CN204131375U - A kind of power supply adaptor - Google Patents
A kind of power supply adaptor Download PDFInfo
- Publication number
- CN204131375U CN204131375U CN201420616075.8U CN201420616075U CN204131375U CN 204131375 U CN204131375 U CN 204131375U CN 201420616075 U CN201420616075 U CN 201420616075U CN 204131375 U CN204131375 U CN 204131375U
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- voltage
- current signal
- electrical appliance
- circuit
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Abstract
The utility model relates to technology of instrument and meter field, disclose a kind of power supply adaptor, comprise input interface and output interface, input interface and output interface are connected with control unit, input interface connects voltage conversion circuit, voltage conversion circuit changes external input voltage into multiple-channel output voltage, output interface comprises signal acquisition circuit and current-limiting circuit, output interface connects electrical appliance equipment, the predetermined current signal of electrical appliance equipment is gathered by Acquisition Circuit, according to the predetermined current signal collected, be the output voltage that predetermined current signal is corresponding by control unit control voltage transfer circuit by voltage transition, by the output voltage of current-limiting circuit according to correspondence, current signal is limited in the scope of predetermined current signal, and then achieve power supply adaptor can be general, thus decrease the technique effect of potential safety hazard.
Description
Technical field
The utility model relates to technology of instrument and meter field, particularly relates to a kind of power supply adaptor.
Background technology
Along with the development of science and technology, increasing electrical appliance enters the life of people, most household electrical appliance are all the direct current safe voltages using below 37V, and civil power input is 220V or 110V AC power, therefore, household electrical appliance are all furnished with power supply adaptor, due to different for the rated voltage needed for different electrical appliances, therefore, as a rule, a kind of power supply adaptor can not general all electrical appliances, but each electrical appliance is furnished with oneself special power supply adaptor, thus cause great potential safety hazard, due in some cases, user adopts the power supply adaptor of other electrical appliances to charge to this electrical appliance, because rated voltage is not mated, thus add the hidden danger of fire and personal safety aspect.
Utility model content
The utility model embodiment, by providing a kind of power supply adaptor, solves the technical problem that power supply adaptor in prior art can not be general, so achieve power supply adaptor can be general, thus decrease the technique effect of potential safety hazard.
The utility model provides a kind of power supply adaptor, comprise input interface and output interface, input interface and output interface are connected with control unit, input interface connects voltage conversion circuit, voltage conversion circuit changes external input voltage into multiple-channel output voltage, output interface comprises signal acquisition circuit and current-limiting circuit, output interface connects electrical appliance equipment, the predetermined current signal of electrical appliance equipment is gathered by Acquisition Circuit, according to the predetermined current signal collected, be the output voltage that predetermined current signal is corresponding by control unit control voltage transfer circuit by voltage transition, by the output voltage of current-limiting circuit according to correspondence, current signal is limited in the scope of predetermined current signal.
Further, output interface comprises the first communication module connecting electrical appliance, first communication module electrical connection electrical appliance functional circuit, can be communicated with electrical appliance functional circuit, be gathered the predetermined current signal of electrical appliance by Acquisition Circuit by first communication module.
Further, input interface comprises second communication module, and first communication module can communicate with second communication module, and first communication module sends the supply power voltage needed for electrical appliance to second communication module.
The one or more technical schemes provided in the utility model embodiment, at least have following technique effect or advantage:
Owing to have employed connection control device between input interface in power supply adaptor and output interface, input interface connects voltage conversion circuit, voltage conversion circuit changes external input voltage into multiple-channel output voltage, output interface comprises signal acquisition circuit and current-limiting circuit, output interface connects electrical appliance equipment, the predetermined current signal of electrical appliance equipment is gathered by Acquisition Circuit, according to the predetermined current signal collected, be the output voltage that predetermined current signal is corresponding by control unit control voltage transfer circuit by voltage transition, by the output voltage of current-limiting circuit according to correspondence, current signal is limited in the scope of predetermined current signal, and then solve the technical problem that power supply adaptor in prior art can not be general, and then achieve power supply adaptor can be general, thus decrease the technique effect of potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the module diagram of power supply adaptor in the utility model embodiment.
Embodiment
The utility model embodiment, by providing a kind of power supply adaptor, solves the technical problem that power supply adaptor in prior art can not be general, so achieve power supply adaptor can be general, thus decrease the technique effect of potential safety hazard.
In order to solve the technical problem that above-mentioned power supply adaptor can not be general, below in conjunction with Figure of description and concrete execution mode, technique scheme is described in detail.
The utility model provides a kind of power supply adaptor, as described in Figure 1, comprise input interface 101 and output interface 102, input interface 101 and output interface 102 are connected with control unit 103, input interface 101 connects voltage conversion circuit 104, voltage conversion circuit 104 changes external input voltage into multiple-channel output voltage, output interface 102 comprises signal acquisition circuit 1021 and current-limiting circuit 1022, output interface 102 connects electrical appliance equipment, the predetermined current signal of electrical appliance equipment is gathered by signal acquisition circuit 1021, according to the predetermined current signal collected, be the output voltage that predetermined current signal is corresponding by control unit 103 control voltage translation circuit 104 by voltage transition, by the output voltage of current-limiting circuit 1022 according to correspondence, current signal is limited in the scope of predetermined current signal.
In a particular embodiment, output interface 102 comprises the first communication module 1023 connecting electrical appliance, first communication module 1023 is electrically connected electrical appliance functional circuit, can communicate with electrical appliance functional circuit, be gathered the predetermined current signal of electrical appliance by Acquisition Circuit 1021 by first communication module 1023.
Input interface 101 comprises second communication module 1011, and first communication module 1023 can communicate with second communication module 1011, and first communication module 1023 sends the supply power voltage needed for electrical appliance to second communication module 1011.
By above-mentioned technical scheme, effectively output voltage and electric current can be controlled by this power supply adaptor, thus can adaptive most of power consumption equipment, become universal power supply adaptor, avoid and existingly to set off an explosion when using the power supply adaptor of different configuration, or the accident such as fire.
Although described preferred embodiment of the present utility model, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the utility model scope.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (3)
1. a power supply adaptor, it is characterized in that, comprise input interface and output interface, input interface and output interface are connected with control unit, input interface connects voltage conversion circuit, voltage conversion circuit changes external input voltage into multiple-channel output voltage, output interface comprises signal acquisition circuit and current-limiting circuit, output interface connects electrical appliance equipment, the predetermined current signal of electrical appliance equipment is gathered by Acquisition Circuit, according to the predetermined current signal collected, be the output voltage that predetermined current signal is corresponding by control unit control voltage transfer circuit by voltage transition, by the output voltage of current-limiting circuit according to correspondence, current signal is limited in the scope of predetermined current signal.
2. power supply adaptor according to claim 1, it is characterized in that, output interface comprises the first communication module connecting electrical appliance, first communication module electrical connection electrical appliance functional circuit, can communicate with electrical appliance functional circuit, be gathered the predetermined current signal of electrical appliance by Acquisition Circuit by first communication module.
3. power supply adaptor according to claim 2, is characterized in that, input interface comprises second communication module, and first communication module can communicate with second communication module, and first communication module sends the supply power voltage needed for electrical appliance to second communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616075.8U CN204131375U (en) | 2014-10-23 | 2014-10-23 | A kind of power supply adaptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420616075.8U CN204131375U (en) | 2014-10-23 | 2014-10-23 | A kind of power supply adaptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131375U true CN204131375U (en) | 2015-01-28 |
Family
ID=52387695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420616075.8U Expired - Fee Related CN204131375U (en) | 2014-10-23 | 2014-10-23 | A kind of power supply adaptor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204131375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269995A (en) * | 2014-10-23 | 2015-01-07 | 成都卓微科技有限公司 | Power adapter |
-
2014
- 2014-10-23 CN CN201420616075.8U patent/CN204131375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269995A (en) * | 2014-10-23 | 2015-01-07 | 成都卓微科技有限公司 | Power adapter |
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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: 20150128 Termination date: 20151023 |
|
| EXPY | Termination of patent right or utility model |