CN202978304U - Power adapter apparatus - Google Patents
Power adapter apparatus Download PDFInfo
- Publication number
- CN202978304U CN202978304U CN 201220268077 CN201220268077U CN202978304U CN 202978304 U CN202978304 U CN 202978304U CN 201220268077 CN201220268077 CN 201220268077 CN 201220268077 U CN201220268077 U CN 201220268077U CN 202978304 U CN202978304 U CN 202978304U
- Authority
- CN
- China
- Prior art keywords
- charging
- current
- equipment
- circuit
- power supply
- 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
Images
Abstract
The invention brings forward a power adapter apparatus, comprising the components as following: a charging network, including a plurality of charging circuits; an equipment insertion monitor unit, which is used for monitoring whether the equipment to be charged is connected to the charging network, and emitting a monitor signal when the equipment to be charged is connected to the charging network; a controller, which is responsive to the monitor signal emitted by the equipment insertion monitor unit and controls one of the plurality of charging circuits to output a charging current to the equipment to be charged; and a current detection unit, which detects the size of the charging current. The controller determines whether to select other charging circuits to output a charging current to the equipment to be charged according to the size of the detected charging current.
Description
Technical field
The application relates to a kind of power supply adapting device, relates in particular to a kind of power supply adapting device that can select suitable charging circuit that equipment is charged from a plurality of charging circuits.
Background technology
At present, various portable sets develop rapidly and are widely used, as digital products such as mobile phone, handheld device, panel computer, camera, video camera, recording pens.These portable sets adopt rechargeable battery powered usually.Yet the charging circuit that is applicable to different portable sets is not quite similar.For example, the mobile terminal that satisfies the YD-T1591 standard of China requires the power supply adaptor output interface to adopt USB A type connector, and wherein D+ and D-should be at the inner short circuits of power supply adaptor, and with other circuit isolation.And Apple
Although the power supply adaptor output interface of product requirement is USB A type connector equally, need D+ to be connected different resistor networks with D-, different resistor networks represents different output currents.In addition, in Battery Charging Specification Revision 1.2 standards, SDP class power supply adaptor should pull down to ground by two 15k Ω (representative value) with D+ and D-.Therefore, the charging circuit that the needed power supply adaptor of different portable sets has is inconsistent, and this makes each portable set must be equipped with a corresponding power supply adaptor.Obviously, make like this serious waste of resources.
The utility model content
In order to solve the aforementioned problems in the prior, the application provides a kind of power supply adapting device, and it comprises: charging network comprises a plurality of charging circuits; Equipment inserts monitoring means, is used for the monitoring charging equipment and whether is connected to described charging network, and send monitor signal when charging equipment is connected to described charging network; Controller inserts in response to described equipment the monitor signal that monitoring means sends, and one of controls in described a plurality of charging circuits to export charging current to described charging equipment; And current detecting unit, the size of the described charging current of detection, wherein, the charging current that described controller detects according to described current detecting unit determines whether to select other charging circuit to export charging current to described charging equipment.
According to the application on the other hand, also provide a kind of equipment to insert monitoring device, it comprises load linkage unit and level roll-over unit, wherein said load linkage unit is provided for connecting the interface of load equipment, when described load equipment inserted described interface, described load linkage unit was to described level roll-over unit output current, so that described level roll-over unit is in response to the electric current of this output, produce the level energizing signal, to export as monitor signal.
The power supply adapting device that utilizes the application to provide can be embodied as the function of multiple (at least two kinds) equipment charge.
Description of drawings
Fig. 1 is the block diagram according to the power supply adapting device of an illustrative embodiments of the application;
Fig. 2 inserts the block diagram of monitoring means according to the equipment of another illustrative embodiments of the application;
Fig. 3 inserts the schematic diagram of monitoring means according to the equipment of an embodiment of the application; And
Fig. 4 is the block diagram according to the power supply adapting device of another illustrative embodiments of the application.
Embodiment
Below, with reference to the accompanying drawings the application's illustrative embodiments is described in detail.
Fig. 1 exemplarily shows the power supply adapting device 1000 according to an execution mode of the application.As shown in Figure 1, power supply adapting device 1000 comprises that controller 100, charging network 200, equipment insert monitoring means 300 and current detecting unit 400, wherein charging network 200 comprises that a plurality of charging circuit 200-1 to 200-N(N are the positive integer more than or equal to 2), charging circuit 200-1 to 200-N is applicable to respectively different charging equipments, to realize the function to the distinct device charging.For example, charging circuit 200-1 is applicable to the charging equipment of the first kind, and charging circuit 200-2 is applicable to the charging equipment of Second Type.
When inserting monitoring means 300, equipment monitors certain charging equipment, for example by inserting interface, when being connected with charging network 200, equipment inserts monitoring means 300 and sends monitor signal to controller 100, controller 100 is in response to this monitor signal, a charging circuit in the charging network 200, for example, charging circuit 200-1 transmits control signal, so that it is started working and provides charging current to charging equipment.
Then, current detecting unit 400 detects this charging circuit 200-1 to the size of current of charging equipment output, and with the result feedback that detects to controller 100.Whether controller 100 is normal according to the testing result judgement charging that receives, to determine whether needing to change other charging circuits as the charging equipment power supply.If it is normal that testing result shows charging, illustrate that current charging circuit 200-1 is the charging circuit of suitable charging equipment, keeps so current charging circuit 200-1 and continues as the charging equipment charging.If it is abnormal that testing result shows charging, change charging circuit, that is, controller 100 cuts off current charging circuit 200-1, and another charging circuit in a plurality of charging circuits sends control signal, so that start working and it is powered to charging equipment.
Then, current detecting unit 400 detects the charging circuit of these current work to the size of current of charging equipment power supply, and with the result feedback that detects to controller 100.Controller 100 repeats above-mentioned operation for charging circuit 200-1 according to the testing result that receives to this charging circuit.By that analogy, until select the normal charging circuit of charging, keep charging.Whether normal for how judging charging, will be described in detail following.
When controller 100 receives the charging current of its detection from current detecting unit 400, with this current value I and the first threshold T that presets
1Compare.If I〉T
1, think that charging is normal.Otherwise, if I≤T
1, think that charging is abnormal.According to the application's a execution mode, T
1Be preferably 100mA ~ 200mA, more preferably 150mA.
If the compare operation by controller 100 draws, the charging current I of all charging circuit 200-1 to 200-N that current detecting unit 400 detects
1~ I
NAll be less than or equal to first threshold T
1, also need further judgement to determine final charging circuit.In this case, according to an execution mode, can select better suited one from charging circuit 200-1 to 200-N, be the charging equipment charging of current connection.
Particularly, the charging current when all charging circuits all is less than or equal to first threshold T
1The time, controller 100 is with the charging current I of all charging circuit 200-1 to 200-N of having detected before current detecting unit 400
1, I
2I
NRespectively with the Second Threshold T that presets
2(T
2＜T
1) compare, be the charging circuit that is not suitable for charging equipment to determine which charging circuit.According to the application's a execution mode, T
2Be preferably 5mA ~ 20mA, more preferably 10mA.
If have charging current greater than Second Threshold T in charging circuit 200-1 to 200-N
2Charging circuit, with charging current greater than Second Threshold T
2All charging circuits as charging circuit to be selected, and select one from charging circuit to be selected, be the charging equipment charging.Concrete selection mode is as described below.
According to an execution mode, controller 100 is selected of charging current maximum from charging circuit to be selected, for the charging equipment charging, that is, transmits control signal to it, so that it is powered to charging equipment.
According to another execution mode, if the charging current I of the charging circuit of current connection (that is, in charging circuit 200-1 to 200-N, last receives control signal with the charging circuit to the charging equipment power supply from controller 100)
LGreater than Second Threshold T
2That is to say, the charging circuit of current connection is in charging circuit to be selected, and controller 100 needs further judgement, in other all charging circuits to be selected of the charging circuit of removing current connection, whether have the satisfied charging circuit with lower inequality of its charging current I:
I>I
L+I
δ
Wherein, I
δBe default electric current allowance.Satisfy with upper inequality if having the charging current of at least one charging circuit, therefrom select the charging current maximum one is the charging equipment charging.If do not have the satisfied charging circuit with upper inequality of its charging current, the charging circuit of keeping current connection continues as the charging equipment charging.I
δEffect be, for the malfunction that can choose enough large charging current value and switch when avoiding switching and reduce the time of switching charging circuit.According to upper inequality, only when the charging current value of another charging circuit is a certain amount of greater than the charging current value of current charging circuit, just can switch.According to the application's a execution mode, I
δBe preferably 5mA ~ 20mA, more preferably 10mA.
If I
1, I
2I
NIn each all be less than or equal to Second Threshold T
2, illustrate that all charging circuit 200-1 to 200-N all do not meet charge condition fully, that is to say, do not comprise the charging circuit of the charging equipment charging that is suitable for current connection in power supply adapting device 1000.At this moment, controller 100 cuts off current charging circuit, and no longer transmits control signal to any charging circuit.
Below will specifically describe an illustrative embodiments inserting monitoring means 300 according to the application's the equipment of realizing on the other hand.
Fig. 2 shows the block diagram that inserts monitoring means 300 according to the equipment of another illustrative embodiments of the application.As shown in Figure 2, equipment insertion monitoring means 300 comprises load connexon unit 310 and level upset subelement 320.Load connexon unit 310 can be provided for connecting the interface of charging equipment, when charging equipment inserts this interface, load connexon unit 310 is to level upset subelement 320 output currents, so that level upset subelement 320 is in response to the electric current of this output, produce the level energizing signal, with as the monitor signal that offers controller 100.In one embodiment, load connexon unit 310 can comprise the first switching circuit 311, and when charging equipment inserted interface, the first switching circuit 311 conductings were with to level upset subelement 320 output currents.Level upset subelement 320 can for example comprise second switch circuit 321, as shown in Figure 3, second switch circuit 321 and the first switching circuit 311 series coupled, wherein, electric current in response to the first switching circuit output, the second switch circuit turn-on, thus make the level of its output port TP overturn, form described level energizing signal.For the sake of clarity, the components and parts such as electric capacity in the circuit and resistance have been omitted in Fig. 3, so that describe.As shown in Figure 3, the first switching circuit 311 and second switch circuit 321 can for example comprise respectively positive-negative-positive triode and NPN type triode, and wherein the collector electrode of positive-negative-positive triode is connected with the base stage of NPN type triode.And the base stage of positive-negative-positive triode is with connected for the interface that is connected charging equipment.When not connecting charging equipment, the collector electrode of the base stage of positive-negative-positive triode and emitter and NPN type triode all remains high level, the grounded emitter of NPN type triode.When charging equipment inserted interface, the current potential of the base stage of positive-negative-positive triode was dragged down, thereby makes this positive-negative-positive triode conducting.Like this, the current potential of the collector electrode of this positive-negative-positive triode will raise, because its base stage with NPN type triode is connected and the grounded emitter of this NPN type triode, institute is so that this NPN type triode conducting, thereby causes the current potential of the collector electrode of this NPN type triode to reduce to low level from high level.This level upset namely can be used as equipment and inserts the monitor signal that monitoring means 300 sends to controller 100.
According to another execution mode of the application, 100 pairs of selections that charging circuit carries out of controller are by utilizing the circuit selected cell to realize.Fig. 4 exemplarily shows the block diagram according to the power supply adapting device of another execution mode of the application.As shown in Figure 4, except controller 100, charging network 200, equipment insert monitoring means 300 and current detecting unit 400, power supply adapting device 1000 ' also comprises circuit selected cell 500.In operation, the control signal that controller 100 sends is directly received by circuit selected cell 500, circuit selected cell 500 is according to the control signal that receives from controller 100, optionally make one and charging equipment conducting in the charging circuit 200-1 to 200-N in charging network 200, thereby be the charging equipment power supply.
The exemplary execution mode of above reference is described the application, should be appreciated that, above-mentioned execution mode should not be considered as the restriction to the application's scope.Those skilled in the art can carry out various modifications and distortion to above-mentioned execution mode under the prerequisite of the spirit and scope that do not depart from the application.The application's protection range is defined by the claims.
Claims (5)
1. a power supply adapting device, is characterized in that, comprising:
Charging network comprises a plurality of charging circuits;
Equipment inserts monitoring means, is used for the monitoring charging equipment and whether is connected to described charging network, and send monitor signal when charging equipment is connected to described charging network;
Controller in response to described monitor signal, one of is controlled in described a plurality of charging circuits to described charging equipment output charging current; And
Current detecting unit, the size of the described charging current of detection,
Wherein, the charging current that detects according to described current detecting unit of described controller determine whether to select other charging circuit to described charging equipment output charging current.
2. power supply adapting device as claimed in claim 1, it is characterized in that, described equipment inserts monitoring means and comprises load connexon unit and level upset subelement, wherein said load connexon unit is provided for connecting the interface of described charging equipment, when described charging equipment inserts described interface, described load connexon unit is to described level upset subelement output current, so that described level upset subelement produces the level energizing signal as described monitor signal in response to the electric current of this output.
3. power supply adapting device as claimed in claim 2, it is characterized in that, described load connexon unit comprises the first switching circuit, when described charging equipment inserts described interface, described the first switching circuit conducting is with the subelement output current that overturns to described level.
4. power supply adapting device as claimed in claim 3, it is characterized in that, described level upset subelement comprises the second switch circuit, described second switch circuit and described the first switching circuit series coupled, wherein, in response to the electric current of described the first switching circuit output, described second switch circuit turn-on, thereby make the level of its output port overturn, to form described level energizing signal.
5. power supply adapting device as claimed in claim 1, is characterized in that, also comprises:
The circuit selected cell according to the control signal that described controller sends, switches described charging equipment and be connected to the charging circuit of selecting from described a plurality of charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268077 CN202978304U (en) | 2012-06-07 | 2012-06-07 | Power adapter apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220268077 CN202978304U (en) | 2012-06-07 | 2012-06-07 | Power adapter apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220742131 Division CN203119514U (en) | 2012-06-07 | 2012-06-07 | Equipment plug-in monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202978304U true CN202978304U (en) | 2013-06-05 |
Family
ID=48519329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220268077 Expired - Fee Related CN202978304U (en) | 2012-06-07 | 2012-06-07 | Power adapter apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202978304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786978A (en) * | 2017-01-24 | 2017-05-31 | 维沃移动通信有限公司 | A kind of charging system and mobile terminal |
-
2012
- 2012-06-07 CN CN 201220268077 patent/CN202978304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786978A (en) * | 2017-01-24 | 2017-05-31 | 维沃移动通信有限公司 | A kind of charging system and mobile terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101963835B (en) | Electronic equipment and method for dynamically allocating USB port power | |
| CN105811506B (en) | Method for charging electronic device and electronic device | |
| CN103181054B (en) | For device, method and the subscriber equipment of powering | |
| US20150234445A1 (en) | Interface expending method and device for tablet computer | |
| US9030152B2 (en) | Charging system and charging method | |
| CN103365388A (en) | Power supply method of terminal device and terminal device | |
| CN203522773U (en) | POE power supply splitter and POE system | |
| CN201781310U (en) | Battery charge control circuit | |
| CN104467109A (en) | Method for supplying power to electronic equipment and electronic equipment | |
| CN101546918A (en) | Device and method for charging USB | |
| CN201039411Y (en) | A mobile phone with self-adapted charging device | |
| CN105762883B (en) | Method and electronic equipment for charging for electronic equipment | |
| CN101127608A (en) | Wireless network adapter over current protection method and device | |
| CN201114602Y (en) | Power consumption control circuit applicable to dual working platform and the mobile phone with this circuit | |
| CN102736995B (en) | Electronic equipment and control method for USB communication module of electronics equipment | |
| CN104485712A (en) | Charging method and electronic equipment | |
| CN202978304U (en) | Power adapter apparatus | |
| CN107942125B (en) | Power utilization testing circuit of built-in battery type electronic product and control method thereof | |
| CN203119514U (en) | Equipment plug-in monitoring device | |
| CN102857719A (en) | Power supply control system and power supply control method | |
| CN107959325B (en) | USB charging system and control method thereof | |
| CN102355535B (en) | Portable electronic equipment and start-up control circuit | |
| CN105762884B (en) | Method for charging electronic device and electronic device | |
| CN105743180B (en) | Method and electronic equipment for charging for electronic equipment | |
| CN106655542A (en) | Wireless charging receiver and method applied to the same |
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: 20130605 Termination date: 20200607 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |