CN103292647B - Clock calibration method of electronic detonator control circuit and electronic initiation system - Google Patents
Clock calibration method of electronic detonator control circuit and electronic initiation system Download PDFInfo
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- CN103292647B CN103292647B CN201210041867.2A CN201210041867A CN103292647B CN 103292647 B CN103292647 B CN 103292647B CN 201210041867 A CN201210041867 A CN 201210041867A CN 103292647 B CN103292647 B CN 103292647B
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- control circuit
- electronic detonator
- detonator control
- programmable device
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Abstract
The invention discloses a clock calibration method of an electronic detonator control circuit by a programming unit and an electronic initiation system utilizing the method. The method comprises the steps as follows: the programming unit sends a clock calibration instruction to the electronic detonator control circuit; the electronic detonator control circuit waits for predetermined standard time length after the clock calibration instruction is received, and then an answer signal is returned to the programming unit; the programming unit is used for measuring the actual waiting time length of the electronic detonator control circuit from receiving the clock calibration instruction to returning the answer signal; clock calibration parameters is determined by the programming unit by the programming unit according to measured actual waiting time length and the predetermined standard time length; the clock calibration parameters are transmitted to the electronic detonator control circuit by the programming unit; and a clock in the electronic detonator control circuit is calibrated according to the clock calibration parameters. Therefore, the calibration for the clock in the electronic detonator control circuit can be achieved simply.
Description
[technical field]
The present invention relates to a kind of explosion field, particularly relate to clock correcting method and the electronics initiation system of electronic detonator control circuit.
[background technology]
Current electronics initiation system is widely used, and instead of traditional initiation system in many applications.Usually, described electronics initiation system includes electric detonator, programmable device and initiator.Described electric detonator includes electronic detonator control circuit and detonator, and described electronic detonator control circuit controls the blast of described detonator.Described programmable device can carry out various programming to described electric detonator, the functioning delay etc. of each electric detonator of such as programming.Described detonator detonates device is for controlling detonating of described electric detonator.
Described electric detonator is a kind of explosive, and its key property is that can accurate timing.Existing scheme is generally adopt crystal oscillator or semiconductor oscillistor in described electronic detonator control circuit.But the anti-shake performance of described crystal oscillator is poor, under blasting environment, easily failure of oscillation occurs, the low precision of described semiconductor oscillistor is poor.
Because be necessary to propose a kind of improved plan to overcome the problems referred to above.
[summary of the invention]
An object of the present invention is the clock correcting method providing a kind of electronic detonator control circuit, and it can complete the clock alignment of described electronic detonator control circuit after simply measuring, and operates very easy.
Two of object of the present invention is to provide a kind of electronics initiation system, and it can complete the clock alignment of electronic detonator control circuit after simply measuring.
According to object of the present invention, the invention provides a kind of method utilizing the clock of programmable device to electronic detonator control circuit to calibrate, it comprises: programmable device sends clock alignment instruction by bi-directional serial data bus to electronic detonator control circuit; Described electronic detonator control circuit waits for preassigned duration after receiving described clock alignment instruction, returns an answer signal afterwards by described bi-directional serial data bus to described programmable device; Described programmable device measures described electronic detonator control circuit from receiving described clock alignment instruction to the actual waiting time returning described answer signal; Described programmable device is according to measuring the actual waiting time and described preassigned duration determination clock correction parameters that obtain; Described clock correction parameters is sent to described electronic detonator control circuit by described bi-directional serial data bus by described programmable device; Described electronic detonator control circuit utilizes described clock correction parameters to calibrate the clock in it.
In one further embodiment, the duration first trailing edge of answer signal of returning to described electronic detonator control circuit of last rising edge of equaling the clock alignment instruction sent from programmable device of described actual waiting time.
In one further embodiment, described electronic detonator control circuit includes adjustable clock oscillation circuit, described adjustable clock oscillation circuit includes clock frequency and regulates register, and the clock frequency that described clock correction parameters is write described adjustable clock oscillation circuit by described electronic detonator control circuit regulates in register.
According to another aspect of the present invention, the invention provides a kind of electronics initiation system, it comprises programmable device and electronic detonator control circuit.Described electronic detonator control circuit comprises the adjustable clock oscillation circuit providing clock, and described adjustable clock oscillation circuit includes clock frequency and regulates register.Described programmable device sends clock alignment instruction by bi-directional serial data bus to electronic detonator control circuit, described electronic detonator control circuit waits for preassigned duration after receiving described clock alignment instruction, an answer signal is returned to described programmable device afterwards by described bi-directional serial data bus, described programmable device measures described electronic detonator control circuit from receiving described clock alignment instruction to the actual waiting time returning described answer signal, described programmable device is according to measuring the actual waiting time and described preassigned duration determination clock correction parameters that obtain, described clock correction parameters is sent to described electronic detonator control circuit by described bi-directional serial data bus by described programmable device, the clock frequency that described clock correction parameters is write described adjustable clock oscillation circuit by described electronic detonator control circuit regulates in register.
In one further embodiment, the duration first trailing edge of answer signal of returning to described electronic detonator control circuit of last rising edge of equaling the clock alignment instruction sent from programmable device of described actual waiting time.
Compared with prior art, the clock correcting method in the present invention operates simple, and calibration accuracy also can reach application demand completely.
[accompanying drawing explanation]
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.Wherein:
Fig. 1 is the electronics initiation system structure block diagram in one embodiment in the present invention;
Fig. 2 is the method schematic flow sheet in one embodiment utilizing the clock of programmable device to electronic detonator control circuit to calibrate in the present invention; With
Fig. 3 is electronic detonator control circuit in the present invention and the signal sequence schematic diagram between programmable device.
[detailed description of the invention]
Detailed description of the present invention carrys out the running of direct or indirect simulation technical solution of the present invention mainly through program, step, logical block, process or other symbolistic descriptions.For thorough understanding the present invention, in ensuing description, set forth a lot of specific detail.And when not having these specific detail, the present invention then may still can realize.Affiliated those of skill in the art use the work that these describe and statement effectively introduces them to the others skilled in the art in affiliated field herein essential.In other words, be object of the present invention of avoiding confusion, due to the method known and program easy understand, therefore they are not described in detail.
Alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
Fig. 1 is the electronics initiation system 100 structure block diagram in one embodiment in the present invention.Described electronics initiation system 100 comprises programmable device 110 and electronic detonator control circuit 120.Described programmable device 110 and described electronic detonator control circuit 120 carry out data interaction by bi-directional serial data bus 130.Described electronic detonator control circuit 120 includes adjustable clock oscillation circuit 121, and this clock oscillation circuit 121 provides clock for other circuit of described electronic detonator control circuit 120.
Certainly, described electronics initiation system 100 can also comprise other equipment, such as initiator etc., but this part and core of the present invention have nothing to do, then this is not introduced.
In one embodiment, described electronic detonator control circuit 120 can be chip piece.Before not calibrating, the ratio of precision of the clock that described clock oscillation circuit 121 provides is poor.Therefore, before the use, need to carry out clock alignment to described clock oscillation circuit 121.
Fig. 2 is clock correcting method 200 schematic flow sheet in one embodiment in the present invention, the clock oscillation circuit 121 in programmable device 110 pairs of electronic detonator control circuits 120 can be utilized to carry out clock alignment based on the method.Introduce described clock correcting method 200 below in detail.
Described clock correcting method 200 comprises the steps.
Step 210, programmable device 110 sends clock alignment instruction by bi-directional serial data bus 130 to electronic detonator control circuit 120.
In one embodiment, described electronic detonator control circuit 120 adopts bi-directional serial data bus 130 to carry out data communication with described programmable device 130, time idle, bus is high, described programmable device and the equal down-drawable bus of described electronic detonator control circuit are to low level, and data start signal is by the trailing edge of drop-down groove.
This clock alignment instruction can be self-defined as required.
Step 220, described electronic detonator control circuit 120 waits for preassigned duration T0 after receiving described clock alignment instruction, returns an answer signal afterwards by described bi-directional serial data bus 130 to described programmable device 110.That is, described electronic detonator control circuit 120, after receiving the clock alignment instruction that described programmable device 110 sends, can postpone preassigned duration T0 and just make response, instead of make response immediately.
Step 230, described programmable device 110 measures described electronic detonator control circuit 120 from receiving described clock alignment instruction to the actual waiting time T1 returning described answer signal.
As shown in Figure 3, it illustrates clock alignment instruction that described programmable device 110 sends and the answer signal that described electronic detonator control circuit 120 sends, the duration first trailing edge from last rising edge of described clock alignment instruction to the answer signal returned is exactly described actual waiting time T1.
Step 240, described programmable device 110 determines clock correction parameters according to measuring the actual waiting time T1 that obtains and described preassigned duration T0.
It is understood that, there is deviation in the clock provided due to the clock oscillation circuit 121 of described electronic detonator control circuit 120, and described preassigned duration T0 be the clock provided at described clock oscillation circuit 121 basis on carry out timing, therefore can there is certain error between the actual waiting time T1 that waits for of described electronic detonator control circuit 120 and described preassigned duration T0, be specially (T1-T0)/T0.
Step 250, described clock correction parameters is sent to described electronic detonator control circuit 120 by described bi-directional serial data bus 130 by described programmable device 110.
Step 260, described electronic detonator control circuit 120 utilizes described clock correction parameters to calibrate the clock in it.
In one embodiment, described clock correction parameters writes in clock frequency adjustment register (not shown) of described adjustable clock oscillation circuit 121 by described electronic detonator control circuit 120.
The adjustable clock oscillation circuit 121 of described electronic detonator control circuit 120 includes clock frequency and regulates register (not shown), and the clock frequency that described clock correction parameters is write described adjustable clock oscillation circuit 121 by described electronic detonator control circuit 120 regulates in register.Like this, just complete the clock alignment of the clock oscillation circuit 121 in described electronic detonator control circuit 120, described clock oscillation circuit 121 just can provide comparatively accurate clock afterwards.
Actual chip testing has proved that this clock correcting method can by within the accuracy calibration of clock to 0.2%.Clock correcting method in the present invention can complete the clock alignment of described electronic detonator control circuit after simply measuring, and operates very easy.
Above-mentioned explanation fully discloses the specific embodiment of the present invention.It is pointed out that the scope be familiar with person skilled in art and any change that the specific embodiment of the present invention is done all do not departed to claims of the present invention.Correspondingly, the scope of claim of the present invention is also not limited only to previous embodiment.
Claims (5)
1. utilize the method that the clock of programmable device to electronic detonator control circuit is calibrated, it is characterized in that, it comprises:
Programmable device sends clock alignment instruction by bi-directional serial data bus to electronic detonator control circuit;
Described electronic detonator control circuit waits for preassigned duration after receiving described clock alignment instruction, returns an answer signal afterwards by described bi-directional serial data bus to described programmable device;
Described programmable device measures described electronic detonator control circuit from receiving described clock alignment instruction to the actual waiting time returning described answer signal;
Described programmable device is according to measuring the actual waiting time and described preassigned duration determination clock correction parameters that obtain;
Described clock correction parameters is sent to described electronic detonator control circuit by described bi-directional serial data bus by described programmable device; With
Described electronic detonator control circuit utilizes described clock correction parameters to calibrate the clock in it.
2. method according to claim 1, is characterized in that: the duration first trailing edge of the answer signal that last rising edge that described actual waiting time equals the clock alignment instruction sent from programmable device returns to described electronic detonator control circuit.
3. method according to claim 1, it is characterized in that: described electronic detonator control circuit includes adjustable clock oscillation circuit, described adjustable clock oscillation circuit includes clock frequency and regulates register, and the clock frequency that described clock correction parameters is write described adjustable clock oscillation circuit by described electronic detonator control circuit regulates in register.
4. an electronics initiation system, it comprises programmable device and electronic detonator control circuit, it is characterized in that, described electronic detonator control circuit comprises the adjustable clock oscillation circuit providing clock, described adjustable clock oscillation circuit includes clock frequency and regulates register
Described programmable device sends clock alignment instruction by bi-directional serial data bus to electronic detonator control circuit, described electronic detonator control circuit waits for preassigned duration after receiving described clock alignment instruction, an answer signal is returned to described programmable device afterwards by described bi-directional serial data bus, described programmable device measures described electronic detonator control circuit from receiving described clock alignment instruction to the actual waiting time returning described answer signal, described programmable device is according to measuring the actual waiting time and described preassigned duration determination clock correction parameters that obtain, described clock correction parameters is sent to described electronic detonator control circuit by described bi-directional serial data bus by described programmable device, the clock frequency that described clock correction parameters is write described adjustable clock oscillation circuit by described electronic detonator control circuit regulates in register.
5. electronics initiation system according to claim 4, is characterized in that: the duration first trailing edge of the answer signal that last rising edge that described actual waiting time equals the clock alignment instruction sent from programmable device returns to described electronic detonator control circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210041867.2A CN103292647B (en) | 2012-02-23 | 2012-02-23 | Clock calibration method of electronic detonator control circuit and electronic initiation system |
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| CN201210041867.2A CN103292647B (en) | 2012-02-23 | 2012-02-23 | Clock calibration method of electronic detonator control circuit and electronic initiation system |
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| CN103292647A CN103292647A (en) | 2013-09-11 |
| CN103292647B true CN103292647B (en) | 2015-05-27 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110895125B (en) * | 2019-11-08 | 2022-05-03 | 重庆云铭科技股份有限公司 | Method for calibrating internal clock of electronic detonator chip |
| CN111322916A (en) * | 2020-03-18 | 2020-06-23 | 融硅思创(北京)科技有限公司 | High-precision digital electronic detonator chip and method for improving detonator delay precision |
| CN113033022B (en) * | 2021-04-22 | 2022-06-17 | 杭州国芯科技股份有限公司 | Delay compensation method of field bus network |
| CN114935291A (en) * | 2022-04-26 | 2022-08-23 | 北京芯大陆科技有限公司 | Networking method of electronic detonator and electronic initiation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055094A (en) * | 1990-03-10 | 1991-10-02 | 阿特拉斯动力公司 | The method and apparatus of calibrated electronic timing circuit |
| CN101586931A (en) * | 2008-11-10 | 2009-11-25 | 北京铱钵隆芯科技有限责任公司 | Adjustable electronic detonator control chip and flow for controlling same |
| CN101655339A (en) * | 2008-12-02 | 2010-02-24 | 北京铱钵隆芯科技有限责任公司 | Delay time setting process of electronic detonator explosion initiating device |
| CN102278921A (en) * | 2010-06-10 | 2011-12-14 | 北京北方邦杰科技发展有限公司 | Detection control flow of special equipment for electronic detonator |
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2012
- 2012-02-23 CN CN201210041867.2A patent/CN103292647B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1055094A (en) * | 1990-03-10 | 1991-10-02 | 阿特拉斯动力公司 | The method and apparatus of calibrated electronic timing circuit |
| CN101586931A (en) * | 2008-11-10 | 2009-11-25 | 北京铱钵隆芯科技有限责任公司 | Adjustable electronic detonator control chip and flow for controlling same |
| CN101655339A (en) * | 2008-12-02 | 2010-02-24 | 北京铱钵隆芯科技有限责任公司 | Delay time setting process of electronic detonator explosion initiating device |
| CN102278921A (en) * | 2010-06-10 | 2011-12-14 | 北京北方邦杰科技发展有限公司 | Detection control flow of special equipment for electronic detonator |
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