CN102354428A - Novel alarm module - Google Patents
Novel alarm module Download PDFInfo
- Publication number
- CN102354428A CN102354428A CN2011102900129A CN201110290012A CN102354428A CN 102354428 A CN102354428 A CN 102354428A CN 2011102900129 A CN2011102900129 A CN 2011102900129A CN 201110290012 A CN201110290012 A CN 201110290012A CN 102354428 A CN102354428 A CN 102354428A
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- alarm module
- carrier signal
- novel alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a novel alarm module which comprises a temperature signal acquisition circuit and a singlechip control circuit, wherein an output signal of the temperature signal acquisition circuit is sent to the singlechip control circuit sequentially through an operational-amplifier rectifying regulation circuit and an analog to digital (A/D) data conversion circuit; the singlechip control circuit is used for controlling the signal to be output to a communication circuit and a carrier signal phase lock circuit; and an output signal of the carrier signal phase lock circuit is sent to a carrier signal decoding circuit by a frequency-selective amplifier. A temperature sensor is adopted to acquire the overtemperature on the surface of a cable by the module; after the acquired overtemperature is converted by the A/D data conversion circuit, a control signal is judged and sent out by a singlechip, the data are sent to a control center by remote transmission, and the fault is eliminated in time by professional electrician personnel; and therefore, the aim of preventing fire can be achieved.
Description
Technical field
The present invention relates to a kind of novel alarm module.
Background technology
The main performance of electrical fire generation is at present become flexible owing to the cable section header or loose contact causes heating to produce electrical fire; And traditional electrical fire pick-up unit mainly gathers signals such as electric current, voltage and judges whether its index transfinites, and can't play the purpose of fire preventing.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency, a kind of novel alarm module is provided.
The technical solution adopted for the present invention to solve the technical problems is: a kind of novel alarm module; Comprise temperature signal collection circuit and single chip machine controlling circuit; The output signal of said temperature signal collection circuit sends to single chip machine controlling circuit through amplifier rectification adjustment circuit, A/D data converting circuit successively; Single chip machine controlling circuit control exports telecommunication circuit, carrier signal phase lock circuitry to, and the output signal of said carrier signal phase lock circuitry sends to the carrier signal decoding scheme through the frequency-selecting amplifier circuit.
Said single chip machine controlling circuit and watchdog circuit bidirectional data communication.
Said temperature signal collection circuit connects resistance R 1, R2, R3 by the output terminal of temperature sensor K, and diode D1, capacitor C 1 constitute.
Said telecommunication circuit is for adopting the RS485 communication interface circuit of SN75176 signal transmitting and receiving chip, and its output signal sends to PC.
Said carrier signal phase lock circuitry is made up of LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof.
Said frequency-selecting amplifier circuit is made up of elementary L1, electric capacity 2C2, the capacitor 2C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through electric wire to the carrier signal decoding scheme through secondary L2, the electric capacity 2C4 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 invention has the beneficial effects as follows: the present invention adopts temperature sensor to gather the cable surface overtemperature; After the A/D data-switching; Send control signal by the single-chip microcomputer judgement; Data remote is arrived control center; By the timely eliminating of professional electrician personnel, reach the purpose of fire preventing to fault.
Description of drawings
Fig. 1 is a frame assumption diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
As shown in Figure 1; A kind of novel alarm module of the present invention; Comprise temperature signal collection circuit 1 and single chip machine controlling circuit 2; The output signal of said temperature signal collection circuit 1 sends to single chip machine controlling circuit 2 through amplifier rectification adjustment circuit 11, A/D data converting circuit 12 successively; Single chip machine controlling circuit 2 controls export telecommunication circuit 3, carrier signal phase lock circuitry 5 to, and the output signal of said carrier signal phase lock circuitry 5 sends to carrier signal decoding scheme 7 through frequency-selecting amplifier circuit 6.
As shown in Figure 2, said temperature signal collection circuit connects resistance R 1, R2, R3 by the output terminal of temperature sensor K, and diode D1, capacitor C 1 constitute.Act on the collecting temperature signal by temperature sensor K; It detects faint d. c. voltage signal; After the signal adjustment; This signal is connected to the 3rd pin of operational amplifier IC2; Behind the 6th pin output amplifying signal by operational amplifier IC2; This signal is input to the 2nd pin of A/D data converter IC3, after interior data A/D conversion, forms datel circuit by the 2nd, 3,5 pin of single-chip microcomputer IC1 and the 5th, 6,7 pin of A/D data converter IC3.When K type temperature sensor detects cable body surface temperature and reaches certain value; The faint temperature voltage signal of T point; Amplify through operational amplifier IC2 computing; Adjustment resistance R 4 can change the computing magnitude of voltage; Again after the inner A/D data-switching of A/D data converter IC3; When the temperature data signal that reads A/D data converter IC3 conversion as single-chip microcomputer IC1 surpasses setting value;, single-chip microcomputer IC1 internal processes sends control signal after judging; By the 10th of single-chip microcomputer IC1; 11; The 1st of 16 pin and SN75176 signal transmitting and receiving chip IC 5; 2; 3; 4 pin are formed the RS485 telecommunication circuit; Send data-signal by single-chip microcomputer IC1; Drive SN75176 signal transmitting and receiving chip IC 5 and transmit warning message through system bus to PC, PC shows current failure message.Another road output is formed phase lock circuitry by the multivibrator that LM567 tone decoder U1 and peripheral electric capacity 2C1, resistance 2R1, resistance 2R2 thereof constitute; Its oscillation frequency is by the parameter determining of electric capacity 2C1, resistance 2R1, and carrier frequency is adjusted in the 150-300KHZ scope.By triode VT1; The elementary L1 of audio-frequency transformer (AFT) T; Electric capacity 2C2; Capacitor 2C3 constitutes the frequency-selecting amplifier circuit; The 38th pin output high level signal by single-chip microcomputer IC1; Make LM567 tone decoder U1 obtain working power; LM567 tone decoder U1 starts working; Secondary L2 by audio-frequency transformer (AFT) T; Electric capacity 2C4 is coupled on local telephone network speaking wire or the AC network AC220V power lead and sends; Send data-signal to the carrier wave main frame; By the audio-frequency transformer (AFT) T1 that connects successively; LM567 ATD U2; Triode VT2; LED constitutes the carrier signal decoding scheme; Resistance 1R1; The time constant of electric capacity 1C5 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; Through electric capacity 1C1; Audio-frequency transformer (AFT) T1 is coupled to the secondary L3 of audio-frequency transformer (AFT) T, its secondary L3; Electric capacity 1C2; Electric capacity 1C3 forms 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 1C4; After LM567 ATD U2 decoding; By its 8th pin output terminal output low level; Make triode VT2 conducting, LED is lighted, and has received the carrier data signal of extension set; The cable section header breaks down; Reach the real time remote on-line monitoring, collection carrier signal and the dual monitoring of system bus avoid failing to report and having solved the relevant difficult technical barrier that connects up.
Above-described only is a preferred embodiment of the present invention, can not limit the scope that this practicality is implemented, and every equalization of doing according to claim of the present invention changes and decorates, and all should still belong to the scope that the present invention is contained.
Claims (7)
1. novel alarm module; It is characterized in that: comprise temperature signal collection circuit (1) and single chip machine controlling circuit (2); The output signal of said temperature signal collection circuit (1) sends to single chip machine controlling circuit (2) through amplifier rectification adjustment circuit (11), A/D data converting circuit (12) successively; Single chip machine controlling circuit (2) control exports telecommunication circuit (3), carrier signal phase lock circuitry (5) to, and the output signal of said carrier signal phase lock circuitry (5) sends to carrier signal decoding scheme (7) through frequency-selecting amplifier circuit (6).
2. a kind of novel alarm module according to claim 1 is characterized in that: said single chip machine controlling circuit (2) and watchdog circuit (4) bidirectional data communication.
3. a kind of novel alarm module according to claim 1 is characterized in that: said temperature signal collection circuit (1) connects resistance R 1, R2, R3 by the output terminal of temperature sensor K, and diode D1, capacitor C 1 constitute.
4. a kind of novel alarm module according to claim 1 is characterized in that: said telecommunication circuit (3) is for adopting the RS485 communication interface circuit of SN75176 signal transmitting and receiving chip, and its output signal sends to PC.
5. a kind of novel alarm module 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 2C1, resistance 2R1, resistance 2R2 thereof.
6. a kind of novel alarm module according to claim 1; It is characterized in that: said frequency-selecting amplifier circuit (6) is made up of elementary L1, electric capacity 2C2, the capacitor 2C3 of triode VT1, audio-frequency transformer (AFT) T, and sends data-signal through electric wire to carrier signal decoding scheme (7) through secondary L2, the electric capacity 2C4 of audio-frequency transformer (AFT) T.
7. according to claim 1 or 6 described a kind of novel alarm modules, 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 |
|---|---|---|---|
| CN2011102900129A CN102354428A (en) | 2011-09-28 | 2011-09-28 | Novel alarm module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102900129A CN102354428A (en) | 2011-09-28 | 2011-09-28 | Novel alarm module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102354428A true CN102354428A (en) | 2012-02-15 |
Family
ID=45577988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102900129A Pending CN102354428A (en) | 2011-09-28 | 2011-09-28 | Novel alarm module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102354428A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102229A1 (en) * | 1982-08-27 | 1984-03-07 | Monicell Limited | Alarm system |
| CN2187466Y (en) * | 1993-12-02 | 1995-01-18 | 钱金龙 | Radio reporting device for medical transfusion |
| JP2003217046A (en) * | 2002-01-22 | 2003-07-31 | Matsushita Electric Works Ltd | Fire sensor, fire receiver, and fire alarm system using them |
| CN201319207Y (en) * | 2008-12-03 | 2009-09-30 | 泉州雷航电子有限公司 | Electrical fire alarm circuit |
| CN201828359U (en) * | 2010-10-26 | 2011-05-11 | 林禹鹏 | On-line temperature sensor detection circuit |
| CN201946539U (en) * | 2010-11-12 | 2011-08-24 | 黄家兴 | Intelligent circuit breaker signal transceiving device |
| CN202230572U (en) * | 2011-09-28 | 2012-05-23 | 福建俊豪电子有限公司 | Novel alarm module |
-
2011
- 2011-09-28 CN CN2011102900129A patent/CN102354428A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0102229A1 (en) * | 1982-08-27 | 1984-03-07 | Monicell Limited | Alarm system |
| CN2187466Y (en) * | 1993-12-02 | 1995-01-18 | 钱金龙 | Radio reporting device for medical transfusion |
| JP2003217046A (en) * | 2002-01-22 | 2003-07-31 | Matsushita Electric Works Ltd | Fire sensor, fire receiver, and fire alarm system using them |
| CN201319207Y (en) * | 2008-12-03 | 2009-09-30 | 泉州雷航电子有限公司 | Electrical fire alarm circuit |
| CN201828359U (en) * | 2010-10-26 | 2011-05-11 | 林禹鹏 | On-line temperature sensor detection circuit |
| CN201946539U (en) * | 2010-11-12 | 2011-08-24 | 黄家兴 | Intelligent circuit breaker signal transceiving device |
| CN202230572U (en) * | 2011-09-28 | 2012-05-23 | 福建俊豪电子有限公司 | Novel alarm module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105351152A (en) | Remote offshore wind power monitoring device based on ZigBee and GPRS techniques | |
| CN211042330U (en) | Dynamic capacity-increasing comprehensive monitoring device based on multi-dimensional sensing data | |
| CN203896305U (en) | Device for monitoring operation state of solar power generating assembly and solar power generating system | |
| CN104423358A (en) | Intelligent home furnishing management and control system based on intelligent power grid and new energy sources | |
| CN206004396U (en) | A kind of intelligent and complementary photovoltaic generating system of off-network | |
| CN102393485A (en) | Detection module for multi-loop leakage current | |
| CN203365538U (en) | Photovoltaic power generation monitoring device | |
| CN102156468B (en) | System for complementary power supply between small power station and commercial power grid | |
| CN201742159U (en) | Online detection and operation and maintenance system for transformer station | |
| CN104300901A (en) | Photovoltaic power generation monitoring device based on Internet of Things technology | |
| CN202256482U (en) | Multi-loop leakage current detecting module | |
| CN202230572U (en) | Novel alarm module | |
| CN111650458B (en) | Self-powered energy taking device for power transmission line and multi-dimensional state monitoring method thereof | |
| CN202110264U (en) | Monitoring device of aging of electrical element | |
| CN211148776U (en) | Current acquisition device and current monitoring system | |
| CN111555460A (en) | Intelligent diagnosis system and judgment method for electrical performance health degree of photovoltaic power station | |
| CN102354428A (en) | Novel alarm module | |
| CN202171755U (en) | Intelligent storehouse temperature monitoring module | |
| CN202230159U (en) | Fault monitoring device of electric equipment | |
| CN102393510A (en) | Detection system for standing power supply | |
| CN202083758U (en) | Fire hazard detector | |
| CN214066346U (en) | Novel non-contact infrared temperature detection electric equipment | |
| CN202188922U (en) | Multipath dual-mode detector | |
| CN102360038A (en) | Multi-loop current type detection module | |
| CN111555461A (en) | Intelligent diagnosis system and judgment method for safety and health degree of photovoltaic power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120215 |