Alarm with data recording device for detecting combustible gas

A data recording and alarm technology, applied in gas/liquid distribution and storage, container filling method, container discharge method, etc., can solve the problem of affecting industrial promotion, inability to record real-time operation data of detectors, and false alarms of combustible gas alarm systems and other issues to achieve the effect of ensuring personal safety

Active Publication Date: 2007-02-21
TIANJIN PUHAI NEW TECH
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  • Abstract
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Problems solved by technology

[0005] In addition, most of the known technologies cannot record the real-time operation data of the detector under the normal monitoring state and the alarm state, which makes many problems such as whether the sensor is aging and must be replaced, the sensor is of poor quality, the combustible gas alarm system falsely alarms or falsely reports faults, etc. There is no way to investigate the engineering problems in actual use, and it is impossible to analyze the accident and determine the responsibility after the gas leakage accident occurs
[0006] In addition, most of the existing detectors that can memorize time data use a timing clock chip and use an internal battery to keep the clock chip working continuously when the product is powered off. The cost of the overall product of the alarm remains high, which affects the promotion of the industry

Method used

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  • Alarm with data recording device for detecting combustible gas
  • Alarm with data recording device for detecting combustible gas

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Embodiment Construction

[0024] The specific implementation, structure, features and effects provided by the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0025] Such as Figure 1-2 As shown, a combustible gas detection alarm with a data recording device includes a single-chip microcomputer U1 with an analog-to-digital converter and a detection unit J connected to the single-chip microcomputer, wherein,

[0026] A power supply B is formed by connecting the input terminal of the DC power supply B2 to the output terminal of the rectifier circuit B1 to form a DC stabilized power supply; the power supply is rectified by the rectifier circuit B1 and stabilized by the DC / DC DC power supply B2 to form a stable VCC voltage, which is Power supply for the entire alarm; DC / DC DC power supply B2 can be composed of commercially available product model MC34063 and its related peripheral circuits, and rectifier circuit B1 can be commerc...

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Abstract

An alarm being used to detect flammable gas and being set with data record unit consists of A / D converter, detection unit, alarm mechanism and power supply. It is featured as connecting monolithic computer to storage through data line enabling to write voltage data in storage on fixed time and clock line port, connecting monolithic computer to detection unit by data line and connecting one storage to monolithic computer to output alarm signal being consistency with alarming conditions to relay and buzzer as well as indication lamp, simultaneously storing position data of alarm data in storage.

Description

technical field [0001] The invention relates to an electronic device for gas detection, in particular to a combustible gas detection and alarm device with an electronic recording unit. Background technique [0002] Known technology, such as Chinese patent 03270719.3 discloses a portable intelligent gas detector, which includes one or more gas detection sensors and I / V conversion amplification processing circuits connected to each gas detection sensor, A temperature sensor circuit, a microprocessor with multi-channel analog signal input terminals, an external program memory and a liquid crystal display circuit that store the standard curve table data of the zero point and temperature of the sensor; the gas detection sensor is converted by I / V The amplification processing circuit is connected with the corresponding analog signal input end of the microprocessor, and the temperature sensor is connected with the corresponding analog signal input end of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17C13/12F17D5/06
Inventor 牛军周世荣于乐忠孙红云
Owner TIANJIN PUHAI NEW TECH
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