CN106267622A - Dangerous goods store security personnel and automatic fire extinguisher - Google Patents
Dangerous goods store security personnel and automatic fire extinguisher Download PDFInfo
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- CN106267622A CN106267622A CN201610685869.3A CN201610685869A CN106267622A CN 106267622 A CN106267622 A CN 106267622A CN 201610685869 A CN201610685869 A CN 201610685869A CN 106267622 A CN106267622 A CN 106267622A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a kind of dangerous goods store security personnel and automatic fire extinguisher, including: Infrared Detectors, visible-light detector, Bluetooth communication device, comprehensive control computer, servosystem and fire-extinguishing apparatus.Infrared Detectors and visible-light detector are fixed on photoelectric nacelle, carry out fan sweeping, and be immediately sent to combine control computer by Bluetooth communication device by the image of scanning gained under the control of comprehensive control computer；Combine control computer and image is performed fire point detection；If finding fire point, alerting, simultaneously to fire position, and sending fire extinguishing instruction to servosystem；Servosystem receives fire extinguishing instruction, controls fire-extinguishing apparatus alignment fire point spray fire extinguishing agent until fire is extinguished.The present invention can quick and precisely detect bright, the dying fire point of locking and be put out, and effectively can take precautions against artificially setting on fire.
Description
Technical field
The present invention relates to fire-fighting domain, particularly relate to a kind of dangerous goods store security personnel and automatic fire extinguisher.
Background technology
The Tianjin case of explosion on August 12nd, 2015 causes that 165 people are wrecked, the billions of unit of property loss, has shocked compatriots.
In February, 2016, research conclusion is announced, and explodes and is because nitrocotton spontaneous combustion, has ignited ammonium nitrate.Message one goes out, in the field of business at once
Cause and dangerous goods store fire fighting problem is discussed warmly.Dangerous goods store is different from general depot, have sensitivity high, on fire fast,
The intensity of a fire is violent, easy there is the features such as blast, and the reaction of existing manpower fire-fighting system is slower, it is difficult to discovers faint fire point, waits until
Fire spreading is the most uncontrollable.Existing automatic fire protection system is many is not used to danger using water as extinguishing chemical, major part situation
Product warehouse；Its response speed is slow, and positioning precision is low, it is impossible to quick and precisely locking fire is put and puts out a fire, and causes burning to continue the most quick-fried
Fried；And, prior art, for there is not naked light, only produces the dying fire point None-identified of smog, can only wait that naked light produces
Can process, affect the fire extinguishing best opportunity adversely.Simultaneously for slipping into artificially setting on fire of warehouse, prior art lacks corresponding detection
And processing method.
Obviously, severe security situation makes to be applied to dangerous goods store, can quick and precisely detect bright, the dying fire point of locking
And put out and the protective device effectively taken precautions against of artificially setting on fire can be become and need badly.
Summary of the invention
The invention provides a kind of dangerous goods store security personnel and automatic fire extinguisher, it is possible to quick and precisely detection locking is bright,
Dying fire point is also put out, and effectively can take precautions against artificially setting on fire.
The present invention provides a kind of dangerous goods store security personnel and automatic fire extinguisher, including: Infrared Detectors, visible ray detect
Device, Bluetooth communication device, comprehensive control computer, servosystem and fire-extinguishing apparatus；Wherein, Infrared Detectors is fixed with visible-light detector
It is being arranged at the photoelectric nacelle at dangerous goods store top, for carrying out fan sweeping under the control of comprehensive control computer, and institute will scanned
Image, azimuth corresponding to the identification code of this photoelectric nacelle, this photoelectric nacelle and angle of pitch packing, by Bluetooth communication device
Immediately it is sent to combine control computer；Combine control computer for receiving information that Infrared Detectors sends right with visible-light detector
It performs fire point detection；If finding fire point, alert, simultaneously according to corresponding identification code, the azimuth of the image finding fire point and bow
The elevation angle is to fire position, and sends fire extinguishing instruction to servosystem；Fire dot position information is carried in described fire extinguishing instruction；Servosystem
Receive fire extinguishing instruction, control fire-extinguishing apparatus alignment fire point spray fire extinguishing agent until fire is extinguished.
Preferably, the figure that control computer is additionally operable to send Infrared Detectors with visible-light detector is combined according to preset rules
As carrying out suspicious object detection；If suspicious object being detected, then alert and control the hidden safe door imported and exported in warehouse and close.
Preferably, described device also includes the Smoke Sensor for detecting smog, and Smoke Sensor detects and there is cigarette
Alert during mist, and send smog scan instruction to comprehensive control computer；Smog scan instruction carries the position letter of this Smoke Sensor
Breath；Combine control computer and turn to this Smoke Sensor place according to smog scan instruction control Infrared Detectors with visible-light detector
Region is scanned, and carries out dying fire point location by the image of scanning gained；Rear to servosystem send fire extinguishing instruction；Institute
State fire extinguishing instruction and carry dying fire dot position information.
Preferably, the described image by scanning gained carries out dying fire point location particularly as follows: combine control computer according to infrared
The smoke image sequences that detector gathers with visible-light detector, in conjunction with identification code, azimuth and the angle of pitch that image is corresponding, obtains
Obtain smog dispersal direction and smokescope gradient, and then determine dying fire point position.
Preferably, described fire-extinguishing apparatus includes: spray gun, electrically operated valve, valve positioner；And described control fire-extinguishing apparatus
It is directed at fire point spray fire extinguishing agent particularly as follows: servosystem moves to fire point according to fire extinguishing instruction control spray gun, and makes spray gun be directed at
Fire point；Combining control computer and send open command to valve positioner, valve positioner is opened electrically operated valve based on open command and is made
Extinguishing chemical sprays.
Preferably, servosystem includes: azimuth-drive motor, pitching motor, azimuth-drive motor driver and pitching motor driver；
Wherein, azimuth-drive motor, pitching motor are direct current generator；Azimuth-drive motor driver is arbitrary with pitching motor driver to be included:
PID control circuit, pulse-width modulation circuit, photoelectric isolating circuit, power amplifier and feedback circuit；Feedback circuit is used for gathering direct current
The current signal of motor feedback, and it is sent to PID control circuit；PID control circuit is for based on fire extinguishing instruction and described electric current
Signal realizes ratio, integration, differentiates and export to pulse-width modulation circuit；Pulse-width modulation circuit is for controlling electricity according to PID
The output signal on road produces pwm signal；Photoelectric isolating circuit is for preventing the lower power tube in power amplifier from simultaneously turning on；Merit
Electric discharge road is connected with direct current generator, for the output signal of photoelectric isolating circuit is carried out power amplification, and drives motor with this.
Preferably, Infrared Detectors is parallel with the sight line axle of visible-light detector.
Preferably, described Bluetooth communication implement body is low-power consumption bluetooth equipment BLE.
Preferably, described device also includes having waterproof, fire prevention, explosion-proof portable hard drive, and it is controlled computer be connected with combining,
For timing by the image storage of Infrared Detectors with visible-light detector scanning.
Preferably, described portable hard drive contains radiofrequency launcher, for periodically to the radio frequency of emission fixed frequency
Signal.
From above technical scheme, the dangerous goods store security personnel of the present invention and automatic fire extinguisher can be quickly and accurately
Identify location light and shade fire point, and it is quickly put out；The illegal a suspect entering warehouse can be detected and it is controlled；Can
Warehouse event is effectively recorded for subsequent treatment.Meanwhile, cost of the present invention is relatively low, and power consumption is less, is suitable in engineering
Application is promoted on a large scale.
Accompanying drawing explanation
Fig. 1 is dangerous goods store security personnel and the automatic fire extinguisher structural representation of the present invention.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearer, referring to the drawings and enumerate preferred reality
Executing example, the present invention is described in more detail.However, it is necessary to explanation, the many details listed in description are only
Make the reader one or more aspects of the present invention are had a thorough explanation, can also even without these specific details
Realize the aspects of the invention.
For the self-extinguishing problem of dangerous goods store, the present inventor is it is considered that dangerous goods store is different from one
As warehouse, have sensitivity high, on fire fast, the intensity of a fire violent, the features such as blast easily occur, and existing manpower fire-fighting system reaction
Slower, it is difficult to discovering faint fire point, fire spreading is the most uncontrollable by the time.Existing automatic fire protection system is many using water as fire extinguishing
Agent, major part situation is not used to dangerous goods store；Its response speed is slow, and positioning precision is low, it is impossible to quick and precisely locking fire point
And put out a fire, cause burning to continue even to explode；And, prior art for there is not naked light, only produce the dying fire point of smog without
Method identification, can only wait that naked light produces could process, and has affected the fire extinguishing best opportunity adversely.Simultaneously for slipping into the artificial vertical of warehouse
Fire, prior art lacks corresponding detection and processing method.
Based on considerations above, visible-light detector, Infrared Detectors are combined by the present inventor with Smoke Sensor
Carry out the high sensitivity fire point detection of 24 hours together, develop different light and shade fire point detection algorithms and carry out the accurate knowledge of fire point
Not, by the positional information of sensor carry out fire point be accurately positioned, with start and governor control characteristics is more preferable, positioning precision is higher directly
Stream motor replaces traditional alternating current generator and realizes being precisely controlled of fire extinguisher, and designs supporting low cost DC motor driver
For driving motor.Artificially setting on fire for that may be present, the present inventor develops the realization of suspicious object detection algorithm can
Doubt detection and the control of target.In view of just in case there is burning or blast, the image scene of sensor acquisition is for follow-up case
Part detection has decisive significance, arranges fire prevention, field data is stored, the most relatively by waterproof, explosion-proof black box hard disk
For successfully solving the automatic protecting problem of dangerous goods store.
Fig. 1 shows dangerous goods store security personnel and the automatic fire extinguisher of the present invention, as it is shown in figure 1, ensure public security and automatically go out
Fire device includes: Infrared Detectors 1, visible-light detector 2, Bluetooth communication device 3, comprehensive control computer 4, servosystem 5 and fire extinguishing
Equipment 6.
Specifically, Infrared Detectors 1 and visible-light detector 2 are fixed on and are arranged at the photoelectricity at dangerous goods store top and hang
Cabin, for carrying out fan sweeping under the control of comprehensive control computer 4, and will scan the image of gained, the identification code of this photoelectric nacelle, is somebody's turn to do
Azimuth and the angle of pitch that photoelectric nacelle is corresponding are packed, and are immediately sent to by Bluetooth communication device 3 combine control computer 4.Above-mentioned mark
Know the code positional information corresponding to photoelectric nacelle, be stored in and combine control computer 4.In actual application, Infrared Detectors 1 and visible ray
The sight line axle of detector 2 is parallel, and Infrared Detectors 1 is for detecting at night；Visible-light detector 2 is for carrying out in the daytime
Detection.General, many group detectors can be set at dangerous goods store and cover whole warehouse space, it is achieved supervising without dead angle of warehouse
Control.
In a preferred embodiment of the invention, Bluetooth communication device 3 is low-power consumption bluetooth equipment BLE, and this is designed to significantly drop
Low system energy consumption also ensures communication distance farther out.
Combine control computer 4 for receiving Infrared Detectors 1 and the information of visible-light detector 2 transmission and it being performed fire point
Detection.Fire point detection algorithm is known technology, and here is omitted.
If combining the control fiery point of computer 4 discovery, alert, simultaneously according to identification code, the azimuth finding that the fiery image put is corresponding
And the angle of pitch is to fire position.The detailed process of location is: combines control computer 4 and is determined the position of photoelectric nacelle by comparison identification code
Confidence ceases, and according to above-mentioned azimuth and the angle of pitch, in conjunction with warehouse three-dimensional map, utilizes image simulation technology-locking impact point.
After fire position, combine control computer 4 and send the fire extinguishing instruction carrying fire dot position information to servosystem 5.Watch
Take equipment 5 and receive fire extinguishing instruction, control fire-extinguishing apparatus 6 and be directed at fire point spray fire extinguishing agent until fire is extinguished.Through said process,
Present invention achieves accurately detecting, position and putting out of open firing point.
Specifically, servosystem 5 includes: azimuth-drive motor, pitching motor, azimuth-drive motor driver drive with pitching motor
Device.Azimuth-drive motor therein, pitching motor are direct current generator.It is known that direct current generator has good starting characteristic, tune
Speed characteristic and provide the advantages such as big torque, occupies one seat in accurate industrial control device.Such as inertial navigation system
In the high accuracy used, big torque, powerful rotation table device just use direct current generator.The present invention replaces tradition with direct current generator
Alternating current generator can make extinguishing device fast reaction, be accurately positioned, make the fire point very first time in warehouse be processed.
Azimuth-drive motor driver all includes with pitching motor driver: PID control circuit, pulse-width modulation circuit, photoelectricity every
From circuit, power amplifier and feedback circuit.Specifically:
Feedback circuit is for gathering the current signal of direct current generator feedback, and is sent to PID control circuit.
PID control circuit is for realizing ratio, integration based on fire extinguishing instruction with described current signal, differentiate and export
To pulse-width modulation circuit.It is anti-that PID control circuit achieves the position accurate, stable to direct current generator, speed through above-mentioned computing
Feedback controls, it is ensured that fire-extinguishing apparatus can move exactly to fire point region.
Pulse-width modulation circuit produces pulse-width signal for the output signal according to PID control circuit and controls unidirectional current
Machine.
Photoelectric isolating circuit is with optocoupler as core, for preventing the lower power tube in power amplifier from simultaneously turning on,
It is added significantly to system reliability.
Power amplifier is connected with direct current generator, for the output signal of photoelectric isolating circuit being carried out power amplification, and with
This drives motor.
During DC motor driver above-mentioned is arranged, present invention, avoiding traditional analog circuit the dead time and complexity
Boostrap circuit, realizes interlocking by high speed photo coupling, it is achieved that the effect that in power amplifier, upper and lower two power tubes can not simultaneously turn on,
Both simplify circuit, improve again the reliability of system；Circuit is enormously simplify by the power amplifier chips of monolithic.The present invention designs
DC motor driver highly versatile, low cost, simple in construction, it is adaptable to torque high-power, big, slow-revving unidirectional current
Machine, the strong guarantee accurate control to fire-extinguishing apparatus, enable devices to spread in engineer applied simultaneously.
It is preferred that in an embodiment of the present invention, fire-extinguishing apparatus 6 includes: spray gun, electrically operated valve, valve positioner.Its tool
Body running process is as follows:
Servosystem 5 controls spray gun according to fire extinguishing instruction and moves to fire point, and makes spray gun alignment fire point.Combine control computer to
Valve positioner sends open command, and valve positioner opens electrically operated valve based on open command makes extinguishing chemical spray.
In a preferred embodiment of the invention, combine control computer 4 to be additionally operable to according to preset rules Infrared Detectors 1 with visible
The image that photo-detector 2 sends carries out suspicious object detection.If suspicious object being detected, then alert and control what warehouse was imported and exported
Hidden safe door 8 is closed, and controls suspicious object in warehouse.Above-mentioned preset rules is the algorithm pre-set, particularly as follows: by storehouse
The macroscopic features storage of storehouse relevant staff, extracts clarification of objective, it is judged that the difference of target characteristic and default feature whether
More than threshold value；If more than threshold value, it is determined that target is not staff, i.e. with it as suspicious object.By above-mentioned setting, this
Bright achieve the effective strick precaution artificially seted on fire or artificially steal, and a suspect is controlled.
It is preferred that in a preferred embodiment of the invention, security personnel and automatic fire extinguisher also include the cigarette for detecting smog
Mist sensor 7, Smoke Sensor 7 detects and alerts when there is smog, and sends smog scan instruction, cigarette to comprehensive control computer 4
Mist scan instruction carries the positional information of this Smoke Sensor 7.
Combining control computer 4 turns to this smog to pass according to smog scan instruction control Infrared Detectors 1 with visible-light detector 2
Sensor 7 region is scanned, and carries out dying fire point location by the image of scanning gained.Rear send to servosystem 5
Fire extinguishing instruction, dying fire dot position information is carried in fire extinguishing instruction.Servosystem 5 controls fire-extinguishing apparatus 6 and extinguishes the blaze.
Dying fire independent positioning method is particularly as follows: combine the figure that Infrared Detectors 1 is gathered by control computer 4 with visible-light detector 2
As being arranged in smoke image sequences；For each image, determine that it is in warehouse space by identification code, azimuth and the angle of pitch
Position, thus obtain multiple smoke image sequences of warehouse space.By the Smoke Detection Algorithm Analysis smog figure pre-set
As sequence, it is thus achieved that smog dispersal direction and smokescope gradient, the two position jointly pointed to is defined as dying fire point.Above-mentioned cigarette
Mist detection algorithm specifically need to determine according to the combustion characteristic of the dangerous materials of warehouse storage.
So, present invention achieves the detecting in time of dying fire point and quickly put out, it would be possible to the big fire of generation is even exploded
Prevent in bud.
As a preferred version, security personnel and automatic fire extinguisher also include by characteristic metal making, surface coating
Ultra-Ever Dry coating, having waterproof, fire prevention, explosion-proof portable hard drive 9, it is connected with combining control computer, is used for regularly
By the image storage of Infrared Detectors and visible-light detector scanning, as the record of field data, when event of fire or
Explosion time, provides strong evidence for follow-up case investigation.
It is preferred that above-mentioned portable hard drive 9 is containing radiofrequency launcher, for periodically to the radio frequency of emission fixed frequency
Signal, makes boarding party be easily found by methods such as rssi measurements.
If it should be noted that security personnel and automatic fire extinguisher are detected simultaneously by fire point, dying fire point and suspicious object, will
Process fire point at first, be dying fire point afterwards, be suspicious object afterwards.
Dangerous goods store security personnel and automatic fire extinguisher that the present invention provides can identify location light and shade fire quickly and accurately
Point, and it is quickly put out；The illegal a suspect entering warehouse can be detected and it is controlled；The thing that warehouse can be occurred
Part effectively records for subsequent treatment.Meanwhile, cost of the present invention is relatively low, and power consumption is less, is suitable to push away on a large scale in engineer applied
Extensively.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is permissible
Instructing relevant hardware by program to complete, this program can be stored in a computer read/write memory medium, such as:
ROM/RAM, magnetic disc, CD etc..
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. dangerous goods store security personnel and automatic fire extinguisher, it is characterised in that including: Infrared Detectors, visible ray detect
Device, Bluetooth communication device, comprehensive control computer, servosystem and fire-extinguishing apparatus；Wherein,
Infrared Detectors and visible-light detector are fixed on the photoelectric nacelle being arranged at dangerous goods store top, based in comprehensive control
Fan sweeping is carried out under the control of calculation machine, and by the scanning image of gained, the identification code of this photoelectric nacelle, side that this photoelectric nacelle is corresponding
Parallactic angle and angle of pitch packing, be sent to by Bluetooth communication device combine control computer immediately；
Comprehensive control computer is for receiving Infrared Detectors and the information of visible-light detector transmission and detecting its execution fire point；If
Find that fire point then alerts, simultaneously according to corresponding identification code, azimuth and the angle of pitch of the image finding fire point to fire position, and
Fire extinguishing instruction is sent to servosystem；Fire dot position information is carried in described fire extinguishing instruction；
Servosystem receives fire extinguishing instruction, controls fire-extinguishing apparatus alignment fire point spray fire extinguishing agent until fire is extinguished.
2. device as claimed in claim 1, combines control computer and is additionally operable to according to preset rules Infrared Detectors and visible ray
The image that detector sends carries out suspicious object detection；If suspicious object being detected, then alert and control the hidden of warehouse import and export
Cover safety door to close.
3. device as claimed in claim 2, also includes the Smoke Sensor for detecting smog, and Smoke Sensor detects to be deposited
Alert when smog, and send smog scan instruction to comprehensive control computer；Smog scan instruction carries the position of this Smoke Sensor
Confidence ceases；
Combine control computer and turn to this Smoke Sensor institute according to smog scan instruction control Infrared Detectors with visible-light detector
It is scanned in region, and carries out dying fire point location by the image of scanning gained；Rear to servosystem send fire extinguishing instruction；
Dying fire dot position information is carried in described fire extinguishing instruction.
4. device as claimed in claim 3, the described image by scanning gained carries out dying fire point location particularly as follows: combine control meter
The smoke image sequences that calculation machine gathers according to Infrared Detectors and visible-light detector, in conjunction with identification code corresponding to image, orientation
Angle and the angle of pitch, it is thus achieved that smog dispersal direction and smokescope gradient, and then determine dying fire point position.
5. device as claimed in claim 4, described fire-extinguishing apparatus includes: spray gun, electrically operated valve, valve positioner；And
Described control fire-extinguishing apparatus is directed at fire point spray fire extinguishing agent particularly as follows: servosystem moves according to fire extinguishing instruction control spray gun
To fire point, and make spray gun alignment fire point；Combining control computer and send open command to valve positioner, valve positioner is based on unlatching
Instruction unpack electrically operated valve makes extinguishing chemical spray.
6. device as claimed in claim 5, servosystem includes: azimuth-drive motor, pitching motor, azimuth-drive motor driver with bow
Face upward motor driver；Wherein,
Azimuth-drive motor, pitching motor are direct current generator；
Azimuth-drive motor driver is arbitrary with pitching motor driver to be included: PID control circuit, pulse-width modulation circuit, photoelectricity every
From circuit, power amplifier and feedback circuit；
Feedback circuit is for gathering the current signal of direct current generator feedback, and is sent to PID control circuit；
PID control circuit is for realizing ratio, integration based on fire extinguishing instruction with described current signal, differentiate and export to arteries and veins
Wide modulation circuit；
Pulse-width modulation circuit produces pulse-width modulation PWM signal for the output signal according to PID control circuit；
Photoelectric isolating circuit is for preventing the lower power tube in power amplifier from simultaneously turning on；
Power amplifier is connected with direct current generator, for the output signal of photoelectric isolating circuit is carried out power amplification, and drives with this
Galvanic electricity machine.
7. device as claimed in claim 6, Infrared Detectors is parallel with the sight line axle of visible-light detector.
8. device as claimed in claim 7, described Bluetooth communication implement body is low-power consumption bluetooth equipment BLE.
9. device as claimed in claim 8, also includes having waterproof, fire prevention, explosion-proof portable hard drive, its with combine control computer
Connect, for timing by the image storage of Infrared Detectors with visible-light detector scanning.
10. device as claimed in claim 9, described portable hard drive contains radiofrequency launcher, for periodically to emission
The radiofrequency signal of fixed frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610685869.3A CN106267622A (en) | 2016-08-18 | 2016-08-18 | Dangerous goods store security personnel and automatic fire extinguisher |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610685869.3A CN106267622A (en) | 2016-08-18 | 2016-08-18 | Dangerous goods store security personnel and automatic fire extinguisher |
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| CN106267622A true CN106267622A (en) | 2017-01-04 |
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|---|---|---|---|---|
| USRE39081E1 (en) * | 1993-11-30 | 2006-05-02 | Alan E. Thomas | Localized automatic fire extinguishing apparatus |
| CN201316492Y (en) * | 2008-12-15 | 2009-09-30 | 南阳防爆电气研究所有限公司 | Explosion-proof homing fire monitor |
| CN105107121A (en) * | 2015-09-17 | 2015-12-02 | 张建文 | Omnidirectional fire-extinguishing device |
| CN105854210A (en) * | 2016-04-25 | 2016-08-17 | 武汉理工大学 | Intelligent fire extinguishing system and method based on distributed pyroelectric sensing network |
-
2016
- 2016-08-18 CN CN201610685869.3A patent/CN106267622A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE39081E1 (en) * | 1993-11-30 | 2006-05-02 | Alan E. Thomas | Localized automatic fire extinguishing apparatus |
| CN201316492Y (en) * | 2008-12-15 | 2009-09-30 | 南阳防爆电气研究所有限公司 | Explosion-proof homing fire monitor |
| CN105107121A (en) * | 2015-09-17 | 2015-12-02 | 张建文 | Omnidirectional fire-extinguishing device |
| CN105854210A (en) * | 2016-04-25 | 2016-08-17 | 武汉理工大学 | Intelligent fire extinguishing system and method based on distributed pyroelectric sensing network |
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Application publication date: 20170104 |