CN204425005U - A kind of charger adapter head with lighting indicating function - Google Patents
A kind of charger adapter head with lighting indicating function Download PDFInfo
- Publication number
- CN204425005U CN204425005U CN201520181133.3U CN201520181133U CN204425005U CN 204425005 U CN204425005 U CN 204425005U CN 201520181133 U CN201520181133 U CN 201520181133U CN 204425005 U CN204425005 U CN 204425005U
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- Prior art keywords
- resistance
- comparison amplifier
- lighting
- adapter head
- electric capacity
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Abstract
The utility model relates to a kind of charger adapter head with lighting indicating function, comprise lighting pilot lamp and the comparison amplifier of electrical connection, comparison amplifier is for comparing the current potential of its in-phase input end and inverting input, selectivity realizes the break-make of lighting pilot lamp, be connected back lighting indicator light with power supply and can play illuminating effect, the connection of convenience and mobile phone, after mobile phone and charger adapter head exact connect ion, lighting pilot lamp automatic distinguishing, whether intuitive and convenient ground is understood mobile phone and is correctly charged, avoid the phenomenon generation that mobile phone virtually connects charger, after mobile phone is full of electricity, lighting pilot lamp lights, prompting charging terminates, be convenient to understand charging complete situation in time.
Description
Technical field
The utility model relates to a kind of adapter, is applicable to charger, is particularly useful for the charger of mobile phone, panel computer, specifically, relates to a kind of charger adapter head with lighting indicating function.
Background technology
Intelligent charge Application of Interface is on mobile phone, panel computer, the frequency of utilization of smart mobile phone, panel computer is higher, power consumption is fast, and on especially daytime, frequency of utilization is higher, general is all charge at night, for occasions such as dormitories due to reasons such as light turning off timings, can not irradiation source after turning off the light, and also USB interface is one-way interfaces, otherwise have when connecting mobile phone charging and just divide, often need plug repeatedly could connect.Some interface quality is bad now, even if mobile phone on exact connect ion, due to without instruction, sometimes can not charge, to such an extent as to second day mobile phone does not fill electricity with, delays the use of second day.
Utility model content
Technical problem to be solved in the utility model is for above deficiency, a kind of charger adapter head with lighting indicating function is provided, be provided with lighting pilot lamp, illuminating effect can be played after being connected with power supply, the connection of convenience and mobile phone, after mobile phone and charger adapter head exact connect ion, lighting pilot lamp automatic distinguishing, whether intuitive and convenient ground is understood mobile phone and is correctly charged, avoid the phenomenon generation that mobile phone virtually connects charger, after mobile phone is full of electricity, lighting pilot lamp lights, prompting charging terminates, and is convenient to understand charging complete situation in time.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of charger adapter head with lighting indicating function, comprise lighting pilot lamp EL and the comparison amplifier IC of electrical connection, comparison amplifier IC is for comparing the current potential of its in-phase input end and inverting input, and selectivity realizes the break-make of lighting pilot lamp EL.
A kind of prioritization scheme, the inverting input of described comparison amplifier IC is electrically connected with voltage stabilizing circuit, the in-phase input end of comparison amplifier IC is electrically connected with adjustable series bleeder circuit, the output of comparison amplifier IC is electrically connected with triode VT, and the collector electrode of triode VT is connected with lighting pilot lamp EL.
Another kind of prioritization scheme, described voltage stabilizing circuit comprises resistance R3, voltage stabilizing didoe D1 and the electric capacity C2 of electrical connection, and the plus earth of voltage stabilizing didoe D1, the negative electrode of voltage stabilizing didoe D1 is connected with resistance R3, and electric capacity C2 is connected in parallel on the two ends of voltage stabilizing didoe D1.
Another prioritization scheme, the sliding contact of resistance R1, potentiometer Rv and resistance R2, potentiometer Rv that described adjustable series bleeder circuit comprises series connection is connected with the in-phase input end of comparison amplifier IC.
Further prioritization scheme, the node between described voltage stabilizing didoe D1 and resistance R3 is connected with resistance R4, and resistance R4 is connected with resistance R5, and the node between resistance R4 with resistance R5 is connected with the inverting input of comparison amplifier IC.
Further prioritization scheme, resistance R6 is connected with between the base stage of described comparison amplifier IC and the output of comparison amplifier IC, electric capacity C1 is connected with between the in-phase input end of comparison amplifier IC and the positive power source terminal of comparison amplifier IC, be connected with electric capacity C3 between the inverting input of comparison amplifier IC and the positive power source terminal of comparison amplifier IC, the two ends of electric capacity C3 are parallel with resistance R5.
Further prioritization scheme, is connected with electric capacity C5 between the collector electrode of described triode VT and the emitter of triode VT, is connected with electric capacity C4 between the emitter of triode VT and the base stage of triode VT.
Further prioritization scheme, the anode of described lighting pilot lamp EL is connected with resistance R7, and resistance R7 is connected with electric capacity C6, electric capacity C6 ground connection.
The utility model adopts above technical scheme, compared with prior art, have the following advantages: charger adapter head comprises lighting pilot lamp and the comparison amplifier of electrical connection, comparison amplifier is for comparing the current potential of its in-phase input end and inverting input, selectivity realizes the break-make of lighting pilot lamp, be connected back lighting indicator light with power supply and can play illuminating effect, the connection of convenience and mobile phone, after mobile phone and charger adapter head exact connect ion, lighting pilot lamp automatic distinguishing, whether intuitive and convenient ground is understood mobile phone and is correctly charged, avoid the phenomenon generation that mobile phone virtually connects charger, after mobile phone is full of electricity, lighting pilot lamp lights, prompting charging terminates, be convenient to understand charging complete situation in time.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Accompanying drawing 1 is the electrical schematic diagram of charger adapter head in the utility model embodiment.
Embodiment
Embodiment, as shown in Figure 1, a kind of charger adapter head with lighting indicating function, the input of charger adapter head is used for being electrically connected with light source of charger, the output of charger adapter head is used for being electrically connected with by charger, charger adapter head comprises lighting pilot lamp EL and the comparison amplifier IC of electrical connection, and comparison amplifier IC is for comparing the current potential of its in-phase input end and inverting input, and selectivity realizes the break-make of lighting pilot lamp EL.
The inverting input of described comparison amplifier IC is electrically connected with voltage stabilizing circuit, the in-phase input end of comparison amplifier IC is electrically connected with adjustable series bleeder circuit, electric capacity C1 is connected with between the in-phase input end of comparison amplifier IC and the positive power source terminal of comparison amplifier IC, electric capacity C3 is connected with between the inverting input of comparison amplifier IC and the positive power source terminal of comparison amplifier IC, the two ends of electric capacity C3 are parallel with resistance R5, the output of comparison amplifier IC is electrically connected with triode VT, resistance R6 is connected with between the base stage of triode VT and the output of comparison amplifier IC, the collector electrode of triode VT is connected with lighting pilot lamp EL, electric capacity C5 is connected with between the collector electrode of triode VT and the emitter of triode VT, electric capacity C4 is connected with between the emitter of triode VT and the base stage of triode VT.
The negative electrode of lighting pilot lamp EL is connected with the collector electrode of triode VT, and the anode of lighting pilot lamp EL is connected with resistance R7, and resistance R7 is connected with electric capacity C6, electric capacity C6 ground connection.
Node between resistance R7 with electric capacity C6 is used for being electrically connected by charger with the emitter of triode VT.
Described adjustable series bleeder circuit comprises resistance R1, potentiometer Rv and the resistance R2 of series connection, two fixed contacts of potentiometer Rv are connected with resistance R1 and resistance R2 respectively, resistance R1 and resistance R2 is electrically connected with the input of charger adapter head, and the sliding contact of potentiometer Rv is connected with the in-phase input end of comparison amplifier IC.
Described voltage stabilizing circuit comprises resistance R3, voltage stabilizing didoe D1 and the electric capacity C2 of electrical connection, and the plus earth of voltage stabilizing didoe D1, the negative electrode of voltage stabilizing didoe D1 is connected with resistance R3, and electric capacity C2 is connected in parallel on the two ends of voltage stabilizing didoe D1.
Node between voltage stabilizing didoe D1 and resistance R3 is connected with resistance R4, resistance R4 is connected with resistance R5, node between resistance R4 with resistance R5 is connected with the inverting input of comparison amplifier IC, resistance R4 and resistance R5, by the Voltage Series dividing potential drop after voltage stabilizing, puts on inverting input reference potential of comparison amplifier IC.
Before charging, charger adapter head output circuit is in open-circuit condition, charger adapter head circuit inputs, output current potential is higher, the current potential of comparison amplifier IC input is in the same way higher than the current potential of comparison amplifier IC inverting input, thus comparison amplifier IC output exports high level, be coupled by resistance R6, cause triode VT conducting, lighting pilot lamp EL is shinny.
During charging, the charging voltage that charger adapter head exports, reduced by charger because connecting, comparison amplifier IC in-phase input end potential drop is low to moderate lower than comparison amplifier IC anti-phase input terminal potential, now comparison amplifier IC output exports as low level, thus triode VT ends, and lighting pilot lamp EL does not work, instruction interface connects intact, and charging is normal.
When giving by charger full charge, input, the output current potential of charger adapter head circuit raise again, and E lighting pilot lamp L is again luminous, and instruction full charge, can pull up.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection range of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection range of the present utility model.
Claims (8)
1. one kind has the charger adapter head of lighting indicating function, it is characterized in that: described charger adapter head comprises lighting pilot lamp EL and the comparison amplifier IC of electrical connection, comparison amplifier IC is for comparing the current potential of its in-phase input end and inverting input, and selectivity realizes the break-make of lighting pilot lamp EL.
2. a kind of charger adapter head with lighting indicating function as claimed in claim 1, it is characterized in that: the inverting input of described comparison amplifier IC is electrically connected with voltage stabilizing circuit, the in-phase input end of comparison amplifier IC is electrically connected with adjustable series bleeder circuit, the output of comparison amplifier IC is electrically connected with triode VT, and the collector electrode of triode VT is connected with lighting pilot lamp EL.
3. a kind of charger adapter head with lighting indicating function as claimed in claim 2, it is characterized in that: described voltage stabilizing circuit comprises resistance R3, voltage stabilizing didoe D1 and the electric capacity C2 of electrical connection, the plus earth of voltage stabilizing didoe D1, the negative electrode of voltage stabilizing didoe D1 is connected with resistance R3, and electric capacity C2 is connected in parallel on the two ends of voltage stabilizing didoe D1.
4. a kind of charger adapter head with lighting indicating function as claimed in claim 2, it is characterized in that: the sliding contact of resistance R1, potentiometer Rv and resistance R2, potentiometer Rv that described adjustable series bleeder circuit comprises series connection is connected with the in-phase input end of comparison amplifier IC.
5. a kind of charger adapter head with lighting indicating function as claimed in claim 3, it is characterized in that: the node between described voltage stabilizing didoe D1 and resistance R3 is connected with resistance R4, resistance R4 is connected with resistance R5, and the node between resistance R4 with resistance R5 is connected with the inverting input of comparison amplifier IC.
6. a kind of charger adapter head with lighting indicating function as claimed in claim 1, it is characterized in that: between the base stage of described comparison amplifier IC and the output of comparison amplifier IC, be connected with resistance R6, electric capacity C1 is connected with between the in-phase input end of comparison amplifier IC and the positive power source terminal of comparison amplifier IC, be connected with electric capacity C3 between the inverting input of comparison amplifier IC and the positive power source terminal of comparison amplifier IC, the two ends of electric capacity C3 are parallel with resistance R5.
7. a kind of charger adapter head with lighting indicating function as claimed in claim 2, it is characterized in that: between the collector electrode of described triode VT and the emitter of triode VT, be connected with electric capacity C5, between the emitter of triode VT and the base stage of triode VT, be connected with electric capacity C4.
8. a kind of charger adapter head with lighting indicating function as claimed in claim 1, is characterized in that: the anode of described lighting pilot lamp EL is connected with resistance R7, and resistance R7 is connected with electric capacity C6, electric capacity C6 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181133.3U CN204425005U (en) | 2015-03-30 | 2015-03-30 | A kind of charger adapter head with lighting indicating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520181133.3U CN204425005U (en) | 2015-03-30 | 2015-03-30 | A kind of charger adapter head with lighting indicating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204425005U true CN204425005U (en) | 2015-06-24 |
Family
ID=53475334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520181133.3U Expired - Fee Related CN204425005U (en) | 2015-03-30 | 2015-03-30 | A kind of charger adapter head with lighting indicating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204425005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816927A (en) * | 2017-02-08 | 2017-06-09 | 捷开通讯(深圳)有限公司 | The mobile terminal of illumination is provided |
-
2015
- 2015-03-30 CN CN201520181133.3U patent/CN204425005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816927A (en) * | 2017-02-08 | 2017-06-09 | 捷开通讯(深圳)有限公司 | The mobile terminal of illumination is provided |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150624 Termination date: 20160330 |