CN202583781U - Temperature carrier monitoring device of industrial control equipment - Google Patents
Temperature carrier monitoring device of industrial control equipment Download PDFInfo
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- CN202583781U CN202583781U CN 201220261152 CN201220261152U CN202583781U CN 202583781 U CN202583781 U CN 202583781U CN 201220261152 CN201220261152 CN 201220261152 CN 201220261152 U CN201220261152 U CN 201220261152U CN 202583781 U CN202583781 U CN 202583781U
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- 239000003990 capacitor Substances 0.000 claims description 4
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Abstract
The utility model relates to a monitoring device and particularly relates to a temperature carrier monitoring device of industrial control equipment. The temperature carrier monitoring device comprises a temperature detection circuit, a central processor, a power supply driving circuit and a carrier signal phase-locked circuit, wherein signals acquired by the temperature detection circuit are sent to an A/D (analog/digital) data conversion circuit via an operation amplifying circuit, output signals of the A/D data conversion circuit are output to the power supply driving circuit and the carrier signal phase-locked circuit via the central processor, and the output signals of the carrier signal phase-locked circuit are transmitted to a carrier signal decoding circuit via a frequency selecting amplifier circuit. The device is used for acquiring surface temperature of a main heating device of an industrial personal computer, A/D data conversion is performed, a control signal is further emitted after judgment by the central processor, a power supply of the industrial personal computer is cut off for ensuring the safety of the equipment, alarm information is simultaneously sent to a carrier host computer through a carrier signal, the carrier host computer can display the address and the position of an alarm fault, and the monitoring device has the advantages of simple structure, safety, reliability and capability of effectively ensuring the normal operation of the industrial control equipment.
Description
Technical field
The utility model relates to a kind of supervising device, particularly be a kind of industrial control equipment temperature carrier wave supervising device.
Background technology
Industrial computer is the abbreviation of Industrial Control Computer; Be mainly used in the occasion that fire-fighting main frame, supervisory system, bank data security, computer operation etc. worked long hours in 24 hours; Therefore, the industrial computer internal temperature is all very high, especially when summer; Environment temperature raises the industrial computer internal temperature is also raise, and will cause the tremendous economic loss if cross cause thermal damage because of inner member.
The utility model content
The purpose of the utility model is to overcome above-mentioned deficiency, and a kind of industrial control equipment temperature carrier wave supervising device is provided.
The utility model solves the technical scheme that its technical matters adopted: a kind of industrial control equipment temperature carrier wave supervising device; Comprise temperature sensing circuit, central processing unit, power driving circuit and carrier signal phase lock circuitry; The signal of said temperature sensing circuit collection sends to the A/D data converting circuit through operational amplification circuit; The output signal of A/D data converting circuit exports power driving circuit and carrier signal phase lock circuitry to through central processing unit control, and the output signal of said carrier signal phase lock circuitry is through frequency-selecting amplifier circuit transmission to carrier signal decoding scheme.
Said central processing unit is also exported and is connected a watchdog circuit.
Said temperature sensing circuit 1 adopts LM35 temperature sensor IC1 collecting temperature signal.
Said operational amplification circuit adopts CA3130 comparer IC2 as the voltage detecting level.
Said carrier signal phase lock circuitry is made up of LM567 tone decoder U1 and peripheral electric capacity 1C1, resistance 1R1, resistance 1R2 thereof.
Said frequency-selecting amplifier circuit is made up of elementary L1, electric capacity 1C2, the capacitor 1C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through telephone wire to the carrier signal decoding scheme through secondary L2, the electric capacity 1C4 of audio-frequency transformer (AFT) T.
Said carrier signal decoding scheme is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2 and the LED that connect successively.
Through adopting above-mentioned technical scheme; The beneficial effect of the utility model is: this device is gathered the surface temperature of industrial computer main heating device, through the A/D data-switching, after central processing unit is judged, sends control signal; Cut off the industrial computer power supply and guarantee device security; Send warning message, orientation, carrier wave main frame display alarm fail address, the normal operation that it is simple in structure, safe and reliable, as can effectively to guarantee industrial control equipment through carrier signal to the carrier wave main frame simultaneously.
Description of drawings
Fig. 1 is the frame assumption diagram of the utility model;
Fig. 2 is the circuit theory diagrams of the utility model.
Embodiment
As shown in Figure 1; A kind of industrial control equipment temperature carrier wave supervising device of the utility model; Comprise temperature sensing circuit 1, central processing unit 2, power driving circuit 3 and carrier signal phase lock circuitry 5; The signal that said temperature sensing circuit 1 is gathered sends to A/D data converting circuit 12 through operational amplification circuit 11; The output signal of A/D data converting circuit 12 exports power driving circuit 3 and carrier signal phase lock circuitry 5 to through central processing unit 2 controls, and the output signal of said carrier signal phase lock circuitry 5 transfers to carrier signal decoding scheme 7 through frequency-selecting amplifier circuit 6, and said central processing unit 2 is also exported and connected a watchdog circuit 4.
As shown in Figure 2, LM35 temperature sensor IC1 provides signal conditioning functions in the sheet, comprises amplification, level shift and paraphase, after the Signal Regulation, and 1 ℃ every liter of temperature, output just increases 10mv.Therefore for 0 ℃ to 100 ℃ temperature range, the respective output voltages scope is 0V to 1V.Comparator C A3130IC2 is the voltage detecting level, and it is compared the output voltage of LM35 temperature sensor IC1 with the reference voltage that it presets.Output voltage like LM35 temperature sensor IC1 surpasses reference voltage, and then the output of comparer uprises voltage, and this signal is input to the 2nd pin of A/D data converter IC3; After the A/D conversion, form datel circuit by the 5th, 6,7 pin of A/D data converter IC3 and the 35th, 36,37 pin of single-chip microcomputer IC5, after single-chip microcomputer IC5 internal judgment is above the temperature value of setting; The 26th pin output high level signal by single-chip microcomputer IC5; Through resistance R 9 current limlitings, make triode Q1 conducting, the relay J adhesive; Its contact J-1 is closed, cuts off the industrial computer device power supply (DPS); The multivibrator that another route LM567 tone decoder U1 and peripheral electric capacity 1C1, resistance 1R1, resistance 1R2 thereof constitute is formed phase lock circuitry; Its oscillation frequency is by the parameter determining of electric capacity 1C1, resistance 1R1, and carrier frequency is adjusted in the 150-300KHZ scope.Elementary L1, electric capacity 1C2, capacitor 1C3 by triode VT1, audio-frequency transformer (AFT) T constitute the frequency-selecting amplifier circuit; The 25th pin output high level signal by single-chip microcomputer IC5; Make LM567 tone decoder U1 obtain working power; LM567 tone decoder U1 starts working, and is coupled on local telephone network speaking wire or the AC network AC220V power lead and is sent by secondary L2, the electric capacity 1C4 of audio-frequency transformer (AFT) T, sends data-signal to the carrier wave main frame.
Said carrier signal decoding scheme is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2, the LED that connect successively; The time constant of resistance 2R1, electric capacity 2C5 network has determined the voltage controlled oscillator of LM567 ATD U2; When the carrier wave extension set when main frame sends 150-300KHZ carrier wave command signal; Be coupled to the secondary L3 of audio-frequency transformer (AFT) T through electric capacity 2C1, audio-frequency transformer (AFT) T1, its secondary L3, electric capacity 2C2, electric capacity 2C3 form a carrier wave frequency selection network.Signal after the frequency-selecting is coupled to the 3rd pin signal input part of LM567 ATD U2 through electric capacity 2C4; After LM567 ATD U2 decoding,, make triode VT2 conducting by its 8th pin output terminal output low level; LED is lighted; Received the carrier data signal of extension set, explained that the industrial control equipment temperature over-range can break down, and reaches remote online and monitors in real time.
Form watchdog circuit by watchdog chip IC4 and single-chip microcomputer IC5, form reset circuit, the 9th pin of single-chip microcomputer IC5 and the 7th stiffness of foot in children spare of watchdog chip IC4 are resetted, prevent that single-chip microcomputer IC5 internal processes is in the endless loop state by resistance R 6, capacitor C 1.
An above-described preferred embodiment that is merely the utility model can not limit the scope that this practicality is implemented, and every equalization of being done according to the utility model claim changes and decorates, and all should still belong in the scope that the utility model contains.
Claims (7)
1. industrial control equipment temperature carrier wave supervising device; It is characterized in that: comprise temperature sensing circuit (1), central processing unit (2), power driving circuit (3) and carrier signal phase lock circuitry (5); The signal that said temperature sensing circuit (1) is gathered sends to A/D data converting circuit (12) through operational amplification circuit (11); The output signal of A/D data converting circuit (12) exports power driving circuit (3) and carrier signal phase lock circuitry (5) to through central processing unit (2) control, and the output signal of said carrier signal phase lock circuitry (5) transfers to carrier signal decoding scheme (7) through frequency-selecting amplifier circuit (6).
2. industrial control equipment temperature carrier wave supervising device according to claim 1 is characterized in that: said central processing unit (2) is also exported and is connected a watchdog circuit (4).
3. industrial control equipment temperature carrier wave supervising device according to claim 1 is characterized in that: said temperature sensing circuit (1) adopts LM35 temperature sensor IC1 collecting temperature signal.
4. industrial control equipment temperature carrier wave supervising device according to claim 1 is characterized in that: said operational amplification circuit (11) adopts CA3130 comparer IC2 as the voltage detecting level.
5. industrial control equipment temperature carrier wave supervising device according to claim 1 is characterized in that: said carrier signal phase lock circuitry (5) is made up of LM567 tone decoder U1 and peripheral electric capacity 1C1, resistance 1R1, resistance 1R2 thereof.
6. industrial control equipment temperature carrier wave supervising device according to claim 1; It is characterized in that: said frequency-selecting amplifier circuit (6) is made up of elementary L1, electric capacity 1C2, the capacitor 1C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through telephone wire to carrier signal decoding scheme (7) through secondary L2, the electric capacity 1C4 of audio-frequency transformer (AFT) T.
7. according to claim 1 or 6 described industrial control equipment temperature carrier wave supervising devices, it is characterized in that: said carrier signal decoding scheme (7) is made up of the audio-frequency transformer (AFT) T1, LM567 ATD U2, triode VT2 and the LED that connect successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261152 CN202583781U (en) | 2012-06-05 | 2012-06-05 | Temperature carrier monitoring device of industrial control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220261152 CN202583781U (en) | 2012-06-05 | 2012-06-05 | Temperature carrier monitoring device of industrial control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583781U true CN202583781U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220261152 Expired - Fee Related CN202583781U (en) | 2012-06-05 | 2012-06-05 | Temperature carrier monitoring device of industrial control equipment |
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| Country | Link |
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| CN (1) | CN202583781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302018A (en) * | 2015-10-15 | 2016-02-03 | 深圳市盈科互动科技有限公司 | Driving control circuit and industrial control equipment |
| CN106887106A (en) * | 2017-04-21 | 2017-06-23 | 上海电机学院 | A kind of SCM Based wireless fire disaster alarm system |
-
2012
- 2012-06-05 CN CN 201220261152 patent/CN202583781U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302018A (en) * | 2015-10-15 | 2016-02-03 | 深圳市盈科互动科技有限公司 | Driving control circuit and industrial control equipment |
| CN106887106A (en) * | 2017-04-21 | 2017-06-23 | 上海电机学院 | A kind of SCM Based wireless fire disaster alarm system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20130605 |