CN2382076Y - Fire alarm linking controller - Google Patents
Fire alarm linking controller Download PDFInfo
- Publication number
- CN2382076Y CN2382076Y CN 98239487 CN98239487U CN2382076Y CN 2382076 Y CN2382076 Y CN 2382076Y CN 98239487 CN98239487 CN 98239487 CN 98239487 U CN98239487 U CN 98239487U CN 2382076 Y CN2382076 Y CN 2382076Y
- Authority
- CN
- China
- Prior art keywords
- pin
- resistance
- bus
- microcontroller
- links
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Fire Alarms (AREA)
- Alarm Systems (AREA)
Abstract
The utility model relates to a fire alarm linking controller. A two-wire system bus is divided into a plurality of passages to work in parallel. A microcontroller is taken as a core, an NV-RAM is used for storing field programming information, and the remote online can be realized through RS-485 serial ports. The fire alarm linking controller can realize a plurality of linking control logic. The controller integrates fire alarm, fire fighting linkage, large screen Chinese character display and audible and visual alarm into a whole, and has the advantages of low cost, small volume, high parallel working speed of bus passages, and on-site programming.
Description
The utility model relates to a kind of fire alarm linkage controller.
Existing fire alarm linkage controller has board plug type, and volume is bigger, a plurality of CPU are arranged, and cost is very high, shows that the Chinese character number of words is few.
The purpose of this utility model provides that a kind of cost is low, volume is little, the fire alarm linkage controller of intuitive display.
The purpose of this utility model is achieved in that its microcontroller of fire alarm linkage controller 80C32-16 is by data bus P
0Mouth and control bus P
3Mouth links to each other with each bus run, microcontroller 80C32 also with ROM (2 * 27C512), RAM (62256) links to each other with WDOG (MAX813L), microcontroller 80C32 and power down not obliterated data storer NVRAM (DS1230-150) link to each other, microcontroller 80C32-16 serial port adopts the RS-485 communication, 80C32 also with big screen LCD HG25501-NT, light-emitting diode display, hummer and keyboard link to each other, stabilized voltage supply (LM338K) is powered to entire controller, the circuit structure of described each bus run is identical, concrete structure is as follows: operational amplifier D29:A (TL064) power end (4 pin) connects capacitor C 48, the output terminal of D29:A (1 pin) links to each other with resistance R N9:A and R31, RN9:A and triode V41 base stage, the V46 collector links to each other, D29:A inverting input (2 pin) and resistance R 31, RN9:C, RN9:D links to each other, resistance R N9:C connects triode V47 collector, V41 emitter-base bandgap grading connecting resistance R29, R30, and outwards make bus and export, resistance R 29 connects diode V14 anode, (6 pin) positive input terminal of resistance R 28 and A/D converter ADC0803, resistance R 22 links to each other with RP1, RP1 links to each other with R24,8 pin of A/D converter ADC0803,10 pin, 11 pin of operational amplifier D29:A, 1 pin of 8 latch 74HC374,10 pin, capacitor C 48, triode V46, the V47 emitter grounding, resistance R 22, R25, capacitor C 43, C48,20 pin of A/D converter ADC0803,4 pin of operational amplifier D29:A, 20 pin of 8 latch 74HC347, triode V41 collector connects power supply, triode V46, the V47 base stage is by 16 of resistance R N2 and 8 latch 74HC374,15 pin link to each other, the DB0-DB7 of A/D converter ADC0803,8 latch 74HC374D0-D7 pin meet microcontroller 80C32-16 data bus P
0Mouthful, 1,2,3,5 pin of A/D converter ADC0803,11 pin of 74HC374 meet the control bus P of microcontroller 80C32
3Mouthful, the circuit structure of other each bus run is all identical, and above-mentioned bus run number is 1-16.
Compare with prior art, the utlity model has following characteristics:
1, be core with microcontroller 80C32, save cost, volume is little, and bus run design allowance is fastened to connect and surveyed and execution unit, and bus run concurrent working speed is fast,
2, the utility model is that collection fire alarm, fire protection linkage control, giant-screen Chinese character show that (16 * 8 Chinese characters), sound and light alarm are the automatic control equipment of one, its intuitive display,
But 3, the utility model field programming,
4, the utility model adopts the RS-485 serial port, but remote connection also can be hung printer.
Be described in detail technical solution of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is the circuit theory diagrams of bus run.
Fig. 3 is a part of synoptic diagram of circuit theory of the present utility model.
Fig. 4 is a part of synoptic diagram of circuit theory of the present utility model.
As figure, its microcontroller of fire alarm linkage controller 80C32-16 is by data bus P
0Mouth and control bus P
3Mouth links to each other with each bus run, microcontroller 80C32 also with ROM (2 * 27C512), RAM (62256) links to each other with WDOG (MAX813L), microcontroller 80C32 and power down not obliterated data storer NVRAM (DS1230-150) link to each other, microcontroller 80C32-16 serial port adopts the RS-485 communication, 80C32 also with big screen LCD HG25501-NT, light-emitting diode display, hummer and keyboard link to each other, stabilized voltage supply (LM338K) is powered to entire controller, the circuit structure of described each bus run is identical, concrete structure is as follows: operational amplifier D29:A (TL064) power end (4 pin) connects capacitor C 48, the output terminal of D29:A (1 pin) links to each other with resistance R N9:A and R31, RN9:A and triode V41 base stage, the V46 collector links to each other, D29:A inverting input (2 pin) and resistance R 31, RN9:C, RN9:D links to each other, resistance R N9:C connects triode V47 collector, V41 emitter-base bandgap grading connecting resistance R29, R30, and outwards make bus and export, resistance R 29 connects diode V14 anode, (6 pin) positive input terminal of resistance R 28 and A/D converter ADC0803, resistance R 22 links to each other with RP1, RP1 links to each other with R24,8 pin of A/D converter ADC0803,10 pin, 11 pin of operational amplifier D29:A, 1 pin of 8 latch 74HC374,10 pin, capacitor C 48, triode V46, the V47 emitter grounding, resistance R 22, R25, capacitor C 43, C48,20 pin of A/D converter ADC0803,4 pin of operational amplifier D29:A, 20 pin of 8 latch 74HC347, triode V41 collector connects power supply, triode V46, the V47 base stage is by 16 of resistance R N2 and 8 latch 74HC374,15 pin link to each other, the DB0-DB7 of A/D converter ADC0803,8 latch 74HC374D0-D7 pin meet microcontroller 80C32-16 data bus P
0Mouthful, 1,2,3,5 pin of A/D converter ADC0803,11 pin of 74HC374 meet the control bus P of microcontroller 80C32
3Mouthful, the circuit structure of other each bus run is all identical, and above-mentioned bus run number is 1-16.The course of work of the present utility model is as follows: 80C32-16 and ROM, RAM constitute single-chip minimum system, be the data processing and the control center of controller, it finishes patrolling and examining and controlling, realization warning and interlock function detector and control module by 1-16 bus run circuit; By keyboard and serial port input user's operation information, user's field programming is existed among the NVRAM, the various information of controller show in the Chinese character mode by LCD, LED is used to indicate working state of system, all kinds of warning messages can pass through printer prints, and drive hummer and assist the interlock facility to assist interlock.The principle of work of bus run is as follows: operational amplifier D29:A is operated in negative feedback can adjust state, by the conducting of microcontroller 80C32 by 8 latch 74HC374 control triode V47 with end, thereby square-wave pulse appears in 1 pin at operational amplifier D29:A, drives at " BUS " end through V41 and forms data signal bus.The bus feedback voltage signal is sent into 6 pin of A/D converter ADC0803 through resistance R 29, R28 dividing potential drop, convert 8 bit digital quantity here to and send microcontroller 80C32 back to, through comparing with alarming threshold value, identify fire alarm, finish warning function, thereby the effect of V46 is can stop to send data signal bus by V41 at any time under the control of microcontroller data bus, and this circuit is finished bus and sent data to send and reception, and each passage can provide 127 coded addresses.
Claims (1)
1, a kind of fire alarm linkage controller is characterized in that microcontroller 80C32-16 is by data bus P
0Mouth and control bus P
3Mouth links to each other with each bus run, microcontroller 80C32 also with ROM (2 * 27C512), RAM (62256) links to each other with WDOG (MAX813L), microcontroller 80C32 and power down not obliterated data storer NVRAM (DS1230-150) link to each other, microcontroller 80C32-16 serial port adopts the RS-485 communication, 80C32 also with big screen LCD HG25501-NT, light-emitting diode display, hummer and keyboard link to each other, stabilized voltage supply (LM338K) is powered to entire controller, the circuit structure of described each bus run is identical, concrete structure is as follows: operational amplifier D29:A (TL064) power end (4 pin) connects capacitor C 48, the output terminal of D29:A (1 pin) links to each other with resistance R N9:A and R31, RN9:A and triode V41 base stage, the V46 collector links to each other, D29:A inverting input (2 pin) and resistance R 31, RN9:C, RN9:D links to each other, resistance R N9:C connects triode V47 collector, V41 emitter-base bandgap grading connecting resistance R29, R30, and outwards make bus and export, resistance R 29 connects diode V14 anode, (6 pin) positive input terminal of resistance R 28 and A/D converter ADC0803, resistance R 22 links to each other with RP1, RP1 links to each other with R24,8 pin of A/D converter ADC0803,10 pin, 11 pin of operational amplifier D29:A, 1 pin of 8 latch 74HC374,10 pin, capacitor C 48, triode V46, the V47 emitter grounding, resistance R 22, R25, capacitor C 43, C48,20 pin of A/D converter ADC0803,4 pin of operational amplifier D29:A, 20 pin of 8 latch 74HC347, triode V41 collector connects power supply, triode V46, the V47 base stage is by 16 of resistance R N2 and 8 latch 74HC374,15 pin link to each other, the DB0-DB7 of A/D converter ADC0803,8 latch 74HC374D0-D7 pin meet microcontroller 80C32-16 data bus P
0Mouthful, 1,2,3,5 pin of A/D converter ADC0803,11 pin of 74HC374 meet the control bus P of microcontroller 80C32
3Mouthful, the circuit structure of other each bus run is all identical, and above-mentioned bus run number is 1-16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98239487 CN2382076Y (en) | 1998-11-27 | 1998-11-27 | Fire alarm linking controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98239487 CN2382076Y (en) | 1998-11-27 | 1998-11-27 | Fire alarm linking controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2382076Y true CN2382076Y (en) | 2000-06-07 |
Family
ID=33986852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98239487 Expired - Fee Related CN2382076Y (en) | 1998-11-27 | 1998-11-27 | Fire alarm linking controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2382076Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6958700B2 (en) | 2001-08-22 | 2005-10-25 | Nohmi Bosai Ltd. | Fire receiver |
| CN100363956C (en) * | 2005-12-30 | 2008-01-23 | 天津市英克瑞电子技术有限公司 | Control system of fire display disc |
| CN101867287A (en) * | 2010-06-25 | 2010-10-20 | 上海铁大电信设备有限公司 | Low-speed long-range field bus |
| CN102125741A (en) * | 2010-01-12 | 2011-07-20 | 基德科技公司 | Highly integrated data bus automatic fire extinguishing system |
-
1998
- 1998-11-27 CN CN 98239487 patent/CN2382076Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6958700B2 (en) | 2001-08-22 | 2005-10-25 | Nohmi Bosai Ltd. | Fire receiver |
| CN100363956C (en) * | 2005-12-30 | 2008-01-23 | 天津市英克瑞电子技术有限公司 | Control system of fire display disc |
| CN102125741A (en) * | 2010-01-12 | 2011-07-20 | 基德科技公司 | Highly integrated data bus automatic fire extinguishing system |
| US8511397B2 (en) | 2010-01-12 | 2013-08-20 | Kidde Technologies, Inc. | Highly integrated data bus automatic fire extinguishing system |
| CN101867287A (en) * | 2010-06-25 | 2010-10-20 | 上海铁大电信设备有限公司 | Low-speed long-range field bus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2382076Y (en) | Fire alarm linking controller | |
| CN101369157B (en) | Mine dust concentration control device | |
| CN2798238Y (en) | Digital tube driving circuit | |
| CN112450801A (en) | Display screen circuit, display screen and dust collector | |
| CN205942337U (en) | Rural household automatic water pumping system | |
| CN2315499Y (en) | Colour displayer of electric refrigerator | |
| CN214070217U (en) | Neon lamp controller based on internet of things technology | |
| CN211500275U (en) | Window control system based on carbon monoxide detects | |
| CN2311899Y (en) | User information intelligence controller | |
| CN214335504U (en) | Data acquisition control module of microbial cultivation detector | |
| CN210565265U (en) | Integrated display control circuit of front panel of building type fan and water pump control box | |
| CN2248249Y (en) | Intelligent control instrument for diesel engine | |
| CN219434211U (en) | LoRa cluster illuminance detecting system | |
| CN215565305U (en) | Be applicable to two door magnetic switch circuits of normally closed door | |
| CN2172889Y (en) | Collecting and distributing type flash signal alarm | |
| CN201898499U (en) | Serial-port instruction checking type wire holder for managing 24N/2 groups of household electronic products by TXD wire | |
| CN218214611U (en) | Novel LED display driving circuit, control chip and air conditioner | |
| CN219577265U (en) | Full-automatic data conversion unit | |
| CN212569464U (en) | Digital electric film winder control circuit | |
| CN212812086U (en) | Lighting control system based on ZIGBEE technology | |
| CN203675378U (en) | Constant current driving LED circuit | |
| CN210971377U (en) | Bicycle taillight with water leakage reminding function | |
| CN210271215U (en) | GPRS type remote transmission terminal | |
| CN217982154U (en) | Intelligent desktop purifier | |
| CN212543755U (en) | Low-power consumption wall switch applied to indoor intelligent lighting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |