CN204290379U - Charger - Google Patents
Charger Download PDFInfo
- Publication number
- CN204290379U CN204290379U CN201420719601.3U CN201420719601U CN204290379U CN 204290379 U CN204290379 U CN 204290379U CN 201420719601 U CN201420719601 U CN 201420719601U CN 204290379 U CN204290379 U CN 204290379U
- Authority
- CN
- China
- Prior art keywords
- charger
- housing
- indicator light
- controller
- sheet metal
- 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
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Abstract
The utility model discloses a kind of charger, the charging output port comprising plug, the body be connected with plug and be arranged on body, body comprises pedestal and housing, the indicator light of charging circuit and connection charging circuit is provided with in body, body is also provided with a sheet metal, and charging circuit comprises voltage conversion circuit and controller, and sheet metal is connected with controller, controller is configured to when this charger is communicated with power supply, and user can regulate the brightness of indicator light by touching sheet metal.The utility model is by the body in charger arranges a sheet metal, the controller connecting described sheet metal is set in body, when this charger is communicated with power supply, described controller can realize user regulates described indicator light brightness by touching described sheet metal, make this indicator light can either the charge condition of pilot cell, the luminosity of indicator light can be regulated again, make user obtain better visual effect.
Description
Technical field
The utility model relates to charger field, particularly relates to a kind of charger.
Background technology
The portable mobile terminal equipment such as mobile phone, panel computer all needs to support the use charger, but the charger on market all exists shortcoming.Some charger external have indicator light, and this indicator light luminescence is crossed bright meeting and produced visual stimulus to user, and luminous mistake secretly can not indicate charge condition effectively.Therefore, the adjustable charger of a kind of indicator light brightness particularly needs.
Utility model content
Main purpose of the present utility model is to solve existing charger when charging to mobile terminal, the uncontrollable problem of indicator light brightness.
For achieving the above object, the utility model provides a kind of charger, the indicator light comprising body, be arranged at intrinsic charging circuit and be connected with described charging circuit, described charging circuit comprises the voltage conversion circuit for outer power voltage being converted to charging voltage needed for battery, and for controlling the controller of described indicator light luminescence; Described body is also provided with the sheet metal for receiving touch signal, described sheet metal is connected with described controller, and when described controller receives described touch signal, this controller regulates the brightness of described indicator light.
Preferably, described controller has analog-digital conversion function and pulse width modulated function, and when this charger is communicated with power supply, described controller controls described indicator light, and to present the type of respiration that light and shade replaces luminous, and its respiratory rate gradually changes with the prolongation in charging interval.
Preferably, described respiratory rate is slack-off gradually with the prolongation in charging interval.
Preferably, described controller comprises a single-chip microcomputer, described voltage conversion circuit comprises positive output end and negative output terminal, described positive output end connects the power pins of described single-chip microcomputer, described negative output terminal connects an A/D switched pins of described single-chip microcomputer, the driver output pin of described single-chip microcomputer connects described indicator light, the grounding pin ground connection of described single-chip microcomputer, and described sheet metal connects the 2nd A/D switched pins of described single-chip microcomputer.
Preferably, the housing that described body comprises pedestal and covered by pedestal, described housing is translucent housing.
Preferably, described housing is provided with pattern, and the thickness of housing corresponding to described pattern is less than the thickness of described other positions of housing.
Preferably, the housing that described body comprises pedestal and covered by pedestal, described housing is provided with pattern, and housing corresponding to described pattern position is translucent.
The utility model is by the body in charger arranges a sheet metal, the controller connecting described sheet metal is set in body, when this charger is communicated with power supply, described controller can realize user regulates described indicator light brightness by touching described sheet metal, make this indicator light can either the charge condition of pilot cell, the luminosity of indicator light can be regulated again, make user obtain better visual effect.
Accompanying drawing explanation
Fig. 1 is the utility model charger one embodiment structural scheme of mechanism;
Fig. 2 is the circuit diagram of charging circuit one embodiment in the utility model charger;
Fig. 3 is a side structural representation in Fig. 1;
Fig. 4 is the structural representation of another embodiment of the utility model charger.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
With reference to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of charger, comprise plug 11, the body 12 be connected with plug 11 and the charging output port 15 be arranged on body 12, the housing 121 that described body 12 comprises pedestal 122 and covered by pedestal 122, charging circuit 100 and indicator light 103 is provided with in the space that described pedestal 122 and housing 121 enclose, described charging circuit 100 connects described plug 11 and indicator light 103, when this charger 10 pairs of batteries charge, after the voltage of battery reaches preset value, described indicator light turns lamp, described body 12 is also provided with sheet metal 13, described charging circuit 100 comprises the voltage conversion circuit 101 for outer power voltage being converted to charging voltage needed for battery, and for controlling the controller 102 of described indicator light 103 luminescence, described sheet metal 13 is connected with described controller 102, described controller 102 is configured to when this charger 10 charges the battery, user can regulate the brightness of described indicator light 103 by touching described sheet metal 13.
Concrete, when the plug 11 of charger 10 connect external power source charge the battery time, described indicator light 103 is luminous, when being reached preset value by the voltage of battery charged, described indicator light 103 turns of lamps.It should be noted that, described indicator light 103 can be dichromatic LED, the rated voltage of the battery of mobile terminal is generally at about 4.2v, described preset value can be the numerical value close to 4.2V such as 3.9v, 4.0v or 4.1V, when being reached preset value by the battery charged, can think that battery has been filled electricity (magnitude of voltage reach 95% of rated voltage can think be full of), now bi-color light emitting diode turns lamp (becoming green from redness), is filled electricity in order to pilot cell.
Charging circuit 100 comprises voltage conversion circuit 101 and controller 102, and described voltage conversion circuit 101 comprises input and output, and described input is connected with plug 11, and described output connects described output interface, for charging the battery.Described output comprises positive output end and negative output terminal, described negative output terminal is provided with a current sense resistor R7, after arranging this current sense resistor R7, when charger 10 charges the battery, the size of current of described negative output terminal diminishes gradually with the prolongation in charging interval.Described controller 102 is a single-chip microcomputer, and for controlling described indicator light 103, to present the type of respiration that light and shade replaces luminous; As 80 series or the serial single-chip microcomputer of XY27x.Described positive output end connects the power pins of described single-chip microcomputer, and described negative output terminal connects an A/D switched pins of this single-chip microcomputer, and this single-chip microcomputer is by grounding pin pin ground connection.In described Micro Controller Unit (MCU) driving output pin, at least one pin is by light-emitting diode (indicator light) ground connection, this Light-Emitting Diode from described driver output pin towards ground; When described charger 10 is charging the battery, and when not reached described preset value by the voltage of the battery charged, the type of respiration that described Light-Emitting Diode (indicator light) replaces in light and shade is luminous.The voltage U at described current sense resistor R7 two ends diminishes gradually along with the continuity in charging interval, when just starting to charge, U is maximum, after this voltage signal enters voltage signal pin, this signal can be detected all the time in single-chip microcomputer inside, and reduced gradually by the output frequency of driver output pin or raise, thus the frequency that the light-emitting diode (indicator light 103) that driver output pin connects breathes flicker reduces gradually or raises.When U is reduced to certain value (namely being reached preset value by the voltage of the battery charged), described light-emitting diode type of respiration luminescence stops, and transfers to green fixing luminous, now represents that battery is filled electricity.
Described sheet metal 13 is connected with the 2nd A/D switched pins of this single-chip microcomputer.Because staff all can with a certain amount of electric charge, there is faint potential difference over the ground, when staff touches sheet metal 13, this faint signal of telecommunication will be delivered to the 2nd A/D switched pins of single-chip microcomputer, a larger signal of telecommunication can be obtained after single-chip microcomputer amplifies process, the output being controlled the light-emitting diode of this single-chip microcomputer by this signal of telecommunication drives the duty ratio of mouth output signal, the duty ratio of initial default state is 100%, enter when state is set (touch sheet metal and keep 3 seconds), duty ratio reduces 10%, continuous touch, then duty ratio reduces continuously, when duty ratio is reduced to 0%, duty ratio is with 10% step increments, reach 100% to duty ratio and namely repeat previous circulation.When the luminosity one of this light-emitting diode touches for the last time, duty ratio determined.It should be noted that herein, can also with the metal shell of the USB interface of the output port of this charger and described 2nd A/D switched pins, alternative metals sheet 13 is connected with described 2nd A/D switched pins, can realize the brightness regulating described indicator light 103 equally.
The reset condition of light-emitting diode when charging is set to normal bright state, now, touch described sheet metal 13 once, after single-chip microcomputer receives this touch signal, the driving I/O mouth controlling described light-emitting diode (indicator light 103) is closed, and indicator light 103 goes out, when again touching, all open again, indicator light 103 is bright.
The utility model is by the body in charger arranges a sheet metal 13, the controller connecting described sheet metal is set in body, when this charger is communicated with power supply, described controller 102 can realize user regulates described indicator light 103 brightness by touching described sheet metal 13, make this indicator light 103 can either the charge condition of pilot cell, the luminosity of indicator light 103 can be regulated again, make user obtain better visual effect.
Further, described controller 102 has analog-digital conversion function and pulse width modulated function, when charger 10 charges the battery, and when not reached preset value by the voltage of the battery charged, described controller 102 controls described indicator light 103, and to present the type of respiration that light and shade replaces luminous, and its respiratory rate gradually changes with the prolongation in charging interval.
Concrete, described single-chip microcomputer has pulse width modulated function, the voltage U at described current sense resistor R7 two ends diminishes gradually along with the continuity in charging interval, when just starting to charge, U is maximum, after this voltage signal enters voltage sense pin, this signal can be detected all the time in single-chip microcomputer inside, and the output frequency of driver output pin is reduced gradually, thus the frequency that the light-emitting diode that driver output pin connects breathes flicker reduces gradually, the respiratory rate that can realize indicator light gradually changes with the prolongation in charging interval, in the present embodiment, described respiratory rate is slack-off gradually with the prolongation in charging interval.
Further, described housing 121 is translucent housing.
In order to make user can more easily know by the battery charge condition charged, in the present embodiment, described housing 121 can be arranged in polyhedron, as positive six face bodies etc.; Housing 121 is arranged to translucent housing, this translucent housing 121 is after indicator light irradiates, this translucent housing 121 of a part of light penetration on the one hand, there is diffuse reflection in a part of light on the other hand on translucent housing 121, make light emission angle wider, be beneficial to user and know from multiple angle the situation that battery charges.After indicator light luminescence, described in its light therethrough, each position of housing 121 sends, and makes this housing 121 entirely lighting, thus avoids user and be in position, dead angle and be difficult to know battery charge condition.
Further, with reference to Fig. 4, described housing 121 is provided with pattern 14, and the thickness of housing 121 corresponding to described pattern 14 is less than the thickness of described other positions of housing 121.
Concrete, in the present embodiment, described housing 121 arranges pattern 14.Like this, corresponding to described pattern 14, the thickness of housing 121 is less than the thickness of described other positions of housing 121, and when indicator light is in luminance, the brightness of described pattern 14 is higher than the brightness of these other positions of housing 121.Such as, this pattern 14 can be arranged to the pattern with stereoeffect, be that user's visual effect is better, and in addition, light has highlighted this pattern 14, and visual effect when this charger 10 is charged is more powerful, has more aesthetic feeling.
Further, described housing 121 is provided with pattern 14, and housing 121 corresponding to described pattern 14 position is translucent.
In addition, the position of pattern 14 corresponding housing on this housing 121 can be translucent, and these other positions of housing 121 are opaque, has so just further highlighted the aesthetic feeling of pattern.This pattern setting becomes LOGO pattern to be beneficial to commercial brand publicity.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a charger, comprise body, be arranged at intrinsic charging circuit, and the indicator light to be connected with described charging circuit, it is characterized in that, described charging circuit comprises the voltage conversion circuit for outer power voltage being converted to charging voltage needed for battery, and for controlling the controller of described indicator light luminescence; Described body is also provided with the sheet metal for receiving touch signal, described sheet metal is connected with described controller, and when described controller receives described touch signal at every turn, this controller to the brightness regulation of described indicator light once.
2. charger as claimed in claim 1, it is characterized in that, described controller has analog-digital conversion function and pulse width modulated function, when this charger is communicated with power supply, described controller controls described indicator light, and to present the type of respiration that light and shade replaces luminous, and its respiratory rate gradually changes with the prolongation in charging interval.
3. charger as claimed in claim 2, it is characterized in that, described respiratory rate is slack-off gradually with the prolongation in charging interval.
4. charger as claimed in claim 2, it is characterized in that, described controller comprises a single-chip microcomputer, described voltage conversion circuit comprises positive output end and negative output terminal, described positive output end connects the power pins of described single-chip microcomputer, and described negative output terminal connects an A/D switched pins of described single-chip microcomputer, and the driver output pin of described single-chip microcomputer connects described indicator light, the grounding pin ground connection of described single-chip microcomputer, described sheet metal connects the 2nd A/D switched pins of described single-chip microcomputer.
5. charger as claimed in claim 1, it is characterized in that, the housing that described body comprises pedestal and covered by pedestal, described housing is translucent housing.
6. charger as claimed in claim 5, it is characterized in that, described housing is provided with pattern, and the thickness of housing corresponding to described pattern is less than the thickness of described other positions of housing.
7. charger as claimed in claim 1, it is characterized in that, the housing that described body comprises pedestal and covered by pedestal, described housing is provided with pattern, and housing corresponding to described pattern position is translucent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719601.3U CN204290379U (en) | 2014-11-25 | 2014-11-25 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719601.3U CN204290379U (en) | 2014-11-25 | 2014-11-25 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290379U true CN204290379U (en) | 2015-04-22 |
Family
ID=52873508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420719601.3U Expired - Fee Related CN204290379U (en) | 2014-11-25 | 2014-11-25 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290379U (en) |
-
2014
- 2014-11-25 CN CN201420719601.3U patent/CN204290379U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151125 |