CN218097426U - Power bus waveform generating circuit of electronic detonator initiator - Google Patents
Power bus waveform generating circuit of electronic detonator initiator Download PDFInfo
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- CN218097426U CN218097426U CN202221865459.4U CN202221865459U CN218097426U CN 218097426 U CN218097426 U CN 218097426U CN 202221865459 U CN202221865459 U CN 202221865459U CN 218097426 U CN218097426 U CN 218097426U
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Abstract
The utility model discloses an electronic detonator exploder power bus waveform generating circuit, which comprises a voltage output circuit, a waveform adjusting circuit and a bus polarity switching circuit, wherein the output end of the voltage output circuit is connected with the input end of the waveform adjusting circuit, and the output end of the waveform adjusting circuit is connected with the input end of the bus polarity switching circuit; the voltage output circuit is composed of a high-voltage output circuit and a medium-voltage output circuit, the high-voltage output circuit comprises a high-voltage power supply circuit and a high-voltage conduction circuit, and the output end of the high-voltage power supply circuit is connected with the input end of the high-voltage conduction circuit. Has the advantages that: the output voltage is adjusted through the high-voltage power supply circuit and the medium-voltage power supply circuit, so that the output voltage can be quickly switched, different communication requirements can be met, and the waveform generation requirements of different electronic detonators can be met conveniently; the voltage regulation is carried out in a voltage-to-air voltage mode, the power supply voltage regulation speed is high in response, and the voltage output stability is better.
Description
Technical Field
The utility model relates to an electron detonator technical field, concretely relates to electron detonator exploder power bus waveform generating circuit.
Background
The communication mode of the conventional electronic detonator and the initiator for controlling the electronic detonator adopts a wired power bus mode. The communication mode of the power bus is a master-slave half-duplex mode. The communication principle is that the control end adopts a voltage modulation waveform to send signals to the controlled end, and the controlled end adopts a current feedback form to carry out information interaction with the control end.
From the whole industry, a bus modulation waveform circuit has two main modes, wherein the first mode is to transmit a voltage modulation waveform by exchanging the polarities of two lines of a power bus; and in the second mode, one pole is fixed as a common end, and the output voltage of the other pole is changed to realize the down-sending of the modulation waveform.
At present, two communication modes coexist in the market, and the output voltages of the power buses are different. The ignition control module of the electronic detonator is restricted by the structural size and the production and processing requirements, most of the electronic detonator adopts a special chip mode, a communication mechanism is solidified inside the chip, so that the compatibility of the communication mode is poor, the regulation control of output waveforms is required to be carried out through software, the speed is low, and the stability is slightly poor. Based on this, the applicant proposed a waveform generation circuit with good compatibility and good stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electronic detonator exploder power bus waveform generating circuit just for solving above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme have: the compatibility with different electronic detonator communication modes is good, and the technical effects of better stability and the like are achieved by adopting hardware to adjust the waveform, and the details are explained in the following.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of electronic detonator exploder power bus wave form generating circuit, including voltage output circuit, wave form regulating circuit and bus polarity switching circuit, wherein the output of voltage output circuit connects the input of wave form regulating circuit, the output of wave form regulating circuit connects the input of bus polarity switching circuit;
the voltage output circuit consists of a high-voltage output circuit and a medium-voltage output circuit, the high-voltage output circuit comprises a high-voltage power supply circuit and a high-voltage conduction circuit, and the output end of the high-voltage power supply circuit is connected with the input end of the high-voltage conduction circuit; the medium-voltage output circuit comprises a medium-voltage power circuit and a medium-voltage conducting circuit, and the output end of the medium-voltage power circuit is connected with the input end of the medium-voltage conducting circuit.
Preferably, the control chip of the high-voltage power supply circuit is SGM6601YTN5G/TR; the power management chip of the medium-voltage power supply circuit is SY7152ABC.
Preferably, the field effect transistor DMG3401LSN-7 is arranged in each of the high-voltage conduction circuit and the medium-voltage conduction circuit.
Preferably, the waveform adjusting circuit is provided with a field effect tube AO3480.
To sum up, the beneficial effects of the utility model reside in that: 1. the output voltage is adjusted through the high-voltage power supply circuit and the medium-voltage power supply circuit, so that the output voltage can be quickly switched, different communication requirements can be met, and the waveform generation requirements of different electronic detonators can be met conveniently;
2. the voltage regulation is carried out in a voltage-air-voltage mode, the power supply voltage regulation speed is high in response, and the voltage output stability is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a high-voltage power supply circuit of the present invention;
fig. 2 is a schematic diagram of a medium voltage power supply circuit of the present invention;
fig. 3 is a schematic diagram of the high voltage conduction circuit of the present invention;
fig. 4 is a schematic diagram of the medium voltage conduction circuit of the present invention;
FIG. 5 is a schematic diagram of the waveform adjustment circuit of the present invention;
fig. 6 is a schematic diagram of a bus polarity switching circuit according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the utility model provides an electronic detonator initiator power bus waveform generating circuit, which comprises a voltage output circuit, a waveform adjusting circuit and a bus polarity switching circuit, wherein the output end of the voltage output circuit is connected with the input end of the waveform adjusting circuit, and the output end of the waveform adjusting circuit is connected with the input end of the bus polarity switching circuit;
the voltage output circuit consists of a high-voltage output circuit and a medium-voltage output circuit, the high-voltage output circuit comprises a high-voltage power supply circuit and a high-voltage breakover circuit, and the output end of the high-voltage power supply circuit is connected with the input end of the high-voltage breakover circuit; the medium-voltage output circuit comprises a medium-voltage power circuit and a medium-voltage conducting circuit, and the output end of the medium-voltage power circuit is connected with the input end of the medium-voltage conducting circuit.
The control chip of the high-voltage power supply circuit is SGM6601YTN5G/TR, and the working principle of the high-voltage power supply circuit is as follows: the working principle is as follows: the output voltage of the DCDC boost power supply IC-U1 power supply is boosted to a basic value through R2 and R1, and the feedback point voltage of U1 is adjusted through matching of an internal IO port DAC _ PH of SGM6601YTN5G/TR and R3, so that the output voltage of the power supply is controlled, as shown in FIG. 1;
the power management chip of the medium-voltage power supply circuit is SY7152ABC; the working principle of the medium-voltage power supply circuit is as follows: the output voltage of the DCDC boost power supply IC-U2 power supply is boosted to a basic value through R7 and R10, and the voltage of a feedback point of U2 is adjusted through matching of a DAC _ PM of an internal IO port of SY7152ABC and R8, so that the output voltage of the power supply is controlled, as shown in FIG. 2;
the high-voltage conduction circuit and the medium-voltage conduction circuit are both provided with a field effect tube DMG3401LSN-7; wherein the high voltage conduction circuit has the following functions: the purpose of rapidly discharging the junction capacitance current of the MOS transistor Q17 is achieved through the PN junction of the diode D6 and the current control current characteristic of the triode Q18Q 19, so that the MOS transistor is rapidly switched on and off, as shown in figure 3; the medium voltage conduction circuit has the following functions: the purpose of quickly discharging the junction capacitance current of the MOS transistor Q20 is achieved through the PN junction of the diode D8 and the current control current characteristics of the triodes Q22 and Q24, so that the MOS transistor can be quickly switched on and off, and the structure is shown in figure 4;
the waveform adjusting circuit is provided with a field effect tube AO3480, and the waveform adjusting circuit is shown in figure 5, and the principle is as follows: the R71 current trend is used for controlling Q21 to realize rapid discharge of bus voltage, and the voltage waveform is rapidly shaped to medium voltage; then outputting basic signals of the bus in the store, wherein the basic signals realize the conversion of two-wire polarity of the power bus through a bus polarity switching circuit;
in the bus polarity switching circuit, the U4 and U5 combined mode tubes are controlled by the separated Q14, Q15 and Q16 to form an H bridge to realize polarity switching, as shown in FIG. 6.
By adopting the structure, the output voltage is adjusted through the high-voltage power supply circuit and the medium-voltage power supply circuit, so that the output voltage can be quickly switched, different communication requirements can be met, and the waveform generation requirements of different electronic detonators can be met conveniently; the voltage regulation is carried out in a voltage-to-air voltage mode, the power supply voltage regulation speed is high in response, and the voltage output stability is better.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides an electronic detonator exploder power bus wave form generating circuit which characterized in that: the device comprises a voltage output circuit, a waveform adjusting circuit and a bus polarity switching circuit, wherein the output end of the voltage output circuit is connected with the input end of the waveform adjusting circuit, and the output end of the waveform adjusting circuit is connected with the input end of the bus polarity switching circuit;
the voltage output circuit consists of a high-voltage output circuit and a medium-voltage output circuit, the high-voltage output circuit comprises a high-voltage power supply circuit and a high-voltage conduction circuit, and the output end of the high-voltage power supply circuit is connected with the input end of the high-voltage conduction circuit; the medium-voltage output circuit comprises a medium-voltage power circuit and a medium-voltage conducting circuit, and the output end of the medium-voltage power circuit is connected with the input end of the medium-voltage conducting circuit.
2. The electronic detonator initiator power bus waveform generation circuit of claim 1, wherein: the control chip of the high-voltage power supply circuit is SGM6601YTN5G/TR; the power management chip of the medium-voltage power supply circuit is SY7152ABC.
3. The electronic detonator initiator power bus waveform generation circuit of claim 1, wherein: the high-voltage conduction circuit and the medium-voltage conduction circuit are both provided with a field effect tube DMG3401LSN-7.
4. The electronic detonator initiator power bus waveform generating circuit of claim 1, wherein: the waveform adjusting circuit is provided with a field effect tube AO3480.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221865459.4U CN218097426U (en) | 2022-07-19 | 2022-07-19 | Power bus waveform generating circuit of electronic detonator initiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221865459.4U CN218097426U (en) | 2022-07-19 | 2022-07-19 | Power bus waveform generating circuit of electronic detonator initiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218097426U true CN218097426U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221865459.4U Active CN218097426U (en) | 2022-07-19 | 2022-07-19 | Power bus waveform generating circuit of electronic detonator initiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218097426U (en) |
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2022
- 2022-07-19 CN CN202221865459.4U patent/CN218097426U/en active Active
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