Interlocked digital display remote control exploder
A technology of remote control and interlocking, applied in the direction of instruments, blasting, measuring devices, etc., can solve the problems of inability to realize full resistance measurement, no peak voltage display, etc., to achieve accurate judgment, avoid injury accidents, and achieve the effect of control
Inactive Publication Date: 2013-04-17
山东隆泰安防科技有限公司
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Problems solved by technology
However, the detonator also has certain disadvantages: the detonator does not lock when the network is open or short-circuited, and it cannot realize mandatory full resistance measurement in actual use, and there is no peak voltage display
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[0012] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0013] Such as figure 1 As shown, the circuit principle diagram of the interlocking digital display remote control detonator of the present invention is provided, which includes a microcontroller 1, a reed switch 2, a constant current source 3, a detonator resistance measurement circuit 4, and an A / D converter 5. LED display 6, constant current source 3 is used to provide constant current to detonator resistance measurement circuit 4, reed switch 2 can control whether constant current source 3 is connected to detonator resistance measurement circuit 4, A / D conversion The device converts the measured analog resistance signal into a numerical signal and outputs it to the microcontroller 1. figure 2 The circuit diagram of the present invention is given, figure 2 The models of the corresponding components and their connections are also given. The model ...
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The invention provides an interlocked digital display remote control exploder, which can accurately measure the resistance value of a detonator to be exploded. The interlocked digital display remote control exploder comprises a microcontroller for operating and controlling, a light-emitting diode (LED) display which is connected with the output port of the microcomputer and a relay J3 for controlling, and is characterized by also comprising a reed switch, a constant current source and a detonator resistance measuring loop, wherein the reed switch is connected in series with the coil of the relay J3; the output port of the constant current source is connected in series with a normally open point of the relay J3 and connected to the detonator resistance measuring loop; the detonator resistance measuring loop is electrically connected with an analogue / digital (A / D) converter; and the output end of the A / D converter is connected with the input port of the microcontroller. The interlocked digital display remote control exploder is provided with the detonator resistance measuring loop and the constant current source, so that fault judgment, impedance measurement and individual electric detonator resistance value measurement are realized.
Description
technical field [0001] The invention relates to an interlocking digital display remote control detonator, more specifically, an interlocking digital display remote control detonator capable of accurately measuring the resistance value of a detonator to be blasted. Background technique [0002] The vast majority of network detection detonators are to add two terminals to the detonator, and connect the blasting bus to the two terminals. One method is to use the light-emitting diode to light up or extinguish to judge the on-off of the blasting network, but When the blasting bus is short-circuited, the LED is still on; when the blasting bus is disconnected, the LED is not lit, and the detonator is charged and detonated. This method is unscientific; the other is to use a digital meter to display the network. The connection state of the circuit resistance (open circuit, short circuit) and the total resistance value of the network detonator. These two types of detonators are not l...
Claims
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IPC IPC(8): F42D1/045G01R27/02
Inventor 杨振勇张庆恒张福禧卞俊国王立武张吉林
Owner 山东隆泰安防科技有限公司