CN206639937U - A kind of multicore mineral insulated cable fire safe type intermediate connector - Google Patents
A kind of multicore mineral insulated cable fire safe type intermediate connector Download PDFInfo
- Publication number
- CN206639937U CN206639937U CN201720172305.XU CN201720172305U CN206639937U CN 206639937 U CN206639937 U CN 206639937U CN 201720172305 U CN201720172305 U CN 201720172305U CN 206639937 U CN206639937 U CN 206639937U
- Authority
- CN
- China
- Prior art keywords
- mineral insulated
- insulated cable
- mica tape
- cable
- type intermediate
- 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.)
- Expired - Fee Related
Links
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 39
- 239000011707 mineral Substances 0.000 title claims abstract description 38
- 239000010445 mica Substances 0.000 claims abstract description 24
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 15
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical group [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims abstract description 9
- GHVNFZFCNZKVNT-UHFFFAOYSA-M decanoate Chemical compound CCCCCCCCCC([O-])=O GHVNFZFCNZKVNT-UHFFFAOYSA-M 0.000 claims abstract description 5
- 239000006071 cream Substances 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 9
- 239000000395 magnesium oxide Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
- Cable Accessories (AREA)
Abstract
A kind of multicore mineral insulated cable fire safe type intermediate connector, including cable conductor and mica tape, the mica tape is overlapping wrapped on cable conductor, through type intermediate connecting sleeve pipe is provided between two mineral insulated cables, the cable conductor of two mineral insulated cables connects tube body by screw compact type and connected；The mica tape thickness is 0.14~0.16mm, and the material of mica tape is synthetic mica tape；Mica tape cap rate on cable conductor is more than more than 30%；The multicore mineral insulated cable fire safe type intermediate connector makes simple, has the advantages that high intensity, quality be good, high fire resistance, is worth promoting.
Description
Technical field
Mineral insulated cable joint accessories technical field is the utility model is related to, especially a kind of multicore mineral insulation
Cable fire type intermediate connector.
Background technology
The use of model BTTZ mineral insulated cables is very wide in the market, in skyscraper and multifunctional combination
Medical building, important public building are widely used, and mineral insulated cable is made up of magnesia, copper, due to melting for magnesia
Point is 2800 DEG C, and the fusing point that 1083 DEG C of the fusing point of copper, the only cable temperature of itself exceedes copper can be just destroyed, and it is actual according to
The requirement of the fire resistance tests of GB/T 19216.21：Flame temperature is independent for fiery not less than 750 DEG C, and material will not fire at such a temperature
Burning dissolves, and has high fire resistance.But mineral insulated cable connection peels off copper pipe sheath, multiple-core cable conductor with specific purpose tool
Between as do not wrapped up with refractory material, end such as no encapsulation process can cause in testing current leakage on conductor, cause electricity
Cable intermediate connector punctures, test failure.
Electric cable intermediate connector joint all provides joint scheme by the company of supply of material cable, and cable connector needs and cable one
Sample passes through fire resistance test in harsh environments.
Utility model content
The utility model aims to provide a kind of making simply, can be resistance to by the multicore mineral insulated cable of fire resistance
Fire type intermediate connector.
To achieve the above object, the utility model provides following technical scheme：A kind of multicore mineral insulated cable fire resisting
Type intermediate connector, including cable conductor and mica tape, the mica tape is overlapping wrapped on cable conductor, two mineral insulations
Through type intermediate connecting sleeve pipe is provided between cable, the cable conductor of two mineral insulated cables passes through screw compact type connecting tube
Body connects.
As further scheme of the present utility model：The mica tape thickness is 0.14~0.16mm, the material of mica tape
For synthetic mica tape.
As further scheme of the present utility model：Thermal structure cream seals to cable end face.
As further scheme of the present utility model：Mica tape cap rate on the cable conductor is more than more than 30%.
As further scheme of the present utility model：Thermal structure cream is provided with the receipts head of the mica tape.
As further scheme of the present utility model：The end of the through type intermediate connecting sleeve pipe and mineral insulated cable
Between be provided with thermal structure cream.
As further scheme of the present utility model：The highest tolerable temperature of the thermal structure cream is 1300 DEG C, material
For YK-8907 glue.
As further scheme of the present utility model：Be cased with the mineral insulated cable stuffing nut, compression ring and
Stuffing-box body, compression ring are located between stuffing-box body and mineral insulated cable, and stuffing nut is connected through a screw thread filler
The one end of letter body away from intermediate connecting sleeve pipe, stuffing-box body are connected through a screw thread centre close to one end of intermediate connection tube and connected
Adapter.
Compared with prior art, the beneficial effects of the utility model are：Among the multicore mineral insulated cable fire safe type
Connector makes simple, has the advantages that high intensity, quality be good, high fire resistance, is worth promoting.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, 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, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of multicore mineral insulated cable fire safe type intermediate connector,
Including cable conductor 3 and mica tape 4, the mica tape 4 is overlapping wrapped on cable conductor 3, two mineral insulated cables 1 it
Between be provided with through type intermediate connecting sleeve pipe 9, the cable conductors 3 of two mineral insulated cables 1 passes through screw compact type connecting tube 5
Body connects.
Above-mentioned, the thickness of mica tape 4 is 0.14~0.16mm, and the material of mica tape 4 is synthetic mica tape.Synthetic mica tape 4
Pass through wrapped cable conductor 3 by hand；Thermal structure cream 10 seals to cable end face.The cap rate of mica tape 4 be more than 30% with
On.
It is above-mentioned, thermal structure cream 10 is provided with the receipts head of mica tape 4.With the firm pasting of thermal structure cream 10.
It is above-mentioned, thermal structure cream 10 is provided between through type intermediate connecting sleeve pipe 9 and the end of mineral insulated cable 1.It is high
The high temperature resistant (highest tolerable temperature) of warm structure cream 10 is 1300 DEG C, and the trade mark is YK-8907 materials.
It is above-mentioned, stuffing nut 6, compression ring 7 and stuffing-box body 8 are cased with mineral insulated cable 1, compression ring 7 is located at
Between stuffing-box body 8 and mineral insulated cable 1, stuffing nut 6 is connected through a screw thread stuffing-box body 8 and connected away from middle
One end of sleeve pipe, stuffing-box body 8 are connected through a screw thread intermediate connection tube close to one end of intermediate connection tube.
The utility model concrete operation step：Step 1：It is first standardized in copper sheath with pipe cutter that cable is pressed into required length
Road trace line (copper sheath line can not be cut off), then sheath copper sheet is clipped between jaw with diagonal cutting pliers and reversed in the direction of the clock, with
The side of family set copper sheet is clamped a step by a step and rotation is carried out with low-angle and is cut off, until at score；
Step 2：The magnesium oxide insulated material 2 on exposed cable conductor 3 is thoroughly removed with the dry cloth of cleaning, then by mica tape
44 is overlapping wrapped on cable conductor 3, with the firm pasting of high temperature cream 10 when mica tape 4 receives head；
Step 3：The magnesia of the copper sheath termination of stripping is scabbled with blade, flushed as copper sheath, then by height
Warm cream 10 squeezes into cable socket, floating with cleaning blade；
Step 4：Stuffing nut 6, compression ring 7, stuffing-box body 8 on being covered outside cable core, put and connected among through type
Device 9, tightens stop nut.
Design feature and its advantage of the present utility model：Mica tape 4, the material adapted of thermal structure cream 10, making are manufactures
Key technology：
First, material selects：A kind of synthetic mica tape 4 is selected, is artificial synthesized inorganic mineral, is used by several mineral materials
The synthetic mica crystal that synthesis by internal resistance electric melting melting forms, chemical property is high, electrical insulation capability is excellent, temperature resistant grade up to 1200 DEG C, tool
Have non-ignitable, Halogen, softness, tensile strength it is big, can wrapped property it is good etc., the relatively good material of fire resistance, the thermal structure of encapsulation
Cream 10 has mobility, has good protection against the tide, antidetonation, anticreep, acid and alkali-resistance performance, air rapid-curing cutback is met after high temperature cream extrusion.
2nd, material thickness：This thickness of synthetic mica tape 4 is selected in 0.14~0.16mm, the ability of band cap rate 30%
Ensure final products fire resistance, 0.14~0.16mm of thickness just can guarantee that band can wrapped property be also key.
The utility model uses synthetic mica tape 4, overlap it is wrapped on conductor put up processing, termination is close using high temperature cream
Envelope, existing termination leakproof electrical property, has preferable sealing property, can prevent the magnesia in cable from coming off, and prepared again
Journey is pollution-free, inexpensive, efficiency high.
The utility model has the advantages that making simply, joint can pass through fire resistance.
The connector has the advantages that high intensity, quality be good, high fire resistance.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (8)
1. a kind of multicore mineral insulated cable fire safe type intermediate connector, including cable conductor and mica tape, it is characterised in that
The mica tape is overlapping wrapped on cable conductor, is provided with through type intermediate connecting sleeve pipe between two mineral insulated cables, and two
The cable conductor of root mineral insulated cable connects tube body by screw compact type and connected.
2. multicore mineral insulated cable fire safe type intermediate connector according to claim 1, it is characterised in that the cloud
Strip thickness is 0.14~0.16mm, and the material of mica tape is synthetic mica tape.
3. multicore mineral insulated cable fire safe type intermediate connector according to claim 1, it is characterised in that using high
Warm structure cream seals to cable end face.
4. multicore mineral insulated cable fire safe type intermediate connector according to claim 1, it is characterised in that the electricity
Mica tape cap rate on cable conductor is more than more than 30%.
5. multicore mineral insulated cable fire safe type intermediate connector according to claim 1, it is characterised in that the cloud
Thermal structure cream is provided with the receipts head of master tape.
6. multicore mineral insulated cable fire safe type intermediate connector according to claim 1, it is characterised in that described straight
Thermal structure cream is provided between formula intermediate connecting sleeve pipe and the end of mineral insulated cable.
7. the multicore mineral insulated cable fire safe type intermediate connector according to claim 3,5 or 6, it is characterised in that
The highest tolerable temperature of thermal structure cream is 1300 DEG C, and material is YK-8907 glue.
8. multicore mineral insulated cable fire safe type intermediate connector according to claim 1, it is characterised in that the ore deposit
Stuffing nut, compression ring and stuffing-box body are cased with thing insulated cable, compression ring is located at stuffing-box body and mineral insulation
Between cable, stuffing nut is connected through a screw thread the one end of stuffing-box body away from intermediate connecting sleeve pipe, and stuffing-box body leans on
One end of nearly intermediate connection tube is connected through a screw thread intermediate connection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720172305.XU CN206639937U (en) | 2017-02-24 | 2017-02-24 | A kind of multicore mineral insulated cable fire safe type intermediate connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720172305.XU CN206639937U (en) | 2017-02-24 | 2017-02-24 | A kind of multicore mineral insulated cable fire safe type intermediate connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206639937U true CN206639937U (en) | 2017-11-14 |
Family
ID=60251460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720172305.XU Expired - Fee Related CN206639937U (en) | 2017-02-24 | 2017-02-24 | A kind of multicore mineral insulated cable fire safe type intermediate connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206639937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899665A (en) * | 2018-06-05 | 2018-11-27 | 博侃电气（合肥）有限公司 | A kind of solder type connector of mineral insulated cable |
-
2017
- 2017-02-24 CN CN201720172305.XU patent/CN206639937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899665A (en) * | 2018-06-05 | 2018-11-27 | 博侃电气（合肥）有限公司 | A kind of solder type connector of mineral insulated cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 |