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Intelligent remote transmission device and remote transmission instrument

A long-distance and intelligent technology, applied in the direction of instruments, signal transmission systems, measuring device casings, etc., can solve the problem that the signal transmission performance cannot meet the requirements of use, achieve good communication signal transmission function, and ensure the effect of electromagnetic shielding performance.

Active Publication Date: 2016-03-30
SHANGHAI JESON COMM ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, for the communication circuit placed in the metal cavity, the performance of anti-interference to external electromagnetic interference is very good, but the performance of signal transmission cannot meet the requirements of use

Method used

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  • Intelligent remote transmission device and remote transmission instrument
  • Intelligent remote transmission device and remote transmission instrument
  • Intelligent remote transmission device and remote transmission instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] The present invention is described in detail below in conjunction with accompanying drawing:

[0027] Such as Figure 1 to Figure 4 As shown, the intelligent remote transmission device includes a metal casing 1 , a first PCB board 2 and a second PCB board 3 . The metal shell 1 has a cavity 11 . The metal shell 1 is provided with an opening 12 . The opening 12 communicates with the cavity 11 . The first PCB board 2 is disposed in the cavity 11 . A grounding circuit and a communication signal transmission circuit (not shown in the figure) are provided on the first PCB board 2 .

[0028] A second PCB board 3 is installed at the opening 12 of the metal shell 1, and an antenna for transmitting communication signals is arranged on the second PCB board 3. In the example shown in the figure, the antenna includes a first antenna extending in a straight line Copper foil 34, and the bent second antenna copper foil 35. Both the first antenna copper foil 34 and the second ante...

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PUM

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Abstract

The invention discloses an intelligent remote transmission device and a remote transmission instrument. The intelligent remote transmission device comprises a metal shell with an accommodating cavity and an opening in communication with the accommodating cavity, a first PCB arranged in the accommodating cavity, and a second PCB provided with both an antenna for the transmission of communication signals and a transparent portion. Through the transparent portion, the interior of the accommodating cavity can be viewed. The second PCB board is electrically connected with the first PCB and is in communication connection with the first PCB. The second PCB is also provided with a metal layer for shielding electromagnetic signals. According to the technical scheme of the invention, the interference of the static electricity, the direct current, low-frequency signals and microwave high-frequency signals on a communication frequency-band circuit inside the intelligent remote transmission device can be effectively prevented.

Description

technical field [0001] The invention relates to an anti-electromagnetic interference intelligent remote transmission device and a remote transmission instrument. Background technique [0002] Existing gas meters, electric meters or water meters are usually non-intelligent devices, and non-intelligent devices usually include a casing, a casing of a gas meter counting device, and an upper cover shell plate of the gas meter counting device. For non-smart devices, the shell of the counting device and the upper cover of the counting device are generally made of plastic, and the antenna installed in the shell will not affect the sending and receiving of communication signals. For smart remote transmission equipment, in order to resist electromagnetic interference, the shell needs to be made of metal. The entire counting device shell and its cover plate constitute a metal cavity closed to electromagnetic signals. At this time, for the communication circuit placed in the metal cav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D11/26G08C17/02
Inventor 陈绍清周同国
Owner SHANGHAI JESON COMM ENG
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