CN207283873U - LED light degree of lightening toning temperature control circuit based on single channel PWM - Google Patents
LED light degree of lightening toning temperature control circuit based on single channel PWM Download PDFInfo
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- CN207283873U CN207283873U CN201721153882.0U CN201721153882U CN207283873U CN 207283873 U CN207283873 U CN 207283873U CN 201721153882 U CN201721153882 U CN 201721153882U CN 207283873 U CN207283873 U CN 207283873U
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- triode
- signal output
- lamp
- output apparatus
- power supply
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- 230000005611 electricity Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses LED light degree of the lightening toning temperature control circuit based on single channel PWM, including power supply VCC and signal output apparatus, and two LED lamp circuits between power supply VCC and signal output apparatus are connected electrically in, the power supply VCC is connected with the input terminal of the signal output apparatus；Two LED lamp circuits include just white circuit for lamp and warm white circuit for lamp, the just white circuit for lamp includes the triode Q1 that base stage is connected with the signal output apparatus output terminal, with the just white lamp group being electrically connected with triode Q1 collectors, the warm white circuit for lamp includes the triode Q2 that base stage is electrically connected with the collector of the triode Q1, emitter is electrically connected with the signal output apparatus output terminal, and the warm white lamp group being electrically connected with the collector of triode Q2；It is connected after the just white lamp group and warm white lamp group parallel connection with the power supply VCC, capacitance C1 and resistance R6 is also associated between the base stage and signal output apparatus output terminal of triode Q1.The utility model circuit is simple, and practical value is high.
Description
Technical field
A kind of LED light is the utility model is related to, is to be related to a kind of LED light degree of lightening tune based on single channel PWM specifically
Color temperature controlling circuit.
Background technology
In the prior art, LED lamp is in order to realize degree of lightening and color-temperature regulating, and the design of generally use binary channels, i.e., one is logical
Road realizes that low colour temperature is adjusted, and another passage realizes that high color temperature is adjusted, as shown in Figure 1.It is adjusted using signal output apparatus
When, two passages can not control at the same time, colour temperature can only be first adjusted or first adjust brightness, and need three outlets
And double switch or control handle, very big inconvenience is caused to actual installation application.
Utility model content
The purpose of this utility model is to provide a kind of LED light degree of lightening toning temperature control circuit based on single channel PWM, adopt
With an one-channel signal output device, the brightness to LED light and colour temperature are adjusted at the same time, are the actual installation application of LED lamp
Facility is provided.
To achieve the above object, the technical solution adopted in the utility model is as follows：
LED light degree of lightening toning temperature control circuit based on single channel PWM, including a power supply VCC and one are used to export
The signal output apparatus of pwm control signal, and two LED light being connected electrically between power supply VCC and signal output apparatus
Circuit, the power supply VCC are connected with the input terminal of the signal output apparatus；Two LED lamp circuits include a just white lamp
Circuit and a warm white circuit for lamp, wherein, the just white circuit for lamp includes a base stage and the signal output apparatus output terminal
The triode Q1 of connection, and the just white lamp group being electrically connected with triode Q1 collectors, the warm white circuit for lamp include a base
The triode that pole is electrically connected with the collector of the triode Q1, emitter is electrically connected with the signal output apparatus output terminal
Q2, and the warm white lamp group being electrically connected with the collector of triode Q2；After the just white lamp group and warm white lamp group parallel connection with it is described
Power supply VCC connections, capacitance C1 and resistance R6 are also associated between the base stage and signal output apparatus output terminal of the triode Q1,
And capacitance C1 and resistance R6 is in parallel, the emitter of the triode Q1 is electrically connected with the output terminal of the signal output apparatus.
Preferably, it is also associated with resistance R4 between the power supply VCC and the capacitance C1.
Preferably, it is also associated with resistance R1 between the collector of the power supply VCC and the triode Q1.
Preferably, it is also associated with resistance R5 between the base stage of the triode Q2 and triode Q1 collectors.
Preferably, the just white lamp group includes an at least just white lamp, and the warm white lamp group includes an at least warm white lamp.
Preferably, the signal output apparatus is PWM light adjusting controllers or the power supply that can export PWM voltages.
Compared with prior art, the utility model has the advantages that：
（1）The utility model circuit is simple, and it is convenient to realize, it is only necessary to which a signal output apparatus can be at the same time to two-way
LED light carries out colour temperature and brightness is adjusted, and reduces by an outlet, thus greatly reduces actual installation application difficulty,
With very high practical value.
（2）The utility model can realize being adjusted flexibly for circuit and structure according to varying environment, strong environmental adaptability,
It disclosure satisfy that the application demand of varying environment.
Brief description of the drawings
Fig. 1 is the circuit diagram of the prior art.
Fig. 2 is the circuit diagram of the utility model.
Embodiment
The utility model is described in further detail with embodiment for explanation below in conjunction with the accompanying drawings, and the mode of the utility model includes
But it is not limited only to following embodiments.
Embodiment
As shown in Fig. 2, disclosed LED light degree of the lightening toning temperature control circuit based on single channel PWM of the utility model, including
One power supply VCC and a signal output apparatus for being used to export pwm control signal, and it is connected electrically in power supply VCC and letter
Two LED lamp circuits between number output device, the power supply VCC are connected with the input terminal of the signal output apparatus；This two
A LED lamp circuit includes a just white circuit for lamp and a warm white circuit for lamp, wherein, the just white circuit for lamp includes a base stage
The triode Q1 being connected with the signal output apparatus output terminal, and the just white lamp group being electrically connected with triode Q1 collectors,
The warm white circuit for lamp is electrically connected including a base stage with the collector of the triode Q1, emitter is filled with the signal output
Put the triode Q2 of output terminal electrical connection, and the warm white lamp group being electrically connected with the collector of triode Q2；The just white lamp group
It is connected with after warm white lamp group parallel connection with the power supply VCC, between the base stage and signal output apparatus output terminal of the triode Q1
Capacitance C1 and resistance R6 are also associated with, and capacitance C1 and resistance R6 is in parallel, emitter and the signal of the triode Q1
The output terminal of output device is electrically connected.
Preferably, it is also associated with resistance R4 between the power supply VCC and the capacitance C1.
Preferably, it is also associated with resistance R1 between the collector of the power supply VCC and the triode Q1.
Preferably, it is also associated with resistance R5 between the base stage of the triode Q2 and triode Q1 collectors.
Preferably, the just white lamp group includes an at least just white lamp, and the warm white lamp group includes an at least warm white lamp.
Preferably, the signal output apparatus is PWM light adjusting controllers or the power supply that can export PWM voltages.
The utility model is realized a signal output apparatus and two paths of LED lamp is carried out at the same time by the improvement to circuit
Colour temperature and the adjusting of brightness, circuit structure is simple, and realization conveniently not only reduces cost, and is provided more for actual installation application
More facilities, has very high practical value.
Above-described embodiment is only one of preferred embodiment of the utility model, should not be taken to limit the utility model
Protection domain, as long as the utility model body design thought and that mentally makes have no the change of essential meaning or profit
Color, the technical problem that it is solved is still consistent with the utility model, should be included in the scope of protection of the utility model
Within.
Claims (6)
1. LED light degree of the lightening toning temperature control circuit based on single channel PWM, it is characterised in that including a power supply VCC and one
For exporting the signal output apparatus of pwm control signal, and two be connected electrically between power supply VCC and signal output apparatus
A LED lamp circuit, the power supply VCC are connected with the input terminal of the signal output apparatus；Two LED lamp circuits include one
Just white circuit for lamp and a warm white circuit for lamp, wherein, the just white circuit for lamp includes a base stage and the signal output apparatus
The triode Q1 of output terminal connection, and the just white lamp group being electrically connected with triode Q1 collectors, the warm white circuit for lamp include
One base stage is electrically connected with the collector of the triode Q1, emitter is electrically connected with the signal output apparatus output terminal three
Pole pipe Q2, and the warm white lamp group being electrically connected with the collector of triode Q2；After the just white lamp group and warm white lamp group parallel connection with
The power supply VCC connections, capacitance C1 and electricity are also associated between the base stage and signal output apparatus output terminal of the triode Q1
R6 is hindered, and capacitance C1 and resistance R6 is in parallel, the emitter of the triode Q1 and the output terminal electricity of the signal output apparatus
Connection.
2. LED light degree of the lightening toning temperature control circuit according to claim 1 based on single channel PWM, it is characterised in that institute
State and be also associated with resistance R4 between power supply VCC and the capacitance C1.
3. LED light degree of the lightening toning temperature control circuit according to claim 2 based on single channel PWM, it is characterised in that institute
State and be also associated with resistance R1 between the collector of power supply VCC and the triode Q1.
4. LED light degree of the lightening toning temperature control circuit according to claim 3 based on single channel PWM, it is characterised in that institute
State and be also associated with resistance R5 between the base stage of triode Q2 and triode Q1 collectors.
5. LED light degree of the lightening toning temperature control circuit according to claim 4 based on single channel PWM, it is characterised in that institute
Stating just white lamp group includes an at least just white lamp, and the warm white lamp group includes an at least warm white lamp.
6. LED light degree of the lightening toning temperature control circuit according to claim 5 based on single channel PWM, it is characterised in that institute
It is PWM light adjusting controllers or the power supply that can export PWM voltages to state signal output apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153882.0U CN207283873U (en) | 2017-09-11 | 2017-09-11 | LED light degree of lightening toning temperature control circuit based on single channel PWM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153882.0U CN207283873U (en) | 2017-09-11 | 2017-09-11 | LED light degree of lightening toning temperature control circuit based on single channel PWM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207283873U true CN207283873U (en) | 2018-04-27 |
Family
ID=61990541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721153882.0U Withdrawn - After Issue CN207283873U (en) | 2017-09-11 | 2017-09-11 | LED light degree of lightening toning temperature control circuit based on single channel PWM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207283873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484299A (en) * | 2017-09-11 | 2017-12-15 | 四川蓝景光电技术有限责任公司 | LED degree of lightening toning temperature control circuit and its implementation method based on single channel PWM |
-
2017
- 2017-09-11 CN CN201721153882.0U patent/CN207283873U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484299A (en) * | 2017-09-11 | 2017-12-15 | 四川蓝景光电技术有限责任公司 | LED degree of lightening toning temperature control circuit and its implementation method based on single channel PWM |
| CN107484299B (en) * | 2017-09-11 | 2024-04-19 | 四川蓝景光电技术有限责任公司 | LED lamp brightness and color temperature adjusting control circuit based on one-way PWM and implementation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20240419 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20240419 |