CN105509579B - A kind of electric detonator charge protector - Google Patents
A kind of electric detonator charge protector Download PDFInfo
- Publication number
- CN105509579B CN105509579B CN201510864508.0A CN201510864508A CN105509579B CN 105509579 B CN105509579 B CN 105509579B CN 201510864508 A CN201510864508 A CN 201510864508A CN 105509579 B CN105509579 B CN 105509579B
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- China
- Prior art keywords
- comparator
- oxide
- metal
- semiconductor
- resistor
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- 230000001012 protector Effects 0.000 title claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C15/00—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges
- F42C15/40—Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Air Bags (AREA)
Abstract
The present invention provides a kind of electric detonator charge protector; including first resistor, second resistance; reference part, comparator, metal-oxide-semiconductor, electric capacity, charge switch for producing reference voltage Vref; first resistor and second resistance are connected in parallel after being connected in series with reference part; one end is connected by charge switch with power supply after electric capacity, metal-oxide-semiconductor are connected in parallel connection; the other end is grounded; the grid of metal-oxide-semiconductor is connected with comparator; the positive of comparator is connected by first resistor with power supply, and the negative of comparator is connected with reference part.First resistor and second resistance carry out partial pressure to power supply and obtain sampling voltage Vd, and reference part produces reference voltage Vref, and comparator compares sampling voltage Vd and reference voltage V ref；If Vd is less than Vref, comparator CMP output high level, metal-oxide-semiconductor road leads to, electric capacity shorted to earth, if Vd is more than Vref, comparator CMP output low levels, metal-oxide-semiconductor cut-off, electric capacity is charged normal.
Description
Technical field
The present invention relates to electronic technology field, a kind of electric detonator charge protector is more particularly to.
Background technology
The detector of electric detonator does not possess the function of sending charging fuze generally, and using low-voltage communication.
Its detonation of charging will not be made during electric detonator is detected.In order to further prevent electric capacity of being under fire in electric detonator detection process
It is unexpected to charge, electric detonator security of system is improved, it is necessary to increase safeguard measure on electric detonator special chip.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of electric detonator applied on electric detonator special chip
Charge protector.
In order to obtain above-mentioned technique effect, technical scheme is as follows：
A kind of electric detonator charge protector, including first resistor, second resistance, the reference for producing reference voltage
Part, comparator, metal-oxide-semiconductor, electric capacity, charge switch, first resistor and second resistance are in parallel with reference part after being connected in series to be connected
Connect, first resistor is connected with power supply, second resistance ground connection, one end of reference part is connected with power supply, the other end of reference part
Ground connection, one end is connected by charge switch with power supply after electric capacity, metal-oxide-semiconductor are connected in parallel connection, other end ground connection, the grid of metal-oxide-semiconductor
Pole is connected with comparator, and the positive of comparator is connected by first resistor with power supply, and the negative of comparator is connected with reference part.
Its advantage is：First resistor and second resistance carry out partial pressure and obtain sampling voltage Vd, reference part to power supply
Reference voltage Vref is produced, comparator compares sampling voltage Vd and reference voltage V ref；If sampling voltage Vd is less than benchmark electricity
Pressure Vref, comparator output high level, metal-oxide-semiconductor road leads to, electric capacity shorted to earth, it is impossible to charge, if sampling voltage Vd is more than base
Quasi- voltage Vref, comparator output low level, metal-oxide-semiconductor cut-off, electric capacity is charged normal.
When applying the present invention to the unshielded detection of electric detonator, communication voltage is low pressure 5V, under this voltage, even if by
Charging instruction is sent in accidental cause equipment, due to the presence of the hardware protection circuit, electric capacity cannot charge, and detonator cannot rise
It is quick-fried, it is ensured that the safety of personnel.
Brief description of the drawings
Fig. 1 is a kind of structural representation of electric detonator charge protector of an embodiment of the present invention.
The title of the corresponding component in figure represented by letter：
VCC. power supply, R1. first resistors, R2. second resistances, ref. reference parts, CMP. comparators, M1.MOS pipe, C1.
Electric capacity, K1. charge switch.
Specific embodiment
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the present invention discloses a kind of electric detonator charge protector, including first resistor R1, second resistance
R2, for producing the reference part ref of reference voltage Vref, comparator CMP, metal-oxide-semiconductor M1, electric capacity C1, charge switch K1, first
Resistance R1 and second resistance R2 are connected in parallel after being connected in series with reference part ref, and first resistor R1 is connected with power supply VCC, the
Two resistance R2 are grounded, and one end of reference part ref is connected with power supply VCC, the other end ground connection of reference part ref, electric capacity C1,
Metal-oxide-semiconductor M1 be connected in parallel connection after one end be connected with power supply VCC by charge switch, the other end be grounded, the grid of metal-oxide-semiconductor M1 and
Comparator CMP is connected, and the positive of comparator CMP is connected by first resistor R1 with power supply VCC, negative and the ginseng of comparator CMP
Examine part ref connections.
First resistor R1 and second resistance R2 carries out partial pressure to power supply VCC and obtains sampling voltage Vd, and reference part ref is produced
Reference voltage Vref, comparator CMP compares sampling voltage Vd and reference voltage V r；If sampling voltage Vd is less than reference voltage
Vr, comparator CMP export high level, and metal-oxide-semiconductor M1 roads lead to, electric capacity C1 shorted to earths, and electric capacity C1 cannot charge, if sampling voltage
Vd is more than reference voltage V ref, and comparator CMP output low levels, metal-oxide-semiconductor M1 cut-offs, electric capacity C1 is charged normal.
When applying the present invention to the unshielded detection of electric detonator, communication voltage is low pressure 5V, under this voltage, even if by
Charging instruction is sent in accidental cause equipment, due to the presence of the hardware protection circuit, ignition electric capacity cannot charge, and detonator cannot
Detonation, it is ensured that the safety of personnel.
Above-described is only a kind of preferred embodiment of electric detonator charge protector of the invention, it is noted that
For those of ordinary skill in the art, on the premise of not paying creative work, some deformations can also be made and is changed
Enter, belong to protection scope of the present invention.
Claims (1)
1. a kind of electric detonator charge protector, it is characterised in that including first resistor, second resistance, for producing reference
The reference part of voltage, comparator, metal-oxide-semiconductor, electric capacity C1, charge switch K1,
The first resistor and second resistance are connected in parallel after being connected in series with reference part, and the first resistor connects with power supply
Connect, the second resistance ground connection, one end of the reference part is connected with power supply, the other end ground connection of the reference part, institute
State one end after electric capacity C1, metal-oxide-semiconductor are connected in parallel connection to be connected with power supply by charge switch, other end ground connection, the metal-oxide-semiconductor
Grid is connected with the output end of comparator, and the positive of the comparator is connected by first resistor with power supply, the comparator
Negative is connected with reference part,
First resistor R1 and second resistance carry out partial pressure to power supply and obtain sampling voltage, and reference part produces reference voltage, compares
Device compares sampling voltage Vd and reference voltage Vref, if sampling voltage Vd is less than reference voltage Vref, comparator CMP outputs are high
Level, metal-oxide-semiconductor conducting, electric capacity shorted to earth, electric capacity C1 cannot charge, if sampling voltage Vd is more than reference voltage Vref, than
Low level is exported compared with device CMP, metal-oxide-semiconductor cut-off, electric capacity C1 is charged normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510864508.0A CN105509579B (en) | 2015-11-30 | 2015-11-30 | A kind of electric detonator charge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510864508.0A CN105509579B (en) | 2015-11-30 | 2015-11-30 | A kind of electric detonator charge protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105509579A CN105509579A (en) | 2016-04-20 |
| CN105509579B true CN105509579B (en) | 2017-06-23 |
Family
ID=55717742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510864508.0A Active CN105509579B (en) | 2015-11-30 | 2015-11-30 | A kind of electric detonator charge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105509579B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183608B (en) * | 2017-12-27 | 2020-09-29 | 浙江大华技术股份有限公司 | Boosting circuit |
| CN109341447B (en) * | 2018-12-14 | 2021-01-01 | 中国工程物理研究院电子工程研究所 | Detonation interface device and detonation method |
| CN111076629B (en) * | 2020-01-17 | 2022-06-17 | 杭州晋旗电子科技有限公司 | Discharge control circuit and electronic detonator |
| CN111404138B (en) * | 2020-03-09 | 2022-01-04 | 杭州国芯科技股份有限公司 | Overvoltage protection method for electronic detonator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035169A (en) * | 2009-09-28 | 2011-04-27 | 研祥智能科技股份有限公司 | Input overvoltage protection circuit and DC-DC power supply conversion device |
| CN202340329U (en) * | 2011-08-24 | 2012-07-18 | 上海新进半导体制造有限公司 | Dimming LED (light-emitting diode) driving power supply control circuit under full-voltage input condition |
| CN103166166A (en) * | 2011-12-08 | 2013-06-19 | 迈普通信技术股份有限公司 | Hot plug controller protective circuit |
| CN104600963A (en) * | 2014-12-30 | 2015-05-06 | 上海贝岭股份有限公司 | Output voltage dual-mode detection circuit of switching power supply |
| CN205015388U (en) * | 2015-09-29 | 2016-02-03 | 龙威国际有限公司 | Controllable formula low -voltage detection chip and power management chip delay |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666595B (en) * | 2009-09-08 | 2012-08-29 | 北京维深数码科技有限公司 | Control chip of digital electronic detonator |
-
2015
- 2015-11-30 CN CN201510864508.0A patent/CN105509579B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035169A (en) * | 2009-09-28 | 2011-04-27 | 研祥智能科技股份有限公司 | Input overvoltage protection circuit and DC-DC power supply conversion device |
| CN202340329U (en) * | 2011-08-24 | 2012-07-18 | 上海新进半导体制造有限公司 | Dimming LED (light-emitting diode) driving power supply control circuit under full-voltage input condition |
| CN103166166A (en) * | 2011-12-08 | 2013-06-19 | 迈普通信技术股份有限公司 | Hot plug controller protective circuit |
| CN104600963A (en) * | 2014-12-30 | 2015-05-06 | 上海贝岭股份有限公司 | Output voltage dual-mode detection circuit of switching power supply |
| CN205015388U (en) * | 2015-09-29 | 2016-02-03 | 龙威国际有限公司 | Controllable formula low -voltage detection chip and power management chip delay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105509579A (en) | 2016-04-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240519 Address after: Room 1501, Block C, Cygnus, Software Park, No. 111, Linghu Avenue, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Saimi Kentuo Microelectronics Co.,Ltd. Country or region after: China Address before: 214028 Wuxi Lixin Microelectronics Co., Ltd., No. 8 Xinhui Ring Road, New District, Wuxi City, Jiangsu Province Patentee before: WUXI ETEK MICROELECTRONICS CO.,LTD. Country or region before: China |