CN211425227U - Novel charging initiation circuit based on bus communication - Google Patents
Novel charging initiation circuit based on bus communication Download PDFInfo
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- CN211425227U CN211425227U CN201921975402.8U CN201921975402U CN211425227U CN 211425227 U CN211425227 U CN 211425227U CN 201921975402 U CN201921975402 U CN 201921975402U CN 211425227 U CN211425227 U CN 211425227U
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Abstract
The utility model relates to an electron detonator technical field specifically discloses a novel detonating circuit that charges based on bus communication, and this circuit includes: the capacitor charging circuit is provided with a voltage input end, a charging path and an output end, wherein the output end is connected with the energy storage capacitor and used for charging the energy storage capacitor; the capacitor discharging circuit is connected with the charging path of the capacitor charging circuit and used for discharging the energy storage capacitor; the detonation circuit is connected to the output end of the capacitor charging circuit, is used for discharging energy in the energy storage capacitor, and is provided with a capacitor charging detection path. The capacitor charging detection circuit and the MOS switch can monitor and control the charging function of the capacitor charging circuit on the energy storage capacitor, and the operation of the detonation circuit is efficient, stable and reliable.
Description
Technical Field
The utility model relates to a blasting technical field specifically discloses a novel detonating circuit that charges based on bus communication.
Background
The traditional powder detonator and the traditional electric detonator can expose the problem of self insecurity in the actual use process due to the fact that electric energy is stored in the capacitor, the microcrystalline chip electronic detonator (hereinafter referred to as electronic detonator) is produced at the same time, and the electronic detonator can completely replace the traditional detonator in the future along with the development requirements of the civil explosion industry and the continuous promotion of the national government layer on the safety control requirements.
The main core function of the electronic detonator is to ignite the ignition powder head by heating of the heating resistance wire. The electronic detonator is characterized by small volume and large quantity of networking, so the current to a circuit network is low, the ignition powder head can be ignited only when the current requirement at the moment of heating the resistance wire is large, and the existing initiation circuit of the electronic detonator is unstable and is easy to generate false initiation.
Therefore, the technical personnel in the field are dedicated to develop a stable, reliable, efficient and stable electronic detonator priming circuit.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel priming circuit that charges based on bus communication to the priming circuit of solving current electronic detonator is unstable, takes place the problem of mistake initiation easily.
In order to achieve the above object, the basic scheme of the utility model is:
a novel charging initiation circuit based on bus communication comprises:
the capacitor charging circuit is provided with a voltage input end, a charging path and an output end, wherein the output end is connected with the energy storage capacitor and used for charging the energy storage capacitor;
the capacitor discharging circuit is connected with the charging path of the capacitor charging circuit and used for discharging the energy storage capacitor;
and the detonation circuit is connected with the output end of the capacitor charging circuit, is used for discharging energy in the energy storage capacitor and is provided with a capacitor charging detection path.
Optionally, a charging path of the capacitor charging circuit is provided with a capacitor charging switch, the capacitor charging switch is an MOS transistor, a source of the MOS transistor of the capacitor charging switch is connected to a voltage input terminal of the capacitor charging circuit through a resistor, a drain of the MOS transistor of the capacitor charging switch is connected to an output terminal of the capacitor charging circuit through a resistor, and a gate of the MOS transistor of the capacitor charging switch is connected to the charging switch circuit; and a resistor is connected in parallel between the source electrode and the grid electrode of the capacitor charging switch MOS tube.
Optionally, the charging switch circuit has a charging switch, the charging switch is an MOS transistor, a source of the charging switch MOS transistor is connected to a gate of the capacitor charging switch MOS transistor, a drain of the charging switch MOS transistor is grounded, and the gate of the charging switch MOS transistor is connected to the first level input source.
Optionally, the capacitor discharge circuit has a discharge switch, the discharge switch is an MOS transistor, a source of the discharge switch MOS transistor is connected to the charge path of the capacitor charge circuit, a drain thereof is grounded, a gate thereof is connected to the third level input source through a resistor, and a capacitor is connected in parallel between the drain and the gate of the discharge switch MOS transistor.
Optionally, one end of the energy storage capacitor is connected to the output end of the capacitor charging circuit, and the other end of the energy storage capacitor is grounded.
Optionally, the detonation circuit comprises:
the detonation source is used for discharging energy in the charging capacitor to complete detonation work and comprises a first detonation source and a second detonation source, and the first detonation source and the second detonation source are connected to the output end of the capacitor charging circuit through a resistor;
the capacitor charging detection circuit is used for monitoring the charging function of the energy storage capacitor and comprises a first detonation resistor, a second detonation resistor and a capacitor charging detection branch circuit between the first detonation resistor and the second detonation resistor, wherein the first detonation resistor is connected with the first detonation source, and the second detonation resistor is connected with the energy storage capacitor.
Optionally, two ends of the capacitor charging detection path are connected in parallel with a detonation switch, the detonation switch is an MOS transistor, a source of the detonation switch MOS transistor is connected to the first detonation source, a drain of the detonation switch MOS transistor is connected to the energy storage capacitor, and a gate of the detonation switch MOS transistor is connected to the second level input source through a resistor.
Optionally, the gate of the detonation switch MOS transistor is connected in parallel with a resistor and a capacitor, and the other end of the detonation switch MOS transistor is grounded.
The working principle and the beneficial effects of the basic scheme are as follows: the capacitor charging detection circuit and the MOS switch can monitor and control the charging function of the capacitor charging circuit on the energy storage capacitor, and the operation of the detonation circuit is efficient, stable and reliable.
Drawings
Fig. 1 is a schematic block diagram of a novel charging initiation circuit based on bus communication according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a novel charging initiation circuit based on bus communication according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a capacitor charging circuit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a capacitor discharge circuit according to an embodiment of the present invention;
fig. 5 is a circuit diagram of an initiation circuit according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
as shown in fig. 1, a novel charging initiation circuit based on bus communication includes:
the capacitor charging circuit is provided with a voltage input end, a charging path and an output end, wherein the output end is connected with the energy storage capacitor and used for charging the energy storage capacitor;
the capacitor discharging circuit is connected with the charging path of the capacitor charging circuit and used for discharging the energy storage capacitor;
the detonation circuit is connected to the output end of the capacitor charging circuit, is used for discharging energy in the energy storage capacitor, and is provided with a capacitor charging detection loop.
In an embodiment, as shown in fig. 2 and 3, the charging path of the capacitor charging circuit has a capacitor charging switch, the capacitor charging switch is an MOS transistor, a source of the MOS transistor is connected to the voltage input terminal of the capacitor charging circuit through a resistor, a drain of the MOS transistor is connected to the output terminal of the capacitor charging circuit through a resistor, and a gate of the MOS transistor is connected to the charging switch circuit; and a resistor is connected in parallel between the source electrode and the grid electrode of the capacitor charging switch MOS tube.
In an embodiment, as shown in fig. 2 and fig. 3, the charging switch circuit has a charging switch, the charging switch is an MOS transistor, a source of the charging switch MOS transistor is connected to a gate of the capacitor charging switch MOS transistor, a drain of the charging switch MOS transistor is grounded, and the gate of the charging switch MOS transistor is connected to the first level input source.
In an embodiment, as shown in fig. 2 and 4, the capacitor discharging circuit has a discharging switch, the discharging switch is a MOS transistor, a source of the discharging switch MOS transistor is connected to the charging path of the capacitor charging circuit, a drain thereof is grounded, a gate thereof is connected to the third level input source through a resistor, and a capacitor is connected in parallel between the drain and the gate of the discharging switch MOS transistor.
In an embodiment, as shown in fig. 2 to 5, one end of the energy storage capacitor is connected to the output end of the capacitor charging circuit, and the other end is grounded.
In one embodiment, as shown in fig. 2 and 5, the detonation circuit includes:
the detonation source is used for discharging energy in the charging capacitor to complete detonation work and comprises a first detonation source and a second detonation source, and the first detonation source and the second detonation source are connected to the output end of the capacitor charging circuit through a resistor;
the capacitor charging detection circuit is used for monitoring the charging function of the energy storage capacitor and comprises a first detonation resistor, a second detonation resistor and a capacitor charging detection branch circuit between the first detonation resistor and the second detonation resistor, wherein the first detonation resistor is connected with the first detonation source, and the second detonation resistor is connected with the energy storage capacitor.
In an embodiment, as shown in fig. 2 and 5, two ends of the capacitor charging detection path are connected in parallel with a detonation switch, the detonation switch is an MOS transistor, a source of the detonation switch MOS transistor is connected to the first detonation source, a drain of the detonation switch MOS transistor is connected to the energy storage capacitor, and a gate of the detonation switch MOS transistor is connected to the second level input source through a resistor.
In one embodiment, as shown in fig. 2 and 5, the gate of the detonation switch MOS transistor is connected in parallel with a resistor and a capacitor, and the other end of the detonation switch MOS transistor is commonly grounded.
A capacitor charging circuit, as shown in fig. 3:
v + is the voltage input end, is connected with energy storage capacitor C5 through resistance R8, capacitor charging switch Q4, resistance R13, and the other end ground connection of energy storage capacitor.
The capacitor charging switch Q4 is a MOS transistor, and has a source connected to the resistor R8, a drain connected to the resistor R13, a gate connected to the charging switch Q3A, and a resistor R9 connected in parallel between the source and the gate of the charging switch.
The charging switch Q3A is a MOS transistor, and has a source connected to the gate of the capacitor charging switch Q4, a drain connected to ground, and a gate connected to the first level input source STP 1.
When the circuit electronic module normally operates, when the first level input source STP1 outputs a high level, the charging switch Q3A is turned on, the charging switch Q3A is turned on to turn on the capacitor charging switch Q4 connected thereto, and after the capacitor charging switch Q4 is turned on, the voltage input end V + charges the energy storage capacitor C5 through R8 and R13.
Capacitive discharge circuit, as shown in fig. 4:
the three-level power supply comprises a discharge switch Q3B, a resistor R3, a third level input source STP3 and a capacitor C9.
The discharge switch Q3B is a MOS transistor, and has a source connected between the drain of the capacitor charge switch Q4 and the resistor R13, a drain grounded, a gate connected to the resistor R3, a resistor R3 connected to the third level input source STP3, a capacitor C9 having one end connected to the gate of the discharge switch Q3B and the other end connected to the drain of the discharge switch Q3B.
When the circuit needs to discharge the energy storage capacitor C5, the first level input source STP1 is set low to output low level, the charging switch Q3A and the capacitor charging switch Q4 are switched off, and the energy storage capacitor C5 is prevented from being charged; the third level input source STP3 is set high to output a high level, the discharge switch Q3B is turned on, and the energy storage capacitor C5 is discharged through R13.
The priming circuit, as shown in fig. 5:
the ignition circuit comprises a first ignition source, a second ignition source, a capacitance charging detection circuit, an ignition switch Q2, a second level input source STP2, a resistor R7, a resistor R12 and a capacitor C10.
The first detonation source and the second detonation source are connected to the output end of the capacitor charging circuit together through a resistor R14.
The capacitor charging detection path is formed by sequentially connecting a first detonation resistor R10, a capacitor charging detection branch SIN _ AD and a second detonation resistor R11 in series, the first detonation resistor R10 is connected with a first detonation source, and the second detonation resistor R11 is connected with the grounding end of the energy storage capacitor C5.
The firing switch Q2 is a MOS transistor, the source thereof is connected to the first firing source together with the first firing resistor R10, the drain thereof is connected to
The second firing resistor R11 is connected together to the ground terminal of the energy storage capacitor C5, and the gate thereof is connected to the second level input source STP2 via the resistor R7. The resistor R12 and the capacitor C10 are connected in parallel with the grid of the ignition switch Q2, and the other ends are connected to the ground in common.
When the energy of the energy storage capacitor C5 is fully charged, the capacitor charging switch Q4 is turned off, so that the capacitor charging switch C5 stops charging. The second level input source STP2 is set high to output high level, the detonation switch Q2 is turned on, and the electric energy stored in the energy storage capacitor C5 is transmitted to the first detonation source and the second detonation source to be released, so that the detonation purpose is achieved.
Whether the capacitor charging function is normal or not and whether the bridge wire component is normal or not are judged through the change of the voltage value of the capacitor charging detection branch SIN _ AD, so that the circuit can operate stably and reliably.
The system can operate normally efficiently and stably by controlling functions in a MOS switch control mode.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.
Claims (8)
1. The utility model provides a novel detonating circuit that charges based on bus communication which characterized in that: the circuit includes:
the capacitor charging circuit is provided with a voltage input end, a charging path and an output end, wherein the output end is connected with the energy storage capacitor and used for charging the energy storage capacitor;
the capacitor discharging circuit is connected with the charging path of the capacitor charging circuit and used for discharging the energy storage capacitor;
and the detonation circuit is connected with the output end of the capacitor charging circuit, is used for discharging energy in the energy storage capacitor and is provided with a capacitor charging detection path.
2. The novel charging initiation circuit of claim 1, wherein: the charging path of the capacitor charging circuit is provided with a capacitor charging switch which is an MOS (metal oxide semiconductor) tube, the source electrode of the MOS tube of the capacitor charging switch is connected with the voltage input end of the capacitor charging circuit through a resistor, the drain electrode of the MOS tube of the capacitor charging switch is connected with the output end of the capacitor charging circuit through a resistor, and the grid electrode of the MOS tube of the capacitor charging switch is connected with a charging switch circuit; and a resistor is connected in parallel between the source electrode and the grid electrode of the capacitor charging switch MOS tube.
3. The novel charging initiation circuit of claim 2, wherein: the charging switch circuit is provided with a charging switch, the charging switch is an MOS (metal oxide semiconductor) tube, a source electrode of the charging switch MOS tube is connected with a grid electrode of the capacitor charging switch MOS tube, a drain electrode of the charging switch MOS tube is grounded, and the grid electrode of the charging switch MOS tube is connected with a first level input source.
4. The novel charging initiation circuit of claim 1, wherein: the capacitor discharge circuit is provided with a discharge switch which is an MOS (metal oxide semiconductor) tube, the source electrode of the MOS tube of the discharge switch is connected with the charge path of the capacitor charge circuit, the drain electrode of the MOS tube of the discharge switch is grounded, the grid electrode of the MOS tube of the discharge switch is connected with the third level input source through a resistor, and a capacitor is connected in parallel between the drain electrode and the grid electrode of the MOS tube of the discharge switch.
5. The novel charging initiation circuit of claim 1, wherein: one end of the energy storage capacitor is connected to the output end of the capacitor charging circuit, and the other end of the energy storage capacitor is grounded.
6. The novel charging initiation circuit of claim 1, wherein: the detonation circuit comprises:
the detonation source is used for discharging energy in the energy storage capacitor to complete detonation work and comprises a first detonation source and a second detonation source, and the first detonation source and the second detonation source are connected to the output end of the capacitor charging circuit through a resistor;
the capacitor charging detection circuit is used for monitoring the charging function of the energy storage capacitor and comprises a first detonation resistor, a second detonation resistor and a capacitor charging detection branch circuit between the first detonation resistor and the second detonation resistor, wherein the first detonation resistor is connected with the first detonation source, and the second detonation resistor is connected with the energy storage capacitor.
7. The novel charging initiation circuit of claim 6, wherein: and two ends of the capacitor charging detection path are connected in parallel with a detonation switch, the detonation switch is an MOS (metal oxide semiconductor) tube, the source electrode of the detonation switch MOS tube is connected with the first detonation source, the drain electrode of the detonation switch MOS tube is connected with the energy storage capacitor, and the grid electrode of the detonation switch MOS tube is connected with a second level input source through a resistor.
8. The novel charging initiation circuit of claim 7, wherein: the grid of the detonation switch MOS tube is connected in parallel with a resistor and a capacitor, and the other end of the detonation switch MOS tube is grounded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975402.8U CN211425227U (en) | 2019-11-15 | 2019-11-15 | Novel charging initiation circuit based on bus communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975402.8U CN211425227U (en) | 2019-11-15 | 2019-11-15 | Novel charging initiation circuit based on bus communication |
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| Publication Number | Publication Date |
|---|---|
| CN211425227U true CN211425227U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921975402.8U Active CN211425227U (en) | 2019-11-15 | 2019-11-15 | Novel charging initiation circuit based on bus communication |
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| CN (1) | CN211425227U (en) |
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- 2019-11-15 CN CN201921975402.8U patent/CN211425227U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of charging initiation circuit based on bus communication Effective date of registration: 20220801 Granted publication date: 20200904 Pledgee: CITIC Bank, Limited by Share Ltd, Chongqing branch Pledgor: Chongqing Yunming Technology Co.,Ltd. Registration number: Y2022500000051 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230516 Granted publication date: 20200904 Pledgee: CITIC Bank, Limited by Share Ltd, Chongqing branch Pledgor: Chongqing Yunming Technology Co.,Ltd. Registration number: Y2022500000051 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |