WO2010037277A1 - 一种功分网络装置 - Google Patents

一种功分网络装置 Download PDF

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Publication number
WO2010037277A1
WO2010037277A1 PCT/CN2009/072753 CN2009072753W WO2010037277A1 WO 2010037277 A1 WO2010037277 A1 WO 2010037277A1 CN 2009072753 W CN2009072753 W CN 2009072753W WO 2010037277 A1 WO2010037277 A1 WO 2010037277A1
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WO
WIPO (PCT)
Prior art keywords
coupling
signal transmission
transmission line
line
projection
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PCT/CN2009/072753
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English (en)
French (fr)
Inventor
熊献智
徐邦昌
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2010037277A1 publication Critical patent/WO2010037277A1/zh
Priority to US13/073,189 priority Critical patent/US8570115B2/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00Coupling devices of the waveguide type
    • H01P5/12Coupling devices having more than two ports

Definitions

  • the present invention relates to the field of electronic communication technologies, and in particular, to a power division network device.
  • the power split network device is mainly used to perform equal power or unequal power splitting of the signals transmitted by the base station, and then the signals of these power points or unequal powers are transmitted to the array.
  • Antenna feeding the array antenna.
  • the power split network device with side-coupling structure can realize multi-channel equal-power or unequal-power output.
  • the main output ports are located on the same side of the signal transmission line. Connect a load resistor.
  • An embodiment of the present invention provides a power division network device that not only achieves strong coupling and weak coupling, but also has good coupling flatness.
  • a power dividing network device comprising: a shielding case, and a circuit board, wherein two opposite surface layers of the circuit board are respectively provided with a signal transmission line and a coupling line, wherein the signal transmission line and the coupling line are suspended
  • the coupling line includes a coupling region, and a load interface and an output signal interface connected at two ends of the coupling region, and the projection of the coupling region on a surface layer of the signal transmission line falls on the signal a transmission line on the transmission line, the projection area being in the signal transmission
  • the length in the longitudinal direction of the line is 1/4 wavelength.
  • An antenna feed system comprising: a power split network device, and an antenna array
  • the power split network device comprising: a shield case, and a circuit board, wherein two opposite surface layers of the circuit board are respectively provided with signals a transmission line and a coupling line, the signal transmission line and the coupling line are suspended in the shielding case
  • the coupling line includes a coupling area, and a load interface and an output signal interface connected at both ends of the coupling area, where the coupling area is a projection of a surface layer of the signal transmission line, falling on the signal transmission line, forming a projection area on the signal transmission line, the projection area having a length of 1/4 wavelength in a longitudinal direction of the signal transmission line
  • the load interface is connected to an isolation resistor, and the output signal interface is connected to the vibrator of the antenna array.
  • a communication device comprising: a base station, a power dividing network device, and an antenna array
  • the power dividing network device comprising: a shielding case, and a circuit board, wherein two opposite surface layers of the circuit board are respectively provided a signal transmission line and a coupling line, the signal transmission line and the coupling line are suspended in the shielding case, the coupling line includes a coupling area, and a load interface and an output signal interface connected at both ends of the coupling area, the coupling area a projection on a surface layer of the signal transmission line, falling on the signal transmission line, forming a projection area on the signal transmission line, the projection area having a length of 1/4 wavelength in a longitudinal direction of the signal transmission line
  • the base station is connected to the signal transmission line of the power division network device; the load interface of the power division network device is connected with an isolation resistor, and the output signal interface of the power division network device is connected to the antenna array
  • Another communication device includes a power division network device, the power division network device includes: a shielding case, and a circuit board, wherein two opposite surface layers of the circuit board are respectively provided with a signal transmission line and a coupling line
  • the signal transmission line and the coupling line are suspended in the shielding case
  • the coupling line includes a coupling region, and a load interface and an output signal interface connected at two ends of the coupling region
  • the coupling region is at the signal transmission line a projection of the surface layer on the signal transmission line, forming a projection area on the signal transmission line, the length of the projection area in the longitudinal direction of the signal transmission line is 1/4 wavelength
  • the load interface is connected Isolation resistance.
  • the wide-edge coupling is performed by means of the projection of the coupled line falling on the signal transmission line, so that the signal distribution and sampling in the signal transmission line can be realized, and the coupling flatness is good. And can achieve strong coupling and weak coupling.
  • FIG. 1 is a schematic diagram of a conventional power split network device
  • FIG. 2 is a schematic diagram of an embodiment of a power division network device according to the present invention.
  • FIG. 3 is a schematic diagram of another embodiment of a power division network device according to the present invention.
  • FIG. 4 is a schematic diagram showing a manner of setting a coupling line in an embodiment of a power division network device according to the present invention
  • FIG. 5 is a schematic diagram of an embodiment of a communication device of the present invention.
  • an embodiment of a power split network device of the present invention includes: a shield case 1 and a circuit board 2, wherein two opposite surface layers of the circuit board 2 are respectively disposed There is a signal transmission line 21 and a coupling line 22, and the signal transmission line 21 and the coupling line 22 of the circuit board 2 are suspended in the shield case 1, the coupling line 22 includes a coupling region 223, and is connected to the coupling region.
  • the length of the projection area 211 in the longitudinal direction of the signal transmission line 21 is 1/4 wavelength.
  • the wide-edge coupling is performed by means of the projection of the coupled line falling on the signal transmission line, which can realize the distribution and sampling of the signal transmitted in the signal transmission line, the coupling flatness is good, and the strong can be realized. Coupling and weak coupling. Further, in the embodiment of the present invention, the signal transmission line and the coupling line of the circuit board are suspended in the shielding case, the insertion loss is reduced, and the power capacity is large.
  • the coupling region 223 of the coupling line 22 may have a longitudinal shape, or a "U", or a circular shape, or an elliptical shape, or a polygonal shape.
  • the length of the projection area in the longitudinal direction of the signal transmission line is 1/4 wavelength, which means that the length of the projection area in the longitudinal direction of the signal transmission line may be 1. /4 wavelength, or within a certain error range, for example: 15%; as long as the coupling between the coupling line and the signal transmission line can be achieved.
  • the wavelength refers to a wavelength of a signal (for example, a high frequency signal) transmitted in the signal transmission line or the coupling line.
  • the signal transmission line may be a main signal line.
  • the circuit board may be a double-layer board or a multi-layer board, and the two opposite surface layers of the circuit board may be a copper layer or a conductive pattern layer, for example: a copper pattern layer, etc.
  • the signal transmission line or the coupling line may be disposed on the copper skin layer or the conductive pattern layer.
  • the shielding case may be a sealed case or a non-closed case, as long as it can function as a shield.
  • the shielding case may be made of a conductor material, such as a metal material (copper or aluminum, etc.) or a metal-containing conductor material.
  • the circuit board may be located in the shielding case or may extend outside the shielding case, and the shielding case may be provided with a through slot, and the circuit board passes the The channel extends beyond the shield housing.
  • the material of the circuit board may be a better material such as Rogers or Taconic, or a material with poor performance such as FR4. Material cost can be saved if poorly performing materials are used.
  • the coupling line 22 may be provided in one or more, and in the case where a plurality of coupling lines 22 are provided, the coupling line
  • the projection area 211 formed by 22 may be located on one side or both sides of the signal transmission line 21. If the projection areas 211 are respectively located on two sides of the signal transmission line 21, they may be arranged one by one and left and right (the two sides of the signal transmission line may be referred to as left and right sides), or one left and right. Right or three left, four right, etc. are unevenly staggered.
  • the projection areas 211 formed by the coupling lines 22 may be equally spaced. It can also be set without unequal spacing.
  • the distance between the adjacent coupling lines 22 can be adjusted according to the coupling degree requirement, so that the spacing between the projection areas 211 also changes, and the closer the coupling degree between adjacent projection areas 211 is, the adjacent projection Area 211 The farther the coupling between the two is.
  • the output signal interface is for outputting a signal
  • the signal line may be connected, and the signal line may extend from inside the shield case to outside the shield case.
  • the output signal interface can be coupled to an array antenna.
  • the coupling portion of the coupling line, the output signal interface, and the load interface may be formed into a "U” type, or a "V” type, or an "M” type or the like.
  • the projection area formed by the plurality of the coupling lines has a greater depth in the lateral direction of the signal transmission line, and the coupling degree is stronger; the smaller the depth, the weaker the coupling degree.
  • the position of the coupling line may be adjusted according to the degree of coupling to adjust the depth of the projection area formed by the coupling line in the lateral direction of the signal transmission line.
  • the depths of the plurality of projection areas in the lateral direction of the signal transmission line may be equal or may not be equal.
  • the lateral depth refers to the length occupied in the lateral direction of the signal transmission line.
  • any N-segment sampling or unequal sampling of the signals in the signal transmission line can be realized.
  • N is an integer greater than zero.
  • the load interface of the coupled line may be connected to an isolation resistor, and the isolation resistor may be a 50 ohm load, or a 15 ohm load, or a 20 ohm load, or a 60 ohm load. Load, or 80 ohm load, etc.
  • the isolation resistor may be a 50 ohm load, or a 15 ohm load, or a 20 ohm load, or a 60 ohm load. Load, or 80 ohm load, etc.
  • the isolation resistor may be a 50 ohm load, or a 15 ohm load, or a 20 ohm load, or a 60 ohm load. Load, or 80 ohm load, etc.
  • an embodiment of an antenna feeder system includes: a power split network device 8 and an antenna array 9, the power split network device 8 including: a housing 1 and a circuit board 2, wherein two opposite surface layers of the circuit board 2 are respectively provided with a signal transmission line 21 and a coupling line 22, and the signal transmission line 21 and the coupling line 22 of the circuit board 2 are suspended in the
  • the coupling line 22 includes a coupling region 223, and a load interface 222 and an output signal interface 221 connected to the two ends of the coupling region 223.
  • the coupling region 223 is at a surface layer of the signal transmission line 21.
  • the load interface 222 is connected There is an isolation resistor, and the output signal is connected
  • the port 221 is connected to the vibrator of the antenna array 9.
  • the present invention further provides an embodiment of a communication device, including a base station 7, a power division network device 8, and an antenna array 9.
  • the power division network device 8 includes a shielding case 1 and a circuit board 2, wherein two opposite surface layers of the circuit board 2 are respectively provided with a signal transmission line 21 and a coupling line 22, and the signal transmission line 21 and the coupling line 22 of the circuit board 2 are suspended at
  • the coupling line 22 includes a coupling region 223, and a load interface 222 and an output signal interface 221 connected at two ends of the coupling region 223.
  • the coupling region 223 is on the surface of the signal transmission line 21.
  • the length of the projection area 211 in the longitudinal direction of the signal transmission line is 1/4 wavelength; the base station 7 Connected to the signal transmission line 21 of the power dividing network device 8; the load interface 222 of the power dividing network device 8 is connected with an isolation resistor, and the output signal interface 221 of the power dividing network device 8 is Linear Ij9 bad connection.
  • an embodiment of a communication device of the present invention includes a power division network device, and the power division network device includes: a shielding case 1, and a circuit board 2, the circuit board The two opposite surface layers of the second surface are respectively provided with a signal transmission line 21 and a coupling line 22, and the signal transmission line 21 and the coupling line 22 of the circuit board 2 are suspended in the shielding case 1, and the coupling line 22 includes a coupling. a region 223, and a load interface 222 and an output signal interface 221 connected to the two ends of the coupling region 223.
  • the projection of the coupling region 223 on the surface layer of the signal transmission line 21 falls on the signal transmission line 21, A projection area 211 is formed on the signal transmission line 21, and the length of the projection area 211 in the longitudinal direction of the signal transmission line is 1/4 wavelength; and the load interface 222 is connected with an isolation resistor.
  • the communication device may be a server, or a gateway, or a terminal, or a signal transmitting station, or a wireless transmitting station or the like.

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Abstract

本发明实施例公开了一种功分网络装置,包括:屏蔽壳体,以及电路板,所述电路板的两个相对的表面层分别设置有信号传输线和耦合线,所述信号传输线和耦合线悬置在所述屏蔽壳体内,所述耦合线包括耦合区,以及连接在所述耦合区两端的负载接口和输出信号接口,所述耦合区在所述信号传输线所在表面层的投影,落在所述信号传输线上,在所述信号传输线上形成投影区,所述投影区在所述信号传输线的纵向上的长度为1/4波长。通过采用耦合线的投影落在信号传输线上的方式进行宽边耦合,可以实现对信号传输线中所传输信号的分配和取样,耦合平坦度较好,并且能实现强耦合和弱耦合。

Description

说明书 一种功分网络装置
[I] 本申请要求于 2008年 9月 28日提交中国专利局、 申请号为 200810216628.X、 发 明名称为"一种功分网络装置"的中国专利申请的优先权, 其全部内容通过引用结 合在本申请中。
[2] 技术领域
[3] 本发明涉及电子通信技术领域, 特别涉及一种功分网络装置。
[4] 发明背景
[5] 在无线基站系统中, 功分网络装置主要用来将基站传输过来的信号进行等功分 或不等功分, 然后, 这些等功分或不等功分后的信号被传输到阵列天线, 给阵 列天线进行馈电。
[6] 如图 1所示, 釆用侧边耦合结构的功分网络装置, 可以实现多路等功分或不等 功分输出, 其主要输出端口位于信号传输线的同一侧, 每一级均接一个负载电 阻。
[7] 发明人在实现本发明的过程中, 发现现有技术至少存在以下缺点:
[8] 一、 当耦合增强吋, 由于介质不均匀引起的奇偶模相速相差增大, 会导致方向 性急剧恶化, 故不能实现强耦合, 仅适合于应用在较弱耦合的情况;
[9] 二、 耦合平坦度差。
[10] 发明内容
[I I] 本发明实施例提供一种功分网络装置, 不仅可以实现强耦合和弱耦合, 而且耦 合平坦度很好。
[12] 本发明的实施例釆用如下技术方案:
[13] 一种功分网络装置, 包括: 屏蔽壳体, 以及电路板, 所述电路板的两个相对的 表面层分别设置有信号传输线和耦合线, 所述信号传输线和耦合线悬置在所述 屏蔽壳体内, 所述耦合线包括耦合区, 以及连接在所述耦合区两端的负载接口 和输出信号接口, 所述耦合区在所述信号传输线所在表面层的投影, 落在所述 信号传输线上, 在所述信号传输线上形成投影区, 所述投影区在所述信号传输 线的纵向上的长度为 1/4波长。
[14] 一种天馈系统, 包括功分网络装置, 以及天线阵列, 所述功分网络装置包括: 屏蔽壳体, 以及电路板, 所述电路板的两个相对的表面层分别设置有信号传输 线和耦合线, 所述信号传输线和耦合线悬置在所述屏蔽壳体内, 所述耦合线包 括耦合区, 以及连接在所述耦合区两端的负载接口和输出信号接口, 所述耦合 区在所述信号传输线所在表面层的投影, 落在所述信号传输线上, 在所述信号 传输线上形成投影区, 所述投影区在所述信号传输线的纵向上的长度为 1/4波长 , 所述负载接口连接有隔离电阻, 所述输出信号接口与天线阵列的振子连接。
[15] 一种通信设备, 包括基站, 功分网络装置, 以及天线阵列, 所述功分网络装置 包括: 屏蔽壳体, 以及电路板, 所述电路板的两个相对的表面层分别设置有信 号传输线和耦合线, 所述信号传输线和耦合线悬置在所述屏蔽壳体内, 所述耦 合线包括耦合区, 以及连接在所述耦合区两端的负载接口和输出信号接口, 所 述耦合区在所述信号传输线所在表面层的投影, 落在所述信号传输线上, 在所 述信号传输线上形成投影区, 所述投影区在所述信号传输线的纵向上的长度为 1/ 4波长, 所述基站与所述功分网络装置的信号传输线连接; 所述功分网络装置的 负载接口连接有隔离电阻, 所述功分网络装置的输出信号接口与天线阵列连接
[16] 另一种通信设备, 包括功分网络装置, 所述功分网络装置包括: 屏蔽壳体, 以 及电路板, 所述电路板的两个相对的表面层分别设置有信号传输线和耦合线, 所述信号传输线和耦合线悬置在所述屏蔽壳体内, 所述耦合线包括耦合区, 以 及连接在所述耦合区两端的负载接口和输出信号接口, 所述耦合区在所述信号 传输线所在表面层的投影, 落在所述信号传输线上, 在所述信号传输线上形成 投影区, 所述投影区在所述信号传输线的纵向上的长度为 1/4波长, 所述负载接 口连接有隔离电阻。
[17] 上述技术方案中具有如下的优点:
[18] 在本发明的实施例中, 通过釆用耦合线的投影落在信号传输线上的方式进行宽 边耦合, 可以实现对信号传输线中所传输信号的分配和取样, 耦合平坦度较好 , 并且能实现强耦合和弱耦合。 [19] 附图简要说明
[20] 为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对实施例或 现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的 附图仅仅是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创 造性劳动性的前提下, 还可以根据这些附图获得其他的附图。
[21] 图 1为现有的功分网络装置的示意图;
[22] 图 2为本发明功分网络装置的一种实施例的示意图;
[23] 图 3为本发明功分网络装置的另一种实施例的示意图;
[24] 图 4为本发明功分网络装置的实施例中的耦合线的设置方式的示意图;
[25] 图 5为本发明通信设备的实施例的示意图。
[26] 实施本发明的方式
[27] 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是全部 的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有作出创造性劳 动前提下所获得的所有其他实施例, 都属于本发明保护的范围。
[28] 如图 2及图 3所示, 本发明一种功分网络装置的实施例, 包括: 屏蔽壳体 1, 以 及电路板 2, 所述电路板 2的两个相对的表面层分别设置有信号传输线 21和耦合 线 22, 所述电路板 2的信号传输线 21和耦合线 22悬置在所述屏蔽壳体 1内, 所述 耦合线 22包括耦合区 223, 以及连接在所述耦合区 223两端的负载接口 222和输出 信号接口 221, 所述耦合区 223在所述信号传输线 21所在表面层的投影, 落在所 述信号传输线 21上, 在所述信号传输线 21上形成投影区 211, 所述投影区 211在 所述信号传输线 21的纵向上的长度为 1/4波长。
[29] 上述实施例中, 釆用耦合线的投影落在信号传输线上的方式进行宽边耦合, 可 以实现对信号传输线中所传输信号的分配和取样, 耦合平坦度较好, 并且能实 现强耦合和弱耦合。 进一步地, 在本发明的实施例中, 将电路板的信号传输线 和耦合线悬置在屏蔽壳体中, 减小了插损, 功率容量较大。
[30] 如图 3所示, 本发明的实施例中, 耦合线 22的耦合区 223的形状可以为纵长形, 或者" U", 或者圆形, 或者椭圆形, 或者多边形等。 [31] 在本发明的实施例中, 所述投影区在所述信号传输线的纵向上的长度为 1/4波 长是指: 所述投影区在所述信号传输线的纵向上的长度可以为 1/4波长, 或者在 一定的误差范围内变化, 例如: 15% ; 只要能实现耦合线与信号传输线的耦合即 可。 其中, 所述波长是指所述信号传输线或耦合线中所传输的信号 (例如: 高 频信号) 的波长。
[32] 在本发明的实施例中, 所述信号传输线可以为主信号线。
[33] 在本发明的实施例中, 所述电路板可以为双层板或多层板, 所述电路板的两个 相对表面层可以为铜皮层或者导电图形层, 例如: 铜图形层等, 所述信号传输 线或者耦合线可以设置在所述铜皮层或者导电图形层上。
[34] 在本发明的实施例中, 所述屏蔽壳体, 可以为密闭壳体或者非密闭的壳体, 只 要能起到屏蔽作用即可。 所述屏蔽壳体可以由导体材质制成, 例如: 金属材质 (铜或铝等) 或者含有金属的导体材质等。
[35] 在本发明的实施例中, 所述电路板可以全部位于所述屏蔽壳体内, 也可以延伸 到所述屏蔽壳体外, 所述屏蔽壳体上可以开设通槽, 电路板通过所述通槽延伸 到所述屏蔽壳体外。
[36] 在本发明的实施例中, 所述电路板的材质可以为 Rogers (罗杰斯) 、 Taconic ( 泰克尼克) 等性能较佳的材质, 也可以为 FR4等性能较差的材质。 如果釆用性能 较差的材质, 可以节省材料成本。
[37] 在本发明的实施例中, 参见图 3或图 4,
所述耦合线 22可以设置 1个或多个, 在设有多个耦合线 22的情况下, 所述耦合线
22形成的所述投影区 211, 可以位于所述信号传输线 21的一侧或两侧。 如果所述 投影区 211分别位于所述信号传输线 21的两侧, 可以一左一右 (可以将信号传输 线的两侧, 称为左侧和右侧) 的均匀交错设置, 也可以一个左两个右或者三个 左四个右等等不均匀交错设置。
[38] 参见图 3或图 4, 在本发明的实施例中, 在设有多个耦合线 22的情况下, 所述耦 合线 22形成的所述投影区 211之间可以为等间距设置, 也可以不等间距设置。 可 以根据耦合度要求对相邻耦合线 22之间的距离调整, 这样会使得所述投影区 211 之间的间距也发生变化, 相邻投影区 211之间越近耦合度越强, 相邻投影区 211 之间越远耦合度越小。
[39] 在本发明的实施例中, 所述输出信号接口用于输出信号, 可以连接信号线, 所 述信号线可以从所述屏蔽壳体内延伸至屏蔽壳体外。 另外, 所述输出信号接口 可以连接阵列天线。
[40] 在本发明的实施例中, 所述耦合线的耦合部, 输出信号接口以及负载接口可以 组成" U"型, 或者" V"型, 或者" M"型等等形状。
[41] 在本发明的实施例中, 多个所述耦合线形成的投影区, 在信号传输线横向的深 度越大, 耦合度越强; 深度越小, 耦合度越弱。 可以根据耦合度, 分别对所述 耦合线的位置进行调整, 以调整所述耦合线形成的投影区在所述信号传输线横 向的深度。 其中, 多个投影区在信号传输线横向的深度可以相等, 也可以不等 。 其中, 所述横向的深度是指在信号传输线的横向上所占的长度。
[42] 在本发明的实施例中, 通过调节多个所述耦合线形成的投影区在信号传输线横 向的深度, 可以实现对信号传输线中的信号的任意 N等分取样或者不等分取样, 其中, N为大于 0的整数。
[43] 在本发明的实施例中, 所述耦合线的负载接口可以连接隔离电阻, 所述隔离电 阻可以为 50欧姆的负载, 或者 15欧姆的负载, 或者 20欧姆的负载, 或者 60欧姆 的负载, 或者 80欧姆的负载等等。 负载接口连接隔离电阻后, 可以提高各相邻 输出信号接口之间的隔离度, 当输出信号端口的相位发生变化吋, 不会干扰别 的输出信号接口的正常工作。 进一步地, 信号传输线与单个耦合线组成一级耦 合器, 负载接口连接隔离电阻后, 可以提高单级耦合器的方向性。
[44] 如图 2, 图 3及图 5所示, 本发明一种天馈系统的实施例, 包括: 功分网络装置 8 , 以及天线阵列 9, 所述功分网络装置 8, 包括: 屏蔽壳体 1, 以及电路板 2, 所 述电路板 2的两个相对的表面层分别设置有信号传输线 21和耦合线 22, 所述电路 板 2的信号传输线 21和耦合线 22悬置在所述屏蔽壳体 1内, 所述耦合线 22包括耦 合区 223, 以及连接在所述耦合区 223两端的负载接口 222和输出信号接口 221, 所述耦合区 223在所述信号传输线 21所在表面层的投影, 落在所述信号传输线 21 上, 在所述信号传输线 21上形成投影区 211, 所述投影区 211在所述信号传输线 的纵向上的长度为 1/4波长; 所述负载接口 222连接有隔离电阻, 所述输出信号接 口 221与天线阵列 9的振子连接。
[45] 如图 2, 图 3及图 5所示, 本发明还提供一种通信设备的实施例, 包括基站 7, 功 分网络装置 8, 以及天线阵列 9, 所述功分网络装置 8包括: 屏蔽壳体 1, 以及电 路板 2, 所述电路板 2的两个相对的表面层分别设置有信号传输线 21和耦合线 22 , 所述电路板 2的信号传输线 21和耦合线 22悬置在所述屏蔽壳体 1内, 所述耦合 线 22包括耦合区 223, 以及连接在所述耦合区 223两端的负载接口 222和输出信号 接口 221, 所述耦合区 223在所述信号传输线 21所在表面层的投影, 落在所述信 号传输线 21上, 在所述信号传输线 21上形成投影区 211, 所述投影区 211在所述 信号传输线的纵向上的长度为 1/4波长; 所述基站 7与所述功分网络装置 8的信号 传输线 21连接; 所述功分网络装置 8的负载接口 222连接有隔离电阻, 所述功分 网络装置 8的输出信号接口 221与天线阵歹 Ij9连接。
[46] 如图 2及图 3所示, 本发明一种通信设备的实施例, 包括功分网络装置, 所述功 分网络装置包括: 屏蔽壳体 1, 以及电路板 2, 所述电路板 2的两个相对的表面层 分别设置有信号传输线 21和耦合线 22, 所述电路板 2的信号传输线 21和耦合线 22 悬置在所述屏蔽壳体 1内, 所述耦合线 22包括耦合区 223, 以及连接在所述耦合 区 223两端的负载接口 222和输出信号接口 221, 所述耦合区 223在所述信号传输 线 21所在表面层的投影, 落在所述信号传输线 21上, 在所述信号传输线 21上形 成投影区 211, 所述投影区 211在所述信号传输线的纵向上的长度为 1/4波长; 所 述负载接口 222连接有隔离电阻。
[47] 所述通信设备可以为服务器, 或者网关, 或者终端, 或者信号发射台, 或者无 线发射台等等。
[48] 以上所述仅为本发明的几个实施例, 本领域的技术人员依据申请文件公开的可 以对本发明进行各种改动或变型而不脱离本发明的精神和范围。

Claims

权利要求书
[1] 一种功分网络装置, 其特征在于, 包括: 屏蔽壳体, 以及电路板, 所述电 路板的两个相对的表面层分别设置有信号传输线和耦合线, 所述信号传输 线和耦合线悬置在所述屏蔽壳体内, 所述耦合线包括耦合区, 以及连接在 所述耦合区两端的负载接口和输出信号接口, 所述耦合区在所述信号传输 线所在表面层的投影, 落在所述信号传输线上, 在所述信号传输线上形成 投影区, 所述投影区在所述信号传输线的纵向上的长度为 1/4波长。
[2] 根据权利要求 1所述的功分网络装置, 其特征在于, 所述电路板全部位于所 述屏蔽壳体内, 或者延伸到所述屏蔽壳体外。
[3] 根据权利要求 1所述的功分网络装置, 其特征在于, 所述耦合线为多个, 所 述耦合线形成的多个所述投影区, 分别位于所述信号传输线的一侧或两侧
[4] 根据权利要求 1所述的功分网络装置, 其特征在于, 所述耦合线为多个, 所 述耦合线形成的多个所述投影区分别位于信号传输线的两侧; 所述投影区在所述信号传输线的两侧均匀交错设置或者不均匀交错设置; 或者
所述投影区之间为等间距设置或者不等间距设置; 或者
所述各投影区在所述信号传输线横向的深度相等或不等。
[5] 根据权利要求 1所述的功分网络装置, 其特征在于, 所述耦合线的负载接口 连接有隔离电阻。
[6] 一种天馈系统, 其特征在于, 包括功分网络装置, 以及天线阵列, 所述功 分网络装置包括: 屏蔽壳体, 以及电路板, 所述电路板的两个相对的表面 层分别设置有信号传输线和耦合线, 所述信号传输线和耦合线悬置在所述 屏蔽壳体内, 所述耦合线包括耦合区, 以及连接在所述耦合区两端的负载 接口和输出信号接口, 所述耦合区在所述信号传输线所在表面层的投影, 落在所述信号传输线上, 在所述信号传输线上形成投影区, 所述投影区在 所述信号传输线的纵向上的长度为 1/4波长, 所述负载接口连接有隔离电阻 , 所述输出信号接口与天线阵列的振子连接。
[7] 根据权利要求 6所述的天馈系统, 其特征在于, 所述耦合线为多个, 所述耦 合线形成的多个所述投影区, 分别位于所述信号传输线的一侧或两侧。
[8] 根据权利要求 6所述的天馈系统, 其特征在于, 所述耦合线为多个, 所述耦 合线形成的多个所述投影区分别位于所述信号传输线的两侧; 所述投影区在所述信号传输线的两侧均匀交错设置或者不均匀交错设置; 或者
所述投影区之间为等间距设置或者不等间距设置; 或者
所述各投影区, 在所述信号传输线横向的深度相等或不等。
[9] 一种通信设备, 其特征在于, 包括基站, 功分网络装置, 以及天线阵列, 所述功分网络装置包括: 屏蔽壳体, 以及电路板, 所述电路板的两个相对 的表面层分别设置有信号传输线和耦合线, 所述信号传输线和耦合线悬置 在所述屏蔽壳体内, 所述耦合线包括耦合区, 以及连接在所述耦合区两端 的负载接口和输出信号接口, 所述耦合区在所述信号传输线所在表面层的 投影, 落在所述信号传输线上, 在所述信号传输线上形成投影区, 所述投 影区在所述信号传输线的纵向上的长度为 1/4波长, 所述基站与所述功分网 络装置的信号传输线连接; 所述功分网络装置的负载接口连接有隔离电阻 , 所述功分网络装置的输出信号接口与天线阵列连接。
[10] 根据权利要求 9所述的通信设备, 其特征在于, 所述耦合线为多个, 所述耦 合线形成的多个所述投影区, 分别位于所述信号传输线的一侧或两侧。
[11] 根据权利要求 9所述的通信设备, 其特征在于, 所述耦合线为多个, 所述耦 合线形成的多个所述投影区, 分别位于所述信号传输线的两侧; 所述投影区在所述信号传输线的两侧均匀交错设置或者不均匀交错设置; 或者
所述投影区之间为等间距设置或者不等间距设置; 或者
所述各投影区, 在所述信号传输线横向的深度相等或不等。
[12] 一种通信设备, 其特征在于, 包括功分网络装置, 所述功分网络装置包括
: 屏蔽壳体, 以及电路板, 所述电路板的两个相对的表面层分别设置有信 号传输线和耦合线, 所述信号传输线和耦合线悬置在所述屏蔽壳体内, 所 述耦合线包括耦合区, 以及连接在所述耦合区两端的负载接口和输出信号 接口, 所述耦合区在所述信号传输线所在表面层的投影, 落在所述信号传 输线上, 在所述信号传输线上形成投影区, 所述投影区在所述信号传输线 的纵向上的长度为 1/4波长, 所述负载接口连接有隔离电阻。
[13] 根据权利要求 12所述的通信设备, 其特征在于, 所述耦合线为多个, 所述 耦合线形成的多个所述投影区, 分别位于所述信号传输线的一侧或两侧。
[14] 根据权利要求 12所述的通信设备, 其特征在于, 所述耦合线为多个, 所述 耦合线形成的多个所述投影区, 分别位于信号传输线的两侧; 所述投影区在所述信号传输线的两侧均匀交错设置或者不均匀交错设置; 或者
所述投影区之间为等间距设置或者不等间距设置; 或者
所述各投影区在所述信号传输线横向的深度相等或不等。
PCT/CN2009/072753 2008-09-28 2009-07-14 一种功分网络装置 WO2010037277A1 (zh)

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