Smoke sensor threshold calibration system and calibration method thereof
A smoke sensor and calibration system technology, applied in scientific instruments, suspension and porous material analysis, measurement devices, etc., can solve problems such as low calibration efficiency, difficult calibration methods, and high input costs, so as to improve production efficiency and save costs. , good consistency
Active Publication Date: 2020-09-29
SICHUAN PANOVASIC TECH
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Problems solved by technology
[0003] The purpose of the present invention is to realize the calibration of the smoke sensor through a simple system and method, aiming to solve the problems of low calibration efficiency, high input cost and difficult calibration method in the production process of the product
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Embodiment
[0028] Such as figure 1 Shown, the smoke sensor threshold calibration system. It includes a smoke box 1, a smoke adding device 2, a particle tester 3 and a calibration control device 4.
[0029] The smoke box 1 is a closed device with a cover, in which a smoke stirring fan a is arranged.
[0030] The smoke adding device 2 is connected to the smoke box 1 through a pipe with a diameter of about 20 mm, and is used for slowly adding smoke into the smoke box 1 . Combustibles are placed in the smoke adding device 2 and made to burn without an open flame, such as common mosquito coils, and the particulate matter produced by combustion enters the smoke box 1 through the pipe.
[0031] The particle tester 3 is connected with the smoke box 1 through the input pipeline and the output pipeline, and obtains the particulate matter (i.e. smoke) in the smoke box 1 from the input pipeline, and returns the particulate matter to the smoke box 1 from the output pipeline, and measures in the pro...
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The invention discloses a smoke sensor threshold calibration system and a calibration method thereof, and relates to the field of photoelectric smoke sensor alarm threshold calibration. Smoke sensor threshold calibration system, which includes a smoke box, a smoke adding device, a particle tester and a calibration control device. The smoke box is a covered, closed device with a smoke stirring fan inside; the smoke adding device is connected to the smoke box through a pipe; The particle tester is connected to the smoke box through the input pipe and the output pipe; the calibration control device is connected to the product through the control line. The present invention uses the provided smoke sensor threshold calibration system to obtain the smoke adding calibration value, and completes the calibration of the product through the simple calibration method provided by the invention, which can save the production line from setting up a smoking environment and the process of adding smoke. It also saves the production line the cost of purchasing expensive equipment such as particulate matter testers in large quantities. At the same time, it only takes a few seconds to calibrate a product, which greatly improves the production efficiency of the production line, saves costs, and enhances the competitiveness of the company.
Description
technical field [0001] The present invention relates to the field of photoelectric smoke sensor alarm threshold calibration, and more specifically, the embodiments of the present invention relate to a smoke sensor threshold calibration system and a calibration method thereof. Background technique [0002] With the development and promotion of smart home, products in the field of smart security are gradually being widely accepted by consumers, especially fire detectors or smoke sensors. Product cost reduction is also required to improve competitiveness. At present, the smoke sensor on the market is mainly based on the photoelectric principle. The sensor consists of three main components: a labyrinth, a light-emitting tube, and a light-receiving tube. When the characteristics of any part change slightly, it will affect the alarm threshold of the product. Therefore, before leaving the factory, it is necessary to test or calibrate the alarm threshold. Most manufacturers will pu...
Claims
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IPC IPC(8): G01N15/06
CPCG01N15/06G01N15/075
Inventor 宋良平刘岩岩魏阳东
Owner SICHUAN PANOVASIC TECH