CN209170710U - A kind of Double-way light regulating circuit - Google Patents
A kind of Double-way light regulating circuit Download PDFInfo
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- CN209170710U CN209170710U CN201821651021.XU CN201821651021U CN209170710U CN 209170710 U CN209170710 U CN 209170710U CN 201821651021 U CN201821651021 U CN 201821651021U CN 209170710 U CN209170710 U CN 209170710U
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Abstract
The utility model provides a kind of Double-way light regulating circuit, it include: constant voltage source, the first current detector, the first pwm driver, the first chopper voltage regulator, the second current detector, the second pwm driver, the second chopper voltage regulator, PWM controller, the communication device for being connected to the PWM controller；The constant voltage source is connected in series in the first lamps and lanterns by first chopper voltage regulator；First current detector is used to detect the size of current of first lamps and lanterns；First current detector is connected to the PWM controller；The PWM controller is connected to first pwm driver；First pwm driver is connected to first chopper voltage regulator；Second tunnel is arranged similar to the first via.Light adjusting circuit provided by the utility model, a constant voltage source can be utilized, while carrying out different Dimming operations for two road lighting lanterns, can satisfy the different use demands of user, compared with the scheme for using two constant voltage sources in the prior art, power supply cost is reduced.
Description
Technical field
The utility model relates to electronic circuit technology field, in particular to a kind of Double-way light regulating circuit.
Background technique
Present indoor lamps many on the market, which require, is that both cool colour lamp and warm colour lamp work double color temperature lamps together, and not
Same season needs that the colour temperature of lamp is adjusted, (for example summer cool colour lamp is brighter, and winter warm colour lamp is brighter).And it adjusts
Colour temperature just needs to be adjusted by the output electric current to constant voltage source to realize.But it on the market can be with there are no a kind of light modulator
Two-way light modulation (i.e. all the way to cool colour lamp light-regulating, all the way to warm colour lamp light-regulating) is carried out respectively to constant voltage source output electric current,
To meet the colour temperature of client's needs.
Therefore, how a kind of Double-way light regulating circuit is provided, can be adjusted simultaneously for the light of two road lighting lanterns, satisfaction makes
The different demands of user are those skilled in the art's technical problems urgently to be resolved.
Utility model content
In view of this, can simultaneously be two road lighting lanterns the purpose of this utility model is to provide a kind of Double-way light regulating circuit
Light be adjusted, meet the different demands of user.Its concrete scheme is as follows:
A kind of Double-way light regulating circuit, comprising: constant voltage source, the first current detector, the first pwm driver, the first copped wave
Pressure regulator, the second pwm driver, the second chopper voltage regulator, PWM controller, is connected to the PWM control at the second current detector
The communication device of device processed；
The constant voltage source is connected in series in the first lamps and lanterns by first chopper voltage regulator；First current detecting
Device is used to detect the size of current of first lamps and lanterns；First current detector is connected to the PWM controller；It is described
PWM controller is connected to first pwm driver；First pwm driver is connected to first chopper voltage regulator；
The constant voltage source is connected in series in the second lamps and lanterns by second chopper voltage regulator；Second current detecting
Device is used to detect the size of current of second lamps and lanterns；Second current detector is connected to the PWM controller；It is described
PWM controller is connected to second pwm driver；Second pwm driver is connected to second chopper voltage regulator.
Preferably, first lamps and lanterns are the first color lamps and lanterns；Second lamps and lanterns are the second color lamps and lanterns.
Preferably, the first color lamps and lanterns are yellow light lamps and lanterns；The second color lamps and lanterns are blue light lamps and lanterns.
Preferably, the communication device are as follows: RS485 communication module, Zigbee communication module or NB-lot communication module.
Preferably,
First current detector is the first sampling resistor for being series at the power supply circuit of first lamps and lanterns, described
One sampling resistor both ends are connected to the PWM controller；
Second current detector is the second sampling resistor for being series at the power supply circuit of second lamps and lanterns, described
Two sampling resistor both ends are connected to the PWM controller.
Preferably,
First sampling resistor both ends are connected to the PWM controller by the first RC filter module；
Second sampling resistor both ends are connected to the PWM controller by the 2nd RC filter module.
Preferably,
First chopper voltage regulator is first switch triode voltage regulation circuit of chopping；
Second chopper voltage regulator is second switch triode voltage regulation circuit of chopping.
Preferably,
First chopper voltage regulator is the first field-effect tube voltage regulation circuit of chopping；
Second chopper voltage regulator is the second field-effect tube voltage regulation circuit of chopping.
Preferably, first lamps and lanterns are warm colour temperature lamps and lanterns；Second lamps and lanterns are cool colour temperature lamps and lanterns.
Preferably, the warm colour temperature lamps and lanterns are LED warm colour temperature lamps and lanterns；The cool colour temperature lamps and lanterns are LED cool colour temperature lamps and lanterns.
The utility model provides a kind of Double-way light regulating circuit, comprising: constant voltage source, the first current detector, the first PWM drive
Dynamic device, the first chopper voltage regulator, the second current detector, the second pwm driver, the second chopper voltage regulator, PWM controller, company
It is connected to the communication device of the PWM controller；The constant voltage source is connected in series in first by first chopper voltage regulator
Lamps and lanterns；First current detector is used to detect the size of current of first lamps and lanterns；The first current detector connection
In the PWM controller；The PWM controller is connected to first pwm driver；First pwm driver is connected to
First chopper voltage regulator；The constant voltage source is connected in series in the second lamps and lanterns by second chopper voltage regulator；It is described
Second current detector is used to detect the size of current of second lamps and lanterns；Second current detector is connected to the PWM
Controller；The PWM controller is connected to second pwm driver；Second pwm driver is connected to described second and cuts
Wave pressure regulator.Light adjusting circuit provided by the utility model can utilize a constant voltage source, while carry out difference for two road lighting lanterns
Dimming operation, can satisfy the different use demands of user, in the prior art use two constant voltage sources scheme phase
Than reducing power supply cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of composition schematic diagram of Double-way light regulating circuit provided by a kind of specific embodiment of the utility model；
Fig. 2 is a kind of composition signal of Double-way light regulating circuit provided by another specific embodiment of the utility model
Figure.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to FIG. 1, Fig. 1 is a kind of group of Double-way light regulating circuit provided by a kind of specific embodiment of the utility model
At schematic diagram.
In a kind of specific embodiment of the utility model, the utility model embodiment provides a kind of Double-way light regulating electricity
Road, comprising: constant voltage source 100, the first current detector 101, the first PWM (pulse width modulation, Pulse Width
Modulation) driver 102, the first chopper voltage regulator 103, the second current detector 201, the second pwm driver 202,
Two chopper voltage regulators 203, PWM controller 300, the communication device 301 for being connected to the PWM controller 300；
The constant voltage source 100 is connected in series in the first lamps and lanterns 104 by first chopper voltage regulator 103；Described
One current detector 101 is used to detect the size of current of first lamps and lanterns 104；First current detector 101 is connected to
The PWM controller 300；The PWM controller 300 is connected to first pwm driver 102；First pwm driver
102 are connected to first chopper voltage regulator 103；
The constant voltage source 100 is connected in series in the second lamps and lanterns 204 by second chopper voltage regulator 203；Described
Two current detectors 201 are used to detect the size of current of second lamps and lanterns 204；Second current detector 201 is connected to
The PWM controller 300；The PWM controller 300 is connected to second pwm driver 202；Second pwm driver
202 are connected to second chopper voltage regulator 203.
In the present embodiment, Double-way light regulating circuit passes through two chopper voltage regulators (the first chopper voltage regulators 103, the second copped wave
Pressure regulator 203) it is connected respectively to constant voltage source 100, different voltage values is adjusted out, thus to the first lamps and lanterns 104 and the second lamp
Tool 204 carries out different light and adjusts.Specifically, PWM controller 300 issue PWM waveform, by the first pwm driver 102 into
Row amplification adjusts the voltage of the first lamps and lanterns 104, thus to current value to form the waveform of the first chopper voltage regulator 103 of driving
It is adjusted.And PWM receives the actual current value that the first current detector 101 detects, using the actual current value to PWM
Waveform is adjusted, that is, adjusts the duty ratio of PWM waveform, so that actual current value reaches setting value, thus control first
The luminous intensity of lamps and lanterns 104.
Analogy, PWM controller 300 issues PWM waveform, amplifies by the second pwm driver 202, to be formed
The waveform of the second chopper voltage regulator 203 is driven, the voltage of the second lamps and lanterns 204 is adjusted, so that current value be adjusted.And
PWM receives the actual current value that the second current detector 201 detects, is adjusted using the actual current value to PWM waveform,
The duty ratio of PWM waveform is namely adjusted, so that actual current value reaches setting value, so that the second lamps and lanterns 204 of control shine
Intensity.
Since the luminous intensity of the first lamps and lanterns 104 and the second lamps and lanterns 204 can be different, so if first lamps and lanterns
104 be the first color lamps and lanterns；Second lamps and lanterns 204 are the second color lamps and lanterns, then lamps and lanterns issue two different colors of light,
By colour mixture, the light of more colors can be formed, use is more flexible, specifically, can be by the first color lamps and lanterns
Yellow light lamps and lanterns；The second color lamps and lanterns are that blue light lamps and lanterns can form the face such as green, cyan when yellow light and blue light
The light of color.
Further, communication device 301 is illustrated, the communication device 301 can be arranged are as follows: RS485 communication
Module, Zigbee communication module or NB-IoT communication module.By communication device 301, PWM controller 300 receives control signal,
According to the generation of control signal control PWM waveform.It is of course also possible to use connecting preset mode in PWM controller 300 in advance
The mode of button specifically exactly sets the first lamps and lanterns 104 and the second lamps and lanterns 204 different to start corresponding mode
Current value.RS485 is the standard of the electrical characteristic of the driver and receiver in a definition balance digital multi-drop system, the mark
Standard is defined by Telecommunications Industries Association and electronic industries alliance.Using the standard digital communications network can under the conditions of remote with
And effectively transmitted signal under the big environment of electronic noise.ZigBee is the low-power consumption local area network association based on IEEE802.15.4 standard
View, provides according to international standard, and ZigBee technology is the wireless communication technique of a kind of short distance, low-power consumption.NB-IoT is IoT neck
The emerging technology in one, domain supports low power consuming devices to connect in the cellular data of wide area network, also referred to as low-power consumption wide area network
(LPWAN).NB-IoT supports stand-by time length, the efficient connection to network connectivity requirements higher device.
It specifically, can be by the first current detector when carrying out current detecting to the first lamps and lanterns 104 or the second lamps and lanterns 204
101 be the first sampling resistor for being series at the power supply circuit of first lamps and lanterns 104, and first sampling resistor both ends are connected to
The PWM controller 300；Second current detector 201 is the second sampling for being series at the power supply circuit of second lamps and lanterns 204
Resistance, second sampling resistor both ends are connected to the PWM controller 300.Further, in order to enable sampling resistor both ends
Voltage it is smooth, the PWM controller can be connected to by the first RC filter module at first sampling resistor both ends
300；The PWM controller 300 is connected to by the 2nd RC filter module at second sampling resistor both ends.
To with chopper voltage regulator, can be electric as the chopper control of switching device using switching transistor or field respective tube
Road, specifically, first chopper voltage regulator 103 are first switch triode voltage regulation circuit of chopping；Second chopper control
Device 203 is second switch triode voltage regulation circuit of chopping.First chopper voltage regulator 103 is the first field-effect tube chopper control
Circuit；Second chopper voltage regulator 203 is the second field-effect tube voltage regulation circuit of chopping.
It can be warm by first lamps and lanterns 104 in present embodiment on the basis of above-mentioned specific embodiment
Colour temperature lamps and lanterns；Second lamps and lanterns 204 are cool colour temperature lamps and lanterns.Preferably, the warm colour temperature lamps and lanterns are LED warm colour temperature lamps and lanterns；Institute
Stating cool colour temperature lamps and lanterns is LED cool colour temperature lamps and lanterns.The lamps and lanterns of two kinds of colour temperatures issue the light of varying strength, so as to generate more extensively
Colour temperature light.
The utility model provides a kind of Double-way light regulating circuit can be using a constant voltage source 100, while being two road lighting lanterns
Carry out different Dimming operations, can satisfy the different use demands of user, in the prior art use two constant voltage sources
100 scheme is compared, and power supply cost is reduced.
Referring to FIG. 2, Fig. 2 is a kind of Double-way light regulating circuit provided by another specific embodiment of the utility model
Composition schematic diagram.
Double-way light regulating circuit includes: cool colour lamp current detection module, copped wave module 1 and copped wave module 2, the inspection of warm colour lamp current
It surveys module, drive module 1 and drive module 2 and PWM drive signal transmitter intelligent control module (is equivalent to above-described embodiment
In PWM controller, hereinafter referred: intelligent control module).
Cool colour lamp current detection module: being to carry out sample detecting to the electric current of cool colour lamp all the way.
Warm colour lamp current detection module: being to carry out sample detecting to the electric current of warm colour lamp all the way.
Drive module 1 and drive module 2: it is that the pwm signal issued to intelligent control module amplifies, increases driving energy
Power.
Copped wave module 1 and copped wave module 2: be according to drive module to driving signal, to flowing into cool colour lamp and warm colour lamp
Electric current carry out copped wave, so that its average current is become smaller.
Intelligent control module: it can be communicated by the communication modes such as RS485, Zigbee, NB-lot and outside.Intelligence
Regulation module can provide corresponding pwm signal according to the dimming commands given of outside, at the same to the current signal detected and
The dimming commands that outside is given, which compare, relatively to be calculated, to adjust the pwm signal provided.
Concrete principle: double color temperature lamps are formed by cool colour lamp and warm colour lamp parallel combination.Constant voltage source is in the double color temperature lamps of band
When tool, if the colour temperature of lamps and lanterns to be adjusted, it is necessary to which the electric current for flowing into cold-warm color lamp is adjusted respectively.Work as outside
After issuing a dimming commands by communication modes such as RS485, Zigbee, NB-lot (such as to the light modulation of warm colour lamp to colour temperature
50%), intelligent control module is after receiving dimming commands, and exporting a corresponding duty ratio, (colour temperature 50% is corresponding to be accounted for
Empty ratio) pwm signal, drive module 1 amplifies this pwm signal after receiving this pwm signal, increases driving
Ability, drive module drive copped wave module 1 again, carry out copped wave to the electric current for flowing into warm colour lamp, so that its average current is become smaller, flow
Average current into warm colour lamp becomes smaller, so that warm colour lamp color temperature is conditioned, achievees the effect that light modulation.Copped wave module can be switch
Pipe, MOS (field-effect) pipe etc..Current detection module 1 is by sampling resistor etc. to the electric current for flowing into warm colour lamp while copped wave
It carries out sample detecting and obtains a level, it is then by a RC filtering that this level conversion is electric at the average value of an electric current
It is flat.Intelligent control module provides dimming commands with outside and is compared after receiving the average value level of warm colour lamp current, then comes
The duty ratio for issuing pwm signal is adjusted, so as to adjust the colour temperature wanted to us of electric current of warm colour lamp.Warm colour lamp current is examined in this way
Survey module, intelligent control module, drive module, copped wave module are formed a closed loop and adjust.
Cool colour lamp all the way also similarly, when outside issues a light modulation by communication modes such as RS485, Zigbee, NB-lot
After instruction, intelligent control module provides pwm signal after receiving dimming commands, drive module 2 again to this pwm signal into
Row amplification is used to drive copped wave module 2, and current detection module 2 carries out detection and the external tune provided to the electric current for flowing into cool colour lamp
Light instruction compares, to adjust PWM, to form closed loop adjusting.Whole device, can be to cool colour lamp and warm colour lamp two-way one
Light modulation is played, is reduced costs while meeting client's requirement of light regulation.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of Double-way light regulating circuit provided by the utility model is described in detail above, tool used herein
Body example is expounded the principles of the present invention and embodiment, and the above embodiments are only used to help understand
The method and its core concept of the utility model；At the same time, for those skilled in the art, the think of according to the utility model
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
The limitation of the utility model.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of Double-way light regulating circuit characterized by comprising constant voltage source, the first current detector, the first pwm driver,
First chopper voltage regulator, the second pwm driver, the second chopper voltage regulator, PWM controller, is connected to institute at the second current detector
State the communication device of PWM controller；
The constant voltage source is connected in series in the first lamps and lanterns by first chopper voltage regulator；First current detector is used
In the size of current for detecting first lamps and lanterns；First current detector is connected to the PWM controller；The PWM control
Device processed is connected to first pwm driver；First pwm driver is connected to first chopper voltage regulator；
The constant voltage source is connected in series in the second lamps and lanterns by second chopper voltage regulator；Second current detector is used
In the size of current for detecting second lamps and lanterns；Second current detector is connected to the PWM controller；The PWM control
Device processed is connected to second pwm driver；Second pwm driver is connected to second chopper voltage regulator.
2. Double-way light regulating circuit according to claim 1, which is characterized in that
First lamps and lanterns are the first color lamps and lanterns；Second lamps and lanterns are the second color lamps and lanterns.
3. Double-way light regulating circuit according to claim 2, which is characterized in that
The first color lamps and lanterns are yellow light lamps and lanterns；The second color lamps and lanterns are blue light lamps and lanterns.
4. Double-way light regulating circuit according to claim 1, which is characterized in that the communication device are as follows: RS485 communicates mould
Block, Zigbee communication module or NB-lot communication module.
5. Double-way light regulating circuit according to claim 1, which is characterized in that
First current detector is the first sampling resistor for being series at the power supply circuit of first lamps and lanterns, and described first adopts
Sample resistance both ends are connected to the PWM controller；
Second current detector is the second sampling resistor for being series at the power supply circuit of second lamps and lanterns, and described second adopts
Sample resistance both ends are connected to the PWM controller.
6. Double-way light regulating circuit according to claim 5, which is characterized in that
First sampling resistor both ends are connected to the PWM controller by the first RC filter module；
Second sampling resistor both ends are connected to the PWM controller by the 2nd RC filter module.
7. Double-way light regulating circuit according to claim 1, which is characterized in that
First chopper voltage regulator is first switch triode voltage regulation circuit of chopping；
Second chopper voltage regulator is second switch triode voltage regulation circuit of chopping.
8. Double-way light regulating circuit according to claim 1, which is characterized in that
First chopper voltage regulator is the first field-effect tube voltage regulation circuit of chopping；
Second chopper voltage regulator is the second field-effect tube voltage regulation circuit of chopping.
9. Double-way light regulating circuit according to any one of claims 1 to 8, which is characterized in that first lamps and lanterns are warm colour
Warm lamps and lanterns；Second lamps and lanterns are cool colour temperature lamps and lanterns.
10. Double-way light regulating circuit according to claim 9, which is characterized in that the warm colour temperature lamps and lanterns are that LED warms up color temperature lamp
Tool；The cool colour temperature lamps and lanterns are LED cool colour temperature lamps and lanterns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651021.XU CN209170710U (en) | 2018-10-11 | 2018-10-11 | A kind of Double-way light regulating circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651021.XU CN209170710U (en) | 2018-10-11 | 2018-10-11 | A kind of Double-way light regulating circuit |
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| CN209170710U true CN209170710U (en) | 2019-07-26 |
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| CN201821651021.XU Active CN209170710U (en) | 2018-10-11 | 2018-10-11 | A kind of Double-way light regulating circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246617A (en) * | 2020-01-22 | 2020-06-05 | 北京梦想加信息技术有限公司 | LED controller and LED control method |
| CN112153778A (en) * | 2020-10-23 | 2020-12-29 | 上海顺舟智能科技股份有限公司 | LED lamp adjusting device for Internet of things control and LED lamp |
| CN113507764A (en) * | 2020-09-22 | 2021-10-15 | 瑞森半导体科技(广东)有限公司 | Technology for realizing remote light modulation and color temperature modulation through non-contact action |
-
2018
- 2018-10-11 CN CN201821651021.XU patent/CN209170710U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246617A (en) * | 2020-01-22 | 2020-06-05 | 北京梦想加信息技术有限公司 | LED controller and LED control method |
| CN111246617B (en) * | 2020-01-22 | 2022-03-01 | 北京梦想加信息技术有限公司 | LED controller and LED control method |
| CN113507764A (en) * | 2020-09-22 | 2021-10-15 | 瑞森半导体科技(广东)有限公司 | Technology for realizing remote light modulation and color temperature modulation through non-contact action |
| CN112153778A (en) * | 2020-10-23 | 2020-12-29 | 上海顺舟智能科技股份有限公司 | LED lamp adjusting device for Internet of things control and LED lamp |
| CN112153778B (en) * | 2020-10-23 | 2023-03-10 | 上海顺舟智能科技股份有限公司 | LED lamp adjusting device for Internet of things control and LED lamp |
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Address after: Room 501, Building 5, No. 425, Miaohouwang Road, Xixing Street, Binjiang District, Hangzhou City, Zhejiang Province, 310000 Patentee after: Zhejiang Paiwei Digital Technology Co.,Ltd. Patentee after: Hangzhou Canal Group Cultural Tourism Co.,Ltd. Patentee after: Wang Gang Address before: 1st Floor, Building 2, No. 69, Dongxin Avenue, Binjiang District, Hangzhou City, Zhejiang Province, 310000 Patentee before: HANGZHOU ZHONGHENG POWER ENERGY CO.,LTD. Patentee before: Hangzhou Canal Group Cultural Tourism Co.,Ltd. Patentee before: Wang Gang |
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