WO2020186708A1 - 一种数字无线检测变换器及输电线路监测设备 - Google Patents

一种数字无线检测变换器及输电线路监测设备 Download PDF

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Publication number
WO2020186708A1
WO2020186708A1 PCT/CN2019/105668 CN2019105668W WO2020186708A1 WO 2020186708 A1 WO2020186708 A1 WO 2020186708A1 CN 2019105668 W CN2019105668 W CN 2019105668W WO 2020186708 A1 WO2020186708 A1 WO 2020186708A1
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signal
voltage
circuit
wireless
transmission line
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PCT/CN2019/105668
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English (en)
French (fr)
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张敬敏
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山东光韵智能科技有限公司
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Publication of WO2020186708A1 publication Critical patent/WO2020186708A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Definitions

  • the present disclosure belongs to the field of electronic equipment, and in particular relates to a digital wireless detection converter and power transmission line monitoring equipment.
  • the first aspect of the present disclosure provides a digital wireless detection converter, which has the effects of convenient wiring and strong anti-interference ability.
  • a digital wireless detection converter includes: a high-voltage acquisition module, which is arranged on the high-voltage side of a transmission line; the high-voltage acquisition module includes a plurality of independently working current signal acquisition circuits, the The number of current signal acquisition circuits is equal to the number of phase sequences on the high-voltage side of the transmission line; each current signal acquisition circuit is correspondingly connected to a wireless signal transmission circuit, and the current signal acquisition circuit is configured to collect the corresponding phase sequence on the high-voltage side of the transmission line.
  • a current signal, the wireless signal transmitting circuit is configured to wirelessly send the corresponding current signal to the low-voltage signal processing module;
  • the low-voltage signal processing module is arranged on the low-voltage side of the power transmission line; the low-voltage signal processing module includes a processor connected to a plurality of wireless signal receiving circuits, and the number of the wireless signal receiving circuits is the same as that of the wireless signal transmitting circuits
  • the wireless signal receiving circuit is configured to correspondingly wirelessly receive signals transmitted by the wireless signal transmitting circuit
  • the processor is configured to combine the received current signals of each phase sequence into a current signal on the high voltage side of the transmission line and Output.
  • a digital wireless detection converter includes:
  • a high-voltage acquisition module which is arranged on the high-voltage side of the transmission line; the high-voltage acquisition module includes several independently working voltage signal acquisition circuits, the number of the voltage signal acquisition circuits is equal to the number of phase sequences on the high-voltage side of the transmission line; each The voltage signal acquisition circuit is correspondingly connected to a wireless signal transmission circuit, the voltage signal acquisition circuit is configured to collect the voltage signal of the corresponding phase sequence on the high voltage side of the transmission line, and the wireless signal transmission circuit is configured to transmit the corresponding voltage signal through the wireless signal. Send to the low-voltage signal processing module in a way;
  • the low-voltage signal processing module is arranged on the low-voltage side of the power transmission line; the low-voltage signal processing module includes a processor connected to a plurality of wireless signal receiving circuits, and the number of the wireless signal receiving circuits is the same as that of the wireless signal transmitting circuits
  • the wireless signal receiving circuit is configured to wirelessly receive signals transmitted by the wireless signal transmitting circuit, and the processor is configured to combine the received voltage signals of each phase sequence into a voltage signal on the high voltage side of the transmission line and Output.
  • a digital wireless detection converter includes:
  • the high-voltage acquisition module is arranged on the high-voltage side of the transmission line; the high-voltage acquisition module includes a number of independently working current signal acquisition circuits and voltage signal acquisition circuits, and the number of the current signal acquisition circuits and the number of voltage signal acquisition circuits are equal
  • the number of phase sequences is equal to that on the high-voltage side of the transmission line; each current signal acquisition circuit and voltage signal acquisition circuit are respectively connected to a wireless signal transmission circuit, and the current signal acquisition circuit is configured to collect the corresponding phase sequence on the high-voltage side of the transmission line.
  • a current signal, the voltage signal acquisition circuit is configured to collect the voltage signal of the corresponding phase sequence on the high voltage side of the transmission line, and the wireless signal transmission circuit is configured to wirelessly send the corresponding current signal or voltage signal to the low voltage signal processing module ;
  • the low-voltage signal processing module is arranged on the low-voltage side of the power transmission line; the low-voltage signal processing module includes a processor connected to a plurality of wireless signal receiving circuits, and the number of the wireless signal receiving circuits is the same as that of the wireless signal transmitting circuits
  • the wireless signal receiving circuit is configured to correspondingly wirelessly receive the signal transmitted by the wireless signal transmitting circuit
  • the processor is configured to correspondingly merge the received current signal and voltage signal of each phase sequence into a transmission line
  • the high-voltage side current signal and the high-voltage side voltage signal of the transmission line are also output.
  • the second aspect of the present disclosure provides a power transmission line monitoring device.
  • a power transmission line monitoring equipment includes any of the above-mentioned digital wireless detection converters.
  • the digital wireless detection converter of the present disclosure includes a high-voltage acquisition module and a low-voltage signal processing module.
  • the high-voltage acquisition module is arranged on the high-voltage side of the transmission line
  • the low-voltage signal processing module is arranged on the low-voltage side of the transmission line.
  • the signal processing modules use wireless data transmission, which can be fixed to facilitate fault finding, and can replace the iron core transformer to facilitate wiring.
  • the high-voltage acquisition module of the present disclosure has a built-in backup battery, and the power of the high-voltage acquisition module is supplied wirelessly by a low-voltage loop, which improves the working efficiency of the high-voltage acquisition module.
  • FIG. 1 is a schematic structural diagram of a digital wireless detection converter provided in Embodiment 1 of the present disclosure
  • Fig. 2 is a schematic structural diagram of a digital wireless detection converter provided in Embodiment 2 of the present disclosure.
  • a digital wireless detection converter of this embodiment includes:
  • the high-voltage acquisition module is arranged on the high-voltage side of the transmission line; the high-voltage acquisition module includes several independently working current signal acquisition circuits, and the number of the current signal acquisition circuits is equal to the number of phase sequences on the high-voltage side of the transmission line;
  • the phase sequence of the high-voltage side of the transmission line shown in 1 includes three phase lines: A-phase, B-phase, and C-phase.
  • the number of current signal acquisition circuits can be freely set according to actual detection requirements.
  • Each current signal acquisition circuit is correspondingly connected to a wireless signal transmission circuit, the current signal acquisition circuit is configured to collect the current signal of the corresponding phase sequence on the high voltage side of the transmission line, and the wireless signal transmission circuit is configured to transmit the corresponding current signal Send to the low-voltage signal processing module wirelessly;
  • the low-voltage signal processing module is arranged on the low-voltage side of the power transmission line; the low-voltage signal processing module includes a processor connected to a plurality of wireless signal receiving circuits, and the number of the wireless signal receiving circuits is the same as that of the wireless signal transmitting circuits
  • the wireless signal receiving circuit is configured to correspondingly wirelessly receive signals transmitted by the wireless signal transmitting circuit
  • the processor is configured to combine the received current signals of each phase sequence into a current signal on the high voltage side of the transmission line and Output.
  • the process in which the processor combines the received current signals of each phase sequence into a current signal on the high voltage side of the transmission line is as follows:
  • the vector accumulates all current digital signals of the same sampling time of the phase sequence, and merges them into the high-voltage side current signal of the transmission line.
  • the current signal acquisition circuit includes a current sensor and a D/A converter.
  • the current sensor is used to collect the current signal of the corresponding phase sequence on the high-voltage side of the transmission line and transmit it to the D/A converter.
  • the D/A converter The converter converts the received digital current signal into an analog signal.
  • An A/D converter is connected in series between the processor and the wireless signal receiving circuit, and the A/D converter is used to convert the analog signal received by the wireless signal receiving circuit into a digital signal and transmit it to the processor for processing .
  • the digital wireless detection converter of this embodiment realizes the infinitely adjustable ratio of the current signal collection.
  • the low-voltage signal processing module further includes a power supply circuit, the power supply circuit is also connected to a wireless energy transmission circuit, and the wireless energy transmission circuit is used to send the power supply signal output by the power supply circuit to the high-voltage acquisition module;
  • the high-voltage acquisition module further includes a wireless energy receiving circuit, and the wireless energy receiving circuit is used to receive the power signal output by the power circuit and supply power to the high-voltage acquisition module.
  • the structure of the power supply circuit is an existing structure, and will not be repeated here.
  • the wireless energy transmitting circuit includes a signal generating circuit, which is connected to a power supply circuit; the signal generating circuit is used to generate a square wave signal with an adjustable duty cycle, which is driven by a driving circuit to provide a power amplifier circuit
  • the power amplifier circuit is connected to a transmitting coil, and the transmitting coil is used to transmit the excitation signal.
  • the structure of the signal generating circuit can be realized by using an existing structure.
  • the wireless energy receiving circuit includes a receiving coil, and the receiving coil is used to receive the excitation signal and output a corresponding voltage signal after being rectified by the rectifying filter circuit.
  • circuit structure of the wireless energy transmitting circuit and the wireless energy receiving circuit is not limited to the structure of the current embodiment, and can realize the wireless energy transmitting and receiving functions respectively, which does not affect the overall structure of the entire digital antenna converter And its performance.
  • the high-voltage acquisition module further includes a backup battery, and the backup battery provides backup power for the high-voltage acquisition module.
  • the high-voltage acquisition module further includes a solar panel, and the solar panel provides backup power for the high-voltage acquisition module.
  • the wireless signal transmitting circuit includes a wireless transmitting chip and a transmitting antenna, and the wireless transmitting chip is used to modulate a signal to be transmitted into a signal of a corresponding frequency and send it out via the transmitting antenna.
  • the wireless signal receiving circuit includes a receiving antenna and a signal demodulator.
  • the receiving antenna is used to receive the signal transmitted by the transmitting antenna, and transmit it to the signal demodulator for demodulation, and then to the processor for demodulation. Signal combined processing.
  • signal transmission and energy transmission on the high and low voltage sides can also be correspondingly transmitted by photoelectric digital circuits.
  • a photoelectric receiving device such as solar panels
  • a light-emitting device such as a laser lamp
  • circuit structure of the wireless signal transmitting circuit and the wireless signal receiving circuit is not limited to the structure of the current embodiment, and can realize the wireless signal transmitting and receiving functions respectively, which does not affect the whole digital antenna converter. Structure and performance.
  • a digital wireless detection converter of this embodiment includes:
  • the high-voltage acquisition module is arranged on the high-voltage side of the transmission line; the high-voltage acquisition module includes several independently working voltage signal acquisition circuits, and the number of the voltage signal acquisition circuits is equal to the number of phase sequences on the high-voltage side of the transmission line;
  • the phase sequence of the high-voltage side of the transmission line shown in 2 includes three phase lines of phase A, phase B and phase C.
  • the number of voltage signal acquisition circuits can be freely set according to actual detection requirements.
  • Each voltage signal acquisition circuit is correspondingly connected to a wireless signal transmission circuit, the voltage signal acquisition circuit is configured to collect the voltage signal of the corresponding phase sequence on the high voltage side of the transmission line, and the wireless signal transmission circuit is configured to transmit the corresponding voltage signal Send to the low-voltage signal processing module wirelessly;
  • the low-voltage signal processing module is arranged on the low-voltage side of the power transmission line; the low-voltage signal processing module includes a processor connected to a plurality of wireless signal receiving circuits, and the number of the wireless signal receiving circuits is the same as that of the wireless signal transmitting circuits
  • the wireless signal receiving circuit is configured to wirelessly receive signals transmitted by the wireless signal transmitting circuit, and the processor is configured to combine the received voltage signals of each phase sequence into a voltage signal on the high voltage side of the transmission line and Output.
  • the process in which the processor combines the received voltage signals of each phase sequence into a voltage signal on the high voltage side of the transmission line is as follows:
  • the vector accumulates all the voltage digital signals of the same sampling time of the phase sequence and merges them into the high voltage side voltage signal of the transmission line.
  • the voltage signal acquisition circuit includes a voltage sensor and a D/A converter.
  • the voltage sensor is used to collect the voltage signal of the corresponding phase sequence on the high voltage side of the transmission line and transmit it to the D/A converter.
  • the D/A converter The converter converts the received digital voltage signal into an analog signal.
  • An A/D converter is connected in series between the processor and the wireless signal receiving circuit, and the A/D converter is used to convert the analog signal received by the wireless signal receiving circuit into a digital signal and transmit it to the processor for processing .
  • the digital wireless detection converter of this embodiment realizes the stepless adjustment of the voltage signal acquisition ratio.
  • the low-voltage signal processing module further includes a power supply circuit, the power supply circuit is also connected to a wireless energy transmission circuit, and the wireless energy transmission circuit is used to send the power supply signal output by the power supply circuit to the high-voltage acquisition module;
  • the high-voltage acquisition module further includes a wireless energy receiving circuit, and the wireless energy receiving circuit is used to receive the power signal output by the power circuit and supply power to the high-voltage acquisition module.
  • the structure of the power supply circuit is an existing structure, and will not be repeated here.
  • the wireless energy transmitting circuit includes a signal generating circuit, which is connected to a power supply circuit; the signal generating circuit is used to generate a square wave signal with an adjustable duty cycle, which is driven by a driving circuit to provide a power amplifier circuit
  • the power amplifier circuit is connected to a transmitting coil, and the transmitting coil is used to transmit the excitation signal.
  • the structure of the signal generating circuit can be realized by using an existing structure.
  • the wireless energy receiving circuit includes a receiving coil, and the receiving coil is used to receive the excitation signal and output a corresponding voltage signal after being rectified by the rectifying filter circuit.
  • circuit structure of the wireless energy transmitting circuit and the wireless energy receiving circuit is not limited to the structure of the current embodiment, and can realize the wireless energy transmitting and receiving functions respectively, which does not affect the overall structure of the entire digital antenna converter And its performance.
  • the high-voltage acquisition module further includes a backup battery, and the backup battery provides backup power for the high-voltage acquisition module.
  • the high-voltage acquisition module further includes a solar panel, and the solar panel provides backup power for the high-voltage acquisition module.
  • the wireless signal transmitting circuit includes a wireless transmitting chip and a transmitting antenna, and the wireless transmitting chip is used to modulate a signal to be transmitted into a signal of a corresponding frequency and send it out via the transmitting antenna.
  • the wireless signal receiving circuit includes a receiving antenna and a signal demodulator.
  • the receiving antenna is used to receive the signal transmitted by the transmitting antenna, and transmit it to the signal demodulator for demodulation, and then to the processor for demodulation. Signal combined processing.
  • signal transmission and energy transmission on the high and low voltage sides can also be correspondingly transmitted by photoelectric digital circuits.
  • a photoelectric receiving device such as solar panels
  • a light-emitting device such as a laser lamp
  • circuit structure of the wireless signal transmitting circuit and the wireless signal receiving circuit is not limited to the structure of the current embodiment, and can realize the wireless signal transmitting and receiving functions respectively, which does not affect the whole digital antenna converter. Structure and performance.
  • the high-voltage acquisition module is arranged on the high-voltage side of the transmission line; the high-voltage acquisition module includes a number of independently working current signal acquisition circuits and voltage signal acquisition circuits, and the number of the current signal acquisition circuits and the number of voltage signal acquisition circuits are equal
  • the number of phase sequences is equal to that on the high-voltage side of the transmission line; each current signal acquisition circuit and voltage signal acquisition circuit are respectively connected to a wireless signal transmission circuit, and the current signal acquisition circuit is configured to collect the corresponding phase sequence on the high-voltage side of the transmission line.
  • a current signal, the voltage signal acquisition circuit is configured to collect the voltage signal of the corresponding phase sequence on the high voltage side of the transmission line, and the wireless signal transmission circuit is configured to wirelessly send the corresponding current signal or voltage signal to the low voltage signal processing module ;
  • the low-voltage signal processing module is arranged on the low-voltage side of the power transmission line; the low-voltage signal processing module includes a processor connected to a plurality of wireless signal receiving circuits, and the number of the wireless signal receiving circuits is the same as that of the wireless signal transmitting circuits
  • the wireless signal receiving circuit is configured to correspondingly wirelessly receive the signal transmitted by the wireless signal transmitting circuit
  • the processor is configured to correspondingly merge the received current signal and voltage signal of each phase sequence into a transmission line
  • the high-voltage side current signal and the high-voltage side voltage signal of the transmission line are also output.
  • the process in which the processor combines the received current signals of each phase sequence into a current signal on the high voltage side of the transmission line is as follows:
  • the vector accumulates all current digital signals of the same sampling time of the phase sequence, and merges them into the high-voltage side current signal of the transmission line.
  • the process in which the processor combines the received voltage signals of each phase sequence into a voltage signal on the high voltage side of the transmission line is as follows:
  • the vector accumulates all the voltage digital signals of the same sampling time of the phase sequence and merges them into the high voltage side voltage signal of the transmission line.
  • the number of current signal acquisition circuits and voltage signal acquisition circuits can be freely set according to actual detection requirements.
  • the current signal acquisition circuit includes a current sensor and a first D/A converter.
  • the current sensor is used to collect the current signal of the corresponding phase sequence on the high voltage side of the transmission line and transmit it to the first D/A converter.
  • the first D/A converter converts the received digital current signal into an analog signal.
  • a first A/D converter is connected in series between the processor and the wireless signal receiving circuit, and the first A/D converter is used to convert the analog signal received by the wireless signal receiving circuit into a digital signal and transmit it to the processing unit. Processing in the device.
  • the digital wireless detection converter of this embodiment realizes the infinitely adjustable ratio of the current signal collection.
  • the voltage signal acquisition circuit includes a voltage sensor and a second D/A converter.
  • the voltage sensor is used to collect the voltage signal of the corresponding phase sequence on the high-voltage side of the transmission line and transmit it to the second D/A converter.
  • the second D/A converter converts the received digital voltage signal into an analog signal.
  • a second A/D converter is connected in series between the processor and the wireless signal receiving circuit, and the second A/D converter is used to convert the analog signal received by the wireless signal receiving circuit into a digital signal and transmit it to the processing unit. Processing in the device.
  • the digital wireless detection converter of this embodiment realizes the stepless adjustment of the voltage signal acquisition ratio.
  • the low-voltage signal processing module further includes a power supply circuit, the power supply circuit is also connected to a wireless energy transmission circuit, and the wireless energy transmission circuit is used to send the power supply signal output by the power supply circuit to the high-voltage acquisition module;
  • the high-voltage acquisition module further includes a wireless energy receiving circuit, and the wireless energy receiving circuit is used to receive the power signal output by the power circuit and supply power to the high-voltage acquisition module.
  • the structure of the power supply circuit is an existing structure, and will not be repeated here.
  • the wireless energy transmitting circuit includes a signal generating circuit, which is connected to a power supply circuit; the signal generating circuit is used to generate a square wave signal with an adjustable duty cycle, which is driven by a driving circuit to provide a power amplifier circuit
  • the power amplifier circuit is connected to a transmitting coil, and the transmitting coil is used to transmit the excitation signal.
  • the structure of the signal generating circuit can be realized by using an existing structure.
  • the wireless energy receiving circuit includes a receiving coil, and the receiving coil is used to receive the excitation signal and output a corresponding voltage signal after being rectified by the rectifying filter circuit.
  • circuit structure of the wireless energy transmitting circuit and the wireless energy receiving circuit is not limited to the structure of the current embodiment, and can realize the wireless energy transmitting and receiving functions respectively, which does not affect the overall structure of the entire digital antenna converter And its performance.
  • the high-voltage acquisition module further includes a backup battery, and the backup battery provides backup power for the high-voltage acquisition module.
  • the high-voltage acquisition module further includes a solar panel, and the solar panel provides backup power for the high-voltage acquisition module.
  • the wireless signal transmitting circuit includes a wireless transmitting chip and a transmitting antenna, and the wireless transmitting chip is used to modulate a signal to be transmitted into a signal of a corresponding frequency and send it out via the transmitting antenna.
  • the wireless signal receiving circuit includes a receiving antenna and a signal demodulator.
  • the receiving antenna is used to receive the signal transmitted by the transmitting antenna, and transmit it to the signal demodulator for demodulation, and then to the processor for demodulation. Signal combined processing.
  • signal transmission and energy transmission on the high and low voltage sides can also be correspondingly transmitted by photoelectric digital circuits.
  • a photoelectric receiving device such as solar panels
  • a light-emitting device such as a laser lamp
  • circuit structure of the wireless signal transmitting circuit and the wireless signal receiving circuit is not limited to the structure of the current embodiment, and can realize the wireless signal transmitting and receiving functions respectively, which does not affect the whole digital antenna converter. Structure and performance.
  • Embodiment 4 provides a transmission line monitoring device, which includes the digital wireless detection converter described in any of the above embodiments.
  • the digital wireless detection converter of the present disclosure includes a high-voltage acquisition module and a low-voltage signal processing module.
  • the high-voltage acquisition module is arranged on the high-voltage side of the transmission line
  • the low-voltage signal processing module is arranged on the low-voltage side of the transmission line.
  • the signal processing modules use wireless data transmission, which can be fixed to facilitate fault finding, and can replace the iron core transformer to facilitate wiring.
  • the high-voltage acquisition module of the present disclosure has a built-in backup battery, and the power of the high-voltage acquisition module is supplied wirelessly by a low-voltage loop, which improves the working efficiency of the high-voltage acquisition module.

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Abstract

一种数字无线检测变换器及输电线路监测设备。其中，数字无线检测变换器包括：高压采集模块，其包括若干个独立工作的电流信号采集电路，电流信号采集电路的数量与输电线路高压侧的相序（A，B，C）数量相等；每个电流信号采集电路与一个无线信号发射电路对应相连，无线信号发射电路被配置为将相应的电流信号通过无线方式发送至低压信号处理模块；低压信号处理模块包括处理器，处理器与若干个无线信号接收电路相连，无线信号接收电路的数量与无线信号发射电路的数量相等；无线信号接收电路被配置为无线接收相应无线信号发射电路发射的信号，处理器被配置为将接收到的各个相序（A，B，C）的电流信号合并成输电线路高压侧电流信号并输出。

Description

一种数字无线检测变换器及输电线路监测设备 技术领域
本公开属于电子设备领域，尤其涉及一种数字无线检测变换器及输电线路监测设备。
 背景技术
本部分的陈述仅仅是提供了与本公开相关的背景技术信息，不必然构成在先技术。发明人发现，铁芯式电压互感器和电流互感器由于计量精度要求承受故障高压能力差，在电气设备回路中容易发生短路及击穿事故.
 技术问题
当线路接地故障时，没有接地的相线电压升高，容易击穿铁芯式电压互感器；当线路故障产生大电流时，铁芯式电流互感器由于铁芯磁通饱和存在误差。
 技术解决方案
了解决上述问题，本公开的第一方面提供了一种数字无线检测变换器，其具有接线方便且抗干扰能力强的效果。
本公开的第一方面的数字无线检测变换器的技术方案为：
在一个或多个实施例中，一种数字无线检测变换器，包括：高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电流信号采集电路，所述电流信号采集电路的数量与输电线路高压侧的相序数量相等；每个电流信号采集电路与一个无线信号发射电路对应相连，所述电流信号采集电路被配置为采集输电线路高压侧相应相序的电流信号，所述无线信号发射电路被配置为将相应的电流信号通过无线方式发送至低压信号处理模块；
低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电流信号合并成输电线路高压侧电流信号并输出。
在一个或多个实施例中，一种数字无线检测变换器，包括：
高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电压信号采集电路，所述电压信号采集电路的数量与输电线路高压侧的相序数量相等；每个电压信号采集电路与一个无线信号发射电路对应相连，所述电压信号采集电路被配置为采集输电线路高压侧相应相序的电压信号，所述无线信号发射电路被配置为将相应的电压信号通过无线方式发送至低压信号处理模块；
低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电压信号合并成输电线路高压侧电压信号并输出。
在一个或多个实施例中，一种数字无线检测变换器，包括：
高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电流信号采集电路和电压信号采集电路，所述电流信号采集电路的数量和电压信号采集电路的数量均与输电线路高压侧的相序数量相等；每个电流信号采集电路和电压信号采集电路分别与一个无线信号发射电路对应相连，所述电流信号采集电路被配置为采集输电线路高压侧相应相序的电流信号，所述电压信号采集电路被配置为采集输电线路高压侧相应相序的电压信号，所述无线信号发射电路被配置为将相应的电流信号或电压信号通过无线方式发送至低压信号处理模块；
低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电流信号和电压信号分别对应合并成输电线路高压侧电流信号和输电线路高压侧电压信号并输出。
为了解决上述问题，本公开的第二方面提供了一种输电线路监测设备。
本公开的第二方面的一种输电线路监测设备的技术方案为：
一种输电线路监测设备，包括上述任一所述的数字无线检测变换器。
 有益效果
本公开的有益效果是：
（1）本公开的数字无线检测变换器，包括高压采集模块和低压信号处理模块，高压采集模块设置于输电线路的高压侧，低压信号处理模块设置于输电线路的低压侧，高压采集模块和低压信号处理模块之间通过无线方式数据传输，这样能定置方便故障查找，又能实现替换铁芯式互感器方便接线。
（2）本公开的高压采集模块本身内置备用电池，高压采集模块的电源由低压回路无线方式供给，提高了高压采集模块的工作效率。
 附图说明
构成本公开的一部分的说明书附图用来提供对本公开的进一步理解，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。
图1是本公开实施例1提供的数字无线检测变换器的结构示意图；
图2是本公开实施例2提供的数字无线检测变换器的结构示意图。
 本发明的最佳实施方式
具体实施方式应该指出，以下详细说明都是例示性的，旨在对本公开提供进一步的说明。除非另有指明，本文使用的所有技术和科学术语具有与本公开所属技术领域的普通技术人员通常理解的相同含义。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本公开的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
实施例1
如图1所示，本实施例的一种数字无线检测变换器，包括：
高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电流信号采集电路，所述电流信号采集电路的数量与输电线路高压侧的相序数量相等；如图1所示的输电线路高压侧的相序包括A相、B相和C相这三条相线。
其中，电流信号采集电路的数量可依据实际检测需求自由设定。
每个电流信号采集电路与一个无线信号发射电路对应相连，所述电流信号采集电路被配置为采集输电线路高压侧相应相序的电流信号，所述无线信号发射电路被配置为将相应的电流信号通过无线方式发送至低压信号处理模块；
低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电流信号合并成输电线路高压侧电流信号并输出。
在具体实施中，处理器将接收到的各个相序的电流信号合并成输电线路高压侧电流信号的过程为：
对接收到的数字信号及其对应的采样时间关联存储；
矢量累加所有相序的相同采样时间的电流数字信号，合并成输电线路高压侧电流信号。
在具体实施中，电流信号采集电路包括电流传感器和D/A转换器，电流传感器用于采集输电线路高压侧相应相序的电流信号，并传送至D/A转换器，所述D/A转换器将接收到的数字电流信号转化为模拟信号。
所述处理器与无线信号接收电路之间串接有A/D转换器，所述A/D转换器用于将无线信号接收电路接收到的模拟信号转化为数字信号并传送至处理器中进行处理。
本实施例的数字无线检测变换器，实现了电流信号采集的变比无极可调。
在可选实施例中，所述低压信号处理模块还包括电源电路，所述电源电路还与无线能量发射电路相连，无线能量发射电路用于将电源电路输出的电源信号发送至高压采集模块；
所述高压采集模块还包括无线能量接收电路，所述无线能量接收电路用于接收电源电路输出的电源信号并为高压采集模块供电。
具体地，电源电路的结构为现有结构，此处不再累述。
在具体实施中，所述无线能量发射电路包括信号发生电路，其与电源电路相连；所述信号发生电路用于产生占空比可调的方波信号，并经驱动电路驱动后为功放电路提供激励信号，所述功放电路与发射线圈相连，所述发射线圈用于将激励信号发射出去。
其中，信号发生电路的结构可采用现有结构来实现。
在具体实施中，所述无线能量接收电路包括接收线圈，所述接收线圈用于接收激励信号并经整流滤波电路整流后输出相应电压信号。
需要说明的是，无线能量发射电路和无线能量接收电路的电路结构形式不限于当前实施例的结构，分别可实现无线能量发射及接收功能即可，这样并不影响整个数字天线变换器的整体结构及其性能。
在可选实施例中，所述高压采集模块还包括备用电池，所述备用电池为高压采集模块提供备用电能。
在可选实施例中，所述高压采集模块还包括太阳能电池板，所述太阳能电池板为高压采集模块提供备用电能。
在具体实施中，所述无线信号发射电路包括无线发射芯片及发射天线，所述无线发射芯片用于将待发射的信号调制成相应频率的信号并经发射天线发出。
在具体实施中，所述无线信号接收电路包括接收天线和信号解调器，所述接收天线用于接收发射天线发射的信号，并传送至信号解调器进行解调，再传送至处理器进行信号合并处理。
在其他实施例中，高低压侧的信号传输以及能量传输也可以采用光电数字电路对应传输。
例如：高压侧安装光电接收装置（如太阳能电池板），低压侧安装光源发射装置（如激光灯），实现电源无线传输的同时保证高低压绝缘，同时增加电路抗干扰能力。
需要说明的是，无线信号发射电路和无线信号接收电路的电路结构形式不限于当前实施例的结构，分别可实现无线信号的发射及接收功能即可，这样并不影响整个数字天线变换器的整体结构及其性能。
实施例2
如图2所示，本实施例的一种数字无线检测变换器，包括：
高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电压信号采集电路，所述电压信号采集电路的数量与输电线路高压侧的相序数量相等；如图2所示的输电线路高压侧的相序包括A相、B相和C相这三条相线。
其中，电压信号采集电路的数量可依据实际检测需求自由设定。
每个电压信号采集电路与一个无线信号发射电路对应相连，所述电压信号采集电路被配置为采集输电线路高压侧相应相序的电压信号，所述无线信号发射电路被配置为将相应的电压信号通过无线方式发送至低压信号处理模块；
低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电压信号合并成输电线路高压侧电压信号并输出。
在具体实施中，处理器将接收到的各个相序的电压信号合并成输电线路高压侧电压信号的过程为：
对接收到的数字信号及其对应的采样时间关联存储；
矢量累加所有相序的相同采样时间的电压数字信号，合并成输电线路高压侧电压信号。
在具体实施中，电压信号采集电路包括电压传感器和D/A转换器，电压传感器用于采集输电线路高压侧相应相序的电压信号，并传送至D/A转换器，所述D/A转换器将接收到的数字电压信号转化为模拟信号。
所述处理器与无线信号接收电路之间串接有A/D转换器，所述A/D转换器用于将无线信号接收电路接收到的模拟信号转化为数字信号并传送至处理器中进行处理。
本实施例的数字无线检测变换器，实现了电压信号采集的变比无极可调。
在可选实施例中，所述低压信号处理模块还包括电源电路，所述电源电路还与无线能量发射电路相连，无线能量发射电路用于将电源电路输出的电源信号发送至高压采集模块；
所述高压采集模块还包括无线能量接收电路，所述无线能量接收电路用于接收电源电路输出的电源信号并为高压采集模块供电。
具体地，电源电路的结构为现有结构，此处不再累述。
在具体实施中，所述无线能量发射电路包括信号发生电路，其与电源电路相连；所述信号发生电路用于产生占空比可调的方波信号，并经驱动电路驱动后为功放电路提供激励信号，所述功放电路与发射线圈相连，所述发射线圈用于将激励信号发射出去。
其中，信号发生电路的结构可采用现有结构来实现。
在具体实施中，所述无线能量接收电路包括接收线圈，所述接收线圈用于接收激励信号并经整流滤波电路整流后输出相应电压信号。
需要说明的是，无线能量发射电路和无线能量接收电路的电路结构形式不限于当前实施例的结构，分别可实现无线能量发射及接收功能即可，这样并不影响整个数字天线变换器的整体结构及其性能。
在可选实施例中，所述高压采集模块还包括备用电池，所述备用电池为高压采集模块提供备用电能。
在可选实施例中，所述高压采集模块还包括太阳能电池板，所述太阳能电池板为高压采集模块提供备用电能。
在具体实施中，所述无线信号发射电路包括无线发射芯片及发射天线，所述无线发射芯片用于将待发射的信号调制成相应频率的信号并经发射天线发出。
在具体实施中，所述无线信号接收电路包括接收天线和信号解调器，所述接收天线用于接收发射天线发射的信号，并传送至信号解调器进行解调，再传送至处理器进行信号合并处理。
在其他实施例中，高低压侧的信号传输以及能量传输也可以采用光电数字电路对应传输。
例如：高压侧安装光电接收装置（如太阳能电池板），低压侧安装光源发射装置（如激光灯），实现电源无线传输的同时保证高低压绝缘，同时增加电路抗干扰能力。
需要说明的是，无线信号发射电路和无线信号接收电路的电路结构形式不限于当前实施例的结构，分别可实现无线信号的发射及接收功能即可，这样并不影响整个数字天线变换器的整体结构及其性能。
实施例3
本实施例的一种数字无线检测变换器，包括：
高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电流信号采集电路和电压信号采集电路，所述电流信号采集电路的数量和电压信号采集电路的数量均与输电线路高压侧的相序数量相等；每个电流信号采集电路和电压信号采集电路分别与一个无线信号发射电路对应相连，所述电流信号采集电路被配置为采集输电线路高压侧相应相序的电流信号，所述电压信号采集电路被配置为采集输电线路高压侧相应相序的电压信号，所述无线信号发射电路被配置为将相应的电流信号或电压信号通过无线方式发送至低压信号处理模块；
低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电流信号和电压信号分别对应合并成输电线路高压侧电流信号和输电线路高压侧电压信号并输出。
在具体实施中，处理器将接收到的各个相序的电流信号合并成输电线路高压侧电流信号的过程为：
对接收到的数字信号及其对应的采样时间关联存储；
矢量累加所有相序的相同采样时间的电流数字信号，合并成输电线路高压侧电流信号。
在具体实施中，处理器将接收到的各个相序的电压信号合并成输电线路高压侧电压信号的过程为：
对接收到的数字信号及其对应的采样时间关联存储；
矢量累加所有相序的相同采样时间的电压数字信号，合并成输电线路高压侧电压信号。其中，电流信号采集电路和电压信号采集电路的数量可依据实际检测需求自由设定。
在具体实施中，电流信号采集电路包括电流传感器和第一D/A转换器，电流传感器用于采集输电线路高压侧相应相序的电流信号，并传送至第一D/A转换器，所述第一D/A转换器将接收到的数字电流信号转化为模拟信号。
所述处理器与无线信号接收电路之间串接有第一A/D转换器，所述第一A/D转换器用于将无线信号接收电路接收到的模拟信号转化为数字信号并传送至处理器中进行处理。
本实施例的数字无线检测变换器，实现了电流信号采集的变比无极可调。
在具体实施中，电压信号采集电路包括电压传感器和第二D/A转换器，电压传感器用于采集输电线路高压侧相应相序的电压信号，并传送至第二D/A转换器，所述第二D/A转换器将接收到的数字电压信号转化为模拟信号。
所述处理器与无线信号接收电路之间串接有第二A/D转换器，所述第二A/D转换器用于将无线信号接收电路接收到的模拟信号转化为数字信号并传送至处理器中进行处理。
本实施例的数字无线检测变换器，实现了电压信号采集的变比无极可调。
在可选实施例中，所述低压信号处理模块还包括电源电路，所述电源电路还与无线能量发射电路相连，无线能量发射电路用于将电源电路输出的电源信号发送至高压采集模块；
所述高压采集模块还包括无线能量接收电路，所述无线能量接收电路用于接收电源电路输出的电源信号并为高压采集模块供电。
具体地，电源电路的结构为现有结构，此处不再累述。
在具体实施中，所述无线能量发射电路包括信号发生电路，其与电源电路相连；所述信号发生电路用于产生占空比可调的方波信号，并经驱动电路驱动后为功放电路提供激励信号，所述功放电路与发射线圈相连，所述发射线圈用于将激励信号发射出去。
其中，信号发生电路的结构可采用现有结构来实现。
在具体实施中，所述无线能量接收电路包括接收线圈，所述接收线圈用于接收激励信号并经整流滤波电路整流后输出相应电压信号。
需要说明的是，无线能量发射电路和无线能量接收电路的电路结构形式不限于当前实施例的结构，分别可实现无线能量发射及接收功能即可，这样并不影响整个数字天线变换器的整体结构及其性能。
在可选实施例中，所述高压采集模块还包括备用电池，所述备用电池为高压采集模块提供备用电能。
在可选实施例中，所述高压采集模块还包括太阳能电池板，所述太阳能电池板为高压采集模块提供备用电能。
在具体实施中，所述无线信号发射电路包括无线发射芯片及发射天线，所述无线发射芯片用于将待发射的信号调制成相应频率的信号并经发射天线发出。
在具体实施中，所述无线信号接收电路包括接收天线和信号解调器，所述接收天线用于接收发射天线发射的信号，并传送至信号解调器进行解调，再传送至处理器进行信号合并处理。
在其他实施例中，高低压侧的信号传输以及能量传输也可以采用光电数字电路对应传输。
例如：高压侧安装光电接收装置（如太阳能电池板），低压侧安装光源发射装置（如激光灯），实现电源无线传输的同时保证高低压绝缘，同时增加电路抗干扰能力。
需要说明的是，无线信号发射电路和无线信号接收电路的电路结构形式不限于当前实施例的结构，分别可实现无线信号的发射及接收功能即可，这样并不影响整个数字天线变换器的整体结构及其性能。
实施例4本实施例提供了一种输电线路监测设备，其包括上述任一实施例所述的数字无线检测变换器。
 工业实用性
（1）本公开的数字无线检测变换器，包括高压采集模块和低压信号处理模块，高压采集模块设置于输电线路的高压侧，低压信号处理模块设置于输电线路的低压侧，高压采集模块和低压信号处理模块之间通过无线方式数据传输，这样能定置方便故障查找，又能实现替换铁芯式互感器方便接线。（2）本公开的高压采集模块本身内置备用电池，高压采集模块的电源由低压回路无线方式供给，提高了高压采集模块的工作效率。
 序列表自由内容
上述虽然结合附图对本公开的具体实施方式进行了描述，但并非对本公开保护范围的限制，所属领域技术人员应该明白，在本公开的技术方案的基础上，本领域技术人员不需要付出创造性劳动即可做出的各种修改或变形仍在本公开的保护范围以内。

Claims (10)

  1. 一种数字无线检测变换器，其特征在于，包括：
    高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电流信号采集电路，所述电流信号采集电路的数量与输电线路高压侧的相序数量相等；每个电流信号采集电路与一个无线信号发射电路对应相连，所述电流信号采集电路被配置为采集输电线路高压侧相应相序的电流信号，所述无线信号发射电路被配置为将相应的电流信号通过无线方式发送至低压信号处理模块；
    低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电流信号合并成输电线路高压侧电流信号并输出。
  2. 一种数字无线检测变换器，其特征在于，包括：
    采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电压信号采集电路，所述电压信号采集电路的数量与输电线路高压侧的相序数量相等；每个电压信号采集电路与一个无线信号发射电路对应相连，所述电压信号采集电路被配置为采集输电线路高压侧相应相序的电压信号，所述无线信号发射电路被配置为将相应的电压信号通过无线方式发送至低压信号处理模块；
    低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电压信号合并成输电线路高压侧电压信号并输出。
  3. 一种数字无线检测变换器，其特征在于，包括：
    高压采集模块，其设置于输电线路的高压侧；所述高压采集模块包括若干个独立工作的电流信号采集电路和电压信号采集电路，所述电流信号采集电路的数量和电压信号采集电路的数量均与输电线路高压侧的相序数量相等；每个电流信号采集电路和电压信号采集电路分别与一个无线信号发射电路对应相连，所述电流信号采集电路被配置为采集输电线路高压侧相应相序的电流信号，所述电压信号采集电路被配置为采集输电线路高压侧相应相序的电压信号，所述无线信号发射电路被配置为将相应的电流信号或电压信号通过无线方式发送至低压信号处理模块；
    低压信号处理模块，其设置于输电线路的低压侧；所述低压信号处理模块包括处理器，所述处理器与若干个无线信号接收电路相连，所述无线信号接收电路的数量与无线信号发射电路的数量相等；所述无线信号接收电路被配置为相应无线接收无线信号发射电路发射的信号，所述处理器被配置为将接收到的各个相序的电流信号和电压信号分别对应合并成输电线路高压侧电流信号和输电线路高压侧电压信号并输出。
  4. 如权利要求1或2或3所述的数字无线检测变换器，其特征在于，所述低压信号处理模块还包括电源电路，所述电源电路还与无线能量发射电路相连，无线能量发射电路用于将电源电路输出的电源信号发送至高压采集模块；
       所述高压采集模块还包括无线能量接收电路，所述无线能量接收电路用于接收电源电路输出的电源信号并为高压采集模块供电。
  5. 如权利要求4所述的数字无线检测变换器，其特征在于，所述无线能量发射电路包括信号发生电路，其与电源电路相连；所述信号发生电路用于产生占空比可调的方波信号，并经驱动电路驱动后为功放电路提供激励信号，所述功放电路与发射线圈相连，所述发射线圈用于将激励信号发射出去。
  6. 如权利要求4所述的数字无线检测变换器，其特征在于，所述无线能量接收电路包括接收线圈，所述接收线圈用于接收激励信号并经整流滤波电路整流后输出相应电压信号。
  7. 如权利要求4所述的数字无线检测变换器，其特征在于，所述高压采集模块还包括备用电池，所述备用电池为高压采集模块提供备用电能。
  8. 如权利要求1或2或3所述的数字无线检测变换器，其特征在于，所述无线信号发射电路包括无线发射芯片及发射天线，所述无线发射芯片用于将待发射的信号调制成相应频率的信号并经发射天线发出。
  9. 如权利要求8所述的数字无线检测变换器，其特征在于，所述无线信号接收电路包括接收天线和信号解调器，所述接收天线用于接收发射天线发射的信号，并传送至信号解调器进行解调，再传送至处理器进行信号合并处理。
  10. 一种输电线路监测设备，其特征在于，包括如权利要求1-9中任一项所述的数字无线检测变换器。
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