4th metal-oxide-semiconductor Q4 grid is connected with processor, the first potential circuit S05 output is exported large voltage signal U.Second voltage circuit S06 comprises the 20 resistance R 20, the 6th metal-oxide-semiconductor Q6, described the 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, described the 20 resistance R 20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, the 6th metal-oxide-semiconductor Q6 current collection is second voltage circuit S06 output very, output small voltage signal V, the 6th metal-oxide-semiconductor Q6 grid is connected with processor, and processor is controlled respectively the 4th metal-oxide-semiconductor Q4 and exported large voltage U or the 6th metal-oxide-semiconductor Q6 output small voltage V.
Embodiment tetra-: on one of embodiment mono-to three basis, described processor carries out data processing detailed process and is:
Step 1: processor is by the sample circuit voltage drop value U12 that obtains sampling, and described sampling voltage drop value U12 and electric detonator network voltage drop value U11 sum are that output voltage selector is exported large magnitude of voltage U, by formula (1), obtain sample rate current I2:
I2=U12/R
f （1）
R wherein
fit is sampling resistor R1 resistance;
Step 2: by formula (2), obtain electric detonator network voltage drop value U11:
U11=U-U12 （2）
By electric detonator network voltage drop value, U11 looks into current voltmeter, obtains single-shot detonator corresponding mesh current value I1 when electric detonator network voltage drop value U11;
Step 3: obtain the electric detonator quantity N1 of electric detonator network by formula (3),
N1=I2/I1 （3）
Electric detonator quantity N1 by the actual measurement of electric detonator network compares with the electric detonator parameter that aobvious control unit sends, judgement electric detonator network state.
Embodiment five: on embodiment tetra-bases, in described step 3, the detailed process of judgement electric detonator network state is:
Step 31: as N1<=N-N*2%, there is electric detonator part off-grid in the electric detonator network; N1-N*2%<N<N1+N*2%, the electric detonator network state is normal; N1 >=N+N*2%, electric detonator network electric leakage;
Step 32: as judgement sample rate current value I2 >=5ma, be the electric detonator network short; As judgement sample rate current value I2=0, for the electric detonator network opens circuit, otherwise the electric detonator network is normal.
Embodiment six: one of one to five basis of having a try again is upper, and described current voltmeter is made concrete steps and comprised:
Step 1:, a plurality of electric detonators of electric detonator network are all in parallel, it is U that single electric detonator network input terminal voltage is set
r, measure U
ran electric detonator electric current I places an order
r, repeatedly test different U
r, obtain different I
r.
Step 2: repeating step 1 obtains magnitude of voltage U
r, current value I
rvolometer one to one.
Embodiment seven: a kind of detonator network detector detection method comprises:
Step 1: export large voltage U and small voltage V by the Power supply unit, described large voltage U is less than the magnitude of voltage that detonates of each electric detonator of electric detonator network;
Step 2: by output voltage selector carry out large voltage U and small voltage V switching make the switching between large voltage U and small voltage V of output voltage selector output valve change the electric detonator network in each detonator input voltage value and by processor detected electrons detonator network, whether leak electricity, after wherein the electric detonator network is stablized by the charging of Power supply unit, when the voltage of Power supply unit changes moment by large voltage U, be small voltage V, if electric current is arranged in network, is judged as electric leakage;
Step 3: processor carries out the data processing to the sample circuit sampled signal, with the modification parameter of aobvious control unit output, relatively obtains the current state of detonator network, and the electric detonator network electronic detonator current state that aobvious control unit detects processor is shown.
Embodiment eight: on embodiment seven bases, described Power supply unit comprises on-off circuit S01, booster circuit S02, the first reduction voltage circuit S03, the second reduction voltage circuit S04, described on-off circuit S01 input port connects input voltage signal, described on-off circuit S01 output port respectively with processor, booster circuit S02 input port, described booster circuit S02 the first output port, the second output port meets respectively the first reduction voltage circuit S03, the second reduction voltage circuit S04, described the first reduction voltage circuit S03, the second reduction voltage circuit S04 is connected with two input ports of output voltage selector respectively.
Embodiment nine: on embodiment seven or eight bases, described step 3 processor carries out the data processing to the sample circuit sampled signal, relatively obtains the current state detailed process of detonator network with the aobvious modification parameter of controlling unit output to be:
Step 1: processor is by the sample circuit voltage drop value U12 that obtains sampling, and described sampling voltage drop value U12 and electric detonator network voltage drop value U11 sum are that output voltage selector is exported large magnitude of voltage U, by formula (1), obtain sample rate current I2:
I2=U12/R
f （1）
R wherein
fit is sampling resistor R1 resistance;
Step 2: by formula (2), obtain electric detonator network voltage drop value U11:
U11=U-U12 （2）
By electric detonator network voltage drop value, U11 looks into current voltmeter, obtains single-shot detonator corresponding mesh current value I1 when electric detonator network voltage drop value U11;
Step 3: calculate the electric detonator quantity N1 of electric detonator network by formula (3),
N1=I2/I1 （3）
Electric detonator quantity N1 by the actual measurement of electric detonator network compares with the electric detonator parameter N that aobvious control unit sends, judgement electric detonator network state.
Embodiment ten: on one of embodiment seven to nine basis, in described step 3, the detailed process of judgement electric detonator network state is:
Step 31: as N1<=N-N*2%, there is electric detonator part off-grid in the electric detonator network; N1-N*2%<N<N1+N*2%, the electric detonator network state is normal; N1 >=N+N*2%, electric detonator network electric leakage;
Step 32: as judgement sample rate current value I2 >=5ma, be the electric detonator network short; As judgement sample rate current value I2=0, for the electric detonator network, open circuit.
Embodiment 11: on embodiment ten bases, described output voltage selector comprises the first potential circuit S05, second voltage circuit S06, described the first circuit comprises the 18 resistance R 18, the 4th metal-oxide-semiconductor Q4, described the 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described the 18 resistance R 18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, the 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, the 4th metal-oxide-semiconductor Q4 grid is connected with processor, and the first potential circuit S05 output is exported large voltage signal U.Second voltage circuit S06 comprises the 20 resistance R 20, the 6th metal-oxide-semiconductor Q6, described the 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, described the 20 resistance R 20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, the 6th metal-oxide-semiconductor Q6 current collection is second voltage circuit S06 output very, output small voltage signal V, the 6th metal-oxide-semiconductor Q6 grid is connected with processor, and processor is controlled respectively the 4th metal-oxide-semiconductor Q4 and exported large voltage U or the 6th metal-oxide-semiconductor Q6 output small voltage V.
Embodiment 12, and on embodiment ten or hendecyl plinth, described current voltmeter is made concrete steps and comprised: step 1:, a plurality of electric detonators of electric detonator network are all in parallel, it is U that single electric detonator network input terminal voltage is set
r, measure U
ran electric detonator electric current I places an order
r, repeatedly test different U
r, obtain different I
r.Step 2: repeating step 1 obtains magnitude of voltage U
r, current value I
rvolometer one to one.
the present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination disclosed in this manual, and the arbitrary new method disclosed or step or any new combination of process.
Claims (10)
1. an electric detonator network detector is characterized in that comprising:
Large voltage U and small voltage V for the controller supply voltage is provided, and are exported in the Power supply unit simultaneously, and described large voltage U is steady state value, and described large voltage U is less than the magnitude of voltage that detonates of each electric detonator of electric detonator network;
Output voltage selector, for large voltage U and small voltage V to the output of Power supply unit, switched, make the switching between large voltage U and small voltage V of output voltage selector output valve control the electric detonator network in each detonator input voltage value and by processor detected electrons detonator network, whether leak electricity, after wherein the electric detonator network is stablized by the charging of Power supply unit, voltage when the Power supply unit is small voltage V by large voltage U instantaneous variation, if electric current is arranged in network, is judged as electric leakage;
Sample circuit, for when output voltage selector is exported large voltage U, the current value total to the electric detonator network measured;
Aobvious control unit, shown or input parameter for the state to processor output;
Processor, for the sample circuit sampled signal is carried out to the data processing, compare with modification parameter or the parameter of aobvious control unit output the current state of detonator network that obtains.
2. a kind of electric detonator network detector according to claim 1, it is characterized in that described Power supply unit comprises on-off circuit, booster circuit, the first reduction voltage circuit, the second reduction voltage circuit, described on-off circuit input port connects input voltage signal, described on-off circuit output port respectively with processor, the booster circuit input port, described booster circuit the first output port, the second output port connects respectively the first reduction voltage circuit, the second reduction voltage circuit, described the first reduction voltage circuit, the second reduction voltage circuit is connected with two input ports of output voltage selector respectively.
3. a kind of electric detonator network detector according to claim 1, it is characterized in that described output voltage selector comprises the first potential circuit, second voltage circuit, described the first circuit comprises the 18 resistance, the 4th metal-oxide-semiconductor, described the 4th metal-oxide-semiconductor source electrode is connected with the first reduction voltage circuit output, described the 18 resistance is connected across between the 4th metal-oxide-semiconductor grid and the 4th metal-oxide-semiconductor source electrode, the 4th metal-oxide-semiconductor current collection is the first potential circuit output very, the 4th metal-oxide-semiconductor grid is connected with processor, and the first potential circuit output is exported large voltage signal U; The second voltage circuit comprises the 20 resistance, the 6th metal-oxide-semiconductor, described the 6th metal-oxide-semiconductor source electrode is connected with the second reduction voltage circuit output, described the 20 resistance is connected across between the 6th metal-oxide-semiconductor grid and the 6th metal-oxide-semiconductor source electrode, the 6th metal-oxide-semiconductor current collection is the second voltage circuit output end very, output small voltage signal V, the 6th metal-oxide-semiconductor grid is connected with processor, and processor is controlled respectively the 4th metal-oxide-semiconductor and exported large voltage U or the 6th metal-oxide-semiconductor output small voltage V.
4. according to the described a kind of electric detonator network detector of one of claims 1 to 3, it is characterized in that described processor carries out data processing detailed process and is:
Step 1: processor is by the sample circuit voltage drop value U12 that obtains sampling, and described sampling voltage drop value U12 and electric detonator network voltage drop value U11 sum are that output voltage selector is exported large magnitude of voltage U, by formula (1), obtain sample rate current I2:
I2=U12/R
f （1）
R wherein
fit is the sampling resistor resistance;
Step 2: by formula (2), obtain electric detonator network voltage drop value U11:
U11=U-U12 （2）
By electric detonator network voltage drop value, U11 looks into current voltmeter, obtains single-shot detonator corresponding mesh current value I1 when electric detonator network voltage drop value U11;
Step 3: obtain the electric detonator quantity N1 of electric detonator network by formula (3),
N1=I2/I1 （3）
Electric detonator quantity N1 by the actual measurement of electric detonator network compares with the electric detonator parameter that aobvious control unit sends, judgement electric detonator network state.
5. a kind of electric detonator network detector according to claim 4 is characterized in that the detailed process of judgement electric detonator network state in described step 3 is:
Step 31: as N1<=N-N*2%, there is electric detonator part off-grid in the electric detonator network; N1-N*2%<N<N1+N*2%, the electric detonator network state is normal; N1 >=N+N*2%, electric detonator network electric leakage;
Step 32: as judgement sample rate current value I2 >=5ma, be the electric detonator network short; As judgement sample rate current value I2=0, for the electric detonator network opens circuit, otherwise the electric detonator network is normal.
6. a kind of electric detonator network detector according to claim 5 is characterized in that described current voltmeter makes concrete steps and comprise:
Step 1: a plurality of electric detonators of electric detonator network are all in parallel, and it is U that single electric detonator network input terminal voltage is set
r, measure U
ran electric detonator electric current I places an order
r, repeatedly test different U
r, obtain different I
r;
Step 2: repeating step 1 obtains magnitude of voltage U
r, current value I
rvolometer one to one.
7. a kind of detonator network detector detection method according to claim 1 is characterized in that comprising:
Step 1: export large voltage U and small voltage V by the Power supply unit, described large voltage U is less than the magnitude of voltage that detonates of each electric detonator of electric detonator network;
Step 2: by output voltage selector carry out large voltage U and small voltage V switching make the switching between large voltage U and small voltage V of output voltage selector output valve change the electric detonator network in each detonator input voltage value and by processor detected electrons detonator network, whether leak electricity, after wherein the electric detonator network is stablized by the charging of Power supply unit, when the voltage of Power supply unit changes moment by large voltage U, be small voltage V, if electric current is arranged in network, is judged as electric leakage;
Step 3: processor carries out the data processing to the sample circuit sampled signal, with the modification parameter of aobvious control unit output, relatively obtains the current state of detonator network, and the electric detonator network electronic detonator current state that aobvious control unit detects processor is shown.
8. a kind of detonator network detector detection method according to claim 7, it is characterized in that described Power supply unit comprises on-off circuit, booster circuit, the first reduction voltage circuit, the second reduction voltage circuit, described on-off circuit input port connects input voltage signal, described on-off circuit output port respectively with processor, the booster circuit input port, described booster circuit the first output port, the second output port connects respectively the first reduction voltage circuit, the second reduction voltage circuit, described the first reduction voltage circuit, the second reduction voltage circuit is connected with two input ports of output voltage selector respectively.
9. a kind of detonator network detector detection method according to claim 7, it is characterized in that described step 3 processor carries out the data processing to the sample circuit sampled signal, relatively obtain the current state detailed process of detonator network with the modification parameter of aobvious control unit output and be:
Step 1: processor is by the sample circuit voltage drop value U12 that obtains sampling, and described sampling voltage drop value U12 and electric detonator network voltage drop value U11 sum are that output voltage selector is exported large magnitude of voltage U, by formula (1), obtain sample rate current I2:
I2=U12/R
f （1）
R wherein
fit is the sampling resistor resistance;
Step 2: by formula (2), obtain electric detonator network voltage drop value U11:
U11=U-U12 （2）
By electric detonator network voltage drop value, U11 looks into current voltmeter, obtains single-shot detonator corresponding mesh current value I1 when electric detonator network voltage drop value U11;
Step 3: calculate the electric detonator quantity N1 of electric detonator network by formula (3),
N1=I2/I1 （3）
Electric detonator quantity N1 by the actual measurement of electric detonator network compares with the electric detonator parameter N that aobvious control unit sends, judgement electric detonator network state.
10. a kind of detonator network detector detection method according to claim 9 is characterized in that the detailed process of judgement electric detonator network state in described step 3 is:
Step 31: as N1<=N-N*2%, there is electric detonator part off-grid in the electric detonator network; N1-N*2%<N<N1+N*2%, the electric detonator network state is normal; N1 >=N+N*2%, electric detonator network electric leakage;
Step 32: as judgement sample rate current value I2 >=5ma, be the electric detonator network short; As judgement sample rate current value I2=0, for the electric detonator network, open circuit.
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