Overvoltage lightning protection equipment discharge data remote transmission device

Abstract

The invention relates to the technical field of power distribution network lightning protection, and provides an overvoltage lightning protection equipment discharge data remote transmission device, which can collect the discharge times, discharge current intensity and discharge time of lightning protection equipment in real time through a detection end, and transmits the collected data to a receiving end through a wireless transmission module. And the receiving end evaluates the state of the overvoltage lightning protection equipment according to the discharge data and sends an evaluation result to a user, so that the user can remotely monitor the state of the overvoltage lightning protection equipment, and the convenience of state management of the overvoltage lightning protection equipment is greatly improved. Through comprehensive analysis of discharge data of the overvoltage lightning protection equipment, the states of the overvoltage lightning protection equipment are classified into a normal type, a warning type and a dangerous type, so that a user can judge the fault risk of the overvoltage lightning protection equipment and take countermeasures in time; and the frequency and the cost of manual inspection are obviously reduced.

Description

Technical Field

[0001] The invention relates to the technical field of lightning protection for power distribution networks, in particular to a remote transmission device for discharge data of overvoltage lightning protection equipment. Background Art

[0002] Distribution network lines are often struck by lightning, which can damage electrical equipment, conductors, insulators, lightning arresters and other ancillary equipment, requiring replacement before power can be restored. Electrical equipment struck by lightning will involve a long repair process, seriously affecting power supply reliability.

[0003] In order to reduce the damage caused by lightning distribution network lines, overvoltage lightning protection devices are usually installed on power lines. The voltage lightning protection devices can avoid the instantaneous high voltage generated by the large current generated by lightning strikes passing through unqualified grounding to counterattack the lines and equipment, effectively protecting the lines and online equipment, reducing power outages caused by lightning strikes, and improving power supply reliability.

[0004] In actual use, the overvoltage lightning protection device will suffer varying degrees of damage when resisting lightning strikes, which will directly affect its performance and service life. The greater the intensity of the lightning strike, the greater the damage to the overvoltage protection device; the more lightning strikes, the more serious the loss of the overvoltage protection device, resulting in a shortened life cycle; in order to prevent the failure of the overvoltage lightning protection device, it is necessary to inspect the overvoltage lightning protection device and understand its life cycle, but during the inspection, due to the large number of overvoltage lightning protection devices and the high installation height, the inspection efficiency is low.

[0005] Therefore, there is an urgent need for a remote transmission device for the discharge data of overvoltage lightning protection equipment, which can collect the number of discharges, discharge current intensity, and discharge time of the lightning protection equipment and send the information to the background monitoring system or data center to understand the life cycle of the lightning protection equipment. Summary of the invention

[0006] The purpose of the present invention is to solve the shortcomings of the prior art and provide a remote transmission device for discharge data of overvoltage lightning protection equipment. The device collects the number of discharges, discharge current intensity, and discharge time of the lightning protection equipment and sends the information to a background monitoring system or a data center to grasp the life cycle of the lightning protection equipment.

[0007] In order to achieve the above object, the present invention adopts the following technical solutions:

[0008] A discharge data remote transmission device for overvoltage lightning protection equipment, comprising: a detection end and a receiving end, wherein the detection end and the receiving end communicate with each other through a wireless transmission module;

[0009] The detection end is used to collect discharge data and perform preliminary processing, data storage and transmission on the collected data; the receiving end is used to receive the output data of the detection section and perform data display, data storage, data analysis, overvoltage lightning protection equipment status assessment and user notification; the receiving end communicates with the user through a wireless transmission module.

[0010] Preferably, the detection end includes: a data acquisition module, a first data storage module, a first power supply module and a detection end control module; the detection end control module is electrically connected to the data acquisition module, the first data storage module and the first power supply module respectively; the first power supply module is electrically connected to the data acquisition module and the first data storage module respectively;

[0011] The data acquisition module is used to collect the discharge current intensity signal and the discharge time signal, and transmit the collected signals to the detection end control module;

[0012] The first data storage module is used to temporarily store the information collected by the data acquisition module; the detection end control module is used to control the signal acquisition cycle of the data acquisition module and the discharge data transmission cycle, and perform preliminary processing on the collected current signal.

[0013] Preferably, the receiving end includes: a second data storage module, a second power supply module and a receiving end control module; the receiving end control module is respectively connected to the second data storage module and the second power supply module in telecommunication; the receiving end control module is used to evaluate the status of the overvoltage lightning protection device based on the discharge data collected by the detection end, and send the evaluation result to the user.

[0014] Preferably, the wireless transmission module includes: a first transmission module, a second transmission module, and a mobile phone transmission module; the first transmission module is electrically connected to the detection end, and the second transmission module and the mobile phone transmission module are both telecommunication connected to the receiving end; discharge data transmission is realized between the detection end and the receiving end through the first transmission module and the second transmission module; the mobile phone transmission module is used to send signals to the user under the control of the receiving end.

[0015] Preferably, the data acquisition module includes: a first current acquisition circuit, a second current acquisition circuit and a time acquisition circuit; the first current acquisition circuit is used to acquire large currents, the second current acquisition circuit is used to acquire small currents, and the time acquisition circuit is used to record acquisition time when acquiring currents.

[0016] Preferably, the receiving end control module evaluates the state of the overvoltage lightning protection device according to the discharge time, the number of discharges and the discharge current intensity.

[0017] Preferably, the overvoltage lightning protection device status assessment is performed based on the following method:

[0018] Step 1: acquiring discharge data collected by the data collection module through the second transmission module, the discharge data including discharge time, discharge times and discharge current intensity;

[0019] Step 2, setting the overvoltage lightning protection equipment status evaluation standard through the receiving end control module, and generating a comprehensive evaluation standard through a weighted algorithm in combination with the discharge time, the number of discharges and the discharge current intensity;

[0020] Step 3: After the comprehensive evaluation standard is generated, the overvoltage lightning protection equipment status is divided into three categories according to the generated comprehensive evaluation standard: normal state, warning state, and dangerous state;

[0021] Step 4: The overvoltage lightning protection device status data is stored in the second data storage module through the receiving end control module, wherein the overvoltage lightning protection device status data includes: discharge data; discharge time, discharge times and discharge current intensity calculation weights; comprehensive evaluation criteria; overvoltage lightning protection device status;

[0022] Step 5: The receiving end control module sends the overvoltage lightning protection device status classification category to the user through the mobile phone end transmission module.

[0023] Preferably, the first current acquisition circuit includes: a current transformer interface U12, a sampling resistor R29, and an operational amplifier U11; the current transformer interface U12 is connected to the signal end of the current transformer, a sampling resistor R29 is connected in parallel between the two pins of the current transformer interface U12, the operational amplifier U11 signal input pin is respectively connected to the two ends of the sampling resistor R29, and the operational amplifier U11 signal output pin is connected to the detection end control module; the first current acquisition circuit and the second current acquisition circuit have the same structure, and the difference lies in the different resistance value of the sampling resistor R29.

[0024] Preferably, the time acquisition circuit uses an independent calendar chip for timing, and the calendar chip is powered by a first power module and a button battery dual power supply. The output of the first power module and the button battery first passes through a diode D3 and then is connected to the calendar chip; the calendar chip and the detection end control module use the IIC communication protocol for communication.

[0025] The present invention discloses a discharge data remote transmission device for overvoltage lightning protection equipment, which has the following beneficial effects.

[0026] The present invention can collect the number of discharges, discharge current intensity, and discharge time of the lightning protection device in real time through the detection end, and transmit the collected data to the receiving end through the wireless transmission module. The receiving end evaluates the state of the overvoltage lightning protection device based on the discharge data and sends the evaluation result to the user. The user can remotely monitor the state of the overvoltage lightning protection device, which greatly improves the convenience of the state management of the overvoltage lightning protection device. By comprehensively analyzing the discharge data of the overvoltage lightning protection device, the overvoltage lightning protection device state is classified into three categories: normal, warning, and dangerous, so that the user can judge the risk of failure of the overvoltage lightning protection device and take countermeasures in time; the frequency and cost of manual inspection are significantly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic block diagram of the overall system structure of the present invention.

[0028] Figure 2 This is a partial circuit schematic diagram of the first power module of the present invention.

[0029] Figure 3 This is a partial circuit schematic diagram of the first power module of the present invention.

[0030] Figure 4 This is a partial circuit schematic diagram of the first power module of the present invention.

[0031] Figure 5 This is a partial circuit schematic diagram of the first power module of the present invention.

[0032] Figure 6 This is a partial circuit schematic diagram of the first power module of the present invention.

[0033] Figure 7 This is a partial circuit schematic diagram of the data acquisition module of the present invention.

[0034] Figure 8 This is a partial circuit schematic diagram of the data acquisition module of the present invention.

[0035] Fig. 9 This is a partial circuit schematic diagram of the data acquisition module of the present invention.

[0036] Fig.10 This is a partial circuit schematic diagram of the first data storage module of the present invention.

[0037] Fig.11 This is a partial circuit schematic diagram of the first transmission module of the present invention.

[0038] Fig.12 This is a partial circuit schematic diagram of the detection end control module of the present invention.

[0039] Fig.13This is a partial circuit schematic diagram of the mobile phone transmission module of the present invention.

[0040] Fig.14 This is a partial circuit schematic diagram of the receiving end control module of the present invention.

[0041] In the accompanying drawings: 1. Detection end; 11. Data acquisition module; 12. First power module; 13. Detection end control module; 14. First data storage module; 2. Receiving end; 21. Second data storage module; 22. Second power module; 23. Receiving end control module; 3. Wireless transmission module; 31. First transmission module; 32. Second transmission module; 33. Mobile phone transmission module. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0043] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0044] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0045] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0046] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0047] Example 1

[0048] Reference Figure 1 , a discharge data remote transmission device for overvoltage lightning protection equipment, comprising: a detection end 1 and a receiving end 2, wherein the detection end 1 and the receiving end 2 communicate with each other through a wireless transmission module 3;

[0049] Detection terminal 1 is used for collecting discharge data, and for preliminary processing, data storage and transmission of the collected data;

[0050] Preferably, the detection end 1 in this embodiment includes: a data acquisition module 11, a first data storage module 14, a first power supply module 12 and a detection end control module 13; the detection end control module 13 is electrically connected to the data acquisition module 11, the first data storage module 14, and the first power supply module 12 respectively; the first power supply module 12 is electrically connected to the data acquisition module 11 and the first data storage module 14 respectively;

[0051] In this embodiment, the first power module 12 includes a power interface, a 12V to 5V step-down circuit, a 5V to 3.3V step-down circuit, a digital 3.3V to analog 3.3V step-down circuit, and a 3.3V to 1.25V step-down circuit. Figure 2 U4 is the main interface for connecting the battery. It is responsible for introducing the DC power provided by the battery into the detection terminal 1. U5 is specifically used to connect the battery charging port, allowing external charging devices to charge the battery through this interface; U2 is used as a switch interface to control the on and off of the power supply. The battery voltage after passing through U2 is output through its second pin, which we call node 1. The stable voltage output by node 1 will serve as the main power input for other circuits of detection terminal 1;

[0052] Please refer to Figure 3 , the 12V to 5V step-down circuit uses the step-down chip U1, which uses LMR14050SDDAR. The input of the step-down chip U1 comes from node 1, and the 12V voltage of node 1 is transmitted through Figure 3 The capacitors C6 and C in the filter the 12V power supply before it enters the second pin of U1. Figure 3 After the resistor R5 in the circuit, it enters the pin 3 of U1 to control the output of 5V voltage; Figure 3 The resistors R1 and R7 divide the output voltage and output it to the FB pin of U1 to achieve the function of controlling the output voltage. The 5V voltage is filtered by capacitors C2 and C3 and then output to provide power for the subsequent circuits, which we call node 2;

[0053] Please refer to Figure 4 , 5V to 3.3V step-down circuit uses step-down chip U10, step-down chip U10 adopts AMS1117, the input of step-down chip U10 comes from node 2, the 5V voltage of node 2 is filtered by capacitors C27 and C28, and then enters pin 3 of step-down chip U10, and outputs 3.3V after filtering by capacitors C29 and C30. The subsequent circuit 3.3V is output from here, which we call node 3;

[0054] Please refer to Figure 5 , the digital 3.3V to analog 3.3V step-down circuit uses a filter circuit composed of three components: capacitor C12, capacitor C13, and inductor L2. After filtering 3.3V, the required analog 3.3V can be obtained. It is labeled with 3V3_A and we call it node 4;

[0055] Please refer to Figure 6 , 3.3V to 1.25V step-down circuit uses reference voltage chip U9, reference voltage chip U9 adopts REF3012AIDBZR, its power supply part comes from node 3, filtered by the circuit composed of inductor L3 and capacitors C16 and C17, and input to pin 1 of reference voltage chip U9. After being processed by reference voltage chip U9, the voltage is output from pin 2 of reference voltage chip U9 and filtered by capacitor C18 to obtain 1.25V voltage, which we call node 5;

[0056] The data acquisition module 11 is used to collect the discharge current intensity signal and the discharge time signal, and transmit the collected signals to the detection end control module 13;

[0057] The first data storage module 14 is used to temporarily store the information collected by the data acquisition module 11; the detection end control module 13 is used to control the signal acquisition cycle and the discharge data transmission cycle of the data acquisition module 11, and to perform preliminary processing on the collected current signal. It should be understood that the detection end control module 13 controls the signal acquisition cycle and the discharge data transmission cycle of the data acquisition module 11, and can adopt a fixed period to collect discharge data and transmit discharge data. The period can be manually set and modified, and the collection period can be appropriately shortened during the thunderstorm season.

[0058] Preferably, the data acquisition module 11 in this embodiment includes: a first current acquisition circuit, a second current acquisition circuit and a time acquisition circuit; the first current acquisition circuit is used to acquire large currents, the second current acquisition circuit is used to acquire small currents, and the time acquisition circuit is used to record acquisition time when acquiring current.

[0059] As a preference, please refer to Figure 7 The first current acquisition circuit of this embodiment includes: a current transformer interface U12, a sampling resistor R29, and an operational amplifier U11; the operational amplifier U11 adopts OPA333AIDBVR, the current transformer interface U12 is connected to the signal end of the current transformer, and a sampling resistor R29 is connected in parallel between the two pins of the current transformer interface U12, the signal input pin of the operational amplifier U11 is respectively connected to the two ends of the sampling resistor R29, and the signal output pin of the operational amplifier U11 is connected to the detection end control module 13; the signal of the current transformer is converted into a voltage signal after passing through the sampling resistor R29, and then enters the operational amplifier U11 after being amplified after being filtered by the capacitor C31, and then filtered by the RC filter circuit composed of the resistor R130 and the capacitor C32, and then filtered by the capacitor C88 with content, and then connected to the detection end control module 13 through the ADC1 network label. The power supply of the first current acquisition circuit has two sources, namely, the analog 3.3V voltage from node 4 and the 1.25V voltage from node 5. The above analog 3.3V power supply is used to provide power for the operational amplifier U11, and the 1.25V power supply is used to bias the input to prevent the loss of negative voltage data. The first current acquisition circuit and the second current acquisition circuit have the same structure, and the difference lies in the different resistance value of the sampling resistor R29. The first current acquisition circuit is for large current detection, and the second current acquisition circuit is for small current detection.

[0060] As a preference, please refer to Figure 8 and Fig. 9 In this embodiment, the time acquisition circuit uses an independent calendar chip for timing. The calendar chip is powered by a first power module 12 and a button battery. The output of the first power module 12 and the button battery first passes through a diode D3 and then is connected to the calendar chip. When switching between the two power supplies, this design uses Figure 8 This design not only achieves seamless switching between the two power supplies and avoids mutual interference between them, but also ensures stable voltage output of the M_VBAT interface. Fig. 9As shown, the stable voltage output by the M_VBAT interface is filtered by the C44 capacitor to provide power for the calendar chip; the calendar chip uses LK8563T; the calendar chip and the detection end control module 13 use the IIC communication protocol for communication; in the implementation of the communication protocol, the resistor R4 is used for pull-up processing and then connected to the detection end control module 13, ensuring the stable communication of the RL_SDA (data) interface. At the same time, the RL_SCL (clock) interface is also connected to the detection end control module 13 in a similar way, thereby realizing seamless communication between the calendar chip and the detection end control module 13;

[0061] As a preference, please refer to Fig.10 In this embodiment, the first data storage module 14 partially uses SD card storage, using the SDIO interface reserved by the detection end control module 13, CARD1 is an SD card socket, the power supply is 3.3V, and the power supply comes from node 3.

[0062] like Fig.12 As shown, the detection end control module 13 adopts the STM32F429VET6 single chip microcomputer, the power supply comes from the node 4, and the convenient export of data is realized through the serial port communication with the U disk interface;

[0063] The receiving end 2 is used to receive the output data of the detection section, and perform data display, data storage, data analysis, overvoltage lightning protection equipment status assessment and user notification; the receiving end 2 communicates with the user through the wireless transmission module 3.

[0064] Preferably, the receiving end 2 in this embodiment includes: a second data storage module 21, a second power supply module 22 and a receiving end control module 23; the receiving end control module 23 is respectively connected to the second data storage module 21 and the second power supply module 22 in telecommunication; the receiving end control module 23 is used to evaluate the status of the overvoltage lightning protection equipment based on the discharge data collected by the detection end 1, and send the evaluation result to the user.

[0065] In this embodiment, the second data storage module 21 and the second power supply module 22 have the same structural principles as the first data storage module 14 and the first power supply module 12 and will not be described in detail again;

[0066] Preferably, the wireless transmission module 3 in this embodiment includes: a first transmission module 31, a second transmission module 32, and a mobile phone transmission module 33; the first transmission module 31 is electrically connected to the detection end 1, and the second transmission module 32 and the mobile phone transmission module 33 are both telecommunication connected to the receiving end 2; discharge data transmission is realized between the detection end 1 and the receiving end 2 through the first transmission module 31 and the second transmission module 32; the mobile phone transmission module 33 is used to send signals to the user under the control of the receiving end 2.

[0067] As a preference, please refer to Fig.11 In this embodiment, the first transmission module 31 uses a wireless transmission chip U13, and the wireless transmission chip U13 uses E220-400T22S to transmit data, wherein the power supply is 3.3V, and the power comes from node 3, wherein the main communication interfaces are UART2_TX and UART2_RX, and the M0, M1 and AUX pins are mode setting pins and initialization pins. The second transmission module 32 is the same as the first transmission module 31, and will not be repeated here;

[0068] As a preference, please refer to Fig.13 The mobile transmission module 33 uses 4G communication mode and adopts the AIR780E module. The DTU library of this module can accelerate the development process. This part can upload the data received by the receiving end 2 to the cloud and then send it to the user. The communication between the mobile transmission module 33 and the receiving end 2 control module is realized through serial communication; the AIR780E module pins 3 and 4 are the main communication interfaces of the module, and the remaining pins 5 and 6 are the reset and other function pins of the module.

[0069] like Fig.14 As shown, the receiving end control module 23 adopts the STM32F429VET6 single chip microcomputer, which realizes the convenient export of data through the serial port communication with the U disk interface; at the same time, it also displays the processed data to the user in an intuitive and dynamic way through the screen interface, thereby improving the readability and usability of the data.

[0070] Preferably, in this embodiment, the receiving end control module 23 evaluates the state of the overvoltage lightning protection device according to the discharge time, the number of discharges and the discharge current intensity.

[0071] Example 2

[0072] Based on Example 1, in this embodiment, the overvoltage lightning protection device status assessment is performed based on the following method:

[0073] Step 1: acquiring the discharge data collected by the data collection module 11 through the second transmission module 32, the discharge data including the discharge time, the number of discharges and the discharge current intensity;

[0074] Discharge time: record the specific time when each discharge event occurs and the length of time the current flows through the voltage lightning protection device.

[0075] Discharge times: count the total number of discharges within the set period.

[0076] Discharge current intensity: Measures the intensity of the current during each discharge.

[0077] Step 2, setting the overvoltage lightning protection device status evaluation standard through the receiving end control module 23, and generating a comprehensive evaluation standard through a weighted algorithm in combination with the discharge time, the number of discharges and the discharge current intensity;

[0078] The evaluation criteria combine the three indicators of discharge time, discharge number and discharge current intensity, and generate comprehensive evaluation results through a weighted algorithm, as follows:

[0079] Discharge time:

[0080] Normal state: discharge time is less than 0.5s (weight 0.2);

[0081] Warning state: discharge time is between 0.5s and 1.5s (weight 0.5);

[0082] Dangerous state: discharge time exceeds 1.5s (weight 1.0).

[0083] Discharge times:

[0084] Normal state: the number of discharges is less than 10 times (weight 0.2);

[0085] Warning state: the number of discharges is between 10 and 30 times (weight 0.5);

[0086] Dangerous state: The number of discharges exceeds 30 times (weight 1.0).

[0087] Discharge current intensity:

[0088] Normal state: discharge current intensity is less than 11kA (weight 0.2);

[0089] Warning status: the discharge current intensity is between 1kA and 5kA (weight 0.5);

[0090] Dangerous state: discharge current intensity exceeds 5kA (weight 2.0).

[0091] Comprehensive evaluation logic:

[0092] The status score of each indicator is calculated by weighting, and the total score ranges from 0 to 3;

[0093] It should be understood that the discharge time, discharge times and discharge current intensity threshold in this embodiment can be adjusted, and this application does not make any specific limitation on them. The specific weight data can also be adaptively adjusted;

[0094] Step 3: After the comprehensive evaluation standard is generated, the overvoltage lightning protection equipment status is divided into three categories according to the generated comprehensive evaluation standard: normal state, warning state, and dangerous state;

[0095] Normal state: total score is less than 1;

[0096] Warning status: total score between 1 and 2;

[0097] Dangerous status: total score is greater than 2.

[0098] Step 4: The overvoltage lightning protection device status data is stored in the second data storage module 21 through the receiving end control module 23, and the overvoltage lightning protection device status data includes: discharge data; discharge time, discharge times and discharge current intensity calculation weights; comprehensive evaluation criteria; overvoltage lightning protection device status;

[0099] Step 5: The receiving end control module 23 sends the overvoltage lightning protection device status classification category to the user through the mobile phone end transmission module 33.

[0100] Through the mobile transmission module 33, the receiving control module 23 pushes the status classification information of the overvoltage lightning protection device (including classification category, evaluation criteria, discharge data, etc.) to the user's mobile device or monitoring terminal. When the user receives the notification, he can take corresponding measures according to the status of the device, for example:

[0101] Normal status: Continue to use the device without any special treatment.

[0102] Warning status: It is recommended that users check the device regularly and pay attention to possible abnormal conditions.

[0103] Dangerous status: It is recommended that users immediately stop using the equipment and conduct detailed inspection and repair.

[0104] The above are only preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The substitution may be a substitution of a part of the structure, device, method step, or a complete technical solution. Any equivalent replacement or change according to the technical solution and the inventive concept of the present invention shall be covered within the protection scope of the present invention.

Claims

1. A discharge data remote transmission device for overvoltage lightning protection equipment, characterized in that: include: A detection end and a receiving end, wherein the detection end and the receiving end communicate with each other via a wireless transmission module; The detection end is used to collect discharge data and perform preliminary processing, data storage and transmission on the collected data; the receiving end is used to receive the output data of the detection section and perform data display, data storage, data analysis, overvoltage lightning protection equipment status assessment and user notification; the receiving end communicates with the user through a wireless transmission module.

2. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 1, characterized in that: The detection end includes: a data acquisition module, a first data storage module, a first power supply module and a detection end control module; the detection end control module is electrically connected to the data acquisition module, the first data storage module and the first power supply module respectively; the first power supply module is electrically connected to the data acquisition module and the first data storage module respectively; The data acquisition module is used to collect the discharge current intensity signal and the discharge time signal, and transmit the collected signals to the detection end control module; The first data storage module is used to temporarily store the information collected by the data acquisition module; the detection end control module is used to control the signal acquisition cycle of the data acquisition module and the discharge data transmission cycle, and perform preliminary processing on the collected current signal.

3. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 1, characterized in that: The receiving end includes: a second data storage module, a second power supply module and a receiving end control module; the receiving end control module is respectively connected to the second data storage module and the second power supply module by telecommunications; the receiving end control module is used to evaluate the status of the overvoltage lightning protection equipment based on the discharge data collected by the detection end, and send the evaluation result to the user.

4. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 1, characterized in that: The wireless transmission module includes: a first transmission module, a second transmission module, and a mobile phone transmission module; the first transmission module is electrically connected to the detection end, and the second transmission module and the mobile phone transmission module are both telecommunication connected to the receiving end; the detection end and the receiving end realize discharge data transmission through the first transmission module and the second transmission module; the mobile phone transmission module is used to send signals to the user under the control of the receiving end.

5. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 2, characterized in that: The data acquisition module includes: a first current acquisition circuit, a second current acquisition circuit and a time acquisition circuit; the first current acquisition circuit is used to acquire large currents, the second current acquisition circuit is used to acquire small currents, and the time acquisition circuit is used to record acquisition time when acquiring currents.

6. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 2, characterized in that: The receiving end control module evaluates the state of the overvoltage lightning protection device according to the discharge time, the number of discharges and the discharge current intensity.

7. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 6, characterized in that: The overvoltage lightning protection equipment status assessment is performed based on the following method: Step 1: acquiring discharge data collected by the data collection module through the second transmission module, the discharge data including discharge time, discharge times and discharge current intensity; Step 2, setting the overvoltage lightning protection equipment status evaluation standard through the receiving end control module, and generating a comprehensive evaluation standard through a weighted algorithm in combination with the discharge time, the number of discharges and the discharge current intensity; Step 3: After the comprehensive evaluation standard is generated, the overvoltage lightning protection equipment status is divided into three categories according to the generated comprehensive evaluation standard: normal state, warning state, and dangerous state; Step 4: The overvoltage lightning protection device status data is stored in the second data storage module through the receiving end control module, wherein the overvoltage lightning protection device status data includes: discharge data; discharge time, discharge times and discharge current intensity calculation weights; comprehensive evaluation criteria; overvoltage lightning protection device status; Step 5: The receiving end control module sends the overvoltage lightning protection device status classification category to the user through the mobile phone end transmission module.

8. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 5, characterized in that: The first current acquisition circuit includes: a current transformer interface U12, a sampling resistor R29, and an operational amplifier U11; the current transformer interface U12 is connected to the signal end of the current transformer, a sampling resistor R29 is connected in parallel between the two pins of the current transformer interface U12, a signal input pin of the operational amplifier U11 is respectively connected to the two ends of the sampling resistor R29, and a signal output pin of the operational amplifier U11 is connected to the detection end control module; the first current acquisition circuit has the same structure as the second current acquisition circuit, and the difference lies in the different resistance value of the sampling resistor R29.

9. The overvoltage lightning protection equipment discharge data remote transmission device according to claim 5, characterized in that: The time acquisition circuit uses an independent calendar chip for timing, and the calendar chip is powered by a first power module and a button battery dual power supply. The output of the first power module and the button battery first passes through a diode D3 and then is connected to the calendar chip; the calendar chip and the detection end control module use the IIC communication protocol for communication.

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