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Mini-size optical power meter capable of supporting of a plurality of communication modes

A communication method, the technology of optical power meter, which is applied in photometry, optical radiation measurement, photometry using electrical radiation detectors, etc., can solve the problems that analog signals are not easy to transmit over long distances, are easily lost, and are easily interfered. Achieve the effect of facilitating low-power measurement and reducing transmission interference

Inactive Publication Date: 2017-07-14
HANGZHOU BOYUAN PHOTOELECTRICAL TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The power meter supports multiple communication methods, which solves the problems that analog signals are not easy to be transmitted over long distances, easily interfered and easily lost, as well as the problems of miniaturization and easy integration

Method used

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  • Mini-size optical power meter capable of supporting of a plurality of communication modes
  • Mini-size optical power meter capable of supporting of a plurality of communication modes

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Experimental program
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Embodiment

[0024] see figure 1 , the optical power meter of the present invention includes: comprising an upper case 1, a lower case 2, and a double-layer circuit board 3; wherein, the upper case 1 of the optical power meter is provided with screw holes 41 and screw holes for fixing the upper case 1 and the lower case 2 42. Screw hole 43; the side of the lower shell 2 is equipped with metric M4 and imperial 8-32 common fixing holes 5, and the light inlet hole of the lower shell 2 is threaded for fixing the attenuator or connecting with integrated equipment.

[0025] The double-layer circuit board 3 is placed in the casing composed of the upper shell 1 and the lower shell 2, and the double-layer circuit board 3 is integrated with an optical signal acquisition board, an STM32F103 single-chip microcomputer and a communication mode selection interface, see figure 2 , the optical signal acquisition board is composed of UV-100L UV-enhanced Si detector, I / V conversion circuit, MAX4238 and A / D ...

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Abstract

The present invention discloses a mini-size optical power meter capable of supporting of a plurality of communication modes. The meter comprises a housing, a dual-layer circuit board and communication mode selection interfaces. The housing comprises an upper housing and a lower housing being in threaded connection with the upper housing; the dual-layer circuit board is arranged in the housing, the dual-layer circuit board integrates an optical signal collection board, a single-chip microcomputer and the communication mode selection interfaces; the optical signal collection board is formed by a detector, an I / V conversion circuit, a signal amplification circuit and an A / D conversion circuit which are connected in order; and the communication mode selection interfaces comprise a USB interface, a RS232 interface, a RS485 interface and a RS422 interface. The mini-size optical power meter capable of supporting of a plurality of communication modes are conveniently applied to different measurement systems.

Description

technical field [0001] The invention belongs to the field of optical power testing and application, in particular to a miniature optical power meter supporting multiple communication modes. Background technique [0002] Optical power meter is an instrument for measuring optical power. It is an indispensable and commonly used measuring instrument for measuring optical power and optical attenuation in some high-tech fields such as laser technology, optical communication, and optical fiber sensing. With the rapid development of laser technology and optical fiber application technology in China, the demand for optical power meters is increasing day by day, especially for optical power meters that are easy to carry, easy to operate, and stable in field operations and engineering construction sites. [0003] For example, the patent document with the publication number CN102252752A discloses a portable USB optical power meter, including a photodetector, which converts the power of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J1/42G01J1/02
CPCG01J1/42G01J1/0271
Inventor 隋成华陈晓明杨浩
Owner HANGZHOU BOYUAN PHOTOELECTRICAL TECH
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