Easily installed digitalization flash counter

An easy-to-install, counter technology, used in instruments, measuring devices, measuring electrical variables, etc., can solve the problems of difficult and cost-effective development of segment liquid crystal counters, and achieve the effect of saving power consumption and facilitating installation and transformation.

Inactive Publication Date: 2016-06-15
CHENGDU JETCOM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For lightning manufacturers, it is difficult to develop segment type liquid crystal counters, and the cost is too high; therefore, most manuf

Method used

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  • Easily installed digitalization flash counter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Set a button, the control chip is in a dormant state under normal conditions and does not display data. After pressing the button, it will be displayed for a period of time. The length of time can be discussed according to the actual situation. The display time is adjustable, generally about 5s. The second function is to reset the display to the initial state of "00". The two functions are distinguished by the length of time pressed. In this way, the battery alone can support its operation for no less than 5 years.

Embodiment 2

[0022] In terms of signal acquisition, using the traditional magnetic ring socket method, a wire and a magnetic ring can be made into a counting sensor, and then the sensor is placed on the PE line of the discharge current. The engineering installation is very simple.

Embodiment 3

[0024] The easy-to-install digital lightning counter is installed on the lightning protection module that needs to discharge the lightning current, such as the grounding wire of the surge protector, and the initial counting current is 1kA (8 / 20μs).

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Abstract

The present invention discloses an easily installed digitalization flash counter, and relates to the field of the lightning protection microelectronic technology. The majorities of traditional flash counters have the same width as double modules and too large sizes, cannot install because of the original structure size problem, and need alternating current to supply power so as to have to consider the size, the cost, the safety and higher electromagnetic compatibility (EMC). The easily installed digitalization flash counter adopts an 18mm structure, which has the same width as a single module, as a shape, the size of the single module is helpful for engineering installation of more occasions; and moreover, a battery-powered shield display is employed with no need for considering the safety and the EMC too much.

Description

technical field [0001] The invention relates to the technical field of lightning protector and single-chip microelectronics, in particular to a lightning counter controlled by a single-chip microcomputer. Background technique [0002] In recent years, lightning disasters have always been a serious natural disaster in our country and even in the world. Like most other natural disasters, human beings cannot change its occurrence and can only reduce its damage through other defensive measures, so lightning protection electronics and Lightning protection engineering and other related industries. Most of the current lightning arresters discharge the lightning current through zinc oxide varistors, gas discharge tubes, and transient diodes. Major companies have also made great efforts to optimize technical parameters such as flow rate and residual voltage. The current surge arresters are designed with the goal of large flow and low residual voltage. [0003] Since the waveform of...

Claims

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Application Information

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IPC IPC(8): G01R19/17
Inventor 李亮
Owner CHENGDU JETCOM TECH
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