CN101949571B - Chip for controlling air conditioner - Google Patents
Chip for controlling air conditioner Download PDFInfo
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- CN101949571B CN101949571B CN2010102909576A CN201010290957A CN101949571B CN 101949571 B CN101949571 B CN 101949571B CN 2010102909576 A CN2010102909576 A CN 2010102909576A CN 201010290957 A CN201010290957 A CN 201010290957A CN 101949571 B CN101949571 B CN 101949571B
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Abstract
The invention relates to a chip for controlling an air conditioner, which comprises an image sensing circuit, an image processing and detecting circuit, and a control signal generating circuit, wherein the image sensing circuit is used for acquiring images in a scene and converting the acquired images into digital image signals; the image processing and detecting circuit coupled with the image sensing circuit is used for processing and detecting the digital image signals output by the image sensing circuit; and the control signal generating circuit coupled with the image processing and detecting circuit is used for generating control signals for controlling the air conditioner according to the signals output by the image processing and detecting circuit. The chip provided by the invention can automatically control the air conditioner, and is used for realizing intelligent air supply and intelligent switching of the air conditioner.
Description
Technical field
The present invention relates to chip field, particularly be used to control the chip of air conditioner.
Background technology
General, when air conditioner carries out refrigerating operaton, suck from the refrigerant vapour machine that is compressed of indoor set; Be compressed into the HTHP gas; Enter the heat exchanger of off-premises station then, become refrigerant liquid, get into indoor heat exchanger again through carrying out heat exchange with outdoor air; Carry out heat exchange and become the low pressure refrigerant gas with room air, so again and again constantly circulation and reach the purpose of refrigeration.When carrying out heating operation, cold-producing medium is emitted heat in the heat exchanger of indoor set, and the heat exchanger absorption heat at off-premises station carries out heat pump and heats circulation, thereby reaches the purpose that heats.
Fig. 1 is a kind of traditional air conditioner structure sketch map, and as shown in Figure 1, this air conditioner comprises framework 10, is installed in the air exhausting device 20 on the framework, the driving mechanism 30 that links to each other with air exhausting device 20.Driving mechanism 30 can be controlled the wind speed and direction of air exhausting device 20 outside air drafts.Existing air conditioner generally includes following several modes to the adjusting of wind direction: the air-supply of (1) fixed angle, and this air supply pattern air supply direction can carry out manual adjustment, for example can adjust the variation of left and right horizontal angle and the variation of downward tilt; (2) scanning air-supply, this air supply pattern air supply direction changes continuously.These two kinds of air supply modes are in case set and can not change automatically.
Therefore above-mentioned air conditioner can only be set at fixing wind direction or blowing uniformly in the zone of setting, and can not control automatically.For example can not avoid drying regional object as required perhaps facing to this object blowing, perhaps can not be according to user's situation adjustment wind speed.So, when the air draft direction of position of human body variation or air exhausting device changed, air conditioner just possibly blow facing to human body with bigger wind speed, and this can let human body sensory uncomfortable.And under indoor unmanned situation, air conditioner of the prior art can not cut out automatically, can cause energy waste.
Therefore, how to realize automatic control,, become the problem that industry need solve in order to air-supply and the intelligent switch that overcomes existing air conditioner to air conditioner.For addressing this problem, need at first to solve the problem of implementation of the chip that is used to control air conditioner.
Summary of the invention
Technical problem to be solved by this invention is: how to realize a kind of chip that is used to control air conditioner.
For solving the problems of the technologies described above, the present invention provides a kind of chip that is used to control air conditioner, comprising: the image sensing circuit is used to gather the interior image of scene and the image of being gathered is converted into data image signal; Handle and testing circuit with the image of said image sensing couple, be used for the data image signal of image sensing circuit output is handled and detected; Scheme the control signal generation circuit that said image is handled and testing circuit is coupled, be used for producing the control signal of the said air conditioner of control according to the signal that image is handled and testing circuit is exported.
Alternatively, said image sensing circuit comprises pel array, row decoder, correlated double sampling circuit, column decoder, analog-to-digital conversion module and sequential and control circuit; The row address that said row decoder provides according to sequential and control circuit is opened the gauge tap of pel array by row, makes said correlated double sampling circuit read the signal of said pel array by row; Said correlated double sampling circuit according in the pel array by the difference of the resetting voltage of sampled pixel and exposure back voltage as the said photosignal intensity that is produced by the sampled pixel exposure; Said column decoder and said correlated double sampling circuit coupling, and according to the column address that sequential and control circuit provide controls said correlated double sampling circuit and from the delegation of the pel array read, chooses a pixel and export analog-to-digital conversion module to.
Alternatively, said analog-to-digital conversion module comprises the programmable amplifier and the analog-digital converter of coupling with it, and said programmable amplifier amplifies the signal of said correlated double sampling circuit output and input to analog-digital converter and converts data signal into.
Alternatively, the control object of said sequential and control circuit comprises the transfer of the resetting of each row of said pel array, gating and optical charge, and the sampling pulse of correlated double sampling circuit, sampling row address and column address.
Alternatively; Said image is handled and testing circuit comprises processor, program read-only memory and SRAM; Said program read-only memory is used to deposit image processing program, and image and intermediate data that said SRAM is used to said image sensing circuit output provide buffer-stored.
Alternatively; Said image is handled and testing circuit comprises data operation passage, state machine and control circuit and SRAM; Said data operation passage is used to handle the image of said image sensing circuit output; Said state machine and control circuit are used for control data arithmetic channel and SRAM, and image and intermediate data that said SRAM is used to said image sensing circuit output provide buffer-stored.
Alternatively, said image is handled and testing circuit comprises the irregularity algorithm processing module of being made up of processor and program read-only memory, the regular algorithm processing module of being made up of data operation passage and state machine and control circuit, and SRAM.
Alternatively, said processor is realized by MCU, DSP or the above two combination.
Compared with prior art, chip provided by the invention can be controlled air conditioner automatically, in order to realize the intelligent air supply and the intelligent switch of air conditioner.
Description of drawings
Through the more specifically explanation of the preferred embodiments of the present invention shown in the accompanying drawing, above-mentioned and other purpose, characteristic and advantage of the present invention will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing, focus on illustrating purport of the present invention by actual size equal proportion convergent-divergent.
Fig. 1 is the structural representation of air conditioner in the prior art;
Fig. 2 is the structured flowchart of air conditioner in the one embodiment of the invention;
Fig. 3 is the structured flowchart of image sensing circuit in the one embodiment of the invention;
Fig. 4 is that image is handled and the structured flowchart of testing circuit in the one embodiment of the invention;
Fig. 5 is that image is handled and the structured flowchart of testing circuit in the another embodiment of the present invention;
Fig. 6 is the structured flowchart of image processing and testing circuit among another embodiment of the present invention.
The specific embodiment
A lot of details have been set forth in the following description so that make much of the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention does not receive the restriction of following disclosed practical implementation.
Secondly, the present invention utilizes sketch map to be described in detail, when the embodiment of the invention is detailed; For ease of explanation; The profile of expression device architecture can be disobeyed general ratio and done local the amplification, and said sketch map is instance, and it should not limit the scope of the present invention's protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
The air conditioner that relates in the specific embodiment of the invention, comprise framework, be assemblied in said framework heat-exchange system, be assemblied in the driving mechanism that the air exhausting device of said framework links to each other with said air exhausting device; This air conditioner also comprises the chip of controlling air conditioner, and this chip is used to obtain image information, and generates the control signal that is used to control this air conditioner work based on the image information in this air conditioner workplace.
Wherein, Said control signal can be the wind direction/wind speed conditioning signal corresponding with the positional information of said human body, also can be not have the switching signal of closing said driving mechanism and heat-exchange system under the situation of human body information in the image information in said air conditioner workplace.
Do detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 2 is the structured flowchart of air conditioner in one embodiment of the present of invention.In the present embodiment, control signal comprises the wind direction corresponding with the positional information of said human body/wind speed conditioning signal.
As shown in Figure 2, air conditioner 110 comprises the driving mechanism 130 that the air exhausting device 120 that is arranged on the air conditioner 110 links to each other with air exhausting device 120, also comprises the chip 115 that links to each other with said driving mechanism 130.
Said chip 115 is used to obtain the positional information of the object in the air-conditioning work occasion, the positional information of the human body the room of air conditioner work in for example, and based on the generation of the image information in said air conditioner workplace control signal; Said driving mechanism 130 is used for driving air exhausting device 120 according to the control signal that said chip 115 generates.
As shown in Figure 3, chip 115 comprises image sensing circuit 1150, handles and testing circuit 1152 with the image of said image sensing circuit 1150 couplings, with the control signal generation circuit 1154 of image processing and testing circuit 1152 couplings.
Above-mentioned image sensing circuit 1150 is used to gather the image of air conditioner environment on every side.As shown in Figure 3, image sensing circuit 1150 comprises pel array 11500, row decoder 11502, correlated double sampling circuit 11504, column decoder 11506, analog-to-digital conversion module 11508 and sequential and control circuit 11510.
Pel array 11500 is main elements of sensitization, comprises light sensitive diode and the auxiliary MOS transistor of reading.Each pixel in the pel array 11500 is made up of light sensitive diode and 4 MOS transistors, is referred to as the 4T pixel, and 3T pixel in addition similarly or 5T pixel or the like repeat no more at this.Those skilled in the art understand, and the present invention's polytype pel array of can sampling is realized, is not limited to a certain pixel and makes pel array.
The row address that this row decoder 11502 can provide according to sequential and control circuit 11510; Open the gauge tap of pel array 11500 by row; Make the in running order and output sampled signal of a full line of pel array 11500, so correlated double sampling circuit 11504 can be by the signal of full line read pixel array 11500.
Correlated double sampling circuit 11504 can according in the pel array 11500 by the difference of the resetting voltage of sampled pixel and exposure back voltage as the said photosignal intensity that is produced by the sampled pixel exposure, can eliminate solid shape noise like this.Correlated double sampling circuit 11504 can be formed by the combination of circuits that two voltages subtract each other.
Analog-to-digital conversion module 11508 can comprise programmable amplifier and the analog-digital converter that is coupled with it.Programmable amplifier amplifies the signal of correlated double sampling circuit 11504 output and input to analog-digital converter and converts data signal into.
The control object of sequential and control circuit 11510 can comprise the transfer of the resetting of each row of pel array 11500, gating and optical charge, and the sampling pulse of correlated double sampling circuit 11504, sampling row address and column address and time for exposure.The control object of sequential and control circuit 11510 can also comprise like time for exposure control, Synchronization Control, clock control, readout window control, level and flip vertical control, flash lamp and mechanical shutter control, black level sampling control or the like.
Return Fig. 2, image is wherein handled and testing circuit 1152 comprises image pre-processing module 11520, people's face detection module 11522, human detection module 11524 and people's motion tracking module 11526.
Image pre-processing module 11520 wherein is used for the image that right image sensing circuit 1150 produced and carries out preliminary treatment, comprises image denoising and processing relevant with illumination or the like.
People's face detection module 11522 in image processing and the testing circuit 1152; Whether image that the image sensing circuit 1150 that is used for detecting is produced or the image of being handled through image pre-processing module 11520 have people's face; If any people's face, then calculate identification people face position and directional information and send this information to control signal generation circuit 1154.
Human detection module 11524 in image processing and the testing circuit 1152; Whether the image that the image that the image sensing circuit 1150 that is used for detecting is produced was perhaps handled through image pre-processing module 11520 has people's limbs; If any people's limbs, then calculate the identification people limbs position and directional information and send this information to control signal generation circuit 1154.
People's motion tracking module 11526 in image processing and the testing circuit 1152; Be used for people's face detection module 11522 or human detection module 11524 detected people's motion conditions is followed the tracks of; To confirm whether this person continues to stay in indoor; Or left the scene of being paid close attention to, and send this information to control signal generation circuit 1154.
Alternatively; Image is handled and testing circuit 1152 can also comprise activity detection module, and whether image that the image sensing circuit 1150 that is used for detecting is produced or the image of being handled through image pre-processing module 11520 have moving image and send this information to control signal generation circuit 1154.
As shown in Figure 4, in one embodiment of the invention, image is handled and the hardware of testing circuit 1152 realizes comprising processor 1520, program read-only memory 1522 and SRAM 1524.Wherein, program read-only memory 1522 is used to deposit image processing program; The image processing program that processor 1520 is used for depositing according to program read-only memory 1522 is handled the digital picture of image sensing circuit 1150 outputs; Image and intermediate data that SRAM 1524 is used to 1150 outputs of image sensing circuit provide buffer-stored.
As shown in Figure 5, in another embodiment of the present invention, image is handled and testing circuit 1152 comprises data operation passage 1526, state machine and control circuit 1528 and SRAM 1524.In this implementation method, data operation passage 1526 is used to handle the image of image sensing circuit 1150 outputs; State machine and control circuit 1528 are used for control data arithmetic channel 1526 and SRAM 1524; Image and intermediate data that SRAM 1524 is used to 1150 outputs of image sensing circuit provide buffer-stored.
As shown in Figure 6; In yet another embodiment of the present invention; Image is handled and testing circuit 1152 is made up of the two-way processing circuit module; The module of wherein being made up of processor 1520 and program read-only memory 1522 is used for carrying out the irregularity algorithm process, and the module of being made up of data operation passage 1526 and state machine and control circuit 1528 is used for carrying out regular algorithm process.The shared SRAM 1524 of this two pack module provides buffer-stored for image and intermediate data.
In the above-described embodiments; Processor 1520 can be by microprogram control unit (Microprogrammed Control Unit; MCU) or digital signal processor (Digital Signal Processor realizes separately that DSP) perhaps the combination by MCU and DSP realizes.
Return among Fig. 2, air conditioner 110 also comprises the air exhausting device 120 by driving mechanism 130 controls.And control signal generation circuit 1154 is used for the driving mechanism 130 according to the output signal controlling air conditioner 110 of image processing and testing circuit 1152.
Air exhausting device 120 can comprise sets of fan blades 1200 and air ejector fan 1202, and sets of fan blades 1200 can be discrete two independent device with air ejector fan 1202.Air ejector fan 1202 is used for the air through over-heat-exchanger is blowed to sets of fan blades 1200, through the rotating speed of control air ejector fan 1202 can controlled wind speed size.Sets of fan blades 1200 comprises a plurality of fan blade 1204, through conversion fan blade 1204 towards controlling wind direction.
Air conditioner 110 among the present invention obtains air conditioner 110 ambient image on every side by image processing and testing circuit 1152 in use; The image that the imageing sensor 11502 that image pre-processing module in image processing and the testing circuit 1152 is 11520 pairs is produced carries out preliminary treatment, obtains the higher image of definition; Next; Image handle and testing circuit 1152 in people's face detection module 11522 or human detection module 11524 carry out figure through the human body complexion scope and cut apart; Isolate the image of human body complexion, and then therefrom extract topological characteristic, thereby detect facial image or people's limbs image; Then; People's motion tracking module 11526 pairs of people's faces detection module 11522 in image processing and the testing circuit 1152 or human detection module 11524 detected people's motion conditions are followed the tracks of; To confirm that whether this person continues to stay in indoor, or has left the scene of being paid close attention to and has exported control signal generation circuit 1154 to; Control signal generation circuit 1154 generates the air draft control signal and exports driving mechanism 130 to according to the positional information of people's face or people's limbs in the image, and this air draft control signal comprises the wind direction corresponding with the positional information of said human body/wind speed conditioning signal; Driving mechanism 130 is according to the work of air draft control signal control air exhausting device 120.Concrete; Control signal generation circuit 1154 can calculate angle and the relation of air draft direction of each fan blade of sets of fan blades 1200, controls air draft direction that the angle of driving mechanism 130 each fan blade of adjustment makes fan blade then not towards the people region.
In addition, in other embodiment, can also comprise that people's motion tracking module 11526 pairs of people's faces detection module 11522 or human detection module 11524 detected people's motion conditions is followed the tracks of, thereby judge the moving region and the direction of motion of human body; Control signal generation circuit 1154 sends wind direction/wind speed conditioning signal that the moving region and the direction of motion with aforementioned human body are complementary; Make the angle of driving mechanism 130 each fan blade of adjustment make the air draft direction of fan blade be the direction except that the direction opposite with the direction of motion of said human body; Just do not dry, thereby while driving mechanism 130 reduces the wind speed that the rotating speed of air ejector fan 1202 reduces to dry in face of the direction of motion.
Certainly, in other embodiment, control signal generation circuit 1154 also can only send the wind speed conditioning signal or only send the wind direction conditioning signal with situation according to the actual requirements.
Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any technological human body person who is familiar with this area; Do not breaking away under the technical scheme scope situation of the present invention; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to technical scheme of the present invention, or are revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical scheme of the present invention, all still belongs in the scope of technical scheme protection of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (7)
1. a chip that is used to control air conditioner is characterized in that, comprising:
The image sensing circuit is used to gather the interior image of scene and the image of being gathered is converted into data image signal;
Handle and testing circuit with the image of said image sensing couple, be used for the data image signal of image sensing circuit output is handled and detected;
With the control signal generation circuit that said image is handled and testing circuit is coupled, be used for producing the control signal of the said air conditioner of control according to the signal that image is handled and testing circuit is exported;
Said image sensing circuit comprises pel array, row decoder, correlated double sampling circuit, column decoder, analog-to-digital conversion module and sequential and control circuit;
The row address that said row decoder provides according to sequential and control circuit is opened the gauge tap of pel array by row, makes said correlated double sampling circuit read the signal of said pel array by row;
Said correlated double sampling circuit according in the pel array by the difference of the resetting voltage of sampled pixel and exposure back voltage as the said photosignal intensity that is produced by the sampled pixel exposure;
Said column decoder and said correlated double sampling circuit coupling, and according to the column address that sequential and control circuit provide controls said correlated double sampling circuit and from the delegation of the pel array read, chooses a pixel and export analog-to-digital conversion module to.
2. the chip that is used to control air conditioner according to claim 1; It is characterized in that: said analog-to-digital conversion module comprises the programmable amplifier and the analog-digital converter of coupling with it, and said programmable amplifier amplifies the signal of said correlated double sampling circuit output and input to analog-digital converter and converts data signal into.
3. the chip that is used to control air conditioner according to claim 1; It is characterized in that: the control object of said sequential and control circuit comprises the transfer of the resetting of each row of said pel array, gating and optical charge, and the sampling pulse of correlated double sampling circuit, sampling row address and sampling column address.
4. the chip that is used to control air conditioner according to claim 1; It is characterized in that: said image is handled and testing circuit comprises processor, program read-only memory and SRAM; Said program read-only memory is used to deposit image processing program, and image and intermediate data that said SRAM is used to said image sensing circuit output provide buffer-stored.
5. the chip that is used to control air conditioner according to claim 1; It is characterized in that: said image is handled and testing circuit comprises data operation passage, state machine and control circuit and SRAM; Said data operation passage is used to handle the image of said image sensing circuit output; Said state machine and control circuit are used for control data arithmetic channel and SRAM, and image and intermediate data that said SRAM is used to said image sensing circuit output provide buffer-stored.
6. the chip that is used to control air conditioner according to claim 1; It is characterized in that: said image is handled and testing circuit comprises the irregularity algorithm processing module of being made up of processor and program read-only memory; The regular algorithm processing module of forming by data operation passage and state machine and control circuit, and SRAM.
7. according to claim 4 or the 6 described chips that are used to control air conditioner, it is characterized in that: said processor is realized by MCU, DSP or the above two combination.
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| CN2010102909576A CN101949571B (en) | 2010-09-20 | 2010-09-20 | Chip for controlling air conditioner |
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| CN2010102909576A CN101949571B (en) | 2010-09-20 | 2010-09-20 | Chip for controlling air conditioner |
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| CN101949571B true CN101949571B (en) | 2012-09-19 |
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| CN111352114B (en) * | 2018-12-20 | 2022-11-29 | 广东美的环境电器制造有限公司 | Control method and device for electrical equipment, electrical equipment and storage medium |
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| CN100416172C (en) * | 2007-04-28 | 2008-09-03 | 珠海格力电器股份有限公司 | Air-conditioning unit operating according to user-defined curve and control method therefor |
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| CN1862118A (en) * | 2005-05-11 | 2006-11-15 | Lg电子株式会社 | Air-conditioner |
| KR20070006177A (en) * | 2005-07-07 | 2007-01-11 | 삼성전자주식회사 | Apparatus for protecting communication chip of multi air conditioner |
| CN1737445A (en) * | 2005-07-25 | 2006-02-22 | 珠海格力电器股份有限公司 | Intelligent air supply air-conditioner and intelligent air supply method |
| EP1845315A2 (en) * | 2006-04-13 | 2007-10-17 | MWZ Beteiligungs GmbH | Identification device, in particular for clean rooms |
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Address after: Room 508-511, building a, Modern Plaza, No. 18, Weiye Road, Kunshan Development Zone, Suzhou, Jiangsu Patentee after: Ruixin Microelectronics Co., Ltd Address before: Room 508-511, block A, Modern Plaza, 18 Albert Road, Kunshan Development Zone, Jiangsu, 215300 Patentee before: BRIGATES MICROELECTRONICS (KUNSHAN) Co.,Ltd. |
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