CN102980451B - Electronic detonator network detector and detection method - Google Patents
Electronic detonator network detector and detection method Download PDFInfo
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- CN102980451B CN102980451B CN201210556042.4A CN201210556042A CN102980451B CN 102980451 B CN102980451 B CN 102980451B CN 201210556042 A CN201210556042 A CN 201210556042A CN 102980451 B CN102980451 B CN 102980451B
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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 electric detonator detection field, especially relate to a kind of detonator network detector and detection method
.
Background technology
Electric detonator, when engineering explosion uses, after whole network connects, needs to detect network switching, short circuit and drain conditions before detonating.At present, electric detonator is detected electric detonator by initiator before detonating, line short, open circuit and a certain detonator open circuit can be detected, cannot detect whether circuit leaks electricity, if circuit exists leaky, after network initiation, may occur that part detonator causes energy shortage and misfire because of electric leakage,, with initiator, circuit is detected meanwhile, there is hidden danger.
Summary of the invention
Technical problem to be solved by this invention is: for above-mentioned Problems existing, a kind of electric detonator network checkout gear is provided, under low-voltage, small area analysis, the situations such as electric detonator network short, open circuit, electric leakage are detected, whole testing process, electric detonator has intrinsic safety, that is: the ceiling capacity that network checkout gear can export is less than electric detonator firing energy
.
the technical solution used in the present invention is as follows:
A kind of electronic detonator network detector, is characterized in that comprising
Power supply unit, for providing processor supply voltage, and export large voltage U and small voltage V, described large voltage U is steady state value simultaneously, 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, switch for the large voltage U that exports Power supply unit and small voltage V, whether input voltage value output voltage selector output valve being switched between large voltage U and small voltage V control each detonator in electric detonator network is also leaked electricity by processor detected electrons detonator network, after wherein electric detonator network is stablized by the charging of Power supply unit, being changed by large voltage U when the voltage of Power supply unit is small voltage V instantaneously, if have electric current in network, be judged as electric leakage;
Sample circuit, for when output voltage selector exports large voltage U, the current value total to electric detonator network is measured;
Aobvious control unit, the state for exporting processor shows or input parameter.
Processor, for carrying out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit or parameter compare and obtain the current state of detonator network.
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 is connected with processor, booster circuit S02 input port respectively, described booster circuit S02 first output port, the second output port meet the first reduction voltage circuit S03, the second reduction voltage circuit S04 respectively, and described first reduction voltage circuit S03, the second reduction voltage circuit S04 are connected with output voltage selector two input ports respectively.
Described output voltage selector comprises the first potential circuit S05, the second potential circuit S06, described first potential circuit comprises the 18 resistance R18, the 4th metal-oxide-semiconductor Q4, described 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described 18 resistance R18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, 4th metal-oxide-semiconductor Q4 grid is connected with processor, and the first potential circuit S05 output exports large voltage signal U.Second potential circuit S06 comprises the 20 resistance R20, the 6th metal-oxide-semiconductor Q6, described 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, described 20 resistance R20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, 6th metal-oxide-semiconductor Q6 current collection is the second potential circuit S06 output very, export small voltage signal V, 6th metal-oxide-semiconductor Q6 grid is connected with processor, and processor controls the 4th metal-oxide-semiconductor Q4 respectively and exports 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 obtains sampling voltage drop value U12 by sample circuit, and described sampling voltage drop value U12 and electric detonator network pressure drop value U11 sum are that output voltage selector exports large magnitude of voltage U, obtain sample rate current I2 by formula (1):
I2=U12/R
f（1）
Wherein R
fit is sampling resistor R1 resistance;
Step 2: obtain electric detonator network pressure drop value U11 by formula (2):
U11=U-U12 （2）
Look into current voltmeter by electric detonator network pressure drop value U11, obtain the mesh current value I1 that single-shot detonator is corresponding when electric detonator network pressure drop value U11;
Step 3: the electric detonator quantity N1 being obtained electric detonator network by formula (3),
N1=I2/I1 （3）
The electric detonator quantity N1 surveyed by electric detonator network is controlled compared with electric detonator parameter that unit sends with aobvious, judges electric detonator network state;
Judge in described step 3 that the detailed process of electric detonator network state is:
Step 31: work as N1<=N-N*2%, then there is electric detonator part off-grid in electric detonator network; N1-N*2%<N<N1+N*2%, then electric detonator network state is normal; N1>=N+N*2%, then electric detonator network electric leakage;
Step 32: when judging sampled current value I2>=5ma is then electric detonator network short; When judging sampled current value I2=0, be then the open circuit of electric detonator network, otherwise electric detonator network is normal.
Described current voltmeter makes concrete steps and comprises:
Step 1: the multiple electric detonator of electric detonator network is all in parallel, and arranging single electric detonator network input voltage is U
r, measure and obtain U
rplace an order an electric detonator electric current I
r, repeatedly test different U
r, obtain different I
r.
Step 2: repeat step 1 and obtain 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 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: carry out large voltage U and small voltage V by output voltage selector and switch the input voltage value that output voltage selector output valve switched between large voltage U and small voltage V change each detonator in electric detonator network and whether leaked electricity by processor detected electrons detonator network, after wherein electric detonator network is stablized by the charging of Power supply unit, being changed by large voltage U when the voltage of Power supply unit is small voltage V instantaneously, if have electric current in network, be judged as electric leakage;
Step 3: processor carries out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit compares and obtains the current state of detonator network, and aobvious control unit shows the electric detonator network electronic detonator current state that processor detects.
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 switching circuitry output mouth is connected with processor, booster circuit S02 input respectively, described booster circuit S02 first output port, the second output port meet the first reduction voltage circuit S03, the second reduction voltage circuit S04 respectively, and described first reduction voltage circuit S03, the second reduction voltage circuit S04 are connected with output voltage selector two input ports respectively.
Described step 3 processor carries out data processing to sampling circuit samples signal, and the amendment parameter exported with aobvious control unit compares the state detailed process obtaining detonator network current and is:
Step 1: processor obtains sampling voltage drop value U12 by sample circuit, and described sampling voltage drop value U12 and electric detonator network pressure drop value U11 sum are that output voltage selector exports large magnitude of voltage U, obtain sample rate current I2 by formula (1):
I2=U12/R
f（1）
Wherein R
fit is sampling resistor R1 resistance;
Step 2: obtain electric detonator network pressure drop value U11 by formula (2):
U11=U-U12 （2）
Look into current voltmeter by electric detonator network pressure drop value U11, obtain the mesh current value I1 that single-shot detonator is corresponding when electric detonator network pressure drop value U11;
Step 3: the electric detonator quantity N1 being calculated electric detonator network by formula (3),
N1=I2/I1 （3）
The electric detonator quantity N1 surveyed by electric detonator network is controlled compared with electric detonator Parameter N that unit sends with aobvious, judges electric detonator network state.
Judge in described step 3 that the detailed process of electric detonator network state is:
Step 31: work as N1<=N-N*2%, then there is electric detonator part off-grid in electric detonator network; N1-N*2%<N<N1+N*2%, then electric detonator network state is normal; N1>=N+N*2%, then electric detonator network electric leakage;
Step 32: when judging sampled current value I2>=5ma is then electric detonator network short; When judging sampled current value I2=0, then it is the open circuit of electric detonator network
.
in sum, owing to have employed 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, before blasting cap initiation, detonator network state-detection is carried out with this checkout gear, detonator has intrinsic safety, thus avoids the phenomenon adopting initiator detection may cause detonator false triggering.
2, before electronic detonator initiating, whether can there is the phenomenons such as short circuit, open circuit, electric leakage, subnetwork open circuit by accurate awareness network, facilitate network failure to investigate, improve blast action effect.
3, this device can detect network drain conditions, and this is the function that initiator does not have, if network exists electric leakage and detonates, electric leakage part detonator may be caused cannot to detonate because electric leakage causes energy shortage, detonator misfire.
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.
Detailed description of the invention
all features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
arbitrary feature disclosed in this description (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence 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, and when therefore the parallel connection of multichannel electronic detonator forms electric detonator network, the pressure drop at the two ends of electric detonator network, then according to the resistance value of single electric detonator, then can obtain the current value of single electric detonator.
2, described second resistance R2 provides reference voltage level, and described first resistance R1 is sampling resistor, and R1 resistance is 200 ohm-1000 ohm, and R2 resistance is 10 ohm-200 ohm.
3, large voltage U range of voltage values can get 5V, and small voltage V range of voltage values (being less than 3.3V) can get 3.3V.
4, network charging stable after, being changed by large voltage U when the voltage of Power supply unit be small voltage V instantaneously, if having electric current in network, is judged as leaking electricity.
5, electric detonator network comprises multiple electric detonator, and all electric detonators are all parallel forms, and all electric detonator power inputs are all be connected with output voltage selector output, and all electric detonator outputs are also connected in sample circuit input
.
6, N represents all electric detonator quantity under electric detonator network all electric detonators normal condition, is namely exactly the electric detonator number parameter of electric detonator number parameter or the amendment inputted by presentation controller circuit.By calculating the electric detonator network electronic detonator quantitative value under current state in electric detonator network reality after N1 represents the magnitude of voltage that processor is obtained by sampling circuit samples.
7, aobvious control unit, the state for exporting processor shows or to modify control to processor process parameter.Aobvious control unit comprises LCDs, key circuit, the parameter of the described electric detonator network electronic detonator quantity by electric detonator network electronic detonator number parameter or amendment is inputted by key circuit, the state parameter of LCDs display Current electronic detonator network electric 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, 5th triode Q5, 19 resistance R19, 13 resistance R13, 14 resistance R14, second metal-oxide-semiconductor Q2, 9th electric capacity C9, tenth electric capacity C10, described switch chip U2 first port connects input voltage signal, switch chip U2 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, 13 resistance R13 is connected across between the second diode Q2 grid and the second diode source electrode, second diode Q2 source electrode is connected with switch chip U2 first port, second diode Q2 colelctor electrode is connected with switch chip U2 the 8th port by the 14 resistance R14, switch chip the 8th port is connected with the 5th triode Q5 colelctor electrode, 5th triode Q5 source ground, 5th diode grid is connected with processor end by the 19 resistance 19, wherein switch chip U2 first port is power port, effect is for chip provides power supply, switch chip U2 second port is signal input port, effect is external key signals collecting, switch chip U2 the 3rd port is charge and discharge 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 sheet enable port, effect is whether control chip works, switch chip U2 the 7th port is charge and discharge control port, effect is after S4 presses, control chip discharge time, switch chip U2 the 8th port is shutdown port, effect controls automatic shutdown.
9, booster circuit S02 comprises boost chip U5, the 30 resistance R30, the 33 resistance R33, the 17 electric capacity C17, the 4th diode D4, described boost chip U5 first port, boost chip U5 five-port are connected with the 17 electric capacity C17 one end, and the 17 electric capacity C17 one end is as booster circuit output.The 17 electric capacity C17 other end is connected with boost chip U5 the 6th port, 30 resistance R30, 33 resistance R33 is series between booster circuit output and ground, 30 resistance R30 and the 30 single resistance R33 link and boost chip U5 six end connecting, boost chip U5 the 3rd port ground connection, 4th diode D4 anode and on-off circuit S01 output, boost chip U5 the 4th end connects, 4th diode D4 negative electrode is connected with booster circuit output, wherein boost chip first port is sheet enable port, effect is whether control chip works, boost chip second port expands flow port, this device not enabled, boost chip the 3rd port is ground, boost chip the 4th port is dynamic switch port, effect is that control circuit exports, boost chip five-port is power port, effect is for chip operation provides voltage, boost chip the 6th port is feedback port, effect is receiving feedback signals.
10, the first reduction voltage circuit S03 is realized by the first step-down chip U3, wherein the first step-down chip first port ground connection, first step-down chip second port is input port, first step-down chip the 3rd port is output port, 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 is realized by the second step-down chip U4, wherein the second step-down chip first port ground connection, second step-down chip second port is input port, second step-down chip the 3rd port is output port, 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, the second potential circuit S06, described first potential circuit comprises the 18 resistance R18, the 4th metal-oxide-semiconductor Q4, described 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described 18 resistance R18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, 4th metal-oxide-semiconductor Q4 grid is connected with processor, and the first potential circuit S05 output exports large voltage signal U.Second potential circuit S06 comprises the second formula resistance R20, the 6th metal-oxide-semiconductor Q6, described 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, described 20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, 6th metal-oxide-semiconductor Q6 current collection is the second potential circuit S06 output very, export small voltage signal V, 6th metal-oxide-semiconductor Q6 grid is connected with processor, processor controls the 4th metal-oxide-semiconductor Q4 and the 6th metal-oxide-semiconductor Q6 break-make respectively, exports large voltage U or small voltage V in order to control output voltage selector.
13, RA0, RB3, RC7 are connected with processor respectively, and RA0 is high voltage U gating switch, receives processor low level signal, conducting, otherwise close; RB3 is low-voltage V gating switch, receives processor low level, conducting.Otherwise close; RC7 is off signal, receives processor high level, automatic shutdown.
14, embodiment one: a kind of electronic detonator network detector comprises Power supply unit, for providing processor supply voltage, and export large voltage U and small voltage V simultaneously, 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, switches for the large voltage U that exports Power supply unit and small voltage V and makes output valve between large voltage U and small voltage V, switch the input voltage value controlling each detonator in electric detonator network; Sample circuit, measures for the current value total to electric detonator network; Processor, for carrying out data processing to sampling circuit samples signal, obtains the state that detonator network is current.
15, current voltmeter making concrete steps comprise::
Step 1:, the multiple electric detonator of electric detonator network is all in parallel, and arranging single electric detonator network input voltage is U
r, measure and obtain U
rplace an order an electric detonator electric current I R, repeatedly tests different U
r, obtain different I
r.
Step 2: repeat step 1 and obtain magnitude of voltage U
r, current value I
rvolometer one to one.
1, embodiment one: as shown in Figure 1, a kind of electronic detonator network detector is in comprising
Power supply unit, for providing processor supply voltage, and export large voltage U and small voltage V, described large voltage U is steady state value simultaneously, 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, switch for the large voltage U that exports Power supply unit and small voltage V, whether input voltage value output voltage selector output valve being switched between large voltage U and small voltage V control each detonator in electric detonator network is also leaked electricity by processor detected electrons detonator network, after wherein electric detonator network is stablized by the charging of Power supply unit, being changed by large voltage U when the voltage of Power supply unit is small voltage V instantaneously, if have electric current in network, be judged as electric leakage;
Sample circuit, for when output voltage selector exports large voltage U, the current value total to electric detonator network is measured;
Aobvious control unit, the state for exporting processor shows or input parameter.
Processor, for carrying out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit or parameter compare and obtain the current state of detonator network.
Embodiment two: as shown in Figure 2, on embodiment one basis, described Power supply unit comprises on-off circuit S01, booster circuit S02, first reduction voltage circuit S03, 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 first output port, second output port meets the first reduction voltage circuit S03 respectively, second reduction voltage circuit S04, described first reduction voltage circuit S03, second reduction voltage circuit S04 is connected with output voltage selector two input ports respectively.
Embodiment three: on embodiment one or two basis, described output voltage selector comprises the first potential circuit S05, second potential circuit S06, described first potential circuit comprises the 18 resistance R18, 4th metal-oxide-semiconductor Q4, described 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described 18 resistance R18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, 4th metal-oxide-semiconductor Q4 grid is connected with processor, first potential circuit S05 output exports large voltage signal U.Second potential circuit S06 comprises the 20 resistance R20, the 6th metal-oxide-semiconductor Q6, described 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, described 20 resistance R20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, 6th metal-oxide-semiconductor Q6 current collection is the second potential circuit S06 output very, export small voltage signal V, 6th metal-oxide-semiconductor Q6 grid is connected with processor, and processor controls the 4th metal-oxide-semiconductor Q4 respectively and exports large voltage U or the 6th metal-oxide-semiconductor Q6 output small voltage V.
Embodiment four: on one of embodiment one to three basis, described processor carries out data processing detailed process and is:
Step 1: processor obtains sampling voltage drop value U12 by sample circuit, and described sampling voltage drop value U12 and electric detonator network pressure drop value U11 sum are that output voltage selector exports large magnitude of voltage U, obtain sample rate current I2 by formula (1):
I2=U12/R
f（1）
Wherein R
fit is sampling resistor R1 resistance;
Step 2: obtain electric detonator network pressure drop value U11 by formula (2):
U11=U-U12 （2）
Look into current voltmeter by electric detonator network pressure drop value U11, obtain the mesh current value I1 that single-shot detonator is corresponding when electric detonator network pressure drop value U11;
Step 3: the electric detonator quantity N1 being obtained electric detonator network by formula (3),
N1=I2/I1 （3）
The electric detonator quantity N1 surveyed by electric detonator network is controlled compared with electric detonator parameter that unit sends with aobvious, judges electric detonator network state.
Embodiment five: on embodiment four basis, judges in described step 3 that the detailed process of electric detonator network state is:
Step 31: work as N1<=N-N*2%, then there is electric detonator part off-grid in electric detonator network; N1-N*2%<N<N1+N*2%, then electric detonator network state is normal; N1>=N+N*2%, then electric detonator network electric leakage;
Step 32: when judging sampled current value I2>=5ma is then electric detonator network short; When judging sampled current value I2=0, be then the open circuit of electric detonator network, otherwise electric detonator network is normal.
Embodiment six: have a try on one of one to five basis again, described current voltmeter makes concrete steps and comprises:
Step 1:, the multiple electric detonator of electric detonator network is all in parallel, and arranging single electric detonator network input voltage is U
r, measure and obtain U
rplace an order an electric detonator electric current I
r, repeatedly test different U
r, obtain different I
r.
Step 2: repeat step 1 and obtain 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 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: carry out large voltage U and small voltage V by output voltage selector and switch the input voltage value that output voltage selector output valve switched between large voltage U and small voltage V change each detonator in electric detonator network and whether leaked electricity by processor detected electrons detonator network, after wherein electric detonator network is stablized by the charging of Power supply unit, being changed by large voltage U when the voltage of Power supply unit is small voltage V instantaneously, if have electric current in network, be judged as electric leakage;
Step 3: processor carries out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit compares and obtains the current state of detonator network, and aobvious control unit shows the electric detonator network electronic detonator current state that processor detects.
Embodiment eight: on embodiment seven basis, described Power supply unit comprises on-off circuit S01, booster circuit S02, first reduction voltage circuit S03, 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 first output port, second output port meets the first reduction voltage circuit S03 respectively, second reduction voltage circuit S04, described first reduction voltage circuit S03, second reduction voltage circuit S04 is connected with output voltage selector two input ports respectively.
Embodiment nine: on embodiment seven or eight basis, described step 3 processor carries out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit compares the state detailed process obtaining detonator network current and is:
Step 1: processor obtains sampling voltage drop value U12 by sample circuit, and described sampling voltage drop value U12 and electric detonator network pressure drop value U11 sum are that output voltage selector exports large magnitude of voltage U, obtain sample rate current I2 by formula (1):
I2=U12/R
f（1）
Wherein R
fit is sampling resistor R1 resistance;
Step 2: obtain electric detonator network pressure drop value U11 by formula (2):
U11=U-U12 （2）
Look into current voltmeter by electric detonator network pressure drop value U11, obtain the mesh current value I1 that single-shot detonator is corresponding when electric detonator network pressure drop value U11;
Step 3: the electric detonator quantity N1 being calculated electric detonator network by formula (3),
N1=I2/I1 （3）
The electric detonator quantity N1 surveyed by electric detonator network is controlled compared with electric detonator Parameter N that unit sends with aobvious, judges electric detonator network state.
Embodiment ten: on one of embodiment seven to nine basis, judges in described step 3 that the detailed process of electric detonator network state is:
Step 31: work as N1<=N-N*2%, then there is electric detonator part off-grid in electric detonator network; N1-N*2%<N<N1+N*2%, then electric detonator network state is normal; N1>=N+N*2%, then electric detonator network electric leakage;
Step 32: when judging sampled current value I2>=5ma is then electric detonator network short; When judging sampled current value I2=0, then it is the open circuit of electric detonator network.
Embodiment 11: on embodiment ten basis, described output voltage selector comprises the first potential circuit S05, the second potential circuit S06, described first circuit comprises the 18 resistance R18, the 4th metal-oxide-semiconductor Q4, described 4th metal-oxide-semiconductor Q4 source electrode is connected with the first reduction voltage circuit S03 output, described 18 resistance R18 is connected across between the 4th metal-oxide-semiconductor Q4 grid and the 4th metal-oxide-semiconductor Q4 source electrode, 4th metal-oxide-semiconductor Q4 current collection is the first potential circuit S05 output very, 4th metal-oxide-semiconductor Q4 grid is connected with processor, and the first potential circuit S05 output exports large voltage signal U.Second potential circuit S06 comprises the 20 resistance R20, the 6th metal-oxide-semiconductor Q6, described 6th metal-oxide-semiconductor Q6 source electrode is connected with the second reduction voltage circuit S04 output, described 20 resistance R20 is connected across between the 6th metal-oxide-semiconductor Q6 grid and the 6th metal-oxide-semiconductor Q6 source electrode, 6th metal-oxide-semiconductor Q6 current collection is the second potential circuit S06 output very, export small voltage signal V, 6th metal-oxide-semiconductor Q6 grid is connected with processor, and processor controls the 4th metal-oxide-semiconductor Q4 respectively and exports large voltage U or the 6th metal-oxide-semiconductor Q6 output small voltage V.
Embodiment 12, in embodiment ten or hendecyl plinth, described current voltmeter makes concrete steps and comprises: step 1:, the multiple electric detonator of electric detonator network is all in parallel, and arranging single electric detonator network input voltage is U
r, measure and obtain U
rplace an order an electric detonator electric current I
r, repeatedly test different U
r, obtain different I
r.Step 2: repeat step 1 and obtain magnitude of voltage U
r, current value I
rvolometer one to one.
the present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (10)
1. an electronic detonator network detector, is characterized in that comprising:
Power supply unit, for providing processor supply voltage, and export large voltage U and small voltage V, described large voltage U is steady state value simultaneously, 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, switch for the large voltage U that exports Power supply unit and small voltage V, whether input voltage value output voltage selector output valve being switched between large voltage U and small voltage V control each detonator in electric detonator network is also leaked electricity by processor detected electrons detonator network, after wherein electric detonator network is stablized by the charging of Power supply unit, when the output voltage of output voltage selector is small voltage V by large voltage U instantaneous variation, if have electric current in network, be judged as electric leakage;
Sample circuit, for when output voltage selector exports large voltage U, the current value total to electric detonator network is measured;
Aobvious control unit, the state for exporting processor shows or input parameter;
Processor, for carrying out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit or parameter compare and obtain the current state of detonator network.
2. a kind of electronic detonator network detector according to claim 1, it is characterized in that described Power supply unit comprises on-off circuit, booster circuit, first reduction voltage circuit, second reduction voltage circuit, described on-off circuit input port connects input voltage signal, described switching circuitry output mouth respectively with processor, booster circuit input connects, described booster circuit first output port, second output port connects the first reduction voltage circuit respectively, second reduction voltage circuit, described first reduction voltage circuit, second reduction voltage circuit is connected with output voltage selector two input ports respectively.
3. a kind of electronic detonator network detector according to claim 1, it is characterized in that described output voltage selector comprises the first potential circuit, the second potential circuit, described first potential circuit comprises the 18 resistance, the 4th metal-oxide-semiconductor, described 4th metal-oxide-semiconductor source electrode is connected with the first reduction voltage circuit output, described 18 resistance is connected across between the 4th metal-oxide-semiconductor grid and the 4th metal-oxide-semiconductor source electrode, 4th metal-oxide-semiconductor current collection is the first potential circuit output very, 4th metal-oxide-semiconductor grid is connected with processor, and the first potential circuit output exports large voltage signal U; Second potential circuit comprises the 20 resistance, the 6th metal-oxide-semiconductor, described 6th metal-oxide-semiconductor source electrode is connected with the second reduction voltage circuit output, described 20 resistance is connected across between the 6th metal-oxide-semiconductor grid and the 6th metal-oxide-semiconductor source electrode, 6th metal-oxide-semiconductor current collection is the second potential circuit output very, export small voltage signal V, 6th metal-oxide-semiconductor grid is connected with processor, and processor controls the 4th metal-oxide-semiconductor respectively and exports large voltage U or the 6th metal-oxide-semiconductor output small voltage V.
4., according to a kind of electronic detonator network detector one of claims 1 to 3 Suo Shu, it is characterized in that described processor carries out data processing detailed process and is:
Step 1: processor obtains sampling voltage drop value U12 by sample circuit, and described sampling voltage drop value U12 and electric detonator network pressure drop value U11 sum are that output voltage selector exports large magnitude of voltage U, obtain sample rate current I2 by formula (1):
I2=U12/R
f（1）
Wherein R
fit is sampling resistor resistance;
Step 2: obtain electric detonator network pressure drop value U11 by formula (2):
U11=U-U12 （2）
Look into current voltmeter by electric detonator network pressure drop value U11, obtain the mesh current value I1 that single-shot detonator is corresponding when electric detonator network pressure drop value U11;
Step 3: the electric detonator quantity N1 being obtained electric detonator network by formula (3),
N1=I2/I1 （3）
The electric detonator quantity N1 surveyed by electric detonator network is controlled compared with electric detonator parameter that unit sends with aobvious, judges electric detonator network state.
5. a kind of electronic detonator network detector according to claim 4, is characterized in that judging in described step 3 that the detailed process of electric detonator network state is:
Step 31: work as N1<=N-N*2%, then there is electric detonator part off-grid in electric detonator network; N1-N*2%<N<N1+N*2%, then electric detonator network state is normal; N1>=N+N*2%, then electric detonator network electric leakage;
Step 32: when judging sampled current value I2>=5ma is then electric detonator network short; When judging sampled current value I2=0, be then the open circuit of electric detonator network, otherwise electric detonator network is normal.
6. a kind of electronic detonator network detector according to claim 5, is characterized in that described current voltmeter makes concrete steps and comprises:
Step 1: the multiple electric detonator of electric detonator network is all in parallel, and arranging single electric detonator network input voltage is U
r, measure and obtain U
rplace an order an electric detonator electric current I
r, repeatedly test different U
r, obtain different I
r;
Step 2: repeat step 1 and obtain magnitude of voltage U
r, current value I
rvolometer one to one.
7. use an electric detonator network detecting method for the electronic detonator network detector described in claim 1, it is characterized in that comprising:
Step 1: export large voltage U and small voltage V by 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: carry out large voltage U and small voltage V by output voltage selector and switch the input voltage value that output voltage selector output valve switched between large voltage U and small voltage V change each detonator in electric detonator network and whether leaked electricity by processor detected electrons detonator network, after wherein electric detonator network is stablized by the charging of Power supply unit, being changed by large voltage U when the output voltage of output voltage selector is small voltage V instantaneously, if have electric current in network, be judged as electric leakage;
Step 3: processor carries out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit compares and obtains the current state of detonator network, and aobvious control unit shows the electric detonator network electronic detonator current state that processor detects.
8. electric detonator network detecting method according to claim 7, it is characterized in that described Power supply unit comprises on-off circuit, booster circuit, first reduction voltage circuit, second reduction voltage circuit, described on-off circuit input port connects input voltage signal, described switching circuitry output mouth respectively with processor, booster circuit input connects, described booster circuit first output port, second output port connects the first reduction voltage circuit respectively, second reduction voltage circuit, described first reduction voltage circuit, second reduction voltage circuit is connected with output voltage selector two input ports respectively.
9. electric detonator network detecting method according to claim 7, it is characterized in that described step 3 processor carries out data processing to sampling circuit samples signal, the amendment parameter exported with aobvious control unit compares the state detailed process obtaining detonator network current and is:
Step 1: processor obtains sampling voltage drop value U12 by sample circuit, and described sampling voltage drop value U12 and electric detonator network pressure drop value U11 sum are that output voltage selector exports large magnitude of voltage U, obtain sample rate current I2 by formula (1):
I2=U12/R
f（1）
Wherein R
fit is sampling resistor resistance;
Step 2: obtain electric detonator network pressure drop value U11 by formula (2):
U11=U-U12 （2）
Look into current voltmeter by electric detonator network pressure drop value U11, obtain the mesh current value I1 that single-shot detonator is corresponding when electric detonator network pressure drop value U11;
Step 3: the electric detonator quantity N1 being calculated electric detonator network by formula (3),
N1=I2/I1 （3）
The electric detonator quantity N1 surveyed by electric detonator network is controlled compared with electric detonator Parameter N that unit sends with aobvious, judges electric detonator network state.
10. electric detonator network detecting method according to claim 9, is characterized in that judging in described step 3 that the detailed process of electric detonator network state is:
Step 31: work as N1<=N-N*2%, then there is electric detonator part off-grid in electric detonator network; N1-N*2%<N<N1+N*2%, then electric detonator network state is normal; N1>=N+N*2%, then electric detonator network electric leakage;
Step 32: when judging sampled current value I2>=5ma is then electric detonator network short; When judging sampled current value I2=0, then it is the open circuit of electric detonator network.
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| CN105526833B (en) * | 2015-07-17 | 2017-09-12 | 贵州全安密灵科技有限公司 | A kind of storage capacitor fast charge method of electric detonator |
| CN105277789B (en) * | 2015-10-23 | 2018-08-03 | 徐州江煤科技有限公司 | Mining resistance of electric detonator tester |
| CN106679517A (en) * | 2017-01-04 | 2017-05-17 | 北京煋邦数码科技有限公司 | Method for receiving electronic detonator control chip signals and detecting current of electronic detonator |
| CN111220037B (en) * | 2019-09-10 | 2022-09-09 | 贵州全安密灵科技有限公司 | Method and circuit for preventing electronic detonator initiator from accidentally initiating electric detonator |
| CN111238321B (en) * | 2020-02-07 | 2022-02-18 | 杭州晋旗电子科技有限公司 | Method and system for measuring electric leakage of electronic detonator network on line |
| CN114111477B (en) * | 2021-12-10 | 2023-06-27 | 上海兴软信息技术有限公司 | Electronic detonator capacitance high-voltage leakage current testing equipment, method and system |
| CN114923379B (en) * | 2022-03-25 | 2023-10-27 | 上海芯飏科技有限公司 | Self-adaptive processing method for leakage current of electronic detonator priming network |
| CN114895107A (en) * | 2022-04-13 | 2022-08-12 | 无锡盛景微电子股份有限公司 | Resistance detection system and method for electronic detonator |
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| US7107908B2 (en) * | 2003-07-15 | 2006-09-19 | Special Devices, Inc. | Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator |
| CN200962125Y (en) * | 2006-09-01 | 2007-10-17 | 煤炭科学研究总院爆破技术研究所 | Explosion network detector |
| CN201600429U (en) * | 2010-02-03 | 2010-10-06 | 北京北方邦杰科技发展有限公司 | Electric leakage detector for electronic detonator network |
| CN202133339U (en) * | 2011-03-31 | 2012-02-01 | 四川久安芯电子科技有限公司 | Device for acquiring ID information of electronic detonator and controlling detonation |
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Address after: No. g1-208, China Sensor Network International Innovation Park, No. 200, Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Shengjing Microelectronics Co., Ltd Address before: 214000 Chuangxing incubator, 2nd floor, building F11, 200 Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province Patentee before: WUXI SHENGJING ELECTRONIC TECHNOLOGY Co.,Ltd. |
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