CN206379348U - A kind of electrode, electrode combination and power model - Google Patents
A kind of electrode, electrode combination and power model Download PDFInfo
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- CN206379348U CN206379348U CN201621113976.0U CN201621113976U CN206379348U CN 206379348 U CN206379348 U CN 206379348U CN 201621113976 U CN201621113976 U CN 201621113976U CN 206379348 U CN206379348 U CN 206379348U
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Abstract
The utility model discloses a kind of electrode, including leg, the main part that is connected with leg being connected with solder joint, and main body top bending lead division, main part is provided with engraved structure, and the projection of main part to plane where leg is separated with leg.The invention also discloses the electrode combination and power model using the electrode.The setting of engraved structure of the present utility model, can reduce the mechanical stress when pulling up lead division or being pressed downward lead division and be transmitted to leg, so as to improve the life-span of solder joint, improve the reliability of power model；The projection of main part of the present utility model to plane where leg is separated with leg so that electrode of the present utility model can either use soldering, and ultrasonic wire bonding can be used again, and the flexibility of welding is strong, convenient processing；Electrode combination and power model employ electrode of the present utility model, it is possible to increase the life and reliability of electrode combination and power model, can also improve the flexibility of welding.
Description
Technical field
The utility model is related to field of power electronics, more particularly to a kind of electrode, electrode combination and power model.
Background technology
Power model is power electronic devices such as metal-oxide semiconductor (MOS) (power MOS pipe), insulated-gate type field effect crystalline substance
The power switch module that body pipe (IGBT), fast recovery diode (FRD) are combined and packaged into by certain function, it is mainly used in electricity
Power conversion under the various occasions such as electrical automobile, photovoltaic generation, wind-power electricity generation, industrial frequency conversion.
However, the lead division of power model of the prior art is connected by bolt with busbar, after installation, electrode draws
Going out portion can pull up or be pressed downward, and stress can be delivered to solder joint by main part, cause the premature fatigue failures of solder joint；Using
During, the stressing conditions of lead division can be also transferred to solder joint by vibration, can equally cause solder joint fatigue to fail.So as to cause work(
The solder joint lifetimes of rate module are relatively low, and reliability is poor.
Utility model content
Utility model purpose：The purpose of this utility model is to provide a kind of solder joint lifetimes height and the high electrode of reliability, electricity
Combine and power model pole.
Technical scheme：Electrode described in the utility model, including the leg being connected with solder joint, the main body that is connected with leg
Portion, and main body top bending lead division, main part is provided with engraved structure, and main part is to the throwing of plane where leg
Shadow is separated with leg.
In order to which mechanical stress is transmitted to leg when further avoiding pulling up lead division or being pressed downward lead division, the master
Body portion includes first with the angled connection of leg, and second with first angled connection.
Preferably, described second parallel to leg.
Preferably, the engraved structure includes the first groove, the second groove and the 3rd groove through main part obverse and reverse, its
In, the first groove includes extending downwardly out pod in the middle of translot, translot, and the second groove and the 3rd groove are respectively arranged on the both sides of pod.
Preferably, the engraved structure includes the 4th groove and the 5th groove through main part obverse and reverse, and is located at
6th groove of main part both sides and the 7th groove, wherein, the 4th groove is located at below the 6th groove, and the 5th groove is located at below the 7th groove.
Electrode combination described in the utility model, including positive electrode and negative electrode, positive electrode and/or negative electricity extremely this practicality
New described electrode.
Preferably, the positive electricity is extremely such as electrode described in the utility model；The main part of negative electrode includes
First of angle connection, and second with first angled connection.
Preferably, the engraved structure of the positive electrode main part includes the first groove through main part obverse and reverse, the
Two grooves and the 3rd groove, wherein, the first groove includes extending downwardly out pod in the middle of translot, translot, and the second groove and the 3rd groove are set respectively
In the both sides of pod.
Preferably, the engraved structure of the positive electrode main part includes the 4th groove through main part obverse and reverse and the
Five grooves, and the 6th groove and the 7th groove of main part both sides are located at, wherein, the 4th groove is located at below the 6th groove, and the 5th groove is located at
Below 7th groove.
Power model described in the utility model, using electrode described in the utility model.
Beneficial effect：Compared with prior art, the utility model has following beneficial effect：
1) setting of engraved structure of the present utility model, can be reduced when pulling up lead division or being pressed downward lead division
Mechanical stress is transmitted to leg, so as to improve the life-span of solder joint, improves the reliability of electrode；
2) projection of main part of the present utility model to plane where leg is separated with leg so that electricity of the present utility model
Pole can either use soldering, and ultrasonic wire bonding can be used again, and the flexibility of welding is strong, convenient processing；
3) electrode combination and power model employ electrode of the present utility model, it is possible to increase electrode combination and power mould
The life and reliability of block, can also improve the flexibility of welding.
Brief description of the drawings
Fig. 1 is the structural representation of the electrode combination of the first embodiment of the present utility model；
Fig. 2 is the structural representation of the electrode combination of second of embodiment of the present utility model；
Fig. 3 is the structure of the present utility model for employing the power model of electrode combination described in the first embodiment
Schematic diagram；
Fig. 4 is the structure of the present utility model for employing the power model of electrode combination described in second of embodiment
Schematic diagram.
Embodiment
The first embodiment of the present utility model is as shown in figure 1, in the first embodiment, electrode combination
Including positive electrode and negative electrode.Wherein, positive electrode includes the positive electrode leg 113 being connected with positive electrode solder joint and positive electrode is welded
The positive electrode main part 112 that pin 113 is connected, and the positive electrode lead division bent to the left from the top of positive electrode main part 112
111.Positive electrode main part 112 is provided with engraved structure, and engraved structure includes the through the obverse and reverse of positive electrode main part 112
One groove, the second groove 115 and the 3rd groove 116, wherein, the first groove includes extending downwardly out pod in the middle of translot 1141, translot 1141
1142, the second groove 115 and the 3rd groove 116 are respectively arranged on the both sides of pod 1142.As shown in figure 1, positive electrode main part 112 has
Bending segment to the left, and the free end of positive electrode leg 113 extends to the right, so that positive electrode main part 112 is to positive electrode
The projection of the place plane of leg 113 is separated with positive electrode leg 113 so that the electrode of present embodiment can either use pricker
Weldering, can use ultrasonic wire bonding again, and the flexibility of welding is strong, convenient processing.Negative electrode includes what is be connected with negative electrode solder joint
Negative electrode leg 123, the negative electrode main part 122 being connected with negative electrode leg 123, and the conceited top of electrode body portion 122
The negative electrode lead division 121 bent to the right.In order to further avoid pulling up negative electrode lead division 121 or be pressed downward negative electrode
Mechanical stress is transmitted to negative electrode leg 123 during lead division 121, and it is in 90 that negative electrode main part 122, which is included with negative electrode leg 123,
First 1221 of degree connection, and with first 1221 in 90 degree be connected second 1222.
The power model of electrode combination described in the first embodiment is employed as shown in Fig. 2 including located at insulation
The electrode combination of positive electrode, negative electrode and output electrode 17 on substrate 18, wherein positive electrode and negative electrode composition employs the
A kind of structure of embodiment.
Second of embodiment of the present utility model is as shown in figure 3, in second of embodiment, electrode combination
Including positive electrode and negative electrode.Wherein, positive electrode includes the positive electrode leg 213 being connected with positive electrode solder joint and positive electrode is welded
The positive electrode main part 212 that pin 213 is connected, and the positive electrode lead division bent to the left from the top of positive electrode main part 212
211.Positive electrode main part 212 is provided with engraved structure, and engraved structure includes the through the obverse and reverse of positive electrode main part 212
Four grooves 214 and the 5th groove 215, and the 6th groove 216 and the 7th groove 217 of the both sides of positive electrode main part 212 are located at, wherein, the
Four grooves 214 are located at the lower section of the 6th groove 216, and the 5th groove 215 is located at the lower section of the 7th groove 217.As shown in figure 3, positive electrode main part 212
With bending segment to the left, and the free end of positive electrode leg 213 extends to the right, so that positive electrode main part 212 is to just
The projection of the place plane of electrode leg 213 is separated with positive electrode leg 213 so that the electrode of present embodiment can either be adopted
With soldering, ultrasonic wire bonding can be used again, and the flexibility of welding is strong, convenient processing.Negative electrode includes connecting with negative electrode solder joint
The negative electrode leg 223 connect, the negative electrode main part 222 being connected with negative electrode leg 223, and conceited electrode body portion 222
The negative electrode lead division 221 that top is bent to the right.In order to further avoid pulling up negative electrode lead division 221 or be pressed downward bearing
Mechanical stress is transmitted to negative electrode leg 223 during electrode lead-out part 221, and negative electrode main part 222 includes and negative electrode leg 223
It is in 90 degree of second 2222 be connected in first 2221 of 90 degree of connections, and with first 2221.
The power model of electrode combination described in second of embodiment is employed as shown in figure 4, including located at insulation
The electrode combination of positive electrode, negative electrode and output electrode 27 on substrate 28, wherein positive electrode and negative electrode composition employs the
The structure of two kinds of embodiments.
Claims (10)
1. a kind of electrode, including leg, the main part that is connected with leg being connected with solder joint, and main body top bending
Lead division, it is characterised in that：Main part is provided with engraved structure, and the projection of main part to plane where leg is separated with leg.
2. electrode according to claim 1, it is characterised in that：The main part includes first with the angled connection of leg
Portion, and second with first angled connection.
3. electrode according to claim 2, it is characterised in that：Described second parallel to leg.
4. electrode according to claim 1, it is characterised in that：The engraved structure includes running through main part obverse and reverse
The first groove, the second groove and the 3rd groove, wherein, the first groove includes translot, extends downwardly out pod in the middle of translot, the second groove and the
Three grooves are respectively arranged on the both sides of pod.
5. electrode according to claim 1, it is characterised in that：The engraved structure includes running through main part obverse and reverse
The 4th groove and the 5th groove, and be located at the 6th groove and the 7th groove of main part both sides, wherein, the 4th groove is located under the 6th groove
Side, the 5th groove is located at below the 7th groove.
6. a kind of electrode combination, including positive electrode and negative electrode, it is characterised in that：Positive electrode and/or negative electricity are extremely as right will
Seek the electrode described in 1.
7. electrode combination according to claim 6, it is characterised in that：Positive electricity electricity extremely as claimed in claim 1
Pole；The main part of negative electrode includes first with the angled connection of leg, and second with first angled connection.
8. electrode combination according to claim 7, it is characterised in that：The engraved structure of the positive electrode main part includes passing through
The first groove, the second groove and the 3rd groove of main part obverse and reverse are worn, wherein, the first groove is included in the middle of translot, translot to downward
Pod is stretched out, the second groove and the 3rd groove are respectively arranged on the both sides of pod.
9. electrode combination according to claim 7, it is characterised in that：The engraved structure of the positive electrode main part includes passing through
The 4th groove and the 5th groove of main part obverse and reverse are worn, and is located at the 6th groove and the 7th groove of main part both sides, wherein, the
Four grooves are located at below the 6th groove, and the 5th groove is located at below the 7th groove.
10. a kind of power model, it is characterised in that：Using the electrode as described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113976.0U CN206379348U (en) | 2016-10-11 | 2016-10-11 | A kind of electrode, electrode combination and power model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113976.0U CN206379348U (en) | 2016-10-11 | 2016-10-11 | A kind of electrode, electrode combination and power model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206379348U true CN206379348U (en) | 2017-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113976.0U Active CN206379348U (en) | 2016-10-11 | 2016-10-11 | A kind of electrode, electrode combination and power model |
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| Country | Link |
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| CN (1) | CN206379348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400777A (en) * | 2018-04-25 | 2019-11-01 | 比亚迪股份有限公司 | A kind of combined electrode and power module and packaging method with it |
-
2016
- 2016-10-11 CN CN201621113976.0U patent/CN206379348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400777A (en) * | 2018-04-25 | 2019-11-01 | 比亚迪股份有限公司 | A kind of combined electrode and power module and packaging method with it |
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