CN210113516U - Structure for protecting electronic detonator control module circuit by adopting insulating sleeve - Google Patents
Structure for protecting electronic detonator control module circuit by adopting insulating sleeve Download PDFInfo
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- CN210113516U CN210113516U CN201920310885.3U CN201920310885U CN210113516U CN 210113516 U CN210113516 U CN 210113516U CN 201920310885 U CN201920310885 U CN 201920310885U CN 210113516 U CN210113516 U CN 210113516U
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Abstract
The utility model discloses an adopt insulation support to carry out the structure protected to electron detonator control module circuit, the cladding has outside to seal the colloid on electron detonator control module, but expose electron detonator control module's foot line input and bridgewire terminal, outside at electron detonator control module is equipped with insulation support, foot line input exposes outside insulation support, the bridgewire terminal is in insulation support, the insulation support's that bridgewire terminal locates one end is uncovered structure, form one-way open ignition charge injection region between the inner chamber of insulation support's uncovered structure one end and the outside colloid of sealing. The insulating sleeve is additionally arranged outside the electronic detonator control module to provide a good and stable working environment for the electronic detonator control module, and particularly, the insulating sleeve protects the electronic detonator control module from being influenced by electromagnetic interference signals generated in the blasting process, so that the aim of protecting the electronic control module to normally work is fulfilled, and the blind blasting phenomenon generated in the blasting process of the electronic detonator is avoided.
Description
Technical Field
The utility model relates to an electronic detonator category technical field in the priming sytem field specifically is an adopt insulation support to carry out the structure protected to electronic detonator control module circuit.
Background
At present, the electronic detonator is widely popularized and used in China, a metal tube with the wall thickness of about 0.3mm is generally used as a detonator body, the outer diameter of the metal tube is about 6.5-8mm, and an electronic control module is installed in the metal tube and protected by the metal tube. The electronic detonator has many production quality control measures, compared with the traditional products, the time delay is accurate, the safety is high, but the defect of high anti-explosion rate is caused when the electronic detonator is exposed to a certain environment in the use process, particularly under the condition that the distance between blast holes is less than 30 cm. Through analysis and use experience summary, strong electromagnetic interference can be generated mainly under the comprehensive action of detonators, explosives and rocks which are detonated first in a detonation delay network, the normal work of an internal circuit of an electronic detonator can be influenced by the interference signal, the peak value of interference voltage can reach more than 1 kilovolt, the internal electronic control module of a detonator body can be caused to partially discharge a metal tube of a detonator shell, the internal electronic control module can not be normally delayed to ignite, and blind shots can be caused.
In order to solve the above problems, the technical staff provides a method for realizing the anti-electromagnetic interference protection of the electronic detonator control module inside the detonator by adding an insulating sleeve outside the electronic detonator control module.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a following technical scheme has increased insulation support in the electron detonator control module outside, and aim at realizes the anti-electromagnetic interference protection to the inside electron detonator control module of geminate transistors body.
In order to achieve the above object, the utility model provides a following technical scheme:
adopt insulation support to carry out the structure protected to electronic detonator control module circuit, including electronic detonator control module, the cladding has outside to seal the colloid on electronic detonator control module, but expose electronic detonator control module's foot line input end and bridgewire terminal, be equipped with insulation support in electronic detonator control module's outside, foot line input end exposes outside insulation support, bridgewire terminal is in insulation support, the insulation support's that bridgewire terminal located one end is uncovered structure, form one-way open ignition powder injection region between the inner chamber of insulation support's uncovered structure one end and the outside colloid of sealing.
The insulating sleeve covers the outer sealing colloid completely, and the length of the end head part of the ignition powder injection region of the insulating sleeve exceeds the front end face of the bridgewire terminal.
The shape and size of the outer sealing colloid correspond to those of the inner wall of the insulating sleeve, and the outer wall of the outer sealing colloid is completely attached to the inner wall of the insulating sleeve, so that no gap exists between the inner wall of the insulating sleeve and the outer wall of the outer sealing colloid. The insulating sleeve and the external sealing colloid can be bonded by glue. Or the insulating sleeve made of the thermal contraction material is sleeved outside the external sealing colloid body, and then the insulating sleeve is heated and contracted by hot air, so that the inner wall of the insulating sleeve is tightly attached to the outer wall of the external sealing colloid body, no gap is generated, the insulating sleeve is well fixed on one hand, and the injected liquid initiating explosive is completely positioned in the ignition charge injection region on the other hand.
The insulating sleeve is made of insulating materials. The insulating sleeve can be made of injection molding or blow molding plastic materials, such as PP, PE and the like, and can also be made of heat shrinkage materials.
The wall thickness of the insulating sleeve is 0.3-0.8 mm.
In subsequent production, pour into liquid ignition powder into ignition powder injection region and then directly dry the solidification, this kind of mode has reduced that conventional ignition head dips in the powder and operates complicacy, the security is low, the inconsistent problem of appearance, ignition powder injection region can concentrate the efflux to the head with ignition powder initiation energy, improves initiation ability, and insulating sleeve provides the protection for ignition powder simultaneously.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the utility model discloses realize protecting electron detonator control module at the outside insulating sleeve that increases of electron detonator control module, have following advantage: the electronic detonator control module circuit is subjected to sealing glue protection treatment and then sleeved with an insulating sleeve, and simple treatment is carried out to ensure that the inner wall of the insulating sleeve is tightly attached to the outer wall of the external sealing glue body without generating gaps. The structure can provide a stable working environment for the electronic control module, and protect the electronic detonator control module from being influenced by electromagnetic interference signals generated in the blasting process; thirdly, the one-way open region that insulating sleeve and electronic control module's bridgewire terminal formed can provide a regular region as later stage injection ignition powder, only need with liquid ignition powder pour into this regional back go on dry solidification can, this insulating sleeve can fine protection to ignition powder not damaged in later stage assembly process, can also concentrate ignition powder initiating energy toward the front end and form the efflux simultaneously, improve the initiating ability. The applicant designs a scheme with a similar structure, the scheme adopts a metal sleeve with an insulated outer wall and needs to contact the inner wall of the metal sleeve through a metal elastic sheet, and compared with the design of the metal elastic sheet, the structure reduces the difficulty of the production process, reduces the material and processing cost of the elastic sheet, and has relatively simple operation and low cost.
Drawings
FIG. 1 is a schematic view of a product of the electronic control module of the present invention after low pressure injection molding with an external sealant;
FIG. 2 is a schematic diagram of a product of the electronic control module of the present invention after being sleeved with an insulating sleeve;
FIG. 3 is a schematic cross-sectional view of the electronic control module after being sleeved with an insulating sleeve according to the present invention;
Detailed Description
The following examples are provided only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
The implementation manner of the method is described in detail in conjunction with the accompanying description of the utility model:
the embodiment of the invention comprises the following steps: adopt insulation support to carry out the structure protected to electronic detonator control module circuit, including electronic detonator control module 1, the cladding has outside to seal colloid 101 on electronic detonator control module 1, but expose electronic detonator control module 1's foot line input 102 and bridgewire terminal 103, be equipped with insulation support 201 in electronic detonator control module 1's outside, foot line input 102 exposes outside insulation support 201, bridgewire terminal 103 is in insulation support 201, the one end of insulation support 201 that bridgewire terminal 103 was located is open structure, form one-way open ignition charge injection region 301 between the inner chamber of insulation support 201's open structure one end and the outside colloid 101 of sealing.
The insulating sleeve 201 entirely covers the external sealant 101, and the length of the end portion of the ignition charge injection region 301 of the insulating sleeve 201 exceeds the front end face of the bridgewire terminal 103.
The shape and size of the external sealing colloid 101 correspond to those of the inner wall of the insulating sleeve 201, and the outer wall of the external sealing colloid 101 is completely attached to the inner wall of the insulating sleeve 201, so that no gap exists between the inner wall of the insulating sleeve 201 and the outer wall of the external sealing colloid 101.
The insulating sleeve 201 is made of insulating materials. The insulating sleeve can be made of injection molding or blow molding plastic materials, such as PP, PE and the like, and can also be made of heat shrinkage materials.
The wall thickness of the insulating sleeve 201 is 0.3-0.8 mm.
As shown in the attached drawing 1, the schematic diagram of the electronic detonator control module 1 after the chip mounting is completed and the low-pressure injection molding is completed is shown, the electronic detonator control module 1 is regular in appearance after the low-pressure injection molding, and the external sealing colloid 101 can well protect the electronic detonator control module 1 from being damaged by external force and can play a role in moisture protection and static prevention. As shown in fig. 2, after the external sealing colloid 101 is sleeved with the insulating sleeve 201, glue may be added between the inner wall of the insulating sleeve 201 and the outer wall of the external sealing colloid 101 for bonding, or the insulating sleeve 201 is made of a heat-shrinkable material, and the insulating sleeve is sleeved and heated by hot air, so that the insulating sleeve is tightly wrapped on the external sealing colloid.
Therefore, the electromagnetic interference protection of the insulating sleeve on the electronic detonator control module is realized, the electronic detonator control module is ensured to be in a stable working environment, and the phenomenon that the electronic detonator is subjected to blind blasting due to electromagnetic interference signals generated in the blasting environment is avoided.
Claims (5)
1. The utility model provides an adopt insulating sleeve to carry out structure protected to electronic detonator control module circuit, including electronic detonator control module (1), a serial communication port, the cladding has outside packing colloid (101) on electronic detonator control module (1), but expose foot line input (102) and bridging filament terminal (103) of electronic detonator control module (1), outside at electronic detonator control module (1) is equipped with insulating sleeve (201), foot line input (102) expose outside insulating sleeve (201), bridging filament terminal (103) are in insulating sleeve (201), the one end of insulating sleeve (201) that bridging filament terminal (103) were located is open structure, form one-way open ignition powder injection district (301) between the inner chamber of the open structure one end of insulating sleeve (201) and outside packing colloid (101).
2. The structure for protecting the circuit of the electronic detonator control module by using the insulating sleeve according to claim 1, wherein the insulating sleeve (201) entirely covers the outer sealant (101), and the length of the end portion of the ignition charge injection region (301) of the insulating sleeve (201) exceeds the front end face of the bridgewire terminal (103).
3. The structure for protecting the circuit of the electronic detonator control module by using the insulating sleeve according to claim 1 or 2, wherein the shape and size of the external sealant (101) correspond to those of the inner wall of the insulating sleeve (201), and the outer wall of the external sealant (101) completely adheres to the inner wall of the insulating sleeve (201), so that no gap is formed between the inner wall of the insulating sleeve (201) and the outer wall of the external sealant (101).
4. The structure for protecting the circuit of the electronic detonator control module by using the insulating sleeve according to claim 1 or 2, wherein the insulating sleeve (201) is made of an insulating material.
5. The structure for protecting the circuit of the electronic detonator control module by using the insulating sleeve according to claim 4, wherein the wall thickness of the insulating sleeve (201) is 0.3-0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920310885.3U CN210113516U (en) | 2019-03-12 | 2019-03-12 | Structure for protecting electronic detonator control module circuit by adopting insulating sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920310885.3U CN210113516U (en) | 2019-03-12 | 2019-03-12 | Structure for protecting electronic detonator control module circuit by adopting insulating sleeve |
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| Publication Number | Publication Date |
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| CN210113516U true CN210113516U (en) | 2020-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920310885.3U Active CN210113516U (en) | 2019-03-12 | 2019-03-12 | Structure for protecting electronic detonator control module circuit by adopting insulating sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750746A (en) * | 2020-06-12 | 2020-10-09 | 贵州久联民爆器材发展股份有限公司九八四四生产分公司 | Method and structure for improving transportation and ignition capability of ignition element of electronic detonator |
-
2019
- 2019-03-12 CN CN201920310885.3U patent/CN210113516U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750746A (en) * | 2020-06-12 | 2020-10-09 | 贵州久联民爆器材发展股份有限公司九八四四生产分公司 | Method and structure for improving transportation and ignition capability of ignition element of electronic detonator |
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