CN207165552U - A kind of plug-in terminal of power model - Google Patents
A kind of plug-in terminal of power model Download PDFInfo
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- CN207165552U CN207165552U CN201721133999.2U CN201721133999U CN207165552U CN 207165552 U CN207165552 U CN 207165552U CN 201721133999 U CN201721133999 U CN 201721133999U CN 207165552 U CN207165552 U CN 207165552U
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- terminal
- plug
- lateral clearance
- buffer part
- buffer
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Abstract
The utility model discloses a kind of plug-in terminal of power model, terminal includes intercalation part, transition part and weld part successively from top to bottom, also include buffer part between transition part and weld part, buffer part includes some bending structures, each bending structure includes two openings, opening respectively has the lateral clearance composition buffer part buffer structure that side is provided with the lateral clearance being connected on the outside of terminal, upper and lower opening and the left and right sides, and the lateral clearance of the left and right sides forms buffer part supporting construction.Plug-in terminal of the present utility model effectively reduces terminal thermal stress and mechanical stress using the elastic deformation of bending structure, improves module service life；Terminal buffer part bending structure can facilitate module to be plugged with PCB and connect by controlling lateral clearance to provide mechanical support for module installation process.
Description
Technical field
The utility model belongs to field of power electronics, more particularly to a kind of plug-in terminal of power model.
Background technology
Power Electronic Technique occupies very important status, electric and electronic power mould in current fast-developing industrial circle
Representative of the block as Power Electronic Technique, it is widely used to the row such as electric automobile, photovoltaic generation, wind-power electricity generation, industrial frequency conversion
Industry.With the emergence of China's industry, electric and electronic power module has more wide market prospects.
It is a kind of existing power module terminal as shown in Figure 1, terminal structure includes four parts, the weldering being connected with DBC
Socket part, the intercalation part being connected with PCB, the transition portion between buffer part, and buffer part and intercalation part.This tradition
Power module terminal when being installed to PCB, terminal ends can be under pressure effect, cause buffer part to be sent out in vertical direction
Raw deformation, the amplitude of this deformation can not be effectively controlled so that terminal buffer part is plastically deformed, and is influenceed subsequently and PCB
The connection of plate, or even cause scrapping for power model.
Utility model content
Goal of the invention：For problem above, the utility model proposes a kind of plug-in terminal of power model.
Technical scheme：To realize above-mentioned purpose of design, technical scheme is used by the utility model：A kind of plug-in end
Son, the terminal include intercalation part, transition part and weld part successively from top to bottom, and buffering is also included between transition part and weld part
Portion；The buffer part includes some bending structures, and each bending structure includes two openings, and described two openings are setting up and down；
Upper opening side is provided with the lateral clearance being connected on the outside of terminal, and lower openings are provided with the transverse direction being connected on the outside of terminal in opposite side
Gap；Upper and lower opening and the lateral clearance of the left and right sides form buffer part buffer structure, and the lateral clearance of the left and right sides, which is formed, to be delayed
Rush portion's supporting construction.
Further, the lateral clearance is perpendicular to terminal lateral surface.
Further, the opening of the buffer part bending structure is rectangle or circle.
Further, the rectangular aperture of the buffer part bending structure is vertical stratification with corresponding lateral clearance.
Further, the buffer part includes at least one bending structure.
Further, the lateral clearance is 0.05-0.2mm.
Further, the intercalation part is flake intercalation part, during the flake intercalation part includes intercalation part body and is located at
The class ellipsoidal fish eyelet of heart opening position.
Further, the opening is identical with lateral clearance size.
Further, the upper opening is identical with the structure of lower openings.
Beneficial effect：Plug-in terminal of the present utility model effectively reduces terminal heat using the elastic deformation of bending structure should
Power and mechanical stress, improve module service life；Terminal buffer part bending structure can be module by controlling lateral clearance
Installation process provides mechanical support, facilitates module to be plugged with PCB and connects.
Brief description of the drawings
Fig. 1 is the power model plug-in terminal of prior art；
Fig. 2 is the power model plug-in terminal schematic diagram of embodiment one；
Fig. 3 is the power model plug-in terminal of embodiment one by deformation pattern during pressure vertically downward；
Fig. 4 is the power model plug-in terminal of embodiment one by deformation pattern during pressure vertically upward；
Fig. 5 is the three dimensional structure diagram of the power model plug-in terminal of embodiment one；
Fig. 6 is the power model plug-in terminal schematic diagram of embodiment two；
Fig. 7 is the power model plug-in terminal schematic diagram of embodiment three；
Fig. 8 is the power model plug-in terminal schematic diagram of example IV；
Fig. 9 is using renderings of the power model plug-in terminal of embodiment one on power model.
Embodiment
The technical solution of the utility model is further described with reference to the accompanying drawings and examples.
Embodiment 1
It is power model plug-in terminal described in the utility model as shown in Figure 2, comprising four parts, with PCB circuits
The intercalation part 1 of plate connection, there is certain elastically-deformable buffer part 3, the weld part 4 being connected with DBC, and intercalation part and buffering
Transition part 2 between portion.Intercalation part 1 is flake intercalation part, and flake intercalation part includes intercalation part body 12 and positioned at center
The class ellipsoidal fish eyelet 11 at place.
Buffer part 3 includes the opening of two rectangles, and rectangular aperture respectively has side to be provided with the lateral clearance being connected on the outside of terminal
33/34, the upside downside right side of upper opening 31 and the upside downside left side of lower openings 32 connect and compose terminal buffer part
Bending structure, the upper and lower sides of lateral clearance 33/34 of the left and right sides form terminal buffer part supporting construction.Opening and gap are vertical
Straight structure, there is preferable anti-pressure ability, prevent from deforming and collapsing during terminal insertion PCB.
Rectangular aperture is setting up and down, has preferable using effect.Two rectangular apertures and two side clearances form 1 bending
Structure, the degree of terminal deformation can be limited, there is preferable ability of anti-deformation.
Preferably, the both sides lateral clearance of bending structure is 0.05-0.2mm or so, it is ensured that certain elastic deformation, together
When there is preferable anti-pressure ability.The rectangular aperture length of side of buffer part 3 is 0.6-0.8mm or so, and rectangular aperture is between the upper and lower every 0.6mm-
0.8 or so, there is preferable using effect.
As shown in figure 3, when terminal is by pressure vertically downward, end can be reduced into by lateral clearance 33/34
Son provides mechanical support, avoids terminal deformation from collapsing.As shown in figure 4, when terminal is by upward pulling force, bending can be passed through
Structural elasticity deformation reduces terminal thermal stress and mechanical stress, improves the reliability of terminal, and extend power model uses the longevity
Life.
It is the three dimensional structure diagram of the terminal of the present embodiment as shown in Figure 5；It is embodiment one as shown in Figure 9 in power mould
Using renderings on block.
Embodiment 2
It is power model plug-in second of embodiment of terminal as shown in Figure 6, compared with embodiment 1, the institute of embodiment 2 is different
, its buffer part 3 comprises at least two bending structures, and other set-up modes and structural requirement are same as the previously described embodiments or connect
Closely.
Embodiment 3
It is the third embodiment of power model plug-in terminal as shown in Figure 7, compared with embodiment 1, the institute of embodiment 2 is different
, its rectangular aperture of buffer part 3 is structure as a whole with both sides lateral clearance 33/34, and opening is identical with lateral clearance size, this
Structure equally has certain buffer capacity and anti-surrender ability.
Embodiment 4
It is the 4th kind of embodiment of power model plug-in terminal as shown in Figure 8, compared with embodiment 1, the institute of embodiment 2 is different
, its buffer part 3 opening is circular or other shapes, and other set-up modes and structural requirement are same as the previously described embodiments or connect
Closely.
Claims (9)
- A kind of 1. plug-in terminal, it is characterised in that：The terminal from top to bottom successively include intercalation part (1), transition part (2) and Weld part (4), buffer part (3) is also included between transition part (2) and weld part (4)；The buffer part (3) includes some bendings and tied Structure, each bending structure include two openings (31,32), and described two openings (31,32) are setting up and down；Upper opening (31) side is provided with the lateral clearance (33) being connected on the outside of terminal, and lower openings (32) are provided with opposite side to be connected To the lateral clearance (34) on the outside of terminal；Upper and lower opening (31,32) and the lateral clearance (33,34) of the left and right sides form buffer part (3) buffer structure, the lateral clearance (33,34) of the left and right sides form buffer part (3) supporting construction.
- 2. plug-in terminal according to claim 1, it is characterised in that：The lateral clearance (33,34) is perpendicular to terminal Lateral surface.
- 3. plug-in terminal according to claim 2, it is characterised in that：The opening of buffer part (3) bending structure (31,32) it is rectangle or circle.
- 4. plug-in terminal according to claim 3, it is characterised in that：The rectangle of buffer part (3) bending structure is opened Mouth (31,32) is vertical stratification with corresponding lateral clearance (33,34).
- 5. plug-in terminal according to claim 1, it is characterised in that：The buffer part (3) includes at least one bending Structure.
- 6. plug-in terminal according to claim 4, it is characterised in that：The lateral clearance (33,34) is 0.05- 0.2mm。
- 7. plug-in terminal according to claim 1, it is characterised in that：The intercalation part (1) is flake intercalation part, described Flake intercalation part includes intercalation part body (12) and the class ellipsoidal fish eyelet (11) positioned at center position.
- 8. plug-in terminal according to claim 1, it is characterised in that：Opening (31,32) and the lateral clearance (33, 34) size is identical.
- 9. plug-in terminal according to claim 1, it is characterised in that：The upper opening (31) and lower openings (32) Structure it is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721133999.2U CN207165552U (en) | 2017-09-06 | 2017-09-06 | A kind of plug-in terminal of power model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721133999.2U CN207165552U (en) | 2017-09-06 | 2017-09-06 | A kind of plug-in terminal of power model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207165552U true CN207165552U (en) | 2018-03-30 |
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ID=61720344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721133999.2U Active CN207165552U (en) | 2017-09-06 | 2017-09-06 | A kind of plug-in terminal of power model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207165552U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112670732A (en) * | 2020-12-10 | 2021-04-16 | 合肥中恒微半导体有限公司 | Punch forming's fisheye terminal |
| CN113517582A (en) * | 2020-04-10 | 2021-10-19 | 湖南国芯半导体科技有限公司 | Power module terminal and welding method |
-
2017
- 2017-09-06 CN CN201721133999.2U patent/CN207165552U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517582A (en) * | 2020-04-10 | 2021-10-19 | 湖南国芯半导体科技有限公司 | Power module terminal and welding method |
| CN112670732A (en) * | 2020-12-10 | 2021-04-16 | 合肥中恒微半导体有限公司 | Punch forming's fisheye terminal |
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