CN102749496A - Multi-functional digital electronic detonator current detection device - Google Patents
Multi-functional digital electronic detonator current detection device Download PDFInfo
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- CN102749496A CN102749496A CN2012102373248A CN201210237324A CN102749496A CN 102749496 A CN102749496 A CN 102749496A CN 2012102373248 A CN2012102373248 A CN 2012102373248A CN 201210237324 A CN201210237324 A CN 201210237324A CN 102749496 A CN102749496 A CN 102749496A
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Abstract
The invention provides a multi-functional digital electronic detonator current detection device, which consists of a current input, a detection module, a conversion module, a protection switch, a power module, a master control module, an interface part, a display module and a communication module. According to the device, a current detection function for a digital electronic detonator can be realized and mainly consists of three stages and four states, wherein the three stages are a power-on initial stage, a stable working stage and a charging stage and the four states are a short-circuit state, a turn-off state, a current leakage state and a normal state. Automatic gear shifting can be realized to detect current within the range of 0.1 mA to 5 A, and the measuring accuracy is 0.1 percent; power-on state current can be detected; short-circuit or turn-off state current can be detected and a loop can be automatically cut off during short circuiting; leakage current of the circuit can be detected; and detection state and current value can be output.
Description
Technical field
The present invention relates to the priming system application, particularly a kind of multifunctional digital code electric detonator current sensing means.
Background technology
In digital electric detonator primer detonator networking, need to adopt lead to carry out the transmission of electric energy and the transmission of signal.Because digital electric detonator can detonate under rugged surroundings such as humidity; May make states such as digital electric detonator short circuit occurs, opens circuit, electric leakage; These uncertainties may cause the electric current increase on the signal wire etc.; Cause to carry out proper communication between initiation control equipment and the detonator of digital electric detonator, can't detonate, perhaps possibly miss-fire because detonating energy shortage.
The existing current sensing means that is used for the digital electric detonator networking; Also seldom, what have can only detect the electric leakage state, perhaps can only detect short circuit or off state; And enable to detect when above-mentioned several kinds of situation occurring, the measure timely and effectively of can not implementing is repaired.
Adopt above-mentioned detection device to detect, need read the counting of current detecting instrument, and according to counting failure judgement reason.On the one hand, this use is comparatively complicated, thereby causes the possibility snare of testing result mistake by maloperation.On the other hand, this use requires operating personnel must pass through special training, possesses certain professional knowledge.Because higher to operating personnel, so being widely used of this device also is restricted.In addition, owing to the deterministic process of the reason of whether leaking electricity, leak electricity all relies on operating personnel, therefore, testing result too much depends on operating personnel's individual quality, causes the possibility of erroneous judgement bigger.
Summary of the invention
The present invention provides a kind of multifunctional digital code electric detonator current sensing means, can carry out current detecting by the logarithmic code electric detonator.Mainly form by three stages and four condition; Three stages were the starting stage that powers on, stationary operational phase, charging stage; Four condition is short-circuit condition, off state, leakage current state, normal condition.Can fluid drive detect electric current, sensing range is the electric current of 0.1mA to 5A, and measuring accuracy is 0.1%; Can detect the power-up state electric current; Can detect short circuit or short-circuit condition electric current, and when short circuit automatic cut-off loop; Can the testing circuit leakage current; Can export detected state and current value.
Wherein, (1) fluid drive detects electric current, adopts the relay automatic switchover mode, and the above electric current of 200mA is to current state.(2) detect the power-up state electric current, normal power-up state electric current is sharply to rise after a period of time, tends to be steady, and distinguish with other non-steady states.(3) detecting short-circuit condition, will distinguish with power-up state during detection, is short-circuit condition if detect, and prevents that electric current is excessive, cuts off the electricity supply holding circuit.(4) testing circuit leakage current detects when current value is big under the normal condition, possibly be to produce the electric leakage situation, in time makes judgement, and carries out from the power-off protection circuit, and form daily record, and the notifying operation personnel carry out measure timely and effectively simultaneously.(5) output detected state and current value supply the main frame reference, can note whole normal or abnomal condition like this, in order to comparing later on or improving.
Beneficial effect of the present invention comprise following some:
1. realized the current detecting of digital electric detonator;
2. realized that fluid drive detects electric current, accuracy of detection is high, and scope is wide, reduces power consumption;
3. can detect short-circuit condition, distinguish with power-up state, and when short circuit cut-off loop initiatively, protected;
4. realized the detection leakage current, and operator notified, detect the loop, carry out measure timely and effectively;
5. can export detected state and current value, supply operating personnel's reference;
6. the scope of logarithmic code electric detonator current detecting is wide, and circuit is simple, and function is complete.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is the structural relation synoptic diagram of multifunctional digital code electric detonator current sensing means of the present invention;
Fig. 2 is the workflow diagram of multifunctional digital code electric detonator current sensing means of the present invention.
Embodiment
Like the structural relation signal of Fig. 1 for multifunctional digital code electric detonator current sensing means of the present invention; The present invention provides a kind of multifunctional digital code electric detonator current sensing means, is made up of electric current input, detection module, modular converter, protection switch, current module, main control module, interface section, display module, communication module.
The work control flow: current detection module detects three stages and four condition in initialization---master control provides load detonator quantity---, under short-circuit conditions, initiatively cuts off bus loop, and according to handshake mechanism, feedback data.
Short circuit, leakage current, basis for estimation opens circuit:
Short circuit:,, cut off bus loop immediately, and report short-circuit condition if perhaps the current break above threshold value 200mA is arranged in the work charging stage if find that in the stage that powers on the electric current above threshold value 500mA is arranged.
Leakage current: in stationary operational phase, surpass 20% of threshold current, then be judged as leakage current generating if find working current;
Open circuit: in stationary operational phase, if find working current less than 50% of threshold current, then judging has the generation of opening circuit;
Like the structural relation synoptic diagram of Fig. 2 for multifunctional digital code electric detonator current sensing means of the present invention, at first main control chip port initialization after the initialization, communicates initialization; The modular converter initialization, module is carried out self check, the storage data; Read current value, wait for being provided with and instruction, after instruction is handled; Enter into fluid drive, multifunctional digital code electric detonator current sensing means of the present invention has five kinds of mode of operations, little current-mode, short-circuit mode, the pattern that opens circuit, leakage current mode and big current-mode; (1) after entering into the little current-mode of entering, output current value continues to wait for instruction; (2) after getting into big current-mode, current value continues to wait for instruction; (3) enter into short-circuit mode after, automatic cut-off loop, output this moment, state continued to wait for instruction; (4) enter into the pattern that opens circuit after, output this moment, state continued to wait for instruction; (5) enter into leakage current mode after, output this moment, state continued to wait for instruction.
Wherein, (1) fluid drive detects electric current, adopts the relay automatic switchover mode, and the above electric current of 200mA is to current state.(2) detect the power-up state electric current, normal power-up state electric current is sharply to rise after a period of time, tends to be steady, and distinguish with other non-steady states.(3) detecting short-circuit condition, will distinguish with power-up state during detection, is short-circuit condition if detect, and prevents that electric current is excessive, cuts off the electricity supply holding circuit.(4) testing circuit leakage current detects when current value is big under the normal condition, possibly be to produce the electric leakage situation, in time makes judgement, and carries out from the power-off protection circuit, and form daily record, and the notifying operation personnel carry out measure timely and effectively simultaneously.(5) output detected state and current value supply the main frame reference, can note whole normal or abnomal condition like this, in order to comparing later on or improving.
The present invention has realized the current detecting of digital electric detonator; Fluid drive detects electric current, and accuracy of detection is high, and scope is wide, reduces power consumption; Can detect short-circuit condition, distinguish with power-up state, and when short circuit cut-off loop initiatively, protected; Realized the detection leakage current, and operator notified, note data, authentic data is provided during for experiment later on; Can export detected state and current value, supply operating personnel's reference; The scope of logarithmic code electric detonator current detecting is wide, and circuit is simple, and function is complete.
What should explain at last is: above embodiment is only in order to technical scheme of the present invention to be described but not limit it; Although the present invention has been carried out detailed explanation with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, also can not make amended technical scheme break away from the spirit and the scope of technical scheme of the present invention and these are revised or be equal to replacement.
Claims (6)
1. multifunctional digital code electric detonator current sensing means, this device can carry out current detecting by the logarithmic code electric detonator;
Mainly form by three stages and four condition; Three stages were the starting stage that powers on, stationary operational phase, charging stage; Four condition is short-circuit condition, off state, leakage current state, normal condition;
Can fluid drive detect electric current, sensing range is the electric current of 0.1mA to 5A, and measuring accuracy is 0.1%; Can detect the power-up state electric current; Can detect short circuit or short-circuit condition electric current, and when short circuit automatic cut-off loop; Can the testing circuit leakage current; Can export detected state and current value;
It is characterized in that: electric current can fluid drive be detected in (1); Can detect big electric current and other electric current of 0.1mA level of 5A; Precision is 0.1% when measuring electric current, (2) can detect the power-up state electric current, short circuit or short-circuit condition electric current can be detected in (3); During short circuit initiatively cut-off loop, (4) but testing circuit leakage current, (5) exportable detected state and current value supply the main frame reference;
Be summarized as: three stages, four condition; Three stages: the starting stage that powers on, stationary operational phase, charging stage; Four condition: short-circuit condition, off state, leakage current state, normal condition;
Wherein, (1) fluid drive detects electric current, adopts the relay automatic switchover mode, and the above electric current of 200mA is to current state; (2) detect the power-up state electric current, normal power-up state electric current is sharply to rise after a period of time, tends to be steady, and distinguish with other non-steady states; (3) detecting short-circuit condition, will distinguish with power-up state during detection, is short-circuit condition if detect, and prevents that electric current is excessive, cuts off the electricity supply holding circuit; (4) testing circuit leakage current detects when current value is big under the normal condition, possibly be to produce the electric leakage situation, in time makes judgement, and carries out from the power-off protection circuit, and form daily record, and the notifying operation personnel carry out measure timely and effectively simultaneously; (5) output detected state and current value supply the main frame reference, can note whole normal or abnomal condition like this, in order to comparing later on or improving.
2. multifunctional digital code electric detonator current sensing means according to claim 1 is characterized in that:
Fluid drive detects electric current, adopts the relay automatic switchover mode, and the above electric current of 200mA is to current state.
3. multifunctional digital code electric detonator current sensing means according to claim 1 is characterized in that:
Detect the power-up state electric current, normal power-up state electric current is sharply to rise after a period of time, tends to be steady, and distinguish with other non-steady states.
4. multifunctional digital code electric detonator current sensing means according to claim 1 is characterized in that:
Detecting short-circuit condition, will distinguish with power-up state during detection, is short-circuit condition if detect, and prevents that electric current is excessive, cuts off the electricity supply holding circuit.
5. multifunctional digital code electric detonator current sensing means according to claim 1 is characterized in that:
The testing circuit leakage current detects when current value is big under the normal condition, possibly be to produce the electric leakage situation, in time makes judgement, and carries out from the power-off protection circuit, and form daily record, and the notifying operation personnel carry out measure timely and effectively simultaneously.
6. multifunctional digital code electric detonator current sensing means according to claim 1 is characterized in that:
Output detected state and current value supply the main frame reference, can note whole normal or abnomal condition like this, in order to comparing later on or improving.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102373248A CN102749496A (en) | 2012-07-11 | 2012-07-11 | Multi-functional digital electronic detonator current detection device |
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| CN2012102373248A CN102749496A (en) | 2012-07-11 | 2012-07-11 | Multi-functional digital electronic detonator current detection device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980451A (en) * | 2012-12-20 | 2013-03-20 | 四川久安芯电子科技有限公司 | Electronic detonator network detector and detection method |
| CN104808037A (en) * | 2015-04-01 | 2015-07-29 | 华南理工大学 | Photovoltaic inverter leakage current detecting device and method |
| CN104849542A (en) * | 2015-06-12 | 2015-08-19 | 武汉精测电子技术股份有限公司 | Current detection system and gear shift method therefor |
| CN106597062A (en) * | 2016-12-30 | 2017-04-26 | 上海华岭集成电路技术股份有限公司 | Current testing system and method of integrated circuit device in power supply power-on process |
| CN107741546A (en) * | 2017-10-31 | 2018-02-27 | 深圳市路畅科技股份有限公司 | Host test system, method, apparatus and readable storage medium storing program for executing based on ACC |
| CN109444607A (en) * | 2018-12-17 | 2019-03-08 | 江南机电设计研究所 | A kind of fire-working article test equipment and its test method |
| CN111220037A (en) * | 2019-09-10 | 2020-06-02 | 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 |
| CN113175854A (en) * | 2021-04-12 | 2021-07-27 | 贵州全安密灵科技有限公司 | Method and system for detecting communication abnormity of electronic detonator control module and equipment |
| CN114923379A (en) * | 2022-03-25 | 2022-08-19 | 上海芯飏科技有限公司 | Self-adaptive processing method and system for leakage current of electronic detonator priming network |
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Patent Citations (5)
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| GB1492444A (en) * | 1976-05-03 | 1977-11-16 | Electricity Council | Detection of leakage current |
| CN101430348A (en) * | 2007-11-08 | 2009-05-13 | 英业达股份有限公司 | State detection apparatus and state detection method |
| CN201247298Y (en) * | 2008-08-18 | 2009-05-27 | 天津市电力公司 | Automatic recognizing instrument for relay protection differential vector |
| JP2010091581A (en) * | 2009-12-18 | 2010-04-22 | Yukifumi Nakamura | Device for measuring leakage current state of low-voltage electrical facility |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980451A (en) * | 2012-12-20 | 2013-03-20 | 四川久安芯电子科技有限公司 | Electronic detonator network detector and detection method |
| CN104808037A (en) * | 2015-04-01 | 2015-07-29 | 华南理工大学 | Photovoltaic inverter leakage current detecting device and method |
| CN104849542A (en) * | 2015-06-12 | 2015-08-19 | 武汉精测电子技术股份有限公司 | Current detection system and gear shift method therefor |
| CN106597062A (en) * | 2016-12-30 | 2017-04-26 | 上海华岭集成电路技术股份有限公司 | Current testing system and method of integrated circuit device in power supply power-on process |
| CN107741546A (en) * | 2017-10-31 | 2018-02-27 | 深圳市路畅科技股份有限公司 | Host test system, method, apparatus and readable storage medium storing program for executing based on ACC |
| CN109444607A (en) * | 2018-12-17 | 2019-03-08 | 江南机电设计研究所 | A kind of fire-working article test equipment and its test method |
| CN111220037A (en) * | 2019-09-10 | 2020-06-02 | 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 |
| CN113175854A (en) * | 2021-04-12 | 2021-07-27 | 贵州全安密灵科技有限公司 | Method and system for detecting communication abnormity of electronic detonator control module and equipment |
| CN114923379A (en) * | 2022-03-25 | 2022-08-19 | 上海芯飏科技有限公司 | Self-adaptive processing method and system for leakage current of electronic detonator priming network |
| 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 |
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Application publication date: 20121024 |