CN206821054U - LED light adjusting circuits and LED module - Google Patents
LED light adjusting circuits and LED module Download PDFInfo
- Publication number
- CN206821054U CN206821054U CN201720702052.2U CN201720702052U CN206821054U CN 206821054 U CN206821054 U CN 206821054U CN 201720702052 U CN201720702052 U CN 201720702052U CN 206821054 U CN206821054 U CN 206821054U
- Authority
- CN
- China
- Prior art keywords
- voltage
- led
- output end
- led chip
- circuit
- 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.)
- Expired - Fee Related
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
- Led Devices (AREA)
Abstract
A kind of LED light adjusting circuits of the utility model and LED module, the circuit includes voltage input end and first voltage output end, second voltage output end, wherein, mu balanced circuit is connected between voltage input end and first voltage output end, it is connected with on-off circuit between voltage input end and second voltage output end, the height of the magnitude of voltage that on-off circuit is inputted according to voltage input end and break-make.The LED module includes above-mentioned LED light adjusting circuits and two groups of LED chip groups.The utility model can easily realize the colour temperature regulation of LED module.
Description
Technical field
Light emitting semiconductor device field is the utility model is related to, is to be related to a kind of LED light adjusting circuits and tool specifically
There is the LED module of this light adjusting circuit.
Background technology
LED light device uses light emitting diode（LED）As light-emitting component, its have energy-conserving and environment-protective, consumption power it is low,
The advantages that service life is long, it is widely used in various illumination occasions.A kind of existing LED light device uses two groups of LED cores
Piece group, one of which LED chip group is cold light LED chipset, and the light of cool tone, another group of LED core can be sent after energization
Piece group is warm light lamp chip group, and warm-toned light can be sent after energization.So, people can be by controlling to two groups of LED
The voltage of chipset loading controls the luminosity of two groups of LED chip groups, so as to change the overall colour temperature of LED light device.
LED module used in current tunable optical toning LED light device is connected by binary channels external power source
Onto LED module, that is, powered respectively to two groups of LED chip groups, the power supply of two groups of LED chip groups is controlled respectively, by changing
The luminosity for becoming two groups of LED chip groups reaches the function of light modulation and toning.
For example, the Chinese utility model patent that notification number is CN205793535U disclose it is a kind of warm by adjusting respectively
What the scheme of White-light LED chip group and cool white light LED chip group was adjusted to realize the colour temperature of LED module.The control electricity of the program
Two triodes are provided with road respectively as two Sofe Switch, two triodes control respectively the luminous of one group of LED chip with
Extinguish.So, need to set a break-make switched for controlling two triodes in control circuit.
However, because in this scheme, warm white LED chipset and cool white light LED chip group are all that difference is adjustable, because
This circuit structure is complicated, especially needs the switch for setting a turn knob potentiometer as two groups of LED chip group break-makes of control, leads
The sufficiently bulky of LED module is caused, and the area of control circuit is very big, causes the area of pcb board very big, and then add LED moulds
The production cost of group.In addition, it is necessary to adjust manually during the colour temperature of regulation LED module, also the colour temperature for LED module, which is adjusted, brings
Inconvenience.
The content of the invention
First purpose of the present utility model is to provide a kind of simple LED light adjusting circuits of circuit structure.
Second purpose of the present utility model is to provide a kind of LED module simple in construction, production cost is low.
In order to realize the first above-mentioned purpose, LED light adjusting circuits provided by the utility model include voltage input end and
First voltage output end, second voltage output end, wherein, voltage stabilizing electricity is connected between voltage input end and first voltage output end
Road, is connected with on-off circuit between voltage input end and second voltage output end, on-off circuit is inputted according to voltage input end
Magnitude of voltage height and break-make.
From such scheme, the voltage of voltage input end output is defeated to first voltage output end after mu balanced circuit
Go out, the first group of LED chip group that so may insure to be connected with first voltage input obtains stable voltage, and luminosity
It is invariable, the lifting of input voltage will not be followed and changed.Now, it is only necessary to regulation is input to the voltage of voltage input end,
The voltage of second voltage output end can be changed, so as to change second group of LED chip group being connected with second voltage output end
Luminosity.So, by controlling one group of LED chip group luminosity invariable, the hair of another group of LED chip group is changed
Brightness, it is possible to achieve the colour temperature regulation of LED module.
Due in scheme of the present utility model, it is only necessary to adjust the luminosity of one of which LED chip group, therefore LED
The structure of light adjusting circuit is simple, can reduce the production cost of LED module.Further, since the luminance of second group of LED chip group
Degree regulation is that the supply voltage that LED module is input to by regulation is realized, therefore need not set manual switch, Ke Yi great
The big volume for reducing LED module, also reduce the area of pcb board.
One preferable scheme is that on-off circuit includes bleeder circuit and switch module, and the control terminal of switch module connects
It is connected on the dividing point of bleeder circuit, the output end of switch module is connected to second voltage output end.
It can be seen that by the break-make of bleeder circuit controlling switch module, when input voltage is relatively low, the voltage of dividing point compared with
Low, switch module disconnects, and second voltage output end do not have voltage output, and the second LED chip group does not light, only input voltage compared with
It can just be lighted when high, so as to easily control the luminous of the second LED chip group and extinguish.
Further scheme is that switch module includes first switch device and second switch device, first switch device
Control terminal be connected on the dividing point of bleeder circuit, an output end of first switch device is connected to second switch device
Control terminal, an output end of second switch device are connected to second voltage output end.
It can be seen that the voltage cut-out module of input can easily be passed through by forming Sofe Switch group using two switching devices
Break-make, and use triode, FET etc. to be used as switching device, the production cost of LED light adjusting circuits can be reduced.
Preferably, mu balanced circuit includes low voltage difference voltage stabilizing chip, and the input pin of low voltage difference voltage stabilizing chip is connected to voltage
Input, the output end of low voltage difference voltage stabilizing chip are connected to first voltage output end.
So, when the power of input is relatively low and the voltage of input is higher than the startup voltage of low voltage difference voltage stabilizing chip, low pressure
Poor voltage stabilizing chip is powered to the first LED chip group, and the first LED chip group lights, but brightness is relatively low, with the increasing of input power
Greatly, the voltage increase of low voltage difference voltage stabilizing chip output, the brightness increase of the first LED chip group, but colour temperature keeps constant.So,
The regulation to LED module luminosity in the case where input power is relatively low can be realized.
To realize the second above-mentioned purpose, LED module provided by the utility model includes the first LED chip group, the 2nd LED
Chipset and LED light adjusting circuits, LED light adjusting circuits include voltage input end and first voltage output end, second voltage are defeated
Go out end, wherein, mu balanced circuit is connected between voltage input end and first voltage output end, voltage input end is defeated with second voltage
Go out between end and be connected with on-off circuit, the height of the magnitude of voltage that on-off circuit is inputted according to voltage input end and break-make.
As can be seen here, the voltage of the voltage input end output of LED light adjusting circuits is defeated to first voltage after mu balanced circuit
Go out end output, it can be ensured that the first LED chip group obtains stable voltage, and luminosity keeps constant.So, can adjust
It is input to the voltage of voltage input end, you can to change the voltage of second voltage output end, so as to change the second LED chip group
Luminosity.So, by controlling the first LED chip group luminosity invariable, the luminance of the second LED chip group is changed
Degree, it is possible to achieve the colour temperature regulation of LED module.And the structure of LED light adjusting circuits is simple, the area of pcb board is smaller, Ke Yi great
The big volume for reducing LED module, also reduce the production cost of LED module.
Further scheme is that the first LED chip group is warm light LED chip group, and the second LED chip group is cold light LED core
Piece group；In the voltage increase that voltage input end is inputted, the colour temperature that LED module emits beam gradually turns cold.
It can be seen that the voltage inputted by changing voltage input end, it is possible to achieve the colour temperature of LED module is by the warm change to turn cold
Change, the regulation of convenient use person.
Brief description of the drawings
Fig. 1 is the structured flowchart of the utility model LED module embodiment.
Fig. 2 is the electrical schematic diagram of the utility model LED light adjusting circuit embodiments.
Fig. 3 is the flow chart for the light-dimming method that example realization is applied using the utility model LED module.
Fig. 4 is colour temperature variation diagram instantaneous when the input power of the utility model LED module embodiment changes.
Colour temperature variation diagram when Fig. 5 is the input power stable state change of the utility model LED module embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment
LED module of the present utility model can be used for illuminator, such as with illuminating light fixture, can also apply
On the light fixture of specific use, such as plant generation, decoration, attract on animal light fixture.Preferably, using the illumination system of LED module
System has housing, and the LED module is set in housing.Also, LED module of the present utility model is the LED module of adjustable color,
The light that i.e. LED module is sent has the colour temperature of two extreme positions, and can gradually become from the colour temperature of the first extreme position
Change the colour temperature to the second extreme position.
Referring to Fig. 1, the LED module of the present embodiment include power supply 10, the LED chip group 24 of LED light adjusting circuits 20 and first,
Second LED chip group 28, wherein, power supply 10 can be the power supply for including battery, and be provided with light modulator, be exported for adjusting
It is adjustable to the power of LED light adjusting circuits 20, or the power output of battery.Certainly, power supply 10 can also be receive civil power and
220V civil power is converted into the power supply of low-voltage DC, and light modulator is provided with power supply 10.For example, power supply 10 can be can
Rechargeable battery, when rechargeable battery not enough power supply, rechargeable battery can be charged by charger.Practical application
When, power supply 10 can be external light source, i.e. light source is arranged on outside LED module.
LED light adjusting circuits 20 include voltage input end 21, mu balanced circuit 22, first voltage output end 23, on-off circuit 26
And second voltage output end 27, wherein, first voltage output end 23 is powered to the first LED chip group 24, second voltage output
End 27 powers to the second LED chip group 28.In the present embodiment, the first LED chip group 24 and the second LED chip group 28 are to send light
Two kinds of different LED chip groups of line, for example, the first LED chip group 24 is to send the LED chip group of warm white, and the second LED core
Piece group 28 is to send the LED chip group of cool white light.It is of course also possible to it is that the first LED chip group 24 is to send the LED core of cool white light
Piece group, and the second LED chip group 28 is to send the LED chip group of warm white.In the present embodiment, the LED chip group of warm white can
To be LED chip group of the colour temperature less than 3500 Kelvins that emit beam, the LED chip group of cool white light can be the colour temperature that emits beam
Higher than the LED chip group of 5000 Kelvins, certainly, the colour temperature that two groups of LED chip groups emit beam during practical application can basis
Actual conditions are adjusted, as long as the colour temperature for the light that the first LED chip group is sent is less than the color for the light that the second LED chip group is sent
Temperature.
Referring to Fig. 2, LED light adjusting circuits 20 have two input terminals 31,32, and wherein input terminal 31 is to receive forward direction directly
The terminal of voltage is flowed, input terminal 32 is receives the terminal of negative DC voltage, therefore input terminal 31,32 constitutes this implementation
The voltage input end 21 of example.Also, LED light adjusting circuits 20 are additionally provided with four lead-out terminals 33,34,35,36, wherein lead-out terminal
33rd, the first voltage output end 23 of 34 composition the present embodiment, lead-out terminal 33 provide positive DC electricity to the first LED chip group,
Lead-out terminal 34 provides negative DC electricity to the first LED chip group.The second voltage that lead-out terminal 35,36 forms the present embodiment is defeated
Go out end 27, lead-out terminal 35 provides positive DC electricity to the second LED chip group, and lead-out terminal 36 provides to the second LED chip group
Negative DC electricity.
Mu balanced circuit 22 is connected between voltage input end 21 and first voltage input 23, as it is clear from fig. 2 that voltage stabilizing is electric
Road 22 includes voltage stabilizing chip U1, and voltage stabilizing chip U1 input pin is connected to input terminal 31, and voltage stabilizing chip U1 output is drawn
Pin is connected to lead-out terminal 33.So, the DC voltage that voltage input end 21 provides is after voltage stabilizing chip U1 voltage stabilizing processing
Output is to first voltage output end 23, so that the voltages keep constant that the first LED chip group 24 receives.
In the present embodiment, voltage stabilizing chip U1 is low voltage difference voltage stabilizing chip, when power supply 10 input power it is relatively low, but as long as electric
When pressing startup threshold value of the voltage that input 21 inputs higher than voltage stabilizing chip U1 but the voltage stabilizing value of the setting less than voltage stabilizing chip U1,
The voltage of voltage stabilizing chip U1 outputs will follow input voltage linear change, when the voltage that voltage input end 21 inputs is higher than voltage stabilizing core
During the voltage stabilizing value of piece U1 setting, the voltage of voltage stabilizing chip U1 outputs will remain in the voltage stabilizing value, will not follow input
Voltage increases and increased.
Therefore, the voltage inputted in voltage input end 21 is higher than voltage stabilizing chip U1 startup threshold value but is less than voltage stabilizing chip U1
Setting voltage stabilizing value when, the rise for the voltage follow input voltage that first group of LED chip group 24 receives and raise, first group
The brightness of LED chip group 24 is continuously increased, but colour temperature keeps constant.When the voltage that voltage input end 21 inputs is higher than voltage stabilizing chip
During the voltage stabilizing value of U1 setting, the brightness of first group of LED chip group 24 will keep constant.
In the present embodiment, in order to ensure voltage signal that the first LED chip group 24 receives is more steady, in input terminal
Filter capacitor group is provided between 33 and lead-out terminal 34, filter capacitor group includes the electric capacity C2 and C3 being connected in parallel, passes through filter
Ripple capacitance group is filtered to the voltage stabilizing chip U1 voltages exported.
It is provided with on-off circuit 26 between voltage input end 21 and second voltage output end 27, in the present embodiment, switch
The break-make of circuit 26 is determined by the input voltage of voltage input end 21.On-off circuit 26 includes bleeder circuit and switching molding
Block, as it is clear from fig. 2 that bleeder circuit includes resistance R6, R7, the R8 being connected in series, the connection between wherein resistance R7 and resistance R8
Point forms dividing point.Switch module includes two switching devices, and in the present embodiment, switch is realized using triode as Sofe Switch
Function, wherein triode Q1 are connected on dividing point as first switch device, its base stage B11, i.e. base stage B11 is connected to resistance
Between R7 and resistance R8, triode Q1 emitter E 11 is connected to lead-out terminal 36 by resistance R11.
Triode Q2 is connected to triode Q1 colelctor electrode C11 by resistance as second switch device, its base stage B12,
Triode Q2 emitter E 12 is connected to lead-out terminal 35, and colelctor electrode C12 is connected to input terminal 31 by resistance R10.Can
See, in the present embodiment, as the triode Q1 of first switch device control terminal, i.e. base stage B11 is actually connected to partial pressure electricity
On the dividing point on road, and three as second switch device are connected to as a triode Q1 output end, i.e. colelctor electrode C11
Pole pipe Q2 control terminal, i.e. base stage B12, and a triode Q2 output end, i.e. emitter E 12 are connected to second voltage output
End 27.In the present embodiment, triode Q1 is a NPN type triode, and triode Q2 is a PNP type triode.
In addition, in bleeder circuit, resistance R6 and resistance R7 resistance sum should be far longer than resistance R8 resistance, example
Such as, resistance R6 and resistance R7 resistance sum are more than 5 times of resistance R8 resistances.So, inputted when voltage input end 21
When voltage is relatively low, the voltage of such as input only has 5 volts, then according to voltage divider principle, the voltage on triode Q1 base stage B11 only has 1
Volt, required voltage is turned on less than triode Q1, now triode Q1 is in cut-off state, and triode Q2 is also at cut-off shape
State.It can be seen that only when the voltage that voltage input end 21 inputs is higher than the on state threshold voltage of on-off circuit 26, on-off circuit 26
It can just turn on.In the present embodiment, the on state threshold voltage of on-off circuit 26 refers to that the voltage that voltage input end 21 inputs can make
The magnitude of voltage of voltage input end 21 in the case of conducting voltage of the triode Q1 base stage B11 voltage higher than triode Q1.Example
Such as, triode Q1 conducting voltage is 5 volts, then needs 25 volts of ability according to voltage divider principle, the input voltage of voltage input end 21
Enough so that forming 5 volts of voltage on triode Q1 base stage B11, therefore on state threshold voltage is exactly 25 volts.
It can be seen that in this implementation, the control terminal of switch module is exactly triode Q1 base stage B11, and it is connected to bleeder circuit
Dividing point on, therefore by controlling the voltage of the dividing point of bleeder circuit to realize the conducting and cut-off of switch module,
Exactly control the luminous of the second LED chip group 28 and extinguish.
The color temperature adjusting method of LED module is introduced with reference to Fig. 3.First, voltage is provided to voltage input end 21, that is, held
Row step S1.When the voltage that voltage input end 21 receives is higher than voltage stabilizing chip U1 startup voltage, if now voltage is less than
The voltage stabilizing value of voltage stabilizing chip setting, the voltage of voltage stabilizing chip output will follow input voltage to raise and raise, now the first LED core
Piece group 24 is luminous, is raised with the voltage of output, the power increase of such as input, the increase of the luminosity of the first LED chip group 24, but
Colour temperature keeps invariable.After voltage stabilizing value of the voltage higher than voltage stabilizing chip setting that voltage input end 21 inputs, voltage stabilizing core
Piece U1 exports steady dc voltage to first voltage output end 23, that is, performs step S2.Generally, due to voltage stabilizing chip U1's
Startup voltage is very low, and often only needing 3 volts to 5 volts can start, and so, the first LED chip group 24 is luminous, and luminance
Degree can change but colour temperature keeps constant.But because the voltage now formed on the dividing point of bleeder circuit is relatively low, such as only
1 volt, triode Q1 is in cut-off state, and second voltage output end 24 does not have voltage output, and the second LED chip group does not light.
The voltage inputted with voltage input end 21 raises, when the voltage of input is higher than on state threshold voltage, triode
It is high level signal at Q1 base stage B11, now triode Q1 is turned on, and now forms low electricity at triode Q1 colelctor electrode C11
Ordinary mail number, triode Q2 conductings, so as to realize that on-off circuit turns on, that is, perform step S3.Now, the electric current of input terminal 31 can
To flow to lead-out terminal 35 by resistance R10, triode Q2, and be powered to the second LED chip group 28, that is, perform step S4.
By the voltage that is carried in the second LED chip group 28 is no better than the voltage that voltage input end 21 inputted, the
The voltage at the both ends of two LED chip group 28 lifts the lifting for following voltage that voltage input end 21 inputs, that is, performs step S5.
When the voltage rise that voltage input end 21 inputs, i.e., when the voltage between input terminal 31,32 raises, lead-out terminal 35,36
Between voltage also follow rise, the luminosity of the second LED chip group 28 also follows increase；Inputted when voltage input end 21
When voltage reduces, i.e., when the voltage between input terminal 31,32 reduces, the voltage between lead-out terminal 35,36 also follows reduction,
The luminosity of second LED chip group 28, which also follows, to diminish.
Finally, step S6 is performed, because the luminosity and colour temperature of the first LED chip group 24 keep invariable, and
The luminosity of second LED chip group 28 follows the voltage up-down of voltage input end 21 and changed, i.e., is sent out when voltage raises
Brightness increase, luminosity reduces when voltage reduces.So, when two groups of LED chip groups are arranged in same housing, LED
The brightness for following the second LED chip group is changed and changed by the colour temperature of module.
In the present embodiment, the first LED chip group is to send the LED chip group of warm white, the second LED chip group be send it is cold
The LED chip group of white light.So, in the brightness increase of the second LED chip group 28, the luminous colour temperature of LED module turns cold, and the
When the brightness of two LED chip groups 28 reduces, the luminous colour temperature of LED module warms.It can be seen that the voltage inputted when voltage input end
During rise, the colour temperature of LED module turns cold, and when the voltage that voltage input end is inputted reduces, the colour temperature of LED module warms.This
Outside, the colour temperature that LED module emits beam can follow the change of input voltage and gradually change, and user is input to by regulation
The voltage of voltage input end 21 is to control the colour temperature of LED module, and after LED module changes to suitable colour temperature, it is defeated to stop regulation
The voltage entered, so as to obtain suitable colour temperature.
As shown in figs. 4 and 5, the power increase applied when outside to LED module, the color for the light that LED module is sent
Temperature can follow the increase of power and turn cold.For example, input power is less than 2 watt-hours, the voltage that voltage stabilizing chip U1 is received is higher than
Start threshold value but less than the voltage stabilizing value of setting, although therefore the first LED chip 24 luminosity increase, colour temperature will keep permanent
It is fixed, when the power of input increases to 4 watt-hours from 2 watts, the voltage that voltage stabilizing chip U1 is received higher than setting voltage stabilizing value, first
The luminosity of LED chip group 24 no longer changes, and colour temperature keeps constant, and the second LED chip group 28 is luminous so that LED moulds
The colour temperature increase of group.
Certainly, during the power increase of input, voltage increases the increase for following power, such as keeps electric current constant, passes through
Increase voltage to change the power of application.Shown in Fig. 4 is the instantaneous colour temperature change of LED module during power gradually increases
Situation, shown in Fig. 5 is that LED module is sent in the case that the power of loading is maintained at 2 watts, 4 watts, 6 watts, 8 watts and 10 watts
Light colour temperature situation of change.
Certainly, during concrete application, the first LED chip group is to send the LED chip group of cool white light, and the second LED chip group is
The LED chip group of warm white is sent, so, when the voltage rise that voltage input end is inputted, the colour temperature of LED module warms,
When the voltage that voltage input end is inputted reduces, the colour temperature of LED module turns cold.
Certainly, if the voltage that voltage input end 21 inputs is gradually reduced, and less than the conduction threshold of on-off circuit 26
During voltage, on-off circuit 26 will be switched off and stop providing voltage to the second LED chip group 28, and the second LED chip group 28 is extinguished,
Namely only have the first LED chip group 24 to light, now the colour temperature for the light that LED module is sent is most warm colour temperature.
During actual use, not only it can change input power by opening the light control light modulator, can also be in LED module
Radio communication circuit is set, such as bluetooth module, light modulator is controlled by the control signal outside radio communication circuit reception
Work, and then the voltage provided to voltage input end 21 is provided, it can also realize the regulation to LED module colour temperature.
Finally it is emphasized that the utility model is not limited to above-mentioned embodiment, such as two groups of LED chips emit beam face
The change of color, change of the concrete structure of mu balanced circuit etc. should also be included in the protection domain of the utility model claims
It is interior.
Claims (7)
1.LED light adjusting circuits, including
Voltage input end and first voltage output end, second voltage output end；
It is characterized in that：
Be connected with mu balanced circuit between the voltage input end and the first voltage output end, the voltage input end with it is described
On-off circuit, the magnitude of voltage that the on-off circuit is inputted according to the voltage input end are connected between second voltage output end
Height and break-make.
2. LED light adjusting circuits according to claim 1, it is characterised in that：
The on-off circuit includes bleeder circuit and switch module, and the control terminal of the switch module is connected to the partial pressure electricity
On the dividing point on road, the output end of the switch module is connected to the second voltage output end.
3. LED light adjusting circuits according to claim 1 or 2, it is characterised in that：
The mu balanced circuit includes low voltage difference voltage stabilizing chip, and the input pin of the low voltage difference voltage stabilizing chip is connected to the voltage
Input, the output end of the low voltage difference voltage stabilizing chip are connected to the first voltage output end.
4.LED modules, including the first LED chip group, the second LED chip group and LED light adjusting circuits, the LED light adjusting circuits
Including voltage input end and first voltage output end, second voltage output end, the first voltage output end is to described first
LED chip group is powered, and the second voltage output end is powered to the second LED chip group；
It is characterized in that：
Be connected with mu balanced circuit between the voltage input end and the first voltage output end, the voltage input end with it is described
On-off circuit, the magnitude of voltage that the on-off circuit is inputted according to the voltage input end are connected between second voltage output end
Height and break-make.
5. LED module according to claim 4, it is characterised in that：
The on-off circuit includes bleeder circuit and switch module, and the control terminal of the switch module is connected to the partial pressure electricity
On the dividing point on road, the output end of the switch module is connected to the second voltage output end.
6. LED module according to claim 5, it is characterised in that：
The switch module includes first switch device and second switch device, the control terminal connection of the first switch device
To the dividing point of the bleeder circuit, an output end of the first switch device is connected to the second switch device
Control terminal, an output end of the second switch device are connected to the second voltage output end.
7. according to the LED module described in any one of claim 4 to 6, it is characterised in that：
The first LED chip group is warm light LED chip group, and the second LED chip group is cold light LED chipset；Described
During the voltage increase that voltage input end is inputted, the colour temperature that the LED module emits beam gradually turns cold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702052.2U CN206821054U (en) | 2017-06-15 | 2017-06-15 | LED light adjusting circuits and LED module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702052.2U CN206821054U (en) | 2017-06-15 | 2017-06-15 | LED light adjusting circuits and LED module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206821054U true CN206821054U (en) | 2017-12-29 |
Family
ID=60759799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720702052.2U Expired - Fee Related CN206821054U (en) | 2017-06-15 | 2017-06-15 | LED light adjusting circuits and LED module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206821054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107027225A (en) * | 2017-06-15 | 2017-08-08 | 乐健科技（珠海）有限公司 | LED light adjusting circuits and LED modules, the light-dimming method of LED modules |
| WO2019192100A1 (en) * | 2018-04-02 | 2019-10-10 | 深圳市艾比森光电股份有限公司 | Led drive circuit and led display apparatus |
-
2017
- 2017-06-15 CN CN201720702052.2U patent/CN206821054U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107027225A (en) * | 2017-06-15 | 2017-08-08 | 乐健科技（珠海）有限公司 | LED light adjusting circuits and LED modules, the light-dimming method of LED modules |
| WO2019192100A1 (en) * | 2018-04-02 | 2019-10-10 | 深圳市艾比森光电股份有限公司 | Led drive circuit and led display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205232499U (en) | LED lamp convenient to adjust luminance | |
| CN204231701U (en) | A kind of energy-conservation eyeshield LED stepless dimming color-temperature regulating circuit | |
| CN207926974U (en) | A kind of colour temperature adjusts circui | |
| CN2924284Y (en) | Colour temperature adjustable high-brightness LEd desk lamp | |
| CN108834265A (en) | Dimmable lighting device and light adjusting circuit | |
| CN206821054U (en) | LED light adjusting circuits and LED module | |
| CN205160868U (en) | Led circuit and led lamp | |
| CN108696967A (en) | A kind of light modulation toning driving circuit of LED light | |
| CN103152939A (en) | Four-in-one light-dimming circuit of light-emitting diode (LED) power source | |
| CN107816694A (en) | A kind of meal lamp with contextual model switching | |
| CN209134665U (en) | Dimmable lighting device and light adjusting circuit | |
| CN104427692A (en) | Light-controlled automatic switch circuit and lamp | |
| CN208623945U (en) | A kind of multiple-channel output dimming power source meeting U.S. rule CLASS2 | |
| CN203872404U (en) | Circuit structure of LED driving power supply capable of realizing light adjustment and color adjustment through silicon controlled dimmer | |
| CN207802461U (en) | Intelligent constant-current supply applied to LED product | |
| CN107027225B (en) | The light-dimming method of LED light adjusting circuit and LED module, LED module | |
| CN108093529A (en) | Intelligent constant-current supply and its control method applied to LED product | |
| CN206314034U (en) | Pleasure boat multi color temperature brightness adjustable LED illumination intelligence control system | |
| CN202634787U (en) | LED light fixture with sectional color-temperature adjustment | |
| CN213818247U (en) | LED power supply controller based on APC control | |
| CN213305808U (en) | Split type dial switch color temperature regulator and LED lamp control system | |
| CN209659659U (en) | A kind of brightness-adjusting of LED light source and the device of colour temperature | |
| CN207135337U (en) | A kind of automobile using multifunctional headlamp intelligence control system | |
| CN106851896A (en) | A kind of LED bluetooth light adjusting circuit | |
| RU157505U1 (en) | LED LAMP POWER SUPPLY |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20210615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |