CN102103782B - Fire fighting intelligent monitoring early warning system in wired-wireless bidirectional data communication - Google Patents
Fire fighting intelligent monitoring early warning system in wired-wireless bidirectional data communication Download PDFInfo
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- CN102103782B CN102103782B CN 201110036415 CN201110036415A CN102103782B CN 102103782 B CN102103782 B CN 102103782B CN 201110036415 CN201110036415 CN 201110036415 CN 201110036415 A CN201110036415 A CN 201110036415A CN 102103782 B CN102103782 B CN 102103782B
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Abstract
The invention relates to a fire fighting intelligent monitoring system, belonging to the monitoring field of fire fighting apparatus. The system comprises a water supply monitoring module, a fire disaster warning module and a fire fighting monitoring host machine, wherein the water supply monitoring module, the fire disaster warning module and the fire fighting monitoring host machine are connected through a wired-wireless bidirectional data communication channel. The water supply monitoring module comprises a regulated power supply circuit, a singlechip control circuit, a wireless receiving and transmitting circuit, keys and a liquid crystal display circuit, an input and output isolating circuit, an FSK (Frequency Shift Keying) modulation-demodulation module and a wired communication circuit. The monitoring host machine determines whether each water supply monitoring module and fire disaster warning module work regularly through wired or wireless bidirectional data communication routing inspection. The fire disaster warning module comprises a fire disaster probe, an electrical fire monitoring module and an input and output control module. The water supply monitoring module and the fire disaster warning module periodically perform routing inspection on fire fighting water supply devices and fire fighting protected areas, when discovering exceptional situation, transmit information about the exceptional situation to the monitoring host machine through a wired mode or a wireless mode.
Description
Technical field
The present invention relates to the electronic intelligence control system, relate in particular to a kind of Intelligent fire-fighting supervisory system, belong to fire fighting equipment and monitor the field.
Background technology
Fire fighting equipment is for the prevention in advance of the generation of fire and in time put out a fire to save life and property and played vital effect.Therefore, need fire equipments (especially waterworks for firefighting) to monitor to ensure that there is not fault in it is to guarantee or occur be able to save the prerequisite of lives and properties.Therefore, existing fire fighting equipment is generally installed supervisory system.
Yet the wire communication mode is all adopted in the monitoring of existing fire fighting equipment, and fire alarm also has the wire communication mode of employing or uni-directional wireless communication mode.There are the defectives such as cost of labor is high, constructional difficulties, debugging trouble, installation period length in the installation of wire communication mode on existing structure.The uni-directional wireless communication mode is because only having terminal device to collect abnormal conditions, just data sheet to being sent on monitoring host computer, monitoring host computer can only passive reception warning message, duty that can't the active monitoring terminal device, can't judge whether terminal device works, and monitoring host computer needs to understand in real time the normal operation of the whole supervisory system of duty guarantee of terminal device.Particularly the fire that causes of electrical equipment causes the short circuit of fire fighting equipment supply line and detector Wireline and opens circuit when fire occurs, and makes the monitoring host computer of fire fighting equipment and fire alarm control unit can't accurately and timely understand the terminal device field condition.This shows, wire communication mode or the uni-directional wireless communication mode of the supervisory system of existing fire fighting equipment all exist certain deficiency or potential safety hazard.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, a kind of Intelligent fire-fighting supervisory system is provided, this Intelligent fire-fighting supervisory system is concentrated monitoring module and the fire alarm module of each fire-fighting watering equipment to be connected on monitoring host computer by wired or wireless bidirectional data communication.Whether monitoring host computer is patrolled and examined by wired or wireless bidirectional data communication the monitoring module of determining respectively to supply water and is closed the fire alarm module and work.The water supply monitoring module carries out periodicity to fire-fighting watering equipment and patrols and examines, the temperature that the fire alarm module is carried out each point position, fire-fighting place, the cycle of flue gas patrol and examine and the equipment such as fire control smoke exhausting, air-supply are controlled, when unusual circumstance, by wired or wireless mode, abnormal information is sent to monitoring host computer.
The technical solution adopted in the present invention is:
The present invention includes water supply monitoring module, fire alarm module and fire fighting monitoring main frame, be connected by wired and wireless two-way data communication passage between described water supply monitoring module and fire alarm module and fire fighting monitoring main frame.Described water supply monitoring module comprises voltage-stabilized power supply circuit, single chip machine controlling circuit, wireless transceiver circuit, button and liquid crystal display circuit, input and output buffer circuit, FSK modulation-demodulation circuit and wire communication circuit.Wherein,
Described voltage-stabilized power supply circuit comprises three five terminal integrated regulators, input direct-current 24V exports respectively voltage stabilizing 12V, 7.2V and 5V, for single chip machine controlling circuit, wireless transceiver circuit, button and liquid crystal display circuit, input and output buffer circuit, FSK modulation-demodulation circuit and wire communication circuit provide stable working power;
Described single chip machine controlling circuit comprises single-chip microcomputer and the integrated circuit of clock, the I/O port expansion circuit that are connected to single-chip microcomputer, and single chip machine controlling circuit I/O mouth is electrically connected at wireless transceiver circuit, button and liquid crystal display circuit, input and output buffer circuit, FSK modulation-demodulation circuit and wire communication circuit;
Described wireless transceiver circuit comprises the antenna of radio receiving-transmitting unit and connection, is electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit and above-mentioned FSK modulation-demodulation circuit;
Described button and liquid crystal display circuit comprise button, LCDs and indicator light circuit, are electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit;
Described input and output buffer circuit comprises input photoelectric isolating circuit and output relay buffer circuit, and the output terminal of input photoelectric isolating circuit and the control end of output relay buffer circuit are electrically connected at above-mentioned single chip machine controlling circuit;
Described FSK modulation-demodulation circuit comprises FSK modulation /demodulation integrated circuit, is electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit;
Described wire communication circuit comprises wired holding circuit and wired transmission circuit, and the control end of wired holding circuit and wired transmission circuit is electrically connected at above-mentioned single chip machine controlling circuit.
The invention has the beneficial effects as follows: owing to the present invention includes water supply monitoring module, fire alarm module and fire fighting monitoring main frame, above-mentioned water supply monitoring module is connected with the fire fighting monitoring main frame wiredly to connect with wireless two-way data communication, and above-mentioned water supply monitoring module comprises voltage-stabilized power supply circuit, single chip machine controlling circuit, wireless transceiver circuit, button and liquid crystal display circuit, input and output buffer circuit, FSK modulation-demodulation circuit and wire communication circuit.So the present invention a kind ofly can realize that each fire fighting supply monitoring module and fire alarm module by the Intelligent fire-fighting supervisory system of UNICOM each other between wired, wireless two-way data communication and fire fighting equipment monitoring host computer, can solve the potential safety hazard that existing firefighting monitoring system exists.
Description of drawings
Fig. 1 is the novel system chart of this reality;
Fig. 2 is the circuit module block diagram of the novel water supply monitoring module of this reality;
Fig. 3 is the control flow chart of fire fighting monitoring main frame;
Fig. 4 is the workflow diagram of water supply monitoring module.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
Consult shown in Figure 1ly, be connected by wired and wireless two-way data communication passage between novel water supply monitoring module 1, fire alarm module 2 and the fire fighting monitoring main frame 3 of comprising of this reality, described water supply monitoring module 1 and fire alarm module 2 and fire fighting monitoring main frame 3.Above-mentioned water supply monitoring module 1 is arranged in water system to be monitored, and above-mentioned fire alarm module 2 is arranged at each control point, fire-fighting place, and what 3, above-mentioned fire fighting monitoring main frame was arranged at monitoring control center chamber or other has a monitor staff place on duty.
Consult shown in Figure 2ly, above-mentioned water supply monitoring module 1 comprises voltage-stabilized power supply circuit 101, single chip machine controlling circuit 102, wireless transceiver circuit 103, button and liquid crystal display circuit 104, input and output buffer circuit 105, FSK modulation-demodulation circuit 106 and wire communication circuit 107.
Wherein, described voltage-stabilized power supply circuit 101 comprises three five terminal integrated regulators, input direct-current 24V exports respectively voltage stabilizing 12V, 7.2V and 5V, for single chip machine controlling circuit 102, wireless transceiver circuit 103, button and liquid crystal display circuit 104, input and output buffer circuit 105, FSK modulation-demodulation circuit 106 and wire communication circuit 107 provide stabilized power source;
Described single chip machine controlling circuit 102 comprises single-chip microcomputer, integrated circuit of clock, I/O port expansion circuit, and the I/O mouth of single chip machine controlling circuit 102 is electrically connected at wireless transceiver circuit 103, button and liquid crystal display circuit 104, input and output buffer circuit 105, FSK modulation-demodulation circuit 106 and wire communication circuit 107;
Described wireless transceiver circuit 103 comprises the antenna of radio receiving-transmitting unit and connection, is electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit 102 and above-mentioned FSK modulation-demodulation circuit 106;
Described button and liquid crystal display circuit 104 comprise button, LCDs and indicator light circuit, are electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit 102;
Described input and output buffer circuit 105 comprises input photoelectric isolating circuit and output relay buffer circuit, and the output terminal of input photoelectric isolating circuit and the control end of output relay buffer circuit are electrically connected at above-mentioned single chip machine controlling circuit 102;
Described FSK modulation-demodulation circuit 106 comprises FSK modulation /demodulation integrated circuit, is electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit 102;
Described wire communication circuit 107 comprises wired holding circuit and wired transmission circuit, and the control end of wired holding circuit and wired transmission circuit is electrically connected at above-mentioned single chip machine controlling circuit 102.
Described fire fighting monitoring main frame 3 can be the monitoring host computer with wireless data communication module that adopts in existing technology.This partial circuit does not belong to creation point of the present invention, gives unnecessary details no longer in detail in this.Fire alarm module 2 also can adopt existing temperature alarm, smoke alarm etc.
Consult shown in Figure 3ly, the control flow of fire fighting monitoring main frame 3 is:
Step 301: start;
Step 302: monitoring host computer carries out self check;
Step 303: whether normally detect wired passage;
If not, enter
Step 304: use radio channel to communicate;
If so, enter
Step 305: whether normally detect radio channel;
If not, enter step 307;
If so, enter
Step 306: whether all modules that detect on wired and radio channel work;
If so, enter step: 307: send sound and light alarm; After execution in step 307, enter step 308;
If not, enter
Step 308: whether all modules that detect on wired and radio channel detect abnormal conditions;
If not, enter
Step 309: send sound and light alarm; After execution in step 309, enter step 310;
If so, enter
Whether step 310: detecting has the control key-press input;
If not, return to step 303;
If so, enter
Step 311: carry out corresponding feature operation; And return to step 303.
Consult shown in Figure 4ly, the workflow of water supply monitoring module 1 is:
Step 401: start enters self check; Enter
Step 402: detect power of alterating and direct current; Enter
Step 403: sensed water level; Enter
Step 404: whether detect hydraulic pressure lower than lower limit is set;
If not, enter step 408;
If so, enter
Step 405: start stabilized pressure pump; Enter
Step 406: detection hydraulic pressure reaches the upper limit is set;
If not, continue to wait in step 406;
If so, enter
Step 407: stop stabilized pressure pump; Enter
Step 408: allow automatic detecting; Enter step 410;
Perhaps step 409: manually patrol and examine; Enter step 413;
Step 410: the fire extinguishing pump monitoring time arrives; Enter
Step 411: judged whether fire alarm;
If so, enter step 414;
If not, enter step
Step 412: start fire extinguishing pump operation 130 seconds; And enter step 417;
Step 413: judged whether fire alarm;
If not, enter step 417;
If so, enter
Step 414: cancel patrolling and examining entering fire fighting state; Enter
Step 415: start the fire extinguishing pump operation; Enter
Step 416: manually stop; And enter step 417
Step 417: detect radio communication, wire communication and panel button;
Until enter
Step 418: receive wireless instructions; Enter
Step 419: respond and send the detection result; Enter
Step 420: carry out instruction;
Perhaps, until enter
Step 421: received line; Enter
Step 422: respond and send the detection result; Enter
Step 423: carry out instruction;
Perhaps, until enter
Step 424: panel button input; Enter
Step 425: carry out corresponding function;
And return to step 402.
Fire alarm module 2 adopts known prior art, and its workflow repeats no more.
Described water supply monitoring module 1 of the present invention, fire alarm module 2 are connected with the fire fighting monitoring main frame and are carried out data communication by wired or wireless bidirectional data communication and connect.Whether fire fighting monitoring main frame 3 is patrolled and examined by wired or wireless bidirectional data communication determine respectively to supply water monitoring module 1 and fire alarm module 2 and is worked.1 of water supply monitoring module carries out periodicity to fire-fighting watering equipment and patrols and examines, the temperature that carry out each point position, 2 pairs of fire-fighting places of fire alarm module, the cycle of flue gas patrol and examine, when unusual circumstance, by the wired or wireless communication mode, abnormal information is sent to fire fighting monitoring main frame 3.Therefore, the present invention can be widely used in residential quarter and industrial park, and fire-fighting watering equipment and fire-alarm are carried out the Centralized Monitoring management, and can monitor the working condition of fire-fighting place, fire fighting equipment and fire fighting supply monitoring module.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (2)
1. Intelligent fire-fighting supervisory system, it comprises water supply monitoring module (1), fire alarm module (2) and fire fighting monitoring main frame (3), described water supply monitoring module (1), be connected by wired and wireless two-way data communication passage between fire alarm module (2) and fire fighting monitoring main frame (3), it is characterized in that: described water supply monitoring module (1) comprises voltage-stabilized power supply circuit (101), single chip machine controlling circuit (102), wireless transceiver circuit (103), button and liquid crystal display circuit (104), input and output buffer circuit (105), FSK modulation-demodulation circuit (106) and wire communication circuit (107), wherein,
Described voltage-stabilized power supply circuit (101) is for single chip machine controlling circuit (102), wireless transceiver circuit (103), button and liquid crystal display circuit (104), input and output buffer circuit (105), FSK modulation-demodulation circuit (106) and wire communication circuit (107) provide direct current of voltage regulation;
Described single chip machine controlling circuit (102) comprises single-chip microcomputer and the integrated circuit of clock, the I/O port expansion circuit that are connected to single-chip microcomputer, and the I/O mouth of single chip machine controlling circuit (102) is electrically connected at wireless transceiver circuit (103), button and liquid crystal display circuit (104), input and output buffer circuit (105), FSK modulation-demodulation circuit (106) and wire communication circuit (107);
Described wireless transceiver circuit (103) comprises the antenna of radio receiving-transmitting unit and connection thereof, is electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit (102) and above-mentioned FSK modulation-demodulation circuit (106);
Described button and liquid crystal display circuit (104) comprise button, LCDs and indicator light circuit, all are electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit (102);
Described input and output buffer circuit (105) comprises input photoelectric isolating circuit and output relay buffer circuit, and the output terminal of input photoelectric isolating circuit and the control end of output relay buffer circuit all are electrically connected at above-mentioned single chip machine controlling circuit (102);
Described FSK modulation-demodulation circuit (106) is made of FSK modulation /demodulation integrated chip and peripheral cell, is electrically connected at the I/O mouth of above-mentioned single chip machine controlling circuit (102);
Described wire communication circuit (107) comprises wired holding circuit and wired transmission circuit, and the control end of wired holding circuit and wired transmission circuit is electrically connected at above-mentioned single chip machine controlling circuit (102);
Wherein, the control flow of above-mentioned fire fighting monitoring main frame (3) is:
Step 301: start;
Step 302: monitoring host computer carries out self check;
Step 303: whether normally detect wired passage;
If not, enter
Step 304: use radio channel to communicate;
If so, enter
Step 305: whether normally detect radio channel;
If not, enter step 307;
If so, enter
Step 306: whether all modules that detect on wired and radio channel work;
If so, enter step: 307: send sound and light alarm; After execution in step 307, enter step 308;
If not, enter
Step 308: whether all modules that detect on wired and radio channel detect abnormal conditions;
If not, enter
Step 309: send sound and light alarm; After execution in step 309, enter step 310;
If so, enter
Whether step 310: detecting has the control key-press input;
If not, return to step 303;
If so, enter
Step 311: carry out corresponding feature operation; And return to step 303.
The workflow of above-mentioned water supply monitoring module (1) is:
Step 401: start enters self check; Enter
Step 402: detect power of alterating and direct current; Enter
Step 403: sensed water level; Enter
Step 404: whether detect hydraulic pressure lower than lower limit is set;
If not, enter step 408;
If so, enter
Step 405: start stabilized pressure pump; Enter
Step 406: detection hydraulic pressure reaches the upper limit is set;
If not, continue to wait in step 406;
If so, enter
Step 407: stop stabilized pressure pump; Enter
Step 408: allow automatic detecting; Enter step 410;
Perhaps step 409: manually patrol and examine; Enter step 413;
Step 410: the fire extinguishing pump monitoring time arrives; Enter
Step 411: judged whether fire alarm;
If so, enter step 414;
If not, enter step
Step 412: start fire extinguishing pump operation 130 seconds; And enter step 417;
Step 413: judged whether fire alarm;
If not, enter step 417;
If so, enter
Step 414: cancel patrolling and examining entering fire fighting state; Enter
Step 415: start the fire extinguishing pump operation; Enter
Step 416: manually stop; And enter step 417
Step 417: detect radio communication, wire communication and panel button;
Until enter
Step 418: receive wireless instructions; Enter
Step 419: respond and send the detection result; Enter
Step 420: carry out instruction;
Perhaps, until enter
Step 421: received line; Enter
Step 422: respond and send the detection result; Enter
Step 423: carry out instruction;
Perhaps, until enter
Step 424: panel button input; Enter
Step 425: carry out corresponding function;
And return to step 402.
2. Intelligent fire-fighting supervisory system according to claim 1, it is characterized in that: described voltage-stabilized power supply circuit (101) comprises three five terminal integrated regulators, input termination direct current 24V, and output terminal is connected to respectively 12V integrated regulator, 7.2V integrated regulator and 5V integrated regulator.
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| CN 201110036415 CN102103782B (en) | 2011-01-31 | 2011-01-31 | Fire fighting intelligent monitoring early warning system in wired-wireless bidirectional data communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110036415 CN102103782B (en) | 2011-01-31 | 2011-01-31 | Fire fighting intelligent monitoring early warning system in wired-wireless bidirectional data communication |
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| CN102103782B true CN102103782B (en) | 2013-06-05 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426752A (en) * | 2011-09-23 | 2012-04-25 | 张瞳 | Remote monitoring system for wireless fire smoke-sensing alarm |
| CN102821525B (en) * | 2012-08-27 | 2015-11-04 | 暨南大学 | A kind of multi-function emergency lamp control system and control method thereof |
| CN102861406B (en) * | 2012-09-19 | 2016-02-24 | 铁道第三勘察设计院集团有限公司 | Track traffic bus fire hydrant water supply monitoring system and method |
| CN103706072A (en) * | 2012-09-29 | 2014-04-09 | 中国石油化工股份有限公司 | Fire-fighting control system for oil depot |
| CN103177522A (en) * | 2013-03-12 | 2013-06-26 | 北京机械设备研究所 | Fire alarm controller |
| CN103389132A (en) * | 2013-07-30 | 2013-11-13 | 苏州计量测试研究所 | Intelligent temperature and humidity verification system |
| CN103871182B (en) * | 2014-04-09 | 2016-02-03 | 哈尔滨天源石化装备制造有限责任公司 | The special perimeter alarm system of oil depot |
| CN104548468A (en) * | 2015-01-19 | 2015-04-29 | 上海理工大学 | Fire-fighting equipment |
| CN104826262A (en) * | 2015-06-09 | 2015-08-12 | 张维秀 | Fire-fighting apparatus monitoring method, fire-fighting apparatus monitoring device and fire-fighting apparatus monitoring system |
| CN106251557A (en) * | 2016-08-09 | 2016-12-21 | 无锡圣敏传感科技股份有限公司 | A kind of multiparameter temperature measuring type electrical fire monitoring system |
| CN107170218B (en) * | 2017-07-13 | 2020-12-15 | 蚌埠依爱消防电子有限责任公司 | Remote assistance method and system for debugging fire alarm system |
| CN110471361A (en) * | 2019-08-14 | 2019-11-19 | 山西四建集团有限公司 | Structural fire protection security protection cloud wisdom integrates linked system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101590309A (en) * | 2009-07-02 | 2009-12-02 | 蒋锐 | A kind of detection alarm device for fire fighting hydraulic pressure |
| CN101727723A (en) * | 2008-10-16 | 2010-06-09 | 刘宣庆 | Fire safety patrol monitoring system |
| CN201959457U (en) * | 2011-01-31 | 2011-09-07 | 福建省万华电子科技有限公司 | Intelligent firefighting monitoring prewarning system with wired and wireless bidirectional data communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080041599A1 (en) * | 2006-07-19 | 2008-02-21 | Joel Mulkey | Smart flow system for fire fighting |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101727723A (en) * | 2008-10-16 | 2010-06-09 | 刘宣庆 | Fire safety patrol monitoring system |
| CN101590309A (en) * | 2009-07-02 | 2009-12-02 | 蒋锐 | A kind of detection alarm device for fire fighting hydraulic pressure |
| CN201959457U (en) * | 2011-01-31 | 2011-09-07 | 福建省万华电子科技有限公司 | Intelligent firefighting monitoring prewarning system with wired and wireless bidirectional data communication |
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