CN203116860U

CN203116860U - Temperature sensing detector

Info

Publication number: CN203116860U
Application number: CN201320046733.XU
Authority: CN
Inventors: 李秋芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-22
Filing date: 2013-01-22
Publication date: 2013-08-07
Anticipated expiration: 2023-01-22

Abstract

The utility model relates to a temperature sensing detector comprising a temperature sensing circuit and a single-chip microcomputer control circuit. An output signal of the temperature sensing circuit is sequentially transmitted to an A/D data conversion circuit via a simulation switch circuit and an amplification adjusting circuit. An output signal of the A/D data conversion circuit can be transmitted to the single-chip microcomputer control circuit, and an output signal of the single-chip microcomputer control circuit can be transmitted to a ZigBee wireless module circuit. When the temperature exceeds the limit, the ZigBee wireless module can be driven to send alarming information to an alarming center after the determination of the single-chip microcomputer control circuit. The temperature sensing detector has advantages of simple networking, low cost, and reliable performance.

Description

A kind of temperature sensing detector

Technical field

The utility model relates to a kind of detector, particularly be a kind of temperature sensing detector.

Background technology

Temperature sensor is widely used in industrial control equipment or electrical node, monitors controlled position and whether exists temperature and exceed high state.

The utility model content

The purpose of this utility model is to provide a kind of temperature sensing detector.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of temperature sensing detector, comprise temperature sensing circuit and single chip machine controlling circuit, the output signal of described temperature sensing circuit is adjusted circuit transmission to the A/D data converting circuit through analog switching circuit, amplification successively, the output signal of described A/D data converting circuit is transported to single chip machine controlling circuit, and the output signal of described single chip machine controlling circuit sends to ZigBee wireless module circuit.

Preferably, with K type temperature sensor collecting temperature signal.

Preferably, described single chip machine controlling circuit adopts 2051 single-chip microcomputer I C2.

Preferably, described ZigBee wireless module circuit adopts ZM2410 wireless communication module IC3.

By adopting above-mentioned technical scheme, the beneficial effects of the utility model are: the utility model is by K type sensor collecting temperature signal, when temperature over-range, after the single chip machine controlling circuit judgement, drive the ZigBee wireless module and send warning message to alarm center, have advantages such as networking is simple, cost is low, dependable performance.

Description of drawings

Fig. 1 is frame assumption diagram of the present utility model;

Fig. 2 is circuit theory diagrams of the present utility model.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As shown in Figure 1 and Figure 2, a kind of temperature sensing detector of the present utility model, comprise temperature sensing circuit 1 and single chip machine controlling circuit 2, the output signal of described temperature sensing circuit 1 is adjusted circuit 12 through analog switching circuit 11, amplification successively and is transferred to A/D data converting circuit 13, the output signal of described A/D data converting circuit 13 is transported to single chip machine controlling circuit 2, and the output signal of described single chip machine controlling circuit 2 sends to ZigBee wireless module circuit 21.

Described temperature sensing circuit 1 adopts K type temperature sensor K1-K8 collecting temperature signal, K type sensor K1-K8 detects faint d. c. voltage signal, after signal is adjusted, be sent to the 13rd pin of analog switch module I C1, the 3rd pin by 2051 single-chip microcomputer IC2 control switching analoging switch module I C1 switches the way signal, this signal sends to the 3rd pin of amplifier IC6, behind device the 6th pin output amplifying signal, be input to the 2nd pin of A/D data conversion module I C5, after interior data A/D conversion, be input to through the 16th of single-chip microcomputer IC2,18,19 I/O end carries out data communication, when temperature sensor K1-K8 touches the body surface temperature and reaches certain value, the faint temperature voltage signal of M1 point switches output through analog switch module I C1 and amplifies through amplifier IC6 computing, adjust resistance R 5 and can change the computing magnitude of voltage, again through the inner A/D conversion of A/D data conversion module IC5, outputting data signals is to 2051 single-chip microcomputer IC2, when the temperature of gathering as temperature sensor K1-K8 surpasses setting value, after 2051 single-chip microcomputer IC2 internal processors are judged, by the 6th of ZM2410 wireless communication module IC3,7 ends and 2051 single-chip microcomputer IC2 the 2nd, 3 ends are formed ZigBee wireless module circuit 21, ZM2410 wireless communication module IC3 is the embedded serial ports transparent transmission of the Zigbee of built-in 2.4GHZ (some multiple spot and point-to-multipoint) communications protocol, supports aerial upgrade firmware or configuration far module information.Up to the output of the power of 7dBm and-receiving sensitivity of 100dBm, can satisfy telecommunication, send the AT instruction by 2051 single-chip microcomputer IC2 ZM2410 wireless communication module IC3 is realized wireless data transceiving, switch pin with the RS-485 direction, send warning message to data center, have advantages such as networking is simple, cost is low, dependable performance, monitoring in real time.

Above-described only is a preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented, and every equalization of doing according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.

Claims

1. temperature sensing detector, it is characterized in that: comprise temperature sensing circuit (1) and single chip machine controlling circuit (2), the output signal of described temperature sensing circuit (1) is adjusted circuit (12) through analog switching circuit (11), amplification successively and is transferred to A/D data converting circuit (13), the output signal of described A/D data converting circuit (13) is transported to single chip machine controlling circuit (2), and the output signal of described single chip machine controlling circuit (2) sends to ZigBee wireless module circuit (21).

2. temperature sensing detector according to claim 1 is characterized in that: described temperature sensing circuit (1) employing K type temperature sensor collecting temperature signal.

3. temperature sensing detector according to claim 1 is characterized in that: described single chip machine controlling circuit (2) employing 2051 single-chip microcomputer IC2.

4. temperature sensing detector according to claim 1 is characterized in that: described ZigBee wireless module circuit (21) employing ZM2410 wireless communication module IC3.