CN203386320U - Fire hazard automatic alarm and fire-fighting linkage control system - Google Patents
Fire hazard automatic alarm and fire-fighting linkage control system Download PDFInfo
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- CN203386320U CN203386320U CN201320516927.1U CN201320516927U CN203386320U CN 203386320 U CN203386320 U CN 203386320U CN 201320516927 U CN201320516927 U CN 201320516927U CN 203386320 U CN203386320 U CN 203386320U
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Abstract
The utility model discloses a fire hazard automatic alarm and fire-fighting linkage control system, comprising a fire hazard automatic alarm system and a fire-fighting linkage control system. The fire hazard automatic alarm system comprises a fire hazard alarm controller, a first fire-fighting power supply, multiple fire hazard detectors, and multiple hand-operated fire hazard alarm buttons. The fire-fighting linkage control system comprises a fire-fighting linkage control host, a second fire-fighting power supply, a fire-fighting linkage control module, and fire-fighting equipment. The fire-fighting linkage control host comprises a master controller module, a loop controller module, a communication controller module, a hand-operated controller module, a man-machine interaction device, a data storage module, a clock module, a low-voltage detection and reset module, an external communication interface module, a hand-operated control state indicating lamp, multiple operation buttons, and an Ethernet communication interface module. The system of the utility model is reasonable in design, small in size, low in cost, high in work stability and reliability, good in expandability, convenient to realize, and easy and simple to maintain, and is widely applicable.
Description
Technical field
The utility model relates to the intelligent security guard technical field, especially relates to a kind of automatic fire alarm and fire-fighting linkage control system.
Background technology
Along with the development of all kinds of buildings, construction scope is increasing, and level is more and more higher, and the standard of building is also more and more higher.Newly-built all kinds of buildings all possess that personnel are intensive, equipment is advanced, function is many, decorate the characteristics such as luxurious, and therefore, automatic fire alarm and fire-fighting linkage system have become the indispensable important component part of skyscraper.
Fire prevention is an important content of safety precaution.The initial stage small scale that fire occurs and be easy to put out, if but can not find in time and put out, can make fire spreading, lead to disaster.Therefore how to find out fire and occur, and take the series of measures such as evacuation personnel, self-extinguishing after fire occurs, fire can be put out as early as possible, loss and injury drop to minimum level, are the long-term targets of pursuing of the mankind.The facility of with detector, monitoring the condition of a fire and being reported to the police when fire occurs, as far back as 19 end of the centurys, just invented, but the fire alarm facility on Modern Significance is the product of electronic technology and Microcomputer Technology combination.In China, approximately since the seventies, the fire panalarm just uses in building, and after the eighties, along with the rise of China's skyscraper, the fire alarm technology has obtained larger development.Present fire alarm mainly contains two schemes, and a kind of is to carry out detection by fire detector, and another kind is that personnel touch Fire Alarm Button, sends fire signal, starts fire alarm.
Automatic fire alarm is very important intelligent measure, but after fire being detected, if can not be put out a fire in time, dredge in time personnel, which type of serious consequence the elevator that force-lands there will be in time.Development along with electronic communication, the fire-fighting linkage system technical development is very fast, this linked system nearly all is equipped with in each the inside, building now, and after fire being detected, the devices such as automatic sprinkler fire-extinguishing system, fire alarm bell warning system all can have serial emergency measure.But existing these linkages exist many problems, for example linked system controller cost is high, volume is large, response not in time, function is comprehensive not, the key equipments such as the hydrant in building, elevator are not linked, existed very large safety problem.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of automatic fire alarm and fire-fighting linkage control system are provided, it is simple in structure, reasonable in design, and integrated level is high, volume is little, realization is convenient and cost is low, easy to maintenance, simple, and job stability and reliability are high, Scalable Performance is good, has applicability widely.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of automatic fire alarm and fire-fighting linkage control system, it is characterized in that: comprise automatic fire alarm system and fire-fighting linkage control system, described automatic fire alarm system comprises fire alarm control unit and is the first fire-fighting power supply of fire alarm control unit power supply, and joins with described fire alarm control unit and be laid in a plurality of fire detectors and a plurality of manual fire alarm call point of a plurality of fire districts; Described fire-fighting linkage control system comprises the fire protection linkage control main frame that joins with fire alarm control unit and is the second fire-fighting power supply of fire protection linkage control main frame power supply, and the fire protection linkage control module of joining with described fire protection linkage control main frame and the fire fighting equipment joined with described fire protection linkage control module; Described fire protection linkage control main frame comprises that main controller module and the loop control unit module of joining with described main controller module, communication controler module, manual controller module, human-computer interaction device, data memory module, clock module and low-voltage detect reseting module, on described communication controler module, be connected to the ethernet interface module with for being connected the external communication interface module of fire protection linkage control module, be connected to manual state of a control pilot lamp and a plurality of operation push-button on described manual controller module.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: a plurality of described fire detectors and a plurality of described manual fire alarm call point all join by RS-485 bus or CAN bus and described fire alarm control unit.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described fire detector comprises one or more in smoke detector, heat detector, flame detector and combustible gas probe.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described main controller module is 32 ARM microprocessors.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described 32 ARM microprocessors are chip S3C6410.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described loop control unit module, communication controler module and manual controller module are single-chip microcomputer.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described fire fighting equipment comprises automatic spraying equipment, smoke exhaust and air supply equipment, indoor fire hydrant equipment, non-fire-fighting power supply, voice broadcast service equipment and elevator device.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described fire protection linkage control module is the LH448B input/output module.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described human-computer interaction device comprises touch LCD screen, printer and speech recording and reproducing equipment.
Above-mentioned automatic fire alarm and fire-fighting linkage control system is characterized in that: described external communication interface module is RS-485 bus communication module.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design, and integrated level is high, and volume is little, and realization is convenient and cost is low.
2, the utility model fire alarm control unit carries out networking with form and fire detector, the manual fire alarm call point of bus, once having detected fire, fire detector occurs, or there is the people to supress manual fire alarm call point, fire alarm control unit just can realize intelligent alarm and send fire signal to fire-fighting linkage control system, and fire-fighting linkage control system can be controlled in time fire fighting equipment and be put out a fire; Response is timely, the loss that can effectively avoid fire to bring.
3, complete function of the present utility model, and there are two kinds of mode of operations of automatic detection and manual operation, when fire occurs, whole system is almost considered all safety problems, system interlink is very comprehensive, comprises that extinction by automatic sprinkling, smoke exhaust and air supply, elevator force-land, voice broadcast service is dredged personnel etc.
4, the fire-fighting linkage control system in the utility model can be realized by increasing fire protection linkage control module and fire protection linkage control main frame based on fire fighting equipment of the prior art, and it is convenient to implement, and easy to maintenance, simple.
5, Scalable Performance of the present utility model is good, owing to being provided with the ethernet interface module, therefore can realize by Ethernet the networking of a plurality of these automatic fire alarms and fire-fighting linkage control system, can realize interlink warning and the fire hazard monitoring in large zone.
6, a plurality of fire detectors of the utility model and a plurality of manual fire alarm call point all join by RS-485 bus or CAN bus and fire alarm control unit, the fire protection linkage control module is joined by RS-485 bus communication module and fire protection linkage control main frame, for external network, adopt Ethernet to carry out networking, networking is convenient, communicate by letter reliable and stable, improved stability and the reliability of the utility model work.
7, the utlity model has applicability widely, be applicable to all office automation high buildings, comprise the building automatic in colliery, the robotization of chemical enterprise office block, the robotization of Tall Office Building.
In sum, the utility model is simple in structure, reasonable in design, and integrated level is high, and volume is little, and realization is convenient and cost is low, easy to maintenance, simple, and job stability and reliability are high, and Scalable Performance is good, has applicability widely.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
The schematic block circuit diagram that Fig. 2 is the utility model fire protection linkage control main frame.
Description of reference numerals:
1-automatic fire alarm system; 2-fire-fighting linkage control system; 3-fire alarm control unit;
The 4-the first fire-fighting power supply; 5-fire detector; 6-manual fire alarm call point;
7-fire protection linkage control main frame; 7-1-main controller module; 7-2-loop control unit module;
7-3-communication controler module; 7-4-manual controller module; 7-5-human-computer interaction device;
7-51-touch LCD screen; 7-52-printer;
7-53-speech recording and reproducing equipment; 7-6-data memory module; 7-7-clock module;
7-8-low-voltage detects reseting module; 7-9-external communication interface module;
7-10-operation push-button; 7-11-manual state of a control pilot lamp;
7-12-ethernet interface module; The 8-the second fire-fighting power supply;
9-fire protection linkage control module; 10-fire fighting equipment; 10-1-automatic spraying equipment;
10-2-smoke exhaust and air supply equipment; 10-3-indoor fire hydrant equipment;
10-4-non-fire-fighting power supply; 10-5-voice broadcast service equipment; 10-6-elevator device.
Embodiment
As depicted in figs. 1 and 2, the utility model comprises automatic fire alarm system 1 and fire-fighting linkage control system 2, described automatic fire alarm system 1 comprises fire alarm control unit 3 and is the first fire-fighting power supply 4 of fire alarm control unit 3 power supply, and joins with described fire alarm control unit 3 and be laid in a plurality of fire detectors 5 and a plurality of manual fire alarm call point 6 of a plurality of fire districts, described fire-fighting linkage control system 2 comprises the fire protection linkage control main frame 7 that joins with fire alarm control unit 3 and is the second fire-fighting power supply 8 of fire protection linkage control main frame 7 power supplies, and the fire protection linkage control module 9 of joining with described fire protection linkage control main frame 7 and the fire fighting equipment 10 joined with described fire protection linkage control module 9, described fire protection linkage control main frame 7 comprises main controller module 7-1 and the loop control unit module 7-2 joined with described main controller module 7-1, communication controler module 7-3, manual controller module 7-4, human-computer interaction device 7-5, data memory module 7-6, clock module 7-7 and low-voltage detect reseting module 7-8, on described communication controler module 7-3, be connected to ethernet interface module 7-12 with for being connected the external communication interface module 7-9 of fire protection linkage control module 9, be connected to manual state of a control pilot lamp 7-11 and a plurality of operation push-button 7-10 on described manual controller module 7-4.
In the present embodiment, a plurality of described fire detectors 5 and a plurality of described manual fire alarm call point 6 all join by RS-485 bus or CAN bus and described fire alarm control unit 3.Described fire detector 5 comprises one or more in smoke detector, heat detector, flame detector and combustible gas probe; Can survey effectively, in time dissimilar fire condition, and the very first time reports to fire alarm control unit 3.Described main controller module 7-1 is 32 ARM microprocessors.Particularly, described 32 ARM microprocessors are chip S3C6410.Described loop control unit module 7-2, communication controler module 7-3 and manual controller module 7-4 are single-chip microcomputer.
In the present embodiment, described fire fighting equipment 10 comprises automatic spraying equipment 10-1, smoke exhaust and air supply equipment 10-2, indoor fire hydrant equipment 10-3, non-fire-fighting power supply 10-4, voice broadcast service equipment 10-5 and elevator device 10-6; Fire fighting equipment 10 can be changed as the case may be.Described fire protection linkage control module 9 is the LH448B input/output module.Described human-computer interaction device 7-5 comprises touch LCD screen 7-51, printer 7-52 and speech recording and reproducing equipment 7-53.Described external communication interface module 7-9 is RS-485 bus communication module.
During concrete enforcement, manual fire alarm call point 6 each fire district in building at least arranges one, and the distance of adjacent two manual fire alarm call points 6 is not more than 30m; Like this, when the condition of a fire occurs, the staff in building, confirming can to take nearby principle to press manual fire alarm call point 6 after fire, can send the alarm of fire signal of accurate location.Low-voltage detects reseting module and adopts low-voltage detection reset chip to realize.
The utility model is used time-division two kinds of mode of operations: (1) automatic operation mode: the signal by 3 pairs of a plurality of fire detector 5 outputs of fire alarm control unit carries out Real-time Collection, once collect fire signal, just send alerting signal and send fire signal to fire protection linkage control main frame 7, main controller module 7-1 in fire protection linkage control main frame 7 is transferred to fire protection linkage control module 9 by communication controler module 7-3 and external communication interface module 7-9 after receiving fire signal successively, fire protection linkage control module 9 is controlled fire fighting equipment 10 actions of joining with it, put out a fire.(2) manual work pattern: when fire on-the-spot personnel occur is found fire, can also start fire fighting equipment 10 by operation manual fire alarm call point 6 is put out a fire, detailed process is: the signal by 3 pairs of a plurality of manual fire alarm call point 6 outputs of fire alarm control unit carries out Real-time Collection, inputted fire signal once there be the people to operate manual fire alarm call point 6, just send alerting signal and send fire signal to fire protection linkage control main frame 7, main controller module 7-1 in fire protection linkage control main frame 7 is transferred to fire protection linkage control module 9 by communication controler module 7-3 and external communication interface module 7-9 after receiving fire signal successively, fire protection linkage control module 9 is controlled fire fighting equipment 10 actions of joining with it, put out a fire, simultaneously, also can start fire fighting equipment 10 by operating operation button 7-10 input fire signal is put out a fire, detailed process is: once there be the people to operate operation push-button 7-10, inputted fire signal, manual controller module 7-4 just is transferred to fire protection linkage control module 9 by main controller module 7-1, communication controler module 7-3 and external communication interface module 7-9 successively by fire signal, fire protection linkage control module 9 is controlled fire fighting equipment 10 actions of joining with it, is put out a fire.In addition, owing to being provided with human-computer interaction device 7-5 on main controller module 7-1, therefore, can also be by operation touch LCD screen 7-51 input fire extinguishing control signal, or by speech recording and reproducing equipment 7-53 input voice fire extinguishing signal, can show fire information on touch LCD screen 7-51, speech recording and reproducing equipment 7-53 can play fire information, can also print the fire information file by printer 7-52.By ethernet interface module 7-12, can also realize communicating by letter of this automatic fire alarm and fire-fighting linkage control system and long-range fire monitoring system, fire information is sent on public telephone network or WWW by ethernet interface module 7-12, check on long-range fire monitoring system for the staff.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (10)
1. an automatic fire alarm and fire-fighting linkage control system, it is characterized in that: comprise automatic fire alarm system (1) and fire-fighting linkage control system (2), described automatic fire alarm system (1) comprises fire alarm control unit (3) and is first fire-fighting power supply (4) of fire alarm control unit (3) power supply, and joins with described fire alarm control unit (3) and be laid in a plurality of fire detectors (5) and a plurality of manual fire alarm call point (6) of a plurality of fire districts, described fire-fighting linkage control system (2) comprises the fire protection linkage control main frame (7) that joins with fire alarm control unit (3) and is second fire-fighting power supply (8) of fire protection linkage control main frame (7) power supply, and the fire protection linkage control module (9) of joining with described fire protection linkage control main frame (7) and the fire fighting equipment (10) joined with described fire protection linkage control module (9), described fire protection linkage control main frame (7) comprises main controller module (7-1) and the loop control unit module (7-2) of joining with described main controller module (7-1), communication controler module (7-3), manual controller module (7-4), human-computer interaction device (7-5), data memory module (7-6), clock module (7-7) and low-voltage detect reseting module (7-8), be connected to ethernet interface module (7-12) and external communication interface module (7-9) for being connected fire protection linkage control module (9) on described communication controler module (7-3), be connected to manual state of a control pilot lamp (7-11) and a plurality of operation push-button (7-10) on described manual controller module (7-4).
2. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: a plurality of described fire detectors (5) and a plurality of described manual fire alarm call point (6) all join by RS-485 bus or CAN bus and described fire alarm control unit (3).
3. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: described fire detector (5) comprises one or more in smoke detector, heat detector, flame detector and combustible gas probe.
4. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: described main controller module (7-1) is 32 ARM microprocessors.
5. according to automatic fire alarm claimed in claim 4 and fire-fighting linkage control system, it is characterized in that: described 32 ARM microprocessors are chip S3C6410.
6. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: described loop control unit module (7-2), communication controler module (7-3) and manual controller module (7-4) are single-chip microcomputer.
7. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: described fire fighting equipment (10) comprises automatic spraying equipment (10-1), smoke exhaust and air supply equipment (10-2), indoor fire hydrant equipment (10-3), non-fire-fighting power supply (10-4), voice broadcast service equipment (10-5) and elevator device (10-6).
8. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: described fire protection linkage control module (9) is the LH448B input/output module.
9. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: described human-computer interaction device (7-5) comprises touch LCD screen (7-51), printer (7-52) and speech recording and reproducing equipment (7-53).
10. according to automatic fire alarm claimed in claim 1 and fire-fighting linkage control system, it is characterized in that: described external communication interface module (7-9) is RS-485 bus communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516927.1U CN203386320U (en) | 2013-08-22 | 2013-08-22 | Fire hazard automatic alarm and fire-fighting linkage control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516927.1U CN203386320U (en) | 2013-08-22 | 2013-08-22 | Fire hazard automatic alarm and fire-fighting linkage control system |
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| CN203386320U true CN203386320U (en) | 2014-01-08 |
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| CN201320516927.1U Expired - Lifetime CN203386320U (en) | 2013-08-22 | 2013-08-22 | Fire hazard automatic alarm and fire-fighting linkage control system |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104881943A (en) * | 2015-05-27 | 2015-09-02 | 中广核工程有限公司 | Nuclear power station visualization image fire-fighting alarm system and method |
| CN105126287A (en) * | 2015-08-18 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Fire-extinguishing and smoke-discharging fire fighting device |
| CN105243777A (en) * | 2015-11-11 | 2016-01-13 | 江苏银佳企业集团有限公司 | Networked intelligent building fire alarm device |
| CN106408886A (en) * | 2016-12-16 | 2017-02-15 | 上海腾盛智能安全科技股份有限公司 | Combustible gas detection system |
| CN106843094A (en) * | 2017-04-17 | 2017-06-13 | 江苏荣夏安全科技有限公司 | A kind of fire escape overbottom pressure monitoring system |
| CN106952441A (en) * | 2017-04-24 | 2017-07-14 | 深圳市瑞荣创电子科技有限公司 | Intelligent building firefighting monitoring system and monitoring method |
| CN108880967A (en) * | 2018-08-27 | 2018-11-23 | 河北隽唐科技有限公司 | Fire Control system |
| CN109118704A (en) * | 2018-08-30 | 2019-01-01 | 九江中船消防设备有限公司 | A kind of ship networking fire-proof and theft-proof intelligent fire fighting alarm system |
| TWI669686B (en) * | 2018-05-16 | 2019-08-21 | 英業達股份有限公司 | Fire equipment intelligent actuate system and method thereof |
| CN111127809A (en) * | 2019-12-11 | 2020-05-08 | 宁夏泰富能源有限公司 | Fire alarm detection system in safety pre-evaluation |
| CN111683123A (en) * | 2020-05-23 | 2020-09-18 | 浙江台谊消防设备有限公司 | Uploading and downloading system and uploading and downloading operation method thereof |
| CN112870616A (en) * | 2021-01-25 | 2021-06-01 | 南京南瑞继保电气有限公司 | CAFS coordinated control system |
| CN113656335A (en) * | 2021-08-17 | 2021-11-16 | 北京城建设计发展集团股份有限公司 | Access strategy system for data fusion of fire fighting |
| CN114554580A (en) * | 2022-02-21 | 2022-05-27 | 营口天成消防设备有限公司 | Quick starting method of wireless fire-fighting linkage equipment |
-
2013
- 2013-08-22 CN CN201320516927.1U patent/CN203386320U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104881943A (en) * | 2015-05-27 | 2015-09-02 | 中广核工程有限公司 | Nuclear power station visualization image fire-fighting alarm system and method |
| CN104881943B (en) * | 2015-05-27 | 2019-03-29 | 中广核工程有限公司 | A kind of nuclear power station visual image fire protection alarm system and method |
| CN105126287A (en) * | 2015-08-18 | 2015-12-09 | 无锡乐华自动化科技有限公司 | Fire-extinguishing and smoke-discharging fire fighting device |
| CN105243777A (en) * | 2015-11-11 | 2016-01-13 | 江苏银佳企业集团有限公司 | Networked intelligent building fire alarm device |
| CN106408886A (en) * | 2016-12-16 | 2017-02-15 | 上海腾盛智能安全科技股份有限公司 | Combustible gas detection system |
| CN106843094A (en) * | 2017-04-17 | 2017-06-13 | 江苏荣夏安全科技有限公司 | A kind of fire escape overbottom pressure monitoring system |
| CN106843094B (en) * | 2017-04-17 | 2018-04-13 | 江苏荣夏安全科技有限公司 | A kind of fire escape overbottom pressure monitoring system |
| CN106952441A (en) * | 2017-04-24 | 2017-07-14 | 深圳市瑞荣创电子科技有限公司 | Intelligent building firefighting monitoring system and monitoring method |
| TWI669686B (en) * | 2018-05-16 | 2019-08-21 | 英業達股份有限公司 | Fire equipment intelligent actuate system and method thereof |
| CN108880967A (en) * | 2018-08-27 | 2018-11-23 | 河北隽唐科技有限公司 | Fire Control system |
| CN109118704A (en) * | 2018-08-30 | 2019-01-01 | 九江中船消防设备有限公司 | A kind of ship networking fire-proof and theft-proof intelligent fire fighting alarm system |
| CN111127809A (en) * | 2019-12-11 | 2020-05-08 | 宁夏泰富能源有限公司 | Fire alarm detection system in safety pre-evaluation |
| CN111683123A (en) * | 2020-05-23 | 2020-09-18 | 浙江台谊消防设备有限公司 | Uploading and downloading system and uploading and downloading operation method thereof |
| CN112870616A (en) * | 2021-01-25 | 2021-06-01 | 南京南瑞继保电气有限公司 | CAFS coordinated control system |
| CN113656335A (en) * | 2021-08-17 | 2021-11-16 | 北京城建设计发展集团股份有限公司 | Access strategy system for data fusion of fire fighting |
| CN114554580A (en) * | 2022-02-21 | 2022-05-27 | 营口天成消防设备有限公司 | Quick starting method of wireless fire-fighting linkage equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 710119 Building 9, No.1 Park, enterprise, No.2 West Avenue, high tech Zone, Xi'an City, Shaanxi Province Patentee after: BEIDOU TIANDI Co.,Ltd. Address before: 710119 No.9, enterprise No.1 Park, No.2 West Avenue, high tech Zone, Xi'an City, Shaanxi Province Patentee before: XI'AN YANCON SCIENTIFIC RESEARCH DESIGN Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |