CN104318698A - Fire indication panel control circuit - Google Patents

Fire indication panel control circuit Download PDF

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Publication number
CN104318698A
CN104318698A CN201410585097.7A CN201410585097A CN104318698A CN 104318698 A CN104318698 A CN 104318698A CN 201410585097 A CN201410585097 A CN 201410585097A CN 104318698 A CN104318698 A CN 104318698A
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China
Prior art keywords
electric capacity
connects
diode
pin
circuit
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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.)
Granted
Application number
CN201410585097.7A
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Chinese (zh)
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CN104318698B (en
Inventor
朱超
魏岗
陆晓萍
付宏博
刘秀影
郭金国
夏顺飞
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WUXI BRIGHTSKY ELECTRONIC CO Ltd
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WUXI BRIGHTSKY ELECTRONIC CO Ltd
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Priority to CN201410585097.7A priority Critical patent/CN104318698B/en
Publication of CN104318698A publication Critical patent/CN104318698A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion

Abstract

The invention relates to the technical field of fire control circuits, in particular to a fire indication panel control circuit. The mode that a traditional fire indication panel has an independent circuit communication bus and shares one circuit communication bus with a warning detector is changed. The fire indication panel control circuit facilitates use of large systems, comprises a fire warning controller and a fire indication panel, and is characterized in that the inside of the fire indication panel comprises a communication interface circuit and a system processing circuit and the system processing circuit is connected with the fire warning controller through the communication interface circuit.

Description

A kind of fire display panel control circuit
Technical field
The present invention relates to fire control circuit engineering field, be specially a kind of fire display panel control circuit.
Background technology
In general industry and civilian construction, fire alarm installation must be installed, guarantee alarm function when fire occurs, fire display panel is wherein used to the fire condition showing floor or subregion, alarm detector detects fire signal and sends to fire alarm control unit, after fire display panel receives the fire signal that fire alarm control unit sends, the detector numbering and relevant information that produce warning show and send sound and light alarm signal simultaneously by fire display panel, to catch fire the personnel in region with notice, fire damage is reduced to a minimum, communication between existing fire display panel and fire alarm control unit can only be completed by RS485, take separately a loop, be unfavorable for that large scale system uses.
Summary of the invention
In order to solve the problem, the invention provides a kind of fire display panel control circuit, that it changes the independent Loop communication bus of traditional fire display panel, and alarm detector shares a Loop communication bus, is conducive to the use of large scale system.
Its technical scheme is such: a kind of fire display panel control circuit, it comprises fire alarm control unit and fire display panel, it is characterized in that, communication interface circuit and system treatment circuit is comprised in described fire display panel, described system treatment circuit connects described fire alarm control unit by communication interface circuit, described communication interface circuit comprises the interface T+ connecting described fire alarm control unit, T-, described interface T+ connects the positive pole of diode V10, the negative pole of diode V14, described interface T-connects the positive pole of diode V13, the negative pole of diode V12, described diode V14, the connected rear ground connection of positive pole of diode V12, described diode V10, the positive pole of diode V15 is connected after the negative pole of diode V13 is connected, the negative pole of diode V7, 6th pin of photo-coupler U11, negative pole contact resistance R17 one end of described diode V15, the collector of described resistance R17 other end connecting triode V8, resistance R22 one end, electric capacity C21 one end, electric capacity C22 one end, the other end of described resistance R22 connects the base stage of described triode V8, the negative pole of diode V9, the emitter of described triode V8 connects electric capacity C16 one end, the positive pole of the described electric capacity C16 other end and described diode V9, the electric capacity C21 other end, ground connection after the electric capacity C22 other end is connected, positive pole contact resistance R9 one end of described diode V7, the described resistance R9 other end connects second pin of photo-coupler U12, the three-prong ground connection of described photo-coupler U12, 6th pin contact resistance R23 one end, the described resistance R23 other end is connected power supply VCC after being connected with the 8th pin of photo-coupler U12, second pin contact resistance R3 one end of described photo-coupler U11, 5th pin ground connection, 8th pin connects the base stage of described triode V8, the described resistance R3 other end connects power supply VCC, the three-prong of described photo-coupler U11, the 8th pin connection system treatment circuit of photo-coupler U11.
It is further characterized in that, described system treatment circuit comprises STC89C54 single-chip microcomputer, described STC89C54 single-chip microcomputer connects RAM chip U3 by latch U2, storer U7 connects described STC89C54 single-chip microcomputer, RAM chip U3 simultaneously, described STC89C54 single-chip microcomputer also connects code translator U4, EPROM chip U15, and described EPROM chip U15 is connected with described RAM chip U3;
What trigger U8, trigger U9, bus transceiver U14 connected that described STC89C54 single-chip microcomputer forms described STC89C54 single-chip microcomputer extends out port, and the port that extends out of described STC89C54 single-chip microcomputer connects keystroke interface X3, LED interface X1, buzzer circuit;
Described STC89C54 single-chip microcomputer connects 5V power circuit, described 5V power circuit comprises voltage stabilizer U1, first pin of described voltage stabilizer U1 connects electric capacity C6 one end, electric capacity C12 one end, 24V input voltage, described electric capacity C6, second pin of the electric capacity C12 other end and described voltage stabilizer U1, ground connection after 4th pin is connected, the three-prong of described voltage stabilizer U1 connects electric capacity C7, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C13, electric capacity C14, electric capacity C3 one end, described electric capacity C7, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C13, electric capacity C14, electric capacity C3 other end ground connection, described voltage stabilizer U1 three-prong be 5V voltage output end, connect described STC89C54 single-chip microcomputer.
After adopting structure of the present invention, fire alarm control unit is connected by communication interface circuit with fire display panel, transceiving data realizes the communication of main frame-extension set, distributed alarming display system is formed by communication network, a Loop communication bus is shared with alarm detector, change the independent Loop communication bus of traditional fire display panel, be conducive to the use of large scale system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is communication interface circuit schematic diagram in the present invention;
Fig. 3 is that STC89C54 single-chip microcomputer connects RAM chip U3 schematic diagram;
Fig. 4 is storer U7, code translator U4, EPROM chip U15 circuit connection diagram;
Fig. 5 be in the present invention STC89C54 single-chip microcomputer extend out port connection diagram;
Fig. 6 is 5V power circuit schematic diagram in the present invention.
Embodiment
See Fig. 1, shown in Fig. 2, a kind of fire display panel control circuit, it comprises fire alarm control unit and fire display panel, communication interface circuit and system treatment circuit is comprised in fire display panel, system treatment circuit connects fire alarm control unit by communication interface circuit, and communication interface circuit comprises the interface T+ connecting fire alarm control unit, T-, interface T+ connect the positive pole of diode V10, the negative pole of diode V14, interface T-connects the positive pole of diode V13, the negative pole of diode V12, diode V14, the connected rear ground connection of positive pole of diode V12, diode V10, the positive pole of diode V15 is connected after the negative pole of diode V13 is connected, the negative pole of diode V7, 6th pin of photo-coupler U11, negative pole contact resistance R17 one end of diode V15, the collector of resistance R17 other end connecting triode V8, resistance R22 one end, electric capacity C21 one end, electric capacity C22 one end, the base stage of the other end connecting triode V8 of resistance R22, the negative pole of diode V9, the emitter of triode V8 connects electric capacity C16 one end, the positive pole of the electric capacity C16 other end and diode V9, the electric capacity C21 other end, ground connection after the electric capacity C22 other end is connected, positive pole contact resistance R9 one end of diode V7, the resistance R9 other end connects second pin of photo-coupler U12, the three-prong ground connection of photo-coupler U12, 6th pin contact resistance R23 one end, the resistance R23 other end is connected power supply VCC, second pin contact resistance R3 one end of photo-coupler U11 after being connected with the 8th pin of photo-coupler U12, 5th pin ground connection, the base stage of the 8th pin connecting triode V8, the resistance R3 other end connects power supply VCC, the three-prong of photo-coupler U11, the 8th pin connection system treatment circuit of photo-coupler U11.
See Fig. 3, Fig. 4, shown in Fig. 5, system treatment circuit comprises STC89C54 single-chip microcomputer, STC89C54 single-chip microcomputer connects RAM chip U3 by latch U2, storer U7 connects STC89C54 single-chip microcomputer, RAM chip U3 simultaneously, and STC89C54 single-chip microcomputer also connects code translator U4, EPROM chip U15, and EPROM chip U15 is connected with RAM chip U3; What trigger U8, trigger U9, bus transceiver U14 connected that STC89C54 single-chip microcomputer forms STC89C54 single-chip microcomputer extends out port, the port that extends out of STC89C54 single-chip microcomputer connects keystroke interface X3, LED interface X1, buzzer circuit, wherein, latch U2 model is 74LS373; RAM chip U3 model is HM6264, forms internal storage location; Storer U7 model is W29C020, form Chinese character base unit; Code translator U4 model is 74HC138, forms decoding unit; EPROM chip U15 model is 24LC65, constitution equipment and user profile unit; In Fig. 3, Fig. 4, Fig. 5, namely represent identical with the pin label of other chips of the network label at each chip pin place is connected.
As shown in Figure 6, STC89C54 single-chip microcomputer connects 5V power circuit, 5V power circuit comprises voltage stabilizer U1, first pin of voltage stabilizer U1 connects electric capacity C6 one end, electric capacity C12 one end, 24V input voltage, electric capacity C6, second pin of the electric capacity C12 other end and voltage stabilizer U1, ground connection after 4th pin is connected, the three-prong of voltage stabilizer U1 connects electric capacity C7, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C13, electric capacity C14, electric capacity C3 one end, electric capacity C7, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C13, electric capacity C14, electric capacity C3 other end ground connection, voltage stabilizer U1 three-prong be 5V voltage output end, connect STC89C54 single-chip microcomputer, fire-fighting class power supply generally adopts DC24V Power supply, STC89C54 single-chip microcomputer operating voltage is DC5V, be the operating voltage of single-chip microcomputer and outside cmos circuit by DC24V voltage transitions by high efficiency dc-dc part, conversion efficiency is high.Owing to have employed cmos circuit, therefore power consumption is very little.Average standby current≤the 70mA of system, alarm current≤120mA.Product of the present invention can show fire alarm, failure message in real time, can select display alarm point range.

Claims (4)

1. a fire display panel control circuit, it comprises fire alarm control unit and fire display panel, it is characterized in that, communication interface circuit and system treatment circuit is comprised in described fire display panel, described system treatment circuit connects described fire alarm control unit by communication interface circuit, described communication interface circuit comprises the interface T+ connecting described fire alarm control unit, T-, , described interface T+ connects the positive pole of diode V10, the negative pole of diode V14, described interface T-connects the positive pole of diode V13, the negative pole of diode V12, described diode V14, the connected rear ground connection of positive pole of diode V12, described diode V10, the positive pole of diode V15 is connected after the negative pole of diode V13 is connected, the negative pole of diode V7, 6th pin of photo-coupler U11, negative pole contact resistance R17 one end of described diode V15, the collector of described resistance R17 other end connecting triode V8, resistance R22 one end, electric capacity C21 one end, electric capacity C22 one end, the other end of described resistance R22 connects the base stage of described triode V8, the negative pole of diode V9, the emitter of described triode V8 connects electric capacity C16 one end, the positive pole of the described electric capacity C16 other end and described diode V9, the electric capacity C21 other end, ground connection after the electric capacity C22 other end is connected, positive pole contact resistance R9 one end of described diode V7, the described resistance R9 other end connects second pin of photo-coupler U12, the three-prong ground connection of described photo-coupler U12, 6th pin contact resistance R23 one end, the described resistance R23 other end is connected power supply VCC after being connected with the 8th pin of photo-coupler U12, second pin contact resistance R3 one end of described photo-coupler U11, 5th pin ground connection, 8th pin connects the base stage of described triode V8, the described resistance R3 other end connects power supply VCC, the three-prong of described photo-coupler U11, the 8th pin connection system treatment circuit of photo-coupler U11.
2. a kind of fire display panel control circuit according to claim 1, it is characterized in that, described system treatment circuit comprises STC89C54 single-chip microcomputer, described STC89C54 single-chip microcomputer connects RAM chip U3 by latch U2, storer U7 connects described STC89C54 single-chip microcomputer, RAM chip U3 simultaneously, described STC89C54 single-chip microcomputer also connects code translator U4, EPROM chip U15, and described EPROM chip U15 is connected with described RAM chip U3.
3. a kind of fire display panel control circuit according to claim 2, it is characterized in that, what trigger U8, trigger U9, bus transceiver U14 connected that described STC89C54 single-chip microcomputer forms described STC89C54 single-chip microcomputer extends out port, and the port that extends out of described STC89C54 single-chip microcomputer connects keystroke interface X3, LED interface X1, buzzer circuit.
4. a kind of fire display panel control circuit according to claim 1, it is characterized in that, described STC89C54 single-chip microcomputer connects 5V power circuit, described 5V power circuit comprises voltage stabilizer U1, first pin of described voltage stabilizer U1 connects electric capacity C6 one end, electric capacity C12 one end, 24V input voltage, described electric capacity C6, second pin of the electric capacity C12 other end and described voltage stabilizer U1, ground connection after 4th pin is connected, the three-prong of described voltage stabilizer U1 connects electric capacity C7, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C13, electric capacity C14, electric capacity C3 one end, described electric capacity C7, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C13, electric capacity C14, electric capacity C3 other end ground connection, described voltage stabilizer U1 three-prong be 5V voltage output end, connect described STC89C54 single-chip microcomputer.
CN201410585097.7A 2014-10-28 2014-10-28 A kind of fire display panel control circuit Active CN104318698B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109816916A (en) * 2019-03-20 2019-05-28 武汉恒安数联电子科技有限公司 Fire display panel circuit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2664092Y (en) * 2003-11-17 2004-12-15 无锡蓝天电子有限公司 Fire alarm controller
JP2006004240A (en) * 2004-06-18 2006-01-05 Nohmi Bosai Ltd Fire display
JP4077817B2 (en) * 2003-08-11 2008-04-23 哲也 園山 Guidance display system
CN201322971Y (en) * 2008-12-19 2009-10-07 蚌埠依爱消防电子有限责任公司 Linkage control device for electrical fire monitoring device
CN201984604U (en) * 2011-01-30 2011-09-21 浙江爱德电子有限公司 Fire display panel
CN103903379A (en) * 2012-02-27 2014-07-02 段高峰 Main board of fire alarm controller
CN204375099U (en) * 2014-10-28 2015-06-03 无锡蓝天电子有限公司 Fire display panel control circuit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4077817B2 (en) * 2003-08-11 2008-04-23 哲也 園山 Guidance display system
CN2664092Y (en) * 2003-11-17 2004-12-15 无锡蓝天电子有限公司 Fire alarm controller
JP2006004240A (en) * 2004-06-18 2006-01-05 Nohmi Bosai Ltd Fire display
CN201322971Y (en) * 2008-12-19 2009-10-07 蚌埠依爱消防电子有限责任公司 Linkage control device for electrical fire monitoring device
CN201984604U (en) * 2011-01-30 2011-09-21 浙江爱德电子有限公司 Fire display panel
CN103903379A (en) * 2012-02-27 2014-07-02 段高峰 Main board of fire alarm controller
CN204375099U (en) * 2014-10-28 2015-06-03 无锡蓝天电子有限公司 Fire display panel control circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109816916A (en) * 2019-03-20 2019-05-28 武汉恒安数联电子科技有限公司 Fire display panel circuit

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Address after: Agency town of Huishan District in Jiangsu province Wuxi City Luo 214187 State Road 312 Zhang bridge section

Applicant after: WUXI BRIGHTSKY ELECTRONIC CO., LTD.

Address before: Agency town of Huishan District in Jiangsu province Wuxi City Luo 214187 State Road 312 Zhang bridge section

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