Signal processing circuit in machine room monitoring system
A signal processing circuit and monitoring system technology, applied in the direction of logic circuit interface device, logic circuit connection/interface layout, etc., can solve the problems of many components, signal stability cannot be guaranteed, high cost, etc., to achieve less components and low cost Low, the effect of ensuring stability
Inactive Publication Date: 2017-05-10
邹昌金
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Problems solved by technology
At present, the computer room monitoring system involves many components and components when realizing signal conversion, and the cost is high, and the stability of the processed signal is often not guaranteed
Method used
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Embodiment
[0012] like figure 1 As shown, the signal processing circuit in the computer room monitoring system includes input signal line, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R1, amplifier A1, comparator A2 and output level signal line, resistor R2 The two ends are respectively connected to the input signal line and the inverting input end of the amplifier A1, the two ends of the resistor R3 are respectively connected to the inverting input end and the output end of the amplifier A1, the resistor R4 is connected to the non-inverting input end of the amplifier A1, and the other end Grounding, the two ends of the resistor R5 are respectively connected to the output terminal of the amplifier A1 and the inverting input terminal of the comparator A2, one end of the resistor R6 is connected to the non-inverting input terminal of the comparator A2, and the other end is grounded, and the output level signal line is connected to the comparator A2 The output t...
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The invention discloses a signal processing circuit in a machine room monitoring system. The circuit comprises an input signal line, resistors R2 to R6, an amplifier A1, a comparator A2 and an output level signal line; the two ends of the resistor R2 are connected with the input signal line and an anti-phase input end of the amplifier A1 respectively; the two ends of the resistor R3 are connected with the anti-phase input end and the output end of the amplifier A1 respectively; one end of the resistor R4 is connected with an in-phase input end of the amplifier A1, and the other end of the resistor R4 is grounded; the two ends of the resistor R5 are connected with the output end of the amplifier A1 and an anti-phase input end of the comparator A2 respectively; one end of the resistor R6 is connected with an in-phase input end of the comparator A2, and the other end of the resistor R6 is grounded; and the output level signal line is connected with the output end of the comparator A2. The signal processing circuit is simple in structure and low in cost, uses fewer components, and is convenient to convert signals into binary signals.
Description
technical field [0001] The invention relates to monitoring technology, in particular to a signal processing circuit in a computer room monitoring system. Background technique [0002] The computer room is the place where servers are stored for telecommunications, Netcom, mobile, two-line, electric power, government or enterprises, etc. The small ones are tens of square meters, usually with 20 to 30 cabinets, and the large ones are tens of thousands of square meters with thousands of cabinets, or even more , Various servers and minicomputers are usually placed in the computer room, such as IBM minicomputers, HP minicomputers, SUN minicomputers, and so on. The temperature, humidity and anti-static measures of the computer room have strict requirements, so the existing computer room is generally equipped with a monitoring system to monitor its temperature and humidity. Among them, when the signal collected by the monitoring system is used as a trigger signal to control the wor...
Claims
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CPCH03K19/017509
Inventor 邹昌金
Owner 邹昌金