CN213585252U - Charger with improved internal structure - Google Patents
Charger with improved internal structure Download PDFInfo
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- CN213585252U CN213585252U CN202022946671.0U CN202022946671U CN213585252U CN 213585252 U CN213585252 U CN 213585252U CN 202022946671 U CN202022946671 U CN 202022946671U CN 213585252 U CN213585252 U CN 213585252U
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- circuit board
- clamping
- electronic component
- charger
- internal structure
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- 239000003990 capacitor Substances 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000004146 energy storage Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000010354 integration Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a charger with improved internal structure, which comprises a fixed bracket, a base, pins, a first circuit board, a second circuit board and a third circuit board, wherein a plurality of electronic component bins are arranged in the fixed bracket, and clapboards are arranged between adjacent electronic component bins and at the edge of the electronic component bins; the electronic components of the circuit module on the circuit board are accommodated in the electronic component bin, and the electronic components embedded in the adjacent electronic component bin are separated by the partition plate. The utility model has the advantages that the fixing bracket is arranged to be assembled and fixed with each circuit board, and larger electronic elements on the circuit board, such as large capacitors, transformers and the like, are embedded into the accommodating bin of the fixing bracket and are separated by the partition plate, so that good insulation effect can be achieved, and the heat of the electronic elements can be prevented from being mutually superposed, thereby improving the heat dissipation effect; the card pin that adopts dislocation structure switches on with the circuit board joint, can overcome the outage risk that causes because of the circuit board skew, improves the reliability of product.
Description
Technical Field
The utility model relates to a charger technical field especially relates to an optimize structural layout's charger.
Background
At present, various electronic products generally need to be charged by a charger. The high power and miniaturization of the charger are the future trends, and in order to achieve the purpose, manufacturers in the industry make various innovative designs. For example, there is a charger in which a charging circuit is divided into three parts and disposed on three circuit boards, and the three circuit boards are connected to each other by a connector transformer, so that not only are the three circuits independent from each other, but also electromagnetic interference between the three circuits is greatly reduced, and power density are increased by reducing the size of the product.
However, such a charger has problems that various electronic components inside are close to each other, so that heat may interfere with each other, and the heat dissipation effect is not good enough, especially when the charging is more and more miniaturized. In addition, in order to improve the convenience of assembly, the circuit board is usually directly connected and fixed with two pin springs on the base in an inserting manner to realize electric conduction, but in the manner, only one side of the circuit board is electrically connected with the pin springs, when the circuit board swings or moves due to factors such as external force and the like and deviates to the pin spring on one side, the pin spring on the other side may be separated from contact with the circuit board, so that unreliable connection is caused; in addition, because a chip with very high integration level is used as a main control chip, and multiple functions such as PWM control, output control and the like are integrated, although the integration level of a circuit is improved and the miniaturization of a product is realized, the cost and the size of the chip are greatly improved, the current market price of the chip is about four elements, the size is about 10.8mm long, 9.4mm wide and 1.45mm thick, and the chip is more troublesome in assembly.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is the defect of prior art, provide a simple structure, design more reasonable, assembly operation convenient and fast more, the cost is lower, the reliability is higher, the better improvement inner structure's of radiating effect charger.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an improve inner structure's charger, including casing, base, participate in, first circuit board, second circuit board, third circuit board and the circuit module on each circuit board, first circuit board and second circuit board are according to certain interval subtend setting in both sides, and the third circuit board is connected between first circuit board and second circuit board, is connected its characterized in that with participating in the electricity through one of them at least circuit board: the electronic component storage device is characterized by also comprising a fixed support, wherein a plurality of electronic component bins are arranged in the fixed support, and partition plates are arranged between adjacent electronic component bins and at the edge of the electronic component bins; the electronic elements of the circuit module on the circuit board are accommodated in the electronic element bin, the electronic elements embedded in the adjacent electronic element bin are separated by the partition plate, and the whole fixing support is surrounded and separated in the middle by the first circuit board, the second circuit board, the third circuit board and the base.
Furthermore, two sides of the fixed support are respectively provided with an electronic component bin, the electronic component bins on the two sides are separated by the middle substrate, one side of the electronic component bins faces the first circuit board, and an accommodating structure for the electronic components on the first circuit board is formed; the other surface of the fixed support faces the second circuit board to form an accommodating structure for the electronic element on the second circuit board.
Furthermore, the circuit module of the second circuit board comprises a power management module, wherein a transformer and an energy storage capacitor are arranged on the power management module; the electronic component bin facing the second circuit board comprises a transformer bin and a capacitor bin which respectively form a containing structure for the transformer and the energy storage capacitor.
Furthermore, a plurality of fixing columns are arranged on the fixing support, the front ends of the fixing columns are inserted into the circuit board opposite to the fixing columns, and a supporting and fixing structure for the circuit board is formed, so that the circuit board and the fixing support can be assembled very conveniently.
Further, be provided with first card pin and second card pin in the base, both are dislocation set at horizontal and vertical, form the clearance that is used for holding the circuit board between the two.
Furthermore, first card pin and second joint foot set up in the position relative with the second circuit board, and the second circuit board inserts behind the clearance between first card pin and second joint foot, and two joint feet compress tightly the contact with the tow sides of second circuit board respectively and form electric connection structure, like this when the second circuit board when shifting toward certain side because of reasons such as rocking, though probably break away from the contact with one of them card pin, but can be kept by the joint foot of another side and can not break off electrical contact to it is more reliable.
Furthermore, a first protruding clamping portion is arranged opposite to the first clamping pin, a second protruding clamping portion is arranged opposite to the second clamping pin, the two clamping portions and the base are of an integral structure, and the second circuit board is fixed by clamping the first clamping pin and the first clamping portion and clamping the second clamping pin and the second clamping portion after being inserted into a gap between the two clamping pins, so that the second circuit board is more stably inserted.
Furthermore, the first clamping pins are connected with the pins through the first switching arms, and the second clamping pins are connected with the pins through the second switching arms.
Furthermore, a groove-shaped welding opening is formed in the edge position of the first circuit board, and a lead of the transformer is clamped into the welding opening from the side and then is welded and fixed with the first circuit board. The tradition adopts the through-hole structure, and the wire inserts the through-hole earlier and welds, nevertheless because the through-hole is less, inserts the operation more difficult, and is inefficient, changes the efficiency that can improve the equipment by a wide margin after the card is gone into from the side.
Preferably, a feedback control chip of the circuit is arranged on the third circuit board, and the size of the feedback control chip is 6.5mm in length, 2.9mm in width and 2.2mm in thickness; the power management part is arranged on the second circuit board, so that the power management part is about half of the control chip with high integration level compared with the existing control chip with high integration level, the chip with high integration level is changed into a dispersed structure and then reasonably arranged on the corresponding circuit board, the assembly process is simpler and more convenient, the size and the cost of the chip can be obviously reduced on the premise of keeping the performance of the product not reduced, the total cost of all elements after being separated is about 2 yuan, and the price is about half of the price of the traditional integrated chip about 4 yuan.
The utility model has the advantages that the fixing bracket is arranged to be assembled and fixed with each circuit board, and larger electronic elements on the circuit board, such as large capacitors, transformers and the like, are embedded into the accommodating bin of the fixing bracket and are separated by the partition plate, so that good insulation effect can be achieved, and the heat of the electronic elements can be prevented from being mutually superposed, thereby improving the heat dissipation effect; in addition, the clamping pins with the staggered structure are clamped and conducted with the circuit board, so that the power failure risk caused by circuit board deviation can be overcome, and the reliability of the product is improved; the structure of the chip is reasonably disassembled, the production and assembly processes of the circuit board can be simplified, the safe use coefficient is also improved structurally after the disassembly, and the cost of the whole product is lower.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention from another angle;
fig. 3 is a schematic view of the internal structure of the present invention after the first and third circuit boards are removed;
fig. 4 is a schematic structural view of the present invention after the circuit boards are removed;
fig. 5 is a schematic structural view of the present invention at another angle after the circuit boards are removed;
fig. 6 is a schematic view of a third angle structure after the circuit boards are removed.
In the figure, 1 is a fixing bracket, 11 is an electronic component chamber, 12 is a partition plate, 13 is a fixing column, 14 is a transformer chamber, 15 is a capacitor chamber, 2 is a base, 21 is a first clamping portion, 22 is a second clamping portion, 3 is a first circuit board, 4 is a second circuit board, 5 is a third circuit board, 6 is a first clamping pin, 61 is a first transfer arm, 7 is a second clamping pin, 72 is a second clamping arm, and 8 is a pin.
Detailed Description
In this embodiment, referring to fig. 1 to 6, the charger with an improved internal structure includes a housing, a base 2, pins 8, a first circuit board 3, a second circuit board 4, a third circuit board 5, and circuit modules on the circuit boards, where the first circuit board 3 and the second circuit board 4 are oppositely disposed at two sides at a certain distance, and the third circuit board 5 is connected between the first circuit board 3 and the second circuit board 4 and electrically connected to the pins 8 through at least one of the circuit boards; the electronic component storage device is characterized by further comprising a fixed support 1, wherein a plurality of electronic component bins 11 are arranged in the fixed support 1, and partition plates 12 are arranged between the adjacent electronic component bins 11 and at the edges of the electronic component bins 11; the electronic components of the circuit module on the circuit board are accommodated in the electronic component bin 11, the electronic components embedded in the adjacent electronic component bin 11 are separated by the partition plate 12, and the whole fixing bracket 1 is surrounded by the first circuit board 3, the second circuit board 4, the third circuit board 5 and the base 2.
Two sides of the fixed bracket 1 are respectively provided with an electronic component bin 11, the electronic component bins 11 on the two sides are separated by a middle substrate, one side of the electronic component bins faces the first circuit board 3, and an accommodating structure for electronic components on the first circuit board 3 is formed; the other side of the fixed bracket 1 faces the second circuit board 4 to form a holding structure for electronic components on the second circuit board 4.
The circuit module of the second circuit board 4 comprises a power management module, and a transformer and an energy storage capacitor are arranged on the power management module; the electronic component chamber 11 facing the second circuit board 4 includes a transformer chamber 14 and a capacitor chamber 15, which respectively form a holding structure for the transformer and the energy storage capacitor.
The fixing support 1 is provided with a plurality of fixing columns 13, the front ends of the fixing columns 13 are inserted on the circuit board opposite to the fixing columns to form a supporting and fixing structure for the circuit board, so that the circuit board and the fixing support 1 can be very conveniently assembled.
A first card pin 6 and a second card pin 7 are arranged in the base 2, and are arranged in a staggered mode in the transverse direction and the longitudinal direction, and a gap used for containing a circuit board is formed between the first card pin and the second card pin.
The opposite side of the first card pin 6 is provided with a first convex clamping part 21, the opposite side of the second card pin 7 is provided with a second convex clamping part 22, the two clamping parts are respectively integrated with the base 2, and the second circuit board 4 is inserted into the gap between the two clamping pins and then fixed through the clamping of the first card pin 6 and the first clamping part 21 and the clamping of the second card pin 7 and the second clamping part 22, so that the plugging is more stable.
The first card pin 6 is connected to the pin 8 through the first transfer arm 61, and the second card pin 7 is connected to the pin 8 through the second transfer arm 71.
A groove-shaped welding opening is formed in the edge position of the first circuit board 3, and a lead of the transformer is clamped into the welding opening from the side and then is welded and fixed with the first circuit board 3. The tradition adopts the through-hole structure, and the wire inserts the through-hole earlier and welds, nevertheless because the through-hole is less, inserts the operation more difficult, and is inefficient, changes the efficiency that can improve the equipment by a wide margin after the card is gone into from the side.
A feedback control chip of the circuit is arranged on the third circuit board 5, and the size of the feedback control chip is 6.5mm in length, 2.9mm in width and 2.2mm in thickness; the power management part is arranged on the second circuit board 4, thus the power management part is about half of the control chip with high integration level compared with the prior art, the chip with high integration level is changed into a dispersed structure and then reasonably arranged on the corresponding circuit board, the assembly process is simpler and more convenient, the size and the cost of the chip can be obviously reduced on the premise of keeping the product performance not reduced, the total cost of the components after being separated is about 2 yuan, and the price is about half of the price of the traditional integrated chip about 4 yuan.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (10)
1. The utility model provides an improve inner structure's charger, including casing, base, participate in, first circuit board, second circuit board, third circuit board and the circuit module on each circuit board, first circuit board and second circuit board are according to certain interval subtend setting in both sides, and the third circuit board is connected between first circuit board and second circuit board, is connected its characterized in that with participating in the electricity through one of them at least circuit board: the electronic component storage device is characterized by also comprising a fixed support, wherein a plurality of electronic component bins are arranged in the fixed support, and partition plates are arranged between adjacent electronic component bins and at the edge of the electronic component bins; the electronic elements of the circuit module on the circuit board are accommodated in the electronic element bin, the electronic elements embedded in the adjacent electronic element bin are separated by the partition plate, and the whole fixing support is surrounded and separated in the middle by the first circuit board, the second circuit board, the third circuit board and the base.
2. The charger with an improved internal structure as claimed in claim 1, wherein: electronic component bins are respectively arranged on two sides of the fixed support, the electronic component bins on the two sides are separated by the middle substrate, one side of the electronic component bins faces the first circuit board, and an accommodating structure for the electronic components on the first circuit board is formed; the other surface of the fixed support faces the second circuit board to form an accommodating structure for the electronic element on the second circuit board.
3. The charger with an improved internal structure as claimed in claim 2, wherein: the circuit module of the second circuit board comprises a power management module, and a transformer and an energy storage capacitor are arranged on the power management module; the electronic component bin facing the second circuit board comprises a transformer bin and a capacitor bin which respectively form a containing structure for the transformer and the energy storage capacitor.
4. The charger with an improved internal structure as claimed in claim 1, wherein: the fixing support is provided with a plurality of fixing columns, and the front ends of the fixing columns are inserted on the circuit board opposite to the fixing columns to form a supporting and fixing structure for the circuit board.
5. The charger with an improved internal structure as claimed in claim 1, wherein: be provided with first card pin and second card pin in the base, both are dislocation set at horizontal and vertical, form the clearance that is used for the holding circuit board between the two.
6. The charger with an improved internal structure as claimed in claim 5, wherein: the first clamping pin and the second clamping pin are arranged at positions opposite to the second circuit board, the second circuit board is inserted into a gap between the first clamping pin and the second clamping pin, and the two clamping pins are respectively in pressing contact with the front surface and the back surface of the second circuit board to form an electric connection structure.
7. The charger with an improved internal structure as claimed in claim 6, wherein: the opposite side of the first card pin is provided with a first convex clamping part, the opposite side of the second card pin is provided with a second convex clamping part, the two clamping parts are respectively integrated with the base into a whole, and the second circuit board is fixed by clamping the first card pin and the first clamping part and clamping the second card pin and the second clamping part after being inserted into a gap between the two clamping pins.
8. The charger with an improved internal structure as claimed in claim 5, wherein: the first clamping pins are connected with the pins through the first switching arms, and the second clamping pins are connected with the pins through the second switching arms.
9. The charger with an improved internal structure as claimed in claim 3, wherein: a groove-shaped welding opening is formed in the edge position of the first circuit board, and a lead of the transformer is clamped into the welding opening from the side and then is welded and fixed with the first circuit board.
10. The charger with an improved internal structure as claimed in claim 3, wherein: a feedback control chip of the circuit is arranged on the third circuit board, and the size of the feedback control chip is 6.5mm in length, 2.9mm in width and 2.2mm in thickness; the power management part is arranged on the second circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022946671.0U CN213585252U (en) | 2020-12-11 | 2020-12-11 | Charger with improved internal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022946671.0U CN213585252U (en) | 2020-12-11 | 2020-12-11 | Charger with improved internal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213585252U true CN213585252U (en) | 2021-06-29 |
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ID=76548655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022946671.0U Active CN213585252U (en) | 2020-12-11 | 2020-12-11 | Charger with improved internal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213585252U (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 |
| CN115733221A (en) * | 2022-11-28 | 2023-03-03 | 广东斯泰克电子科技有限公司 | USB quick charger |
-
2020
- 2020-12-11 CN CN202022946671.0U patent/CN213585252U/en active Active
Cited By (3)
| 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 |
| CN115733221A (en) * | 2022-11-28 | 2023-03-03 | 广东斯泰克电子科技有限公司 | USB quick charger |
| CN115733221B (en) * | 2022-11-28 | 2023-10-31 | 广东斯泰克电子科技有限公司 | USB quick charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A charger with improved internal structure Granted publication date: 20210629 Pledgee: Bank of China Co.,Ltd. Dongguan Branch Pledgor: DONGGUAN HECHUANG LYUNENG ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2024980031616 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |