CN105888436A - Automatic opening method of intelligent window - Google Patents

Automatic opening method of intelligent window Download PDF

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Publication number
CN105888436A
CN105888436A CN201610414690.4A CN201610414690A CN105888436A CN 105888436 A CN105888436 A CN 105888436A CN 201610414690 A CN201610414690 A CN 201610414690A CN 105888436 A CN105888436 A CN 105888436A
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China
Prior art keywords
window
image
equipment
bedroom
sweat
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Granted
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CN201610414690.4A
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Chinese (zh)
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CN105888436B (en
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不公告发明人
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Guangdong cloud pipe Decoration Engineering Co., Ltd.
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张宏
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Priority to CN201510535409.8A priority Critical patent/CN105178768B/en
Priority to CN201610414690.4A priority patent/CN105888436B/en
Publication of CN105888436A publication Critical patent/CN105888436A/en
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Publication of CN105888436B publication Critical patent/CN105888436B/en
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/70Power-operated mechanisms for wings with automatic actuation
    • E05F15/71Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise

Abstract

The invention relates to an automatic opening method of an intelligent window. The method comprises the following steps of: 1) providing a window automatic opening platform based on an indoor and outdoor temperature difference, wherein the opening platform comprises an outdoor temperature sensor, an indoor temperature sensor, window control equipment and a digital signal processor, the outdoor temperature sensor is used for detecting the indoor temperature inside a bedroom, the outdoor temperature sensor is used for detecting the outdoor temperature outside the bedroom, the digital signal processor is connected with each of the outdoor temperature sensor, the indoor temperature sensor and the window control equipment to calculate the temperature difference between the indoor temperature and the outdoor temperature, and the window control equipment controls the opening and closing of a bedroom window based on the temperature difference; (2) using the opening platform to open the window. By adopting the automatic opening method of the intelligent window disclosed by the invention, the opening degree of the bedroom window can be automatically controlled according to the sweating situation of a person in the bedroom and the indoor and outdoor temperature difference.

Description

A kind of intelligent window automatically turns on method
The present invention is Application No. 201510535409.8, filing date August 28 in 2015 day, The divisional application of the patent of bright entitled " a kind of intelligent window automatically turns on method ".
Technical field
The present invention relates to temperature detection field, particularly relate to a kind of intelligent window and automatically turn on method.
Background technology
In prior art, do not exist when bedroom personnel sleep soundly according to indoor/outdoor temperature-difference and indoor occupant stream Antiperspirant degree carries out the intelligent scheme opened and control to bedroom window, so easilys lead to following asking Topic: indoor occupant is sweat a lot, but window is constantly in closed mode;Indoor occupant is not sweat, but Window is constantly in open mode;Or, window can not automatically control window according to indoor/outdoor temperature-difference Opening degree.Above-mentioned situation all can give in bedroom be in dormant personnel cause certain not Suitable, may cause time serious suffering from cold or the generation of heatstroke situation.
To this end, the present invention proposes a kind of intelligent window automatically turns on method, it is possible in bedroom, personnel are ripe Carry out bedroom window intelligent opening control according to indoor/outdoor temperature-difference and indoor occupant degree of sweating when sleeping System, thus provide a good sleep environment for bedroom is in dormant personnel.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of intelligent window automatic Open method, first determines infra-red heat phase equipment and the unlatching of visual light imaging equipment according to ambient brightness Close, to ensure no matter in the case of any ambient brightness, have applicable image capture device, Subsequently, use indoor temperature transmitter, outdoor temperature sensor and there is adaptive threshold fuzziness mechanism Sweat detection equipment realize according to indoor/outdoor temperature-difference and indoor occupant degree of sweating, bedroom window being entered The automatization of row opens and controls, thus provides a suitable sleep environment for the personnel that sleep soundly.
According to an aspect of the present invention, it is provided that a kind of intelligent window automatically turns on method, the method bag Include: 1) provide a kind of window based on indoor/outdoor temperature-difference to automatically turn on platform, described unlatching platform bag Include outdoor temperature sensor, indoor temperature transmitter, window control equipment and digital signal processor, Described outdoor temperature sensor is for detecting the indoor temperature within bedroom, described outdoor temperature sensor For detecting the outdoor temperature outside bedroom, described digital signal processor senses with described outdoor temperature Device, described indoor temperature transmitter and described window control equipment and connect respectively, calculate indoor temperature and The temperature difference between outdoor temperature, controls described window based on the described temperature difference and controls equipment realization to bedroom window The unlatching at family controls;2) described unlatching platform is used to open.
More specifically, automatically turn in platform at described window based on indoor/outdoor temperature-difference, also include: Infra-red heat phase equipment, is arranged on bedroom indoor, is used for bedroom indoor shot to obtain infrared image; Visual light imaging equipment, is arranged on bedroom indoor, is used for bedroom indoor shot to obtain visible ray figure Picture;Brightness sensing equipment, is arranged in bedroom, is used for detecting in real time and exporting the environment within bedroom Brightness;Sweat detection equipment, is arranged on doss position, bedroom, with described infra-red heat phase equipment and described Visual light imaging equipment connects respectively, for described infrared image or described visible images are carried out figure As processing;Power supply unit, is arranged on the exterior wall outside bedroom, including solar powered device, city Electrical interface, switching switch and electric pressure converter, described switching switch with described solar powered device and Described commercial power interface connects respectively, decides whether to be switched to according to the line voltage size at commercial power interface Described solar powered device to be powered by described solar powered device, described electric pressure converter and institute State switching switch to connect, so that 3.3V voltage will be converted to by the 5V voltage of switching switch input;Move Dynamic hard disk, is used for prestoring luminance threshold, human body gray threshold scope and presetted pixel amount threshold; Described sweat detection equipment is connected respectively with described infra-red heat phase equipment and described visual light imaging equipment, For receiving infrared image or visible images using as detection image;Described sweat detection equipment includes Image semantic classification subset, threshold value select subset, human body segmentation's subset and sweat to extract subset; Described Image semantic classification subset performs edge enhancement process successively to described detection image, self adaptation is passed Return Filtering Processing, image expansion to process, Image erosion processes and gray processing processes, to obtain gray processing Image;Described threshold value selects subset and described portable hard drive and described Image semantic classification subset difference Connect, for selecting a value as preliminary election gray scale threshold successively from described human body gray threshold scope Value, uses preliminary election gray threshold that gray level image is divided into preliminary election background area and pre-selected target district Territory, calculates preliminary election background area and occupies the area ratio of gray level image as background area ratio, calculating The pixel average gray value of preliminary election background area, as background average gray value, calculates pre-selected target region The area ratio occupying gray level image is put down as target area ratio, the pixel calculating pre-selected target region Background average gray value, as target average gray value, is deducted target average gray value by all gray values, The difference obtained square be multiplied by target area than and background area ratio, it is thus achieved that product take advantage of as threshold value Long-pending, select the preliminary election gray threshold of threshold value product maximum as target gray threshold value;Described human body segmentation Subset selects subset to be connected with described threshold value, is used for using target gray threshold value by gray level image It is divided into background image and human body image;Described sweat extracts subset and described human body segmentation's subset Connect respectively with described portable hard drive, from human body image, extract each sweat meeting sweat form Image, the pixel summation in each sweat subimage accumulative, when the pixel summation obtained is more than presetting picture During element amount threshold, it is judged that human body exists sweat and output exists sweat signal, when the pixel obtained is total With during less than or equal to presetted pixel amount threshold, it is judged that human body do not exist sweat and export there is not sweat Signal;Described digital signal processor and described outdoor temperature sensor, described indoor temperature transmitter, Described infra-red heat phase equipment, described visual light imaging equipment, described room brilliancy sensing equipment, described Portable hard drive, described sweat detection equipment and described window control equipment and connect respectively, when receive When ambient brightness is less than or equal to luminance threshold, opens described infra-red heat phase equipment and close described visible ray Imaging device, when the ambient brightness received is more than luminance threshold, cuts out described infra-red heat phase equipment And open described visual light imaging equipment;Described digital signal processor also receive exist sweat letter Number, indoor temperature is deducted outdoor temperature to obtain the temperature difference, realize bedroom window is opened according to the temperature difference Open control;Wherein, in described sweat detection equipment, using infrared image as detection image before, Infrared image is carried out the conversion of visible ray formula image, using the image after conversion as detection image;Described Digital signal processor realizes the unlatching to bedroom window according to the temperature difference and controls to specifically include: described numeral Signal processor controls described window and controls equipment so that described window controls equipment and controls opening of window Degree is directly proportional to the temperature difference;Described portable hard drive has prestored temperature difference aperture synopsis, and the described temperature difference is opened Degree synopsis gives the mapping relations of each temperature range and window aperture, at described digital signal Reason device according to described temperature difference aperture synopsis make described window control equipment control window aperture with The temperature difference is directly proportional.
More specifically, automatically turn in platform at described window based on indoor/outdoor temperature-difference: described numeral Signal processor is the dsp chip of TI company.
More specifically, automatically turn in platform at described window based on indoor/outdoor temperature-difference: described image Pretreatment subset, described threshold value select subset, described human body segmentation's subset and described sweat to carry Take subset to be respectively adopted the fpga chip of different model and realize.
More specifically, automatically turn in platform at described window based on indoor/outdoor temperature-difference: described image Pretreatment subset, described threshold value select subset, described human body segmentation's subset and described sweat to carry Take subset to be integrated on same surface-mounted integrated circuit.
More specifically, automatically turn in platform at described window based on indoor/outdoor temperature-difference, described unlatching Platform also includes: wireless communication interface, is connected with described digital signal processor, there is no for reception Line sends described ambient brightness and the described temperature difference.
More specifically, automatically turn in platform at described window based on indoor/outdoor temperature-difference: described wireless Communication interface is in GPRS mobile communication interface, 3G mobile communication interface and 4G mobile communication interface One.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is to automatically turn on flat according to the window based on indoor/outdoor temperature-difference shown in embodiment of the present invention The block diagram of platform.
Reference: 1 outdoor temperature sensor;2 indoor temperature transmitters;3 windows control equipment; 4 digital signal processors
Detailed description of the invention
Below with reference to accompanying drawings the window based on indoor/outdoor temperature-difference of the present invention is automatically turned on platform Embodiment is described in detail.
For bedroom, its window is the important tool determining room ventilation situation.The opening and closing of window The quality of temperature, humidity and the room air of indoor is determined with the degree of window unlatching.By day, People in bedroom can carry out opening and closing voluntarily to window and open degree controls, the most by day, and may Nobody has a rest in bedroom, but at night, all there are personnel and have a rest in general bedroom, Er Qieren Member is in sleep state, it is impossible to is controlled window, at this moment can only be controlled by window before sleep Open and close two states, and cannot be flexibly according to indoor/outdoor temperature-difference and indoor occupant stream in sleep Antiperspirant degree carries out opening and closing and the open degree control of window.
In order to overcome above-mentioned deficiency, the present invention has built a kind of window based on indoor/outdoor temperature-difference and has automatically opened Open platform, use the mode that visual machine controls, even if sleeping indoor occupant is in sleep state, also can Opening and closing and the open degree control of window is carried out flexibly according to indoor/outdoor temperature-difference and the indoor occupant degree of sweating.
Fig. 1 is to automatically turn on flat according to the window based on indoor/outdoor temperature-difference shown in embodiment of the present invention The block diagram of platform, described unlatching platform include outdoor temperature sensor, indoor temperature transmitter, Window controls equipment and digital signal processor, and described outdoor temperature sensor is used for detecting inside bedroom Indoor temperature, described outdoor temperature sensor is for detecting the outdoor temperature outside bedroom, described number Learn signal processor and described outdoor temperature sensor, described indoor temperature transmitter and described window control Control equipment connects respectively, calculates the temperature difference between indoor temperature and outdoor temperature, based on described temperature difference control Make described window and control the equipment realization unlatching control to bedroom window.
Then, continue the window based on indoor/outdoor temperature-difference of the present invention is automatically turned on the concrete knot of platform Structure is further detailed.
Described unlatching platform also includes: infra-red heat phase equipment, is arranged on bedroom indoor, for bedroom Indoor shot is to obtain infrared image.
Described unlatching platform also includes: visual light imaging equipment, is arranged on bedroom indoor, for sleeping Room indoor shot is to obtain visible images.
Described unlatching platform also includes: brightness sensing equipment, is arranged in bedroom, for detection in real time And export the ambient brightness within bedroom.
Described unlatching platform also includes: sweat detection equipment, is arranged on doss position, bedroom, with described Infra-red heat phase equipment and described visual light imaging equipment connect respectively, for described infrared image or institute State visible images and carry out image procossing.
Described unlatching platform also includes: power supply unit, is arranged on the exterior wall outside bedroom, including too Sun energy power supply device, commercial power interface, switching switch and electric pressure converter, described switching switchs with described Solar powered device and described commercial power interface connect respectively, big according to the line voltage at commercial power interface Little decide whether to be switched to described solar powered device to be powered by described solar powered device, institute State electric pressure converter to be connected with described switching switch, will be turned by the 5V voltage of switching switch input It is changed to 3.3V voltage.
Described unlatching platform also includes: portable hard drive, is used for prestoring luminance threshold, human body gray scale Threshold range and presetted pixel amount threshold;Described sweat detection equipment and described infra-red heat phase equipment and Described visual light imaging equipment connects respectively, is used for receiving infrared image or visible images using as inspection Altimetric image.
Described sweat detection equipment includes that Image semantic classification subset, threshold value select subset, human body to divide Cut subset and sweat extracts subset;Described Image semantic classification subset is to described detection image successively Perform edge enhancement process, self adaptation recursive filtering processes, image expansion processes, Image erosion processes Process with gray processing, to obtain gray level image.
Described threshold value selects subset and described portable hard drive and described Image semantic classification subset difference Connect, for selecting a value as preliminary election gray scale threshold successively from described human body gray threshold scope Value, uses preliminary election gray threshold that gray level image is divided into preliminary election background area and pre-selected target district Territory, calculates preliminary election background area and occupies the area ratio of gray level image as background area ratio, calculating The pixel average gray value of preliminary election background area, as background average gray value, calculates pre-selected target region The area ratio occupying gray level image is put down as target area ratio, the pixel calculating pre-selected target region Background average gray value, as target average gray value, is deducted target average gray value by all gray values, The difference obtained square be multiplied by target area than and background area ratio, it is thus achieved that product take advantage of as threshold value Long-pending, select the preliminary election gray threshold of threshold value product maximum as target gray threshold value.
Described human body segmentation's subset selects subset to be connected with described threshold value, is used for using target gray Gray level image is divided into background image and human body image by threshold value.
Described sweat extracts subset and connects respectively with described human body segmentation's subset and described portable hard drive Connect, from human body image, extract each sweat subimage meeting sweat form, each sweat accumulative Pixel summation in image, when the pixel summation obtained is more than presetted pixel amount threshold, it is judged that people There is sweat in body and output exists sweat signal, when the pixel summation obtained is less than or equal to presetted pixel number During amount threshold value, it is judged that human body does not exist sweat and output does not exist sweat signal.
Described digital signal processor and described outdoor temperature sensor, described indoor temperature transmitter, Described infra-red heat phase equipment, described visual light imaging equipment, described room brilliancy sensing equipment, described Portable hard drive, described sweat detection equipment and described window control equipment and connect respectively, when receive When ambient brightness is less than or equal to luminance threshold, opens described infra-red heat phase equipment and close described visible ray Imaging device, when the ambient brightness received is more than luminance threshold, cuts out described infra-red heat phase equipment And open described visual light imaging equipment.
Also there is sweat signal receiving in described digital signal processor, indoor temperature is deducted outdoor Temperature, to obtain the temperature difference, realizes the unlatching to bedroom window according to the temperature difference and controls.
Wherein, in described sweat detection equipment, using infrared image as detection image before, by red Outer image carries out the conversion of visible ray formula image, using the image after conversion as detection image;Described numeral Signal processor realizes the unlatching to bedroom window according to the temperature difference and controls to specifically include: described digital signal Processor control described window control equipment so that described window control equipment control window aperture with The temperature difference is directly proportional;Described portable hard drive has prestored temperature difference aperture synopsis, described temperature difference aperture pair The mapping relations of each temperature range and window aperture, described digital signal processor is given according to table Make described window control equipment according to described temperature difference aperture synopsis and control aperture and the temperature difference of window It is directly proportional.
Alternatively, in described unlatching platform: described digital signal processor is the DSP of TI company Chip;Described Image semantic classification subset, described threshold value select subset, described human body segmentation's to set Standby and described sweat extraction subset is respectively adopted the fpga chip of different model and realizes;Described figure As pretreatment subset, described threshold value select subset, described human body segmentation's subset and described sweat Extract subset to be integrated on same surface-mounted integrated circuit;Described unlatching platform also includes: channel radio Letter interface, is connected with described digital signal processor, for receiving and ambient brightness described in wireless transmission With the described temperature difference;And, described wireless communication interface can be GPRS mobile communication interface, 3G shifting One in dynamic communication interface and 4G mobile communication interface.
It addition, FPGA (Field-Programmable Gate Array), i.e. field-programmable gate array Row, he is the product of development further on the basis of the programming devices such as PAL, GAL, CPLD. He is to occur as a kind of semi-custom circuit in special IC (ASIC) field, both solves Determine the deficiency of custom circuit, overcome again the shortcoming that original programming device gate circuit number is limited.
The circuit design completed with hardware description language (Verilog or VHDL), can be through letter Single comprehensive and layout, is quickly burned onto on FPGA and tests, and is modern IC designs checking Technology main flow.These can be edited element and can be used to realize some basic logic gates (ratio Such as AND, OR, XOR, NOT) or more more complicated combination function such as decoder or number Learn equation.Inside most FPGA, in these editable elements, also comprise memory cell Such as trigger (Flip-flop) or other more complete block of memory.System designer can root By editable connection, the logical block within FPGA is coupled together according to needing, just look like an electricity Road bread board has been placed in a chip.One dispatch from the factory after the logical block of finished product FPGA and connection Can change according to designer, so FPGA can complete required logic function.
FPGA in general speed than ASIC (special IC) is slow, it is achieved same merit Can be bigger than ASIC circuit area.But they also have a lot of advantages such as can quick finished product, The mistake in correction program and less expensive cost can be modified to.Manufacturer is likely to provide cheap But edit capability difference FPGA.Because these chips have poor can edit capability, so The exploitation of these designs is to complete on common FPGA, then design is transferred to one and is similar to On the chip of ASIC.Another method is with CPLD (Complex Programmable Logic Device, CPLD).The exploitation of FPGA is relative to tradition PC, the opening of single-chip microcomputer Send out and be very different.FPGA, based on concurrent operation, realizes with hardware description language;Compared to The order operation of PC or single-chip microcomputer (either von Neumann structure or Harvard structure) has the biggest difference.
As far back as 1980 mid-nineties 90s, FPGA takes root in PLD equipment.CPLD and FPGA Include the Programmadle logic unit of some relatively large amount.The density of CPLD gate arrives thousand of Between several ten thousand logical blocks, and FPGA is typically several ten thousand to millions of.CPLD and FPGA The main distinction be their system structure.CPLD is a somewhat restrictive structure.This knot Structure is arranged by the logical groups of one or more editable result sum and the locking of some relatively small amounts Depositor composition.Such result be a lack of edit motility, but but have it is anticipated that delay Time and the logical block advantage to connecting unit height ratio.And FPGA is to have a lot of connection lists Unit, although so allowing him edit more flexibly, but structure is complicated many.
The window based on indoor/outdoor temperature-difference using the present invention automatically turns on platform, in prior art Bedroom personnel are the uncontrollable technical problem of window when sleep state, introduce brightness sensing equipment and The sweat detection equipment of indoor and outdoor sensor and employing adaptivenon-uniform sampling threshold value, it is achieved personnel are ripe in bedroom Sweat the Automated condtrol that bedroom window carries out by degree according to indoor/outdoor temperature-difference and indoor occupant when sleeping.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-mentioned enforcement Example is not limited to the present invention.For any those of ordinary skill in the art, without departing from Under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above to the technology of the present invention Scheme makes many possible variations and modification, or is revised as the Equivalent embodiments of equivalent variations.Therefore, Every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention is to above example Any simple modification, equivalent variations and the modification done, all still falls within technical solution of the present invention protection In the range of.

Claims (2)

1. intelligent window automatically turns on a method, and the method includes:
1) a kind of window based on indoor/outdoor temperature-difference is provided to automatically turn on platform, described unlatching platform bag Include outdoor temperature sensor, indoor temperature transmitter, window control equipment and digital signal processor, Described outdoor temperature sensor is for detecting the indoor temperature within bedroom, described outdoor temperature sensor For detecting the outdoor temperature outside bedroom, described digital signal processor senses with described outdoor temperature Device, described indoor temperature transmitter and described window control equipment and connect respectively, calculate indoor temperature and The temperature difference between outdoor temperature, controls described window based on the described temperature difference and controls equipment realization to bedroom window The unlatching at family controls;
2) described unlatching platform is used to open.
2. the method for claim 1, it is characterised in that described unlatching platform also includes:
Infra-red heat phase equipment, is arranged on bedroom indoor, is used for bedroom indoor shot to obtain infrared figure Picture;
Visual light imaging equipment, is arranged on bedroom indoor, for visible to obtain to bedroom indoor shot Light image;
Brightness sensing equipment, is arranged in bedroom, is used for detecting in real time and exporting the environment within bedroom Brightness;
Sweat detection equipment, be arranged on doss position, bedroom, with described infra-red heat phase equipment and described can See that light imaging apparatus connects respectively, for described infrared image or described visible images are carried out image Process;
Power supply unit, is arranged on the exterior wall outside bedroom, connects including solar powered device, civil power Mouthful, switching switch and electric pressure converter, described switching switch and described solar powered device and described Commercial power interface connects respectively, decides whether to be switched to described according to the line voltage size at commercial power interface Solar powered device is to be powered by described solar powered device, and described electric pressure converter is cut with described Change switch to connect, so that 3.3V voltage will be converted to by the 5V voltage of switching switch input;
Portable hard drive, is used for prestoring luminance threshold, human body gray threshold scope and presetted pixel number Amount threshold value;
Described sweat detection equipment and described infra-red heat phase equipment and described visual light imaging equipment difference Connect, be used for receiving infrared image or visible images using as detection image;The detection of described sweat sets For including that Image semantic classification subset, threshold value select subset, human body segmentation's subset and sweat to extract Subset;Described Image semantic classification subset described detection image is performed successively edge enhancement process, Self adaptation recursive filtering processes, image expansion processes, Image erosion processes and gray processing processes, to obtain Obtain gray level image;Described threshold value selects subset and described portable hard drive and described Image semantic classification Equipment connects respectively, for selecting a value as preliminary election successively from described human body gray threshold scope Gray threshold, uses preliminary election gray threshold that gray level image is divided into preliminary election background area and preliminary election mesh Mark region, calculates preliminary election background area and occupies the area ratio of gray level image as background area ratio, Calculate the pixel average gray value of preliminary election background area as background average gray value, calculating pre-selected target Region occupies the area ratio of gray level image as target area ratio, the picture in calculating pre-selected target region Background average gray value, as target average gray value, is deducted target average gray by element average gray value Value, it is thus achieved that difference square be multiplied by target area than and background area ratio, it is thus achieved that product as threshold value Product, selects the preliminary election gray threshold of threshold value product maximum as target gray threshold value;Described human body divides Cutting subset selects subset to be connected with described threshold value, is used for using target gray threshold value by gray processing figure As being divided into background image and human body image;Described sweat extracts subset and sets with described human body segmentation's Standby and described portable hard drive connects respectively, extracts each sweat meeting sweat form from human body image Subimage, the pixel summation in each sweat subimage accumulative, when the pixel summation obtained is more than presetting During pixel quantity threshold value, it is judged that human body exists sweat and output exists sweat signal, when the pixel obtained When summation is less than or equal to presetted pixel amount threshold, it is judged that human body does not exist sweat and output does not exist antiperspirant Water signal;
Described digital signal processor and described outdoor temperature sensor, described indoor temperature transmitter, Described infra-red heat phase equipment, described visual light imaging equipment, described room brilliancy sensing equipment, described Portable hard drive, described sweat detection equipment and described window control equipment and connect respectively, when receive When ambient brightness is less than or equal to luminance threshold, opens described infra-red heat phase equipment and close described visible ray Imaging device, when the ambient brightness received is more than luminance threshold, cuts out described infra-red heat phase equipment And open described visual light imaging equipment;Described digital signal processor also receive exist sweat letter Number, indoor temperature is deducted outdoor temperature to obtain the temperature difference, realize bedroom window is opened according to the temperature difference Open control;
Wherein, in described sweat detection equipment, using infrared image as detection image before, by red Outer image carries out the conversion of visible ray formula image, using the image after conversion as detection image;
Wherein, described digital signal processor realizes the control of the unlatching to bedroom window specifically according to the temperature difference Including: window described in described DSP CONTROL controls equipment so that described window controls to set The standby aperture controlling window is directly proportional to the temperature difference;
Wherein, described portable hard drive has prestored temperature difference aperture synopsis, and described temperature difference aperture compares Table gives the mapping relations of each temperature range and window aperture, described digital signal processor root The aperture making described window control equipment control window according to described temperature difference aperture synopsis becomes with the temperature difference Direct ratio;
Wireless communication interface, is connected with described digital signal processor, for receiving and wireless transmission institute State ambient brightness and the described temperature difference;
Described wireless communication interface is that GPRS mobile communication interface, 3G mobile communication interface and 4G move One in dynamic communication interface.
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