CN104457455A - Ignition control module group for digital electronic detonator and production method of ignition control module group - Google Patents
Ignition control module group for digital electronic detonator and production method of ignition control module group Download PDFInfo
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- CN104457455A CN104457455A CN201310450316.6A CN201310450316A CN104457455A CN 104457455 A CN104457455 A CN 104457455A CN 201310450316 A CN201310450316 A CN 201310450316A CN 104457455 A CN104457455 A CN 104457455A
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Abstract
The invention provides an ignition control module group for a digital electronic detonator. The ignition control module group comprises an ignition control circuit board group, a plurality of igniting elements and a plurality of encapsulation bodies, wherein the ignition control circuit board group is formed by connection of a plurality of ignition control circuit boards through a connector; the ignition control circuit boards, the igniting elements and the encapsulation bodies are in one-to-one correspondence; the first ends of the ignition control circuit boards are welded with the igniting elements; the encapsulation bodies which are formed in a low-pressure injection molding manner clad the welding parts of the igniting elements and the outer surfaces of the ignition control circuit boards; and the second ends of the ignition control circuit boards extend out of the encapsulation bodies, and are connected to the connector. The invention also provides a production method of the ignition control module group, and a production method of ignition control modules. According to the technical scheme, the shock resistance, the waterproof performance, the dustproof performance and the antistatic property of a detonator circuit are fundamentally improved; and the production efficiency of the ignition control module group is improved by the production mode of taking a group as a unit, thus the production efficiency of the electronic detonator is improved.
Description
Technical field
The present invention relates to priming system manufacturing technology field, particularly relate to the improvement of a kind of digital electric detonator ignition control module group and production method thereof.
Background technology
In existing digital electric detonator production technology, usually the ignition control circuit plate being welded with ignite part and detonator payment to a porter is loaded detonator fire tube, the assembling that bayonet socket sealing can complete digital electric detonator is carried out to detonator fire tube.
Usually, part of igniting is welded in one end of above-mentioned ignition control circuit plate, the payment to a porter of other end welding detonator, and ignition control circuit plate is also welded with multiple electronic devices and components.Therefore, adopt existing assembling mode, when digital electric detonator is subject to effect of vibration, each exposed solder joint is very easily loosening, even comes off, and thus can affect the reliability of digital electric detonator.Further, the extraneous disturbing factor such as moisture, dust, electrostatic also very easily impacts the performance of product, thus affects waterproof and dustproof and the antistatic performance of electric detonator circuit.
Summary of the invention
The object of the invention is to the defect solving above-mentioned prior art, a kind of digital electric detonator ignition control module group and production method thereof are provided, be conducive to the waterproof and dustproof of raising digital electric detonator circuit, antistatic and resistance to shock, and be conducive to the production efficiency improving digital electric detonator.
Technical purpose of the present invention is achieved through the following technical solutions:
The invention provides a kind of digital electric detonator ignition control module group, comprise ignition control circuit plate group, multiple part and multiple packaging body of igniting, wherein, ignition control circuit plate group is formed by connecting by connector by multiple ignition control circuit plate; Above-mentioned ignition control circuit plate, ignite part and packaging body one_to_one corresponding, the first end of ignition control circuit plate welds part of igniting, and the packaging body formed by the mode of low-pressure injection molding is wrapped in the welding position of part of igniting and the outer surface of ignition control circuit plate; Second end of ignition control circuit plate extends packaging body, is connected to connector.
In such scheme, adopt the mode of low-pressure injection molding to be wrapped in packaging body by the outer surface of the welding position of part of igniting and ignition control circuit plate, fundamentally improve the water resistance of digital electric detonator circuit, anti-dust performance and antistatic performance.Simultaneously; above-mentioned packaging body also can play protection and fixing effect to the welding position of the electronic devices and components on ignition control circuit plate and part of igniting; prevent electronic devices and components or solder joint from loosening under the External Force Actings such as mechanical oscillation or coming off, the resistance to shock of favourable raising electric detonator product.In addition, the welding position of ignite part and ignition control circuit plate is also wrapped up by packaging body, thus is conducive to the antistatic performance improving electric detonator further.
The present invention also provides a kind of production method of above-mentioned ignition control module group, and the method comprises the following steps:
Sectional fixture step, fixes multiple part special fixture of igniting, and forms part group of igniting;
Welding step, by ignition control circuit plate group and part bond pads of igniting, makes the first end of ignition control circuit plate be electrically connected correspondingly with part of igniting;
Add mould step, mould is put in the welding position of part of respectively igniting and ignition control circuit plate group;
Filling step, puts into feeding device by encapsulation base material;
Low-pressure injection molding step, under certain injection moulding low pressure, in mould, injects gluey encapsulation base material with certain injection pressure; Naturally, after cooling, encapsulation base material forms multiple packaging body, and each packaging body is wrapped in the welding position of part of respectively igniting and the outer surface of each IGNITION CONTROL circuit board respectively, and the second end of each IGNITION CONTROL circuit board extends packaging body.
In such scheme, each IGNITION CONTROL circuit board in ignition control circuit plate group welds respectively one and ignite after part, completed the production of ignition control module group by the mode of low-pressure injection molding.The mode of production in units of group facilitates the production of ignition control module group, is conducive to the production efficiency improving electric detonator, is also conducive to the uniformity improving ignition control module product simultaneously.In addition; the mode of low-pressure injection molding is adopted to be wrapped in packaging body by the outer surface of the welding position of part of respectively igniting in ignition control module group and each IGNITION CONTROL circuit board; the welding position of packaging body to the electronic devices and components on ignition control circuit plate and part of igniting plays protection and fixing effect, fundamentally improves the water resistance of digital electric detonator circuit, anti-dust performance, antistatic performance and resistance to shock.In addition, in the process of low-pressure injection molding, the pressure that the components and parts on each IGNITION CONTROL circuit board bear is less, and thus such scheme can also guarantee the integrity of each ignition control module in production process; And in low-pressure injection molding process, utilize very little injection pressure just encapsulation base material can be injected mould and rapid curing, thus such scheme not only reduces percent defective largely, and be conducive to the production efficiency improving ignition control module group, and then be conducive to the production efficiency improving electric detonator.
The present invention also provides a kind of production method of ignition control module, after the production method executing above-mentioned ignition control module group, also comprises the step of the connector removed in ignition control module group.Said method achieves the mass production of ignition control module, is conducive to the production efficiency improving ignition control module.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of ignition control module group in the present invention;
Fig. 2 is the structural representation of ignition control module group in the present invention;
Fig. 3 is IGNITION CONTROL circuit board group and the schematic diagram after part bond pads of igniting in the present invention;
Fig. 4 is IGNITION CONTROL circuit board group and the structural representation after part bond pads of igniting in the present invention;
Fig. 5 is the schematic diagram of ignition control module in the present invention;
Fig. 6 is the structural representation of ignition control module in the present invention;
Fig. 7 is the perspective effect figure of ignition control module in the present invention;
Fig. 8 is the flow sheet of ignition control module group in the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further details.
The invention provides a kind of ignition control module group 40 of digital electric detonator, as shown in Figure 1 or 2, comprise ignition control circuit plate group 30, multiple part 11 and multiple packaging body 13 of igniting, wherein, ignition control circuit plate group 30 is formed by connecting by connector 35 by multiple ignition control circuit plate 12, as shown in Figure 3 or Figure 4; Above-mentioned ignition control circuit plate 12, ignite part 11 and packaging body 13 one_to_one corresponding, the first end 21 of ignition control circuit plate 12 welds one and to ignite part 11, the packaging body 13 formed by the mode of low-pressure injection molding is wrapped in the welding position of part 11 of igniting and the outer surface of ignition control circuit plate, see Fig. 5, Fig. 6 or Fig. 7, second end 22 of ignition control circuit plate extends packaging body 13, be connected to connector 35, see Fig. 3 or Fig. 4.
In such scheme, the mode of low-pressure injection molding is adopted to be wrapped in packaging body 13 by the welding position of part 11 of igniting and the outer surface of ignition control circuit plate 12, see Fig. 1 and Fig. 5, fundamentally improve the water resistance of digital electric detonator circuit, anti-dust performance and antistatic performance.Simultaneously; above-mentioned packaging body 13 also can play protection and fixing effect to the welding position of the electronic devices and components on each IGNITION CONTROL circuit board 12 and part 11 of igniting; prevent electronic devices and components or solder joint from loosening under the External Force Actings such as mechanical oscillation or coming off, the resistance to shock of favourable raising electric detonator product.In addition, part 11 of igniting also is wrapped up by packaging body 13 with the welding position of ignition control circuit plate 12, thus is conducive to the antistatic performance improving electric detonator further.
The centre-to-centre spacing of ignition control circuit plate 12 adjacent in above-mentioned ignition control circuit plate group 30 is equal.Equally spaced design facilitates welding of each IGNITION CONTROL circuit board 12 and part 11 of igniting, and can simplify the production technology of low-pressure injection molding simultaneously, is conducive to the production efficiency improving ignition control module group 40.
In such scheme, packaging body 13 is distributed with a pair instrument connection 31, see Fig. 5 or Fig. 6, each instrument connection 31 leads to the welding position of corresponding part 11 of igniting respectively.
The introducing of above-mentioned instrument connection 31, in the part 11 that makes respectively to ignite, the detection of bridge wire resistance becomes possibility.Test probe can be connected to the welding position of part 11 of igniting by operating personnel by above-mentioned instrument connection 31, thus when not affecting the performances such as ignition control module group 40 waterproof and dustproof, antistatic, completes the detection to bridge wire resistance.The structure of above-mentioned part of igniting can application reference number be related art scheme in the patent application of 201310343202.1.
The present invention also provides a kind of production method of above-mentioned ignition control module group 40, and as shown in Figure 8, the method comprises the following steps:
Sectional fixture step, fixes multiple part 11 of igniting with special fixture, and forms part group of igniting;
Welding step, by ignition control circuit plate group 30 and part bond pads of igniting, makes the first end of ignition control circuit plate 12 be electrically connected correspondingly with part 11 of igniting, as shown in Figure 3 or Figure 4;
Add mould step, mould is put in the welding position of part 11 of respectively igniting and ignition control circuit plate group 30;
Filling step, puts into feeding device by encapsulation base material;
Low-pressure injection molding step, under certain injection moulding low pressure, in mould, injects gluey encapsulation base material with certain injection pressure; Naturally, after cooling, encapsulation base material forms multiple packaging body 13, and each packaging body 13 is wrapped in the welding position of part 11 of respectively igniting and the outer surface of each IGNITION CONTROL circuit board 12 respectively, and the second end 22 of each IGNITION CONTROL circuit board 12 extends packaging body 13.
In such scheme, ignition control circuit plate group 30 with ignite part bond pads, make each IGNITION CONTROL circuit board in ignition control circuit plate group 30 welds respectively one and ignite after part 11, completed the production of ignition control module group 40 by the mode of low-pressure injection molding.The mode of production in units of group facilitates the production of ignition control module group 40, is conducive to the production efficiency improving electric detonator, is also conducive to the uniformity improving ignition control module product simultaneously.In addition; the mode of low-pressure injection molding is adopted to be wrapped in packaging body 13 by the outer surface of the welding position of part 11 of respectively igniting in ignition control module group 40 and each IGNITION CONTROL circuit board 12; electronic devices and components on packaging body 13 pairs of ignition control circuit plates 12 and the welding position of part 11 of igniting play protection and fixing effect, fundamentally improve the water resistance of digital electric detonator circuit, anti-dust performance, antistatic performance and resistance to shock.In addition, in the process of low-pressure injection molding, the pressure that the components and parts on each IGNITION CONTROL circuit board bear is less, and thus such scheme can also guarantee the integrity of each ignition control module in production process; And in low-pressure injection molding process, utilize very little injection pressure just encapsulation base material can be injected mould and rapid curing, thus such scheme not only reduces percent defective largely, and be conducive to the production efficiency improving ignition control module group 40, and then be conducive to the production efficiency improving electric detonator.
Above-mentioned mould comprises multiple working chamber, and the centre-to-centre spacing in operated adjacent chamber is equal with the centre-to-centre spacing d1 of ignition control circuit plate 12 adjacent in ignition control circuit plate group 30.Adding in mould step, when ignition control circuit plate group 30 is placed in mould, in ignition control circuit plate group 30, the welding position of the part 11 of igniting of each IGNITION CONTROL circuit board 12 and correspondence is placed in corresponding working chamber respectively, thus facilitates the carrying out of low-pressure injection molding step.In above-mentioned mould, the quantity of working chamber can be identical with the quantity of IGNITION CONTROL circuit board 12 in the ignition control circuit plate group 30 treating low-pressure injection molding.
For guaranteeing that encapsulation base material can effectively melt; and be reliably wrapped in the welding position of part 11 of respectively igniting and the outer surface of each IGNITION CONTROL circuit board 12; above-mentioned encapsulation base material is chosen as PUR; PUR good toughness; intensity is high; the packaging body formed can solder joint on available protecting ignition control circuit plate 12 by the impact of External Force Acting, avoid solder joint loosen or come off.
Above-mentioned PUR is preferably polyamide hot.Polyamide hot after being melted down, only needs very little pressure that it just can be made to trickle in the working chamber of mould, and can not damage the components and parts on IGNITION CONTROL circuit board 12, reduce percent defective largely.In addition, after polyamide hot fusing, there is good adhesive property, effectively can improve the performances such as the vibrationproof of electric detonator circuit, waterproof and dustproof and antistatic, and its resistance to ambient temperature range is at-40 DEG C ~ 150 DEG C, goes for various severe production environment and environment for use.
The model of above-mentioned polyamide hot is chosen as 2170A, 2170B, 6208S, GM950, GM795 or MM5035S.For improving the production efficiency of ignition control module, the polyamide hot that preferred cool time is shorter, such as model is the polyamide hot of 2170A, 2170B, GM950 or GM795 etc.No matter adopt which kind of model, as long as production requirement of the present invention can be met.
In above-mentioned low-pressure injection molding step, injection moulding low pressure is chosen as 0.6MPa ~ 0.85MPa.Select the injection moulding low pressure of above-mentioned scope, the mold clamping force requirement of low-pressure injection molding process can be met, encapsulation base material is reliably wrapped in ignite the welding position of part 11 and the outer surface of ignition control circuit plate, form complete packaging body 13, thus can effectively avoid encapsulating incomplete phenomenon, be conducive to the qualification rate improving ignition control module 10 product in production process.
In above-mentioned low-pressure injection molding step, injection pressure is chosen as 0.3MPa ~ 0.6MPa, select the injection pressure of this scope, the mold clamping force requirement in low-pressure injection molding process can be met on the one hand, on the other hand, above-mentioned pressure also can be guaranteed can not cause damage to the components and parts on ignition control circuit plate and solder joint, is conducive to the qualification rate improving ignition control module product in production process equally.Further, for improving the production efficiency of ignition control module product, above-mentioned injection pressure is preferably 0.4MPa.
In above-mentioned low-pressure injection molding step, the temperature of gluey encapsulation base material is chosen as 160 DEG C ~ 230 DEG C.Said temperature scope is conducive to guaranteeing that encapsulation base material can reliably melt, and simultaneously can ensure that the characteristic of encapsulation base material is not destroyed, prevent encapsulation base material due to temperature too high and occur carbonization, and then cause the production of ignition control module normally to carry out.Further, for enhancing productivity, the temperature of above-mentioned encapsulation base material is preferably 180 DEG C ~ 210 DEG C, is best with 190 DEG C.
Above-mentioned feeding device is chosen as bucket-shaped container or rectangular vessel.No matter adopt the feeding device of which kind of shape, as long as production requirement of the present invention can be reached.
In the present invention, in ignition control module group 40, the quantity of ignition control module can design according to Production requirement, as long as can reach technical purpose of the present invention.
The present invention also provides a kind of production method of ignition control module 10, after the production method executing above-mentioned ignition control module group 40, also comprise the step of the connector 35 removed in ignition control module group 40, thus obtain the ignition control module 10 as shown in Fig. 5, Fig. 6 or Fig. 7.Said method achieves the mass production of ignition control module, is conducive to the production efficiency improving ignition control module.
Claims (16)
1. a digital electric detonator ignition control module group, is characterized in that:
Described ignition control module group comprises ignition control circuit plate group, multiple part and multiple packaging body of igniting, and described ignition control circuit plate group is formed by connecting by connector by multiple ignition control circuit plate,
Described ignition control circuit plate, described in ignite part and described packaging body one_to_one corresponding,
To ignite part described in the first end welding of described ignition control circuit plate, the welding position of part of igniting described in the described packaging body formed by the mode of low-pressure injection molding is wrapped in and the outer surface of described ignition control circuit plate; Second end of described ignition control circuit plate extends described packaging body, is connected to described connector.
2., according to ignition control module group according to claim 1, it is characterized in that:
The centre-to-centre spacing of described ignition control circuit plate adjacent in described ignition control circuit plate group is equal.
3., according to the ignition control module group described in claim 1 or 2, it is characterized in that:
Described packaging body is distributed with a pair instrument connection, the described welding position of part of igniting described in described instrument connection leads to respectively.
4. as claims 1 to 3 arbitrary as described in the production method of ignition control module group, it is characterized in that:
The method comprises the following steps:
Sectional fixture step, fixes multiple part special fixture of igniting, and forms part group of igniting;
Welding step, by ignition control circuit plate group and described part bond pads of igniting, makes the first end of ignition control circuit plate be electrically connected correspondingly with described part of igniting;
Add mould step, mould is put in the welding position of part of igniting described in each and described ignition control circuit plate group;
Filling step, puts into feeding device by encapsulation base material;
Low-pressure injection molding step, under certain injection moulding low pressure, injects gluey described encapsulation base material with certain injection pressure in described mould; Naturally, after cooling, described encapsulation base material forms multiple packaging body, each described packaging body be wrapped in respectively each described in ignite the welding position of part and the outer surface of each described ignition control circuit plate, the second end of each described ignition control circuit plate extends described packaging body.
5., according to production method according to claim 4, it is characterized in that:
Described mould comprises multiple working chamber, and the centre-to-centre spacing of adjacent described working chamber is equal with the centre-to-centre spacing of described ignition control circuit plate adjacent in described ignition control circuit plate group.
6., according to the production method described in claim 4 or 5, it is characterized in that:
Described encapsulation base material is PUR.
7., according to production method according to claim 6, it is characterized in that:
Described PUR is polyamide hot.
8., according to production method according to claim 7, it is characterized in that:
The model of described polyamide hot is 2170A, 2170B, 6208S, GM950, GM795 or MM5035S.
9., according to the production method described in claim 4,5,7 or 8, it is characterized in that:
In described low-pressure injection molding step, described injection moulding low pressure is 0.6MPa ~ 0.85MPa.
10., according to the production method described in claim 4,5,7 or 8, it is characterized in that:
In described low-pressure injection molding step, described injection pressure is 0.3MPa ~ 0.6MPa.
11., according to production method according to claim 10, is characterized in that:
In described low-pressure injection molding step, described injection pressure is 0.4MPa.
12., according to the production method described in claim 4,5,7,8 or 11, is characterized in that:
In described low-pressure injection molding step, the temperature of the described encapsulation base material of described glue is 160 DEG C ~ 230 DEG C.
13., according to production method according to claim 12, is characterized in that:
In described low-pressure injection molding step, the temperature of the described encapsulation base material of described glue is 180 DEG C ~ 210 DEG C.
14., according to production method according to claim 13, is characterized in that:
In described low-pressure injection molding step, the temperature of the described encapsulation base material of described glue is 190 DEG C.
15., according to the production method described in claim 4,5,7,8,11,13 or 14, is characterized in that:
Described feeding device is bucket-shaped container or rectangular vessel.
The production method of 16. 1 kinds of ignition control module, is characterized in that:
After the production method of arbitrary described ignition control module group executing claim 4 ~ 15, also comprise the step of the connector removed in described ignition control module group.
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| CN201310450316.6A CN104457455B (en) | 2013-09-25 | 2013-09-25 | Digital electric detonator ignition control module group and its production method |
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| CN201310450316.6A CN104457455B (en) | 2013-09-25 | 2013-09-25 | Digital electric detonator ignition control module group and its production method |
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Cited By (2)
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| CN106802114A (en) * | 2017-03-10 | 2017-06-06 | 贵州全安密灵科技有限公司 | Novel electron detonator control module structure and its special tool of production and production method |
| CN109780948A (en) * | 2019-02-02 | 2019-05-21 | 北京凯米迈克科技有限公司 | A kind of multiple igniter carrier tooling |
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| CN109780948A (en) * | 2019-02-02 | 2019-05-21 | 北京凯米迈克科技有限公司 | A kind of multiple igniter carrier tooling |
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| CN104457455B (en) | 2019-01-22 |
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