CN1176690A - Electric detonator and lead connector assembly - Google Patents
Electric detonator and lead connector assembly Download PDFInfo
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- CN1176690A CN1176690A CN 95197708 CN95197708A CN1176690A CN 1176690 A CN1176690 A CN 1176690A CN 95197708 CN95197708 CN 95197708 CN 95197708 A CN95197708 A CN 95197708A CN 1176690 A CN1176690 A CN 1176690A
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Abstract
A detonator assembly wherein an electric lead is connected with an electric connector keeps the end of the lead at a non-conducting and waterproof status and makes the lead connect with another pair of electric leads without connecting tool. The length of the electric lead should be selected to insert the assembly into the explosive charge; thereby the electric connector can be included in the perforation hole of the explosive charge. The packaging member of the detonator assembly includes at least one frame disk made of flame retardant materials. The detonator assembly is tightly fixed in a parallel elongated groove on the top of the frame disk, and can be kept at original position when the frame disk is inclined or inversed. The detonator assembly is arranged in an alternate way to make the detonator end surface of adjacent assembly lie on the opposite side of the frame disk. Furthermore, the grooves in each frame disk are arranged with space thereby the distance between detonators is larger than one inch; the thickness of each frame disk is about one inch and the distance between the detonators in adjacent frame disks is less than one inch.
Description
Invention field
The present invention relates generally to be used for the detonation device of explosive, the spy is electric detonation Hong the device that is connected with the electrical lead connector in addition.
Summary of the invention
The present invention relates to the detonator sub-assembly that uses with booster charge.This sub-assembly comprises an electric cap and two electrical leads that length is identical.One end of each lead-in wire links to each other with electric cap, and the other end links to each other with electric connector.This connector is characterised in that and can makes the end of two electrical leads be in non-conductive state.The length of lead-in wire is chosen to make electric connector can all be included in the through hole (throughbore) of booster charge when detonator sub-assembly and booster charge are assembled together.
The present invention further comprises the package that is used for many detonator sub-assemblies.This package comprises at least one frame dish (tray), and the top of frame dish is provided with many parallel elongate grooves, and each groove shapes is suitable for clamping ground and accepts single detonator sub-assembly.
The present invention further comprises having many package frame dishes that contain the parallel elongate groove of detonator sub-assembly, and described detonator sub-assembly is included in the described groove in an alternating manner, and the detonator end of adjacent set component is positioned at the relative edge of frame dish.
Further, the present invention includes the package frame dish with the parallel elongate groove that contains many detonator sub-assemblies, the space of described groove keeps the detonator part of detonator sub-assembly at a distance of at least 1 inch.
The invention still further relates to the package that comprises many lamination frame dishes.Each lamination frame dish has many parallel elongate grooves, and each groove contains a detonator sub-assembly, each groove about 1 inch thick, detonator sub-assembly in the adjacent frame dish is retained to looks younger apart from 1 inch.
At last, the present invention includes the method for assembling electric cap and booster charge.At first, select to contain the booster charge of first end face and the second end face medicine body, the blind hole (blind bore) that is positioned at an end is accepted detonator, extends to second end face at a distance of the through hole of certain distance from first end face with blind hole.
Select a detonator sub-assembly.This detonator sub-assembly comprises an electric cap with first end face and second end face, one has the electric connector of first end face and second end face and is connected detonator first end face and a pair of electrical lead of connector first end face, and the length of described lead-in wire is slightly larger than the distance of blind hole and through hole in the booster charge.
Select the length of payment to a porter.Described payment to a porter comprises a pair of electrical lead and has first end and second end.
Select first end of the payment to a porter of length to pass through hole in the booster charge medicine body, first end that makes the payment to a porter of selecting length extends to a segment distance outside the through hole from first end face of booster charge medicine body.To select first end of the payment to a porter of length to link to each other then with electric connector second end of detonator sub-assembly.Insert detonator again, make second end of detonator at first enter into the blind hole of booster charge first end, payment to a porter is tightly pulled out through through hole.
Brief Description Of Drawings
Fig. 1 is the perspective view of detonator sub-assembly of the present invention.
Fig. 2 uses the side cross-sectional view of detonator sub-assembly in booster charge for explanation.
Fig. 3 is the perspective view of package that contains the detonator sub-assembly of the present invention of many lamination frame dishes.
Fig. 4 is the profile along 4-4 hatching among Fig. 3.
The detailed description of preferred version
Electric cap and electric detonator typically comprise a spot of explosive loading in metal-back.Detonator has two electrical leads of certain-length, and this electrical lead is called as " payment to a porter ".Detonator with various payment to a porter length can be buied, and described payment to a porter length is as 16 feet, 24 feet, 50 feet etc.Detonator also can be made into to have different period of delays, as 24ms, 50ms etc.Under the specific payment to a porter length and the situation of specific delays phase of given conventional detonator product, should at length plan and buy the specific detonator product of correct number for obtaining maximum effectiveness.
To have required period of delay but payment to a porter length detonator improperly in order using, the payment to a porter of other length can be connected to the end of detonator payment to a porter.Current industrial standard requires the end of detonator payment to a porter to connect along separate routes by following method: peel off several inches insulation sleeves, the exposed conductive core of lead-in wire is partly twisted with the fingers together, cover in the exposed part of lead-in wire again with non-conductive protective sleeve.Can reduce the possibility that spuious electric charge activates detonator like this.In order to connect other payment to a porter, the payment to a porter end that adds by twist with the fingers strand or utilize curl instrument and detonator payment to a porter wire stripping engaged at end together.Though effect is fine, this joint method is very consuming time and very inconvenient at the explosion scene.
The invention provides and contain the payment to a porter detonator sub-assembly of short conventional detonator relatively that links to each other.The free end of payment to a porter links to each other with an electric connector, rather than is connected to each other.This electric connector keeps end to be in waterproof, non-conductive state and allows payment to a porter to engage not using wire stripping or curl under the condition of instrument with other payment to a porter.
Detonator sub-assembly of the present invention is designed to use with conventional booster charge.For this reason, payment to a porter should be lacked relatively, makes that electric connector is included in the through hole of booster charge when sub-assembly is placed in the booster charge.Can when putting into blast hole, booster charge protect connector injury-free like this.
Further, should be understood that detonator sub-assembly of the present invention in most of the cases can reduce the material cost in the blasting engineering.This is that this cost is higher than the payment to a porter cost of batch process basically because the price of conventional detonator has comprised the cost of payment to a porter.In addition, detonator sub-assembly permission operator of the present invention needs only when buying detonator and considers the period of delay of detonator simply, and does not need to consider simultaneously period of delay and payment to a porter length.This has just simplified the plan and the execution of blasting engineering, can intercourse because have the detonator of same delay phase.
Because payment to a porter is short, so can many detonator sub-assemblies are packaging together.The package of the application of the invention, many detonators can transport and store together safely.The package that comprises multilayer frame dish keeps all detonators in package at least at a distance of 1 inch.Also have, according to the present invention, the detonator end of sub-assembly is to arrange in the mode that replaces, and the detonator of adjacent set component is positioned at the relative edge of package.Thus, in unexpected detonation accident, the impact of blast igniting primer is not facing to other detonator in the package.Through the description of following preferred version, these and other advantage of the present invention will be very obvious.
Consider accompanying drawing, particularly Fig. 1 below, represented the detonator sub-assembly that is made of the present invention among the figure, this sub-assembly is represented with reference number 10.The detonator sub-assembly comprises an electric detonator 12.Conventional detonator is applicable to the present invention, and detonator 12 has first end face 14 and second end face 16.
Sub-assembly further comprises a pair of electrical lead 18, and its length has first end 20 and second end 22 about equally.First end 20 of lead-in wire links to each other with first end face 14 of detonator 12.Lead-in wire 18 is conventional electric wires, comprises conductive core and insulating coating.Sub-assembly 10 also further comprises an electric connector 24 with first end face 26 and second end face 28.First end face 26 of connector 24 links to each other with second end 22 of two electrical leads 18.Electric connector 24 is characterised in that second end that can keep two electrical leads 18 is in non-conductive state and preferably is in waterproof state.Connector 24 also allows to make under the condition of not using joining tool two electrical leads 18 with another similar electrical lead to be engaged with waterproof, high tensile form.
The preferred electric connector that is used for this purpose is that (Oklahoma City, name OK) is called the commercially available connector of ClipMateTM in ClipMate company.This electric connector is described in detail in the United States Patent (USP) of publishing August 28 nineteen ninety 4,952,167, and the content of this patent is hereby incorporated by reference.
Below with reference to Fig. 2, the purposes of detonator sub-assembly 10 is described now.The shape of conventional booster charge 30 generally is cylindrical.First blind hole 32 extends to a segment distance in the booster charge 30 by first end face 34.Second through hole 36 extends to the other end or second end 38 by first end face 34 through booster charge 30.
The method according to this invention is selected the length of conventional payment to a porter 40.Payment to a porter 40 comprises a pair of electrical lead and has first end 42 and second end 44.Payment to a porter 40 is passed through hole 36 with clamping, thereby makes first end 42 of payment to a porter 40 extend to a segment distance outside the through hole 36 at first end, 34 places of booster charge 30.
Then, first end 42 of payment to a porter 40 and second end 26 of the connector 24 of sub-assembly 10 be with United States Patent (USP) 4,952, and the method for describing in 167 connects.Detonator 12 with sub-assembly 10 is inserted in the blind hole 32 then, and payment to a porter 40 is pulled out tightly through through hole 36, and connector 24 protections are in through hole.So assembling, booster charge 30 can be inserted (not shown) in the blast hole, perhaps locatees with the main charge that detonates in known manner.
The volume that should be appreciated that electric connector 24 now should be the through hole 36 that can easily put into booster charge 30.The length that further should be appreciated that the lead-in wire of two between the connector 24 and detonator 18 in sub-assembly 10 should be enough to by the distance between the hole 32 and 36 on first end 34 of booster charge 30 with unfolding.
Yet lead-in wire 18 length is preferably less than the summation of distance between hole 32 and 36 and through hole 36 length.Like this, when sub-assembly 10 during through booster charge 30 tension, connector 24 will just in time be positioned at the inside of booster charge.This will make connector 24 avoid damage when booster charge 30 is put into blast hole.For this reason, the length of lead-in wire 18 is preferably about half inch to about 12 inches, and more preferably about 1 inch to about 3 inches, most preferably about 2 inches.
First end, 34 places at booster charge 30 provide a gathering sill 46 also to need, and this gathering sill is extended to the port of through hole 36 by the port of blind hole 32.When straining payment to a porter through through hole 36, when locating detonator in through hole, the middle part of two electrical leads 18 will be overlayed in the gathering sill 46.Booster charge 30 of assembling is stablized for this and protection lead-in wire 18 is avoided damage.
Consider Fig. 3 below, this Figure illustrates the preferred detonator sub-assembly of the present invention package.Generally the package by reference number 50 expressions comprises at least one frame dish 52, more preferably comprises many these class frame dishes.Frame dish 52 can all be made by light weight, fire proofing material such as polystyrene foam.
The frame dish is preferably rectangle and has top 54, has formed many parallel elongate grooves in the top 54 of frame dish, and groove is with reference number 56 expressions.The length of groove 56 approximately with the equal in length of a detonator sub-assembly 10.The degree of depth of groove 56 equates approximately that with the width of the connector of sub-assembly 24 sub-assembly can not protrude the top of frame dish 52 more than 54 like this.The size of groove 56 should tightly be clamped the both sides of the connector 24 of detonator sub-assembly 10.Like this, if 52 overturnings of frame dish, detonator sub-assembly 10 will can not fall and frame dish 52.
Shown in Fig. 3 and 4, package 50 comprises many frame dishes 52 that stack each other, and the thickness of each frame dish is at least 1 inch.Like this, when the frame dish was stacked together, the detonator sub-assembly in the adjacent frame dish was at least at a distance of 1 inch.As seen from Figure 4, the placement of frame dish makes the detonator sub-assembly that is positioned at adjacent frame dish end face also arrange in an alternating manner, and the end face of detonator is positioned at the relative edge of frame dish each other.
In the present invention preferably put into practice, each frame dish 52 had about 25 grooves.Yet for the purpose of simplifying the description, frame dish 52 only has 10 grooves among the figure.Similarly, although in the preferred business practice of the present invention, merged about 10 frame dishes in each packing, 4 frame dish laminations have only been indicated among the figure.Package 50 preferably is encapsulated in generally well-known " shrink wrapping " transparent wrapper paper.
In the spirit and scope that in not leaving claims of the present invention, limit, can carry out the merging of various parts described herein, element, step and method and the change of arrangement.
Claims (29)
1. detonator sub-assembly that uses with booster charge, this booster charge has first end face and second end face, have blind hole in first end face, and extend to the through hole of second end face with described blind hole has a certain distance from first end face, described detonator sub-assembly comprises:
The electric cap that can place described blind hole;
The electrical lead of two equal length, every electrical lead has first end and second end, and first end of two electrical leads links to each other with electric cap; An electric connector that links to each other with two electrical lead second ends, this connector are characterised in that and can keep second end of two electrical leads to be in non-conductive state each other;
Wherein the length of two electrical leads is greater than the distance between blind hole and the through hole in booster charge first end face, and the length of lead-in wire is less than the summation of distance between blind hole and the through hole and through hole length, when assembling booster charge and detonator, electric connector is completely contained in the through hole of booster charge.
2. according to the sub-assembly of claim 1, wherein the length of two electrical leads is about 0.5 inch to about 12 inches.
3. according to the sub-assembly of claim 2, wherein the length of two electrical leads is about 1 inch to about 3 inches.
4. according to the sub-assembly of claim 3, wherein the length of two electrical leads is 2 inches.
5. according to the sub-assembly of claim 1, wherein electric connector is further characterized in that and can keeps the end of electrical lead to be in waterproof state.
6. according to the sub-assembly of claim 1, wherein electric connector further comprises:
High tensile ground engages two electrical leads of sub-assembly and another is to electrical lead under the condition of not using joining tool.
7. the package of a detonator sub-assembly comprises many detonator sub-assemblies, and each sub-assembly comprises:
A general electric cap that constitutes sub-assembly first end face;
The electrical lead of two equal length respectively has first end and second end, and first end of each lead-in wire links to each other with electric cap; With
An electric connector that links to each other with two electrical lead second ends, this connector are characterised in that and can keep second end of two electrical leads to be in non-conductive state that wherein electric connector generally constitutes second end face of sub-assembly;
Described package comprises that also at least one has the frame dish on a top;
Wherein the top of frame dish is provided with many parallel elongate grooves, and each groove shapes is suitable for clamping ground and accepts single detonator sub-assembly.
8. according to the package of the detonator sub-assembly of claim 7, wherein electric connector is further characterized in that and can keeps the end of electrical lead to be in waterproof state.
9. according to the package of the detonator sub-assembly of claim 7, wherein electric connector be further characterized in that can be under the condition of not using joining tool high tensile ground engage two electrical leads of sub-assembly and another is to similar electrical lead.
10. according to the package of claim 7, wherein many detonator sub-assemblies are arranged in an alternating manner, and first end with any other detonator sub-assembly is not adjacent to make first end face of any one detonator sub-assembly.
11. according to the package of claim 10, wherein the groove in the frame dish is separated by about 0.5 inch, makes first end of adjacent two detonator sub-assemblies at a distance of about 1 inch.
12. according to the package of claim 11, this package comprises many frame dishes that stack, wherein each frame dish about 1 inch thick, make detonator sub-assembly in the adjacent frame dish at a distance of at least 1 inch.
13. according to the package of claim 11, wherein the frame dish is all made by fire proofing.
14. according to the package of claim 7, wherein the frame dish is all made by fire proofing.
15. the package of a detonator sub-assembly comprises many detonator sub-assemblies, each sub-assembly comprises: a general electric cap that constitutes sub-assembly first end face;
The electrical lead of two equal length respectively has first end and second end, and first end of each lead-in wire links to each other with electric cap; And
An electric connector that links to each other with two electrical lead second ends, this connector are characterised in that and can keep second end of two electrical leads to be in non-conductive state that wherein electric connector generally constitutes second end face of sub-assembly;
Described package comprises that also at least one has the frame dish on a top;
Wherein the top of frame dish is provided with many parallel elongate grooves;
Wherein each detonator sub-assembly is included in each groove, and the groove arrangement of being separated by makes it possible to keep first end face of detonator sub-assembly at least at a distance of about 1 inch.
16. according to the package of the detonator sub-assembly of claim 15, wherein electric connector is further characterized in that and can keeps the end of electrical lead to be in waterproof state.
17. according to the package of the detonator sub-assembly of claim 15, wherein electric connector be further characterized in that can be under the condition of not using joining tool high tensile ground engage two electrical leads of sub-assembly and another is to similar electrical lead.
18. according to the package of claim 15, be separated by about 0.5 inch and detonator sub-assembly of its further groove arranged in an alternating manner, make first end face of adjacent detonator sub-assembly be positioned at the relative edge of frame dish and also two sub-assemblies replacing at least at a distance of about 1 inch.
19. according to the package of claim 18, wherein package comprises many dishes, each frame dish about 1 inch thick, make detonator sub-assembly in the adjacent frame dish at least at a distance of 1 inch.
20. according to the package of claim 19, wherein the frame dish is all made by fire proofing.
21. according to the package of claim 15, wherein the frame dish is all made by fire proofing.
22. according to the package of claim 15, wherein each groove shapes in the frame dish is for can tightly clamping first end face of the detonator sub-assembly that is comprised.
23. the package of a detonator sub-assembly comprises many detonator sub-assemblies, each sub-assembly comprises: a general electric cap that constitutes sub-assembly first end face;
The electrical lead of two equal length respectively has first end and second end, and first end of each lead-in wire links to each other with electric cap; And
An electric connector that links to each other with two electrical lead second ends, this connector are characterised in that and can keep second end of two electrical leads to be in non-conductive state that wherein electric connector generally constitutes second end face of sub-assembly;
Described package comprises that also at least one has the frame dish on a top;
Wherein the top of frame dish is provided with many parallel elongate grooves;
Wherein each detonator sub-assembly is included in each groove and the detonator sub-assembly is arranged in an alternating manner, makes first end face of adjacent detonator sub-assembly be positioned at the relative edge of frame dish.
24. according to the package of the detonator sub-assembly of claim 23, wherein electric connector is further characterized in that the end that can protect capable electrical lead is in waterproof state.
25. according to the package of the detonator sub-assembly of claim 23, wherein electric connector be further characterized in that can be under the condition of not using joining tool high tensile ground engage two electrical leads of sub-assembly and another is to similar electrical lead.
26. according to the package of claim 23, wherein package comprises many dishes, each frame dish be about 1 inch thick, make that the detonator sub-assembly in the adjacent frame dish keeps at a distance of about at least 1 inch.
27. according to the package of claim 26, wherein the frame dish is made by fire proofing.
28. according to the package of claim 23, wherein the frame dish is made by fire proofing.
29. a method of assembling electric detonator and booster charge, the method comprising the steps of:
Select a booster charge, this powder charge has the medicine body that contains first end face and second end face, at the one end one blind hole that is used to accept electric detonator is arranged, and a through hole, and this through hole and blind hole are separated by a distance and extend to second end face from first end face;
Select a detonator sub-assembly, this sub-assembly comprises the electric detonator with first end face and second end face, have the electric connector of first end face and second end face and a pair of electrical lead that links to each other with electric connector first end face with detonator first end face, the length of described lead-in wire is slightly larger than the distance between the through hole in blind hole and the booster charge;
Select the length of payment to a porter, this payment to a porter comprises a pair of electrical lead and has first end and second end;
Through hole in the booster charge medicine body is passed in the payment to a porter of selecting length, make first end of the payment to a porter of selecting length extend to outside the through hole in first end of booster charge medicine body;
Second end of the electric connector of detonator sub-assembly is linked to each other with first end of the payment to a porter of selecting length;
Insert detonator, make second end of detonator at first enter into the blind hole of booster charge first end face; And
Payment to a porter is tightly pulled out through through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95197708 CN1176690A (en) | 1995-02-24 | 1995-02-24 | Electric detonator and lead connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95197708 CN1176690A (en) | 1995-02-24 | 1995-02-24 | Electric detonator and lead connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1176690A true CN1176690A (en) | 1998-03-18 |
Family
ID=5083318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95197708 Pending CN1176690A (en) | 1995-02-24 | 1995-02-24 | Electric detonator and lead connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1176690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103339465A (en) * | 2010-11-03 | 2013-10-02 | 欧米亚集团（私有）有限公司 | Connector |
-
1995
- 1995-02-24 CN CN 95197708 patent/CN1176690A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103339465A (en) * | 2010-11-03 | 2013-10-02 | 欧米亚集团（私有）有限公司 | Connector |
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