CN216749596U - Capacitor electrode assembly structure - Google Patents
Capacitor electrode assembly structure Download PDFInfo
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- CN216749596U CN216749596U CN202122923965.6U CN202122923965U CN216749596U CN 216749596 U CN216749596 U CN 216749596U CN 202122923965 U CN202122923965 U CN 202122923965U CN 216749596 U CN216749596 U CN 216749596U
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Abstract
A capacitor electrode assembly structure comprising: the electrode, the conductive platform, the insulating fixing part, the mounting panel and the sealing gasket; the electrode is arranged on the mounting panel through the insulating fixing part, and the conductive platform is sleeved on the electrode and is in threaded fit with the electrode; the position where the electrode is matched with the conductive platform is set to be an inverted T-shaped structure, the lower surface of the conductive platform is contacted with the step surface at the position of the inverted T-shaped structure of the electrode, the sealing gasket and the electrode are coaxially arranged, and the conductive platform is pressed above the sealing gasket. The lower surface of the conductive platform is abutted against the step surface of the electrode, so that the contact area between the conductive platform and the electrode is ensured, and particularly, the smooth contact area between the conductive platform and the electrode is increased, so that the current carrying capacity between the conductive platform and the electrode is greatly improved.
Description
Technical Field
The utility model relates to a condenser field especially relates to a condenser electrode assembly structure.
Background
With the current of a high-power converter on the market becoming larger, the requirement on the current carrying value of a copper electrode led out from a main device capacitor in the converter becomes larger, the copper electrode led out from the capacitor on the market at present mostly adopts threaded connection, as shown in fig. 1, a current carrying surface between an electrode a1 and a conductive platform a2 is a threaded contact surface, and the current carrying capacity of the threads limits the current carrying capacity of the conductive platform. At present, in order to improve the current carrying capacity of a conductive platform of threaded connection, a mode of prolonging the threaded connection area, particularly the number of turns of thread rotation is adopted; however, this improvement often means that the capacitor must be increased in size and is not suitable for all applications.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect that the thread connection mode has restricted the current-carrying capacity of the conductive platform in the capacitor in the prior art, the utility model provides a capacitor electrode assembly structure and capacitor electrode's assembly method.
The utility model provides a pair of condenser electrode assembly structure has improved the current-carrying capacity between electrode and the electrically conductive platform greatly.
A capacitor electrode assembly structure comprising: the electrode, the conductive platform, the insulating fixing part, the mounting panel and the sealing gasket; the electrode is arranged on the mounting panel through the insulating fixing part, and the conductive platform is sleeved on the electrode and is in threaded fit with the electrode; the position where the electrode is matched with the conductive platform is set to be an inverted T-shaped structure, the lower surface of the conductive platform is contacted with the step surface at the position of the inverted T-shaped structure of the electrode, the sealing gasket and the electrode are coaxially arranged, and the conductive platform is pressed above the sealing gasket.
Preferably, a first surface extending part is arranged on the step surface of the inverted T-shaped structure, and a second surface extending part matched with the first surface extending part is arranged on the conductive platform; one of the first surface extension and the second surface extension is an annular groove coinciding with the central axis of the electrode, and the other one is a raised structure inserted into the annular groove.
Preferably, the central axis of the conductive platform coincides with the central axis of the electrode, and the direction perpendicular to the central axis of the electrode and taking a point on the central axis as an endpoint is taken as a radial direction; the width of the step surface in the radius direction is smaller than the width of the conductive platform in the radius direction.
Preferably, the insulating fixing part, the electrode and the conductive platform are matched to form a gap surrounding the periphery of the electrode, and the sealing gasket is arranged in the gap.
Preferably, the insulation fixing part comprises an upper insulation positioning sleeve and a lower insulation positioning sleeve; the electrode penetrates through the mounting panel, and the upper insulating positioning sleeve and the lower insulating positioning sleeve are sleeved on the periphery of the electrode; the upper insulating locating sleeve and the lower insulating locating sleeve are connected to clamp the mounting panel from the upper side and the lower side and isolate the mounting panel from the electrodes.
Preferably, the bottom end of the electrode is provided with a limiting structure for limiting the lower insulating positioning sleeve.
Preferably, one side of the upper insulating positioning sleeve facing the installation panel and/or one side of the lower insulating positioning sleeve facing the installation panel are/is provided with a sealing groove, and a sealing ring abutting against the installation panel is arranged in the sealing groove.
Preferably, lower insulating position cover comprises sealed tube and cover portion, and the sealed tube cover is established on the electrode, and cover portion is connected with the sealed tube and is located the sealed tube periphery, and cover portion and sealed tube cooperation form around the groove structure in sealed tube periphery, go up to be equipped with on the insulating position cover and insert the annular portion of inserting of groove structure, the inside wall of installation panel supports by annular portion of inserting.
Preferably, the seal groove is located at an outer periphery of the annular insertion portion.
The utility model has the advantages that:
(1) the lower surface of the conductive platform is abutted against the step surface of the electrode, so that the contact area between the conductive platform and the electrode is ensured, and particularly, the smooth contact area between the conductive platform and the electrode is increased, so that the current carrying capacity between the conductive platform and the electrode is greatly improved.
(2) The utility model discloses the traditional thinking that "increases the face of being connected between electrically conductive platform and the electrode through along threaded connection length" has been broken to improve current-carrying performance ". The utility model discloses in, it supports each other through smooth surface to support to improve the research direction between electrically conductive platform and the electrode, adopts for the first time to have proposed the utility model discloses, under the same threaded connection length, can show the current-carrying capacity who improves between electrode and the electrically conductive platform.
(3) The conductive platform is in threaded connection with the electrode, and extrusion force between the conductive platform and the step surface can be increased through threaded rotation, so that flexible adjustment of current carrying capacity is achieved.
(4) The arrangement of the first surface extension part and the second surface extension part enlarges the smooth contact area of the step surface and the conductive platform, and is favorable for further improving the current carrying capacity between the conductive platform and the step surface.
(5) The sealing gasket improves the sealing performance of the joint of the electrode and the conductive platform and improves the sealing effect.
(6) The utility model discloses in, go up insulating position sleeve and be the integral type structure with lower insulating position sleeve, simplified electrode assembly structure's constitution, be favorable to reduction in production cost to further improve structural stability.
Drawings
FIG. 1 is a sectional view of a conventional capacitor electrode assembly structure;
fig. 2 is a cross-sectional view of an electrode assembly structure of a capacitor according to the present invention;
fig. 3 is a cross-sectional view of another capacitor electrode assembly structure according to the present invention;
fig. 4 is a sectional view of another capacitor electrode assembly structure according to the present invention.
Illustration of fig. 1: a1, electrodes; a2, conductive platform;
illustration of fig. 2: 1. an electrode; 11. a step surface; 12. a first surface extension portion; 2. a conductive platform; 3. installing a panel; 4. an upper insulation positioning sleeve; 41. a sealing groove; 42. an annular insertion portion; 5. a lower insulating positioning sleeve; 51. a slot structure; 6. sealing gaskets; 7. a seal ring; 8. a limiting structure.
Detailed Description
Example 1
Referring to fig. 2, the capacitor electrode assembly structure provided in this embodiment is used to realize the threaded fixed connection between the electrode 1 and the conductive platform 2, and greatly improve the current carrying capacity between the electrode 1 and the conductive platform 2.
In this embodiment, the electrode 1 has a boss structure with a narrow top and a wide bottom, or an inverted T-shaped structure. The conductive platform 2 is sleeved on the upper part of the electrode 1, namely the conductive platform 2 is in threaded connection with the thin end with smaller radius on the upper part of the electrode 1. Through the relative rotation of the conductive platform 2 and the electrode 1, the conductive platform 2 is abutted against the shoulder of the electrode 1, namely the step surface 11 at the reducing position of the electrode 1.
Therefore, the conductive platform 2 is in threaded connection with the electrode 1, and the connection reliability of the conductive platform and the electrode is guaranteed. Through the mutual support of the lower surface of the conductive platform 2 and the step surface 11 of the electrode 1, the contact area between the conductive platform 2 and the electrode 1 is ensured, and particularly, the smooth contact area between the conductive platform 2 and the electrode 1 is increased, so that the current carrying capacity between the conductive platform 2 and the electrode 1 is greatly improved. In addition, in the embodiment, the extrusion force between the conductive platform 2 and the step surface 11 can be increased through the threaded rotation, so that the flexible adjustment of the current carrying capacity is realized.
Example 2
Referring to fig. 3, in addition to embodiment 1, in this embodiment, an annular projection formed integrally with the electrode 1 is provided on the step surface 11, and the annular projection is provided coaxially with the electrode 1 and is referred to as a first surface extension 12. The lower surface of the conductive platform 2 is provided with an annular groove matched with the annular bulge, and the annular groove is marked as a second surface extension part. The first surface extension 12 and the second surface extension are of mutually cooperating annular configurations, which do not affect the rotation of the conductive platform 2 with respect to the electrode 1. Meanwhile, the arrangement of the first surface extending part 12 and the second surface extending part enlarges the smooth contact area between the step surface 11 and the conductive platform 2, and is beneficial to further improving the current carrying capacity between the conductive platform 2 and the step surface 11.
In specific implementation, the first surface extension portion 12 on the step surface 11 may be configured as a groove, and the second surface extension portion on the lower surface of the conductive platform may be configured as a protrusion.
Example 3
In addition to embodiment 1, the capacitor electrode mounting structure in this embodiment further includes a mounting panel 3 and an insulating fixing portion.
In this embodiment, the insulating fixing portion includes: an upper insulating locating sleeve 4 and a lower insulating locating sleeve 5.
Lower insulating position sleeve 5 comprises sealed tube and cover portion, and the sealed tube cover is established on electrode 1 and is located below step face 11, and cover portion is connected with the sealed tube and is located the sealed tube periphery, and cover portion and sealed tube cooperation form around the groove structure 51 in sealed tube periphery, go up to be equipped with on the insulating position sleeve 4 and insert groove structure 51's annular portion of inserting 42, the inside wall of installation panel 3 supports and leans on annular portion of inserting 42.
Specifically, in this embodiment, the upper insulating positioning sleeve 4 and the lower insulating positioning sleeve 5 are vertically engaged with the mounting panel 3, so as to ensure the stability of the mounting panel 3. Meanwhile, in the embodiment, the upper insulating locating sleeve 4 and the lower insulating locating sleeve 5 are coaxially arranged with the electrode 1, so that the stability of the upper insulating locating sleeve 4 and the lower insulating locating sleeve 5 relative to the electrode 1 is ensured.
In this embodiment, the annular insertion portion is formed between the mounting panel 3 and the electrode 1, so that the upper insulating positioning sleeve 4 and the lower insulating positioning sleeve 5 are firmly connected, and the safety isolation between the mounting panel 3 and the electrode 1 is further ensured.
When this embodiment is further implemented, 1 bottom of electrode is equipped with and is used for carrying out spacing limit structure to insulating position sleeve 5 down to guarantee insulating position sleeve 5 down for electrode 1 stability on the axis direction of electrode 1, avoid insulating position sleeve 5 to slide on the axis direction of electrode 1 down, thereby it is fixed on the axis direction to go up insulating position sleeve 4 through insulating position sleeve 5 down, and further fixed mounting panel 3.
In further implementation of this embodiment, the upper insulating positioning sleeve 4 may be further arranged to cooperate with the electrode 1 and the conductive platform 2 to form a gap, so that the gap is filled with the sealing gasket 6, thereby improving the sealing property at the joint between the electrode 1 and the conductive platform 2 and improving the sealing effect. In practical implementation, the sealing gasket 6 can be disposed on the outer periphery or the inner periphery of the step surface 11, and the sealing gasket 6 is disposed on the inner periphery of the step surface 11, and actually, the gap is only composed of the electrode 1 and the conductive platform 2, as shown in fig. 4.
In this embodiment, the central axis of the conductive platform 2 coincides with the central axis of the electrode 1, and a direction perpendicular to the central axis of the electrode 1 and having a point on the central axis as an end point is referred to as a radial direction, that is, the radial direction is a radial direction of a circular cross section of the electrode 1. The width of the step surface 11 in the radius direction is smaller than that of the conductive platform 2 in the radius direction, which is equivalent to that the electrode 1 forms a two-section type diameter-changing structure with the step surface 11 as a transition surface at the step surface 11, namely, the part of the bottom surface of the conductive platform 2, which is attached to the step surface 11, is close to the inner side of the conductive platform 2. So, seal gasket 6 sets up in the periphery of electrode 1 periphery promptly the periphery of step face to convenient to install, and be favorable to guaranteeing the simplification of electrode 1 structure and gathering together, and be favorable to improving sealed effect.
When further implementing, this embodiment still can be equipped with seal groove 41 in the one side of last insulating position sleeve 4 towards installation panel 3, be equipped with the sealing washer 7 that leans on installation panel 3 in the seal groove 41 to improve the sealing performance between last insulating position sleeve 4 and the installation panel 3, still improve the extrusion force between installation panel 3 and the lower insulating position sleeve 5 through sealing washer 7 simultaneously, thereby guarantee the sealing performance between installation panel 3 and the lower insulating position sleeve 5. In this embodiment, the seal groove 41 is located at the outer periphery of the annular insertion portion 42 for easy installation.
In specific implementation, the sealing groove 41 may also be disposed on a surface of the lower insulating positioning sleeve 5 facing the mounting panel 3, so that the sealing ring 7 is located between the mounting panel 3 and the lower insulating positioning sleeve 5; alternatively, the sealing grooves 41 are provided on both the surface of the upper insulating spacer 4 facing the mounting panel 3 and the surface of the lower insulating spacer 5 facing the mounting panel 3, and the sealing rings 7 are provided in the respective sealing grooves 41.
This embodiment can also be used in combination with embodiment 2.
Example 4
This embodiment provides a method for assembling a capacitor electrode, which is particularly applicable to the capacitor electrode assembly structure described in embodiment 3.
The method comprises the following steps:
s1, obtaining an electrode 1, wherein a boss structure is formed at the upper part of the electrode 1, and a limiting structure 8 is arranged at the bottom of the electrode 1; insulating position sleeve 5 down is established to the cover on electrode 1, and limit structure 8 supports from the below and leans on insulating position sleeve 5 down in order to carry on spacingly to insulating position sleeve 5 down, prevents that insulating position sleeve 5 from breaking away from electrode 1 bottom down.
S2, penetrating the electrode 1 sleeved with the lower insulating positioning sleeve 5 through the installation panel 3, placing the installation panel 3 on the lower insulating positioning sleeve 5, and coaxially arranging the lower insulating positioning sleeve 5, the electrode 1 and the installation panel 3.
S3, sleeving an upper insulating positioning sleeve 4 on the electrode 1, clamping the upper insulating positioning sleeve 4 and a lower insulating positioning sleeve 5 with each other, enabling the upper insulating positioning sleeve 4 and the lower insulating positioning sleeve 5 to abut against the mounting panel 3 from the upper side and the lower side respectively, enabling the upper insulating positioning sleeve 4 and the lower insulating positioning sleeve 5 to be matched with each other to form an insulating fixing part, and isolating the mounting panel 3 from the electrode 1 through the insulating fixing part; go up insulating position sleeve 4 cooperation electrode 1 and be in the transition position of boss structure forms the annular groove, the annular groove is divided into first annular interval and second annular interval from top to bottom, and first annular interval is located the periphery of 1 butt of electrode, and the second annular interval is located the periphery of 1 thin end of electrode.
S4, placing a sealing gasket 6 in the first annular region, installing the conductive platform 2 in the second annular region, sleeving the conductive platform 2 on the electrode 1 and matching the conductive platform with the electrode 1 in a threaded manner, and enabling the lower surface of the conductive platform 2 to abut against the step surface 11 of the boss structure and the sealing gasket 6.
The lower surface of the conductive platform 2 is abutted to the step surface 11 of the boss structure, so that the current-carrying area and the current-carrying performance between the conductive platform 2 and the electrode 1 are improved, and meanwhile, the sealing performance between the conductive platform 2 and the electrode 1 is also improved through the sealing gasket 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (9)
1. A capacitor electrode assembly structure, comprising: the electrode structure comprises an electrode (1), a conductive platform (2), an insulating fixing part, a mounting panel (3) and a sealing gasket (6); the electrode (1) is arranged on the mounting panel (3) through the insulating fixing part, and the conductive platform (2) is sleeved on the electrode (1) and is in threaded fit with the electrode (1); the electrode (1) and the conductive platform (2) are matched to form an inverted T-shaped structure, the lower surface of the conductive platform (2) is in contact with a step surface (11) at the inverted T-shaped structure of the electrode (1), the sealing gasket (6) and the electrode (1) are coaxially arranged, and the conductive platform (2) is pressed above the sealing gasket (6).
2. The capacitor electrode assembly structure according to claim 1, wherein the step face (11) at the inverted T-shaped structure is provided with a first face extension (12), and the conductive platform (2) is provided with a second face extension which is matched with the first face extension (12); one of the first surface extension part (12) and the second surface extension part is an annular groove coincident with the central axis of the electrode (1), and the other one is a convex structure inserted into the annular groove.
3. The capacitor electrode assembly structure according to claim 1, wherein the center axis of the conductive land (2) coincides with the center axis of the electrode (1), and a direction perpendicular to the center axis of the electrode (1) and having a point on the center axis as an end point is referred to as a radial direction; the width of the step surface (11) in the radius direction is smaller than that of the conductive platform (2) in the radius direction.
4. A capacitor electrode assembly structure according to claim 3, wherein the insulating fixing portion cooperates with the electrode (1) and the conductive land (2) to form a gap around the outer periphery of the electrode (1), and the sealing gasket (6) is disposed in the gap.
5. The capacitor electrode assembly structure according to claim 4, wherein the insulating fixing portion comprises an upper insulating positioning bush (4) and a lower insulating positioning bush (5); the electrode (1) penetrates through the mounting panel (3), and the upper insulating positioning sleeve (4) and the lower insulating positioning sleeve (5) are sleeved on the periphery of the electrode (1); the upper insulating locating sleeve (4) is connected with the lower insulating locating sleeve (5) so as to clamp the mounting panel (3) from the upper side and the lower side and isolate the mounting panel (3) from the electrode (1).
6. The capacitor electrode assembly structure according to claim 5, wherein the bottom end of the electrode (1) is provided with a limiting structure for limiting the lower insulating positioning sleeve (5).
7. The capacitor electrode assembly structure according to claim 5, wherein a sealing groove (41) is provided on a surface of the upper insulating positioning sleeve (4) facing the mounting panel (3) and/or on a surface of the lower insulating positioning sleeve (5) facing the mounting panel (3), and a sealing ring (7) abutting against the mounting panel (3) is provided in the sealing groove (41).
8. The capacitor electrode assembly structure according to claim 7, wherein the lower insulating and positioning sleeve (5) is composed of a sealing tube fitted over the electrode (1) and a sleeve portion connected to the sealing tube and located at the outer periphery of the sealing tube, the sleeve portion and the sealing tube cooperate to form a groove structure (51) around the outer periphery of the sealing tube, an annular insertion portion (42) inserted into the groove structure (51) is provided on the upper insulating and positioning sleeve (4), and the inner side wall of the mounting panel (3) abuts against the annular insertion portion (42).
9. The capacitor electrode assembly structure according to claim 8, wherein the seal groove (41) is located at an outer periphery of the annular insertion portion (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122923965.6U CN216749596U (en) | 2021-11-24 | 2021-11-24 | Capacitor electrode assembly structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122923965.6U CN216749596U (en) | 2021-11-24 | 2021-11-24 | Capacitor electrode assembly structure |
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| CN216749596U true CN216749596U (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242451A (en) * | 2021-11-24 | 2022-03-25 | 安徽铜峰电子股份有限公司 | Capacitor electrode assembly structure and capacitor electrode assembly method |
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2021
- 2021-11-24 CN CN202122923965.6U patent/CN216749596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242451A (en) * | 2021-11-24 | 2022-03-25 | 安徽铜峰电子股份有限公司 | Capacitor electrode assembly structure and capacitor electrode assembly method |
| CN114242451B (en) * | 2021-11-24 | 2024-06-11 | 安徽铜峰电子股份有限公司 | Capacitor electrode assembly structure and capacitor electrode assembly method |
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