Device for detecting lighter flame height
A technology of flame height and detection device, which is used in combustion ignition, lighting and heating equipment, combustion methods, etc., can solve the problems of high use environment requirements, manual operation, and low degree of automation, and achieves fast detection speed, convenient operation, and structure. simple effect
Inactive Publication Date: 2010-06-02
CHINA JILIANG UNIV
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Problems solved by technology
The problem that this kind detection method exists has the following two points: (1) manual operation, low degree of automation
The inspectors need to observe the flame with their eyes, the labor intensity is high, and working for a long time may cause damage to the eyes; (2) There are many human factors, and there are some human errors in the observation data, so the reliability of the measurement results is low
[0004] Usually the image method can also be used as a solution for flame height measurement, but the image acquisition system has the characteristics of high cost and high requirements for the use environment
Method used
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[0032] like figure 1 , figure 2 , image 3 , Figure 4 As shown, it includes a base 1, a height-adjustable mechanism, a flame height detection circuit board 7, a light-transmitting cover 6, a microprocessor AT89C55WD and a liquid crystal screen SG12864; a height-adjustable mechanism is installed vertically on the base 1 The flame height detection unit is fixed on the circuit board support 8 on the guide rail seat, and the flame height detection unit includes the flame height detection circuit board 7 and the light-transmitting cover 6, and the flame height detection unit on the circuit board support 8 on the guide rail seat of the height-adjustable mechanism The output signals of each photosensitive tube 10 are respectively input to the I / O port line corresponding to the microprocessor and each photosensitive tube, and the microprocessor judges the level state of the I / O port to obtain the flame height of the lighter, and displays the test result on the LCD screen.
[0033...
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The invention discloses a flame height detecting device for a lighter. The device mainly comprises a base seat, a height adjustable mechanism, a flame height detecting circuit, a diaphanous cover, a microprocessor and a LCD screen. The height adjustable mechanism is vertically arranged on the base seat, and is fixed with a flame height detecting unit through a circuit board support, and the outputsignal of each photodiode in the flame height detecting unit is respectively inputted to the microprocessor and I / O interface lines which correspond with the photodiodes. The microprocessor interprets the voltage status of the I / O interface to obtain the flame height of the lighter, and the test result is displayed on the LCD screen. Compared with the traditional visual method, the invention hasthe advantages that the measuring accuracy is high, the detecting speed is fast, and the reliability is high.
Description
technical field [0001] The invention relates to a lighter detection device, in particular to a lighter flame height detection device. Background technique [0002] Lighter is a commodity widely used in daily life and is in great demand. It is also one of the main export commodities of our country. As a dangerous product, the flame height of the lighter is a necessary inspection item in the production process. According to the provisions of the People's Republic of China Entry-Exit Inspection and Quarantine Industry Standards for Export Lighters Dangerous Goods Inspection Regulations, the qualification criteria for lighter flame heights are: for lighters with flame height regulators, 98% of the test samples should meet the requirements. When the regulator is at the maximum flame position, the flame height is 150 mm or less within 5 seconds after ignition; when the flame height regulator is at the minimum flame position, the flame height is 50 mm or less within 5 seconds afte...
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IPC IPC(8): F23Q23/00
Inventor 叶树亮李东升杨遂军陈丹超
Owner CHINA JILIANG UNIV