CN105892538A - Intelligent terminal for constructing active fire-fighting system and smart building, and intelligent terminal system - Google Patents
Intelligent terminal for constructing active fire-fighting system and smart building, and intelligent terminal system Download PDFInfo
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Abstract
The invention relates to an intelligent terminal for constructing active fire-fighting system and smart building. The intelligent terminal includes a housing, a microprocessor, a communication module, an active fire-fighting perceiving module and an air quality monitoring module, wherein the microprocessor, a communication module, the active fire-fighting perceiving module and the air quality monitoring module form an integral whole on the housing; the active fire-fighting perceiving module, the air quality monitoring module and the communication module are connected with the microprocessor; the active fire-fighting perceiving module includes a combustible gas and smog concentration sensor, a temperature sensor, and a gyro sensor which is used for monitoring building structural vibration and building structure attitude so as to judge whether the building structure is safe; and the air quality monitoring module includes a TVOC air quality sensor and a PM sensor. The intelligent terminal for constructing active fire-fighting system and smart building is comprehensive in functions, can help people to effectively monitor the important fire-fighting influencing factor, the air quality influencing factor and the environmental influencing factor which cannot be digitalized or have lower sensitivity, and can reflect the monitoring result to a mobile terminal of a user to enable people to conveniently and comprehensively know about the safety and comfort situation of the monitored area.
Description
Technical field
The present invention relates to a kind of collection active fire detection and early warning, Detection of Air Quality and early warning, environmental monitoring and
The intelligent terminal of the functions such as early warning, household or office equipment remote measuring and controlling and intelligent terminal system.
Background technology
Wisdom building is the concept proposed under internet high development background, and the final purpose of wisdom building is to allow
The work of people, living environment are more comfortable, convenient, safety.
Along with the raising of human consumption's demand, the requirement also development to house wisdom.The wisdom building of today
System has more abundant content, and system configuration also becomes increasingly complex.Current wisdom building covers each
Aspect, including network access system, guard against theft and alarm system, fire protection alarm system, TV talkback door lock system,
Gas leakage detection system, remote meter reading (water meter, ammeter, gas meter) system, emergency help system, remote
Journey medical diagnosis and nursing system, indoor electric appliance automatic control and management and development system, central cooling heating system,
On-line shopping system, voice and fax (Email) service system, line education systems, Stock-operation system
System, video request program, pay television system, cable television system etc., various fresh nouns are increasingly becoming intelligence
The part of intelligent building.
Existing wisdom building products on comprehensive analysis Vehicles Collected from Market, they are all the products of function singleness, such as,
Installing the camera of networking, it can only allow people know the active situation that monitored area is concrete, no by viewing image
But the time of consuming and substantial amounts of flow, and, this mode is unfavorable to privacy.In the controlling party to indoor electric appliance
Face, main product in the market, it is simply that by making smart machine learn appliance remote control code, then allow intelligence
Energy equipment plays the function of remote controller.
In a word, product relevant to component wisdom building in the market is a lot, but function is the most single, it is impossible to
Realize real Based Intelligent Control.
Summary of the invention
The technical problem to be solved is to provide a kind of intelligent terminal for building wisdom building.
First, the present invention provides a kind of and can realize fire-fighting and air quality active perception and the intelligent terminal of early warning.
The present invention is achieved through the following technical solutions its goal of the invention: one is used for building active fire system and intelligence
The intelligent terminal of intelligent building, forms overall microprocessor, a communication mould including shell with being arranged on shell
Block, active fire sensing module and air quality monitoring module, described active fire sensing module, air quality
Monitoring modular is connected with described microprocessor respectively with described communication module；
Described active fire sensing module includes fuel gas and smokescope sensor, temperature sensor, and
For monitoring building structure vibrations, building structure attitude to judge the gyrosensor of building structure whether safety,
The present invention uses gyrosensor to monitor the vibrations of building structure, the attitude of building structure, the most highly sensitive,
And volume can be the smallest and the most exquisite；
Described air quality monitoring module includes TVOC air mass sensor and PM sensor, current with monitoring
The air quality affecting parameters bigger to health threat generally acknowledged；
Described microprocessor is configured to, by described active fire sensing module and described air quality monitoring mould
Block collects the information of parameter relating to security against fire and air quality, then with default about security against fire and sky
The threshold values of makings amount is compared, and by described communication module by the evaluation result after the information collected and comparison
It is sent to cloud server and/or mobile terminal.
Described temperature sensor is infrared temperature inductor.
Described TVOC air mass sensor is concentration of formaldehyde sensor.
Described PM sensor includes PM1 sensor, PM2.5 sensor, PM10 sensor.
Described intelligent terminal also includes alarm module, described alarm module install on the housing with described micro-place
Reason machine is connected, and described threshold values includes that alarm level line, described microprocessor are configured to, and exceedes in described parameter
During its alarm level line, during the most dangerous situation, send restricted speed signal by described alarm module, remind attached
The existence of person of modern times group's hazards, in order to take safety measures as early as possible.
Described intelligent terminal also includes environment monitoring module, described environment monitoring module install on the housing with
Described microprocessor is connected, and described environment monitoring module includes barometric pressure sensor and humidity sensor, described
Microprocessor is configured to, and is collected the information of the parameter relating to amenity by described environment monitoring module, so
Compare with the default threshold values about amenity afterwards, and by described communication module by collect information and
Evaluation result after comparison is sent to described cloud server and/or mobile terminal.
Intelligent terminal of the present invention is also expanded with anti-theft security function, and main performance is as follows:
Described intelligent terminal also includes that infrared sensor of the human body, described infrared sensor of the human body are arranged on described shell
Above with described microprocessor, described microprocessor is configured to, and is monitored by described infrared sensor of the human body perception
Whether region has people, and by described communication module, result is sent to described cloud server and/or moves eventually
End.Described intelligent terminal also includes that image capture module, described image capture module include that several CMOS image
Head, described CMOS camera is arranged on the not coplanar of described shell, in order to monitored area is carried out comprehensive bat
Taking the photograph, described image capture module also includes video field row split circuit, and hardware binarization circuit, and described CMOS takes the photograph
As the vision signal of head output exports described hardware binarization circuit after described video field row split circuit, described
Hardware binarization circuit exports after the picture signal that described video field row split circuit exports is carried out binary conversion treatment again
To described microprocessor, described microprocessor is configured to, and obtains monitored area by described image capture module
Image information, according to the personal information in described image information identification monitored area, then by described communication
Described personal information is sent to described cloud server and/or mobile terminal by module.
Described intelligent terminal also includes that image capture module, described image capture module include that several CMOS image
Head, described CMOS camera is arranged on the not coplanar of described shell, in order to monitored area is carried out comprehensive bat
Taking the photograph, described image capture module also includes video field row split circuit, in order to protect the privacy of people, and described figure
Also include hardware binarization circuit as acquisition module, the vision signal of described CMOS camera output is through described video field
After row split circuit, output is to described hardware binarization circuit, and described video field row is separated by described hardware binarization circuit
The picture signal of circuit output exports described microprocessor, described microprocessor quilt after carrying out binary conversion treatment again
It is configured to, is obtained the image information of monitored area by described image capture module, distinguish according to described image information
Know the personal information in monitored area, then by described communication module, described personal information is sent to described cloud
End server and/or mobile terminal.Described personal information has included whether people, personnel amount and personnel activity's track.
Anti-theft security function of the present invention uses infrared sensor of the human body and the assembled scheme of image capture module, solves
By infrared sensor of the human body can only identification personnel with or without, and the problem of more detailed personal information cannot be provided,
Use infrared sensor of the human body and image capture module combination, utilize the sensing results correction of infrared sensor of the human body
The identification result of image capture module, solves CMOS camera to light sensitive, when illumination deficiency, and may
The problem that reliability is the highest occurs, is embodied in:
Described microprocessor is configured to, and utilizes the sensing results of described infrared sensor of the human body to adopt described image
The identification result of collection module carries out calibration, if both personnel judge inconsistent with or without information, then and adjusting ambient light
According to, then reacquired the image information of monitored area by described image capture module, according to reacquire
Personal information in image information identification monitored area, in order to the personal information of a front identification is modified,
And by described communication module, revised described personal information is sent to described cloud server and/or movement
Terminal.
Described microprocessor obtains the detailed process of described personal information:
1) uncalibrated image is obtained
By human body infrared inductor sense monitored area nobody time, periodically update monitored area nobody time mark
Determine image, described uncalibrated image be by obtained by described CMOS camera in monitored area nobody time background
Image；
2) behavioral characteristics is isolated
When sensing that there is people monitored area by human body infrared inductor, stop updating described uncalibrated image, pass through
CMOS camera periodically gathers the image of monitored area, each two field picture and the described demarcation that will periodically gather
Image carries out first difference, isolates the present image behavioral characteristics compared to described uncalibrated image；
3) identification causes whether the object of described behavioral characteristics is people
According to intelligent terminal from monitored area monitoring basal plane distance, the image-region to monitored area, then,
According to the ratio that described behavioral characteristics is shared in its affiliated area, it is judged that whether its representative object may be
People；
If judging, the object that described behavioral characteristics represents may be as people, by the image phase after described first difference processes
Carry out second order difference between adjacent frame, according to the difference condition between two images, determine what described behavioral characteristics represented
Whether object is people；
4) positional information of people is obtained
Image after processing first difference carries out binary conversion treatment again, and image gridding after processing, with
Just identify coordinate, described image after binary conversion treatment again is carried out expansion process, to form connected domain,
Even if the image of behavioral characteristics described in expansion process image is full of its grid dabbled, with commissarial dynamically
The centre coordinate of the connected domain that feature is corresponding is as the coordinate of this people；
5) personnel amount information is confirmed
Calculate the quantity of commissarial connected domain, obtain the personnel amount information in monitored area；
6) personnel activity's trace information is confirmed
The center of connected domain commissarial in each two field picture is carried out described point, then by all of in seclected time section
Described point connects sequentially in time, and the point finally these connected is loaded on described uncalibrated image, obtains personnel
Event trace information.
Intelligent terminal of the present invention can also realize the remote measuring and controlling of equipment, is mainly realized by following technical characteristic:
Described intelligent terminal also includes infrared module, described infrared module install on the housing with described micro-place
Reason machine is connected, and described infrared module includes that infrared transmission module and infrared receiving module, described microprocessor are joined
It is set to, receives, by described infrared receiving module, the infrared signal that remote controller sends, learn described remote controller corresponding
Infrared coding, to obtain the function identical with described remote controller；
Described microprocessor is additionally configured to, and according to control instruction, launches same institute by described infrared transmission module
State remote controller and there is outside equal red the infrared signal of coding, in order to by described intelligent terminal directly control originally by
The equipment that described remote controller controls.
Described microprocessor is configured to, and according to control instruction, is output a control signal to by described communication module
Management of power use intelligence load governor, controls cut-offfing of the described management of power use each passage of intelligence load governor, from
And control to be obtained the duty of the equipment of working power by described management of power use intelligence load governor, obtain
Or configure the power consumption parameter of the described management of power use each passage of intelligence load governor.
Described intelligent terminal can obtain described control instruction in the following way:
Described microprocessor is configured to, and receives described cloud server by described communication module and/or moves eventually
The control instruction that end sends.
For strengthening Consumer's Experience, described intelligent terminal also includes sound identification module, and described sound identification module is pacified
Dress is connected with described microprocessor on the housing, and described microprocessor is configured to, and is known by described voice
Other module obtains the phonetic control command of user, in order to carry out associative operation, and by the execution of described associative operation
Result feeds back to user by described sound identification module, to realize man-machine voice interface.
As another kind of interaction mode, described shell is also equipped with the LED of different colours, described LED
Being connected with described microprocessor, described microprocessor is configured to, by controlling the switch, bright of described LED
Degree and color are to realize the interaction with user.
Described communication module includes following one or more: WIFI module, ZigBee module, bluetooth module etc..
The present invention also provides for a kind of intelligent terminal system being made up of described intelligent terminal, described intelligent terminal system
Including described intelligent terminal, more than one management of power use intelligence load governor, router, cloud server
And/or mobile terminal, described mobile terminal is connected with described router by internet or WLAN, described
Router is connected with described intelligent terminal by WLAN with described management of power use intelligence load governor.
Relative to prior art, there is advantages that 1) intelligent terminal complete function of the present invention,
The mankind can be helped effectively to monitor can not digitize or important fire-fighting influence factor that susceptibility is poor, air quality shadow
Ring factor, environmental impact factor, and monitoring result can be reacted to the mobile terminal of user, make the people can be square
The most comprehensively understand the safety of monitored area, internal consistency of general comfort；
2) intelligent terminal of the present invention is being monitored while above-mentioned influence factor, also by their monitor value with preset
Threshold values is compared, and then the evaluation result after comparison is sent to mobile terminal or alarm module, on the one hand energy
Intuitively inform the present situation of its index being concerned about of user (fire-fighting, control quality, environment), can also carry in time simultaneously
The user that wakes up is dangerous or existence to healthy disadvantageous index, in order to user or related personnel take measures as early as possible；
3) intelligent terminal of the present invention arranges infrared module, can be by the infrared volume of the automatic purpose learning remote controller of infrared module
Code, thus play the function identical with remote controller, on the other hand, intelligent terminal of the present invention can be with management of power use intelligence
Can coordinate by load governor, it is achieved the remote measuring and controlling of multiple electrical equipment；
4) intelligent terminal of the present invention arranges sound identification module, can realize man-machine voice interface, supports voice control
System, promotes Consumer's Experience；
5) intelligent terminal of the present invention uses composite construction, supports wireless telecommunications, reduces numerous and diverse connection, letter
Change complicated installation and debugging work.
Accompanying drawing explanation
Fig. 1 is the communication system overall construction drawing of intelligent terminal of the present invention；
Fig. 2 is the structured flowchart of the intelligent terminal of present pre-ferred embodiments；
Fig. 3 be intelligent terminal of the present invention output evaluation result and collection information on mobile terminals display effect
Fruit figure；
Fig. 4 is the minimum system circuit diagram of the microprocessor of the intelligent terminal selection of present pre-ferred embodiments；
Fig. 5 is the circuit theory diagrams of the AC 12V DC change-over circuit of the intelligent terminal of present pre-ferred embodiments；
Fig. 6 is the circuit theory diagrams of the 12V 5V change-over circuit of the intelligent terminal of present pre-ferred embodiments；
Fig. 7 is the circuit theory diagrams of the 5V 3.3V change-over circuit of the intelligent terminal of present pre-ferred embodiments；
Fig. 8 is fuel gas and the circuit theory diagrams of Smoke Sensor of the intelligent terminal of present pre-ferred embodiments；
Fig. 9 is the circuit theory diagrams of the concentration of formaldehyde sensor of the intelligent terminal of present pre-ferred embodiments；
Figure 10 is the circuit theory diagrams of the voice recognition chip of the intelligent terminal of present pre-ferred embodiments；
Figure 11 is the power between voice recognition chip and the horn interface of the intelligent terminal of present pre-ferred embodiments
The circuit theory diagrams of amplifying circuit；
Figure 12 is the circuit theory diagrams of the image capture module of the intelligent terminal of present pre-ferred embodiments；
Figure 13 is the circuit theory diagrams of the Wifi module of the intelligent terminal of present pre-ferred embodiments.
Detailed description of the invention
Fig. 1 is the communication system overall construction drawing of intelligent terminal of the present invention, as it is shown in figure 1, the present invention uses intelligence
Terminal is as central controller, constructing local network based on wifi (or ZigBee, bluetooth) agreement.Local
In net, user can connect premise router by the app on intelligent terminal, by sending control instruction on app
To central controller, each as the management of power use intelligence load governor of intelligent switch by central controller controls
Cut-offfing of passage, thus realize to association electric equipment (such as: air inlet system, exhaust system, spray system,
Ultraviolet lamp system etc.) control.Long-distance user can be by logging in WEB server, after authorizing identity validation,
Add internet, by central controller, intelligent switch, it is achieved the remote measurement of electric equipment, the remote control to association.
Intelligent switch in Fig. 1 is the existing product on market, for ST series ac zero-crossing point without electric arc fulgurite
Any number of electrical equipment objects can be carried out On-line Control, and realize energy monitoring by reason energy load governor.
Fig. 2 is the structured flowchart of the intelligent terminal of the specific embodiment of the invention, and intelligent terminal of the present invention uses wifi
Constructing local network based on agreement.
The procotol that wisdom building system is conventional compares
Building wisdom based on internet communication platform building, the communication modes of intelligent terminal mainly has: wifi leads to
News, bluetooth communication and ZigBee communication.For these several communication modes, table 1 has done related introduction and has compared.
Table 1
| Technical name | ZigBee | Wifi | Bluetooth |
| Transmission speed | 100kbps | 11‐300Mbps | 1Mbps |
| Communication distance | 10‐100m | 10‐200m | 10‐20m |
| Frequency range | 2.4GHz,915MHz,868MHz | 2.4GHz, 5GHz | 2.4GHz |
| Security | High | Low | High |
| Power consumption | 5ma | 10‐50ma | 20ma |
By the contrast of information above, in conjunction with the feature of the wifi being widely used at present, intelligent terminal of the present invention is first
Select wireless wifi as communication platform, ZigBee and bluetooth as selective radio channel, wifi module power supply
Use+12Vdc or 110--220Vac.
The industry-standard protocol that wifi uses is IEEE 802.11.IEEE802.11 agreement high-band is a width of
11Mbps, can adjust in the case of signal is more weak or noisy automatically, it is ensured that the reliability of network is with stable
Property.In the case of opening, communication distance is up to 305 meters, up to 76 meters to 122 meters under encapsulation situations,
Can be with all kinds of 3G, 4G, 5G, GPRS such as wired Ethernet or China Mobile, CHINAUNICOM, China Telecom
Coordinate etc. data channel, build the communication systems of internet+intelligence system.As in figure 2 it is shown, the present embodiment is intelligent
Microprocessor (i.e. single-chip microcomputer in Fig. 2) is included on terminal composition, communication module and active fire sensing module,
Air quality monitoring module, environment monitoring module, active fire sensing module, air quality monitoring module, ring
Border monitoring modular is connected with microprocessor respectively with communication module.Certainly, outside the present embodiment intelligent terminal also includes
Shell, above-mentioned parts are arranged in or beyond described shell on shell, to form an entirety.
In Fig. 2, active fire sensing module mainly includes smokescope and combustible gas in detecting monitored area
The fuel gas of bulk concentration and smokescope sensor, for measuring the temperature sensor of environment temperature, be used for supervising
Survey mounting structure such as building structure vibrations, the gyrosensor of building structure attitude.
In Fig. 2, air quality monitoring module mainly includes concentration of formaldehyde sensor.Certainly, in other embodiments
In can also include PM sensor, such as pm2.5, pm10, pm1 sensor.
In Fig. 2, environment monitoring module mainly includes barometric pressure sensor, humidity sensor.
Microprocessor is collected each by active fire sensing module, air quality monitoring module, environment monitoring module
Plant fire-fighting influence factor, air quality influence factor, the information of environmental impact factor, then with internal preset
Threshold values such as alarm level line is compared, and by communication module by the evaluation result after comparison and the information of collection
It is sent to mobile terminal, in order to play the function of safe early warning.Display effect figure such as Fig. 3 institute on mobile terminal
Show.
The intelligent terminal of the present embodiment is also configured with alarm module, and alarm module is arranged on shell and microprocessor
It is connected.When monitor value at microprocessor monitoring to certain influence factor exceedes its alarm level line, i.e. monitor danger
In the presence of danger, sending restricted speed signal by described alarm module, such as acousto-optic alerting signal etc., even, difference is former
The warning of cause sends different restricted speed signals, as concentration of formaldehyde exceeds standard, and corresponding a kind of sound and light signal, and combustible gas
Body or smokescope exceed standard, corresponding another kind of sound and light signal.This function is mainly used in prompting, and to be positioned at intelligent terminal attached
The existence of near crowd's hazards, in order to take safety measures as early as possible.
Intelligent terminal of the present invention also has anti-theft security function, main by infrared sensor of the human body and IMAQ mould
Block realizes.
Infrared sensor of the human body is arranged on shell and is connected with microprocessor, and microprocessor passes through human-body infrared sensing
Whether device perception monitored area has people, and by communication module, result is sent to mobile terminal.Employing human body is red
Whether someone has a benefit in outer sensor perception monitored area, and it is not limited by light, can also enter at night
Row accurately judges.Its shortcoming is, can only determine whether people, and cannot provide more detailed information.To this end,
The present invention is additionally provided with CMOS camera.
The present invention arranges four CMOS camera, and CMOS camera is arranged on the not coplanar of shell, in order to prison
Surveying region and carry out omnidirectional shooting, in order to protect the privacy of people, image capture module of the present invention is not by shooting
Original image directly inputs microprocessor, but is input to microprocessor after it is carried out hardware binarization process again.
Microprocessor, by the image information of the monitored area of input, the personal information in identification monitored area, then leads to
Cross communication module and described personal information is sent to mobile terminal.Here personal information be primarily referred to as whether having people,
Personnel amount and personnel activity's track.
CMOS camera is the most sensitive to light, and when light is more weak, the image information being input to microprocessor can
Energy cannot accurate discrimination.The present invention uses infrared sensor of the human body and CMOS camera collaborative work, utilizes human body
Infrared sensor carries out calibration to by the human bioequivalence result of CMOS camera, to guarantee to be imaged by CMOS
The head particularly reliability of identification in dark surrounds, and can be in time to the wisdom behavior such as turning on light the need of active
Decision-making foundation is provided.
Microprocessor, by the image through binary conversion treatment of input, has recognized whether that people, personnel amount, personnel live
The personal informations such as dynamic track.
Detailed process is as follows:
1) uncalibrated image is obtained
By human body infrared inductor sense monitored area nobody time, every five seconds for example automatically update monitored area without
Uncalibrated image during people, described uncalibrated image is unmanned in monitored area by obtained by described CMOS camera
Time background image.
2) behavioral characteristics is isolated
When sensing that there is people monitored area by human body infrared inductor, stop updating described uncalibrated image, pass through
CMOS camera periodically gathers the image of monitored area, and will periodically gather (as 1S gathers once) is each
Two field picture and described uncalibrated image carry out first difference, isolate present image moving compared to described uncalibrated image
State feature.
3) identification causes whether the object of described behavioral characteristics is people
Monitor the distance of basal plane (referring generally to ground), the image to monitored area from monitored area according to intelligent terminal
Compartmentalization, general intelligence terminal installation site is the highest, and it is the most remote that monitoring basal plane leaves intelligent terminal, the region of division
Just should be the most.When as liftoff in intelligent terminal 3 meters, divide an image into 64 lattice, when liftoff 5 meters, image is drawn
It is divided into 128 lattice, or the image of position near intelligent terminal is divided into 64 lattice, and will be far from intelligent terminal i.e.
Image at the marginal position of monitored area is divided into 128 lattice.Then, according to described behavioral characteristics district belonging to it
Ratio shared in territory, it is judged that whether its representative object may be people.Owing to the frequency of picture collection is higher,
The present image caused by shade or some wisps such as insect etc. is compared to the distinction of uncalibrated image namely institute
Stating behavioral characteristics, ratio shared in respective regions is relatively low, can directly get rid of and cause the right of described behavioral characteristics
As the possibility for people, the accuracy that this step makes the intelligent terminal of the present invention judge is higher so that it is judged result
Relatively reliable.
If judging, the object that described behavioral characteristics represents may be as people, by the image phase after described first difference processes
Carry out second order difference between adjacent frame, according to the difference condition between two images, determine what described behavioral characteristics represented
Whether object is people.
4) positional information of people is obtained
Image after processing first difference carries out again binary conversion treatment, and (binary conversion treatment again here is relative
For hardware binarization processing procedure above), and will process after image gridding, in order to mark coordinate,
The most really position fixing, carries out expansion process to described image after binary conversion treatment again, to be formed
Connected domain, even if the image of behavioral characteristics described in expansion process image is full of its grid dabbled, to represent
The centre coordinate of the connected domain that the behavioral characteristics of people is corresponding is as the coordinate of this people.
5) personnel amount information is confirmed
Calculate the quantity of commissarial connected domain, obtain the personnel amount information in monitored area.
6) personnel activity's trace information is confirmed
The center of connected domain commissarial in each two field picture is carried out described point, then by all of in seclected time section
Described point connects sequentially in time, and the point finally these connected is loaded on described uncalibrated image, obtains personnel
Event trace information.
In the monitored area causing resolution rate variance due to background color or light problem, can use at 256 gray processings
Reason mode substitutes described hardware binarization processing procedure.Even can take to arrange in microprocessor (DSP) simultaneously
Binary conversion treatment functional module and gray processing process functional module, then by microprocessor according to the situation of resolution, spirit
Live and allocate.
The present invention, after identifying personal information, also can arrange alarm mechanism, as special people such as elderly persons of no family
During group's monitoring, carry out behavioural analysis, be in unreasonable position and/or certain time perceiving monitored object
During transfixion, start alarm mechanism.
Intelligent terminal of the present invention also has home wiring control function.Home wiring control function is mainly by infrared module and control
Intelligent switch realizes.
Microprocessor, after receiving control instruction, can control intelligent switch according to control instruction by communication module
Cut-offfing of each passage, thus control to be obtained the duty of equipment of working power by intelligent switch, obtain or
The power consumption parameter of the configuration each passage of intelligent switch, or the function of remote controller is played by infrared module, control each red
The duty of outer remote control equipment.
Described infrared module is arranged on shell and is connected with microprocessor.Described infrared module includes infrared emission mould
Block and infrared receiving module, microprocessor receives, by described infrared receiving module, the infrared signal that remote controller sends,
Learn the infrared coding that described remote controller is corresponding, to obtain the function identical with described remote controller, receive control
After instruction, launched by described infrared transmission module, with described remote controller, there is the infrared signal of coding outside equal red,
Originally the equipment such as RTV remote television controlled by described remote controller will pass through intelligent terminal directly to control, air-conditioning etc..
Microprocessor can obtain control instruction in several ways, it is achieved with the interaction of people.
Microprocessor can receive, by communication module, the control instruction that mobile terminal is sent, also by coupled
Sound identification module obtains phonetic control command, to realize the voice interface with people.
Sound identification module is arranged on shell, mainly by voice recognition chip, MIC (microphone), loudspeaker group
Becoming, MIC, loudspeaker are connected with voice recognition chip, and voice recognition chip is connected with microprocessor.
Microprocessor obtains the phonetic control command of user by sound identification module, in order to carry out associative operation,
According to as described in phonetic control command intelligent switch is issued control command, it is achieved various voice control functions, example
As, control light, blower fan, water pump, purifier, disaster alarm etc., and holding described associative operation
Row result feeds back to user by sound identification module again, it is achieved man-machine voice interface.
As another kind of interaction mode, shell is also equipped with the LED of three kinds of different colours, the reddest,
Green, blue, described LED is connected with described microprocessor, the switch of LED described in micro processor controls and bright
Degree, the interaction of colour lamplight Yu user to realize terminal.
The particular circuit configurations of the intelligent terminal each several part of in lower Fig. 2 embodiment is described below.
Microprocessor
The present embodiment select main micro processor model be STM32f103rc (can also be other any energy meet this
The microprocessor that invention design requires), its feature: kernel: ARM32 position Cortex-M3CPU, high workload
Frequency 72MHz, 1.25DMIPS/MHz, Micro Energy Lose: 3 kinds of low-power consumption modes: dormancy, stop, standby mode,
There is the VBAT powered for RTC (Real-Time Clock) and back-up registers.Micro-place that the present embodiment is selected
The minimum system circuit of reason machine as shown in Figure 4, mainly includes JTAG download circuit, reset circuit, clock circuit.
Power circuit
Power supply requirement can be used the lithium battery of embedding as power supply or to be directly connected to civil power and obtain by intelligent terminal of the present invention
Take power supply, when there being civil power, civil power carry all energy consumptions, give described lithium cell charging simultaneously, work as city
During electricity disappearance, automatically switch to by lithium battery power supply, it is ensured that intelligent terminal is at the normal monitoring function of outage.
Have employed three grades of DC voltages inside intelligent terminal, wherein the driving voltage of LED drive chip is 12V, sensor
Supply voltage to be the supply voltage of 5V, microprocessor and storage chip be 3.3V, the most stable power supply
The stable operation of system, and the reliability of sensing data transmission are ensured.
AC 12V DC change-over circuit
Supply voltage in intelligent terminal is designed as 12V (can also be the voltage of other grades), therefore, intelligence
The power circuit of terminal needs 110Vac-220Vac alternating current is converted into 12v direct current.The present invention is mainly led to
Crossing HF switch and complete Power convert, the schematic diagram of change-over circuit is as shown in Figure 5.
12V 5V change-over circuit
The conversion of 12V to 5V is mainly realized by switch type buck regulator LM2576T, circuit theory diagrams such as Fig. 6
Shown in.This voltage stabilizing chip can drive the load of 3A, generally need not outer radiation fin, and it is referring to
Under conditions of determining input voltage and output loading, can guarantee that the error of output voltage in ± 4%, and oscillator
The error of frequency is in ± 10%.
5V 3.3V change-over circuit
The present invention mainly uses low-power consumption voltage stabilizing chip AMS1117 to realize the conversion of 5V to 3.3V, and change-over circuit is former
Reason figure is as shown in Figure 7.Low-power consumption voltage stabilizing chip AMS1117 is a low voltage difference three terminal regulator IC, output electricity
Stream: 1A, pressure reduction: 5mV representative value, super low-power consumption: 2uA, output voltage 3.3V, output voltage precision: ±
2%, chip package: SOT89, TO-92, SOT23, is highly suitable for the power supply of the electronic products such as security protection fire-fighting
Conversion.
The selection of the present embodiment sensor and circuit structure thereof
The present embodiment intelligent terminal is by temperature sensor, humidity sensor, baroceptor, fuel gas and smog
Sensor, concentration of formaldehyde sensor, sound identification module etc. are integrated within one device, by all the sensors
Information focuses on, and efficiently solves the wide variety that the product of conventional construction wisdom building exists, function singleness
Problem, contribute to user to the Centralizing inspection of architectural environment and management.
Infrared temperature inductor
The temperature sensor that the present embodiment uses is infrared temperature inductor.The present embodiment mid-infrared temperature inductor
Model is MLX90614.MLX90614 is a infrared non-contact thermometer.Collect in TO-39 Metal Packaging simultaneously
Infrared induction thermopile detector chip and signal transacting special integrated chip are become.Put owing to being integrated with low noise
Big device, 17 analog-digital converters and powerful digital signal processing unit so that high accuracy and the temperature of high-resolution
Degree meter is achieved.
Common thermometric mode can be divided into contact and contactless, and contact temperature-measuring can only measure testee and survey
Temperature sensor reaches the temperature after thermal balance, so the response time is long, and is easily affected by environment temperature；And
Infrared measurement of temperature is the temperature that the infrared energy according to testee determines object, does not contacts with testee,
Have and do not affect testee Temperature Distribution, and temperature resolution height, fast response time, temperature-measuring range are wide, steady
The qualitative feature such as good.
Infrared sensor of the human body
The present embodiment selects model to be the infrared sensor of the human body of HC-SR501, and this infrared sensor of the human body uses
LHI778 heat releases infrared induction probe, highly sensitive, highly reliable, supports ELV mode of operation, its work
Being 4.5-20v as voltage, operating temperature is-30-70 degree Celsius.
Fuel gas and Smoke Sensor
Fuel gas and Smoke Sensor are supporting according to indoor fire-fighting monitoring current standard, for monitoring the smog of indoor
Concentration and combustable gas concentration.When indoor smokescope or combustable gas concentration are above standard state, in time
Make early warning, forecast.
Fig. 8 is the circuit theory diagrams of the present embodiment fuel gas and Smoke Sensor, as it can be seen, MQ-2 is one
Money gas sensor, the gas sensitive that it is used is the tin ash that electrical conductivity is relatively low in clean air
(SnO2).When there is fuel gas in sensor local environment, the electrical conductivity of sensor is with combustible gas in air
The increase of bulk concentration and increase, so using simple circuit the change of electrical conductivity to be converted to and this gas
The signal of telecommunication output that concentration is corresponding.
MQ-2 gas sensor to liquefied gas, propane, hydrogen highly sensitive, to natural gas and other flammable steaming
The detection of vapour is the most highly desirable.This sensor can detect multiple imflammable gas, is a applicable multiple application
Low cost sensor.
Concentration of formaldehyde sensor
Research shows, formaldehyde is to have carcinogenic danger.Therefore in building, the detection of formaldehyde gas has weight
Want meaning.The present embodiment selects MS1100-P111 sensor assembly as the main portion of concentration of formaldehyde sensor
Part.MS1100-P111 sensor assembly selects MS1100 to be core sensor probe.MS1100 is a half
Conductor type VOC gas sensor, has high sensitivity and stability, it is possible to detecting more than 0.01ppm's
Gas, it is adaptable to the formaldehyde in detection air, benzene, the multiple volatile organic components such as dimethylbenzene, compact,
Fast response time, it is possible to ensureing the on-line monitoring of content of formaldehyde in indoor environment, its supply voltage is 5V, work
Making electric current 100ma, detectable concentration scope is 0-1000ppm, and operating temperature is-10-60 degree.The present embodiment formaldehyde
The circuit theory diagrams of concentration sensor are as shown in Figure 9.
Vibrating sensor
Vibrating sensor is used for detecting the vibration of building structure (being directly anchored to architectural by intelligent terminal of the present invention)
The attitude of frequency, Oscillation Amplitude and structure and change thereof, reach to monitor building structure stability and the mesh of security
's.In the present embodiment, specifically chosen electronic gyroscope is as building construction vibration, the detection list of building structure attitude
Unit, its model MPU-6000, it is 6 axle motion gyrounits, compared to multicompartment scheme, eliminates combination top
The problem of between centers difference when spiral shell instrument and accelerator, reduces volume.
Humidity sensor
The present embodiment humidity detection selects digital integral Temperature Humidity Sensor DHT11, and it is a containing calibrating
The humiture compound sensor of data signal output.The digital module acquisition technique of its application specific and humiture pass
Sense technology, it is ensured that product has high reliability and remarkable stability.Sensor includes a resistance-type sense
Wet element and a NTC temperature element, and be connected with 8 microprocessor of a high-performance.Therefore this product
Have that quality brilliance, super fast response, antijamming capability be strong, cost performance pole advantages of higher.Each DHT11 senses
Device is all calibrated in extremely accurate humidity verification room.Calibration factor is stored in OTP (One with the form of program
Time Programmable) in internal memory, sensor internal to call these schools in the processing procedure of detection signal
Quasi-coefficient.
Atmospheric gas pressure sensor
Atmospheric pressure selects BMP180 baroceptor, and it is the pressure of a high accuracy, small size, super low energy consumption
Force snesor, can apply in mini-plant, and precision can reach 0.03hpa, and power consumption is extremely low, only
3uA, BMP180 use 8-pin ceramic leadless chip carrying Ultrathin packaging, can by iic bus directly with
Various microprocessors are connected.Pressure limit: 300-1100hpa (height above sea level 9000 meters arrives height above sea level-500 meters), power supply
Voltage: 1.8-3.6v, IIC interface, temperature self-compensation.
Voice recognition chip
The present embodiment intelligent terminal selects LD3320 voice recognition chip to be the speech recognition unit of man-machine conversation.Should
Integrated chip voice recognition processor and some external circuits, including 16 AD, D/A converter, microphones
Interface, voice output interface etc..Chip need not external any companion chip such as flash, ram etc., directly collects
Become in existing product, i.e. can realize speech recognition/acoustic control/good in interactive function.And the keyword identified
Language list can the most dynamically be edited, and therefore can be supported several scenes by a system.Identify the most permissible every time
Arranging 50 candidates and identify that sentence, each identification sentence can be individual character, phrase or punctuate, length is less than 10
Individual Chinese character or the pinyin string of 79 bytes.Support parallel and serial interface.Support MP3 playing function, it is not necessary to outer
Enclosing additional device, MP3 data are once sent into LD3320 chip internal by microprocessor just can corresponding from chip
PIN exports sound.LD3320 work power supply is 3.3V, and circuit theory diagrams are as shown in Figure 10.
The voice output of speech chip, to horn interface, in order to ensure the tonequality of sound, adds power amplification circuit,
As shown in figure 11.
Image capture module
Four groups of CMOS camera selected by the present embodiment intelligent terminal, in order to avoid setting foot in privacy concern, and camera
Design only detects whether indoor have people, and the quantity of people and event trace, therefore the present embodiment is defeated by camera
The vision signal gone out, first after video field row split circuit processes, forms picture signal, then by described picture signal
Output is to hardware binarization circuit, in order to carrying out binary conversion treatment, the image after process exports microprocessor, micro-
Processor is by analyzing the image after incoming binary conversion treatment, identification monitored area such as indoor personal information.
The video field row separating chips selected is the chip LM1 in LM1881 i.e. Figure 12.
The parameter list of the present embodiment sensor
Table 2
In the present embodiment, the mode of microprocessor collection sensing data mainly has two kinds, and IIC gathers and AD gathers.
Had an infrared temperature sensor by the sensor of iic bus communication, barometric pressure sensor, humidity sensor and
Gyro sensor.Fuel gas and Smoke Sensor and concentration of formaldehyde sensor then take AD acquisition mode.With
The increase of smog or concentration of formaldehyde, collect magnitude of voltage and can become big, go out concentration and voltage by experimental fit
Change curve, the relation finding out correspondence can obtain the concentration information of smog and formaldehyde.
Wifi module
The present embodiment intelligent terminal selects EMW3280 two-forty outlet wifi transparent transmission module, and module have employed industry
Up-to-date high-performance radio-frequency chipset, and be integrated with ICP/IP protocol stack and WIFI and drive, utilizes it can be real
Show terminal inner sensor and process circuit and external device and internetwork wireless telecommunications, and supporting WIFI
WEP/WAP/WAP2 encryption, it is adaptable between embedded device and PC, or between multiple embedded device
Wireless telecommunications.The present embodiment Wifi module can also select EMW3165,3162, circuit theory diagrams such as Figure 13
Shown in.
Sensor involved by specific embodiment of the invention part or chip, including, but not limited to institute in specification
The model of row, any sensor that can realize said function or integrated circuit, could be used for the present invention.
Claims (13)
1. one kind is used for building active fire system and the intelligent terminal of wisdom building, it is characterised in that outside including
Shell forms an overall microprocessor, communication module, active fire sensing module and sky with being arranged on shell
Makings amount monitoring modular, described active fire sensing module, air quality monitoring module and described communication module divide
It is not connected with described microprocessor；
Described active fire sensing module includes fuel gas and smokescope sensor, temperature sensor, and
For monitoring building structure vibrations, building structure attitude to judge the gyrosensor that building structure is the safest；
Described air quality monitoring module includes TVOC air mass sensor and PM sensor；
Described microprocessor is configured to, by described active fire sensing module and described air quality monitoring mould
Block collects the information of parameter relating to security against fire and air quality, then with default about security against fire and sky
The threshold values of makings amount is compared, and by described communication module by the evaluation result after the information collected and comparison
It is sent to cloud server and/or mobile terminal.
Intelligent terminal the most according to claim 1, it is characterised in that described temperature sensor is infrared temperature
Degree inductor；
Described TVOC air mass sensor is concentration of formaldehyde sensor；
Described PM sensor includes PM1 sensor, PM2.5 sensor, PM10 sensor.
Intelligent terminal the most according to claim 1 and 2, it is characterised in that described intelligent terminal also includes
Alarm module, the installation of described alarm module is connected with described microprocessor on the housing, and described threshold values includes
Alarm level line, described microprocessor is configured to, and when described parameter exceedes its alarm level line, i.e. exists
During dangerous situation, send restricted speed signal by described alarm module.
Intelligent terminal the most according to claim 3, it is characterised in that described intelligent terminal also includes environment
Monitoring modular, the installation of described environment monitoring module is connected with described microprocessor on the housing, described environment
Monitoring modular includes that barometric pressure sensor and humidity sensor, described microprocessor are configured to, by described
Environment monitoring module collects the information of the parameter relating to amenity, then with the default valve about amenity
Value is compared, and the evaluation result after the information of collection and comparison is sent to described by described communication module
Cloud server and/or mobile terminal.
Intelligent terminal the most according to claim 1, it is characterised in that described intelligent terminal also includes human body
Infrared sensor, described infrared sensor of the human body install on the housing with described microprocessor, described micro-place
Reason machine is configured to, and whether has people by described infrared sensor of the human body perception monitored area, and result is passed through
Described communication module is sent to described cloud server and/or mobile terminal.
Intelligent terminal the most according to claim 5, it is characterised in that described intelligent terminal also includes image
Acquisition module, described image capture module includes that several CMOS camera, described CMOS camera are arranged on
On the not coplanar of described shell, in order to monitored area carries out omnidirectional shooting, described image capture module also wraps
Including video field row split circuit, and hardware binarization circuit, the vision signal of described CMOS camera output is through described
After video field row split circuit, output is to described hardware binarization circuit, and described hardware binarization circuit is by described video field
The picture signal of row split circuit output exports described microprocessor, described micro-place after carrying out binary conversion treatment again
Reason machine is configured to, and is obtained the image information of monitored area by described image capture module, according to described image
Personal information in information identification monitored area, is then sent to described personal information by described communication module
Described cloud server and/or mobile terminal.
Intelligent terminal the most according to claim 6, it is characterised in that described microprocessor is configured to,
The sensing results utilizing described infrared sensor of the human body carries out calibration to the identification result of described image capture module,
If both personnel judge inconsistent with or without information, then adjusting ambient illumination, then by described IMAQ mould
Block reacquires the image information of monitored area, according to the people in the image information identification monitored area reacquired
Member's information, in order to the personal information of a front identification is modified, and by described communication module by after correction
Described personal information be sent to described cloud server and/or mobile terminal.
Intelligent terminal the most according to claim 6, it is characterised in that described personal information has included whether
People, personnel amount and personnel activity's track；
Described microprocessor obtains the detailed process of described personal information:
1) uncalibrated image is obtained
By human body infrared inductor sense monitored area nobody time, periodically update monitored area nobody time mark
Determine image, described uncalibrated image be by obtained by described CMOS camera in monitored area nobody time background
Image；
2) behavioral characteristics is isolated
When sensing that there is people monitored area by human body infrared inductor, stop updating described uncalibrated image, pass through
CMOS camera periodically gathers the image of monitored area, each two field picture and the described demarcation that will periodically gather
Image carries out first difference, isolates the present image behavioral characteristics compared to described uncalibrated image；
3) identification causes whether the object of described behavioral characteristics is people
According to intelligent terminal from monitored area monitoring basal plane distance, the image-region to monitored area, then,
According to the ratio that described behavioral characteristics is shared in its affiliated area, it is judged that whether its representative object may be
People；
If judging, the object that described behavioral characteristics represents may be as people, by the image phase after described first difference processes
Carry out second order difference between adjacent frame, according to the difference condition between two images, determine what described behavioral characteristics represented
Whether object is people；
4) positional information of people is obtained
Image after processing first difference carries out binary conversion treatment again, and image gridding after processing, with
Just identify coordinate, described image after binary conversion treatment again is carried out expansion process, to form connected domain,
Even if the image of behavioral characteristics described in expansion process image is full of its grid dabbled, with commissarial dynamically
The centre coordinate of the connected domain that feature is corresponding is as the coordinate of this people；
5) personnel amount information is confirmed
Calculate the quantity of commissarial connected domain, obtain the personnel amount information in monitored area；
6) personnel activity's trace information is confirmed
The center of connected domain commissarial in each two field picture is carried out described point, then by all of in seclected time section
Described point connects sequentially in time, and the point finally these connected is loaded on described uncalibrated image, obtains personnel
Event trace information.
9. according to the intelligent terminal described in claim 7 or 8, it is characterised in that described intelligent terminal also includes
Infrared module, the installation of described infrared module is connected with described microprocessor on the housing, described infrared module
Including infrared transmission module and infrared receiving module, described microprocessor is configured to, by described infrared receiver
Module receives the infrared signal that remote controller sends, and learns the infrared coding that described remote controller is corresponding, to obtain and institute
State the function that remote controller is identical；
Described microprocessor is additionally configured to, and according to control instruction, launches same institute by described infrared transmission module
State remote controller and there is outside equal red the infrared signal of coding, in order to by described intelligent terminal directly control originally by
The equipment that described remote controller controls.
Intelligent terminal the most according to claim 9, it is characterised in that described microprocessor is configured to,
According to control instruction, output a control signal to management of power use intelligence load governor by described communication module, control
Make cut-offfing of the described management of power use each passage of intelligence load governor, thus control by described management of power use intelligence
Load governor obtains the duty of the equipment of working power, obtains or configure described management of power use intelligence load
The power consumption parameter of each passage of controller；
Described microprocessor is configured to, and receives described cloud server by described communication module and/or moves eventually
The control instruction that end sends.
11. intelligent terminals according to claim 10, it is characterised in that described intelligent terminal also includes language
Sound identification module, described sound identification module is installed and is connected with described microprocessor on the housing, described micro-
Processor is configured to, and is obtained the phonetic control command of user by described sound identification module, in order to carry out phase
Close operation, and the execution result of described associative operation is fed back to user by described sound identification module, with reality
Existing man-machine voice interface.
12. intelligent terminals according to claim 11, it is characterised in that be also equipped with not on described shell
With the LED of color, described LED is connected with described microprocessor, and described microprocessor is configured to, logical
Cross and control the switch of described LED, brightness and color to realize the interaction with user.
13. 1 kinds of intelligent terminal systems being made up of the intelligent terminal described in claim 1～12 any one claim
System, described intelligent terminal system includes described intelligent terminal, more than one management of power use intelligence load governor,
Router, cloud server and/or mobile terminal, described mobile terminal is by internet or WLAN and institute
Stating router to be connected, described router and described management of power use intelligence load governor are by WLAN and institute
State intelligent terminal to be connected.
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