WO2017020827A1 - 一体化小型智能电力信息采集模块 - Google Patents

一体化小型智能电力信息采集模块 Download PDF

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Publication number
WO2017020827A1
WO2017020827A1 PCT/CN2016/093014 CN2016093014W WO2017020827A1 WO 2017020827 A1 WO2017020827 A1 WO 2017020827A1 CN 2016093014 W CN2016093014 W CN 2016093014W WO 2017020827 A1 WO2017020827 A1 WO 2017020827A1
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Prior art keywords
power information
sampling unit
cable
module
under test
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PCT/CN2016/093014
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English (en)
French (fr)
Inventor
颜庭乔
马成有
殷东明
杨飞
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南京新联电子股份有限公司
南京新联电能云服务有限公司
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Application filed by 南京新联电子股份有限公司, 南京新联电能云服务有限公司 filed Critical 南京新联电子股份有限公司
Publication of WO2017020827A1 publication Critical patent/WO2017020827A1/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

Definitions

  • the present invention relates to electrical information monitoring techniques, and more particularly to an integrated small smart power information collection module. Background technique
  • the current transformer in the existing monitoring device is composed of a primary transformer and a secondary transformer (generally called an instrument transformer, which is installed in the collector), which is large in size and high in cost, and is limited by the installation space on site. Installation is difficult, and even some branch circuits need to be modified to install; there are many branch circuits in the power unit, and each branch circuit needs to be connected to current transformers, collectors, communication modules, etc., and the equipment cost is high; The voltage signal is connected to each branch, and the power failure operation is required during installation to affect the production and operation activities of the power unit. There are many on-site access cables, and even professional wiring is required. The installation difficulty and workload are large, and the construction cost is high. High and long construction period. Summary of the invention
  • the technical problem to be solved by the present invention is to provide an integrated small intelligent power information collection module, which solves the problems of large size, high cost, and difficult installation of existing monitoring equipment, and affects the production of power units during the installation process. Operational issues.
  • the force information collecting module comprises: a module base, a power access and voltage sampling unit disposed on the base of the module, and a circuit board connected to the power access and voltage sampling unit.
  • the module base and the power access and voltage sampling unit jointly clamp the cable under test so that the power information acquisition module is stuck on the cable under test, and the power access and voltage sampling unit are driven by the self-contained
  • the tip mechanism pierces the insulation of the cable under test, thereby sampling the voltage of the conductive core of the cable under test.
  • Embodiments of the present invention also provide an integrated small intelligent power information collection module, including: a power supply access and voltage sampling unit, a current sampling unit, a cable temperature detecting component, a circuit board, and a branch neutral wiring port. , module base. Wherein, the power access and voltage sampling unit and the current sampling unit are connected to the module base, the cable temperature detecting component is installed at the bottom of the tested cable, the circuit board is installed in the module base, and the branch neutral wiring port is connected to the power information. In the acquisition module.
  • the power access and voltage sampling unit and the current sampling unit are shared module bases, and the branch zero line is connected to the power information acquisition module by the branch zero line connection port, and the circuit board in the module base can be performed.
  • Signal processing and transmission, cable temperature detecting component is installed at the bottom of the cable to be tested, the temperature of the cable surface can be detected, the insulating sleeve and the crimping block are tightly pressed together with the cable under test, and the insulating sleeve and/or the crimping block have ⁇ Needle, during the extrusion process, the ⁇ pin can be connected to the cable conductive core through the cable insulation layer to carry out voltage collection, so that the power information acquisition module can be directly hung on the cable under test, and the mechatronic design makes the power information The acquisition module is small in size and easy to install.
  • the advantages and features of the integrated small intelligent power information acquisition module are: Mechatronics design, realizing the fusion of the traditional primary current transformer and the secondary current transformer, the volume Compact, lightweight, low cost; integrated power supply and voltage sampling unit and current sampling unit, the voltage signal can be collected, the current signal can be collected, and the cable surface can be realized only by installing the power information acquisition module. Monitoring function such as temperature acquisition; In the process of installing the power information acquisition module, the branch circuit does not need to be powered off. Only the opening card mechanism is used to connect the power information acquisition module to the cable under test, and the cable is squeezed through the pressure block.
  • the ⁇ pin is connected to the cable conductive layer through the cable insulation layer, and the conductor pin introduces the voltage signal into the power information acquisition module to supply power to the power information acquisition module, and realizes functions such as voltage sampling, current sampling and data transmission, and is simple to install and convenient to operate. , construction speed is fast, low cost, in During the installation process, there is no impact on the production and operation of the electricity unit.
  • Figure 1 is a structural view of the overall installation of the present invention
  • FIG. 1 is an open structure diagram before installation
  • FIG. 3A is a power supply access and voltage sampling structure diagram
  • FIG. 3B is an enlarged structural view of the lancet of FIG. 3A;
  • FIG. 4 is a current sampling structure diagram.
  • an integrated small intelligent power information collection module includes: a power supply access and voltage sampling unit 1, a current sampling unit 2, a cable temperature detecting component 3, a circuit board 4, and a branch neutral wiring. Port 5, module base 6.
  • the power supply access and voltage sampling unit 1, the current sampling unit 2 is connected to the module base 6, the cable temperature detecting component 3 is installed at the bottom of the tested cable L, the circuit board 4 is installed in the module base 6, and the branch neutral line
  • the wiring port 5 is connected to the power information collecting module;
  • the power supply access and voltage sampling unit 1 and the current sampling unit 2 share the module base 6, and the branch circuit neutral line Z is connected to the power information collection by the bypassed neutral connector port 5 through the plugged connector.
  • the circuit board 4 in the module base 6 can perform signal processing and transmission, and a cable temperature detecting component 3 is installed at the bottom of the tested cable L to detect the cable surface temperature, the insulating sleeve 1-7, the crimping block 1- 5
  • the cable L is tightly pressed together, so that the power information collecting module can be directly hung on the cable L to be tested.
  • the mechatronic design makes the power information collecting module small in size and convenient to install.
  • the power supply access and voltage sampling unit 1 includes: a crimping bracket 1-1, a crimping bracket rotating shaft 1-2, and a tightening crimping bracket fixing member 1-3.
  • the pressure wire bracket 1-1 is connected to the pressure wire support rotating shaft 1-2, and the wire clamping frame fixing member 1-3 fixes the current sampling unit upper cover 2-1 on the module base;
  • the current sampling unit 2 It includes a current sampling unit upper cover 2-1 and a current sampling upper cover rotating shaft 2-2.
  • the current sampling unit upper cover 2-1 is connected to the current sampling upper cover rotating shaft 2-2.
  • the crimping bracket 1-1 can be rotated along the reel shaft 1-2, and the current sampling unit upper cover 2-1 can be rotated along the current sampling upper cover shaft 2-2.
  • the power supply access and voltage sampling unit 1 further includes: a rotary crimping screw 1-4, a crimping block 1-5, a pin 1-6, and an insulating sleeve 1-7.
  • the rotary crimping screw 1-4 is connected to the crimping block 1-5, and the needle tip of the cymbal 1-6 is disposed corresponding to the insulating layer of the cable L to be tested, and the periphery of the tested cable L is absolutely Edge set 1-7.
  • rotate the crimping screw 1-4 push the crimping block 1-5 to squeeze the cable L to be tested, the needle
  • the tip of the 1- 6 is pierced through the insulating layer of the cable L to be tested and the conductive core M of the cable L to be tested, so that the signal in the cable L to be tested can be introduced into the power information collecting module.
  • the power supply is also provided to the circuit board and the sampling chip of the power information acquisition module through the neutral signal connected from the zero line connection port 5 of the branch.
  • the insulating sleeve 1-7 is an insulating flexible material. After being pressed against the cable L to be tested, it is closely adhered to the outer insulating layer of the tested cable L to provide safety protection and fixing. At the same time, the thimble 1-6 can be removed during disassembly. Eject the cable.
  • FIG. 3B is an enlarged structural view of the boring needle of FIG. 3A.
  • the cymbals 1-6 can be disposed on the insulating sleeve 1-7, and the cymbals 1-6 can also be disposed at the crimping blocks 1-5.
  • Upper, the thimbles 1-6 can also be disposed on the insulating sleeve 1-7 and the crimping blocks 1-5 at the same time.
  • the ⁇ 1-6 is the tip mechanism of the power supply and voltage sampling unit 1 , and the ⁇ 1-6 is broken by an external force (for example, an external force applied by a rotary crimping screw 1-4, a spring, etc.)
  • the insulating layer of the cable L to be tested thereby causing the pin 1-6 to be in contact with the conductive core M of the cable L to be tested, the voltage of the cable L to be tested can be sampled, and the power on the cable L to be tested can also be used to collect power information.
  • the module is powered.
  • the current sampling unit 2 further includes: a magnetic core 2-3 that closes the magnetic circuit and a sampling chip 2-4.
  • the magnetic core 2-3 in the current collecting unit 2 of the power information collecting module installed and fixed on the cable L to be tested forms a closed magnetic circuit
  • the sampling chip 2-4 senses the cable to be tested through the magnetic core 2-3.
  • the magnetic field change caused by the change of the L current realizes current sampling, that is, the magnetic core 2-3 of the closed magnetic circuit and the sampling chip 2-4 sense the magnetic field change caused by the change of the current of the measured cable L, thereby realizing current sampling.
  • the current sampling unit 2 After the current sampling unit 2 is connected to the cable L to be tested, the current signal sensed from the cable L to be tested is directly transmitted to the circuit board 4 for sampling operation, and the signal sensed after passing through the secondary current transformer is not required. Passed to the board 4 for acquisition operations.
  • a cable temperature detecting element 3 is mounted at the bottom of the insulating sleeve 1-7 for detecting the surface temperature of the cable.
  • the thimbles 1-6 are electrically conductive materials, and the remaining components that are in contact with the cable L to be tested (e.g., the crimping blocks 1-5, ⁇ pins 1-7) are all insulating materials.
  • the power supply access and voltage sampling unit 1 and the current sampling unit 2 are both open-ended design, and the power supply access and voltage sampling unit 1, the current sampling unit 2 and the module base 6 complete the clamping of the cable L to be tested.
  • Voltage sampling and current sampling upper cover part ie, crimping bracket 1-1 and current sampling unit upper cover
  • Both can be rotated and opened. After opening, the power information acquisition module can be removed from the cable L to be tested.
  • the crimping block 1-5 extrudes the cable to connect the pin 1-6 through the cable insulation layer to the conductive core M, and the conductive pin 1-6 introduces a voltage signal into the module base as a power information acquisition module.
  • Power supply and voltage Sampling signals, insulation sleeves 1-7 provide insulation protection and prevent the crimping screws 1-4 from loosening and disassembling to act as a dome.
  • the cable temperature detecting element 3 is mounted in the module base 6, and the cable temperature detecting element 3 and the cable L to be tested are isolated by the insulating sleeve 1-7, thereby ensuring that the cable temperature detecting element 3 can measure the cable L to be tested.
  • the surface temperature is again insulated from the cable L under test.
  • the cable temperature detecting element 3 transmits the detected cable temperature information to the circuit board 4 in the power information collecting module, thereby detecting whether the temperature of the cable under test L is within an allowable range.
  • the insulating sleeve 1-7 and the crimping block 1-5 which are in contact with the cable L to be tested are made of insulating and high-voltage resistant materials, and the live parts are provided by an insulating sleeve. 1-7 package, all parts in contact with the installer during installation are insulated from the cable L to be tested, so it can be installed with power, that is, during the process of installing the power information acquisition module, the branch circuit does not need to be powered off.

Abstract

一种一体化小型智能电力信息采集模块,其中,该电力信息采集模块包括:模块底座(6)、设置于所述模块底座(6)上的电源接入及电压采样单元(1),以及与所述电源接入及电压采样单元(1)连接的电路板(4),其中,所述模块底座(6)和所述电源接入及电压采样单元(1)共同夹持被测电缆(L)从而使电力信息采集模块卡接在被测电缆(L)上,所述电源接入及电压采样单元(1)通过推动自带的尖端机构刺穿被测电缆(L)的绝缘层,从而采样被测电缆(L)的导电芯(M)的电压。该电力信息采集模块具有体积小、重量轻、成本低、安装简单的优点,有效监测用电分支回路的用电信息和电能质量,从而实现精细化用电管理的目的。

Description

一体化小型智能电力信息采集模块 优先权声明
[0001]本申请要求 2015年 08月 04日递交的、 申请号为 CN201510469865.7、 发明名称为 "一体化小型智能电力采集模块" 的中国发明专利的优先权, 该发 明专利的所有内容在此全部引入。 技术领域
[0002]本发明涉及用电信息监测技术, 尤其涉及一种一体化小型智能电力信息 采集模块。 背景技术
[0003]为了实现精细化用电管理及需求侧响应, 达到有序用电及节能降耗的目 的, 用电单位除了对总用电回路监测之外, 还需扩展到对各分支用电回路进行 监测。 现有技术一般在各分支回路中加装电流互感器、 采集器、 通信模块等设 备, 实现对各用电回路的用电信息和电能质量的监测。
[0004]现有监测设备中的电流互感器由一次互感器和二次互感器 (一般称为仪 表互感器, 装在采集器中) 组成, 体积大、 成本高, 由于受现场安装空间限 制, 安装困难, 甚至有些分支回路需要改造才能安装; 用电单位的分支回路 多, 每个分支回路均需接入电流互感器、 采集器、 通信模块等设备, 设备成本 高; 此外采集器需要从现场各支路中接入电压信号, 安装时要进行停电操作, 给用电单位的生产、 经营活动造成影响; 现场接入电缆多, 甚至要进行专业的 布线, 安装难度及工作量大、 施工费用高、 施工周期长。 发明内容
[0005]有鉴于此, 本发明要解决的技术问题在于提供了一种一体化小型智能电 力信息采集模块, 解决现有监测设备体积大、 成本高、 安装困难, 安装过程中 影响用电单位生产运营的问题。
[0006]为了解决上述问题, 本发明的具体实施方式提供一种一体化小型智能电 力信息采集模块, 包括: 模块底座、 设置于所述模块底座上的电源接入及电压 采样单元, 以及与所述电源接入及电压采样单元连接的电路板。 其中, 所述模 块底座和所述电源接入及电压采样单元共同夹持被测电缆从而使电力信息采集 模块卡接在被测电缆上, 所述电源接入及电压采样单元通过推动自带的尖端机 构剌穿被测电缆的绝缘层, 从而采样被测电缆的导电芯的电压。
[0007]本发明的具体实施方式还提供一种一体化小型智能电力信息采集模块, 包括: 电源接入及电压采样单元、 电流采样单元、 电缆温度检测元件、 电路 板、 支路零线接线端口、 模块底座。 其中, 电源接入及电压采样单元、 电流采 样单元接在模块底座上, 电缆温度检测元件装在被测电缆的底部, 电路板装在 模块底座内, 支路零线接线端口接入到电力信息采集模块中。
[0008]工作时, 电源接入及电压采样单元和电流采样单元是共用模块底座, 支 路零线由支路零线接线端口接入到电力信息采集模块中, 模块底座内的电路板 可进行信号处理和传输, 在被测电缆的底部装有电缆温度检测元件, 可以检测 电缆表面温度, 绝缘套、 压线块与被测电缆紧密挤压在一起, 绝缘套和 /或压线 块上具有剌针, 在挤压过程中, 剌针可以剌过电缆绝缘层与电缆导电芯连接, 从而进行电压采集, 使得电力信息采集模块能够直接挂在被测电缆上, 机电一 体化的设计使得电力信息采集模块体积小, 安装方便。
[0009]通过本发明上述具体实施方式的描述, 可知一体化小型智能电力信息采 集模块的优点和特点为: 采用机电一体化设计, 实现传统一次电流互感器和二 次电流互感器的融合, 体积小巧、 重量轻、 成本低; 电源接入及电压采样单元 和电流采样单元等集成一体化设计, 仅通过安装该电力信息采集模块即可同时 实现对电压信号的采集、 电流信号的采集、 电缆表面温度采集等监测功能; 在 安装电力信息采集模块的过程中, 分支回路无需断电, 仅需利用开口卡接机构 将电力信息采集模块卡接在被测电缆上, 通过压线块挤压电缆使剌针剌过电缆 绝缘层与电缆导电芯连接, 导体剌针将电压信号引入到电力信息采集模块中为 电力信息采集模块供电, 实现电压采样、 电流采样和数据传输等功能, 安装简 单、 操作方便、 施工速度快、 费用低, 在安装过程中对用电单位生产运营无影 响。
[0010]应了解的是, 上述一般描述及以下具体实施方式仅为示例性及阐释性 的, 其并不能限制本发明所欲主张的范围。 附图说明
[0011]下面的所附附图是本发明的说明书的一部分, 其绘示了本发明的示例实 施例, 所附附图与说明书的描述一起用来说明本发明的原理。
[0012 图 1是本发明整体安装完成结构图;
[0013 图 2是安装前打开结构图;
[0014 图 3A是电源接入及电压采样结构图;
[0015 图 3B是图 3A中刺针的放大结构图;
[0016 图 4是电流采样结构图。
[0017]符号说明:
[0018] 1 电源接入及电压采样单元
[0019] 2 电流采样单元
[0020] 3 电缆温度检测元件
[0021] 4 电路板
[0022] 5 支路零线接线端口
[0023] 6 模块底座
[0024] 1-1 压线支架
[0025] 1-2 压线支架转轴
[0026] 1-3 旋紧压线支架固定件
[0027] 1-4 旋转压线螺钉
[0028] 1-5 压线块
[0029] 1-6 剌针
[0030] 1-7 绝缘套
[0031] 2- 1 电流采样单元上盖
[0032] 2-2 电流采样上盖转轴
[0033] 2-3 磁芯
[0034] 2-4 采样芯片 具体实施方式 [0035]为使本发明实施例的目的、 技术方案和优点更加清楚明白, 下面将以附 图及详细叙述清楚说明本发明所揭示内容的精神, 任何所属技术领域技术人员 在了解本发明内容的实施例后, 当可由本发明内容所教示的技术, 加以改变及 修饰, 其并不脱离本发明内容的精神与范围。
[0036]本发明的示意性实施例及其说明用于解释本发明, 但并不作为对本发明 的限定。 另外, 在附图及实施方式中所使用相同或类似标号的元件 /构件是用来 代表相同或类似部分。
[0037]参见图 1、 图 2, 一体化小型智能电力信息采集模块, 包括: 电源接入及 电压采样单元 1、 电流采样单元 2、 电缆温度检测元件 3、 电路板 4、 支路零线 接线端口 5、 模块底座 6。 其中, 电源接入及电压采样单元 1、 电流采样单元 2 接在模块底座 6上, 电缆温度检测元件 3装在被测电缆 L的底部, 电路板 4装 在模块底座 6内, 支路零线接线端口 5接入到电力信息采集模块中;
[0038]工作时, 电源接入及电压采样单元 1和电流采样单元 2共用模块底座 6, 分支回路零线 Z通过对插的插接件由支路零线接线端口 5接入到电力信息采 集模块中, 模块底座 6内的电路板 4可进行信号处理和传输, 在被测电缆 L的 底部装有电缆温度检测元件 3, 可以检测电缆表面温度, 绝缘套 1-7、 压线块 1- 5与被测电缆 L紧密挤压在一起, 使得电力信息采集模块能够直接挂在被测电 缆 L上, 机电一体化的设计使得电力信息采集模块体积小, 安装方便。
[0039]参见图 2, 电源接入及电压采样单元 1包括: 压线支架 1-1、 压线支架转 轴 1-2、 旋紧压线支架固定件 1-3。 其中, 压线支架 1-1与压线支架转轴 1-2相 接, 紧压线支架固定件 1-3将电流采样单元上盖 2-1固定在模块底座上; 所述的 电流采样单元 2包括电流采样单元上盖 2-1、 电流采样上盖转轴 2-2。 其中, 电 流采样单元上盖 2-1与电流采样上盖转轴 2-2相接。 工作时, 压线支架 1-1可沿 压线支架转轴 1-2旋转, 电流采样单元上盖 2-1可沿电流采样上盖转轴 2-2旋 转。 打开压线支架 1-1和电流采样单元上盖 2-1即可将电力信息采集模块卡入到 被测电缆 L上, 旋紧压线支架固定件 1-3可以将压线支架 1-1和电流采样单元上 盖 2-1固定在模块底座 6上。
[0040]参见图 3A, 电源接入及电压采样单元 1, 还包括: 旋转压线螺钉 1-4、 压线块 1-5、 剌针 1-6和绝缘套 1-7。 其中, 旋转压线螺钉 1-4与压线块 1-5相 接, 剌针 1-6的针尖与被测电缆 L的绝缘层对应设置, 被测电缆 L的外围是绝 缘套 1-7。 工作时, 旋转压线螺钉 1-4, 推动压线块 1-5挤压被测电缆 L, 剌针
1- 6的针尖剌穿被测电缆 L的绝缘层与被测电缆 L的导电芯 M导通, 这样可将 被测电缆 L中的信号引入到电力信息采集模块中。 再通过从支路零线接线端口 5接入的零线信号, 实现给电力信息采集模块的电路板和采样芯片提供电力。 绝缘套 1-7为绝缘柔性材料, 与被测电缆 L挤压后, 和被测电缆 L的外绝缘层 紧密贴合, 起安全保护和固定作用, 同时在拆卸时可将剌针 1-6顶出电缆。
[0041]参见图 3B, 图 3B是图 3A中剌针的放大结构图, 剌针 1-6可以设置在绝 缘套 1-7上, 剌针 1-6也可以设置在压线块 1-5上, 剌针 1-6还可以同时设置在 绝缘套 1-7和压线块 1-5上。 剌针 1-6为电源接入及电压采样单元 1自带的尖端 机构, 剌针 1-6在外力的作用下 (例如, 旋转压线螺钉 1-4、 弹簧等施加的外 力) , 剌破被测电缆 L的绝缘层, 从而导致剌针 1-6与被测电缆 L的导电芯 M 接触, 可以采样被测电缆 L的电压, 并且也可以利用被测电缆 L上的电能给电 力信息采集模块供电。
[0042]参见图 4, 电流采样单元 2, 还包括: 闭合磁路的磁芯 2-3和采样芯片 2- 4。 工作时, 安装并固定在被测电缆 L上的电力信息采集模块的电流采集单元 2 中的磁芯 2-3形成闭合的磁路, 采样芯片 2-4通过磁芯 2-3感应被测电缆 L电流 变化引起的磁场变化实现电流采样, 亦即, 闭合磁路的磁芯 2-3和采样芯片 2-4 感应被测电缆 L电流变化引起的磁场变化, 从而实现电流采样。
[0043]电流采样单元 2接入被测电缆 L后, 直接将从被测电缆 L中感应到的电 流信号传递到电路板 4进行采样运算, 无需通过二次电流互感器后将感应到的 信号传递到电路板 4进行采集运算。
[0044]在绝缘套 1-7底部装有电缆温度检测元件 3, 用于检测电缆的表面温度。
[0045]剌针 1-6为导电材料, 其余与被测电缆 L相接触的部件 (如压线块 1-5、 剌针 1-7) 均为绝缘材料。
[0046]电源接入及电压采样单元 1和电流采样单元 2均采用开口式设计, 电源 接入及电压采样单元 1、 电流采样单元 2与模块底座 6共同完成对被测电缆 L 的夹持, 电压采样与电流采样上盖部分 (即压线支架 1-1和电流采样单元上盖
2- 1 ) 均可旋转打开, 打开后可以将电力信息采集模块从被测电缆 L上取下来。
[0047]压线块 1-5挤压电缆, 使剌针 1-6剌过电缆绝缘层与导电芯 M连接, 导 电的剌针 1-6将电压信号引入到模块底座中作为电力信息采集模块供电与电压 采样信号, 绝缘套 1-7起绝缘保护和防止压线螺钉 1-4松动以及拆卸起到弹顶的 作用。
[0048]电缆温度检测元件 3安装在模块底座 6中, 电缆温度检测元件 3和被测 电缆 L由绝缘套 1-7隔离, 这样既保证了电缆温度检测元件 3能测出被测电缆 L的表面温度, 又与被测电缆 L绝缘。 电缆温度检测元件 3将所监测到电缆温 度信息传送给电力信息采集模块内的电路板 4, 从而检测到被测电缆 L温度是 否在允许的范围内。
[0049]安装电力信息采集模块时, 与被测电缆 L接触的绝缘套 1-7和压线块 1-5 均由绝缘、 耐高压材料制成, 带电零件一剌针 1-6由绝缘套 1-7包裹, 在安装时 所有与安装人员接触的部位均与被测电缆 L绝缘, 所以可带电进行安装, 即在 安装电力信息采集模块的过程中, 分支回路无需断电。
[0050]以上所述仅为本发明示意性的具体实施方式, 在不脱离本发明的构思和 原则的前提下, 任何本领域的技术人员所做出的等同变化与修改, 均应属于本 发明保护的范围。

Claims

权利要求书
1.一体化小型智能电力信息采集模块, 其特征在于, 该电力信息采集模块 包括: 模块底座 (6) 、 设置于所述模块底座 (6) 上的电源接入及电压采样单 元 (1 ) , 以及与所述电源接入及电压采样单元 (1 ) 连接的电路板 (4) , 其中, 所述模块底座 (6) 和所述电源接入及电压采样单元 (1 ) 共同夹持 被测电缆 (L) 从而使电力信息采集模块卡接在被测电缆 (L) 上,
所述电源接入及电压采样单元 (1 ) 用于采样被测电缆 (L) 的电压。
2.如权利要求 1所述的一体化小型智能电力信息采集模块, 其特征在于, 所述电源接入及电压采样单元 (1 ) 通过剌针结构剌穿被测电缆 (L) 的绝缘 层, 从而采样被测电缆 (L) 的导电芯 (M) 的电压。
3.如权利要求 2所述的一体化小型智能电力信息采集模块, 其特征在于, 所述剌针结构进一步包括:
剌针 (1-6) , 用于剌穿被测电缆 (L) 的绝缘层从而与被测电缆 (L) 的 导电芯 (M) 连接; 以及
压线块 (1-5) , 用于按压所述剌针 (1-6) 以使所述剌针 (1-6) 剌穿被测 电缆 (L) 的绝缘层。
4.如权利要求 3所述的一体化小型智能电力信息采集模块, 其特征在于, 所述剌针结构还包括:
旋转压线螺钉 (1-4) , 用于推动所述压线块 (1-5) 挤压所述剌针 (1-6) 穿透被测电缆 (L) 的绝缘层。
5.如权利要求 3所述的一体化小型智能电力信息采集模块, 其特征在于, 所述剌针 (1-6) 设置于所述压线块 (1-5) 上。
6.如权利要求 3所述的一体化小型智能电力信息采集模块, 其特征在于, 所述压线块 (1-5) 由绝缘材料制成。
7.如权利要求 3所述的一体化小型智能电力信息采集模块, 其特征在于, 所述电源接入及电压采样单元 (1 ) 还包括:
绝缘套 (1-7 ) , 与所述压线块 (1-5 ) 相对于被测电缆 (L) 设置, 用于 防止所述剌针 (1-6) 上的电流泄露。
8.如权利要求 7所述的一体化小型智能电力信息采集模块, 其特征在于, 所述剌针 (1-6) 设置于所述绝缘套 (1-7) 上。
9.如权利要求 3所述的一体化小型智能电力信息采集模块, 其特征在于, 该电力信息采集模块还包括:
与所述电路板 (4) 连接的支路零线接线端口 (5) , 设置于所述模块底座
( 6 ) 中, 用于接入支路零线 (Z ) 从而利用被测电缆 (L ) 给所述电路板 (4) 供电。
10.如权利要求 1 所述的一体化小型智能电力信息采集模块, 其特征在 于, 该电力信息采集模块还包括: 设置于所述模块底座 (6) 上并与所述电路 板 (4) 连接的电流采样单元 (2) , 其中,
所述电流采样单元 (2 ) 进一步包括采样芯片 (2-4 ) 和环绕被测电缆 ( L) 设置并且磁路闭合的磁芯 (2-3 ) , 所述磁芯 (2-3 ) 和所述采样芯片 (2-4) 感应被测电缆 (L) 电流变化引起的磁场变化, 从而实现电流采样。
11.如权利要求 10所述的一体化小型智能电力信息采集模块, 其特征在 于, 所述电源接入及电压采样单元 (1 ) 和所述电流采样单元 (2) 均与所述模 块底座 (6 ) 形成开口式结构, 以便将电力信息采集模块夹持在被测电缆 (L) 上或者从被测电缆 (L) 上取下来。
12.如权利要求 11所述的一体化小型智能电力信息采集模块, 其特征在 于, 所述电源接入及电压采样单元 (1 ) 还包括:
压线支架转轴 (1-2) , 设置于所述模块底座 (6) 上;
压线支架 (1-1 ) , 与所述压线支架转轴 (1-2) 连接, 用于以所述压线支 架转轴 (1-2) 为旋转轴打开, 以便夹持被测电缆 (L) ; 以及
旋转压线支架固定件 (1-3 ) , 用于将所述压线支架 (1-1 ) 的活动端固定 在所述模块底座 (6) 上从而实现对被测电缆 (L) 的夹持。
13.如权利要求 12所述的一体化小型智能电力信息采集模块, 其特征在 于, 所述电流采样单元 (2) 还包括:
电流采样上盖转轴 (2-2) , 设置于所述模块底座 (6) 上; 以及 电流采样单元上盖 (2-1 ) , 与所述电流采样上盖转轴 (2-2) 连接, 用于 以所述电流采样上盖转轴 (2-2) 为旋转轴打开, 以便夹持被测电缆 (L) , 其中, 所述压线支架 (1-1) 还用于按压所述电流采样单元上盖 (2-1) 从 而将所述电流采样单元上盖 (2-1) 的活动端固定在所述模块底座 (6) 上, 以 便所述电流采样单元 (2) 夹持被测电缆 (L) 。
14.如权利要求 1 所述的一体化小型智能电力信息采集模块, 其特征在 于, 该电力信息采集模块还包括:
与所述电路板 (4) 连接的电缆温度检测元件 (3) , 设置于被测电缆 (L) 底部, 用于检测被测电缆 (L) 的表面温度。
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