CN206575202U - A kind of power supply adaptor - Google Patents
A kind of power supply adaptor Download PDFInfo
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- CN206575202U CN206575202U CN201720286112.7U CN201720286112U CN206575202U CN 206575202 U CN206575202 U CN 206575202U CN 201720286112 U CN201720286112 U CN 201720286112U CN 206575202 U CN206575202 U CN 206575202U
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Abstract
The utility model belongs to charging equipment technical field, there is provided a kind of power supply adaptor, charging circuit is connected with AC DC change-over circuits, the input of supply path switching circuit is connected with AC DC change-over circuits, charging circuit respectively, and the output end of supply path switching circuit is connected with first voltage change-over circuit, second voltage change-over circuit respectively；First voltage change-over circuit is connected with notebook interface, and second voltage change-over circuit is connected with USB interface；Charging circuit includes charge-discharge control circuit and battery, and charge-discharge control circuit is connected with AC DC change-over circuits, battery respectively；Electric power management circuit is connected with charge-discharge control circuit, supply path switching circuit, first voltage change-over circuit, second voltage change-over circuit respectively.The utility model solve power supply adaptor output interface it is single the problem of, can also be charged in the environment of no external power source for electronic equipment, improve convenience.
Description
Technical field
The utility model is related to technical field of electronic equipment, and in particular to a kind of power supply adaptor.
Background technology
The portable electric appts such as notebook computer, tablet personal computer, it is more and more general in fields such as business office, daily lifes
And, especially in business office field, business personnel using portable electric appts be client demonstrate, the occasion of explanation also increasingly
It is many.Portable electric appts are typically powered using power supply adaptor to it, and conventional power supply adaptor is used for alternating current
Direct current is converted to, then the direct current for meeting voltage request is supplied electricity into portable product and is powered.
At present, the power interface of portable electric appts there is no unified standard, notebook computer, tablet personal computer and mobile phone etc.
The power supply interface of electronic equipment has differences, and the output interface of power supply adaptor is relatively simple, and it is only single electricity
Sub- equipment is powered；Meanwhile, under the environmental condition for not possessing external power source, power supply adaptor can not be carried out to electronic equipment
Power supply, causes portable electric appts can not normal work.
Utility model content
For defect of the prior art, the utility model provides a kind of power supply adaptor, it is intended to solve in the prior art
The output interface of power supply adaptor is more single, and in the case of no external power source, it is impossible to it is powered for electronic equipment
The problem of.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
A kind of power supply adaptor, including AC-DC change-over circuits, first voltage change-over circuit, charging circuit, supply path are cut
Change circuit, electric power management circuit and second voltage change-over circuit；
The charging circuit is connected with the AC-DC change-over circuits, the input difference of the supply path switching circuit
It is connected with the AC-DC change-over circuits, the charging circuit, the output end of the supply path switching circuit is respectively with described
One voltage conversion circuit, second voltage change-over circuit connection；
The first voltage change-over circuit is connected with notebook interface, and the second voltage change-over circuit is connected with USB and connect
Mouthful；
The charging circuit include charge-discharge control circuit and battery, the charge-discharge control circuit respectively with it is described
AC-DC change-over circuits, battery connection；The electric power management circuit respectively with the charge-discharge control circuit, the power supply road
Footpath switching circuit, the first voltage change-over circuit, second voltage change-over circuit connection.
As a kind of perferred technical scheme, the supply path switching circuit includes voltage detecting circuit and voltage output
Circuit, the voltage detecting circuit connects the output end and the charge-discharge control circuit of the AC-DC change-over circuits respectively
Output end, the voltage follower circuit is connected with the voltage detecting circuit.
As a kind of perferred technical scheme, the first voltage change-over circuit includes first voltage regulation circuit and first
Voltage protection circuit, the first voltage regulation circuit connects the output end connection of the voltage follower circuit, first electricity
Voltage protection circuit is connected with the voltage regulator circuit, the output end of the first voltage protection circuit and the notebook interface
Connection.
As a kind of perferred technical scheme, the second voltage change-over circuit includes second voltage regulation circuit and second
Voltage protection circuit, output end of the second voltage regulation circuit with being connected the voltage follower circuit, the second voltage
Protection circuit is connected with second voltage regulation circuit, output end and the USB interface of the second voltage protection circuit
Connection.
As a kind of perferred technical scheme, the notebook interface is provided with conversion head, the conversion head and the notes
This interface is detachably connected, and the conversion head includes the notebook conversion head of some specifications.
As a kind of perferred technical scheme, the power supply adaptor is also configured with display screen, the display screen with it is described
Electric power management circuit is connected.
Due to using above technical scheme, the utility model has the advantages that：
A kind of power supply adaptor, including AC-DC change-over circuits, first voltage change-over circuit, charging circuit, supply path are cut
Change circuit, electric power management circuit and second voltage change-over circuit；Charging circuit is connected with AC-DC change-over circuits, and supply path is cut
The input for changing circuit is connected with AC-DC change-over circuits, charging circuit respectively, the output end of supply path switching circuit respectively with
First voltage change-over circuit, the connection of second voltage change-over circuit；First voltage change-over circuit is connected with notebook interface, the second electricity
Voltage conversion circuit is connected with USB interface；Charging circuit includes charge-discharge control circuit and battery, charge-discharge control circuit difference
Be connected with AC-DC change-over circuits, battery, electric power management circuit respectively with charge-discharge control circuit, supply path switching circuit,
First voltage change-over circuit, the connection of second voltage change-over circuit；Based on above structure, the utility model when in use, utilizes confession
Direct current can be output to first voltage change-over circuit and second voltage change-over circuit by power path switching circuit, utilize the second electricity
Direct current after regulation can be output to USB interface by voltage conversion circuit, and energy storage can be carried out using charging circuit, not possessed
Supply path switching circuit is powered during external power source.
Supply path switching circuit includes voltage detecting circuit and voltage follower circuit, and voltage detecting circuit is connected respectively
The output end of AC-DC change-over circuits and the output end of charge-discharge control circuit, voltage follower circuit are connected with voltage detecting circuit；
The utility model when in use, can be to the voltage of the output ends of AC-DC change-over circuits and the output end of charge-discharge control circuit
After being detected, it is output in subsequent conditioning circuit.
First voltage change-over circuit includes first voltage and adjusts circuit and first voltage protection circuit, first voltage regulation electricity
The output end connection of road connection voltage follower circuit, first voltage protection circuit is connected with voltage regulator circuit, and first voltage is protected
The output end of protection circuit is connected with notebook interface, and when in use, adjusting circuit using first voltage can be by for the utility model
It is output in notebook interface, voltage, electric current can be detected using first voltage protection circuit after voltage-regulation conversion
And protection.
Second voltage change-over circuit includes second voltage and adjusts circuit and second voltage protection circuit, second voltage regulation electricity
Road and the output end for being connected voltage follower circuit, second voltage protection circuit are connected with second voltage regulation circuit, second voltage
The output end of protection circuit and the connection of USB interface, when in use, adjusting circuit using second voltage can be by for the utility model
It is output in USB interface, voltage, electric current can be detected and protected using second voltage protection circuit after voltage-regulation conversion
Shield.
Notebook interface is provided with conversion head, and conversion head is detachably connected with notebook interface, and conversion head includes some specifications
Notebook conversion head, the utility model when in use, using the connected mode being detachably connected be easy to conversion head carry out more
Change, be easy to select corresponding conversion head to enter to exercise according to the charging inlet of different size using the notebook conversion head of some specifications
With improving the convenience used.
Power supply adaptor is also configured with display screen, and display screen is connected with electric power management circuit, the utility model when in use,
Battery electric quantity, temperature, charging and discharging state can be shown using display screen, USB interface output voltage, electric current can be shown, may be used also
To show notebook interface output voltage, electric current, and malfunction and failure state, it is easy to user more to understand intuitively
Solve the running status of current production.
In summary, the utility model is provided simultaneously with notebook interface and USB interface, solves the output of power supply adaptor
The problem of interface is more single, in the case of no external power source, normally can be powered for electronic equipment, without because
Find external power source and it is worried, improve the convenience used.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, it is similar
Element or part are general by similar reference mark.In accompanying drawing, each element or part might not be according to actual ratios
Draw.
Fig. 1 is electrical block diagram of the present utility model；
Fig. 2 is the electrical block diagram of the utility model supply path switching circuit；
In accompanying drawing, 1, AC-DC change-over circuits, 2, first voltage change-over circuit, 21, first voltage regulation circuit, 22, first
Voltage protection circuit, 3, charging circuit, 31, charge-discharge control circuit, 32, battery, 4, supply path switching circuit, 41, electricity
Pressure detection circuit, 42, voltage follower circuit, 5, electric power management circuit, 6, second voltage change-over circuit, 61, second voltage regulation
Circuit, 62, second voltage protection circuit, 7, display screen, 8, notebook interface, 9, USB interface.
Embodiment
The technical solution of the utility model is described in detail below in conjunction with embodiment.Following examples are only used for
Clearly illustrate the technical solution of the utility model, therefore be only used as example, and the utility model can not be limited with this
Protection domain.
As shown in Figure 1-2, a kind of power supply adaptor, including AC-DC change-over circuits 1, first voltage change-over circuit 2, charging
Circuit 3, supply path switching circuit 4, electric power management circuit 5 and second voltage change-over circuit 6；
Charging circuit 3 is connected with AC-DC change-over circuits 1, and the input of supply path switching circuit 4 turns with AC-DC respectively
Change circuit 1, charging circuit 3 to connect, the output end of supply path switching circuit 4 is electric with first voltage change-over circuit 2, second respectively
Voltage conversion circuit 6 is connected；
First voltage change-over circuit 2 is connected with notebook interface 8, and second voltage change-over circuit 6 is connected with USB interface 9；
Charging circuit 3 includes charge-discharge control circuit 31 and battery 32, and charge-discharge control circuit 31 turns with AC-DC respectively
Change circuit 1, battery 32 to connect, electric power management circuit 5 connects with first voltage change-over circuit 2, second voltage change-over circuit 6 respectively
Connect；
Wherein, electric power management circuit 5 is using model STM32F051 single-chip microcomputer, built-in temperature sensor, voltage sensor
Device, current sensor and bus management interface, the voltage of the output of AC-DC change-over circuits 1, the electricity of battery 32 can be monitored in real time
Amount, charged state, discharge condition, voltage, the electric current of the output of notebook interface 8, voltage, the electric current of the output of USB interface 9；Work as prison
The function that fail safe can be started when measuring any one module appearance exception is protected to single unit system.
The utility model is provided simultaneously with notebook interface 8 and USB interface 9, solve the output interface of power supply adaptor compared with
For it is single the problem of, in the case of no external power source, normally can be powered for electronic equipment, without because finding outer
Portion's power supply and it is worried, improve the convenience used.
Wherein, in the utility model, supply path switching circuit 4 includes voltage detecting circuit 41 and voltage follower circuit
42；Voltage detecting circuit 41 connects the output end of AC-DC change-over circuits 1 and the output end of charge-discharge control circuit 31 respectively, electricity
Voltage follower circuit 42 is connected with voltage detecting circuit 41, can be to the output end and charge-discharge control circuit of AC-DC change-over circuits 1
After the voltage of 31 output end is detected, it is output in subsequent conditioning circuit.
First voltage change-over circuit 2 includes first voltage and adjusts circuit 21 and first voltage protection circuit 22, first voltage
The output end connection of the connection voltage follower circuit 42 of circuit 21 is adjusted, first voltage protection circuit 22 connects with voltage regulator circuit
Connect, the output end of first voltage protection circuit 22 is connected with notebook interface 8, adjusting circuit 21 using first voltage can be by electricity
It is output in notebook interface 8, voltage, electric current can be detected using first voltage protection circuit 22 after pressure regulation conversion
And protection.
Second voltage change-over circuit 6 includes second voltage and adjusts circuit 61 and second voltage protection circuit 62, second voltage
Output end of the circuit 61 with being connected voltage follower circuit 42 is adjusted, second voltage protection circuit 62 adjusts circuit 61 with second voltage
Connection, the output end of second voltage protection circuit 62 and the connection of USB interface 9, adjusting circuit 61 using second voltage can be by
It is output in USB interface 9, voltage, electric current can be detected using second voltage protection circuit 62 after voltage-regulation conversion
And protection.
Notebook interface 8 is provided with conversion head, and conversion head is detachably connected with notebook interface 8, and conversion head includes some rule
The notebook conversion head of lattice, is easy to change conversion head using the connected mode being detachably connected, and is changed in the present embodiment
Head is plugged in notebook interface 8, is easy to be selected according to the charging inlet of different size using the notebook conversion head of some specifications
Select corresponding conversion head to be used, improve the convenience used；Notebook interface 8 is the company built in two in the present embodiment
Interface, one end of notebook conversion head is provided with two connectors being engaged with notebook interface 8, and the other end is provided with and notebook
The charging connector that is engaged of charging inlet, the notebook conversion head of different size includes eight common types, specific size
For 3.5*1.35,4.0*1.7,4.5*1.7,5.5*1.7,5.5*2.1,5.5*2.5,6.3*3.0,6.0*4.0, unit is milli
Rice, naturally it is also possible to using the adapter of other types or size, will not be described here.
Power supply adaptor is also configured with display screen 7, and display screen 7 is connected with electric power management circuit 5, can be with using display screen 7
Battery electric quantity, temperature, charging and discharging state are shown, the output voltage of USB interface 9, electric current can be shown, can also show that notebook connects
8 output voltages of mouth, electric current, and malfunction and failure state, are easy to user more clearly to get information about current production
Running status, certainly, the display screen 7 can use LCDs 7.
Based on said structure, the course of work for the power supply adaptor that the utility model is provided is：
Civil power enters after AC-DC change-over circuits 1, is obtained by rectifying and wave-filtering, oscillating switch circuit, decompression, rectification output
The DC voltage of 24V constant pressures, in the case where civil power is persistently inputted, 24V constant voltage DCs electricity can be continuously provided to charging circuit 3 and
Supply path switching circuit 4, electric power management circuit 5 is detected from first voltage protection circuit 22 or second voltage protection circuit 62
24V constant voltage DCs electricity is present, and selects the output end power taking from AC-DC change-over circuits 1；24V constant voltage DCs electricity is to charging electricity simultaneously
Charged on road 3；In the case of no civil power, electric power management circuit 5 is protected from first voltage protection circuit 22 or second voltage
Protection circuit 62 can't detect the electricity presence of 24V constant voltage DCs, select the output end power taking from charging circuit 3.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (6)
1. a kind of power supply adaptor, including AC-DC change-over circuits and first voltage change-over circuit, it is characterised in that：The power supply
Adapter also includes charging circuit, supply path switching circuit, electric power management circuit and second voltage change-over circuit；
The charging circuit is connected with the AC-DC change-over circuits, the input of the supply path switching circuit respectively with institute
AC-DC change-over circuits, charging circuit connection are stated, the output end of the supply path switching circuit is electric with described first respectively
Voltage conversion circuit, second voltage change-over circuit connection；
The first voltage change-over circuit is connected with notebook interface, and the second voltage change-over circuit is connected with USB interface；
The charging circuit include charge-discharge control circuit and battery, the charge-discharge control circuit respectively with the AC-DC
Change-over circuit, battery connection；The electric power management circuit respectively with the charge-discharge control circuit, the supply path
Switching circuit, the first voltage change-over circuit, second voltage change-over circuit connection.
2. a kind of power supply adaptor according to claim 1, it is characterised in that：The supply path switching circuit includes electricity
Pressure detection circuit and voltage follower circuit, the voltage detecting circuit connect respectively the AC-DC change-over circuits output end and
The output end of the charge-discharge control circuit, the voltage follower circuit is connected with the voltage detecting circuit.
3. a kind of power supply adaptor according to claim 2, it is characterised in that：The first voltage change-over circuit includes the
One voltage regulator circuit and first voltage protection circuit, the first voltage regulation circuit connect the defeated of the voltage follower circuit
Go out end connection, the first voltage protection circuit is connected with the voltage regulator circuit, the first voltage protection circuit it is defeated
Go out end to be connected with the notebook interface.
4. a kind of power supply adaptor according to Claims 2 or 3, it is characterised in that：The second voltage change-over circuit bag
Second voltage regulation circuit and second voltage protection circuit are included, the second voltage regulation circuit is with being connected the voltage output electricity
The output end on road, the second voltage protection circuit is connected with second voltage regulation circuit, the second voltage protection electricity
The output end on road and the connection of the USB interface.
5. a kind of power supply adaptor according to claim 1, it is characterised in that：The notebook interface is provided with conversion head,
The conversion head is detachably connected with the notebook interface, and the conversion head includes the notebook conversion head of some specifications.
6. a kind of power supply adaptor according to claim 1, it is characterised in that：The power supply adaptor is also configured with display
Screen, the display screen is connected with the electric power management circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286112.7U CN206575202U (en) | 2017-03-22 | 2017-03-22 | A kind of power supply adaptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720286112.7U CN206575202U (en) | 2017-03-22 | 2017-03-22 | A kind of power supply adaptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206575202U true CN206575202U (en) | 2017-10-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720286112.7U Active CN206575202U (en) | 2017-03-22 | 2017-03-22 | A kind of power supply adaptor |
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| Country | Link |
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| CN (1) | CN206575202U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634568A (en) * | 2017-10-26 | 2018-01-26 | 南宁市浩发科技有限公司 | A kind of power supply adaptor |
-
2017
- 2017-03-22 CN CN201720286112.7U patent/CN206575202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634568A (en) * | 2017-10-26 | 2018-01-26 | 南宁市浩发科技有限公司 | A kind of power supply adaptor |
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