CN219286640U - Intrinsic safety antenna leading-out device in flameproof shell - Google Patents
Intrinsic safety antenna leading-out device in flameproof shell Download PDFInfo
- Publication number
- CN219286640U CN219286640U CN202320302989.6U CN202320302989U CN219286640U CN 219286640 U CN219286640 U CN 219286640U CN 202320302989 U CN202320302989 U CN 202320302989U CN 219286640 U CN219286640 U CN 219286640U
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- Prior art keywords
- explosion
- antenna
- sma
- proof shell
- mounting plate
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- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 5
- 239000003822 epoxy resin Substances 0.000 claims abstract description 4
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 6
- 229910001285 shape-memory alloy Inorganic materials 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an intrinsic safety antenna leading-out device in an explosion-proof shell, which comprises a general antenna, a mounting plate, a communicating piece and an explosion-proof shell cavity wall, wherein the general antenna is connected with an SMA (shape memory alloy) antenna connector, the SMA antenna connector is connected with an insulating sleeve, and the insulating sleeve is locked with the mounting plate; the SMA antenna connector is connected with the radio frequency cable, the mounting plate is arranged on the device main part, epoxy resin glue is filled in the device main part, the communicating part is connected with the cavity wall of the explosion-proof shell, the sealing ring and the compression ring are arranged in the communicating part, and the radio frequency cable penetrates through the sealing ring and the compression ring to enter the explosion-proof shell. According to the utility model, the antenna is directly screwed on the explosion-proof shell, so that the convenient selection is provided for wireless products with the mining explosion-proof shell, the cost is saved, and the production and the use are convenient.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to an intrinsic safety antenna lead-out device in an explosion-proof shell.
Background
With the development of wireless operation, wireless equipment is applied to various explosion-proof electrical appliances in coal mine in large quantity, and then the wireless equipment is characterized by needing a radio frequency antenna, but the existing explosion-proof shell only can be connected with a common cable inlet device, the cable is led out of the shell, and the antenna is additionally installed. Only the antenna and the flameproof housing can be used as separate parts.
Disclosure of Invention
The utility model aims to provide horizontal test equipment for engineering supervision, which can realize that an antenna and an explosion-proof shell form an integral product.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the intrinsic safety antenna extraction device in the explosion-proof shell comprises a universal antenna, a mounting plate, a communicating piece and an explosion-proof shell cavity wall, wherein the universal antenna is connected with an SMA (shape memory alloy) antenna connector, the SMA antenna connector is connected with an insulating sleeve, and the insulating sleeve is locked with the mounting plate;
the SMA antenna connector is connected with the radio frequency cable, the mounting plate is arranged on the device main part, and epoxy resin glue is filled in the device main part;
the communication piece is connected with the cavity wall of the explosion-proof shell, a sealing ring and a compression ring are arranged in the communication piece, and the radio frequency cable passes through the sealing ring and the compression ring to enter the explosion-proof shell.
Further, the SMA antenna connector is integrally compression-cast with the insulating sleeve.
Further, the insulating sleeve is locked with the mounting plate through an insulating nut.
Further, the radio frequency cable is provided with an SMA interface, and the SMA interface is screwed with an internal end interface of the SMA antenna connector.
Further, the communicating piece is welded with the explosion-proof housing cavity wall.
Compared with the prior art, the utility model has the beneficial effects that:
the antenna is directly screwed on the flameproof shell, so that the convenient first choice is provided for wireless products with the mining flameproof shell, the cost is saved, and the production and the use are convenient.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Reference numerals: 1 general antenna, 2 SMA antenna connector, 3 insulating sleeve, 4 mounting panel, 5 insulating nut, 6 radio frequency cable, 7 device main parts, 8 clamping rings, 9 sealing rings, 10 communicating parts, 11 explosion-proof shell cavity walls.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1, please refer to fig. 1:
the intrinsic safety antenna extraction device in the explosion-proof shell is characterized in that a general antenna 1 is connected with an SMA antenna connector 2, and the SMA antenna connector 2 and an insulating sleeve 3 are die-cast into a whole;
after the insulating sleeve 3 passes through the mounting plate 4, the insulating nut 5 is adopted for locking, and the radio frequency cable 6 with the SMA interface is screwed on the internal end interface of the SMA antenna connector 2, so that cable communication is realized;
mounting the mounting plate 4 on the device main part 7 with the sealing strip by using screws, and injecting epoxy resin glue into a cavity of the device main part 7 after the mounting is finished, so that the glue is solidified into an integrated component I;
the communicating piece 10 and the explosion-proof shell cavity wall 11 are welded into a whole, and a sealing ring 9 and a compression ring 8 are placed in the communicating piece 10;
the radio frequency cable 6 exposed out of the component I passes through the compression ring 8 and the sealing ring 9 to enter the explosion-proof cavity to be electrically connected with a wireless circuit component on an internal circuit of the explosion-proof cavity, so that a wireless function is realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The intrinsic safety antenna leading-out device in the explosion-proof shell comprises a universal antenna (1), a mounting plate (4), a communicating piece (10) and an explosion-proof shell cavity wall (11), and is characterized in that the universal antenna (1) is connected with an SMA antenna connector (2), the SMA antenna connector (2) is connected with an insulating sleeve (3), and the insulating sleeve (3) is locked with the mounting plate (4);
the SMA antenna connector (2) is connected with the radio frequency cable (6), the mounting plate (4) is arranged on the device main part (7), and epoxy resin glue is filled in the device main part (7);
the communication piece (10) is connected with the explosion-proof housing cavity wall (11), a sealing ring (9) and a compression ring (8) are arranged inside the communication piece (10), and the radio frequency cable (6) penetrates through the sealing ring (9) and the compression ring (8) to enter the explosion-proof housing.
2. The intrinsic safety antenna lead-out device in the explosion-proof shell according to claim 1, wherein the SMA antenna connector (2) is die-cast with the insulating sleeve (3).
3. The intrinsically safe antenna lead-out device in the explosion-proof housing according to claim 1, wherein the insulating sleeve (3) is locked with the mounting plate (4) through an insulating nut (5).
4. The intrinsic safety antenna lead-out device in the explosion-proof shell according to claim 1, wherein the radio frequency cable (6) is provided with an SMA interface, and the SMA interface is screwed with an internal end interface of the SMA antenna connector (2).
5. The intrinsic safety antenna lead-out device in an explosion-proof housing according to claim 1, wherein the communication piece (10) is welded with the explosion-proof housing cavity wall (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320302989.6U CN219286640U (en) | 2023-02-24 | 2023-02-24 | Intrinsic safety antenna leading-out device in flameproof shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320302989.6U CN219286640U (en) | 2023-02-24 | 2023-02-24 | Intrinsic safety antenna leading-out device in flameproof shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219286640U true CN219286640U (en) | 2023-06-30 |
Family
ID=86914930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320302989.6U Active CN219286640U (en) | 2023-02-24 | 2023-02-24 | Intrinsic safety antenna leading-out device in flameproof shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219286640U (en) |
-
2023
- 2023-02-24 CN CN202320302989.6U patent/CN219286640U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intrinsic safety antenna lead out device inside explosion-proof shell Granted publication date: 20230630 Pledgee: Bank of China Limited by Share Ltd. Xuzhou Copper Mt branch Pledgor: Xuzhou Zhongkuang Yunhuo Information Technology Co.,Ltd. Registration number: Y2024320000022 |