CN201218703Y - Electronic detonator control chip - Google Patents
Electronic detonator control chip Download PDFInfo
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- CN201218703Y CN201218703Y CNU200820111270XU CN200820111270U CN201218703Y CN 201218703 Y CN201218703 Y CN 201218703Y CN U200820111270X U CNU200820111270X U CN U200820111270XU CN 200820111270 U CN200820111270 U CN 200820111270U CN 201218703 Y CN201218703 Y CN 201218703Y
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Abstract
The utility model provides an electronic detonator control chip, comprising a rectifier bridge circuit, with one end communicating with one end of a communicating interface circuit and the other end connected with the ground; a charging circuit, with one end connected with the rectifier bridge circuit, and the other end communicated with the outside to constitute a pin; a safe discharging circuit, with one end connected with the pin; a power management circuit, with one end connected with the pin and the other end communicated with the outside; a communicating interface circuit, with one end connected with the pin and the other end connected with the pin; a reset circuit, with one end connected with a logic control circuit; a fired control circuit, with one end connected with the ground, and the other end connected with the logic control circuit; a clock circuit; communicating with the logic control circuit; a logic control circuit, connected with the fired control circuit; a non-volatile memory, connected with a power output end of the chip. Therefore, the electronic detonator control chip realizes functions of double wire non-polarity connection, two way communication, built-in identity codes, authorization detonation, online program in delay time and the like.
Description
Technical field
The utility model relates to a kind of electronic detonator control chip, belongs to priming system manufacturing technology field.
Background technology
The common electrical detonator adopts the extension body to realize the delay initiation function, and this design not only delay precision is poor, and the time of extension is also immutable.In addition, owing to contain delay powder and plumbous such heavy metal in the extension body, heavy metal can be scattered and lost after the use of detonator, and the delay powder burning can cause environmental pollution.The initiation process of common electrical detonator is uncontrollable, and energising promptly enters the flow process of detonating, and is irreversible, meets emergency and then can not interrupt.In addition, payment to a porter is connected with detonator because igniter head is direct, and static, radio frequency, the external disturbance such as spreading electric current of mixing directly influence the security of detonator production, storage and use.
Under traditional system and technology, the management inconvenience control of current general detonator, unwarranted personnel might touch these class dangerous material of detonator, therefore the detonator that causes runs off must influence the safety of society, so the mode of the mark coding on primer casing of China's employing is at present strengthened the management to detonator.But can influence the production safety of detonator to the physical action process of primer casing mark coding.In addition, the mark coding does not solve the controllability problem of the use and management of detonator equally.
Summary of the invention
Because the existing above-mentioned many defectives of common electrical detonator, from last century the eighties begin, many developed countries begin one's study based on the electric detonator of circuit engineering and microelectric technique.The main intention of electric detonator is: insert the electric detonator controller circuit board between detonator payment to a porter and igniter, isolate the connection between detonator payment to a porter and igniter head, make the initiation process of detonator controlled.Electronic detonator control chip is the core component of this circuit board, and the utility model then provides a kind of electronic detonator control chip.
The purpose of this utility model is to address the aforementioned drawbacks, and realizes that the nonpolarity connection of two-wire, detonator and the two-way communication between the equipment of detonating, built-in detonator identity code, initiation process are controlled, the electronic detonator control chip of defer time online programming but provide a kind of.
Concrete scheme is as follows:
A kind of electronic detonator control chip comprises: communication interface circuit, rectifier circuit bridge, charging circuit, electric power management circuit, ignition control circuit, logic control circuit, nonvolatile memory, reset circuit, safe discharge circuit, clock circuit.
Described rectifier circuit bridge, one end are led to one of communication interface circuit end, constitute the pin one that a cover leads to described chip exterior jointly; The other end of described rectifier circuit bridge leads to described charging circuit, all the other end ground connection.The existence of rectifier circuit bridge can nonpolarityly connect the electric detonator payment to a porter, has eliminated the danger that electric detonator payment to a porter reversal connection causes electronic detonator control chip to damage, and makes things convenient for the blasting engineering construction.
Described charging circuit, the one end connects described rectifier circuit bridge, and the other end leads to described electric power management circuit, also leads to described safe discharge circuit simultaneously, and this end also leads to described chip exterior to constitute a set of pins two.
Described safe discharge circuit, the one end is connected to described logic control circuit, other end ground connection, a remaining end is connected on the described pin two.
Described electric power management circuit, one end are connected to described pin two, other end ground connection, and all the other ends constitute the power output end pin four of described chip, lead to outside the described chip.
Described communication interface circuit, one end ground connection, an end connects described pin one, one end and leads to described logic control circuit, and remaining end is connected to described pin four.The existence of communication interface has realized the information interaction of electric detonator and the outside equipment that detonates, but has made the electric detonator online programming.Equipment is detonated to the control of blasting cap initiation process in the outside of having realized electric detonator, makes the electric detonator initiation process safer.
Described reset circuit, one end ground connection, an end is connected to described pin four, and remaining end is connected to described logic control circuit.
Described ignition control circuit, one end ground connection, the other end leads to described chip outward to constitute a set of pins three, and this pin is connected to detonator igniter head of chip exterior, and remaining end is connected to described logic control circuit.This has just isolated igniter head and has been in being connected of outside detonator payment to a porter, thereby has completely cut off interference and the influence to igniter head safety such as static, radio frequency, stray electrical current, makes the storage of electric detonator and uses safer.Because the control circuit of getting angry is subjected to the control of described logic control circuit, even chip is used for the energy that the energy storage device of igniter head and chip operation is filled with is enough to detonating primer outward, detonator also externally could be ignited under the control of the special-purpose equipment that detonates, therefore realized management, made initiation process safer the energy that detonates.
Described clock circuit, the one end is connected to the power output end of described chip, and promptly pin four, and the other end leads to described logic control circuit.It has been arranged, made defer time more accurately, more can operate.
Described logic control circuit, the one end is connected to described clock circuit, one end connects the power output end of described chip, be pin four, one end ground connection, an end connects described nonvolatile memory, one end connects described communication interface circuit, one end connects described reset circuit, and an end connects described safe discharge circuit, and an end connects described ignition control circuit.It and clock circuit are realized the extension function of detonator together.The existence that this has just been avoided delay powder has reduced the use of heavy metal, alleviates environmental pollution.
Described nonvolatile memory, an end connects the power output end of described chip, and promptly pin four, one ends are connected to described logic control circuit, an end ground connection.Wherein also store electronic code, the identity sequence number of electric detonator, thereby realized identity/Password Management.Avoid the step of the mark coding in the detonator production process, improved the security that detonator is produced.
On the other hand, described charging circuit comprises the resistance and a diode of connecting, the described chip exterior of the cathode directed of described diode.So design, purpose is the metering function by this resistance, prevents the impact of electric current to the electric detonator bus; By the reverse metering function of diode, thereby when preventing that externally fed from interrupting, the electric capacity in the outer energy storage device of chip is by the discharge of charging circuit direction.Described resistance is 1～10 kilo-ohm, and purpose is a Current Control in the milliampere rank, prevents that electric current is excessive, influences the reliability of system.
On the other hand, described safe discharge circuit comprises a resistance and a NMOS pipe, the source electrode of described NMOS pipe and substrate ground connection, drain electrode is connected to the described pin that described charging circuit leads to described chip exterior through described resistance, and grid is connected to described logic control circuit.Described resistance is 1～10 kilo-ohm.Detonate in the SBR, after charging prepares to detonate to the electric capacity in the energy storage device outside the chip, when hindering desire interruption initiation process for some reason, then the tele-release in the electric capacity is fallen by this safe discharge circuit.This just improves the troubleshooting capability of electric detonator.
At last, described ignition control circuit comprises a NMOS pipe, the source electrode of described NMOS pipe and substrate ground connection, and described chip exterior is led in drain electrode, constitutes described pin, and grid is connected to described logic control circuit.The detonator payment to a porter path that this has just isolated igniter head and has been in chip exterior prevents the influence of external factor such as static, radio frequency and stray electrical current to security of system.In addition, also realized the controllability of ignition process.
Description of drawings
Fig. 1 is the total layout block diagram of electronic detonator control chip described in the utility model;
Fig. 2 is the charging circuit in the electronic detonator control chip described in the utility model;
Fig. 3 is the safe discharge circuit in the electronic detonator control chip described in the utility model;
Fig. 4 is the ignition control circuit in the electronic detonator control chip described in the utility model.
The specific embodiment
A kind of electronic detonator control chip 100, as part in the frame of broken lines among Fig. 1, comprise: communication interface circuit 101, rectifier circuit bridge 102, charging circuit 103, electric power management circuit 104, ignition control circuit 105, logic control circuit 106, nonvolatile memory 107, reset circuit 110, safe discharge circuit 108, clock circuit 202.
Described rectifier circuit bridge 102, one end are led to one of communication interface circuit 101 end, and the pin one that common formation is led to described chip 100 outsides, pin one connect the outer electric detonator payment to a porter 201 of chip, and external electric energy is input in the chip 100 by payment to a porter 201; The other end of described rectifier circuit bridge 102 leads to described charging circuit 103, and all the other end ground connection are as Fig. 1.
Described charging circuit 103, the one end connects described rectifier circuit bridge 102, the other end leads to described electric power management circuit 104, also leads to described safe discharge circuit 108 simultaneously, and this end also leads to described chip 100 outsides to constitute pin two, pin two connects the energy storage device 203 outside the chip 100, it is presented as a single capacitor circuit, this electric capacity one end ground connection, the igniter head in other end connecting leg pin 2 and the electric detonator, be igniter 204, as Fig. 1.And Fig. 2 represents the structure of this charging circuit inside, and it comprises the resistance 301 and a diode 302 of connecting, cathode directed chip 100 outsides of described diode.Described resistance is 1～10 kilo-ohm.
Described safe discharge circuit 108, one end are connected to described logic control circuit 106, other end ground connection, and a remaining end is connected on the described pin two, as Fig. 1.In Fig. 3, described safe discharge circuit 108, comprise a resistance 801 and a NMOS pipe 802, the source electrode and the substrate ground connection of described NMOS pipe 802, drain electrode is connected to the described pin two that described charging circuit 103 leads to described chip 100 outsides through described resistance 801, connect energy storage device 203 through pin two, grid is connected to described logic control circuit 106.Described resistance is 1～10 kilo-ohm.
Described electric power management circuit 104, the one end is connected to described pin two, other end ground connection, all the other ends constitute the power output end pin 4 of described chip 100, lead to outside the described chip 100, provide power supply to chip 100 outsides.
Described communication interface circuit 101, one end ground connection, an end connects described pin one, and an end leads to described logic control circuit 106, and remaining end is connected to described pin 4.
Described reset circuit 110, one end ground connection, an end is connected to described pin 4, and remaining end is connected to described logic control circuit 106.
Described ignition control circuit 105, one end ground connection, the other end are led to described chip 100 outward to constitute pin 3, lead to detonator igniter head through pin 3 then, be the igniter 204 of chip 100 outsides among Fig. 1 and Fig. 4, remaining end is connected to described logic control circuit 106.Described ignition control circuit 105 comprises a NMOS pipe 802, the source electrode and the substrate ground connection of described NMOS pipe 802, and described chip 100 outsides are led in drain electrode, constitute described pin 3, and grid is connected to described logic control circuit 106, as Fig. 4.
Described clock circuit 202, one end are connected to the power output end pin 4 of described chip 100, and the other end leads to described logic control circuit 106.
Described logic control circuit 106, the one end is connected to described clock circuit 202, one end connects the power output end pin 4 of described chip 100, one end ground connection, one end connects described nonvolatile memory 107, one ends and connects described communication interface circuit 101, one ends and connect described reset circuit 110, one end connects described safe discharge circuit 108, one ends and connects described ignition control circuit 105.It and clock circuit 202 constitute the extension circuit that detonates together.
Power output end pin 4, one ends that described nonvolatile memory 107, one ends connect described chip 100 are connected to described logic control circuit 106, one end ground connection.
Claims (5)
1. electronic detonator control chip is characterized in that:
Comprise: communication interface circuit, rectifier circuit bridge, charging circuit, electric power management circuit, ignition control circuit, logic control circuit, nonvolatile memory, reset circuit, safe discharge circuit, clock circuit;
Described rectifier circuit bridge, one end are led to one of communication interface circuit end, constitute the pin one that a cover leads to described chip exterior jointly; The other end of described rectifier circuit bridge leads to described charging circuit, all the other end ground connection;
Described charging circuit, the one end connects described rectifier circuit bridge, and the other end leads to described electric power management circuit, also leads to described safe discharge circuit simultaneously, and this end also leads to described chip exterior to constitute a set of pins two;
Described safe discharge circuit, the one end is connected to described logic control circuit, other end ground connection, a remaining end is connected on the described pin two;
Described electric power management circuit, one end are connected to described pin two, other end ground connection, and all the other ends constitute the power output end pin four of described chip, lead to outside the described chip;
Described communication interface circuit, one end ground connection, an end connects described pin one, one end and leads to described logic control circuit, and remaining end is connected to described pin four;
Described reset circuit, one end ground connection, an end is connected to described pin four, and remaining end is connected to described logic control circuit;
Described ignition control circuit, one end ground connection, it is outer to constitute a set of pins three that the other end leads to described chip, and remaining end is connected to described logic control circuit;
Described clock circuit, one end are connected to described pin four, and the other end leads to described logic control circuit;
Described logic control circuit, the one end is connected to described clock circuit, one end connects described pin four, one end ground connection, one end connects described nonvolatile memory, and an end connects described communication interface circuit, and an end connects described reset circuit, one end connects described safe discharge circuit, and an end connects described ignition control circuit;
Described nonvolatile memory, an end connect described pin four, one ends and are connected to described logic control circuit, an end ground connection.
2. according to the described electronic detonator control chip of claim 1, it is characterized in that:
Described charging circuit comprises the resistance and a diode of connecting, the described chip exterior of the cathode directed of described diode.
3. according to the described electronic detonator control chip of claim 1, it is characterized in that:
Described safe discharge circuit comprises a resistance and a NMOS pipe, the source electrode of described NMOS pipe and substrate ground connection, and drain electrode is connected to the described pin that described charging circuit leads to described chip exterior through described resistance, and grid is connected to described logic control circuit.
4. according to the described electronic detonator control chip of claim 1, it is characterized in that:
Described ignition control circuit comprises a NMOS pipe, the source electrode of described NMOS pipe and substrate ground connection, and described chip exterior is led in drain electrode, constitutes described pin, and grid is connected to described logic control circuit.
5. according to claim 2 or 3 described electronic detonator control chips, it is characterized in that:
Described resistance is 1～10 kilo-ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820111270XU CN201218703Y (en) | 2008-04-28 | 2008-04-28 | Electronic detonator control chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820111270XU CN201218703Y (en) | 2008-04-28 | 2008-04-28 | Electronic detonator control chip |
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| Publication Number | Publication Date |
|---|---|
| CN201218703Y true CN201218703Y (en) | 2009-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820111270XU Expired - Lifetime CN201218703Y (en) | 2008-04-28 | 2008-04-28 | Electronic detonator control chip |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813444A (en) * | 2009-08-20 | 2010-08-25 | 北京维深数码科技有限公司 | Wireless digital electronic detonator explosion system |
| CN101813443A (en) * | 2009-08-20 | 2010-08-25 | 北京维深数码科技有限公司 | Wireless detonator component, explosive device and exploding method thereof |
| CN101995196A (en) * | 2009-08-20 | 2011-03-30 | 北京维深数码科技有限公司 | Wireless blasting system and communication method thereof |
| CN101666596B (en) * | 2009-09-29 | 2013-08-14 | 北京维深数码科技有限公司 | Digital electronic detonator and control method thereof |
| CN105043178A (en) * | 2015-06-08 | 2015-11-11 | 北京丹芯灵创科技有限公司 | Secure network device for electronic detonator initiation system and use method of secure network device |
| CN103326313B (en) * | 2013-06-27 | 2016-02-24 | 桂林航天电子有限公司 | Intelligence priming system ignition controller |
| CN109855489A (en) * | 2019-03-23 | 2019-06-07 | 华夏世昌(北京)科技有限公司 | A kind of igniting driving chip and control method |
-
2008
- 2008-04-28 CN CNU200820111270XU patent/CN201218703Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813444A (en) * | 2009-08-20 | 2010-08-25 | 北京维深数码科技有限公司 | Wireless digital electronic detonator explosion system |
| CN101813443A (en) * | 2009-08-20 | 2010-08-25 | 北京维深数码科技有限公司 | Wireless detonator component, explosive device and exploding method thereof |
| CN101995196A (en) * | 2009-08-20 | 2011-03-30 | 北京维深数码科技有限公司 | Wireless blasting system and communication method thereof |
| CN101995196B (en) * | 2009-08-20 | 2013-08-14 | 北京维深数码科技有限公司 | Wireless blasting system and communication method thereof |
| CN101666596B (en) * | 2009-09-29 | 2013-08-14 | 北京维深数码科技有限公司 | Digital electronic detonator and control method thereof |
| CN103326313B (en) * | 2013-06-27 | 2016-02-24 | 桂林航天电子有限公司 | Intelligence priming system ignition controller |
| CN105043178A (en) * | 2015-06-08 | 2015-11-11 | 北京丹芯灵创科技有限公司 | Secure network device for electronic detonator initiation system and use method of secure network device |
| CN109855489A (en) * | 2019-03-23 | 2019-06-07 | 华夏世昌(北京)科技有限公司 | A kind of igniting driving chip and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100085 Beijing city Haidian District East Road No. 1 Yingchuang power block A Room 601 Patentee after: Beijing Ebtech Co., Ltd. Address before: 100098 Hua Jie building, No. 13, Zhong Zhong Temple, Beijing, Haidian District, 11B12 Patentee before: Beijing Ebtech Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Beijing Ebtech Co., Ltd. Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Yang Chun Document name: Notification of Passing Examination on Formalities |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100097 Beijing city Haidian District road Jin Yuan era business center A block 11F Patentee after: Beijing Ebtech Co., Ltd. Address before: 100085 Beijing city Haidian District East Road No. 1 Yingchuang power block A Room 601 Patentee before: Beijing Ebtech Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090408 |
|
| CX01 | Expiry of patent term |