WO2018036150A1 - 设有隔离杆的变电站局部放电信号检测系统 - Google Patents

设有隔离杆的变电站局部放电信号检测系统 Download PDF

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Publication number
WO2018036150A1
WO2018036150A1 PCT/CN2017/077957 CN2017077957W WO2018036150A1 WO 2018036150 A1 WO2018036150 A1 WO 2018036150A1 CN 2017077957 W CN2017077957 W CN 2017077957W WO 2018036150 A1 WO2018036150 A1 WO 2018036150A1
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Prior art keywords
radiating
microstrip
shaped
arm
partial discharge
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PCT/CN2017/077957
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English (en)
French (fr)
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谢广鹏
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谢广鹏
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Publication of WO2018036150A1 publication Critical patent/WO2018036150A1/zh

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith

Definitions

  • the present invention relates to a substation partial discharge signal detecting system provided with an isolation bar.
  • insulation fault is one of the main faults in the operation of power equipment.
  • a power equipment Before an insulation fault occurs in a power equipment, there is generally a gradually developed partial discharge process, which eventually leads to insulation breakdown. If partial discharge monitoring and diagnosis can be performed on the running equipment in this process, the partial discharge signal can be found in time, and the defect can be processed in advance to effectively avoid the occurrence of insulation breakdown failure.
  • the positioning of the partial discharge position also helps to develop a more targeted maintenance treatment plan, reducing power outage time and improving maintenance efficiency. Therefore, many researchers at home and abroad have studied the monitoring and localization of partial discharge of electrical equipment.
  • 2011101675994 discloses a "on-line monitoring and localization method for partial discharge signals of a substation", which uses an omnidirectional antenna to receive signals, thereby calculating positional information of partial discharges.
  • the antenna needs to have better emission performance, such as its omnidirectionality and gain, and the ratio of front to back. Requires better electrical performance.
  • a substation partial discharge signal detecting system provided with an isolation bar, comprising: a multi-channel data acquisition unit, a data processing system, and an antenna array;
  • the multi-channel data acquisition unit is configured to acquire a partial discharge signal received by the antenna array;
  • the antenna array includes a plurality of microstrip antennas, each of the microstrip antennas includes an elliptical dielectric plate, and the front side of the dielectric plate is provided with two sets of microstrip units, and two sets of microstrip units Symmetrical setting; each set of microstrip units includes two subunits that are bilaterally symmetric.
  • each subunit includes a feed piece for feeding and a curved first radiating arm; the first radiating arm and the feeding piece are connected by a feeding microstrip line; a side of the first radiating arm away from the center of the dielectric plate is provided with a scalloped notch, and a side of the first radiating arm near the center of the dielectric plate is provided with a semicircular notch, and a semicircular notch is disposed on a half of the feeding microstrip line; Also included is a curved second radiating arm, the second radiating arm being concentrically disposed with the first radiating arm, one end of the second radiating arm being coupled to an end of the first radiating arm remote from the feeding microstrip line; The second radial arm is provided with a plurality of fan-shaped radiating arms, and each of the fan-shaped radiating arms is provided with a hollow radiating unit, and each of the hollow radiating units is a triangle
  • the two sides of the hollow radiating element extend into the middle of the hollow radiating element with four coupled radiating arms; the length of the first and third coupled radiating arms from the outer arc edge of the sector radiating arm Less than the second and fourth; the reverse side of the dielectric plate is provided with two sets of microstrip fan-shaped units that are vertically symmetric, and each set of microstrip fan-shaped units includes two left and right symmetrically spaced fan-shaped arms.
  • the distance between the fan-shaped radiating arms is L
  • the number of the fan-shaped radiating arms is N
  • the transverse length of the feeding microstrip line is M
  • the shell lj M L*0.8*N.
  • each group of microstrip units is provided with a T-shaped parasitic oscillator piece in the middle;
  • each subunit includes an L-shaped isolating rod, and the L-shaped isolating rod is disposed in parallel with the corresponding feeding microstrip line;
  • the periphery of the medium is further provided with a circle of isolated microstrip arms;
  • a signal is connected between the multi-channel data acquisition unit and the antenna array, and the filter is used to filter out clutter of signals collected by the multi-channel data acquisition unit;
  • the communication device is further connected to the data processing system for transmitting the detection signal of the data processing system to the outside world in real time;
  • a data storage unit coupled to the data processing system for storing the probe information in real time.
  • the principle that the leakage power source has a signal release is used to capture and measure the position of the leakage power source, improve the receiving antenna, and increase the various indexes of the antenna to achieve higher sensitivity detection.
  • FIG. 2 is a front elevational view of the microstrip antenna of the present invention.
  • FIG. 3 is a schematic structural view of a subunit of the present invention.
  • Figure 4 is a partial enlarged view of Figure 3;
  • Figure 5 is a reverse side view of the present invention.
  • FIG. 6 is a frequency range simulation test diagram of the microstrip antenna of the present invention.
  • FIG. 7 is a direction view of a microstrip antenna of the present invention.
  • FIGS. 1 to 7 illustrate:
  • bl-dielectric plate b2-isolated microstrip arm; b3-parasitic oscillator piece; b4-L-shaped spacer bar; b5-feeder piece; b6-first radiation arm; b61-semicircular notch; b62- Sector gap; b7-fan radiating arm; b71-coupled radiating arm; b8-second radiation
  • a substation partial discharge signal detecting system provided with an isolation bar includes a multi-channel data acquisition unit, a data processing system, and an antenna array;
  • the channel data acquisition unit is configured to collect the partial discharge signal received by the antenna array;
  • the multi-channel data acquisition unit is configured to collect the partial discharge signal received by the antenna array; and
  • the filter is used to filter out the signal collected by the multi-channel data acquisition unit.
  • a method for online monitoring and localization of partial discharge signals in a substation which receives a partial discharge signal through an antenna, and transmits the signal to a filter through a multi-channel data acquisition unit, and the filter is used for The clutter of the signal collected by the multi-channel data acquisition unit is filtered out, and the data processing system calculates the exact position of the discharge power source by the method described in the above patent.
  • the antenna array includes a plurality of microstrip antennas, each of the microstrip antennas includes an elliptical dielectric plate bl, and the front side of the dielectric plate bl is provided with two sets of microstrip units, and two sets of microstrips The unit is symmetrically arranged up and down; each group of microstrip units includes two subunits that are bilaterally symmetric.
  • each subunit includes a feeding piece b5 for feeding and a first radiation arm b6 having an arc shape; the first radiation The arm b6 and the feeding piece b5 are connected by a feeding microstrip line; the side of the first radiating arm b6 away from the center of the dielectric plate bl is provided with a fan-shaped notch b62, and the first radiating arm b6 is close to the center of the dielectric plate bl One side is provided with a semicircular notch b61, and a semicircular notch b61 is disposed on a half of the feeding microstrip line; further includes a curved second radiating arm b8, the second radiating arm b8 and the first radiating arm b6 Concentrically, one end of the second radiating arm b8 is connected to one end of the first radiating arm b6 away from the feeding microstrip line; the second radiating arm b8 is provided with
  • the antenna structure is finally determined by a microstrip circuit structure design of not less than 600 times, and by no less than 600 simulation tests and parameter adjustments, the antenna has a wide frequency range and good isolation and directivity. As well as gain performance, it has better communication performance.
  • the available bandwidth of the antenna bandwidth is as high as 1.7 GHz to 2.65 GHz; basically meets the requirements of the communication band, and the gain is also high, and the average gain in the band is greater than 8.952 dBi; Actual use needs; in addition, its isolation
  • the isolation in the band is good, the isolation performs better. As shown in Figure 6, it can be seen in S3 that the isolation is greater than 25.5 db in the frequency range. The directionality is also good, as shown in Fig. 7, which is an omnidirectional antenna. Improve the reception characteristics of the signal by changing its emission characteristics.
  • the number of the fan-shaped radiating arms b7 of each sub-unit is 4-6.
  • a partial discharge signal detecting system for a substation provided with an isolation bar wherein the distance between the fan-shaped radiating arms b7 is L, and the number of the fan-shaped radiating arms b7 is N, the feeding microstrip
  • a substation partial discharge signal detecting system provided with an isolation rod according to the embodiment, a T-shaped parasitic vibrator piece b3 is disposed in the middle of each group of microstrip units ; the parasitic vibrator piece b3 can increase the gain while reducing Isolation
  • each subunit includes an L-shaped isolating rod b4, and the L-shaped isolating rod b4 is disposed in parallel with the corresponding feeding microstrip line;
  • a partial discharge signal detecting system for a substation provided with an isolation bar according to the embodiment, wherein a peripheral microstrip arm b2 is further disposed on the outer periphery of the medium. It can effectively enhance the isolation performance and improve the electrical performance of the antenna.
  • a signal is connected between the multi-channel data acquisition unit and the antenna array, and the filter is used to filter out clutter of signals collected by the multi-channel data acquisition unit;
  • a substation partial discharge signal detecting system provided with an isolation bar according to the embodiment wherein a signal is connected between the multi-channel data acquisition unit and the antenna array, and the filter is used to filter out multiple channels.
  • the substation partial discharge signal detecting system provided with the isolation rod according to the embodiment further includes a communication device, wherein the signal is connected with the data processing system for using the data The detection signal of the processing system is sent to the outside world in real time;
  • the substation partial discharge signal detecting system provided with the isolation rod according to the embodiment further includes a data storage unit connected with the signal processing system for real-time detecting information Storage;
  • the communication antenna is a non-size required antenna, and the above requirements are met as long as the holes and holes are provided in the bending direction; but if better stable performance is required, the antenna is
  • the specific dimensions can be optimized as follows: The size of the dielectric plate is not limited.
  • the line width of the first radiating arm is: 3.2mm, the arc angle is: 90 degrees, the size of the feeding piece is not limited, for feeding, feeding microstrip
  • the line width of the wire connection is not more than 1.2mm ; the central angle of the fan-shaped notch is: 20 degrees, the line width is -1.6mm; the radius of the semi-circular notch is: lmm, the line width of the second radiation arm is: lmm,
  • the angle of the center of the circle is 90 degrees.
  • the fan-shaped radiating arm has a meridional width of 5.5 mm and a center angle of 9 degrees; the center angle of the two adjacent sector-shaped radiating arms is 9 degrees; the hollow radiating element is an equilateral triangle, and the side length is 3.3 mm.
  • Coupling radiation arm line width is 0.15mm, length does not replace page then Article 26) Limit;
  • the radius of the isolated sector arm is: 30mm.
  • the line width of the parasitic vibrator piece is lmm, the length of the longitudinal rod is 4.5 mm, and the length of the cross bar is 4 mm; the line width of the L-shaped spacer rod is 2 mm, the length is not limited, and it cannot be interlaced with other lines.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

一种设有隔离杆的变电站局部放电信号检测系统,包括有多通道数据采集单元、数据处理系统以及天线阵列;所述多通道数据采集单元用于采集天线阵列接收到的局部放电信号;利用漏电源有信号释放出的原理进行捕捉测定漏电源位置,改进接收天线,将天线的各项指标增加,实现更高灵敏度的探测。

Description

设有隔离杆的变电站局部放电信号检测系统 技术领域
[0001] 本发明涉及一种设有隔离杆的变电站局部放电信号检测系统。
背景技术
[0002] 目前, 绝缘故障是电力设备在运行中的主要故障之一, 电力设备发生绝缘故障前, 一般都会有一个逐渐发展的局部放电过程, 并最终导致绝缘击穿。 如果在这个过程能够对运 行设备进行局部放电监测和诊断, 及时发现局部放电信号, 提前对缺陷进行处理, 就能有效 避免绝缘击穿故障的发生。 此外, 对局部放电位置的定位, 也有助于制定更有针对性的检修 处理方案, 减少停电时间, 提高检修效率。 因此, 目前国内外很多科研工作者都对电力设备 的局部放电的监测及定位进行了研究。 申请号为: 2011101675994 的专利公开了一种 《变电 站局部放电信号在线监测和定位方法》, 其利用全向天线接收信号, 从而计算出局部放电的 位置信息。 然而, 由于变电站附近本身存在很大的电场影响, 而作为天线如果需要接收到强 电场下的局部放电信号, 就需要该天线具有较好的发射性能, 例如其全向性和增益以及前后 比均要求要较好的电气性能。
技术解决方案
[0003] 本发明的目的在于克服以上所述的缺点, 提供一种设有隔离杆的变电站局部放电信 号检测系统。
[0004] 为实现上述目的, 本发明的具体方案如下: 一种设有隔离杆的变电站局部放电信号 检测系统, 其特征在于: 包括有多通道数据采集单元、 数据处理系统以及天线阵列; 所述多 通道数据采集单元用于采集天线阵列接收到的局部放电信号;
[0005] 所述天线阵列包括有多个微带天线, 每个所述微带天线包括有椭圆形的介质板, 所 述介质板的正面设有两组微带单元, 两组微带单元上下对称设置; 每组微带单元包括有两 个、 且左右对称的子单元。
[0006] 其中, 每个子单元包括有一个用于馈电的馈电片以及弧形的第一辐射臂; 所述第一 辐射臂与馈电片之间通过馈电微带线连接; 所述第一辐射臂远离介质板中心的一边设有扇形 缺口, 所述第一辐射臂靠近介质板中心的一边设有半圆形缺口, 半圆形缺口设于靠近馈电微 带线的半边上; 还包括有弧形第二辐射臂, 所述第二辐射臂与第一辐射臂同心设置, 所述第 二辐射臂的一端与第一辐射臂的远离馈电微带线的一端连接; 所述第二辐射臂上等弧长设置 有多个扇形辐射臂, 每个所述扇形辐射臂上设有镂空辐射单元, 每个镂空辐射单元为三角
1
替换页(细则第 26条) 形, 镂空辐射单元的两边均向镂空辐射单元的中间延伸出有四条耦合辐射臂; 自扇形辐射臂 的外弧边向内弧边数起, 第一个、 第三个的耦合辐射臂的长度小于第二个、 第四个; 所述介 质板的反面设有两组程上下对称的微带扇形单元, 每组微带扇形单元包括有两个左右对称的 隔离扇形臂。
[0007] 其中, 每个子单元的扇形辐射臂的数量为 4-6个。
[0008] 其中, 设扇形辐射臂之间的距离为 L, 扇形辐射臂的数量为 N, 所述馈电微带线的横 向长度为 M, 贝 lj M=L*0.8*N。
[0009] 其中, 每组微带单元的中间设置有一 T形的寄生振子片;
[0010] 其中, 每个子单元包括有一个 L形隔离杆, L形隔离杆与对应馈电微带线平行设置;
[0011] 其中, 所述介质上的外围上还设有一圈隔离微带臂;
[0012] 其中, 所述多通道数据采集单元与天线阵列之间信号连接有滤波器, 所述滤波器用 于滤除多通道数据采集单元采集到的信号的杂波;
[0013] 其中, 还包括有通信装置, 所述与数据处理系统信号连接, 用于将数据处理系统的 探测信号实时发送至外界;
[0014] 其中, 还包括有与数据处理系统信号连接的数据存储单元, 用于将探测信息实时存 储。
有益效果
[0015] 利用漏电源有信号释放出的原理进行捕捉测定漏电源位置, 改进接收天线, 将天线 的各项指标增加, 实现更高灵敏度的探测。
附图说明
[0016] 图 1是本发明的原理图;
[0017] 图 2是本发明的微带天线的正面视图;
[0018] 图 3是本发明的子单元的结构示意图;
[0019] 图 4是图 3的局部放大图;
[0020] 图 5是本发明的反面视图;
[0021] 图 6是本发明的微带天线的频率范围仿真测试图;
[0022] 图 7是本发明的微带天线的方向图;
[0023] 图 1至图 7中的附图标记说明:
[0024] bl-介质板; b2-隔离微带臂; b3-寄生振子片; b4-L形隔离杆; b5-馈电片; b6-第一辐 射臂; b61-半圆形缺口; b62-扇形缺口; b7-扇形辐射臂; b71-耦合辐射臂; b8-第二辐射
更正页(细则第 91条) 臂; b9-隔离扇形臂。
本发明的实施方式
[0025] 下面结合附图和具体实施例对本发明作进一步详细的说明, 并不是把本发明的实施 范围局限于此。
[0026] 如图 1 至图 7所示, 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系 统, 包括有多通道数据采集单元、 数据处理系统以及天线阵列; 所述多通道数据采集单元用 于采集天线阵列接收到的局部放电信号; 所述多通道数据采集单元用于采集天线阵列接收到 的局部放电信号; 滤波器用于滤除多通道数据采集单元采集到的信号的杂波; 根据申请号 为: 2011101675994 的专利公开了一种 《变电站局部放电信号在线监测和定位方法》, 通过 天线接收局部放电信号, 通过多通道数据采集单元将信号传至滤波器, 滤波器用于滤除多通 道数据采集单元采集到的信号的杂波, 数据处理系统通过上述专利中介绍的方法计算后得出 放电源的准确位置。
[0027] 所述天线阵列包括有多个微带天线, 每个所述微带天线包括有椭圆形的介质板 bl, 所述介质板 bl 的正面设有两组微带单元, 两组微带单元上下对称设置; 每组微带单元包括 有两个、 且左右对称的子单元。 本实施例所述的一种设有隔离杆的变电站局部放电信号检测 系统, 每个子单元包括有一个用于馈电的馈电片 b5 以及弧形的第一辐射臂 b6; 所述第一辐 射臂 b6与馈电片 b5之间通过馈电微带线连接; 所述第一辐射臂 b6远离介质板 bl中心的一 边设有扇形缺口 b62, 所述第一辐射臂 b6靠近介质板 bl 中心的一边设有半圆形缺口 b61, 半圆形缺口 b61 设于靠近馈电微带线的半边上; 还包括有弧形第二辐射臂 b8, 所述第二辐 射臂 b8与第一辐射臂 b6同心设置, 所述第二辐射臂 b8的一端与第一辐射臂 b6的远离馈电 微带线的一端连接; 所述第二辐射臂 b8上等弧长设置有多个扇形辐射臂 b7, 每个所述扇形 辐射臂 b7 上设有镂空辐射单元, 每个镂空辐射单元为三角形, 镂空辐射单元的两边均向镂 空辐射单元的中间延伸出有四条耦合辐射臂 b71 ; 自扇形辐射臂 b7 的外弧边向内弧边数 起, 第一个、 第三个的耦合辐射臂 b71 的长度小于第二个、 第四个; 所述介质板 bl 的反面 设有两组程上下对称的微带扇形单元, 每组微带扇形单元包括有两个左右对称的隔离扇形臂 b9。 通过合理的辐射单元的设计, 改善辐射电流, 从而改善辐射特性。 通过不小于 600次的 微带电路结构设计, 以及通过不低于 600次仿真试验和参数调整下, 最终确定了上述天线结 构, 该天线具备较宽的频率范围以及较好的隔离度和方向性以及增益性能, 具备较好的通信 性能; 实际测试中, 该天线带宽可用频率范围高达 1.7GHz至 2.65GHz; 基本满足通信频段 的要求, 其增益也较高, 频带内平均增益大于 8.952dbi; 满足实际使用需要; 另外其隔离度
3
替换页(细则第 26条) 如果图频带内隔离度, 隔离度表现较好, 如图 6, 在 S3 中可以看出在频率范围内隔离度大 于 25.5db。 其方向性也好, 如图 7所述, 其为全向性天线。 通过改变其发射特性, 来提高信 号的接收特性。
[0028] 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统, 每个子单元的扇 形辐射臂 b7的数量为 4-6个。
[0029] 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统, 设扇形辐射臂 b7 之间的距离为 L, 扇形辐射臂 b7 的数量为 N, 所述馈电微带线的横向长度为 M, 则 M=L*0.8*N。 满足该公式后, 其性能得到最佳体现, 增益和方向都较好, 驻波比接近 1。
[0030] 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统, 每组微带单元的 中间设置有一 T形的寄生振子片 b3 ; 寄生振子片 b3能够增加增益的同时降低隔离度
[0031] 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统, 每个子单元包括 有一个 L形隔离杆 b4, L形隔离杆 b4与对应馈电微带线平行设置;
[0032] 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统, 所述介质上的外 围上还设有一圈隔离微带臂 b2。 其能有效增强隔离性能, 完善天线的电气性能
[0033] 所述多通道数据采集单元与天线阵列之间信号连接有滤波器, 所述滤波器用于滤除 多通道数据采集单元采集到的信号的杂波;
[0034] 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统,所述多通道数据采 集单元与天线阵列之间信号连接有滤波器, 所述滤波器用于滤除多通道数据采集单元采集到 的信号的杂波; 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统,还包括有 通信装置, 所述与数据处理系统信号连接, 用于将数据处理系统的探测信号实时发送至外 界; 本实施例所述的一种设有隔离杆的变电站局部放电信号检测系统,还包括有与数据处理 系统信号连接的数据存储单元, 用于将探测信息实时存储; 本实施例所述的一种设有隔离杆 的变电站局部放电信号检测系统,所述 PCB板上还设有一圈屏蔽圈; 用于提高屏蔽性能。
[0035] 以图 3 为参照, 本通信天线为非尺寸要求天线, 只要在弯折方向上、 设置的孔、 洞 的方式上达到上述要求; 但如果需要更佳稳定的性能时, 本天线的具体尺寸可以优化为: 介 质板的大小不限, 第一辐射臂的线宽为: 3.2mm, 圆弧角为: 90度, 馈电片的尺寸不限, 用 于馈电, 馈电微带线连接的线宽不超过为 1.2mm ; 扇形缺口的圆心角为: 20 度, 线宽为- 1.6mm; 半圆形缺口的半径为: lmm, 第二辐射臂的线宽为: lmm, 所对圆心角为 90 度。 扇形辐射臂的经向宽度为 5.5mm, 所对圆心角为 9度; 两个相邻扇形辐射臂的所夹的圆心角 为 9度; 镂空辐射单元为等边三角形, 边长为 :3.3mm; 耦合辐射臂线宽为 0.15mm, 长度不 替换页 则第 26条) 限; 隔离扇形臂的半径为: 30mm。 寄生振子片的线宽为 lmm, 纵杆长为 4.5mm, 横杆长为 4mm; L形隔离杆的线宽为 2mm, 长度不限, 不能与其他线交错。
[0036] 以上所述仅是本发明的一个较佳实施例, 故凡依本发明专利申请范围所述的构造、 特征及原理所做的等效变化或修饰, 包含在本发明专利申请的保护范围内。
5
替换页(细则第 26条)

Claims

权利要求书
[权利要求 1] 一种设有隔离杆的变电站局部放电信号检测系统, 其特征在于: 包括 有多通道数据采集单元、 数据处理系统以及天线阵列; 所述多通道数 据采集单元用于采集天线阵列接收到的局部放电信号; 所述天线阵列 包括有多个微带天线, 每个所述微带天线包括有椭圆形的介质板 (M ) , 所述介质板 (M) 的正面设有两组微带单元, 两组微带单元上下 对称设置; 每组微带单元包括有两个、 且左右对称的子单元; 每个子 单元包括有一个 L形隔离杆 (b4) , L形隔离杆 (b4) 与对应馈电微 带线平行设置; 每个子单元包括有一个用于馈电的馈电片 (b5) 以及 弧形的第一辐射臂 (b6) ; 所述第一辐射臂 (b6) 与馈电片 (b5) 之 间通过馈电微带线连接; 所述第一辐射臂 (b6) 远离介质板 (bl) 中 心的一边设有扇形缺口 (b62) , 所述第一辐射臂 (b6) 靠近介质板 (bl) 中心的一边设有半圆形缺口 (b61) , 半圆形缺口 (b61) 设于 靠近馈电微带线的半边上; 还包括有弧形第二辐射臂 (b8) , 所述第 二辐射臂 (b8) 与第一辐射臂 (b6) 同心设置, 所述第二辐射臂 (b8 ) 的一端与第一辐射臂 (b6) 的远离馈电微带线的一端连接; 所述第 二辐射臂 (b8) 上等弧长设置有多个扇形辐射臂 (b7) , 每个所述扇 形辐射臂 (b7) 上设有镂空辐射单元, 每个镂空辐射单元为三角形, 镂空辐射单元的两边均向镂空辐射单元的中间延伸出有四条耦合辐射 臂 (b71) ; 自扇形辐射臂 (b7) 的外弧边向内弧边数起, 第一个、 第三个的耦合辐射臂 (b71) 的长度小于第二个、 第四个; 所述介质 板 (bl) 的反面设有两组程上下对称的微带扇形单元, 每组微带扇形 单元包括有两个左右对称的隔离扇形臂 (b9) 。
[权利要求 2] 根据权利要求 1所述的一种设有隔离杆的变电站局部放电信号检测系 统, 其特征在于: 每个子单元的扇形辐射臂 (b7) 的数量为 4-6个。
[权利要求 3] 根据权利要求 1所述的一种设有隔离杆的变电站局部放电信号检测系 统, 其特征在于: 设扇形辐射臂 (b7) 之间的距离为 L, 扇形辐射臂
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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106299639A (zh) * 2016-08-06 2017-01-04 李少军 一种微带天线
CN106058467A (zh) * 2016-08-06 2016-10-26 李少军 一种设有l形隔离杆的微带天线
CN106168645A (zh) * 2016-08-25 2016-11-30 谢广鹏 设有隔离杆的变电站局部放电信号检测系统

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040090366A1 (en) * 2002-11-07 2004-05-13 Accton Technology Corporation Dual-band planar monopole antenna with a U-shaped slot
CN102856640A (zh) * 2012-09-26 2013-01-02 电子科技大学 一种带有寄生圆片的高隔离度双极化e型微带天线
CN103983903A (zh) * 2014-05-15 2014-08-13 国家电网公司 利用示波器检测射频信号的变电站全站局部放电定位方法
CN104991174A (zh) * 2015-07-26 2015-10-21 胡洁维 一种电力站局部放电信号检测系统
CN104991173A (zh) * 2015-07-26 2015-10-21 胡洁维 高精度变电站局部放电信号检测系统
CN105004976A (zh) * 2015-07-26 2015-10-28 胡洁维 一种变电站局部放电信号检测装置
CN105004980A (zh) * 2015-08-25 2015-10-28 胡达凯 一种变电站放电信号检测装置
CN105004977A (zh) * 2015-07-26 2015-10-28 胡洁维 一种变电站局部放电信号检测系统
CN105004975A (zh) * 2015-07-26 2015-10-28 胡洁维 设有第一寄生振子片的变电站局部放电信号检测系统
CN105021966A (zh) * 2015-08-25 2015-11-04 胡达凯 简易高效变电站检测系统
CN105021965A (zh) * 2015-08-25 2015-11-04 胡达凯 高灵敏度变电站放电信号监测装置
CN105021964A (zh) * 2015-08-25 2015-11-04 胡达凯 一种变电站局部放电信号检测系统
CN105067972A (zh) * 2015-07-26 2015-11-18 胡洁维 45度角变电站局部放电信号检测系统
CN105067970A (zh) * 2015-07-26 2015-11-18 胡洁维 简易变电站局部放电信号检测系统
CN105067971A (zh) * 2015-07-26 2015-11-18 胡洁维 变电站放电信号检测系统
CN105067969A (zh) * 2015-07-26 2015-11-18 胡洁维 电站局部放电信号检测系统
CN105067981A (zh) * 2015-08-25 2015-11-18 胡达凯 一种高灵敏变电站监测系统
CN105116288A (zh) * 2015-08-25 2015-12-02 胡达凯 高增益变电站局部放电信号检测系统
CN105182194A (zh) * 2015-08-25 2015-12-23 胡达凯 一种高准确率的变电站局部放电信号检测系统
CN105203145A (zh) * 2015-11-09 2015-12-30 谢广鹏 一种设有u形夹槽的高压电站检测装置
CN105318914A (zh) * 2015-11-09 2016-02-10 谢广鹏 一种高压电站检测装置
CN105333903A (zh) * 2015-11-09 2016-02-17 谢广鹏 一种设有转速探测器的高压电站检测装置
CN106168645A (zh) * 2016-08-25 2016-11-30 谢广鹏 设有隔离杆的变电站局部放电信号检测系统

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040090366A1 (en) * 2002-11-07 2004-05-13 Accton Technology Corporation Dual-band planar monopole antenna with a U-shaped slot
CN102856640A (zh) * 2012-09-26 2013-01-02 电子科技大学 一种带有寄生圆片的高隔离度双极化e型微带天线
CN103983903A (zh) * 2014-05-15 2014-08-13 国家电网公司 利用示波器检测射频信号的变电站全站局部放电定位方法
CN105067969A (zh) * 2015-07-26 2015-11-18 胡洁维 电站局部放电信号检测系统
CN105067972A (zh) * 2015-07-26 2015-11-18 胡洁维 45度角变电站局部放电信号检测系统
CN105004976A (zh) * 2015-07-26 2015-10-28 胡洁维 一种变电站局部放电信号检测装置
CN104991174A (zh) * 2015-07-26 2015-10-21 胡洁维 一种电力站局部放电信号检测系统
CN105004977A (zh) * 2015-07-26 2015-10-28 胡洁维 一种变电站局部放电信号检测系统
CN105004975A (zh) * 2015-07-26 2015-10-28 胡洁维 设有第一寄生振子片的变电站局部放电信号检测系统
CN105067971A (zh) * 2015-07-26 2015-11-18 胡洁维 变电站放电信号检测系统
CN105067970A (zh) * 2015-07-26 2015-11-18 胡洁维 简易变电站局部放电信号检测系统
CN104991173A (zh) * 2015-07-26 2015-10-21 胡洁维 高精度变电站局部放电信号检测系统
CN105021964A (zh) * 2015-08-25 2015-11-04 胡达凯 一种变电站局部放电信号检测系统
CN105021965A (zh) * 2015-08-25 2015-11-04 胡达凯 高灵敏度变电站放电信号监测装置
CN105021966A (zh) * 2015-08-25 2015-11-04 胡达凯 简易高效变电站检测系统
CN105004980A (zh) * 2015-08-25 2015-10-28 胡达凯 一种变电站放电信号检测装置
CN105067981A (zh) * 2015-08-25 2015-11-18 胡达凯 一种高灵敏变电站监测系统
CN105116288A (zh) * 2015-08-25 2015-12-02 胡达凯 高增益变电站局部放电信号检测系统
CN105182194A (zh) * 2015-08-25 2015-12-23 胡达凯 一种高准确率的变电站局部放电信号检测系统
CN105203145A (zh) * 2015-11-09 2015-12-30 谢广鹏 一种设有u形夹槽的高压电站检测装置
CN105318914A (zh) * 2015-11-09 2016-02-10 谢广鹏 一种高压电站检测装置
CN105333903A (zh) * 2015-11-09 2016-02-17 谢广鹏 一种设有转速探测器的高压电站检测装置
CN106168645A (zh) * 2016-08-25 2016-11-30 谢广鹏 设有隔离杆的变电站局部放电信号检测系统

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