CN201285323Y - Light attenuation detector and lamp with the light attenuation detector - Google Patents
Light attenuation detector and lamp with the light attenuation detector Download PDFInfo
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- CN201285323Y CN201285323Y CNU2008201340049U CN200820134004U CN201285323Y CN 201285323 Y CN201285323 Y CN 201285323Y CN U2008201340049 U CNU2008201340049 U CN U2008201340049U CN 200820134004 U CN200820134004 U CN 200820134004U CN 201285323 Y CN201285323 Y CN 201285323Y
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- output voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The utility model relates to a light attenuation detector and a light fitting provided with the light attenuation detector and comprising a base, a luminous element and the light attenuation detector, wherein the luminous element is arranged on the base, the light attenuation detector is also arranged on the base and comprises a light source detecting unit, a comparison module and a display module; the light source detecting unit is used for generating output voltage according to the brightness of the luminous element, the comparison module generates a first index signal according to the output voltage, and the display module carries out indicating action according to the first index signal.
Description
Technical field
The utility model relates to a kind of optical attenuation detecting device (light attenuation inspector) and has the light fixture of optical attenuation detecting device, and especially, the utility model relates to a kind of consumer of allowing and clearly learns the whether optical attenuation detecting device within normal scope and have the light fixture of optical attenuation detecting device of present its light-source brightness of employed light fixture.
Background technology
Usually, daylight lamp can be categorized as haply hot-cathode fluorescent lamp (Hot Cathode FluorescentLamp, HCFL) and cold-cathode fluorescence lamp (Cold Cathode Fluorescent Lamp, CCFL).Hot-cathode fluorescent lamp and cold-cathode fluorescence lamp produce light source according to similar principle.Yet, still have difference between hot-cathode fluorescent lamp and the cold-cathode fluorescence lamp.Hot-cathode fluorescent lamp is luminous by hot caused electronics emission, and cold-cathode fluorescence lamp is launched by the caused electronics of the electric field that is applied to electrode and luminous.Owing in cold-cathode fluorescence lamp, need not in fluorescent tube, to install preheating filament, and can use the tube diameter required also littler, therefore recently when making display panels, mostly all with the light source of cold-cathode fluorescence lamp as backlight module than hot-cathode fluorescent lamp.At present, the consumption market is for mobile communications device, handheld apparatus, laptop computer ... wait the demand of electronic installation promptly to increase, and therefore uses the above-mentioned electronic product of cold-cathode fluorescence lamp, and the demand of cold-cathode fluorescence lamp is rolled up.
See also Figure 1A, Figure 1A is the structural representation that illustrates known daylight lamp 10.Daylight lamp 10 includes long glass tube 102, positive electrode 104, negative electrode 106 and lead 108.Positive electrode 104 and negative electrode 106 are connected to the two sides of long glass tube 102 respectively.Lead 108 is installed in the two sides of long glass tube 102 respectively, and is electrically connected to positive electrode 104 and negative electrode 106.In addition, see also Figure 1B, Figure 1B is the cross section view that illustrates the daylight lamp 10 among Figure 1A.Shown in Figure 1B, the inwall 1022 of long glass tube 102 is coated with has expired fluorescent material, and the mixed gas of solid mercury, argon gas and the neon of long glass tube 102.By electric field accelerated electron enough in the fluorescent tube, make gas ionization in the pipe, form excited state gas (mercury atom has absorbed electronic kinetic energy) and be converted to electromagenetic wave radiation and come out, and then send " ultraviolet light ".Then, can absorb ultraviolet light by the fluorescent material on long glass tube 102 inwalls 1022 and discharge visible light.
In addition, because the expense of the energy is more and more expensive, so how energy savings has become everybody required homework.The easiest electricity saving method of setting about be to use Electricity-saving lamp bulb (Compact FluorescentLamp, CFL).According to Energy Star (Energy Star) tissue, the Electricity-saving lamp bulb that authentication is passed through is than general incandescent lamp bulb (incandescent bulb) power saving 75%, and the life-span is 10 times of general incandescent lamp bulb.The heat energy that Electricity-saving lamp bulb produces is 75% of incandescent lamp bulb.Therefore, the effect of power saving is arranged not only, the carbon dioxide that Electricity-saving lamp bulb sends in the time of also can reducing the bulb illumination, environmental.The electrical specification and the fluorescent tube that are noted that Electricity-saving lamp bulb in addition are similar.In other words, Electricity-saving lamp bulb is a kind of daylight lamp of improvement in fact, and mercury is arranged in the fluorescent tube, and also needing ballast resistor (ba1last) just can be luminous.Since the ultimate principle of it and daylight lamp is similar, Electricity-saving lamp bulb also can glimmer with high-frequency (flicker), but because the frequency of its flicker is very high, people's naked eyes are difficult for feeling.
Yet above-mentioned all types of light fixtures are in it uses life cycle, and its light-source brightness can little by little fail.If light fixture when having abnormal situation (that is, break down) found, has two kinds of situations usually within its duration of work, first kind is that light fixture fully can be not bright, and second kind is that light fixture can continue to glimmer brokenly.After light fixture had been used a period of time, general user also can't experience the light-source brightness that light fixture sends and fail to what degree actually.Therefore, unless light fixture has taken place not work fully as mentioned above or the situation of flicker ceaselessly, just the consumer can recognize that arrived this opportunity of changing light fixture.
Therefore, the fundamental purpose of the present utility model light fixture that is to provide a kind of optical attenuation detecting device and has the optical attenuation detecting device.Especially, by optical attenuation detecting device of the present utility model and have the light fixture of optical attenuation detecting device, the consumer can learn clearly that present its light-source brightness of employed light fixture is whether within normal scope.In other words, but optical attenuation detecting device of the present utility model and have the mechanism of the light fixture of optical attenuation detecting device with its display light source luminance state, and the consumer can learn the light source recession level of light fixture at any time.By this, the consumer can carry out the action that light fixture is changed early before light fixture breaks down, and addressed the above problem.
The utility model content
A category of the present utility model is to provide a kind of optical attenuation detecting device.Its main purpose is to detect the light source that light-emitting component is launched.The optical attenuation detecting device includes light source detection unit, comparison module and display module.The light source detection unit can be used for the brightness of detection light source, and can produce output voltage according to the brightness of light source.Comparison module is electrically connected to the light source detection unit.Comparison module can be used for the comparison output voltage and first reference voltage.If output voltage is greater than first reference voltage, then comparison module can produce first indicator signal.Display module is electrically connected to comparison module.Display module includes first indicating member.First indicating member is to carry out indication action according to first indicator signal that comparison module produced.
In addition, another category of the present utility model is to provide a kind of light fixture.Its main purpose is the light source launched by the light-emitting component that detects in the light fixture to make that the luminance of light fixture is decipherable.Light fixture includes pedestal, light-emitting component and optical attenuation detecting device.Light-emitting component is arranged on the pedestal.The optical attenuation detecting device also is arranged on the pedestal.The light source detection unit can be used for the brightness of detection light source, and can produce output voltage according to the brightness of light source.Comparison module is electrically connected to the light source detection unit.Comparison module can be used for the comparison output voltage and first reference voltage.If output voltage is greater than first reference voltage, then comparison module can produce first indicator signal.Display module is electrically connected to comparison module.Display module includes first indicating member.First indicating member can carry out indication action according to first indicator signal that comparison module produced.
By this, according to optical attenuation detecting device of the present utility model and have the light fixture of optical attenuation detecting device, it can make the consumer learn that clearly present its light-source brightness of employed light fixture is whether within normal scope.In other words, but optical attenuation detecting device of the present utility model and have the mechanism of the light fixture of optical attenuation detecting device with its display light source luminance state, and the consumer can learn the light source recession level of light fixture at any time.By this, the consumer can carry out the action that light fixture is changed early before light fixture breaks down.
Can be further understood by following utility model detailed description and appended accompanying drawing about advantage of the present utility model and spirit.
Description of drawings
Figure 1A is the structural representation that illustrates known daylight lamp.
Figure 1B is the cross section view that illustrates the daylight lamp among Figure 1A.
Fig. 2 is the external view that illustrates according to the light fixture of of the present utility model one preferred specific embodiment.
Fig. 3 is the functional block diagram that illustrates according to the light fixture of of the present utility model one preferred specific embodiment.
Fig. 4 illustrates the light source detection unit among Fig. 3 and the circuit diagram of first comparing unit.
Fig. 5 is the circuit diagram that illustrates second comparing unit among Fig. 3.
Fig. 6 is the circuit diagram that illustrates the display module among Fig. 3.
[main element symbol description]
1,10: daylight lamp 102: long glass tube
2,1022: inwall 104: positive electrode
3,106: negative electrode 108: lead
4,2: light fixture 20: power supply unit
5,22: electric ballast 24: light-emitting component
6,26: optical attenuation detecting device 260: the light source detection unit
7,2602: photoresistance 2612: resistance
8,262: 2622: the first comparing units of comparison module
9,2624: the second comparing units 264: display module
10,2644: the second indicating members of 2642: the first indicating members
11,2646: the three indicating members 28: pedestal
12,30: bulb shell A, B, C: node
Embodiment
The utility model provides a kind of optical attenuation detecting device and has the light fixture of optical attenuation detecting device.And more particularly, it is that a kind of consumer of allowing clearly learns the whether optical attenuation detecting device within normal scope and have the light fixture of optical attenuation detecting device of present its light-source brightness of employed light fixture.By this, the consumer can carry out the action that light fixture is changed early before light fixture breaks down.Preferred specific embodiment of the present utility model below will be described in detail in detail, the simplicity of using abundant explanation feature of the present utility model, spirit, advantage and implementing.
See also Fig. 2.Fig. 2 is the external view that illustrates according to the light fixture 2 of of the present utility model one preferred specific embodiment.In this preferred specific embodiment, light fixture 2 with the form of bulb as concrete instance for further detailed description, but do not exceed with the external form of bulb, for example can also be fluorescent tube, spiral fluorescent tube ... etc.As shown in Figure 2, consist predominantly of pedestal 28, light-emitting component 24, optical attenuation detecting device 26 and bulb shell 30 according to light fixture 2 of the present utility model.Light-emitting component 24 is arranged on the pedestal 28.And light-emitting component 24 is mainly used to transmitting illuminant.Optical attenuation detecting device 26 is arranged on the pedestal 28.Bulb shell 30 also is arranged on the pedestal 28, in order to the usefulness of protection light fixture 2 inner each element.Below will make more deep introduction and more detailed description, and comprise structure and its function at each position on it and make flowing mode at the light fixture 2 of preferred specific embodiment of the present utility model.
See also Fig. 3.Fig. 3 is the functional block diagram that illustrates according to the light fixture 2 of of the present utility model one preferred specific embodiment.As shown in Figure 3, the light fixture 2 according to preferred specific embodiment of the present utility model also includes power supply unit 20 and electric ballast 22.Electric ballast 22 is electrically connected to power supply unit 20.Required power supply, first reference voltage, second reference voltage when power supply unit 20 is mainly used to provide the related elements running ... etc.In one embodiment, electric ballast 22 is electrically connected to light-emitting component 24 and optical attenuation detecting device 26 respectively, and the power supply that power supply unit 20 is provided inputing to light-emitting component 24 and optical attenuation detecting device 26 respectively, but is not limited to this by electric ballast 22.Below will make more deep introduction and more detailed description at the optical attenuation detecting device 26 of preferred specific embodiment of the present utility model.
As shown in Figure 3, optical attenuation detecting device 26 consists predominantly of light source detection unit 260, comparison module 262 and display module 264.Light source detection unit 260 can be used for detecting the brightness of the light source that light-emitting component 24 launched, and produces output voltage according to the brightness of light source.Output voltage is the voltage of the node A among Fig. 3.Comparison module 262 includes first comparing unit 2622.Please cooperate and consult Fig. 4, Fig. 4 illustrates the light source detection unit 260 among Fig. 3 and the circuit diagram of first comparing unit 2622.In this specific embodiment, light source detection unit 260 can include photoresistance 2602.Photoresistance 2602 produces output voltage in order to the brightness of the light source that sent according to light-emitting component 24.Be noted that at this that photoresistance 2602 can be widely used in light and change relevant product, for example camera, night-light, light fixture etc. automatically.Its principle is to utilize the resistance of photoresistance 2602 to change because of the irradiation that is subjected to light.In the working range of photoresistance 2602, the resistance of photoresistance 2602 size is inversely proportional to light intensity.That is to say that the resistance of photoresistance 2602 is more little when light intensity is strong more.Therefore, the variation of the electric current that variation causes of the resistance of photoresistance 2602 can produce a useful signal.In this specific embodiment, see also Fig. 4, output voltage (that is voltage of node A) can be determined by equation as follows:
Wherein, the voltage of SenA representation node A, TR1 represents the resistance of photoresistance 2602, and R1 represents the resistance of resistance 2612, and the Vcc voltage of representing power supply unit 20 to be provided.Hence one can see that, and when photoresistance 2602 received light source, the resistance TR1 of photoresistance 2602 will reduce, and make the dividing potential drop result of itself and resistance 2612 cause the voltage SenA of node A also to reduce.Otherwise when photoresistance 2602 did not receive light source, the resistance TR1 of photoresistance 2602 will maintain higher resistance, and made the dividing potential drop result of itself and resistance 2612 cause the voltage SenA of node A also higher.In another specific embodiment, light source detection unit 260 can comprise optotransistor.Optotransistor can be used for replacing above-mentioned photoresistance 2602, and produces above-mentioned output voltage according to brightness.
As shown in Figure 4, first comparing unit 2622 in the comparison module 262 is electrically connected to light source detection unit 260.The purpose that first comparing unit 2622 is main is to be used for first reference voltage that output voltage that comparison light source detection unit 260 produced and power supply unit 20 provided.If output voltage is greater than first reference voltage, then comparison module 262 can produce first indicator signal.In one embodiment, the first above-mentioned reference voltage can be 2.5V.If when output voltage (that is voltage of node A) surpassed 2.5V, then 2622 output signals of first comparing unit were the Low-1 signal.On the contrary, if when output voltage is lower than 2.5V, then the signal exported of first comparing unit 2622 is the Hi-1 signal.
See also Fig. 5, Fig. 5 is the circuit diagram that illustrates second comparing unit 2624 among Fig. 3.Can learn that by Fig. 5 comparison module 262 also can include second comparing unit 2624.Second comparing unit 2624 is mainly used to the comparison output voltage (that is voltage of node A) and second reference voltage.Second reference voltage is less than first reference voltage.In above-mentioned specific embodiment, second reference voltage can be 1.5V.If when output voltage (that is voltage of node A) surpassed 1.5V, then 2624 output signals of second comparing unit were the Low-2 signal.On the contrary, if when output voltage is lower than 1.5V, then the signal exported of first comparing unit 2622 is the Hi-2 signal.Hence one can see that, when output voltage during greater than 2.5V, represents first comparing unit 2622 and second comparing unit 2624 can export Low-1 signal and Low-2 signal respectively.Therefore, above-mentioned first indicator signal that is produced by comparison module 262 is (Low-1, composite signal Low-2).In this specific embodiment, when first indicator signal that comparison module 262 produced for (Low-1, during Low-2) composite signal, the light of then representing the light fixture 2 according to preferred specific embodiment of the present utility model to be sent has failed to the degree of this replacing.For example, first reference voltage is the brightness decay to 60% that 2.5V can correspond to light source.When output voltage surpasses 2.5V, promptly represent the brightness of light source to fail to below 60%.At this moment, though the situation that light-emitting component 24 may not break down as yet, this more changes the suggestion consumer light-emitting component 24 of light fixture 2 at this moment.
On the other hand, if output voltage between first reference voltage (that is 2.5V) and second reference voltage (that is 1.5V), then second indicator signal that produced of comparison module 262 is (Hi-1, composite signal Low-2).When second indicator signal that comparison module 262 produced for (Hi-1, during Low-2) composite signal, the light of then representing the light fixture 2 according to preferred specific embodiment of the present utility model to be sent has produced the fact of decline, but still does not arrive the degree of this replacing as yet.For example, second reference voltage is the brightness decay to 80% that 1.5V can correspond to light source.When output voltage during between 1.5V-2.5V, the recession level of brightness of promptly representing light source is between 60%～80%.At this moment, the consumer is a recession level of not feeling light source.Though light fixture 2 has the phenomenon of optical attenuation, be less than the appropriate opportunity that to change light-emitting component 24.
According to same principle, if output voltage less than second reference voltage, then the 3rd indicator signal that produced of comparison module 262 is (Hi-1, composite signal Hi-2).When output voltage during, promptly represent more than the brightness decay to 80% of light source between 1.5V-2.5V.At this moment, the consumer is a recession level of not feeling light source fully.In fact, light fixture 2 has only light decay degree slightly, and number is not long when representing the use of light-emitting component 24 of light fixture 2, and its spendable life-span is also very long.
See also Fig. 6.Fig. 6 is the circuit diagram that illustrates the display module 264 among Fig. 3.As shown in Figure 3, display module 264 is connected to first comparing unit 2622 and second comparing unit 2624 of comparison module 262 respectively via Node B and node C.Display module 264 includes first indicating member 2642.First indicating member 2642 can (that is above-mentioned (Low-1, composite signal Low-2)) carries out first indication action according to first indicator signal.In one embodiment, first indicating member 2642 can be first light emitting diode, but not as limit, for example can also be Tip elements such as laser diode or other light sources, or loudspeaker.Above-mentioned indication action can be emission first light, but not as limit, for example can also send indication sound by loudspeaker.When first light that first indicating member 2642 sends, the consumer can learn clearly that arrived the opportunity of the light-emitting component 24 of this replacing light fixture 2.
What this will specify be, if in order to reach essence spirit of the present utility model, according to the light fixture 2 of preferred specific embodiment of the present utility model only needs prompting consumer get final product on the opportunity that should change optical element 24.In other words, according to light fixture 2 of the present utility model only needs first indicating member 2642 arrive 60% prompting consumer in the light decay degree and change light-emitting component 24.
But if the unfinished luminance that will allow the consumer can intactly learn the light-emitting component 24 in the light fixture 2, display module 264 can further include second indicating member 2644, as shown in Figure 6.Second indicating member 2644 can (that is above-mentioned (Hi-1, composite signal Low-2)) carries out above-mentioned indication action according to second indicator signal.In one embodiment, second indicating member 2644 can be second light emitting diode, but not as limit.Above-mentioned indication action can be second light that emission is different from first light, but not as limit.When second light that second indicating member 2644 sends, though the consumer can learn clearly that light fixture 2 has the phenomenon of optical attenuation, the light-emitting component 24 in the light fixture 2 can also continue to use a period of time.
Similarly, display module 264 also can further include the 3rd indicating member 2646, as shown in Figure 6.The 3rd indicating member 2646 can (that is above-mentioned (Hi-1, composite signal Hi-2)) carries out above-mentioned indication action according to the 3rd indicator signal.In one embodiment, the 3rd indicating member 2646 can be the 3rd light emitting diode, but not as limit.Above-mentioned indication action can be the 3rd light that emission is different from first light and second light, but not as limit.When the 3rd light that the 3rd indicating member 2646 sends, the consumer can learn clearly that light fixture 2 has only light decay degree slightly, and number is not long when representing the use of light-emitting component 24 of light fixture 2, and its spendable life-span is also very long.
Be that the utility model is helped the consumer with two comparing units and three indicating members and learnt that the state of the light-emitting component 24 of light fixture 2 is in a certain stage in the above-mentioned three phases in above-mentioned preferred specific embodiment what this will remark additionally.If also need again light-emitting component 24 residing states to be divided into the more multistage, still can reach by the number that aforesaid principle increases comparing unit and corresponding indicating member again.
In one embodiment, above-mentioned light-emitting component 24 can be exquisite type fluorescent light (CompactFluorescent Lamp, CFL), but not as limit.
By above detailed description for preferred specific embodiment of the present utility model, can find out significantly, according to optical attenuation detecting device of the present utility model and have the light fixture of optical attenuation detecting device, it is to allow the consumer learn that clearly present its light-source brightness of employed light fixture is whether within normal scope.In other words, but optical attenuation detecting device of the present utility model and have the mechanism of the light fixture of optical attenuation detecting device with its display light source luminance state, and the consumer can learn the light source recession level of light fixture at any time.By this, the consumer can carry out the action that light fixture is changed early before light fixture breaks down, and addressed the above problem.
By the detailed description of above preferred specific embodiment, hope can be known description feature of the present utility model and spirit more, and is not to come category of the present utility model is limited with above-mentioned disclosed preferred specific embodiment.On the contrary, its objective is that hope can contain in the scope that is arranged in the claimed claims of the utility model institute desire of various changes and tool equality.Therefore, the scope of the utility model claims required for protection should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.
Claims (24)
1. optical attenuation detecting device, in order to detect the light source that a light-emitting component is launched, this optical attenuation detecting device comprises:
One light source detection unit in order to detecting a brightness of this light source, and produces an output voltage according to this brightness;
One comparison module is electrically connected to this light source detection unit, and this comparison module is in order to relatively this output voltage and one first reference voltage, if wherein this output voltage is greater than this first reference voltage, then this comparison module produces one first indicator signal; And
One display module is electrically connected to this comparison module, and this display module comprises one first indicating member, and this first indicating member carries out an indication action according to this first indicator signal.
2. optical attenuation detecting device as claimed in claim 1, wherein this light-emitting component further comprises an electric ballast, and this optical attenuation detecting device is electrically connected to this electric ballast.
3. optical attenuation detecting device as claimed in claim 1, wherein this light source detection unit comprises an optotransistor, and this optotransistor is in order to produce this output voltage according to this brightness.
4. optical attenuation detecting device as claimed in claim 1, wherein this light source detection unit comprises a photoresistance, and this photoresistance is in order to produce this output voltage according to this brightness.
5. optical attenuation detecting device as claimed in claim 4, wherein this comparison module comprises one first comparing unit, and this first comparing unit is in order to relatively this output voltage and this first reference voltage.
6. optical attenuation detecting device as claimed in claim 5, wherein this first indicating member is one first light emitting diode, this indication action is emission one first light.
7. optical attenuation detecting device as claimed in claim 5, wherein this comparison module comprises one second comparing unit, this second comparing unit is in order to relatively this output voltage and one second reference voltage, this second reference voltage is less than this first reference voltage, if this output voltage is between first reference voltage and this second reference voltage, then this comparison module produces one second indicator signal.
8. optical attenuation detecting device as claimed in claim 7, wherein this display module further comprises one second indicating member, and this second indicating member carries out this indication action according to this second indicator signal.
9. optical attenuation detecting device as claimed in claim 8, wherein this second indicating member is one second light emitting diode, this indication action is emission one second light.
10. optical attenuation detecting device as claimed in claim 7, wherein this display module further comprises one the 3rd indicating member, if this output voltage is less than this second reference voltage, then this comparison module produces one the 3rd indicator signal, and the 3rd indicating member carries out this indication action according to the 3rd indicator signal.
11. optical attenuation detecting device as claimed in claim 10, wherein the 3rd indicating member is one the 3rd light emitting diode, and this indication action is emission one the 3rd light.
12. optical attenuation detecting device as claimed in claim 1, wherein this light-emitting component is an exquisite type fluorescent light.
13. a light fixture comprises:
One pedestal;
One light-emitting component is arranged on this pedestal, and this light-emitting component is launched a light source; And
One optical attenuation detecting device is arranged on this pedestal, and this optical attenuation detecting device comprises:
One light source detection unit in order to detecting a brightness of this light source, and produces an output voltage according to this brightness;
One comparison module is electrically connected to this light source detection unit, and this comparison module is in order to relatively this output voltage and one first reference voltage, if wherein this output voltage is greater than this first reference voltage, then this comparison module produces one first indicator signal; And
One display module is electrically connected to this comparison module, and this display module comprises one first indicating member, and this first indicating member carries out an indication action according to this first indicator signal.
14. light fixture as claimed in claim 13, wherein this light-emitting component further comprises an electric ballast, and this optical attenuation detecting device is electrically connected to this electric ballast.
15. light fixture as claimed in claim 13, wherein this light source detection unit comprises an optotransistor, and this optotransistor is in order to produce this output voltage according to this brightness.
16. light fixture as claimed in claim 13, wherein this light source detection unit comprises a photoresistance, and this photoresistance is in order to produce this output voltage according to this brightness.
17. light fixture as claimed in claim 16, wherein this comparison module comprises one first comparing unit, and this first comparing unit is in order to relatively this output voltage and this first reference voltage.
18. light fixture as claimed in claim 17, wherein this first indicating member is one first light emitting diode, and this indication action is emission one first light.
19. light fixture as claimed in claim 17, wherein this comparison module comprises one second comparing unit, this second comparing unit is in order to relatively this output voltage and one second reference voltage, this second reference voltage is less than this first reference voltage, if this output voltage is between first reference voltage and this second reference voltage, then this comparison module produces one second indicator signal.
20. light fixture as claimed in claim 19, wherein this display module further comprises one second indicating member, and this second indicating member carries out this indication action according to this second indicator signal.
21. light fixture as claimed in claim 20, wherein this second indicating member is one second light emitting diode, and this indication action is emission one second light.
22. light fixture as claimed in claim 19, wherein this display module further comprises one the 3rd indicating member, if this output voltage is less than this second reference voltage, then this comparison module produces one the 3rd indicator signal, and the 3rd indicating member carries out this indication action according to the 3rd indicator signal.
23. light fixture as claimed in claim 22, wherein the 3rd indicating member is one the 3rd light emitting diode, and this indication action is emission one the 3rd light.
24. light fixture as claimed in claim 13, wherein this light-emitting component is an exquisite type fluorescent light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201340049U CN201285323Y (en) | 2008-09-05 | 2008-09-05 | Light attenuation detector and lamp with the light attenuation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201340049U CN201285323Y (en) | 2008-09-05 | 2008-09-05 | Light attenuation detector and lamp with the light attenuation detector |
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| CN201285323Y true CN201285323Y (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201340049U Expired - Fee Related CN201285323Y (en) | 2008-09-05 | 2008-09-05 | Light attenuation detector and lamp with the light attenuation detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679192A (en) * | 2011-03-11 | 2012-09-19 | 深圳市钧多立实业有限公司 | Intelligent light source without light attenuation |
| CN103185869A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Device and method of monitoring scrapping of light emitting diode (LED) light source on line |
| CN114234127A (en) * | 2021-11-30 | 2022-03-25 | 中国船舶工业集团公司第七0八研究所 | Light attenuation monitoring device for marine LED navigation signal lamp |
-
2008
- 2008-09-05 CN CNU2008201340049U patent/CN201285323Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679192A (en) * | 2011-03-11 | 2012-09-19 | 深圳市钧多立实业有限公司 | Intelligent light source without light attenuation |
| CN103185869A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Device and method of monitoring scrapping of light emitting diode (LED) light source on line |
| CN114234127A (en) * | 2021-11-30 | 2022-03-25 | 中国船舶工业集团公司第七0八研究所 | Light attenuation monitoring device for marine LED navigation signal lamp |
| CN114234127B (en) * | 2021-11-30 | 2024-05-17 | 中国船舶工业集团公司第七0八研究所 | Marine LED navigation signal light decay monitoring devices |
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