CN203617025U - Cable for coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below - Google Patents
Cable for coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below Download PDFInfo
- Publication number
- CN203617025U CN203617025U CN201320754117.XU CN201320754117U CN203617025U CN 203617025 U CN203617025 U CN 203617025U CN 201320754117 U CN201320754117 U CN 201320754117U CN 203617025 U CN203617025 U CN 203617025U
- Authority
- CN
- China
- Prior art keywords
- core
- power line
- cable
- conductor
- layer
- 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 - Lifetime
Links
- 239000003245 coal Substances 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 63
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims description 41
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 8
- 229920002943 EPDM rubber Polymers 0.000 claims description 6
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 238000005065 mining Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- -1 2-2 Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Abstract
The utility model relates to a cable for a coal mine frequency conversion device. The technical scheme is that the cable for the coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below comprises three power wire cores (1) and three ground wire cores (2) which are intertwisted to form a cable core (3), the cable core (3) is externally provided with an inner sheath (4), a shielding layer (5) and an outer sheath (6), any power wire core (1) consists of a power wire core conductor (1-1) and a power wire core insulating layer (1-2), any ground wire core (2) consists of a ground wire core conductor (2-1), and he shielding layer (5) is a composite shielding layer whose inner layer is a copper wire braided layer and outer layer is wrapped by an aluminum plastic composite belt. The cable for the coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below has the beneficial effects of good shielding performance, and strong anti-interference performance.
Description
Technical field
The utility model relates to a kind of power cable, and it is mainly applicable to rated voltage 1.9/3.3kV and following coal mine frequency conversion device.
Background technology
Mining activity environment is severe.Need to adapt to the adverse circumstances of mining for the cable of digging up mine.
Be example take colliery, because the environment for use being subject to restriction, coal mine frequency conversion device should use special cable with cable, under the prerequisite that reaches essential safety requirements, also needs:
The first, cable core structure is stable.
The second, shield effectiveness is good.
Existing mining equipment cable, as: Chinese patent notification number CN203070796U, a kind of Coal Electricity cable is disclosed, it comprises insulated wire cores and restrictive coating, there are inner restrictive coating and external sheath layer in insulating barrier outside, is provided with supervision core between inner sheath and external sheath layer.Separately, from the accompanying drawing 1 of this bulletin file, the core of its cable is three core structures.
Cable core structure stability and the shield effectiveness of existing mining cable are all general.
Summary of the invention
The purpose of this utility model is for deficiency of the prior art, and a kind of coal mine frequency conversion device cable is provided, and it is applicable to rated voltage 1.9/3.3kV and following, its objective is: improve shielding, anti-interference.
For achieving the above object, the utility model is by the following technical solutions: a kind of rated voltage 1.9/3.3kV and following coal mine frequency conversion device cable, it includes three power cores and three ground cores, three power cores and three ground core twisted synthesizing cable cores, cable core is provided with inner sheath outward successively, screen and oversheath, wherein:
Described any power core is made up of power line core conductor and power line core insulation layer, and power line core insulation layer is positioned on power line core conductor, and power line core conductor is by the stranded power line core conductor forming of copper conductor;
Described any ground core is made up of ground wire core conductor, and ground wire core conductor is by the stranded ground wire core conductor forming of copper conductor;
Described screen is that internal layer is that proof copper-wire braided layer and skin are the wrapped composite shielding layer of aluminium-plastic tape.
Further, on described power line core insulation layer, be also extruded with power line core insulation screen, power line core insulation screen is semiconductive shielding layer; On described ground wire core conductor, be also extruded with ground core semiconductive shielding layer.
Further, described inner sheath is rubber, and rubber extrudes described cable core.
Further, described power line core insulation layer is the power line core insulation layer that ethylene propylene diene rubber forms.
Further, described oversheath is the oversheath that neoprene forms.
Rated voltage 1.9/3.3kV and following coal mine frequency conversion device cable, it includes three power cores and three ground cores, three power cores and three ground core twisted synthesizing cable cores, and cable core is provided with insulating tape lapping layer outward successively, screen and oversheath, is characterized in that:
Described any power core is made up of power line core conductor and power line core insulation layer, and power line core insulation layer is positioned on power line core conductor, and power line core conductor is by the stranded power line core conductor forming of copper conductor;
Described any ground core is made up of ground wire core conductor, and ground wire core conductor is by the stranded ground wire core conductor forming of copper conductor;
Described screen is that internal layer is that proof copper-wire braided layer and skin are the wrapped composite shielding layer of aluminium-plastic tape.
Further, on described power line core insulation layer, be also extruded with power line core insulation screen, power line core insulation screen is semiconductive shielding layer; On described ground wire core conductor, be also extruded with ground core semiconductive shielding layer.
Further, described power line core insulation layer is the power line core insulation layer that ethylene propylene diene rubber forms.
Further, described oversheath is the oversheath that neoprene forms.
Adopt the beneficial effect after technique scheme:
1, three power cores, three ground cores, inner sheath or insulating tape lapping layer, screen and oversheaths are basic structure, meet safety requirements and the basic demand of rated voltage 1.9/3.3kV and following coal mine frequency conversion device cable.Cable conductor overall structure symmetry, more stable.
2, power line core conductor, ground wire core conductor all adopt the stranded copper conductor forming, and increase the useful life of cable, make cable softness.
3, internal layer is that proof copper-wire braided layer and skin are the wrapped composite shielding layer of aluminium-plastic tape, improves shielding, anti-interference.Power core semiconductive shielding layer, the setting of core semiconductive shielding layer, can guarantee better the shield effectiveness of cable.
4, the power line core insulation layer that ethylene propylene diene rubber forms guarantees insulation effect.The oversheath that neoprene forms has the premium properties of high strength, fire-retardant, wear-resisting, waterproof.
Accompanying drawing explanation
Fig. 1 is the first structural representation of the present utility model;
Fig. 2 is the second structural representation of the present utility model.
In figure: 1, power core, 1-1, power line core conductor, 1-2, power line core insulation layer, 1-3, power core semiconductive shielding layer, 2, core, 2-1, ground wire core conductor, 2-2, core semiconductive shielding layer, 3, cable core, 4, inner sheath or insulating tape lapping layer, 5, screen, 6, oversheath.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
Embodiment mono-
As shown in Figure 1, for being applicable to rated voltage 1.9/3.3kV and following coal mine frequency conversion device, inventor proposes a kind of coal mine frequency conversion device cable.
This cable includes three power cores 1 and three ground 2, three power cores 1 of core and three ground cores 2 and is twisted into cable core 3, and cable core 3 is outer is provided with inner sheath 4 successively, screen 5 and oversheath 6, wherein:
Described any power core 1 is made up of power line core conductor 1-1 and power line core insulation layer 1-2, and it is upper that power line core insulation layer 1-2 is positioned at power line core conductor 1-1, and power line core conductor 1-1 is by the stranded power line core conductor forming of copper conductor;
Described any ground core 2 is made up of ground wire core conductor 2-1, and ground wire core conductor 2-1 is by the stranded ground wire core conductor forming of copper conductor;
Described screen 5 is that internal layer is that proof copper-wire braided layer and skin are the wrapped composite shielding layer of aluminium-plastic tape.
The preferred ethylene propylene diene rubber of power line core insulation layer 1-2 in above-mentioned cable.The oversheath that the preferred neoprene of oversheath 5 in above-mentioned cable or similar material form.
Copper conductor in above-mentioned cable can but be not limited to zinc-plated soft copper conductor.
Embodiment bis-
As shown in Figure 1, embodiment bis-is with the difference of embodiment mono-: replace inner sheath with insulating tape lapping layer 4.
So, the cable core 3 in the wrapped embodiment mono-of insulating tape lapping layer 4, internal layer is that proof copper-wire braided layer and skin are located at outside insulating tape lapping layer 4 for the wrapped composite shielding layer of aluminium-plastic tape, oversheath 6 is located at outside aforementioned composite shielding layer.
Embodiment tri-
As shown in Figure 2, embodiment tri-is with the difference of embodiment mono-: on power line core insulation layer 1-2, set up power line core insulation screen 1-3, on ground wire core conductor 2-1, set up ground core semiconductive shielding layer 2-2, power line core insulation screen 1-3 is semiconductive shielding layer, power line core insulation screen 1-3 extrudes power line core insulation layer 1-2, and ground core semiconductive shielding layer 2-2 extrudes ground wire core conductor 2-1.
So, power core 1 is made up of power line core conductor 1-1, power line core insulation layer 1-2 and power line core insulation screen 1-3; Ground core 2 is made up of ground wire core conductor 2-1 and ground core semiconductive shielding layer 2-2.Three power cores 1 and three stranded formation cable cores 3 of ground core 2, outer inner sheath 4, screen 5 and the oversheath 6 of being provided with successively of cable core 3.Inner sheath 4 can but to be not limited to be rubber, rubber extrudes above-mentioned cable core 3.
Embodiment tetra-
As shown in Figure 2, embodiment tetra-is with the difference of embodiment tri-: replace inner sheath with insulating tape lapping layer 4.
So, the cable core 3 in the wrapped embodiment tri-of insulating tape lapping layer 4, internal layer is that proof copper-wire braided layer and skin are located at outside insulating tape lapping layer 4 for the wrapped composite shielding layer of aluminium-plastic tape, oversheath 6 is located at outside aforementioned composite shielding layer.
The utility model is not limited to above-described embodiment, and the technical scheme that all employings are equal to replacement or equivalence replacement formation all belongs to the claimed scope of the utility model.
Claims (9)
1. a rated voltage 1.9/3.3kV and following coal mine frequency conversion device cable, it includes three power cores (1) and three ground cores (2), three power cores (1) and three ground cores (2) are twisted into cable core (3), the outer inner sheath (4) that is provided with successively of cable core (3), screen (5) and oversheath (6), is characterized in that:
Described any power core (1) is made up of power line core conductor (1-1) and power line core insulation layer (1-2), it is upper that power line core insulation layer (1-2) is positioned at power line core conductor (1-1), and power line core conductor (1-1) is by the stranded power line core conductor forming of copper conductor;
Described any ground core (2) is made up of ground wire core conductor (2-1), and ground wire core conductor (2-1) is by the stranded ground wire core conductor forming of copper conductor;
Described screen (5) is that internal layer is that proof copper-wire braided layer and skin are the wrapped composite shielding layer of aluminium-plastic tape.
2. rated voltage 1.9/3.3kV according to claim 1 and following coal mine frequency conversion device cable, it is characterized in that: on described power line core insulation layer (1-2), be also extruded with power line core insulation screen (1-3), power line core insulation screen (1-3) is semiconductive shielding layer; On described ground wire core conductor (2-1), be also extruded with ground core semiconductive shielding layer (2-2).
3. rated voltage 1.9/3.3kV according to claim 1 and 2 and following coal mine frequency conversion device cable, is characterized in that: described inner sheath (4) is rubber, rubber extrudes described cable core (3).
4. rated voltage 1.9/3.3kV according to claim 1 and 2 and following coal mine frequency conversion device cable, is characterized in that: described power line core insulation layer (1-2) is the power line core insulation layer that ethylene propylene diene rubber forms.
5. rated voltage 1.9/3.3kV according to claim 1 and 2 and following coal mine frequency conversion device cable, is characterized in that: described oversheath (5) is the oversheath that neoprene forms.
6. rated voltage 1.9/3.3kV and following coal mine frequency conversion device cable, it includes three power cores (1) and three ground cores (2), three power cores (1) and three ground cores (2) are twisted into cable core (3), the outer insulating tape lapping layer (4) that is provided with successively of cable core (3), screen (5) and oversheath (6), is characterized in that:
Described any power core (1) is made up of power line core conductor (1-1) and power line core insulation layer (1-2), it is upper that power line core insulation layer (1-2) is positioned at power line core conductor (1-1), and power line core conductor (1-1) is by the stranded power line core conductor forming of copper conductor;
Described any ground core (2) is made up of ground wire core conductor (2-1), and ground wire core conductor (2-1) is by the stranded ground wire core conductor forming of copper conductor;
Described screen (5) is that internal layer is that proof copper-wire braided layer and skin are the wrapped composite shielding layer of aluminium-plastic tape.
7. rated voltage 1.9/3.3kV according to claim 6 and following coal mine frequency conversion device cable, it is characterized in that: on described power line core insulation layer (1-2), be also extruded with power line core insulation screen (1-3), power line core insulation screen (1-3) is semiconductive shielding layer; On described ground wire core conductor (2-1), be also extruded with ground core semiconductive shielding layer (2-2).
8. according to the rated voltage 1.9/3.3kV described in claim 6 or 7 and following coal mine frequency conversion device cable, it is characterized in that: described power line core insulation layer (1-2) is the power line core insulation layer that ethylene propylene diene rubber forms.
9. according to the rated voltage 1.9/3.3kV described in claim 6 or 7 and following coal mine frequency conversion device cable, it is characterized in that: described oversheath (5) is the oversheath that neoprene forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754117.XU CN203617025U (en) | 2013-11-25 | 2013-11-25 | Cable for coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754117.XU CN203617025U (en) | 2013-11-25 | 2013-11-25 | Cable for coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203617025U true CN203617025U (en) | 2014-05-28 |
Family
ID=50769654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754117.XU Expired - Lifetime CN203617025U (en) | 2013-11-25 | 2013-11-25 | Cable for coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203617025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833680A (en) * | 2017-12-12 | 2018-03-23 | 唐山华通特种线缆制造有限公司 | A kind of service wire cable and preparation method thereof |
| WO2020119442A1 (en) * | 2018-12-11 | 2020-06-18 | 江苏中利集团股份有限公司 | Flexible fire-resistant frequency conversion power cable |
-
2013
- 2013-11-25 CN CN201320754117.XU patent/CN203617025U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833680A (en) * | 2017-12-12 | 2018-03-23 | 唐山华通特种线缆制造有限公司 | A kind of service wire cable and preparation method thereof |
| WO2020119442A1 (en) * | 2018-12-11 | 2020-06-18 | 江苏中利集团股份有限公司 | Flexible fire-resistant frequency conversion power cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103545032A (en) | Cable for coal mine frequency conversion device with voltage of 1.9/3.3kv and below | |
| CN203562214U (en) | Mining cable | |
| CN203617025U (en) | Cable for coal mine frequency conversion device with nominal voltage being 1.9/3.3 kV and below | |
| CN203276949U (en) | Mining aluminium alloy conductor-contained crosslinking polyethylene insulated power cable with rated voltage of 8.7 KV or 10 KV and under | |
| CN104517675A (en) | Cable for charging pile of new-energy electric vehicle | |
| CN202662347U (en) | 1E-grade K1-type low-smoke halogen-free flame-retardant cable for nuclear power plants | |
| CN206639646U (en) | A kind of electrical equipment power cable | |
| CN202549456U (en) | Flame retardant fire-resistant power cable with rated voltage of 0.6/1kV | |
| CN202905273U (en) | Wind power generation power cable with nominal voltage of 35kV | |
| CN204242665U (en) | A kind of high pressure waterproof power cable | |
| CN203433895U (en) | Computer cable for signal transmission | |
| CN202917240U (en) | Novel cold-resistant frequency conversion cable | |
| CN102610310A (en) | Mobile metal shielded centralized monitoring type flexible cable for coal mine | |
| CN203644462U (en) | Medium-voltage wind energy cable | |
| CN202487243U (en) | Movable metal shielding centralized monitoring type flexible cable for coal mine | |
| CN203260349U (en) | Mining shielding electric drill cable | |
| CN202434258U (en) | Novel high voltage and ultrahigh voltage crosslinked polyethylene insulated power cable | |
| CN204857237U (en) | Ageing -resistant cable of ultraviolet resistance for photovoltaic power generation | |
| CN201514795U (en) | Anti-theft power cord for mobile base stations | |
| CN203520967U (en) | 1.9/3.3 kV and below cable for coal mine frequency conversion apparatus | |
| CN203746550U (en) | Grounding control flexible cable for power generation | |
| CN205069215U (en) | Vertical watertight control cable | |
| CN103545033A (en) | Separating conductor for ultra-high voltage cable | |
| CN203787188U (en) | Halogen-free low-smoke anti-flaming DC traction cable preventing termite and rat | |
| CN202816484U (en) | Waterproof shielding cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |