CN106711919A - Anti-explosion fire extinguishing apparatus for 56-500kV high-voltage cable joints - Google Patents
Anti-explosion fire extinguishing apparatus for 56-500kV high-voltage cable joints Download PDFInfo
- Publication number
- CN106711919A CN106711919A CN201611088952.9A CN201611088952A CN106711919A CN 106711919 A CN106711919 A CN 106711919A CN 201611088952 A CN201611088952 A CN 201611088952A CN 106711919 A CN106711919 A CN 106711919A
- Authority
- CN
- China
- Prior art keywords
- explosion
- cable
- housing
- extinguishing device
- fire
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
Abstract
The invention discloses an anti-explosion fire extinguishing device for 56-500kV high-voltage cable joints. The anti-explosion fire extinguishing apparatus structurally comprises a shell, an energy releasing hole and a sealing plug, and is characterized in that the shell is fixedly connected with the energy releasing hole, and the sealing plug is connected with the shell. According to the anti-explosion fire extinguishing apparatus for 56-500kV high-voltage cable joints, an integral sealing ring is designed on the shell, a specially-made anti-explosion winding tape is wound around at the part of a cable straight joint, and a temperature sensing fire extinguishing device is installed on the cable straight joint. When the cable straight joint has a breakdown or short-circuit accident and the cable straight joint is on fire or exploded, the specially-made anti-explosion winding tape plays a role of fire prevention and explosion impact force buffering, the temperature sensing fire extinguishing device automatically starts instantaneously to extinguish the fire, the energy releasing hole is adjusted in installation so as to enable the energy releasing hole to be directed at a safe direction, the energy releasing hole is sealed by using a silicon rubber energy releasing sealing gasket and a flange after installation, the energy releasing hole can be bounced off to release energy once the cable intermediate joint explodes, and the shell can prevent damages imposed on other cables or channels by explosion of the cable intermediate joint.
Description
Technical field
The present invention is a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device, belongs to high-tension cable technical field.
Background technology
18 power network great anti-accident measures (revised edition) 13.2.1.5 of State Grid Corporation of China in 2011 prevent cable fire
The outermost layer of the non-direct-burried cable connector of calamity should coat fire proofing, oil-filled cable joint and lay the joint of intensive midium voltage cable
Closed using fire resisting anti-explosion groove box.13.2.2.1 the in-service joint of cable close quarters should install fire prevention channel box additional or take other to prevent
Fiery quarantine measures.
It is known that anti-explosion product housing main material iron plate or steel plate, and product ontology must reach sealing；It is so-called explosion-proof
Refer to that explosion-proof can be just played in the case of hermetically sealed.If because cable produce spark when without hermetically sealed because aerobic
Gas, air, so can just produce fire, and then explode.If therefore anti-explosion product could not accomplish it is hermetically sealed in the case of
Explosion-proof effect must not be reached.
And we will reach expected effect from cable explosion-proof box, reason can be summarized as five kinds of situations：1. cable
Annex quality problem；2. (such as in payout, cable sheath damage and water inflow or cable put rear envelope useless well to cable quality problem
Cap is sealed against, and cable is in wet condition)；3. cable accessory mounting process problem；4. running environment problem；5. overload operation, electric
The too high problems of excessive heat of cable joint temperature.
Our cable mid head majority is run in cable duct or cable shaft, so there are many accidents by operation ring
Border influence, a greater part of factor is accounted at least, because of often bubble operation in water, make moist, situations such as enter air, then there is end
Puncture, spontaneous combustion, more serious other cable also be wound after blast blow up or even burn.If armored cassette is hermetically sealed
The cable mid head that can avoid often bubble runs in water, make moist, situations such as enter air, there is the probability of accident in attenuating, keep away
Exempt to be preferably minimized loss when there is accident.
The content of the invention
In view of the shortcomings of the prior art, go out it is an object of the present invention to provide a kind of 56-500kV high-voltage cable joints are explosion-proof
Fiery device, to solve.
To achieve these goals, the present invention is to realize by the following technical solutions：A kind of 56-500kV high-tension electricities
Cable joint explosion-proof fire-extinguishing device, its structure includes housing, lets out energy hole, sealing-plug, and the housing is fixedly connected with energy hole is let out, described
Sealing-plug is connected with housing.
Further, the periphery of the housing has reinforcement.
Further, the cable straight coupling position of the housing winds special explosion-proof tape wrap.
Further, the cable straight coupling of the housing loads onto temperature-sensing fire extinguishing device.
Further, the screw hole inner side edge on the housing is provided with seal groove.
Further, the formation tightening mouth diameter at the housing two ends can adjust.
A kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device of the invention, designs integral sealing ring on housing,
Special explosion-proof tape wrap is wound at cable straight coupling position, temperature-sensing fire extinguishing device is loaded onto in cable straight coupling.When cable is straight-through
Joint punctures or short circuit accident, on fire at cable straight coupling or explosion time, and special explosion-proof tape wrap will play fire prevention, buffering
The effect of explosive forces, temperature-sensing fire extinguishing device moment self-starting fire extinguishing, energy hole is let out in regulation during installation makes its safe direction of alignment,
Letting out energy sealing gasket and flange using silicon rubber after installing will let out energy hole and seal, once cable intermediate joint explodes, let out
Energy hole can flick rapidly lets out energy, and housing can prevent destruction of the cable intermediate joint blast to other cables or raceway groove.
Brief description of the drawings
The detailed description made to non-limiting example with reference to the following drawings by reading, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural representation of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device of the invention；
Fig. 2 be let out in Fig. 1 can be at hole partial sectional view；
In figure：Housing -1, let out can hole -2, sealing-plug -3
Specific embodiment
For technological means, creation characteristic, reached purpose and effect for making present invention realization are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
Fig. 1, Fig. 2 are referred to, the present invention provides a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device technique scheme：
Its structure include housing 1, let out can hole 2, sealing-plug 3, the housing 1 with let out can hole 2 be fixedly connected, the sealing-plug 3 and housing 1
Connection, the cable straight coupling position that the periphery of the housing 1 has reinforcement, the housing 1 winds special explosion-proof tape wrap, institute
The cable straight coupling for stating housing 1 loads onto temperature-sensing fire extinguishing device, and the screw hole inner side edge on the housing 1 is provided with seal groove,
The formation tightening mouth diameter at the two ends of the housing 1 can adjust.
When being used, after housing 1 installs cable intermediate joint, preventing fires, arc resistant band is first wrapped to be installed
Cable intermediate joint on, then wind special explosion-proof tape wrap, fire extinguishing Material Containment in armored cassette shell, then install explosion-proof
Box housing, confirms that screw all goes up (rotation) tightly, and when being short-circuited, when on fire at cable intermediate joint, fire prevention arc resistant band will be played
Arc resistant makes the effect of fiery not external combustion；Energy hole 2 is let out in regulation during installation makes its safe direction of alignment, and silicon rubber is used after installing
Let out can sealing-plug 3 will let out can hole sealing, when cable intermediate joint occur explosion time, let out can sealing-plug 3 can open rapidly let out can,
Housing 1 can prevent destruction of the cable intermediate joint blast to other cables or other circuits.
General principle of the invention and principal character and advantages of the present invention has been shown and described above, for this area skill
For art personnel, it is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and without departing substantially from it is of the invention spirit or
In the case of essential characteristic, the present invention can be in other specific forms realized.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, and the scope of the present invention is by appended claims rather than above stating
Bright restriction, it is intended that all changes fallen in the implication and scope of the equivalency of claim are included in the present invention
It is interior.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (6)
1. a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device, it is characterised in that：Its structure includes housing (1), lets out energy
Hole (2), sealing-plug (3), the housing (1) are fixedly connected with energy hole (2) is let out, and the sealing-plug (3) is connected with housing (1).
2. a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device according to claim 1, it is characterised in that；It is described
The periphery of housing (1) has reinforcement.
3. a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device according to claim 1, it is characterised in that：It is described
The cable straight coupling position of housing (1) winds special explosion-proof tape wrap.
4. a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device according to claim 1, it is characterised in that：It is described
The cable straight coupling of housing (1) loads onto temperature-sensing fire extinguishing device.
5. a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device according to claim 1, it is characterised in that：It is described
Screw hole inner side edge on housing (1) is provided with seal groove.
6. a kind of 56-500kV high-voltage cable joints explosion-proof fire-extinguishing device according to claim 1, it is characterised in that：It is described
The formation tightening mouth diameter at housing (1) two ends can adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088952.9A CN106711919A (en) | 2016-11-30 | 2016-11-30 | Anti-explosion fire extinguishing apparatus for 56-500kV high-voltage cable joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611088952.9A CN106711919A (en) | 2016-11-30 | 2016-11-30 | Anti-explosion fire extinguishing apparatus for 56-500kV high-voltage cable joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106711919A true CN106711919A (en) | 2017-05-24 |
Family
ID=58934451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611088952.9A Pending CN106711919A (en) | 2016-11-30 | 2016-11-30 | Anti-explosion fire extinguishing apparatus for 56-500kV high-voltage cable joints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106711919A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039692A (en) * | 2017-10-19 | 2018-05-15 | 国网浙江杭州市萧山区供电公司 | A kind of cable connector explosion-proof fire-extinguishing protecting box |
| CN108599088A (en) * | 2018-04-28 | 2018-09-28 | 国网北京市电力公司 | Cable connector protective device |
| CN110486469A (en) * | 2018-05-14 | 2019-11-22 | 许继集团有限公司 | The box body sealing structure and sealing ring of on-pole switch |
| CN111624447A (en) * | 2020-05-22 | 2020-09-04 | 长沙理工大学 | Method for measuring and estimating explosion wave energy generated by short-circuit electric arc of high-voltage cable joint |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231283A1 (en) * | 2005-04-19 | 2006-10-19 | Stagi William R | Cable connector having fluid reservoir |
| CN202384738U (en) * | 2012-01-12 | 2012-08-15 | 刘金炜 | Energy release-type cable middle connector explosion-proof safe protection box |
| CN204615345U (en) * | 2015-04-03 | 2015-09-02 | 重庆大业电气有限责任公司 | Cable joint explosive-proof protector box |
-
2016
- 2016-11-30 CN CN201611088952.9A patent/CN106711919A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060231283A1 (en) * | 2005-04-19 | 2006-10-19 | Stagi William R | Cable connector having fluid reservoir |
| CN202384738U (en) * | 2012-01-12 | 2012-08-15 | 刘金炜 | Energy release-type cable middle connector explosion-proof safe protection box |
| CN204615345U (en) * | 2015-04-03 | 2015-09-02 | 重庆大业电气有限责任公司 | Cable joint explosive-proof protector box |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039692A (en) * | 2017-10-19 | 2018-05-15 | 国网浙江杭州市萧山区供电公司 | A kind of cable connector explosion-proof fire-extinguishing protecting box |
| CN108599088A (en) * | 2018-04-28 | 2018-09-28 | 国网北京市电力公司 | Cable connector protective device |
| CN110486469A (en) * | 2018-05-14 | 2019-11-22 | 许继集团有限公司 | The box body sealing structure and sealing ring of on-pole switch |
| CN111624447A (en) * | 2020-05-22 | 2020-09-04 | 长沙理工大学 | Method for measuring and estimating explosion wave energy generated by short-circuit electric arc of high-voltage cable joint |
| CN111624447B (en) * | 2020-05-22 | 2022-07-29 | 长沙理工大学 | Method for measuring and estimating explosion wave energy generated by short-circuit electric arc of high-voltage cable joint |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170524 |