CN219086860U - Small-volume multi-port high-power charger - Google Patents
Small-volume multi-port high-power charger Download PDFInfo
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- CN219086860U CN219086860U CN202223243518.7U CN202223243518U CN219086860U CN 219086860 U CN219086860 U CN 219086860U CN 202223243518 U CN202223243518 U CN 202223243518U CN 219086860 U CN219086860 U CN 219086860U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a small-size multi-port high-power charger, which comprises a main board, wherein one side of the end face of the main board is fixedly connected with an EMI small card, one side of the EMI small card is provided with a planar transformer fixedly connected with the main board, one side of the planar transformer far away from the EMI small card is provided with an output electrolytic capacitor, one side of the output electrolytic capacitor is provided with a DC small card, one side of the DC small card far away from the main board is fixedly connected with an MCU small card, and USB-A, type-C1, type-C2 and Type-C3 are sequentially arranged between the MCU small card and the main board; a horizontal input electrolytic capacitor is arranged between the EMI small card and the DC small card, a PFC inductor is arranged on one side, far away from the planar transformer, of the horizontal input electrolytic capacitor, and an inductor small card is arranged on one side of the PFC inductor.
Description
Technical Field
The utility model relates to the technical field of chargers, in particular to a small-volume multi-port high-power charger.
Background
The charger is a charging device which adopts a high-frequency power supply technology and uses an advanced intelligent dynamic adjustment charging technology. The mobile phone in the modern society has become an indispensable communication tool, and can be carried with more and more people when going out along with the decline of the standby capability of the mobile phone, and the charger has become a necessity for life when people go out.
For business persons who often go on business, it is most annoying to take several chargers, including chargers of mobile phones, tablet computers and notebooks, which greatly increase outgoing burden, and several sockets need to be found for charging when multiple devices need to be charged at the same time.
The number of charging interfaces is small, if the number of the charging interfaces is large, the charging is slow, and most of the charging interfaces are single, the occupied space of the interfaces is large, and further improvement is needed, so that the small-size multi-port high-power charger is provided for solving the problems.
Disclosure of Invention
The utility model aims to provide a small-size multi-port high-power charger so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the small-size multi-port high-power charger comprises a main board, wherein one side of the end face of the main board is fixedly connected with an EMI small card, one side of the EMI small card is provided with a planar transformer fixedly connected with the main board, one side of the planar transformer far away from the EMI small card is provided with an output electrolytic capacitor, one side of the output electrolytic capacitor is provided with a DC small card, one side of the DC small card far away from the main board is fixedly connected with an MCU small card, and USB-A, type-C1, type-C2 and Type-C3 are sequentially arranged between the MCU small card and the main board;
a horizontal input electrolytic capacitor is arranged between the EMI small card and the DC small card, a PFC inductor is arranged on one side, far away from the planar transformer, of the horizontal input electrolytic capacitor, and an inductor small card is arranged on one side of the PFC inductor.
Preferably, the output electrolytic capacitors are four and are fixedly connected with the main board respectively.
Preferably, the input end of the main board reserves the position of the folding pin.
Preferably, the EMI small card is connected with an input wire and an EMI device.
Preferably, the USB-A, type-C1, the Type-C2 and the Type-C3 are respectively and fixedly connected with the DC small card.
Preferably, the inductor and the CBB capacitor are respectively and fixedly connected to the small inductor card.
Compared with the prior art, the utility model has the beneficial effects that: by adopting a laminated design and adopting a planar transformer and an ultra-high integrated chip, the horizontal large electrolytic capacitor greatly saves the internal space and further realizes the overall miniaturization; 4 interfaces that charge, 1 USB-A,3 types-C are had, the demand that different equipment charged simultaneously is satisfied.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
fig. 3 is a diagram of a logical framework of the present utility model.
In the figure: motherboard 1, EMI small card 2, planar transformer 3, horizontal input electrolytic capacitor 4, output electrolytic capacitor 5, MCU small card 6, DC small card 7, PFC inductance 8, inductance small card 9, USB-A10, type-C111, type-C212, type-C313.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1 and 2, a first embodiment of the present utility model provides a small-volume multi-port high-power charger, which includes a main board 1, and is characterized in that: the device comprises a main board 1, an EMI small card 2, a planar transformer 3 fixedly connected with the main board 1, an output electrolytic capacitor 5, a DC small card 7, an MCU small card 6, a USB-A10, a Type-C111, a Type-C212 and a Type-C313, wherein the EMI small card 2 is fixedly connected to one side of the end face of the main board 1, the planar transformer 3 is fixedly connected with the main board 1, the output electrolytic capacitor 5 is arranged on one side of the planar transformer 3, which is far away from the EMI small card 2, the DC small card 7 is fixedly connected with the MCU small card 6 on one side, which is far away from the main board 1, of the planar transformer 7, and USB-A10, type-C111, type-C212 and Type-C313 are sequentially arranged between the MCU small card 6 and the main board 1;
a horizontal input electrolytic capacitor 4 is arranged between the EMI small card 2 and the DC small card 7, a PFC inductor 8 is arranged on one side of the horizontal input electrolytic capacitor 4 away from the planar transformer 3, and an inductance small card 9 is arranged on one side of the PFC inductor 8. The AC input is led to pass through the input end on the main board 1, and the direct-current voltage is formed after the rectification filter circuit of the EMI small card 2; the main path of the planar transformer 3 realizes energy transmission through control and regulation with PWM; the output synchronous rectification circuit forms energy conversion, so that conversion efficiency is improved; the output filter circuit filters the energy transferred by the main circuit of the transformer, so that more stable output is obtained; the MCU of the MCU small card 6 controls the whole circuit; the protocol IC is intelligently connected with the USB-A10, the Type-C111, the Type-C212 and the Type-C313 output ports according to the charging equipment to realize power distribution, so that power output is met, and the purpose of rapid charging is achieved.
Example 2
Referring to fig. 1-3, a second embodiment of the present utility model is based on the previous embodiment, specifically, the output electrolytic capacitors 5 are provided with four and are fixedly connected to the main board 1 respectively. And further, the energy conversion formed by the output synchronous rectification circuit is realized, and the conversion efficiency is improved.
Specifically, the input end of the main board 1 is reserved with a position of a folding pin, so that the folding pin is convenient to set, and input of AC communication is realized.
Specifically, the EMI small card 2 is connected with an input line and an EMI device, and forms a direct current voltage after an input AC rectifying and filtering circuit.
Specifically, USB-A10, type-C111, type-C212, type-C313 all respectively fixed connection DC little card 7. The protocol IC is intelligently connected with the USB-A10, the Type-C111, the Type-C212 and the Type-C313 output ports according to the charging equipment to realize power distribution, so that power output is met, and the purpose of rapid charging is achieved.
Specifically, the inductor and the CBB capacitor are respectively and fixedly connected to the inductor small card 9. The four small boards of the main board 1, the EMI small card 2, the MCU small card 6, the DC small card 7 and the inductance small card 9 are stacked, so that the internal space is greatly saved, and the overall miniaturization is realized.
Example 3
Referring to fig. 1-3, a third embodiment of the present utility model is based on the above two embodiments, and in use, an AC input is passed through an input terminal on a motherboard 1, and a dc voltage is formed after a rectifying and filtering circuit of an EMI small card 2; the main path of the planar transformer 3 realizes energy transmission through control and regulation with PWM; the output synchronous rectification circuit forms energy conversion, so that conversion efficiency is improved; the output filter circuit filters the energy transferred by the main circuit of the transformer, so that more stable output is obtained; the MCU of the MCU small card 6 controls the whole circuit; the protocol IC is intelligently connected with the USB-A10, the Type-C111, the Type-C212 and the Type-C313 output ports according to the charging equipment to realize power distribution, so that power output is met, and the purpose of rapid charging is achieved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a small-size multiport high power charger, includes mainboard (1), its characterized in that: the device is characterized in that one side of the end face of the main board (1) is fixedly connected with an EMI small card (2), one side of the EMI small card (2) is provided with ase:Sub>A planar transformer (3) fixedly connected with the main board (1), one side of the planar transformer (3) away from the EMI small card (2) is provided with an output electrolytic capacitor (5), one side of the output electrolytic capacitor (5) is provided with ase:Sub>A DC small card (7), one side of the DC small card (7) away from the main board (1) is fixedly connected with an MCU small card (6), and USB-A (10), type-C1 (11), type-C2 (12) and Type-C3 (13) are sequentially arranged between the MCU small card (6) and the main board (1);
be equipped with horizontal input electrolytic capacitor (4) between EMI little card (2) and DC little card (7), one side that horizontal input electrolytic capacitor (4) kept away from planar transformer (3) is equipped with PFC inductance (8), one side of PFC inductance (8) is equipped with inductance little card (9).
2. A low volume, multi-port, high power charger as defined in claim 1, wherein: the output electrolytic capacitors (5) are provided with four and are fixedly connected with the main board (1) respectively.
3. A low volume, multi-port, high power charger as defined in claim 1, wherein: the input end of the main board (1) is reserved with the position of the folding pin.
4. A low volume, multi-port, high power charger as defined in claim 1, wherein: and the EMI small card (2) is connected with an input wire and an EMI device.
5. A low volume, multi-port, high power charger as defined in claim 1, wherein: USB-A (10), type-C1 (11), type-C2 (12), type-C3 (13) respectively fixed connection DC little card (7).
6. A low volume, multi-port, high power charger as defined in claim 1, wherein: and the inductor small card (9) is fixedly connected with an inductor and a CBB capacitor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223243518.7U CN219086860U (en) | 2022-12-05 | 2022-12-05 | Small-volume multi-port high-power charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223243518.7U CN219086860U (en) | 2022-12-05 | 2022-12-05 | Small-volume multi-port high-power charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219086860U true CN219086860U (en) | 2023-05-26 |
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ID=86388222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223243518.7U Active CN219086860U (en) | 2022-12-05 | 2022-12-05 | Small-volume multi-port high-power charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219086860U (en) |
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2022
- 2022-12-05 CN CN202223243518.7U patent/CN219086860U/en active Active
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