CN219997945U - Electromagnetic pulse resistant comprehensive watertight cable - Google Patents
Electromagnetic pulse resistant comprehensive watertight cable Download PDFInfo
- Publication number
- CN219997945U CN219997945U CN202320966672.2U CN202320966672U CN219997945U CN 219997945 U CN219997945 U CN 219997945U CN 202320966672 U CN202320966672 U CN 202320966672U CN 219997945 U CN219997945 U CN 219997945U
- Authority
- CN
- China
- Prior art keywords
- layer
- wrapping
- signal
- integral
- electric
- 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
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 238000009954 braiding Methods 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 229910001182 Mo alloy Inorganic materials 0.000 claims abstract description 10
- 229920003225 polyurethane elastomer Polymers 0.000 claims abstract description 9
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims abstract description 7
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 134
- 239000004020 conductor Substances 0.000 claims description 27
- 239000013307 optical fiber Substances 0.000 claims description 17
- 239000011241 protective layer Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004760 aramid Substances 0.000 claims description 4
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- XIUFWXXRTPHHDQ-UHFFFAOYSA-N prop-1-ene;1,1,2,2-tetrafluoroethene Chemical group CC=C.FC(F)=C(F)F XIUFWXXRTPHHDQ-UHFFFAOYSA-N 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 2
- 229910052782 aluminium Inorganic materials 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 11
- 239000003292 glue Substances 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910001252 Pd alloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Abstract
The utility model discloses an electromagnetic pulse resistant comprehensive watertight cable, which comprises a comprehensive wire core, an integral wrapping tape layer, an integral braiding shielding layer, an integral inner sheath layer, an integral armor layer and an integral outer sheath layer from inside to outside, wherein the comprehensive wire core comprises an electric unit, a control unit, an optical unit and a signal unit, and is formed by twisting the electric unit, the control unit, the optical unit and the signal unit; the integral wrapping band layer comprises a non-woven fabric wrapping band layer and an aluminum-plastic composite wrapping band layer, the wrapping overlapping rate is not less than 25%, the integral braided shielding layer comprises a tinned copper wire braided layer and a nickel-iron alloy wire braided layer, the integral armor layer is formed by armor of a molybdenum alloy band, and the wrapping overlapping rate is not less than 25%; the whole outer sheath layer is made of polyurethane elastomer material in an extrusion mode. The electromagnetic pulse resistance device is characterized in that an aluminum-plastic composite belt, a tinned copper wire, a nickel-iron alloy wire and a molybdenum alloy belt are adopted to resist electromagnetic pulse. The field intensity is 60kV/m, and the shielding effectiveness is not lower than 95dB within the frequency of 150 MHz. The molybdenum alloy belt improves the mechanical strength of the comprehensive watertight cable. And each procedure is filled with water-blocking glue to prevent water from penetrating.
Description
Technical Field
The utility model relates to the field of watertight cables, in particular to an electromagnetic pulse resistant comprehensive watertight cable.
Background
Watertight cables are used as special wires and cables and are widely applied to high-end fields such as submarine power, oilfield exploration, aerospace and the like. However, with the rapid development of modern technology, in these special occasions, the cable needs to ensure long-term stable operation, and the performances of high-speed data transmission, interference resistance and the like become important factors. In extreme cases such as natural disasters and emergencies, electromagnetic interference sources such as electromagnetic pulse (EMP) may cause cable system faults, and huge losses are brought to society. It is therefore necessary to design a watertight composite cable with good anti-EMP properties to improve the safety and stability of the infrastructure.
Disclosure of Invention
The utility model aims to provide an electromagnetic pulse resistant comprehensive watertight cable, which aims to solve the problem that the traditional composite watertight cable is poor in shielding resistance.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the electromagnetic pulse resistant comprehensive watertight cable comprises a comprehensive cable core, an integral wrapping tape layer, an integral braiding shielding layer, an integral inner sheath layer, an integral armor layer and an integral outer sheath layer from inside to outside, wherein the comprehensive cable core comprises an electric unit, a control unit, an optical unit and a signal unit, and is formed by twisting the electric unit, the control unit, the optical unit and the signal unit; the integral wrapping band layer comprises a non-woven fabric wrapping band layer and an aluminum-plastic composite wrapping band layer, the wrapping overlapping rate is not less than 25%, the integral braided shielding layer comprises a tinned copper wire braided layer and a nickel-iron alloy wire braided layer, and the braiding density is not less than 85%; the integral armor layer is formed by armor a molybdenum alloy belt, and the lapping overlapping rate is not less than 25%; the integral outer sheath layer is made of polyurethane elastomer materials in an extrusion mode.
As a further improvement of the above technical scheme:
the electric unit comprises an electric conductor and an electric insulating layer, wherein the electric conductor is a plurality of normally stranded tinned round copper wires, the electric insulating layer is formed by extruding a poly-perfluoroethylene propylene material outside the electric conductor, a plurality of electric units and a control unit are stranded into a cable, an electric wrapping belt layer is arranged outside the cable, and an electric protection layer is extruded outside the electric wrapping belt layer.
The control unit comprises an internal electric unit, a control composite shielding layer and a control protective layer, wherein the internal electric unit comprises an internal conductor and an internal insulating layer, the control composite shielding layer sequentially comprises a tinned copper wire woven layer and an aluminum-plastic belt wrapping layer from inside to outside, and the control protective layer is formed by extruding polyurethane elastomer materials outside the aluminum-plastic belt wrapping layer.
The optical unit comprises a central reinforcing piece, optical fibers and an optical protection layer, wherein the optical fibers are externally extruded with the optical fiber protection layer, the optical fibers are arranged around the central reinforcing piece to form an optical cable body, a non-woven fabric belt is wrapped outside the optical cable body to form an optical wrapping layer, and the optical protection layer is formed by extruding polyurethane elastomer materials outside the optical wrapping layer.
The signal unit comprises a signal conductor, a signal insulating layer, a signal wrapping layer, a signal braiding shielding layer and a signal outer wrapping layer, wherein the signal insulating layer is formed by extruding a perfluoroethylene propylene material outside the signal conductor, the signal conductor and a water-blocking aramid rope after extruding the signal insulating layer are twisted into a cable, the signal wrapping layer is formed by wrapping an aluminum-plastic composite belt outside the cable, the signal braiding shielding layer is formed by braiding tinned copper wires outside the signal wrapping layer, and the signal outer wrapping layer is formed by wrapping a semiconductive nylon cloth belt outside the signal braiding shielding layer.
Compared with the prior art, the utility model has the beneficial effects that:
the electromagnetic pulse resistant comprehensive watertight cable adopts an aluminum-plastic composite belt, tinned copper wire braiding, nickel-iron alloy wire braiding and molybdenum alloy belt for quadruple electromagnetic pulse resistant protection, can effectively protect at the field intensity of 60kV/m and the frequency of 150MHz, and has the shielding effectiveness of not lower than 95dB.
The molybdenum alloy belt has the characteristics of high stability, long service life, good corrosion resistance and oxidation resistance and the like compared with other shielding materials except for resisting electromagnetic pulse. Meanwhile, the palladium alloy belt has higher hardness, and the mechanical strength of the comprehensive watertight cable can be improved.
And each procedure adopts water-blocking glue to fill gaps so as to prevent water from penetrating.
The optical unit and the signal unit are adopted for double-combination transmission, and the optical fiber transmission can be adopted to enhance the electromagnetic pulse resistance of the integrated cable, so that the integrated cable can be compatible with both high-frequency signals and low-frequency signals. Meanwhile, the integrated watertight cable also covers the electric unit and the control unit, can realize the electricity consumption, signal transmission and control transmission simultaneously, greatly reduces the application quantity of the watertight cable, integrates the functions, and is beneficial to the reduction of the cost and the increase of the safety and reliability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
Reference numerals: 1. a comprehensive wire core; 111. an electrical conductor; 112. an electrically insulating layer; 113. an electrical tape layer; 114. an electric protection layer; 121. an inner conductor; 122. an internal insulating layer; 123. a composite shielding layer; 124. controlling the protective layer; 124. controlling the protective layer; 131. a central reinforcement; 132. an optical fiber; 133. an optical fiber protective layer; 135. a light protection layer; 134. a light-wrapping layer; 141. a signal conductor; 142. a signal insulating layer; 143. a signal band layer; 144. a signal braiding shielding layer; 145. an outer signal layer; 146. a water-blocking aramid rope; 2. an integral tape layer; 3. integrally braiding a shielding layer; 4. an integral inner jacket layer; 5. an integral armor layer; 6. and an integral outer sheath layer.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
In the description of the present utility model, it should be noted that, directions or positions indicated by terms such as "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the electromagnetic pulse resistant integrated watertight cable of the present embodiment comprises an integrated core 1, an integrated tape layer 2, an integrated braided shielding layer 3, an integrated inner sheath layer 4, an integrated armor layer 5 and an integrated outer sheath layer 6 from inside to outside,
the comprehensive wire core 1 comprises an electric unit, a control unit, an optical unit and a signal unit, and is formed by twisting the electric unit, the control unit, the optical unit and the signal unit; the method comprises the following steps:
the electric unit comprises an electric conductor 111 and an electric insulating layer 112, wherein the electric conductor 111 is a plurality of normally stranded tinned round copper wires, the electric insulating layer 112 is formed by extruding a poly-perfluoroethylene propylene material outside the electric conductor 111, the thickness is determined according to the voltage class, and a hollow pump is used for vacuumizing in the extrusion process, so that the conductor and the insulating layer are more compact. And the electric units and the control units are twisted into a cable, and water blocking glue is coated in the twisting process to fill the whole twisting gap. The cable is externally provided with an electric band layer 113, and an electric protection layer 114 is extruded outside the electric band layer 113.
The control unit includes an internal electric unit including an internal conductor 121 and an internal insulating layer 122, a control composite shielding layer 123 and a control protective layer 124, the control composite shielding layer 123 includes a tinned copper wire braid (braid density is 85%) and an aluminum-plastic tape wrap (wrap overlap rate is 25%) in order from inside to outside, wherein the fixation is performed by filling a water-blocking glue. The control protective layer 124 is formed by extruding polyurethane elastomer material outside the wrapping layer of the aluminum-plastic belt.
The optical unit comprises a central reinforcing member 131, an optical fiber 132 and an optical protection layer 135, wherein the central reinforcing member 131 is made of FRP bars, an optical fiber protection layer 133 is extruded outside the optical fiber 132, the protection layer is made of nylon materials, the thickness is 0.2mm, and water-blocking glue is coated on the surface of the optical fiber 132 before extrusion. The optical fibers 132 are arranged around the central strength member 131 to form a cable body, which is surrounded by an expandable nonwoven tape to form a light wrap 134, and the light shield 135 is formed by extrusion of a polyurethane elastomeric material outside the light wrap 134.
The signal unit comprises a signal conductor 141, a signal insulating layer 142, a signal wrapping layer 143, a signal braiding shielding layer 144 and a signal outer wrapping layer 145, wherein the signal insulating layer 142 is formed by extruding a perfluoroethylene propylene material on the signal conductor 141, the signal conductor 141 after the signal insulating layer 142 is extruded and twisted with a water-blocking aramid rope 146 to form a cable, and water-blocking glue coating treatment is carried out in the twisting process to fill the whole twisting gap. The insulation adopts the mode cladding outside the conductor of extrusion, utilizes the cavity pump to carry out the evacuation processing simultaneously at the in-process of extrusion, makes conductor and insulating layer inseparabler. The signal tape layer 143 is an aluminum-plastic composite tape wrapped outside the cable (the wrapping overlapping rate is 25%), the signal braided shielding layer 144 is formed by braiding tinned copper wires outside the signal tape layer 143 (the braiding density is 85%), and the signal outer tape layer 145 is formed by wrapping a semiconductive nylon cloth tape outside the signal braided shielding layer 144, and the coating treatment is carried out.
Before the single products of the units are combined into a cable, longitudinal watertight tests are carried out, and the next working procedure can be carried out after the tests pass.
The integral tape layer 2 comprises a non-woven fabric tape layer and an aluminum-plastic composite tape layer, the lapping overlapping rate is not less than 25%, and water-blocking glue is coated in the process.
The whole braided shielding layer 3 comprises a tinned copper wire braided layer and a nickel-iron alloy wire braided layer, and the braiding density is 85%.
The integral armor layer 5 is formed by armor with molybdenum alloy, so that the electromagnetic pulse resistance of the comprehensive watertight cable under high frequency is enhanced, the mechanical strength of the comprehensive watertight cable is enhanced, the wrapping overlapping rate is 25%, and the gluing treatment is performed.
The integral outer sheath layer 6 is extruded by polyurethane elastomer material. The thickness depends on the outer diameter of the previous process.
The electromagnetic pulse resistant comprehensive watertight cable adopts an aluminum-plastic composite belt, tinned copper wire braiding, nickel-iron alloy wire braiding and molybdenum alloy belt quadruple electromagnetic pulse resistant protection, and can effectively protect at the frequency from MHZ to GHZ. Meanwhile, the molybdenum alloy belt can also improve the mechanical strength of the comprehensive watertight cable. And each procedure adopts water-blocking glue to fill gaps so as to prevent water from penetrating. The optical unit and the signal unit are combined, the high-frequency signal and the low-frequency signal are compatible, and the electromagnetic pulse resistance of the integrated cable can be enhanced by adopting optical fiber transmission. Meanwhile, the integrated watertight cable also covers the electric unit and the control unit, can realize the electricity consumption, signal transmission and control transmission simultaneously, greatly reduces the application quantity of the watertight cable, integrates the functions, and is beneficial to the reduction of the cost and the increase of the safety and reliability.
The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. An anti-electromagnetic pulse comprehensive watertight cable is characterized in that: the cable comprises a comprehensive cable core (1), an integral belting layer (2), an integral braiding shielding layer (3), an integral inner sheath layer (4), an integral armor layer (5) and an integral outer sheath layer (6) from inside to outside, wherein the comprehensive cable core (1) comprises an electric unit, a control unit, an optical unit and a signal unit, and is formed by twisting the electric unit, the control unit, the optical unit and the signal unit; the integral wrapping tape layer (2) comprises a non-woven fabric wrapping tape layer and an aluminum-plastic composite wrapping tape layer, the wrapping overlapping rate is not less than 25%, the integral braided shielding layer (3) comprises a tinned copper wire braided layer and a nickel-iron alloy wire braided layer, the integral armor layer (5) is formed by armor with molybdenum alloy, and the integral outer sheath layer (6) is formed by extruding polyurethane elastomer materials.
2. The electromagnetic pulse resistant integrated watertight cable of claim 1 wherein: the electric unit comprises an electric conductor (111) and an electric insulating layer (112), wherein the electric conductor (111) is a plurality of normally twisted tinned round copper wires, the electric insulating layer (112) is formed by extruding a poly-perfluoroethylene propylene material outside the electric conductor (111), a plurality of electric units and a control unit are twisted into a cable, an electric wrapping belt layer (113) is arranged outside the cable, and an electric protection layer (114) is extruded outside the electric wrapping belt layer (113).
3. The electromagnetic pulse resistant integrated watertight cable of claim 2 wherein: the control unit comprises an internal electric unit, a control composite shielding layer (123) and a control protective layer (124), wherein the internal electric unit comprises an internal conductor (121) and an internal insulating layer (122), the control composite shielding layer (123) sequentially comprises a tinned copper wire woven layer and an aluminum plastic belt wrapping layer from inside to outside, and the control protective layer (124) is formed by extruding polyurethane elastomer materials outside the aluminum plastic belt wrapping layer.
4. An anti-electromagnetic pulse integrated watertight cable according to claim 3 wherein: the optical unit comprises a central reinforcing piece (131), an optical fiber (132) and an optical protection layer (135), wherein the optical fiber (132) is externally extruded with the optical fiber protection layer (133), the optical fiber (132) is arranged around the central reinforcing piece (131) to form an optical cable body, a non-woven fabric belt is externally wrapped around the optical cable body to form an optical wrapping layer (134), and the optical protection layer (135) is formed by extruding polyurethane elastomer materials outside the optical wrapping layer (134).
5. The electromagnetic pulse resistant integrated watertight cable of claim 4 wherein: the signal unit comprises a signal conductor (141), a signal insulating layer (142), a signal wrapping layer (143), a signal braiding shielding layer (144) and a signal wrapping layer (145), wherein the signal insulating layer (142) is formed by extruding a perfluoroethylene propylene material outside the signal conductor (141), the signal conductor (141) after extruding the signal insulating layer (142) and a water-blocking aramid rope (146) are stranded into a cable, the signal wrapping layer (143) is formed by wrapping an aluminum-plastic composite belt outside the cable, the signal braiding shielding layer (144) is formed by braiding tinned copper wires outside the signal wrapping layer (143), and the signal wrapping layer (145) is formed by wrapping a semiconductive nylon cloth belt outside the signal braiding shielding layer (144).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966672.2U CN219997945U (en) | 2023-04-26 | 2023-04-26 | Electromagnetic pulse resistant comprehensive watertight cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320966672.2U CN219997945U (en) | 2023-04-26 | 2023-04-26 | Electromagnetic pulse resistant comprehensive watertight cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219997945U true CN219997945U (en) | 2023-11-10 |
Family
ID=88614794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320966672.2U Active CN219997945U (en) | 2023-04-26 | 2023-04-26 | Electromagnetic pulse resistant comprehensive watertight cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219997945U (en) |
-
2023
- 2023-04-26 CN CN202320966672.2U patent/CN219997945U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201331940Y (en) | Anti-interference integrated reel cable | |
| CN202771817U (en) | Medium-voltage anti-interference soft cable of coal cutter for coal mine | |
| CN213583206U (en) | Polyethylene insulation polyvinyl chloride sheath aluminum-plastic composite tape shielding compensation cable | |
| CN219997945U (en) | Electromagnetic pulse resistant comprehensive watertight cable | |
| CN202976908U (en) | Tensile, wear resistant, bend resistance, antiflaming reinforced mobile high flexible cable | |
| CN215577883U (en) | Optical fiber composite trailing cable | |
| CN215184480U (en) | Comprehensive radio frequency cable | |
| CN202976931U (en) | Mining-signal-combination flexible cable | |
| CN219916759U (en) | Signal watertight cable for tensile strength | |
| CN215577903U (en) | Special anti-interference communication cable for aerospace | |
| CN103762019A (en) | Anti-electromagnetic-interference flexible cable and manufacturing method thereof | |
| CN220189309U (en) | Tensile non-radiative safety cable that pulls | |
| CN220962830U (en) | Light watertight coaxial cable | |
| CN213752111U (en) | High-frequency signal and electric power distribution integrated transmission line for aviation industry | |
| CN219105810U (en) | Cable and comprehensive intelligent coal mining machine | |
| CN210692115U (en) | Cable for monitoring mobile radar | |
| CN214897793U (en) | Lightweight multifunctional power cable for shield machine | |
| CN209929043U (en) | Medium-voltage power cable with strong tensile strength | |
| CN215007589U (en) | Shielding control cable for satellite navigation switching value | |
| CN214253969U (en) | High-shielding efficient compact insulated cable | |
| CN214312753U (en) | Waterproof salt-tolerant light-duty composite cable for deep sea | |
| CN218782810U (en) | Novel high temperature resistant crooked resistant oily signal cable | |
| CN214753063U (en) | Compound towing cable for underwater photoelectric transmission system | |
| CN215118363U (en) | Shielding control flat cable with optical fiber | |
| CN216793379U (en) | Small-size communication cable for ships |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |