CN207766604U - A kind of constant current touch light modulation charge power supply - Google Patents
A kind of constant current touch light modulation charge power supply Download PDFInfo
- Publication number
- CN207766604U CN207766604U CN201721857566.1U CN201721857566U CN207766604U CN 207766604 U CN207766604 U CN 207766604U CN 201721857566 U CN201721857566 U CN 201721857566U CN 207766604 U CN207766604 U CN 207766604U
- Authority
- CN
- China
- Prior art keywords
- constant current
- output
- module
- touch
- electrically connected
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of constant currents to touch light modulation charge power supply, including main control module, constant current output module and touch-control sensing module, the main control module respectively with constant current output module, touch-control sensing module is electrically connected, the touch-control sensing module is for generating and transmitting touching signals to main control module, main control module is for receiving the touching signals to drive constant current output module to be output to the outside constant current, it ensure that the consistent of LED light brightness connected to it, the mechanical switches such as traditional ship type switch are replaced using touch-control sensing module simultaneously, it can be suitble to the use of most of lamps and lanterns, facilitate the button of lamps and lanterns integrated can to realize, client is not limited, and switchboard is installed for the special drilling of lamps and lanterns, greatly lamps and lanterns are beautified, facilitate design.
Description
Technical field
The utility model is related to field of power supplies, especially a kind of constant current touches light modulation charge power supply.
Background technology
Currently, because national safety standard, there are strict requirements on lamps and lanterns output voltage, cannot be inputted using high voltage.
This just seriously constrains the series connection number of LED light, very inconvenient in the arrangement of light source.Meanwhile a kind of simple light is opened
The demand that can no longer meet modern society is closed, comfortable light environment also becomes the needs of modern society people, promoted
While lighting effects, the convenience and beauty of switch key how are realized, be also difficult to the bottleneck promoted as light trade.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of constant current touch light modulation charge power supply.
The technical solution adopted in the utility model is：
A kind of constant current touch light modulation charge power supply, including main control module, constant current output module and touch-control sensing module, institute
State main control module respectively with constant current output module, touch-control sensing module be electrically connected, the touch-control sensing module for generate and to
Main control module transmits touching signals, and main control module is for receiving the touching signals to drive constant current output module to be output to the outside perseverance
Constant current.
The constant current output module includes constant current chip U4, booster circuit, the first output resistance and output end, the perseverance
The Enable Pin EN and main control module for flowing chip U4 are electrically connected, the driving end DRV of constant current chip U4, booster circuit, the first output
Resistance, output end are electrically connected successively, for by constant current chip U4 driving end DRV output the boosted circuit of voltage signal into
The first output resistance is acted on after row boosting processing to export constant current to output end.
The booster circuit includes metal-oxide-semiconductor Q1 and inductance L3, the driving of one end and constant current chip U4 of the metal-oxide-semiconductor Q1
DRV is held to be electrically connected, one end of inductance L3 is electrically connected with the other end of metal-oxide-semiconductor Q1, the first output resistance respectively.
The utility model further includes filter circuit, and one end and the main control module of the filter circuit are electrically connected, filter circuit
The other end respectively with the feedback end FB of constant current chip U4, the first output resistance be electrically connected.
The touch-control sensing module includes touch-control sensing chip U5 and resistance to voltage capacitance, one end of the resistance to voltage capacitance with it is outer
Portion's touch points are electrically connected, the other end and touch-control sensing chip U5 are electrically connected, and touch-control sensing chip U5 is also electric with main control module
Property connection.
The utility model further includes USB output modules, which includes decompression chip U1, reduction voltage circuit, second
Output resistance and USB output port, the decompression chip U1, reduction voltage circuit, the second output resistance, USB output port are successively
It is electrically connected.
The reduction voltage circuit include diode D1 and the one end inductance L1, the diode D1 respectively with decompression chip U1
One end electric connection of output end SW, inductance L1, the other end ground connection of diode D1, the other end of inductance L1 and the second output electricity
Resistance is electrically connected.
Feedback end FB of second output resistance also with decompression chip U1 is electrically connected.
The utility model further includes overcurrent protection resistance R15, and overcurrent protection resistance R15 is connected in parallel in USB output ends
On mouth.
The utility model further includes LDO chips U2, the LDO chips U2 respectively with main control module, constant current output module, touch
Control induction module is electrically connected for connection external power supply and is carried to main control module, constant current output module, touch-control sensing module
For stable operating voltage.
The beneficial effects of the utility model：
The utility model is by being arranged main control module, constant current output module and touch-control sensing module, using boosting principle,
Several the LED light that be serially connected can be driven with constant current, it is made to shine with brightness stability, at the same also solve can not drive compared with
The problem of high voltage lamp source.Meanwhile the mechanical switches such as traditional ship type switch are replaced using touch-control sensing module, facilitate lamp
The button of tool integrated can be realized, is not limited client and is installed switchboard for the special drilling of lamps and lanterns, has greatly beautified lamp
Tool, facilitates design.
Description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the circuit diagram of the utility model.
Fig. 2 is the circuit diagram of the utility model constant current output module.
Fig. 3 is the circuit diagram of the utility model touch-control sensing module.
Fig. 4 is the circuit diagram of the utility model USB output modules.
Specific implementation mode
As shown in Figure 1, a kind of constant current touches light modulation charge power supply, including main control module, constant current output module 1 and touch-control
Induction module 2, the main control module are electrically connected with constant current output module 1, touch-control sensing module 2 respectively, the touch-control sensing mould
Block 2 is for generating and transmitting touching signals to main control module, and main control module is for receiving the touching signals to drive constant current output
Module 1 is output to the outside constant current, ensure that the consistent of LED light brightness connected to it, while using touch-control sensing module 2
It the mechanical switch such as switchs instead of traditional ship type, the use of most of lamps and lanterns can be suitble to, facilitate the button of lamps and lanterns can be with
Integration is realized, is not limited client and is installed switchboard for the special drilling of lamps and lanterns, has greatly beautified lamps and lanterns, facilitated design.
As shown in Fig. 2, the constant current output module 1 include constant current chip U4, booster circuit, the first output resistance 11 and
Output end 12, Enable Pin EN and the main control module of the constant current chip U4 are electrically connected, whether by its work of master control module controls,
Main control module exports high level signal, constant current chip U4 work；Main control module exports low level signal, and constant current chip U4 stops work
Make.Driving end DRV, booster circuit, the first output resistance 11, the output end 12 of constant current chip U4 is electrically connected successively, and being used for will
The boosted circuit of voltage signal of the driving end DRV outputs of constant current chip U4 acts on the first output resistance after carrying out boosting processing
11 to output end 12 to export constant current.
The booster circuit includes metal-oxide-semiconductor Q1 and inductance L3, the driving of one end and constant current chip U4 of the metal-oxide-semiconductor Q1
DRV is held to be electrically connected, one end of inductance L3 is electrically connected with the other end of metal-oxide-semiconductor Q1, the first output resistance 11 respectively.The boosting
Circuit is a kind of switch DC booster circuit, is the driving end DRV driving metal-oxide-semiconductor Q1 conductings by constant current chip U4, passes through inductance
Boost effect is realized in L3 accumulation of energys, in the present embodiment, the first output resistance 11 tool there are two precision resister, be resistance R1 and
Resistance R2.
The utility model further includes filter circuit 13, and one end and the main control module of the filter circuit 13 are electrically connected, filtering
The other end of circuit 13 is electrically connected with the feedback end FB of constant current chip U4, the first output resistance 11 respectively, in the present embodiment,
The RC filter circuits 13 that filter circuit 13 is made of resistance R7, resistance R18 and capacitance C13, for exporting main control module
Pwm signal filter shape after export a DC level signal, participate in the feedback end FB of constant current chip U4, and combine by defeated
The constant current for going out resistance output as reference, adjusts the output voltage of the driving end DRV of constant current chip U4, to realize without stroboscopic
The function of light modulation.In addition, the sample voltage value of resistance R23 is used for ensureing the Maximum Power Output of circuit, overcurrent damage device is avoided
Part.
As shown in figure 3, the touch-control sensing module 2 includes touch-control sensing chip U5 and resistance to voltage capacitance 21, the pressure resistance
One end of capacitance 21 is electrically connected with external touch points, the other end and touch-control sensing chip U5 are electrically connected, touch-control sensing chip
U5 is also electrically connected with main control module.In the present embodiment, resistance to voltage capacitance 21 is the capacitance C11 being connected in series with and capacitance C12, is held
Value is 1KV, and to prevent the high currents such as electrostatic from entering in circuit, touch-control sensing chip U5 drives work by main control module, simultaneously
Main control module receives the touching signals that touch-control sensing chip U5 is sent out and the validity for analyzing and determining the touching signals.
As shown in figure 4, the utility model further includes USB output modules 3, the USB output modules 3 include decompression chip U1,
Reduction voltage circuit, the second output resistance 31 and USB output port 32, the decompression chip U1, reduction voltage circuit, the second output resistance
31, USB output port 32 is electrically connected successively, for realizing that the constant voltage of 5V is exported to external equipment charge.
The reduction voltage circuit include diode D1 and the one end inductance L1, the diode D1 respectively with decompression chip U1
One end electric connection of output end SW, inductance L1, the other end ground connection of diode D1, the other end of inductance L1 and the second output electricity
Resistance 31 is electrically connected, and wherein diode D1 realizes that afterflow, inductance L1 can be kept in switch shakes using Schottky diode
Constant output.
Feedback end FB of second output resistance 31 also with decompression chip U1 is electrically connected, wherein the second output resistance 31
It is the resistance R19 being connected in series with and resistance R20, the feedback end FB of decompression chip U1 electrically connects with resistance R19 and resistance R20 respectively
The signal connect for sampling resistor R19 and resistance R20 transmission makes USB output port 32 in order to adjust output voltage in real time
The 5V outputs that can be kept constant.
The utility model further includes overcurrent protection resistance R15, and overcurrent protection resistance R15 is connected in parallel in USB output ends
On mouth 32, output super-high-current damage equipment is prevented.
The utility model further includes LDO chips U2, the LDO chips U2 respectively with main control module, constant current output module 1,
Touch-control sensing module 2 is electrically connected for connection external power supply and to main control module, constant current output module 1, touch-control sensing mould
Block 2 provides operating voltage stable, that ripple is smaller.
In the present embodiment, main control module is main control chip U3, is the microcontroller of a 8BIT, has timer, PWM hairs
The functions such as raw device.
The foregoing is merely the preferred embodiments of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the technical solution of the utility model aim belong to the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of constant current touches light modulation charge power supply, it is characterised in that:Including main control module, constant current output module and touch-control sense
Module, the main control module is answered to be electrically connected respectively with constant current output module, touch-control sensing module, which is used for
It generates and transmits touching signals to main control module, main control module is for receiving the touching signals to drive constant current output module outside
Portion exports constant current.
2. a kind of constant current according to claim 1 touches light modulation charge power supply, it is characterised in that：The constant current output module
Including constant current chip U4, booster circuit, the first output resistance and output end, the Enable Pin EN of the constant current chip U4 and master control
Module is electrically connected, and driving end DRV, booster circuit, the first output resistance, the output end of constant current chip U4 are electrically connected successively,
It is defeated for carrying out the voltage signal boosted circuit of the driving end DRV output of constant current chip U4 to act on first after boosting processing
Go out resistance to export constant current to output end.
3. a kind of constant current according to claim 2 touches light modulation charge power supply, it is characterised in that：The booster circuit includes
One end of metal-oxide-semiconductor Q1 and inductance L3, the metal-oxide-semiconductor Q1 and the driving end DRV of constant current chip U4 are electrically connected, and the one of inductance L3
End is electrically connected with the other end of metal-oxide-semiconductor Q1, the first output resistance respectively.
4. a kind of constant current according to claim 2 touches light modulation charge power supply, it is characterised in that：Further include filter circuit,
One end of the filter circuit is electrically connected with main control module, the other end of the filter circuit feedback end with constant current chip U4 respectively
FB, the first output resistance are electrically connected.
5. a kind of constant current according to claim 1 touches light modulation charge power supply, it is characterised in that：The touch-control sensing module
Including touch-control sensing chip U5 and resistance to voltage capacitance, one end of the resistance to voltage capacitance and external touch points electric connection, the other end
It is electrically connected with touch-control sensing chip U5, touch-control sensing chip U5 is also electrically connected with main control module.
6. a kind of constant current according to claim 1 touches light modulation charge power supply, it is characterised in that：Further include USB output moulds
Block, the USB output modules include decompression chip U1, reduction voltage circuit, the second output resistance and USB output port, the decompression
Chip U1, reduction voltage circuit, the second output resistance, USB output port are electrically connected successively.
7. a kind of constant current according to claim 6 touches light modulation charge power supply, it is characterised in that：The reduction voltage circuit includes
Diode D1 and the one end inductance L1, the diode D1 are electric with one end of the output end SW of decompression chip U1, inductance L1 respectively
Property connection, the other end ground connection of diode D1, the electric connection of the other end of inductance L1 and the second output resistance.
8. a kind of constant current according to claim 6 touches light modulation charge power supply, it is characterised in that：Second output resistance
Feedback end FB also with decompression chip U1 is electrically connected.
9. a kind of constant current according to claim 6 touches light modulation charge power supply, it is characterised in that：It further include overcurrent protection electricity
R15 is hindered, overcurrent protection resistance R15 is connected in parallel in USB output port.
10. a kind of constant current according to claim 1 touches light modulation charge power supply, it is characterised in that：Further include LDO chips
U2, the LDO chips U2 are electrically connected with main control module, constant current output module, touch-control sensing module outer for connecting respectively
Portion's power supply simultaneously provides stable operating voltage to main control module, constant current output module, touch-control sensing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721857566.1U CN207766604U (en) | 2017-12-25 | 2017-12-25 | A kind of constant current touch light modulation charge power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721857566.1U CN207766604U (en) | 2017-12-25 | 2017-12-25 | A kind of constant current touch light modulation charge power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207766604U true CN207766604U (en) | 2018-08-24 |
Family
ID=63184877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721857566.1U Expired - Fee Related CN207766604U (en) | 2017-12-25 | 2017-12-25 | A kind of constant current touch light modulation charge power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207766604U (en) |
-
2017
- 2017-12-25 CN CN201721857566.1U patent/CN207766604U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104427699B (en) | LED signal lamp and its LED drive circuit | |
| CN106211494B (en) | Light emitting diode driving circuit | |
| CN106028567B (en) | A kind of emergency lighting circuit and emergency light | |
| CN201114962Y (en) | Touch switch light adjuster | |
| CN106211498A (en) | Light color control method of lighting device | |
| CN108322964B (en) | LED driving power circuit | |
| CN104661408B (en) | LED light adjusting circuits and LED lamp | |
| CN204404017U (en) | The lamp of one-touch composite-key | |
| CN207766604U (en) | A kind of constant current touch light modulation charge power supply | |
| CN104955251B (en) | A kind of voltage detecting circuit and lamps and lanterns | |
| CN206314034U (en) | Pleasure boat multi color temperature brightness adjustable LED illumination intelligence control system | |
| TWI474755B (en) | Driving device for lighting fixture | |
| CN108270250A (en) | Charging system | |
| CN105246198A (en) | Device for controlling mobile phone lighting function | |
| CN201708999U (en) | Touch led controller | |
| CN109302777A (en) | LED dimming device and light adjusting system | |
| CN211831272U (en) | Control circuit of LED flash type multipurpose illuminating lamp for shooting | |
| CN110267388B (en) | High-power intrinsic safety device and explosion-proof lamp | |
| CN207011047U (en) | A kind of circuit that a Power supply belt multiple-channel output phase-cut dimming can be achieved | |
| CN203912269U (en) | Self-excited TRIAC dimming circuit | |
| CN208001273U (en) | One kind arbitrarily pasting touch switch based on 4.2 intelligence of bluetooth | |
| Su | Design of White Light LED Lighting Control System | |
| CN205812462U (en) | A kind of emergency lighting circuit and emergency light | |
| CN206237640U (en) | A kind of pulling and inserting type Multifunctional LED power-supply system | |
| CN206136367U (en) | Multi -functional intelligent house LED lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528400 No. ten Chung Yong Road, Torch Development Zone, Guangdong, Zhongshan 27 Patentee after: Guangdong Xinteli Lighting Appliance Co.,Ltd. Address before: 528400 No. ten Chung Yong Road, Torch Development Zone, Guangdong, Zhongshan 27 Patentee before: COMELY LIGHTING & ELECTRICAL APPLIANCES Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |