Display for energy and power of laser
A technology of laser energy and display instruments, which is applied in the field of display instruments, can solve the problems of increased detector manufacturing costs, increased purchase equipment costs, and poor versatility, and achieve the effects of reducing purchase costs, simplifying design, and ensuring consistency
Inactive Publication Date: 2009-06-24
INST OF RADIATION MEDICINE ACAD OF MILITARY MEDICAL SCI OF THE PLA +1
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Problems solved by technology
The common feature of this type of instrument is that it has strong versatility, but the premise is that the output signal of the connected detector must be preprocessed, that is, a signal processing circuit is designed and installed in each detector, and its obvious disadvantage is is to greatly increase the cost of detector manufacturing
A large number of digital display instruments using analog circuit technology are still used in China, and a small number are intelligent instruments, but the versatility is poor, that is, each instrument can only be used with a detector of a specific type or a specific function
In this way, when a variety of detectors of different types or functions are required, a variety of matching display instruments must be selected at the same time, which will inevitably increase the cost of purchasing equipment
Method used
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[0015] In order to describe the structure and features of the present invention in detail, the following preferred embodiments are illustrated in conjunction with the accompanying drawings.
[0016] The invention is a digital universal laser energy power display instrument based on the principle of a single-chip microcomputer, which includes an analog circuit unit, a digital circuit unit and a display unit.
[0017] Among them, the analog circuit unit includes a universal preamplifier 1 and an analog signal conditioning and amplifying unit 2. Since the working principles of the laser power detector and the laser energy detector are different, in order to ensure the versatility of the present invention, it is suitable for detectors working on various different principles. The present invention is provided with a flexibly configurable universal front in the analog circuit unit. Amplifier 1 is used as a data input port.
[0018] Such as figure 1 As shown, the universal preamplifier ...
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The invention relates to a laser energy power display instrument, which includes an analog circuit unit, a digital circuit unit and a display unit connected to the digital circuit unit, wherein the analog circuit unit includes a general preamplifier and an analog signal conditioning amplification unit, The data input port of the preamplifier receives signals output by various detectors, and the signal output by the preamplifier is input to the input end of the analog signal conditioning and amplifying unit; the digital circuit unit includes a central processing unit, respectively A storage unit connected to the central processing unit, a man-machine communication interface and a computer interface, and an A / D conversion circuit connected to the analog circuit unit and the digital circuit unit. The invention can be used in conjunction with various detectors to reduce equipment purchase costs.
Description
Technical field [0001] The invention relates to a display instrument, in particular to a universal laser energy power display instrument. Background technique [0002] Laser power and energy display instruments have developed with the development of instrumentation technology, and various display instruments of various eras exist on the market. Including traditional analog pointer meters, digital display meters using analog circuit technology, digital display meters using digital circuit technology, intelligent meters using embedded technology, and virtual meters using computer technology and virtual instrument technology. [0003] At present, most of the foreign laser measurement products adopt intelligent instruments, and some adopt virtual instruments. The common feature of this type of instrument is that it has strong versatility, but its premise is that the output signal of the connected detector must be preprocessed, that is, a signal processing circuit is designed and inst...
Claims
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IPC IPC(8): G01J1/02
Inventor 钱焕文马冲杨在富孙之旭杨景庚单清孙志辉
Owner INST OF RADIATION MEDICINE ACAD OF MILITARY MEDICAL SCI OF THE PLA