CN201716362U - Non-contact digital electroscope - Google Patents

Abstract

Translated fromChinese

本实用新型涉及一种非接触式数字验电器，由传感器、DSP电路、功能控制电路和高功率锂电池构成，所述传感器、高功率锂电池和所有电路均设置在一个腕佩式便携装置中，其特点是：所述传感器通过一个传感器数据单元与DSP电路相连；DSP电路输出控制信号还通过一个输出隔离驱动模块分别与液晶显示模块和报警模块相接；功能控制电路通过一个功率控制算法电路与功率分配控制电路相连接。本实用新型提供的非接触式数字验电器，采用偶极子测量技术，采用定量测量。技术测量精度是传统近电报警器测量精度1万倍。输出的信号为准确的电场场强值，每秒一次的更新频率，并可快速跟踪电场变化，便于在移动环境中准确测量，可作为110kV以上的专业验电设备。

The utility model relates to a non-contact digital electroscope, which is composed of a sensor, a DSP circuit, a function control circuit and a high-power lithium battery, and the sensor, the high-power lithium battery and all circuits are arranged in a wrist-worn portable device , which is characterized in that: the sensor is connected to the DSP circuit through a sensor data unit; the output control signal of the DSP circuit is also connected to the liquid crystal display module and the alarm module through an output isolation drive module; the function control circuit is connected through a power control algorithm circuit Connected to the power distribution control circuit. The non-contact digital electroscope provided by the utility model adopts dipole measurement technology and quantitative measurement. The technical measurement accuracy is 10,000 times that of the traditional near-electric alarm. The output signal is the accurate value of the electric field strength, the update frequency is once per second, and it can quickly track the change of the electric field, which is convenient for accurate measurement in the mobile environment, and can be used as a professional electrical inspection equipment above 110kV.

Description

The non-contact digital electroscope

Technical field

The utility model belongs to the AC input transformation of the above electric pressure of a kind of 110kV and tests point device, particularly a kind of non-contact digital electroscope.

Background technology

Because the singularity of power industry, in power construction, operation and maintenance work, how to guarantee to construct and operation maintenance personnel's personal safety is an important topic.The working specification of formulation and the strictness of execution science is the main means that guarantee safe production, and its importance need not be given unnecessary details.But the enforcement of rules always will rely on people's execution, and the error of people's subjectivity can't be avoided fully, therefore utilizes scientific method, improves the safety in production level by instruments for scientific research and also has important auxiliary meaning.

Operating personnel's mistakenly entering charged chamber is operated and is caused the accident of personal injury to happen occasionally, and its subjective reason is not strictly observe working specification, information communication deficiency between the personnel.Odjective cause is that operating personnel can't learn operating environment at the scene, promptly whether charged at interval truth.

Prevent personnel's mistakenly entering charged chamber active probe warning system (hereinafter to be referred as " security protection guarantor "), the electromagnetic field of measuring the human body surrounding enviroment in real time distributes and finds out charged situation at interval, and the result is shown on LCD screen.When the hypotelorism of human body and charged thing, when the Danger Electric shock risk degree reaches predefined thresholding, in time remind operating personnel by modes such as audible alarm and flashes of light, take place with the accident of avoiding maloperation to bring.

This non-contact digital electroscope can also be generalized to the security alarm purposes under other forceful electric power environment.

The utility model content

The purpose of this utility model provides the AC input transformation device of the above electric pressure of a kind of 110kV of being applicable to, accurately electrical verification, and the non-contact digital electroscope of high-acruracy survey, noncontact electrical verification is to overcome the deficiencies in the prior art.

To achieve these goals, the utility model is made of sensor, DSP (digital signal processing unit) circuit and function control circuit, wherein the output of sensor links to each other with the data input pin of DSP circuit, DSP circuit output control signal is connected with function control circuit, a high power lithium battery provides power supply for described circuit, described sensor, high power lithium battery and all circuit all are arranged in the Wrist wearing type portable unit, are characterized in: described sensor links to each other with the DSP circuit by a sensing data unit; DSP circuit output control signal is also joined with LCD MODULE and alarm module respectively by an output isolation drive module; Function control circuit is connected with the power division control circuit by a power control algorithm circuit.

Also be connected with protection/calibration circuit between described sensor and the sensing data unit, protection/calibration circuit also is connected with described power division control circuit.

Have an electrostatic induction horizontal survey circuit to link to each other with described protection/calibration circuit by a feedback calibration algorithm circuit, feedback calibration algorithm circuit is also accepted the data-signal of described sensing data unit.

Described sensor comprises electric-field sensor and magnetic field sensor.

Described DSP circuit also is connected with high accurate clock signal and other load module.

The non-contact digital electroscope that the utility model provides adopts the dipole measuring technique, the creationary portable detection range of Wrist wearing type that is incorporated into, and the utility model adopts quantitative measurment.The commercial measurement precision is 10,000 times of traditional alarming in short range of electric power device measuring accuracy.The signal of output is electric field strength value accurately, per second renewal frequency once, and can follow the tracks of electric field change fast, and be convenient in mobile environment, accurately measure, can be used as the professional electroscopy equipment more than the 110kV.The utility model can detect faint electric field, also can guarantee accurately to judge the electric field hazard level, prevents false alarm and fails to report the police.

Description of drawings

Fig. 1 is the theory diagram of the utility model embodiment.

Embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

Principle of work of the present utility model is: adopt the high power lithium battery power supply, carry out the control of each function module circuit by the power division control circuit; This sensor adopts electric-field sensor and magnetic field sensor accurately to gather electromagnetic field signal; and sensor signal is sent to the DSP circuit by protection/calibration circuit with data; the DSP circuit utilizes the theoretical analysis data of electromagnetic-field simulation model and human parameters model; foundation is at electromagnetic field measurements, high-acruracy survey platform and light current simulated environment that electrostatic induction is measured.Utilize the eigenvector decomposition algorithm to carry out analytical calculation and determine eigenvector, derive relevant DSP digital signal processing algorithm and definite algorithm parameter based on the measurement data of light current environment.And on LCDs, show corresponding clock and electric field information, when reaching the default alarming value of electric field, report to the police.

The content that is not described in detail in this instructions belongs to this area professional and technical personnel's known prior art.

Claims (5)

Translated fromChinese

1.一种非接触式数字验电器，由传感器、DSP电路和功能控制电路构成，其中传感器的输出与DSP电路的数据输入端相连，DSP电路输出控制信号与功能控制电路相连接，一个高功率锂电池给所述电路提供电源，所述传感器、高功率锂电池和所有电路均设置在一个腕佩式便携装置中，其特征在于：所述传感器通过一个传感器数据单元与DSP电路相连；DSP电路输出控制信号还通过一个输出隔离驱动模块分别与液晶显示模块和报警模块相接；功能控制电路通过一个功率控制算法电路与功率分配控制电路相连接。1. A non-contact digital electroscope consisting of a sensor, a DSP circuit and a functional control circuit, wherein the output of the sensor is connected to the data input terminal of the DSP circuit, and the output control signal of the DSP circuit is connected to the functional control circuit. A high-power The lithium battery provides power to the circuit, and the sensor, high-power lithium battery and all circuits are arranged in a wrist-worn portable device, which is characterized in that: the sensor is connected to the DSP circuit through a sensor data unit; the DSP circuit The output control signal is also connected to the liquid crystal display module and the alarm module through an output isolation drive module; the function control circuit is connected to the power distribution control circuit through a power control algorithm circuit.2.如权利要求1所述的非接触式数字验电器，其特征在于：传感器与传感器数据单元之间还连接有保护/校准电路，保护/校准电路还与所述功率分配控制电路相连接。2. The non-contact digital electroscope according to claim 1, characterized in that: a protection/calibration circuit is connected between the sensor and the sensor data unit, and the protection/calibration circuit is also connected to the power distribution control circuit.3.如权利要求1或2所述的非接触式数字验电器，其特征在于：有一个静电感应水平测量电路通过一个反馈校准算法电路与所述保护/校准电路相连，反馈校准算法电路还接受所述传感器数据单元的数据信号。3. The non-contact digital electroscope as claimed in claim 1 or 2, characterized in that: an electrostatic induction level measurement circuit is connected with the protection/calibration circuit through a feedback calibration algorithm circuit, and the feedback calibration algorithm circuit also accepts the The data signal of the sensor data unit described above.4.如权利要求1所述的非接触式数字验电器，其特征在于：所述传感器包括电场传感器和磁场传感器。4. The non-contact digital electroscope according to claim 1, wherein the sensor includes an electric field sensor and a magnetic field sensor.5.如权利要求1所述的非接触式数字验电器，其特征在于：所述DSP电路还连接有高精度时钟信号和其它输入模块。5. The non-contact digital electroscope as claimed in claim 1, characterized in that: the DSP circuit is also connected with a high-precision clock signal and other input modules.

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