CN208955883U - A kind of adapter - Google Patents
A kind of adapter Download PDFInfo
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- CN208955883U CN208955883U CN201821325709.9U CN201821325709U CN208955883U CN 208955883 U CN208955883 U CN 208955883U CN 201821325709 U CN201821325709 U CN 201821325709U CN 208955883 U CN208955883 U CN 208955883U
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Abstract
This application discloses a kind of adapter, adapter includes at least first circuit board, second circuit board, tertiary circuit plate and transformer；First circuit board includes voltage input circuit；Second circuit board includes voltage follower circuit；Tertiary circuit plate includes voltage control circuit；Transformer is coupled with voltage input circuit and voltage follower circuit respectively, and voltage control circuit is coupled with voltage input circuit and voltage follower circuit respectively；The voltage control circuit is used to acquire the voltage signal of the voltage follower circuit output, and controls the voltage input circuit according to the voltage signal.Circuit is divided into three voltage input circuit, voltage control circuit and voltage follower circuit parts by the adapter of the application, is individually placed on three pieces of circuit boards, be can reduce the volume of adapter, improves the power density of adapter.
Description
Technical field
This application involves charging equipment fields, more particularly to a kind of adapter.
Background technique
With the development of consumer electronics product, the power supply adaptor and charger of small size are following trend.It is common
Power supply adaptor layout be all only one piece of circuit board, all devices are all placed on one piece of circuit board, and such layout needs
Want a large amount of space.There are also some power supply adaptors can use two pieces of circuit boards, one piece of circuit-board laying-out high-tension circuit, one block of electricity
Road plate is laid out low-voltage circuit, is connected by transformer, can make full use of some spaces in this way, reduces some volumes, but this
The power density of kind scheme does not accomplish very greatly, there is very much limitation yet.
That is, adapter power density is smaller and volume is larger now in technology.
Summary of the invention
The application is mainly solving the technical problems that providing a kind of adapter, can be improved the power density of adapter and subtracting
The volume of small adapter.
In order to solve the above technical problems, first technical solution that the application uses is: a kind of adapter is provided, it is described suitable
Orchestration includes at least first circuit board, second circuit board, tertiary circuit plate and transformer；The first circuit board includes voltage
Input circuit, the voltage input circuit with external power supply for connecting；The second circuit board includes voltage follower circuit, institute
Voltage follower circuit is stated for connecting with external electrical equipment；The tertiary circuit plate includes voltage control circuit；The transformation
Device is coupled with the voltage input circuit and the voltage follower circuit respectively, the voltage control circuit respectively with the voltage
Input circuit and voltage follower circuit coupling；The voltage control circuit is used to acquire the voltage follower circuit output
Voltage signal, and the voltage input circuit is controlled according to the voltage signal.
Wherein, the voltage control circuit is opto-coupled feedback circuit.
Wherein, the first circuit board and the second circuit board are by the transformer bay every setting.
Wherein, the first circuit board is arranged in parallel with the second circuit board, and the tertiary circuit plate is located at described the
Between one circuit board and the second circuit board, it is vertically arranged with the first circuit board and the second circuit board.
Wherein, the tertiary circuit plate is connect with the edge of the first circuit board and the second circuit board respectively, institute
It states first circuit board, second circuit board and tertiary circuit plate and forms a receiving portion to accommodate the transformer.
Wherein, the transformer is coupled with voltage input circuit and the voltage follower circuit respectively by pin.
Wherein, the tertiary circuit plate is connected with the first circuit board by board to board connector, the tertiary circuit
Plate is connected with the second circuit board by board to board connector.
Wherein, the first circuit board is equipped with first interface, and the first interface is connect with the voltage input circuit,
The first interface with external power supply for connecting；The input voltage range of the first interface is 90V-264V.
Wherein, the second circuit board is equipped with second interface, and the second interface is connect with the voltage follower circuit,
The second interface is used to power to external equipment.
Wherein, the second interface is Type-c interface.
The beneficial effect of the application is: being different from the prior art, circuit is divided into voltage input electricity by the adapter of the application
Three road, voltage control circuit and voltage follower circuit parts, are individually placed on three pieces of circuit boards.On the one hand, circuit board point
At three pieces, three pieces of circuit board rational deployment can effectively utilize space, reduce the volume of adapter；On the other hand, by
It is divided into three pieces in circuit, is placed on different circuit boards, the influence of circuit board to each other can be effectively reduced, and can
Using secondary side feedback circuit, the power density of adapter is greatly improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the application adapter；
Fig. 2 is the electrical block diagram of Fig. 1 adapter.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of the application protection.
Adapter provided by the present application includes at least first circuit board, second circuit board, tertiary circuit plate and transformer；
First circuit board includes voltage input circuit, and voltage input circuit with external power supply for connecting；Second circuit board includes voltage
Output circuit, voltage follower circuit with external electrical equipment for connecting；Tertiary circuit plate includes voltage control circuit；Transformer
Coupled respectively with voltage input circuit and voltage follower circuit, voltage control circuit respectively with voltage input circuit and voltage output
Circuit coupling；Voltage control circuit is used for the voltage signal of collection voltages output circuit output, and controls electricity according to voltage signal
Press input circuit.
In order to illustrate the specific structure and circuit connecting mode of present embodiment adapter, refering to fig. 1 and Fig. 2, Fig. 1 are these
Apply for the structural schematic diagram of one embodiment of adapter, Fig. 2 is the electrical block diagram of Fig. 1 adapter.
The adapter of present embodiment includes at least first circuit board 11, second circuit board 12, third combined with Figure 1 and Figure 2,
Circuit board 13 and transformer 14.The circuit of adapter includes voltage input circuit 111, voltage follower circuit 121 and voltage
Control circuit 131.In other embodiments, adapter also may include 4,5 or more circuit boards, the segmentation of circuit
Fractional numbers determine that the application is not construed as limiting this according to the number of circuit board.
In present embodiment, first circuit board 11 includes voltage input circuit 111, i.e. the layout of voltage input circuit 111 exists
On first circuit board 11, voltage input circuit 111 with external power supply for connecting.Second circuit board 12 includes voltage follower circuit
121, i.e. on second circuit board 12, voltage follower circuit 121 is used to connect with external electrical equipment the layout of voltage follower circuit 121
It connects.Tertiary circuit plate 13 includes voltage control circuit 131, i.e. the layout of voltage control circuit 131 is in tertiary circuit plate 13.Transformer
14 connect with voltage input circuit 111 and voltage follower circuit 121 respectively, and voltage control circuit 131 is electric with voltage input respectively
Road 111 and voltage follower circuit 121 couple.Voltage input circuit 111 first adjusts to the voltage of external power input, then
By being input to voltage follower circuit 121 after 14 transformation of transformer, the voltage after transformation is supplied to outer by voltage follower circuit 121
Connect electrical equipment use.Voltage control circuit 131 includes master chip, and voltage control circuit 131 is used for collection voltages output circuit
Signal is simultaneously fed back to master chip by 121 voltage signal, and master chip controls voltage input circuit 111 according to the signal received,
The voltage and current that voltage follower circuit 121 is protected by adjusting the power that voltage input circuit 111 inputs meets external electricity consumption and sets
Standby requirement.
In present embodiment, first circuit board 11 be equipped with 112 (not shown in figure 1) of first interface, first interface 112 with
Voltage input circuit 111 connects, and first interface 112 is connect with external power supply, and voltage input circuit 111 passes through first interface 112
It is connect with external power supply.For example, first interface 12 is a two-pin plug or triangle plug, the socket for being inserted into power supply can be obtained
Power supply.Voltage input circuit 111 includes rectifier 1111, when external power supply is to 112 input AC electricity of first interface, rectifier
1111 by AC conversion be direct current.Certainly, first interface 112 can also directly connect with the external power supply for providing direct current
It connects.The input voltage range of first interface 112 is 90V-264V, and in other embodiments, external power supply is to first interface 112
The voltage range of input may be other numerical value, determine as the case may be, and the application is not construed as limiting this.
In present embodiment, second circuit board 12 be equipped with 122 (not shown in figure 1) of second interface, second interface 122 with
Voltage follower circuit 121 connects, and second interface 122 is used to power to external equipment.Further, second interface 122 is Type-
C interface.
In present embodiment, first circuit board 11 and second circuit board 12 are arranged by the interval of transformer 14.First circuit
Plate 11 is arranged in parallel with second circuit board 12, and tertiary circuit plate 13 is between first circuit board 11 and second circuit board 12, and
Three-circuit plate 13 is vertically arranged with first circuit board 11 and second circuit board 12.Tertiary circuit plate 13 respectively with first circuit board 11
It is connected with the edge of second circuit board 12, first circuit board 11, second circuit board 12 and tertiary circuit plate 13 form a receipts
Appearance portion is to accommodate transformer 14.Since first circuit board 11, second circuit board 12 and tertiary circuit plate 13 form a receiving
Portion accommodates transformer 14, and the gap between circuit board is rationally utilized, reduces the volume of adapter；In addition, on circuit board
Three parts circuit is connected with each other, and layout is mutually indepedent, is greatly reduced the interference of mutual electromagnetism.
Further, transformer 14 is coupled with voltage input circuit 111 and voltage follower circuit 121 respectively by pin.
Tertiary circuit plate 13 is connected with first circuit board 11 by board to board connector, and tertiary circuit plate 13 and second circuit board 12 pass through
Board to board connector connection.Voltage control circuit 131 is opto-coupled feedback circuit, in other embodiments, voltage control circuit
131 may be other feed circuits.Firstly, since tertiary circuit plate 13 and first circuit board 11 and second circuit board 12 are equal
It is connected by board to board connector, additional connection stand is not needed between circuit board.Secondly as tertiary circuit plate 13 is
Between one circuit board 11 and second circuit board 12, signal is directly fed back to tertiary circuit plate 13 by second circuit board 12, is solved
Feedback loop too long problem.In addition, can break through the function of primary side feedback using the secondary side feedbacks circuit such as opto-coupled feedback circuit
The limitation of rate density, improves the power density of adapter.
In a specific embodiment, voltage input circuit 111 is high input voltage circuit, voltage input circuit 111
High-voltage electricity is obtained from external power supply by first interface 112.Voltage input circuit 111 is connect with the primary coil of transformer 14,
High-voltage electricity is reduced to low tension by transformer 14 and is exported from the secondary coil of transformer 14.Voltage follower circuit 121 is low
Voltage follower circuit, voltage input circuit 111 is connect with the secondary coil of transformer 14 obtains low tension, and outside as needed
It connects electrical equipment and exports different voltage and currents.Voltage control circuit 131 is high voltage control sections and feedback fraction, voltage control
Circuit 131 processed is connect with voltage input circuit 111 and voltage follower circuit 121 respectively, and voltage control circuit 131 can be according to electricity
The output voltage for the voltage real-time compensation voltage input circuit 111 that voltage follower circuit 121 exports.Since three circuits are in three pieces of shapes
At on three-dimensional circuit board, rational deployment is effectively reduced the volume of adapter.Since voltage control circuit 131 can basis
The output voltage for the voltage real-time compensation voltage input circuit 111 that voltage follower circuit 121 exports, ensure that the steady of output voltage
It is fixed, and for traditional inverse-excitation type switch power-supply, it can reduce small in size, and maximum power density can be accomplished
25W/inch3 is 2.5 times of regular tap power supply or more.That is, the adapter of the application, although only regular handset
The volume of charger size can also give the charging such as plate and laptop, easily carry, promote user experience.
Be different from the prior art, the adapter of the application by circuit be divided into voltage input circuit, voltage control circuit and
Three parts of voltage follower circuit, are individually placed on three pieces of circuit boards.On the one hand, circuit board is divided into three pieces, three pieces of circuit boards
Rational deployment can effectively utilize space, reduce the volume of adapter；On the other hand, it since circuit is divided into three pieces, puts
It sets on different circuit boards, the influence of circuit board to each other can be effectively reduced, and secondary side feedback circuit can be used, greatly
The power density of width raising adapter.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of adapter, which is characterized in that the adapter includes at least first circuit board, second circuit board, tertiary circuit
Plate and transformer；The first circuit board includes voltage input circuit, and the voltage input circuit is used to connect with external power supply
It connects；The second circuit board includes voltage follower circuit, and the voltage follower circuit with external electrical equipment for connecting；It is described
Tertiary circuit plate includes voltage control circuit；
The transformer is coupled with the voltage input circuit and the voltage follower circuit respectively, the voltage control circuit point
It is not coupled with the voltage input circuit and the voltage follower circuit；The voltage control circuit is defeated for acquiring the voltage
The voltage signal of circuit output out, and the voltage input circuit is controlled according to the voltage signal.
2. adapter according to claim 1, which is characterized in that the voltage control circuit is opto-coupled feedback circuit.
3. adapter according to claim 1, which is characterized in that the first circuit board passes through with the second circuit board
The transformer bay is every setting.
4. adapter according to claim 3, which is characterized in that the first circuit board is parallel with the second circuit board
Setting, the tertiary circuit plate between the first circuit board and the second circuit board, with the first circuit board and
The second circuit board is vertically arranged.
5. adapter according to claim 3 or 4, which is characterized in that the tertiary circuit plate is electric with described first respectively
Road plate is connected with the edge of the second circuit board, and the first circuit board, second circuit board and tertiary circuit plate form one
A receiving portion is to accommodate the transformer.
6. adapter according to claim 1 or 3, which is characterized in that the transformer is defeated with voltage respectively by pin
Enter circuit and voltage follower circuit coupling.
7. adapter according to claim 1, which is characterized in that the tertiary circuit plate and the first circuit board pass through
Board to board connector connection, the tertiary circuit plate are connected with the second circuit board by board to board connector.
8. adapter according to claim 1, the first circuit board is equipped with first interface, the first interface and institute
Voltage input circuit connection is stated, the first interface with external power supply for connecting；The input voltage range of the first interface
For 90V-264V.
9. adapter according to claim 1 or 2, the second circuit board is equipped with second interface, the second interface
It is connect with the voltage follower circuit, the second interface is used to power to external equipment.
10. adapter according to claim 9, the second interface is Type-c interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325709.9U CN208955883U (en) | 2018-08-16 | 2018-08-16 | A kind of adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325709.9U CN208955883U (en) | 2018-08-16 | 2018-08-16 | A kind of adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208955883U true CN208955883U (en) | 2019-06-07 |
Family
ID=66734037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821325709.9U Active CN208955883U (en) | 2018-08-16 | 2018-08-16 | A kind of adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208955883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391687A (en) * | 2019-09-05 | 2019-10-29 | 安克创新科技股份有限公司 | Charger |
-
2018
- 2018-08-16 CN CN201821325709.9U patent/CN208955883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391687A (en) * | 2019-09-05 | 2019-10-29 | 安克创新科技股份有限公司 | Charger |
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