CN214626409U - Charging device - Google Patents
Charging device Download PDFInfo
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- CN214626409U CN214626409U CN202120124616.5U CN202120124616U CN214626409U CN 214626409 U CN214626409 U CN 214626409U CN 202120124616 U CN202120124616 U CN 202120124616U CN 214626409 U CN214626409 U CN 214626409U
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Abstract
The utility model relates to a charger, which comprises a housin, be provided with the circuit board in the casing, be provided with circuit module on the circuit board, circuit module total input end is provided with the plug, circuit module total output end is provided with the interface that charges, the plug exposes from the casing with the interface that charges, the circuit board is three at least independent, and the connection between each independent circuit board is put through with wire and/or electronic components, each circuit module sets up respectively on independent circuit board, each independent circuit board is located the different planes in space, make circuit board and circuit module pile up in a cubical space, charger compact structure, the volume reduces, portable and use.
Description
Technical Field
The utility model relates to a charger of cell-phone.
Background
The existing charger comprises a shell, wherein a plug and an output interface are arranged on the shell, a circuit board is arranged in the shell, circuit modules such as voltage transformation, rectification, filtering and output protocol management are arranged on the circuit board, the general input end of each circuit module is connected with the plug and is used for connecting commercial power, and the general output end of each circuit module is connected with the output interface and is used for providing converted low-voltage direct current for the outside.
However, the circuit board of the charger is usually a single PCB, and after the circuit modules are arranged on the circuit board, the circuit module occupies a large breadth space, and the whole charger is large in size after being wrapped by the shell, so that the charger is inconvenient to carry and use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a charger is provided, which has a compact internal structure and a smaller and more compact size.
The utility model provides a technical scheme that its technical problem adopted is:
the charger comprises a shell, wherein a circuit board is arranged in the shell, a circuit module is arranged on the circuit board, a plug is arranged at the main input end of the circuit module, a charging interface is arranged at the main output end of the circuit module, the plug and the charging interface are exposed out of the shell, the circuit board comprises at least three independent circuit boards including a first circuit board, a second circuit board and a third circuit board, the circuit module is respectively arranged on the first circuit board, the second circuit board and the third circuit board, the connection between the independent circuit boards is communicated through a wire and/or an electronic component, and the first circuit board, the second circuit board and the third circuit board are positioned on different planes in space.
Furthermore, the circuit module comprises a rectifying and filtering circuit, a control circuit, an optical coupler and an output management circuit, wherein the rectifying and filtering circuit and the control circuit are arranged on the first circuit board, the optical coupler is arranged on the second circuit board, and the output management circuit is arranged on the third circuit board;
the input end of the rectification filter circuit is connected with the plug and is used for connecting a mains supply and converting the mains supply into direct current; the electronic component comprises a switch transformer, the input end of the switch transformer is connected with the rectifying and filtering circuit, and the output end of the switch transformer is connected with the output management circuit and used for reducing voltage; the output end of the output management circuit is connected with the charging interface, and is used for rectifying and filtering the output of the switch transformer and supplying power to the charging interface according to a preset charging protocol;
the control circuit is connected with the switch transformer and is used for controlling the input end of the switch transformer to form pulsating direct current so as to realize voltage reduction of the switch transformer;
the output management circuit, the optical coupler and the control circuit are sequentially connected and used for feeding back the output of the output management circuit to the control circuit, and the control circuit adjusts the duty ratio of the pulsating direct current at the input end of the switching transformer according to a feedback signal sent by the optical coupler.
Furthermore, the planes of the first circuit board and the third circuit board are arranged in parallel, the second circuit board is located between the first circuit board and the third circuit board, the plane of the second circuit board is perpendicular to the planes of the first circuit board and the third circuit board, and the second circuit board is located at the end part of the same side of the first circuit board and the third circuit board.
The utility model has the advantages that: the charger is characterized in that at least three independent circuit boards are arranged in the shell, each circuit module is arranged on the independent circuit boards respectively, and each independent circuit board is positioned on different planes in the space, so that the circuit boards and the circuit modules thereof are stacked in a three-dimensional space.
Drawings
Fig. 1 is a schematic perspective view of a circuit structure in a housing according to an embodiment of the charger of the present invention;
fig. 2 is a schematic block circuit diagram of an embodiment of the charger of the present invention;
the reference signs are: the circuit comprises a first circuit board 1, a rectifying and filtering circuit 11, a control circuit 12, a second circuit board 2, a third circuit board 3 and a switch transformer 4.
Detailed Description
The invention will be further described with reference to the following figures and examples:
typical examples are as follows:
the charger comprises a shell, wherein a circuit board is arranged in the shell, a circuit module is arranged on the circuit board, a plug is arranged at the main input end of the circuit module, a charging interface is arranged at the main output end of the circuit module, the plug and the charging interface are exposed out of the shell, the circuit board comprises at least three independent circuit boards including a first circuit board 1, a second circuit board 2 and a third circuit board 3, the circuit module is respectively arranged on the first circuit board 1, the second circuit board 2 and the third circuit board 3, the connection among the independent circuit boards is communicated with a lead and/or an electronic component, and the first circuit board 1, the second circuit board 2 and the third circuit board 3 are located on different planes in space.
The charger is provided with a shell which is the same as the charger in the prior art, a circuit board is arranged in the shell, and various circuit modules are arranged on the circuit board; the plug is connected with the main input end of the circuit module and is exposed out of the shell for connecting with the commercial power; the output interface is connected with the main output end of the circuit module, and is exposed out of the shell and used for supplying power to external equipment, for example, the output interface is connected with a charging wire and then charges the mobile phone.
The shell is internally provided with at least three independent circuit boards, such as a first circuit board 1, a second circuit board 2 and a third circuit board 3 shown in figure 1. Each electronic component is distributed on three circuit boards to form a circuit module with certain functions, such as a voltage transformation module, a rectification module, charging protocol management and the like.
The connection between each independent circuit board is connected by wires and/or electronic components, so that each independent circuit board can be distributed on different planes in space according to requirements, for example, two circuit boards are vertically distributed or distributed at a certain included angle in space.
The two circuit boards can be vertically arranged after being connected by a flexible lead or a bent lead, for example; or the two circuit boards can be communicated by adopting electronic components, for example, different pins of a resistor and different pins of a switch transformer are communicated; the two circuit boards can be coupled and connected by adopting electronic components, for example, a phototriode is arranged on one circuit, an LED arranged on the other circuit board is close to the phototriode, and the two circuit boards are coupled and connected to realize the circuit function.
Preferably, as in the embodiment shown in fig. 1, the first circuit board 1 and the third circuit board 3 are disposed in parallel in a plane, the second circuit board 2 is located between the first circuit board 1 and the third circuit board 3, the plane of the second circuit board 2 is perpendicular to the plane of the first circuit board 1 and the plane of the third circuit board 3, and the second circuit board 2 is located at an end position of the same side of the first circuit board 1 and the third circuit board 3.
In terms of space, the first circuit board 1, the second circuit board 2 and the third circuit board 3 are in a door shape, some components with larger sizes, such as capacitors, inductors, voltage transformation devices and the like, can be arranged in the door-shaped internal space, the circuit boards and the components are integrally in a cube shape with a compact structure, and after the circuit boards and the components are arranged in the shell, the cube charger with a compact structure can be formed.
Obviously, more independent circuit boards can be arranged, for example, four independent circuit boards, five independent circuit boards, etc., and each circuit board can be spatially and adaptively arranged to facilitate the shape optimization or volume reduction of the charger, for example, five circuit boards are erected to form a regular pentagon layout.
The circuit design in the prior art can be used by connecting the independent circuit boards of the charger through flexible wires, or the following can be adopted preferably:
the circuit module comprises a rectifying and filtering circuit 11, a control circuit 12, an optical coupler and an output management circuit, wherein the rectifying and filtering circuit 11 and the control circuit 12 are arranged on the first circuit board 1, the optical coupler is arranged on the second circuit board 2, and the output management circuit is arranged on the third circuit board 3;
the input end of the rectifying and filtering circuit 11 is connected with the plug and is used for connecting with a mains supply and converting into direct current; the electronic component comprises a switch transformer 4, the input end of the switch transformer 4 is connected with the rectifying and filtering circuit 11, and the output end of the switch transformer 4 is connected with the output management circuit and used for reducing voltage; the output end of the output management circuit is connected with the charging interface, and is used for rectifying and filtering the output of the switch transformer 4 and supplying power to the charging interface according to a preset charging protocol;
the control circuit 12 is connected with the switch transformer 4 and is used for controlling the pulsating direct current formed at the input end of the switch transformer 4 so as to realize the voltage reduction of the switch transformer 4;
the output management circuit, the optical coupler and the control circuit 12 are sequentially connected and used for feeding back the output of the output management circuit to the control circuit 12, and the control circuit 12 adjusts the duty ratio of the pulsating direct current at the input end of the switch transformer 4 according to a feedback signal sent by the optical coupler.
As shown in fig. 2, the rectifying and filtering circuit 11 and the control circuit 12 are disposed on the first circuit board 1, the optical coupler is disposed on the second circuit board 2, the output management circuit is disposed on the third circuit board 3, and three circuit boards may be spatially disposed in different planes according to requirements, for example, may be in a layout like a Chinese character 'men' as shown in fig. 1.
The input end of the rectifying and filtering circuit 11 is the main input end of the charger, the connecting plug is used for inputting the commercial power, and then the commercial power is converted into direct current by the rectifying and filtering circuit 11 and is sent to the switch transformer 4. For example, bridge rectification, capacitor filter circuits, etc. are used; the control circuit 12 is used for controlling the pulsating direct current formed at the input end of the switching transformer 4, for example, a field effect transistor is used for controlling the on-off of the input end of the switching transformer 4 to form the pulsating direct current.
The output management circuit is used for rectifying and filtering the output of the switch transformer 4 again, detecting the electric equipment connected to the charging interface, matching the charging protocol and inputting correct current and voltage to the charging interface. A typical output management circuit, for example, an output management circuit formed by an MX5480 charging protocol control chip of the mesdisi semiconductor company, integrates functions of rectification filtering, charging protocol management, and the like, and is further connected to an optical coupler to feed back an output signal to the control circuit 12.
The control circuit 12 adjusts the duty ratio of the pulsating direct current at the input end of the switching transformer 4 according to the signal transmitted by the optical coupler, and further adjusts the output voltage, for example, a control circuit composed of an MX6911 control chip of the mesdisi semiconductor company, when the output voltage of the output management circuit is higher, the MX6911 control chip receives higher feedback, and then the duty ratio of the pulsating direct current is reduced, and further the 4 output voltage of the switching transformer is reduced; when the output voltage of the output management circuit is low, the MX6911 control chip receives low feedback, the duty ratio of the pulsating direct current is increased, and then the 4 output voltage of the switching transformer is increased.
The input end of the switch transformer 4 is connected with the rectifying and filtering circuit 11, and the output end of the switch transformer 4 is connected with the output management circuit, namely, the switch transformer 4 connects the first circuit board 1 and the third circuit board 3. The output end of the output management circuit is connected with a charging interface, such as a USB interface, a Type-C interface and the like.
Claims (3)
1. The charger comprises a shell, wherein a circuit board is arranged in the shell, a circuit module is arranged on the circuit board, a plug is arranged at the main input end of the circuit module, a charging interface is arranged at the main output end of the circuit module, the plug and the charging interface are exposed out of the shell, and the charger is characterized in that the circuit board comprises at least three independent circuit boards including a first circuit board (1), a second circuit board (2) and a third circuit board (3), the circuit modules are respectively arranged on the first circuit board (1), the second circuit board (2) and the third circuit board (3), the connection among the independent circuit boards is communicated through wires and/or electronic components, and the first circuit board (1), the second circuit board (2) and the third circuit board (3) are located on different planes in space.
2. The charger according to claim 1, characterized in that said circuit module comprises a rectifying and filtering circuit (11), a control circuit (12), an optical coupler and an output management circuit, said rectifying and filtering circuit (11) and control circuit (12) being arranged on said first circuit board (1), said optical coupler being arranged on a second circuit board (2), said output management circuit being arranged on said third circuit board (3);
the input end of the rectification filter circuit (11) is connected with the plug and is used for connecting a mains supply and converting the mains supply into direct current; the electronic components comprise a switch transformer (4), the input end of the switch transformer (4) is connected with the rectifying and filtering circuit (11), and the output end of the switch transformer (4) is connected with the output management circuit and used for reducing voltage; the output end of the output management circuit is connected with the charging interface, and is used for rectifying and filtering the output of the switch transformer (4) and supplying power to the charging interface according to a preset charging protocol;
the control circuit (12) is connected with the switch transformer (4) and is used for controlling the pulsating direct current formed at the input end of the switch transformer (4) to realize voltage reduction of the switch transformer (4);
the output management circuit, the optical coupler and the control circuit (12) are sequentially connected and used for feeding back the output of the output management circuit to the control circuit (12), and the control circuit (12) adjusts the duty ratio of the pulsating direct current at the input end of the switching transformer (4) according to a feedback signal sent by the optical coupler.
3. Charger according to claim 1 or 2, characterized in that the first circuit board (1) and the third circuit board (3) are arranged in parallel in the plane, the second circuit board (2) is located between the first circuit board (1) and the third circuit board (3), the plane of the second circuit board (2) is perpendicular to the plane of the first circuit board (1) and the third circuit board (3), and the second circuit board (2) is located at the end position of the same side of the first circuit board (1) and the third circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120124616.5U CN214626409U (en) | 2021-01-18 | 2021-01-18 | Charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120124616.5U CN214626409U (en) | 2021-01-18 | 2021-01-18 | Charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214626409U true CN214626409U (en) | 2021-11-05 |
Family
ID=78437123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120124616.5U Active CN214626409U (en) | 2021-01-18 | 2021-01-18 | Charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214626409U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114256927A (en) * | 2021-12-22 | 2022-03-29 | 湖南炬神电子有限公司 | Small-size GaN super charger |
| CN114267972A (en) * | 2021-11-30 | 2022-04-01 | 杭州云电科技能源有限公司 | Synchronous rectification assembly, manufacturing method thereof and power supply |
-
2021
- 2021-01-18 CN CN202120124616.5U patent/CN214626409U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114267972A (en) * | 2021-11-30 | 2022-04-01 | 杭州云电科技能源有限公司 | Synchronous rectification assembly, manufacturing method thereof and power supply |
| CN114256927A (en) * | 2021-12-22 | 2022-03-29 | 湖南炬神电子有限公司 | Small-size GaN super charger |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211227 Address after: No. 288, section 4, Wenquan Avenue, Chengdu cross strait science and Technology Industrial Development Park, Wenjiang District, Chengdu, Sichuan 611130 Patentee after: SICHUAN PISEN ELECTRONICS Co.,Ltd. Address before: 518173 No.9, Qinfu 1st Street, Jintang Industrial Zone, Liuyue niushipu village, Henggang Town, Longgang District, Shenzhen City, Guangdong Province Patentee before: GUANGDONG PISEN ELECTRONICS Co.,Ltd. |