CN104180897A - Light metering compensation device and light metering compensation method thereof - Google Patents
Light metering compensation device and light metering compensation method thereof Download PDFInfo
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- CN104180897A CN104180897A CN201410412686.5A CN201410412686A CN104180897A CN 104180897 A CN104180897 A CN 104180897A CN 201410412686 A CN201410412686 A CN 201410412686A CN 104180897 A CN104180897 A CN 104180897A
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Abstract
The invention belongs to the field of light control devices, particularly relates to a light metering compensation device and method, and aims to solve the technical problems that the development work is tedious due to the fact that a coefficient is required to be adjusted and compensated in a preset compensation module when a light intensity measurer is mounted on different types of panels in the prior art and deviation occurs to a measured value of external light intensity due to chromatic aberration in different batches of panels. A light source generator generates exciting light, first attenuation light is formed after the exciting light passes through a light barrier board, the light intensity measurer measures light intensity of the first attenuation light, a controller computes the light intensity of the exciting light and the light intensity of the first attenuation light to obtain a compensation coefficient, external light passes through a light transmitting panel to form second attenuation light, the light intensity measurer measures light intensity of the second attenuation light, the controller computes the light intensity of the second attenuation light and the compensation coefficient to obtain light intensity of the external light, and the light intensity of the external light serves as an anticipation condition of an equipment control strategy. According to the scheme, the light intensity of the external light can be accurately obtained, and equipment can implement control strategies according to different environments.
Description
Technical field
The invention belongs to light control device field, relate in particular to a kind of photometry compensation system and photometry compensation method thereof.
Background technology
Along with intelligentized development, increasing equipment has adopted luminous intensity measurement device to carry out light intensity to exterior light and has detected to judge environment for use, as fine day, cloudy day, daytime, night etc., and implement different control strategies according to different environment.Such as the luminous intensity measurement device being applied on air-conditioning, the light intensity of external environment condition detected by luminous intensity measurement device, air-conditioning is implemented different control strategies, changes the brightness of refrigeration mode and air supply pattern or adjusting screen light, has realized the intellectuality of air-conditioning.
But, equipment of the prior art, its outside whole panel is generally one-body molded, does not provide effective photometry environment to luminous intensity measurement device.Light measurer of the prior art is that luminous intensity measurement device is arranged on the display part of panel rear side, measured by luminous intensity measurement device after the light intensity of exterior light, obtain the light intensity after compensation by default compensating module, then carry out the selection of control strategy according to the light intensity after this compensation.The style difference of equipment, material, thickness or the disposal route difference of panel, can cause the transmittance difference of panel.In the process of debugging model machine, need in default compensating module, adjust corresponding penalty coefficient, to obtain exterior light light intensity accurately, cause the loaded down with trivial details of development.Further, the panel of different batches has aberration, and the light intensity that measures exterior light has deviation, makes the measurement of exterior light light intensity not accurate enough and can not normally carry out the selection of control strategy.
Summary of the invention
The object of the present invention is to provide a kind of photometry compensation system, be intended to solve and when luminous intensity measurement device of the prior art is arranged on to the panel of different styles, need in default compensating module, adjust penalty coefficient and cause that development is loaded down with trivial details and cause that because different batches panel exists aberration the measured value of exterior light light intensity produces the technical matters of deviation.
The present invention realizes like this, a kind of photometry compensation system, for receiving the exterior light that is positioned at light penetrating panel outside the light intensity of determining this exterior light, described photometry compensation system comprises the photoresistance dividing plate that is arranged on described light penetrating panel inner side, be arranged on the front side of described photoresistance dividing plate and the light source generator for generation of exciting light, be arranged on described photoresistance dividing plate rear side luminous intensity measurement device and for the light intensity of the light intensity of described exciting light and described the first attenuate light is compensated to the controller of coefficient by computing, described exterior light forms the second attenuate light through described light penetrating panel, described controller compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light being measured by described luminous intensity measurement device with described penalty coefficient, the material of described photoresistance dividing plate is all identical with described light penetrating panel with transmittance.
Another object of the present invention is to provide a kind of photometry compensation method of applying photometry compensation system, comprise the following steps:
S1) start described light source generator, the exciting light being produced by described light source generator forms described the first attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device is measured the light intensity of this first attenuate light;
S2) described controller obtains described penalty coefficient by the light intensity of the light intensity of described exciting light and described the first attenuate light by computing;
S3) close described light source generator, described exterior light forms described the second attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device measures the light intensity of this second attenuate light;
S4) described controller compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light with described penalty coefficient;
S5) start corresponding control strategy according to the light intensity of described exterior light.
A further object of the present invention is to provide a kind of photometry compensation method of applying photometry compensation system, comprises the following steps:
S1) be in the light mechanism described in making in intercepting the state of described exterior light through described light penetrating panel, start described light source generator, the exciting light being produced by described light source generator forms described the first attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device is measured the light intensity of described the first attenuate light;
S2) described controller obtains described penalty coefficient by the light intensity of the light intensity of described exciting light and described the first attenuate light by computing;
S3) be in the light mechanism described in making in allowing the state of described exterior light through described light penetrating panel, close described light source generator, described exterior light forms described the second attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device is measured the light intensity of described the second attenuate light;
S4) described controller compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light with described penalty coefficient;
S5) start corresponding control strategy according to the light intensity of described exterior light.
The present invention with respect to the technique effect of prior art is: produce exciting light by light source generator, after photoresistance dividing plate, form the first attenuate light, luminous intensity measurement device measures the light intensity of the first attenuate light, controller is compensated coefficient by the light intensity of the light intensity of exciting light and the first attenuate light by computing, exterior light forms the second attenuate light through light penetrating panel, luminous intensity measurement device measures the light intensity of the second attenuate light, controller obtains the light intensity of the second attenuate light and penalty coefficient computing the light intensity of exterior light, as the anticipation condition of equipment control strategy.This scheme is convenient and practical, there is for the panel of different styles the situation that material, thickness or disposal route are different, or there is the situation of aberration for the panel of different batches, or variable color causes the situation that decay is different for long-time use rear panel, can adjust the penalty coefficient under actual condition, to obtain external light intensity accurately, thereby allow equipment implement different control strategies according to different environment.Also have, the setting mechanism of being in the light, while allowing luminous intensity measurement device measure the light intensity of the first attenuate light, intercept exterior light through light penetrating panel, and in the time that luminous intensity measurement device is measured the light intensity of the second attenuate light, allow exterior light through light penetrating panel, be conducive to improve the accuracy of measuring the light intensity of the first attenuate light and the light intensity of the second attenuate light, thus the accuracy that improves penalty coefficient.
Brief description of the drawings
Fig. 1 is the structural representation of the photometry compensation system that provides of first embodiment of the invention.
Fig. 2 is the schematic top plan view of the photometry compensation system of Fig. 1.
Fig. 3 is the structural representation of the photometry compensation system that provides of second embodiment of the invention.
Fig. 4 is the schematic top plan view of the photometry compensation system of Fig. 3.
Fig. 5 is the structural representation of the photometry compensation system that provides of third embodiment of the invention.
Fig. 6 is the schematic top plan view of the photometry compensation system of Fig. 5.
Fig. 7 is the circuit diagram of the liquid crystal board applied in the photometry compensation system of Fig. 5.
Fig. 8 is the structural representation of the photometry compensation system that provides of fourth embodiment of the invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In homogeneous material, optical attenuation is linear, and its decay formula is:
I＝I
0·EXP(-μd) (1)
Wherein, I is through the light intensity after medium; I
0it is light intensity before not passing through medium; EXP is the exponential function taking natural constant e the end of as; μ is the attenuation coefficient of light; D is dielectric thickness.
The influence factor of light attenuation coefficient μ comprises the energy of medium atomic number, Media density, light.The light of same energy, larger through the atomic number of medium, Media density is larger, and the decay that light is subject in this medium is also larger.When the light of different-energy passes same medium, the light that energy is low will be subject to larger decay.
Equipment is in the different environment for use of fine day, cloudy day, daytime, night, and the energy of exterior light can be different, and correspondingly, light attenuation coefficient μ also can be different.If panel is aging, medium changes, and medium atomic number and Media density change, and light attenuation coefficient μ also can be different.Further, have for the panel of different styles the situation that material, thickness or disposal route are different, or have the situation of aberration for the panel of different batches, or for the situation of long-time use rear panel variable color, light attenuation coefficient μ also can be different.
Thought of the present invention is to use medium and its thickness d of commaterial constant, first utilizes light intensity for I
0exciting light form the first attenuate light after by medium, the light intensity that measures the first attenuate light is I
1, according to formula (1), computing obtains the light attenuation coefficient μ under this environment for use.Allow exterior light form the second attenuate light through medium, the light intensity that measures the second attenuate light is I again
2, then according to formula (1), computing obtains the light intensity of exterior light, according to the exterior light light intensity under this environment for use, selects suitable control strategy.Although the existence of various different factors, the exterior light light intensity that the present invention obtains is effectively, thereby realizes the intellectuality of equipment.
Refer to Fig. 1, Fig. 2, a kind of photometry compensation system that first embodiment of the invention provides, for receiving the exterior light that is positioned at light penetrating panel 80 outsides the light intensity of determining this exterior light, described photometry compensation system comprises the photoresistance dividing plate 10 that is arranged on described light penetrating panel 80 inner sides, be arranged on the front side of described photoresistance dividing plate 10 and the light source generator 20 for generation of exciting light, be arranged on described photoresistance dividing plate 10 rear side luminous intensity measurement device 30 and for the light intensity of the light intensity of described exciting light and described the first attenuate light is compensated to the controller 40 of coefficient by computing, described exterior light forms the second attenuate light through described light penetrating panel 80, described controller 40 compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light being measured by described luminous intensity measurement device 30 with described penalty coefficient, the material of described photoresistance dividing plate 10 is all identical with described light penetrating panel 80 with transmittance.
In the present embodiment, the equipment that light penetrating panel 80 is installed is vertical air-conditioner indoor unit.Understandably, the equipment that light penetrating panel 80 is installed can also be other electric equipments or device.The outside of light penetrating panel 80 and inner side are for whole air-conditioner housing, and light penetrating panel 80 is parts of air-conditioner housing, and the front side of light penetrating panel 80 and outside are for light path, and the front side of optical routing light penetrating panel 80 is to the rear side of light penetrating panel 80.
Photoresistance dividing plate 10 is tabular, is arranged on light penetrating panel 80 inner sides.Photoresistance dividing plate 10 has identical material, thickness and disposal route with light penetrating panel 80, ensures that both transmittances are identical.Preferably, photoresistance dividing plate 10 adopts integrated injection molding with light penetrating panel 80, and photoresistance dividing plate 10 is identical with the thickness of light penetrating panel 80.In the present embodiment, photoresistance dividing plate 10 is vertically set on light penetrating panel 80 inner sides, be provided with the first support 11 for light source generator 20 is installed in the front side of photoresistance dividing plate 10, be provided with the second support 12 for luminous intensity measurement device 30 is installed in the rear side of photoresistance dividing plate 10, the first support 11, the second support 12 are integrated injection mo(u)lding with photoresistance dividing plate 10, are convenient to processing and assembling.
Light source generator 20 comprises LED lamp, is arranged on the front side of photoresistance dividing plate 10, for generation of the exciting light of predetermined light intensity.Luminous intensity measurement device 30 comprises photoresistance, is arranged on the rear side of photoresistance dividing plate 10, for accepting the light intensity signal of light.Line between light source generator 20 and luminous intensity measurement device 30 is perpendicular on photoresistance dividing plate 10, and exciting light vertical irradiation, to photoresistance dividing plate 10, allows at utmost receiving optical signals of luminous intensity measurement device 30, the accuracy that improves luminous intensity measurement.
The inner side along continuous straight runs of air-conditioner housing is provided with a back up pad 70, for the installation of other parts.The inner side of air-conditioner housing is provided with air conditioner electric control assembly, for controlling the work of various components and parts.Air conditioner electric control assembly comprises controller 40.Between controller 40 and light source generator 20, be electrically connected by wire 61, controller 40 can be controlled light source generator 20 and produce the exciting light of predetermined light intensity.Between controller 40 and luminous intensity measurement device 30, be electrically connected by wire, controller 40 can gather the light intensity signal that is received light by luminous intensity measurement device 30.Controller 40 can carry out computing to various signals, and other components and parts are sent to the instruction of implementing control strategy.
The course of work of photometry compensation system: start light source generator 20, light source generator 20 gives default light intensity excitation, this exciting light forms the first attenuate light after the decay of photoresistance dividing plate 10, the first attenuate light arrives luminous intensity measurement device 30, measure by this luminous intensity measurement device 30 light intensity receiving, by controller 40, the light intensity of the light intensity of exciting light and the first attenuate light is compensated to coefficient by computing, penalty coefficient is exactly light attenuation coefficient μ.Then close light source generator 20, while measuring again the light intensity of exterior light, the light intensity of measured exterior light is compensated to computing and obtains the light intensity of exterior light to the light intensity of the second attenuate light with penalty coefficient through controller 40 later.
Produce exciting light by light source generator 20, after photoresistance dividing plate 10, form the first attenuate light, luminous intensity measurement device 30 measures the light intensity of the first attenuate light, controller 40 is compensated coefficient by the light intensity of the light intensity of exciting light and the first attenuate light by computing, exterior light forms the second attenuate light through light penetrating panel 80, luminous intensity measurement device 30 measures the light intensity of the second attenuate light, controller 40 obtains the light intensity of the second attenuate light and penalty coefficient computing the light intensity of exterior light, as the anticipation condition of equipment control strategy.This scheme is convenient and practical, there is for the panel of different styles the situation that material, thickness or disposal route are different, or there is the situation of aberration for the panel of different batches, or variable color causes the situation that decay is different for long-time use rear panel, can adjust the penalty coefficient under actual condition, to obtain external light intensity accurately, thereby allow equipment implement different control strategies according to different environment.
Further, described photometry compensation system also comprises the mechanism 50 of being in the light that allows the described light penetrating panel 80 of described exterior light process for intercept described exterior light in the time that described luminous intensity measurement device 30 is measured the light intensity of described the first attenuate light through described light penetrating panel 80 in the time that described luminous intensity measurement device 30 is measured the light intensity of described the second attenuate light.The setting mechanism 50 of being in the light, while allowing luminous intensity measurement device 30 measure the light intensity of the first attenuate light, intercept exterior light through light penetrating panel 80, and in the time that luminous intensity measurement device 30 is measured the light intensity of the second attenuate light, allow exterior light through light penetrating panel 80, be conducive to improve the accuracy of measuring the light intensity of the first attenuate light and the light intensity of the second attenuate light, thus the accuracy that improves penalty coefficient.
Further, described in the light barrier that mechanism 50 comprises force piece and driven by described force piece that is in the light, this light barrier is arranged on the rear side of described photoresistance dividing plate 10; Inject at the light of described exterior light in the direction of described light penetrating panel 80, this light barrier be positioned at described luminous intensity measurement device 30 before.Between controller 40 and force piece, be electrically connected by wire 62, controller 40 can be realized the motion control of force piece or the conversion of duty.Preferably, the mechanism 50 of being in the light is arranged on the inner side of light penetrating panel 80, and this structure is both artistic and practical.Further, light barrier is mutually concordant with the inner side of light penetrating panel 80, and this structure is convenient to install, and also in the time that luminous intensity measurement device 30 is measured the light intensity of the first attenuate light, effectively intercepts exterior light through light penetrating panel 80, improves the accuracy of the light intensity of measuring the first attenuate light.
Further, described force piece is electric cylinder 52, and described electric cylinder 52 has the output shaft 521 of a linear movement output, and described light barrier 511 is fixedly connected on described output shaft 521.In the present embodiment, electric cylinder 52 is arranged in back up pad 70, and the linear movement direction that electric cylinder 52 is exported parallels with light penetrating panel 80, is convenient to the light barrier 511 mutually concordant with the inner side of light penetrating panel 80 and coordinates, and effectively realizes the position control of light barrier 511.For the ease of the installation of light barrier 511, between the output shaft 521 of electric cylinder 52 and light barrier 511, be provided with connecting rod 57.Understandably, force piece can be realized the machine power part of rectilinear motion to drive light barrier 511 to move for pneumatic cylinder, hydraulic cylinder or other.
Refer to Fig. 3, Fig. 4, the photometry compensation system that second embodiment of the invention provides, roughly the same with the photometry compensation system that the first embodiment provides, different from the first embodiment:
Described force piece comprise have the output shaft 531 that an output rotatablely moves motor 53, synchronize with the described output shaft 531 of this motor 53 gear 54 that rotates, with the tooth bar 55 of described gear 54 engaged transmission and for limiting the guide groove 56 of moving range of described tooth bar 55, described light barrier 512 is fixedly connected on described tooth bar 55.In the present embodiment, motor 53, guide groove 56 are all arranged in back up pad 70, and motor 53 drives the gear 54 on its output shaft 531 to rotate, and gear 54 is with carry-over bar 55 moving linearlies, and tooth bar 55 is limited in slip in guide groove 56.For the ease of the installation of light barrier 512, between tooth bar 55 and light barrier 512, be provided with connecting rod 57.
Refer to Fig. 5 to Fig. 7, the photometry compensation system that third embodiment of the invention provides, roughly the same with the photometry compensation system that the first embodiment provides, different from the first embodiment:
Further, described in be in the light mechanism 50 for thering is the liquid crystal board 513 of energising printing opacity and power-off shading, this liquid crystal board 513 is arranged on the rear side of described photoresistance dividing plate 10; Inject at the light of described exterior light in the direction of described light penetrating panel 80, this liquid crystal board 513 be positioned at described luminous intensity measurement device 30 before.In liquid crystal board 513, liquid crystal molecule is arranged in a linear under "on" position, now liquid crystal board 513 printing opacities and transparent.And in the time of off-position, liquid crystal molecule is scattering state, now liquid crystal board 513 printing opacities but opaque.In the present embodiment, adopt liquid crystal board 513 to connect power supply 5131 and form loop with switch 5132, by switch 5132, can realize the switching of printing opacity and shading, meet demand of the present invention.
Refer to Fig. 8, the photometry compensation system that fourth embodiment of the invention provides, roughly the same with the photometry compensation system that the first embodiment provides, different from the first embodiment:
Further, the described mechanism 50 of being in the light comprises the light barrier 514 and the relay 58 that described light barrier 514 is rotated that matches with described light barrier 514 that rotate installation with respect to described luminous intensity measurement device 30, and this light barrier 514 is arranged on the rear side of described photoresistance dividing plate 10; Inject at the light of described exterior light in the direction of described light penetrating panel 80, this light barrier 514 be positioned at described luminous intensity measurement device 30 before.In the present embodiment, the rotating shaft 514a of light barrier 514 vertically, on light penetrating panel 80, is fixedly installed the ferromagnetic unit 59 of being made by ferrimagnet on light barrier 514.Relay 58 comprises electromagnet 581, power supply 583 and switch 582, electromagnet 581 connects power supply 583 and forms loop with switch 582, by switch 582, can allow electromagnet 581 be magnetic and nonmagnetic between switch, coordinate again ferromagnetic unit 59, allow light barrier 514 realize printing opacity or shading to exterior light.
Refer to Fig. 1 to Fig. 8, a kind of photometry compensation method of applying photometry compensation system that first embodiment of the invention provides, comprises the following steps:
S1) start described light source generator 20, the exciting light being produced by described light source generator 20 forms described the first attenuate light through described photoresistance dividing plate 10, and described luminous intensity measurement device 30 is measured the light intensity of this first attenuate light; The light intensity of the exciting light that in the present embodiment, light source generator 20 produces is I
0, the photoresistance dividing plate 10 that exciting light is d through thickness forms the first attenuate light, and the light intensity that luminous intensity measurement device 30 is measured the first attenuate light is I
1.
S2) described controller 40 obtains described penalty coefficient by the light intensity of the light intensity of described exciting light and described the first attenuate light by computing; Can obtain the now penalty coefficient of photoresistance dividing plate 10 by formula (1) computing is μ.
S3) close described light source generator 20, described exterior light forms described the second attenuate light through described photoresistance dividing plate 10, and described luminous intensity measurement device 30 measures the light intensity of this second attenuate light; The light intensity of case of external light is Ix, and exterior light is through the thickness light penetrating panel 80 that is d, and it is I that luminous intensity measurement device 30 is measured the light intensity that exterior light forms the second attenuate light
2.
S4) described controller 40 compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light with described penalty coefficient; Light penetrating panel 80 is consistent with material and the disposal route of photoresistance dividing plate 10, there is not the situation of aberration in same lots processed in light penetrating panel 80 and photoresistance dividing plate 10, cause that for light penetrating panel after long-time use 80 and 10 variable colors of photoresistance dividing plate attenuation is roughly the same, the penalty coefficient μ of known now photoresistance dividing plate 10 equates with the penalty coefficient of light penetrating panel 80 now, by formula (1), computing can obtain the now light intensity Ix of exterior light.
S5) start corresponding control strategy according to the light intensity of described exterior light.
Further, in step S1) also comprise before step S11), the default range of light intensity of described controller 40, described controller 40 is measured described exterior light according to described luminous intensity measurement device 30 and is judged that through the light intensity of described light penetrating panel 80 this light intensity is whether in described default range of light intensity, if this light intensity, outside described default range of light intensity, is judged to be night, ability operating procedure S1 in the time being judged to be night) to step S5).Measure night, utilizes luminous intensity measurement device 30 tentatively to carry out light intensity data collection, judges daytime and night, starts compensating measure at night when light intensity step-down.Setting steps S11), while allowing luminous intensity measurement device 30 measure the light intensity of the first attenuate light, intercept exterior light through light penetrating panel 80, and in the time that luminous intensity measurement device 30 is measured the light intensity of the second attenuate light, allow exterior light through light penetrating panel 80, be conducive to improve the accuracy of measuring the light intensity of the first attenuate light and the light intensity of the second attenuate light, thus the accuracy that improves penalty coefficient.
Or, in step S1) also comprise before step S12), a predetermined light intensity value is set on described controller 40, the light intensity of described controller 40 more described exterior light and described predetermined light intensity value; Ability operating procedure S1 in the time that the light intensity of described exterior light is less than or equal to described predetermined light intensity value) to step S5).When dark, measure, according to the variation of light intensity, in the time that the outside light intensity receiving is less than certain preset value, the light intensity that this value produces much smaller than light intensity generation module, can compensate measurement.Setting steps S12), while allowing luminous intensity measurement device 30 measure the light intensity of the first attenuate light, intercept exterior light through light penetrating panel 80, and in the time that luminous intensity measurement device 30 is measured the light intensity of the second attenuate light, allow exterior light through light penetrating panel 80, be conducive to improve the accuracy of measuring the light intensity of the first attenuate light and the light intensity of the second attenuate light, thus the accuracy that improves penalty coefficient.
Or, in step S1) also comprise before step S13), a predetermined duration that uses is set on described controller 40, per service time is while reaching described predetermined use duration, operating procedure S1) to step S5).If panel is aging, medium changes, and medium atomic number and Media density change, and light attenuation coefficient μ also can be different.Step S13) decaying offset that can answer the aging grade of counter plate to cause, thus the accuracy that improves penalty coefficient.
A kind of photometry compensation method of applying photometry compensation system that second embodiment of the invention provides, roughly the same with the photometry compensation method that the first embodiment provides, different from the first embodiment: at step S1) in, described in making, be in the light mechanism 50 in intercepting the state of described exterior light through described light penetrating panel 80, then measure the light intensity of the first attenuate light.At step S3) in, the mechanism 50 of being in the light described in making is in allowing the described exterior light state through described light penetrating panel 80, then measures the light intensity of the second attenuate light.The setting mechanism 50 of being in the light, while allowing luminous intensity measurement device 30 measure the light intensity of the first attenuate light, intercept exterior light through light penetrating panel 80, and in the time that luminous intensity measurement device 30 is measured the light intensity of the second attenuate light, allow exterior light through light penetrating panel 80, be conducive to improve the accuracy of measuring the light intensity of the first attenuate light and the light intensity of the second attenuate light, thus the accuracy that improves penalty coefficient.
For air-conditioning, a lot of with the control strategy of selecting according to the light intensity of exterior light.
Such as air-conditioning judges whether to enter sleep state.In refrigeration or when heating pattern, when being consecutively detected in the given time light when dark, air-conditioning enters sleep state, automatically changes wind direction, and according to the operating condition of refrigeration or heating, carries out temperature correction, reaches the object that improves sleep comfortableness.In the time of automatic or air supply pattern, do not enter sleep state.If be consecutively detected in the given time light when strong, air-conditioning will be to enter the set model operation before sleep state.
Such as the infrared human body induction sensor in conjunction with human body activity size, the brightness of adjusting screen light.Human activity amount is divided into some grades, and the light intensity of exterior light is also divided into some grades.Judge the large and exterior light of human activity amount when brighter when air-conditioning, the brightness of adjusting screen is to maximal value.Judge human activity amount light intensity general or exterior light when general when air-conditioning, the brightness of adjusting screen is to medium value.Hour, the brightness of adjusting screen is to minimum value for the light intensity of judging human activity amount peace and quiet and exterior light when air-conditioning.For user facilitates, meet requirement intelligent and hommization.
Such as the infrared human body induction sensor in conjunction with human body activity size, change refrigeration mode and air supply pattern.Judge the more and exterior light of occupancy when brighter when air-conditioning, air-conditioning just needs larger refrigerating capacity and air output.Judge the less and exterior light of occupancy when darker when air-conditioning, air-conditioning does not just need larger refrigerating capacity and air output, avoids cold and makes the sick feelings Condition of user.Room air is remained on to the state of user's the most comfortable, reach again energy-saving effect.
Air-conditioning also has many positive control strategies to improve intellectuality and the comfortableness of air-conditioning.And adopt photometry compensation system provided by the invention and method, there is for the panel of different style air-conditionings the situation that material, thickness or disposal route are different, or there is the situation of aberration for the panel of different batches, or variable color causes the situation that decay is different for long-time use rear panel, can adjust the penalty coefficient under actual condition, to obtain external light intensity accurately, thereby allow air-conditioning implement different control strategies according to different environment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a photometry compensation system, for receiving the exterior light that is positioned at light penetrating panel outside the light intensity of determining this exterior light, it is characterized in that: described photometry compensation system comprises the photoresistance dividing plate that is arranged on described light penetrating panel inner side, be arranged on the front side of described photoresistance dividing plate and the light source generator for generation of exciting light, be arranged on described photoresistance dividing plate rear side luminous intensity measurement device and for the light intensity of the light intensity of described exciting light and described the first attenuate light is compensated to the controller of coefficient by computing, described exterior light forms the second attenuate light through described light penetrating panel, described controller compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light being measured by described luminous intensity measurement device with described penalty coefficient, the material of described photoresistance dividing plate is all identical with described light penetrating panel with transmittance.
2. photometry compensation system as claimed in claim 1, is characterized in that: described photometry compensation system also comprises the mechanism of being in the light that allows the described light penetrating panel of described exterior light process for intercept described exterior light in the time that described luminous intensity measurement device is measured the light intensity of described the first attenuate light through described light penetrating panel in the time that described luminous intensity measurement device is measured the light intensity of described the second attenuate light.
3. photometry compensation system as claimed in claim 2, is characterized in that: described in the light barrier that mechanism comprises force piece and driven by described force piece that is in the light, this light barrier is arranged on the rear side of described photoresistance dividing plate; Inject at the light of described exterior light in the direction of described light penetrating panel, this light barrier be positioned at described luminous intensity measurement device before.
4. photometry compensation system as claimed in claim 2, is characterized in that: described in the mechanism of being in the light be the liquid crystal board with energising printing opacity and power-off shading, this liquid crystal board is arranged on the rear side of described photoresistance dividing plate; Inject at the light of described exterior light in the direction of described light penetrating panel, this liquid crystal board be positioned at described luminous intensity measurement device before.
5. photometry compensation system as claimed in claim 2, it is characterized in that: described in the mechanism of being in the light comprise with respect to described luminous intensity measurement device and rotate the light barrier of installing and the relay that described light barrier is rotated that matches with described light barrier, this light barrier is arranged on the rear side of described photoresistance dividing plate; Inject at the light of described exterior light in the direction of described light penetrating panel, this light barrier be positioned at described luminous intensity measurement device before.
6. apply a photometry compensation method for photometry compensation system as claimed in claim 1, comprise the following steps:
S1) start described light source generator, the exciting light being produced by described light source generator forms described the first attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device is measured the light intensity of this first attenuate light;
S2) described controller obtains described penalty coefficient by the light intensity of the light intensity of described exciting light and described the first attenuate light by computing;
S3) close described light source generator, described exterior light forms described the second attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device measures the light intensity of this second attenuate light;
S4) described controller compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light with described penalty coefficient;
S5) start corresponding control strategy according to the light intensity of described exterior light.
7. photometry compensation method as claimed in claim 6, it is characterized in that: in step S1) also comprise before step S11), described controller is preset range of light intensity, described controller is measured described exterior light according to described luminous intensity measurement device and is judged that through the light intensity of described light penetrating panel this light intensity is whether in described default range of light intensity, if this light intensity, outside described default range of light intensity, is judged to be night, ability operating procedure S1 in the time being judged to be night) to step S5).
8. photometry compensation method as claimed in claim 6, it is characterized in that: in step S1) also comprise before step S12), a predetermined light intensity value is set on described controller, the light intensity of the more described exterior light of described controller and described predetermined light intensity value; Ability operating procedure S1 in the time that the light intensity of described exterior light is less than or equal to described predetermined light intensity value) to step S5).
9. photometry compensation method as claimed in claim 6, it is characterized in that: in step S1) also comprise before step S13), a predetermined duration that uses is set on described controller, and per service time is while reaching described predetermined use duration, operating procedure S1) to step S5).
10. a photometry compensation method for application photometry compensation system as described in claim 2 to 5 any one, comprises the following steps:
S1) be in the light mechanism described in making in intercepting the state of described exterior light through described light penetrating panel, start described light source generator, the exciting light being produced by described light source generator forms described the first attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device is measured the light intensity of described the first attenuate light;
S2) described controller obtains described penalty coefficient by the light intensity of the light intensity of described exciting light and described the first attenuate light by computing;
S3) be in the light mechanism described in making in allowing the state of described exterior light through described light penetrating panel, close described light source generator, described exterior light forms described the second attenuate light through described photoresistance dividing plate, and described luminous intensity measurement device is measured the light intensity of described the second attenuate light;
S4) described controller compensates computing and obtains the light intensity of described exterior light to the light intensity of described the second attenuate light with described penalty coefficient;
S5) start corresponding control strategy according to the light intensity of described exterior light.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501386A (en) * | 2014-12-10 | 2015-04-08 | 广东美的制冷设备有限公司 | Panel component for household electrical appliance, air conditioner and light metering method for panel component |
| CN108716950A (en) * | 2018-05-16 | 2018-10-30 | 北京小米移动软件有限公司 | Environmental light brightness acquisition methods and device |
| WO2019119838A1 (en) * | 2017-12-22 | 2019-06-27 | 佛山市顺德区美的电热电器制造有限公司 | Storage quantity detection method and device, cooking apparatus, and computer readable storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201262700Y (en) * | 2008-09-19 | 2009-06-24 | 四川长虹电器股份有限公司 | Control device for air conditioner |
| JP2009257813A (en) * | 2008-04-14 | 2009-11-05 | Epson Imaging Devices Corp | Light intensity detection circuit and display device |
| CN201434455Y (en) * | 2009-07-07 | 2010-03-31 | 孙学军 | Air conditioner for case body |
| CN201935335U (en) * | 2010-12-31 | 2011-08-17 | 海信（山东）空调有限公司 | Air conditioner provided with display screen with automatic light sensing function |
| CN202281748U (en) * | 2011-10-20 | 2012-06-20 | 宁波奥克斯空调有限公司 | Light sensing and detecting device |
| CN202928018U (en) * | 2012-10-25 | 2013-05-08 | 宁波奥克斯空调有限公司 | Display device of packaged air conditioner |
| CN103703320A (en) * | 2011-08-03 | 2014-04-02 | 日立空调·家用电器株式会社 | Air conditioner |
| CN204241104U (en) * | 2014-08-20 | 2015-04-01 | 广东美的集团芜湖制冷设备有限公司 | Photometric Compensation device |
-
2014
- 2014-08-20 CN CN201410412686.5A patent/CN104180897B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009257813A (en) * | 2008-04-14 | 2009-11-05 | Epson Imaging Devices Corp | Light intensity detection circuit and display device |
| CN201262700Y (en) * | 2008-09-19 | 2009-06-24 | 四川长虹电器股份有限公司 | Control device for air conditioner |
| CN201434455Y (en) * | 2009-07-07 | 2010-03-31 | 孙学军 | Air conditioner for case body |
| CN201935335U (en) * | 2010-12-31 | 2011-08-17 | 海信（山东）空调有限公司 | Air conditioner provided with display screen with automatic light sensing function |
| CN103703320A (en) * | 2011-08-03 | 2014-04-02 | 日立空调·家用电器株式会社 | Air conditioner |
| CN202281748U (en) * | 2011-10-20 | 2012-06-20 | 宁波奥克斯空调有限公司 | Light sensing and detecting device |
| CN202928018U (en) * | 2012-10-25 | 2013-05-08 | 宁波奥克斯空调有限公司 | Display device of packaged air conditioner |
| CN204241104U (en) * | 2014-08-20 | 2015-04-01 | 广东美的集团芜湖制冷设备有限公司 | Photometric Compensation device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501386A (en) * | 2014-12-10 | 2015-04-08 | 广东美的制冷设备有限公司 | Panel component for household electrical appliance, air conditioner and light metering method for panel component |
| CN104501386B (en) * | 2014-12-10 | 2018-08-17 | 广东美的制冷设备有限公司 | Light measuring method for the panel assembly of household electrical appliance, air conditioner and panel assembly |
| WO2019119838A1 (en) * | 2017-12-22 | 2019-06-27 | 佛山市顺德区美的电热电器制造有限公司 | Storage quantity detection method and device, cooking apparatus, and computer readable storage medium |
| CN108716950A (en) * | 2018-05-16 | 2018-10-30 | 北京小米移动软件有限公司 | Environmental light brightness acquisition methods and device |
| US11015973B2 (en) | 2018-05-16 | 2021-05-25 | Beijing Xiaomi Mobile Software Co., Ltd. | Method and apparatus for acquiring ambient light brightness based on the luminance value of the screen of a terminal device |
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|---|---|
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