CN209929142U - Leading-out electrode plate of IGBT (insulated gate bipolar transistor) absorption capacitor - Google Patents
Leading-out electrode plate of IGBT (insulated gate bipolar transistor) absorption capacitor Download PDFInfo
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- CN209929142U CN209929142U CN201921098991.6U CN201921098991U CN209929142U CN 209929142 U CN209929142 U CN 209929142U CN 201921098991 U CN201921098991 U CN 201921098991U CN 209929142 U CN209929142 U CN 209929142U
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- connecting plate
- plate
- inner connecting
- limiting plate
- out electrode
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Abstract
The utility model discloses a leading-out electrode plate of an IGBT (insulated gate bipolar translator) absorption capacitor, which consists of an external connecting plate, a first internal connecting plate, a second internal connecting plate and a limiting plate, wherein the external connecting plate is perpendicular to the top end of the front end face of the first internal connecting plate; the second inner connecting plate is connected to the left side surface or the right side surface of the first inner connecting plate. The left side and the right side of the external connection plate are symmetrically provided with a limiting plate located below the external connection plate, the limiting plate is perpendicular to the external connection plate, and a positioning groove is formed between the first internal connection plate and the limiting plate. The utility model discloses a condenser draws forth electrode slice and has set up the decurrent limiting plate of bending in the left and right sides of outer fishplate bar, has formed a constant head tank between limiting plate of bending and the first inner connecting plate, and the width L of constant head tank requires to be set for according to the condenser assembly. During assembly, auxiliary tool positioning is not needed, the relative position of the shell of the capacitor and the lead-out electrode plate is limited, the shell wall of the capacitor is arranged in the positioning groove, the relative position consistency of the electrode plate and the shell is good, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a capacitor draw electrode slice, concretely relates to IGBT absorption capacitor draw electrode slice.
Background
The position of a lead-out electrode plate of an absorption capacitor on an IGBT module relative to a shell must be fixed, and in order to achieve the aim, the lead-out electrode plate and the shell of the capacitor are positioned through an auxiliary tool in the prior art, and then assembly is achieved. The method needs to use a tool, and the steps of positioning the upper tool and detaching the upper tool from the lower tool are added in the assembling process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an electrode piece is drawn forth to assembly need not frock, has locate function's condenser.
The technical scheme for realizing the purpose of the utility model is that the leading-out electrode plate of the IGBT absorption capacitor consists of an external connecting plate, a first internal connecting plate, a second internal connecting plate and a limiting plate, wherein the external connecting plate is perpendicular to the top end of the front end face of the first internal connecting plate; the second inner connecting plate is connected to the left side surface or the right side surface of the first inner connecting plate, and the second inner connecting plate is perpendicular to the rear end surface of the first inner connecting plate; the outer connecting plate is located in front of the first inner connecting plate, and the second inner connecting plate is located behind the first inner connecting plate.
The left side and the right side of the external connection plate are symmetrically provided with a limiting plate located below the external connection plate, the limiting plate is perpendicular to the external connection plate, and a positioning groove is formed between the first internal connection plate and the limiting plate.
The second inner connecting plates of the positive and negative lead-out electrode plates are positioned at different sides of the first inner connecting plate.
The outer connecting plate and the first inner connecting plate are obtained by bending a rectangular copper plate by 90 degrees.
The second inner connecting plate is composed of one or two or three parallel rectangular copper bars.
The utility model discloses has positive effect: the utility model discloses a condenser draws forth electrode slice and has set up the decurrent limiting plate of bending in the left and right sides of outer fishplate bar, has formed a constant head tank between limiting plate of bending and the first inner connecting plate, and the width L of constant head tank requires to be set for according to the condenser assembly. During assembly, auxiliary tool positioning is not needed, the relative position of the shell of the capacitor and the lead-out electrode plate is limited, the shell wall of the capacitor is arranged in the positioning groove, the relative position consistency of the electrode plate and the shell is good, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of a lead-out electrode sheet having a first structure.
Fig. 2 is a schematic perspective view of a lead-out electrode sheet having a second structure.
Fig. 3 is a schematic view of mounting of the lead electrode tab.
The reference numbers in the above figures are as follows:
the outer fishplate bar 1, first fishplate bar 2, second fishplate bar 3, limiting plate 4, constant head tank 5.
Detailed Description
(example 1)
Referring to fig. 1 to 3, the extraction electrode sheet of the IGBT absorption capacitor of the present embodiment is composed of an external connection plate 1, a first internal connection plate 2, a second internal connection plate 3, and a limiting plate 4.
A rectangular copper plate is bent by 90 degrees to obtain an external connecting plate 1 and a first internal connecting plate 2 which are perpendicular to each other, and the external connecting plate 1 is perpendicular to the top end of the front end face of the first internal connecting plate 2. The outer connecting plate 1 is provided with a connecting hole.
The first inner joint plate 2 is a vertically disposed flat plate, and includes a front end face, a rear end face, a left side face, a right side face, an upper surface and a lower surface.
The second internal connection plate 3 is connected to the left side surface or the right side surface of the first internal connection plate 2, and is disposed on the left side surface in fig. 1 and on the right side surface in fig. 2. The second inner connecting plates 3 of the positive and negative lead-out electrode plates are positioned at different sides of the first inner connecting plate 2.
The second internal connection plate 3 is perpendicular to the rear end face of the first internal connection plate 2 and is located at the rear side of the first internal connection plate 2. Namely, the outer joint plate 1 is positioned in front of the first inner joint plate 2, and the second inner joint plate 3 is positioned behind the first inner joint plate 2.
In this embodiment, the second internal connection plate 3 is composed of two parallel rectangular copper bars. Or 1, 3 or 4 copper bars.
The left side and the right side of the outer connecting plate 1 are symmetrically provided with a limiting plate 4 positioned below the outer connecting plate, and the limiting plates 4 are perpendicular to the outer connecting plate 1.
For example, the position limiting plate 4 may be formed by cutting two parallel cuts from top to bottom at the set positions on the left and right sides of the rectangular plate where the outer plate 1 is located, and then bending the cut parallel cuts downward.
A positioning groove 5 is formed between the first inner connecting plate 2 and the limiting plate 4, and the width L of the positioning groove is set according to the assembly requirement. As shown in fig. 3, the wall of the capacitor case is clamped in the positioning groove 5 to realize positioning and assembly.
When the lead-out electrode plate is used, the lead-out electrode plate is clamped with the wall of the capacitor shell through the positioning groove 5, and positioning and assembling with the capacitor shell are completed in one step. The external connection plate 1 is located outside the capacitor case for connection to other components in the circuit.
The first internal plate 2 and the second internal plate 3 are located inside the capacitor case. Specifically, the metal spraying surface of the core is parallel to the surface of the second inner connecting plate 3, the second inner connecting plate 3 of the positive and negative lead-out electrode plates are respectively welded with the two metal spraying surfaces of the core, and the first inner connecting plate 2 is insulated from the core.
Claims (4)
1. The utility model provides a lead-out electrode slice of IGBT absorption capacitor which characterized in that: the device comprises an outer connecting plate (1), a first inner connecting plate (2), a second inner connecting plate (3) and a limiting plate (4), wherein the outer connecting plate (1) is perpendicular to the top end of the front end face of the first inner connecting plate (2); the second inner connecting plate (3) is connected to the left side face or the right side face of the first inner connecting plate (2), and the second inner connecting plate (3) is perpendicular to the rear end face of the first inner connecting plate (2); the outer connecting plate (1) is positioned in front of the first inner connecting plate (2), and the second inner connecting plate (3) is positioned behind the first inner connecting plate (2);
the left side and the right side of the outer connecting plate (1) are symmetrically provided with a limiting plate (4) located below the outer connecting plate, the limiting plate (4) is perpendicular to the outer connecting plate (1), and a positioning groove (5) is formed between the first inner connecting plate (2) and the limiting plate (4).
2. The extraction electrode sheet of the IGBT absorption capacitor according to claim 1, characterized in that: the second inner connecting plates (3) of the positive and negative lead-out electrode plates are positioned on different sides of the first inner connecting plate (2).
3. The extraction electrode sheet of the IGBT absorption capacitor according to claim 1, characterized in that: the outer connecting plate (1) and the first inner connecting plate (2) are obtained by bending a rectangular copper plate by 90 degrees.
4. The extraction electrode sheet of the IGBT absorption capacitor according to claim 1, characterized in that: the second inner connecting plate (3) is composed of one or two or three parallel rectangular copper bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098991.6U CN209929142U (en) | 2019-07-12 | 2019-07-12 | Leading-out electrode plate of IGBT (insulated gate bipolar transistor) absorption capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921098991.6U CN209929142U (en) | 2019-07-12 | 2019-07-12 | Leading-out electrode plate of IGBT (insulated gate bipolar transistor) absorption capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209929142U true CN209929142U (en) | 2020-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921098991.6U Active CN209929142U (en) | 2019-07-12 | 2019-07-12 | Leading-out electrode plate of IGBT (insulated gate bipolar transistor) absorption capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929142U (en) |
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2019
- 2019-07-12 CN CN201921098991.6U patent/CN209929142U/en active Active
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