CN202888162U - Electrode - Google Patents
Electrode Download PDFInfo
- Publication number
- CN202888162U CN202888162U CN 201220601537 CN201220601537U CN202888162U CN 202888162 U CN202888162 U CN 202888162U CN 201220601537 CN201220601537 CN 201220601537 CN 201220601537 U CN201220601537 U CN 201220601537U CN 202888162 U CN202888162 U CN 202888162U
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- China
- Prior art keywords
- connecting pin
- electrode
- connects
- joint face
- diode
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Abstract
The utility model relates to improvement of an electrode of a diode power module in a power semiconductor module, and provides an electrode with a simple structure. The electrode reduces the complexity of a diode module substrate, and improves the module stability. The electrode comprises a sheet body and a connecting pin, wherein the connecting pin is of a dual-pin structure and comprises a connecting pin I, a connecting pin II and a transverse joint part; the connecting pin I and the connecting pin II are at the bottom part of the transverse joint part and connected through the transverse joint part; the top part of the transverse joint part is connected to the body; the bottom surface of the connecting pin I is a connecting surface I; the bottom surface of the connecting pin II is a connecting surface II; and a span connecting structure is formed between the two connecting surfaces. The electrode has the following advantages that 1, the dual-pin structure is adopted, and diode chips are connected under the absence of conductors such as a cross structure; the complexity of the diode module is reduced; and the stability of the diode module is greatly improved; 2, the connecting pins adopt bent shapes, and are strong in stress resistance; and 3, the electrode is simple in structure and convenient to use.
Description
Technical field
The utility model relates to the improvement to the electrode of diode power module in the power semiconductor modular.
Background technology
The three phase rectifier power model is the rectifier of diode (led) module normally, it utilizes the unilateal conduction characteristic of diode can realize full-wave rectification function to three-phase alternating current, be widely used in alternating current and turn in the galvanic circuit, such as direct current machine, Switching Power Supply, electric welding machine, DC power supply, PMW frequency converter etc.
At present, diode (led) module is mainly by forming six rectifier diode chips of bridge architecture, covering copper ceramic substrate (DBC), copper base and the formations such as shell, electrode and holding wire.
In the prior art, electrode 1 only has a connecting pin 3 usually as shown in Figure 8, in module, is used for realizing electrical connection on the diode chip for backlight unit welding DBC Copper Foil.Because six rectifier diode chips are bridge architecture at substrate, this diode chip for backlight unit and electrode 1 electrical connection terminal must with another diode chip for backlight unit one end electrical communication.Because electrode 1 only has a connecting pin 3, if an end of another diode chip for backlight unit is the diode chip for backlight unit electrical communication therewith, must be connected on the substrate by connecting bridge and so on conductor, this kind separately connects has increased circuit complexity on the substrate, brings simultaneously very large unsteadiness.
The utility model content
The utility model provides a kind of simple in structure for above problem, reduces diode (led) module substrate complexity, improves the electrode of module stability.
Technical solutions of the utility model are: comprise sheet noumenon and connecting pin, described connecting pin is double-legged structure, comprise connecting pin one, connecting pin two and the horizontal part that connects, described connecting pin one and connecting pin two are in and describedly horizontally connect the bottom of part and link to each other by the described horizontal part that connects, and the described horizontal top partly that connects connects described body; The bottom surface of described connecting pin one is joint face one, and the bottom surface of described connecting pin two is to form the span syndeton between joint face two, the two described joint faces.
L shaped, the C shape that is shaped as bending or the S shape of described connecting pin.
Described joint face one is in the same plane with described joint face two.
Described joint face one is mutually parallel with described joint face two, has difference in height h.
The described horizontal part that connects comprises horizontal part one and the horizontal part two that connects of connecing, and describedly horizontally connects part one and horizontal connecing has 30-170 ° of angle between the part two, so that described connecting pin one and connecting pin two form 30-170 ° of angle mutually.
The utility model has following advantage one, adopts double-legged structure, connects between the diode chip for backlight unit to need not to connect by connecting bridge and so on conductor, reduces the diode (led) module complexity, greatly improves the stability of diode (led) module; Two, connecting pin adopts bending shape, make it have the ability of better strain, when in use the electrode section of drawing being produced the continuation pulling force that makes progress, strain can effectively reduce the impact on tension stress between electrode and the substrate, thereby effectively avoid weld failure on the substrate with diode (led) module, greatly improve useful life; Three, reasonable in design, simple in structure, the convenient use.
Description of drawings
Fig. 1 is the utility model the first execution mode structural representation,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the vertical view of Fig. 2,
Fig. 4 is the stereogram of Fig. 3,
Fig. 5 is the connecting pin structural representation of the utility model the second execution mode,
Fig. 6 is the third execution mode structural representation of the utility model,
Fig. 7 is the 4th kind of execution mode stereogram of the utility model,
Fig. 8 is the electrode structure schematic diagram of background technology;
1 is body among the figure, the 2nd, and the horizontal part that connects, the 21st, horizontal part one, the 22 horizontal part two, 3rd that connects that connects, connecting pin, the 31st, connecting pin one, 32nd, connecting pin two, 310th, joint face one, 320th, joint face two, h are differences in height.
Embodiment
The utility model is shown in Fig. 1-7: comprise sheet noumenon 1 and connecting pin 3, described connecting pin 3 is double-legged structure, comprise connecting pin 1, connecting pin 2 32 and the horizontal part 2 that connects, described connecting pin 1 and connecting pin 2 32 are in and describedly horizontally connect the bottom of part 2 and link to each other by the described horizontal part 2 that connects, and the described horizontal top that connects part 2 connects described body 1; The bottom surface of described connecting pin 1 is joint face 1, and the bottom surface of described connecting pin 2 32 is joint face 2 320, forms the span syndeton between the two described joint faces.By said structure, described electrode 1 is not only as the diode (led) module exit, also plays to connect bridge between the chip, the stability of the globality Effective Raise diode (led) module of described body 1.
The utility model the first execution mode is shown in Fig. 1-4: as described in connecting pin 3 be bending C shape, the end face length of side of described connecting pin 3 is the joint face length of side greater than the bottom surface, when being subject to external force, can effectively less described joint face stressed, avoid the bottom surface weld failure with described diode (led) module.The shape of described connecting pin 3 can also be the L shaped of bending, decides according to actual conditions.
The utility model the second execution mode: described connecting pin 3 is bending S shape (as shown in Figure 5), like this, in use, when external force produces the continuation pulling force that makes progress to described body 1, the convergent force that produces when the strain by S shape, can effectively reduce the impact on tension stress between the substrate of described body 1 and diode (led) module, thereby effectively avoid weld failure; On the other hand, because of other factors build-ups of pressure such as misoperation when excessive, restoring force by the S type produces when the strain can effectively reduce the impact on compression between described body 1 and the described substrate, thereby effectively reduce the damage that 1 pair of described substrate of described body causes.
Described joint face 1 is in the same plane with described joint face 2 320, and its connective stability is higher.
The third execution mode of the utility model is as shown in Figure 6: described joint face 1 is parallel to each other with described joint face 2 320, has difference in height h, design syndeton according to the substrate of described diode (led) module, when being equipped with difference in height for the connection bit that connects described joint face 1 and described joint face 2 320, adopt this kind execution mode.
The 4th kind of execution mode of the utility model be as shown in Figure 7: the described horizontal part 2 that connects comprises horizontal part 1 and the horizontal part 2 22 that connects of connecing, describedly horizontally connect part 1 and horizontal connecing has 30-170 ° of angle between the part 2 22, so that described connecting pin 1 and connecting pin 2 32 form 30-170 ° of angle mutually, along with the technology development, substrate circuit design to diode (led) module is continued to optimize, when the described diode chip for backlight unit dystopy of needs connects, adopt this kind execution mode.
Claims (5)
1. electrode, comprise sheet noumenon and connecting pin, it is characterized in that, described connecting pin is double-legged structure, comprise connecting pin one, connecting pin two and the horizontal part that connects, described connecting pin one and connecting pin two are in and describedly horizontally connect the bottom of part and link to each other by the described horizontal part that connects, and the described horizontal top partly that connects connects described body; The bottom surface of described connecting pin one is joint face one, and the bottom surface of described connecting pin two is to form the span syndeton between joint face two, the two described joint faces.
2. described electrode according to claim 1 is characterized in that, L shaped, the C shape that is shaped as bending or the S shape of described connecting pin.
3. described electrode according to claim 1 is characterized in that, described joint face one is in the same plane with described joint face two.
4. described electrode according to claim 1 is characterized in that described joint face one is mutually parallel with described joint face two, has difference in height h.
5. arbitrary described electrode according to claim 1-4, it is characterized in that, the described horizontal part that connects comprises horizontal part one and the horizontal part two that connects of connecing, and describedly horizontally connects part one and horizontal connecing has 30-170 ° of angle between the part two, so that described connecting pin one and connecting pin two form 30-170 ° of angle mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601537 CN202888162U (en) | 2012-11-14 | 2012-11-14 | Electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220601537 CN202888162U (en) | 2012-11-14 | 2012-11-14 | Electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888162U true CN202888162U (en) | 2013-04-17 |
Family
ID=48079557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220601537 Expired - Fee Related CN202888162U (en) | 2012-11-14 | 2012-11-14 | Electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888162U (en) |
-
2012
- 2012-11-14 CN CN 201220601537 patent/CN202888162U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 225008 No. 26 Middle Road, Pioneer Park, Weiyang Economic Development Zone, Jiangsu, Yangzhou Patentee after: JIANGSU YANGJIE SEMICONDUCTOR Co.,Ltd. Address before: 225008 No. 26 Middle Road, Pioneer Park, Weiyang Economic Development Zone, Jiangsu, Yangzhou Patentee before: JIANGSU APT SEMICONDUCTOR Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20211114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |