Novel direct lightning waveform acquisition system
By introducing a host computer for detection and judgment into the direct lightning waveform acquisition system, and selectively controlling the opening and closing of the lightning current acquisition sensor, the problems of traditional systems being susceptible to environmental interference, having slow response speed, and high power consumption are solved, thus achieving more efficient lightning waveform acquisition.
Patent Information
- Application Number
- CN202520326455.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Traditional direct lightning waveform acquisition systems are susceptible to environmental interference, have slow response speeds, and consume a lot of power, making it difficult to meet the needs of modern lightning research and protection design.
The system uses a host computer to detect and judge lightning strikes, selectively controls the opening and closing of the lightning current acquisition sensor, and uses atmospheric electric field strength to determine lightning events. The lightning current ADC acquisition module works when the atmospheric electric field strength is higher than 1000V/m and goes into sleep mode when it is lower than 1000V/m.
This reduces the operating time of the lightning acquisition section, decreases environmental noise interference, improves the system's response speed, and reduces power consumption.
Smart Images
Figure CN223770283U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of direct lightning waveform acquisition system. Background Technology
[0002] A direct lightning strike waveform acquisition system is used to record the current and voltage waveforms generated during a direct lightning strike, which is crucial for lightning research and protection design. The main function of this system is to acquire lightning waveforms. To acquire these waveforms, the sampling frequency of the system must reach at least 2MHz, meaning at least one current sampling point every 0.5μs. Because lightning in the natural environment is random and unpredictable, the system needs to operate in real-time. However, traditional devices suffer from susceptibility to environmental interference, slow response speed, and high power consumption, making them unsuitable for modern applications. Utility Model Content
[0003] The purpose of this invention is to provide a novel direct lightning strike waveform acquisition system, which solves the problems of easy interference from clutter, high power consumption, and short lifespan when the direct lightning strike waveform acquisition system is used for real-time acquisition in all weather conditions.
[0004] To achieve the above objectives, this utility model proposes a novel direct lightning waveform acquisition system, comprising a host computer for the direct lightning waveform acquisition system, a first remote communication module, a second remote communication module, a first data processing unit, a second data processing unit, an atmospheric electric field ADC acquisition module, a lightning current ADC acquisition module, an atmospheric electric field acquisition sensor, and a lightning current acquisition sensor, wherein:
[0005] The host computer of the direct lightning waveform acquisition system is connected to the atmospheric electric field ADC acquisition module through the first data processing unit. The atmospheric electric field ADC acquisition module is equipped with the atmospheric electric field acquisition sensor with signal connection.
[0006] The host computer of the direct lightning waveform acquisition system is connected to the lightning current ADC acquisition module through the second data processing unit. The lightning current ADC acquisition module is equipped with the lightning current acquisition sensor with signal connection.
[0007] The host computer of the direct lightning waveform acquisition system is used to make working judgments based on the acquired atmospheric field strength data, so as to selectively control the opening and closing of the lightning current acquisition sensor.
[0008] Furthermore, in the novel direct lightning waveform acquisition system, a first remote communication module with a signal connection is provided between the host computer of the direct lightning waveform acquisition system and the first data processing unit; a second remote communication module with a signal connection is provided between the host computer of the direct lightning waveform acquisition system and the second data processing unit.
[0009] Furthermore, in the novel direct lightning waveform acquisition system, the atmospheric electric field ADC acquisition module acquires the atmospheric field strength in the atmosphere in real time through the atmospheric electric field acquisition sensor, and sends the acquired data to the first data processing unit for filtering and calculation. The processed data is then sent to the host computer of the direct lightning waveform acquisition system in real time through the first remote communication module.
[0010] Furthermore, in the novel direct lightning waveform acquisition system, the host computer of the direct lightning waveform acquisition system sends instructions to the second data processing unit through the second remote communication module to control the lightning current ADC acquisition module to start lightning sampling through the lightning current acquisition sensor.
[0011] Furthermore, in the novel direct lightning waveform acquisition system, if the atmospheric field strength data acquired by the atmospheric electric field acquisition sensor is greater than 1000V / m, the lightning current acquisition sensor starts working; if the atmospheric field strength data acquired by the atmospheric electric field acquisition sensor is less than 1000V / m, the lightning current acquisition sensor shuts down.
[0012] Furthermore, in the novel direct lightning waveform acquisition system, the lightning current acquisition sensor is equipped with a flexible coil, a signal conditioning differential circuit, and a signal conditioning integral circuit, and the lightning current ADC acquisition module is equipped with a lightning current ADC acquisition circuit. The lightning current is sequentially connected to the flexible coil, the signal conditioning differential circuit, the signal conditioning integral circuit, and the lightning current ADC acquisition circuit.
[0013] Compared with the prior art, the beneficial effects of this utility model are mainly reflected in the following: the host computer of the direct lightning waveform acquisition system is used for detection and judgment to selectively control the opening and closing of the lightning current acquisition sensor. If the detected atmospheric field strength data is greater than 1000V / m, the lightning current ADC acquisition module is in working mode; if the atmospheric field strength data is less than 1000V / m, the lightning current ADC acquisition module is in sleep mode. Attached Figure Description
[0014] Figure 1 This is a functional structure diagram of the novel direct lightning waveform acquisition system of this utility model;
[0015] Figure 2 This is a schematic diagram of the operation of the lightning current acquisition sensor in this utility model. Detailed Implementation
[0016] The novel direct lightning waveform acquisition system of this utility model will be described in more detail below with reference to the schematic diagrams, which illustrate preferred embodiments of this utility model. It should be understood that those skilled in the art can modify the utility model described herein while still achieving the advantageous effects of this utility model. Therefore, the following description should be understood as being of general knowledge to those skilled in the art and is not intended to limit this utility model.
[0017] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.
[0018] In this utility model, unless otherwise explicitly specified and limited, the terms "assembly," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection; they can refer to a direct connection or a connection through an intermediate medium; or they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature, and in this description of the utility model, "at least" means one or more, unless otherwise explicitly specified.
[0020] The present invention will be described in more detail below by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer from the following description. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.
[0021] like Figure 1As shown, this utility model proposes a novel direct lightning waveform acquisition system, including a host computer 1, a first remote communication module 2, a second remote communication module 3, a first data processing unit 4, a second data processing unit 5, an atmospheric electric field ADC acquisition module 6, a lightning current ADC acquisition module 7, an atmospheric electric field acquisition sensor 8, and a lightning current acquisition sensor 9, wherein:
[0022] The host computer 1 of the direct lightning waveform acquisition system is connected to the atmospheric electric field ADC acquisition module 6 through the first data processing unit 4, and the host computer 1 of the direct lightning waveform acquisition system and the first data processing unit 4 are provided with a first remote communication module 2 with signal connection. The atmospheric electric field ADC acquisition module 6 is provided with an atmospheric electric field acquisition sensor 8 with signal connection.
[0023] The host computer 1 of the direct lightning waveform acquisition system is connected to the lightning current ADC acquisition module 7 through the second data processing unit 5, and the host computer 1 of the direct lightning waveform acquisition system and the second data processing unit 5 are provided with a second remote communication module 3 for signal connection. The lightning current ADC acquisition module 7 is provided with the lightning current acquisition sensor 9 for signal connection.
[0024] Specifically, the atmospheric electric field ADC acquisition module 6 acquires atmospheric field strength in real time through the atmospheric electric field acquisition sensor 8, with a sampling frequency of one atmospheric field strength data point per second. The sampling frequency can be adjusted according to the drastic changes in the amplitude of the atmospheric field strength. The acquired atmospheric field strength data is sent to the first data processing unit 4 for filtering and calculation, and then the processed atmospheric field strength data is sent in real time to the host computer 1 of the direct lightning waveform acquisition system through the first remote communication module 2.
[0025] Meanwhile, the host computer 1 of the direct lightning waveform acquisition system makes a working judgment based on the collected atmospheric field strength data, so as to selectively control the opening and closing of the lightning current acquisition sensor 9. That is, the host computer 1 of the direct lightning waveform acquisition system sends a control command to the second data processing unit 5 through the second remote communication module 3, and controls the lightning current ADC acquisition module 7 to start or stop the lightning sampling work through the lightning current acquisition sensor 9.
[0026] If the atmospheric field strength data collected by the atmospheric electric field acquisition sensor 8 is greater than 1000V / m, the host computer 1 of the direct lightning waveform acquisition system determines that the thundercloud is approaching and a lightning strike event may occur, and then controls the lightning current acquisition sensor 9 to start working.
[0027] If the atmospheric field strength data collected by the atmospheric electric field acquisition sensor 8 is less than 1000V / m, the host computer 1 of the direct lightning waveform acquisition system determines that there is no lightning risk in the current environment, and controls the lightning current acquisition sensor 9 to shut down.
[0028] Therefore, by first determining the lightning current acquisition sensor 9 and then turning it on and off, this working mode can greatly reduce the working time of the lightning acquisition part and also eliminate the problem of noise interference to the lightning current acquisition sensor 9 during periods when there is no lightning in the environment.
[0029] Furthermore, such as Figure 2 As shown, the lightning current acquisition sensor 9 includes a flexible coil 10, a signal conditioning differential circuit 11, and a signal conditioning integral circuit 12. The lightning current ADC acquisition module 7 includes a lightning current ADC acquisition circuit 13. The lightning current is sequentially connected to the flexible coil 10, the signal conditioning differential circuit 11, the signal conditioning integral circuit 12, and the lightning current ADC acquisition circuit 13. That is, when the lightning current ADC acquisition module 7 starts lightning sampling, if the flexible coil 10 senses a lightning current, the high-amplitude induced voltage generated by the flexible coil 10 will pass through the signal conditioning differential circuit 11 and the signal conditioning integral circuit 12 to send the lightning waveform to the lightning current ADC acquisition circuit 13 for waveform sampling.
[0030] In summary, the novel direct lightning waveform acquisition system proposed in this embodiment utilizes a host computer for detection and judgment to selectively control the activation and deactivation of the lightning current acquisition sensor. If the detected atmospheric field strength data is greater than 1000V / m, the lightning current ADC acquisition module is in working mode; if the atmospheric field strength data is less than 1000V / m, the lightning current ADC acquisition module is in sleep mode.
[0031] The above are merely preferred embodiments of this utility model and do not constitute any limitation on this utility model. Any equivalent substitutions or modifications made by those skilled in the art to the technical solutions and contents disclosed in this utility model without departing from the scope of the technical solutions of this utility model shall still fall within the protection scope of this utility model.
Claims
1. A novel direct lightning waveform acquisition system, characterized by, The direct lightning waveform acquisition system host computer (1) is connected with the atmospheric electric field ADC acquisition module (6) through the first data processing unit (4), and the atmospheric electric field ADC acquisition module (6) is provided with the signal-connected atmospheric electric field acquisition sensor (8). The direct lightning waveform acquisition system host computer (1) is connected with the lightning current ADC acquisition module (7) through the second data processing unit (5), and the lightning current ADC acquisition module (7) is provided with the signal-connected lightning current acquisition sensor (9). The direct lightning waveform acquisition system host computer (1) is used for judging the work according to the collected atmospheric field intensity data, so as to selectively control the opening and closing of the lightning current acquisition sensor (9). The direct lightning waveform acquisition system host computer (1) and the first data processing unit (4) are provided with the signal-connected first remote communication module (2); and the direct lightning waveform acquisition system host computer (1) and the second data processing unit (5) are provided with the signal-connected second remote communication module (3).
2. The novel direct lightning waveform acquisition system according to claim 1, characterized in that, The atmospheric electric field ADC acquisition module (6) collects the atmospheric field intensity in the atmosphere through the atmospheric electric field acquisition sensor (8) in real time, and sends the collected data to the first data processing unit (4) for filtering and calculation, and then sends the processed data to the direct lightning waveform acquisition system host computer (1) through the first remote communication module (2) in real time.
3. The novel direct lightning waveform acquisition system according to claim 2, characterized in that, The direct lightning waveform acquisition system host computer (1) sends an instruction to the second data processing unit (5) through the second remote communication module (3), so as to control the lightning current ADC acquisition module (7) to start lightning sampling work through the lightning current acquisition sensor (9).
4. The novel direct lightning waveform acquisition system according to claim 2, characterized in that, If the data of the atmospheric field intensity collected by the atmospheric electric field acquisition sensor (8) is greater than 1000V / m, the lightning current acquisition sensor (9) starts to work; if the data of the atmospheric field intensity collected by the atmospheric electric field acquisition sensor (8) is less than 1000V / m, the lightning current acquisition sensor (9) stops to work.
5. The novel direct lightning waveform acquisition system according to claim 1, characterized in that, The lightning current acquisition sensor (9) is provided with a flexible coil (10), a signal conditioning differential circuit (11) and a signal conditioning integral circuit (12), and the lightning current ADC acquisition module (7) is provided with a lightning current ADC acquisition circuit (13), and the lightning current is connected with the flexible coil (10), the signal conditioning differential circuit (11), the signal conditioning integral circuit (12) and the lightning current ADC acquisition circuit (13) in sequence.
6. The novel direct lightning waveform acquisition system according to claim 1, characterized in that,