Lightning surge counting and monitoring device with low power consumption

Abstract

The utility model discloses a low-power-consumption lightning surge counting and monitoring device, which comprises a main control circuit board, a display module, a battery, an isolation acquisition circuit module and a lightning stroke current sensor, wherein the main control circuit board, the display module, the battery and the isolation acquisition circuit module are packaged in an outer shell; the display module, the battery and the isolation acquisition circuit module are respectively and electrically connected with the main control circuit board, the display module is arranged on the front surface of the main control circuit board and is exposed from the upper surface of the outer shell, the battery and the isolation acquisition circuit module are arranged on the rear surface of the main control circuit board, the main control circuit board is provided with a wiring terminal, and the wiring terminal is electrically connected with the main control circuit board. And the lightning stroke current sensor is electrically connected to the wiring terminal and is connected with external lightning protection equipment. The lightning surge protection device can record the number of lightning strokes and display the number of lightning strokes through the display module, so that maintenance personnel can conveniently evaluate and maintain the damage degree of the lightning surge protection device. Furthermore, the device adopts a low-power-consumption circuit design, and is particularly suitable for outdoor monitoring places or monitoring places where power supply is inconvenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power lightning protection, specifically relates to a low -power lightning surge counting monitoring device. BACKGROUND

[0002] With the vigorous development of power electronics, industrial power grids are spread in various environments, in order to effectively prevent the influence of space lightning field on power grid, power and electronic equipment, people have invented many lightning surge protection devices, but these protection devices cause different procedures of damage after being struck by lightning, maintenance personnel cannot determine the degree of damage of the protection device and the specific time of causing damage, and it is difficult to evaluate the service life of the protection device. The degree of damage of lightning surge protection device is related to the number of lightning strikes, therefore, it is necessary to provide a lightning surge counting monitoring device capable of recording the number of lightning strikes and conveniently providing maintenance personnel. SUMMARY

[0003] Therefore, the utility model embodiment provides a low -power lightning surge counting monitoring device, which mainly solves the problem of how to accurately record the number of lightning strikes and conveniently provide maintenance personnel, and further enhances the risk assessment ability of the power system.

[0004] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0005] A low -power lightning surge counting monitoring device, which comprises a main control circuit board, a display module, a battery and an isolation acquisition circuit module packaged in the inside of the shell body, and further comprises a lightning current sensor arranged outside the shell body; the display module, the battery and the isolation acquisition circuit module are electrically connected with the main control circuit board respectively, the display module is arranged on the front surface of the main control circuit board and exposed from the upper surface of the shell body, the battery and the isolation acquisition circuit module are arranged on the rear surface of the main control circuit board, the main control circuit board is provided with a wiring terminal connected to the input end of the isolation acquisition circuit module, and the lightning current sensor is electrically connected to the wiring terminal and connected with external lightning protection equipment.

[0006] Further, the wiring terminal is located on the rear surface of the main control circuit board.

[0007] Further, the front surface of the main control circuit board is connected with a switch key, and the switch key is exposed from the upper surface of the shell body.

[0008] Further, the upper surface of the shell body is provided with a first window and a second window, the display module is exposed to the first window, and the switch key is exposed to the second window.

[0009] Further, the battery is a button battery.

[0010] The low-power lightning surge counting monitoring device provided by the embodiment of the utility model can acquire lightning surge signals through the lightning current sensor and the isolation acquisition circuit module, record the number of lightning strikes of the lightning surge protection device, and display the data of the number of lightning strikes through the display module, so as to provide the maintenance personnel in a visual manner, which can facilitate the maintenance personnel to evaluate and maintain the damage degree of the lightning surge protection device, improve the safety of the power system, and enhance the risk assessment capability of the power system. Further, the device adopts a low-power circuit design, and only one battery is needed to work for a long time, which is extremely convenient to install and maintain, and is particularly suitable for outdoor or inconveniently powered monitoring sites. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a connection structure diagram of the front surface of the main control circuit board in the utility model;

[0012] Figure 2 It is a connection structure diagram of the rear surface of the main control circuit board in the utility model;

[0013] Figure 3 It is a structure diagram of the upper surface of the lightning surge counting monitoring device in the utility model. DETAILED DESCRIPTION

[0014] The embodiments of the utility model will be described below by specific examples. Those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0015] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection of the utility model.

[0016] The terms such as "up", "down", "left", "right", "middle" and the like cited in the specification are only for the convenience of clear description, not to limit the scope of implementation of the utility model. The change or adjustment of the relative relationship is also regarded as the scope of implementation of the utility model without substantial change of technical content.

[0017] The utility model discloses a low -power lightning surge counting monitoring device, refer to Figures 1 to 3 , lightning surge counting monitoring device mainly includes main control circuit board 1, display module 2, battery 3, isolated acquisition circuit module 4, lightning current sensor 5 and shell 6. Among them, main control circuit board 1, display module 2, battery 3 and isolated acquisition circuit module 4 are encapsulated in the inside of shell 6, and lightning current sensor 5 is arranged outside shell 6.

[0018] Specifically, in the inside of shell 6, display module 2, battery 3 and isolated acquisition circuit module 4 are electrically connected with main control circuit board 1 respectively, display module 2 is arranged on the front surface 11 of main control circuit board 1 and is exposed from the upper surface of shell 6, and battery 3 and isolated acquisition circuit module 4 are arranged on the rear surface 12 of main control circuit board 1.

[0019] Specifically, main control circuit board 1 is provided with wiring terminal 7 connected to the input end of isolated acquisition circuit module 4, and lightning current sensor 5 is electrically connected to wiring terminal 7 and connected with external lightning protection equipment.

[0020] Among them, battery 3 provides working power supply for the device, and battery (3) preferably adopts a button cell. Lightning current sensor 5 is connected with external lightning protection equipment (such as lightning surge protection device), and real-time monitoring of lightning surge signal is carried out. Isolated acquisition circuit module 4 collects lightning surge signals monitored by lightning current sensor 5 and transmits the signals to main control circuit board 1 for processing. Main control circuit board 1 records and stores the number of lightning strikes according to the signals collected by isolated acquisition circuit module 4, and transmits data to display module 2 for visual display. Among them, main control circuit board 1 and isolated acquisition circuit module 4 both select low-power circuits, and display module 2 selects a low-power LED display module.

[0021] In the embodiment, as shown in Figure 2 , wiring terminal 7 is located on the rear surface 12 of main control circuit board 1, and lightning current sensor 5 is connected to wiring terminal 7 through a circuit connection line.

[0022] In the embodiment, as shown in Figure 1 And Figure 3 , a switch button 8 is connected to the front surface 11 of main control circuit board 1, and the switch button 8 is exposed from the upper surface of shell 6. Specifically, the upper surface of shell 6 is provided with a first window 61 and a second window 62, display module 2 is exposed to the first window 61, and switch button 8 is exposed to the second window 62.

[0023] Based on the low-power lightning surge counting monitoring device provided in the above embodiment, the lightning stroke current sensor and the isolation acquisition circuit module can acquire the lightning stroke surge signal, record the number of lightning strokes of the lightning surge protection device, and display the data of the number of lightning strokes through the display module to provide the maintenance personnel with a visual way. The maintenance personnel can conveniently evaluate and maintain the damage degree of the lightning surge protection device, which can improve the safety of the power system and enhance the risk assessment ability of the power system.

[0024] Further, the device adopts a low-power circuit design, and only one battery is needed for long-term work. The installation and maintenance are extremely convenient, and it is particularly suitable for outdoor or inconvenient power supply monitoring sites.

[0025] The above is only a specific embodiment of the present application. It should be noted that for ordinary skilled persons in the technical field, several improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A low power lightning surge count monitoring device, characterized by, The application relates to a lightning current sensor, which comprises a main control circuit board (1) enclosed in an outer shell (6), a display module (2), a battery (3) and an isolated acquisition circuit module (4), and further comprises a lightning current sensor (5) arranged outside the outer shell (6); the display module (2), the battery (3) and the isolated acquisition circuit module (4) are electrically connected with the main control circuit board (1) respectively, the display module (2) is arranged on the front surface (11) of the main control circuit board (1) and exposed from the upper surface of the outer shell (6), the battery (3) and the isolated acquisition circuit module (4) are arranged on the rear surface (12) of the main control circuit board (1), a connecting terminal (7) connected to the input end of the isolated acquisition circuit module (4) is arranged on the main control circuit board (1), and the lightning current sensor (5) is electrically connected with the connecting terminal (7) and connected with external lightning protection equipment.

2. The lightning surge count monitoring device of claim 1, wherein, The connecting terminal (7) is arranged on the rear surface (12) of the main control circuit board (1).

3. The lightning surge count monitoring device of claim 1, wherein, A switch button (8) is connected to the front surface (11) of the main control circuit board (1) and exposed from the upper surface of the outer shell (6).

4. The lightning surge count monitoring device of claim 3, wherein, The upper surface of the outer shell (6) is provided with a first window (61) and a second window (62), the display module (2) is exposed to the first window (61), and the switch button (8) is exposed to the second window (62).

5. The lightning surge count monitoring device of claim 1, wherein, The battery (3) is a button battery.

Images