CN101920076A

CN101920076A - Acousto-optic synchronous wireless fire safety evacuation equipment

Info

Publication number: CN101920076A
Application number: CN2010101731970A
Authority: CN
Inventors: 陆宏波; 黄晓飞; 周建萍
Original assignee: ANLONG INFORMATION TECHNOLOGY (SHANGHAI) Co Ltd
Current assignee: ANLONG INFORMATION TECHNOLOGY (SHANGHAI) Co Ltd
Priority date: 2010-05-12
Filing date: 2010-05-12
Publication date: 2010-12-22

Abstract

The invention discloses acousto-optic synchronous wireless fire safety evacuation equipment. The equipment at least comprises a plurality of single machines which are wirelessly networked with a central control device, wherein each single machine is in signal connection with a temperature detection device and a smoke detection device respectively; the single machine at least comprises a network wireless transmitting and receiving module, a program control board and a laser generation and control device; the laser generation and control device is used for providing a laser guide pattern and at least comprises a laser generator and a lens which is driven by a step motor; a replaceable pattern card is arranged between the laser generator and the lens; and the single machine also comprises an audio play device. The acousto-optic synchronous wireless fire safety evacuation equipment of the invention realizes intelligent system linkage and active indication, greatly improves the safety standard, reduces the possibility of casualties, has high industrial generalization capacity and has the advantages of many nodes, flexible allocation, high adaptability and high reliability.

Description

The wireless fire safety evacuation equipment that acousto-optic is synchronous

Technical field

The present invention relates to the fire-fighting equipment technical field, relate in particular to the synchronous wireless fire safety evacuation equipment of a kind of acousto-optic.

Background technology

The fire-fighting unusual condition when taking place in the public place at present, and prior art rests on substantially and adopts the luminescence generated by light direction board, and the equipment of passive-types such as emergency light lacks the Intelligent Dynamic guiding apparatus with certain initiative.In case fire-fighting accidents such as breaking out of fire are probably because of evacuating the untimely casualties that causes.

Laser technology is introduced in personnel's evacuation equipment, a kind of laser escape indicating device is disclosed as Chinese utility model 00254794.5, utility model 200520042517.3 discloses a kind of fire emergency lamp that has laser designator, utility model 200720076169.0 discloses a kind of fire-fighting emergent guiding laser, or the like.But existing laser technology and corresponding product have only realized adopting the border note of laser technology as evacuation route, and product needed is disposed by hand-held or fixed installation corner mode along the line.This causes laser to dredge product installing and using inconvenience, limited the industrialized development of technology, further, has also limited laser and has dredged product in the networking application aspect interactive.

And aspect personnel's evacuation equipment linkage technique, domestic smoke alarm unit has only realized the network alarm function mostly at present, but the system interlink of lack of wisdom and disposal means.For example: in case the smog alarm in a certain zone detects unusual condition, alarm signal can only be delivered to the fire-fighting Central Control Room, can not trigger the fire fighting device and the safe evacuation equipment of relevant range, often need the operator on duty after the inspection of the scene of a crime, to determine follow-up work again, delay the disposal time, increased the possibility that loss enlarges.

Chinese invention patent application 200810120064.X discloses a kind of fire disaster escaping distribution type node guiding system based on radio sensing network, comprise that cloth is built in the sensor node in interior each corridor of building and passageway, connect by wireless network between each sensor node, each sensor node is connected with the node guide controller, and its core apparatus node guide controller comprises: node weight value initialization module, emergency release module, node weights adjusting module, node bootstrap module, channeling direction display module etc.But should invent in actual applications, power consumption is big, and the reliability of system information transmissions is low.Particularly, this technology exists the shortcoming of number of nodes limited (bus can only be supported 128 node devices at most) on the bus.If when being applied in the building such as large-scale, oversized market, office building, multiple host just need be set simultaneously to satisfy the big demand of number of nodes, the equipment input cost is big like this, the order wire great distance, on-the-spot interference is many, brings management difficulty to increase, and the efficiency of management also reduces, cause communication reliability, stability not high, cause the running quality of networked system to can not get guaranteeing.

Therefore, it is many that those skilled in the art is devoted to develop a kind of number of nodes, disposes flexibly, and adaptability is strong, the fire safety evacuation equipment that reliability is high.

Summary of the invention

Because the above-mentioned defective of prior art, it is flexible that technical problem to be solved by this invention provides a kind of deployment, and adaptability is strong, the fire safety evacuation equipment that reliability is high.

For achieving the above object, the invention provides the synchronous wireless fire safety evacuation equipment of a kind of acousto-optic, comprise a plurality of at least and the unit control device Wireless Networking, each described unit is connected with temperature-detecting device, mist detecting device signal respectively; Described unit comprises the network wireless transceiver module at least, and program board and being used to provides the laser of laser aiming figure to take place and control device, and described laser takes place to comprise a laser generator and eyeglass driven by stepper motors at least with control device; Be provided with removable pattern segments between described laser generator and the described eyeglass; Described unit also comprises audio playing apparatus.

In better embodiment of the present invention, described network wireless transceiver module is the ZigBee radio receiving transmitting module.

In better embodiment of the present invention, described unit is connected with described temperature-detecting device, described mist detecting device signal respectively by a cigarette sense input.

In better embodiment of the present invention, described unit also is provided with and is used for the multichannel toggle switch that the device address is set.Further, described unit comprises 8 road toggle switch, and wherein 7 described toggle switch are used to realize the ID address choice, and 1 described toggle switch is used for mode of operation and selects.

In better embodiment of the present invention, described program board carries mu balanced circuit.Described wireless fire safety evacuation equipment employing+24V DC power supply.

Equipment of the present invention is installed very easy, adopts chute guide rail mode to fixedly mount.Owing to adopt the ZigBee wireless network, can actually dispose flexibly according to on-the-spot, need not worry signal transmission issues, can also realize interlock control (can with system interconnections such as fire-fighting, security), improve the disposal efficiency of abnormal conditions.

Equipment of the present invention is done dynamic demonstration owing to increased stepper motor, utilize ripe stepper motor segmentation control technology, the laser image that projects ground is travelled forward with certain rhythm, cooperate laser controlling, form unidirectional clear and definite guide effect, the easier personnel that are in predicament of laser aiming pattern of projection are noted.Simultaneously, guide mode also can avoid personnel to get the position of extra exit wrong because of vision unclear (the guide board of luminescence generated by light can blur because of smog influence) dynamically, escape route is clear obvious, has improved the escape probability.

Equipment of the present invention also adopts the numeral voice synthetic technology, can play corresponding guide language according to field condition, reduces Field Force's intense strain, evacuates in order.

The present invention can effectively utilize original fire protection warning device to carry out upgrading, can effectively reduce user's cost when improving the security and guard technology level.Most at present smoke alarms all have on off state output (Chang Kai or normally off), and the present invention can directly detect the state of these alarms, makes full use of original warning device, reduce user's cost.

Comprehensive, the synchronous wireless fire safety evacuation equipment of acousto-optic of the present invention has been realized intelligent system interlink and initiatively indication, significantly improve safety standard, reducing casualties may, and the ability that possesses good Industry Promotion has realized that number of nodes is many, disposes flexibly, adaptability is strong, the beneficial effect that reliability is high.

Be described further below with reference to the technique effect of accompanying drawing, to understand purpose of the present invention, feature and effect fully design of the present invention, concrete structure and generation.

Description of drawings

Fig. 1 is the plan structure schematic diagram of unit in the present invention's one specific embodiment;

Fig. 2 is the side-looking structural representation of unit among Fig. 1;

Fig. 3 is the backsight structural representation of unit among Fig. 1.

The specific embodiment

Wireless fire safety evacuation equipment one specific embodiment that acousto-optic of the present invention is synchronous mainly comprises a plurality of and the unit 10 control device Wireless Networking.Each unit 10 is connected with 5 temperature detection sensors or Smoke Detection sensor (not shown) signal respectively.Each unit 10 is got in touch by ZigBee wireless network and control device.

In concrete enforcement, control device can be artificial Control Room, or intelligent monitoring device.

In conjunction with Fig. 1, Fig. 2, shown in Figure 3, unit 10 comprises program board 12 at least, and is used to provide the laser of laser aiming figure to take place and control device 13.The network wireless transceiver module is integrated on the program board 12, but is provided with an external antenna mouth 111, and external antenna mouth 111 is the SMA interface, is used for external whip antenna.

Laser takes place to comprise a laser generator 131 with control device 13, by the eyeglass 133 of stepper motor 132 drivings.Be provided with removable pattern segments 134 between laser generator 131 and the eyeglass 133.Unit 10 also comprises audio playing apparatus 14.

Audio playing apparatus 14 can have been prerecorded the guide language under the different situations, plays as required, or cooperates with laser guidance, or play separately.Such as false alarm or manoeuvre situation occurring, can play: " be manoeuvre now, please keep calm ".If fire or other emergencies, laser can be play when guiding: " please keep calm, not panic, guide direction to withdraw in order by the laser arrow ".

Especially, adopt the most responsive green semiconductor laser of human eye, the visual brightness height causes that easily personnel note, green also is to represent safety simultaneously, can the keeping tensions down mood.

Unit 10 is connected with temperature-detecting device, mist detecting device signal respectively by a cigarette sense input 15.Cigarette sense input 15 is the output of extraneous standard smoke alarm, and signal is switching signal (2 line systems, Chang Kai or normally closed), can connect 5 at most.By corresponding relation the end of a thread is inserted in the corresponding wiring hole in the use and get final product.As long as the state of cigarette sense signal changes, system promptly enters duty.

The configured port 17 of unit 10 is DB9/F (mother) socket, is used for carrying out the setting configuration of ZigBee radio receiving transmitting module, and other function settings and software upgrading.

Unit 10 also is provided with and is used for the multichannel toggle switch 16 that the device address is set.Further, in the present embodiment, comprise 8 road toggle switch, wherein 7 toggle switch are used to realize that the ID address far selects, 1 toggle switch is used for mode of operation and selects, can carry out the setting (can set 128) of device address, system configuration is selected (cooperating configuration software to use), and concrete switch is defined as follows:

(left side is a low level, and on off state=' ON ' is effective)

2 scale codings are adopted in being provided with of address, and the left side is a low level, and the right side is high-order, and the specific address code table is as follows:

The address

Switch 1

Switch 2

Switch 3

Switch 4

Switch 5

Switch 6

Switch 7

001

ON

OFF

002

OFF

ON

OFF

003

ON

OFF

004

OFF

ON

OFF

005

ON

OFF

ON

OFF

006

OFF

ON

OFF

007

ON

OFF

008

OFF

ON

OFF

009

0N

OFF

ON

OFF

010

OFF

ON

OFF

ON

OFF

011

ON

OFF

ON

OFF

012

OFF

ON

OFF

…

126

OFF

ON

127

ON

The power supply of system terminal adopts the direct current 24V power supply power supply of fire-fighting system, and power input 18 is the binding post of red, black 2 looks, and wherein red wiring termination positive source (20～28V), black wiring termination power ground.

The ZigBee technology that adopts among the present invention is a kind of being applied in the short-range, the wireless communication technology between the various electronic equipments under the low transmission data rate.This technology has the following advantages:

1, low in energy consumption: under the mode of operation situation, ZigBee technical transmission speed is low, and transmitted data amount is very little, so the transmitting-receiving time of signal is very short.Secondly, when non-operating mode, the ZigBee node is in park mode.Equipment search time delay is generally 30ms, and it is 15ms that dormancy activates time delay, and vehicular equipment channel access delay is 15ms.Because the working time is short, the power consumption of receiving and sending messages is lower and adopted park mode, make the very power saving of ZigBee node, the battery working time of ZigBee node can reach about 6 months to 2 years.

2, transfer of data is reliable: the media access control layer of ZigBee (MAC layer) adopts the collision-avoidance mechanism of talk-when-ready.Under the data transmission mechanism of this full confirmation, when data transfer needs, then transmit at once, each packet of transmission all must be waited for recipient's affirmation information, and carries out confirmation and reply.Just do not represent collision has taken place if obtain the answer of confirmation, will pass again once, adopt this method can improve the reliability of system information transmissions.Simultaneously for to need the communication service of fixed-bandwidth to reserve dedicated time slot, competition and conflict when having avoided sending data.Simultaneously, ZigBee should be used as optimization at delay sensitive, and the time delay that communication delay and resting state activate is all very short.Generally change duty over to from sleep and only need 15ms, the node connection enters network only needs 30ms.Compare bluetooth Technology Need 3～10s, WiFi Technology Need 3s in the existent technique.

3, network capacity is big: the characteristics of ZigBee low rate, low-power consumption and short-distance transmission make its very suitable simple Devices of supporting.The network of a ZigBee includes 255 ZigBee networking nodes at most, and one of them is master control (Master) equipment, and all the other then are subordinate (Slave) equipment.If by network coordinator (Network Coordinator), whole network can support to surpass 64000 ZigBee networking nodes at most, adding each Network Coordinator can be connected to each other, and the number of whole ZigBee network node will be very considerable.

4, compatible good: ZigBee technology and existing control network standard are seamless integrated.(Coordinator) sets up network automatically by network coordinator, adopts carrier sense/collision detection (CSMA-CA) mode to carry out channel and inserts.For reliable delivery, also provide full Handshake Protocol.

5, cost is low: the ZigBee message transmission rate is low, and agreement is simple, so greatly reduce cost.And exempt from patent fee.

6, safe: ZigBee provides data integrity inspection and authentication functions, adopts the AES-128 AES.AES can be used for protected data payload and prevent that the assailant from pretending to be legal device

7, environmental protection: because effective coverage range is between 10～75 meters, actual emission power is very little, gap working method simultaneously, and the most of the time node is in resting state, and wireless radiation is quite low.

8, working frequency range is flexible: use frequency range as 2.4GHz, 868MHz (Europe) and 915MHz (U.S.), be unlicensed band.

The workflow that sets of the present invention below is described:

Under normal circumstances, each unit detects the state of 5 cigarette senses or temp probe in real time, means promptly that when state changes one of them or several sensors detect smog or temperature is too high.

At this moment, program board continue to detect the state of external sensor, simultaneously warning information is reported Centroid by the ZigBee network, carries out integrated treatment by the host computer of Centroid.

Detect alarm status as program board and continue for some time (duration can be provided with adjustment according to actual conditions), or receive the work order that above-mentioned Centroid issues, program board is promptly opened the power supply of laser instrument, and the control step motor is by the preset program motion simultaneously.

At this moment, stepper motor drives eyeglass the guide figure of laser beam through forming after the pattern segments is projected on the ground, plays the corresponding voice suggestion that records in advance in the loudspeaker simultaneously.This duty lasts till that Centroid issues till ' quitting work ' instruction.

When system monitored the state of 5 cigarette senses or temp probe simultaneously, system was in the low-power consumption duty at ordinary times, only test section and the work of ZigBee network interruption, the about 2W of the power consumption of whole system (standby), the about 9W of power consumption during the alarm duty.

Main inventive concept of the present invention is:

By dynamic and intelligent indication and network alarm management, utilize laser diffraction technology to project laser aiming figure clearly.

Use the digital motor control technology that this laser aiming figure is dynamically projected on the ground, provide the escape route of clear and definite to guide to people.Simultaneously because laser scattering effect in smog, light beam is also arranged together significantly aloft in indication escaping direction dynamically.

Use the numeral voice synthetic technology,, guide people's escape according to virtual condition play cuing voice.

Simultaneously, utilization ZigBee wireless self-networking, to central control room report and alarm state, allow the operator on duty can in time understand presence states, and the operator on duty can (the PC end of central control room can gather the warning information of each terminal to report according to warning level, carrying out logic judges, provide corresponding warning prompt information, to reduce false alarm rate), issue control instruction by this wireless network to whole mansion or some floor, last corresponding evacuation director forced working allows the related personnel in time evacuate.

More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variations.Therefore, all technical staff in the art all should be in claim protection domain of the present invention under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims

1. the wireless fire safety evacuation equipment that acousto-optic is synchronous comprises a plurality of and the unit control device Wireless Networking at least, and each described unit is connected with temperature-detecting device, mist detecting device signal respectively; It is characterized in that: described unit comprises the network wireless transceiver module at least, program board and being used to provides the laser of laser aiming figure to take place and control device, and described laser takes place to comprise a laser generator and eyeglass driven by stepper motors at least with control device; Be provided with removable pattern segments between described laser generator and the described eyeglass; Described unit also comprises audio playing apparatus.

2. the synchronous wireless fire safety evacuation equipment of acousto-optic as claimed in claim 1 is characterized in that: described network wireless transceiver module is the ZigBee radio receiving transmitting module.

3. the synchronous wireless fire safety evacuation equipment of acousto-optic as claimed in claim 1 is characterized in that: described unit is connected with described temperature-detecting device, described mist detecting device signal respectively by a cigarette sense input.

4. the synchronous wireless fire safety evacuation equipment of acousto-optic as claimed in claim 1 is characterized in that: described unit also is provided with and is used for the multichannel toggle switch that the device address is set.

5. the synchronous wireless fire safety evacuation equipment of acousto-optic as claimed in claim 4, it is characterized in that: described unit comprises 8 road toggle switch, and wherein 7 described toggle switch are used to realize the ID address choice, and 1 described toggle switch is used for mode of operation and selects.

6. the synchronous wireless fire safety evacuation equipment of acousto-optic as claimed in claim 1, it is characterized in that: described program board carries mu balanced circuit.

7. the synchronous wireless fire safety evacuation equipment of acousto-optic as claimed in claim 1 is characterized in that: described wireless fire safety evacuation equipment employing+24V DC power supply.