CN218937199U - Communication control circuit, communication line short circuit detection circuit and detonation system - Google Patents
Communication control circuit, communication line short circuit detection circuit and detonation system Download PDFInfo
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- CN218937199U CN218937199U CN202320061980.0U CN202320061980U CN218937199U CN 218937199 U CN218937199 U CN 218937199U CN 202320061980 U CN202320061980 U CN 202320061980U CN 218937199 U CN218937199 U CN 218937199U
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Abstract
The utility model discloses a communication control circuit, a communication line short-circuit detection circuit and a detonation system, and belongs to the technical field of electronic detonator detonation control. The communication control circuit includes: the first end of the first voltage stabilizing circuit is connected with the first communication line; the first end of the second voltage stabilizing circuit is connected with the second communication line; the OR gate logic control module is provided with a first input end, a second input end and a first output end, the first input end is connected with the second end of the first voltage stabilizing circuit, the second input end is connected with the second end of the second voltage stabilizing circuit, and the first output end is connected with the enabling end; when the first communication line and the second communication line are in short circuit, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both in low level, the first output end is in low level, and the electronic detonator communication circuit is not enabled. The communication control circuit can timely disconnect the detonation control signal when a short circuit occurs in a communication line.
Description
Technical Field
The utility model relates to the technical field of electronic detonator detonation control, in particular to a communication control circuit, a communication line short circuit detection circuit and a detonation system.
Background
At present, electronic detonators are widely used, when the electronic detonators are arranged, a long communication line is required to be pulled open, multiple electronic detonators are connected to the communication line and connected with a detonation control circuit, the detonation control circuit is connected with a detonation control system, and the detonation control system controls the detonation control circuit to send a control signal to the communication line to detonate the multiple electronic detonators.
However, in the process of arranging multiple electronic detonators, the connecting nodes are more, the problem that a short circuit occurs in a communication line is easy to occur, and when the communication line is easy to occur short circuit, a detonation control circuit sends a control signal to the communication line to detonate the multiple electronic detonators, so that the electronic detonators are abnormal in communication and cause the damage of the communication circuit of the electronic detonators, the damage degree of the communication line is increased due to the increase of random power-on time, a detonation operator is not easy to discover that the short circuit occurs in the communication line in time, and the detonation control signal can not be disconnected in time, so that the electronic detonator is detonated to be tested and the economic cost is increased. Thus, there is a need for a control circuit that can timely turn off the detonation control signal when a short circuit occurs in the communication line.
Disclosure of Invention
The utility model aims to overcome at least one defect of the prior art and provide a communication control circuit capable of timely disconnecting an initiation control signal when a short circuit occurs in a communication line; in addition, a communication line short circuit detection circuit and a detonation system are also provided.
The technical scheme for solving the technical problems is as follows: a communication control circuit for connecting between electronic detonator communication circuit and electronic detonator communication line, to connect the electronic detonator on the electronic detonator communication line carry out communication control, electronic detonator communication line includes first communication line and second communication line, first communication line and second communication line respectively with two output of electronic detonator communication circuit are connected, still be equipped with the enabling end on the electronic detonator communication circuit, communication control circuit includes:
the first end of the first voltage stabilizing circuit is connected with the first communication line;
the first end of the second voltage stabilizing circuit is connected with the second communication line;
the OR gate logic control module is provided with a first input end, a second input end and a first output end, the first input end is connected with the second end of the first voltage stabilizing circuit, the second input end is connected with the second end of the second voltage stabilizing circuit, and the first output end is connected with the enabling end;
when the first communication line and the second communication line are not in short circuit, the second end of the first voltage stabilizing circuit or the second voltage stabilizing circuit outputs a high level, the first output end outputs the high level, the high level is input to the enabling end, and the electronic detonator communication circuit is enabled; when the first communication line and the second communication line are in short circuit, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both in low level, the first output end is in low level, the enabling end is in low level, and the electronic detonator communication circuit is not enabled.
The beneficial effects of the utility model are as follows: in this embodiment, by connecting the first ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit with the first communication line and the second communication line, respectively, the first input end and the second input end of the or gate logic control module are connected with the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit, respectively, and the first output end of the or gate logic control module is connected with the enable end; when the electronic detonator communication line is short-circuited, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both low-level, the first output end is low-level, and the enabling end is low-level, so that the electronic detonator communication circuit is not enabled, and the initiation control signal can be disconnected in time, the electronic detonator communication circuit still outputs the initiation control signal to the electronic detonator communication line when the electronic detonator communication line is short-circuited, and the loss caused by the short circuit of the electronic detonator communication line is reduced in time.
In addition, on the basis of the technical scheme, the utility model can be improved as follows and can also have the following additional technical characteristics.
According to an embodiment of the present utility model, the first voltage stabilizing circuit includes:
the first end of the first connecting wire is connected with the first communication wire, and the second end of the first connecting wire is connected with the first input end;
the two ends of the first resistor are connected to the first connecting lead;
the first voltage stabilizing diode and the second resistor are connected in parallel on a first connecting lead and are positioned between the first input end and the first resistor, the negative electrode of the first voltage stabilizing diode and one end of the second resistor are connected to the first connecting lead, and the positive electrode of the first voltage stabilizing diode and the other end of the second resistor are respectively grounded.
The first voltage stabilizing circuit in the embodiment stabilizes the voltage passing through the first connecting wire, which is beneficial to improving the stability of the input of the first input end; specifically, the first resistor divides the voltage input from the first connection wire, the second resistor divides the voltage input from the first connection wire, and when the voltage passing through the first zener diode rises to the voltage limiting value of the first zener diode, the first zener diode limits the voltage input from the first connection wire, so that the voltage input to the first input terminal is suitable.
According to an embodiment of the present utility model, the second voltage stabilizing circuit includes:
the first end of the second connecting wire is connected with the second communication wire, and the second end of the second connecting wire is connected with the second input end;
the two ends of the third resistor are connected to the second connecting lead;
the second zener diode and the fourth resistor are connected in parallel on a second connecting lead and are positioned between the second input end and the third resistor, one ends of the negative electrode of the second zener diode and the fourth resistor are respectively connected to the second connecting lead, and the other ends of the positive electrode of the second zener diode and the fourth resistor are respectively grounded.
The second voltage stabilizing circuit in the embodiment stabilizes the voltage passing through the second connecting wire, which is beneficial to improving the stability of the voltage input into the second input end; specifically, the third resistor divides the voltage input from the second connection wire, the fourth resistor divides the voltage input from the second connection wire, and when the voltage passing through the second zener diode rises to the voltage limiting value of the second zener diode, the second zener diode limits the voltage input from the second connection wire, so that the voltage input to the second input terminal is suitable.
According to one embodiment of the utility model, the or gate logic control module comprises an or gate chip, the or gate chip is provided with the first input end, the second input end and the first output end, the or gate logic control module is further provided with a voltage access pin and a grounding pin, the voltage access pin is connected with a power supply voltage, and the grounding pin is grounded.
The or gate logic control module in the embodiment comprises an or gate chip, and is convenient to be connected with a first communication line and a second communication line through a first input end and a second input end of the or gate chip respectively; in addition, the voltage access pin is connected with the power supply voltage, so that power supply to the OR gate chip is conveniently realized.
According to one embodiment of the utility model, the supply voltage has a voltage of 3.3V or 5V. The voltage of the power supply voltage in this embodiment is 3.3V or 5V, and the power supply voltage is suitable, so that power can be conveniently supplied to the or gate chip.
According to one embodiment of the utility model, the high level voltage ranges from 5V to 32V and the low level voltage ranges from 0V to 1V. The high-level voltage range in the embodiment is 5V-32V, and the low-level voltage range is 0V-1V, so that stability and accuracy of enabling control of the electronic detonator communication circuit are improved.
According to one embodiment of the present utility model, the or gate logic control module includes an or gate, where the first input terminal, the second input terminal, and the first output terminal are disposed on the or gate. The or gate logic control module in the embodiment comprises an or gate, and the or gate has a simple structure, so that the cost for arranging the communication control circuit is reduced.
In addition, the utility model also provides a communication line short circuit detection circuit, which is used for being connected with the electronic detonator initiation control system, and is characterized in that the communication line short circuit detection circuit comprises:
the communication control circuit described above;
the first end of the third connecting wire is connected with the first output end, a short circuit detection port is arranged on the electronic detonator initiation control system, and the second end of the third connecting wire is connected with the short circuit detection port;
when the first communication line and the second communication line are not in short circuit, the second end of the first voltage stabilizing circuit or the second voltage stabilizing circuit outputs a high level, the first output end is in high level, the first output end outputs the high level and inputs the high level to the enabling end, the electronic detonator communication circuit is enabled, the short circuit detection port is in high level, and the electronic detonator initiation control system does not detect the short circuit of the electronic detonator communication circuit; when the first communication line and the second communication line are in short circuit, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both in low level, the first output end is in low level, the enabling end is in low level, the electronic detonator communication circuit is not enabled, the short circuit detection port is in low level, and the electronic detonator detonation control system detects the short circuit of the electronic detonator communication circuit through the short circuit detection port.
The communication line short circuit detection circuit in the embodiment comprises the communication control circuit, the first end of the third connecting wire is connected with the first output end, the second end of the third connecting wire is connected with the short circuit detection port, when the first communication line and the second communication line are in short circuit, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both in low level, the first output end is in low level, the enabling end is in low level, the electronic detonator communication circuit is not enabled, so that the initiation control signal can be disconnected in time, the initiation control signal is still output to the electronic detonator communication line by the electronic detonator communication circuit when the electronic detonator communication line is in short circuit, and the loss caused by the short circuit of the electronic detonator communication line is reduced in time; in addition, the short circuit detection port is low level, and the electronic detonator initiation control system detects the short circuit of the electronic detonator communication circuit through the short circuit detection port, so that the electronic detonator initiation control system is beneficial to prompting the short circuit of the electronic detonator communication circuit, and maintenance personnel can maintain the electronic detonator communication circuit in time.
According to an embodiment of the present utility model, the communication line short-circuit detection circuit further includes:
and one end of the fifth resistor is connected to the third connecting lead, and the other end of the fifth resistor is grounded. The fifth resistor in this embodiment is used as a pull-down resistor, and before the first output end of the or gate logic control module outputs a signal, the level of the default pair electronic detonator initiation control system is pulled down through the short circuit detection port and the enabling end.
In addition, the utility model also provides a detonation system, which comprises:
the electronic detonator detonation control system is used for performing detonation control on the electronic detonator, and the short circuit detection port is arranged on the electronic detonator detonation control system;
the electronic detonator communication circuit is characterized in that the input end of the electronic detonator communication circuit is connected with the electronic detonator initiation control system, and the electronic detonator communication circuit is provided with the enabling end;
in the above communication line short circuit detection circuit, the first end of the third connection wire is connected with the first output end, the second end of the third connection wire is connected with the short circuit detection port, and the first output end is connected with the enable end.
The detonation system in the embodiment comprises an electronic detonator detonation control system, wherein a first end of a third connecting wire in a communication line short circuit detection circuit is connected with a first output end, a second end of the third connecting wire is connected with a short circuit detection port, and the first output end is connected with an enabling end; when the electronic detonator communication line is short-circuited, the electronic detonator initiation control system can detect the short circuit of the electronic detonator communication line, so that the electronic detonator initiation control system can be used for monitoring the short circuit of the electronic detonator communication line conveniently, the short circuit of the electronic detonator communication line can be found conveniently in time, the initiation control signal can be cut off in time, the electronic detonator communication circuit can still output the initiation control signal to the electronic detonator communication line when the electronic detonator communication line is short-circuited, and the loss caused by the short circuit of the electronic detonator communication line can be reduced in time.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic circuit diagram of a communication control circuit, a communication line short circuit detection circuit and an electronic detonator initiation control system in an embodiment of the utility model;
fig. 2 is a schematic circuit diagram of an or gate logic control module according to an embodiment of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
1. the electronic detonator detonation control system comprises an electronic detonator detonation control system body 2, an electronic detonator communication circuit 20, a first communication line 21, a second communication line, R1, a first resistor, R2, a second resistor, R3, a third resistor, R4, a fourth resistor, R5, a fifth resistor, D1, a first zener diode, D2, a second zener diode, U1, an OR gate chip, ORgate and OR gate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 2, the communication control circuit provided in this embodiment is configured to be connected between an electronic detonator communication circuit 2 and an electronic detonator communication circuit, and perform communication control on an electronic detonator connected to the electronic detonator communication circuit, where the electronic detonator communication circuit includes a first communication line 20 and a second communication line 21, the first communication line 20 and the second communication line 21 are respectively connected to two output ends of the electronic detonator communication circuit 2, and an enabling end is further provided on the electronic detonator communication circuit 2, and the communication control circuit includes:
a first voltage stabilizing circuit, a first end of which is connected to the first communication line 20;
a second voltage stabilizing circuit, a first end of which is connected to the second communication line 21;
the OR gate logic control module is provided with a first input end, a second input end and a first output end, the first input end is connected with the second end of the first voltage stabilizing circuit, the second input end is connected with the second end of the second voltage stabilizing circuit, and the first output end is connected with the enabling end;
wherein when the first communication line 20 and the second communication line 21 are not shorted, the second terminal of the first voltage stabilizing circuit or the second voltage stabilizing circuit outputs a high level, the first output terminal outputs a high level, and inputs a high level to the enable terminal, and the electronic detonator communication circuit 2 is enabled; when the first communication line 20 and the second communication line 21 are shorted, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both at low level, the first output end is at low level, and the enabling end is at low level, and the electronic detonator communication circuit 2 is not enabled.
In this embodiment, as shown in fig. 1 and 2, in this embodiment, by connecting first ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit with the first communication line 20 and the second communication line 21, respectively, a first input end and a second input end of the or gate logic control module are connected with second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit, respectively, and a first output end of the or gate logic control module is connected with an enable end; when the electronic detonator communication line is short-circuited, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both low-level, the first output end is low-level, and the enabling end is low-level, so that the electronic detonator communication circuit 2 is not enabled, and the initiation control signal can be disconnected in time, the initiation control signal is still output to the electronic detonator communication line by the electronic detonator communication circuit 2 when the electronic detonator communication line is short-circuited, and the loss caused by the short circuit of the electronic detonator communication line is reduced in time.
In this embodiment, "the electronic detonator communication circuit 2 is enabled" in this embodiment means that the electronic detonator communication circuit 2 is turned on and used normally, that is, a control signal is output; correspondingly, "the electronic detonator communication circuit 2 is not enabled" means that the electronic detonator communication circuit 2 is turned off, i.e., no control signal is output. Further, the electronic detonator communication circuit 2 may be various, and the electronic detonator communication circuit 2 may be referred to the prior art in the field, or may be obtained by modifying the prior art detonator communication circuit, and the control of the "enabling or enabling of the electronic detonator communication circuit 2" may also be referred to the enabling control in the field, and the electronic detonator communication circuit 2 will not be described in detail herein. In addition, the electronic detonator in the present embodiment is connected to the right ends of the first communication line 20 and the second communication line 21, and the electronic detonator connected to the right ends of the first communication line 20 and the second communication line 21 is not shown in the present embodiment.
In one embodiment of the present utility model, as shown in fig. 1, the first voltage stabilizing circuit includes:
a first connection wire having a first end connected to the first communication line 20 and a second end connected to the first input end;
the two ends of the first resistor R1 are connected to the first connecting lead;
the first voltage stabilizing diode D1 and the second resistor R2 are connected in parallel on the first connecting lead and are located between the first input end and the first resistor R1, one end of the negative electrode of the first voltage stabilizing diode D1 and one end of the second resistor R2 are connected to the first connecting lead, and the other ends of the positive electrode of the first voltage stabilizing diode D1 and the second resistor R2 are respectively grounded.
In this embodiment, as shown in fig. 1, the first voltage stabilizing circuit stabilizes the voltage passing through the first connection wire, which is beneficial to improving the stability of the voltage input to the first input end; specifically, the first resistor R1 divides the voltage input from the first connection wire, the second resistor R2 divides the voltage input from the first connection wire, and when the voltage passing through the first zener diode D1 rises to the voltage limiting value of the first zener diode D1, the first zener diode D1 limits the voltage input from the first connection wire so that the voltage input to the first input terminal is suitable. Further, the first resistor R1 and the second resistor R2 can adopt 2K resistance; the first resistor R1 and the second resistor R2 may be other resistors having suitable resistance values. Further, the voltage limiting value of the first zener diode D1 in the embodiment is 3.3V; when the first communication line 20 is a high level line, the first voltage stabilizing circuit is an operation circuit.
In one embodiment of the present utility model, as shown in fig. 1, the second voltage stabilizing circuit includes:
a second connecting wire, a first end of which is connected to the second communication line 21, and a second end of which is connected to the second input end;
the two ends of the third resistor R3 are connected to the second connecting lead;
the second zener diode D2 and the fourth resistor R4 are connected in parallel on the second connecting lead and are positioned between the second input end and the third resistor R3, one end of the negative electrode of the second zener diode D2 and one end of the fourth resistor R4 are respectively connected to the second connecting lead, and the other end of the positive electrode of the second zener diode D2 and the other end of the fourth resistor R4 are respectively grounded.
In this embodiment, as shown in fig. 1, the second voltage stabilizing circuit stabilizes the voltage passing through the second connection wire, which is beneficial to improving the stability of the voltage input into the second input terminal; specifically, the third resistor R3 divides the voltage input from the second connection wire, the fourth resistor R4 divides the voltage input from the second connection wire, and when the voltage passing through the second zener diode D2 rises to the voltage limiting value of the second zener diode D2, the second zener diode D2 limits the voltage input from the second connection wire so that the voltage input to the second input terminal is suitable. Further, the third resistor R3 and the fourth resistor R4 can adopt 2K resistance; the third resistor R3 and the fourth resistor R4 may be other resistors having suitable resistance values. Further, the voltage limiting value of the second zener diode D2 in the embodiment is 3.3V; when the second communication line 21 is a high level line, the second voltage stabilizing circuit is an operation circuit.
Further, in the present embodiment, the first communication line 20 illustrated in fig. 1 and 2 is a high level line, the second communication line 21 is a low level line, and when the first communication line 20 is short-circuited with the second communication line 21, the level of the first communication line 20 is pulled down. Of course, when the first communication line 20 and the second communication line 21 exchange interfaces at the time of connecting the communication lines, the second communication line 21 is a high-level line, and the first communication line 20 is a low-level line.
In one embodiment of the present utility model, as shown in fig. 1, the or gate logic control module includes a or gate chip U1, a first input end, a second input end and a first output end are disposed on the or gate chip U1, a voltage access pin and a ground pin are further disposed on the or gate logic control module, the voltage access pin is connected with a power supply voltage, and the ground pin is grounded.
In this embodiment, as shown in fig. 1, the or gate logic control module includes an or gate chip U1, so as to be connected to the first communication line 20 and the second communication line 21 through the first input terminal and the second input terminal of the or gate chip U1, respectively; in addition, the voltage access pin is connected with the power supply voltage, so that power supply to the OR gate chip U1 is conveniently realized. Further, the voltage of the power supply voltage may be 5V. In addition, the power supply voltage in this embodiment may also be 4.5V or the like.
In one embodiment of the present utility model, as shown in fig. 1, the voltage of the power supply voltage is 3.3V. In this embodiment, the voltage of the power supply voltage is 3.3V, and the power supply voltage is suitable, so as to supply power to the or gate chip U1.
In one embodiment of the present utility model, as shown in FIG. 1, the high level voltage ranges from 5V to 32V and the low level voltage ranges from 0V to 1V. In this embodiment, the high level voltage range is 5V-32V, and the low level voltage range is 0V-1V, which is beneficial to improving stability and accuracy of enabling control of the electronic detonator communication circuit 2.
In one embodiment of the present utility model, as shown in fig. 2, the OR Gate logic control module includes an OR Gate, where a first input terminal, a second input terminal, and a first output terminal are disposed on the OR Gate. In this embodiment, the or gate logic control module includes or gate, which has a simple structure, and is beneficial to reducing the cost of setting the communication control circuit.
In addition, this embodiment also provides a communication line short-circuit detection circuit, as shown in fig. 1, for connection with an electronic detonator initiation control system 1, wherein the communication line short-circuit detection circuit includes:
the communication control circuit described above;
the first end of the third connecting wire is connected with the first output end, a short circuit detection port is arranged on the electronic detonator initiation control system 1, and the second end of the third connecting wire is connected with the short circuit detection port;
when the first communication line 20 and the second communication line 21 are not shorted, the second end of the first voltage stabilizing circuit or the second voltage stabilizing circuit outputs a high level, the first output end is a high level, the first output end outputs a high level and inputs the high level to the enabling end, the electronic detonator communication circuit 2 is enabled, the short circuit detection port is a high level, and the electronic detonator initiation control system 1 does not detect the short circuit of the electronic detonator communication circuit 2; when the first communication line 20 and the second communication line 21 are shorted, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both low, the first output end is low, the enabling end is low, the electronic detonator communication circuit 2 is not enabled, the short circuit detection port is low, and the electronic detonator initiation control system 1 detects that the electronic detonator communication circuit 2 is shorted through the short circuit detection port.
In this embodiment, as shown in fig. 1, the communication line short-circuit detection circuit includes the above communication control circuit, and the first end of the third connection wire is connected to the first output end, and the second end of the third connection wire is connected to the short-circuit detection port, when the first communication line 20 and the second communication line 21 are short-circuited, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both low-level, the first output end is low-level, and the enabling end is low-level, and the electronic detonator communication circuit 2 is not enabled, so that the initiation control signal can be disconnected in time, the electronic detonator communication circuit 2 still outputs the initiation control signal to the electronic detonator communication line when the electronic detonator communication line is short-circuited, and loss caused by the short-circuit of the electronic detonator communication line is also facilitated to be reduced in time; in addition, the short circuit detection port is low level, and the electronic detonator initiation control system 1 detects the short circuit of the electronic detonator communication circuit 2 through the short circuit detection port, so that the electronic detonator initiation control system 1 is beneficial to prompting the short circuit of the electronic detonator communication circuit 2, and maintenance personnel can maintain the electronic detonator communication circuit in time.
In one embodiment of the present utility model, as shown in fig. 1, the communication line short circuit detection circuit further includes:
and one end of the fifth resistor R5 is connected to the third connecting lead, and the other end of the fifth resistor R5 is grounded. In this embodiment, the fifth resistor R5 is used as a pull-down resistor, and the default pair electronic detonator initiation control system 1 is pulled down by the level of the short circuit detection port and the enable terminal before the first output terminal of the or gate logic control module outputs the signal. Further, the fifth resistor R5 may be a 3K resistor, and the fifth resistor R5 and other resistors having suitable values may be used.
In addition, this embodiment also provides an initiation system, as shown in fig. 1, including:
the electronic detonator initiation control system 1 is used for performing initiation control on the electronic detonator, and a short circuit detection port is arranged on the electronic detonator initiation control system 1;
the electronic detonator communication circuit 2, the input end of the electronic detonator communication circuit 2 is connected with the electronic detonator initiation control system 1, and the electronic detonator communication circuit 2 is provided with an enabling end;
in the communication line short circuit detection circuit, the first end of the third connecting wire is connected with the first output end, the second end of the third connecting wire is connected with the short circuit detection port, and the first output end is connected with the enabling end.
In this embodiment, as shown in fig. 1, the initiation system includes an electronic detonator initiation control system 1, and a first end of a third connection wire in the communication line short circuit detection circuit is connected to the first output end, a second end of the third connection wire is connected to the short circuit detection port, and the first output end is connected to the enable end; when the electronic detonator communication line is short-circuited, the electronic detonator initiation control system 1 can detect the short circuit of the electronic detonator communication line, so that the electronic detonator initiation control system 1 can be conveniently used for monitoring the short circuit of the electronic detonator communication line, the short circuit of the electronic detonator communication line can be conveniently found in time, the initiation control signal can be timely cut off, the electronic detonator communication circuit 2 can be prevented from still outputting the initiation control signal to the electronic detonator communication line when the electronic detonator communication line is short-circuited, and the loss caused by the short circuit of the electronic detonator communication line can be conveniently and timely reduced.
In this embodiment, the electronic detonator initiation control system 1 includes a control module, a short circuit detection module and an alarm module, wherein the short circuit detection module and the alarm module are respectively connected with the control module, and a short circuit detection port is connected with the short circuit detection module; in addition, the short circuit detection module in this embodiment is a low level detection module; and starting the detonation system, wherein if the electronic detonator communication line is short-circuited, a short-circuit detection module in the electronic detonator detonation control system 1 detects low level, and a control module controls an alarm module to alarm so as to prompt a detonation operator to overhaul the electronic detonator communication line.
In addition, in addition to the technical solutions disclosed in the present embodiment, reference may be made to conventional technical solutions in the art for the or gate chip U1, or gate, electronic detonator initiation control system 1, and the working principles thereof in the present utility model, and these conventional technical solutions are not important to the present utility model, and the present utility model is not described in detail herein.
In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. A communication control circuit for connecting between an electronic detonator communication circuit and an electronic detonator communication line, for performing communication control on an electronic detonator connected to the electronic detonator communication line, the electronic detonator communication line including a first communication line and a second communication line, the first communication line and the second communication line being respectively connected with two output ends of the electronic detonator communication circuit, the electronic detonator communication circuit being further provided with an enabling end, the communication control circuit comprising:
the first end of the first voltage stabilizing circuit is connected with the first communication line;
the first end of the second voltage stabilizing circuit is connected with the second communication line;
the OR gate logic control module is provided with a first input end, a second input end and a first output end, the first input end is connected with the second end of the first voltage stabilizing circuit, the second input end is connected with the second end of the second voltage stabilizing circuit, and the first output end is connected with the enabling end;
when the first communication line and the second communication line are not in short circuit, the second end of the first voltage stabilizing circuit or the second voltage stabilizing circuit outputs a high level, the first output end outputs the high level, the high level is input to the enabling end, and the electronic detonator communication circuit is enabled; when the first communication line and the second communication line are in short circuit, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both in low level, the first output end is in low level, the enabling end is in low level, and the electronic detonator communication circuit is not enabled.
2. The communication control circuit of claim 1, wherein the first voltage stabilizing circuit comprises:
the first end of the first connecting wire is connected with the first communication wire, and the second end of the first connecting wire is connected with the first input end;
the two ends of the first resistor are connected to the first connecting lead;
the first voltage stabilizing diode and the second resistor are connected in parallel on a first connecting lead and are positioned between the first input end and the first resistor, the negative electrode of the first voltage stabilizing diode and one end of the second resistor are connected to the first connecting lead, and the positive electrode of the first voltage stabilizing diode and the other end of the second resistor are respectively grounded.
3. The communication control circuit of claim 1, wherein the second voltage stabilizing circuit comprises:
the first end of the second connecting wire is connected with the second communication wire, and the second end of the second connecting wire is connected with the second input end;
the two ends of the third resistor are connected to the second connecting lead;
the second zener diode and the fourth resistor are connected in parallel on a second connecting lead and are positioned between the second input end and the third resistor, one ends of the negative electrode of the second zener diode and the fourth resistor are respectively connected to the second connecting lead, and the other ends of the positive electrode of the second zener diode and the fourth resistor are respectively grounded.
4. A communication control circuit according to any one of claims 1 to 3, wherein the or gate logic control module comprises an or gate chip, the or gate chip is provided with the first input end, the second input end and the first output end, and the or gate logic control module is further provided with a voltage access pin and a ground pin, the voltage access pin is connected with a power supply voltage, and the ground pin is grounded.
5. The communication control circuit according to claim 4, wherein the power supply voltage has a voltage of 3.3V or 5V.
6. The communication control circuit according to claim 5, wherein the high level voltage range is 5V-32V and the low level voltage range is 0V-1V.
7. A communication control circuit according to any one of claims 1 to 3, wherein the or gate logic control module comprises an or gate having the first input terminal, the second input terminal and the first output terminal provided thereon.
8. A communication line short circuit detection circuit for connection with an electronic detonator initiation control system, the communication line short circuit detection circuit comprising:
the communication control circuit of any one of the preceding claims 1 to 7;
the first end of the third connecting wire is connected with the first output end, a short circuit detection port is arranged on the electronic detonator initiation control system, and the second end of the third connecting wire is connected with the short circuit detection port;
when the first communication line and the second communication line are not in short circuit, the second end of the first voltage stabilizing circuit or the second voltage stabilizing circuit outputs a high level, the first output end is in high level, the first output end outputs the high level and inputs the high level to the enabling end, the electronic detonator communication circuit is enabled, the short circuit detection port is in high level, and the electronic detonator initiation control system does not detect the short circuit of the electronic detonator communication circuit; when the first communication line and the second communication line are in short circuit, the second ends of the first voltage stabilizing circuit and the second voltage stabilizing circuit are both in low level, the first output end is in low level, the enabling end is in low level, the electronic detonator communication circuit is not enabled, the short circuit detection port is in low level, and the electronic detonator detonation control system detects the short circuit of the electronic detonator communication circuit through the short circuit detection port.
9. The communication line short-circuit detection circuit according to claim 8, wherein the communication line short-circuit detection circuit further comprises:
and one end of the fifth resistor is connected to the third connecting lead, and the other end of the fifth resistor is grounded.
10. A detonation system, comprising:
the electronic detonator detonation control system is used for performing detonation control on the electronic detonator, and the short circuit detection port is arranged on the electronic detonator detonation control system;
the electronic detonator communication circuit is characterized in that the input end of the electronic detonator communication circuit is connected with the electronic detonator initiation control system, and the electronic detonator communication circuit is provided with the enabling end;
the communication line short-circuit detection circuit according to any one of the preceding claims 8 to 9, wherein a first end of the third connection wire is connected to the first output terminal, a second end of the third connection wire is connected to the short-circuit detection port, and the first output terminal is connected to the enable terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061980.0U CN218937199U (en) | 2023-01-10 | 2023-01-10 | Communication control circuit, communication line short circuit detection circuit and detonation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320061980.0U CN218937199U (en) | 2023-01-10 | 2023-01-10 | Communication control circuit, communication line short circuit detection circuit and detonation system |
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| CN218937199U true CN218937199U (en) | 2023-04-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117516301A (en) * | 2023-12-29 | 2024-02-06 | 深圳奥简科技有限公司 | Control data processing method and circuit for preventing misoperation |
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2023
- 2023-01-10 CN CN202320061980.0U patent/CN218937199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117516301A (en) * | 2023-12-29 | 2024-02-06 | 深圳奥简科技有限公司 | Control data processing method and circuit for preventing misoperation |
| CN117516301B (en) * | 2023-12-29 | 2024-04-16 | 深圳奥简科技有限公司 | Control data processing method and circuit for preventing misoperation |
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