CN105873297A - Light control circuit and lamp applying light control circuit - Google Patents
Light control circuit and lamp applying light control circuit Download PDFInfo
- Publication number
- CN105873297A CN105873297A CN201610390627.1A CN201610390627A CN105873297A CN 105873297 A CN105873297 A CN 105873297A CN 201610390627 A CN201610390627 A CN 201610390627A CN 105873297 A CN105873297 A CN 105873297A
- Authority
- CN
- China
- Prior art keywords
- light
- resistance
- circuit
- operated circuit
- luminous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a light control circuit. The light control circuit comprises a power circuit, a controller, an amplifier, a drive circuit and a light-emitting source which are electrically connected in sequence, wherein the amplifier is used for amplifying a control signal output by the controller, and the drive circuit receives the amplified control signal and drives the light-emitting source to emit light according to the amplified control signal. The light control circuit is characterized by further comprising a sensing circuit for outputting different sensing signals according to the intensity of ambient light, and the controller receives the sensing signals output by the sensing circuit and controls the light intensity of the light-emitting source according to the received sensing signals. Compared with related arts, the invention further provides a lamp applying the light control circuit, and the light control circuit avoids self light-emitting interference and performs small-range accurate detection and dimming.
Description
Technical field
The present invention relates to technical field of LED illumination, particularly relate to a kind of light-operated circuit and application
The light fixture of described light-operated circuit.
Background technology
Along with the development of modern science and technology, improving constantly of people's living standard, protecting
On the basis of barrier base lighting, the energy-saving demand to energy consumption type product is the most increasingly paid attention to.Energy-conservation
Light fixture is capable of under low-light level environment strengthening luminous power and ensures base lighting, at high brightness
Luminous power saves energy is reduced under environment.
Energy-saving lamp in correlation technique arranges light measurer in lamp illumination range, by entirety
Lamp detects according to the light intensity under environment, regulates the luminous power of light emitting diode, makes
The light intensity of photoenvironment maintains preset strength.But, this overall lamp is according to the survey of environment
Light method cannot ensure and accurately measure a certain small-scale environments light intensity and precisely dim,
And cannot avoid being disturbed by light fixture self light.
Therefore, it is necessary to provide a kind of new light-operated circuit and apply the light fixture of described light-operated circuit
Solve above-mentioned technical problem.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical problem, it is provided that one avoids self luminous dry
Disturb, the light-operated circuit that little scope accurately detected and dims and apply described light-operated circuit
Light fixture.
The invention provides a kind of light-operated circuit, including the power circuit being sequentially connected electrically, control
Device, amplifier, drive circuit and luminous source, it is defeated that described amplifier is used for amplifying described controller
The control signal gone out, described drive circuit receives the described control signal after amplifying, and according to putting
Described control signal after great drives described luminous source luminous, it is characterised in that described light-operated electricity
Road also includes for the sensing circuit according to the different transducing signal of ambient light power output, described
Controller receives the described transducing signal of described sensing circuit output, and according to described in receiving
Transducing signal controls the luminous strong and weak of described luminous source.
Preferably, described sensing circuit includes the first resistance and for changing according to light intensity
The light sensitive diode of the current value of described sensing circuit, described first resistant series is in described control
Between the outfan of device and described light sensitive diode.
Preferably, described light-operated circuit also includes filter circuit, the input of described light sensitive diode
End electrically connects with described filter circuit.
Preferably, described light-operated circuit also includes the second resistance and the 3rd resistance, described controller,
Described second resistance and described 3rd resistance are sequentially connected electrically and ground connection, and described amplifier electrically connects
Between described second resistance and the 3rd resistance.
Preferably, described drive circuit includes driving power supply and field effect transistor, described field effect transistor
Input electrically connect with described driving power supply, the outfan of described field effect transistor and described luminescence
Source electrically connects.
Preferably, described light-operated circuit also includes the 4th resistance and the 5th resistance, described amplifier,
Described 4th resistance, the 5th resistance and described driving power supply are sequentially connected electrically, described field effect transistor
Control end be electrically connected between described 4th resistance and described 5th resistance.
Preferably, described power circuit include circuit power, the 6th resistance, the 7th resistance,
One electric capacity, the second electric capacity and voltage stabilizing chip, described circuit power, described 6th resistance and the 7th
Resistance is sequentially connected electrically and ground connection, and described first electric capacity and described second electric capacity are respectively with described the
Seven resistor coupled in parallel, the input of described voltage stabilizing chip is electrically connected to described 6th resistance and described
Between seven resistance, the outfan of described voltage stabilizing chip electrically connects with described controller.
Preferably, described luminous source is light-emitting diode group.
A kind of light fixture applying above-mentioned light-operated circuit, including luminous plaque, lampshade, frame and control
The light-operated circuit that described luminous source luminescence is strong and weak, described lampshade be fixed on described luminous plaque and with
It surrounds receiving space, and described luminous source is located at described luminous plaque and is positioned at described receiving space
In, described frame is fixed on described luminous plaque and is positioned at outside described receiving space.
Preferably, described light fixture also includes that shade, described sensing circuit include light sensitive diode,
Described shade includes opening and Guan Bi end, and described Guan Bi end detachably connects with described frame
Connecing, described light sensitive diode is arranged in described shade.
Compared with correlation technique, the light-operated circuit that the present invention provides receives sensing electricity by controller
The different transducing signals that road is strong and weak according to ambient light and exports, and defeated according to described transducing signal
Go out the power of light that the control signal regulation light fixture of correspondence sends, it is achieved that described light fixture according to
Ambient light is strong and weak adjusts luminous power automatically；Described by light sensitive diode being arranged at shielding
In the shade of light fixture self light interference, it is achieved in appointment region, ambient light power is accurate
Detection and precisely regulate the power of the light that described light fixture sends, can be in conjunction with described shade
It is connected with described frame on multiple positions, it is achieved the ambient light in multiple regions is precisely detected,
And realize the accurate regulation to the light intensity that described light fixture sends further.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention light fixture；
Fig. 2 is the structured flowchart of light-operated circuit of the present invention；
Fig. 3 is the circuit diagram of light-operated circuit of the present invention；
Fig. 4 is the sectional view shown in Fig. 1 along line A-A.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the invention will be further described.
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the structural representation of light fixture of the present invention；
Fig. 2 is the structured flowchart of light-operated circuit of the present invention.The present invention provides a kind of light-operated circuit and application
The light fixture of described light-operated circuit, described light fixture 100 include luminous plaque 1, lampshade 2, frame 4,
Shade 5 and light-operated circuit 7.Described light-operated circuit 7 includes power circuit 71, controller
72, amplifier 73, drive circuit 74, luminous source 75 and sensing circuit 76.
Described power circuit 71, described controller 72, described amplifier 73, described driving electricity
Road 74 and described luminous source 75 are sequentially connected electrically.Described amplifier 73 is used for amplifying described control
The control signal of device 72 processed output, described drive circuit 74 receives the described control letter after amplifying
Number, and drive described luminous source 75 luminous according to the described control signal after amplifying.Described biography
The outfan of inductive circuit 76 is connected with described controller 72.Described sensing circuit 76 is for root
According to the transducing signal that the light intensity output detected is different.Described controller 72 receives described
The transducing signal of sensing circuit 76 output, and according to described in described transducing signal output correspondence
Control signal drives described drive circuit 74 to regulate the luminous strong and weak of described luminous source 75.
Refer to Fig. 3, for the circuit diagram of light-operated circuit of the present invention.Described sensing circuit 76 wraps
Include the first resistance R1 and light sensitive diode PD.Described light sensitive diode PD is for according to light
Strong and weak and change the current value of described sensing circuit 76.Described drive circuit 74 includes driving electricity
Source VCC2 and field effect transistor Q2, the input of described field effect transistor Q2 drives electricity with described
Source VCC2 electrically connects, and the outfan of described field effect transistor Q2 is electrically connected with described luminous source 75
Connect.One end of described first resistance R1 electrically connects with described controller 72, its other end with
The outfan electrical connection of described light sensitive diode PD.The input of described light sensitive diode PD
It is electrically connected to the filter circuit 77 being made up of the 8th resistance R8 and the 3rd electric capacity C3.Described control
Device the 72, second resistance R2 and the 3rd resistance R3 processed is sequentially connected electrically and ground connection.Described amplification
Device 73 is electrically connected between described second resistance R2 and described 3rd resistance R3.Described amplification
Device the 73, the 4th resistance R4, the 5th resistance R5 and described driving power supply VCC2 are electrically connected successively
Connecing, the control end of described field effect transistor 74 is electrically connected to described 4th resistance R4 and described
Between five resistance R5.Described power circuit 71 includes circuit power VCC1, the 6th resistance
R6, the 7th resistance R7, the first electric capacity C1, the second electric capacity C2 and voltage stabilizing chip U.Described
Circuit power VCC1, described 6th resistance R6 and the 7th resistance R7 are sequentially connected electrically and ground connection,
Described first electric capacity C1 and described second electric capacity C2 is in parallel with described 7th resistance R7 respectively,
The input of described voltage stabilizing chip U is electrically connected to described 6th resistance R6 and described 7th resistance
Between R7, the outfan of described voltage stabilizing chip U electrically connects with described controller 72.Additionally,
Outfan series connection the 4th electric capacity C4 ground connection of described voltage stabilizing chip U, described controller 72 is gone here and there
Joining the 5th electric capacity C5 ground connection, described 4th electric capacity C4 and described 5th electric capacity C5 is parallel with one another.
Concrete, described amplifier 73 is audion Q1.
Incorporated by reference to refering to Fig. 4, for sectional view along line A-A shown in Fig. 1.Described lampshade 2
It is fixed on described luminous plaque 1 and surrounds receiving space (sign), described luminous source with it
75 are located on described luminous plaque 1 and are positioned at described receiving space.Described frame 4 is fixed on
Described luminous plaque 1 and being positioned at outside described receiving space.Described light sensitive diode PD is arranged at institute
State shade 5 internal.Concrete, described luminous source 75 is light-emitting diode group, described
Light diode group includes multiple light emitting diode, and multiple described light emitting diode spaced set
In described luminous plaque 1 so that the light luminance that described light fixture 100 sends is uniform.
Described shade 5 quantity is one or more, and multiple described shade 5 interval is set up separately
In described frame 4, such that it is able to the light of multiple different positions is accurately detected.Institute
State shade 5 to removably connect with described frame 4 or lampshade 2, concrete, described shade
5 include, with described frame 4 or lampshade 2, the helicitic texture (not shown) that cooperates, described
Shade 5 passes through to snap connection with described frame 4 or lampshade 2.Various difformities, difference
The shade 5 of size all can engage with described frame 4 or lampshade 2, it is achieved according to difference
The shade 5 specifying regional choice correspondence size, thus change the size of photometry region flexibly.
Described shade 5 is for reducing the light outside described shade 5 to described photosensitive two poles
The impact of pipe PD, and the detection range of described light sensitive diode PD is limited in certain limit
In.Described shade 5 includes opening 51 and Guan Bi end 53.Described Guan Bi end 53 and institute
The transparent side stating frame 4 or lampshade 2 removably connects.In the present embodiment, described shade 5
For cylindrical shape, shape petal, oval, irregular and polygon.
Compared with correlation technique, the light-operated circuit 7 that the present invention provides is received by controller 72
The different transducing signals that sensing circuit 76 is strong and weak according to ambient light and exports, and according to described
The power of the light that the control signal regulation light fixture 100 of transducing signal output correspondence sends, it is achieved
Described light fixture 100 according to ambient light strong and weak automatically adjust luminous strong and weak；By by photosensitive two
Pole pipe PD is arranged in the shade 5 shielding the interference of described self light of light fixture 100, it is achieved
In specifying region, precisely detecting of ambient light power sends with the precisely described light fixture 100 of regulation
The power of light, can on multiple positions with described frame 4 even in conjunction with described shade 5
Connect, it is achieved the ambient light in multiple regions is precisely detected, and realize further described light fixture
The accurate regulation of 100 light intensity sent.
The foregoing is only embodiments of the invention, not thereby limit the patent model of the present invention
Enclosing, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence flow process become
Change, or be directly or indirectly used in other relevant technical field, be the most in like manner included in the present invention
Scope of patent protection in.
Claims (10)
1. a light-operated circuit, including the power circuit being sequentially connected electrically, controller, amplifier,
Drive circuit and luminous source, described amplifier is used for amplifying the control signal of described controller output,
Described drive circuit receives the described control signal after amplifying, and according to the described control letter after amplifying
Number drive described luminous source luminous, it is characterised in that described light-operated circuit also includes for according to ring
The sensing circuit of the different transducing signal of environmental light power output, described controller receives described sensing electricity
The described transducing signal of road output, and control described luminous source according to the described transducing signal received
Luminous strong and weak.
Light-operated circuit the most according to claim 1, it is characterised in that described sensing circuit
Including the first resistance with for changing the light of the current value of described sensing circuit according to light intensity
Quick diode, described first resistant series is in the outfan of described controller Yu described light sensitive diode
Between.
Light-operated circuit the most according to claim 2, it is characterised in that described light-operated circuit
Also include that filter circuit, the input of described light sensitive diode electrically connect with described filter circuit.
Light-operated circuit the most according to claim 1, it is characterised in that described light-operated circuit
Also include the second resistance and the 3rd resistance, described controller, described second resistance and described 3rd electricity
Resistance is sequentially connected electrically and ground connection, described amplifier be electrically connected to described second resistance and the 3rd resistance it
Between.
Light-operated circuit the most according to claim 1, it is characterised in that described drive circuit
Including driving power supply and field effect transistor, the input of described field effect transistor is electrically connected with described driving power supply
Connecing, the outfan of described field effect transistor electrically connects with described luminous source.
Light-operated circuit the most according to claim 5, it is characterised in that described light-operated circuit
Also include the 4th resistance and the 5th resistance, described amplifier, described 4th resistance, the 5th resistance and
Described driving power supply is sequentially connected electrically, and the control end of described field effect transistor is electrically connected to described 4th electricity
Between resistance and described 5th resistance.
Light-operated circuit the most according to claim 1, it is characterised in that described power circuit
Including circuit power, the 6th resistance, the 7th resistance, the first electric capacity, the second electric capacity and voltage stabilizing chip,
Described circuit power, described 6th resistance and the 7th resistance are sequentially connected electrically and ground connection, and described first
Electric capacity and described second electric capacity respectively with described 7th resistor coupled in parallel, the input of described voltage stabilizing chip
Be electrically connected between described 6th resistance and described 7th resistance, the outfan of described voltage stabilizing chip with
Described controller electrically connects.
Light-operated circuit the most according to claim 1, it is characterised in that described luminous source is
Light-emitting diode group.
9. the light fixture of the light-operated circuit applied described in claim 1, it is characterised in that bag
Include luminous plaque, lampshade, frame and control the light-operated circuit that described luminous source luminescence is strong and weak, described lamp
Cover is fixed on described luminous plaque and surrounds receiving space with it, and described luminous source is located at described luminescence
Plate and be positioned at described receiving space, described frame is fixed on described luminous plaque and is positioned at described collecting
Outside space.
Light fixture the most according to claim 9, it is characterised in that described light fixture also includes hiding
Light shield, described sensing circuit includes that light sensitive diode, described shade include opening and Guan Bi end,
Described Guan Bi end removably connects with described frame, and described light sensitive diode is arranged at described shade
In.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390627.1A CN105873297A (en) | 2016-06-02 | 2016-06-02 | Light control circuit and lamp applying light control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610390627.1A CN105873297A (en) | 2016-06-02 | 2016-06-02 | Light control circuit and lamp applying light control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105873297A true CN105873297A (en) | 2016-08-17 |
Family
ID=56675900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610390627.1A Pending CN105873297A (en) | 2016-06-02 | 2016-06-02 | Light control circuit and lamp applying light control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105873297A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282941A (en) * | 2017-12-27 | 2018-07-13 | 北京洪泰同创信息技术有限公司 | The control system and control method of room-lighting arrangement |
| CN110418473A (en) * | 2018-04-27 | 2019-11-05 | 广州市番禺奥莱照明电器有限公司 | It is a kind of to prevent light-controlled lamp from the signal processing method to go out |
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| CN2088771U (en) * | 1991-01-14 | 1991-11-13 | 王文钧 | Road lamp antomatic switch |
| CN200979098Y (en) * | 2006-09-07 | 2007-11-21 | 深圳市嘉普通太阳能有限公司 | Accurate induction ceiling lamp |
| CN201137844Y (en) * | 2007-12-29 | 2008-10-22 | 黄蕴萍 | Lamp possessing small night lamp function |
| CN201255382Y (en) * | 2008-09-18 | 2009-06-10 | 曹锡行 | Light control energy-saving lamp |
| CN201869407U (en) * | 2010-10-18 | 2011-06-15 | 东莞市源鑫照明科技有限公司 | LED intelligent control circuit |
| CN102196639A (en) * | 2011-05-19 | 2011-09-21 | 佛山市顺德区嘉信灯饰有限公司 | Intelligent control circuit of solar LED lamp |
| CN202091852U (en) * | 2011-05-31 | 2011-12-28 | 邓加慧 | Light control night light |
| JP2012160328A (en) * | 2011-01-31 | 2012-08-23 | Panasonic Corp | Lighting apparatus |
| CN202972601U (en) * | 2012-10-23 | 2013-06-05 | 玮滔环保产品有限公司 | Optically controlled LED tubing lamp |
| CN104619065A (en) * | 2013-11-02 | 2015-05-13 | 西安中科麦特电子技术设备有限公司 | Light control circuit of LED ceiling lamp |
| CN205048187U (en) * | 2015-10-20 | 2016-02-24 | 李锡文 | Invariable illumination LED fluorescent tube of light ware is got in area |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088771U (en) * | 1991-01-14 | 1991-11-13 | 王文钧 | Road lamp antomatic switch |
| CN200979098Y (en) * | 2006-09-07 | 2007-11-21 | 深圳市嘉普通太阳能有限公司 | Accurate induction ceiling lamp |
| CN201137844Y (en) * | 2007-12-29 | 2008-10-22 | 黄蕴萍 | Lamp possessing small night lamp function |
| CN201255382Y (en) * | 2008-09-18 | 2009-06-10 | 曹锡行 | Light control energy-saving lamp |
| CN201869407U (en) * | 2010-10-18 | 2011-06-15 | 东莞市源鑫照明科技有限公司 | LED intelligent control circuit |
| JP2012160328A (en) * | 2011-01-31 | 2012-08-23 | Panasonic Corp | Lighting apparatus |
| CN102196639A (en) * | 2011-05-19 | 2011-09-21 | 佛山市顺德区嘉信灯饰有限公司 | Intelligent control circuit of solar LED lamp |
| CN202091852U (en) * | 2011-05-31 | 2011-12-28 | 邓加慧 | Light control night light |
| CN202972601U (en) * | 2012-10-23 | 2013-06-05 | 玮滔环保产品有限公司 | Optically controlled LED tubing lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282941A (en) * | 2017-12-27 | 2018-07-13 | 北京洪泰同创信息技术有限公司 | The control system and control method of room-lighting arrangement |
| CN110418473A (en) * | 2018-04-27 | 2019-11-05 | 广州市番禺奥莱照明电器有限公司 | It is a kind of to prevent light-controlled lamp from the signal processing method to go out |
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| PB01 | Publication | ||
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Application publication date: 20160817 |