Detection and control method of priming circuit for electronic detonator
An electronic detonator, detection and control technology, applied in electrical program control, program control in sequence/logic controllers, blasting, etc., can solve the problems affecting the accuracy of the detection results of the charging circuit, etc.
Active Publication Date: 2010-02-10
南通炜天电子科技有限公司
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Therefore, changes in the time required for charging will also affect the accuracy of the charging circuit detection results
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[0073] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0074] The electronic detonator detonating network of the present invention is composed of an electronic detonator detonating device 100 , one or more electronic detonators 200 , and a signal bus 300 connecting the detonating device 100 and the electronic detonator 200 . Wherein, all electronic detonators 200 are connected in parallel between two signal buses 300 drawn from the detonating device 100 . Such as figure 1 shown.
[0075] Wherein, the control chip 400 inside the electronic detonator 200 can adopt the technical solution disclosed in the patent application document 200810108688.X, such as Figure 10 shown. The electronic detonator detonating device 100 can adopt the technical solution disclosed in the patent application document 200810135028.0, such as Figure 11 shown.
[0076] figure 2 The...
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The invention provides a detection and control method of a priming circuit for electronic detonators. The method is used for control flow detection of the electronic detonators on one side, and used for control flow detection of a priming device on the other side. The method comprises the following steps: firstly the priming device sends a detection instruction to detonators in the circuit which fail to pass detection; the electronic detonators receive the instruction aiming at the detonators and then enters a detection status, and sends a detection instruction answering signal and enters a self-detection flow; the priming device receives the detection instruction answering signal returned by the detonators, and then reads back status information of the detonators after a preset detectiondelay time is reached to complete detection on the detonators followed by detection on the next detonator; or, the priming device starts detection on the next detonator after a preset charging time isreached until detection on all the detonators is completed, and then reads back the status information of the detonators one by one. The technical scheme helps avoid network power supply noise causedby charging a plurality of the detonators at the same time, and improve reliability of priming circuit work and accuracy of detection result of the electronic detonators.
Description
technical field [0001] The invention relates to the field of pyrotechnics application technology, in particular to a detection and control method for an electronic detonator detonation network. Background technique [0002] In the 1980s, Japan, Australia, Europe and other developed countries began to study electronic detonator technology. With the rapid development of electronic technology, microelectronic technology and information technology, electronic detonator technology has made great progress. In the late 1990s, electronic detonators began to be put into application testing and marketing. [0003] Patent application document 200810108688.X discloses an electronic detonator control chip capable of self-detection function and the chip’s self-test workflow under the control of an external detonating device, thereby realizing reliable connection between the inside and outside of the chip Predictive online duplicate detection. The control chip with a built-in detection ...
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IPC IPC(8): G05B19/04F42D1/05
Inventor 颜景龙刘星李风国赖华平张宪玉
Owner 南通炜天电子科技有限公司