CN109801744B - Anti-interference signal cable and production method - Google Patents
Anti-interference signal cable and production method Download PDFInfo
- Publication number
- CN109801744B CN109801744B CN201910044978.0A CN201910044978A CN109801744B CN 109801744 B CN109801744 B CN 109801744B CN 201910044978 A CN201910044978 A CN 201910044978A CN 109801744 B CN109801744 B CN 109801744B
- Authority
- CN
- China
- Prior art keywords
- cable
- glue
- grounding
- cable core
- shielding
- 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
Landscapes
- Cable Accessories (AREA)
Abstract
The invention discloses an anti-interference signal cable which comprises a cable core, a cable protective sleeve and a cable core inner bushing, wherein the cable core inner bushing is wrapped on the outer surface of the cable core, a sealing adhesive layer is filled between the cable core inner bushing and the cable core, a first mounting groove is formed in the cable core inner bushing, and a first shielding alloy net is fixedly connected to the inside of the first mounting groove. The anti-interference signal cable and the production method can greatly improve the anti-interference performance of the cable, meanwhile, the tensile and bending resistance of the shielding layer can be greatly enhanced by carrying out mesh design on the shielding layer, the cable is prevented from being easily broken and losing the electromagnetic shielding function, the aim of carrying out all-dimensional electromagnetic shielding between cable cores and between the cable and the outside world by using a metal material with high alloy magnetic permeability is fulfilled, the electromagnetic interference signal is grounded while electromagnetic shielding is carried out, and thus the normal transmission of the weak point signal of the cable is ensured.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an anti-interference signal cable and a production method thereof.
Background
The cable is a material used for electric power, electricity and related transmission purposes, the 'wire' and the 'cable' do not have strict limits, generally, products with few cores, small product diameters and simple structures are called as wires, uninsulated products are called as bare wires, other products are called as cables, the wire and cable industry is only a matched industry, but occupies the output value of 1/4 in the Chinese electrician industry, the cable has a plurality of product types and wide application range, relates to the industries of electric power, construction, communication, manufacturing and the like, is closely related to various departments of national economy, is also called as 'artery' and 'nerve' of the national economy, is a basic device indispensable for transmitting electric energy, transmitting information and manufacturing various motors, instruments and meters and realizing electromagnetic energy conversion, and is a necessary basic product in future electrification and information-based society, in order to improve the interference capability of the cable against external electromagnetic fields and prevent the cable from radiating electromagnetic fields to the outside during operation, the stability and reliability of the operation of the cable are improved, the shielding layer structure of the transmission cable generally needs to be provided with an anti-electromagnetic interference shielding layer, and the traditional cable protective layer generally comprises the following structural layers: the magnetic shielding and metal protecting layer mainly comprises a steel belt, and has the main functions of realizing the magnetic shielding of the cable, preventing the cable from being interfered by an external magnetic field and improving the capacity of the cable for resisting mechanical external force. The outermost layer is an outer sheath which is a functional protective layer for flame retardance, water resistance, ultraviolet resistance, termite resistance and the like of the cable.
The present cable increases the metal shield layer at the surface of cable mostly and carries out anti-electromagnetic interference protection, however, such anti-interference performance is relatively poor, and can only unilateral realize the electromagnetic interference of external to the cable, and can not realize the interference between each cable core of cable, integral metal shield layer tensile and anti bending property are relatively poor simultaneously, easy fracture, thereby lose electromagnetic shield function, can't reach through using the high metal material of alloy magnetic permeability to realize carrying out all-round electromagnetic shield's purpose between each cable core and between cable and the external world, can not realize carrying out electromagnetic shield while grounding electromagnetic interference signal, thereby can not guarantee the normal transmission of cable weak point signal.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an anti-interference signal cable and a production method thereof, and solves the problems that the existing anti-interference performance is poor, the electromagnetic interference of the outside to the cable can be realized only in a single way, the interference among cable cores of the cable can not be realized, meanwhile, the integral metal shielding layer has poor tensile and bending resistance and is easy to break, so that the electromagnetic shielding function is lost, the aim of performing all-dimensional electromagnetic shielding between the cable cores and between the cable and the outside by using a metal material with high alloy magnetic permeability can not be fulfilled, and the electromagnetic interference signal can not be grounded while electromagnetic shielding is performed.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an anti-interference signal cable comprises a cable core, a cable protection sleeve and a cable core inner bushing, wherein the cable core inner bushing is wrapped on the outer surface of the cable core, a sealing adhesive layer is filled between the cable core inner bushing and the cable core, a first mounting groove is formed in the cable core inner bushing, a first shielding alloy net is fixedly connected to the inside of the first mounting groove, a second mounting groove is formed in the cable protection sleeve, a second shielding alloy net is fixedly connected to the inside of the second mounting groove, a waterproof insulating layer is filled between the cable protection sleeve and the cable core inner bushing, a connecting groove is formed in the inner wall of the cable protection sleeve, between the cable core inner bushing and the waterproof insulating layer, a grounding alloy metal core is fixedly installed in the connecting groove, one end of the grounding alloy metal core is fixedly connected with the surface of the first shielding alloy net, and the other end of the grounding alloy metal core is fixedly connected with the surface of the, the outer fixed surface of cable protective sheath is connected with the ground connection lantern ring, and the outer fixed surface of ground connection lantern ring is connected with inserts ground needle.
Preferably, a third mounting groove is formed in the outer surface of the cable protection sleeve, and a grounding alloy metal block is fixedly connected to the inside of the third mounting groove.
Preferably, one side of the grounding alloy metal block is fixedly connected with the surface of the second shielding alloy mesh, and the other side of the grounding alloy metal block is fixedly connected with the inner wall of the grounding lantern ring.
Preferably, the sealant layer is one or a combination of more of PS glue, PC glue, PA glue, PP glue, PE glue, rubber glue, or polyurethane glue.
Preferably, the first shielding alloy mesh, the second shielding alloy mesh, the grounding alloy metal core and the grounding alloy metal block are all made of iron-nickel alloy, and the weight parts of the components of the iron-nickel alloy are 20-30% of nickel, 50-70% of iron, 5-14% of niobium and 0.3-0.7% of carbon.
The invention also discloses a production method of the anti-interference signal cable, which specifically comprises the following steps:
s1, firstly, selecting a required cable core, fixing one end of the selected cable core on clamping equipment, penetrating the cable core into a cable core inner bushing, pouring sealing glue into the cable core inner bushing through a glue pouring machine, forming a sealing glue layer after the sealing glue is dried, meanwhile, forming a first mounting groove in the cable core inner bushing, and mounting a first shielding alloy net in the first mounting groove;
s2, selecting a cable protection sleeve matched with the cable core inner bushing, penetrating the cable core inner bushing prepared in the step S1 into the cable protection sleeve, pouring waterproof insulating glue into the cable protection sleeve through a glue pouring machine, before the waterproof insulating glue is dried, arranging connecting grooves which are matched with each other on the surfaces, close to the port, of the cable core inner bushing and the cable protection sleeve, installing a grounding alloy metal core in the connecting grooves, and bonding and fixing the grounding alloy metal core and a first shielding alloy net and a second shielding alloy net respectively through the waterproof insulating glue;
s3, sleeving the grounding lantern ring on the outer surface of the cable protective sleeve and fixing the grounding lantern ring through glue, forming a third installation groove on the outer surface of the cable protective sleeve at the moment, coating the glue inside the third installation groove to install the grounding alloy metal block in the third installation groove, and fixing two sides of the grounding alloy metal block with the second shielding alloy net and the grounding lantern ring respectively;
and S4, finally, people can install the cable on the ground through the ground pin for use.
(III) advantageous effects
The invention provides an anti-interference signal cable and a production method thereof. Compared with the prior art, the method has the following beneficial effects: the anti-interference signal cable and the production method thereof are characterized in that a first mounting groove is formed in a cable core inner bushing, a first shielding alloy net is fixedly connected in the first mounting groove, a second mounting groove is formed in a cable protective sleeve, a second shielding alloy net is fixedly connected in the second mounting groove, a waterproof insulating layer is filled between the cable protective sleeve and the cable core inner bushing, a connecting groove is formed in the inner wall of the cable protective sleeve, between the cable core inner bushing and the waterproof insulating layer, a grounding alloy metal core is fixedly mounted in the connecting groove, one end of the grounding alloy metal core is fixedly connected with the surface of the first shielding alloy net, the other end of the grounding alloy metal core is fixedly connected with the surface of the second shielding alloy net, a grounding sleeve ring is fixedly connected to the outer surface of the cable protective sleeve, and a grounding pin is fixedly connected to the outer surface of the grounding, and then the third mounting groove and the grounding alloy metal block are matched, the sealing glue layer is one or a combination of more of PS glue, PC glue, PA glue, PP glue, PE glue, rubber glue or polyurethane glue, the first shielding alloy net, the second shielding alloy net, the grounding alloy metal core and the grounding alloy metal block are all made of iron-nickel alloy, the weight ratio of the components of the iron-nickel alloy is 20-30% of nickel, 50-70% of iron, 5-14% of niobium and 0.3-0.7% of carbon, the anti-interference performance of the cable can be greatly improved, the electromagnetic interference of the outside on the cable can be well shielded, the interference among all cable cores of the cable can be shielded, meanwhile, the tensile and bending resistance performance of the shielding layer can be greatly enhanced by carrying out mesh design on the shielding layer of the junction piece, the easy fracture and the electromagnetic shielding function can be prevented, and the effects of realizing the electromagnetic interference among all cable cores and the cable by using metal material with high alloy magnetic permeability can be well achieved The electromagnetic shielding is carried out between the cable and the outside, so that electromagnetic interference signals are grounded while electromagnetic shielding is carried out, and normal transmission of cable weak point signals is guaranteed.
Drawings
FIG. 1 is a cross-sectional view of a fiber optic cable according to the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 3 is a schematic structural diagram of the present invention.
In the figure, 1 cable core, 2 cable protective sleeve, 3 cable core inner bushing, 4 sealant layer, 5 first mounting groove, 6 first shielding alloy net, 7 second mounting groove, 8 second shielding alloy net, 9 waterproof insulating layer, 10 connecting groove, 11 grounding alloy metal core, 12 grounding lantern ring, 13 ground pin, 14 third mounting groove, 15 grounding alloy metal block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention provides a technical solution: an anti-interference signal cable comprises a cable core 1, a cable protection sleeve 2 and a cable core inner bushing 3, wherein the cable core inner bushing 3 is wrapped on the outer surface of the cable core 1, a sealing adhesive layer 4 is filled between the cable core inner bushing 3 and the cable core 1, a first mounting groove 5 is formed in the cable core inner bushing 3, a first shielding alloy net 6 is fixedly connected in the first mounting groove 5, a second mounting groove 7 is formed in the cable protection sleeve 2, a second shielding alloy net 8 is fixedly connected in the second mounting groove 7, a waterproof insulating layer 9 is filled between the cable protection sleeve 2 and the cable core inner bushing 3, a connecting groove 10 is formed in the inner wall of the cable protection sleeve 2, between the cable core inner bushing 3 and the waterproof insulating layer 9, a grounding alloy metal core 11 is fixedly mounted in the connecting groove 10, one end of the grounding alloy metal core 11 is fixedly connected with the surface of the first shielding alloy net 6, and the other end of the grounding alloy metal core 11 is fixedly connected with the surface of the second shielding alloy mesh 8, the outer surface of the cable protective sleeve 2 is fixedly connected with a grounding lantern ring 12, and the outer surface of the grounding lantern ring 12 is fixedly connected with a ground inserting needle 13.
In the invention, the outer surface of the cable protective sleeve 2 is provided with a third mounting groove 14, and the inside of the third mounting groove 14 is fixedly connected with a grounding alloy metal block 15.
In the invention, one side of the grounding alloy metal block 15 is fixedly connected with the surface of the second shielding alloy mesh 8, and the other side of the grounding alloy metal block 15 is fixedly connected with the inner wall of the grounding lantern ring 12.
In the invention, the sealant layer 4 is one or a combination of more of PS glue, PC glue, PA glue, PP glue, PE glue, rubber glue or polyurethane glue.
In the invention, the first shielding alloy mesh 6, the second shielding alloy mesh 8, the grounding alloy metal core 11 and the grounding alloy metal block 15 are all made of iron-nickel alloy, the weight parts of the components of the iron-nickel alloy are 20-30% of nickel, 50-70% of iron, 5-14% of niobium and 0.3-0.7% of carbon, the highest magnetic permeability of the iron-nickel alloy groove can reach 30 ten thousand, and the magnetic permeability effect is very good, thereby greatly improving the electromagnetic shielding effect.
The invention also discloses a production method of the anti-interference signal cable, which specifically comprises the following steps:
s1, firstly, selecting a required cable core 1, fixing one end of the selected cable core 1 on clamping equipment, then penetrating the cable core 1 into a cable core inner bushing 3, pouring sealing glue into the cable core inner bushing 3 through a glue pouring machine, forming a sealing glue layer 4 after the sealing glue is dried, meanwhile, forming a first mounting groove 5 in the cable core inner bushing 3, and mounting a first shielding alloy net 6 in the first mounting groove 5;
s2, selecting a cable protection sleeve 2 matched with the cable core inner bushing 3, penetrating the cable core inner bushing 3 prepared in the step S1 into the cable protection sleeve 2, pouring waterproof insulating glue into the cable protection sleeve 2 through a glue pouring machine, before the waterproof insulating glue is dried, arranging connecting grooves 10 which are matched with each other on the surfaces, close to the port, of the cable core inner bushing 3 and the cable protection sleeve 2, installing a grounding alloy metal core 11 in the connecting grooves 10, and performing bonding and fixing through the waterproof insulating glue to enable the grounding alloy metal core 11 to be fixed with the first shielding alloy net 6 and the second shielding alloy net 8 respectively;
s3, sleeving the grounding lantern ring 12 on the outer surface of the cable protective sleeve 2 and fixing the grounding lantern ring through glue, forming a third installation groove 14 in the outer surface of the cable protective sleeve 2, coating the glue inside the third installation groove 14 to install the grounding alloy metal block 15 in the third installation groove 14, and fixing two sides of the grounding alloy metal block 15 with the second shielding alloy net 8 and the grounding lantern ring 12 respectively;
and S4, finally, people can install the cable on the ground through the ground pin 13 for use.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an anti-interference signal cable, includes cable core (1), cable protection cover (2) and cable core neck bush (3), cable core neck bush (3) wrap up in the surface of cable core (1), and it has sealing glue layer (4), its characterized in that to fill between cable core neck bush (3) and cable core (1): a first mounting groove (5) is formed in the cable core inner bushing (3), a first shielding alloy net (6) is fixedly connected to the inside of the first mounting groove (5), a second mounting groove (7) is formed in the cable protective sleeve (2), a second shielding alloy net (8) is fixedly connected to the inside of the second mounting groove (7), a waterproof insulating layer (9) is filled between the cable protective sleeve (2) and the cable core inner bushing (3), a connecting groove (10) is formed between the inner wall of the cable protective sleeve (2), the cable core inner bushing (3) and the waterproof insulating layer (9), a grounding alloy metal core (11) is fixedly mounted in the connecting groove (10), one end of the grounding alloy metal core (11) is fixedly connected with the surface of the first shielding alloy net (6), and the other end of the grounding alloy metal core (11) is fixedly connected with the surface of the second shielding alloy net (8), the outer fixed surface of cable protective sheath (2) is connected with ground lantern ring (12), and the outer fixed surface of ground lantern ring (12) is connected with inserts ground needle (13).
2. A tamper-resistant signal cable according to claim 1, wherein: the cable protection sleeve (2) is characterized in that a third mounting groove (14) is formed in the outer surface of the cable protection sleeve, and a grounding alloy metal block (15) is fixedly connected to the inside of the third mounting groove (14).
3. A tamper-resistant signal cable according to claim 2, wherein: one side of the grounding alloy metal block (15) is fixedly connected with the surface of the second shielding alloy net (8), and the other side of the grounding alloy metal block (15) is fixedly connected with the inner wall of the grounding lantern ring (12).
4. A tamper-resistant signal cable according to claim 1, wherein: the sealing glue layer (4) is one or a combination of more of PS glue, PC glue, PA glue, PP glue, PE glue, rubber glue or polyurethane glue.
5. A tamper-resistant signal cable according to any one of claims 1-4, wherein: the production method of the anti-interference signal cable specifically comprises the following steps:
s1, firstly, selecting a required cable core (1), fixing one end of the selected cable core (1) on clamping equipment, then penetrating the cable core (1) into a cable core inner bushing (3), pouring sealing glue into the cable core inner bushing (3) through a glue pouring machine, forming a sealing glue layer (4) after the sealing glue is dried, meanwhile, forming a first mounting groove (5) in the cable core inner bushing (3), and mounting a first shielding alloy net (6) in the first mounting groove (5);
s2, selecting a cable protection sleeve (2) matched with the cable core inner bushing (3), penetrating the cable core inner bushing (3) prepared in the S1 into the cable protection sleeve (2), pouring waterproof insulating glue into the cable protection sleeve (2) through a glue pouring machine, before the waterproof insulating glue is dried, arranging connecting grooves (10) matched with each other on the surfaces, close to the port, of the cable core inner bushing (3) and the cable protection sleeve (2), installing a grounding alloy metal core (11) in the connecting grooves (10), and bonding and fixing the grounding alloy metal core (11) through the waterproof insulating glue to enable the grounding alloy metal core to be fixed with a first shielding alloy net (6) and a second shielding alloy net (8) respectively;
s3, sleeving the grounding lantern ring (12) on the outer surface of the cable protective sleeve (2) and fixing the grounding lantern ring through glue, arranging a third installation groove (14) on the outer surface of the cable protective sleeve (2), coating the glue in the third installation groove (14) to install the grounding alloy metal block (15) in the third installation groove (14), and fixing two sides of the grounding alloy metal block (15) with the second shielding alloy net (8) and the grounding lantern ring (12) respectively;
and S4, finally, installing the cable on the ground through the ground pin (13) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044978.0A CN109801744B (en) | 2019-01-17 | 2019-01-17 | Anti-interference signal cable and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044978.0A CN109801744B (en) | 2019-01-17 | 2019-01-17 | Anti-interference signal cable and production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109801744A CN109801744A (en) | 2019-05-24 |
| CN109801744B true CN109801744B (en) | 2020-10-20 |
Family
ID=66559602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910044978.0A Active CN109801744B (en) | 2019-01-17 | 2019-01-17 | Anti-interference signal cable and production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109801744B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155999B (en) * | 2021-11-25 | 2023-12-22 | 昆明昆宝电线电缆制造有限公司 | Strong anti-interference cable for smart grid and preparation method |
-
2019
- 2019-01-17 CN CN201910044978.0A patent/CN109801744B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109801744A (en) | 2019-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201331940Y (en) | Anti-interference integrated reel cable | |
| CN109801744B (en) | Anti-interference signal cable and production method | |
| CN106782799B (en) | Wrinkle copper sheathing wrinkle steel bushing steel wire armoured ocean cable | |
| CN208189289U (en) | A kind of dual-purpose reinforced cable for digital communication of shielding of indoor and outdoor | |
| CN105938735A (en) | Outdoor category-5-enhanced non-shielding self-supporting type symmetrical data communication cable | |
| CN201984886U (en) | Compound type single core power cable | |
| CN201402678Y (en) | Lightning-proof optical cable | |
| CN102157239B (en) | Compound type single conductor power cable | |
| CN108922665A (en) | A kind of fire-retarded fiber composite cable | |
| CN208655271U (en) | A kind of flame-retardant pull tension long haul communication instrument signal cable | |
| CN210629065U (en) | Communication cable convenient to built-up connection | |
| CN212542024U (en) | Cable with uniformly distributed battery cells | |
| CN210349422U (en) | High-pressure submarine cable long-distance landing structure | |
| CN202976931U (en) | Mining-signal-combination flexible cable | |
| CN208126901U (en) | A kind of corrosion-resistant anti-fracture cable | |
| CN207381110U (en) | Aircraft test synthesis cable | |
| CN201514795U (en) | Anti-theft power cord for mobile base stations | |
| CN215643843U (en) | Multi-level absorption electromagnetic shielding cable | |
| CN201667224U (en) | Novel flame retardant high voltage frequency conversion cable | |
| CN110853824A (en) | Cable with uniformly distributed battery cells | |
| CN205428574U (en) | Variable frequency cable | |
| CN205264364U (en) | Insulating flexible cable of shielding is woven to copper wire | |
| CN214476492U (en) | Single-glass-coated corona-resistant composite film sintered copper flat wire | |
| CN210627933U (en) | Tinned wire and bulletproof wire combined copper stranded wire | |
| CN216287733U (en) | Anti-interference computer cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |