CN112804784A - Control circuit for detecting light intensity and lamp - Google Patents
Control circuit for detecting light intensity and lamp Download PDFInfo
- Publication number
- CN112804784A CN112804784A CN202110201202.2A CN202110201202A CN112804784A CN 112804784 A CN112804784 A CN 112804784A CN 202110201202 A CN202110201202 A CN 202110201202A CN 112804784 A CN112804784 A CN 112804784A
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- light
- lamp
- module
- control
- light intensity
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the technical field of intelligent illumination, in particular to a control circuit for detecting light intensity and a lamp, wherein the control circuit comprises: the light detection module is used for outputting an ambient light intensity signal and converting the ambient light intensity signal into an electric signal when detecting that the light detection angle is consistent with the illumination angle; the input end of the control module is connected with the output end of the optical detection module, and when the switch is judged to be turned off according to the electric signal, the control module outputs a control signal; and the input end of the driving module is connected with the output end of the control module, the switch is driven to be closed according to the control signal, and the brightness of the plurality of LED lamp beads in the lamp is driven to change according to the change of natural light. Has the advantages that: under the condition that the lamp is turned on, the light detection module can restrain the influence of self light and/or adjacent light, accurately judges the light intensity of the natural light of the illumination angle, realizes independent automatic light management according to the light intensity of the natural light, does not need to be an additional structure to separate the light, and does not need to be intermittent light closing detection.
Description
Technical Field
The invention relates to the technical field of intelligent illumination, in particular to a control circuit for detecting light intensity and a lamp.
Background
An intelligent lighting fixture is typically automatically turned on for illumination at night when ambient brightness is insufficient, and is turned off during the day when ambient brightness is sufficient. When the lamp is in an open state and the ambient brightness is detected by the photosensitive device, the light emitted by the lamp interferes with the photosensitive device to acquire ambient brightness data, and the change of ambient natural light cannot be judged.
In the prior art, a centralized timing power supply control mode is usually adopted, the lamp is turned off in the daytime and turned on at night, however, the control mode needs manual operation or extra setting of a timer, the method needs to centrally set the timer to control multiple paths of lamps, and when the multiple paths of lamps are under different ambient light brightness and at different positions, the time for turning on the lamps is different, so that the mode of controlling the on-off of the lamps by centrally setting the timer cannot meet actual requirements.
Or the light measuring hole is arranged outside the light emitting cavity of the lamp by adopting a mode of isolating the light sensor from the light of the lamp, or the light is shielded from the light of the lamp by using a light shield in the middle of the lamp, but the structure is complex, or the appearance of an illumination part is damaged, and when the light sensor is arranged in a light reflecting environment, such as a light reflecting lampshade, the light collection can be interfered.
Or the mode of intermittently turning off the light is adopted, the light sensitivity is detected under the condition of turning off the light for a short time, and then the light is turned on, however, when a plurality of lamps are installed, the problem that adjacent lamps interfere with the photosensitive collection of each other is still caused.
Therefore, the above problems are difficult problems to be solved by those skilled in the art.
Disclosure of Invention
To solve the above problems in the prior art, a control circuit and a lamp for detecting light intensity are provided.
The specific technical scheme is as follows:
the invention provides a control circuit for detecting light intensity, which is applied to a lamp, wherein the control circuit comprises:
the light detection module is used for detecting whether a light detection angle is consistent with the illumination angle of the lamp or not, and outputting an ambient light intensity signal and converting the ambient light intensity signal into an electric signal when the light detection angle is detected to be consistent with the illumination angle;
the input end of the control module is connected with the output end of the light detection module and is used for judging whether a switch of the lamp is turned off or closed according to the electric signal and outputting a control signal when the switch is turned off;
and the input end of the driving module is connected with the output end of the control module and is used for driving the switch to be closed according to the control signal and driving the brightness of the plurality of LED lamp beads in the lamp to change according to the change of natural light.
Preferably, the light detection module includes:
the light detection unit is used for outputting the ambient light intensity signal when detecting that the photometric angle is consistent with the illumination angle of the lamp;
and the conversion unit is connected to the light detection unit and is used for converting the ambient light intensity signal to form the corresponding electric signal.
Preferably, the light detection unit comprises a light sensitive sensor.
Preferably, the optical detection device further comprises a power module, wherein an output end of the power module is respectively connected to an input end of the optical detection module, an input end of the control module and an input end of the driving module, and is used for supplying power to the optical detection module, the control module and the driving module.
The invention also provides a lamp, wherein the lamp is used for the control circuit, and the lamp comprises:
the control board is used for controlling the switch of the lamp to be switched off or switched on;
and the photosensitive element is electrically connected to the control board and used for detecting whether a photometric angle is consistent with the illumination angle of the lamp or not and outputting an ambient light intensity signal when the photometric angle is detected to be consistent with the illumination angle.
Preferably, the photosensitive component is a photosensitive sensor.
Preferably, the method further comprises the following steps:
a lamp shade;
the lamp panel is fixed at the bottom end of the lampshade so as to form a sealed cavity with the lampshade;
a plurality of LED lamp pearls set up in the lamp plate, and the electricity is connected the control panel.
Preferably, the control panel and the photosensitive component are arranged in the sealed cavity.
The technical scheme has the following advantages or beneficial effects: the light detection module can restrain the influence of self light and/or adjacent light under the condition that the lamp is turned on, the light intensity of the natural light of the illumination angle is accurately judged, independent automatic light management is realized according to the light intensity of the natural light, an additional structure is not needed to be made to separate the light, and intermittent light closing detection is not needed.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
FIG. 1 is a schematic diagram of a control circuit according to an embodiment of the present invention;
fig. 2 is a schematic view of a lamp structure according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The invention provides a control circuit for detecting light intensity, which is applied to a lamp, wherein the control circuit is shown in a combined figure 1 and a figure 2 and comprises the following components:
the system comprises a light detection module 1, a light detection module, a light source module and a control module, wherein the light detection module is used for detecting whether a light detection angle is consistent with an illumination angle of a lamp or not, and outputting an ambient light intensity signal and converting the ambient light intensity signal into an electric signal when the light detection angle is consistent with the illumination angle;
the input end of the control module 2 is connected with the output end of the light detection module 1 and is used for judging whether a switch of the lamp is turned off or closed according to the electric signal and outputting a control signal when the switch is turned off;
and the input end of the driving module 3 is connected with the output end of the control module 2 and is used for driving the switch to be closed according to the control signal and driving the brightness of the plurality of LED lamp beads in the lamp to change according to the change of natural light.
Specifically, in the present embodiment, the spectral range of the LED light source adopted by the lamp is mainly concentrated in the range of 400-750nm, and the light detection module 1 adopted in the present embodiment has a low sensitivity to the spectrum in the range of 400-750nm, but has a high sensitivity to the infrared spectrum above 750nm, and the spectral distribution of natural light (i.e. sunlight) has a large amount of infrared spectrum, and can detect infrared light even in cloudy days or in an environment that can be illuminated by indoor natural light. Generally, the infrared light intensity of natural light has a correlation with the visible light intensity, and when the light fixture is turned on, the spectral data detected by the light detection module 1 mainly comes from the intensity of natural light, and when the light detection module 1 detects that the photometric angle is consistent with the illumination angle of the light fixture, an ambient light intensity signal can be determined, and the ambient light intensity signal can be converted into an electrical signal.
Further, the control module 2 is configured to determine whether to change the lighting state of the lamp, and then determine whether to turn off or close the switch of the lamp according to the electrical signal through the control module 2, and output a control signal when determining that the switch is turned off.
Further, the driving module 3 is controlled through the control signal, so that the states of the LED lamp beads are controlled, and the brightness of the LED lamp beads in the lamp is changed according to the change of natural light.
In this embodiment, make lamps and lanterns can be under the condition that the lamp was opened, light detection module 1 can restrain the influence of self light and \ or adjacent light, accurately judges the light intensity of the natural light of illumination angle to according to the light intensity of natural light, realize independent automatic light management, and need not to do extra structure and come the separation to the light, also need not to do intermittent type light and close the detection.
In a preferred embodiment, the light detection module 1 comprises:
a light detection unit (not shown) for outputting an ambient light intensity signal when detecting that the light detection angle is consistent with the illumination angle of the lamp;
a conversion unit (not shown) connected to the light detection unit (not shown) for converting the ambient light intensity signal to form a corresponding electrical signal.
Specifically, the light detection module 1 in the above technical solution includes a light detection unit (not shown in the figure) and a conversion unit (not shown in the figure), wherein when the light detection unit (not shown in the figure) detects that the light measurement angle is consistent with the illumination angle of the lamp, an ambient light intensity signal is output, and then the ambient light intensity signal is converted by the conversion unit (not shown in the figure) to form a corresponding electrical signal.
In a preferred embodiment, the light detection unit (not shown) comprises a light sensitive sensor.
Specifically, the light detection unit (not shown in the figure) in the above technical solution is realized by a photosensitive sensor.
In a preferred embodiment, as shown in fig. 1, the optical detection module further includes a power module 4, wherein an output end of the power module 4 is respectively connected to an input end of the optical detection module 1, an input end of the control module 2, and an input end of the driving module 3, and is configured to supply power to the optical detection module 1, the control module 2, and the driving module 3.
Specifically, in this embodiment, the device further includes a power module 4, and the power module 4 is configured to provide operating power to the light detection module 1, the control module 2, and the driving module 3.
The invention also provides a lamp, wherein the control circuit is adopted, and as shown in fig. 2, the lamp comprises:
the control panel 5 is used for controlling the on-off or on-off of the switch of the lamp;
and the photosensitive element 6 is electrically connected to the control board 1 and is used for detecting whether a photometric angle is consistent with the illumination angle of the lamp or not and outputting an ambient light intensity signal when the photometric angle is detected to be consistent with the illumination angle.
Specifically, the lamp in this embodiment controls the turn-off or the turn-on of the lamp switch through the control board 5, when the lamp switch is in the turn-on state, the light source component 6 detects whether the photometric angle is consistent with the lighting angle of the lamp, and when the detection result is consistent, the ambient light intensity signal can be determined. In addition, in the present embodiment, the photosensitive component 6 is a photosensitive sensor.
In a preferred embodiment, the method further comprises:
a lamp cover 7;
the lamp panel 8 is fixed at the bottom end of the lampshade 7 to form a sealed cavity with the lampshade 7;
a plurality of LED lamp pearls 9 set up in lamp plate 8, and electricity connection control panel 5.
Specifically, this is control panel 5 and photosensitive component 6 among lamp plate 8, a plurality of LED lamp pearl 9 and the above-mentioned technical scheme in the embodiment all set up in lamp shade 7, and especially photosensitive component 6 sets up in having the luminous sealed cavity of a plurality of LED lamp pearls 9, need not to do extra structure and carries out the separation to light, also need not to do intermittent type light and close the detection.
In a preferred embodiment, the control board 5 and the photosensitive component 6 are both disposed in the sealed cavity.
Specifically, in this embodiment, all set up control panel 5 and photosensitive element 6 in the sealed cavity of lamp shade 7 to need not to do extra structure, with the realization to the purpose of light separation.
The technical scheme has the following advantages or beneficial effects: the light detection module can restrain the influence of self light and/or adjacent light under the condition that the lamp is turned on, the light intensity of the natural light of the illumination angle is accurately judged, independent automatic light management is realized according to the light intensity of the natural light, an additional structure is not needed to be made to separate the light, and intermittent light closing detection is not needed.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A control circuit for detecting light intensity is applied to a lamp, and is characterized by comprising:
the light detection module is used for detecting whether a light detection angle is consistent with the illumination angle of the lamp or not, and outputting an ambient light intensity signal and converting the ambient light intensity signal into an electric signal when the light detection angle is detected to be consistent with the illumination angle;
the input end of the control module is connected with the output end of the light detection module and is used for judging whether a switch of the lamp is turned off or closed according to the electric signal and outputting a control signal when the switch is turned off;
and the input end of the driving module is connected with the output end of the control module and is used for driving the switch to be closed according to the control signal and driving the brightness of the plurality of LED lamp beads in the lamp to change according to the change of natural light.
2. The control circuit of claim 1, wherein the light detection module comprises:
the light detection unit is used for outputting the ambient light intensity signal when detecting that the photometric angle is consistent with the illumination angle of the lamp;
and the conversion unit is connected to the light detection unit and is used for converting the ambient light intensity signal to form the corresponding electric signal.
3. The control system of claim 2, wherein the light detection unit comprises a light sensitive sensor.
4. The control circuit of claim 1, further comprising a power module, wherein an output of the power module is connected to an input of the light detection module, an input of the control module, and an input of the driving module, respectively, for supplying power to the light detection module, the control module, and the driving module.
5. A luminaire adapted for use with the control circuit of any one of claims 1-4, said luminaire comprising:
the control board is used for controlling the switch of the lamp to be switched off or switched on;
and the photosensitive element is electrically connected to the control board and used for detecting whether a photometric angle is consistent with the illumination angle of the lamp or not and outputting an ambient light intensity signal when the photometric angle is detected to be consistent with the illumination angle.
6. A lamp as claimed in claim 5, characterized in that the light-sensitive component is a light-sensitive sensor.
7. A light fixture as recited in claim 5, further comprising:
a lamp shade;
the lamp panel is fixed at the bottom end of the lampshade so as to form a sealed cavity with the lampshade;
a plurality of LED lamp pearls set up in the lamp plate, and the electricity is connected the control panel.
8. The lamp of claim 5, wherein the control board and the photosensitive element are both disposed within the sealed cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110201202.2A CN112804784A (en) | 2021-02-23 | 2021-02-23 | Control circuit for detecting light intensity and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110201202.2A CN112804784A (en) | 2021-02-23 | 2021-02-23 | Control circuit for detecting light intensity and lamp |
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| Publication Number | Publication Date |
|---|---|
| CN112804784A true CN112804784A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110201202.2A Pending CN112804784A (en) | 2021-02-23 | 2021-02-23 | Control circuit for detecting light intensity and lamp |
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| CN (1) | CN112804784A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114121546A (en) * | 2021-11-25 | 2022-03-01 | 国网重庆市电力公司电力科学研究院 | Device for monitoring position of switch moving contact through optical fiber and monitoring method thereof |
-
2021
- 2021-02-23 CN CN202110201202.2A patent/CN112804784A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114121546A (en) * | 2021-11-25 | 2022-03-01 | 国网重庆市电力公司电力科学研究院 | Device for monitoring position of switch moving contact through optical fiber and monitoring method thereof |
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