CN106786329A - A kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint - Google Patents
A kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint Download PDFInfo
- Publication number
- CN106786329A CN106786329A CN201611086054.XA CN201611086054A CN106786329A CN 106786329 A CN106786329 A CN 106786329A CN 201611086054 A CN201611086054 A CN 201611086054A CN 106786329 A CN106786329 A CN 106786329A
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- CN
- China
- Prior art keywords
- waveform pipe
- pipe
- proof
- waveform
- explosion
- 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.)
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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
-
- 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
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
Abstract
The invention discloses a kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint, including cable inner core, groove and screwed hole, the left and right two ends of the first waveform pipe are respectively connected with the second waveform pipe, and second one end of waveform pipe be connected with the 3rd waveform pipe, the first waveform pipe, the left and right sides at the second waveform pipe and the 3rd waveform ttom of pipe end opens up fluted, the first waveform pipe, the left and right sides of the second waveform pipe and the 3rd waveform pipe offers screwed hole, include waterproof gasket cement and waterproof grommet between the 3rd waveform pipe and cable sheath.The fire-proof and explosion-proof protection device of the high-voltage cable middle joint is using the explosion-proof waveform pipe of energy energy-absorbing; waveform pipe outside offers pre-buried explosion-proof relief point; explosion time can occur; pressure release is carried out by assigned direction; other facilities are avoided damage to, bomb fragments are involved to personal injury and the probability of property loss effectively to reduce blast impulse.
Description
Technical field
The present invention relates to high-tension cable protection technique field, specially a kind of fire-proof and explosion-proof protection of high-voltage cable middle joint
Device.
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.
With the popularization of power cable chemical industry journey, cable fault rate also increases therewith, and a host of facts are proved, most electricity
Cable accident is relevant with cable accessory, particularly cable intermediate joint, and existing cable intermediate joint, security performance is relatively low, in hair
Raw explosion time damages other facilities, causes any property loss, and sealing is poor, it is impossible to suitable under water or adverse circumstances, existing
More serious potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint, to solve the above-mentioned back of the body
The cable intermediate joint security performance of proposition is relatively low in scape technology, sealing is poor and there is a problem of more serious potential safety hazard.
To achieve the above object, the present invention provides following technical scheme：A kind of fire-proof and explosion-proof guarantor of high-voltage cable middle joint
Protection unit, including cable inner core, cable sheath, anti-flaming thermal-insulation layer, the first waveform pipe, pre-buried explosion-proof relief point, the second wave
Shape pipe, the 3rd waveform pipe, waterproof gasket cement, waterproof grommet, fire seal, groove and screwed hole, first wave
The left and right two ends of shape pipe are respectively connected with the second waveform pipe, and one end of the second waveform pipe is connected with the 3rd waveform pipe, institute
State and pre-buried explosion-proof relief point be provided with the top of the first waveform pipe, the inside of the first waveform pipe is provided with anti-flaming thermal-insulation layer,
And the inside of anti-flaming thermal-insulation layer includes cable inner core and cable sheath, the first waveform pipe, the second waveform pipe and the
The left and right sides at three waveform ttom of pipe ends opens up fluted, and in groove be fitted together to have fire seal, first waveform
The left and right sides of pipe, the second waveform pipe and the 3rd waveform pipe offers screwed hole, the 3rd waveform pipe and cable
Include waterproof gasket cement and waterproof grommet between crust.
Preferably, the first waveform pipe, the second waveform pipe and the 3rd waveform pipe are beryllium-bronze material, and
The wave mode of one waveform pipe, the second waveform pipe and the 3rd waveform pipe is U-shaped wave mode.
Preferably, pre-buried explosion-proof relief point is provided with the top of the first waveform pipe, and pre-buried explosion-proof relief point is opened altogether
It is provided with eight.
Preferably, the anti-flaming thermal-insulation layer is ceramic fibre material.
Preferably, open up fluted inside the 3rd waveform pipe, and in groove be fitted together to have waterproof grommet.
Compared with prior art, the beneficial effects of the invention are as follows：The fire-proof and explosion-proof protection device of the high-voltage cable middle joint
Using the explosion-proof waveform pipe of energy energy-absorbing, the U-shaped wave mode of waveform pipe, and use beryllium-bronze material, it is ensured that occurring
During the situation of electric arc heat release boosting, the wave of waveform pipe can absorb part energy, housing radial dimension under pressure
Increase, reach explosion-proof effect, internal anti-flaming thermal-insulation layer is ceramic fibre, and ceramic fibre is a kind of excellent fire proofed wood
Material, has the advantages that small lightweight, high temperature resistant, thermal capacitance, insulation excellent heat insulating performance, high-temperature heat insulation are functional, non-toxic, makes
Obtain overall structure simple, easy for installation, safe and reliable, the waveform pipe is provided with groove, and inside grooves are chimeric to have fire prevention close
Packing and waterproof grommet, it is ensured that the sealing effectiveness of cable connector, and suitable under water or severe running environment, preventing cable from connecing
Head water inlet, it is ensured that the reliability service of cable, waveform pipe outside offers pre-buried explosion-proof relief point, explosion time can occur, and presses
Assigned direction carries out pressure release, it is to avoid destroy other facilities, with effectively reduce blast impulse involve bomb fragments to personal injury and
The probability of property loss.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the present invention；
Fig. 2 is left part structural representation of the present invention；
Fig. 3 is pre-buried explosion-proof relief point structural representation of the invention；
Fig. 4 is the first waveform tubular construction schematic diagram of the invention；
Fig. 5 is the second waveform tubular construction schematic diagram of the invention.
In figure：1st, cable inner core, 2, cable sheath, 3, anti-flaming thermal-insulation layer, the 4, first waveform pipe, 5, pre-buried explosion-proof relief
Point, the 6, second waveform pipe, the 7, the 3rd waveform pipe, 8, waterproof gasket cement, 9, waterproof grommet, 10, fire seal, 11,
Groove, 12, screwed hole.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-5 are referred to, the present invention provides a kind of technical scheme：A kind of fire-proof and explosion-proof protection dress of high-voltage cable middle joint
Put, including the 3, first waveform pipe 4 of cable inner core 1, cable sheath 2, anti-flaming thermal-insulation layer, pre-buried explosion-proof relief point 5, the second wave
Shape pipe 6, the 3rd waveform pipe 7, waterproof gasket cement 8, waterproof grommet 9, fire seal 10, groove 11 and screwed hole 12, the
The left and right two ends of one waveform pipe 4 are respectively connected with the second waveform pipe 6, and one end of the second waveform pipe 6 is connected with the 3rd ripple
Shape wave pipe 7, opening up to be fitted together in fluted 11, and groove 11 inside the 3rd waveform pipe 7 has waterproof grommet 9, the waveform pipe
Groove 11 is provided with, the inside of groove 11 is fitted together to fire seal 10 and waterproof grommet 9, good airproof performance, and with waterproof, fire prevention
Function, the top of the first waveform pipe 4 is provided with pre-buried explosion-proof relief point 5, and pre-buried explosion-proof relief point 5 is offered at eight altogether,
Explosion time can occur, reduce critical pressure, bomb fragments are being involved to personal injury and property damage effectively to reduce blast impulse
The probability of mistake, the first waveform pipe 4, the second waveform pipe 6 and the 3rd waveform pipe 7 are beryllium-bronze material, and the first wave
The wave mode of shape pipe 4, the second waveform pipe 6 and the 3rd waveform pipe 7 is U-shaped wave mode, it is ensured that electric arc heat release liter is occurring
During the situation of pressure, the wave of waveform pipe can absorb part energy under pressure, and housing radial dimension increases, reaches anti-
Quick-fried effect, the top of the first waveform pipe 4 is provided with pre-buried explosion-proof relief point 5, the inside of the first waveform pipe 4 be provided with it is fire-retardant every
Thermosphere 3, and the inside of anti-flaming thermal-insulation layer 3 includes cable inner core 1 and cable sheath 2, anti-flaming thermal-insulation layer 3 is ceramic fibre material
Material, ceramic fibre is a kind of excellent refractory material, and with lightweight, high temperature resistant, thermal capacitance is small, it is good to be incubated heat-insulating property
Good, high-temperature heat insulation is functional, it is non-toxic the advantages of so that overall structure is simple, the first waveform pipe 4, the second waveform pipe 6
Open up to be fitted together in fluted 11, and groove 11 with the left and right sides of the bottom of the 3rd waveform pipe 7 and have fire seal 10, first
The left and right sides of waveform pipe 4, the second waveform pipe 6 and the 3rd waveform pipe 7 offers screwed hole 12, the 3rd waveform pipe
Include waterproof gasket cement 8 and waterproof grommet 9 between 7 and cable sheath 2.
Operation principle：In protection device fire-proof and explosion-proof using the high-voltage cable middle joint, need first to whole high pressure
The fire-proof and explosion-proof protection device of cable intermediate joint has the understanding in a structure, the first waveform pipe 4, the and of the second waveform pipe 6
3rd waveform pipe 7 is beryllium-bronze material, and U-shaped wave mode, it is ensured that when there is the situation of electric arc heat release boosting, ripple
The wave of shape wave pipe can absorb part energy under pressure, and housing radial dimension increases, and reaches explosion-proof effect, fire-retardant
Include cable inner core 1 inside thermal insulation layer 3, and anti-flaming thermal-insulation layer 3 is ceramic material, with lightweight, high temperature resistant, thermal capacitance it is small,
Insulation excellent heat insulating performance, high-temperature heat insulation be functional, it is non-toxic the advantages of, reduce high-tension cable and unexpected probability occur,
Open up to be fitted together in fluted 11, and groove 11 inside waveform pipe and have waterproof grommet 9 and fire seal 10, it is ensured that cable connects
The sealing effectiveness of head, and suitable under water or severe running environment, preventing cable connector from intaking, it is ensured that the reliability service of cable,
Waveform pipe top offers pre-buried explosion-proof relief point 5, and explosion time is occurring, and carries out pressure release by assigned direction, it is to avoid destroy it
His facility, effectively reduces blast impulse and involves bomb fragments to personal injury and the probability of property loss.
In sum, although being described in detail to the present invention with reference to the foregoing embodiments, for the technology of this area
For personnel, it can still modify to the technical scheme described in foregoing embodiments, or to which part technology
Feature carries out equivalent, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc.,
Should be included within protection scope of the present invention.
Claims (5)
1. the fire-proof and explosion-proof protection device of a kind of high-voltage cable middle joint, including cable inner core (1), cable sheath (2), it is fire-retardant every
It is thermosphere (3), the first waveform pipe (4), pre-buried explosion-proof relief point (5), the second waveform pipe (6), the 3rd waveform pipe (7), anti-
Watertight sealing (8), waterproof grommet (9), fire seal (10), groove (11) and screwed hole (12), it is characterised in that：It is described
The left and right two ends of the first waveform pipe (4) are respectively connected with the second waveform pipe (6), and one end of the second waveform pipe (6) connects
There is the 3rd waveform pipe (7), pre-buried explosion-proof relief point (5), first wave are provided with the top of the first waveform pipe (4)
The inside of shape pipe (4) is provided with anti-flaming thermal-insulation layer (3), and the inside of anti-flaming thermal-insulation layer (3) includes outside cable inner core (1) and cable
Open skin (2), the left and right sides of the first waveform pipe (4), the second waveform pipe (6) and the 3rd waveform pipe (7) bottom
It is provided with to be fitted together in groove (11), and groove (11) and has fire seal (10), the first waveform pipe (4), the second waveform
The left and right sides of pipe (6) and the 3rd waveform pipe (7) offers screwed hole (12), the 3rd waveform pipe (7) and cable
Include waterproof gasket cement (8) and waterproof grommet (9) between crust (2).
2. the fire-proof and explosion-proof protection device of a kind of high-voltage cable middle joint according to claim 1, it is characterised in that：It is described
First waveform pipe (4), the second waveform pipe (6) and the 3rd waveform pipe (7) are beryllium-bronze material, and the first waveform pipe
(4), the wave mode of the second waveform pipe (6) and the 3rd waveform pipe (7) is U-shaped wave mode.
3. the fire-proof and explosion-proof protection device of a kind of high-voltage cable middle joint according to claim 2, it is characterised in that：It is described
Pre-buried explosion-proof relief point (5) is provided with the top of first waveform pipe (4), and pre-buried explosion-proof relief point (5) is offered at eight altogether.
4. the fire-proof and explosion-proof protection device of a kind of high-voltage cable middle joint according to claim 1, it is characterised in that：It is described
Anti-flaming thermal-insulation layer (3) is ceramic fibre material.
5. the fire-proof and explosion-proof protection device of a kind of high-voltage cable middle joint according to claim 1, it is characterised in that：It is described
Opens up fluted (11) inside 3rd waveform pipe (7), and be fitted together in groove (11) and have waterproof grommet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086054.XA CN106786329A (en) | 2016-11-30 | 2016-11-30 | A kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086054.XA CN106786329A (en) | 2016-11-30 | 2016-11-30 | A kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106786329A true CN106786329A (en) | 2017-05-31 |
Family
ID=58914052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611086054.XA Pending CN106786329A (en) | 2016-11-30 | 2016-11-30 | A kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106786329A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857470A (en) * | 2018-07-25 | 2018-11-23 | 深圳市科益展自动化有限公司 | A kind of hollow harmonic wave four axis platform |
| CN109148233A (en) * | 2018-10-30 | 2019-01-04 | 江苏士林电气设备有限公司 | A kind of interlocking protective device of intelligent high-pressure cable termination |
| CN113161974A (en) * | 2021-04-28 | 2021-07-23 | 四川鑫电电缆有限公司 | Oil pipeline leakage monitoring induction comprehensive explosion-proof cable |
Citations (5)
| 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 |
| CN203086094U (en) * | 2012-11-28 | 2013-07-24 | 江苏安靠智能输电工程科技股份有限公司 | High-voltage cable joint protecting shell |
| 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 |
| CN206353688U (en) * | 2016-11-30 | 2017-07-25 | 广东安诺新材料科技有限公司 | A kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint |
-
2016
- 2016-11-30 CN CN201611086054.XA patent/CN106786329A/en active Pending
Patent Citations (5)
| 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 |
| CN203086094U (en) * | 2012-11-28 | 2013-07-24 | 江苏安靠智能输电工程科技股份有限公司 | High-voltage cable joint protecting shell |
| 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 |
| CN206353688U (en) * | 2016-11-30 | 2017-07-25 | 广东安诺新材料科技有限公司 | A kind of fire-proof and explosion-proof protection device of high-voltage cable middle joint |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108857470A (en) * | 2018-07-25 | 2018-11-23 | 深圳市科益展自动化有限公司 | A kind of hollow harmonic wave four axis platform |
| CN109148233A (en) * | 2018-10-30 | 2019-01-04 | 江苏士林电气设备有限公司 | A kind of interlocking protective device of intelligent high-pressure cable termination |
| CN113161974A (en) * | 2021-04-28 | 2021-07-23 | 四川鑫电电缆有限公司 | Oil pipeline leakage monitoring induction comprehensive explosion-proof cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |