CN108184284A - Switch color-temperature regulating intelligent controller and its control method - Google Patents
Switch color-temperature regulating intelligent controller and its control method Download PDFInfo
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- CN108184284A CN108184284A CN201711345776.7A CN201711345776A CN108184284A CN 108184284 A CN108184284 A CN 108184284A CN 201711345776 A CN201711345776 A CN 201711345776A CN 108184284 A CN108184284 A CN 108184284A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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Abstract
The invention discloses a kind of switch color-temperature regulating intelligent controller and its control method, including exchange input rectifying filter circuit, constant pressure and flow circuit of reversed excitation, n LED load, m constant-current circuit, n m switching circuits, power supply circuit, MCU, power-fail detection circuit and timer；The MCU is electrically connected respectively with each switching circuit, each constant-current circuit, power supply circuit, power-fail detection circuit and timer, constant pressure and flow circuit of reversed excitation is electrically connected respectively with exchange input rectifying filter circuit, power supply circuit, power-fail detection circuit and each LED load, and each LED load is electrically connected respectively with each switching circuit and each constant-current circuit.The present invention has the advantages that：The present invention can realize the brightness of lamps and lanterns and the variation of the various modes of colour temperature；Exchange input has the function of constant pressure output and constant current output simultaneously with circuit of reversed excitation.
Description
Technical field
The present invention relates to lamp power controller technology field, more particularly, to a kind of colour temperature that can realize various modes
With the switch color-temperature regulating intelligent controller and its control method of brightness regulation.
Background technology
In field of LED illumination, light modulation color-temperature regulating is always focus of concern.So-called light modulation adjusts the bright of light source
Degree；So-called color-temperature regulating is generically considered to adjust the color of light source, and colour temperature is color and the black matrix of source emissioning light in a certain temperature
The temperature of the lower radiant light form and aspect of degree while black matrix, in black body radiation, with temperature difference, the color of light is different.Colour temperature
Different from brightness often to give under the different impression of people, such as high color temperature light source irradiation, brightness is not high, has one kind to people
Sombre atmosphere；Under low color temperature light sources irradiation, brightness is excessively high a kind of sultry feeling to people.It can be seen that accurate adjusted
The brightness of light source and colour temperature are conducive to improve the LED illumination competitiveness of product in market.Conventional switch three-stage dimming lamp is at present
Continuous switch realizes lamp brightness variation whithin a period of time, and switch color-temperature regulating is continuously to switch realization lamps and lanterns whithin a period of time
Colour temperature changes, and shaping modes are restricted.
Invention content
The present invention provides a kind of color that can realize various modes to overcome above-mentioned deficiency in the prior art
The switch color-temperature regulating intelligent controller and its control method of mild brightness regulation.
To achieve these goals, present invention employs following technical schemes：
A kind of switch color-temperature regulating intelligent controller, including exchange input rectifying filter circuit, constant pressure and flow circuit of reversed excitation, n
A LED load, m constant-current circuit, n-m switching circuit, power supply circuit, MCU, power-fail detection circuit and timer；The MCU
It is electrically connected respectively with each switching circuit, each constant-current circuit, power supply circuit, power-fail detection circuit and timer, constant pressure and flow
Circuit of reversed excitation is electrically connected respectively with exchange input rectifying filter circuit, power supply circuit, power-fail detection circuit and each LED load,
Each LED load is electrically connected respectively with each switching circuit and each constant-current circuit.
AC power is anti-by the constant pressure and flow with constant pressure and flow output function after exchanging input rectifying filter circuit
Excitation circuit, the signal of power-fail detection circuit detection output are then transferred to MCU, and MCU controls multichannel by the signal detected
The break-make of load, so as to fulfill colour temperature and the variation of brightness.
Preferably, the power-fail detection circuit includes resistance RS51, resistance RS52, resistance RS53, diode DS51, steady
Press diode ZS51 and capacitance CS51；One end of the resistance RS51 is electrically connected with constant pressure and flow circuit of reversed excitation, resistance RS51's
The other end is electrically connected with the anode of diode DS51, the cathode of diode DS51 respectively with the cathode of zener diode ZS51, electricity
Hold one end electrical connection of one end of CS51, one end of resistance RS52 and resistance RS53, the other end and the MCU of resistance RS53 are electrically connected
It connects, the other end of the anode of zener diode ZS51, the other end of capacitance CS51 and resistance RS52 is grounded.
Preferably, the power supply circuit includes resistance RS54, resistance RS55, zener diode ZS52 and capacitance CD51；
One end of the resistance RS54 is electrically connected respectively with constant pressure and flow circuit of reversed excitation and each LED load, the other end of resistance RS54
Be electrically connected with one end of resistance RS55, the other end of resistance RS55 respectively with MCU, the cathode and capacitance of zener diode ZS52
One end electrical connection of CD51, the anode of zener diode ZS52 and the other end of capacitance CD51 are grounded.
Preferably, the constant-current circuit includes constant current chip US5, capacitance CS53, resistance RS511, resistance RS512, electricity
Hinder RS513, resistance RS514 and switching tube QS53；The constant current chip US5 respectively with MCU, capacitance CS53, resistance RS511, electricity
Hinder RS512, resistance RS513, resistance RS514 and switching tube QS53 electrical connection, switching tube QS53 respectively with resistance RS513, resistance
RS514, constant current chip US5 and each LED load electrical connection, capacitance CS53, resistance RS511, resistance RS512, resistance RS513 and
Resistance RS514 is grounded.
Preferably, the constant-current circuit includes DC/DC current constant control chips US6, resistance RS515 and resistance RS516；Institute
It states DC/DC current constant control chips US6 to be electrically connected with MCU, resistance RS515, resistance RS516 and each LED load respectively, resistance
RS516 is electrically connected with each LED load, and resistance RS516 and resistance RS515 are grounded.
Preferably, the constant-current circuit includes switching tube QS54 and constant current resistance RS517；The switching tube QS54 difference
It is electrically connected with one end of MCU and constant current resistance RS517, the other end of constant current resistance RS517 is electrically connected with each LED load, is opened
Close pipe QS54 ground connection.
Preferably, switching circuit includes resistance RS57 and switching tube QS51；One end of the resistance RS57 respectively with MCU
It is electrically connected with switching tube QS51, the other end of resistance RS57 and each LED load are electrically connected with switching tube QS51.
A kind of control method for switching color-temperature regulating intelligent controller, includes the following steps：
(8-1) MCU sets the Serial No. i of LED load, sets the initial value of i as 1, sets the upper of reboot time interval
Limit value；
(8-2) connects AC power, and the output of power-fail detection circuit is high level, and MCU receives the letter of power-fail detection circuit
Number；
(8-3) MCU controls i-th of LED load work according to the information of reception；
(8-4) disconnects AC power, and the signal output of power-fail detection circuit is low level, and MCU control timers start to count
When；
(8-5) when AC power is opened again, the signal output of power-fail detection circuit is high level, and MCU controls timing
Device stops timing, obtains the time interval that AC power is disconnected and opened again；
The upper limit value at reboot time interval of the time interval of acquisition with setting is compared by (8-6) MCU, if the time
More than the upper limit value at the reboot time interval of setting, the value for resetting i is 1, is transferred to step (8-3) at interval；
If time interval is less than the upper limit value at the reboot time interval of setting, work as i<During n, make the value of i increase by 1, be transferred to
Step (8-3)；As i >=n, the value for resetting i is 1, is transferred to step (8-3).
Preferably, step (8-3) is as follows：
(9-1) as i≤(n-m), MCU controls i-th of switching circuit work, makes i-th of LED load work, constant pressure and constant
Stream circuit of reversed excitation is automatically operated under constant current output pattern；
As (n-m) ＜ i≤n, MCU controls i-th of constant-current circuit work, makes i-th of LED load work, constant pressure and flow
Circuit of reversed excitation is automatically operated under constant pressure output mode.
Therefore, the present invention has the advantages that：The present invention can realize the brightness of lamps and lanterns and the various modes of colour temperature
Variation；Exchange input has the function of constant pressure output and constant current output simultaneously with circuit of reversed excitation.
Description of the drawings
Fig. 1 is a kind of circuit diagram of the present invention；
Fig. 2 is second of circuit diagram of the constant-current circuit of the present invention；
Fig. 3 is the third circuit diagram of the constant-current circuit of the present invention.
In figure：Exchange input rectifying filter circuit 1, constant pressure and flow circuit of reversed excitation 2, constant-current circuit 3, switching circuit 4, power supply
Circuit 5, MCU6, power-fail detection circuit 7.
Specific embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
Embodiment as shown in Figure 1 is a kind of switch color-temperature regulating intelligent controller, including exchanging input rectifying filter circuit
1st, 2,3 LED loads of constant pressure and flow circuit of reversed excitation, 1 constant-current circuit 3,2 switching circuits 4, power supply circuit 5, MCU6, power down
Detection circuit 7 and timer；The MCU is electric with each switching circuit, each constant-current circuit, power supply circuit, detection of power loss respectively
Road and timer electrical connection, constant pressure and flow circuit of reversed excitation is respectively with exchanging input rectifying filter circuit, power supply circuit, detection of power loss
Circuit and the electrical connection of each LED load, each LED load are electrically connected respectively with each switching circuit and each constant-current circuit.
Wherein, the power-fail detection circuit includes resistance RS51, resistance RS52, resistance RS53, diode DS51, voltage stabilizing two
Pole pipe ZS51 and capacitance CS51；One end of the resistance RS51 is electrically connected with constant pressure and flow circuit of reversed excitation, and resistance RS51's is another
End is electrically connected with the anode of diode DS51, the cathode of diode DS51 respectively with the cathode of zener diode ZS51, capacitance
One end electrical connection of one end of CS51, one end of resistance RS52 and resistance RS53, the other end of resistance RS53 are electrically connected with MCU,
The other end of the anode of zener diode ZS51, the other end of capacitance CS51 and resistance RS52 is grounded；The power supply circuit packet
Include resistance RS54, resistance RS55, zener diode ZS52 and capacitance CD51；One end of the resistance RS54 respectively with constant pressure and flow
Circuit of reversed excitation and the electrical connection of each LED load, the other end of resistance RS54 are electrically connected with one end of resistance RS55, resistance RS55's
The one end of the other end respectively with MCU, the cathode of zener diode ZS52 and capacitance CD51 is electrically connected, and zener diode ZS52 is just
The other end of pole and capacitance CD51 are grounded.
In addition, the constant-current circuit includes constant current chip US5, capacitance CS53, resistance RS511, resistance RS512, resistance
RS513, resistance RS514 and switching tube QS53；The constant current chip US5 respectively with MCU, capacitance CS53, resistance RS511, resistance
RS512, resistance RS513, resistance RS514 and switching tube QS53 electrical connection, switching tube QS53 respectively with resistance RS513, resistance
RS514, constant current chip US5 and each LED load electrical connection, capacitance CS53, resistance RS511, resistance RS512, resistance RS513 and
Resistance RS514 is grounded；Switching circuit includes resistance RS57 and switching tube QS51；One end of the resistance RS57 respectively with MCU
It is electrically connected with switching tube QS51, the other end of resistance RS57 and each LED load are electrically connected with switching tube QS51.
A kind of control method for switching color-temperature regulating intelligent controller, includes the following steps：
Step 100, relevant parameter is set
MCU sets the Serial No. i of LED load, sets the initial value of i as 1, sets the upper limit value at reboot time interval；
Step 200, the brightness of lamps and lanterns and the switching of the various modes of colour temperature are carried out
Step 201, AC power is connected, the output of power-fail detection circuit is high level, and MCU receives power-fail detection circuit
Signal；
Step 202, as i≤2, MCU controls i-th of switching circuit work, makes i-th of LED load work, constant pressure and flow
Circuit of reversed excitation is automatically operated under constant current output pattern；
As 2 ＜ i≤3, MCU controls i-th of constant-current circuit work, makes i-th of LED load work, constant pressure and flow flyback
Circuit is automatically operated under constant pressure output mode.
Step 203, AC power is disconnected, the signal output of power-fail detection circuit is low level, and MCU control timers start
Timing；
Step 204, when AC power is opened again, the signal output of power-fail detection circuit is high level, and MCU controls are counted
When device stop timing, obtain AC power and disconnect and the time interval opened again；
Step 205, the upper limit value at reboot time interval of the time interval of acquisition with setting is compared by MCU, if
Time interval is more than the upper limit value at the reboot time interval of setting, and the value for resetting i is 1, is transferred to step 202；
If time interval is less than the upper limit value at the reboot time interval of setting, work as i<When 3, make the value of i increase by 1, be transferred to
Step 202；As i >=3, the value for resetting i is 1, is transferred to step 202.
Embodiment 2
Embodiment 2 includes all structures of embodiment 1 and step part, and embodiment 2 is with as in lower structure alternative embodiment 1
Constant-current circuit, as shown in Fig. 2, the constant-current circuit include DC/DC current constant control chips US6, resistance RS515 and resistance
RS516；The DC/DC current constant controls chip US6 is electrically connected respectively with MCU, resistance RS515, resistance RS516 and each LED load
It connects, resistance RS516 is electrically connected with each LED load, and resistance RS516 and resistance RS515 are grounded.
Embodiment 3
Embodiment 3 includes all structures of embodiment 1 and step part, and embodiment 3 is with as in lower structure alternative embodiment 1
Constant-current circuit, as shown in figure 3, the constant-current circuit include switching tube QS54 and constant current resistance RS517；The switching tube QS54
One end with MCU and constant current resistance RS517 is electrically connected respectively, and the other end of constant current resistance RS517 is electrically connected with each LED load
It connects, switching tube QS54 ground connection.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valency form is also fallen within the scope of the appended claims of the present application.
Claims (9)
1. a kind of switch color-temperature regulating intelligent controller, which is characterized in that including exchange input rectifying filter circuit (1), constant pressure and constant
Flow circuit of reversed excitation (2), n LED load, m constant-current circuit (3), n-m switching circuit (4), power supply circuit (5), MCU (6),
Power-fail detection circuit (7) and timer；The MCU respectively with each switching circuit, each constant-current circuit, power supply circuit, power down
Detection circuit and timer electrical connection, constant pressure and flow circuit of reversed excitation is respectively with exchanging input rectifying filter circuit, power supply circuit, falling
Power detection circuit and the electrical connection of each LED load, each LED load are electrically connected respectively with each switching circuit and each constant-current circuit
It connects.
2. switch color-temperature regulating intelligent controller according to claim 1, which is characterized in that the power-fail detection circuit includes
Resistance RS51, resistance RS52, resistance RS53, diode DS51, zener diode ZS51 and capacitance CS51；The resistance RS51's
One end is electrically connected with constant pressure and flow circuit of reversed excitation, and the other end of resistance RS51 is electrically connected with the anode of diode DS51, diode
The cathode of DS51 respectively with the cathode of zener diode ZS51, one end of capacitance CS51, one end of resistance RS52 and resistance RS53
One end electrical connection, the other end of resistance RS53 is electrically connected with MCU, the anode of zener diode ZS51, capacitance CS51 it is another
The other end of end and resistance RS52 are grounded.
3. switch color-temperature regulating intelligent controller according to claim 1, which is characterized in that the power supply circuit includes resistance
RS54, resistance RS55, zener diode ZS52 and capacitance CD51；One end of the resistance RS54 is electric with constant pressure and flow flyback respectively
Road and the electrical connection of each LED load, the other end of resistance RS54 are electrically connected with one end of resistance RS55, the other end of resistance RS55
One end with MCU, the cathode of zener diode ZS52 and capacitance CD51 is electrically connected respectively, the anode and electricity of zener diode ZS52
The other end for holding CD51 is grounded.
4. switch color-temperature regulating intelligent controller according to claim 1, which is characterized in that the constant-current circuit includes constant current
Chip US5, capacitance CS53, resistance RS511, resistance RS512, resistance RS513, resistance RS514 and switching tube QS53；The constant current
Chip US5 respectively with MCU, capacitance CS53, resistance RS511, resistance RS512, resistance RS513, resistance RS514 and switching tube QS53
Electrical connection, switching tube QS53 are electrically connected respectively with resistance RS513, resistance RS514, constant current chip US5 and each LED load, electricity
Hold CS53, resistance RS511, resistance RS512, resistance RS513 and resistance RS514 to be grounded.
5. switch color-temperature regulating intelligent controller according to claim 1, which is characterized in that the constant-current circuit includes DC/
DC current constant control chips US6, resistance RS515 and resistance RS516；The DC/DC current constant controls chip US6 respectively with MCU, resistance
RS515, resistance RS516 and the electrical connection of each LED load, resistance RS516 are electrically connected with each LED load, resistance RS516 and electricity
Resistance RS515 is grounded.
6. switch color-temperature regulating intelligent controller according to claim 1, which is characterized in that the constant-current circuit includes switch
Pipe QS54 and constant current resistance RS517；The one end of the switching tube QS54 respectively with MCU and constant current resistance RS517 is electrically connected, constant current
The other end of resistance RS517 is electrically connected with each LED load, switching tube QS54 ground connection.
7. the switch color-temperature regulating intelligent controller according to claims 1 or 2 or 3 or 4 or 5 or 6, which is characterized in that switch
Circuit includes resistance RS57 and switching tube QS51；One end of the resistance RS57 is electrically connected respectively with MCU and switching tube QS51, electricity
The other end and each LED load for hindering RS57 are electrically connected with switching tube QS51.
8. a kind of control method based on switch color-temperature regulating intelligent controller described in claim 1, which is characterized in that including such as
Lower step：
(8-1) MCU sets the Serial No. i of LED load, sets the initial value of i as 1, sets the upper limit value at reboot time interval；
(8-2) connects AC power, and the output of power-fail detection circuit is high level, and MCU receives the signal of power-fail detection circuit；
(8-3) MCU controls i-th of LED load work according to the information of reception；
(8-4) disconnects AC power, and the signal output of power-fail detection circuit is low level, and MCU control timers start timing；
(8-5) when AC power is opened again, the signal output of power-fail detection circuit is high level, and MCU control timers stop
Only timing obtains the time interval that AC power is disconnected and opened again；
The upper limit value at reboot time interval of the time interval of acquisition with setting is compared by (8-6) MCU, if time interval
More than the upper limit value at the reboot time interval of setting, the value for resetting i is 1, is transferred to step (8-3)；
If time interval is less than the upper limit value at the reboot time interval of setting, work as i<During n, make the value of i increase by 1, be transferred to step
(8-3)；As i >=n, the value for resetting i is 1, is transferred to step (8-3).
9. the control method of switch color-temperature regulating intelligent controller according to claim 6, which is characterized in that step (8-3)
It is as follows：
(9-1) as i≤(n-m), MCU controls i-th of switching circuit work, makes i-th of LED load work, constant pressure and flow is anti-
Excitation circuit is automatically operated under constant current output pattern；
As (n-m) ＜ i≤n, MCU controls i-th of constant-current circuit work, makes i-th of LED load work, constant pressure and flow flyback
Circuit is automatically operated under constant pressure output mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711345776.7A CN108184284A (en) | 2017-12-15 | 2017-12-15 | Switch color-temperature regulating intelligent controller and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711345776.7A CN108184284A (en) | 2017-12-15 | 2017-12-15 | Switch color-temperature regulating intelligent controller and its control method |
Publications (1)
| Publication Number | Publication Date |
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| CN108184284A true CN108184284A (en) | 2018-06-19 |
Family
ID=62546121
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711345776.7A Pending CN108184284A (en) | 2017-12-15 | 2017-12-15 | Switch color-temperature regulating intelligent controller and its control method |
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| CN107231724A (en) * | 2017-06-15 | 2017-10-03 | 深圳市晟碟半导体有限公司 | A kind of single switch realizes the method and system of degree of lightening color-temperature regulating |
| CN107277966A (en) * | 2017-07-13 | 2017-10-20 | 深圳市梓晶微科技有限公司 | One kind is used for high power factor LED drive power switching frequency limiting circuit |
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2017
- 2017-12-15 CN CN201711345776.7A patent/CN108184284A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332140A (en) * | 2014-10-28 | 2015-02-04 | 深圳创维－Rgb电子有限公司 | Backlight driving system for regional dimming and regional dimming method |
| CN205232499U (en) * | 2015-12-09 | 2016-05-11 | 浙江凯耀照明股份有限公司 | LED lamp convenient to adjust luminance |
| CN205546066U (en) * | 2016-02-22 | 2016-08-31 | 上海顿格电子贸易有限公司 | Mixing of colors temperature LED panel light of adjusting luminance of linear constant current |
| CN206322110U (en) * | 2016-12-30 | 2017-07-11 | 嘉兴礼海电气科技有限公司 | Circuit for automatically saving information after electric furniture powered-off fault |
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Application publication date: 20180619 |
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