CN207926974U - A kind of colour temperature adjusts circui - Google Patents
A kind of colour temperature adjusts circui Download PDFInfo
- Publication number
- CN207926974U CN207926974U CN201820329497.5U CN201820329497U CN207926974U CN 207926974 U CN207926974 U CN 207926974U CN 201820329497 U CN201820329497 U CN 201820329497U CN 207926974 U CN207926974 U CN 207926974U
- Authority
- CN
- China
- Prior art keywords
- lamp group
- oxide
- color temperature
- control chip
- metal
- 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.)
- Active
Links
Classifications
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of colour temperature adjusts circui, including power module, high color temperature load lamp group, low color temperature load lamp group, the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, the selecting switch of colour temperature for adjusting different stalls and for the main control chip to the first metal-oxide-semiconductor and the complementary PWM drive signal of the second metal-oxide-semiconductor conveying；The output end of selecting switch is connected to main control chip；The grid of first metal-oxide-semiconductor is connected to the first PWM pins of main control chip, and drain electrode is connected to one end of high color temperature load lamp group, and source electrode is connected to reference ground；The grid of second metal-oxide-semiconductor is connected to the 2nd PWM pins of main control chip, and drain electrode is connected to one end of low color temperature load lamp group, and source electrode is connected to reference ground；High color temperature loads lamp group and the other end of low color temperature load lamp group is all connected to power module.The utility model has many advantages, such as that adjustable range is big, easy to adjust, security performance is high.
Description
Technical field
The utility model is related to lamps and lanterns control field, especially a kind of colour temperature adjusts circui.
Background technology
Colour temperature (color temperature) is used for indicating that photochromic scale, unit are K (Kelvin).One standard is black
Body heats, and color starts, by dark red-pale red-orange yellow-white-indigo plant, to gradually change when temperature increases to a certain extent, when certain light source and
When the color of black matrix is identical, the absolute temperature of black matrix at that time is known as the colour temperature of the light source by we.In different application scenarios, visitor
Requirement of the people to lamps and lanterns colour temperature differs：Colour temperature has steady atmosphere, warm feeling in 3300K or less；Colour temperature is in 3000-
It is intermediate colour temperature when 5000K, there is frank feeling；Colour temperature has cold feeling in 5000K or more.Occurs color on the market at present
Temperature adjusts the LED of class, but mostly uses the mode for directly connecting driving power and load lamp greatly, when adjusting due to driving current
Mutation influence, it is likely that damage load lamp.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of colour temperature adjusts circui, not by driving power
It is directly connected with load lamp, but load lamp is controlled in the way of PWM modulation, load lamp will not be damaged, had a safety feature.
In order to make up for the deficiencies of the prior art, the technical solution adopted in the utility model is：
A kind of colour temperature adjusts circui, including power module, high color temperature load lamp group, low color temperature load lamp group, for distinguishing
Control the first metal-oxide-semiconductor and the second metal-oxide-semiconductor, the color for adjusting different stalls of high color temperature load lamp group and low color temperature load lamp group
Warm selecting switch and the main control chip for conveying complementary PWM drive signal to the first metal-oxide-semiconductor and the second metal-oxide-semiconductor；Selection
The output end of switch is connected to main control chip；The grid of first metal-oxide-semiconductor is connected to the first PWM pins of main control chip, and drain electrode connects
It is connected to one end of high color temperature load lamp group, source electrode is connected to reference ground；The grid of second metal-oxide-semiconductor is connected to the second of main control chip
PWM pins, drain electrode are connected to one end of low color temperature load lamp group, and source electrode is connected to reference ground；High color temperature loads lamp group and low color
The other end of temperature load lamp group is all connected to power module.
Further, selecting switch includes more than two regulation stalls, and regulation stall is all connected to main control chip.
Further, power module includes secondary module for providing control source and for the line for master control chip power supply
Property constant pressure module, secondary module are mutually concatenated with linear constant pressure module, and the output end of linear constant pressure module is connected to main control chip
Power pins.
Further, secondary module includes switch power supply secondary winding, storage capacitor, third capacitance, 3rd resistor and first
Diode；Storage capacitor, third capacitance and 3rd resistor are in parallel and an end is connected to reference ground, and the other end is connected respectively to linearly
The cathode of constant pressure module and the first diode；The anode of first diode is connected to one end of switch power supply secondary winding, switch
The other end of power supply secondary windings is connected to reference ground.
Further, linear constant pressure module includes zener diode, the first capacitance, the second capacitance, first resistor, second resistance
And triode；First resistor is serially connected between secondary module and the collector of triode, and second resistance is serially connected in the collection of triode
Between electrode and base stage；One end of first capacitance is connected respectively to the collector of first resistor and triode, and the other end is connected to
Reference ground；Second capacitance is arranged between the emitter and reference ground of triode；The cathode of zener diode respectively with triode
Base stage connected with second resistance, anode is connected to reference ground；The emitter of triode is connected to the power pins of main control chip.
The utility model has the beneficial effects that：It is provided with master control core between power module and high and low colour temperature load lamp group
Piece and two metal-oxide-semiconductors as switch element, in regulation stall, user is sent to main control chip by selecting switch and adjusts letter
Breath, main control chip select the PWM drive signal of two-way complementary duty cycle to respectively drive two metal-oxide-semiconductors according to the information, to real
The switch of existing two loads lamp group, therefore driving power is not connected directly with load lamp, but in the way of PWM modulation come
Load lamp is controlled, load lamp will not be damaged, had a safety feature；Since two-way PWM duty cycle is complementary, main control chip is only
Respective notch information need to be converted to the PWM duty cycle of a metal-oxide-semiconductor, i.e. the workload of main control chip is small, on the whole adjusting side
Just quickly；Simultaneous selection switch has multiple gears for adjusting, compared to traditional warm regulative mode of monochrome, adjustable range bigger
And it adjusts more convenient.Therefore, the utility model has many advantages, such as that adjustable range is big, easy to adjust, security performance is high.
Description of the drawings
The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, the embodiments of the present invention are described in detail.
Fig. 1 is the circuit diagram of the utility model.
Specific implementation mode
Referring to Fig.1, a kind of colour temperature adjusts circui of the utility model, including power module 1, high color temperature load lamp group 3, low
Colour temperature load lamp group 2 loads the first metal-oxide-semiconductor Q6 and second of lamp group 2 for controlling high color temperature load lamp group 3 and low color temperature respectively
Metal-oxide-semiconductor Q4, the selecting switch SW of colour temperature for adjusting different stalls and for the first metal-oxide-semiconductor Q6 and the second metal-oxide-semiconductor Q4
The main control chip U1 of the complementary PWM drive signal of conveying；The output end of selecting switch SW is connected to main control chip U1；First metal-oxide-semiconductor
The grid of Q6 is connected to the first PWM pin PWM1 of main control chip U1, and drain electrode is connected to one end of high color temperature load lamp group 3, source
Pole is connected to reference ground；The grid of second metal-oxide-semiconductor Q4 is connected to the 2nd PWM pin PWM2 of main control chip U1, and drain electrode is connected to
Low color temperature loads one end of lamp group 2, and source electrode is connected to reference ground；High color temperature loads lamp group 3 and low color temperature loads the another of lamp group 2
End is all connected to power module 1.
Specifically, the first metal-oxide-semiconductor Q6 and the second metal-oxide-semiconductor Q4 can also use triode Q1 or other switching devices to substitute；High color
Temperature load lamp group 3 can be more than two high color temperature LED being connected in series, and it can be more than two strings that low color temperature, which loads lamp group 2,
Join the low color temperature LED to connect and DOB lamp beads or high pressure lamp bead can also be used certainly, at this moment just only needs a string.
It is provided with main control chip U1 between power module 1 and high and low colour temperature load lamp group 2 and two are used as switch element
Metal-oxide-semiconductor, in regulation stall, user is sent to main control chip U1 by selecting switch SW and adjusts information, main control chip U1 roots
The PWM drive signal of two-way complementary duty cycle is selected to respectively drive two metal-oxide-semiconductors according to the information, to realize two load lamp groups
Switch, therefore driving power is not connected directly with load lamp, but load lamp is controlled in the way of PWM modulation, no
Load lamp can be damaged, is had a safety feature；Since two-way PWM duty cycle is complementary, main control chip U1 only need to be by corresponding shelves
Position information is converted into the PWM duty cycle of a metal-oxide-semiconductor, i.e. the workload of main control chip U1 is small, adjusts fast and easy on the whole；Together
When selecting switch SW have multiple gears for adjusting, compared to traditional warm regulative mode of monochrome, adjustable range bigger and adjusting
It is more convenient.Therefore, the utility model has many advantages, such as that adjustable range is big, easy to adjust, security performance is high.
Wherein, referring to Fig.1, it is preferable that selecting switch SW include for respectively adjust colour temperature to 2700K, 3000K,
Five regulation stalls of 3500K, 4000K and 5000K, five regulation stalls are all connected to main control chip U1, this five kinds of colour temperatures are
Most common is also the colour temperature of optimum human feeling, wherein the warm colour temperature of two kinds of degree of 2700K, 3000K correspondence, 3500K,
4000K corresponds to nice and cool colour temperature, and 5000K corresponds to cool colour temperature.
Wherein, referring to Fig.1, power module 1 includes secondary module 11 and the linear constant pressure for powering for main control chip U1
Module 12, secondary module 11 are concatenated with linear 12 phase of constant pressure module, and the output end of linear constant pressure module 12 is connected to main control chip
The power pins VDD of U1；Secondary module 11 is the input terminal of Switching Power Supply, using ceramic disc capacitor, the conventional capacitive being in parallel
And resistance and the diode of a rectified action are realized；Power module 1 can provide stable straight for main control chip U1
Stream input.
Wherein, referring to Fig.1, the secondary module 11 includes switch power supply secondary winding T1, storage capacitor EC1, third electricity
Hold C9,3rd resistor R40 and the first diode D5；The storage capacitor EC1, third capacitance C9 and 3rd resistor R40 are in parallel
And one end be connected to reference ground, the other end is connected respectively to the cathode of 12 and first diode D5 of linear constant pressure module；Described first
The anode of diode D5 is connected to one end of switch power supply secondary winding T1, and the other end of the switch power supply secondary winding T1 connects
It is connected to reference ground.
Wherein, referring to Fig.1, linear constant pressure module 12 includes zener diode ZD1, the first capacitance C1, the second capacitance C2, the
One resistance R2, second resistance R7 and triode Q1；The first resistor R2 is serially connected in the current collection of secondary module 11 and triode Q1
Between pole, the second resistance R7 is serially connected between the collector and base stage of triode Q1；One end of the first capacitance C1 point
It is not connected to the collector of first resistor R2 and triode Q1, the other end is connected to reference ground；The second capacitance C2 settings exist
Between the emitter and reference ground of triode Q1；The cathode of zener diode ZD1 is electric with the base stage of triode Q1 and second respectively
R7 connections are hindered, anode is connected to reference ground；The emitter of triode Q1 is connected to the power pins VDD of main control chip U1；First
Capacitance C1 and the second capacitance C2 can play the role of filter action, and triode Q1 plays good conducting, ensure to be steadily master control
Chip U1 carries out power supply.
The preferred embodiment of the utility model and basic principle is discussed in detail in the above content, but the utility model is simultaneously
It is not limited to the above embodiment, those skilled in the art should be recognized that in the premise without prejudice to the spirit of the present invention
Under also have various equivalent variations and replacement, these equivalent variations and replace both fall within claimed the scope of the utility model
It is interior.
Claims (5)
1. a kind of colour temperature adjusts circui, it is characterised in that：It is negative including power module (1), high color temperature load lamp group (3), low color temperature
It carries lamp group (2), load the first metal-oxide-semiconductor (Q6) and the of lamp group (2) for control high color temperature load lamp group (3) respectively and low color temperature
Two metal-oxide-semiconductors (Q4), the selecting switch (SW) of colour temperature for adjusting different stalls and for the first metal-oxide-semiconductor (Q6) and second
The main control chip (U1) of the complementary PWM drive signal of metal-oxide-semiconductor (Q4) conveying；The output end of the selecting switch (SW) is connected to master control
Chip (U1)；The grid of first metal-oxide-semiconductor (Q6) is connected to the first PWM pins (PWM1) of main control chip (U1), and drain electrode connects
It is connected to one end of high color temperature load lamp group (3), source electrode is connected to reference ground；The grid of second metal-oxide-semiconductor (Q4) is connected to master
The 2nd PWM pins (PWM2) of chip (U1) are controlled, drain electrode is connected to one end of low color temperature load lamp group (2), and source electrode is connected to ginseng
Examine ground；The other end of the high color temperature load lamp group (3) and low color temperature load lamp group (2) is all connected to power module (1).
2. a kind of colour temperature adjusts circui according to claim 1, it is characterised in that：The selecting switch (SW) include two with
On regulation stall, the regulation stall is all connected to main control chip (U1).
3. a kind of colour temperature adjusts circui according to claim 1, it is characterised in that：The power module (1) includes for carrying
The secondary module (11) of voltage supplied input and the linear constant pressure module (12) for powering for main control chip (U1), the secondary mould
Block (11) is mutually concatenated with linear constant pressure module (12), and the output end of the linear constant pressure module (12) is connected to main control chip (U1)
Power pins (VDD).
4. a kind of colour temperature adjusts circui according to claim 3, it is characterised in that：The secondary module (11) includes switch electricity
Source secondary windings (T1), storage capacitor (EC1), third capacitance (C9), 3rd resistor (R40) and the first diode (D5)；It is described
Storage capacitor (EC1), third capacitance (C9) and 3rd resistor (R40) are in parallel and an end is connected to reference ground, and the other end connects respectively
It is connected to the cathode of linear constant pressure module (12) and the first diode (D5)；The anode of first diode (D5) is connected to switch
The other end of one end of power supply secondary windings (T1), the switch power supply secondary winding (T1) is connected to reference ground.
5. a kind of colour temperature adjusts circui according to claim 3, it is characterised in that：The linear constant pressure module (12) includes steady
Press diode (ZD1), the first capacitance (C1), the second capacitance (C2), first resistor (R2), second resistance (R7) and triode
(Q1)；The first resistor (R2) is serially connected between secondary module (11) and the collector of triode (Q1), the second resistance
(R7) it is serially connected between the collector and base stage of triode (Q1)；One end of first capacitance (C1) is connected respectively to the first electricity
The collector of (R2) and triode (Q1) are hindered, the other end is connected to reference ground；Second capacitance (C2) is arranged in triode
(Q1) between emitter and reference ground；The cathode of the zener diode (ZD1) respectively with the base stage of triode (Q1) and
Two resistance (R7) connect, and anode is connected to reference ground；The emitter of the triode (Q1) is connected to the electricity of main control chip (U1)
Source pin (VDD).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329497.5U CN207926974U (en) | 2018-03-09 | 2018-03-09 | A kind of colour temperature adjusts circui |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329497.5U CN207926974U (en) | 2018-03-09 | 2018-03-09 | A kind of colour temperature adjusts circui |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926974U true CN207926974U (en) | 2018-09-28 |
Family
ID=63598027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329497.5U Active CN207926974U (en) | 2018-03-09 | 2018-03-09 | A kind of colour temperature adjusts circui |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926974U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110831287A (en) * | 2019-12-13 | 2020-02-21 | 上海顿格电子贸易有限公司 | Driving circuit for LED lamp current distribution |
| CN113196883A (en) * | 2018-10-16 | 2021-07-30 | 理想工业照明有限责任公司 | Solid state lighting device with field configurable CCT and/or luminosity |
| CN113286403A (en) * | 2020-12-31 | 2021-08-20 | 深圳市晶扬科技有限公司 | Switch switching control circuit of small night lamp and main lamp |
| CN116685020A (en) * | 2023-05-11 | 2023-09-01 | 无锡市益明光电有限公司 | Two-in-one dimming LED driving circuit |
-
2018
- 2018-03-09 CN CN201820329497.5U patent/CN207926974U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113196883A (en) * | 2018-10-16 | 2021-07-30 | 理想工业照明有限责任公司 | Solid state lighting device with field configurable CCT and/or luminosity |
| CN110831287A (en) * | 2019-12-13 | 2020-02-21 | 上海顿格电子贸易有限公司 | Driving circuit for LED lamp current distribution |
| CN113286403A (en) * | 2020-12-31 | 2021-08-20 | 深圳市晶扬科技有限公司 | Switch switching control circuit of small night lamp and main lamp |
| CN116685020A (en) * | 2023-05-11 | 2023-09-01 | 无锡市益明光电有限公司 | Two-in-one dimming LED driving circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207926974U (en) | A kind of colour temperature adjusts circui | |
| CN107454711B (en) | A kind of multipath LED drive circuit, driving method and LED drive power | |
| CN205232499U (en) | LED lamp convenient to adjust luminance | |
| CN201925771U (en) | Lamp with adjustable luminous flux and color temperature | |
| CN203399351U (en) | Color temperature-adjustable LED lamp | |
| CN205017658U (en) | Mixing of colors temperature of adjusting luminance LED lamp | |
| CN108282929A (en) | A kind of adjusting circuit of compatible multi color temperature and lumen value | |
| CN109302768A (en) | A kind of brightness-adjusting of LED light source and the device of colour temperature | |
| CN203554741U (en) | Led light modulation controller | |
| CN205160868U (en) | Led circuit and led lamp | |
| CN207926975U (en) | A kind of adjusting circuit of compatible multi color temperature and lumen value | |
| CN201846509U (en) | LED switch dimming power source | |
| CN203608428U (en) | Four-in-one light modulation circuit of LED driving power supply | |
| CN202998609U (en) | Led constant current dimming power supply | |
| CN209627758U (en) | A kind of LED control circuit of compatible light modulation color-temperature regulating | |
| CN202634787U (en) | LED light fixture with sectional color-temperature adjustment | |
| CN206821054U (en) | LED light adjusting circuits and LED module | |
| CN213818247U (en) | LED power supply controller based on APC control | |
| CN203289699U (en) | LED (light-emitting diode) high-power drive circuit | |
| US10791598B1 (en) | Electronic color temperature adjustment circuit | |
| CN213305808U (en) | Split type dial switch color temperature regulator and LED lamp control system | |
| CN109068451B (en) | LED panel light capable of adjusting color temperature and brightness | |
| US10455673B1 (en) | Light string with a non-extinguishing function and an independent LED blinking function | |
| CN209402777U (en) | Color temperature adjusting LED lamp bar circuit without controller | |
| CN207283873U (en) | LED light degree of lightening toning temperature control circuit based on single channel PWM |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |