CN105472838A - Light method and lighting device - Google Patents
Light method and lighting device Download PDFInfo
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- CN105472838A CN105472838A CN201510684835.8A CN201510684835A CN105472838A CN 105472838 A CN105472838 A CN 105472838A CN 201510684835 A CN201510684835 A CN 201510684835A CN 105472838 A CN105472838 A CN 105472838A
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Abstract
The embodiments of the invention disclose a light method and a lighting device. A target illumination value of a target region is detected, and a power supply current value of a light emitting unit is adjusted according to the target illumination value, so that the target illumination value is enabled to be in a preset illumination range. No matter how is the light environment where the target region exists, the power supply current value confirming to the illumination range can be found, so that a good light environment is provided to people, and the eye health of the people is effectively protected.
Description
Technical field
The present invention relates to lighting technical field, particularly a kind of means of illumination and lighting device.
Background technology
Along with the fast development of lighting technology; illumination is no longer only confined to irradiated object in target area is illuminated already; but upgrading to a kind of by light illumination value in target area to be maintained in a rational scope technology realizing illuminating objects and protection human eye simultaneously, nowadays this lighting technology is applied more extensive.
In prior art, light illumination value in target area is generally made to meet eyeshield demand as follows:
Lighting device is fixed on a position, calculates the air line distance of luminescence unit and target area in now lighting device;
According to people for the air line distance obtained in the ideal light rays brightness value of target area and abovementioned steps, calculate the current value of luminescence unit in supply lighting device;
With the current value obtained in abovementioned steps for powering according to luminescence unit in illumination apparatus, now in target area, light illumination value can control in ideal range.
But, also may there is technological deficiency in such existing lighting technology, such as: when being subject to the affecting of the irradiation light of other lighting devices in target area, in target area, light illumination value can change and not meet eyeshield demand.Now, people carry out work or study during in target area, the eye health of people can be had a strong impact on.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of means of illumination and lighting device, can make light illumination value in target area can in preset range.
To achieve these goals, a kind of means of illumination of the present invention, it comprises:
Control luminescence unit in lighting device and irradiate target area;
Detect the light illumination value of described target area, as object illumination value;
Judge described object illumination value whether in default illumination range;
If not, adjust the power supply current value of described luminescence unit, to make described object illumination value in default illumination range.
Preferably, adjust the power supply current value of described luminescence unit, to make described object illumination value in default illumination range, specifically comprise:
Judge that whether described object illumination value is the gained of detection first of described target area;
If so, be greater than or be less than default illumination range according to described object illumination value, determine electric current adjustable strategies;
According to described electric current adjustable strategies, adjust the power supply current value of described luminescence unit;
Detect the light illumination value of target area, as object illumination value;
The difference between current of the power supply current value of, object illumination value poor according to the illumination of object illumination value and previous object illumination value and previous object illumination value and default illumination range, determine target current value;
The power supply current value of described luminescence unit is adjusted to target current value, and returns the step of the light illumination value of the described target area of described detection.
Preferably, adjust the power supply current value of described luminescence unit, to make described object illumination value in default illumination range, specifically comprise:
At difference between current and the default illumination range of described power supply current value corresponding to poor, the described object illumination value of illumination of object illumination value and previous object illumination value and the power supply current value corresponding to previous object illumination value, determine the step of target current value.
Preferably, be greater than or be less than default illumination range according to described object illumination value, determine electric current adjustable strategies, specifically comprise:
When described object illumination value is greater than described default illumination range, the electric current adjustable strategies determined comprises: with default reduction ratio to reduce the power supply current value of described luminescence unit;
When described object illumination value is less than described default illumination range, the electric current adjustable strategies determined comprises: with default scaling up to increase the power supply current value of described luminescence unit.
Preferably, poor according to described illumination, default illumination range and electric current adjustable strategies, determine target current value, specifically comprise:
By presetting the product of the default brightness value in illumination range described in the Reciprocals sums of the illumination difference of the difference between current of the power supply current value corresponding to described object illumination value and the power supply current value corresponding to previous object illumination value, object illumination value and previous object illumination value, as target current value.
Preferably, the power supply current value of described luminescence unit is adjusted to target current value, specifically comprises:
With predetermined current adjustment speed, the power supply current value of described luminescence unit is adjusted to target current value.
Preferably, poor according to described illumination, default illumination range and electric current adjustable strategies, after determining target current value, before the power supply current value of described luminescence unit is adjusted to target current value, described method also comprises:
Judge described target current value whether within the scope of predetermined current;
If so, perform the described power supply current value by described luminescence unit and be adjusted to target current value;
If not, send first and preset information.
Preferably, described method comprises:
When described light illumination value is in default illumination range, control described luminescence unit in preset duration internal radiation target area.
Preferably, detect the light illumination value of described target area, as object illumination value, specifically comprise:
The light illumination value of described target area is detected by the illuminance transducer being positioned at target area;
In described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, described method also comprises:
Control described illuminance transducer dormancy.
Preferably, control in lighting device before luminescence unit irradiation target area, described method also comprises:
Receive to preset and wake instruction up, wake described illuminance transducer up.
Preferably, in described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, described method also comprises:
Send second and preset information.
To achieve these goals, a kind of lighting device of the present invention, it comprises:
Main power source;
Luminescence unit, is electrically connected with described main power source, is configured to obtain electric power to irradiate target area from described main power source;
Illuminance transducer, is positioned at described target area, is configured to the light illumination value detecting described target area, as object illumination value;
Controller, is all electrically connected with described illuminance transducer and main power source, is configured to:
Judge described object illumination value whether in default illumination range;
In described object illumination value not in default illumination range, adjust described main power source to luminescence unit
Power supply current value, to make described object illumination value in default illumination range.
Preferably, described controller is also configured to:
Judge that whether described object illumination value is the gained of detection first of described target area;
If so, be greater than or be less than default illumination range according to described object illumination value, determine electric current adjustable strategies;
According to described electric current adjustable strategies, adjust the power supply current value of described luminescence unit;
Detect the light illumination value of target area, as object illumination value;
The difference between current of the power supply current value corresponding to poor, the described object illumination value of illumination of object illumination value and previous object illumination value and the power supply current value corresponding to previous object illumination value and default illumination range, determine target current value;
The power supply current value of described luminescence unit is adjusted to target current value, and controls the light illumination value that illuminance transducer detects described target area.
Preferably, described controller is also configured to:
At difference between current and the default illumination range of described power supply current value corresponding to poor, the described object illumination value of illumination of object illumination value and previous object illumination value and the power supply current value corresponding to previous object illumination value, determine target current value.
Preferably, described controller is also configured to:
When described object illumination value is greater than described default illumination range, the electric current adjustable strategies determined comprises: with default reduction ratio to reduce the power supply current value of described luminescence unit;
When described object illumination value is less than described default illumination range, the electric current adjustable strategies determined comprises: with default scaling up to increase the power supply current value of described luminescence unit.
Preferably, described controller is also configured to:
By presetting the product of the default brightness value in illumination range described in the Reciprocals sums of the illumination difference of the difference between current of the power supply current value corresponding to described object illumination value and the power supply current value corresponding to previous object illumination value, object illumination value and previous object illumination value, as target current value.
Preferably, described controller is also configured to:
With predetermined current adjustment speed, the power supply current value of described luminescence unit is adjusted to target current value.
Preferably, described device also comprises prompting device, and described controller is also configured to:
Judge described target current value whether within the scope of predetermined current;
If so, perform the described power supply current value by described luminescence unit and be adjusted to target current value;
If not, send first by described prompting device and preset information.
Preferably, described controller is also configured to:
When described light illumination value is in default illumination range, control described luminescence unit in preset duration internal radiation target area.
Preferably, described controller is also configured to:
In described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, control described illuminance transducer dormancy.
Preferably, described controller is also configured to:
Before luminescence unit irradiates target area in control lighting device, receive to preset and wake instruction up, wake described illuminance transducer up.
Preferably, described lighting device comprises the prompting device be connected with described controller, in described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, described prompting device is configured to send second and presets information.
Preferably, described prompting device is connected with described controller is wired or wireless.
Preferably, described prompting device obtains electric power from described main power source or auxiliary power supply.
Preferably, described illuminance transducer and controller wired connection or wireless connections.
Preferably, connected by the cable that can stretch between described illuminance transducer and controller.
Preferably, described lighting device comprises the housing of accommodating described controller, and described illuminance transducer is fixed on described housing or the described housing of separable connection.
Preferably, described lighting device comprises the switch member between described main power source and luminescence unit, and described switch member also connects described illuminance transducer; Described switch member has the first operator scheme and the second operator scheme, and in the first mode of operation, described switch member is by the startup operated and the electric connection turned off between described main power source and luminescence unit; In the second mode of operation, described switch member is waken up described illuminance transducer by what operate.
Preferably, described switch member obtains electric power from described main power source or auxiliary power supply.
Preferably, described switch member is wall surface switch, intelligent terminal or remote controller.
Preferably, described luminescence unit is LED light source or incandescent lamp or TL light source.
Preferably, described main power source is alternating current or dc-battery bag.
Preferably, described illuminance transducer obtains electric power from described main power source or auxiliary power supply.
Preferably, described lighting device is movable illumination device.
The technical scheme provided from the above embodiment of the present invention, the embodiment of the present invention is by detecting the object illumination value of target area, and adjust the power supply current value of luminescence unit according to this object illumination value, to make described object illumination value in default illumination range.Therefore, regardless of the lighting environment at place, target area, the power supply current value meeting illumination range can be found, for people provide a good lighting environment, effectively protect the healthy with eye of people.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of lighting device in the embodiment of the present invention.
Fig. 2 is the module map of lighting device in the embodiment of the present invention.
Fig. 3 is the structural representation of lighting device in another embodiment of the present invention.
Fig. 4 is the flow chart of means of illumination in the embodiment of the present invention.
Fig. 5 is the power supply current value of the described luminescence unit of adjustment in means of illumination in the embodiment of the present invention, to make the particular flow sheet of described object illumination value in default illumination range.
Embodiment
The embodiment of the present invention provides a kind of means of illumination and lighting device, enough makes light illumination value in target area in default illumination range, can reach the object simultaneously taking into account illuminating objects and protection human eye.
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Shown in ginseng Fig. 1, lighting device 100 can be the moveable lamps and lanterns such as desk lamp, standard lamp, and this light fixture can carry out position adjustment according to the demand of user, has certain flexibility.
In the embodiment of the present invention, lighting device 100 comprises main power source 10, luminescence unit 20, illuminance transducer 30 and controller 40.Elaborate for each element and annexation each other in lighting device 100 below.
Main power source 10 can be alternating current, also can be dc-battery bag.If alternating current, main power source 10 is presented as an external plug, if dc-battery bag, main power source 10 is presented as a dismountable power brick being arranged on the power brick on lighting device or being integrated in lighting device, this power brick can be the power brick for lighting device custom-made, also can be on other instruments, such as, power brick on electric tool.
Certain main power source 10 is also arranged in pairs or groups the GPF (General Protection False such as overvoltage protection, overcurrent protection circuit; and the conventional outgoing management circuit such as electric current and voltage management; can controller 40 be arranged on the outlet line of main power source 10, be realized the functions such as above-mentioned GPF (General Protection False and outgoing management by controller 40.
Shown in composition graphs 2, luminescence unit 20 and main power source 10 are electrically connected, for obtaining supply current from main power source 10, to send irradiation light.
Luminescence unit 20 quantity can be set as at least one, to ensure the light of the irradiation light that lighting device 100 sends.Luminescence unit 20 can be the polytypes such as LED light source, incandescent lamp, TL light source.
In the embodiment of the present invention, luminescence unit 20 is configured to irradiation target area 200, and this target area 200 can be a desk table top, also can be a vertical metope, can select according to the environment for use of user's reality or demand, not repeat at this.
Illuminance transducer 30, is positioned at target area 200, is configured to the light illumination value detecting target area 200, and as object illumination value.
Illuminance transducer 30 can be light-sensitive element conventional in the industry or luminance detection element, and the principle that these elements detect light illumination value is technology well known to those of ordinary skill in the art, does not repeat at this.
The quantity of illuminance transducer 30 can be set at least one, is a desk table top for target area.All illuminance transducers 30 are all placed on the desk table top as target area 200, and these illuminance transducers 30 may enclose target area and arrange, and also can be placed on according to user demand on the emphasis position in target area 200.
Illuminance transducer 30 can be electrically connected with main power source 10, and to obtain the electric power needed for work from main power source 10, preferably, illuminance transducer 30 obtains work required electric power by the controller 40 be positioned on the outlet line of main power source 10.
Shown in composition graphs 3, in other embodiments of the present invention, illuminance transducer 30 can not also obtain the electric power needed for work from main power source 10, and is electrically connected with the auxiliary power supply 10 ' relatively independent with main power source 10, to obtain work required electric power from auxiliary power supply 10 '.
Controller 40 can comprise the Micro-processor MCV of integrated corresponding function, also can also comprise the memory cell possessing certain data storage capacities, and can also be the analog circuit possessing identical function, this be circuit design general principle, does not repeat at this.
Controller 40 and main power source 10 are electrically connected, to obtain work required electric power from main power source 10.
In the embodiment of the present invention, controller 40 is connected between luminescence unit 20 and main power source 10, for managing the power supply of main power source 10 pairs of luminescence units 20, realizes the GPF (General Protection False to main power source 10 mentioned in foregoing teachings and power supply output management simultaneously.
The connection that controller 40 also can communicate with illuminance transducer 30, controller 40 can obtain the light illumination value detected by illuminance transducer 30.
Controller 40 and illuminance transducer 30 by one have toughness, stretchable cable 50 carrys out wire communication and is connected.
Shown in composition graphs 3, in other embodiments of the invention, controller 40 can realize radio communication by technology such as WIFI, ZigBee, bluetooths with illuminance transducer 30 and be connected.
In the embodiment of the present invention, lighting device 100 also comprises the housing 60 of collecting controller 40.The connection housing 60 that main power source 10 can be separated, luminescence unit 20 is positioned at the lampshade (non-label) be connected with housing 60.
As shown in Figure 1, illuminance transducer 30 can be fixed on housing 60, is also separablely connected to housing 60.When needs use illuminance transducer 30, illuminance transducer 30 can be extracted from housing 60, be positioned in target area 200.Otherwise, when without the need to using illuminance transducer 30, can be mounted on housing 60, be convenient to movement and the transport of illumination apparatus 100, also can prevent the accident of illuminance transducer 30 from losing.
Certainly, illuminance transducer 30 can be connected with the housing 60 of lighting device 100 by modes such as such as hook, VELCRO, magnetic, does not repeat at this.
As depicted in figs. 1 and 2, in the embodiment of the present invention, lighting device 100 also comprises prompting device 70, and prompting device 70 is any devices that externally can send information, and can be such as a microphone, also can be a luminescence unit, can also be a display screen.
Prompting device 70 and controller 40 are electrically connected, when the light illumination value of controller 40 pairs of target areas 200 adjusts unsuccessfully, then can send for embodying the first default information adjusted unsuccessfully, when the light illumination value of controller 40 pairs of target areas has adjusted, can send for embodying the second default information adjusted.
For prompting device 70 for microphone, first presets the voice messaging that information can be " adjusting unsuccessfully ", and second presets the voice messaging that information can be " adjustment completes ".
In the embodiment of the present invention, prompting device 70 can be arranged on housing 60, and now prompting device 70 can be electrically connected with main power source 10, to obtain work required electric power.
Shown in composition graphs 3, in other embodiments of the invention, prompting device 70 also can be separated with the housing 60 of lighting device, is independently arranged near target area, and prompting device 70 and controller 40 can carry out wireless connections by technology such as WIFI, ZigBee, bluetooths.Now prompting device 70 needs to be connected with the auxiliary power supply relatively independent with main power source 10, and this auxiliary power supply can be alternating current, also can be dc-battery bag, also can be the power brick of other instruments, the power brick of such as electric tool.This auxiliary power supply can share with illuminance transducer 30, also can be alone.
As depicted in figs. 1 and 2, in the embodiment of the present invention, lighting device 100 also comprises switch member 80, and switch member 80 can be mechanical knob, mechanical button or a touch control type switch, these switches can be positioned on lighting device 100, also can be positioned on metope and be presented as wall surface switch.Certainly, switch member 80 can also be the intelligent terminal or remote control that are separated with lighting device 100.
Switch member 80 is connected to controller 40, is carried out the operator scheme of identification switch part 80 by controller 40.
Switch member 80 has the first operator scheme and the second operator scheme, in the first mode of operation, switch member 80 is activated by the electric connection between main power source 10 and luminescence unit 20 that makes operated and turns off, and namely in the first mode of operation, switch member 80 is for opening and closing lighting device 100.In the second mode of operation, switch member 80 is waken up illuminance transducer 10 by what operate.
Touch control type switchs for switch member 80, can using short this touch control type switch of pressing as the first operator scheme, long this touch control type switch of pressing is as the second operator scheme, under different operation modes, switch member 80 sends different control signals, and controller 40 can identify these different control signals and make corresponding control operation according to control signal.
Switch member 80 can obtain work required electric power from main power source 10, also can from one and the relatively independent auxiliary power supply acquisition work required electric power of main power source, this auxiliary power supply can be alternating current, also can be dc-battery bag, also can be the power brick of other instruments, the power brick of such as electric tool.This auxiliary power supply can share with illuminance transducer 30 and prompting device 70, also can be alone.
Fig. 4 is the process of means of illumination in the embodiment of the present invention, and this means of illumination realizes based on lighting device 100, is described in detail this means of illumination below in conjunction with aforementioned illumination apparatus 100.
In the embodiment of the present invention, this means of illumination comprises the steps.
In S1, control lighting device 100, luminescence unit 20 irradiates target area 200.
Luminescence unit 20 is configured to irradiation target area 200, and this target area 200 can be a desk table top, also can be a vertical metope, can select according to user's user demand.When there being lighting demand, main power source 10 can be powered to luminescence unit 20, makes luminescence unit 20 can irradiate target area 200.
The light illumination value of S2, detection target area 200, as object illumination value.
The light illumination value of target area 200 is detected by the illuminance transducer 30 being positioned at target area, and as object illumination value.Here object illumination value can be understood as the light illumination value of the target area detected by illuminance transducer 30, but not the desired value that any final needs are reached.
After illuminance transducer 30 detects illumination to target area at every turn, numerical value corresponding for detected light illumination value can be issued controller 40, controller 40 sets up illumination data storehouse for target area 200, detected object illumination value is deposited to this illumination data storehouse.Meanwhile, after the light illumination at every turn detected also can be worth the power supply current value association of corresponding luminescence unit 20 by controller 40, the sequencing detected according to illuminance transducer 30, in the lump stored in database, is convenient to subsequent calls.
Therefore, object illumination value is the general reference of the light illumination value for target area, specifically will process certain object illumination value, can extract that object illumination value of corresponding sequence number, carry out subsequent treatment from brightness value database.
S3, judge object illumination value whether in default illumination range, if so, perform step S4, if not, perform step S5.
Default illumination range can experimentally data preparation, and can be such as the illumination range of 750 ~ 870 luxs, this illumination range be comparatively suitable to human eye.
S4, control luminescence unit 20 are in preset duration internal radiation target area.
Wherein, preset duration can be pre-stored among controller 40, when lighting demand is stronger, can set preset duration is a very large numerical value, such as 1,000 hours, now luminescence unit 20 can be understood as and irradiates target area 200, until user removes manual-lock lighting device always.Certainly, when lighting demand is more weak, can set preset duration is a rational numerical value, such as two hours, and under this duration, people also can not feel tired with eye, well protect people healthy with eye.After luminescence unit has irradiated preset duration, also point out user by specific light efficiency, voice or the mode such as automatically to turn off the light.
The power supply current value of S5, adjustment luminescence unit 20, to make object illumination value in default illumination range.
Adjust main power source 10 by controller 40 and export power supply current value on luminescence unit 20 to, concrete, controller 40 can export the PWM signal of telecommunication of luminescence unit 20 to by adjustment main power source 10, change the power supply current value exported on luminescence unit 20.
In the embodiment of the present invention, lighting device 100 by detecting the object illumination value of target area, and adjusts the power supply current value of luminescence unit, to make object illumination value in default illumination range according to this object illumination value.Regardless of the lighting environment at place, target area, the power supply current value meeting illumination range can be found, for people provide a good lighting environment, effectively protect the healthy with eye of people.
Shown in composition graphs 5, in the embodiment of the present invention, step S5 specifically comprises the steps.
S50, judge that whether object illumination value is the gained of detection first of target area 200, if so, perform step S51, if not, directly jump to step S54.
After illuminance transducer 30 detects illumination to target area at every turn, detected light illumination value can be issued controller 40, controller 40 sets up illumination data storehouse for target area 200, detected object illumination value is deposited to this illumination data storehouse.Meanwhile, controller 40 in order in the lump stored in illumination data storehouse, is convenient to subsequent calls after also the power supply current value being worth corresponding luminescence unit in this light illumination being associated.
Therefore, object illumination value is the general reference of the light illumination value for target area, specifically will process certain object illumination value, can extract that object illumination value of corresponding sequence number, carry out subsequent treatment from illumination data storehouse.
Whether, when the object illumination value of target area 200 being detected, controller 40 can be confirmed whether to do luminance detection to this target area 200 by illumination data storehouse, with hard objectives brightness value for the gained of detection first of target area.
S51, be greater than or be less than default illumination range according to object illumination value, determine electric current adjustable strategies.
Concrete, when object illumination value is greater than default illumination range, the electric current adjustable strategies that controller 40 is determined comprises: with default reduction ratio to reduce the power supply current value of luminescence unit; When object illumination value is less than default illumination range, the electric current adjustable strategies that controller 40 is determined comprises: with default scaling up to increase the power supply current value of luminescence unit.
Default reduction ratio and default scaling up can be identical, also can be different.Default reduction ratio or default scaling up equally, also can be different, such as when object illumination value differs larger with default illumination range, adaptability can improve default reduction ratio or default scaling up, make object illumination value can be positioned at default illumination range faster.
In the embodiment of the present invention, default reduction ratio and default scaling up are all 10.
S52, according to electric current adjustable strategies, adjustment luminescence unit 20 power supply current value.
Be greater than default illumination range for object illumination value, the power supply current value of luminescence unit 20 can be lowered 10.
The light illumination value of S53, detection target area, as object illumination value.
After illuminance transducer 30 records object illumination value, be added in illumination data storehouse by this object illumination value, now, sequentially should be arranged with two object illumination values in illumination data storehouse, the two numerical value is different.
S54, according to the difference between current of the power supply current value that illumination is poor, object illumination value is corresponding of object illumination value and previous object illumination value and power supply current value corresponding to previous object illumination value and default illumination range, determine target current value.
Because controller 40 has the object illumination value obtained from target area in order, then when performing step S54, can the mode of inverted order, determine previous object illumination value, and then illumination both obtaining is poor.
In the embodiment of the present invention, the Reciprocals sums of the illumination difference of the electric current value difference of power supply current value corresponding for object illumination value and power supply current value corresponding to previous object illumination value, object illumination value and previous object illumination value is preset the product of the default brightness value in illumination range, as target current value.
Default brightness value can be any one brightness value in default illumination range, such as, can be median.
Object illumination value measured by step S50 be target area record first time, the electric current value difference of the power supply current value that in step S54, object illumination value is corresponding and power supply current value corresponding to previous object illumination value can obtain according to illumination data storehouse, also can obtain according to electric current adjustable strategies.
Still all 10 to preset reduction ratio and default scaling up in electric current adjustable strategies, electric current adjusting range is power supply current value at the current value changed through overcurrent adjustable strategies, such as, power supply current value is 1 ampere, after default scaling up adjustment, its electric current adjusting range is 1 ampere of * 10%=0.1 ampere.
It should be noted that, in object illumination value measured by step S50 and nontarget area records first time, the electric current value difference of the power supply current value that in step S54, object illumination value is corresponding and power supply current value corresponding to previous object illumination value can obtain according to illumination data storehouse, does not repeat at this.
S55, judge target current value whether within the scope of predetermined current, if not, perform step S56, if so, perform step S57.
S56, send first preset information.
Because the lighting environment of target area 200 may be more complicated, such as, target area 200 is apart from luminescence unit 20 hypertelorism, may occur that the power supply current value of luminescence unit 20 has exceeded its maximum operating currenbt, still cannot the light illumination value of target area is adjusted in default illumination range; Again such as, there is more intense light source in the surrounding of target area 200, when the power supply current value that may occur luminescence unit 20 has been zero, when namely this luminescence unit 20 is closed, still the light illumination value of target area cannot be adjusted in default illumination range.
Predetermined current scope is from zero to the maximum operating currenbt of luminescence unit, if target current value is not within the scope of predetermined current, controller 40 controls prompting device 70 and sends for embodying the first default information adjusted unsuccessfully, take prompting device as microphone be example, the voice messaging that prompting device can send " adjusting unsuccessfully ", adjusts the position of lighting device with reminding user or closes other intense light sources.
S57, the power supply current value of luminescence unit 20 is adjusted to target current value, and returns step S2.
In the embodiment of the present invention, controller 40 can adjust speed with predetermined current, and the power supply current value of luminescence unit is adjusted to target current value.
Predetermined current adjustment speed is not too large, make luminescence unit 20 send luminous flux and can not suddenly change, avoid the injury that luminous flux suddenlys change to people's eyes.
Concrete, predetermined current adjustment speed can do computing by pid algorithm (proportional-integral-differential algorithm) to target current value, does not repeat at this.
Because the illumination recording needs twice light illumination value of target current value is poor, judge whether object illumination value is recording first of target area by step S50, when object illumination value is the recording first of target area 200, also need to determine Next object illumination value by step S51 to S53, just can obtain target current value with the illumination difference of these two object illumination values.
Otherwise if perform a step S5 and fail light illumination value in target area to be adjusted in default illumination range, during follow-up each execution step S5, object illumination value is not all that target area records first.Now, the object illumination value that controller 40 once measures before obtaining in the illumination data storehouse of storage object illumination value, obtains illumination difference with these two object illumination values, and then utilizes step S55 to obtain target current value.
In the embodiment of the present invention, means of illumination detects the light illumination value in target area after the power supply current value of luminescence unit 20 being adjusted to target current value by controller 40 again by step S2, according to the light illumination value newly recorded as object illumination value.Continue again to perform step S3, if the object illumination value that in step S3, judgement newly records meets default illumination range, then show that step S5 has made the light illumination value in target area meet default illumination range for the adjustment of power supply current value.Otherwise, if the object illumination value that in step S3, judgement newly records does not meet default illumination range, then again can perform step S5 with new object illumination value.
Transit node is done by the judged result of step S3, when object illumination value does not meet default illumination range, the continuous repeated execution of steps S5 of meeting, makes object illumination value constantly near presetting illumination range, until when object illumination value is in default illumination range, then perform step S4.
As shown in Figure 4, in the embodiment of the present invention, means of illumination also comprises the following steps before being positioned at step S1:
S0, receive preset wake instruction up, wake illuminance transducer 30 up.
Presetting and wake instruction up can be utilize manually waking up of switch member 80, and also can be automatically waking up of Preset Time node, this be technology well known to those of ordinary skill in the art, does not repeat at this.
In the embodiment of the present invention, means of illumination also comprises the following steps after being positioned at step S4:
S6, the dormancy of control illuminance transducer 30.
Because the adjustment performing the light illumination value that namely step S4 shows for target area completes, then illuminance transducer 30 dormancy can be reduced its energy consumption.
In the embodiment of the present invention, means of illumination also comprises the following steps after being positioned at step S4.
S7, send the second information.
Controller 30 controls prompting device 70 and sends for embodying the second default information adjusted.Still for prompting device 70 for microphone, second information of " adjustment completes " can be sent.
The means of illumination that the embodiment of the present invention provides, by detecting the object illumination value of target area, and adjusts the power supply current value of luminescence unit, to make object illumination value in default illumination range according to this object illumination value.Therefore, regardless of the lighting environment at place, target area, the power supply current value meeting illumination range can be found, for people provide a good lighting environment, effectively protect the healthy with eye of people.
These are only embodiments of the invention, be not limited to the present invention.To those skilled in the art, the present invention can have various modifications and variations.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (34)
1. a means of illumination, is characterized in that, described method comprises:
Control luminescence unit in lighting device and irradiate target area;
Detect the light illumination value of described target area, as object illumination value;
Judge described object illumination value whether in default illumination range;
If not, adjust the power supply current value of described luminescence unit, to make described object illumination value in default illumination range.
2. the method for claim 1, is characterized in that, adjusts the power supply current value of described luminescence unit, to make described object illumination value in default illumination range, specifically comprises:
Judge that whether described object illumination value is the gained of detection first of described target area;
If so, be greater than or be less than default illumination range according to described object illumination value, determine electric current adjustable strategies;
According to described electric current adjustable strategies, adjust the power supply current value of described luminescence unit;
Detect the light illumination value of target area, as object illumination value;
The difference between current of the power supply current value corresponding to poor, the described object illumination value of illumination of object illumination value and previous object illumination value and the power supply current value corresponding to previous object illumination value and default illumination range, determine target current value;
The power supply current value of described luminescence unit is adjusted to target current value, and returns the step of the light illumination value of the described target area of described detection.
3. method as claimed in claim 2, is characterized in that, adjust the power supply current value of described luminescence unit, to make described object illumination value in default illumination range, specifically comprise:
At difference between current and the default illumination range of described power supply current value corresponding to poor, the described object illumination value of illumination of object illumination value and previous object illumination value and the power supply current value corresponding to previous object illumination value, determine the step of target current value.
4. method as claimed in claim 2, is characterized in that, be greater than or be less than default illumination range, determine electric current adjustable strategies, specifically comprise according to described object illumination value:
When described object illumination value is greater than described default illumination range, the electric current adjustable strategies determined comprises: with default reduction ratio to reduce the power supply current value of described luminescence unit;
When described object illumination value is less than described default illumination range, the electric current adjustable strategies determined comprises: with default scaling up to increase the power supply current value of described luminescence unit.
5. method as claimed in claim 2, is characterized in that, poor according to described illumination, default illumination range and electric current adjustable strategies, determines target current value, specifically comprises:
By presetting the product of the default brightness value in illumination range described in the Reciprocals sums of the illumination difference of the difference between current of the power supply current value corresponding to described object illumination value and the power supply current value corresponding to previous object illumination value, object illumination value and previous object illumination value, as target current value.
6. method as claimed in claim 2, is characterized in that, the power supply current value of described luminescence unit is adjusted to target current value, specifically comprises:
With predetermined current adjustment speed, the power supply current value of described luminescence unit is adjusted to target current value.
7. method as claimed in claim 2, it is characterized in that, poor according to described illumination, default illumination range and electric current adjustable strategies, after determining target current value, before the power supply current value of described luminescence unit is adjusted to target current value, described method also comprises:
Judge described target current value whether within the scope of predetermined current;
If so, perform the described power supply current value by described luminescence unit and be adjusted to target current value;
If not, send first and preset information.
8. the method for claim 1, is characterized in that, described method comprises:
When described light illumination value is in default illumination range, control described luminescence unit in preset duration internal radiation target area.
9. method as claimed in claim 8, is characterized in that, detect the light illumination value of described target area, as object illumination value, specifically comprise:
The light illumination value of described target area is detected by the illuminance transducer being positioned at target area;
In described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, described method also comprises:
Control described illuminance transducer dormancy.
10. method as claimed in claim 9, is characterized in that, control in lighting device before luminescence unit irradiation target area, described method also comprises:
Receive to preset and wake instruction up, wake described illuminance transducer up.
11. methods as claimed in claim 8, is characterized in that, in described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, described method also comprises:
Send second and preset information.
12. 1 kinds of lighting devices, is characterized in that, described device comprises:
Main power source;
Luminescence unit, is electrically connected with described main power source, is configured to obtain electric power to irradiate target area from described main power source;
Illuminance transducer, is positioned at described target area, is configured to the light illumination value detecting described target area, as object illumination value;
Controller, is all electrically connected with described illuminance transducer and main power source, is configured to:
Judge described object illumination value whether in default illumination range;
In described object illumination value not in default illumination range, adjust described main power source to luminescence unit
Power supply current value, to make described object illumination value in default illumination range.
13. lighting devices as claimed in claim 12, it is characterized in that, described controller is also configured to:
Judge that whether described object illumination value is the gained of detection first of described target area;
If so, be greater than or be less than default illumination range according to described object illumination value, determine electric current adjustable strategies;
According to described electric current adjustable strategies, adjust the power supply current value of described luminescence unit;
Detect the light illumination value of target area, as object illumination value;
The difference between current of the power supply current value corresponding to poor, the described object illumination value of illumination of object illumination value and previous object illumination value and the power supply current value corresponding to previous object illumination value and default illumination range, determine target current value;
The power supply current value of described luminescence unit is adjusted to target current value, and controls the light illumination value that illuminance transducer detects described target area.
14. lighting devices as claimed in claim 13, it is characterized in that, described controller is also configured to:
At difference between current and the default illumination range of described power supply current value corresponding to poor, the described object illumination value of illumination of object illumination value and previous object illumination value and the power supply current value corresponding to previous object illumination value, determine target current value.
15. lighting devices as claimed in claim 13, it is characterized in that, described controller is also configured to:
When described object illumination value is greater than described default illumination range, the electric current adjustable strategies determined comprises: with default reduction ratio to reduce the power supply current value of described luminescence unit;
When described object illumination value is less than described default illumination range, the electric current adjustable strategies determined comprises: with default scaling up to increase the power supply current value of described luminescence unit.
16. lighting devices as claimed in claim 13, it is characterized in that, described controller is also configured to:
By presetting the product of the default brightness value in illumination range described in the Reciprocals sums of the illumination difference of the difference between current of the power supply current value corresponding to described object illumination value and the power supply current value corresponding to previous object illumination value, object illumination value and previous object illumination value, as target current value.
17. lighting devices as claimed in claim 13, it is characterized in that, described controller is also configured to:
With predetermined current adjustment speed, the power supply current value of described luminescence unit is adjusted to target current value.
18. lighting devices as claimed in claim 13, it is characterized in that, described device also comprises prompting device, and described controller is also configured to:
Judge described target current value whether within the scope of predetermined current;
If so, perform the described power supply current value by described luminescence unit and be adjusted to target current value;
If not, send first by described prompting device and preset information.
19. lighting devices as claimed in claim 12, it is characterized in that, described controller is also configured to:
When described light illumination value is in default illumination range, control described luminescence unit in preset duration internal radiation target area.
20. lighting devices as claimed in claim 19, it is characterized in that, described controller is also configured to:
In described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, control described illuminance transducer dormancy.
21. lighting devices as claimed in claim 19, it is characterized in that, described controller is also configured to:
Before luminescence unit irradiates target area in control lighting device, receive to preset and wake instruction up, wake described illuminance transducer up.
22. lighting devices as claimed in claim 12, it is characterized in that, described lighting device comprises the prompting device be connected with described controller, in described light illumination value in default illumination range, control described luminescence unit after preset duration internal radiation target area, described prompting device is configured to send second and presets information.
23. lighting devices as claimed in claim 22, it is characterized in that, described prompting device is connected with described controller is wired or wireless.
24. lighting devices as claimed in claim 22, is characterized in that, described prompting device obtains electric power from described main power source or auxiliary power supply.
25. lighting devices as claimed in claim 12, is characterized in that, described illuminance transducer and controller wired connection or wireless connections.
26. lighting devices as claimed in claim 25, is characterized in that, are connected between described illuminance transducer and controller by the cable that can stretch.
27. lighting devices as claimed in claim 12, it is characterized in that, described lighting device comprises the housing of accommodating described controller, and described illuminance transducer is fixed on described housing or the described housing of separable connection.
28. lighting devices as claimed in claim 12, it is characterized in that, described lighting device comprises the switch member between described main power source and luminescence unit, and described switch member also connects described illuminance transducer; Described switch member has the first operator scheme and the second operator scheme, and in the first mode of operation, described switch member is by the startup operated and the electric connection turned off between described main power source and luminescence unit; In the second mode of operation, described switch member is waken up described illuminance transducer by what operate.
29. lighting devices as claimed in claim 28, is characterized in that, described switch member obtains electric power from described main power source or auxiliary power supply.
30. lighting devices as claimed in claim 28, it is characterized in that, described switch member is wall surface switch, intelligent terminal or remote controller.
31. lighting devices as claimed in claim 12, is characterized in that, described luminescence unit is LED light source or incandescent lamp or TL light source.
32. lighting devices as claimed in claim 12, is characterized in that, described main power source is alternating current or dc-battery bag.
33. lighting devices as claimed in claim 12, is characterized in that, described illuminance transducer obtains electric power from described main power source or auxiliary power supply.
34. lighting devices as claimed in claim 12, it is characterized in that, described lighting device is movable illumination device.
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