CN103017617A - Ignition circuit board and ignition member containing ignition circuit board - Google Patents
Ignition circuit board and ignition member containing ignition circuit board Download PDFInfo
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- CN103017617A CN103017617A CN2011102808705A CN201110280870A CN103017617A CN 103017617 A CN103017617 A CN 103017617A CN 2011102808705 A CN2011102808705 A CN 2011102808705A CN 201110280870 A CN201110280870 A CN 201110280870A CN 103017617 A CN103017617 A CN 103017617A
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Abstract
The present invention provides an ignition circuit board for electric initiating detonator. The ignition circuit board comprises at least one pair of energy output pads for directly or indirectly providing energy for an external ignition bridge wire, and further comprises at least one pair of welding auxiliary members fixed on the energy output pads, wherein the welding auxiliary members and the energy output pads form electrical connections, the welding auxiliary member and the ignition bridge wire directly or indirectly form an electrical connection in a laser welding manner, the ignition circuit board provides energy for the ignition bridge wire through the welding auxiliary member, and the ignition circuit board and the ignition bridge wire form an ignition loop. The present invention further provides an ignition member containing the ignition circuit board. With the technical scheme, the laser welding manner is adopted to achieve the direct or indirect electrical connection between the ignition circuit board and the ignition bridge wire, such that the electric current passing through the bridge wire during the welding process is avoided compared with the method by adopting the energy storage welding manner so as to eliminate the possibility of accidental detonation on a fuse head during the welding process and improve production process safety.
Description
Technical field
The present invention relates to priming system manufacturing technology field, relate in particular to a kind of ignition circuit board for electric blasting cap and comprise the improvement of the igniting element of this ignition circuit board.
Background technology
Electric detonator, as a kind of emerging high-tech initiating equipment, since its concept was suggested, along with the develop rapidly of electronic technology, microelectric technique, information technology, the core technology of electric detonator had obtained great progress.
Igniting element manufacture commonly used has two kinds usually in the existing electric detonator production technology: the first is first contact pin to be welded to ignition circuit board, again with the other end welded bridge silk of contact pin, the bridge silk consists of ignition circuit by contact pin and ignition circuit board, and this mode is difficult to realize the mass automated production of igniting element; The second is first contact pin to be welded to ignition circuit board, and the other end with contact pin is welded to conventional rigid medicine head again, so that the bridge silk is by Rigid powder head and contact pin and ignition circuit board formation ignition circuit.
The defective of the above-mentioned second way is that the mode of stored energy welding is often adopted in the welding of contact pin and conventional rigid medicine head.Owing to may produce a certain amount of electric current on the Rigid powder head during stored energy welding, therefore, when welding, there is the possibility of primer head, introduced potential safety hazard at production link.
In the igniting element manufacture process of traditional electrical detonator, also payment to a porter and bridge silk directly can be welded, or adopt the mode of stored energy welding to weld with conventional rigid medicine head, therefore, exist equally the potential safety hazard of unintended detonation medicine head.
Summary of the invention
The object of the invention is to solve the defective of above-mentioned prior art, a kind of igniting element that is applicable to the ignition circuit board of electric blasting cap and includes this ignition circuit board is provided, be intended to solve in the production process mistake of the point of amorce problem of detonating, the security that improves the detonator production process.
Technical purpose of the present invention realizes by the following technical solutions:
On the one hand, ignition circuit board provided by the invention comprises at least one pair of energy o pads, and this ignition circuit board provides energy to its outside initiating bridge silk directly or indirectly.Above-mentioned ignition circuit board also comprises at least one pair of welding auxiliary, and the welding auxiliary is fixed on the energy o pads, forms with the energy o pads to be electrically connected; The welding auxiliary forms directly or indirectly with the initiating bridge silk in the mode of laser weld and is electrically connected.Ignition circuit board provides energy via welding the initiating bridge silk of auxiliary to the ignition circuit board outside, consists of ignition circuit with the initiating bridge silk.
Further, the present invention also provides the igniting element that adopts above-mentioned ignition circuit board.This igniting element comprises ignition circuit board of the present invention, and the initiating bridge silk of this ignition circuit board outside.Above-mentioned ignition circuit board comprises at least one pair of energy o pads and at least one pair of welding auxiliary.The welding auxiliary is fixed on the energy o pads, forms with the energy o pads to be electrically connected; The welding auxiliary forms directly or indirectly with the initiating bridge silk in the mode of laser weld and is electrically connected.Ignition circuit board provides energy via welding the initiating bridge silk of auxiliary to the ignition circuit board outside, consists of ignition circuit with the initiating bridge silk.
In the technical scheme of the present invention, adopt the mode of laser weld to realize that ignition circuit board directly or indirectly is electrically connected with the initiating bridge silk, compare the stored energy welding mode that adopts, avoided the electric current that flows through on the welding process jackshaft silk, thereby eliminated the medicine head in welding process by the possibility of unintended detonation, improved the security of production process.
Because the pad of ordinary circuit board adopts the mode of copper facing, gold, silver or other easy soldering material to make usually, thickness of coating is micron dimension only, can't satisfy the requirement of laser weld mode, therefore, the present invention fixes first the welding auxiliary on the energy o pads of ignition circuit board, to weld again auxiliary with the directly welding or weld to form by bridge silk connector and be electrically connected of the mode of laser weld and initiating bridge silk, thereby realize technical purpose of the present invention.
Description of drawings
Fig. 1 is for being used for a kind of traditional ignition circuit board schematic diagram of electric detonator;
Fig. 2 is a kind of principle schematic that is used for traditional igniting element of electric detonator;
Fig. 3 is a kind of embodiment of ignition circuit board among the present invention;
Fig. 4 is the partial enlarged drawing of middle welding auxiliary part embodiment illustrated in fig. 3;
Fig. 5 is a kind of embodiment that jackshaft silk connector of the present invention adopts Rigid powder head to consist of;
Fig. 6 is a kind of embodiment of Rigid powder head standard component among the present invention;
Fig. 7 is the schematic diagram that ignition circuit board and Rigid powder head standard component are assembled into igniting element among the present invention;
Fig. 8 is a kind of embodiment that the present invention assembles the igniting element of finishing;
Fig. 9 is another embodiment of igniting element of the present invention;
Figure 10 is a kind of embodiment that jackshaft silk connector of the present invention adopts the pair of metal sheet to consist of;
Figure 11 is another embodiment that jackshaft silk connector of the present invention adopts the pair of metal sheet to consist of;
Figure 12 is a kind of embodiment that the welding auxiliary extends the energy o pads among the present invention;
Figure 13 is a kind of embodiment that empties on the ignition circuit board among the present invention as the U-shaped space;
Figure 14 is a kind of embodiment that empties on the ignition circuit board among the present invention as O shape space;
Figure 15 is for adopting ignition circuit board shown in Figure 13 to consist of the embodiment of igniting element;
Figure 16 is another embodiment of ignition circuit board among the present invention;
Figure 17 is that middle welding auxiliary part embodiment illustrated in fig. 16 is along the schematic cross-section of A-A direction;
Figure 18 is the enforcement schematic diagram that ignition circuit board comprises two pairs of energy o pads among the present invention;
Figure 19 is based on another embodiment of ignition circuit board embodiment illustrated in fig. 18 among the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in further details.
Fig. 1 has provided a kind of traditional ignition circuit board for electric detonator.This circuit board is rectangle, and respectively there is a pair of pad at the two ends of length direction, is respectively the energy input pad 11 and 12 that is connected to the detonator payment to a porter, and the energy o pads 13 and 14 that is connected to the initiating bridge silk.
Fig. 2 has provided the principle schematic that ignition circuit board 10 shown in Figure 1 consists of igniting element 80.The initiating bridge silk forms with energy o pads 13 and 14 and is electrically connected, with ignition circuit board 10 common formation ignition circuits.
For addressing the deficiencies of the prior art, the invention provides a kind of Novel ignition circuit board and comprise the Novel ignition element of this ignition circuit board.
Take embodiment shown in Figure 3 as example, be fixed with one to one a pair of welding auxiliary 33 and 34 on a pair of energy o pads 31 and 32 of this ignition circuit board 30, this forms one to one with energy o pads 31 and 32 welding auxiliary 33 and 34 and is electrically connected.This can satisfy the requirement of laser weld to performances such as welding auxiliary 33 and thickness of 34, weldabilities, thereby so that ignition circuit board of the present invention 30 can form with the initiating bridge silk directly or indirectly in the mode of laser weld is electrically connected.Ignition circuit board 30 provides energy to the welding auxiliary to the initiating bridge silk via this, consists of ignition circuit with the initiating bridge silk.
In the embodiment shown in fig. 3, because shape and the sizableness of the shape of welding auxiliary 33 and 34 and size and energy o pads 31 and 32, area is basic identical, and therefore, the two overlaps substantially, referring to shown in Figure 4.The area of welding auxiliary also can be less than the energy o pads, referring to shown in Figure 10, as long as satisfy the needs of laser weld.Except above-mentioned dual mode, the shape of welding auxiliary also can obtain different from the energy o pads, for example in the embodiment shown in Figure 16, welding auxiliary 83 and 84 edges take the shape of the letter U perpendicular to the cross section of the A-A direction of ignition circuit board length direction, shown in Figure 17 sectional view, can realize technical purpose of the present invention equally.
On the other hand, enforcement of the present invention preferably the energy o pads is designed to a pair of more than, referring to shown in Figure 180.Take embodiment illustrated in fig. 18 as example, energy o pads 31 and 32, and 31 ' and 32 ', consist of two pairs of energy o pads.As shown in figure 19, welding auxiliary 33 and 34 is when being fixed on the energy o pads, and welding auxiliary 33 contact and forms electrical connection simultaneously with 31 ' with energy o pads 31, welds 34 whiles of auxiliary to contact with 32 ' with energy o pads 32 and form electrical connection.Thereby welding auxiliary 33 and 34 is welded and fixed with at least two places respectively and a little is fixed on the energy o pads, and therefore, the position of welding auxiliary and direction are more convenient fixing, and the welding auxiliary is also more reliable with being electrically connected of energy o pads.
When adopting Fig. 3 or ignition circuit board embodiment illustrated in fig. 16 to consist of igniting element, igniting element also need comprise bridge silk connector except comprising corresponding ignition circuit board and initiating bridge silk.Welding auxiliary on Fig. 3 or the ignition circuit board shown in Figure 16 adopts the mode of laser weld to form with bridge silk connector and is electrically connected, and ignition circuit board indirectly forms with the initiating bridge silk via bridge silk connector and is electrically connected, thereby consists of ignition circuit.
The structure of bridge silk connector can adopt various ways to realize, for example Fig. 5 or the form that is similar to conventional rigid medicine head shown in Figure 9.
Adopt Rigid powder head 50 shown in Figure 5 as bridge silk connector, and adopt ignition circuit board shown in Figure 3 30, a kind of assembling process of igniting element can be described below: a pair of extended leg of the bridge filament welding end 52 of Rigid powder head 50 clamps the bridge silk first, adopt again the mode of stored energy welding that the initiating bridge wire bond is connected on the Rigid powder head 50, finish to dip in forming Rigid powder head standard component 55 shown in Figure 6 behind the medicine; As shown in Figure 7, adopt the mode of laser weld, the a pair of extended leg of circuit board welding ends 53 on the above-mentioned Rigid powder head standard component 55 and a pair of welding auxiliary 33 and 34 on the ignition circuit board 30 are welded together one to one, can finish the assembling of igniting element, form the igniting element standard component 20 that provides embodiment illustrated in fig. 8.Again take ignition circuit board shown in Figure 16 as example, during the assembling igniting element, can be first a pair of extended leg of circuit board welding ends 53 on the above-mentioned Rigid powder head standard component 55 be inserted in the U-shaped dead slot of welding auxiliary 83 and 84 one to one, mode by laser weld welds together above-mentioned extended leg and welding auxiliary again, also can finish the assembling of igniting element.
Among the embodiment that Fig. 9 provides, a pair of extended leg of bridge filament welding end 56 directly and the man-to-man welding in two ends of initiating bridge silk 40 adopts the mode of stored energy welding usually on the Rigid powder head 51, and this mode operates relatively simple, but connection reliability is slightly poor.In addition, when adopting Rigid powder head 50 or 51 as bridge silk connector assembling igniting element, both can first initiating bridge silk 40 be welded to a pair of extended leg of bridge filament welding end 52 or 56, also can first the welding auxiliary on the ignition circuit board be welded to a pair of extended leg of welding circuit board end 53 or 57.
Bridge silk connector also can adopt the mode of Figure 10 or sheet metal shown in Figure 11 to realize.Similarly, employing embodiment illustrated in fig. 10 clamps first, the method for welded bridge silk 40 realizes that the method for the direct pad firebridge of employing embodiment illustrated in fig. 11 silk 40 realizes again.Bridge silk connector among two kinds of embodiment all adopts the mode of laser weld to be welded on the welding auxiliary 33 and 34 of ignition circuit board 30.
Except embodiment shown in Figure 3, the alleged ignition circuit board of the present invention also has multiple implementation.For example Figure 12, Figure 13, Figure 14 or shown in Figure 180.In the embodiment shown in fig. 12, welding auxiliary 73 and 74 is fixed on the energy o pads 71 and 72 of ignition circuit board 30, and extends ignition circuit board 30, and forming energy output welding pin 75 and 76 is referring to shown in Figure 12.Figure 13 and embodiment illustrated in fig. 14 in, the circuit board section between a pair of energy o pads 61 and 62 is emptied, form one as shown in figure 13 the U-shaped space or O type space as shown in figure 14; In similar these two kinds of embodiment, welding auxiliary 63 and 64 is fixed on energy o pads 61 and 62, the shape size that welds auxiliary 63 and 64 can be suitable with energy o pads 61 and 62, can specific energy o pads 61 and 62 smaller, also can be extended out energy o pads 61 and 62, form and similar energy output welding pin embodiment illustrated in fig. 12.
The ignition circuit board that adopts Figure 12, Figure 13 or Figure 14 to provide both can adopt aforementioned various bridge silk connector to be assembled into igniting element, initiating bridge silk 40 directly can be welded on the welding auxiliary of ignition circuit board, with reference to Figure 12, Figure 14 or shown in Figure 15 again.If welding auxiliary 63 and 64 shape size and energy o pads 61 and 62 be quite or less than energy o pads 61 and 62, referring to Figure 13 or embodiment illustrated in fig. 14, then need adopt the mode of laser weld that initiating bridge silk 40 is welded to and weld auxiliary 63 and 64; If welding auxiliary 73 and 74 extends energy o pads 71 and 72 forming energies output welding pin 75 and 76, referring to embodiment illustrated in fig. 12, then initiating bridge silk 40 both can adopt Laser Welding with the welding of energy output welding pin 75 and 76, also can adopt stored energy welding.Initiating bridge silk 40 is welded direct to welding auxiliary on the ignition circuit board, can be so that the igniting element structure be compacter, be conducive to reduce the effective consumption before the ignition energy point of arrival firebridge silk 40, improve ignition uniformity and the reliability of igniting element.
The welding auxiliary that the present invention is alleged, can be made by any or its any combination in the metal material, also can by be coated with zinc, nickel, gold, silver, copper, aluminium etc. easily the conductive material of any combination of any one or more in the weldering metal material make, the welding auxiliary can be used as overall time and is fixed on the energy o pads, also the energy o pads can be fixed to several times successively, as long as can satisfy the demand of laser weld.
The welding auxiliary that the present invention is alleged, preferably the mode with the paster soldering is fixed on the energy o pads, forms with the energy o pads to be electrically connected.But the mature technology of the automatic technology reference integrated circuit manufacturing of paster soldering technique adopts the mode of paster soldering to fix welding auxiliary and energy o pads, is conducive to the mass production of ignition circuit board.
The ignition circuit board that the present invention is alleged and igniting element both can be used for the manufacturing of electric detonator igniting element, also can be used for the electric blasting caps such as electric cap.With using as example in electric cap, be connected to the energy input pad of detonator payment to a porter and be connected at ignition circuit board and design always between the energy o pads of initiating bridge silk that access gets final product.
Claims (10)
1. an ignition circuit board comprises at least one pair of energy o pads, and this ignition circuit board provides energy to its outside initiating bridge silk directly or indirectly, it is characterized in that:
Described ignition circuit board also comprises at least one pair of welding auxiliary,
Described welding auxiliary is fixed on the described energy o pads, forms with described energy o pads to be electrically connected; Described welding auxiliary forms directly or indirectly with described initiating bridge silk in the mode of laser weld and is electrically connected,
Described ignition circuit board provides energy via described welding auxiliary to the described initiating bridge silk of described ignition circuit board outside, consists of ignition circuit with described initiating bridge silk.
2. ignition circuit board according to claim 1 is characterized in that:
The shape size of described welding auxiliary is suitable with described energy o pads.
3. ignition circuit board according to claim 1 is characterized in that:
Described welding auxiliary extends described ignition circuit board, forms at least one pair of energy output welding pin.
4. ignition circuit board according to claim 1 is characterized in that:
Described welding auxiliary takes the shape of the letter U along the cross section perpendicular to described ignition circuit board length direction.
5. ignition circuit board according to claim 1 is characterized in that:
Each described welding auxiliary is welded and fixed by at least two places and a little is fixed on the described energy o pads.
6. the described ignition circuit board of arbitrary claim according to claim 1～5 is characterized in that:
Described welding auxiliary is fixed on the described energy o pads in the mode of paster soldering, forms with described energy o pads to be electrically connected.
7. the described ignition circuit board of arbitrary claim according to claim 1～5 is characterized in that:
Described welding auxiliary is made by any or its any combination in the metal material; Perhaps,
Described welding auxiliary is made by the conductive material that is coated with any or its any combination in zinc, nickel, gold, silver, copper, the aluminium.
8. the described ignition circuit board of arbitrary claim according to claim 1～7 is characterized in that:
On the described ignition circuit board, form a U-shaped space or O shape space between the described energy o pads.
9. an igniting element comprises the described ignition circuit board of arbitrary claim in the claim 1～8.
10. according to igniting element claimed in claim 9, it is characterized in that:
Described igniting element also comprises bridge silk connector,
Described bridge silk connector forms with the mode of welding auxiliary by laser weld and is electrically connected, so that the initiating bridge silk is via described bridge silk connector and described ignition circuit board formation ignition circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102808705A CN103017617A (en) | 2011-09-20 | 2011-09-20 | Ignition circuit board and ignition member containing ignition circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102808705A CN103017617A (en) | 2011-09-20 | 2011-09-20 | Ignition circuit board and ignition member containing ignition circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN103017617A true CN103017617A (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102808705A Pending CN103017617A (en) | 2011-09-20 | 2011-09-20 | Ignition circuit board and ignition member containing ignition circuit board |
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| Country | Link |
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| CN (1) | CN103017617A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411490A (en) * | 2013-08-21 | 2013-11-27 | 南通迅翔自动化设备有限公司 | Electronic detonator circuit component device |
| CN104457455A (en) * | 2013-09-25 | 2015-03-25 | 北京北方邦杰科技发展有限公司 | Ignition control module group for digital electronic detonator and production method of ignition control module group |
| CN110416782A (en) * | 2019-08-27 | 2019-11-05 | 问问智能信息科技有限公司 | A kind of charging contact composite structure and preparation method thereof |
| CN111250867A (en) * | 2020-03-04 | 2020-06-09 | 北京凯米迈克科技有限公司 | Stepping type laser welding device for welding resistance wires |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN85107767A (en) * | 1985-10-15 | 1987-04-15 | 长春光学精密机械学院 | Laser welding method for bridge wire |
| CN201218704Y (en) * | 2008-04-28 | 2009-04-08 | 北京铱钵隆芯科技有限责任公司 | Electronic detonator control circuit component |
| CN201942623U (en) * | 2010-12-29 | 2011-08-24 | 四川久安芯电子科技有限公司 | Novel ignition head |
| CN202382659U (en) * | 2011-09-20 | 2012-08-15 | 北京北方邦杰科技发展有限公司 | Ignition circuit board and ignition element comprising same |
-
2011
- 2011-09-20 CN CN2011102808705A patent/CN103017617A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107767A (en) * | 1985-10-15 | 1987-04-15 | 长春光学精密机械学院 | Laser welding method for bridge wire |
| CN201218704Y (en) * | 2008-04-28 | 2009-04-08 | 北京铱钵隆芯科技有限责任公司 | Electronic detonator control circuit component |
| CN201942623U (en) * | 2010-12-29 | 2011-08-24 | 四川久安芯电子科技有限公司 | Novel ignition head |
| CN202382659U (en) * | 2011-09-20 | 2012-08-15 | 北京北方邦杰科技发展有限公司 | Ignition circuit board and ignition element comprising same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411490A (en) * | 2013-08-21 | 2013-11-27 | 南通迅翔自动化设备有限公司 | Electronic detonator circuit component device |
| CN104457455A (en) * | 2013-09-25 | 2015-03-25 | 北京北方邦杰科技发展有限公司 | Ignition control module group for digital electronic detonator and production method of ignition control module group |
| CN104457455B (en) * | 2013-09-25 | 2019-01-22 | 北京铱钵隆芯科技有限责任公司 | Digital electric detonator ignition control module group and its production method |
| CN110416782A (en) * | 2019-08-27 | 2019-11-05 | 问问智能信息科技有限公司 | A kind of charging contact composite structure and preparation method thereof |
| CN111250867A (en) * | 2020-03-04 | 2020-06-09 | 北京凯米迈克科技有限公司 | Stepping type laser welding device for welding resistance wires |
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Address after: 100097 Beijing city Haidian District road Jin Yuan era business center A block 11F Applicant after: Beijing BangiUnion Technology Development Co., Ltd. Address before: 100085 Beijing city Haidian District East Road No. 1, block A Yingchuang power North Hall Room 601 Applicant before: Beijing BangiUnion Technology Development Co., Ltd. |
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