CN217330912U - Electronic initiation system capable of measuring electronic detonator network bus resistance - Google Patents
Electronic initiation system capable of measuring electronic detonator network bus resistance Download PDFInfo
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- CN217330912U CN217330912U CN202220727922.2U CN202220727922U CN217330912U CN 217330912 U CN217330912 U CN 217330912U CN 202220727922 U CN202220727922 U CN 202220727922U CN 217330912 U CN217330912 U CN 217330912U
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Abstract
The utility model provides an electronic detonation system capable of measuring electronic detonator network bus resistance, which comprises an electronic detonator control device, an electronic detonator and a bus, wherein the electronic detonator control device comprises a resistance R1; the electronic detonator comprises a short circuit switch and an electronic detonator control circuit; the positive output end of the electronic detonator control equipment is connected with a node N1 through a resistor R1, and the node N1 is connected with the positive input end of the electronic detonator through a first connecting wire; the negative electrode output end of the electronic detonator control equipment is connected with the negative electrode input end of the electronic detonator through a second connecting wire; the short-circuit switch is connected between the positive input end and the negative input end of the electronic detonator; the electronic detonator control equipment sends a detection instruction to the electronic detonator control circuit through a bus; the electronic detonator control circuit controls the conduction of the short-circuit switch to return a signal after receiving the detection instruction; and the electronic detonator control equipment measures the bus resistance when the short-circuit switch is switched on. Compared with the prior art, the utility model discloses can measure on-the-spot bus resistance.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the circuit design field, in particular to electron initiation system of measurable quantity electron detonator network bus resistance.
[ background ] A method for producing a semiconductor device
Electronic initiation systems are now widely used and replace conventional initiation systems in many applications. Generally, an electronic initiation system includes an electronic detonator, a programmer and an initiator. The programmer can perform various programming on the electronic detonators, for example, programming the detonation delay time of each electronic detonator and the like; the detonator is used for controlling the detonation of the electronic detonator. When the electronic detonators are networked, due to the complex field environment, the ignition capacitors of the electronic detonators are not charged enough, and the blasting is lost.
Therefore, there is a need for an improved solution to overcome the above problems.
[ Utility model ] content
An object of the utility model is to provide a measurable quantity electron detonator network bus resistance's electron initiation system, its bus resistance that can measure the scene.
According to one aspect of the utility model, the utility model provides an electronic initiation system capable of measuring electronic detonator network bus resistance, which comprises an electronic detonator control device, an electronic detonator and a bus, wherein the electronic detonator control device comprises a resistor R1; the electronic detonator comprises a short circuit switch and an electronic detonator control circuit; the bus comprises a first connecting line and a second connecting line; the electronic detonator control equipment is in bidirectional data communication with the electronic detonator control circuit through the bus, and the electronic detonator control equipment transmits energy to the electronic detonator control circuit through the bus; the positive output end of the electronic detonator control equipment is connected with a node N1 through the resistor R1, and the node N1 is connected with the positive input end of the electronic detonator through the first connecting wire; the negative electrode output end of the electronic detonator control equipment is connected with the negative electrode input end of the electronic detonator through the second connecting wire; the short-circuit switch is connected between the positive input end and the negative input end of the electronic detonator; the electronic detonator control equipment sends a detection instruction to the electronic detonator control circuit through the bus; the electronic detonator control circuit controls the short-circuit switch to be conducted to return a signal after receiving the detection instruction; and the electronic detonator control equipment measures the bus resistance when the short-circuit switch is switched on.
Further, the electronic detonator control device compensates for bus voltage drop based on the measured bus resistance.
Further, the resistor R1 is a short-circuit resistor of the electronic detonator control device.
Further, the step of measuring the bus resistance by the electronic detonator control device when the short-circuit switch is turned on specifically includes the following steps:
and measuring the voltage of the node N1 to obtain the current of the bus as follows:
voltage drop of bus line is V BUS ＝V N1 Formula 2;
based on formula 1 and formula 2, the resistance of the bus is obtained as:
wherein, V out The output voltage between the positive output end and the negative output end of the electronic detonator control equipment is obtained; v N1 Is the voltage of the node N1; v BUS Is the voltage drop of the bus; r2 is the resistance of the bus; i is BUS Is the current of the bus.
Further, the electronic detonator control device calculates the network power consumption according to the number of the resistance detonators on the network based on the measured bus resistance, thereby obtaining the bus voltage drop under the normal condition or the working state and compensating the bus voltage drop.
Further, the detection instruction is customized according to needs.
Further, the electronic detonator control circuit and the short-circuit switch M1 are implemented as a chip; the short-circuit switch M1 is a MOS tube.
Compared with the prior art, the utility model discloses a measure on-the-spot bus resistance (or the actual resistance of bus) to carry out bus voltage drop compensation, and then eliminate the problem that electronic detonator firing capacitor is not enough charged.
With regard to other objects, features and advantages of the present invention, the following detailed description will be made in conjunction with the accompanying drawings.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a block diagram illustrating an electronic initiation system according to an embodiment of the present invention.
[ detailed description ] A
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Unless otherwise specified, the terms connected, and connected as used herein mean electrically connected, directly or indirectly.
When the electronic detonators are networked, the distance between the initiator and the blasting operation surface is very different from dozens of meters to thousands of meters, so that the resistance difference of the bus is also very large; if the voltage drop of the resistance of the bus is too large, the ignition capacitor of the electronic detonator is not fully charged, and the gun is lost. If the actual resistance of the bus is available, the initiator can compensate for the voltage drop across the bus, thereby solving the problem of missed shots.
The utility model provides a measurable quantity electron detonator network bus resistance's electron initiation system, please refer to fig. 1, it is that the utility model discloses the structure square frame schematic diagram of the electron initiation system of measurable quantity electron detonator network bus resistance in an embodiment. The electronic detonation system capable of measuring the bus resistance of the electronic detonator network shown in fig. 1 comprises an electronic detonator control device 110, an electronic detonator 120 and a bus 130.
The electronic detonator control device 110 includes a resistor R1, and in one embodiment, the resistor R1 may be a short circuit resistor of the electronic detonator control device 110. The electronic detonator 120 comprises a short circuit switch M1, an electronic detonator control circuit 122 and a detonator 124, wherein the electronic detonator control circuit 122 and the short circuit switch M1 can be implemented as one chip; in the embodiment shown in fig. 1, the short-circuit switch M1 is a MOS transistor. The bus 130 includes a first connection line 131 and a second connection line 132.
The electronic detonator control device 110 performs bidirectional data communication with the electronic detonator control circuit 122 through the bus 130, and the electronic detonator control device 110 transfers energy to the electronic detonator control circuit 122 through the bus 130. In the embodiment shown in FIG. 1, bus 130 is a bi-directional serial data bus; resistor R2 is the actual resistance (or equivalent resistance) of bus 130.
The positive output end of the electronic detonator control equipment 110 is connected with a node N1 through a resistor R1, and the node N1 is connected with the positive input end of the electronic detonator 120 through a first connecting wire 131; the negative output end of the electronic detonator control device 110 is connected with the negative input end of the electronic detonator 120 through a second connecting wire 132; the short circuit switch M1 is connected between the positive input terminal and the negative input terminal of the electronic detonator 120, wherein the negative output terminal of the electronic detonator control device 110 is grounded.
The operation of the electronic detonation system shown in fig. 1 for bus voltage drop compensation by measuring the bus resistance (or the actual resistance of the bus) in the field is described in detail below.
The electronic detonator control device 110 sends a detection instruction to the electronic detonator control circuit 122 through the bus 130; after receiving the detection instruction, the electronic detonator control circuit 122 controls the short-circuit switch M1 to be conducted to return a signal; when the short-circuit switch M1 is turned on, the electronic detonator control device 110 obtains a bus current by measuring a voltage drop across the resistor R1, thereby calculating a bus resistance; the electronic detonator control apparatus 110 compensates for the bus voltage drop based on the measured bus resistance, so that the firing capacitance of the electronic detonator 120 can be fully charged.
In one embodiment, the detection instructions issued by the electronic detonator control apparatus 110 to the electronic detonator control circuit 122 may be customized as desired.
In an embodiment, when the short-circuit switch M1 is turned on, the electronic detonator control device 110 obtains a bus current by measuring a voltage drop across the resistor R1, and thus calculating a bus resistance specifically includes the following steps:
and measuring the voltage of the node N1 to obtain the current of the bus as follows:
voltage drop of bus line is V BUS ＝V N1 Formula 2;
based on formula 1 and formula 2, the resistance of the bus is obtained as:
wherein, V out Is the output voltage between the positive output terminal and the negative output terminal of the electronic detonator control device 110; v N1 The voltage at node N1; v BUS Is the voltage drop across bus 130; r2 is the resistance of bus 130; i is BUS Is the current of the bus 130.
In one embodiment, after the bus resistance R2 is obtained, the power consumption of the network can be calculated according to the number of electronic detonators on the network, so as to obtain the bus voltage drop under normal conditions (or working conditions), and accordingly, the bus voltage drop can be compensated. That is, the electronic detonator controlling device 110 calculates the network power consumption according to the number of the resistive detonators on the network based on the measured bus resistance R2, thereby obtaining the bus voltage drop under the normal condition (or the working state), and compensating the bus voltage drop according to the bus voltage drop, so that the firing capacitor of the electronic detonator 120 can be fully charged.
To sum up, the electronic detonation system of the present invention includes an electronic detonator control device 110, an electronic detonator 120 and a bus 130, wherein the electronic detonator control device 110 includes a resistor R1; the electronic detonator 120 comprises a short circuit switch M1 and an electronic detonator control circuit 122; the bus 130 includes a first connection line 131 and a second connection line 132; the electronic detonator control device 110 performs bidirectional data communication with the electronic detonator control circuit 122 through the bus 130, and the electronic detonator control device 110 transfers energy to the electronic detonator control circuit 122 through the bus; the positive electrode output end of the electronic detonator control device 110 is connected with a node N1 through the resistor R1, and the node N1 is connected with the positive electrode input end of the electronic detonator 120 through the first connecting wire 131; the negative output end of the electronic detonator control device 110 is connected with the negative input end of the electronic detonator 120 through the second connecting wire 132; the short-circuit switch M1 is connected between the positive input end and the negative input end of the electronic detonator 120; the electronic detonator control device 110 sends a detection instruction to the electronic detonator control circuit 122 through the bus 130; the electronic detonator control circuit 122 controls the short-circuit switch M1 to be conducted to return a signal after receiving the detection instruction; the electronic detonator control device 110 measures the bus resistance when the short-circuit switch M1 is turned on. Compared with the prior art, the electronic detonator 120 of the present invention returns the signal by a load modulation method, for example, in the embodiment shown in fig. 1, a switch tube M1 is used to directly short circuit the bus 130 to maximize the return signal; the bus current I is obtained by measuring the voltage drop across the short-circuit protection resistor R1 of the electronic detonator control device 110 BUS Thereby calculating the bus resistance R2. That is, the utility modelAnd measuring the bus resistance by using the short-circuit bus operation time when the electronic detonator returns a signal. And the electronic detonator control device 110 performs bus voltage drop compensation based on the calculated bus resistance R2, thereby eliminating the problem of insufficient charging of the ignition capacitor of the electronic detonator. In addition, the product carrying the circuit has proved that the scheme is simple, reliable and low in cost.
In the present invention, the terms "connected", "connecting", and the like denote electrical connections, and, unless otherwise specified, may denote direct or indirect electrical connections.
It should be noted that those skilled in the art can make modifications to the embodiments of the present invention without departing from the scope of the claims of the present invention. Accordingly, the scope of the claims of the present invention is not to be limited to the specific embodiments described above.
Claims (7)
1. An electronic initiation system capable of measuring the bus resistance of an electronic detonator network is characterized in that,
the electronic detonator control device comprises an electronic detonator control device, an electronic detonator and a bus, wherein the electronic detonator control device comprises a resistor R1; the electronic detonator comprises a short circuit switch and an electronic detonator control circuit; the bus comprises a first connecting line and a second connecting line;
the electronic detonator control equipment is in bidirectional data communication with the electronic detonator control circuit through the bus, and the electronic detonator control equipment transmits energy to the electronic detonator control circuit through the bus;
the positive output end of the electronic detonator control equipment is connected with a node N1 through the resistor R1, and the node N1 is connected with the positive input end of the electronic detonator through the first connecting wire; the negative electrode output end of the electronic detonator control equipment is connected with the negative electrode input end of the electronic detonator through the second connecting wire; the short-circuit switch is connected between the positive input end and the negative input end of the electronic detonator;
the electronic detonator control equipment sends a detection instruction to the electronic detonator control circuit through the bus;
the electronic detonator control circuit controls the short-circuit switch to be conducted to return a signal after receiving the detection instruction;
and when the short-circuit switch is switched on, the electronic detonator control equipment obtains the bus current by measuring the voltage drop at two ends of the resistor R1, so that the bus resistance is calculated.
2. The electronic detonation system capable of measuring the bus resistance of the electronic detonator network according to claim 1,
and the electronic detonator control equipment compensates the bus voltage drop based on the measured bus resistance.
3. The electronic detonation system capable of measuring the bus resistance of the electronic detonator network according to claim 1,
the resistor R1 is a short-circuit resistor of the electronic detonator control equipment.
4. The electronic detonation system capable of measuring the bus resistance of the electronic detonator network according to claim 1,
when the short-circuit switch is turned on, the electronic detonator control equipment obtains the bus current by measuring the voltage drop at two ends of the resistor R1, so that the bus resistance is calculated, and the method specifically comprises the following steps:
and measuring the voltage of the node N1 to obtain the current of the bus as follows:
voltage drop of bus line is V BUS ＝V N1 Formula 2;
based on formula 1 and formula 2, the resistance of the bus is obtained as:
wherein, V out The output voltage between the positive output end and the negative output end of the electronic detonator control equipment is obtained; v N1 Is the voltage of the node N1; v BUS Is the voltage drop of the bus; r2 is the resistance of the bus; i is BUS Is the current of the bus.
5. The electronic detonation system capable of measuring the bus resistance of the electronic detonator network according to any one of claims 2 to 4,
and the electronic detonator control equipment calculates the network power consumption according to the number of the resistance detonators on the network based on the measured bus resistance, thereby obtaining the bus voltage drop under the normal condition or the working state and compensating the bus voltage drop.
6. The electronic detonation system capable of measuring the bus resistance of the electronic detonator network according to claim 1,
the detection instruction is self-defined as required.
7. The electronic detonation system capable of measuring the bus resistance of the electronic detonator network according to claim 1,
the electronic detonator control circuit and the short-circuit switch M1 are realized as a chip;
the short-circuit switch M1 is a MOS tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220727922.2U CN217330912U (en) | 2022-03-24 | 2022-03-24 | Electronic initiation system capable of measuring electronic detonator network bus resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220727922.2U CN217330912U (en) | 2022-03-24 | 2022-03-24 | Electronic initiation system capable of measuring electronic detonator network bus resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217330912U true CN217330912U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220727922.2U Active CN217330912U (en) | 2022-03-24 | 2022-03-24 | Electronic initiation system capable of measuring electronic detonator network bus resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217330912U (en) |
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- 2022-03-24 CN CN202220727922.2U patent/CN217330912U/en active Active
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Address after: Room 1501, Block C, Cygnus, Software Park, No. 111, Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Saimi Kentuo Microelectronics Co.,Ltd. Address before: Room 1911, block C, swan block, software park, 111 Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee before: Wuxi Saimi Kentuo Microelectronics Co.,Ltd. |