CN210806737U - Special explosion-proof lightning protection box for gas pipeline - Google Patents
Special explosion-proof lightning protection box for gas pipeline Download PDFInfo
- Publication number
- CN210806737U CN210806737U CN201922365599.XU CN201922365599U CN210806737U CN 210806737 U CN210806737 U CN 210806737U CN 201922365599 U CN201922365599 U CN 201922365599U CN 210806737 U CN210806737 U CN 210806737U
- Authority
- CN
- China
- Prior art keywords
- shell
- surge protector
- protection box
- lightning protection
- lightning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a special explosion-proof formula lightning protection box of gas pipeline, include: the lightning surge protector module is arranged on the shell; the lightning surge protector module is located inside the shell, is connected with the front and the back of the gas pipeline flange section respectively through a wire, is free of an insulating shielding layer and is protected by a wire in a grounded mode. The utility model discloses can effectively take precautions against direct attack thunder and response thunder and follow the pipeline and transmit to both ends, can eliminate the both ends potential difference simultaneously, have good lightning protection function.
Description
Technical Field
The utility model relates to a special type electrical technology field, concretely relates to special explosion-proof formula lightning protection box of gas pipeline.
Background
With the gradual implementation of national policies of energy conservation and emission reduction, coal-to-gas and the like, town gas is rapidly developed. By the end of 2016, the number of families using natural gas in China exceeds 1 hundred million families, the total length of pipelines exceeds 52 kilometers, and the popularization rate of town gas reaches 95%, so that the natural gas becomes one of the most critical energy sources for production and life of town residents. However, the rapid development of town gas systems raises a number of safety management issues, of which lightning protection safety is one of the most important. When the area where the gas pipeline is located is struck by lightning, the gas pipeline can induce and generate over-voltage of kilovolt. The overvoltage reaches the insulating section through the gas pipeline, the insulating section has voltage-resistant level, and when the overvoltage exceeds the voltage-resistant level, the insulating section can be punctured, so that the rear-end equipment is damaged and personnel are injured.
The prior art can not effectively prevent direct lightning and inductive lightning from being transmitted to two ends along a pipeline; the model selection and adaptation are not carried out according to the perfection measures of the direct lightning protection and the inductive lightning protection of the metal pipeline of the gas field station, so that a good lightning protection effect cannot be achieved; the potential difference is large and thus causes damage to the backend equipment and injury to personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a special explosion-proof formula lightning protection box of gas pipeline can effectively take precautions against direct attack thunder and response thunder and follow the pipeline and transmit to both ends, can eliminate the both ends potential difference simultaneously, has good lightning protection function.
In order to achieve the above object, the utility model provides a special explosion-proof type lightning protection box of gas pipeline, include: the lightning surge protector module is arranged on the shell; the lightning surge protector module is located inside the shell, is connected with the front and the back of the gas pipeline flange section respectively through a wire, is free of an insulating shielding layer and is protected by a wire in a grounded mode.
Preferably, the shell is also internally provided with a wiring terminal, and wires of the lightning surge protector module are respectively connected with the front part and the rear part of the flange section of the gas pipeline and the grounding protection part through the wiring terminal.
Preferably, the lower end of the shell is provided with a wiring cavity, and a wire for connecting the gas pipeline and the ground protection enters the shell through the wiring cavity.
Further, the lightning surge protector module is a discharge gap type lightning surge protector.
Furthermore, the wiring terminal is an increased safety wiring terminal.
Preferably, the shell is provided with a shell cover, one side of the shell cover is connected to the shell through a hinge, and the other three sides of the shell cover are connected with the shell through bolts.
Preferably, a sealing ring is arranged at the joint of the shell cover and the shell.
Preferably, the surface of the shell is provided with a plastic spraying layer.
Preferably, the housing is provided with a ground protection.
Preferably, the wiring cavity has three, and the wiring cavity is equipped with the sealing washer.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the aluminum alloy material is adopted, so that the corrosion resistance and the wind resistance are strong;
2. the service life is long, the installation is simple, and the maintenance is free;
3. the grounding is more effective, the gas pipeline is safer and more reliable, and the protection range is larger.
Drawings
FIG. 1 is a schematic view of the internal structure of the utility model after installation;
fig. 2 is a schematic external structural view of the present invention;
in the figure: the lightning surge protection device comprises a 1-lightning surge protection device module, a 2-shell, a 3-wiring terminal, a 4-gas pipeline and a 5-wiring cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model discloses a special explosion-proof formula lightning protection box of gas pipeline, include: the lightning surge protector comprises a shell 2 and a lightning surge protector module 1; inside lightning surge protector module 1 was located casing 2, lightning surge protector module 1 had the wire to link to each other with 4 flange sections of gas pipeline preceding, back respectively, the wire does not have the insulating barrier layer, and lightning surge protector module 1 has wire ground protection.
Preferably, a wiring terminal 3 is further arranged in the shell, and wires of the lightning surge protector module 1 are respectively connected with the front and the back of the flange section of the gas pipeline 4 and the grounding protection through the wiring terminal.
Preferably, the lower end of the shell 2 is provided with a wiring cavity 5, and a lead for connecting the gas pipeline 4 and the ground protection enters the shell 2 through the wiring cavity 5.
Further, the lightning surge protector module 1 is a discharge gap type lightning surge protector.
Further, the connecting terminal 3 is an increased safety type connecting terminal.
Preferably, the housing 2 is provided with a housing cover, one side of the housing cover is connected to the housing 2 through a hinge, and the other three sides of the housing cover are connected to the housing 2 through bolts.
Preferably, a sealing ring is arranged at the joint of the shell cover and the shell body 2.
Preferably, the surface of the shell 2 is provided with a plastic spraying layer.
Preferably, the housing 2 is provided with a ground protection.
Preferably, there are three wiring cavities 3, and the wiring cavities 3 are provided with sealing rings.
The specific implementation mode is as follows: the utility model is well installed and fixed, the gas pipeline 4 and the shell 2 are protected by grounding both inside and outside, the lightning surge protector module 1, the wiring terminal 3 and the gas pipeline 4 are connected in series through a wire, and the wire passes through the wiring cavity 5 from the inside of the shell 2 and is connected with the gas pipeline 4; when lightning strike occurs, over-voltage of kilovolt can be induced on the gas pipeline 4, when the over-voltage reaches the front end of the flange section, the gas pipeline 4 is connected with the protection module 1 in series, so the over-voltage cannot pass through the flange section, potential difference cannot be formed at the front end and the rear end of the flange section, and the over-voltage cannot puncture the flange section; overvoltage gets into the lightning protection case through the wire, through binding post 3, binding post 3 is for increasing the special binding post of ampere type, and through thunder and lightning surge protector module 1 again, thunder and lightning surge protector module 1 is discharge gap type thunder and lightning surge protector, and unnecessary overcurrent flows into the underground through the earth connection simultaneously to equipment and personnel safety at protection flange section rear end.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a special explosion-proof formula lightning protection case of gas pipeline which characterized in that includes: the lightning surge protector comprises a shell (2) and a lightning surge protector module (1); thunder and lightning surge protector module (1) is located inside casing (2), and thunder and lightning surge protector module (1) has the wire to link to each other with preceding, the back of gas pipeline flange section respectively, the wire does not have the insulation barrier layer, and thunder and lightning surge protector module (1) has wire ground protection.
2. The special explosion-proof lightning protection box for gas pipelines according to claim 1, characterized in that: still be provided with binding post (3) in casing (2), the wire of thunder and lightning surge protector module (1) is connected with gas pipeline (4) flange section preceding, back and ground protection respectively through binding post (3).
3. The special explosion-proof lightning protection box for gas pipelines according to claim 1, characterized in that: the lower end of the shell (2) is provided with a wiring cavity (5), and a wire for connecting the gas pipeline (4) and the ground protection enters the shell through the wiring cavity (5).
4. The special explosion-proof lightning protection box for the gas pipeline as claimed in claim 1 or 2, wherein: the lightning surge protector module (1) is a discharge gap type lightning surge protector.
5. The special explosion-proof lightning protection box for gas pipelines according to claim 2, characterized in that: the wiring terminal (3) is an increased safety wiring terminal.
6. The special explosion-proof lightning protection box for gas pipelines according to claim 1, characterized in that: the shell (2) is provided with a shell cover, one edge of the shell cover is connected to the shell (2) through a hinge, and the rest three edges of the shell cover are connected with the shell (2) through bolts.
7. The special explosion-proof lightning protection box for gas pipelines according to claim 6, characterized in that: and a sealing ring is arranged at the joint of the shell cover and the shell body (2).
8. The special explosion-proof lightning protection box for gas pipelines according to claim 1, characterized in that: and a plastic spraying layer is arranged on the surface of the shell (2).
9. The special explosion-proof lightning protection box for gas pipelines according to claim 1, characterized in that: the shell (2) is provided with a ground protection.
10. The special explosion-proof lightning protection box for gas pipelines according to claim 3, characterized in that: the wiring cavities (5) are three, and the wiring cavities (5) are provided with sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365599.XU CN210806737U (en) | 2019-12-25 | 2019-12-25 | Special explosion-proof lightning protection box for gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365599.XU CN210806737U (en) | 2019-12-25 | 2019-12-25 | Special explosion-proof lightning protection box for gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210806737U true CN210806737U (en) | 2020-06-19 |
Family
ID=71226831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922365599.XU Active CN210806737U (en) | 2019-12-25 | 2019-12-25 | Special explosion-proof lightning protection box for gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210806737U (en) |
-
2019
- 2019-12-25 CN CN201922365599.XU patent/CN210806737U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201401288Y (en) | Wind generating set utilizing lightning protection design scheme | |
| CN111740349B (en) | Overhead ground wire configuration method for power distribution network and overhead ground wire | |
| CN205089532U (en) | Wind generating set lightning protection system and contain wind generating set of this system | |
| CN210806737U (en) | Special explosion-proof lightning protection box for gas pipeline | |
| CN203367747U (en) | High-efficient safe lightning protection system | |
| CN211930256U (en) | Lightning protection circuit for protecting box type transformer | |
| CN212516715U (en) | Non-breakdown insulator with built-in reinforcing structure design | |
| CN109586226A (en) | The method and device of steel tower tower head overvoltage when a kind of inhibition transmission line lightning stroke | |
| CN206707941U (en) | A kind of movement or the anti-lightning strike protection device of fixed object | |
| CN201690231U (en) | Nonlinear neutral point ground resistor | |
| CN201742088U (en) | Protecting device of weighing equipment | |
| CN205646796U (en) | Mining monitoring substation surge protection circuit | |
| CN203496704U (en) | Lightning strike restraining type overhead contact system of electrified rail tractive power supply system | |
| CN111200268B (en) | Installation method of safety lightning arrester | |
| CN207503744U (en) | A kind of rear loading type arrester | |
| CN205911730U (en) | Cable cross -bonding case with pressure relief device | |
| CN103138254B (en) | Adjustable excess voltage protective gap fine lightning protection method of power distribution network | |
| CN102570482A (en) | High voltage parallel capacitor device based on neutral point direct grounding mode | |
| CN208335900U (en) | A kind of novel elbow-type arrester | |
| CN207038963U (en) | A kind of lightning protection power distribution cabinet | |
| CN206023160U (en) | Line flashover protector | |
| CN110164638A (en) | The electric transmission line lightning arrester device of the air gap is adjusted according to environmental data | |
| CN215868826U (en) | Insulator lightning protection structure | |
| CN205986080U (en) | Circuit flashover protector | |
| CN205533026U (en) | Device suitable for wind turbine generator system reduces thunder and lightning calamity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |