CN105892538B - Intelligent terminal and intelligent terminal system for building active fire system and wisdom building - Google Patents

Intelligent terminal and intelligent terminal system for building active fire system and wisdom building Download PDF

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Publication number
CN105892538B
CN105892538B CN201610255962.0A CN201610255962A CN105892538B CN 105892538 B CN105892538 B CN 105892538B CN 201610255962 A CN201610255962 A CN 201610255962A CN 105892538 B CN105892538 B CN 105892538B
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China
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module
intelligent terminal
microprocessor
image
infrared
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CN201610255962.0A
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Chinese (zh)
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CN105892538A (en
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郑贵林
汪体成
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郑贵林
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00Simultaneous control of variables covered by two or more of the preceding main groups
    • G05D27/02Simultaneous control of variables covered by two or more of the preceding main groups characterised by the use of electric means

Abstract

A kind of intelligent terminal for building active fire system and wisdom building, form microprocessor, communication module, active fire sensing module and the air quality monitoring module of an entirety on the shell including shell and installation, active fire sensing module, air quality monitoring module and communication module are connected with microprocessor respectively;Active fire sensing module includes fuel gas and smokescope sensor, temperature sensor, and for monitor building structure vibrations, building structure posture so as to judge building structure whether the gyrosensor of safety;Air quality monitoring module includes TVOC air quality sensors and PM sensors.Intelligent terminal of the present invention is full-featured, the mankind can be helped, which effectively to monitor, cannot digitize or important fire-fighting influence factor that susceptibility is poor, air quality influence factor, environmental impact factor, and monitoring result can be reacted to the mobile terminal of user, so that people is facilitated safety, the internal consistency of general comfort for comprehensively understanding monitoring region.

Description

Intelligent terminal and intelligent terminal for building active fire system and wisdom building System
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 early warning, The intelligent terminal and intelligent terminal system of the functions such as household or office equipment remote measuring and controlling.
Background technology
Wisdom building is the concept proposed under internet high development background, and the final purpose of wisdom building allows people Work, living environment are more comfortably, conveniently, safely.
With the raising of human consumption's demand, the requirement to house wisdom also continues to develop.The wisdom Architecture Department of today System possesses abundanter content, and system configuration also becomes increasingly complex.Current wisdom building covers various aspects, including net Network access system, fire protection alarm system, TV talkback door lock system, gas leakage detection system, is remotely copied at anti-theft alarm system Table (water meter, ammeter, gas meter) system, emergency help system, distance medical diagnosis and nursing system, indoor electric appliance automatically control Management and development system, central cooling heating system, on-line shopping system, voice and fax (Email) service system, net Upper educational system, Stock-operation system, video on demand, pay television system, cable television system etc., various fresh nouns It is increasingly becoming the component part of wisdom building.
Existing wisdom building products on comprehensive analysis Vehicles Collected from Market, they are all the products having a single function, for example, installation The camera of networking, it can only allow people by watch image know monitoring the specific activity condition in region, not only expend the time and A large amount of flow, moreover, this mode is unfavorable to privacy.In the control aspect to indoor electric appliance, mainstream production currently on the market Then product allow smart machine to play the function of remote controler exactly by making smart machine learn appliance remote control code.
In short, it is many with the relevant product of component wisdom building currently on the market, but function is all very single, can not achieve Real intelligent control.
Invention content
Technical problem to be solved by the invention is to provide a kind of intelligent terminals for building wisdom building.
First, the present invention, which provides, a kind of 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 kind is used to build active fire system and wisdom is built The intelligent terminal built, including shell and installation form the microprocessor, communication module, active fire sense of an entirety on the shell Know module and air quality monitoring module, the active fire sensing module, air quality monitoring module and the communication module It is connected respectively with the microprocessor;
The active fire sensing module includes fuel gas and smokescope sensor, temperature sensor, and is used for Monitoring building structure vibrations, building structure posture so as to judge building structure whether the gyrosensor of safety, the present invention uses Gyrosensor monitors the posture of the vibrations of building structure, building structure, not only high sensitivity, and volume can be skilful with very little;
The air quality monitoring module includes TVOC air quality sensors and PM sensors, currently generally acknowledged with monitoring The air quality affecting parameters larger to health threat;
The microprocessor is configured as, and is received by the active fire sensing module and the air quality monitoring module Collection be related to security against fire and air quality parameter information, then with the preset threshold values about security against fire and air quality Be compared, and by the communication module by the evaluation result after the information of collection and comparison be sent to cloud server and/ Or mobile terminal.
The temperature sensor is infrared temperature sensor.
The TVOC air quality sensors are concentration of formaldehyde sensor.
The PM sensors include PM1 sensors, PM2.5 sensors, PM10 sensors.
The intelligent terminal further includes alarm module, alarm module installation on the housing with the microprocessor It is connected, the threshold values includes alarm level line, and the microprocessor is configured as, and is more than its alarm level line in the parameter When, i.e., dangerous situation when, restricted speed signal is sent out by the alarm module, reminds the presence of crowd's risk factor nearby, To take safety measures as early as possible.
The intelligent terminal further includes environment monitoring module, environment monitoring module installation on the housing with it is described Microprocessor is connected, and the environment monitoring module includes barometric pressure sensor and humidity sensor, the microprocessor by with It is set to, the information for the parameter for being related to amenity is collected by the environment monitoring module, then relax about environment with preset Suitable threshold values is compared, and the evaluation result after the information of collection and comparison is sent to the cloud by the communication module Hold server and/or mobile terminal.
Intelligent terminal of the present invention, which also extends, anti-theft security function, and main performance is as follows:
The intelligent terminal further includes infrared sensor of the human body, infrared sensor of the human body installation on the housing with The microprocessor, the microprocessor are configured as, by the infrared sensor of the human body perceive monitoring region whether someone, And result is sent to the cloud server and/or mobile terminal by the communication module.The intelligent terminal further includes Image capture module, described image acquisition module include several CMOS cameras, and the CMOS camera is mounted on described outer In the different sides of shell, to carry out omnidirectional shooting to monitoring region, described image acquisition module further includes the separation of video field row The vision signal of circuit and hardware binarization circuit, the CMOS camera output exports after the video field row split circuit To the hardware binarization circuit, the picture signal that the hardware binarization circuit exports the video field row split circuit carries out two It is output to the microprocessor again after value processing, the microprocessor is configured as, and is obtained by described image acquisition module The image information for monitoring region monitors the personal information in region according to described image information identification, then passes through the communication The personal information is sent to the cloud server and/or mobile terminal by module.
The intelligent terminal further includes image capture module, and described image acquisition module includes several CMOS cameras, The CMOS camera is mounted in the different sides of the shell, to carry out omnidirectional shooting, described image to monitoring region Acquisition module further includes video field row split circuit, further includes hardware to protect the privacy of people, described image acquisition module The vision signal of binarization circuit, the CMOS camera output is output to the hardware two after the video field row split circuit It is worth circuit, after the picture signal progress binary conversion treatment that the hardware binarization circuit exports the video field row split circuit again It is output to the microprocessor, the microprocessor is configured as, and the figure in monitoring region is obtained by described image acquisition module As information, the personal information in region is monitored according to described image information identification, then by the communication module by the people Member's information is sent to the cloud server and/or mobile terminal.The personal information includes whether someone, personnel amount and people Member's event trace.
Anti-theft security function of the present invention uses the assembled scheme of infrared sensor of the human body and image capture module, solves logical Personnel can only be recognized whether there is or not red using human body and the problem of can not provide more detailed personal information by crossing infrared sensor of the human body Outer sensor and image capture module combination, the identification of image capture module is corrected using the sensing results of infrared sensor of the human body As a result, solving CMOS camera to light sensitive, in illumination deficiency, in fact it could happen that the not high problem of reliability, specific body Now:
The microprocessor is configured as, and mould is acquired to described image using the sensing results of the infrared sensor of the human body The identification result of block carries out calibration, if the personnel of the two judge inconsistent whether there is or not information, then adjusting ambient illumination passes through institute The image information that image capture module reacquires monitoring region is stated, is recognized in monitoring region according to the image information of reacquisition Personal information, to be modified to the preceding personal information once recognized, and by the communication module by revised institute It states personal information and is sent to the cloud server and/or mobile terminal.
The detailed process that the microprocessor obtains the personal information is:
1) uncalibrated image is obtained
By human body infrared inductor sense monitoring region nobody when, periodically update monitoring region nobody when calibration Image, the uncalibrated image be by by the CMOS camera obtain monitor region nobody when background image;
2) behavioral characteristics are isolated
When sensing monitoring region someone by human body infrared inductor, stops updating the uncalibrated image, pass through CMOS The image in camera periodically acquisition monitoring region, each frame image periodically acquired and the uncalibrated image is carried out primary Difference isolates behavioral characteristics of the present image compared to the uncalibrated image;
3) identification causes whether the object of the behavioral characteristics is people
According to intelligent terminal with a distance from monitoring area monitoring basal plane, to monitoring the image-region in region, then, root According to behavioral characteristics ratio shared in its affiliated area, judge whether the object representated by it may be people;
If judging, the object that the behavioral characteristics represent may be people, will treated that image is adjacent through the first difference Second order difference is carried out between frame, according to the difference condition between two images, determine object that the behavioral characteristics represent whether be People;
4) location information of people is obtained
Binary conversion treatment again carried out to first difference treated image, and will that treated is image gridding, so as to Coordinate is identified, expansion process is carried out to the image after binary conversion treatment again, to form connected domain, even if expansion process The image of behavioral characteristics described in image is full of its grid dabbled, in the corresponding connected domain of commissarial behavioral characteristics Coordinate of the heart coordinate as the people;
5) confirm personnel amount information
The quantity for calculating commissarial connected domain obtains the personnel amount information in monitoring region;
6) confirm personnel activity's trace information
Described point is carried out to the center of commissarial connected domain in each frame image, is then retouched all in seclected time period Point connects sequentially in time, and finally the point that these have connected is loaded on the uncalibrated image, obtains personnel activity track letter Breath.
Intelligent terminal of the present invention can also realize the remote measuring and controlling of equipment, mainly be realized by following technical characteristic:
The intelligent terminal further includes infrared module, infrared module installation on the housing with the microprocessor It is connected, the infrared module includes infrared transmission module and infrared receiving module, and the microprocessor is configured as, by described Infrared receiving module receives the infrared signal that remote controler is sent out, and learns the corresponding infrared coding of the remote controler, with acquisition and institute State the identical function of remote controler;
The microprocessor is additionally configured to, and according to control instruction, is emitted with described distant by the infrared transmission module Control utensil has the infrared signal of identical infrared coding, is directly controlled originally by the remote controler control with will pass through the intelligent terminal The equipment of system.
The microprocessor is configured as, and according to control instruction, electricity consumption is output a control signal to by the communication module The intelligent load governor of management, controls cut-offfing for each channel of power consumption management intelligence load governor, to which control passes through institute The working condition that power consumption management intelligence load governor obtains the equipment of working power is stated, the power consumption management intelligence is obtained or configure The power consumption parameter in each channel of energy load governor.
The intelligent terminal can obtain the control instruction in the following way:
The microprocessor is configured as, and the cloud server and/or mobile terminal are received by the communication module The control instruction sent out.
To enhance user experience, the intelligent terminal further includes sound identification module, and the sound identification module is mounted on It is connected with the microprocessor on the shell, the microprocessor is configured as, and is obtained and is used by the sound identification module The implementing result of the relevant operation to carry out relevant operation, and is passed through the speech recognition by the phonetic control command at family Module feedback is to user, to realize man-machine voice interface.
As another interaction mode, be also equipped with the LED light of different colours on the shell, the LED light with it is described Microprocessor is connected, and the microprocessor is configured as, by control switch, brightness and the color of the LED light with realize with The interaction of user.
The communication module includes following one or more:WIFI module, ZigBee module, bluetooth module etc..
The present invention also provides a kind of intelligent terminal system being made of the intelligent terminal, the intelligent terminal system includes The intelligent terminal, more than one power consumption management intelligence load governor, router, cloud server and/or mobile terminal, The mobile terminal is connected by internet or WLAN with the router, the router and the power consumption management intelligence Energy load governor is connected by WLAN with the intelligent terminal.
Compared with the existing technology, the present invention has the advantages that:1) intelligent terminal of the present invention is full-featured, can help The mankind's important fire-fighting influence factor that effectively monitoring cannot digitize or susceptibility is poor, air quality influence factor, environment shadow The factor of sound, and monitoring result can be reacted to the mobile terminal of user, so that people is facilitated and comprehensively understands monitoring region Safety, internal consistency of general comfort;
2) intelligent terminal of the present invention is while monitoring above-mentioned influence factor, also by their monitor value and preset threshold values It is compared, the evaluation result after comparison is then transmitted to mobile terminal or alarm module, on the one hand can intuitively inform user It is concerned about index (fire-fighting, control quality, environment) present situation, while can also remind user dangerous in time or to health it is unfavorable Index presence, so that user or related personnel take measures as early as possible;
3) infrared module is arranged in intelligent terminal of the present invention, can by the infrared coding of the automatic purpose learning remote controller of infrared module, To play function identical with remote controler, on the other hand, intelligent terminal of the present invention can be with power consumption management intelligence load governor Cooperation, realizes the remote measuring and controlling of a variety of electric appliances;
4) sound identification module is arranged in intelligent terminal of the present invention, can realize man-machine voice interface, supports voice control, carries Rise user experience;
5) intelligent terminal of the present invention uses composite construction, supports wireless telecommunications, reduces complicated connection, simplifies complicated Installation and debugging work.
Description of the drawings
Fig. 1 is the communication system overall construction drawing of intelligent terminal of the present invention;
Fig. 2 is the structure diagram of the intelligent terminal of present pre-ferred embodiments;
The display effect of the information for the evaluation result and acquisition that Fig. 3 exports for intelligent terminal of the present invention on mobile terminals Figure;
Fig. 4 is the minimum system circuit diagram for the microprocessor that the intelligent terminal of present pre-ferred embodiments is selected;
Fig. 5 is the circuit diagram of the AC-12V DC conversion circuits of the intelligent terminal of present pre-ferred embodiments;
Fig. 6 is the circuit diagram of the 12V-5V conversion circuits of the intelligent terminal of present pre-ferred embodiments;
Fig. 7 is the circuit diagram of the 5V-3.3V conversion circuits of the intelligent terminal of present pre-ferred embodiments;
Fig. 8 is the fuel gas of the intelligent terminal of present pre-ferred embodiments and the circuit diagram of smoke sensor device;
Fig. 9 is the circuit diagram of the concentration of formaldehyde sensor of the intelligent terminal of present pre-ferred embodiments;
Figure 10 is the circuit diagram of the voice recognition chip of the intelligent terminal of present pre-ferred embodiments;
Figure 11 is that the power between the voice recognition chip and horn interface of the intelligent terminal of present pre-ferred embodiments is put The circuit diagram of big circuit;
Figure 12 is the circuit diagram of the image capture module of the intelligent terminal of present pre-ferred embodiments;
Figure 13 is the circuit diagram of the Wifi modules of the intelligent terminal of present pre-ferred embodiments.
Specific implementation mode
Fig. 1 is the communication system overall construction drawing of intelligent terminal of the present invention, as shown in Figure 1, the present invention uses intelligent terminal It is basic constructing local network with wifi (or ZigBee, bluetooth) agreement as central controller.User can pass through intelligence in LAN App connection premise routers in energy terminal pass through center and control by sending control instruction on app to central controller Device controls cut-offfing for power consumption management each channel of intelligence load governor as intelligent switch, is set to associated electric appliance to realize For (such as:Air inlet system, exhaust system, spray system, ultraviolet lamp system etc.) control.Remote user can be by logging in WEB clothes Internet is added after authorizing identity validation in business device, by central controller, intelligent switch, realizes to associated electrical equipment Telemetering, remote control.
Intelligent switch in Fig. 1 is existing product in the market, is ST series ac zero-crossing point without electric arc power consumption management intelligence Energy load governor can carry out On-line Control to any number of electric appliance objects, and realize energy monitoring.
Fig. 2 is the structure diagram of the intelligent terminal of the specific embodiment of the invention, and intelligent terminal of the present invention uses wifi agreements For basic constructing local network.
The common procotol of wisdom building system compares
The wisdom building based on internet communication platform is built, the communication modes of intelligent terminal mainly have:Wifi is communicated, blue Tooth communicates and ZigBee communications.For these types of 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
Safety It is high It is low It is high
Power consumption 5ma 10‐50ma 20ma
Pass through the comparison of information above, in conjunction with the characteristics of the wifi being widely used at present, intelligent terminal first choice nothing of the present invention Line wifi is as communication platform, ZigBee and bluetooth alternatively property radio channel, wifi module power supply use+12Vdc or 110--220Vac。
The industry-standard protocol that wifi is used is IEEE 802.11.IEEE802.11 agreement highest bandwidth is 11Mbps, It can adjust automatically in the case of signal is weaker or noisy, it is ensured that the reliability and stability of network.In the case of opening Communication distance differs under encapsulation situations up to 76 meters to 122 meters up to 305 meters, can with wired Ethernet or China Mobile, The data channel such as all kinds of 3G, 4G, 5G, the GPRS such as China Unicom, China Telecom are coordinated, and the communication of internet+intelligence system is built System.As shown in Fig. 2, the present embodiment intelligent terminal composition on include microprocessor (i.e. microcontroller in Fig. 2), communication module with Active fire sensing module, air quality monitoring module, environment monitoring module, active fire sensing module, air quality monitoring Module, environment monitoring module and communication module are connected with microprocessor respectively.Certainly, the present embodiment intelligent terminal further includes outer Shell, above-mentioned component are mounted in or beyond the shell on shell, to form an entirety.
In Fig. 2, active fire sensing module includes mainly dense for detecting smokescope and fuel gas in monitoring region The fuel gas and smokescope sensor of degree are used for the temperature sensor of measuring environment temperature, for monitoring mounting structure such as Building structure vibrations, building structure posture gyrosensor.
In Fig. 2, air quality monitoring module includes mainly concentration of formaldehyde sensor.Certainly, may be used also in other embodiments To include PM sensors, such as pm2.5, pm10, pm1 sensors.
In Fig. 2, environment monitoring module includes mainly barometric pressure sensor, humidity sensor.
Microprocessor collects various disappear by active fire sensing module, air quality monitoring module, environment monitoring module Anti- influence factor, air quality influence factor, the information of environmental impact factor, then with the threshold values of internal preset such as alarm level Line is compared, and the information of evaluation result and collection after comparison is sent to mobile terminal by communication module, to rise To the function of safe early warning.Display renderings on mobile terminal are as shown in Figure 3.
The intelligent terminal of the present embodiment is also configured with alarm module, alarm module installation on the shell with microprocessor phase Even.When the monitor value of microprocessor monitoring to certain influence factor is more than its alarm level line, that is, in the presence of monitoring danger, lead to It crosses the alarm module and sends out restricted speed signal, such as acousto-optic alerting signal, even, the warning of different reasons sends out different warnings Signal, if concentration of formaldehyde is exceeded, a kind of corresponding sound and light signal, and fuel gas or smokescope are exceeded, corresponding another kind acousto-optic Signal.The function is mainly used for reminding the presence for the crowd's risk factor being located near intelligent terminal, to take safety as early as possible Measure.
Intelligent terminal of the present invention also has anti-theft security function, mainly passes through infrared sensor of the human body and image capture module It realizes.
Infrared sensor of the human body installation is connected with microprocessor on the shell, and microprocessor passes through infrared sensor of the human body sense Know monitoring region whether someone, and result is sent to mobile terminal by communication module.It is perceived using infrared sensor of the human body Monitoring region, whether someone is there are one benefit, it is not limited by light, and accurate judgement can also be carried out at night.Its shortcomings that It is that can only judge whether someone, and more detailed information can not be provided.For this purpose, the present invention is additionally provided with CMOS camera.
Four CMOS cameras are arranged in the present invention, and CMOS camera is mounted in the different sides of shell, so as to monitoring section Domain carries out omnidirectional shooting, in order to protect the privacy of people, image capture module of the present invention the original image of shooting is directly not defeated Enter microprocessor, but microprocessor is input to again after carrying out hardware binarization processing to it.Microprocessor passes through input The image information in region is monitored, then the personal information in identification monitoring region is sent out the personal information by communication module It is sent to mobile terminal.Here personal information be primarily referred to as whether someone, personnel amount and personnel activity track.
CMOS camera is more sensitive to light, and when light is weaker, the image information for being input to microprocessor may nothing Method accurate discrimination.The present invention is cooperated using infrared sensor of the human body and CMOS camera, utilizes infrared sensor of the human body pair Calibration is carried out by the human bioequivalence result of CMOS camera, to ensure especially to distinguish in dark surrounds by CMOS camera The reliability of knowledge, and can be in time to whether the wisdom behavior that needs actively to turn on light etc. provides decision-making foundation.
Microprocessor recognizes whether someone, personnel amount, personnel activity's rail by the image through binary conversion treatment of input The personal informations such as mark.
Detailed process is as follows:
1) uncalibrated image is obtained
By human body infrared inductor sense monitoring region nobody when, every five seconds for example automatically update primary monitoring region nobody When uncalibrated image, the uncalibrated image be by by the CMOS camera obtain monitor region nobody when Background Picture.
2) behavioral characteristics are isolated
When sensing monitoring region someone by human body infrared inductor, stops updating the uncalibrated image, pass through CMOS The image in camera periodically acquisition monitoring region, by each frame image and the mark of periodically (such as 1S acquisitions are primary) acquisition Determine image and carry out first difference, isolates behavioral characteristics of the present image compared to the uncalibrated image.
3) identification causes whether the object of the behavioral characteristics is people
According to intelligent terminal with a distance from monitoring area monitoring basal plane (referring generally to ground), to monitoring the image-region in region Change, general intelligence terminal installation site is higher, and monitoring basal plane leaves that intelligent terminal is remoter, and the region of division just should be more.Such as intelligence Can terminal it is 3 meters liftoff when, divide an image into 64 lattice, at liftoff 5 meters, divide an image into 128 lattice, or will be near intelligent terminal Image at position is divided into 64 lattice, and will be far from the image that intelligent terminal monitors at the marginal position of region and be divided into 128 lattice. Then, the ratio shared in its affiliated area according to the behavioral characteristics, judges whether the object representated by it may be people. Since the frequency of picture collection is higher, by shade or some wisps present image as caused by insect etc. compared to uncalibrated image Distinction namely the behavioral characteristics, shared ratio is relatively low in corresponding region, can directly exclude to cause the dynamic The object of feature is the possibility of people, which makes the accuracy higher that the intelligent terminal of the present invention judges, make its judging result It is relatively reliable.
If judging, the object that the behavioral characteristics represent may be people, will treated that image is adjacent through the first difference Second order difference is carried out between frame, according to the difference condition between two images, determine object that the behavioral characteristics represent whether be People.
4) location information of people is obtained
To first difference treated image carry out again binary conversion treatment (binary conversion treatment again here be relative to For hardware binarization processing procedure above), and will that treated is image gridding, to identify coordinate, for convenience It determines coordinate, expansion process is carried out to the image after binary conversion treatment again, to form connected domain, even if expansion process The image of behavioral characteristics described in image is full of its grid dabbled, in the corresponding connected domain of commissarial behavioral characteristics Coordinate of the heart coordinate as the people.
5) confirm personnel amount information
The quantity for calculating commissarial connected domain obtains the personnel amount information in monitoring region.
6) confirm personnel activity's trace information
Described point is carried out to the center of commissarial connected domain in each frame image, is then retouched all in seclected time period Point connects sequentially in time, and finally the point that these have connected is loaded on the uncalibrated image, obtains personnel activity track letter Breath.
In leading to the monitoring region of resolution ratio difference due to background color or light problem, the processing of 256 gray processings can be used Mode substitutes the hardware binarization processing procedure.It can even take while binary conversion treatment is set in microprocessor (DSP) Then function module and gray processing processing function module are flexibly allocated by microprocessor according to situation is differentiated.
After identifying personal information alarm mechanism can be also arranged, such as elderly person of no family's special population in the present invention When monitoring, behavioural analysis is carried out, monitored object is in unreasonable position and/or certain time is stationary perceiving When, start alarm mechanism.
Intelligent terminal of the present invention also has the function of home wiring control.Home wiring control function mainly passes through infrared module and control intelligence It can switch realization.
Microprocessor it is each logical can to control intelligent switch according to control instruction after receiving control instruction by communication module Road is cut-off, and to which control is by the working condition of the equipment of intelligent switch acquisition working power, obtains or configure intelligent switch The power consumption parameter in each channel, or by the function of infrared module performance remote controler, control the working condition of each infrared remote control equipment.
The infrared module installation is connected with microprocessor on the shell.The infrared module include infrared transmission module and Infrared receiving module, microprocessor receive the infrared signal that remote controler is sent out by the infrared receiving module, and study is described distant The corresponding infrared coding of device is controlled, to obtain function identical with the remote controler, after receiving control instruction, by described infrared Transmitting module transmitting has the infrared signal of equal red outer coding with the remote controler, and original is directly controlled will pass through intelligent terminal This is by the equipment such as RTV remote television of the remote control control, air-conditioning etc..
Microprocessor can obtain control instruction in several ways, realize the interaction with people.
Microprocessor can receive the control instruction that mobile terminal is sent by communication module, can also pass through coupled language Sound identification module obtains phonetic control command, to realize the voice interface with people.
Sound identification module is installed on the shell, is mainly made of voice recognition chip, MIC (microphone), loudspeaker, 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, to carry out relevant operation, such as root Control command is issued to intelligent switch according to the phonetic control command, realizes various voice control functions, for example, control light, Wind turbine, water pump, purifier, disaster alarm etc., and the implementing result of the relevant operation is passed through into sound identification module again User is fed back to, realizes man-machine voice interface.
As another interaction mode, the LED light of three kinds of different colours, respectively red, green, blue are also equipped on shell, The LED light is connected with the microprocessor, the switch of LED light described in micro processor controls and brightness, to realize the coloured silk of terminal The interaction of colored lights and user.
The particular circuit configurations of intelligent terminal each section of embodiment in lower Fig. 2 are described below.
Microprocessor
Main micro processor model STM32f103rc that the present embodiment is selected (can also be that other any can meet this hair The microprocessor of bright design requirement), feature:Kernel:ARM32 Cortex-M3CPU, maximum operating frequency 72MHz, 1.25DMIPS/MHz micro energy lose:3 kinds of low-power consumption modes:Suspend mode stops, standby mode, and it is RTC (Real-Time to have Clock) and back-up registers power supply VBAT.The minimum system circuit for the microprocessor that the present embodiment is selected is as shown in figure 4, main To include JTAG download circuits, reset circuit, clock circuit.
Power circuit
Intelligent terminal of the present invention can be used embedded lithium battery as power supply to power supply requirement or be directly connected to alternating current acquisition Power supply carries all energy consumptions, while charging to the lithium battery, when alternating current lacks, automatically when there is alternating current by alternating current It is switched to the normal monitoring function for ensureing intelligent terminal by lithium battery power supply in outage.Three are used inside intelligent terminal Grade DC voltage, the wherein driving voltage of LED drive chip are 12V, and the supply voltage of sensor is 5V, microprocessor and The supply voltage of storage chip is 3.3V, and well stable power supply has ensured that the stable operation of system and sensing data pass Defeated reliability.
AC-12V DC conversion circuits
Supply voltage in intelligent terminal is designed as 12V (can also be the voltage of other grades), therefore, intelligent terminal Power circuit needs 110Vac-220Vac alternating currents being converted into 12v direct currents.The present invention mainly completes electricity by HF switch Source is converted, and the schematic diagram of conversion circuit is as shown in Figure 5.
12V-5V conversion circuits
The conversion of 12V to 5V mainly realizes that circuit diagram is as shown in Figure 6 by switch type buck regulator LM2576T. This voltage stabilizing chip can drive the load of 3A, not need outer radiation fin under normal circumstances, it is in specified input voltage and defeated Go out under conditions of load, can guarantee the error of output voltage in ± 4% and the error of oscillator frequency is in ± 10%.
5V-3.3V conversion circuits
The present invention mainly uses the conversion of low-power consumption voltage stabilizing chip AMS1117 realizations 5V to 3.3V, conversion circuit schematic diagram As shown in Figure 7.Low-power consumption voltage stabilizing chip AMS1117 is a low voltage difference three terminal regulator IC, output current:1A, pressure difference: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 conversion of the electronic products such as security protection fire-fighting.
The selection of the present embodiment sensor and its circuit structure
The present embodiment intelligent terminal senses temperature sensor, humidity sensor, baroceptor, fuel gas and smog Device, concentration of formaldehyde sensor, sound identification module etc. are integrated within one device, and the information of all the sensors is focused on, Efficiently solve wide variety existing for the product of conventional construction wisdom building contributes to user to building the problem of having a single function Build Centralizing inspection and the management of environment.
Infrared temperature sensor
The temperature sensor that the present embodiment uses is infrared temperature sensor.The type of infrared temperature sensor in the present embodiment Number be MLX90614.MLX90614 is a infrared non-contact thermometer.It is integrated with infrared induction simultaneously in TO-39 Metal Packagings Thermopile detector chip and signal processing special integrated chip.Due to being integrated with low-noise amplifier, 17 analog-digital converters With powerful digital signal processing unit so that be achieved in high precision with the thermometer of high-resolution.
Common thermometric mode can be divided into contact and contactless, and contact temperature-measuring can only measure testee and thermometric Sensor reaches the temperature after thermal balance, so the response time is long, and is easily influenced by environment temperature;And infrared measurement of temperature is root The temperature that object is determined according to the infrared energy of testee, does not contact with testee, and having does not influence testee Temperature Distribution, and the features such as temperature resolution height, fast response time, temperature-measuring range are wide, stability is good.
Infrared sensor of the human body
The present embodiment selects the infrared sensor of the human body of model HC-SR501, the infrared sensor of the human body to use LHI778 Heat releases infrared induction probe, and high sensitivity is highly reliable, support ultra low voltage operating mode, operating voltage 4.5-20v, Operating temperature is -30-70 degrees Celsius.
Fuel gas and smoke sensor device
Fuel gas and smoke sensor device are mating according to indoor fire-fighting monitoring current standard, dense for monitoring indoor smog Degree and combustable gas concentration.When indoor smokescope or combustable gas concentration are above standard state, early warning, pre- is made in time Report.
Fig. 8 is the circuit diagram of the present embodiment fuel gas and smoke sensor device, as shown, MQ-2 is a gas Sensor, gas sensitive is the lower stannic oxide of conductivity (SnO2) in clean air used in it.When sensor institute Locate in environment there are when fuel gas, the conductivity of sensor increases with the increase of combustable gas concentration in air, so making The variation of conductivity can be converted to electric signal output corresponding with the gas concentration with simple circuit.
MQ-2 gas sensors are to the high sensitivity of liquefied gas, propane, hydrogen, the inspection to natural gas and other combustible vapors It surveys also highly desirable.This sensor can detect a variety of imflammable gas, be a inexpensive sensor for being suitble to a variety of applications.
Concentration of formaldehyde sensor
Studies have shown that formaldehyde is that have carcinogenic danger.Therefore the detection of formaldehyde gas has important in building Meaning.The present embodiment selects MS1100-P111 sensor assemblies as the critical piece of concentration of formaldehyde sensor.MS1100- P111 sensor assemblies select MS1100 to pop one's head in for core sensor.MS1100 is a semiconductor-type VOC gas sensor, tool There are high sensitivity and stability, the gas of 0.01ppm or more can be detected, suitable for detecting the formaldehyde air, benzene, two A variety of volatile organic components such as toluene, compact, fast response time, can ensure in indoor environment content of formaldehyde it is online Monitoring, supply voltage 5V, operating current 100ma, detectable concentration ranging from 0-1000ppm, operating temperature are -10-60 degree. The circuit diagram of the present embodiment concentration of formaldehyde sensor is as shown in Figure 9.
Vibrating sensor
Vibrating sensor is used to detect the vibration frequency of building structure (intelligent terminal of the present invention is directly anchored to building) Rate, the posture of Oscillation Amplitude and structure and its variation achieve the purpose that monitor building structure stability and safety.The present embodiment As building construction vibration, the detection unit of building structure posture, model MPU-6000 is middle specific choice electronic gyroscope 6 axis move gyrounit, compared to multicompartment scheme, eliminate the problem of combination gyroscope and between centers difference when accelerator, subtract Small volume.
Humidity sensor
The present embodiment humidity detection selects digital integral Temperature Humidity Sensor DHT11, it is a containing calibrated number The humiture compound sensor of word signal output.The digital module acquisition technique and temperature and humidity sensing technology of its application specific, really Protecting product has high reliability and remarkable stability.Sensor includes that a resistance-type humidity sensing element and a NTC are surveyed Warm element, and be connected with 8 microprocessor of a high-performance.Therefore the product has quality brilliance, super fast response, anti-interference The advantages that ability is strong, cost performance is high.Each DHT11 sensors are calibrated in extremely accurate humidity verification room.School Quasi- coefficient is stored in the form of program in OTP (One Time Programmable) memory, and sensor internal is in detection signal Processing procedure in call these calibration factors.
Atmospheric gas pressure sensor
Atmospheric pressure select BMP180 baroceptors, it be a high-precision, small size, super low energy consumption pressure sensing Device can be applied in mini-plant, and precision can reach 0.03hpa, and power consumption is extremely low, only 3uA, and BMP180 uses 8- Pin ceramic leadless chips carry Ultrathin packaging, can be directly connected with various microprocessors by iic bus.Pressure limit: 300-1100hpa (9000 meters of height above sea level arrives -500 meters of height above sea level), supply voltage:1.8-3.6v IIC interfaces, temperature self-compensation.
Voice recognition chip
The present embodiment intelligent terminal selects LD3320 voice recognition chips for the speech recognition unit of man-machine conversation.The chip It is integrated with voice recognition processor and some external circuits, including the output of 16 AD, D/A converter, microphone interface, sound connects Mouthful etc..Chip does not need external any companion chip such as flash, ram etc., is directly integrated in existing product and can be thus achieved Speech recognition/acoustic control/good in interactive function.And the key words list identified arbitrarily can be edited dynamically, therefore can be by one A system supports several scenes.50 candidate identification sentences can be at most arranged in identification every time, each to identify that sentence be individual character, word The pinyin string of group or punctuate, of length no more than 10 Chinese characters or 79 bytes.Support parallel and serial interface.MP3 is supported to broadcast Playing function, without peripheral additional device, MP3 data are once sent into LD3320 chip interiors by microprocessor can be from chip Corresponding PIN exports sound.LD3320 work power supplies are 3.3V, and circuit diagram is as shown in Figure 10.
The sound of speech chip is output to horn interface, in order to ensure the sound quality of sound, increases power amplification circuit, such as Shown in Figure 11.
Image capture module
The present embodiment intelligent terminal has selected four groups of CMOS cameras, in order to avoid setting foot in privacy concern, camera design Only detect it is indoor whether someone, the quantity and event trace of people, therefore the vision signal that the present embodiment exports camera First after the processing of video field row split circuit, picture signal is formed, then described image signal is output to hardware binarization circuit, with Just binary conversion treatment is carried out, treated, and image is output to microprocessor, and microprocessor is by analyzing incoming binary conversion treatment Image afterwards, the identification monitoring for example indoor personal information in region.The video field row separating chips of selection are in LM1881, that is, Figure 12 Chip LM1.
The parameter list of the present embodiment sensor
Table 2
In the present embodiment there are mainly two types of the modes of microprocessor acquisition sensing data, IIC acquisitions and AD acquisitions.
The sensor communicated by iic bus has infrared temperature sensor, barometric pressure sensor, humidity sensor and gyro Instrument sensor.Fuel gas and smoke sensor device and concentration of formaldehyde sensor then take AD acquisition modes.With smog or formaldehyde The increase of concentration, collecting voltage value can become larger, and the change curve of concentration and voltage is gone out by experimental fit, find out corresponding pass System can obtain the concentration information of smog and formaldehyde.
Wifi modules
The present embodiment intelligent terminal selects EMW3280 high-speeds to export wifi transparent transmission modules, and it is newest that module uses industry High-performance radio-frequency chipset, and be integrated with ICP/IP protocol stack and WIFI driving, using it may be implemented terminal inner sense Device and its processing circuit and external device and internetwork wireless telecommunications, and the WEP/WAP/WAP2 of WIFI is supported to encrypt, it fits For the wireless telecommunications between embedded device and PC or between multiple embedded devices.The present embodiment Wifi modules also may be used To select EMW3165,3162, circuit diagram is as shown in figure 13.
Sensor involved by specific embodiment of the invention part or chip, it is listed including but not limited in specification Model, any sensor or integrated circuit that can realize said function could be used for the present invention.

Claims (10)

1. a kind of intelligent terminal for building active fire system and wisdom building, which is characterized in that including shell and installation Microprocessor, communication module, active fire sensing module and the air quality monitoring module of an entirety, institute are formed on the shell Active fire sensing module, air quality monitoring module and the communication module is stated respectively to be connected with the microprocessor;
The active fire sensing module includes fuel gas and smokescope sensor, temperature sensor, and for monitoring Building structure vibrations, building structure posture so as to judge building structure whether safety gyrosensor;
The air quality monitoring module includes TVOC air quality sensors and PM sensors;
The microprocessor is configured as, and is related to by the active fire sensing module and the air quality monitoring module collection And the information of the parameter of security against fire and air quality, then carried out about the threshold values of security against fire and air quality with preset It compares, and the evaluation result after the information of collection and comparison is sent to by cloud server and/or shifting by the communication module Dynamic terminal;
The intelligent terminal further includes image capture module, and described image acquisition module includes several CMOS cameras, described CMOS camera is mounted in the different sides of the shell, to carry out omnidirectional shooting, described image acquisition to monitoring region Module further includes video field row split circuit and hardware binarization circuit, described in the vision signal warp of the CMOS camera output The hardware binarization circuit is output to after video field row split circuit, the video field row is detached electricity by the hardware binarization circuit The picture signal of road output is output to the microprocessor again after carrying out binary conversion treatment, and the microprocessor is configured as, and leads to The image information that described image acquisition module obtains monitoring region is crossed, the personnel in region are monitored according to described image information identification Then the personal information is sent to the cloud server and/or mobile terminal by information by the communication module;
The intelligent terminal further includes infrared sensor of the human body, infrared sensor of the human body installation on the housing with it is described Microprocessor, the microprocessor are configured as, by the infrared sensor of the human body perceive monitoring region whether someone, and will As a result the cloud server and/or mobile terminal are sent to by the communication module;
The microprocessor is configured as, using the sensing results of the infrared sensor of the human body to described image acquisition module Identification result carries out calibration, if the personnel of the two judge inconsistent whether there is or not information, then adjusting ambient illumination passes through the figure As the image information in acquisition module reacquisition monitoring region, the people in monitoring region is recognized according to the image information of reacquisition Member's information, to be modified to the preceding personal information once recognized, and by the communication module by the revised people Member's information is sent to the cloud server and/or mobile terminal.
2. intelligent terminal according to claim 1, which is characterized in that the temperature sensor is infrared temperature sensor;
The TVOC air quality sensors are concentration of formaldehyde sensor;
The PM sensors include PM1 sensors, PM2.5 sensors, PM10 sensors.
3. intelligent terminal according to claim 1 or 2, which is characterized in that the intelligent terminal further includes alarm module, institute It states alarm module installation to be on the housing connected with the microprocessor, the threshold values includes alarm level line, micro- place Reason machine is configured as, the parameter be more than its alarm level line when, i.e., dangerous situation when, sent out by the alarm module Go out restricted speed signal.
4. intelligent terminal according to claim 3, which is characterized in that the intelligent terminal further includes environment monitoring module, The environment monitoring module installation is connected with the microprocessor on the housing, and the environment monitoring module includes atmospheric pressure Force snesor and humidity sensor, the microprocessor are configured as, and being related to environment by environment monitoring module collection relaxes Then the information of suitable parameter is compared with the preset threshold values about amenity, and will be received by the communication module The information and the evaluation result after comparison of collection are sent to the cloud server and/or mobile terminal.
5. intelligent terminal according to claim 4, which is characterized in that the personal information includes whether someone, personnel's number Amount and personnel activity track;
The detailed process that the microprocessor obtains the personal information is:
1) uncalibrated image is obtained
By human body infrared inductor sense monitoring region nobody when, periodically update monitoring region nobody when calibration maps Picture, the uncalibrated image be by by the CMOS camera obtain monitor region nobody when background image;
2) behavioral characteristics are isolated
When sensing monitoring region someone by human body infrared inductor, stops updating the uncalibrated image, be imaged by CMOS The image in head periodically acquisition monitoring region, first difference is carried out by each frame image periodically acquired and the uncalibrated image Point, isolate behavioral characteristics of the present image compared to the uncalibrated image;
3) identification causes whether the object of the behavioral characteristics is people
According to intelligent terminal with a distance from monitoring area monitoring basal plane, to monitoring the image-region in region, then, according to described Behavioral characteristics ratio shared in its affiliated area, judges whether the object representated by it may be people;
If judging, the object that the behavioral characteristics represent may be people, will through the first difference treated image consecutive frame it Between carry out second order difference, according to the difference condition between two images, determine whether the object that the behavioral characteristics represent is people;
4) location information of people is obtained
Binary conversion treatment again carried out to first difference treated image, and will that treated is image gridding, to identify Coordinate carries out expansion process, to form connected domain, even if expansion process image to the image after binary conversion treatment again Described in the images of behavioral characteristics be full of its grid for being dabbled, sat with the center of the corresponding connected domain of commissarial behavioral characteristics It is denoted as the coordinate for the people;
5) confirm personnel amount information
The quantity for calculating commissarial connected domain obtains the personnel amount information in monitoring region;
6) confirm personnel activity's trace information
Described point is carried out to the center of commissarial connected domain in each frame image, then presses described point all in seclected time period It is connected according to time sequencing, finally the point that these have connected is loaded on the uncalibrated image, obtains personnel activity's trace information.
6. intelligent terminal according to claim 5, which is characterized in that the intelligent terminal further includes infrared module, described Infrared module installation is connected with the microprocessor on the housing, and the infrared module includes infrared transmission module and infrared Receiving module, the microprocessor are configured as, and are received the infrared signal that remote controler is sent out by the infrared receiving module, are learned The corresponding infrared coding of the remote controler is practised, to obtain function identical with the remote controler;
The microprocessor is additionally configured to, and according to control instruction, is emitted with the remote controler by the infrared transmission module Infrared signal with identical infrared coding is directly controlled originally with will pass through the intelligent terminal by the remote control control Equipment.
7. intelligent terminal according to claim 6, which is characterized in that the microprocessor is configured as, and is referred to according to control It enables, power consumption management intelligence load governor is output a control signal to by the communication module, control the power consumption management intelligence Each channel of load governor is cut-off, to which control obtains setting for working power by the power consumption management intelligence load governor Standby working condition obtains or configures the power consumption parameter in each channel of power consumption management intelligence load governor;
The microprocessor is configured as, and receives the cloud server by the communication module and/or mobile terminal is sent out Control instruction.
8. intelligent terminal according to claim 7, which is characterized in that the intelligent terminal further includes sound identification module, The sound identification module installation is connected with the microprocessor on the housing, and the microprocessor is configured as, and is passed through The sound identification module obtains the phonetic control command of user, to carry out relevant operation, and holding the relevant operation Row result feeds back to user by the sound identification module, to realize man-machine voice interface.
9. intelligent terminal according to claim 8, which is characterized in that be also equipped with the LED of different colours on the shell Lamp, the LED light are connected with the microprocessor, and the microprocessor is configured as, by control the LED light switch, Brightness and color are to realize the interaction with user.
10. the intelligent terminal system that a kind of intelligent terminal by described in any one of claim 1~9 claim forms, described Intelligent terminal system includes the intelligent terminal, more than one power consumption management intelligence load governor, router, cloud service Device and/or mobile terminal, the mobile terminal are connected by internet or WLAN with the router, the router It is connected with the intelligent terminal by WLAN with the power consumption management intelligence load governor.
CN201610255962.0A 2016-04-22 2016-04-22 Intelligent terminal and intelligent terminal system for building active fire system and wisdom building CN105892538B (en)

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