CN217008777U - Double-layer shielding high-speed transmission cable - Google Patents
Double-layer shielding high-speed transmission cable Download PDFInfo
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- CN217008777U CN217008777U CN202220180888.1U CN202220180888U CN217008777U CN 217008777 U CN217008777 U CN 217008777U CN 202220180888 U CN202220180888 U CN 202220180888U CN 217008777 U CN217008777 U CN 217008777U
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Abstract
The utility model belongs to the technical field of the high-speed transmission line technique and specifically relates to a double-deck shielding high-speed transmission cable is related to, and it includes power cord, internal shield layer, signal transmission line, earth connection, external shield and insulating overcoat, the power cord sets up at the inlayer, the power cord skin is provided with the internal shield layer, signal transmission line and earth connection setting are between internal shield layer and external shield, the external shield skin is provided with insulating overcoat. This application has that double-deck shielding is effectual, cable structural stability is strong and transmission performance is high effect.
Description
Technical Field
The application relates to the field of high-speed transmission line technology, in particular to a double-layer shielding high-speed transmission cable.
Background
The cable is a general name of optical cables, electric cables and other articles, is mainly used for controlling installation, connecting equipment, transmitting electric power and the like, is a common and indispensable article in daily life, and is generally a rope-like structure formed by stranding a plurality of or groups of leads (at least two leads in each group), wherein the leads in each group are mutually insulated and are usually twisted around a center, and a highly-insulated covering layer is wrapped outside the whole cable.
In the related art, a transmission cable is an insulated conductor formed by arranging one or more mutually insulated conductive cores in a sealed sheath, and a shielding layer is additionally arranged outside the sealed sheath and used for transmitting, distributing electric energy or transmitting electric signals.
In view of the above-mentioned related technologies, the inventor believes that due to the improvement of the transmission rate, due to the adoption of the single shielding layer, the shielding effect is poor in the electric energy transmission and signal transmission processes, and the transmission performance is general.
SUMMERY OF THE UTILITY MODEL
In order to improve the shielding effect and the transmission performance of the transmission process, the application provides a double-layer shielding high-speed transmission cable.
The application provides a double-deck shielding high speed transmission cable adopts following technical scheme:
the utility model provides a double-deck shielding high-speed transmission cable, includes power cord, internal shield layer, signal transmission line, earth connection, external shield layer and insulating overcoat, the power cord sets up at the inlayer, the power cord skin is provided with the internal shield layer, signal transmission line and earth connection setting are between internal shield layer and external shield layer, the external shield layer skin is provided with insulating overcoat.
Through adopting above-mentioned technical scheme, mainly provide the power supply with the power cord, the internal shield layer plays the shielding effect to the power cord, signal transmission line mainly used signal transmission, avoid arousing electric arc to burn through insulating protective sheath when the earth connection mainly used cable takes place insulation breakdown, the shielding effect of outer shield layer reinforcing signal transmission line, insulating overcoat mainly plays the protecting effect, can avoid the inside infringement that receives the external world of cable, use this scheme, make this high-speed transmission cable possess fine shielding effect, stronger structural stability has simultaneously, and then improve the transmission effect of this transmission cable.
Optionally, a power line insulating layer is arranged between the power line and the inner shielding layer, the outer surface of the power line is sleeved with the inner side of the power line insulating layer, and the outer side of the power line insulating layer is connected with the inner side layer of the inner shielding layer.
By adopting the technical scheme, the power line insulating layer can play an insulating effect on the power line, and the inner shielding layer is favorable for shielding the power line.
Optionally, the outer surface of the signal transmission line is sleeved with a transmission line insulating layer, the outer surface of the grounding line is sleeved with a protective sleeve, and the transmission line insulating layer is abutted to the protective sleeve.
Through adopting above-mentioned technical scheme, utilize the transmission line insulating layer can play the insulating effect to signal transmission line, the protective sheath can play the guard action to ground wire, and the transmission line insulating layer is convenient for form the transmission line pair with the protective sheath butt.
Optionally, the signal transmission line is made of silver-plated copper, and the protective sleeve is made of polypropylene.
By adopting the technical scheme, the attenuation of signals in the transmission process can be effectively reduced by adopting the silver-plated copper, and the sheath has good insulation, high and low temperature resistance and stretching resistance when adopting the polypropylene.
Optionally, the transmission line insulating layer is provided with the inoxidizing coating with the protective sheath skin, the inoxidizing coating parcel is connected transmission line insulating layer and protective sheath fixedly at transmission line insulating layer and protective sheath skin, the inoxidizing coating sets up between internal shield layer and external shield layer.
By adopting the technical scheme, the protective layer is utilized to facilitate the fixed connection of the signal transmission line and the grounding line to form the transmission line pair, and the transmission line pair is favorably divided, fixed and shielded.
Optionally, an insulating shielding layer is arranged between the two adjacent protective layers, one end of the insulating shielding layer is connected with the inner shielding layer, and the other end of the insulating shielding layer is connected with the outer shielding layer.
Through adopting above-mentioned technical scheme, utilize the insulating barrier layer to set up between internal shield layer and external shield layer, be convenient for carry out further shielding with two adjacent transmission line pairs, be favorable to improving signal transmission line's shielding effect, can strengthen this signal transmission line's structural stability simultaneously.
Optionally, the outer layer of outer shielding layer is provided with the flame retardant coating, the inboard and the outer side layer of outer shielding layer of flame retardant coating are connected, the skin of flame retardant coating is provided with the waterproof layer, the inboard and the outer side layer of flame retardant coating of waterproof layer are connected, the outside and the inner side layer of insulating overcoat layer of waterproof layer are connected.
Through adopting above-mentioned technical scheme, utilize the flame retardant coating can play the fireproof effect to this transmission cable effectively, utilize the waterproof layer can play the waterproof effect to this transmission cable effectively, utilize insulating overcoat can carry out comprehensive effectual protection to this transmission cable, prolong its life.
Optionally, the inner shielding layer and the outer shielding layer are both set as metal shielding layers, and the inner shielding layer and the outer shielding layer may be set as copper layers or aluminum layers.
Through adopting above-mentioned technical scheme, utilize the metallic shield layer to be convenient for shield the electromagnetism, make the inside electromagnetic interference who does not receive outside of cable, guarantee that inside electromagnetic energy does not run to the outside easily.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the device is used, by adopting the technical scheme, the power supply wire is mainly used for providing a power supply, the inner shielding layer plays a role in shielding the power supply wire, the signal transmission wire is mainly used for signal transmission, the grounding wire is mainly used for avoiding electric arc from burning through the insulating protective sleeve when the cable is subjected to insulation breakdown, the outer shielding layer enhances the shielding effect of the signal transmission wire, the insulating outer sleeve mainly plays a role in protecting, and the inner part of the cable can be prevented from being damaged by the outside;
2. by adopting the technical scheme, the transmission line insulating layer can play an insulating role on the signal transmission line, the protective sleeve can play a role in protecting the ground wire, and the transmission line insulating layer is abutted against the protective sleeve so as to form a transmission line pair;
3. through adopting above-mentioned technical scheme, utilize the flame retardant coating can play the fireproof effect to this transmission cable effectively, utilize the waterproof layer can play the waterproof effect to this transmission cable effectively, utilize insulating overcoat can carry out comprehensive effectual protection to this transmission cable, prolong its life.
Drawings
Fig. 1 is a schematic structural diagram of a main body of an embodiment of the present application.
Fig. 2 is a cross-sectional view of an embodiment of the present application.
Description of reference numerals: 1. a power line; 11. a power line insulating layer; 2. an inner shield layer; 3. a signal transmission line; 31. a transmission line insulating layer; 4. a ground line; 41. a protective sleeve; 5. an outer shield layer; 6. an insulating outer sleeve; 7. a protective layer; 8. an insulating shield layer; 9. a fire-resistant layer; 10. and a waterproof layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The cable is a general name of articles such as optical cables, electric cables and the like, is mainly used for controlling installation, connecting equipment, transmitting electric power and the like, is a common and indispensable article in daily life, is generally in a rope-like structure formed by stranding a plurality of or groups of leads (at least two leads in each group), is mutually insulated among each group of leads, is usually twisted around a center, and is wrapped with a highly-insulated covering layer; the transmission cable is an insulated conductor formed by arranging one or more mutually insulated conductive wire cores in a sealed sheath, and a shielding layer is arranged outside the sealed sheath and used for transmitting and distributing electric energy or transmitting electric signals.
The embodiment of the application discloses a double-layer shielding high-speed transmission cable. Referring to fig. 1, a double-deck shielding high-speed transmission line cable includes power cord 1, internal shield layer 2, signal transmission line 3, earth connection 4, external shield layer 5, insulating overcoat 6, inoxidizing coating 7, insulating shield layer 8, flame retardant coating 9 and waterproof layer 10, power cord 1 sets up at the inlayer, internal shield layer 2 sets up at power cord 1 skin, signal transmission line 3 is provided with inoxidizing coating 7 with earth connection 4 skin, inoxidizing coating 7 and insulating shield layer 8 set up between internal shield layer 2 and external shield layer 5, flame retardant coating 9 sets up the skin at external shield layer 5, waterproof layer 10 sets up the skin at flame retardant coating 9, insulating overcoat 6 sets up as outmost at the skin of waterproof layer 10.
In the embodiment of the present application, referring to fig. 2, power cord 1 is as providing power supply mainline, set up the inlayer at the cable, power cord 1's diameter size is the biggest, signal transmission line 3's diameter size is the second order, earth connection 4's diameter size is the smallest, the outside of power cord 1 and the inboard of internal shield layer 2 are provided with power cord insulating layer 11, the surface at power cord 1 is established to the inboard cover of power cord insulating layer 11, power cord insulating layer 11 mainly plays the insulating effect to power cord 1, the outside of power cord insulating layer 11 is connected with the inboard layer of internal shield layer 2, be favorable to internal shield layer 2 to shielding power cord 1.
In the embodiment of the present application, signal transmission line 3 constitutes six pairs of transmission line pairs with earth connection 4, signal transmission line 3 mainly used signal transmission, signal transmission line 3 adopts silver-plated copper core, silver-plated copper core can effectively reduce the decay of signal in transmission process, the surface cover of signal transmission line 3 is equipped with transmission line insulating layer 31, utilize transmission line insulating layer 31 to play the insulating effect to signal transmission line 3, the layer thickness of transmission line insulating layer 31 is thinner than the layer thickness of power cord insulating layer 11.
In the embodiment of this application, earth connection 4 mainly used avoids arousing electric arc to burn through insulating protective sheath, the surface cover of earth connection 4 is equipped with protective sheath 41, protective sheath 41 adopts the polypropylene material preparation, make protective sheath 41 have good insulation, resistant high low temperature and stretch-proofing performance, utilize protective sheath 41 to play the guard action to earth connection 4, protective sheath 41's thickness is thinnest, transmission line insulating layer 31 and protective sheath 41 butt, be convenient for form the transmission line pair, be favorable to the high-speed transmission of cable.
In the embodiment of the present application, each pair of transmission line pairs, in which the transmission line insulating layer 31 and the protective sheath 41 form six pairs of transmission line pairs, is provided with the protective layer 7 on the outer layer, and the protective layer 7 wraps the transmission line insulating layer 31 and the protective sheath 41 to realize connection and fixation, thereby being beneficial to dividing, fixing and shielding the transmission line pairs.
In the embodiment of the application, be provided with insulating shield 8 between two adjacent inoxidizing coatings 7, insulating shield 8's one end is connected with the outside layer of internal shield 2, insulating shield 8's the other end is connected with the inside layer of external shield 5, insulating shield 8 mainly used shields two adjacent transmission line pairs, be favorable to improving signal transmission line 3's shielding effect, can strengthen signal transmission line 3's structural stability simultaneously, and then improve transmission cable's transmission effect.
In the embodiment of the application, outer shielding layer 5 sets up the skin at inoxidizing coating 7, the shielding effect of 5 mainly used reinforcing signal transmission line of outer shielding layer 3, outer shielding layer 5 all sets up to the metallic shield layer with internal shield layer 2, the metallic shield layer can adopt copper layer or aluminium lamination, be convenient for shield the inside electromagnetism of signal transmission line 3, make the inside electromagnetic interference who does not receive outside of cable, guarantee that inside electromagnetic energy does not run to the outside easily, make the transmission cable possess good shielding effect simultaneously, effectively improve the transmission effect of transmission cable.
In the embodiment of the application, be provided with flame retardant coating 9 and waterproof layer 10 between the skin of outer shielding layer 5 and insulating overcoat 6's the inlayer, the inboard of flame retardant coating 9 is connected with the outside layer of outer shielding layer 5, the outside of flame retardant coating 9 is connected with the inside layer of waterproof layer 10, the outside of waterproof layer 10 is connected with the inside layer of insulating overcoat 6, utilize flame retardant coating 9 can play the fireproof effect to transmission cable effectively, utilize waterproof layer 10 can play the waterproof effect to transmission cable effectively, utilize insulating overcoat 6 can carry out comprehensive effectual protection to transmission cable, avoid the inside infringement that receives the external world of cable, prolong its life.
The implementation principle of the double-layer shielding high-speed transmission cable in the embodiment of the application is as follows: firstly, a power line 1 is placed on the innermost layer, a power line insulating layer 11 is sleeved on the outer layer of the power line 1, an inner shielding layer 2 is connected on the outer layer of the power line insulating layer 11, a transmission line insulating layer 31 is sleeved on the outer layer of a signal transmission line 3, a protective sleeve 41 is sleeved on the outer layer of a grounding line 4, the transmission line insulating layer 31 and the protective sleeve 41 are wrapped and connected by utilizing a protective layer 7 to form a transmission line pair, an insulating shielding layer 8 is connected on the outer side layer of the inner shielding layer 2 between adjacent protective layers 7, the other side layer of the insulating shielding layer 8 is connected with an outer shielding layer 5, the outer side layer of the outer shielding layer 5 is connected with a fireproof layer 9, the outer side layer of the fireproof layer 9 is connected with a waterproof layer 10, and the outer side layer of the waterproof layer 10 is connected with an insulating outer sleeve 6; utilize the shielding of internal shield layer 2 and 5 double-deck shields of outer shielding layer to make transmission cable possess good shielding effect, utilize the structural stability of insulating shield layer 8 reinforcing cable simultaneously, and then improve transmission cable's transmission effect.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A double-layer shielding high-speed transmission cable is characterized in that: including power cord (1), internal shield layer (2), signal transmission line (3), earth connection (4), external shield (5) and insulating overcoat (6), power cord (1) sets up at the inlayer, power cord (1) skin is provided with internal shield layer (2), signal transmission line (3) and earth connection (4) set up between internal shield layer (2) and external shield (5), external shield (5) skin is provided with insulating overcoat (6).
2. A double shielded high speed transmission cable according to claim 1, wherein: be provided with power cord insulating layer (11) between power cord (1) and internal shield layer (2), power cord insulating layer (11) inboard cover is established at power cord (1) surface, the power cord insulating layer (11) outside is connected with internal shield layer (2) inboard layer.
3. A double shielded high speed transmission cable according to claim 1, wherein: the outer surface cover of signal transmission line (3) is equipped with transmission line insulating layer (31), earth connection (4) outer surface cover is equipped with protective sheath (41), transmission line insulating layer (31) and protective sheath (41) butt.
4. A double shielded high speed transmission cable according to claim 3, wherein: the signal transmission line (3) is made of silver-plated copper, and the protective sleeve (41) is made of polypropylene.
5. A double shielded high speed transmission cable according to claim 4, wherein: transmission line insulating layer (31) and protective sheath (41) skin are provided with inoxidizing coating (7), inoxidizing coating (7) parcel is connected transmission line insulating layer (31) and protective sheath (41) skin fixedly at transmission line insulating layer (31) and protective sheath (41), inoxidizing coating (7) set up between internal shield layer (2) and external shield layer (5).
6. A double shielded high speed transmission cable according to claim 5, wherein: be provided with insulating shielding layer (8) between two adjacent inoxidizing coatings (7), the one end and the internal shield layer (2) layer of insulating shielding layer (8) are connected, the other end and the outer shielding layer (5) layer of insulating shielding layer (8) are connected.
7. A double shielded high speed transmission cable according to claim 6, wherein: the outer fire barrier (9) that is provided with of outer shielding layer (5), the inboard of fire barrier (9) is connected with the outside layer of outer shielding layer (5), the skin of fire barrier (9) is provided with waterproof layer (10), the inboard of waterproof layer (10) is connected with the outside layer of fire barrier (9), the outside of waterproof layer (10) is connected with the inside layer of insulating overcoat (6).
8. A double shielded high speed transmission cable according to claim 1, wherein: the inner shielding layer (2) and the outer shielding layer (5) are both set to be metal shielding layers, and the inner shielding layer (2) and the outer shielding layer (5) can be set to be copper layers or aluminum layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220180888.1U CN217008777U (en) | 2022-01-24 | 2022-01-24 | Double-layer shielding high-speed transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220180888.1U CN217008777U (en) | 2022-01-24 | 2022-01-24 | Double-layer shielding high-speed transmission cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217008777U true CN217008777U (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220180888.1U Active CN217008777U (en) | 2022-01-24 | 2022-01-24 | Double-layer shielding high-speed transmission cable |
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| Country | Link |
|---|---|
| CN (1) | CN217008777U (en) |
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- 2022-01-24 CN CN202220180888.1U patent/CN217008777U/en active Active
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