Methane carbon monoxide measurement transmitter
A carbon monoxide and transmitter technology, applied in the field of automation, can solve the problems of high safety risks for operators and complex production process of simulated products, and achieve the effect of simple structure, worthy of promotion and use, and reasonable design
Inactive Publication Date: 2013-09-18
苏州中崟传感股份有限公司 +3
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0004] The production process of analog products is relatively complicated. Methane and carbon monoxide are dangerous and unsafe sources. Analog products with complex production processes pose a greater safety risk to operators
Method used
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[0020] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0021] see Figure 1 to Figure 2 , the present invention provides a methane carbon monoxide detection transmitter capable of outputting digitized signals that can be directly read by computer equipment, which includes a housing 1 and a circuit board 2 installed in the housing 1, and one side of the housing 1 is provided with A plurality of connection terminals 3, the connection terminals 3 are 4PIN2.54 connection terminals, and are fixed on the circuit board 2 by welding, and the circuit board 2 is installed inside the casing 1 through nuts; the bottom of the casing 1 of this embodiment is provided with outgoing lines The groove 4 and the wall-mounting hole 5 achieve the purpose of concealment, facilitate on-site wiring, make the shell beautiful i...
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The invention relates to a methane carbon monoxide measurement transmitter. The methane carbon monoxide measurement transmitter comprises a shell and a circuit board, wherein the shell is provided with a plurality of wiring terminals for outputting RS-232 digital signals; the circuit board is provided with a methane carbon monoxide sensor, a sensor exciting circuit, a single chip microcomputer, an alarming buzzer driving circuit and an indication lamp driving circuit; an output end of the methane carbon monoxide sensor is connected with an AD input end of the single chip microcomputer; the single chip microcomputer is provided with the sensor exciting circuit, the alarming buzzer driving circuit and the indication lamp driving circuit, which are connected with the single chip microcomputer; the sensor exciting circuit is further connected with the methane carbon monoxide sensor. According to the methane carbon monoxide measurement transmitter disclosed by the invention, the methane carbon monoxide sensor is used for realizing the measurement of methane and carbon monoxide and carrying out controlling and driving on the single chip microcomputer; a UART (Universal Asynchronous Receiver Transmitter) is used for programming and setting parameters of an EEPROM (Electrical Erasable Programmable Read Only Memory) in the single chip microcomputer, so as to realize the calibration of a sensor alarming output threshold value; the UART is used for outputting a measured AD value of the methane carbon monoxide sensor and a module can output a UART digital signal which is directly read by computer equipment.
Description
technical field [0001] The invention relates to the field of automation technology, in particular to a methane carbon monoxide detection transmitter. Background technique [0002] A sensor is a detection element, also known as a sensitive element, which can feel the measured information, and can transform the information sensed by the detection into an electrical signal or other required form of information output according to certain rules, so as to meet the requirements of the information. It is the primary link to realize automatic detection and automatic control. [0003] Since the signal generated by the sensor itself cannot be used directly, some external circuits are needed to stimulate the normal work, and the sensor output signal is read through the single-chip AD conversion (10bitADC) to obtain the current environmental detection value. With the further development of industrial technology, a certain standard has gradually been formed for the output signal of the ...
Claims
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Inventor 郭宏王莉莎师斌申爱群田继忠何堃
Owner 苏州中崟传感股份有限公司