CN202331706U - Electrical fire disaster monitoring detector - Google Patents
Electrical fire disaster monitoring detector Download PDFInfo
- Publication number
- CN202331706U CN202331706U CN201120491092XU CN201120491092U CN202331706U CN 202331706 U CN202331706 U CN 202331706U CN 201120491092X U CN201120491092X U CN 201120491092XU CN 201120491092 U CN201120491092 U CN 201120491092U CN 202331706 U CN202331706 U CN 202331706U
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- China
- Prior art keywords
- circuit
- bus communication
- temperature
- signal processing
- analog signal
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- 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.)
- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 2
- 230000036581 peripheral resistance Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Abstract
An electrical fire disaster monitoring detector comprises a singlechip, a button circuit, an acousto-optic alarm circuit, an LCD (liquid crystal display) display circuit, a monitoring storage circuit, a clock circuit, a power supply module, a discrete input circuit, a control output circuit, an analog signal processing circuit, a current acquisition circuit, a nine-way residual current mutual inductor, a temperature acquisition circuit, a temperature sensor, a CAN bus communication circuit and an RS485 bus communication circuit. The electrical fire disaster monitoring detector has the advantages that: the leakage of electricity and the temperature can be simultaneously monitored; the electrical fire disaster monitoring detector is high in integration degree and can acquire leaking currents in a plurality of circuits in a distribution system at the same time, so that the using cost is greatly reduced; and through comprehensive detection on the leakage of electricity and the temperature, the monitoring reliability is improved and failures can be found in time more effectively and are alarmed accurately.
Description
Technical field
The utility model relates to a kind of detector, particularly a kind of detector for electric fire protection.
Background technology
Now because there are combustible in the buildings itself of skyscraper, bulk storage plant, place of public amusement and inside; Particularly use inflammable material and ever-increasing consumer in the finishing; The generation probability of building electric fire is increased greatly, the people's the person and property safety caused very big threat.The reason of fire of electrical fire is more, but mainly is that the local overheating that causes of line short, heating burning and residual current (electric leakage) cause local electric spark and ignite combustible on every side and form fire.The leakage current of how watch-keeping distribution system is realized supervision and control to electrical equipment simultaneously, for electric leakage is kept watch on, the prevention electrical fire provides solution, is the technical matters that this area will solve.
The utility model content
The technical matters that the utility model will solve provide a kind of simple in structure, be provided with flexibly, be applicable to that real-time detection protected circuit residual current, temperature etc. possibly cause electrical fire, make up the detector for electric fire protection of low-cost extensive supervisory system.
The utility model adopts following technical scheme to realize.
A kind of detector for electric fire protection, the utility model comprise single-chip microcomputer, key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, power module
,Switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, current acquisition circuit, nine road residual current transformers, temperature collection circuit, temperature sensor, CAN bus communication circuit, RS485 bus communication circuit; Power module is connected with single-chip microcomputer, key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, current acquisition circuit, nine road residual current transformers, temperature collection circuit, temperature sensor, CAN bus communication circuit, RS485 bus communication circuit respectively; Single-chip microcomputer is connected with key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, CAN bus communication circuit, RS485 bus communication circuit respectively; Analog signal processing circuit is connected with current acquisition circuit, temperature collection circuit respectively; The current acquisition circuit is connected with nine road residual current transformers; Temperature collection circuit is connected with temperature sensor.
The residual current transformer of the utility model is an IP3906L-XX series.
The current acquisition circuit of the utility model designs for multiloop.
The temperature sensor of the utility model is the pt100 RTD.
The analog signal processing circuit of the utility model is connected and composed by five single-phase electric energy chip CS5460A and peripheral resistance, electric capacity, crystal oscillator routine.
The single-chip microcomputer model of the utility model is C8051F040.
The monitoring memory circuit of the utility model is connected and composed by monitoring chip IMP706SESA and ferroelectric memory chip F25040A and peripheral resistance, electric capacity routine.
The clock circuit of the utility model is connected and composed by clock chip HT1381, crystal oscillator, diode, resistance, electric capacity routine.
The LCD display circuit of the utility model is connected and composed by 12864 Liquid Crystal Modules, triode, resistance routine.
The CAN bus communication circuit of the utility model is connected and composed by chip I SO1050, electric capacity, resistance routine.
The RS485 bus communication circuit of the utility model is connected and composed by 485 chip 75LBC184, optocoupler, diode, resistance, electric capacity routine.
The switching value input circuit of the utility model is connected and composed by optocoupler, diode, resistance, routine.
The controlled quentity controlled variable output circuit of the utility model is connected and composed by relay, diode, resistance, triode routine.
The beneficial effect of the utility model does; Detector for electric fire protection can be monitored electric leakage, temperature simultaneously, and integrated level is high, adopts the multiloop design proposal simultaneously; Can gather in the distribution system leakage current in many loops simultaneously, greatly reduce use cost; To the comprehensive detection of electric leakage, temperature, improved the reliability of monitoring, can pinpoint the problems more effectively, timely and accurately report to the police.Current detecting and temperature are surveyed and are adopted the special-purpose acquisition chip of high-precision electric parameter, have improved the acquisition precision of electric current, the actual conditions of kinetic current more accurately, electric leakage and temperature are reported to the police more accurately and timely.
Can detect leakage current, temperature value in real time, adopt sound and light alarm just can cancel during warning until hand-reset, information such as the type of display alarm simultaneously, alarming value, time of fire alarming, but and the store alarms record, the alarm logging power down is not lost, and can inquire about with oneself.Corresponding protection equipment is broken off in the output of may command relay during warning.This detector adopts RS485 and CAN bus communication circuit, can select use (can only select wherein a kind of), can instantaneous value, warning message, parameter information uploading such as be provided with to the upper level watch-dog.
Description of drawings
Fig. 1 is the theory diagram of the utility model.
Embodiment
As shown in Figure 1, a kind of detector for electric fire protection, the utility model comprise single-chip microcomputer, key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, power module
,Switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, current acquisition circuit, nine road residual current transformers, temperature collection circuit, temperature sensor, CAN bus communication circuit, RS485 bus communication circuit; Power module is connected with single-chip microcomputer, key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, current acquisition circuit, nine road residual current transformers, temperature collection circuit, temperature sensor, CAN bus communication circuit, RS485 bus communication circuit respectively; Single-chip microcomputer is connected with key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, CAN bus communication circuit, RS485 bus communication circuit respectively; Analog signal processing circuit is connected with current acquisition circuit, temperature collection circuit respectively; The current acquisition circuit is connected with nine road residual current transformers; Temperature collection circuit is connected with temperature sensor.
The residual current transformer of the utility model is an IP3906L-XX series.
The current acquisition circuit of the utility model designs for multiloop.
The temperature sensor of the utility model is the pt100 RTD.
The analog signal processing circuit of the utility model is connected and composed by five single-phase electric energy chip CS5460A and peripheral resistance, electric capacity, crystal oscillator routine.
The single-chip microcomputer model of the utility model is C8051F040.
The monitoring memory circuit of the utility model is connected and composed by monitoring chip IMP706SESA and ferroelectric memory chip F25040A and peripheral resistance, electric capacity routine.
The LCD display circuit of the utility model is connected and composed by 12864 Liquid Crystal Modules, triode, resistance routine.
The CAN bus communication circuit of the utility model is connected and composed by CAN transceiver ISO1050, electric capacity, resistance routine.
The RS485 bus communication circuit of the utility model is connected and composed by 485 chip 75LBC184, optocoupler, diode, resistance, electric capacity routine.
The switching value input circuit of the utility model is connected and composed by optocoupler, diode, resistance, routine.
The controlled quentity controlled variable output circuit of the utility model is connected and composed by relay, diode, resistance, triode routine.
Key circuit links to each other with the input port of single-chip microcomputer, and alarm parameters can be set, check alarm logging, self check and reset, function such as noise reduction.
Sound light alarming circuit links to each other with the delivery outlet of single-chip microcomputer; Under alarm condition, the LED lamp frequently glimmers, hummer sends ear-piercing chimes of doom, but up to manually pressing just noise reduction of ventil; Stop flicker by reset key LED; When the new police of newspaper, LED is frequently flicker once more, and hummer sends ear-piercing chimes of doom.
The LCD display circuit links to each other with the single-chip microcomputer delivery outlet, adopts Chinese interface to show various information.
The monitoring memory circuit that is made up of monitoring chip IMP706SESA and ferroelectric memory chip FM25040 and peripheral resistance, electric capacity links to each other with the I/O port of single-chip microcomputer, is used to accomplish single-chip microcomputer electrification reset, clear house dog and data storage function.
The clock circuit that is made up of clock chip HT1381, crystal oscillator, diode, resistance, electric capacity links to each other with the I/O port of single-chip microcomputer, is used to provide system clock.
The way switch amount input circuit of being made up of optocoupler links to each other with the input port of single-chip microcomputer, is used to detect the running status of other fire fighting equipment.
The controlled quentity controlled variable output circuit links to each other with the delivery outlet of single-chip microcomputer, when the leakage current in the distribution system reaches the pre-alarm thresholding, and the pilot relay output alarm signal; When the leakage current in the distribution system and temperature reach alarm threshold, pilot relay output trip signal.
Nine road residual current transformers link to each other with the current acquisition circuit; The current acquisition circuit links to each other with analog signal processing circuit; Analog signal processing circuit links to each other with the I/O port of single-chip microcomputer, through high-speed sampling, A/D conversion, obtains the current signal that single-chip microcomputer can be handled; Calculate by single-chip microcomputer, draw the leakage current in the distribution system.
Temperature sensor links to each other with temperature collection circuit, and temperature collection circuit links to each other with analog signal processing circuit, and through high-speed sampling, A/D conversion, obtaining single-chip microcomputer can the treatment temperature signal, is calculated by single-chip microcomputer, draws the temperature value in the distribution system.
Analog signal processing circuit is made up of five single-phase electric energy chip CS5460A, and analog signal processing circuit adopts the SPI technology to be connected with single-chip microcomputer, can analog signal processing circuit constantly be refreshed the current signal, the temperature signal that collect and read fast.
The CAN bus communication circuit that is made up of CAN transceiver ISO1050 and peripheral resistance, electric capacity links to each other with the CAN communication port of single-chip microcomputer, realizes detecting data in real time, warning message and state, parameter is set uploads to upper level equipment.
The RS485 bus communication circuit that is made up of 485 chip 75LBC184, optocoupler PC817,6N137 and peripheral resistance, electric capacity, diode adopts isolation technology to have the single-chip microcomputer I/O port to link to each other; Realize detecting data in real time, warning message and state, parameter is set uploads to upper level equipment.
CAN bus communication circuit and RS485 bus communication circuit can only be selected a kind of communication modes for use in this detector, RS485 bus communication circuit is usually used in short distance communication, and CAN bus communication circuit is usually used in telecommunication.
Claims (1)
1. a detector for electric fire protection is characterized in that, comprises single-chip microcomputer, key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, power module
,Switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, current acquisition circuit, nine road residual current transformers, temperature collection circuit, temperature sensor, CAN bus communication circuit, RS485 bus communication circuit; Power module is connected with single-chip microcomputer, key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, current acquisition circuit, nine road residual current transformers, temperature collection circuit, temperature sensor, CAN bus communication circuit, RS485 bus communication circuit respectively; Single-chip microcomputer is connected with key circuit, sound light alarming circuit, LCD display circuit, monitoring memory circuit, clock circuit, switching value input circuit, controlled quentity controlled variable output circuit, analog signal processing circuit, CAN bus communication circuit, RS485 bus communication circuit respectively; Analog signal processing circuit is connected with current acquisition circuit, temperature collection circuit respectively; The current acquisition circuit is connected with nine road residual current transformers; Temperature collection circuit is connected with temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120491092XU CN202331706U (en) | 2011-12-01 | 2011-12-01 | Electrical fire disaster monitoring detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120491092XU CN202331706U (en) | 2011-12-01 | 2011-12-01 | Electrical fire disaster monitoring detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202331706U true CN202331706U (en) | 2012-07-11 |
Family
ID=46443678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120491092XU Expired - Fee Related CN202331706U (en) | 2011-12-01 | 2011-12-01 | Electrical fire disaster monitoring detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202331706U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183079A (en) * | 2014-08-01 | 2014-12-03 | 镇江翼天计算机科技有限公司 | Multifunctional anti-crash alarm |
| CN105162022A (en) * | 2015-09-06 | 2015-12-16 | 江西江控电气有限公司 | Novel safety power equipment drawer cabinet |
| CN105556582A (en) * | 2013-07-18 | 2016-05-04 | 谷歌公司 | Systems and methods for multi-criteria alarming |
| CN105844863A (en) * | 2016-04-25 | 2016-08-10 | 上海斐讯数据通信技术有限公司 | Smog prompting method and system, and intelligent terminal |
-
2011
- 2011-12-01 CN CN201120491092XU patent/CN202331706U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105556582A (en) * | 2013-07-18 | 2016-05-04 | 谷歌公司 | Systems and methods for multi-criteria alarming |
| US10229583B2 (en) | 2013-07-18 | 2019-03-12 | Google Llc | Systems and methods for multi-criteria alarming |
| US10777072B2 (en) | 2013-07-18 | 2020-09-15 | Google Llc | Systems and methods for multi-criteria alarming |
| CN104183079A (en) * | 2014-08-01 | 2014-12-03 | 镇江翼天计算机科技有限公司 | Multifunctional anti-crash alarm |
| CN105162022A (en) * | 2015-09-06 | 2015-12-16 | 江西江控电气有限公司 | Novel safety power equipment drawer cabinet |
| CN105162022B (en) * | 2015-09-06 | 2017-08-29 | 江西江控电气有限公司 | A kind of new type of safe power equipment drawout cubicle |
| CN105844863A (en) * | 2016-04-25 | 2016-08-10 | 上海斐讯数据通信技术有限公司 | Smog prompting method and system, and intelligent terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20141201 |
|
| EXPY | Termination of patent right or utility model |