Spectral data acquisition and transmission system and operating and application methods thereof

A spectrum data and transmission system technology, applied in spectrum investigation and other directions, can solve the problems of large size, poor flexibility and difficult detection of spectrometers, and achieve the effect of flexible data transmission mode, simple peripheral circuit and compact structure

Inactive Publication Date: 2014-03-26
SHENZHEN INST OF ADVANCED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to solve the problem that the spectrometer based on CCD sensor and FPGA chip is large in size, complex in timing drive, poor in flexibility, and difficult to

Method used

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  • Spectral data acquisition and transmission system and operating and application methods thereof
  • Spectral data acquisition and transmission system and operating and application methods thereof
  • Spectral data acquisition and transmission system and operating and application methods thereof

Examples

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Example Embodiment

[0044] Example one

[0045] figure 1 It is a schematic diagram of a spectral data collection and transmission system provided in the first embodiment of the present invention. See figure 1 , The system includes:

[0046] Main control module 11: connected to the sensing module 12, signal conditioning module 13, transmission module 14 and power supply module 15, used to generate timing control signals, and use the generated timing control signals to drive the sensing module 12; also used for signal conditioning The analog voltage signal output by the module 13 is converted into a digital signal to obtain spectrum data, and the converted spectrum data is output to the transmission module 14;

[0047] Further, the main control module 11 is also used to adjust the integration time of the sensing module 12 to adapt to different strong and weak spectral signals;

[0048] In this embodiment, the main control module 11 is specifically an ARM chip. The ARM chip generates a timing control signa...

Example Embodiment

[0064] Example two

[0065] The second embodiment of the present invention provides a distributed multi-point spectral data collection network composed of a spectrometer and a host computer that adopts the spectral data collection and transmission system described in the first embodiment, and a method for forming the distributed multi-point spectral data collection network The method and the method in which the upper computer in the distributed multi-point spectral data acquisition network sends data to the target device.

[0066] As described in the first embodiment, the spectrometer using the spectral data acquisition and transmission system provided in the first embodiment can transmit data with the host computer via Bluetooth. Furthermore, through the wireless networking of Bluetooth, it can be formed as Figure 5 The shown distributed multi-point spectrum data acquisition network realizes data acquisition and analysis of multiple spectrometers to meet the needs of multi-point ...

Example Embodiment

[0080] Example three

[0081] The third embodiment of the present invention provides a working method of a spectral data collection and transmission system. See Figure 8 , The method specifically includes:

[0082] Step 401: Initialize the system and perform self-checking of each module. If there is a problem, report to the upper computer; if there is no problem, perform step 402 after the initialization is completed;

[0083] Step 402: Wait to receive the protocol packet sent by the upper computer, and execute step 403 after receiving the protocol packet sent by the upper computer;

[0084] Specifically, the protocol package sent by the host computer includes: Bluetooth protocol package, CMOS configuration protocol package and basic package;

[0085] Among them, the Bluetooth protocol package includes the destination address, hop count and next hop address;

[0086] The CMOS configuration protocol package includes the acquisition mode, resolution mode, integration time, and CMOS star...

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Abstract

The invention discloses a spectral data acquisition and transmission system and operating and application methods thereof and belongs to the technical field of spectrum analyzers. The system comprises a master control module, a sensing module, a signal conditioning module, a transmission module, and a power supply module. The master control module is used for driving the sensing module to convert analog voltage signals that the signal conditioning module outputs, into spectral data output to the transmission module. The sensing module is driven by the master control module to photoelectrically convert spectral signals that are focused on the sensing module, to obtain analog voltage signals of pixels, and sequentially outputting the signals to the signal conditioning module. The signal conditioning module is used for converting the voltage of the analog voltage signals which the sensing module outputs, and outputting the signals to the master control module. The transmission module is used for transmitting the spectral data which the master control module outputs, to an upper computer. The power supply module powers the system. The spectral data acquisition and transmission system is compact in structure and applicable to miniature spectrographs. The spectral data acquisition and transmission system has the flexible data transmission mode; through the system, a distributed multi-point spectral data acquisition network can be achieved by Bluetooth networking.

Description

technical field [0001] The invention relates to the technical field of spectral analysis instruments, in particular to a spectral data collection and transmission system. Background technique [0002] The spectrometer is an important analytical instrument for analyzing the color or chemical composition of a sample according to the characteristic spectral absorption / radiation of the substance, and has a wide range of applications in environmental monitoring, food hygiene, biomedicine, petrochemical metallurgy and other fields. [0003] Traditional spectrometers are not only bulky, but also have harsh conditions and high cost, so they can only be used in laboratories. In contrast, the micro spectrometer has the advantages of small size, portability and simple use, and its spectral resolution is sufficient to meet the measurement requirements of general application fields, so it is especially suitable for on-site and online rapid detection. Miniaturization has become an inevit...

Claims

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Application Information

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IPC IPC(8): G01J3/28
Inventor 林慧龙光乾张国栋
Owner SHENZHEN INST OF ADVANCED TECH
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