CN209267147U - It is a kind of can monitoring temperature cable intermediate joint - Google Patents
It is a kind of can monitoring temperature cable intermediate joint Download PDFInfo
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- CN209267147U CN209267147U CN201920046786.9U CN201920046786U CN209267147U CN 209267147 U CN209267147 U CN 209267147U CN 201920046786 U CN201920046786 U CN 201920046786U CN 209267147 U CN209267147 U CN 209267147U
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- stress cone
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Abstract
The utility model relates to it is a kind of can monitoring temperature cable intermediate joint, it is characterized by comprising sheaths, heat conduction ring, stress cone, sheath includes the first insulating layer, wherein, first insulating layer is internally provided with long core, one end of first insulating layer is provided with the first short core, stress cone includes second insulating layer, light pricker line is provided in second insulating layer, second short core, sheath set is wherein on a cable, stress cone is packed on the cable that other end stripping is completed, overlap the second short core and cable of copper shield layer good, heat conduction ring is inserted in the cable core end for being inserted in stress cone, crimp copper connecting tube, connect the core of two cables, the utility model compares more present transition joint, under the premise of guaranteeing that electric property is unaffected, transition joint internal operation data can effectively be monitored.
Description
Technical field
The utility model relates to it is a kind of can monitoring temperature cable intermediate joint.
Background technique
With the high speed development of transmission and distribution networks, power quality is more and more reliable and more stable, quality requirement of the user to electric energy
It is higher and higher.In order to guarantee stable electric energy supply, many enterprises start to research and develop smart machine, to each position of power grid into
Row monitoring, provides very important data to the regulation and early warning of route for power supply department.Intelligent monitoring device at this stage,
Most of is inactive component, is needed to rely on cabinet body to provide power supply, installation site, environmental protection, therefore, present smart machine
There is very big use limitation.
It is transition joint accident more than 90%, position is not in annual end accident according to the data statistics of power supply department
It determines and (is likely to be at high mountain, underground, aerial etc.), junction is protected without cabinet body, therefore conventional smart machine, cannot be to centre
Connector is effectively monitored.
In view of this, if a kind of transition joint of included temp sensing function can be researched and developed, it can be to transition joint
Operating status is effectively monitored, and is carried out early warning in advance before accident occurs, is prevented trouble before it happens.
Utility model content
To solve the above technological deficiency, the utility model uses following technical scheme:
It is a kind of can monitoring temperature cable intermediate joint, including sheath, heat conduction ring, stress cone, sheath includes the first insulation
Layer, wherein the first insulating layer is internally provided with long core, and one end of the first insulating layer is provided with the first short core, and stress cone includes the
Two insulating layers are provided with light pricker line, the second short core in second insulating layer, in use, sheath set is wherein on one bar of cable and the
The copper shield of one short core and the cable overlaps, stress cone be inserted on the cable of another stripping completion and the second short core with should
Cable of copper shield layer overlap joint, is inserted in heat conduction ring in the cable core end for being inserted in stress cone, makes two cables using copper connecting tube
Core connect, sheath is inserted on stress cone and is integrally fixed.
Wherein, the first short core and long core are made by conducting resinl, and conducting resinl can be using conductive silicon rubber or conduction three
First EP rubbers.
Wherein, the sizing material of the conducting resinl should meet following performance: 10~100 Ω cm of volume resistivity, shore hardness
45 ± 2HA, tensile strength >=7Mpa, elongation at break >=600%, tearing strength >=20N/mm, setafter break≤10%.
Wherein, the first insulating layer is made by insulating cement.
Wherein, the insulating cement is that electrically insulating silicone rubber or insulation ethylene propylene diene rubber, sizing material should meet following performance: breakdown
Intensity >=25kV/mm, 40 ± 3HA of shore hardness, tensile strength >=8Mpa, elongation at break >=600%, tearing strength >=20N/
Mm, setafter break≤10%, resilience >=40%.
Wherein, second insulating layer is made using insulating cement, and insulating cement is fluid insulation silicon rubber or fluid insulation three
First EP rubbers, sizing material should meet following performance: breakdown strength >=25kV/mm, 50 ± 2HA of shore hardness, and tensile strength >=
6Mpa, elongation at break >=350%, tearing strength >=20N/mm, setafter break≤10%, resilience >=50%, molding
120 DEG C of temperature <.
Wherein, the second short core is made by conducting resinl, and conducting resinl can be using conductive silicon rubber or conductive EPDM
Rubber, sizing material should meet following performance: volume resistivity 10~100 Ω cm, 50 ± 2HA of shore hardness, and tensile strength >=
6Mpa, elongation at break >=420%, tearing strength >=18N/mm, setafter break≤10%.
Wherein, the smooth pricker line is made by glass light pricker, and light pricker tip diameter answers≤2mm, and transmission light pricker diameter is answered
≤ 1mm, surfacing.
Wherein, heat conduction ring is a disk, and the structure of Intermediate Gray through-hole, side is equipped with a circular groove, cooperates with light pricker line.
Wherein, the heat conduction ring is one of copper, aluminium alloy, stainless steel, heat-conducting silica gel sheet, Graphite pad.
The utility model has the beneficial effects that the utility model compares more present transition joint, guaranteeing electric property not
Under the premise of impacted, transition joint internal operation data can effectively be monitored.
Detailed description of the invention
Fig. 1 is the general assembly sectional view of the utility model；
Fig. 2 is sheath sectional view；
Fig. 3 is heat conduction ring sectional view；
Fig. 4 is stress cone sectional view；
Fig. 5 is the electric-field intensity distribution figure that the utility model simulates charging operation.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
See Fig. 1, it is a kind of can monitoring temperature cable intermediate joint, including sheath 1, stress cone 2, heat conduction ring 3.
See that Fig. 2, sheath 1 are cylindrical shape, sheath 1 includes the first insulating layer 12, wherein the first insulating layer 11 is internally provided with
Long core 13, one end of the first insulating layer 12 are provided with the first short core 11.
Wherein, the first short core 11 and long core 13 are made by conducting resinl, and conducting resinl can use conductive silicon rubber or lead
Electric ethylene propylene diene rubber, sizing material should meet following performance: volume resistivity 10~100 Ω cm, 45 ± 2HA of shore hardness, draw
Stretch intensity >=7Mpa, elongation at break >=600%, tearing strength >=20N/mm, setafter break≤10%.First insulating layer
12 are made by insulating cement, and insulating cement can be using electrically insulating silicone rubber or insulation ethylene propylene diene rubber, and sizing material should meet following
Performance: breakdown strength >=25kV/mm, 40 ± 3HA of shore hardness, tensile strength >=8Mpa, elongation at break >=600%, tearing
Intensity >=20N/mm, setafter break≤10%, resilience >=40%.
See that Fig. 3, stress cone 2 include second insulating layer 21, is provided with the second short core 22, light pricker line in second insulating layer 21
23, second insulating layer 21 is made using insulating cement, and insulating cement can use fluid insulation silicon rubber or fluid insulation ternary
EP rubbers, sizing material should meet following performance: breakdown strength >=25kV/mm, 50 ± 2HA of shore hardness, tensile strength >=6Mpa,
Elongation at break >=350%, tearing strength >=20N/mm, setafter break≤10%, resilience >=50%, forming temperature <
120℃.Second short core is made by conducting resinl, and conducting resinl can be using conductive silicon rubber or conductive ethylene propylene diene rubber, glue
Material should meet following performance: volume resistivity 10~100 Ω cm, 50 ± 2HA of shore hardness, tensile strength >=6Mpa, fracture
Elongation >=420%, tearing strength >=18N/mm, setafter break≤10%.Light pricker line 23 is made by glass light pricker,
The tip diameter of light pricker line answers≤2mm, and transmission light pricker linear diameter answers≤1mm, surfacing, no uneven or bending.
See that Fig. 4, heat conduction ring 3 are a disk, the structure of Intermediate Gray through-hole, side is equipped with a circular groove 31, with light pricker line
23 cooperations, whether heat conduction ring conductive to material not to require, material that can be good using common thermal conductivity, as copper, aluminium alloy,
Stainless steel, heat-conducting silica gel sheet, Graphite pad etc..
In use, 1 set of sheath on a wherein cable and the copper shield of the first short core and the cable overlaps, stress cone
It is inserted on the cable of another stripping completion and the second short core and the cable of copper shield layer overlaps.In the cable for being inserted in stress cone
Heat conduction ring is inserted in core end, connects the core of two cables using copper connecting tube, sheath is inserted on stress cone, makes it
It is retracted on the predetermined position of stress cone, the connector of light pricker line is connected by transmission light pricker with data center, temperature
Signal can be transferred to data center.
Fig. 5 is the field intensity map of internal electric field after product is modeled by simulation software, as seen from Figure 5 interiors of products
The biggish region of electric field strength is concentrated mainly on around long core 11, distribution uniform.It is simulated by software, voltage rating operation
When, electric field strength maximum value is 3kV/mm, and when by running under pattern testing standard voltage, electric field strength maximum value is 13kV/mm,
The breakdown strength standard 25kV/mm of respectively less than the first insulating layer and second insulating layer.
Further, in order to shield external electrical field, one layer of electrically conductive ink can be sprayed in jacket outer surface or use conducting resinl
Encapsulated processing is carried out, electrically conductive ink can use the electrically conductive ink of the ingredient containing platinum, and conduction can be used in the conducting resinl of encapsulated processing
Silicon rubber or conductive ethylene propylene diene rubber.
Further, sheath carries out predilation processing, expands about 3 times of multiplying power.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. one kind can monitoring temperature cable intermediate joint, it is characterised in that: including sheath, heat conduction ring, stress cone, sheath includes
First insulating layer, wherein the first insulating layer is internally provided with long core, and one end of the first insulating layer is provided with the first short core, stress
Cone includes second insulating layer, is provided with light pricker line, the second short core in second insulating layer, in use, sheath covers an electricity wherein
On cable and the copper shield of the first short core and the cable overlaps, and stress cone is inserted on the cable of another stripping completion and second
Short core and the cable of copper shield layer overlap, and are inserted in heat conduction ring in the cable core end for being inserted in stress cone, are made using copper connecting tube
The core of two cables connects, and sheath is inserted on stress cone and is integrally fixed.
2. cable intermediate joint according to claim 1, it is characterised in that: the first short core and long core made by conducting resinl and
At conducting resinl can be using conductive silicon rubber or conductive ethylene propylene diene rubber.
3. cable intermediate joint according to claim 2, it is characterised in that: the sizing material of the conducting resinl should meet following property
Can: volume resistivity 10~100 Ω cm, 45 ± 2HA of shore hardness, tensile strength >=7Mpa, elongation at break >=600%,
Tearing strength >=20N/mm, setafter break≤10%.
4. cable intermediate joint according to claim 1, it is characterised in that: the first insulating layer is made by insulating cement.
5. cable intermediate joint according to claim 4, it is characterised in that: the insulating cement is electrically insulating silicone rubber or insulation
Ethylene propylene diene rubber, sizing material should meet following performance: breakdown strength >=25kV/mm, 40 ± 3HA of shore hardness, and tensile strength >=
8Mpa, elongation at break >=600%, tearing strength >=20N/mm, setafter break≤10%, resilience >=40%.
6. cable intermediate joint according to claim 1, it is characterised in that: second insulating layer using insulating cement make and
It is fluid insulation silicon rubber or fluid insulation ethylene propylene diene rubber at, insulating cement, sizing material should meet following performance: breakdown strength >=
25kV/mm, 50 ± 2HA of shore hardness, tensile strength >=6Mpa, elongation at break >=350%, tearing strength >=20N/mm are pulled
Disconnected permanent deformation≤10%, resilience >=50%, 120 DEG C of forming temperature <.
7. cable intermediate joint according to claim 1, it is characterised in that: the second short core is made by conducting resinl, is led
Electric glue can should meet following performance: volume resistivity 10~100 using conductive silicon rubber or conductive ethylene propylene diene rubber, sizing material
Ω cm, 50 ± 2HA of shore hardness, tensile strength >=6Mpa, elongation at break >=420%, tearing strength >=18N/mm are pulled apart
Permanent deformation≤10%.
8. cable intermediate joint according to claim 1, it is characterised in that: the smooth pricker line made by glass light pricker and
At light pricker tip diameter answers≤2mm, and transmission light pricker diameter answers≤1mm, surfacing.
9. cable intermediate joint according to claim 1, it is characterised in that: heat conduction ring is a disk, Intermediate Gray through-hole
Structure, side are equipped with a circular groove, cooperate with light pricker line.
10. cable intermediate joint according to claim 9, it is characterised in that: the heat conduction ring is copper, aluminium alloy, stainless
One of steel, heat-conducting silica gel sheet, Graphite pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046786.9U CN209267147U (en) | 2019-01-11 | 2019-01-11 | It is a kind of can monitoring temperature cable intermediate joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920046786.9U CN209267147U (en) | 2019-01-11 | 2019-01-11 | It is a kind of can monitoring temperature cable intermediate joint |
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| Publication Number | Publication Date |
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| CN209267147U true CN209267147U (en) | 2019-08-16 |
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ID=67566228
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920046786.9U Active CN209267147U (en) | 2019-01-11 | 2019-01-11 | It is a kind of can monitoring temperature cable intermediate joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546610A (en) * | 2019-01-11 | 2019-03-29 | 深圳市迪安物联科技有限公司 | It is a kind of can monitoring temperature cable intermediate joint |
| CN113237587A (en) * | 2021-02-02 | 2021-08-10 | 国网电力科学研究院武汉南瑞有限责任公司 | Cable joint interface pressure measurement system |
-
2019
- 2019-01-11 CN CN201920046786.9U patent/CN209267147U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109546610A (en) * | 2019-01-11 | 2019-03-29 | 深圳市迪安物联科技有限公司 | It is a kind of can monitoring temperature cable intermediate joint |
| CN113237587A (en) * | 2021-02-02 | 2021-08-10 | 国网电力科学研究院武汉南瑞有限责任公司 | Cable joint interface pressure measurement system |
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Effective date of registration: 20200922 Address after: No. 329, Yatou village, Lijiashan Town, Huangzhong County, Xining City, Qinghai Province Patentee after: Qinghai Chenghai Internet of things Technology Co., Ltd Address before: 518000 Guangming New District, Shenzhen, Guangdong Province, Area A, 2nd floor, No. 5 Pengfei Road, Dongkeng Community, Fenghuang Street, Guangming New District, Shenzhen Patentee before: SHENZHEN DEAN IOT TECHNOLOGY Co.,Ltd. |