CN102830304B - Many power input - Google Patents
Many power input Download PDFInfo
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- CN102830304B CN102830304B CN201210284601.0A CN201210284601A CN102830304B CN 102830304 B CN102830304 B CN 102830304B CN 201210284601 A CN201210284601 A CN 201210284601A CN 102830304 B CN102830304 B CN 102830304B
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- pin position
- input
- grafting
- detecting pin
- input end
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Abstract
The present invention discloses a kind of many power input, comprises first input end, the second input terminal, processing unit and on-off circuit.First input end is in order to grafting AC transformer or battery.Second input terminal is in order to grafting direct supply.Processing unit has the first detecting pin position and second and detects pin position.On-off circuit couples the first detecting pin position, the second detecting pin position, first input end and the second input terminal.Wherein, when first input end is by grafting, on-off circuit is opened, and makes processing unit judge the sub-grafting AC transformer of first input end or battery according to the first detecting pin position and the second voltage quasi position detecting pin position.Wherein, when the second input terminal grafting direct supply, on-off circuit cuts out with electrical isolation first input end.Many power input of the present invention can distinguish the power supply input that also Auto-Sensing is different.
Description
Technical field
The invention relates to a kind of many power input, particularly relate to a kind of many power input that can distinguish the power supply input that also Auto-Sensing is different.
Background technology
Electronic installation on the market often can run into the puzzlement of no electricity on using; even if or twine again the power lead of people with various heaviness; but relate to the problems such as different voltage, different socket and distinct interface and inapplicable, therefore meet with the awkward situation of power supply deficiency again and again.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of many power input, can distinguish the power supply input that also Auto-Sensing is different.
According to the first aspect of this exposure, propose a kind of many power input, comprise first input end, the second input terminal, processing unit and on-off circuit.First input end is in order to grafting AC transformer or battery.Second input terminal is in order to grafting direct supply.Processing unit has the first detecting pin position and second and detects pin position.On-off circuit couples the first detecting pin position, the second detecting pin position, first input end and the second input terminal.Wherein, when first input end is by grafting, on-off circuit is opened, and makes processing unit judge the sub-grafting AC transformer of first input end or battery according to the first detecting pin position and the second voltage quasi position detecting pin position.Wherein, when the second input terminal grafting direct supply, on-off circuit cuts out with electrical isolation first input end.
As optional technical scheme, this first input end is close with this second input terminal, and when making this second input terminal by this direct supply grafting, this direct supply at least part blocks this first input end.
As optional technical scheme, this first input end is close with this second input terminal, and when making this first input end by this AC transformer or this battery grafting, this AC transformer or this battery at least part block this second input terminal.
As optional technical scheme, this first detecting pin position and this second to detect pin position be universal input output pin position.
As optional technical scheme, when this first input end with this second input terminal not by grafting time, this first detecting pin position and this second detect pin position and be designated as high voltage level.
As optional technical scheme, this on-off circuit comprises: transistor, has first end, the first control end and the second end, and first end is coupled to this first input end and first detects pin position with this, first control end is coupled to this first input end, and the second end is coupled to a ground voltage; And switch, have the 3rd end, the 4th end and the second control end, the 3rd end is coupled to this first input end, and the 4th end is coupled to this second input terminal and system end, and the second control end is coupled to this first detecting pin position.
As optional technical scheme, this AC transformer has grounding leg position; When this this direct supply of the second input terminal grafting, this high voltage level of this first detecting pin position closes this switch, and this direct supply is electrically connected to this system end; When this battery of the sub-grafting of this first input end, this transistor turns, this the first detecting pin position transfers low voltage level to, this switch opens, this battery is electrically connected to this system end, this the second detecting pin position maintains this high voltage level, and this processing unit judges this battery of the sub-grafting of this first input end according to this first detecting pin position and this second voltage quasi position detecting pin position; When this AC transformer of the sub-grafting of this first input end, this transistor turns, this the first detecting pin position transfers this low voltage level to, this switch opens, this AC transformer is electrically connected to this system end, this second detecting pin position be electrically connected to this AC transformer this grounding leg position and transfer this low voltage level to, this processing unit according to this first detecting pin position and this second voltage quasi position detecting pin position judge this AC transformer of the sub-grafting of this first input end
Compared with prior art, many power input of the present invention, utilize on-off circuit and mechanical interferences, therefore are distinguished the power supply input that also Auto-Sensing is different.
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawings about the advantages and spirit of the present invention.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of the many power input according to an embodiment.
Fig. 2 illustrates the partial structure schematic diagram of the many power input according to an embodiment.
Fig. 3 illustrates the circuit diagram of the on-off circuit according to an embodiment.
Embodiment
Many power input proposed by the invention, utilize on-off circuit and mechanical interferences, therefore are distinguished the power supply input that also Auto-Sensing is different.
Please refer to Fig. 1, it illustrates the schematic diagram of the many power input according to an embodiment.Many power input 100 comprise the sub-J1 of first input end, the second input terminal J2, processing unit 110 and on-off circuit 120.The sub-J1 of first input end is in order to grafting AC transformer (AC adaptor) or battery.Second input terminal J2 is in order to grafting direct supply.Processing unit 110 has the first detecting pin position P1 and second and detects pin position P2.First detecting pin position P1 and second detects pin position P2 such as universal input exports (general purposeI/O, GPIO) pin position.On-off circuit 120 couples the first detecting pin position P1, the second detecting pin position P2, the sub-J1 of first input end and the second input terminal J 2.
The sub-J1 of first input end and the second input terminal J2 is close to configuring, and as shown in Figure 2 but be not limited thereto, Fig. 2 illustrates the partial structure schematic diagram of the many power input according to an embodiment.In Fig. 2, when the second input terminal J2 is by direct supply grafting, based on mechanical interferences, direct supply can block or at least part blocks the sub-J1 of first input end, makes the sub-J1 of first input end cannot by AC transformer or the grafting of battery institute; When the sub-J1 of first input end is by AC transformer or battery grafting, based on mechanical interferences, AC transformer or battery can block or at least part blocks the second input terminal J2, make the second input terminal J2 cannot by the grafting of direct supply institute.In addition, when the sub-J1 of first input end and the second input terminal J2 is not by grafting, the first detecting pin position P1 and second detects pin position P2 and is designated as high voltage level High.
In many power input 100, when the sub-J1 of first input end is by grafting, on-off circuit 120 is opened, and the voltage quasi position making processing unit 110 detect pin position P2 according to the first detecting pin position P1 and second judges first input end J1 grafting AC transformer or battery.When the second input terminal J2 grafting direct supply, on-off circuit 120 cuts out with the sub-J1 of electrical isolation first input end.Please refer to Fig. 3, it illustrates the circuit diagram of the on-off circuit according to an embodiment.On-off circuit 120 comprises transistor Q and interrupteur SW.Transistor Q has first end, the first control end and the second end, and first end is coupled to first input end J1 and first and detects pin position P1, and the first control end is coupled to the sub-J1 of first input end, and the second end is coupled to ground voltage GND.Interrupteur SW has the 3rd end, the 4th end and the second control end, and the 3rd end is coupled to the sub-J1 of first input end, and the 4th end is coupled to the second input terminal J2 and system end S, and the second control end is coupled to the first detecting pin position P1.
When the second input terminal J2 grafting direct supply, any power supply input of the non-grafting of the sub-J1 of first input end.Now, the high voltage level closing switch SW of the first detecting pin position P1 is with the sub-J1 of electrical isolation first input end, and direct supply is electrically connected to system end S through the second input terminal J2.Thus, the total system of many power input 100 just can Auto-Sensing to and distinguish that current power supply is input as direct supply.
When first input end J1 grafting battery, any power supply input of the non-grafting of the second input terminal J2.Now, transistor Q conducting, the first detecting pin position P1 transfers low voltage level to, and interrupteur SW is opened, and battery is electrically connected to system end S through the sub-J1 of first input end, and the second detecting pin position P2 maintains high voltage level.The voltage quasi position (high voltage level) that processing unit 110 detects pin position P2 according to the voltage quasi position (low voltage level) and second that first detects pin position P1 judges that the power supply of first input end J1 institute grafting is input as battery.Thus, the total system of many power input 100 just can Auto-Sensing to and distinguish that current power supply is input as battery.
AC transformer has in fact grounding leg position.When first input end J1 grafting AC transformer, any power supply input of the non-grafting of the second input terminal J2.Now, transistor Q conducting, the first detecting pin position P1 transfers low voltage level to, and interrupteur SW is opened, AC transformer is electrically connected to system end S through the sub-J1 of first input end, and the second detecting pin position P2 is electrically connected to the grounding leg position of AC transformer and transfers low voltage level to.The voltage quasi position (low voltage level) that processing unit 110 detects pin position P2 according to the voltage quasi position (low voltage level) and second that first detects pin position P1 judges that the power supply of first input end J1 institute grafting is input as AC transformer.Thus, the total system of many power input 100 just can Auto-Sensing to and distinguish that current power supply is input as AC transformer.
In fact, the processing unit 110 of many power input 100 can be detected the voltage quasi position Auto-Sensing of pin position P2 according to the first detecting pin position P1 and second and distinguish that current power supply is input as direct supply, battery or AC transformer, as shown in table 1, but be not limited to this.
Table 1
| First detecting pin position P1 | Second detecting pin position P2 | Power supply inputs |
| Low voltage level | Low voltage level | AC transformer |
| Low voltage level | High voltage level | Battery |
| High voltage level | High voltage level | Direct supply |
Many power input disclosed by this exposure above-described embodiment, utilize simple mechanical interferences, and utilize on-off circuit to judge the voltage quasi position of different detecting pin position, namely can distinguish the power supply input that also Auto-Sensing is different.
In sum, although the present invention discloses as above with multiple embodiment, so itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on the claim person of defining.
Claims (5)
1. a power input more than, is characterized in that comprising:
First input end, in order to grafting AC transformer or battery;
Second input terminal, in order to grafting direct supply;
Processing unit, has the first detecting pin position and second and detects pin position; And
On-off circuit, couples this first detecting pin position, this second detecting pin position, this first input end and this second input terminal;
Wherein, this first input end is close with this second input terminal, and when making this first input end by this AC transformer or this battery grafting, this AC transformer or this battery at least part block this second input terminal; When this second input terminal is by this direct supply grafting, this direct supply at least part blocks this first input end, and when this first input end is by grafting, this on-off circuit is opened, and makes this processing unit judge this AC transformer of the sub-grafting of this first input end or this battery according to this first detecting pin position and this second voltage quasi position detecting pin position; When this this direct supply of the second input terminal grafting, this on-off circuit cuts out with this first input end of electrical isolation.
2. many power input as claimed in claim 1, it is characterized in that this first detecting pin position and this second to detect pin position be universal input output pin position.
3. many power input as claimed in claim 1, it is characterized in that when this first input end with this second input terminal not by grafting time, this first detecting pin position and this second detect pin position and be designated as high voltage level.
4. many power input as claimed in claim 3, is characterized in that this on-off circuit comprises:
Transistor, has first end, the first control end and the second end, and first end is coupled to this first input end and first detect pin position with this, and it is sub that the first control end is coupled to this first input end, and the second end is coupled to ground voltage; And
Switch, has the 3rd end, the 4th end and the second control end, and the 3rd end is coupled to this first input end, and the 4th end is coupled to this second input terminal and system end, and the second control end is coupled to this first detecting pin position.
5. many power input as claimed in claim 4, is characterized in that this AC transformer has grounding leg position;
When this this direct supply of the second input terminal grafting, the high voltage level of this first detecting pin position closes this switch, and this direct supply is electrically connected to this system end;
When this battery of the sub-grafting of this first input end, this transistor turns, this the first detecting pin position transfers low voltage level to, this switch opens, this battery is electrically connected to this system end, this the second detecting pin position maintains high voltage level, and this processing unit judges this battery of the sub-grafting of this first input end according to this first detecting pin position and this second voltage quasi position detecting pin position;
When this AC transformer of the sub-grafting of this first input end, this transistor turns, this the first detecting pin position transfers low voltage level to, this switch opens, this AC transformer is electrically connected to this system end, this the second detecting pin position is electrically connected to this grounding leg position of this AC transformer and transfers low voltage level to, and this processing unit judges this AC transformer of the sub-grafting of this first input end according to this first detecting pin position and this second voltage quasi position detecting pin position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284601.0A CN102830304B (en) | 2012-08-10 | 2012-08-10 | Many power input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210284601.0A CN102830304B (en) | 2012-08-10 | 2012-08-10 | Many power input |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102830304A CN102830304A (en) | 2012-12-19 |
| CN102830304B true CN102830304B (en) | 2015-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210284601.0A Expired - Fee Related CN102830304B (en) | 2012-08-10 | 2012-08-10 | Many power input |
Country Status (1)
| Country | Link |
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| CN (1) | CN102830304B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108833858B (en) * | 2018-03-29 | 2021-01-26 | 中磊电子股份有限公司 | Video doorbell system |
| CN114137266A (en) * | 2021-10-11 | 2022-03-04 | 昆山丘钛微电子科技股份有限公司 | Separable power supply circuit board, test tool and adapter plate |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315163A (en) * | 1980-09-16 | 1982-02-09 | Frank Bienville | Multipower electrical system for supplying electrical energy to a house or the like |
| CN2768281Y (en) * | 2004-11-20 | 2006-03-29 | 郴州市东塘电气设备有限公司 | Intelligent dual power automatic switching box |
| CN1853328A (en) * | 2003-08-15 | 2006-10-25 | 美国能量变换公司 | Uninterruptible power supply |
| CN201107346Y (en) * | 2007-10-22 | 2008-08-27 | 北京机电院高技术股份有限公司 | Multifunctional crest voltage meter dual power supply apparatus |
| CN101471681A (en) * | 2007-12-28 | 2009-07-01 | 希姆通信息技术（上海）有限公司 | Wireless communication module and automatic switchover method of double power supply thereof |
| CN101714778A (en) * | 2009-11-22 | 2010-05-26 | 苏州佳世达电通有限公司 | Power supply switching device |
| CN102104263A (en) * | 2009-12-17 | 2011-06-22 | 台达电子工业股份有限公司 | High voltage direct current uninterruptible power supply system with multiple input power sources |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000243842A (en) * | 1999-02-19 | 2000-09-08 | Nec Corp | Multi-power supply protective circuit |
-
2012
- 2012-08-10 CN CN201210284601.0A patent/CN102830304B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4315163A (en) * | 1980-09-16 | 1982-02-09 | Frank Bienville | Multipower electrical system for supplying electrical energy to a house or the like |
| CN1853328A (en) * | 2003-08-15 | 2006-10-25 | 美国能量变换公司 | Uninterruptible power supply |
| CN2768281Y (en) * | 2004-11-20 | 2006-03-29 | 郴州市东塘电气设备有限公司 | Intelligent dual power automatic switching box |
| CN201107346Y (en) * | 2007-10-22 | 2008-08-27 | 北京机电院高技术股份有限公司 | Multifunctional crest voltage meter dual power supply apparatus |
| CN101471681A (en) * | 2007-12-28 | 2009-07-01 | 希姆通信息技术（上海）有限公司 | Wireless communication module and automatic switchover method of double power supply thereof |
| CN101714778A (en) * | 2009-11-22 | 2010-05-26 | 苏州佳世达电通有限公司 | Power supply switching device |
| CN102104263A (en) * | 2009-12-17 | 2011-06-22 | 台达电子工业股份有限公司 | High voltage direct current uninterruptible power supply system with multiple input power sources |
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|---|---|
| CN102830304A (en) | 2012-12-19 |
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