CN205039565U - Charger and electronic device - Google Patents
Charger and electronic device Download PDFInfo
- Publication number
- CN205039565U CN205039565U CN201520643934.7U CN201520643934U CN205039565U CN 205039565 U CN205039565 U CN 205039565U CN 201520643934 U CN201520643934 U CN 201520643934U CN 205039565 U CN205039565 U CN 205039565U
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- electronic equipment
- charger
- switch
- pin
- resistance
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Abstract
The utility model relates to the field of electronic technology, a charger and electronic device is disclosed. The utility model discloses in, added first resistance and switch between the detection pin of the first interface that charges of charger and ground connection foot, wherein switch and first resistance are connected with the mode of establishing ties. The switch has switch -on, disconnection two types to supply the user to select, thus the sign user's request. When adopting the charger to charge to electronic equipment, the detection pin that the detection pin of the first interface that charges of charger and electronic equipment's second charge the interface is connected to make electronic equipment to carry out automatic control according to user's selection, thereby make electronic equipment more intelligent, improved user experience.
Description
Technical field
The utility model relates to electronic technology field, particularly a kind of charger and electronic equipment.
Background technology
Along with the intelligentized of electronic product is popularized; people use intellectuality, portable electronic equipment (as mobile phone) frequency sharply increases; at electronic equipment in the process used; often can encounter battery electric quantity to be finished; the situation of electronic equipment automatic shutdown, now user just needs to use charger to charge to electronic equipment.
In the prior art, electronic equipment in the process of charging, when the cell voltage of electronic equipment rises to start voltage, electronic equipment is still in off-mode, can not Auto Power On, still need user to carry out associative operation to electronic equipment, electronic equipment just can be made to start shooting.But; in daily life; often there will be user to be badly in need of using electronic equipment; the key of electronic equipment is repeatedly pressed to control electronic equipment start when charging; but when electric device battery brownout; even if electronic equipment is charging also do not drive machine, thus bring many puzzlements and inconvenience to user, reduce Consumer's Experience.
Utility model content
The purpose of this utility model is to provide a kind of charger and electronic equipment, and charger is provided with switch, and switch has on-off two states, selects for user, thus identifying user demand.When adopting charger to charge to electronic equipment, electronic equipment can control automatically according to the selection of user, thus makes electronic equipment more intelligent, improves Consumer's Experience.
For solving the problems of the technologies described above, execution mode of the present utility model provides a kind of charger, comprises: the first charging inlet, switch and the first resistance;
First charging inlet has detection pin and grounding leg;
Switch and the first resistant series are between detection pin and grounding leg;
Wherein, the connection of switch connection or disconnection detection pin and grounding leg.
Of the present utility modelly embodiment further provides a kind of electronic equipment, comprise: above-mentioned charger and electronic equipment body;
Electronic equipment body comprises the second charging inlet, power management chip, the second resistance and processor;
A voltage output pin of power management chip is connected to the detection pin of the second charging inlet through the second resistance;
A universal input output pin of processor is connected with the detection pin of the second charging inlet;
Wherein, when being electronic equipment charging adopting charger, the first charging inlet is connected with the detection pin of the second charging inlet.
The utility model execution mode in terms of existing technologies, first charging inlet has detection pin and grounding leg, switch and the first resistant series are between detection pin and grounding leg, namely on charger, switch is provided with, switch has on-off two states, select for user, thus understand user's request.In this way, when adopting charger to charge to electronic equipment, electronic equipment can control automatically according to the selection of user, thus makes electronic equipment more intelligent, improves Consumer's Experience.
In addition, the first charging inlet is general-purpose serial bus USB interface.
In addition, the identification pin that pin is USB interface is detected.
In addition, the first resistance is connected between switch and grounding leg.
In addition, switch is toggle switch.
In addition, the resistance of the first resistance is greater than 0 ohm.
In addition, the second charging inlet is general-purpose serial bus USB interface.
In addition, electronic equipment body is mobile phone.
Accompanying drawing explanation
Fig. 1 is the circuit diagram indicating on-state according to the switch in the utility model first execution mode;
Fig. 2 is the circuit diagram indicating off-state according to the switch in the utility model first execution mode;
Fig. 3 is the circuit diagram according to the electronic equipment in the utility model second execution mode.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, each execution mode of the present utility model is explained in detail.But, persons of ordinary skill in the art may appreciate that in each execution mode of the utility model, proposing many ins and outs to make reader understand the application better.But, even without these ins and outs with based on the many variations of following execution mode and amendment, each claim of the application technical scheme required for protection also can be realized.
First execution mode of the present utility model relates to a kind of charger, and this charger comprises: the first charging inlet, switch and the first resistance; First charging inlet has detection pin and grounding leg, and switch and the first resistant series are detecting between pin and grounding leg, the connection of switch connection or disconnection detection pin and grounding leg.
As depicted in figs. 1 and 2, a divider resistance R1 can be added in the identification pin ID pin on common USB charging plug and receive GND line, and add external switch K1, constitute bleeder circuit module.That is, K switch 1 can be toggle switch, and K switch 1 has 1,2,3 three pin.First charging inlet can be general-purpose serial bus USB interface, has two the differential signal pins (DM pin and DP pin) and USB voltage pin (Vbus pin) that identify pin ID, grounding pin GND, USB interface.In present embodiment, detect the identification pin ID that pin is USB interface, grounding leg is the grounding pin GND of USB interface, and the first resistance R1 is connected between K switch 1 and grounding pin GND.
Specifically, when K switch 1 turns left slip, 1,2 pin conductings (as shown in Figure 1), ID pin completes divider resistance R1, to grounding leg, forms path; When K switch 1 turns right slip, 1,2 pin disconnect (as shown in Figure 2), and now ID pin disconnects with divider resistance R1, does not form path.In this way, charger is provided with switch, switch has on-off two states, select for user, thus understanding user's request, when charging to electronic equipment for using this charger, electronic equipment can be selected to carry out automatically controlling to provide possibility according to user.In addition, the first resistance R1 also can be connected between ID pin and K switch 1, to reach identical object.
What deserves to be explained is, if when the first resistance R1 is 0, when K switch 1 is turned left slip, 1,2 pin conductings, be equivalent to detect pin and be directly connected to grounding leg, now USB interface enters transfer of data OTG pattern, and being not easy to charger is electronic equipment charging.Therefore, the resistance of the first resistance R1 can be made to be greater than 0 ohm, to enter transfer of data OTG pattern to avoid general-purpose serial bus USB interface.
In present embodiment, switch is toggle switch, and when actual fabrication, switch can also be push switch, and only illustrating with this is limited, and the identical switch element of any effect is all within protection range of the present utility model.
Be not difficult to find out, in present embodiment, provide a kind of charger with switch, between the detection pin and grounding leg of the first charging inlet, add the first resistance and switch, its breaker in middle is connected in the mode of series connection with the first resistance.Switch has and switches on and off two states, user can be selected according to demand, as control as user charger switch be in on-state time, when adopting the charger of this on off state to charge to electronic equipment, when electric device battery voltage rise is to start voltage, then electronic equipment Auto Power On; Otherwise user controls charger switch when being in off-state, and electronic equipment is Auto Power On not.In this way, for the electronic equipment charged can be selected to carry out automatically controlling to provide possibility according to user, thus user's request is met.
Second execution mode of the present utility model relates to a kind of electronic equipment, comprises the charger in the first execution mode, electronic equipment body, as shown in Figure 2.The application scenarios of present embodiment is state when adopting charger to be electronic equipment charging, and electronic equipment can be the mobile terminal such as mobile phone, panel computer.
Electronic equipment body comprises the second charging inlet, power management chip IC, the second resistance R3 and processor CPU.Wherein, a voltage output pin of power management chip IC is connected to the detection pin of the second charging inlet through the second resistance R3; A universal input output pin (i.e. GPIO pin) of processor CPU is connected with the detection pin of the second charging inlet.
When being electronic equipment charging when adopting charger, the identification pin ID pin of the first charging inlet of charger is connected with the detection pin of the second charging inlet of electronic equipment.First charging inlet can be general-purpose serial bus USB interface, and the second charging inlet can be the general-purpose serial bus USB interface corresponding with the first charging inlet.
Refer to shown in Fig. 3, U3 is charging IC, U2 is power management chip IC, and U1 is processor CPU, and resistance R2 is current-limiting resistance, and the second resistance R3 is pull-up resistor, and A point is level detection point, is connected with the identification pin ID pin of the first charging inlet.When the cell voltage of electronic equipment is consumed by the degree of depth, electronic equipment can be introduced into pre-charging stage, and electronic equipment operating system can not start, Non voltage output.When charger plugged by electronic equipment, powered to battery and power management chip IC by charging IC, now have two kinds of situations:
One, when electronic equipment is in non-precharging state, power management chip IC starts, and export the IO voltage of certain voltage, simultaneous processor CPU starts, and universal input output pin GPIO pin is opened, to interrupt detecting A level point.
Two, when electronic equipment is in precharging state, charger carries out the precharge of small area analysis to the battery of electronic equipment, when cell voltage rises to the starting resistor of electronic equipment operating system, power management chip IC just can detect cell voltage now, and simultaneous processor CPU starts.
First, start voltage can be that user pre-sets, and is carried out the magnitude of voltage preserved by electronic equipment, also can be the magnitude of voltage in electronic equipment default setting.Wherein, the start voltage preset is more than or equal to the starting resistor of electronic equipment operating system.When the K switch 1 of charger indicates connection, the detection pin of the first charging inlet will be connected to the level detection point A point of electronic equipment, the IO voltage that power management chip IC exports is by the first electronics R1, the second resistance R3 dividing potential drop, universal input output pin GPIO pin detects that the level state of A point is VR1, wherein, the size of VR1 depends on the resistance (R1 is greater than 0 ohm) of the first resistance R1.When the cell voltage of now electronic equipment meets default start voltage, then charger controls electronic equipment start.When the K switch 1 of charger indicates disconnection, universal input output pin GPIO pin detects that the level of A point is the IO voltage that power management chip IC exports, and now charger can not control electronic equipment start.
Be not difficult to find out, when electronic equipment cell voltage by degree of depth consumption cause cannot start shooting time, plug charger to charge to electronic equipment, after the cell voltage rising of electronic equipment causes default start voltage, electronic equipment can control automatically according to the on off state on charger, starts shooting to make the electronic equipment very first time.As, when the on off state on charger for connect time, electronic equipment is detected cell voltage by processor CPU, when cell voltage rise to start voltage time, electronic equipment can within the very first time Auto Power On; Otherwise when the on off state on charger is off, electronic equipment is Auto Power On not.In this way, thus make electronic equipment can automatically control whether to start shooting, to meet consumers' demand.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above realize specific embodiment of the utility model, and in actual applications, various change can be done to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (9)
1. a charger, is characterized in that, comprises: the first charging inlet, switch and the first resistance;
Described first charging inlet has detection pin and grounding leg;
Described switch and described first resistant series are between described detection pin and described grounding leg;
Wherein, described switch connection or disconnect the connection of described detection pin and grounding leg.
2. charger according to claim 1, is characterized in that, described first charging inlet is general-purpose serial bus USB interface.
3. charger according to claim 2, is characterized in that, described detection pin is the identification pin of described USB interface.
4. charger according to claim 1, is characterized in that, described first resistance is connected between described switch and described grounding leg.
5. charger according to claim 1, is characterized in that, described switch is toggle switch.
6. charger according to claim 1, is characterized in that, the resistance of described first resistance is greater than 0 ohm.
7. an electronic equipment, is characterized in that, comprises: the charger as described in claim 1 to 6 any one and electronic equipment body;
Described electronic equipment body comprises the second charging inlet, power management chip, the second resistance and processor;
A voltage output pin of described power management chip is connected to the detection pin of described second charging inlet through described second resistance;
A universal input output pin of described processor is connected with the detection pin of described second charging inlet;
Wherein, when being the charging of described electronic equipment adopting described charger, described first charging inlet is connected with the detection pin of described second charging inlet.
8. electronic equipment according to claim 7, is characterized in that, described second charging inlet is general-purpose serial bus USB interface.
9. electronic equipment according to claim 7, is characterized in that, described electronic equipment body is mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643934.7U CN205039565U (en) | 2015-08-24 | 2015-08-24 | Charger and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643934.7U CN205039565U (en) | 2015-08-24 | 2015-08-24 | Charger and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039565U true CN205039565U (en) | 2016-02-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520643934.7U Expired - Fee Related CN205039565U (en) | 2015-08-24 | 2015-08-24 | Charger and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205039565U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790026A (en) * | 2016-02-25 | 2016-07-20 | 广东欧珀移动通信有限公司 | Mobile terminal, universal serial bus interface and manufacturing method therefor |
| CN108023376A (en) * | 2017-11-08 | 2018-05-11 | 卓尔悦欧洲控股有限公司 | Charging wire, charging assembly, charging method and device |
-
2015
- 2015-08-24 CN CN201520643934.7U patent/CN205039565U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105790026A (en) * | 2016-02-25 | 2016-07-20 | 广东欧珀移动通信有限公司 | Mobile terminal, universal serial bus interface and manufacturing method therefor |
| CN105790026B (en) * | 2016-02-25 | 2018-01-23 | 广东欧珀移动通信有限公司 | Mobile terminal, USB and its manufacture method |
| CN108023376A (en) * | 2017-11-08 | 2018-05-11 | 卓尔悦欧洲控股有限公司 | Charging wire, charging assembly, charging method and device |
| CN108023376B (en) * | 2017-11-08 | 2021-10-22 | 卓尔悦欧洲控股有限公司 | Charging wire, charging assembly, charging method and device |
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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 |
Granted publication date: 20160217 Termination date: 20190824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |