CN208445806U - A kind of mobile phone charging indicator light circuit - Google Patents
A kind of mobile phone charging indicator light circuit Download PDFInfo
- Publication number
- CN208445806U CN208445806U CN201821266287.2U CN201821266287U CN208445806U CN 208445806 U CN208445806 U CN 208445806U CN 201821266287 U CN201821266287 U CN 201821266287U CN 208445806 U CN208445806 U CN 208445806U
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- CN
- China
- Prior art keywords
- mobile phone
- resistance
- indicator light
- emitting diode
- light emitting
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Telephone Set Structure (AREA)
- Telephone Function (AREA)
Abstract
The utility model discloses a kind of mobile phone charging indicator light circuits, including being used as the light emitting diode D1 of mobile phone charging indicator light and being set to the controlled switching circuit of interior of mobile phone, the controlled switching circuit includes field-effect tube Q1, resistance R1, resistance R2, the grid of the field-effect tube Q1 connects one end of the GPIO mouth of mobile phone CPU and the R1 of resistance simultaneously, the other end of the resistance R1 is grounded, the source electrode of the field-effect tube Q1 is grounded, one end of the drain electrode connection resistance R2 of the field-effect tube Q1, the other end of the resistance R2 connects the cathode of the light emitting diode D1, the anode connection cradle positive pole of the D1 of the light emitting diode；The utility model can need to be arranged according to user the display pattern of cradle indicator light, the influence that indicator light sleeps to old man when night being avoided to charge, and circuit structure is simple, at low cost, easy to control.
Description
Technical field
The utility model relates to communication technique fields, more particularly to a kind of mobile phone charging indicator light circuit.
Background technique
Some older mobile phones are equipped with greatly cradle, and cradle is equipped with the indicator light for identifying charged state, but
Be the indicator light of current handset charging holder be all it is uncontrollable, cradle electromotion pilot lamp will be bright, user mobile phone charge
When be mostly at night and be to be placed on the place that can be taken at any time at one's side.But cradle when user sleeps
Indicator lamp brightness because it is non-adjustable or excessively it is dazzling cause influence sleep.
In view of the above-mentioned problems, it is necessary to devise the mobile phone and cradle of a indicator light that can control cradle,
The indicator light that cradle can be opened and closed under any state by the requirement of user, gives one good sleep environment of user
Utility model content
The purpose of the utility model is to overcome shortcomings in the prior art, provide a kind of mobile phone charging indicator light electricity
Road, to solve the problems, such as above-mentioned background technique.
The utility model is solved by following technical proposals:
A kind of mobile phone charging indicator light circuit, including being used as the light emitting diode D1 of mobile phone charging indicator light and being set to hand
Controlled switching circuit inside machine, the controlled switching circuit include field-effect tube Q1, resistance R1, resistance R2, the field-effect
The grid of pipe Q1 connects one end of the GPIO mouth of mobile phone CPU and the R1 of resistance simultaneously, and the other end ground connection of the resistance R1 is described
The source electrode of field-effect tube Q1 is grounded, one end of the drain electrode connection resistance R2 of the field-effect tube Q1, the other end of the resistance R2
Connect the cathode of the light emitting diode D1, the anode connection cradle positive pole of the D1 of the light emitting diode；The hair
Optical diode is set to the cradle for charging for the mobile phone, the mobile phone and the cradle and passes through positive and negative anodes conduction
Contact is electrically connected.
Further, the GPIO mouth of the mobile phone CPU is low level or high level, and GPIO mouthfuls of original state is low electricity
It is flat.
Further, the controlled switching circuit is connected with the switching module for switching day mode and Night,
The switching module is controlled by handset touch panel.
Further, the other end of the resistance R2 is connected by the cathode of positive conductive contact and the light emitting diode D1
It connects.
The utility model have the following advantages that compared with prior art and the utility model has the advantages that
The utility model on mobile phone and cradle by being arranged light emitting diode and controlled switching circuit, controlled switch electricity
Road includes the switching module for being connected to the field-effect tube of mobile phone CPU and being connected with for switching day mode and Night, institute
It states switching module to control by handset touch panel, can easily control cell phone indication lamp in charging, user can be according to need
The display pattern of cradle indicator light is set, the influence that indicator light sleeps to old man when night being avoided to charge, circuit structure letter
It is single, at low cost, easy to control.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is a kind of circuit diagram of mobile phone charging indicator light circuit.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
The specific implementation process of the utility model is as follows:
As shown in Figure 1, a kind of mobile phone charging indicator light circuit, the light emitting diode D1 including being used as mobile phone charging indicator light
And it is set to the controlled switching circuit of interior of mobile phone, the controlled switching circuit includes field-effect tube Q1, resistance R1, resistance R2,
The grid of the field-effect tube Q1 connects one end of the GPIO mouth of mobile phone CPU and the R1 of resistance simultaneously, and the resistance R1's is another
End ground connection, the source electrode ground connection of the field-effect tube Q1, one end of the drain electrode connection resistance R2 of the field-effect tube Q1, the resistance
The other end of R2 connects the cathode of the light emitting diode D1, and the anode connection cradle power supply of the D1 of the light emitting diode is just
Pole；The light emitting diode is set to the cradle for charging for the mobile phone, and the mobile phone passes through with the cradle
Positive and negative anodes conductive contact is electrically connected.
The GPIO mouth of the mobile phone CPU is low level or high level, and GPIO mouthfuls of original state is low level.
The controlled switching circuit is connected with the switching module for switching day mode and Night, the switching mould
Block is controlled by handset touch panel.
The other end of the resistance R2 is connect by positive conductive contact with the cathode of the light emitting diode D1.
The working principle of the utility model are as follows: the GPIO mouth of the grid connection mobile phone CPU of the field-effect tube Q1, source electrode connect
It is grounded after resistance R1, the light emitting diode D1 on pedestal is connected by conductive contact after the connecting resistance R2 that drains, the CPU of mobile phone passes through
GPIO mouthfuls of output low and high levels control the on and off of field-effect tube Q1, when CPU is when GPIO exports high level, field-effect
Pipe Q1 conducting, forming circuit light emitting diode D1 are lit, and when CPU is when GPIO exports low level, field-effect tube Q1 cut-off is sent out
Optical diode D1 extinguishes, and day mode and Night is arranged by handset touch panel to switch and control controlled switching circuit
Working condition, so that easily control charging indicator light in different times light or extinguish by section.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (4)
1. a kind of mobile phone charging indicator light circuit, it is characterised in that: the light emitting diode D1 including being used as mobile phone charging indicator light
And it is set to the controlled switching circuit of interior of mobile phone, the controlled switching circuit includes field-effect tube Q1, resistance R1, resistance R2,
The grid of the field-effect tube Q1 connects one end of the GPIO mouth of mobile phone CPU and the R1 of resistance simultaneously, and the resistance R1's is another
End ground connection, the source electrode ground connection of the field-effect tube Q1, one end of the drain electrode connection resistance R2 of the field-effect tube Q1, the resistance
The other end of R2 connects the cathode of the light emitting diode D1, and the anode connection cradle power supply of the D1 of the light emitting diode is just
Pole；The light emitting diode is set to the cradle for charging for the mobile phone, and the mobile phone passes through with the cradle
Positive and negative anodes conductive contact is electrically connected.
2. a kind of mobile phone charging indicator light circuit according to claim 1, it is characterised in that: the GPIO of the mobile phone CPU
Mouth is low level or high level, and GPIO mouthfuls of original state is low level.
3. a kind of mobile phone charging indicator light circuit according to claim 1, it is characterised in that: the controlled switching circuit connects
It is connected to the switching module for switching day mode and Night, the switching module is controlled by handset touch panel.
4. a kind of mobile phone charging indicator light circuit according to claim 1, it is characterised in that: the other end of the resistance R2
It is connect by positive conductive contact with the cathode of the light emitting diode D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266287.2U CN208445806U (en) | 2018-08-07 | 2018-08-07 | A kind of mobile phone charging indicator light circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821266287.2U CN208445806U (en) | 2018-08-07 | 2018-08-07 | A kind of mobile phone charging indicator light circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208445806U true CN208445806U (en) | 2019-01-29 |
Family
ID=65086047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821266287.2U Expired - Fee Related CN208445806U (en) | 2018-08-07 | 2018-08-07 | A kind of mobile phone charging indicator light circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208445806U (en) |
-
2018
- 2018-08-07 CN CN201821266287.2U patent/CN208445806U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |