WO2022193755A1 - Emergency leakage coaxial cable - Google Patents
Emergency leakage coaxial cable Download PDFInfo
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- WO2022193755A1 WO2022193755A1 PCT/CN2021/138203 CN2021138203W WO2022193755A1 WO 2022193755 A1 WO2022193755 A1 WO 2022193755A1 CN 2021138203 W CN2021138203 W CN 2021138203W WO 2022193755 A1 WO2022193755 A1 WO 2022193755A1
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- insulating layer
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- 239000002184 metal Substances 0.000 claims abstract description 49
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims description 63
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 239000010432 diamond Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/203—Leaky coaxial lines
Definitions
- the invention relates to the technical field of radio frequency coaxial cables, in particular to a leaky coaxial cable for emergency use.
- Tunnels (mainly including highway tunnels, railway tunnels, subway tunnels, etc.) are important scenarios in the deployment of mobile communication networks. Due to the closed tunnel structure, they are distributed in strips along the line, and different tunnels have different shapes, structures, lateral dimensions (height, width), building materials, components, and proportions are also different, which will have different degrees of influence on the reflection and absorption of wireless signals. At the same time, the terrain in the tunnel is relatively complex, and the extreme terrain is very unfavorable for construction. The tunnel scene coverage has become Difficulties in mobile communication network coverage.
- the leaky coaxial cable can be laid along the wall in the tunnel and can be bent along with the tunnel to release the wireless signal evenly in the tunnel without being affected by the shape and bending of the tunnel. , slope and other factors, it is the best choice for wireless coverage in the current tunnel scene.
- the existing leaky coaxial cable is relatively bulky, the retraction and deployment are unchanged, and the construction is greatly affected by the terrain.
- the present invention provides a leaky coaxial cable for emergency use, which makes the entire cable light, easy to retract, and facilitates construction operations, and provides a practical leaky cable for 2G/3G/4G/5G systems product.
- a leaky coaxial cable for emergency use is characterized in that: it comprises an inner conductor, an insulating layer, an outer conductor and a sheath sequentially arranged from the center to the outer annular surface, and the outer periphery of the inner conductor is covered with the insulating layer,
- the outer conductor is formed by covering the outer ring surface of the insulating layer with a flat metal band, the outer circumference of the inner conductor is covered with the insulating layer, and the flat metal band is spirally wrapped around the insulating layer.
- the outer ring surface forms a spiral strip, and a spiral groove is formed between adjacent spiral strips. The spiral groove is uniformly spirally arranged along the outer circumference of the insulating layer, and the sheath is coated on the flat metal. the outer circumference of the belt.
- the flat metal strip has a single-layer structure, the flat metal strip is wrapped on the outer annular surface of the insulating layer to form a spiral strip, and an inner spiral strip is formed between adjacent spiral strips of the spiral strip. Layers of spiral grooves, the spiral groove structure with a single pitch P is formed after the spiral tape is wrapped on the outer surface of the insulating layer;
- the flat metal strip includes an inner-layer metal strip and an outer-layer metal strip.
- the inner-layer metal strip covers the outer annular surface of the insulating layer to form a first helical strip, and the adjacent first helical strips are adjacent to each other.
- An inner layer spiral groove is formed between the spiral bands, the outer layer metal band is wrapped around the equivalent outer ring surface formed by the inner layer metal band, and the spiral direction is opposite to that of the first spiral band, forming a second spiral
- Corresponding outer layer spiral grooves are formed between adjacent spiral bands of the second spiral band, holes and grooves are formed at the overlap of the inner layer spiral grooves and the outer layer spiral grooves, and the outer layer metal bands, After the inner layer metal strip is coated on the outer surface of the insulating layer, a structure of two holes and grooves in a single pitch P is formed;
- the two holes and grooves are specifically the holes and grooves arranged on both sides when the spiral belt makes one revolution;
- the shape of the hole slot is a square slot, a rhombus slot or a parallelogram slot in an orthographic projection state
- the insulating layer is specifically formed by sintering PTFE or physical foaming of polyethylene.
- the insulating layer of the leaky cable is made of sintered PTFE, which satisfies the transmission of radio frequency signals of 5-3800MHz. , so that it can have reasonable radiation performance for radio frequency signals in the frequency range of 450 ⁇ 3600MHz.
- a spiral groove or a combination of two sets of spiral grooves is formed to form a hole groove, which makes the whole cable light. , easy to retract, can facilitate construction operations, and provide a practical leaky cable product for 2G/3G/4G/5G systems.
- Fig. 1 is the sectional schematic diagram of the structural form of the single-layer flat metal strip of the present invention
- FIG. 2 is a schematic cross-sectional view of a structural form of the double-layer flat metal strip of the present invention
- FIG. 3 is a schematic diagram of the arrangement structure of the holes and grooves in the front view of FIG. 2 (only the holes and grooves on the front side are shown);
- Inner conductor 1 insulating layer 2, outer conductor 3, sheath 4, flat metal strip 5, inner metal strip 51, outer metal strip 52, spiral groove 6, inner spiral groove 61, outer spiral groove 62, hole slot 7.
- a leaky coaxial cable for emergency use see Figures 1 to 3: it includes an inner conductor 1, an insulating layer 2, an outer conductor 3 and a sheath 4 that are sequentially arranged from the center to the outer ring surface, and the outer circumference of the inner conductor 1 is covered There is an insulating layer 2, the insulating layer 2 is made of sintered PTFE, the outer conductor 1 is formed by covering the outer ring surface of the insulating layer 2 with a flat metal strip 5, and the outer circumference of the inner conductor 1 is covered with the insulating layer 2, and the flat metal The belt 5 is spirally wrapped on the outer ring surface of the insulating layer 2 to form a spiral belt, and a spiral groove 6 is formed between the adjacent spiral belts. 4 is wrapped around the outer circumference of the flat metal belt 5 .
- the single-layer flat metal strip 5 is wrapped on the outer annular surface of the insulating layer 2, and the flat metal strip 5 is spirally wrapped on the outer annular surface of the insulating layer 2 to form a spiral band, and between adjacent spiral bands A helical groove 6 is formed, and the helical groove 6 is the hole groove of the leaky cable, and its pitch is P.
- the flat metal strip includes an inner layer metal strip 51 and an outer layer metal strip 52.
- the inner layer metal strip 51 is wrapped on the outer annular surface of the insulating layer 2 to form a first spiral strip.
- the phase of the first spiral strip is
- the inner layer spiral groove 61 is formed between the adjacent spiral strips, the outer layer metal strip 52 is wrapped on the equivalent outer ring surface formed by the inner layer metal strip 51, and the spiral direction is opposite to that of the first spiral strip, forming a second spiral.
- Corresponding outer helical grooves 62 are formed between adjacent helical belts of the second helical belt, holes 7 are formed at the overlap of the inner helical grooves 61 and the outer helical grooves 62, and the outer metal belts 52 and the inner
- the layer metal strip 51 is coated on the outer surface of the insulating layer 2 to form a structure of two holes 7 in a single pitch P; the two holes 7 are specifically holes arranged on both sides when the spiral strip makes one revolution.
- Slot the shape of the hole slot 7 is a diamond-shaped slot in the orthographic projection state, and all the holes and slots have the same size.
- the shape of the hole slot 7 can be a square slot or a parallelogram slot in the orthographic projection state.
- the spiral grooves 6 in the first embodiment and the hole grooves 7 in the second embodiment are periodically arranged on the outer conductor with a pitch P, and the pitch P can be adjusted. radiation.
- the insulating layer of the leaky cable is made of sintered PTFE, which satisfies the transmission of 5-3800MHz radio frequency signals. It can have reasonable radiation performance for radio frequency signals in the 450-3600MHz frequency band.
- a spiral groove or a hole groove formed by a combination of two sets of spiral grooves is formed, which makes the whole cable light and easy to receive. It is convenient to put, and the relatively light design also provides convenience for construction in extreme environments.
- the excellent bending performance and bending performance of the cable make the cable reusable, which greatly increases the service life of the cable and facilitates the sharing of multiple systems in 5G communication. Co-construction and sharing of infrastructure construction.
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Abstract
The present invention provides an emergency leakage coaxial cable, which enables the whole cable to be lightweight and convenient to take up and pay off, can facilitate construction operation, and provides a practical and usable leakage cable product for a 2G/3G/4G/5G system. The cable comprises an inner conductor, an insulating layer, an outer conductor and a sheath, which are sequentially arranged from the center to an outer ring surface. The periphery of the inner conductor is coated with the insulating layer, the outer conductor is specifically formed by coating an outer ring surface of the insulating layer with a flat metal strip, the periphery of the inner conductor is coated with the insulating layer, the flat metal strip is spirally wrapped on the outer ring surface of the insulating layer to form spiral strips, spiral grooves are formed between adjacent spiral strips, the spiral grooves are uniformly and spirally distributed along the outer circumference of the insulating layer, and the sheath is wrapped on the outer circumference of the flat metal strip.
Description
本发明涉及射频同轴电缆的技术领域，具体为一种应急用漏泄同轴电缆。The invention relates to the technical field of radio frequency coaxial cables, in particular to a leaky coaxial cable for emergency use.
隧道(主要包括公路隧道、铁路隧道、地铁隧道等)是移动通信网络部署中的重要场景，由于隧道结构封闭，沿线呈带状分布，且不同的隧道具有不同的形状结构、横向尺寸(高度、宽度)，修建材料、成分、比例也不尽相同，这些都会对无线信号的反射、吸收产生不同程度的影响，同时隧道内地形较为复杂，极端地形非常不利于施工，隧道场景覆盖也就成为了移动通信网络覆盖的难点。漏泄同轴电缆作为一种具有传输线和天线双重功能的特殊同轴电缆，能在隧道内沿壁敷设且可随着隧道弯曲，在隧道内均匀地将无线信号释放出来，不受隧道形状、弯曲、坡度等因素的影响，是目前隧道场景无线覆盖的最佳选择。现有漏泄同轴电缆较为笨重、收放不变，且施工受地形影响较大。Tunnels (mainly including highway tunnels, railway tunnels, subway tunnels, etc.) are important scenarios in the deployment of mobile communication networks. Due to the closed tunnel structure, they are distributed in strips along the line, and different tunnels have different shapes, structures, lateral dimensions (height, width), building materials, components, and proportions are also different, which will have different degrees of influence on the reflection and absorption of wireless signals. At the same time, the terrain in the tunnel is relatively complex, and the extreme terrain is very unfavorable for construction. The tunnel scene coverage has become Difficulties in mobile communication network coverage. As a special coaxial cable with dual functions of transmission line and antenna, the leaky coaxial cable can be laid along the wall in the tunnel and can be bent along with the tunnel to release the wireless signal evenly in the tunnel without being affected by the shape and bending of the tunnel. , slope and other factors, it is the best choice for wireless coverage in the current tunnel scene. The existing leaky coaxial cable is relatively bulky, the retraction and deployment are unchanged, and the construction is greatly affected by the terrain.
发明内容SUMMARY OF THE INVENTION
针对上述问题，本发明提供了一种应急用漏泄同轴电缆，其使得整个电缆轻便，收放方便，可以方便施工作业，为2G/3G/4G/5G系统的提供一种切实可用的漏缆产品。In view of the above problems, the present invention provides a leaky coaxial cable for emergency use, which makes the entire cable light, easy to retract, and facilitates construction operations, and provides a practical leaky cable for 2G/3G/4G/5G systems product.
一种应急用漏泄同轴电缆，其特征在于：其包括自中心向外环面依次设置的内导体、绝缘层、外导体和护套,所述内导体的外周包覆有所述绝缘层，所述外导体具体为扁金属带包覆于所述绝缘层的外环面形成，所述内导体的 外周包覆有所述绝缘层，所述扁金属带螺旋包覆于所述绝缘层的外环面、形成螺旋带，且相邻的螺旋带之间形成螺旋槽，所述螺旋槽沿着所述绝缘层的外环周均匀螺旋排布，所述护套包覆于所述扁金属带的外环周。A leaky coaxial cable for emergency use is characterized in that: it comprises an inner conductor, an insulating layer, an outer conductor and a sheath sequentially arranged from the center to the outer annular surface, and the outer periphery of the inner conductor is covered with the insulating layer, The outer conductor is formed by covering the outer ring surface of the insulating layer with a flat metal band, the outer circumference of the inner conductor is covered with the insulating layer, and the flat metal band is spirally wrapped around the insulating layer. The outer ring surface forms a spiral strip, and a spiral groove is formed between adjacent spiral strips. The spiral groove is uniformly spirally arranged along the outer circumference of the insulating layer, and the sheath is coated on the flat metal. the outer circumference of the belt.
其进一步特征在于：所述扁金属带为单层结构，所述扁金属带包覆于所述绝缘层的外环面、形成螺旋带，所述螺旋带的相邻的螺旋带之间形成内层螺旋槽，所述螺旋带包覆于所述绝缘层的外表面后形成单个节距P的螺旋槽结构；It is further characterized in that: the flat metal strip has a single-layer structure, the flat metal strip is wrapped on the outer annular surface of the insulating layer to form a spiral strip, and an inner spiral strip is formed between adjacent spiral strips of the spiral strip. Layers of spiral grooves, the spiral groove structure with a single pitch P is formed after the spiral tape is wrapped on the outer surface of the insulating layer;
所述扁金属带包括有内层金属带、外层金属带，所述内层金属带包覆于所述绝缘层的外环面、形成第一螺旋带，所述第一螺旋带的相邻的螺旋带之间形成内层螺旋槽，所述外层金属带包覆于所述内层金属带所形成的等效外环面、且螺旋旋向和第一螺旋带相反、形成第二螺旋带，所述第二螺旋带的相邻的螺旋带之间形成有对应的外层螺旋槽，所述内层螺旋槽、外层螺旋槽的重合处形成孔槽，所述外层金属带、内层金属带包覆于所述绝缘层的外表面后形成单个节距P内两个孔槽的结构；The flat metal strip includes an inner-layer metal strip and an outer-layer metal strip. The inner-layer metal strip covers the outer annular surface of the insulating layer to form a first helical strip, and the adjacent first helical strips are adjacent to each other. An inner layer spiral groove is formed between the spiral bands, the outer layer metal band is wrapped around the equivalent outer ring surface formed by the inner layer metal band, and the spiral direction is opposite to that of the first spiral band, forming a second spiral Corresponding outer layer spiral grooves are formed between adjacent spiral bands of the second spiral band, holes and grooves are formed at the overlap of the inner layer spiral grooves and the outer layer spiral grooves, and the outer layer metal bands, After the inner layer metal strip is coated on the outer surface of the insulating layer, a structure of two holes and grooves in a single pitch P is formed;
两个孔槽具体为在螺旋带绕转一周的情况下的两侧布置的孔槽；The two holes and grooves are specifically the holes and grooves arranged on both sides when the spiral belt makes one revolution;
所述孔槽的形状为正投影状态下的正方形槽、菱形槽或平行四边形槽；The shape of the hole slot is a square slot, a rhombus slot or a parallelogram slot in an orthographic projection state;
所述绝缘层具体为PTFE烧结或聚乙烯物理发泡而成。The insulating layer is specifically formed by sintering PTFE or physical foaming of polyethylene.
采用上述技术方案后，漏缆的绝缘层为PTFE烧结而成，满足5～3800MHz射频信号传输，通过在绝缘层的外周绕包扁金属带，形成螺旋槽或两组螺旋槽组合形成的孔槽，使其能对450～3600MHz频段内的射频信号有较合理的辐射性能，通过在绝缘层的外周绕包扁金属带，形成螺旋槽或两组螺旋槽组合 形成的孔槽，使得整个电缆轻便，收放方便，可以方便施工作业，为2G/3G/4G/5G系统的提供一种切实可用的漏缆产品。After adopting the above technical solution, the insulating layer of the leaky cable is made of sintered PTFE, which satisfies the transmission of radio frequency signals of 5-3800MHz. , so that it can have reasonable radiation performance for radio frequency signals in the frequency range of 450 ~ 3600MHz. By wrapping flat metal tape around the outer circumference of the insulating layer, a spiral groove or a combination of two sets of spiral grooves is formed to form a hole groove, which makes the whole cable light. , easy to retract, can facilitate construction operations, and provide a practical leaky cable product for 2G/3G/4G/5G systems.
图1是本发明的单层扁金属带的结构形式的剖视示意图；Fig. 1 is the sectional schematic diagram of the structural form of the single-layer flat metal strip of the present invention;
图2是本发明的双层扁金属带的一种结构形式的剖视示意图；2 is a schematic cross-sectional view of a structural form of the double-layer flat metal strip of the present invention;
图3是图2的主视图孔槽的布置结构示意图(仅显示正面的孔槽)；FIG. 3 is a schematic diagram of the arrangement structure of the holes and grooves in the front view of FIG. 2 (only the holes and grooves on the front side are shown);
图中序号所对应的名称如下：The names corresponding to the serial numbers in the figure are as follows:
内导体1、绝缘层2、外导体3、护套4、扁金属带5、内层金属带51、外层金属带52、螺旋槽6、内层螺旋槽61、外层螺旋槽62、孔槽7。Inner conductor 1, insulating layer 2, outer conductor 3, sheath 4, flat metal strip 5, inner metal strip 51, outer metal strip 52, spiral groove 6, inner spiral groove 61, outer spiral groove 62, hole slot 7.
一种应急用漏泄同轴电缆、见图1-图3：其包括自中心向外环面依次设置的内导体1、绝缘层2、外导体3和护套4,内导体1的外周包覆有绝缘层2，绝缘层2具体为PTFE烧结而成，外导体1具体为扁金属带5包覆于绝缘层2的外环面形成，内导体1的外周包覆有绝缘层2，扁金属带5螺旋包覆于绝缘层2的外环面、形成螺旋带，且相邻的螺旋带之间形成螺旋槽6，螺旋槽6沿着绝缘层2的外环周均匀螺旋排布，护套4包覆于扁金属带5的外环周。A leaky coaxial cable for emergency use, see Figures 1 to 3: it includes an inner conductor 1, an insulating layer 2, an outer conductor 3 and a sheath 4 that are sequentially arranged from the center to the outer ring surface, and the outer circumference of the inner conductor 1 is covered There is an insulating layer 2, the insulating layer 2 is made of sintered PTFE, the outer conductor 1 is formed by covering the outer ring surface of the insulating layer 2 with a flat metal strip 5, and the outer circumference of the inner conductor 1 is covered with the insulating layer 2, and the flat metal The belt 5 is spirally wrapped on the outer ring surface of the insulating layer 2 to form a spiral belt, and a spiral groove 6 is formed between the adjacent spiral belts. 4 is wrapped around the outer circumference of the flat metal belt 5 .
具体实施例一：单层扁金属带5包覆于绝缘层2的外环面，扁金属带5螺旋包覆于绝缘层2的外环面、形成螺旋带，且相邻的螺旋带之间形成螺旋槽6，螺旋槽6即为漏缆的孔槽、其节距为P。Specific embodiment 1: the single-layer flat metal strip 5 is wrapped on the outer annular surface of the insulating layer 2, and the flat metal strip 5 is spirally wrapped on the outer annular surface of the insulating layer 2 to form a spiral band, and between adjacent spiral bands A helical groove 6 is formed, and the helical groove 6 is the hole groove of the leaky cable, and its pitch is P.
具体实施例二、扁金属带包括有内层金属带51、外层金属带52，内层金属带51包覆于绝缘层2的外环面、形成第一螺旋带，第一螺旋带的相邻的螺旋带之间形成内层螺旋槽61，外层金属带52包覆于内层金属带51所形成的 等效外环面、且螺旋旋向和第一螺旋带相反、形成第二螺旋带，第二螺旋带的相邻的螺旋带之间形成有对应的外层螺旋槽62，内层螺旋槽61、外层螺旋槽62的重合处形成孔槽7，外层金属带52、内层金属带51包覆于绝缘层2的外表面后形成单个节距P内两个孔槽7的结构；两个孔槽7具体为在螺旋带绕转一周的情况下的两侧布置的孔槽；孔槽7的形状为正投影状态下的菱形槽，所有的孔槽的大小一致。 Embodiment 2. The flat metal strip includes an inner layer metal strip 51 and an outer layer metal strip 52. The inner layer metal strip 51 is wrapped on the outer annular surface of the insulating layer 2 to form a first spiral strip. The phase of the first spiral strip is The inner layer spiral groove 61 is formed between the adjacent spiral strips, the outer layer metal strip 52 is wrapped on the equivalent outer ring surface formed by the inner layer metal strip 51, and the spiral direction is opposite to that of the first spiral strip, forming a second spiral. Corresponding outer helical grooves 62 are formed between adjacent helical belts of the second helical belt, holes 7 are formed at the overlap of the inner helical grooves 61 and the outer helical grooves 62, and the outer metal belts 52 and the inner The layer metal strip 51 is coated on the outer surface of the insulating layer 2 to form a structure of two holes 7 in a single pitch P; the two holes 7 are specifically holes arranged on both sides when the spiral strip makes one revolution. Slot; the shape of the hole slot 7 is a diamond-shaped slot in the orthographic projection state, and all the holes and slots have the same size.
具体实施例二中，孔槽7的形状在正投影状态下可以为正方形槽或平行四边形槽。In the second embodiment, the shape of the hole slot 7 can be a square slot or a parallelogram slot in the orthographic projection state.
具体实施例一中的螺旋槽6以及具体实施例二中的孔槽7均以节距P周期性排列在外导体上，节距P可调整，螺旋槽6或孔槽7在各个方向均可进行辐射。The spiral grooves 6 in the first embodiment and the hole grooves 7 in the second embodiment are periodically arranged on the outer conductor with a pitch P, and the pitch P can be adjusted. radiation.
其原理如下：漏缆的绝缘层为PTFE烧结而成，满足5～3800MHz射频信号传输，通过在绝缘层的外周绕包扁金属带，形成螺旋槽或两组螺旋槽组合形成的孔槽，使其能对450～3600MHz频段内的射频信号有较合理的辐射性能，通过在绝缘层的外周绕包扁金属带，形成螺旋槽或两组螺旋槽组合形成的孔槽，使得整个电缆轻便，收放方便，同时较为轻便的设计也为在极端环境施工提供了便利，线缆优秀的弯曲性能和弯曲性能，使得电缆可重复使用，大大增加了电缆的使用寿命，便于5G通信的多系统共用问题和基础设施建设的共建共享。The principle is as follows: the insulating layer of the leaky cable is made of sintered PTFE, which satisfies the transmission of 5-3800MHz radio frequency signals. It can have reasonable radiation performance for radio frequency signals in the 450-3600MHz frequency band. By wrapping a flat metal tape around the outer circumference of the insulating layer, a spiral groove or a hole groove formed by a combination of two sets of spiral grooves is formed, which makes the whole cable light and easy to receive. It is convenient to put, and the relatively light design also provides convenience for construction in extreme environments. The excellent bending performance and bending performance of the cable make the cable reusable, which greatly increases the service life of the cable and facilitates the sharing of multiple systems in 5G communication. Co-construction and sharing of infrastructure construction.
对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且 是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.
此外，应当理解，虽然本说明书按照实施方式加以描述，但并非每个实施方式仅包含一个独立的技术方案，说明书的这种叙述方式仅仅是为清楚起见，本领域技术人员应当将说明书作为一个整体，各实施例中的技术方案也可以经适当组合，形成本领域技术人员可以理解的其他实施方式。In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.
Claims (6)
- 一种应急用漏泄同轴电缆，其特征在于：其包括自中心向外环面依次设置的内导体、绝缘层、外导体和护套,所述内导体的外周包覆有所述绝缘层，所述外导体具体为扁金属带包覆于所述绝缘层的外环面形成，所述扁金属带螺旋包覆于所述绝缘层的外环面、形成螺旋带，且相邻的螺旋带之间形成螺旋槽，所述螺旋槽沿着所述绝缘层的外环周均匀螺旋排布，所述护套包覆于所述扁金属带的外环周。A leaky coaxial cable for emergency use is characterized in that: it comprises an inner conductor, an insulating layer, an outer conductor and a sheath sequentially arranged from the center to the outer annular surface, and the outer periphery of the inner conductor is covered with the insulating layer, The outer conductor is formed by covering the outer annular surface of the insulating layer with a flat metal strip, and the flat metal strip is spirally wrapped around the outer annular surface of the insulating layer to form a spiral band, and adjacent spiral bands are formed. A helical groove is formed therebetween, the helical grooves are uniformly spirally arranged along the outer circumference of the insulating layer, and the sheath is wrapped around the outer circumference of the flat metal strip.
- 如权利要求1所述的一种应急用漏泄同轴电缆，其特征在于：所述扁金属带为单层结构，所述扁金属带包覆于所述绝缘层的外环面、形成螺旋带，所述螺旋带的相邻的螺旋带之间形成内层螺旋槽，所述螺旋带包覆于所述绝缘层的外表面后形成单个节距P的螺旋槽结构。The leaky coaxial cable for emergency use according to claim 1, wherein the flat metal strip is of a single-layer structure, and the flat metal strip is wrapped around the outer ring surface of the insulating layer to form a spiral strip , an inner layer spiral groove is formed between adjacent spiral bands of the spiral band, and a spiral groove structure with a single pitch P is formed after the spiral band is wrapped on the outer surface of the insulating layer.
- 如权利要求1所述的一种应急用漏泄同轴电缆，其特征在于：所述扁金属带包括有内层金属带、外层金属带，所述内层金属带包覆于所述绝缘层的外环面、形成第一螺旋带，所述第一螺旋带的相邻的螺旋带之间形成内层螺旋槽，所述外层金属带包覆于所述内层金属带所形成的等效外环面、且螺旋旋向和第一螺旋带相反、形成第二螺旋带，所述第二螺旋带的相邻的螺旋带之间形成有对应的外层螺旋槽，所述内层螺旋槽、外层螺旋槽的重合处形成孔槽，所述外层金属带、内层金属带包覆于所述绝缘层的外表面后形成单个节距P内两个孔槽的结构。The leaky coaxial cable for emergency use according to claim 1, wherein the flat metal strip comprises an inner metal strip and an outer metal strip, and the inner metal strip covers the insulating layer The outer ring surface of the first helical belt forms a first helical belt, an inner layer spiral groove is formed between the adjacent helical belts of the first helical belt, and the outer layer metal belt is wrapped around the inner layer metal belt. The outer ring surface is effective, and the helix direction is opposite to that of the first helical band, forming a second helical band, and a corresponding outer helical groove is formed between adjacent helical bands of the second helical band, and the inner helical band is formed. A hole groove is formed at the overlap of the groove and the outer layer spiral groove, and the outer layer metal strip and the inner layer metal strip are coated on the outer surface of the insulating layer to form a structure of two holes and grooves within a single pitch P.
- 如权利要求3所述的一种应急用漏泄同轴电缆，其特征在于：两个孔槽具体为在螺旋带绕转一周的情况下的两侧布置的孔槽。The leaky coaxial cable for emergency use according to claim 3, characterized in that the two holes and grooves are specifically the holes and grooves arranged on both sides when the spiral belt makes one revolution.
- 如权利要求4所述的一种应急用漏泄同轴电缆，其特征在于：所述孔槽的形状为正投影状态下的正方形槽、菱形槽或平行四边形槽。The leaky coaxial cable for emergency use according to claim 4, wherein the shape of the hole and slot is a square slot, a diamond slot or a parallelogram slot in an orthographic projection state.
- 如权利要求2或3所述的一种应急用漏泄同轴电缆，其特征在于：所述绝缘层具体为PTFE烧结或聚乙烯物理发泡而成。The leaky coaxial cable for emergency use according to claim 2 or 3, wherein the insulating layer is specifically formed by sintering PTFE or physical foaming of polyethylene.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452017A (en) * | 1973-09-25 | 1976-10-06 | Times Wire Cable Co | Radiating coaxial cable |
| US20030122636A1 (en) * | 2001-12-28 | 2003-07-03 | Dibenedetto Arturo | Radio frequency coaxial cable and method for making same |
| CN102361149A (en) * | 2011-10-17 | 2012-02-22 | 江苏俊知技术有限公司 | Leakage coaxial cable with novel structure |
| CN202275907U (en) * | 2011-10-17 | 2012-06-13 | 江苏俊知技术有限公司 | Novel leakage coaxial cable with double-layer wrapped outer conductor |
| CN102760926A (en) * | 2011-04-25 | 2012-10-31 | 日立电线株式会社 | Electromagnetic wave radiation coaxial cable and communication system using the same |
| CN112803170A (en) * | 2021-03-17 | 2021-05-14 | 江苏亨鑫科技有限公司 | Emergency leakage coaxial cable |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2809528B1 (en) * | 2000-05-25 | 2002-07-19 | Cit Alcatel | FLEXIBLE COAXIAL CABLE AND MANUFACTURING METHOD THEREOF |
| CN102361145A (en) * | 2011-08-30 | 2012-02-22 | 珠海汉胜科技股份有限公司 | Leakage coaxial cable of lapped braided outer conductor and production technology thereof |
| CN102394329A (en) * | 2011-10-17 | 2012-03-28 | 江苏俊知技术有限公司 | Outer conductor leaky coaxial cable with novel double-layer winding |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1452017A (en) * | 1973-09-25 | 1976-10-06 | Times Wire Cable Co | Radiating coaxial cable |
| US20030122636A1 (en) * | 2001-12-28 | 2003-07-03 | Dibenedetto Arturo | Radio frequency coaxial cable and method for making same |
| CN102760926A (en) * | 2011-04-25 | 2012-10-31 | 日立电线株式会社 | Electromagnetic wave radiation coaxial cable and communication system using the same |
| CN102361149A (en) * | 2011-10-17 | 2012-02-22 | 江苏俊知技术有限公司 | Leakage coaxial cable with novel structure |
| CN202275907U (en) * | 2011-10-17 | 2012-06-13 | 江苏俊知技术有限公司 | Novel leakage coaxial cable with double-layer wrapped outer conductor |
| CN112803170A (en) * | 2021-03-17 | 2021-05-14 | 江苏亨鑫科技有限公司 | Emergency leakage coaxial cable |
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