Device for detecting sealability of pyrotechnic product packaging

【patent type】 utility model 【patent name】 a device for the sealing of pyrotechnic products packaging 【invention (design) person】 Wang Pengshou 【applicant】 Wang Pengshou [main applicant address] 230061 Hefei City, Anhui Province Amber Villa Electronics Office 507, 14th Floor [Application Number] 200520074374.4
【 Application Date 】 2005.08.06
[Examination and announcement number] 2819200
【 Validation announcement date 】 2006.09.20
【 Main classification number】 G01M3/26(2006.01)I
[Category] G01M3/26(2006.01)I
[Instructions CD-ROM] D0638-2
【 Abstract 】 The device used for detecting the sealing property of pyrotechnic products is a detection device technology field. The technical problem to be solved is to provide a device for overcoming the above-mentioned defects in the prior art, which can improve detection accuracy, intuitive display, convenient operation and high degree of automation for the sealing property detection of pyrotechnic products. The technical points are as follows: the air pipe (5) in the inflating or evacuating system is connected in series with a differential pressure sensor (YC1, YC2) and a gas commutation solenoid valve (ZFI, ZF2) respectively, and the electrical signal of the differential pressure sensor is The power of the gas commutation solenoid valve is respectively connected to the MCU (2), and the output of the MCU is connected to the display (3) and the printer (1), respectively. The device has the advantages of high test accuracy, intuitive display, convenient operation and high degree of automation.
【Sovereign Items】 1. A device for the detection of the sealing of pyrotechnic products, including an air/gas extraction system consisting of a gas source, a gas nozzle, a trachea, or a tested product, and a power supply, a single-chip microcomputer, and a differential pressure sensor. The monitoring system constituted by the gas reversing electromagnetic valve is characterized in that: the gas pipe (5) in the pneumatic/exhausting system is respectively connected in series with a differential pressure sensor (YC1, YC2) and a gas reversing electromagnetic valve. (ZFI, ZF2), the electrical signal of the differential pressure sensor and the power of the gas reversing solenoid valve are respectively connected to the single-chip microcomputer (2), and the output terminals of the single-chip microcomputer are respectively connected to the display (3) and the printer (1).

Excerpt from: Wanfang Data