CN212061977U - Clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene - Google Patents
Clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene Download PDFInfo
- Publication number
- CN212061977U CN212061977U CN201922172098.XU CN201922172098U CN212061977U CN 212061977 U CN212061977 U CN 212061977U CN 201922172098 U CN201922172098 U CN 201922172098U CN 212061977 U CN212061977 U CN 212061977U
- Authority
- CN
- China
- Prior art keywords
- layer
- sheath
- heat
- resistant layer
- wire
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a clean computer cable of crosslinked polyethylene insulation low smoke and zero halogen sheath, which comprises a connecting block, a wire and a heat-resistant layer, and is characterized in that a plurality of groups of wires are arranged in the heat-resistant layer, sponge is filled in the gap between the wire and the heat-resistant layer, the outer wall of the heat-resistant layer is sleeved with a wire mesh shielding layer, the outer wall of the wire mesh shielding layer is sleeved with a protective sleeve, the wire mesh shielding layer is fixedly connected with the heat-resistant layer and the protective sleeve through an adhesive, one end of the plurality of groups of wires is fixedly connected with the connecting block, the other end of the plurality of groups of wires is fixedly connected with the connecting block a, the wire harness is used for connecting a circuit of a computer, the connecting block and the connecting block a are used for connecting the circuit, the heat-resistant layer has the functions of isolating and fire, the wire mesh shielding layer can shield the interference electromagnetic model, so that circuit faults are prevented.
Description
Technical Field
The utility model relates to a cable specifically is a clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene.
Background
The computer cable belongs to a cable for electrical equipment, and is suitable for electronic computers and automatic instruments with the rated voltage of 500V or below and higher requirement on interference resistance. According to different environments and use requirements of equipment, materials such as polyethylene, polyvinyl chloride, cross-linked polyethylene, fluoroplastic and silicon rubber can be adopted for cable insulation, but the existing cable design still has problems, a plastic compression insulator is easy to burn when a fire disaster happens, a metal shell is not easy to design and move, and the cable can be influenced by electromagnetic interference.
Disclosure of Invention
An object of the utility model is to provide a clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a cross-linked polyethylene insulation low-smoke zero-halogen sheath clean computer cable comprises connecting blocks, wires and a heat-resistant layer, wherein a plurality of groups of wires are arranged inside the heat-resistant layer, sponge is filled in gaps between the wires and the heat-resistant layer, a wire mesh shielding layer is sleeved on the outer wall of the heat-resistant layer, a protective sleeve is sleeved on the outer wall of the wire mesh shielding layer, the wire mesh shielding layer is fixedly connected with the heat-resistant layer and the protective sleeve through an adhesive, one ends of the plurality of groups of wires are fixedly connected with the connecting blocks, the other ends of the plurality of groups of wires are fixedly connected with the connecting blocks a, the surface of the connecting blocks a is sequentially provided with a mineral insulating layer and a cross-linked polyethylene insulating layer on the outer surface of each wire, the mineral insulating layer is formed by winding a calcined mica tape, two layers of calcined mica, the mineral insulating layer is formed by wrapping calcined mica tapes, so that the lead can bear high temperature for a long time, the power transmission of a fire-fighting system is ensured, and computer equipment can work normally.
Be used for connecting the circuit between connecting block and the connecting block a, the heat-resistant layer has the function that separates with the fire prevention, and wherein the fire protection coating expands when meeting fire and produces the foam, and the carbonization becomes the protective layer, and isolated burning things which may cause a fire disaster to protect the wire, wire mesh shielding layer can shield the electromagnetic model of interference, prevents circuit fault, the protective sheath is bilayer structure, can carry out better protection to the wire like this.
As a further aspect of the present invention: the protective sheath includes rubber sleeve, rubber column and inner sheath, the inner sheath outside is provided with the rubber sleeve, and the circular same position that is located of rubber sleeve and inner sheath cross-section, the clearance department of rubber sleeve and inner sheath is provided with a plurality of rubber columns, and wherein the setting up of rubber column makes to have stronger buffer capacity between rubber sleeve and the inner sheath, when the rubber sleeve received the impact force, rubber sleeve and inner sheath cushioned the impact force.
As a further aspect of the present invention: the rubber column is arranged by taking the circle of the inner sheath section as the central symmetry, and the rubber column is fixedly connected with the inner wall of the rubber sleeve and the outer wall of the inner sheath.
As a further aspect of the present invention: the heat-resistant layer comprises a polyamide layer and a resin layer, the polyamide layer is fixedly connected with the resin layer through an adhesion agent, fireproof paint is attached to the outer surface of the polyamide layer, and a polypropylene layer is attached to the surface of the resin layer.
As a further aspect of the present invention: the fireproof coating consists of 2-4 parts of chlorinated rubber, 2-5 parts of paraffin, 3-6 parts of aluminum borate and 3-8 parts of decabromodiphenyl ether.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this pencil is used for connecting the circuit of computer, be used for connecting the circuit between connecting block and the connecting block a, the heat-resistant layer has the function that separates with the fire prevention, and wherein the fire protection coating expands when meeting fire and produces the foam, and the carbonization becomes the protective layer, and isolated fire source to protect the wire, the wire mesh shielding layer can shield the electromagnetic model of interference, prevents circuit fault.
2. The protective sheath is bilayer structure, can carry out better protection to the wire like this, and wherein the setting up of rubber column makes to have stronger buffer capacity between rubber sleeve and the inner sheath, and when the rubber sleeve received the impact force, rubber sleeve and inner sheath cushioned the impact force, and this pencil powerful has the function of fire prevention and shielding interference signal to shock-resistant is fit for the society and uses widely.
Drawings
FIG. 1 is a schematic structural diagram of a cross-linked polyethylene insulated low-smoke halogen-free sheath clean computer cable;
FIG. 2 is a schematic structural diagram of a cross-linked polyethylene insulating low-smoke halogen-free sheath for cleaning a protective sleeve in a computer cable;
FIG. 3 is a schematic structural diagram of a cross-linked polyethylene insulating low-smoke halogen-free sheath for cleaning a heat-resistant layer in a computer cable.
In the figure: 1-connecting block, 2-conducting wire, 3-sponge, 4-heat-resistant layer, 5-wire mesh shielding layer, 6-protective sleeve, 7-connecting block a, 101-rubber sleeve, 102-rubber column, 103-inner sheath, 201-fire-retardant coating, 202-polyamide layer, 203-resin layer and 204-polypropylene layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a cross-linked polyethylene insulating low smoke zero halogen sheath clean computer cable comprises a connecting block 1, wires 2 and a heat-resistant layer 4, wherein a plurality of groups of wires 2 are arranged inside the heat-resistant layer 4, sponge 3 is filled in a gap between the wires 2 and the heat-resistant layer 4, a wire mesh shielding layer 5 is sleeved on an outer wall of the heat-resistant layer 4, a protective sleeve 6 is sleeved on an outer wall of the wire mesh shielding layer 5, the wire mesh shielding layer 5 is fixedly connected with the heat-resistant layer 4 and the protective sleeve 6 through an adhesive, one end of each group of wires is fixedly connected with the connecting block 1, and the other end of each group of wires 2 is fixedly connected with a connecting block a7, a connecting block a7 is fixedly connected with the surface of the protective sleeve 6, a mineral insulating layer and a cross, specifically, the fire-fighting water-cooling cable is formed by wrapping two layers of calcined mica tapes, the copper conductor 2 can play an insulating role under the condition of fire, and the mineral insulating layer is formed by wrapping the calcined mica tapes, so that the conductor 2 can bear the high temperature of 1000 ℃ for a long time, the transmission of the electric power of a fire-fighting system is ensured, and the computer equipment can work normally.
The cross-linked polyethylene insulation layer 120 is formed by extruding XLPE, and is used for ensuring that the copper conductor 100 has excellent electrical performance and enabling the cable to have excellent electrical pressure resistance under the condition of no fire
Protective sheath 6 includes rubber sleeve 101, rubber column 102 and inner sheath 103, inner sheath 103 outside is provided with rubber sleeve 101, and the circular of rubber sleeve 101 and inner sheath 103 cross-section is located same position, the clearance department of rubber sleeve 101 and inner sheath 103 is provided with a plurality of rubber columns 102, the material of inner sheath 103 is crosslinked polyethylene.
The rubber column 102 is arranged in a central symmetry mode by taking the circle of the section of the inner sheath 103 as a center, and the rubber column 102 is fixedly connected with the inner wall of the rubber sheath 101 and the outer wall of the inner sheath 103.
The heat-resistant layer 4 comprises a polyamide layer 202 and a resin layer 203, the polyamide layer 202 is fixedly connected with the resin layer 203 through an adhesive, a fireproof coating 201 is attached to the outer surface of the polyamide layer 202, and a polypropylene layer 204 is attached to the surface of the resin layer 203.
The fireproof coating consists of 2-4 parts of chlorinated rubber, 2-5 parts of paraffin, 3-6 parts of aluminum borate and 3-8 parts of decabromodiphenyl ether.
The utility model discloses a theory of operation is:
the wiring harness is used for connecting the circuit of a computer, the connecting block 1 and the connecting block a7 are used for connecting the circuit, the heat-resistant layer 4 has the functions of isolating and preventing fire, wherein the fireproof coating 201 expands to generate foam when meeting fire, is carbonized into a protective layer, isolates the fire source, thereby protecting the lead 2, the wire mesh shielding layer 5 can shield the interference electromagnetic model to prevent the circuit failure, the protective sleeve 6 has a double-layer structure, thereby better protecting the lead 2, wherein the rubber column 102 is arranged to have stronger buffering capacity between the rubber sheath 101 and the inner sheath 103, when the rubber sleeve 101 receives impact force, the rubber sleeve 101 and the inner sheath 103 buffer the impact force, and the wire harness is powerful in function, has the functions of fire prevention and interference signal shielding, is impact-resistant, and is suitable for wide social use.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene, includes connecting block, wire and heat-resistant layer, its characterized in that, the inside multiunit wire that is provided with of heat-resistant layer, the wire has the sponge with heat-resistant layer clearance department packing, heat-resistant layer outer wall cover is equipped with wire mesh shielding layer, wire mesh shielding layer outer wall cover is equipped with the protective sheath, wire mesh shielding layer passes through adhesion agent fixed connection heat-resistant layer and protective sheath, multiunit wire one end fixed connection connecting block, and multiunit wire other end fixed connection connecting block a, connecting block a fixed connection protective sheath surface.
2. The clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene of claim 1, characterized in that, the protective sheath includes rubber sleeve, rubber column and inner sheath, the inner sheath outside is provided with the rubber sleeve, and the circular of rubber sleeve and inner sheath cross-section is located same position, the clearance department of rubber sleeve and inner sheath is provided with a plurality of rubber columns.
3. The clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene of claim 2, characterized in that, the rubber post is the central symmetry setting for the circular of interior sheath cross-section, and rubber post and rubber sleeve inner wall and the outer wall fixed connection of inner sheath.
4. The cross-linked polyethylene insulation low-smoke halogen-free sheath clean computer cable as claimed in claim 1, characterized in that the heat-resistant layer comprises a polyamide layer and a resin layer, the polyamide layer is fixedly connected with the resin layer through an adhesive, a fire-retardant coating is attached to the outer surface of the polyamide layer, and a polypropylene layer is attached to the surface of the resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172098.XU CN212061977U (en) | 2019-12-06 | 2019-12-06 | Clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172098.XU CN212061977U (en) | 2019-12-06 | 2019-12-06 | Clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212061977U true CN212061977U (en) | 2020-12-01 |
Family
ID=73511273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922172098.XU Active CN212061977U (en) | 2019-12-06 | 2019-12-06 | Clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212061977U (en) |
-
2019
- 2019-12-06 CN CN201922172098.XU patent/CN212061977U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203276947U (en) | Environmentally friendly low-smoke halogen-free flame-retardant fireproof medium-voltage power cable | |
| CN103578628A (en) | Mining signal cable | |
| CN204143920U (en) | A kind of aluminium sheath fireproof cable | |
| CN211788265U (en) | Double-layer co-extrusion flame-retardant fire-resistant cable | |
| CN211957210U (en) | Crosslinked polyethylene insulated control cable | |
| CN212061977U (en) | Clean computer cable of insulating low smoke and zero halogen sheath of crosslinked polyethylene | |
| CN214410851U (en) | Flame-retardant cable | |
| CN104867577A (en) | Novel environmental protection safety type fireproof cable | |
| CN211578436U (en) | Low-voltage flexible mineral insulated fireproof cable | |
| CN210039736U (en) | Fireproof cable for nuclear power station | |
| CN214175751U (en) | Insulating flame-retardant fire-resistant medium-voltage cable | |
| CN208225542U (en) | Crosslinked polyetylene insulated corrugated aluminium sheath pvc sheath longitudinal water-blocking flame retardant cable | |
| CN202632816U (en) | Ceramic fire-resistant environment-friendly type control flexible cable | |
| CN205862872U (en) | Halogen insulation power cable used on ship | |
| CN104900317A (en) | Dual-sheath fire-proof digital communication symmetric cable | |
| CN217788040U (en) | Explosion-proof antimagnetic fireproof cable for flexible machine room power supply | |
| CN201749714U (en) | Novel fire-resistant composite shielding armored flame-retardant computer cable | |
| CN216528141U (en) | Novel special explosion-proof control cable | |
| CN217214258U (en) | High temperature resistant fire prevention control instrument cable | |
| CN217386741U (en) | Watertight composite insulation flexible fireproof cable | |
| CN216849428U (en) | Crosslinked polyethylene insulated halogen-free low-smoke flame-retardant computer cable | |
| CN218351173U (en) | Fireproof cable with central control line group | |
| CN215988197U (en) | Aluminum alloy co-extrusion insulation irradiation crosslinking halogen-free low-smoke flame-retardant power cable | |
| CN107833672A (en) | Multifunctional coal mine cable | |
| CN219800523U (en) | Flame-retardant water-blocking flexible power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |