CN205726512U - A kind of adjusting control circuit of adjustable color temperature - Google Patents
A kind of adjusting control circuit of adjustable color temperature Download PDFInfo
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- CN205726512U CN205726512U CN201620269890.0U CN201620269890U CN205726512U CN 205726512 U CN205726512 U CN 205726512U CN 201620269890 U CN201620269890 U CN 201620269890U CN 205726512 U CN205726512 U CN 205726512U
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- color temperature
- lamp string
- bbl
- control circuit
- driving
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Abstract
The utility model discloses the adjusting control circuit of a kind of adjustable color temperature, including controllable silicon dimmer, drive power supply, LED module and BBL to regulate control module, described controllable silicon dimmer is connected with driving power supply；Described driving power supply is connected with LED module；Described LED module is connected with BBL regulation control module.Can solve presently commercially available product can only sectional-regulated colour temperature and the high problem of stepless continuous adjustment cost, compatible strong, with low cost, be widely used in field of LED illumination.
Description
Technical field
This utility model relates to field of LED illumination, the adjusting control circuit of a kind of adjustable color temperature.
Background technology
BBL:black body line black body-line.
Triac Dimmer: a kind of traditional controller by sinusoidal supply waveform being carried out controllable silicon cut.
Presently commercially available adjustable color temperature LED light fixture product can be divided into sectional-regulated colour temperature (cannot regulate light to lead to substantially
Amount), such as 2700K, 4000K, 5000K tri-sections regulation, if environment or customer requirement obtain other all kinds of color temperature points then this
Series products will be unable to meet；An other series products is then by using special special expensive device to reach colour temperature continuously adjustabe
Purpose, this series products is owing to can accomplish colour temperature continuously adjustabe, it is possible to meet any scene demand of user, but uniquely
Deficiency is relatively costly, the more difficult acceptance of general domestic consumer, thus restricts it and further popularize, and affects overall market prospect.
LED lamp is confined to the control to luminous flux substantially at the product in light modulation field at present, and the regulation overwhelming majority of colour temperature then makes
Use stagewise control, have the scheme product of continuously adjustabe colour temperature as extremely indivedual big factories, but there is problem with high costs.
The shortcoming of market existing colour temperature regulation LED lamp: a common class is to use switch on wall or wireless controlled
The modes such as system carry out sectional-regulated colour temperature, limit the application of product, and this series products all can only accomplish several colour temperature simultaneously
The regulation of point, and the control of luminous flux output can not be carried out.From the use consciousness of conventional bulb, people get used to the brightest
Colour temperature is the highest, the darkest, and the feature that colour temperature is the lowest is observed, and a lot of people less accept only to change the beche-de-mer without spike of product one of which
Number；And the another kind of product that can accomplish that BBL dims, it is substantially the function using dedicated devices to remove to reach product requirement,
The product cost so produced is higher, influences whether to drive the change of the electric parameter of power supply simultaneously.And current detecting and driving
Dynamic functional software, but relate to detail programming, hardware cost is the most of a relatively high.It is therefore desirable to improve.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide the brightness adjustment control electricity of a kind of adjustable color temperature
Road.
This utility model be the technical scheme is that
This utility model provides the adjusting control circuit of a kind of adjustable color temperature, including controllable silicon dimmer, drives power supply,
LED module and BBL regulate control module, and described controllable silicon dimmer is connected with driving power supply；Described driving power supply and LED module
Connect；Described LED module is connected with BBL regulation control module.
As the improvement of this technical scheme, described LED module includes driving transistor, the first lamp string and the second lamp string, institute
State driving transistor include high potential pin, electronegative potential pin and control pole；Described first lamp string and the high electricity driving transistor
Position pin connects；Second lamp string is connected with the electronegative potential pin driving transistor, drives the electronegative potential pin ground connection of transistor.
As the improvement of this technical scheme, the BBL drive end of described BBL regulation control module and the control driving transistor
Pole connects, and current detecting end and the second lamp series winding of BBL regulation control module connect.
As the improvement of this technical scheme, the colour temperature of described first lamp string and the second lamp string is different.
Further, described first lamp string is low colour temperature lighting string, and described second lamp string is high color temperature lighting string.
Further, described driving transistor is for driving audion, and wherein said high potential pin is to drive audion
Colelctor electrode；Described electronegative potential pin is the emitter stage driving audion；Described control extremely drives the base stage of audion.
Further, described first lamp string and the second lamp string include at least one LED respectively.
The beneficial effects of the utility model are: this utility model utilizes circuit that the output signal of light modulation is detected and driven
The dynamic circuit aiming at colour temperature light modulation making carries out colour temperature brightness continuously adjustabe, does not affect the electrical quantity of driving simultaneously.So product
I.e. can accomplish to regulate luminous flux output, it is possible to accomplish the regulation of colour temperature, also will not relate to any electricity driving power supply simultaneously
Gas performance impact.Utilizing this circuit, can solve presently commercially available product can only sectional-regulated colour temperature and stepless continuous be adjusted to
This high problem, compatible strong, with low cost.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
Fig. 1 is the colour temperature brightness dimming LED lamp structured flowchart of this utility model one embodiment；
Fig. 2 is the colour temperature brightness dimming LED lamp control principle drawing of this utility model one embodiment.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.
This utility model provides the adjusting control circuit of a kind of adjustable color temperature, comprises: special LED dimming drive power,
Special BBL dimming LED (Light Emitting Diode) module, and it is exclusively used in detection and the drive circuit that BBL LED module drives.The most special
LED dimming drive power be used for driving BBL LED module to work in normal range, simultaneously need to can compatible Triac
The control of dimmer；BBL dimming LED (Light Emitting Diode) module is mainly used in sending the optics of colour temperature that product needed reaches and brightness to be wanted
Ask；And special BBL LED module drives and the output state of signal deteching circuit mainly identification LED module, and
Colour temperature according to this state-driven regulation BBL LED module and brightness flop.
With reference to Fig. 1, the adjusting control circuit of a kind of adjustable color temperature, including controllable silicon dimmer, drive power supply, LED module
Regulating control module with BBL, described controllable silicon dimmer is connected with driving power supply；Described driving power supply is connected with LED module；Institute
State LED module to be connected with BBL regulation control module.
Described LED module includes driving transistor, the first lamp string and the second lamp string, and described driving transistor includes high potential
Pin, electronegative potential pin and control pole；Described first lamp string is connected with the high potential pin driving transistor；Second lamp string with drive
The electronegative potential pin of dynamic transistor connects, and drives the electronegative potential pin ground connection of transistor.
As the improvement of this technical scheme, the BBL drive end of described BBL regulation control module and the control driving transistor
Pole connects, and current detecting end and the second lamp series winding of BBL regulation control module connect.
Specifically, described driving transistor can be audion, field effect transistor or silicon-controlled device etc..
As an embodiment of the present utility model, with reference to Fig. 1, described driving transistor is driving audion, described first
Lamp string is connected with the colelctor electrode driving audion；Second lamp string is connected with the emitter stage driving audion, drives sending out of audion
Emitter grounding.The BBL drive end of described BBL regulation control module is connected with the base stage driving audion, and BBL regulates control module
Current detecting end and the second lamp series winding connect.
As the improvement of this technical scheme, the colour temperature of described first lamp string and the second lamp string is different.
As the improvement of this technical scheme, described first lamp string is low colour temperature lighting string, and described second lamp string is high color temperature
Lighting string.
Further, described first lamp string and the second lamp string include at least one LED respectively.
A kind of dimming controlling method of adjustable color temperature, for the adjusting control circuit of described adjustable color temperature, including:
Connect the adjusting control circuit of adjustable color temperature；
Adjust the knob of controllable silicon dimmer, regulate cut angle, change the size driving electric power outputting current, it is achieved control
The colour temperature of LED module and the purpose of brightness.
When described controllable silicon dimmer controls brightness reduction, BBL regulation control module detects current reduction, BBL
Driving port driving force to strengthen, drive transistor saturation to increase, the first lamp concatenates into described adjusting control circuit, and colour temperature drops
Low；
Along with the electric current of the second lamp string constantly reduces, the driving force of described driving transistor is strengthened, described LED module
Colour temperature offsets to low colour temperature end；
When the second lamp string stream is decreased to a certain degree, and described driving transistor is fully saturated, the first lamp string connects completely
Entering, the second lamp string extinguishes；
Along with the further reduction of brightness adjustment control, the first lamp string extinguishes, it is achieved the colour temperature of described LED module and luminous flux are even
Continuous change.
Shown in Fig. 2, for the brightness adjustment control schematic diagram of a kind of adjustable color temperature, specific works is as follows:
1) power supply circuits being provided with controllable silicon dimmer are accessed this product.
2) adjust controllable silicon dimmer knob, go to control special driving power supply changing cut angle.
3) under conditions of controllable silicon difference cut, control to drive the size of electric power outputting current, reach to control LED mould
Group colour temperature and the purpose of brightness.
4) realization of BBL light modulation, when, while regulation product brightness, BBL drives and current detecting is also together with stepping
Row correspondence change, when controllable silicon dimmer controls brightness reduction, BBL detection drives the current detecting end identification of functional circuit
To current reduction, the BBL of functional circuit drives port driving force to strengthen, and drives transistor saturation to increase, low color temperature point
Lamp concatenation entry loop, makes colour temperature start to reduce；Along with the electric current of high color temperature lighting string reduces further, drive the driving of transistor
Ability is strengthened the most further, and the output of low colour temperature lighting string is also strengthened, thus causes colour temperature to offset to low colour temperature end the most further；
Finally, when high color temperature lighting string electric current is little to a certain extent, and when driving transistor fully saturated, low colour temperature lighting string connects completely
Entering, high color temperature lighting string extinguishes (because two lamp strings have certain pressure reduction, so when driving transistor saturated, electric current will all flow into
The low color temperature lamp string of low voltage difference)；Along with the further reduction of brightness adjustment control, final low color temperature lamp string also extinguishes, so that with
Colour temperature and the luminous flux process from big to small of upper whole process are fully completed；If dimmer is from small to large, then can reach above
Otherwise effect.
The controllable silicon dimmer that this utility model relates to, is required for different power supply areas and uses different adaptations to produce
Product, the driving power supply that product relates to simultaneously also has differentiation.Thyristor regulating photocontrol colour temperature mentioned by this utility model and light
Flux continually varying realize, be also equally applicable to other any continuous light tuning controller (as controlled in wireless, on-off control,
Based Intelligent Control etc.) control, user needn't consider compatibility issue present in it.
It is above preferable enforcement of the present utility model is illustrated, but the invention is not limited to described reality
Executing example, those of ordinary skill in the art also can make all equivalent changes on the premise of this utility model spirit
Shape or replacement, deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (7)
1. the adjusting control circuit of an adjustable color temperature, it is characterised in that: include controllable silicon dimmer, drive power supply, LED module
Regulating control module with BBL, described controllable silicon dimmer is connected with driving power supply；Described driving power supply is connected with LED module；Institute
State LED module to be connected with BBL regulation control module.
The adjusting control circuit of adjustable color temperature the most according to claim 1, it is characterised in that: described LED module includes driving
Dynamic transistor, the first lamp string and the second lamp string, described driving transistor includes high potential pin, electronegative potential pin and controls pole；
Described first lamp string is connected with the high potential pin driving transistor；Second lamp string connects with the electronegative potential pin driving transistor
Connect, drive the electronegative potential pin ground connection of transistor.
The adjusting control circuit of adjustable color temperature the most according to claim 2, it is characterised in that: described BBL regulation controls mould
The BBL drive end of block is connected with the control pole driving transistor, the current detecting end of BBL regulation control module and the second lamp series winding
Connect.
4. according to the adjusting control circuit of the adjustable color temperature described in Claims 2 or 3, it is characterised in that: described first lamp string and
The colour temperature of the second lamp string is different.
5. according to the adjusting control circuit of the adjustable color temperature described in Claims 2 or 3, it is characterised in that: described first lamp string is
Low colour temperature lighting string, described second lamp string is high color temperature lighting string.
The adjusting control circuit of adjustable color temperature the most according to claim 3, it is characterised in that: described driving transistor is for driving
Dynamic audion, wherein high potential pin is the colelctor electrode driving audion；Electronegative potential pin is the emitter stage driving audion；Institute
State the base stage controlling extremely to drive audion.
The adjusting control circuit of adjustable color temperature the most according to claim 6, it is characterised in that: described first lamp string and second
Lamp string includes at least one LED respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620269890.0U CN205726512U (en) | 2016-03-31 | 2016-03-31 | A kind of adjusting control circuit of adjustable color temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620269890.0U CN205726512U (en) | 2016-03-31 | 2016-03-31 | A kind of adjusting control circuit of adjustable color temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205726512U true CN205726512U (en) | 2016-11-23 |
Family
ID=57311643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620269890.0U Withdrawn - After Issue CN205726512U (en) | 2016-03-31 | 2016-03-31 | A kind of adjusting control circuit of adjustable color temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205726512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657914A (en) * | 2016-03-31 | 2016-06-08 | 深圳市九洲光电科技有限公司 | Color-temperature-adjustable dimming control circuit and color-temperature-adjustable dimming control method |
-
2016
- 2016-03-31 CN CN201620269890.0U patent/CN205726512U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657914A (en) * | 2016-03-31 | 2016-06-08 | 深圳市九洲光电科技有限公司 | Color-temperature-adjustable dimming control circuit and color-temperature-adjustable dimming control method |
| CN105657914B (en) * | 2016-03-31 | 2018-06-29 | 深圳市九洲光电科技有限公司 | The adjusting control circuit and method of a kind of adjustable color temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180629 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180629 |