阅读说明：本技术 闪电定位仪测量装置 (Lightning locator measuring device ) 是由 庞文静 梁丽 陈泽方 雷勇 刘洁 邵楠 于 2021-08-17 设计创作，主要内容包括：本公开实施例提供一种闪电定位仪测量装置,包括：主控模块,存储有闪电波形特征库；测量控制模块,用于将所述闪电波形特征库中存储的标准闪电波形信号传输至闪电波形模拟发生器；GNSS时间同步模块,用于产生基准闪电脉冲同步信号；所述闪电波形模拟发生器用于根据所述标准闪电波形信号配置参数,并在所述基准闪电脉冲同步信号的同步下生成闪电脉冲,然后将所述闪电脉冲可选择地传输至发射天线或者数控衰减模块；所述发射天线或者数控衰减模块用于将所述闪电脉冲传输至闪电定位仪。该技术方案能够覆盖产品验收规范中的大部分甚至所有指标,并能够实现自动测试。(The embodiment of the present disclosure provides a lightning locator measuring device, including: the master control module stores a lightning waveform feature library; the measurement control module is used for transmitting the standard lightning waveform signals stored in the lightning waveform feature library to the lightning waveform simulation generator; the GNSS time synchronization module is used for generating a reference lightning pulse synchronization signal; the lightning waveform simulation generator is used for configuring parameters according to the standard lightning waveform signal, generating lightning pulses under the synchronization of the reference lightning pulse synchronization signal and then selectively transmitting the lightning pulses to a transmitting antenna or a numerical control attenuation module; and the transmitting antenna or the numerical control attenuation module is used for transmitting the lightning pulse to a lightning positioner. The technical scheme can cover most or even all indexes in the product acceptance specification, and can realize automatic testing.)

1. A lightning locator measurement device, comprising:

the master control module stores a lightning waveform feature library;

the measurement control module is used for transmitting the standard lightning waveform signals stored in the lightning waveform feature library to the lightning waveform simulation generator;

the GNSS time synchronization module is used for generating a reference lightning pulse synchronization signal;

the lightning waveform simulation generator is used for configuring parameters according to the standard lightning waveform signal, generating lightning pulses under the synchronization of the reference lightning pulse synchronization signal and then selectively transmitting the lightning pulses to a transmitting antenna or a numerical control attenuation module;

the transmitting antenna or the numerical control attenuation module is used for transmitting the lightning pulse to a lightning positioner;

the master control module is used for receiving the measuring result of the lightning pulse by the lightning positioner and obtaining the parameter of the lightning positioner according to the measuring result.

2. The apparatus of claim 1, wherein the lightning waveform simulation generator is further configured to transmit the lightning pulse to a detection calibration module;

the detection calibration module is electrically connected with the switch matrix, and is used for calibrating the lightning pulse through the waveform measurement module under the condition that the switch matrix is switched into a self-detection calibration channel; or calibrating the lightning pulse by the waveform measurement module under the condition that the switch matrix is switched to an external calibration channel by the measurement control module;

the measurement control module is used for transmitting the calibrated lightning pulse to the lightning waveform analog generator and selectively transmitting the lightning pulse to the transmitting antenna or the numerical control attenuation module through the lightning waveform analog generator.

3. The apparatus of claim 2, wherein the apparatus is configured with a CH interface, a signal source output interface, and a standard interface;

wherein, the CH interface is used for a measurement interface of an external calibration channel: the signal source output interface is used for injecting the lightning pulse into the lightning positioner through a cable; the standard interface is used for receiving the measurement result of the lightning pulse.

4. The device according to any one of claims 1-3, wherein the device is further configured with a synchronization interface, a GNSS interface, a portal, or a USB interface;

wherein, the synchronous interface is used for external signal waveform measurement; the GNSS interface is used for connecting a GNSS antenna, and the GNSS antenna is electrically connected with the GNSS time synchronization module; the network port is used for connecting a network to realize remote control; the USB interface is used for exporting files.

5. The apparatus of claim 1, further comprising: and the battery and power module is used for supplying power to the device.

6. The apparatus of claim 1, further comprising: the display driving module and the touch screen; the display driving module is respectively electrically connected with the main control module and the touch screen.

7. The apparatus of claim 1, wherein the configuration parameters according to the standard lightning waveform signal include one or more of: pulse delay time, pulse number and pulse interval time of a single lightning event; and the number of pulse combinations, the duration of each pulse, and the interval of each pulse of the plurality of lightning events; as well as the lightning pulse amplitude, the lightning pulse polarity.

8. The arrangement according to claim 1, characterized in that the parameters of the lightning locator include: functional parameters and performance parameters;

wherein the checking items of the functional parameters comprise one or more of the following items:

data format inspection, running state inspection, storage capacity inspection, data transmission inspection, terminal operation inspection, software updating inspection, GNSS time synchronization module inspection, self-checking function inspection, lightning polarity identification inspection and full-waveform lightning data inspection;

the checking items of the performance parameters comprise one or more of the following items:

time precision check, attack event processing time check, power consumption check and power supply check.

9. The apparatus of claim 1, further comprising:

and the electromagnetic shielding test bin is used for shielding external electromagnetic interference signals.

10. The apparatus of claim 9, wherein the electromagnetically shielded test chamber comprises: a hollow sleeve and a support; the support has a holding surface, the holding surface is located in the cavity sleeve, is used for placing the lightning locator.

Technical Field

The disclosure relates to the technical field of lightning equipment, in particular to a lightning position finder measuring device.

Background

The lightning locator is a meteorological detector for monitoring lightning occurrence, and is an automatic detection device for telemetering lightning discharge parameters by using the characteristics of sound, light and electromagnetic fields of lightning radiation, and sends the preprocessed lightning data to a central data processing station through a communication system in real time for intersection processing, so that the lightning locator can run all weather, for a long time and continuously and record the indexes of time, position, intensity, polarity and the like of the lightning occurrence.

At present, a lightning locator is generally measured by a universal instrument such as an oscilloscope and the like, and the measurement error is larger because no reference exists for measuring the pulse delay time of the lightning locator; and system indexes such as data format, lightning processing time, false alarm rate and the like are difficult to test by using a universal instrument, and usually, a plurality of universal instruments are required to be combined for use, so that automatic test is difficult to realize. Due to the lack of special metering equipment, the quality of factory acceptance test data of the lightning positioner is difficult to guarantee, and various problems such as few monitoring measures for the data quality of the on-line running state, hidden danger in the running data quality, insufficient guarantee means and the like exist.

Disclosure of Invention

In order to solve the problems in the related art, embodiments of the present disclosure provide a lightning positioner measuring device.

The embodiment of the disclosure provides a measuring device of a lightning locator.

Specifically, the lightning locator measurement device comprises:

the master control module stores a lightning waveform feature library;

the measurement control module is used for transmitting the standard lightning waveform signals stored in the lightning waveform feature library to the lightning waveform simulation generator;

the GNSS time synchronization module is used for generating a reference lightning pulse synchronization signal;

the lightning waveform simulation generator is used for configuring parameters according to the standard lightning waveform signal, generating lightning pulses under the synchronization of the reference lightning pulse synchronization signal and then selectively transmitting the lightning pulses to a transmitting antenna or a numerical control attenuation module;

the transmitting antenna or the numerical control attenuation module is used for transmitting the lightning pulse to a lightning positioner;

the master control module is used for receiving the measuring result of the lightning pulse by the lightning positioner and obtaining the parameter of the lightning positioner according to the measuring result.

Optionally, the lightning waveform simulation generator is further configured to transmit the lightning pulse to a detection calibration module;

the detection calibration module is electrically connected with the switch matrix, and is used for calibrating the lightning pulse through the waveform measurement module under the condition that the switch matrix is switched into a self-detection calibration channel; or calibrating the lightning pulse by the waveform measurement module under the condition that the switch matrix is switched to an external calibration channel by the measurement control module;

the measurement control module is used for transmitting the calibrated lightning pulse to the lightning waveform analog generator and selectively transmitting the lightning pulse to the transmitting antenna or the numerical control attenuation module through the lightning waveform analog generator.

Optionally, the apparatus is configured with a CH interface, a signal source output interface, and a standard interface;

wherein, the CH interface is used for a measurement interface of an external calibration channel: the signal source output interface is used for injecting the lightning pulse into the lightning positioner through a cable; the standard interface is used for receiving the measurement result of the lightning pulse.

Optionally, the device is further configured with a synchronization interface, a GNSS interface, a network port, or a USB interface;

wherein, the synchronous interface is used for external signal waveform measurement; the GNSS interface is used for connecting a GNSS antenna, and the GNSS antenna is electrically connected with the GNSS time synchronization module; the network port is used for connecting a network to realize remote control; the USB interface is used for exporting files.

Optionally, the method further comprises: and the battery and power module is used for supplying power to the device.

Optionally, the method further comprises: the display driving module and the touch screen; the display driving module is respectively electrically connected with the main control module and the touch screen.

Optionally, the configuration parameters according to the standard lightning waveform signal include one or more of: pulse delay time, pulse number and pulse interval time of a single lightning event; and the number of pulse combinations, the duration of each pulse, and the interval of each pulse of the plurality of lightning events; as well as the lightning pulse amplitude, the lightning pulse polarity.

Optionally, the parameters of the lightning locator include: functional parameters and performance parameters;

wherein the checking items of the functional parameters comprise one or more of the following items:

data format inspection, running state inspection, storage capacity inspection, data transmission inspection, terminal operation inspection, software updating inspection, GNSS time synchronization module inspection, self-checking function inspection, lightning polarity identification inspection and full-waveform lightning data inspection;

the checking items of the performance parameters comprise one or more of the following items:

time precision check, attack event processing time check, power consumption check and power supply check.

Optionally, the method further comprises:

and the electromagnetic shielding test bin is used for shielding external electromagnetic interference signals.

Optionally, the electromagnetic shielding test bin comprises: a hollow sleeve and a support; the support has a holding surface, the holding surface is located in the cavity sleeve, is used for placing the lightning locator.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

the embodiment of the present disclosure provides a lightning locator measuring device, including: the master control module stores a lightning waveform feature library; the measurement control module is used for transmitting the standard lightning waveform signals stored in the lightning waveform feature library to the lightning waveform simulation generator; the GNSS time synchronization module is used for generating a reference lightning pulse synchronization signal; the lightning waveform simulation generator is used for configuring parameters according to the standard lightning waveform signal, generating lightning pulses under the synchronization of the reference lightning pulse synchronization signal and then selectively transmitting the lightning pulses to a transmitting antenna or a numerical control attenuation module; the transmitting antenna or the numerical control attenuation module is used for transmitting the lightning pulse to a lightning positioner; the master control module is used for receiving the measuring result of the lightning pulse by the lightning positioner and obtaining the parameter of the lightning positioner according to the measuring result. The technical scheme adopts a GNSS time synchronization mode to form a pulse signal source for measuring the lightning locator, which can edit pulse delay time, pulse quantity, pulse time interval, lightning pulse polarity and the like, has the same physical characteristics with real lightning pulses, realizes space non-contact test through a transmitting antenna or injection test through a cable connection numerical control attenuation module, measures the lightning locator by utilizing one of the two modes, can cover most or even all indexes in product acceptance specifications, and can realize automatic test. The pulse signal source provided by the measuring device of the lightning locator disclosed by the invention has the advantages that the simulated lightning pulse precision is within 10ns, the number of the simulated lightning pulses is more than 3, the pulse width setting range of the simulated lightning pulses is more than 300 mu s, the amplitude setting range is more than 30dB, and the pulse measuring precision is more than ten times of the pulse measuring precision of the lightning locator.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

Other features, objects, and advantages of the present disclosure will become more apparent from the following detailed description of non-limiting embodiments when taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 shows a schematic block diagram of a lightning locator measurement arrangement according to an embodiment of the disclosure;

FIG. 2 shows a front view of a lightning locator measurement device according to an embodiment of the disclosure;

FIG. 3 shows a rear view of a lightning locator measurement device according to an embodiment of the disclosure;

fig. 4 shows a schematic structural diagram of an electromagnetically shielded test chamber according to an embodiment of the present disclosure.

Detailed Description

Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement them. Also, for the sake of clarity, parts not relevant to the description of the exemplary embodiments are omitted in the drawings.

In the present disclosure, it is to be understood that terms such as "including" or "having," etc., are intended to indicate the presence of the disclosed features, numbers, steps, behaviors, components, parts, or combinations thereof, and are not intended to preclude the possibility that one or more other features, numbers, steps, behaviors, components, parts, or combinations thereof may be present or added.

It should be further noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The present disclosure is made to solve, at least in part, the problems in the prior art that the inventors have discovered.

As shown in fig. 1, the lightning locator measurement device comprises: the device comprises a main control module 1, a measurement control module 2, a lightning waveform simulation generator 3, a GNSS time synchronization module 4, a transmitting antenna 5, a numerical control attenuation module 6, a detection calibration module 7, a switch matrix 8 and a waveform measurement module 9.

The master control module 1 stores a lightning waveform feature library;

the measurement control module 2 is used for transmitting the standard lightning waveform signals stored in the lightning waveform feature library to the lightning waveform simulation generator 3;

the GNSS time synchronization module 4 is used for generating a reference lightning pulse synchronization signal;

the lightning waveform simulation generator 3 is used for configuring parameters according to the standard lightning waveform signal, generating lightning pulses under the synchronization of the reference lightning pulse synchronization signal and then selectively transmitting the lightning pulses to the transmitting antenna 5 or the numerical control attenuation module 6;

the transmitting antenna 5 or the numerical control attenuation module 6 is used for transmitting the lightning pulse to a lightning positioner;

the main control module 1 is used for receiving the measuring result of the lightning pulse by the lightning positioner and obtaining the parameter of the lightning positioner according to the measuring result.

The lightning positioner measuring device that this disclosed embodiment provided, when practical application, uses with the lightning positioner cooperation, makes up and constitutes a test system, and in order to realize test system's networking and automation demand, the interaction of the two is realized based on network protocol, and simultaneously, test system inside adopts customer end, the design of server separation type, both can realize nimble deployment, can realize remote control again and the requirement of authority examination and approval. In general, the implementation of a test system consists of three parts: the system comprises a client, a server and a lightning locator software service; the client provides a terminal for command input and result output of a user in a UI interactive mode; the server provides a pivot for command transceiving, test module control, data processing and data storage; the lightning locator software service provides middleware for receiving and sending commands and returning data results for the test system. The connection between the client and the server supports three modes of public network, local area network and local connection.

According to the embodiment of the disclosure, the main control module 1 is used for controlling other modules to work cooperatively, so that the function and performance parameter automatic test of the lightning position indicator is realized, the lightning waveform characteristic library is arranged in the main control module 1, so that various types of cloud flashing and ground flashing signals can be realized, and the lightning waveform simulation generator 3 is controlled to generate lightning pulse signals in an instruction mode.

According to the embodiment of the disclosure, the measurement control module 2 is configured to receive a control instruction of the main control module 1, generate a control signal, and control other modules to cooperatively work according to the instruction and the control parameter requirement.

According to the embodiment of the disclosure, the lightning waveform simulation generator 3 can generate various types of cloud flash and ground flash signals, generates a lightning event echo signal composed of one or more delay pulses under the synchronization of the GNSS time synchronization module 1PPS second pulse, can automatically form a set parameter according to a standard lightning waveform signal stored in a lightning waveform characteristic library, controls an FPGA internal circuit to operate according to the set parameter, and outputs a lightning pulse.

In an aspect of the present disclosure, the configuration parameters according to the standard lightning waveform signal include one or more of: pulse delay time, pulse number and pulse interval time of a single lightning event; and the number of pulse combinations, the duration of each pulse, and the interval of each pulse of the plurality of lightning events; as well as the lightning pulse amplitude, the lightning pulse polarity.

In particular, the plurality of lightning events may be a continuous 24h continuous lightning event combination for measuring the lightning pulse detection performance, the lightning event handling capacity and the false alarm rate and detection probability of a long-term continuous operation at 24h, 48h or 72h of the lightning positioner.

According to an embodiment of the present disclosure, the GNSS time synchronisation module 4 is arranged to generate a reference lightning pulse synchronisation signal such that the lightning pulse has the same time reference as the lightning positioner.

According to an embodiment of the present disclosure, the lightning pulses generated by the lightning waveform simulation generator 3 may be transmitted to the lightning positioner in two ways, one being a spatial non-contact test mode and the other being an injection test mode.

Specifically, the space non-contact test is that a lightning pulse signal is radiated by a built-in transmitting antenna of a measuring device to form a space electromagnetic pulse, a lightning locator receives and measures the signal, then a measuring result is sent to the measuring device of the lightning locator through a standard interface, and the measuring device performs statistical analysis on the measuring result;

the injection type test is connected with a receiving input end of a lightning position indicator through a radio frequency cable, the numerical control attenuation module carries out amplitude control on mv-level lightning pulse signals which are directly output, then the lightning pulse signals are injected into the lightning position indicator through a signal source output interface, the lightning position indicator receives and measures the signals, measuring results are sent to a measuring device of the lightning position indicator through a special communication cable, and the measuring device carries out statistical analysis on the measuring results.

The lightning position indicator measuring device provided by the embodiment of the disclosure adopts a GNSS time synchronization mode to form a pulse signal source for measuring the lightning position indicator with editable pulse delay time, pulse quantity, pulse time interval, lightning pulse polarity and the like, has the same physical characteristics with real lightning pulses, realizes space non-contact test through a transmitting antenna or realizes injection test through a cable connection numerical control attenuation module, and can cover most or even all indexes in product acceptance specifications by utilizing one of the two modes to measure the lightning position indicator, and can realize automatic test.

According to an embodiment of the present disclosure, the lightning waveform simulation generator 3 is further configured to transmit the lightning pulse to a detection calibration module 7;

the detection calibration module 7 is electrically connected with the switch matrix 8, and is used for calibrating the lightning pulse through the waveform measurement module 9 under the condition that the switch matrix 8 is switched into a self-detection calibration channel; or the lightning pulse is calibrated by the waveform measurement module 9 in case the switch matrix 8 is switched to an external calibration channel via the measurement control module 2;

the measurement control module 2 is configured to transmit the calibrated lightning pulse to the lightning waveform simulation generator 3, and selectively transmit the lightning pulse to the transmitting antenna 5 or the digitally controlled attenuation module 6 via the lightning waveform simulation generator 3.

In the present disclosure, in order to ensure that the lightning pulse received by the lightning position finder is consistent with the standard lightning waveform signal, the lightning pulse needs to be calibrated. The calibration mode can be self-checking calibration or external calibration, when the waveform measuring module 9 measures the calibration parameters, the calibration parameters are fed back to the measurement control module 2, then an instruction is sent to the lightning waveform analog generator 3, the lightning waveform analog generator 3 is controlled to calibrate the lightning pulse, the lightning pulse is transmitted to the transmitting antenna 5 or the numerical control attenuation module 6 after being calibrated, and then the lightning pulse is received by the lightning positioning instrument to be measured. The method can provide a more accurate pulse signal source for the lightning position indicator, and the precision of the measuring result is also improved.

According to an embodiment of the present disclosure, the apparatus further comprises: a display driving module 10 and a touch screen 11; the display driving module 10 is electrically connected with the main control module 1 and the touch screen 11 respectively.

Referring to fig. 2, the front panel layout of the measuring device of the lightning locator is divided into two main sections, a display area and a key area, the main section and the auxiliary section are matched, the area of the display area accounts for about 60% of the total area of the front panel, the main section and the auxiliary section are matched in design mainly for highlighting and displaying, and the key area is provided with a power switch key on the right side edge, so that the operating and observing habits of natural hand lifting, binocular direct vision and natural cooperation of hands and eyes are met. The display screen adopts 8 cun touch-sensitive screens, and parameter setting and test control during manual test pass through touch-sensitive screen button control.

According to an embodiment of the present disclosure, the apparatus further comprises: a battery and power module 12 and an AC-DC module for powering the device. The portable test device can be particularly in an AC/DC dual-purpose mode, a lithium ion battery and a charging port are arranged in the portable test device, and the portable test device is convenient to carry and test.

As shown in fig. 3, the apparatus is configured with CH interfaces CH1(13), CH2(14), a signal source output interface 15, and a standard interface 16; the CH1 and CH2 are used for measuring interfaces of external calibration channels, and also can be used as interfaces of a general oscilloscope, or used for measuring external signal waveforms, such as those used in testing voltages and currents (distribution current transformers) of a lightning positioner: the signal source output interface 15 is used for injecting the lightning pulse into the lightning positioner through a cable; the standard interface 16 is used to receive the lightning pulse measurements.

According to an embodiment of the present disclosure, the apparatus is further configured with a synchronization interface 17, a GNSS interface 18, a network port 19, or a USB interface 20; the synchronous interface 17 is used for external signal waveform measurement, for example, when testing power supply ripples of a lightning positioner; the GNSS interface 18 is used for connecting a GNSS antenna, when the lightning locator is used for indoor testing, the GNSS antenna is connected and placed at an outdoor position where the GNSS antenna is in communication with satellite signals through a cable, and the more the satellite signals are received, the better the satellite signals are; the GNSS antenna is electrically connected with the GNSS time synchronization module; the network port 19 is used for connecting a network to realize remote control; the USB interface 20 is used to export files.

According to an embodiment of the disclosure, the parameters of the lightning locator comprise: functional parameters and performance parameters;

wherein the checking items of the functional parameters comprise one or more of the following items:

data format inspection, running state inspection, storage capacity inspection, data transmission inspection, terminal operation inspection, software updating inspection, GNSS time synchronization module inspection, self-checking function inspection, lightning polarity identification inspection and full-waveform lightning data inspection;

the checking items of the performance parameters comprise one or more of the following items:

time precision check, attack event processing time check, power consumption check and power supply check.

Specifically, the data format check: the parameters and data of the detection data output by the lightning position indicator are detected to accord with a standard format, the lightning position indicator is connected through a cable, lightning pulses are sent, the lightning position indicator data are received, and a data format is detected.

Checking the running state: and checking whether the lightning position indicator can output the running state data once per minute, wherein the state data conforms to the standard format. And the state data reaches the report rate of more than 98%, is connected with a lightning position indicator through a cable, sends lightning pulses, receives the data of the lightning position indicator and checks the data condition.

Checking the storage capacity: whether inspection lightning locater can save the detection data of 7 days at least, through cable junction lightning locater, send the lightning pulse, receive lightning locater data, inspection data storage ability, data storage total amount is not less than 2GB in reality.

Data transmission checking: and checking whether the communication interface and the communication parameters of the lightning positioner meet the requirements of a VLF/LF lightning positioner functional specification requirement book. The method comprises the steps of connecting a lightning locator through a cable, sending lightning pulses, receiving data of the lightning locator, setting baud rates of 9600, 19200, 38400, 57600 and 115200bps through an SETCOM command at an instrument display terminal, setting a data bit to be 8 bits, setting a stop bit to be 1 bit and having no check bit. And judging whether the data transmission is normal or not by checking the state data.

And (3) terminal operation checking: and checking whether a terminal operation command of the lightning locator meets the requirements of a VLF/LF lightning locator function specification requirement book. The method comprises the steps of connecting a lightning locator through a cable, sending lightning pulses, receiving data of the lightning locator, inputting a terminal operation command defined in a VLF/LF lightning locator function specification requirement book into the lightning locator one by one through an instrument display terminal, and checking whether the response of the lightning locator to the command meets requirements or not.

Software update checking: and on the premise of not changing any hardware equipment, testing whether the embedded software in the detecting instrument can be upgraded through the instrument display terminal. And upgrading software in the detector by using the instrument display terminal, wherein if the version number of the software of the detector changes, the software is upgraded successfully.

And (3) checking the GNSS time synchronization module: and checking whether the detecting instrument can send prompt information when the GNSS time synchronization fails. And shielding or unplugging a GNSS antenna of the detecting instrument to ensure that the GNSS time setting is unsuccessful, and checking prompt information sent by the detecting instrument and received by the instrument display terminal. The GPS information in the status data is E001, C001, and others. When time synchronization is unsuccessful, non-E001 and C001 are displayed.

Checking a self-checking function: and checking whether the detecting instrument has a self-checking function or not, and checking parameters output by self-checking. And (4) inputting an AUTOCHECK command at the instrument display terminal, and checking whether the parameters returned by the detector are correct or not.

Lightning polarity identification and inspection: it is checked whether the lightning locator can correctly identify the analog lightning signals of opposite polarity. The system is connected with a lightning locator through a cable, sends lightning pulses, receives data of the lightning locator, checks pulse data output by the detector, and judges that the function is normal if the pulse type is consistent with the polarity of pulses generated by a surge generator.

And (3) full-waveform lightning data inspection: the detector is checked for full waveform lightning data output with a time delay of less than 10 minutes. The method comprises the steps of connecting a lightning locator through a cable, sending lightning pulse, receiving data of the lightning locator, checking pulse data output by the detector, checking a waveform data field output by the detector, and checking whether a waveform data format meets business requirements or not. The delay between the time field and the time of reception within the inspection waveform data is less than 10 minutes. The waveform data format refers to a device manufacturer defined data format.

And (3) time precision checking: the time precision index requirement is better than 10^-7s, through cable junction lightning locator, or send the lightning pulse through the antenna, receive lightning locator data, record detection instrument pulse per second measuring result, contrast measured value and pulse per second error, utilize ten measuring results, statistics time accuracy, it is to measure the root mean square error:

in the formula: n is the number of measurement samples, and minimum 10 second pulses are taken; and delta t is a time measurement error, the second pulse is used as a true value, and the measurement errors (less than or equal to 1 s) after 10 continuous measurement time stamps and the second pulse deblurring are used as effective values.

And (3) checking the processing time of the back click event: the return click event processing time index requirement is as follows: less than 1 ms. Through cable junction lightning locater, or send the lightning pulse through transmitting antenna, receive lightning locater data, record detection instrument result data output timestamp, contrast measured value and pulse per second error, utilize ten measuring results, statistics striking back incident processing time, get the maximum value.

And (3) power consumption checking: the power consumption index requirement of the detector is as follows: less than 20W. Through cable junction lightning locator, or send the lightning pulse through the antenna, the lightning locator is in operating condition, and the instrument automatic measurement lightning locator consumption.

And (3) power supply inspection: the power supply index requirement of the detecting instrument is as follows: AC 187V-AC 242V; ripple wave requirement: vpp is less than 150 mV; the power supply ripple of the lightning position indicator is automatically measured by the instrument internal waveform measuring module through the cable connection lightning position indicator.

According to an embodiment of the present disclosure, the apparatus further comprises: and the electromagnetic shielding test bin is used for shielding external electromagnetic interference signals. Preferably, the shielded test chamber is constructed using folded magnetic shields.

As shown in fig. 4, the electromagnetic shielding test chamber includes: a hollow sleeve 21 and a bracket 22; the bracket has a support surface located within the hollow sleeve 21 for placement of the lightning bolt A.

The lightning locator measuring device provided by the embodiment of the disclosure, based on the GNSS time synchronization technology, the integrated transmitting antenna technology, the foldable electromagnetic shielding bin technology, the simulation detection technology and the like, the lightning waveform characteristic library and the built-in waveform measurement module are combined, different space breakdown dimensions are formed, different breakdown currents are formed, different electromagnetic pulse arrival times, different types of lightning pulse combinations are formed, different lightning time combinations are continuously transmitted, multiple parameters are constructed, the simulation environment is measured by multiple types of lightning locators, the space non-contact test and the injection type test are realized, the coverage area is wide, the integration level is high, the reliability is high, the maintainability is good, the test of the lightning locator and other lightning equipment can be completed, the structure is simple, the connection is convenient, the use is safe, the operation is comfortable, and the performance is excellent.

The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention in the present disclosure is not limited to the specific combination of the above-mentioned features, but also encompasses other embodiments in which any combination of the above-mentioned features or their equivalents is possible without departing from the inventive concept. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.