CN106843094B - A kind of fire escape overbottom pressure monitoring system - Google Patents

A kind of fire escape overbottom pressure monitoring system Download PDF

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Publication number
CN106843094B
CN106843094B CN201710249987.4A CN201710249987A CN106843094B CN 106843094 B CN106843094 B CN 106843094B CN 201710249987 A CN201710249987 A CN 201710249987A CN 106843094 B CN106843094 B CN 106843094B
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China
Prior art keywords
overbottom pressure
overbottom
pressure controller
fire escape
microcontroller
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CN201710249987.4A
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Chinese (zh)
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CN106843094A (en
Inventor
夏慧钧
庄捷
吕俊
王志洪
夏佳丽
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Jiangsu Rongxia Safety Technology Co Ltd
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Jiangsu Rongxia Safety Technology Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428Safety, monitoring
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24029Alarm if wrong device, apparatus is connected to control module

Abstract

The invention discloses a kind of fire escape overbottom pressure monitoring system, it is characterised in that:Including the overbottom pressure sensor, the overbottom pressure controller being connected with the overbottom pressure sensor, the overbottom pressure monitor being connected with the overbottom pressure controller for being used to gather each areal pressure difference in fire escape;The overbottom pressure controller includes microcontroller and the PID proportional integration output modules being connected with the microcontroller, and the PID proportional integrations output module is connected with pressure release valve actuator, and the pressure release valve actuator is connected with relief valve.Real-time automatic detecting when working status progress 24 that can be to overbottom pressure on fire escape is small, alarm is provided to the overbottom pressure in abnormal condition, when fire behavior occurs, which also can carry out remote control at the control center that disappears with the air output of auto-control the mechanic pressure blow system to it.

Description

A kind of fire escape overbottom pressure monitoring system
Background technology
The present invention relates to a kind of fire escape overbottom pressure monitoring system, belongs to fire escape overbottom pressure monitoring technology field.
Background technology
In order to control the overbottom pressure of fire escape in rational scope, National Standard of the People's Republic of China GB50045-95 《Code for fire protection design of high rise buildings》Fire escape overbottom pressure is specified below:The overbottom pressure of mechanism contact type sensor machine, except meter Calculate outside least favorable endless tube road loss in head, should still there is overbottom pressure.Its overbottom pressure value should meet claimed below:Smoke proof staircase for 40Pa extremely 50Pa, cup, closing refuge story between cup, common antechamber, Fire lift(Between)For 25Pa to 30Pa.After standard implementation always not The overbottom pressure control program having had, thus provides fire escape overbottom pressure monitoring system and solves the above problems.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of fire escape overbottom pressure monitoring system, can be to fire escape Real-time automatic detecting when the working status progress 24 of upper overbottom pressure is small, alarm is provided to the overbottom pressure in abnormal condition, During generation fire behavior, which can also carry out it at the control center that disappears with the air output of auto-control the mechanic pressure blow system Remote control.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of fire escape overbottom pressure monitoring system, including be used to gather more than each areal pressure difference in fire escape Pressure sensor, the overbottom pressure controller being connected with the overbottom pressure sensor, the overbottom pressure monitoring being connected with the overbottom pressure controller Device;The overbottom pressure controller includes microcontroller and the PID proportional integration output modules being connected with the microcontroller, the PID ratios Example integration output module is connected with pressure release valve actuator, and the pressure release valve actuator is connected with relief valve.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure sensor includes microcontroller, institute State and overbottom pressure detection sensor, alarm output unit, liquid crystal display, infrared coding generation are connected with microcontroller and receives mould Block, power supply/communication indicator light, alarm lamp is also associated with the alarm output unit, and the overbottom pressure detection sensor is real When monitoring field fire escape road overbottom pressure, and scene display sends alarm, and be uploaded in time when overbottom pressure value exceedes setting value The overbottom pressure controller.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure controller further includes and monolithic Liquid crystal display that machine is connected, operation panel, fire-fighting link unit.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure monitor includes microcontroller, institute State and liquid crystal display, touch-screen, stand-by power supply administrative unit, printer, buzzer, LED Unit are connected with microcontroller.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure sensor and the overbottom pressure control Device processed carries out man-machine interactive with the overbottom pressure monitor using bus connection, the overbottom pressure controller using the bridge bus that communicates Operation, the communication bridge include CAN bus communication module and two line communication module.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure controller can show pressure release The open degree of valve.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure controller has hand-operated forced Open the function of relief valve.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure sensor and the overbottom pressure control Connected between device processed using Power Carrier mode.
A kind of foregoing fire escape overbottom pressure monitoring system, it is characterised in that:The overbottom pressure monitor is arranged on fire-fighting control Room processed, by overbottom pressure controller network consisting, the signal uploaded by the overbottom pressure controller is monitored the overbottom pressure at scene and shows Show, the open degree of manually adjustable relief valve.
The beneficial effects of the invention are as follows:Real-time automatic detecting when working status progress 24 to overbottom pressure on fire escape is small, Alarm is provided to the overbottom pressure in abnormal condition, when fire behavior occurs, which can be sent with auto-control mechanical pressurization The air output of wind system, also can carry out remote control, it is ensured that the overbottom pressure of fire escape is when fire occurs at the control center that disappears to it Can effective slave mode, the diffusion of flue gas can be prevented but make survivor more easily open fire resistant doorsets escape, protection Safety evacuation;And communicated using two lines bus and CAN bus, connect up that difficulty is small and communication stability is good.
Brief description of the drawings
Fig. 1 is a kind of system architecture diagram of fire escape overbottom pressure monitoring system of the present invention;
Fig. 2 is the structure diagram of overbottom pressure sensor of the present invention;
Fig. 3 is the structure diagram of overbottom pressure controller of the present invention;
Fig. 4 is the structure diagram of overbottom pressure monitor of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
A kind of as shown in Figure 1, fire escape overbottom pressure monitoring system, it is characterised in that:Including being used in fire escape In the overbottom pressure sensor, the overbottom pressure controller being connected with the overbottom pressure sensor and the overbottom pressure that gather each areal pressure difference The overbottom pressure monitor that controller is connected;The overbottom pressure controller includes microcontroller and the PID ratios being connected with the microcontroller Output module is integrated, the PID proportional integrations output module is connected with pressure release valve actuator, and the pressure release valve actuator is with letting out Pressure valve is connected, and the overbottom pressure sensor includes microcontroller, and overbottom pressure detection sensor, warning output are connected with the microcontroller Unit, liquid crystal display, infrared coding occurs and receiving module, power supply/communication indicator light, in the alarm output unit also Alarm lamp, the real-time monitoring field fire escape road overbottom pressure of overbottom pressure detection sensor, and scene display are connected with, when remaining Pressure value sends alarm in time when exceeding setting value, and is uploaded to the overbottom pressure controller, and the overbottom pressure controller further includes and list Liquid crystal display that piece machine is connected, operation panel, fire-fighting link unit, the overbottom pressure monitor includes microcontroller, described Liquid crystal display, touch-screen, stand-by power supply administrative unit, printer, buzzer, LED Unit are connected with microcontroller.
Overbottom pressure sensor is converted into corresponding sampled data for gathering each areal pressure difference on fire escape, is adopted described in processing The data of collection are carried out after analysis calculating in liquid crystal display screen display and uploaded by communication module by the microcontroller of sample data Give overbottom pressure controller.Overbottom pressure controller is used for the data for handling the upload of overbottom pressure sensor, and PID ratios are sent after receiving warning message Integrated signal step-less adjustment relief valve open degree, wherein overbottom pressure sensor use infrared coding.
In the present embodiment, the overbottom pressure sensor uses Power Carrier with the overbottom pressure controller(POWERBUS)Mode connects Connect, two lines bus communicated, connects up that difficulty is small and communication stability is good;The overbottom pressure controller is used with the overbottom pressure monitor The bridge bus that communicates carries out man-machine interactive operation, and the communication bridge includes CAN bus communication module and POWERBUS bis- is total Line communication module, wiring difficulty is small and communication stability is good, and the quantity of the CAN bus branch is 1, the POWERBUS bis- The quantity of bus branch is 1.
The overbottom pressure controller can show the open degree of relief valve, and have the function of hand-operated forced unlatching relief valve.
The overbottom pressure monitor is arranged on fire protection control room, and overbottom pressure controller network consisting is controlled by the overbottom pressure The signal that device uploads is monitored the overbottom pressure at scene and display, the open degree of manually adjustable relief valve.
In conclusion a kind of fire escape overbottom pressure monitoring system provided by the invention, can be to overbottom pressure on fire escape Real-time automatic detecting when working status progress 24 is small, alarm is provided to the overbottom pressure in abnormal condition, and fire behavior is occurring When, which also can carry out remote control at the control center that disappears with the air output of auto-control the mechanic pressure blow system to it.
Basic principle, the main features and advantages of the present invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the original of the present invention Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent Boundary.

Claims (2)

  1. A kind of 1. fire escape overbottom pressure monitoring system, it is characterised in that:Including being used to gather each region in fire escape The overbottom pressure sensor of pressure differential, the overbottom pressure controller being connected with the overbottom pressure sensor, be connected with the overbottom pressure controller Overbottom pressure monitor;The overbottom pressure controller includes microcontroller and the PID proportional integration output modules being connected with the microcontroller, The PID proportional integrations output module is connected with pressure release valve actuator, and the pressure release valve actuator is connected with relief valve;
    The overbottom pressure controller further includes the liquid crystal display being connected with microcontroller, operation panel, fire-fighting link unit;
    The overbottom pressure controller can show the open degree of relief valve;
    The overbottom pressure controller has the function of hand-operated forced unlatching relief valve;
    The overbottom pressure monitor is arranged on fire protection control room, by overbottom pressure controller network consisting, by the overbottom pressure controller The signal of biography is monitored the overbottom pressure at scene and display, the open degree of manually adjustable relief valve;
    The overbottom pressure sensor includes microcontroller, and overbottom pressure detection sensor, alarm output unit, liquid are connected with the microcontroller Brilliant display unit, infrared coding occurs and receiving module, power supply/communication indicator light, is also associated with the alarm output unit Alarm lamp, the real-time monitoring field fire escape road overbottom pressure of overbottom pressure detection sensor, and scene display, when overbottom pressure value surpasses Alarm is sent when crossing setting value in time, and is uploaded to the overbottom pressure controller;
    The overbottom pressure monitor includes microcontroller, and liquid crystal display, touch-screen, standby electricity source capsule are connected with the microcontroller Manage unit, printer, buzzer, LED Unit;
    The overbottom pressure sensor is connected with the overbottom pressure controller using bus, the overbottom pressure controller and the overbottom pressure monitor Man-machine interactive operation is carried out using communication bridge bus, the communication bridge includes CAN bus communication module and two lines bus leads to Believe module.
  2. A kind of 2. fire escape overbottom pressure monitoring system according to claim 1, it is characterised in that:The overbottom pressure sensor with Connected between the overbottom pressure controller using Power Carrier mode.
CN201710249987.4A 2017-04-17 2017-04-17 A kind of fire escape overbottom pressure monitoring system Active CN106843094B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108489660A (en) * 2018-05-23 2018-09-04 张晋 A kind of overbottom pressure detector of the modulatedemodulate based on two lines bus
CN109839878B (en) * 2019-03-04 2019-12-06 江苏荣夏安全科技有限公司 Fire emergency evacuation residual pressure monitoring system
CN110440389A (en) * 2019-08-15 2019-11-12 重庆众夏科技有限公司 A kind of fire-fighting emergent evacuation overbottom pressure monitoring method and system
CN110715766A (en) * 2019-10-24 2020-01-21 上海蜀昌电气有限公司 Fire emergency evacuation residual pressure monitoring system

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CN201129014Y (en) * 2007-11-30 2008-10-08 叶水兴 Residual pressure control device for building pressurized blowing
CN203386320U (en) * 2013-08-22 2014-01-08 西安兖矿科技研发设计有限公司 Fire hazard automatic alarm and fire-fighting linkage control system
CN104548461A (en) * 2015-01-13 2015-04-29 泉州天梭电气有限公司 Intelligent pressure difference control system for structural fire protection
CN204534964U (en) * 2015-02-10 2015-08-05 河南长润建设工程有限公司 A kind of structural fire protection smoke evacuation coordinated control system

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Publication number Priority date Publication date Assignee Title
GB2492372A (en) * 2011-06-30 2013-01-02 David John Royle Building pressurisation or depressurisation apparatus for ventilating a building based upon the position of a door or window
CN102961842B (en) * 2012-11-12 2014-10-15 张力 Fire alarm joint control system applied to chemical enterprise
CN205375733U (en) * 2015-11-30 2016-07-06 重庆安迈科技有限公司 Based on thing networking fire proofing monitoring system

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN201129014Y (en) * 2007-11-30 2008-10-08 叶水兴 Residual pressure control device for building pressurized blowing
CN203386320U (en) * 2013-08-22 2014-01-08 西安兖矿科技研发设计有限公司 Fire hazard automatic alarm and fire-fighting linkage control system
CN104548461A (en) * 2015-01-13 2015-04-29 泉州天梭电气有限公司 Intelligent pressure difference control system for structural fire protection
CN204534964U (en) * 2015-02-10 2015-08-05 河南长润建设工程有限公司 A kind of structural fire protection smoke evacuation coordinated control system

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