CN207219086U - A kind of high efficient multi-path LED lamp drive circuit system - Google Patents
A kind of high efficient multi-path LED lamp drive circuit system Download PDFInfo
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- CN207219086U CN207219086U CN201720261488.2U CN201720261488U CN207219086U CN 207219086 U CN207219086 U CN 207219086U CN 201720261488 U CN201720261488 U CN 201720261488U CN 207219086 U CN207219086 U CN 207219086U
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- led lamp
- microprocessor
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- power supply
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Abstract
It the utility model is related to a kind of high efficient multi-path LED lamp drive circuit system, including multi-way LED lamp module；Keysheet module；Microprocessor；Display module；Multichannel CMOS modules；Power supply module；DC DC modular converters；The Keysheet module is connected with microprocessor, and display module and multichannel CMOS modules are parallel with microprocessor；The multichannel CMOS modules are connected with multi-way LED lamp module；The power supply module is connected with above-mentioned Keysheet module, microprocessor, display module and multichannel CMOS modules；The power supply module is also connected by DC DC modular converters with multi-way LED lamp module, the utility model carries out the adjustment of bright intensity by multichannel CMOS modules to multi-way LED lamp module, utilization rate of electrical is high, and per the driving current Independent adjustable of paths of LEDs lamp, simultaneously when current average, which exceedes, to be set, LED power-off, avoids LED from damaging, has very big market potential corresponding to power-off modular control.
Description
Technical field
It the utility model is related to a kind of drive circuit system, more particularly to a kind of high efficient multi-path LED lamp drive circuit system.
Background technology
LED is referred to as the 4th generation light source after incandescent lamp, fluorescent lamp and high-intensity-gas lamp.The light modulation skill of LED
Art is particularly critical, mainly there is simulation light regulating technology, controllable silicon light modulation technology and PWM light regulating technologies at present.Simulate light regulating technology etc.
Effect internal resistance significantly increases with the reduction of electric current, and power consumption is larger, and circuit is complicated, and controllable silicon light modulation technology circuit is simple and practical,
Dimming process is sensitive, and light modulation precision is not high；PWM light regulating technologies by setting the average current of appropriate Duty ratio control LED,
So as to reach the purpose of light modulation, PWM light modulation fast response times, light modulation is accurately.
At present the emphasis that intelligent dimming is current LED light regulating technologies research, current main research are carried out with reference to microprocessor
Dimmed by single-chip microcomputer, but when LED way is more then be not suitable for be controlled with single-chip microcomputer, while at present due to
LED has just turned into normal lighting lamp and used, so the power consumption of light adjusting circuit can not be too big.
Utility model content
The purpose of the utility model is to provide a kind of utilization rate of electrical height for overcome the deficiencies in the prior art, and controllable
The high efficient multi-path LED lamp drive circuit system of multi-way LED lamp electric current.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of high efficient multi-path LED lamp drive circuit system
System, including：Multi-way LED lamp module；Keysheet module, for the average current value for setting each paths of LEDs lamp to be input into microprocessor
In；Microprocessor, for each paths of LEDs lamp for receiving Keysheet module input average current value and after carrying out respective handling, will be each
The average current value of paths of LEDs lamp is sent to display module and the pwm signal after calculation process is sent into multichannel CMOS modules；It is aobvious
Show module, the average current value of each paths of LEDs lamp for receiving microprocessor transmission, and show the flat of current each paths of LEDs lamp
Equal current value and working condition；Multichannel CMOS modules, the pwm signal after calculation process for receiving microprocessor transmission are later
Control the average current value of corresponding multi-way LED lamp module；Power supply module, for above-mentioned Keysheet module, microprocessor, aobvious
Show that module and multichannel CMOS modules provide power supply；DC-DC modular converters, for power supply module to be supplied into multi-way LED lamp module
Power supply be depressured after be connected to again in multi-way LED lamp module；The Keysheet module is connected with microprocessor, on microprocessor
It is parallel with display module and multichannel CMOS modules；The multichannel CMOS modules are connected with multi-way LED lamp module；The power supply module
It is connected with above-mentioned Keysheet module, microprocessor, display module and multichannel CMOS modules；The power supply module also passes through DC-
DC modular converters are connected with multi-way LED lamp module.
Preferably, in addition to data memory module；The data memory module is connected with microprocessor, for receiving micro- place
Stored after the average current value for each paths of LEDs lamp that reason device is sent.
Preferably, in addition to power-off modular；The power-off modular is connected with microprocessor and multi-way LED lamp module respectively,
The power-off of multi-way LED lamp module is controlled after power-off signal for receiving microprocessor transmission.
Preferably, the display module uses LCD12864.
Preferably, the data memory module uses AT24C02.
Preferably, the DC-DC modular converters use LM2596.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
The high efficient multi-path LED lamp drive circuit system of the utility model, its is easy to operate, can pass through multichannel
CMOS modules carry out the adjustment of bright intensity to multi-way LED lamp module, and utilization rate of electrical is high, and the driving electricity per paths of LEDs lamp
Independent adjustable is flowed, while when current average is too high, LED power-off, avoids LED from damaging corresponding to power-off modular control,
With very big market potential.
Brief description of the drawings
Technical solutions of the utility model are described further below in conjunction with the accompanying drawings：
Accompanying drawing 1 is block schematic illustration of the present utility model；
Wherein：1st, Keysheet module；2nd, microprocessor；3rd, display module；4th, multichannel CMOS modules；5th, multi-way LED lamp module；
6th, power supply module；7th, DC-DC modular converters；8th, data storage module；9th, power-off modular.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
A kind of high efficient multi-path LED lamp drive circuit system described in the utility model as shown in Figure 1, including：Multichannel
LED lamp module 5；Keysheet module 1, for the average current value for setting each paths of LEDs lamp to be input in microprocessor 2；Microprocessor
Device 2, for each paths of LEDs lamp for receiving the input of Keysheet module 1 average current value and after carrying out respective handling, by each paths of LEDs lamp
Average current value be sent to display module 3 and the pwm signal after calculation process be sent to multichannel CMOS modules 4；Show mould
Block 3, the average current value of each paths of LEDs lamp for receiving the transmission of microprocessor 2, and show being averaged for current each paths of LEDs lamp
Current value and working condition；Multichannel CMOS modules 4, the pwm signal after calculation process for receiving the transmission of microprocessor 2 are later
Control the average current value of corresponding multi-way LED lamp module 5；Power supply module 6, for above-mentioned Keysheet module 1, microprocessor
2nd, display module 3 and multichannel CMOS modules 4 provide power supply；DC-DC modular converters 7, for power supply module 6 to be supplied into multichannel
The power supply of LED lamp module 5 is connected in multi-way LED lamp module 5 again after being depressured；The Keysheet module 1 and the phase of microprocessor 2
Even, display module 3 and multichannel CMOS modules 4 are parallel with microprocessor 2；The multichannel CMOS modules 4 and multi-way LED lamp module
5 are connected；The power supply module 6 is connected with above-mentioned Keysheet module 1, microprocessor 2, display module 3 and multichannel CMOS modules 4
It is logical；The power supply module 6 is also connected by DC-DC modular converters 7 with multi-way LED lamp module 5；Also include data memory module 8；
The data memory module 8 is connected with microprocessor 2, the average current value of each paths of LEDs lamp for receiving the transmission of microprocessor 2
After stored；Also include power-off modular 9；The power-off modular 9 is connected with microprocessor 2 and multi-way LED lamp module 5 respectively,
Multi-way LED lamp module 5 is controlled to power off after power-off signal for receiving the transmission of microprocessor 2；The display module 3 uses
LCD12864；The data memory module 8 uses AT24C02；The DC-DC modular converters 7 use LM2596.
Operation principle of the present utility model is specifically described below：
During practical operation, the average current value per signal all the way is inputted by Keysheet module, microprocessor is carried out at computing
Reason, it is converted into the pwm signal of multichannel, the average current value of each paths of LEDs lamp corresponding to the dutycycle of signal, the pwm signal per road
The G poles of each road CMOS modules corresponding to being output to, the break-make of multi-way LED lamp module corresponding to control, because pwm signal frequency compared with
Height, so the break-make situation of LED can not be identified in human eye, simply feel the light levels of LED；Display module receives micro- place
Shown after the average current value for each paths of LEDs lamp that reason device is sent, and display working condition simultaneously；Inputted when in Keysheet module
It is used as man-machine dialog interface during data, when the average current of LED exceedes certain numerical value, shows prompting message, at the same it is micro-
Processor sends power-off signal and multi-way LED lamp module is powered off, avoided to power-off modular, power-off modular after being handled
LED is damaged；DC-DC conversion modules can adjust output voltage, so as to ensure that each paths of LEDs light working voltage is specified electricity
Pressure, reduce power consumption；Data memory module is used to deposit the average current value per LED all the way, and data are not lost after ensureing power-off
Lose.
Wherein, keyboard circuit uses 4 Independent keys；Display module is shown that display module can using LCD12864
To show the electric current of set every paths of LEDs lamp, and the working condition of each paths of LEDs lamp of real-time display, and in the electricity for setting LED
It is used as man-machine dialog interface during stream；Using the fpga chip EP1C3T144C8 of ALTERA companies as microprocessor, FPGA operations
Speed is fast, is programmed using hardware description language, and program is concurrently run, and can produce multi-channel PWM signal simultaneously；Memory module is adopted
It is designed with AT24C02, CMOS modules are designed using 2N7000, and DC-DC modular converters are set using LM2596
Meter, LM2596 output voltages are adjustable, and energy conversion efficiency is high.
High efficient multi-path LED lamp drive circuit system of the present utility model, its is easy to operate, can pass through multichannel CMOS moulds
Block carries out the adjustment of bright intensity to multi-way LED lamp module, and utilization rate of electrical is high, and the driving current per paths of LEDs lamp is independent
It is adjustable, while when current average exceedes and set, LED power-off, avoids LED from damaging corresponding to power-off modular control, has
There is very big market potential.
It the above is only concrete application example of the present utility model, do not form any limit to the scope of protection of the utility model
System.All technical schemes formed using equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (6)
- A kind of 1. high efficient multi-path LED lamp drive circuit system, it is characterised in that including：Multi-way LED lamp module；Keysheet module, for the average current value for setting each paths of LEDs lamp to be input in microprocessor；Microprocessor, for each paths of LEDs lamp for receiving Keysheet module input average current value and after carrying out respective handling, will be each The average current value of paths of LEDs lamp is sent to display module and the pwm signal after calculation process is sent into multichannel CMOS modules；Display module, the average current value of each paths of LEDs lamp for receiving microprocessor transmission, and show current each paths of LEDs The average current value and working condition of lamp；Multichannel CMOS modules, the pwm signal after calculation process for receiving microprocessor transmission controlled corresponding more later The average current value of paths of LEDs lamp module；Power supply module, for providing power supply to above-mentioned Keysheet module, microprocessor, display module and multichannel CMOS modules；DC-DC modular converters, the power supply for power supply module to be supplied to multi-way LED lamp module are connected to more again after being depressured On paths of LEDs lamp module；The Keysheet module is connected with microprocessor, and display module and multichannel CMOS modules are parallel with microprocessor；It is described more Road CMOS modules are connected with multi-way LED lamp module；The power supply module and above-mentioned Keysheet module, microprocessor, display module with And multichannel CMOS modules are connected；The power supply module is also connected by DC-DC modular converters with multi-way LED lamp module.
- 2. high efficient multi-path LED lamp drive circuit system according to claim 1, it is characterised in that：Also include data storage Module；The data memory module is connected with microprocessor, the average current of each paths of LEDs lamp for receiving microprocessor transmission Stored after value.
- 3. high efficient multi-path LED lamp drive circuit system according to claim 2, it is characterised in that：Also include power-off modular； The power-off modular is connected with microprocessor and multi-way LED lamp module respectively, for receiving the power-off signal of microprocessor transmission The power-off of multi-way LED lamp module is controlled afterwards.
- 4. the high efficient multi-path LED lamp drive circuit system according to Claims 2 or 3, it is characterised in that：The display module Using LCD12864.
- 5. high efficient multi-path LED lamp drive circuit system according to claim 4, it is characterised in that：The data storage mould Block uses AT24C02.
- 6. high efficient multi-path LED lamp drive circuit system according to claim 1, it is characterised in that：The DC-DC conversions Module uses LM2596.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720261488.2U CN207219086U (en) | 2017-03-17 | 2017-03-17 | A kind of high efficient multi-path LED lamp drive circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720261488.2U CN207219086U (en) | 2017-03-17 | 2017-03-17 | A kind of high efficient multi-path LED lamp drive circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207219086U true CN207219086U (en) | 2018-04-10 |
Family
ID=61809446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720261488.2U Expired - Fee Related CN207219086U (en) | 2017-03-17 | 2017-03-17 | A kind of high efficient multi-path LED lamp drive circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207219086U (en) |
-
2017
- 2017-03-17 CN CN201720261488.2U patent/CN207219086U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190317 |