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Equipment grounding real time monitoring device

A real-time monitoring and equipment grounding technology, applied in measuring devices, grounding resistance measurement, instruments, etc., can solve problems such as ground wire breakage, equipment electrostatic discharge channel interruption, product over-electric damage, etc., to prevent damage and ensure electrostatic discharge. The effect of the loop

Inactive Publication Date: 2019-03-08
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method of regular spot inspection is prone to problems: it is impossible to judge the real-time connection status during the production process. earth, thus causing electrical damage to the product

Method used

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0018] Aspects of the invention are described in this disclosure with reference to the accompanying drawings, which show a number of illustrated embodiments. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of numerous ways, since the concepts and embodiments disclosed herein are not limited to any implementation. In addition, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

[0019] Such as figure 2 As shown, it mainly involves three parts: the monitoring device 30, the equipment 20, and the ground 10, wherein the ground refers to the ESD ground that can be...

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Abstract

The invention provides an equipment grounding real time monitoring device. The equipment grounding real time monitoring device includes an MCU processor for calculation, a low voltage power supply, anA / D conversion module, an LCD display unit and an interface module for connecting the MCU processor, wherein the A / D conversion module includes a sampling resistor, a signal processing module and anA / D converter; after a plurality of equipments are connected to the interface module, the voltage of the low voltage power supply forms a sampling voltage after passing through the sampling resistor and the equipments; after the sampling voltage is filtered and amplified through the signal processing module, the sampling voltage performs A / D conversion by the A / D converter; the A / D converter converts the sampling voltage into a digital signal and transmits the digital signal to the MCU processor; and the MCU processor displays the digital signal on the LCD display unit. The equipment groundingreal time monitoring device can effectively remind the relevant personnel to carry out grounding maintenance of the equipment to ensure smoothness of the static electricity discharge loop and preventthe static electricity damaging the components.

Description

technical field [0001] The invention relates to the technical field of equipment grounding monitoring, in particular to a device for real-time monitoring of equipment grounding. Background technique [0002] Electrical over-damage (EOD) may cause fatal damage to delicate electronic parts. With the increasing sensitivity of electronic components used in electronic products, the requirements for static control in the manufacturing environment of electronic products are becoming more and more stringent. The equipment used in production (such as electric soldering iron, hot melt glue gun, electric batch, wave soldering equipment) also needs to ensure that its grounding is reliable. The current industry operation method is to regularly use a multimeter to measure the resistance of the equipment to the ground to see if it is within the range. However, this method of regular spot inspection is prone to problems: it is impossible to judge the real-time connection status during the ...

Claims

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Application Information

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IPC IPC(8): G01R31/02G01R27/20G01R1/02G08B21/18
CPCG01R1/02G01R27/205G01R31/50G08B21/182
Inventor 钟雄斌陈友桂闫红庆蔡小洪刘洪明钟明生王文斌吴超崔耿贤张文星马冠群
Owner GREE ELECTRIC APPLIANCES INC