CN203150196U - High noise-resistance video transmission cable - Google Patents
High noise-resistance video transmission cable Download PDFInfo
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- CN203150196U CN203150196U CN 201320183384 CN201320183384U CN203150196U CN 203150196 U CN203150196 U CN 203150196U CN 201320183384 CN201320183384 CN 201320183384 CN 201320183384 U CN201320183384 U CN 201320183384U CN 203150196 U CN203150196 U CN 203150196U
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Abstract
The utility model discloses a high noise-resistance video transmission cable, comprising video wire cores (4), high frequency audio wire cores (6) and power wire cores (5). Each video wire core is formed by a finely twisted flexible tinned copper or naked copper conductor (41) which is wrapped by an insulating layer (42) and is then wrapped by an aluminum foil (43) for shielding; each high frequency audio wire core is formed by a finely twisted flexible tinned copper of naked copper conductor (61) which is wrapped by an insulating layer (62), and the insulating layer is wrapped by a noise-resistance semiconductor layer (63) and then wrapped by an aluminum foil (64) for shielding; each power wire core is formed by a finely twisted flexible tinned copper or naked copper conductor (51) which is wrapped by an insulating layer (52); and the plurality of video wire cores, the high frequency audio wire cores and the plurality of power wire cores are cabled and wrapped by an aluminium magnesium alloy wire or tinned copper wire braid layer (7) as general shielding, and is then wrapped by an outer sheath (8) outside. The high noise-resistance video transmission cable integrates low frequency and high frequency audio signals, video signals and power delivery signals into a whole, and can save installation space and improve installation efficiency.
Description
Technical field
The utility model relates to a kind of Voice ﹠ Video transmission cable, relates in particular to a kind of Remote smart machine audio frequency and video transmission cable.
Background technology
Just be absorbed in the transmission of signal of video signal in the existing video surveillance network wiring, ignored the needs of some high-end users to audio signal, performance is too single.Development along with technology, the popularization of intelligent grid technology will realize that electricity consumer long-distance intelligent control, the monitoring of water, electricity and gas consumption the Internet, water, electricity and gas use intellectual technologies such as monitoring in real time, be the model with the present age most advanced intellectual technology, electrical technology, internet information technological incorporation application.The audio cable product that adopts can not satisfy the intelligent grid demand in the signal transmission at present, brings very big technology space for the research and development of used for intelligent electric network Remote devices communicating cable.
Existing audio cable product is divided into high-frequency audio line and low frequency tone frequency channel wire according to technology category.The high-frequency audio line adopts the coaxial transmission principle, has the ectonexine conductor structure.Low frequency tone frequency channel wire antagonism noise performance requires lower, is similar to common telephone wire.Individually the higher low frequency tone frequency channel wire of noiseproof feature is adopted the total shielding construction of one deck.Common multicore low frequency audio frequency telecommunication cable structure as shown in Figure 1, general stranded naked copper (or zinc-plated) conductor 11 that adopts, polyolefin or cross-linked polyolefin insulation 12, or polyvinyl chloride insulation 12, outsourcing aluminum foil shielded or metal wire knitted shielding 14 behind the split conductor stranding, fill out filler 13 and a ground connection drainage thread 15 between split conductor, polyvinyl chloride, low-smoke halogen-free polyolefin, polyurethane are as oversheath 16.Adopt multi-core coaxial video monitoring telecommunication cable structure as shown in Figure 2, the general single or stranded naked copper (zinc-plated) that adopts is as conductor 21, solid or physical blowing polyethylene 22 is as insulating barrier, outsourcing aluminium foil or copper wire braid 23 are as screen, outsourcing polyester belt or nonwoven fabrics 24 wrapped backs shield as total with aluminium foil or copper wire braid 25 behind the split conductor stranding, and flame-proof polyvinyl chloride (low-smoke halogen-free polyolefin) 26 is as oversheath.Common single core high-frequency audio cable structure as shown in Figure 3, general stranded naked copper (or zinc-plated) conductor 31 that adopts, high density polyethylene (HDPE) insulation 32, outsourcing tincopper fuse wire braided armor 34 is as shielding again behind the anti-noise semi-conductive layer 33 of outsourcing, and low-smoke halogen-free polyolefin or polyvinyl chloride are as oversheath 35.
Summary of the invention
The purpose of this utility model is to provide a kind of high noise resistance video transmission cable, the integrated low frequency of this audio frequency and video transmission cable and high-frequency audio signal, vision signal and power carry signal in one, can save installing space, improve installation effectiveness, reduce maintenance cost.
In order to realize above-mentioned technical purpose, the utility model adopts following technical scheme:
A kind of high noise resistance video transmission cable comprises video core, high-frequency audio core and electric power core, and described video core is by meticulous stranded soft tin-coated copper or bare copper conductor outsourcing insulation wrapped aluminum foil shielded again; The high-frequency audio core is by meticulous stranded soft tin-coated copper or bare copper conductor outsourcing insulation, wrapped aluminum foil shielded again behind the insulating barrier outsourcing noise resistance semi-conductive layer; The electric power core is by meticulous stranded soft tin-coated copper or bare copper conductor outsourcing insulation; Outsourcing aluminum-magnesium alloy wire or tincopper fuse wire braided armor are as total shielding behind many video cores and high-frequency audio core and the many electric power core strandings, and the outside is wrapped oversheath again.
Described video core is five, and the high-frequency audio core is four, and the electric power core is three, and in the middle of three electric power cores were positioned at, peripheral interval arranged video core and high-frequency audio core, and wherein the two video cores in a place are arranged side by side.
Described video line core insulation layer is the physical blowing polyolefin insulation.
Described high-frequency audio core insulating barrier is the high density polyethylene (HDPE) insulation.
Described power line core insulation layer is the high temperature resistant low smoke and zero halogen cross-linked polyolefin insulation of oil resistant.
Described oversheath is high flame resistance, low smoke halogen-free polyolefin sheath.
Described aluminium foil is the self-adhesion aluminium foil.
Circular telecommunication cable of the present utility model compared with prior art, its good effect is:
(1) integrated low frequency and high-frequency audio signal, vision signal and power carry signal in one, pliability is good, can save installing space, improve installation effectiveness, reduce maintenance cost, the modular applications of appliance equipment under suitable intelligent grid and " unification of three nets " communication network.
(2) scope of application is wide, has the optical fiber irreplaceability, is that the optical fiber useful product of project of registering one's residence replenishes.When satisfying the user and moving use, can also satisfy the multiple signal transmission requirements of user.
(3) by the selection of material, can satisfy the heavier production equipment of greasy dirt, outdoor network layout, the serious higher polytype needs such as public arena of chemical enterprise, fire protection criteria of acid and alkali corrosion.Long service life, safe and reliable.
Description of drawings
Fig. 1 is existing multicore low frequency audio frequency telecommunication cable structural representation;
Fig. 2 is the existing multi-core coaxial video monitoring telecommunication cable structural representation that adopts;
Fig. 3 is existing single core high-frequency audio cable structure schematic diagram;
Fig. 4 is the utility model high noise resistance video transmission cable structural representation.
Among the figure: 11 stranded naked copper (or zinc-plated) conductors, 12 polyolefin (cross-linked polyolefin) insulation or polyvinyl chloride insulation, 13 fillers, 14 aluminum foil shieldeds or metal wire knitted shielding, 15 ground connection drainage threads, 16 polyvinyl chloride, low-smoke halogen-free polyolefin, polyurethane oversheath;
21 single or stranded naked copper (zinc-plated) conductors, 22 solid or physically foamed pe insulation layers, 23 aluminium foils or copper wire woven shield, 24 polyester belts or nonwoven fabrics, 25 aluminium foils or copper wire woven shield, 26 flame-proof polyvinyl chlorides (low-smoke halogen-free polyolefin) oversheath;
31 stranded naked copper (or zinc-plated) conductors, the insulation of 32 high density polyethylene (HDPE)s, 33 anti-noise semi-conductive layers, 34 tinned copper wire braid shieldeds, 35 low-smoke halogen-free polyolefin sheath or pvc sheaths
4 video cores, 41 meticulous stranded soft tin-coated copper (or naked copper) conductors, 42 physical blowing polyolefin insulations, 43 aluminium foils, 5 electric power cores, 51 meticulous stranded soft tin-coated copper (or naked copper) conductors, low smoke and zero halogen cross-linked polyolefin insulation that 52 oil resistants are high temperature resistant, 6 high-frequency audio cores, 61 meticulous stranded soft tin-coated copper (or naked copper) conductors, the insulation of 62 high density polyethylene (HDPE)s, 63 noise resistance semi-conductive layers, 64 aluminium foils, 7 aluminum-magnesium alloy wires or tincopper fuse wire braided armor, 8 high flame resistance, low smoke halogen-free polyolefin oversheaths.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
A kind of high noise resistance video transmission cable comprises video core 4, high-frequency audio core 6 and electric power core 5, and described video core 4 is by meticulous stranded soft tin-coated copper or wrapped aluminium foil 43 shieldings again of bare copper conductor 41 outsourcing insulations 42, and aluminium foil 43 is the self-adhesion aluminium foil; High-frequency audio core 6 is by meticulous stranded soft tin-coated copper or bare copper conductor 61 outsourcing insulations 62, wrapped aluminium foil 64 shieldings again behind the insulating barrier 62 outsourcing noise resistance semi-conductive layers 63, and aluminium foil 64 is the self-adhesion aluminium foil; Electric power core 5 is by meticulous stranded soft tin-coated copper or bare copper conductor 51 outsourcing insulations 52; Outsourcing aluminum-magnesium alloy wire or tincopper fuse wire braided armor 7 are as total shielding behind many video cores 4 and high-frequency audio core 6 and many electric power core 5 strandings, and the outside is wrapped oversheath 8 again.Described video core 4 is five, and high-frequency audio core 6 is four, and electric power core 5 is three, and in the middle of three electric power cores 5 were positioned at, peripheral interval arranged video core 4 and high-frequency audio core 6, and wherein the two video cores 4 in a place are arranged side by side.Described power line core insulation layer 52 is the high temperature resistant low smoke and zero halogen cross-linked polyolefin insulation of oil resistant.
Described video line core conductor 41, high-frequency audio core conductor 61 and power line core conductor 51 adopt the special-purpose soft copper wire (tinned copper wire or bare copper wire) of highly purified electrical industry, meet IEC60228:2004 " conductor of insulated cable " standard, conductor has excellent conducting performance and tensile strength, user installation in the suitable little space, pliability is good, increases the useful life of product.Conductor has guaranteed product favorable conductive ability, electromagnetic signal transmission performance and fitting operation easily;
Described video line core insulation layer 42 is the physical blowing polyolefin, and high-frequency audio core insulating barrier 62 is the high density polyethylene (HDPE) insulation.The audio frequency and video core meets technical standards such as GB/T 14864, YD/T897 standard, can satisfy the demand of aspects such as network impedance, electric capacity, band signal transmission, flow, guarantee mobile use the middle pitch video monitoring signal do not interrupt, not disorderly, pilot signal is sent to Surveillance center or user on the spot timely and effectively.The outstanding low-smoke halogen-free polyolefin Insulation Material of performance such as safety and environmental protection, low smoke and zero halogen, good insulation preformance, electromagnetic consumable are little, temperature resistant grade height are adopted in the insulation of video core and high-frequency audio core, in the control manufacturing cost, the realization of multiple conveying functions such as realization intelligent grid and user's safe prevention and control, live video, monitoring of equipment signal, command signal.The good insulation performance performance improves the high temperature resistant and Electro Magnetic Compatibility of cable.Can make product when fixed installation operate as normal in-70 ℃～150 ℃ scopes.
Video core 4 and high-frequency audio core 6 adopts independent aluminum foil shielded technology, by wrapped self-adhesion aluminium foil the interior external electromagnetic field of high-frequency audio core and video core carried out comprehensive partition, guarantees that signal is interference-free.The self-adhesion aluminium foil in wrapped back the binding agent by self wrapped slots close is bonding, cable products bending when having guaranteed mobile uses and not cracking, thus can not cause leakage signal or electromagnetic interference.Metal covering was outside when aluminium foil was wrapped.
Outsourcing aluminum-magnesium alloy wire or tincopper fuse wire braided armor 7 are as the total screen of metal behind video core 4 and high-frequency audio core 6 and electric power core 5 strandings, can effectively shield the electromagnetic interference of low frequency, high field intensity, and can play effects such as rock-steady structure, ground connection drainage, effectively blocking oxygen enters the inner and retardance product of cable prolong combustion in fire when fire takes place, and guarantees that Direction Center receives signal and sends the fire-fighting instruction for the operating time of intraware a few minutes.
For the aluminum foil metal face is contacted with the outside wire sheathing, do not use wrapped material during stranding, reduce cost simultaneously.The important function of wire braid is embodied in following three aspects: a, braid have structural stability preferably, guarantee that intraware is not mobile when product moves crooked the use; B, wire sheathing have excellent shielding effect to strong-electromagnetic field, are the strong of aluminum foil shielded replenished.Foil shielding layer shielding frequency range is wide, but to strongly disturbing screening ability a little less than; C, metal knitted screen can also be as the ground connection drainage components, with the timely ground connection of electric current of aluminium foil or the generation of self shield electromagnetic interference.
Oversheath 8 can be selected high flame resistance, low smoke halogen-free polyolefin protective cover material for use according to the workplace.When product of the present utility model runs into fire, product can not produce the toxic smog personnel that cause and suffocate, can not produce dense smog and cover escape route, more can not prolong combustion and become the ignition source of fire spread, and intraware still can be adhered to work under the situation of self passive burning, brings great convenience to fire-fighting.Also can select the oil proof sheath material, to adapt to oil pollution environment; Can select temperature-resistant material, the needs of the refrigerant latitudes that the operational environment that satisfied temperature is higher or temperature are extremely low; Can select the acid and alkali-resistance sheath material, satisfy the needs of chemical enterprise; Can select waterproof material, satisfy the needs of wiring under water etc.
The utility model high noise resistance video transmission cable can be installed a plurality of monitoring probes simultaneously, realize once connecting up light networking, can realize the real-time conversation that Surveillance center and monitoring are on-the-spot, remedied the single deficiency of present monitoring-controlling system signal transmission, by the synthetic audio-video signal synchronous transmission that realizes of technology.
High noise resistance video transmission cable of the present utility model carries signal to be integrated in one low frequency and high-frequency audio signal, vision signal and power, is fit to the modularization wiring of specialist equipment such as modern electrical apparatus control equipment, watch-dog, data handling system and network system.Good heat-resisting, cold-resistant, oil resistant, properties of product assurance product operate as normal in particular surroundings such as fire-retardant.
It below only is preferred embodiment of the present utility model; be not for limiting protection range of the present utility model; therefore, all any modifications of within spirit of the present utility model and principle, doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. high noise resistance video transmission cable, it is characterized in that: comprise video core (4), high-frequency audio core (6) and electric power core (5), described video core (4) is by meticulous stranded soft tin-coated copper or bare copper conductor (41) outsourcing insulation (42) wrapped aluminium foil (43) shielding again; High-frequency audio core (6) is by meticulous stranded soft tin-coated copper or bare copper conductor (61) outsourcing insulation (62), wrapped aluminium foil (64) shielding again behind insulating barrier (62) the outsourcing noise resistance semi-conductive layer (63); Electric power core (5) is by meticulous stranded soft tin-coated copper or bare copper conductor (51) outsourcing insulation (52); Outsourcing aluminum-magnesium alloy wire or tincopper fuse wire braided armor (7) are as shielding always behind many video cores (4) and high-frequency audio core (6) and many electric power cores (5) stranding, and the outside is wrapped oversheath (8) again.
2. high noise resistance video transmission cable according to claim 1, it is characterized in that: described video core (4) is five, high-frequency audio core (6) is four, electric power core (5) is three, in the middle of three electric power cores (5) are positioned at, peripheral video core (4) and the high-frequency audio core (6) of arranging at interval, wherein the two video cores in a place (4) are arranged side by side.
3. high noise resistance video transmission cable according to claim 1 and 2, it is characterized in that: described video line core insulation layer (42) is the physical blowing polyolefin insulation.
4. high noise resistance video transmission cable according to claim 1 and 2 is characterized in that: described high-frequency audio core insulating barrier (62) is the high density polyethylene (HDPE) insulation.
5. high noise resistance video transmission cable according to claim 1 and 2 is characterized in that: described power line core insulation layer (52) is the high temperature resistant low smoke and zero halogen cross-linked polyolefin insulation of oil resistant.
6. high noise resistance video transmission cable according to claim 1 and 2, it is characterized in that: described oversheath (8) is high flame resistance, low smoke halogen-free polyolefin sheath.
7. high noise resistance video transmission cable according to claim 1 and 2, it is characterized in that: described aluminium foil (43,64) is the self-adhesion aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320183384 CN203150196U (en) | 2013-04-12 | 2013-04-12 | High noise-resistance video transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320183384 CN203150196U (en) | 2013-04-12 | 2013-04-12 | High noise-resistance video transmission cable |
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| Publication Number | Publication Date |
|---|---|
| CN203150196U true CN203150196U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320183384 Expired - Fee Related CN203150196U (en) | 2013-04-12 | 2013-04-12 | High noise-resistance video transmission cable |
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| CN (1) | CN203150196U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887285A (en) * | 2017-04-21 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | A kind of D interface cable and preparation method thereof |
| CN107240461A (en) * | 2017-06-22 | 2017-10-10 | 迈特诺（马鞍山）特种电缆有限公司 | A kind of coaxial bridges signal cable of 27 cores and its manufacture method |
| CN107658056A (en) * | 2017-10-31 | 2018-02-02 | 正威科技（深圳）有限公司 | A kind of high speed optoelectronic composite cable |
-
2013
- 2013-04-12 CN CN 201320183384 patent/CN203150196U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887285A (en) * | 2017-04-21 | 2017-06-23 | 宁夏中盛电缆技术有限公司 | A kind of D interface cable and preparation method thereof |
| CN107240461A (en) * | 2017-06-22 | 2017-10-10 | 迈特诺（马鞍山）特种电缆有限公司 | A kind of coaxial bridges signal cable of 27 cores and its manufacture method |
| CN107658056A (en) * | 2017-10-31 | 2018-02-02 | 正威科技（深圳）有限公司 | A kind of high speed optoelectronic composite cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |