CN1794307A - Control system of fire display disc - Google Patents
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- CN1794307A CN1794307A CN 200510136002 CN200510136002A CN1794307A CN 1794307 A CN1794307 A CN 1794307A CN 200510136002 CN200510136002 CN 200510136002 CN 200510136002 A CN200510136002 A CN 200510136002A CN 1794307 A CN1794307 A CN 1794307A
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Abstract
This invention relates to a fire display disk control system including: a fire information converter, a field bus line and N parallel information disks, in which, said display control system is connected with a fire alarm controller via serial communication lines, the fire information converter includes: a microcontroller module, a message storage module, a serial communication interface, a supply converting module, an outer I/O interface and a field bus controller, the fire information display disk includes: a microcontroller module, a Chinese character library module, a field bus interface, a supply conversion module, an address keyboard module and an alarm display module. This invention applies a large scale IC with small volume, low power loss and quick speed in refreshing display contents and Chinese English display.
Description
[technical field]: the control that the invention belongs to fire monitoring alarm control technology field, particularly fire display panel.
[background technology]: the fire display panel that uses in fire monitoring alarm control technology field at present constitutes by resolution element, and its deficiency is:
Integrated level is low, and volume is big, and power consumption is big.
Display message is single, and majority is to adopt label to show, change displaying contents trouble.
Represent the position or the state of warning device with label, not directly perceived, be not easy to understand.
Be connected between display device and its controller and adopt parallel bus, limited the quantity and the signal transmission distance of display device.
[summary of the invention]: the present invention seeks to solve above shortcomings in the prior art, a kind of control system of fire display disc is provided.
Control system of fire display disc provided by the invention comprises:
---fire information converter [1-1]: be used for receiving the fire alarm signal send by null modem cable [3], send by the detected fire fighting equipment of fire alarm control unit [2], it is the fire message information, and convert the fire message information to fire display panel [1-3] discernible form, send to each fire information display panel [1-3] on the bus by fieldbus [1-2];
---fieldbus [1-2]: be used for the fire message information after fire information converter [1-1] conversion is sent to each fire information display panel [1-3] on the bus;
---N fire information display panel [1-3] in parallel: be responsible for receiving the information that fire information converter [1-1] sends, and on its screen, show according to different information, be that each display panel is by distinguishing this machine address and the message identification code that receives, determine whether to receive data for this machine, it is this machine address, receive message, and on corresponding fire information display panel [1-3], demonstrate fire alarm information; Wherein N is an integer, and N 〉=1;
---between this control system of fire display disc and the outside fire alarm control unit [2] by two-way connection of null modem cable [3].
Fire information converter wherein comprises:
---micro controller module [11]: comprise high performance microprocessor of 16 bit AM188ES and program storage FLASH, data-carrier store SDRAM, wherein microprocessor AM188ES contains inside two general serial communication controllers and bus address code translator;
---message memory module [12]: comprise an electric board, be used to store fire alarm information; Be connected by bidirectional bus [17] between the micro controller module [11], comprise data bus, address bus and control bus;
---serial communication interface [13]: comprise a two-way level translator, finish the mutual conversion between Transistor-Transistor Logic level and the RS232 level; Be connected by bidirectional bus [18] between the micro controller module [11], comprise that two send signal wire TXD0, TXD1 and two received signal line RXD0, RXD1;
---power transfer module [14]: the direct supply of outside input is converted to the D.C. regulated power supply that the fire information converter inside is used, comprises two-way power supply output 5V and 3.3V; Be connected by power lead [19] between the micro controller module [11], comprise direct current 5V power lead and direct current 3.3V power lead, and ground wire GND;
---exterior I/O interface [15]: switching value input/output signal interface comprises input channel and two-way open collector output channel that two-way band light lotus root isolates; Be connected by interface line [20] between the micro controller module [11], comprise two-way input signal cable INT6, INT2 and two-way output signal line OB1, OB2;
---Fieldbus Control device [16]: finish the communications between micro controller module [11] and the external fieldbus; Be connected by bidirectional bus [21] between the micro controller module [11], comprise data bus, address bus and control bus.
Fire information display panel wherein comprises:
---micro controller module [31]: comprise high performance 8-bit microprocessor AT89C51CC01 and, data-carrier store SDRAM, wherein microprocessor AT89C51CC01 contains inside CAN Bus BUS controller;
---Chinese word library module [32]: comprise an electric board, be used to store Chinese GB character library, from Chinese word library, read type matrix according to Hanzi section-position code when fire information shows; Be connected by bidirectional bus [37] between the micro controller module [31], comprise data bus, address bus and control bus;
---field-bus interface [33]: comprise a fieldbus signal transceiving driver, finish the mutual conversion between Transistor-Transistor Logic level and the fieldbus level; Be connected by bidirectional bus [38] between the micro controller module [31], comprise that fieldbus sends signal wire CANTX and received signal line CANRX;
---power transfer module [34]: the direct supply of outside input is converted to the D.C. regulated power supply 5V that the fire information converter inside is used; Be connected by power lead [39] between the micro controller module [31], comprise direct current 5V power lead, and ground wire GND;
---address key disk module [35]: the button input channel that is display panel, comprise 3 button KEY0, KEY1, KEY2, represent UP, DOWN, CLR/RST push button signalling respectively, the address setting switch that also comprises display panel, form by one group of scale-of-two toggle switch, be used to be provided with the display panel address code on the bus at the scene; Be connected by interface line [40] between the micro controller module [31], comprise UP, DOWN, CLR/RST push button signalling, and one group of scale-of-two toggle switch signal;
---alarm indication module [36]: finish the demonstration output of fire alarm information; Be connected by bus [41] between the micro controller module [31], comprise data bus, address bus and control bus, and the alarm bell output signal.
Advantage of the present invention and good effect: the present invention adopts large scale integrated circuit, and volume is little, and is low in energy consumption.Adopt liquid crystal LCD display message, displaying contents refresh rate piece simultaneously can Chinese display Chinese character and various Chinese and English character.Represent the position or the state of warning device with Chinese character information, directly perceived, understand easily.Be connected between display panel and its controller and adopt fieldbus, can expand the quantity and the signal transmission distance of display panel.
In addition, the present invention links to each other with the fire alarm control unit of outside by the standard serial communication circuit, has certain versatility.Adopt fieldbus to be connected between fire information converter of the present invention and several fire display panels.The fire information display panel receives the pairing fire information of its ID address code according to separately ID address code difference, has guaranteed accuracy and rapidity that fire information transmits.Dispose 1 warning alarm bell and 3 buttons on the fire information display panel, can realize, the inquiry of fire information, clear screen, eliminate functions such as audible alarm by pressing corresponding button.
[description of drawings]:
Fig. 1 is the control system of fire display disc structural representation;
Fig. 2 is a fire information converter structure synoptic diagram;
Fig. 3 is a fire information display panel structural representation;
Fig. 4 is a fire information converter primary module electrical schematic diagram;
Fig. 5 is a fire information converter peripheral module electrical schematic diagram;
Fig. 6 is a fire information display panel primary module electrical schematic diagram;
Fig. 7 is a fire information display panel peripheral module electrical schematic diagram.
[embodiment]:
As shown in Figure 1, control system of fire display disc 1 provided by the invention comprises part compositions such as fire information converter 1-1, fieldbus 1-2 and N fire information display panel 1-3 (N is an integer, and N 〉=1).
Between control system of fire display disc 1 and the outside fire alarm control unit 2 by 3 two-way connections of null modem cable.
Its principle of work is as follows:
When detecting fire fighting equipment, fire alarm control unit 2 (comprises smoke alarm, the temperature detection device, combustible gas probe, panalarms such as manual pull station) behind the fire alarm signal that sends, send the fire message information by null modem cable 3 to fire transcriber 1-1 and (comprise warning, information such as reset), fire information converter 1-1 converts the fire message information to fire display panel 1-3 discernible form, send to each fire information display panel 1-3 on the bus by fieldbus 1-2, fire information display panel 1-3 is by distinguishing this machine address and the message identification code that receives, determine whether to receive data for this machine, if this machine address, just receive message, finally on different fire information display panel 1-3, demonstrate fire alarm information.
Fire information display panel 1-3 among the present invention is responsible for receiving the information that fire information converter 1-1 sends, and shows on its screen according to different information.The main information that fire information display panel 1-3 receives has display alarm information and sound warning message.Fire information display panel 1-3 provides the query function of information simultaneously.Promptly come fire alarm control unit 2 to send Query Information to the outside by " going up page or leaf ", " nextpage " button that triggers on the display panel, if having the warning message of this display panel in the fire alarm control unit 2 (reports to the police to fire fighting equipment that should display panel, and under the situation that fire alarm control unit 2 does not also reset) corresponding warning message will be sent to fire display panel, realize query function.
The fire information converter structure, as shown in Figure 2:
The fire information converter is formed and to be comprised that micro controller module 11, message memory module 12, serial communication interface 13, power transfer module 14, exterior I/O interface 15, Fieldbus Control device 16 etc. partly form.
The each several part function:
Exterior I/O interface 15 is switching value input/output signal interfaces, comprises input channel and two-way open collector output channel that two-way band light lotus root isolates.
The each several part annexation:
Be connected by bidirectional bus 17 between micro controller module 11 and the message memory module 12, comprise data bus, address bus and control bus.
Be connected by bidirectional bus 18 between micro controller module 11 and the serial communication interface 13, comprise that two send signal wire TXD0, TXD1 and two received signal line RXD0, RXD1.
Be connected by power lead 19 between micro controller module 11 and the power transfer module 14, comprise direct current 5V power lead and direct current 3.3V power lead, and ground wire GND.
Be connected by interface line 20 between micro controller module 11 and the exterior I/O interface 15, comprise two-way input signal cable INT6, INT2 and two-way output signal line OB1, OB2.
Be connected by bidirectional bus 21 between micro controller module 11 and the Fieldbus Control device 16, comprise data bus, address bus and control bus.
Fire information display panel structure, as shown in Figure 3:
The fire information display panel is formed and to be comprised that micro controller module 31, Chinese word library module 32, field-bus interface 33, power transfer module 34, address key disk module 35, alarm indication module 36 etc. partly form.
The each several part function:
Chinese word library memory module 32 comprises the electric board of a high capacity (being not less than the 512K byte), is used to store Chinese GB character library, reads type matrix according to Hanzi section-position code from Chinese word library when fire information shows.
Field-bus interface 33 comprises a fieldbus signal transceiving driver, finishes the mutual conversion between Transistor-Transistor Logic level and the fieldbus level.
Address key disk module 35 is button input channels of display panel, comprise 3 button KEY0, KEY1, KEY2, represent UP, DOWN, CLR/RST push button signalling respectively, the address setting switch that also comprises display panel, form by some scale-of-two toggle switchs, be used to be provided with the display panel address code on the bus at the scene.
The each several part annexation:
Be connected by bidirectional bus 37 between micro controller module 31 and the Chinese word library module 32, comprise data bus, address bus and control bus.
Be connected by bidirectional bus 38 between micro controller module 31 and the field-bus interface 33, comprise that fieldbus sends signal wire CANTX and received signal line CANRX.
Be connected by power lead 39 between micro controller module 31 and the power transfer module 34, comprise direct current 5V power lead, and ground wire GND.
Be connected by interface line 40 between micro controller module 31 and the address key disk module 35, comprise UP, DOWN, CLR/RST push button signalling, and some scale-of-two toggle switch signals.
Be connected by bus 41 between micro controller module 11 and the alarm indication module 36, comprise data bus, address bus and control bus, and the alarm bell output signal.
Fire information converter electrical schematic diagram is referring to Fig. 4, Fig. 5
Fig. 4 represents the electrical schematic diagram of fire information converter primary module,
Fire information converter primary module comprises microcontroller U1, model AM188ES; Address decoding circuitry U7, model XC9536; Message storer U8, model K9F6408; Fieldbus Control device U2, model SJA1000 or the like.
Fig. 5 represents the electrical schematic diagram of fire information converter peripheral module,
Fire information converter peripheral module comprises serial communication interface circuit U3, model MAX232; 5V power supply changeover device V2, model LM2576; 3.3V power supply changeover device V1, model SPX1117M3; External switch amount input circuit U4, U5, model 521; External switch amount output circuit N2, N3, parts such as model 9013.
Fire information display panel electrical schematic diagram is referring to Fig. 6, Fig. 7
Fig. 6 represents the electrical schematic diagram of fire information display panel primary module
Fire information display panel primary module is formed and is comprised microcontroller U1, model T89C51CC01; Address decoding circuitry U2, model XC9536; Chinese word library storer U3, model AT29C040A; Data-carrier store U4, model 62256; Address setting toggle switch ID, model DIP-8 etc. partly form.
Fig. 7 represents the electrical schematic diagram of fire information display panel peripheral module
Fire information display panel peripheral module is formed and is comprised power-switching circuit V1, model LM2576; Keyboard input circuit S1, S2, S3, model SW-PB; Warning alarm bell output circuit N1, model 9012; Alarm indication output interface P2 connects LCD display, display model HD61202; Fieldbus driver U5, model 82C250.
In an embodiment, the fire information converter connects outside fire alarm control unit by the P1 interface of its peripheral module.
The fire information converter connects outside input power supply VIN and CAN Bus BUS by the field-bus interface P3 of its peripheral module.
The fire information display panel connects outside input power supply VIN and CAN Bus BUS by the field-bus interface P1 of its peripheral module.
By CAN Bus BUS, the fire information converter is connected with N fire information display panel and communicates by letter, and distinguishes mutually by different ID address codes is set between these fire display panels.
Its concrete course of work:
Communication protocol SCOM between fire alarm control unit 2 and the fire information converter 1-1
The SCOM agreement adopts null modem cable 3 to connect as hardware circuit, and its serial communication form is: baud rate 9600, even parity check, 7 of data bit, 1 of position of rest.
The SCOM protocol format is as shown in table 1 below.
Table 1:SCOM protocol format
| S T X | S A | U A | S I | TEXT NO. | Total MESSAGE (N) | 1# MESSAGE | … | N# MESSAGE | E T X |
The concrete implication of SCOM protocol format is shown in Table 2.
The concrete implication of table 2:SCOM protocol format
| English name | Chinese | Code or scope | Data length |
| STX | Packets of information begins | 02 (sexadecimal) | 1 |
| SA | Station address | 30 (sexadecimals) | 1 |
| UA | The element address | 40 (sexadecimals) | 1 |
| SI | Filter sign | OF (sexadecimal) | 1 |
| TEXT NO. | The packets of information sequence number | 000-999 | 3 |
| MESSAGE (N) | The information in package number | 01-20 | 2 |
| MESSAGE | The | 12 | |
| ETX | End of package | 03 (sexadecimal) | 1 |
MESSAGE form and meaning in the SCOM protocol format are as shown in table 3.
Table 3:MESSAGE form
| ID1 | ID2 | ADDRESS | TYPE | | RES | |
| Identifier | ||||||
| 1 | | Geocoding | Information type | | Keep | |
| 1 | 1 | 7 | 1 | 1 | 1 byte |
Communication protocol SCAN between fire information converter 1-1 and the fire information display panel 1-3
Adopt fieldbus 1-2 to be connected as hardware circuit between fire information converter 1-1 and the fire information display panel 1-3, the communication format of fieldbus 1-2 is selected the CAN bus for use, traffic rate 100K, and the SCAN protocol format is referring to table 4.
Table 4:SCAN protocol format
| LEN | TYPE | SRC ADDRESS | DES ADDRESS | RES | DATA | |
| Data length | Function type | Source address | Destination | Keep | Packet | |
| 1 | 1 | 1 | 1 | 1 | 8 bytes |
In the SCAN agreement, the meaning of function type TYPE code (sexadecimal) is:
01H represents " button " function;
11H represents " demonstration " function;
22H represents " opening/closing backlight " function;
33H represents " ON/OFF warning " function;
44H represents " cls " function.
The packet DATA form difference of every kind of TYPE function correspondence specifically is defined as:
＜1〉the packet DATA form of keypress function TYPE=01H correspondence:
Data DATA[0] corresponding button KEY0, i.e. " upward page or leaf " key UP.
Data DATA[1] corresponding button KEY1, i.e. " nextpage " key DOWN.
Data DATA[2] corresponding button KEY2, i.e. " noise reduction/reset " key CLEAR/RESET.
Each button has two states to represent there is not push button signalling with 00H respectively, represents that with FFH push button signalling is arranged.
＜2〉the packet DATA form of Presentation Function TYPE=11H correspondence:
Data DATA[0] represent the character display number.
Data DATA[1] represent displaing coordinate (row, column), wherein row is listed in low 4 high 4.
Data DATA[2], DATA[3], DATA[4], DATA[5] represent character display.
＜3〉the packet DATA form of opening/closing function TYPE=22H correspondence backlight:
Data DATA[0] represent backlight state, wherein with FFH representative " opening backlight ", with 00H representative " closing backlight ".
＜4〉the packet DATA form of ON/OFF warning function TYPE=33H correspondence:
Data DATA[0] represent alarm condition, wherein with FFH representative " opening warning ", with 00H representative " closing warning ".
＜5〉the packet DATA form of cls function TYPE=44H correspondence:
Data DATA[0] represent the cls instruction, wherein with FFH representative " cls ", with 00H representative " maintenance " screen.
Claims (3)
1, a kind of control system of fire display disc is characterized in that this system comprises:
---fire information converter [1-1]: be used for receiving the fire alarm signal send by null modem cable [3], send by the detected fire fighting equipment of fire alarm control unit [2], it is the fire message information, and convert the fire message information to fire display panel [1-3] discernible form, send to each fire information display panel [1-3] on the bus by fieldbus [1-2];
---fieldbus [1-2]: be used for the fire message information after fire information converter [1-1] conversion is sent to each fire information display panel [1-3] on the bus;
---N fire information display panel [1-3] in parallel: be responsible for receiving the information that fire information converter [1-1] sends, and on its screen, show according to different information, be that each display panel is by distinguishing this machine address and the message identification code that receives, determine whether to receive data for this machine, it is this machine address, receive message, and on corresponding fire information display panel [1-3], demonstrate fire alarm information; Wherein N is an integer, and N 〉=1;
---between this control system of fire display disc and the outside fire alarm control unit [2] by two-way connection of null modem cable [3].
2, control system of fire display disc according to claim 1 is characterized in that the fire information converter comprises:
---micro controller module [11]: comprise high performance microprocessor of 16 bit AM188ES and program storage FLASH, data-carrier store SDRAM, wherein microprocessor AM188ES contains inside two general serial communication controllers and bus address code translator;
---message memory module [12]: comprise an electric board, be used to store fire alarm information; Be connected by bidirectional bus [17] between the micro controller module [11], comprise data bus, address bus and control bus;
---serial communication interface [13]: comprise a two-way level translator, finish the mutual conversion between Transistor-Transistor Logic level and the RS232 level; Be connected by bidirectional bus [18] between the micro controller module [11], comprise that two send signal wire TXD0, TXD1 and two received signal line RXD0, RXD1;
---power transfer module [14]: the direct supply of outside input is converted to the D.C. regulated power supply that the fire information converter inside is used, comprises two-way power supply output 5V and 3.3V; Be connected by power lead [19] between the micro controller module [11], comprise direct current 5V power lead and direct current 3.3V power lead, and ground wire GND;
---exterior I/O interface [15]: switching value input/output signal interface comprises input channel and two-way open collector output channel that two-way band light lotus root isolates; Be connected by interface line [20] between the micro controller module [11], comprise two-way input signal cable INT6, INT2 and two-way output signal line OB1, OB2;
---Fieldbus Control device [16]: finish the communications between micro controller module [11] and the external fieldbus; Be connected by bidirectional bus [21] between the micro controller module [11], comprise data bus, address bus and control bus.
3, control system of fire display disc according to claim 1 is characterized in that the fire information display panel comprises:
---micro controller module [31]: comprise high performance 8-bit microprocessor AT89C51CC01 and, data-carrier store SDRAM, wherein microprocessor AT89C51CC01 contains inside CAN Bus BUS controller;
---Chinese word library module [32]: comprise an electric board, be used to store Chinese GB character library, from Chinese word library, read type matrix according to Hanzi section-position code when fire information shows; Be connected by bidirectional bus [37] between the micro controller module [31], comprise data bus, address bus and control bus;
---field-bus interface [33]: comprise a fieldbus signal transceiving driver, finish the mutual conversion between Transistor-Transistor Logic level and the fieldbus level; Be connected by bidirectional bus [38] between the micro controller module [31], comprise that fieldbus sends signal wire CANTX and received signal line CANRX;
---power transfer module [34]: the direct supply of outside input is converted to the D.C. regulated power supply 5V that the fire information converter inside is used; Be connected by power lead [39] between the micro controller module [31], comprise direct current 5V power lead, and ground wire GND;
---address key disk module [35]: the button input channel that is display panel, comprise 3 button KEY0, KEY1, KEY2, represent UP, DOWN, CLR/RST push button signalling respectively, the address setting switch that also comprises display panel, form by one group of scale-of-two toggle switch, be used to be provided with the display panel address code on the bus at the scene; Be connected by interface line [40] between the micro controller module [31], comprise UP, DOWN, CLR/RST push button signalling, and one group of scale-of-two toggle switch signal;
---alarm indication module [36]: finish the demonstration output of fire alarm information; Be connected by bus [41] between the micro controller module [31], comprise data bus, address bus and control bus, and the alarm bell output signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101360024A CN100363956C (en) | 2005-12-30 | 2005-12-30 | Control system of fire display disc |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101360024A CN100363956C (en) | 2005-12-30 | 2005-12-30 | Control system of fire display disc |
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| CN1794307A true CN1794307A (en) | 2006-06-28 |
| CN100363956C CN100363956C (en) | 2008-01-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999990A (en) * | 2012-10-09 | 2013-03-27 | 青岛鼎信通讯股份有限公司 | Fire display panel |
| CN107281686A (en) * | 2017-08-16 | 2017-10-24 | 山东通源电气有限公司 | Fire control system automated watch-keeping facility with GPRS data transporting function |
| CN107320893A (en) * | 2017-08-16 | 2017-11-07 | 山东通源电气有限公司 | The device of monitoring and writing function is changed with fire-fighting controlling switch |
| CN110428025A (en) * | 2019-07-12 | 2019-11-08 | 华中科技大学 | A kind of fire display panel and fire monitoring method based on dynamic two-dimension code |
| CN110599730A (en) * | 2019-09-30 | 2019-12-20 | 四川赛科安全技术有限公司 | Method for displaying position information of multiple Chinese characters on fire display panel by low bandwidth |
| CN114603547A (en) * | 2020-12-07 | 2022-06-10 | 山东新松工业软件研究院股份有限公司 | Communication method of cleaning robot controller and teaching box |
Families Citing this family (1)
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| CN103236150A (en) * | 2013-05-13 | 2013-08-07 | 哈尔滨工业大学 | Distributed wireless humiture measuring apparatus and method adopting measuring apparatus to measure humiture |
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| JPH01100695A (en) * | 1987-10-14 | 1989-04-18 | Nittan Co Ltd | Receiver for fire alarm |
| DE69424484T2 (en) * | 1993-03-08 | 2001-01-18 | Nohmi Bosai Ltd | FIRE ALARM RECEIVER AND FIRE ALARM SYSTEM. |
| EP0940787B1 (en) * | 1993-03-25 | 2001-10-24 | Nohmi Bosai Ltd. | Fire receiver |
| JP3273854B2 (en) * | 1994-03-30 | 2002-04-15 | 能美防災株式会社 | Fire alarm equipment |
| CN2382076Y (en) * | 1998-11-27 | 2000-06-07 | 营口报警设备总厂 | Fire alarm linking controller |
| CN2420694Y (en) * | 2000-05-01 | 2001-02-21 | 蚌埠依爱消防电子有限责任公司 | Linkage controller for fire alarm controller |
| JP2002175573A (en) * | 2000-12-05 | 2002-06-21 | Nohmi Bosai Ltd | Fire display device |
| JP4098202B2 (en) * | 2003-09-22 | 2008-06-11 | 能美防災株式会社 | Fire alarm system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999990A (en) * | 2012-10-09 | 2013-03-27 | 青岛鼎信通讯股份有限公司 | Fire display panel |
| CN107281686A (en) * | 2017-08-16 | 2017-10-24 | 山东通源电气有限公司 | Fire control system automated watch-keeping facility with GPRS data transporting function |
| CN107320893A (en) * | 2017-08-16 | 2017-11-07 | 山东通源电气有限公司 | The device of monitoring and writing function is changed with fire-fighting controlling switch |
| CN107281686B (en) * | 2017-08-16 | 2022-04-26 | 山东通源电气有限公司 | Automatic monitoring device of fire control system with GPRS data remote transmission function |
| CN107320893B (en) * | 2017-08-16 | 2022-04-29 | 山东通源电气有限公司 | Device with fire control switch conversion monitoring and recording functions |
| CN110428025A (en) * | 2019-07-12 | 2019-11-08 | 华中科技大学 | A kind of fire display panel and fire monitoring method based on dynamic two-dimension code |
| CN110428025B (en) * | 2019-07-12 | 2020-11-24 | 华中科技大学 | Dynamic two-dimensional code-based fire display panel and fire monitoring method |
| CN110599730A (en) * | 2019-09-30 | 2019-12-20 | 四川赛科安全技术有限公司 | Method for displaying position information of multiple Chinese characters on fire display panel by low bandwidth |
| CN114603547A (en) * | 2020-12-07 | 2022-06-10 | 山东新松工业软件研究院股份有限公司 | Communication method of cleaning robot controller and teaching box |
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|---|---|
| CN100363956C (en) | 2008-01-23 |
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