CN202907340U - Inlaid circuit board - Google Patents
Inlaid circuit board Download PDFInfo
- Publication number
- CN202907340U CN202907340U CN 201220538778 CN201220538778U CN202907340U CN 202907340 U CN202907340 U CN 202907340U CN 201220538778 CN201220538778 CN 201220538778 CN 201220538778 U CN201220538778 U CN 201220538778U CN 202907340 U CN202907340 U CN 202907340U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- aluminum base
- pads
- base circuit
- pcb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model provides a circuit board which can solve the power element heat radiation problem and comprises a PCB and an aluminum base circuit board. The PCB is equipped with an inlaying position in which the aluminum base circuit board is inlaid and also a first set of pads, and the aluminum base circuit board is equipped with a second set of pads. The inlaid circuit board also comprises a flexible paster element of which one end is welded together with a pad belonging to the first set of pads, and the other end is welded together with a pad belonging to the second set of pads. The inlaid circuit board of the utility model can send out the heat of a power element rapidly, and guarantees the use performance and service life of the power element. Moreover, the welding between a device and the circuit board mainly employs a reflow soldering technology, so that labor cost and the loss brought by the manual operation can be reduced, and the production efficiency and the product qualified rate can be improved.
Description
Technical field
The utility model relates to a kind of circuit board, relates in particular to a kind of circuit board that is made by mechanical amalgamation by two or more material.
Background technology
On the existing circuit board with power component, owing to need to guarantee that the temperature of power component is unlikely to too high, must dispel the heat to power component, general way is: increase insulation spacer between metal heat sink and power component.But the conductive coefficient of most insulation spacer is not high, this so that the radiating effect of power component have a greatly reduced quality, and the power component that temperature is very high can not leave fast owing to its heat, so that the temperature of its peripheral non-power element also is enhanced, affect output parameter and the performance of these elements.And the operation that increases insulation spacer is that circuit board design as a whole, making and installation have brought certain trouble and cost, therefore need to improve existing circuit board.
The utility model content
The utility model provides a kind of circuit board that solves the power component heat dissipation problem.
By the following technical solutions:
A kind of inserted circuit board comprises PCB circuit board and aluminum base circuit board; Described PCB circuit board is provided with and embeds the position; Aluminum base circuit board is embedded in the described embedding position; The PCB circuit board is provided with the first assembly welding dish; Aluminum base circuit board is provided with the second assembly welding dish; Also comprise the flexible patch element, the pad under an end of flexible patch element and the first assembly welding dish welds together, and the pad under the other end of flexible patch element and the second assembly welding dish welds together.
Select surface mount elements when carrying out the choosing of power component, and the circuit at the surface mount elements place that these caloric values are large, such as the circuit at the IGBT place of frequency converter, design is put on the aluminum base circuit board.The aluminum base circuit board degree of tightness can be embedded into expediently by simple size design and frock in the embedding position of correspondence of PCB circuit board.The first assembly welding dish on the PCB circuit board and the second assembly welding dish on the aluminum base circuit board are in correspondence with each other at this moment.With the amalgamation body of PCB circuit board and aluminum base circuit board put into carry out paster on the chip mounter after, put into again on the reflow soldering production line and weld, then the paster power component will be weldingly fixed on the aluminum base circuit board this moment, and the flexible patch element also is welded between aluminum base circuit board and the PCB circuit board, and therefore aluminum base circuit board and PCB circuit board have realized mechanical connection and circuit turn-on.The circuit board that obtains thus is whole, again with the back side of aluminum base circuit board by screw directly be close to be fixed to radiator after, the radiating effect of power component will be significantly improved, heat also will greatly reduce the harmful effect of non-power element.
When choosing PCB circuit board and aluminum base circuit board, should be taken into account that thermal coefficient of expansion between the two should only have less gap.The flexible patch element is looked size, weight different of aluminum base circuit board and power component, can select corresponding material and specification.Generally can select the scale copper of similar Chip-R specification as the flexible patch element.
The utility model can transmit the heat of power component fast and open the serviceability of guaranteed output element and useful life.And the welding between device and the circuit board mainly adopts solder reflow process, can reduce the loss that labour cost and manual operation bring, and production efficiency and product percent of pass all get a promotion.
Description of drawings
Fig. 1 is the structural representation of embodiment.
Description of reference numerals: 1-PCB circuit board; The 2-aluminum base circuit board; 3-embeds the position; 4-the first assembly welding dish; 5-the second assembly welding dish; 6-flexible patch element.
Embodiment
Below in conjunction with drawings and Examples the utility model content is described further.
As shown in Figure 1, the circuit board of the present embodiment is the converter circuit plate of variable-frequency motor.It comprises PCB circuit board 1 and aluminum base circuit board 2.Aluminum base circuit board 2 is provided with the connection circuit (circuit does not draw) of IGBT constant power element; PCB circuit board 1 is provided with the connection circuit (circuit does not draw) of non-power element.
Be provided with the embedding position 3 of rectangle at PCB circuit board 1, the outline of aluminum base circuit board 2 also is rectangle, and the length and width of aluminum base circuit board 2 are corresponding one by one with the length and width that embed position 3, embed among the position 3 so aluminum base circuit board 2 degrees of tightness are embedded in expediently.
The PCB circuit board is provided with the first assembly welding dish 4, and after aluminum base circuit board 2 was provided with pad and the affiliated corresponding pad conducting of the second assembly welding dish 5 under the second assembly welding dish 5, the first assembly welding dishes 4, converter circuit namely became complete.
And the conducting between the first assembly welding dish 4 and the second assembly welding dish 5 realizes by flexible patch element 6, and the flexible patch element is the thin copper billet of Chip-R size.Pad under one end of flexible patch element 6 and the first assembly welding dish 4 welds together, and the pad under the other end of flexible patch element 6 and the second assembly welding dish 5 welds together.
The converter circuit plate of this structure has the advantages such as good heat dissipation effect, circuit performance is stable, technique is simple.
What this specification was enumerated is better embodiment of the present utility model only, and all equivalent technologies conversion of doing under operation principle of the present utility model and thinking all are considered as protection range of the present utility model.
Claims (2)
1. an inserted circuit board is characterized in that: comprise PCB circuit board and aluminum base circuit board; Described PCB circuit board is provided with and embeds the position; Aluminum base circuit board is embedded in the described embedding position; The PCB circuit board is provided with the first assembly welding dish; Aluminum base circuit board is provided with the second assembly welding dish; Also comprise the flexible patch element, the pad under an end of flexible patch element and the first assembly welding dish welds together, and the pad under the other end of flexible patch element and the second assembly welding dish welds together.
2. a kind of inserted circuit board as claimed in claim 1, it is characterized in that: the flexible patch element is scale copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538778 CN202907340U (en) | 2012-10-19 | 2012-10-19 | Inlaid circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538778 CN202907340U (en) | 2012-10-19 | 2012-10-19 | Inlaid circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202907340U true CN202907340U (en) | 2013-04-24 |
Family
ID=48127952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220538778 Expired - Lifetime CN202907340U (en) | 2012-10-19 | 2012-10-19 | Inlaid circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202907340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2545285A (en) * | 2015-12-02 | 2017-06-14 | Ningbo Klite Electric Mft Co Ltd | Composite LED circuit board and manufacturing method |
| WO2017185344A1 (en) * | 2016-04-29 | 2017-11-02 | 华为技术有限公司 | Circuit board of wearable device, preparation method therefor, and wearable device |
-
2012
- 2012-10-19 CN CN 201220538778 patent/CN202907340U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2545285A (en) * | 2015-12-02 | 2017-06-14 | Ningbo Klite Electric Mft Co Ltd | Composite LED circuit board and manufacturing method |
| GB2545285B (en) * | 2015-12-02 | 2020-11-11 | Ningbo Klite Electric Mft Co Ltd | Composite LED Circuit Board and Manufacturing Method |
| WO2017185344A1 (en) * | 2016-04-29 | 2017-11-02 | 华为技术有限公司 | Circuit board of wearable device, preparation method therefor, and wearable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
|
| CX01 | Expiry of patent term |