Capacitor mounting base plate

By designing a capacitor mounting base plate and utilizing a support arm and terminal welding groove structure, the problem of surface mount capacitors shaking under automotive vibration conditions was solved, achieving stable installation and extended lifespan of the capacitors.

CN223770964UActive Publication Date: 2026-01-06SHENZHEN JIANGHAO ELECTRON
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Patent Information

Application Number
CN202423220036.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-01-06
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In the existing technology, surface mount capacitors are prone to shaking in the bumpy and vibrating environment of a car, which can cause the positive and negative terminals to become loose or damaged, affecting the life of the capacitor.

Method used

Design a capacitor mounting base plate, including a support arm forming a cavity and a terminal guide groove, to ensure that the capacitor is stably mounted on the circuit board. The capacitor is fixed by the support arm and terminal welding groove structure, which can adapt to complex vibration environment.

Benefits of technology

This technology enables the capacitor to be stably installed in complex vibration environments, avoiding poor contact or loosening caused by shaking and extending the capacitor's service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a capacitor mounting base plate, which is used for mounting a capacitor and comprises a base plate main body, a plurality of supporting arms are arranged on the periphery of the inner surface of the base plate main body in a vertical extending manner, and a cavity for mounting the capacitor is defined by the inner sides of the plurality of supporting arms; an open groove penetrating through the inner surface of the seat plate main body and the outer surface of the seat plate main body is formed in the seat plate main body; a terminal guide groove is formed in the outer surface of the seat plate main body; and a terminal welding placement groove connected with the terminal guide groove is formed in the bottom surface of the seat plate main body and is used for placing a welding end of a capacitor leading-out terminal. According to the capacitor mounting base plate, the capacitor can be stably and firmly mounted and fixed on the circuit board, so that the capacitor mounting base plate can adapt to various complicated application environments with bumpiness and vibration.
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Description

Technical Field

[0001] This utility model belongs to the field of electronic device technology, and in particular relates to a capacitor mounting plate. Background Technology

[0002] Surface mount capacitors are widely used in consumer electronics, communication products, computers and peripherals, new energy, automation control, automotive industry, optoelectronic products, high-speed rail and aviation and military equipment, etc.

[0003] With the development of new energy vehicles, many surface mount capacitors have been applied to them. Given the complex usage scenarios and safety considerations of automobiles, the installation requirements for surface mount capacitors used in automobiles are relatively high. It is necessary to ensure that the surface mount capacitors can be stably installed and fixed, and will not shake due to the vibration of the vehicle during long-term use, so as to avoid poor contact or loosening of contacts caused by shaking, which could lead to circuit failure.

[0004] However, the surface mount capacitors currently used in new energy vehicles do not adequately consider the installation and fixing issues. They are simply soldered to the circuit board with the positive and negative terminals. During long-term use of the vehicle, the capacitor is prone to shaking due to the bumps and vibrations of the car. Over time, this shaking can eventually cause the positive and negative terminals to loosen or be damaged, thus affecting the lifespan of the capacitor product.

[0005] Therefore, it is necessary to conduct research and development on the existing technologies to provide a solution that allows capacitors to be stably and securely mounted on circuit boards to adapt to complex application environments with various bumps and vibrations.

[0006] The above background information is provided only to aid in understanding the inventive concept and technical solution of this utility model. It does not necessarily belong to the prior art of this patent application. In the absence of clear evidence that the above information was disclosed on the filing date of this patent application, the above background information should not be used to evaluate the novelty and inventiveness of this application. Utility Model Content

[0007] The purpose of this invention is to provide a capacitor mounting base plate to solve at least one of the problems mentioned above in the background section.

[0008] To achieve the above objectives, the technical solution of this utility model embodiment is implemented as follows:

[0009] A capacitor mounting base plate for mounting capacitors includes a base plate body, a plurality of support arms extending vertically along the periphery of the inner surface of the base plate body, the inner sides of the plurality of support arms forming a cavity for mounting the capacitor; a slot is provided on the base plate body, penetrating the inner surface and the outer surface of the base plate body; a terminal guide groove is provided on the outer surface of the base plate body; and a terminal welding placement groove connected to the terminal guide groove is provided on the bottom surface of the base plate body for placing the welding ends of the capacitor leads.

[0010] In some embodiments, the bottom surface of the base plate body is configured as a flat plane for mounting and fixing the base plate onto the circuit board.

[0011] In some embodiments, the inner sides of the plurality of support arms are provided with arcuate surfaces, and the inner sides of the plurality of support arms enclose a cylindrical cavity.

[0012] In some embodiments, the plurality of support arms includes a first support arm, a second support arm, a third support arm, and a fourth support arm; wherein the first support arm, the second support arm, and the third support arm are located on one half of the seat body, while the fourth support arm is located on the other half of the seat body.

[0013] In some embodiments, the slots are respectively provided between the second support arm and the first and third support arms.

[0014] In some embodiments, recesses are provided between the first support arm and the fourth support arm, and between the third support arm and the fourth support arm; wherein the recesses are higher than the inner surface of the seat plate body.

[0015] In some embodiments, the slots are symmetrically arranged with the center line of the outer surface of the base plate body as the center, and the terminal guide slots are connected to the slots.

[0016] In some embodiments, the terminal welding placement groove includes a first placement groove and a second placement groove, wherein the first placement groove and the second placement groove form an L-shape on the bottom surface of the base plate body.

[0017] In some embodiments, the first placement slot and the second placement slot are respectively connected to the terminal guide slot; the connection between the first placement slot, the second placement slot and the terminal guide slot is provided as an arc transition.

[0018] In some embodiments, the depth and width of the terminal guide groove are equal.

[0019] The beneficial effects of this utility model's technical solution are:

[0020] Compared with existing technologies, the capacitor mounting base plate of this utility model can stably and firmly mount and fix the capacitor on the circuit board to adapt to various complex application environments with bumps and vibrations. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a perspective view of a capacitor mounting base plate according to an embodiment of the present invention;

[0023] Figure 2 This is a three-dimensional schematic diagram of another embodiment of the capacitor mounting base plate of this utility model from another angle;

[0024] Figure 3 This is another perspective view of a capacitor mounting base plate according to an embodiment of this utility model;

[0025] Figure 4 This is a schematic diagram of a capacitor mounting base plate according to an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of a capacitor mounting base plate and capacitor mounting according to an embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of a capacitor mounting base plate and another capacitor mounted according to one embodiment of the present invention. Detailed Implementation

[0028] To make the technical problems, technical solutions, and beneficial effects of the embodiments of this utility model clearer and more understandable, and to enable those skilled in the art to better understand the solutions of this utility model, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0029] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as "connected to" another component, it can be directly connected to or indirectly connected to that other component. Furthermore, a connection can be for both fixing and circuit connection purposes.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this utility model, unless otherwise expressly specified and limited, "multiple" means two or more. Terms such as "installed," "connected," "joined," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two components or an interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] Reference Figures 1-3 As shown in the figure, as an embodiment of the present invention, a capacitor mounting base 200 is provided for mounting a capacitor 100. The capacitor mounting base 200 includes: a base body 10, a plurality of support arms extending vertically along the periphery of the inner surface of the base body 10, the inner sides of the plurality of support arms forming a cavity 20 for mounting the capacitor; a slot 101 is provided on the base body 10, penetrating the inner surface and the outer surface of the base body 10; a terminal guide groove 102 is provided on the outer surface of the base body 10; the bottom surface of the base body 10 is set as a flat plane for mounting and fixing the base 200 onto a circuit board, and a terminal welding placement groove 103 connected to the terminal guide groove 102 is provided on the bottom surface for placing the welding end 212 of the capacitor lead-out terminal 21.

[0033] Reference Figure 1As shown, the inner sides of the plurality of support arms are configured with arc-shaped surfaces, thereby forming a cylindrical cavity that can be adapted to a circular capacitor. It should be noted that in some other embodiments, the inner sides of the plurality of support arms can also be configured with other shapes, such as being planar, with the inner sides of multiple support arms forming a square cavity to be adapted to a square capacitor.

[0034] Reference Figure 1 As shown, in one embodiment, the plurality of support arms includes a first support arm 104, a second support arm 105, a third support arm 106, and a fourth support arm 107; wherein the first support arm 104, the second support arm 105, and the third support arm 106 are located on one half of the seat body 10, while the fourth support arm 107 is located on the other half of the seat body 10; the second support arm 105 is provided with a slot 101 between it and the first support arm 104 and the third support arm 106. A notch 108 is provided between the first support arm 104 and the fourth support arm 107, and correspondingly, a notch 108 is also provided between the third support arm 106 and the fourth support arm 107; the notch 108 is higher than the inner surface of the seat body 10.

[0035] Reference Figure 2 , Figure 3 As shown, the slot 101 is symmetrically arranged with the center line of the outer surface of the base plate body 10 as the center, and the terminal guide groove 102 is connected to the slot 101; correspondingly, the terminal guide groove 102 is symmetrically arranged on both sides of the outer surface of the base plate body 10. In some embodiments, the slot width of the slot 102 is greater than or equal to the width of the terminal guide groove 102.

[0036] The terminal welding placement groove 103 includes a first placement groove 1031 and a second placement groove 1032. The first placement groove 1031 and the second placement groove 1032 form an L-shape on the bottom surface of the base plate body 10. The first placement groove 1031 and the second placement groove 1032 are respectively connected to the terminal guide groove 102. The connection between the first placement groove 1031, the second placement groove 1032 and the terminal guide groove 102 is set with an arc transition.

[0037] Reference Figure 3 , Figure 4 As shown, on the outer surface of the base plate body 10, the direction parallel to the outer surface of the base plate body 10 is defined as the width direction, and the direction perpendicular to the outer surface of the base plate body 10 is defined as the depth direction. In some embodiments, the depth d of the terminal guide groove 102 is equal to its width w; the width w of the first placement groove 1031... `The first placement groove 1031 has the same width w as the terminal guide groove 102, and a depth d. ` The depth d of the terminal guide groove 102 is twice the width direction. On the bottom surface of the base plate body 10, the direction parallel to the bottom surface of the base plate body 10 is defined as the width direction, and the direction perpendicular to the bottom surface of the base plate body 10 is defined as the depth direction. In some embodiments, the depth of the second placement groove 1032 is equal to the depth of the terminal guide groove 102. In some embodiments, the width of the second placement groove 1032 is equal to the width of the terminal guide groove 102. In some embodiments, the width of the second placement groove 1032 is twice the width of the terminal guide groove.

[0038] Reference Figure 5 As shown, when the capacitor 100 is mounted on the capacitor mounting base 200 of this invention, the positive and negative terminals 21 and 22 of the capacitor 100 pass through the slot 101, are guided by the terminal guide groove 102, and then the soldering ends of the positive and negative terminals 21 and 22 are placed in the terminal soldering placement groove 103, and then soldered onto the circuit board. The bottom surface of the base body is tightly attached to the circuit board. In some embodiments, the width of the terminal guide groove 102 is set to match the diameter of the positive and negative terminals 21 and 22 of the capacitor, thereby ensuring that when the positive and negative terminals 21 and 22 of the capacitor are placed in the terminal guide groove, the positive and negative terminals 21 and 22 will not protrude above the bottom surface of the base body.

[0039] Reference Figure 5 , Figure 6 As shown, the terminal welding placement groove 103 is configured to include a first placement groove 1031 and a second placement groove 1032, thereby accommodating various positive and negative terminal lead-out structures of the capacitor. The bottom surface of the base plate body 10 is a flat surface, ensuring a large contact area and stable and secure mounting when the base plate is attached to the circuit board. It should be noted that the base plate can be fixed to the circuit board by dispensing adhesive or other methods.

[0040] Reference Figure 1 , Figure 2 , Figure 5 , Figure 6As shown, in some embodiments, the inner and outer surfaces of the base plate body 10 are parallel to each other. The inner surface of the base plate body 10 is configured to fit the shape of the cover plate of the capacitor 100, thereby ensuring that the capacitor 100 can make full contact with the base plate 200 when it is installed on the base plate, resulting in a more secure and stable installation. In some embodiments, the base plate body 10 is also provided with a positioning groove 109, which is configured to divide the capacitor base plate 100 into two halves. In some embodiments, the positioning groove 109 connects the second support arm 105, the outer surface of the base plate body, and the fourth support arm 107.

[0041] It is understood that the above description is a further detailed explanation of the present invention in conjunction with specific / preferred embodiments, and should not be construed as limiting the specific implementation of the present invention to these descriptions. For those skilled in the art, various substitutions or modifications can be made to these described embodiments without departing from the inventive concept, and all such substitutions or modifications should be considered within the scope of protection of this patent. In the description of this specification, the reference to terms such as "an embodiment," "some embodiments," "preferred embodiment," "example," "specific example," or "some examples," etc., indicates that the specific features, structures, materials, or characteristics described in connection with that embodiment or example are included in at least one embodiment or example of the present invention.

[0042] In this specification, the illustrative expressions of the terms used do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, those skilled in the art can combine and integrate the different embodiments or examples described herein, as well as the features of different embodiments or examples, without contradiction. Although embodiments of the present invention and their advantages have been described in detail, it should be understood that various changes, substitutions, and modifications can be made herein without departing from the scope defined by the appended claims.

[0043] Furthermore, the scope of this invention is not intended to be limited to the specific embodiments of the processes, machines, manufactures, material compositions, means, methods, and steps described in the specification. Those skilled in the art will readily understand that existing or later-developed disclosures, processes, machines, manufactures, material compositions, means, methods, or steps that perform substantially the same function as the corresponding embodiments described herein or obtain substantially the same results as the embodiments described herein can be utilized. Therefore, the appended claims are intended to include such processes, machines, manufactures, material compositions, means, methods, or steps within their scope.

Claims

1. A capacitor mounting base plate for mounting a capacitor, characterized by: The seat plate body is provided with a plurality of support arms extending vertically around the inner surface of the seat plate body, and the inner side of the plurality of support arms encloses a cavity for mounting a capacitor; the seat plate body is provided with a slot penetrating the inner surface of the seat plate body and the outer surface of the seat plate body; the outer surface of the seat plate body is provided with a terminal guide slot; the bottom surface of the seat plate body is provided with a terminal welding placement slot connected with the terminal guide slot, for placing the welding end of the capacitor lead terminal.

2. The capacitor mount pad of claim 1, wherein: The bottom surface of the seat plate body is provided as a flat plane, for fixing the seat plate to a circuit board.

3. The capacitor mount pad of claim 1, wherein: The inner side of the plurality of support arms is provided as an arc surface, and the inner side of the plurality of support arms encloses a cylindrical cavity.

4. The capacitor mount pad of claim 1, wherein: The plurality of support arms includes a first support arm, a second support arm, a third support arm, and a fourth support arm; wherein the first support arm, the second support arm, and the third support arm are located on one half of the seat body, and the fourth support arm is located on the other half of the seat body.

5. The capacitor mount pad of claim 4, wherein: The second support arm is provided with the slot between the first support arm and the third support arm.

6. The capacitor mount pad of claim 4, wherein: The first support arm and the fourth support arm are provided with notches therebetween, and the third support arm and the fourth support arm are provided with notches therebetween; wherein the notches are higher than the inner surface of the seat plate body.

7. The capacitor mount pad of claim 5, wherein: The slot is symmetrically arranged with the center line of the outer surface of the seat plate body as the center, and the terminal guide slot is connected with the slot.

8. The capacitor mount pad of claim 1, wherein: The terminal welding placement slot includes a first placement slot and a second placement slot, and the first placement slot and the second placement slot form an L shape on the bottom surface of the seat plate body.

9. The capacitor mount pad of claim 8, wherein: The first placement slot and the second placement slot are respectively connected with the terminal guide slot; and the connection between the first placement slot, the second placement slot, and the terminal guide slot is provided as an arc transition.

10. The capacitor mount pad of claim 9, wherein: The depth of the terminal guide slot is equal to the width of the terminal guide slot.