CN206353688U - 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
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- CN206353688U CN206353688U CN201621306265.5U CN201621306265U CN206353688U CN 206353688 U CN206353688 U CN 206353688U CN 201621306265 U CN201621306265 U CN 201621306265U CN 206353688 U CN206353688 U CN 206353688U
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Abstract
The utility model 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 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 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; pre-buried explosion-proof relief point is offered on the outside of waveform pipe; can occur explosion time; pressure release is carried out by assigned direction; other facilities are avoided damage to, involve bomb fragments to personal injury and the probability of property loss effectively to reduce blast impulse.
Description
Technical field
The utility model is related to high-tension cable protection technique field, and specially a kind of high-voltage cable middle joint is fire-proof and explosion-proof
Protection device.
Background technology
The 18 great anti-accident measures of power network (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 the joint for laying 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.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage cable middle joint fire-proof and explosion-proof protection device, with solution
State that the cable intermediate joint security performance proposed in background technology is relatively low, sealing is poor and there is asking for more serious potential safety hazard
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of high-voltage cable middle joint fire prevention is anti-
Quick-fried protection device, including cable inner core, cable sheath, anti-flaming thermal-insulation layer, the first waveform pipe, pre-buried explosion-proof relief point, second
Waveform pipe, the 3rd waveform pipe, waterproof gasket cement, waterproof grommet, fire seal, groove and screwed hole, described first
The left and right ends of waveform pipe are respectively connected with the second waveform pipe, and one end of the second waveform pipe is connected with the 3rd waveform
Pipe, the top of the first waveform pipe is provided with pre-buried explosion-proof relief point, the inside of the first waveform pipe provided with it is fire-retardant every
Thermosphere, and the inside of anti-flaming thermal-insulation layer includes cable inner core and cable sheath, the first waveform pipe, the second waveform pipe
Open up fluted with the left and right sides at the 3rd waveform ttom of pipe end, and in groove be fitted together to have fire seal, the first wave
The left and right sides of shape wave pipe, the second waveform pipe and the 3rd waveform pipe offers screwed hole, the 3rd waveform pipe with
Include waterproof gasket cement and waterproof grommet between cable sheath.
It is preferred that, the first waveform pipe, the second waveform pipe and the 3rd waveform pipe are beryllium-bronze material, and the
The wave mode of one waveform pipe, the second waveform pipe and the 3rd waveform pipe is U-shaped wave mode.
It is preferred that, the top of the first waveform pipe is provided with pre-buried explosion-proof relief point, and pre-buried explosion-proof relief point is opened altogether
At eight.
It is preferred that, the anti-flaming thermal-insulation layer is ceramic fibre material.
It is preferred that, 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 utility model are：The fire-proof and explosion-proof protection of the high-voltage cable middle joint
Device uses beryllium-bronze material using the explosion-proof waveform pipe of energy energy-absorbing, the U-shaped wave mode of waveform pipe, it is ensured that
When occurring the situation of electric arc heat release boosting, the wave of waveform pipe can absorb part energy under pressure, and housing is radially
Size increase, reaches explosion-proof effect, and internal anti-flaming thermal-insulation layer is ceramic fibre, and ceramic fibre is a kind of excellent resistance to
Fiery material, with lightweight, high temperature resistant, thermal capacitance is small, it is functional, non-toxic etc. excellent to be incubated excellent heat insulating performance, high-temperature heat insulation
Point so that overall structure is simple, easy for installation, safe and reliable, the waveform pipe is provided with groove, and inside grooves are chimeric anti-
Fiery sealing gasket and waterproof grommet, it is ensured that the sealing effectiveness of cable connector, and suitable under water or severe running environment, preventing electricity
Cable joint is intake, it is ensured that the reliability service of cable, is offered pre-buried explosion-proof relief point on the outside of waveform pipe, can be exploded
When, carry out pressure release by assigned direction, it is to avoid destroy other facilities, involve bomb fragments to person wound effectively to reduce blast impulse
The probability of evil and property loss.
Brief description of the drawings
Fig. 1 is the utility model internal structure schematic diagram；
Fig. 2 is the utility model left part structural representation；
Fig. 3 is the pre-buried explosion-proof relief point structural representation of the utility model；
Fig. 4 is the utility model the first waveform tubular construction schematic diagram；
Fig. 5 is the utility model the second waveform tubular construction schematic diagram.
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.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-5 are referred to, the utility model provides a kind of technical scheme：A kind of high-voltage cable middle joint is fire-proof and explosion-proof to be protected
Protection unit, 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, second
Waveform pipe 6, the 3rd waveform pipe 7, waterproof gasket cement 8, waterproof grommet 9, fire seal 10, groove 11 and screwed hole
12, the left and right 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 is connected with
Open up to be fitted together in fluted 11, and groove 11 inside three waveform pipes 7, the 3rd waveform pipe 7 and have waterproof grommet 9, the wave
Shape pipe is provided with groove 11, and the inside of groove 11 is chimeric a fire seal 10 and waterproof grommet 9, good airproof performance, and with waterproof,
Fireproof 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 offers eight altogether
Place, can occur explosion time, reduce critical pressure, involve bomb fragments to personal injury and property effectively to reduce blast impulse
The probability of loss, the first waveform pipe 4, the second waveform pipe 6 and the 3rd waveform pipe 7 are beryllium-bronze material, and first wave
The wave mode of shape wave pipe 4, the second waveform pipe 6 and the 3rd waveform pipe 7 is U-shaped wave mode, it is ensured that occurring electric arc heat release
During the situation of boosting, the wave of waveform pipe can absorb part energy under pressure, and the increase of housing radial dimension reaches
Explosion-proof effect, the top of the first waveform pipe 4 is provided with pre-buried explosion-proof relief point 5, and the inside of the first waveform pipe 4 is provided with fire-retardant
Thermal insulation layer 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 occurring the situation of electric arc heat release boosting, ripple
The wave of shape wave pipe can absorb part energy under pressure, and the increase of housing radial dimension 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,
Be incubated excellent heat insulating performance, high-temperature heat insulation it is functional, it is non-toxic the advantages of, reduce high-tension cable and occur unexpected probability,
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 tube top portion offers pre-buried explosion-proof relief point 5, is occurring explosion time, is carrying out pressure release by assigned direction, it is to avoid destroy it
His facility, effectively reduction blast impulse involves bomb fragments to personal injury and the probability of property loss.
In summary, although the utility model is described in detail with reference to the foregoing embodiments, for this area
For technical staff, it can still modify to the technical scheme described in foregoing embodiments, or to which part
Technical characteristic carries out equivalent substitution, all within spirit of the present utility model and principle, any modification for being made, equivalent substitution,
Improve etc., it should be included within protection domain of the present utility model.
Claims (5)
1. a kind of fire-proof and explosion-proof protection device 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 ends of first waveform pipe (4) are respectively connected with the second waveform pipe (6), and one end connection of the second waveform pipe (6)
There is the 3rd waveform pipe (7), the top of the first waveform pipe (4) is provided with pre-buried explosion-proof relief point (5), first wave
The inside of shape pipe (4) includes outside cable inner core (1) and cable provided with anti-flaming thermal-insulation layer (3), and the inside of anti-flaming thermal-insulation layer (3)
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
There are fire seal (10), the first waveform pipe (4), the second waveform provided with being fitted together in groove (11), and groove (11)
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
The top of 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.
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 |
|---|---|---|---|
| CN201621306265.5U CN206353688U (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 |
|---|---|---|---|
| CN201621306265.5U CN206353688U (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 |
|---|---|
| CN206353688U true CN206353688U (en) | 2017-07-25 |
Family
ID=59347698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621306265.5U Active CN206353688U (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) | CN206353688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786329A (en) * | 2016-11-30 | 2017-05-31 | 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 |
| CN112217173A (en) * | 2020-10-23 | 2021-01-12 | 和瑞达(广东)综合能源服务有限公司 | Cable joint fire and explosion protection mechanism |
-
2016
- 2016-11-30 CN CN201621306265.5U patent/CN206353688U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786329A (en) * | 2016-11-30 | 2017-05-31 | 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 |
| CN112217173A (en) * | 2020-10-23 | 2021-01-12 | 和瑞达(广东)综合能源服务有限公司 | Cable joint fire and explosion protection mechanism |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 528325 Maicun Second Industrial Zone, Xingtan Town, Shunde District, Foshan City, Guangdong Province, No. 6 No. 2 East Second Road, Jincun Avenue (Residence Declaration) Patentee after: GUANGDONG ANNUO NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 529400 B8-2, No. three, Enping Park, Jiangmen industrial transfer industrial park, Enping, Guangdong, China (1) Patentee before: GUANGDONG ANNUO NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |