CN208872184U - A kind of electronic detonator component - Google Patents
A kind of electronic detonator component Download PDFInfo
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- CN208872184U CN208872184U CN201821385917.8U CN201821385917U CN208872184U CN 208872184 U CN208872184 U CN 208872184U CN 201821385917 U CN201821385917 U CN 201821385917U CN 208872184 U CN208872184 U CN 208872184U
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- detonation
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Abstract
A kind of electronic detonator component, comprising: a pair of of detonator input payment to a porter, input protector, control chip, limitation back discharge device, capacitive energy storage device and priming device；The input protector is connected with a pair of of detonator input payment to a porter, the control chip respectively；The input terminal of the limitation back discharge device connects the control chip, and output end is connect with the capacitive energy storage device；The capacitive energy storage device includes mutual capacitance and detonation capacitor, and the mutual capacitance is connect with the anode of the detonation capacitor with the limitation back discharge device, and cathode is connect with the ground pin on the control chip；The priming device is connected with detonation capacitor, control chip respectively, the electronic detonator component further includes a slow electric discharge device, one end is connect with ground wire, the other end is connect with the detonation ungrounded end of capacitor, the end is also connect with priming device ground terminal, for discharging the detonation capacitor stored energy reliable and securely.
Description
Technical field:
The utility model relates to the improvement of priming system field more particularly to a kind of pair of electronic detonator component security performance.
Background technique:
The main distinction of electric detonator and traditional electric cap is with deferrable electronic building brick instead of traditional chemistry
Delay powder, also that is, electric detonator inputs between payment to a porter and igniter head the electronics for inserting achievable extension function in a pair of of detonator
Component.
In being typically designed, when electric detonator proceeds to the ready stage, detonation capacitor has been stored needed for priming device
Energy.At this point, if stopping explosion for some reason, it is necessary to by control control instruction and its internal discharge loop of chip come
Release detonation capacitor stored energy, makes detonator be restored to safe condition.Existing technological deficiency is: if in control chip
Logical miss or its internal discharge circuit, which occurs, in portion can not work normally, then the energy stored on the capacitor that detonates will be difficult to discharge,
Detonator is brought to miss quick-fried security risk.If detonation capacitor is formed into a loop for some reason with priming device, detonation capacitor will be right
Priming device repid discharge, and then detonator non-controlling is caused to be detonated.
Utility model content:
The purpose of the utility model is to overcome the defect of the above-mentioned prior art, providing a kind of can safely slow release be risen
The electronic detonator component of quick-fried capacitor institute storage energy, improves the safety of electric detonator.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of electronic detonator component, including a pair of of detonator input payment to a porter, input protector, control chip, limitation are reversely
Electric discharge device, capacitive energy storage device and priming device, detonator input payment to a porter and receive external energy input for electronic detonator component；
Input protector is connected with a pair of of detonator input payment to a porter, control chip respectively, for improving electric detonator anti-electrostatic discharging
Characteristic and the electrical property of resistance to AC/DC；Control chip be used for receive external equipment sending instruction, to entire ignition and detonation process into
Row control；The input terminal for limiting back discharge device connects the control chip, and output end is connect with capacitive energy storage device, uses
Back discharge is carried out by the charging circuit in control chip in limiting capacitance energy storage device；Capacitive energy storage device includes work electricity
Hold and detonation capacitor, mutual capacitance are connect with the anode of detonation capacitor with limitation back discharge device, cathode and control chip
On ground pin connection, the anode of mutual capacitance also connect with power management pin, and the positive of the capacitor that detonates also is put with safety
The connection of fulgurite foot, capacitive energy storage device are used to store electronic detonator component and input the energy that payment to a porter receives by a pair of of detonator；
Priming device is connected with detonation capacitor, control chip respectively, for converting lead fire for the energy for capacitor storage of detonating
Thermal energy needed for medicament；Electronic detonator component further includes a slow electric discharge device, and one end is connect with ground wire, the other end with rise
The quick-fried ungrounded end connection of capacitor, which also connect with priming device ground terminal, for discharging the detonation capacitor reliable and securely
Stored energy.
Using the above scheme, with can will detonating on capacitor the energy security that stores slow release, to keep electric detonator extensive
Safe condition is arrived again, detonation capacitor and priming device is avoided directly to be formed into a loop, and electric detonator non-controlling is caused to be detonated.This is just
The safety for improving electric detonator enhances the troubleshooting capability of its blasting system.
Further, input protector includes a pair of of protective resistance and a pair of of zener diode, in a pair of of protective resistance
Each is connected between detonator input payment to a porter and the external energy input pin for controlling chip, a pair of of zener diode pole
Property be connected between the input payment to a porter of a pair of of detonator on the contrary.
Using the above scheme, the beneficial effect is that:
When exterior static, which inputs payment to a porter by detonator, to be acted on electronic building brick, electrostatic energy is by most of consumption one
To in protective resistance, largely reduced static discharge control chip external energy input pin on function and effect, thus
Improve the whole antistatic property of electric detonator；When external voltage is inputted in payment to a porter by detonator, pass through concatenated a pair of of guarantor
The partial pressure effect for protecting resistance, improves the resistance to AC/DC performance of electronic detonator component；Cause when certain mistake occurs for control chip
When detonation capacitive energy storage pin, detonation pin and a pair of of detonator input payment to a porter are directly connected, a pair of of protective resistance will be limited effectively
The electric current passed through on priming device processed avoids the non-controlling of electric detonator from detonating, effective guarantee electric detonator using safe
Property；When a pair of of detonator inputs payment to a porter external voltage, a pair of of zener diode passes through conduction property to forward voltage and excessively high
The avalanche breakdown effects of backward voltage, so that a pair of of detonator input payment to a porter powers on pressure and is effectively controlled, to further increase
The antistatic property of electronic detonator component and resistance to AC/DC performance.
Further, limitation back discharge device includes digital diode and detonation diode, and the anode of digital diode connects
The mutual capacitance energy storage pin on control chip is connect, cathode is connect with the ungrounded end of mutual capacitance；The anode of detonation diode
Connection detonation capacitive energy storage pin, cathode are connect with the detonation ungrounded end of capacitor.
Using the above scheme, the beneficial effect is that:
The digital diode and detonation diode for being placed outside control chip constitute reverse flow limiting protection circuit, avoid control core
The diode-built-in of piece for some reason caused by leakage phenomenon, improve capacitive energy storage device stored energy utilization rate.
Preferably, the resistance value of a pair of of protective resistance is identical, and resistance value is a kilo-ohm magnitude, and Standard resistance range is arrived in 1K Ω
It is best with 2K Ω between 10K Ω.
Using the above scheme, the beneficial effect is that:
The value of protective resistance is kilo-ohm magnitude, in the case where not influencing to control chip normal work, so that input electricity
The maximum current of sub- detonator assembly misfires initiation current much smaller than the maximum of priming device, making for electric detonator of effective guarantee
Use safety.
Preferably, the Standard resistance range of discharge resistance is best with 10M Ω between 5M Ω to 15M Ω.
Using the above scheme, the beneficial effect is that:
The discharge time for the discharge loop that discharge resistance and detonation capacitor are constituted, which is significantly larger than mutual capacitance, can maintain to control
The normal working hours of chip both can guarantee that electric detonator still can in a period of time after external energy input stops in this way
By detonation, and it can guarantee that the electric current generated on discharge resistance will not influence the work of electronic detonator component and initiation net.Wherein,
10M Ω is convenient for materials.
In conclusion the utility model has the following beneficial effects:
1. slow electric discharge device can discharge reliable and securely the detonation capacitor stored energy, so that electric detonator be made to restore
To safe condition.
2. antistatic property and the resistance to AC/DC performance of input protector raising electronic detonator component.
3. the energy limited in back discharge device limiting capacitance energy storage device is reversed by charge circuit in control chip
Release improves the utilization rate of stored energy in capacitive energy storage device.
Detailed description of the invention:
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the composition figure of the utility model electronic detonator component
Fig. 2 is the composition figure that chip is controlled in the utility model
Description of symbols
Description of symbols through the above attached drawings can be more clearly understood and illustrate this hair in conjunction with the embodiment of the present invention
Bright technical solution.
In figure, 1. detonators input payment to a porter；2. input protector；3. controlling chip；4. limiting back discharge device；5. electricity
Hold energy storage device；6. priming device；7. slow electric discharge device；8. discharge loop；21. protective resistance；22. zener diode；31.
External energy input pin；32. mutual capacitance energy storage pin；33. detonate capacitive energy storage pin；34. ground pin；35. detonation
Capacitive energy storage pin；36. power management pin；37. safe-discharge pin；41. digital diode；42. detonate diode；51.
Mutual capacitance；52. detonate capacitor；53. the ungrounded end of capacitor of detonating；54. the ungrounded end of mutual capacitance；61. priming device is grounded
End；71. discharge resistance；301. communication interface circuit；302. rectifier circuit bridge；303. charging circuit；304. power managements electricity
Road；305. initiation control circuit；306. logic control circuit；307. nonvolatile memory；308. safe discharge circuit；309.
Clock circuit；310. charging control circuit；311. reset circuit.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
It is only to be not intended to limit the invention merely for for the purpose of describing particular embodiments in terminology used in the present invention.
It is also intended in the present invention and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
The present invention will be described in detail by way of examples below.
A kind of electronic detonator component, comprising: a pair of of detonator input payment to a porter 1, input protector 2, control chip 3, limitation
Back discharge device 4, capacitive energy storage device 5 and priming device 6；The detonator input payment to a porter 1 is used for the electronic detonator component
Receive external energy input；The input protector 2 is connected with a pair of of detonator input payment to a porter 1, the control chip 3 respectively
It connects, for improving electric detonator anti-electrostatic discharging characteristic and the electrical property of resistance to AC/DC；The control chip 3 is for receiving outside
The instruction that equipment issues, controls entire ignition and detonation process；The input terminal of the limitation back discharge device 4 connects institute
Control chip 3 is stated, output end is connect with the capacitive energy storage device 5, passes through the control for limiting capacitance energy storage device 5
Charging circuit in chip 3 carries out back discharge；The capacitive energy storage device 5 includes mutual capacitance 51 and detonation capacitor 52, institute
It states mutual capacitance 51 to connect with the anode of the detonation capacitor 52 with the limitation back discharge device 4, cathode and the control
Ground pin 34 on coremaking piece 3 connects, and the anode of the mutual capacitance 51 is also connect with power management pin 36, the detonation
The anode of capacitor 52 is also connect with safe-discharge pin 37, and the capacitive energy storage device 5 is for storing the electronic detonator component
The energy that payment to a porter 1 receives is inputted by a pair of of detonator；The priming device 6 is connected with detonation capacitor 52, control chip 3 respectively
It connects, thermal energy needed for being converted into lead fire medicament for the energy that capacitor 52 stores that will detonate；The electronic detonator component is also
Including a slow electric discharge device 7, one end is connect with ground wire, and the other end is connect with the detonation ungrounded end 53 of capacitor, and the end is also
It is connect with priming device ground terminal 61, for discharging 52 stored energy of detonation capacitor reliable and securely.It is specific as follows:
The input protector 2 includes a pair of of protective resistance 21 and a pair of of zener diode 22, the pair of protection electricity
Each of resistance 21 is connected to the external energy input pin 31 of the detonator input payment to a porter 1 and the control chip 3
Between, the pair of 22 polarity of zener diode is connected on the contrary between the pair of detonator input payment to a porter 1.The limitation is anti-
It is reversed by controlling charging circuit 303 in the chip for the energy in the limiting capacitance energy storage device to electric discharge device 4
Release improves the utilization rate of stored energy in the capacitive energy storage device 5, including digital diode 41 and detonation diode 42,
Mutual capacitance energy storage pin 32 on the anode connection control chip 3 of the number diode 41, cathode is non-with mutual capacitance
Ground terminal 54 connects；The anode connection detonation capacitive energy storage pin 33 of the detonation diode 42, cathode and detonation capacitor are non-
Ground terminal 53 connects.
For those of ordinary skill in the art, control chip 3 is the prior art, and a kind of embodiment is as shown in Fig. 2, packet
Contain: communication interface circuit 301, rectifier circuit bridge 302, charging circuit 303, electric power management circuit 304, initiation control circuit
305, logic control circuit 306, nonvolatile memory 307, safe discharge circuit 308, clock circuit 309, charge control electricity
Road 310 and reset circuit 311.
The rectifier circuit bridge 302, one end lead to one end of the communication interface circuit 301, are commonly connected to institute
The external energy input pin 31 of control chip 3 is stated, external energy is input to control by the external energy input pin 31
Chip 3；The other end of the rectifier circuit bridge 302 leads to the charging circuit 303 and the charging control circuit 310, to
The two power supply, remaining one end ground line, such as Fig. 2.The rectifier circuit bridge 302 is to realize that the Double wire stepless of electric detonator connects
It connects, facilitates blast working.
The charging circuit 303, one end connects the rectifier circuit bridge 302, another to terminate to outside control chip 3
Mutual capacitance energy storage pin 32, such as Fig. 2.Above-mentioned mutual capacitance energy storage pin 32 is for controlling chip 3 to the mutual capacitance
51 charge；Also, when the external energy inputted by the external energy input pin 31 is aborted, above-mentioned work electricity
Control chip 3 will be entered by the power management pin 36 by holding the energy stored by 51, and be connected to the power management electricity
Road 304, to guarantee to control the normal work of digital circuit within a certain period of time inside the coremaking piece 3.
The charging control circuit 310, one end are connected to the rectifier circuit bridge 302, and the other end is connected to described
Logic control circuit 306, the detonation capacitive energy storage pin 33 of the control chip 3 is led in remaining one end, such as Fig. 2.The detonation
Capacitive energy storage pin 33 charges for controlling 3 pairs of detonation capacitors 52 of chip；Also, when needing to stop this time detonation, on
Control chip 3 will also be entered by safe-discharge pin 37 by stating the energy stored by detonation capacitor, and be connected to safe-discharge electricity
Road 308, for the release to stored energy in above-mentioned detonation capacitor, so that electric detonator is returned to safe condition.
The safe discharge circuit 308, one end are connected to the logic control circuit 306, and other end ground line is remaining
One end be connected on the detonation capacitive energy storage pin 33, and connect with the mutual capacitance 51.The safe discharge circuit 308
I.e. under the control of logic control circuit 306, the release to stored energy in above-mentioned detonation capacitor 52 is completed.
The electric power management circuit 304, one end are connected to the mutual capacitance energy storage pin 32, and the other end is grounded,
Remaining one end is connected to logic control circuit 306, such as Fig. 2, for storing the management to release energy to mutual capacitance 51.
The communication interface circuit 301, one end ground line, the external energy that one end is connected to outside control chip 3 are defeated
Enter pin 31, there are also one end to lead to the logic control circuit 306 for communication interface circuit 301, in addition also and non-volatile memories
Device 307 connects, such as Fig. 2.The communication interface circuit 301 to complete the communication between electric detonator and external detonation equipment, from
And realize the two-way communication of electronic detonator blasting network.
The reset circuit 311, one end ground line, one end is connected to the logic control circuit 306, such as Fig. 1.This is multiple
Position circuit 311 is used to provide original state for control chip 3, to avoid the logical miss of its inside.
The initiation control circuit 305, one end ground line, the other end lead to detonation capacitive energy storage pin 35, remaining
One end is connected to the logic control circuit 306, such as Fig. 2.The control of catch fire circuit 305 is in the logic control circuit 306
Under control, so that one end ground connection that the priming device 6 connects with the control of catch fire circuit 305, thus, above-mentioned detonation capacitor
Middle stored energy will pass through 6 quick release of priming device, detonating primer.
The clock circuit 309, one end lead to the logic control circuit 306, such as Fig. 2, so that when the extension of detonator
Between it is more accurate.
The logic control circuit 306, one end are connected to the clock circuit 309, and one end connects ground pin 34, and one
End connects the nonvolatile memory 307, and one end connects the communication interface circuit 301, and one end connects the reset circuit
311, one end connects the safe discharge circuit 308, and one end connects the initiation control circuit 305, such as Fig. 2.The logic control
Circuit processed and the clock circuit realize the extension function of detonator together.
The nonvolatile memory 307, one end are connected to the logic control circuit 306, and one end connects ground pin
34, such as Fig. 2.Electronic code, the identity sequence number for wherein storing electric detonator avoid to realize identity/Password Management
The step of mark during detonator production encodes, improves the safety of detonator production.
In the preferred embodiment of the utility model, the resistance value of a pair of of protective resistance 21 is identical, and resistance value is kilo-ohm
Magnitude, Standard resistance range is between 1K Ω to 10K Ω, preferably 2K Ω.To ensure do not influencing the control chip 3 normally
In the case where work, the detonation so that maximum that the maximum current of input electronic detonator component is much smaller than the priming device is misfired
Electric current, the effective guarantee safety in utilization of electric detonator.
In the preferred embodiment of the utility model, the Standard resistance range of the discharge resistance 71 5M Ω to 15M Ω it
Between, it is best with 10M Ω.In this way, the discharge time for the discharge loop 8 that the discharge resistance and the detonation capacitor are constituted is remote
Greater than the normal working hours that the mutual capacitance can maintain the control chip 3, after both having can guarantee that external energy input stopped
A period of time in electric detonator still can reliable initiation, and can guarantee that the electric current generated on the discharge resistance 71 will not influence
The work of the electronic detonator component and initiation net.Wherein, 10M Ω is convenient for materials.
It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, may be used also
With several improvements and modifications are made to the present invention, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (9)
1. a kind of electronic detonator component, comprising:
A pair of of detonator input payment to a porter (1), input protector (2), control chip (3), limitation back discharge device (4), capacitor
Energy storage device (5) and priming device (6)；
Detonator input payment to a porter (1) receives external energy input for the electronic detonator component；
The input protector (2) is connected with a pair of of detonator input payment to a porter (1), the control chip (3) respectively, for mentioning
High electric detonator anti-electrostatic discharging characteristic and the electrical property of resistance to AC/DC；
Control chip (3) is used to receive the instruction of external equipment sending, controls entire ignition and detonation process；
The input terminal of limitation back discharge device (4) connects the control chip (3), output end and the capacitive energy storage
Device (5) connection is reversely put for limiting capacitance energy storage device (5) by the charging circuit in control chip (3)
Electricity；
The capacitive energy storage device (5) include mutual capacitance (51) and detonation capacitor (52), the mutual capacitance (51) with it is described
The anode of detonation capacitor (52) is connect with the limitation back discharge device (4), the ground on cathode and control chip (3)
The anode of spool foot (34) connection, the mutual capacitance (51) is also connect with power management pin (36), the detonation capacitor
(52) anode is also connect with safe-discharge pin (37), and the capacitive energy storage device (5) is for storing the electric detonator group
Part passes through the energy that a pair of of detonator input payment to a porter (1) receives；
The priming device (6) is connected with detonation capacitor (52), control chip (3) respectively, for capacitor (52) storage that will detonate
Thermal energy needed for the energy deposited is converted into lead fire medicament；
It is characterized by:
The electronic detonator component further includes a slow electric discharge device (7), and one end is connect with ground wire, the other end and detonation electricity
Hold ungrounded end (53) connection, which also connect with priming device ground terminal (61), for discharging the detonation reliable and securely
Capacitor (52) stored energy.
2. electronic detonator component described in accordance with the claim 1, it is characterised in that:
The input protector (2) includes a pair of of protective resistance (21) and a pair of of zener diode (22), the pair of protection
Each of resistance (21) is connected to detonator input payment to a porter (1) and the external energy of control chip (3) is defeated
Enter between pin (31), the pair of zener diode (22) polarity is connected on the pair of detonator input payment to a porter (1) on the contrary
Between.
3. electronic detonator component described in accordance with the claim 1, it is characterised in that:
The limitation back discharge device (4) includes digital diode (41) and detonation diode (42), the number diode
(41) the mutual capacitance energy storage pin (32) on anode connection control chip (3), cathode is ungrounded with mutual capacitance
Hold (54) connection；The anode of detonation diode (42) connects the detonation capacitive energy storage pin (33), cathode with it is described
The detonation ungrounded end of capacitor (53) connection, limitation back discharge device (4) is for the energy in limiting capacitance energy storage device
It is reversely discharged by charge circuit in control chip (3), improves the utilization rate of stored energy in capacitive energy storage device.
4. electronic detonator component according to claim 2, it is characterised in that:
The resistance value of the pair of protective resistance (21) is identical, and resistance value is a kilo-ohm magnitude.
5. electronic detonator component described in accordance with the claim 1, it is characterised in that:
The slow electric discharge device (7) includes a discharge resistance (71), and resistance value is megohm magnitude.
6. according to electronic detonator component described in claim 2 or 4, it is characterised in that:
The Standard resistance range of the protective resistance (21) is between 1K Ω to 10K Ω.
7. electronic detonator component according to claim 6, it is characterised in that:
The resistance value of the protective resistance (21) is 2K Ω.
8. electronic detonator component according to claim 5, it is characterised in that:
The Standard resistance range of the discharge resistance (71) is between 5M Ω to 15M Ω.
9. according to electronic detonator component described in claim 5 or 8, it is characterised in that:
The resistance value of the discharge resistance (71) is 10M Ω.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821385917.8U CN208872184U (en) | 2018-08-27 | 2018-08-27 | A kind of electronic detonator component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821385917.8U CN208872184U (en) | 2018-08-27 | 2018-08-27 | A kind of electronic detonator component |
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| CN208872184U true CN208872184U (en) | 2019-05-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207635A (en) * | 2020-03-18 | 2020-05-29 | 融硅思创(北京)科技有限公司 | Safe digital electronic detonator chip and detonator with automatic discharging function |
| CN111623676A (en) * | 2020-06-05 | 2020-09-04 | 无锡盛景电子科技有限公司 | Coal mine allowable delay combined detonator |
| CN113405416A (en) * | 2021-07-15 | 2021-09-17 | 无锡盛景微电子股份有限公司 | Intrinsic safety circuit and time delay device for electronic detonator |
-
2018
- 2018-08-27 CN CN201821385917.8U patent/CN208872184U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207635A (en) * | 2020-03-18 | 2020-05-29 | 融硅思创(北京)科技有限公司 | Safe digital electronic detonator chip and detonator with automatic discharging function |
| CN111623676A (en) * | 2020-06-05 | 2020-09-04 | 无锡盛景电子科技有限公司 | Coal mine allowable delay combined detonator |
| CN113405416A (en) * | 2021-07-15 | 2021-09-17 | 无锡盛景微电子股份有限公司 | Intrinsic safety circuit and time delay device for electronic detonator |
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