CN114360781A - Cable core protection device capable of reducing static electricity - Google Patents
Cable core protection device capable of reducing static electricity Download PDFInfo
- Publication number
- CN114360781A CN114360781A CN202111579812.2A CN202111579812A CN114360781A CN 114360781 A CN114360781 A CN 114360781A CN 202111579812 A CN202111579812 A CN 202111579812A CN 114360781 A CN114360781 A CN 114360781A
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- Prior art keywords
- cable core
- static electricity
- groups
- static
- shell
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0067—Devices for protecting against damage from electrostatic discharge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a cable core protection device for reducing static electricity generation, which comprises a cable core and a cable core static electricity external conduction protection device arranged on the cable core, wherein a static electricity collection ring is arranged in the cable core, the static electricity collection ring is composed of an outer sleeve, a sleeve and an inner pipe, the outer sleeve is sleeved on the outer side of the cable core, the sleeve is provided with a plurality of groups and is uniformly arranged in the outer sleeve, the plurality of groups of sleeve are connected with the inner pipe in the middle, the inner pipe is externally connected with an electrified wire, the tail end of the electrified wire is connected with a plug socket, the cable core static electricity external conduction protection device is of a multi-section structure and is composed of a plurality of groups of static electricity external conductors, each static electricity external conductor is composed of a shell, a plug connector, a static electricity external conductor, a pinch roller mechanism and a curling mechanism, the shell is sleeved on the outer side of the cable core, the plug connector is arranged in the shell, and the upper end of the plug socket is connected with the plug socket. The electrostatic external conduction protection device for the cable core adopts a multi-section structure, can perform efficient electrostatic external conduction treatment on each part of the cable, and improves the safety of the cable.
Description
Technical Field
The invention relates to the technical field of cable protection, in particular to a cable core protection device capable of reducing static electricity.
Background
The cable is an electric energy or signal transmission device, usually consists of several or several groups of wires, and the current is transmitted and processed by the cable core in the cable, and the cable mainly comprises a cable jacket and a cable core arranged in the cable jacket.
However, the existing cable core has the following problems in the use process: (1) static electricity is sometimes generated in the use process of the cable core, and the static electricity is not treated by a protection device, so that the stability of the cable in the current transmission process is easily influenced, and the current is unstable and lacks safety; (2) the existing mode of electrostatic treatment in the cable core mostly adopts the mode of arranging electrostatic external conduction equipment at the end part for treatment, and the treatment efficiency and effect are poor. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
The invention aims to provide a cable core protection device capable of reducing static electricity generation, and solves the technical problems that static electricity is sometimes generated in the using process of a cable core, the static electricity is not processed by a protection device, the stability of a cable in the current transmission process is easily influenced, the current is unstable, and the safety is not ensured.
In order to achieve the purpose, the invention provides the following technical scheme: a cable core protection device for reducing static electricity generation comprises a cable core and a cable core static electricity external conduction protection device arranged on the cable core, wherein a static electricity collection ring is arranged inside the cable core and consists of an outer sleeve, a sleeve and an inner pipe, the outer sleeve is sleeved outside the cable core, the sleeve is provided with a plurality of groups and is uniformly arranged inside the outer sleeve, the sleeve is connected with the inner pipe in the middle, the inner pipe is externally connected with an electrified wire, the tail end of the electrified wire is connected with a plug socket, the cable core static electricity external conduction protection device is of a multi-section structure and consists of a plurality of groups of static electricity external conductors, each static electricity external conductor consists of a shell, a plug connector, a static electricity external conductor, a pinch roller mechanism and a curling mechanism, the shell is sleeved outside the cable core, the plug connector is arranged inside the shell, and the upper end of the plug connector is connected with the plug socket, the plug is connected with the static outer conductor, the pressing wheel mechanism and the curling mechanism are located inside the shell, the static outer conductor sequentially passes through the pressing wheel mechanism and the curling mechanism, the tail end of the static outer conductor is connected with a grounding wire, and the end portion of the grounding wire is connected with the ground.
As a preferred embodiment of the present invention, the outer sleeve, the sleeve and the inner tube are made of one of copper material and aluminum material, the sleeve is composed of a plurality of sets of arc-shaped plates, and the inner ends of the plurality of sets of arc-shaped plates are respectively connected with the outer sleeve and the inner tube.
As a preferred embodiment of the present invention, the inner tube includes a metal outer tube and a conductive rod located inside the metal outer tube, a plurality of sets of support ribs are uniformly arranged between the metal outer tube and the conductive rod, the support ribs are in a triangular structure, and a tip portion of each support rib is connected to the conductive rod.
As a preferred embodiment of the present invention, the housing has a two-section structure and is respectively a first housing and a second housing, the top of the first housing is screwed with a limit bolt, two ends of the first housing are symmetrically provided with two sets of limit openings, the lower end of the limit bolt contacts with the cable core, and two sets of locking devices are symmetrically installed on two sides of the second housing.
As a preferred embodiment of the present invention, the locking device includes a V-shaped metal spring and two sets of protrusions fixed on the V-shaped metal spring, and the two sets of protrusions are abutted against the limiting opening.
As a preferred embodiment of the present invention, the pinch roller mechanism is composed of two sets of support rods and two sets of pinch rollers, the outer ends of the support rods are connected with the inner wall of the second housing, the inner ends of the support rods are rotatably connected with the pinch rollers, and the inner sides of the two sets of pinch rollers are in contact with the electrostatic outer conductor.
As a preferred embodiment of the present invention, the curling mechanism includes a side plate disposed in an inclined shape and a winding wheel rotatably mounted at a distal end of the side plate, the electrostatic outer lead is wound on the winding wheel, and the distal end is connected to the ground wire.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention designs a protection device specially used for conducting static electricity outside a cable core, the protection device is a multi-section structure and consists of a plurality of groups of static electricity external conductors, the plurality of groups of static electricity external conductors are matched with a static electricity collecting ring arranged inside the cable core, the static electricity generated in the cable can be collected, the static electricity is externally led into the static electricity external conductors through a circuit, the static electricity is led into a grounding wire through the static electricity external conductors, the static electricity can be conducted outside through the grounding wire connected with the ground, and therefore the purpose of conducting the static electricity outside the cable core is achieved, and the static electricity external conduction mode has better treatment efficiency and effect.
2. The cable core static that this scheme designed leads protector outward adopts the structure of multistage formula, can carry out high-efficient static to each part of cable and lead outward and handle, improves the security of cable.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an overall sectional structural view of the present invention;
FIG. 3 is a view of the construction of the bushing of the present invention;
FIG. 4 is a view of the inner tube structure of the present invention;
fig. 5 is a partial a structural view of the present invention.
In the figure, 1, a cable core; 2. a jacket; 3. a sleeve; 4. an inner tube; 5. electrifying the wire; 6. a socket; 7. an electrostatic external conductor; 8. a housing; 9. a plug-in connector; 10. an electrostatic outer lead; 11. a pinch roller mechanism; 12. a crimping mechanism; 13. a ground line; 14. an arc-shaped plate; 15. a metal outer tube; 16. a conductive rod; 17. supporting ribs; 18. a first shell; 19. a second shell; 20. a limit bolt; 21. a limiting port; 22. a V-shaped metal elastic sheet; 23. a bump; 24. a support bar; 25. a pinch roller; 26. a side plate; 27. and (7) winding the wheel.
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.
Example 1: referring to fig. 1-5, the present invention provides a technical solution: a cable core protection device for reducing static electricity generation comprises a cable core 1 and a cable core 1 static electricity external conduction protection device arranged on the cable core 1, wherein a static electricity collection ring is arranged inside the cable core 1 and consists of an outer sleeve 2, a sleeve 3 and an inner tube 4, the outer sleeve 2 is embedded outside the cable core 1, the sleeve 3 is provided with a plurality of groups and is uniformly arranged inside the outer sleeve 2, the plurality of groups of sleeve 3 are connected with the inner tube 4 in the middle, the inner tube 4 is externally connected with an electrified wire 5, the tail end of the electrified wire 5 is connected with a plug socket 6, the cable core 1 static electricity external conduction protection device is of a multi-section structure and consists of a plurality of groups of static electricity external conduction devices 7, each static electricity external conduction device 7 consists of a shell 8, a plug 9, a static electricity external conduction wire 10, a press wheel mechanism 11 and a curling mechanism 12, the shell 8 is embedded outside the cable core 1, the plug 9 is arranged inside the shell 8 and is connected with the plug socket 6 at the upper end, the plug 9 is connected with an electrostatic outer conductor 10, the pressing wheel mechanism 11 and the curling mechanism 12 are positioned in the shell 8, the electrostatic outer conductor 10 sequentially passes through the pressing wheel mechanism 11 and the curling mechanism 12, the tail end of the electrostatic outer conductor is connected with a grounding wire 13, and the end part of the grounding wire 13 is connected with the ground.
The outer sleeve 2, the sleeve 3 and the inner pipe 4 are made of copper materials or aluminum materials, the sleeve 3 is composed of a plurality of groups of arc-shaped plates 14, and the inner ends of the groups of arc-shaped plates 14 are respectively connected with the outer sleeve 2 and the inner pipe 4.
Example 2: as shown in fig. 3: the inner tube 4 includes metal outer tube 15 and is located the inside conducting rod 16 of metal outer tube 15, evenly is provided with a plurality of groups brace rod 17 between metal outer tube 15 and the conducting rod 16, and brace rod 17 is triangle-shaped structure and point portion and is connected with conducting rod 16, can collect the processing to the static in the cable core 1.
Example 3: as shown in fig. 2: the shell 8 is of a two-section structure and is respectively a shell I18 and a shell II 19, a limiting bolt 20 is fixed on the top of the shell I18 through threads, two limiting ports 21 are symmetrically formed in two ends of the limiting bolt 20, the lower end of the limiting bolt 20 is in contact with the cable core 1, and two groups of locking devices are symmetrically arranged on two sides of the shell II 19.
The locker comprises a V-shaped metal elastic sheet 22 and two groups of convex blocks 23 fixed on the V-shaped metal elastic sheet 22, the two groups of convex blocks 23 are abutted to the limiting openings 21, the convex blocks 23 are extruded through the V-shaped metal elastic sheet 22, and the first shell 18 and the second shell 19 can be connected by utilizing the convex blocks 23 to abut against the limiting openings 21.
Example 4: as shown in fig. 2: the pinch roller mechanism 11 is composed of two groups of supporting rods 24 and two groups of pinch rollers 25, the outer ends of the supporting rods 24 are connected with the inner wall of the second shell 19, the inner ends of the supporting rods are rotatably connected with the pinch rollers 25, the inner sides of the two groups of pinch rollers 25 are in contact with the electrostatic outer conductor 10, and the electrostatic outer conductor 10 can be pressed and guided through the two groups of pinch rollers 25.
Specifically, the curling mechanism 12 includes a side plate 26 disposed in an inclined manner and a winding wheel 27 rotatably mounted at the end of the side plate 26, the electrostatic outer lead 10 is wound on the winding wheel 27, and the end of the electrostatic outer lead is connected with the grounding wire 13, so that the redundant electrostatic outer lead 10 can be wound, and adjustment processing can be conveniently performed according to actual needs.
When in use: the invention designs a protection device specially used for conducting static electricity outside a cable core 1, the protection device for conducting static electricity outside the cable core 1 is of a multi-section structure and comprises a plurality of groups of static electricity external conductors 7, the groups of static electricity external conductors 7 are matched with static electricity collecting rings arranged inside the cable core 1 to collect the static electricity generated in the cable and externally guide the static electricity into the static electricity external conductors 7 through a circuit, the static electricity is guided into a grounding wire 13 through the static electricity external conductors 7, the static electricity can be externally conducted through the grounding wire 13 connected with the ground, and therefore the purpose of conducting static electricity outside the cable core 1 is achieved, and the static electricity external conduction mode has better processing efficiency and effect.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a reduce cable core protector that static produced which characterized in that: including cable core (1) and install cable core (1) static outer conductive protection device on cable core (1), the internally mounted of cable core (1) has static to collect the ring, static is collected the ring and is become by overcoat (2), sleeve pipe (3) and inner tube (4) group, overcoat (2) cover inlays in the outside of cable core (1), sleeve pipe (3) branch is equipped with the inside of a plurality of groups and evenly place overcoat (2) in, a plurality of groups sleeve pipe (3) are connected with inner tube (4) at middle part, inner tube (4) are external to have circular telegram line (5), the end-to-end connection of circular telegram line (5) has socket (6), cable core (1) static outer conductive protection device is the multistage formula structure and comprises a plurality of groups static outer conductor (7), static outer conductor (7) are by shell (8), bayonet joint (9), static outer conductor (10), Pressing wheel mechanism (11) and crimping mechanism (12) are constituteed, shell (8) cover inlays in the outside of cable core (1), bayonet joint (9) are installed in the inside of shell (8) and the upper end is connected with bayonet socket (6), bayonet joint (9) are connected with static outer conductor (10), pressing wheel mechanism (11), crimping mechanism (12) are located the inside of shell (8), static outer conductor (10) are in proper order through pressing wheel mechanism (11), crimping mechanism (12) and end-to-end connection has earth connection (13), the tip of earth connection (13) is connected with ground.
2. The cable core guard for reducing static electricity according to claim 1, wherein: overcoat (2), sleeve pipe (3) and inner tube (4) all adopt one kind of copper product, aluminium material, sleeve pipe (3) comprise a plurality of groups arc (14), a plurality of groups the inner of arc (14) is connected with overcoat (2), inner tube (4) respectively.
3. The cable core guard for reducing static electricity according to claim 2, wherein: the inner tube (4) comprises an outer metal tube (15) and a conducting rod (16) located inside the outer metal tube (15), a plurality of groups of supporting ribs (17) are evenly arranged between the outer metal tube (15) and the conducting rod (16), and the supporting ribs (17) are of triangular structures and the tip portions of the supporting ribs are connected with the conducting rod (16).
4. The cable core guard for reducing static electricity according to claim 1, wherein: the shell (8) is two segmentation structures and is casing (18) and casing two (19) respectively, the top thread tightening of casing (18) has spacing bolt (20) and both ends symmetry to seted up two sets of spacing mouthful (21), the lower extreme and the cable core (1) of spacing bolt (20) contact, two sets of lockers are installed to the bilateral symmetry of casing two (19).
5. The cable core guard for reducing static electricity according to claim 4, wherein: the locker comprises a V-shaped metal elastic sheet (22) and two groups of convex blocks (23) fixed on the V-shaped metal elastic sheet (22), and the two groups of convex blocks (23) are abutted to the limiting opening (21).
6. The cable core guard for reducing static electricity according to claim 1, wherein: the pressing wheel mechanism (11) is composed of two groups of supporting rods (24) and two groups of pressing wheels (25), the outer ends of the supporting rods (24) are connected with the inner wall of the second shell (19), the inner ends of the supporting rods are rotatably connected with the pressing wheels (25), and the inner sides of the two groups of pressing wheels (25) are in contact with the static outer conducting wire (10).
7. The cable core guard for reducing static electricity according to claim 6, wherein: the curling mechanism (12) comprises a side plate (26) and a winding wheel (27), wherein the side plate (26) is obliquely arranged, the winding wheel (27) is rotatably installed at the tail end of the side plate (26), the electrostatic outer lead (10) is wound on the winding wheel (27), and the tail end of the electrostatic outer lead is connected with the grounding wire (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579812.2A CN114360781B (en) | 2021-12-22 | 2021-12-22 | Cable core protection device capable of reducing static electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111579812.2A CN114360781B (en) | 2021-12-22 | 2021-12-22 | Cable core protection device capable of reducing static electricity |
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| Publication Number | Publication Date |
|---|---|
| CN114360781A true CN114360781A (en) | 2022-04-15 |
| CN114360781B CN114360781B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111579812.2A Active CN114360781B (en) | 2021-12-22 | 2021-12-22 | Cable core protection device capable of reducing static electricity |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH097429A (en) * | 1995-06-14 | 1997-01-10 | Sumitomo Wiring Syst Ltd | Cable having electrostatic-electromagnetic shielding function and its wiring method and electrostatic-electromagnetic shielding tape for cable |
| CN201689723U (en) * | 2010-03-26 | 2010-12-29 | 南车青岛四方机车车辆股份有限公司 | Composite shielding net for electric cable |
| CN204155632U (en) * | 2014-10-23 | 2015-02-11 | 成都必控科技股份有限公司 | A kind of electromagnetic shielding protection line-leading-out mechanism |
| CN109937459A (en) * | 2016-10-27 | 2019-06-25 | 川崎重工业株式会社 | The composite cable of Sefe antiexplosion, have Sefe antiexplosion composite cable signal processing apparatus, have Sefe antiexplosion composite cable teaching machine and have Sefe antiexplosion composite cable robot |
| CN209029890U (en) * | 2018-12-04 | 2019-06-25 | 浙江雷诺尔电气有限公司 | A kind of locking environment-friendly metal cable connector |
| CN210200343U (en) * | 2019-07-16 | 2020-03-27 | 杭州德福线缆有限公司 | Tensile type high flame-retardant fireproof cable |
| CN111128453A (en) * | 2019-12-13 | 2020-05-08 | 赖国辉 | Electric wire and cable with strong electrostatic shielding function |
| CN211529658U (en) * | 2020-03-03 | 2020-09-18 | 天津有容蒂康通讯技术有限公司 | Cable for electric control equipment |
| CN212010468U (en) * | 2020-05-21 | 2020-11-24 | 深圳市明谋科技有限公司 | Anti-shielding antistatic cable |
| CN112164494A (en) * | 2020-10-07 | 2021-01-01 | 陈以贺 | Copper core frame cable |
| CN212392032U (en) * | 2020-05-15 | 2021-01-22 | 沈阳添瀛通用设备有限公司 | Explosion-proof cable based on coal mine environment |
| CN212486016U (en) * | 2020-06-01 | 2021-02-05 | 王桥 | Cable winding and storing device special for power distribution cabinet |
| CN112466523A (en) * | 2020-11-27 | 2021-03-09 | 深圳特朗达照明股份有限公司 | Design of super electromagnetic compatibility and antistatic protection |
| CN214476519U (en) * | 2021-04-25 | 2021-10-22 | 安徽四通仪表电缆有限公司 | Cable for intrinsically safe circuit |
| CN214956077U (en) * | 2021-03-05 | 2021-11-30 | 重庆科宝电缆股份有限公司 | Anti-static and super-flexible special composite cable |
-
2021
- 2021-12-22 CN CN202111579812.2A patent/CN114360781B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH097429A (en) * | 1995-06-14 | 1997-01-10 | Sumitomo Wiring Syst Ltd | Cable having electrostatic-electromagnetic shielding function and its wiring method and electrostatic-electromagnetic shielding tape for cable |
| CN201689723U (en) * | 2010-03-26 | 2010-12-29 | 南车青岛四方机车车辆股份有限公司 | Composite shielding net for electric cable |
| CN204155632U (en) * | 2014-10-23 | 2015-02-11 | 成都必控科技股份有限公司 | A kind of electromagnetic shielding protection line-leading-out mechanism |
| CN109937459A (en) * | 2016-10-27 | 2019-06-25 | 川崎重工业株式会社 | The composite cable of Sefe antiexplosion, have Sefe antiexplosion composite cable signal processing apparatus, have Sefe antiexplosion composite cable teaching machine and have Sefe antiexplosion composite cable robot |
| CN209029890U (en) * | 2018-12-04 | 2019-06-25 | 浙江雷诺尔电气有限公司 | A kind of locking environment-friendly metal cable connector |
| CN210200343U (en) * | 2019-07-16 | 2020-03-27 | 杭州德福线缆有限公司 | Tensile type high flame-retardant fireproof cable |
| CN111128453A (en) * | 2019-12-13 | 2020-05-08 | 赖国辉 | Electric wire and cable with strong electrostatic shielding function |
| CN211529658U (en) * | 2020-03-03 | 2020-09-18 | 天津有容蒂康通讯技术有限公司 | Cable for electric control equipment |
| CN212392032U (en) * | 2020-05-15 | 2021-01-22 | 沈阳添瀛通用设备有限公司 | Explosion-proof cable based on coal mine environment |
| CN212010468U (en) * | 2020-05-21 | 2020-11-24 | 深圳市明谋科技有限公司 | Anti-shielding antistatic cable |
| CN212486016U (en) * | 2020-06-01 | 2021-02-05 | 王桥 | Cable winding and storing device special for power distribution cabinet |
| CN112164494A (en) * | 2020-10-07 | 2021-01-01 | 陈以贺 | Copper core frame cable |
| CN112466523A (en) * | 2020-11-27 | 2021-03-09 | 深圳特朗达照明股份有限公司 | Design of super electromagnetic compatibility and antistatic protection |
| CN214956077U (en) * | 2021-03-05 | 2021-11-30 | 重庆科宝电缆股份有限公司 | Anti-static and super-flexible special composite cable |
| CN214476519U (en) * | 2021-04-25 | 2021-10-22 | 安徽四通仪表电缆有限公司 | Cable for intrinsically safe circuit |
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| Publication number | Publication date |
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| CN114360781B (en) | 2023-03-14 |
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