CN215817626U - High-low voltage isolated quick charger - Google Patents
High-low voltage isolated quick charger Download PDFInfo
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- CN215817626U CN215817626U CN202122349264.6U CN202122349264U CN215817626U CN 215817626 U CN215817626 U CN 215817626U CN 202122349264 U CN202122349264 U CN 202122349264U CN 215817626 U CN215817626 U CN 215817626U
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Abstract
The utility model discloses a high-low voltage isolated quick charger which comprises a surface cover plate, a rear shell, a high-voltage circuit board, a low-voltage circuit board, a USB socket, a Type-C socket and two vertical circuit boards, wherein the surface cover plate is connected with the rear shell through a buckle, two inner side walls of the top of the rear shell are respectively provided with a first clamping groove, two inner side walls of the bottom of the rear shell are respectively provided with a second clamping groove, two side ends of the high-voltage circuit board are respectively inserted into the first clamping grooves, and two side ends of the low-voltage circuit board are respectively inserted into the second clamping grooves. The high-voltage circuit board is inserted into the first clamping groove in the top of the rear shell, the low-voltage circuit board is inserted into the second clamping groove in the bottom of the rear shell, so that a space is reserved between the high-voltage circuit board and the low-voltage circuit board to form high-low voltage isolation, and meanwhile, the isolation cover is arranged between the USB socket and the Type-C socket, so that the use safety of the charger is effectively improved, the overall structure is convenient to assemble, and the production efficiency of products is effectively improved.
Description
Technical Field
The utility model relates to the field of chargers, in particular to a high-low voltage isolated quick-charging charger.
Background
The charger is a static converter which converts alternating current with constant voltage and frequency into direct current by adopting a power electronic semiconductor device. In the design of a conventional charger, a single PCB is usually adopted for an internal charger circuit, that is, all circuit elements are integrated on one PCB, so that the size of the PCB is difficult to meet the goal of miniaturization design in order to take efficiency and heat dissipation into consideration, and the space utilization rate in the charger is low.
In the prior art, in order to reduce the size, a more common method in the market is an implementation mode of improving an internal circuit of a charger, and the conventional charger generally adopts a combined structure of a plurality of PCB boards to replace a traditional single PCB structure, so that the internal circuit structure of the charger is more compact, and the size of the charger is reduced. However, compared with a single PCB structure, the charger with the combined structure of the multiple PCBs has a difficulty in isolating the high-voltage circuit boards and the low-voltage circuit boards of the multiple PCBs, which brings potential safety hazards to the use of the charger; and the structure of polylith PCB board is comparatively complicated, leads to the assembly efficiency of charger to reduce, and the assembly stability of inside circuit board is also lower, influences the production efficiency and the product quality of enterprise.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the high-low voltage isolated quick charger has the advantages of simple structure, reasonable space design, convenience in assembly and safety in use.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a high-low voltage isolated quick charger comprises a surface cover plate, a rear shell, a high-voltage circuit board, a low-voltage circuit board, a USB socket, a Type-C socket and two vertical circuit boards, wherein the surface cover plate is connected with the rear shell through a buckle, and an accommodating cavity is formed between the surface cover plate and the rear shell;
the left and right inner side walls of the top of the rear shell are respectively provided with a first clamping groove, the left and right inner side walls of the bottom of the rear shell are respectively provided with a second clamping groove, the left and right ends of the high-voltage circuit board are respectively inserted into the first clamping grooves, and the left and right ends of the low-voltage circuit board are respectively inserted into the second clamping grooves;
the low-voltage circuit board's the left and right sides end is equipped with vertical circuit board respectively, USB socket and Type-C socket are connected with the low-voltage circuit board respectively, just USB socket is located Type-C socket top, USB socket and be equipped with the cage between Type-C socket, the position that the face apron is close to USB socket is equipped with the USB slot, the position that the face apron is close to Type-C socket is equipped with Type-C slot.
By adopting the technical scheme, the high-low voltage isolated quick-charging charger further comprises a power plug and a transformer, wherein the power plug is arranged at the back of the rear shell, and the transformer is arranged on the high-voltage circuit board.
By adopting the technical scheme, in the high-low voltage isolated quick charger, the upper end and the lower end of the vertical circuit board positioned on the left side of the low-voltage circuit board are respectively provided with a lug, and the high-voltage circuit board and the low-voltage circuit board are respectively provided with a slot which is inserted into and connected with the lug.
By adopting the technical scheme, in the high-low voltage isolated quick charger, the outer side wall edge of the face cover plate is provided with a transition arc structure for preventing hands from being damaged by touch.
By adopting the technical scheme, the high-voltage circuit board is inserted into the first clamping groove at the top of the rear shell, the low-voltage circuit board is inserted into the second clamping groove at the bottom of the rear shell, so that a space is reserved between the high-voltage circuit board and the low-voltage circuit board to form high-low voltage isolation, and the isolation cover is arranged between the USB socket and the Type-C socket, so that the use safety of the charger is effectively improved; the whole structure is convenient to assemble, and the production efficiency of products is effectively improved; the novel multifunctional combined type water pump has the beneficial effects of simple structure, reasonable space design, convenience in assembly, high use safety and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal assembly structure of the present invention;
fig. 3 is a schematic structural diagram of an internal electronic component according to the present invention.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
As shown in fig. 1 to fig. 3, the present embodiment provides a high-low voltage isolated quick charger, which includes a surface cover plate 1, a rear housing 2, a high-voltage circuit board 31, a low-voltage circuit board 32, a USB socket 33, a Type-C socket 34, and two vertical circuit boards 35, wherein the surface cover plate 1 is connected with the rear housing 2 by a snap-fit connection, and an accommodating chamber 20 is formed between the surface cover plate 1 and the rear housing 2. In this embodiment, the front cover plate 1 is connected to the rear housing 2 by a snap-fit connection, which facilitates assembly, and the electronic components inside the quick charger can be installed in the accommodating chamber 20.
As shown in fig. 2, the left and right inner side walls of the top of the rear housing 2 are respectively provided with a first slot 21, the left and right inner side walls of the bottom of the rear housing 2 are respectively provided with a second slot 22, the left and right ends of the high-voltage circuit board 31 are respectively inserted into the first slot 21, and the left and right ends of the low-voltage circuit board 32 are respectively inserted into the second slot 22. In this embodiment, high voltage circuit board inserts 31 and establishes in the first draw-in groove 21 at back casing 2 top, and low voltage circuit board 32 inserts and establishes in the second draw-in groove 22 in back casing 2 bottom for leave the interval between high voltage circuit board 31 and the low voltage circuit board 32, form high-low pressure and keep apart, effectively promote the safety in utilization of charger, and circuit structure convenient assembling effectively promotes the production efficiency of product.
As shown in fig. 1 and 3, the left and right sides end of low-voltage circuit board 32 is equipped with vertical circuit board 35 respectively, USB socket 33 and Type-C socket 34 are connected with low-voltage circuit board 32 respectively, just USB socket 33 is located Type-C socket 34 top, USB socket 33 with be equipped with cage 38 between Type-C socket 32, the position that face apron 1 is close to USB socket 33 is equipped with USB slot 11, the position that face apron 1 is close to Type-C socket 34 is equipped with Type-C slot 12. In this embodiment, be equipped with USB socket 33 and Type-C socket 34 on the charger respectively, can make things convenient for the user to carry out the operation of charging to the electronic equipment of Type-C joint or USB socket.
As shown in fig. 2, further, the quick charger further includes a power plug 36 and a transformer 37, the power plug 36 is disposed at the back of the rear housing 2, and the transformer 37 is disposed on the high-voltage circuit board 31.
As shown in fig. 3, further, the upper and lower ends of the vertical circuit board 35 on the left side of the low voltage circuit board 32 are respectively provided with a protrusion 351, and the high voltage circuit board 31 and the low voltage circuit board 32 are respectively provided with a slot 300 inserted and connected with the protrusion 351. In this embodiment, the arrangement of the protrusion 351 and the slot 300 can improve the connection stability between the vertical circuit board 35 and the high voltage circuit board 31 or the low voltage circuit board 32.
As shown in fig. 1, further, the outer side wall edge of the cover plate 1 is provided with a transition arc structure 10 for preventing touching and hurting hands.
By adopting the technical scheme, the high-voltage circuit board is inserted into the first clamping groove at the top of the rear shell, the low-voltage circuit board is inserted into the second clamping groove at the bottom of the rear shell, so that a space is reserved between the high-voltage circuit board and the low-voltage circuit board to form high-low voltage isolation, and the isolation cover is arranged between the USB socket and the Type-C socket, so that the use safety of the charger is effectively improved; the whole structure is convenient to assemble, and the production efficiency of products is effectively improved; the novel multifunctional combined type water pump has the beneficial effects of simple structure, reasonable space design, convenience in assembly, high use safety and the like.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a charger is filled soon that high low pressure is kept apart which characterized in that: the USB interface circuit board comprises a surface cover plate, a rear shell, a high-voltage circuit board, a low-voltage circuit board, a USB socket, a Type-C socket and two vertical circuit boards, wherein the surface cover plate is connected with the rear shell through a buckle, and an accommodating cavity is formed between the surface cover plate and the rear shell;
the left and right inner side walls of the top of the rear shell are respectively provided with a first clamping groove, the left and right inner side walls of the bottom of the rear shell are respectively provided with a second clamping groove, the left and right ends of the high-voltage circuit board are respectively inserted into the first clamping grooves, and the left and right ends of the low-voltage circuit board are respectively inserted into the second clamping grooves;
the low-voltage circuit board's the left and right sides end is equipped with vertical circuit board respectively, USB socket and Type-C socket are connected with the low-voltage circuit board respectively, just USB socket is located Type-C socket top, USB socket and be equipped with the cage between Type-C socket, the position that the face apron is close to USB socket is equipped with the USB slot, the position that the face apron is close to Type-C socket is equipped with Type-C slot.
2. A high and low voltage isolated fast charger according to claim 1, wherein: the power plug is arranged on the back of the rear shell, and the transformer is arranged on the high-voltage circuit board.
3. A high and low voltage isolated fast charger according to claim 1, wherein: the upper end and the lower end of the vertical circuit board on the left side of the low-voltage circuit board are respectively provided with a convex block, and the high-voltage circuit board and the low-voltage circuit board are respectively provided with a slot which is inserted and connected with the convex block.
4. A high-low voltage isolated quick charger according to any one of claims 1 to 3, characterized in that: the outer side wall edge of the face cover plate is provided with a transition arc structure for preventing hands from being damaged by touch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122349264.6U CN215817626U (en) | 2021-09-27 | 2021-09-27 | High-low voltage isolated quick charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122349264.6U CN215817626U (en) | 2021-09-27 | 2021-09-27 | High-low voltage isolated quick charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215817626U true CN215817626U (en) | 2022-02-11 |
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ID=80166937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122349264.6U Active CN215817626U (en) | 2021-09-27 | 2021-09-27 | High-low voltage isolated quick charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215817626U (en) |
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2021
- 2021-09-27 CN CN202122349264.6U patent/CN215817626U/en active Active
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