CN212010749U - Three-beam waist vibration-resistant aluminum electrolytic capacitor - Google Patents

Abstract

The utility model discloses a three beam waist vibration-resistant type aluminium electrolytic capacitor, including shell and the capacitor core package in the sealed shell, be equipped with respectively on the lateral wall of shell and restraint the waist to the sunken first beam waist in the shell and second, first beam waist and second beam waist compress tightly the side of capacitor core package respectively, be formed with the trench between first beam waist and the second beam waist, be equipped with the buffering subassembly in the trench, the front end of buffering subassembly and the side contact of capacitor core package. The utility model discloses a set up first beam waist and second beam waist and compress tightly the condenser core package in to the shell, guaranteed the stability of condenser core package, improved the vibration-resistant performance of condenser, buffer assembly can avoid the condenser core package to produce the inflation owing to the temperature risees in the shell effectively simultaneously for lateral wall to the shell produces the extrusion, influences the life of condenser.

Description

Three-beam waist vibration-resistant aluminum electrolytic capacitor

Technical Field

The utility model relates to the technical field of aluminum electrolytic capacitors, in particular to a three-beam waist vibration-resistant aluminum electrolytic capacitor.

Background

The capacitor is formed by two electrodes and a dielectric material therebetween. The dielectric material is a dielectric medium, when placed in an electric field between two parallel plates with equal amounts of opposite charges, polarization charges are generated on the surface of the dielectric medium due to polarization, and accordingly charges bound to the plates are increased correspondingly, and the potential difference between the plates is maintained constant. This is why capacitors have a capacitive character.

The aluminum electrolytic capacitor in the capacitor is mainly used for filtering, bypassing and coupling, the specific application is very wide, and under some vibration environments, such as the application on automobile electronics in particular, the aluminum electrolytic capacitor is easy to have unstable performance caused by vibration, even has short circuit of an internal anode and a cathode, or has the condition that the capacitor fails due to the fact that the anode and an aluminum shell are ignited. In this application environment, high reliability and stability of the capacitor under vibration conditions must be ensured.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects existing in the prior art, the utility model provides a three-beam waist vibration-resistant aluminum electrolytic capacitor, which has simple structure and strong vibration resistance, and improves the reliability and stability of the capacitor.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a three beam waist vibration-resistant type aluminium electrolytic capacitor, includes shell and the sealed capacitor core package in the shell, be equipped with respectively on the lateral wall of shell and restraint the waist to the sunken first beam waist in the shell and the second, first beam waist and second beam waist compress tightly the side of capacitor core package respectively, be formed with the trench between first beam waist and the second beam waist, be equipped with the buffering subassembly in the trench, the front end of buffering subassembly contacts with the side of capacitor core package.

In one embodiment, the first and second beam waists are arcuate or trapezoidal in cross-section.

In one embodiment, the first and second beam waists are disposed at upper and lower locations, respectively, of the capacitor core package.

In one embodiment, the buffer assembly comprises a fixing part, a spring and a connecting plate, the fixing part is fixed in the slot, the spring is arranged on the fixing part, the other end of the spring is fixedly connected with the back of the connecting plate, a silica gel plate is fixed in front of the connecting plate, and the silica gel plate is in contact with the side face of the capacitor core bag.

In one embodiment, the cross section of the silica gel plate is in an inverted trapezoid shape.

In one embodiment, the upper end cover of the outer shell is provided with a cover plate, and the side wall of the upper part of the outer shell is provided with a third beam waist which is sunken into the outer shell, and the third beam waist presses the side surface of the cover plate.

In one embodiment, the third beam waist is disposed at an intermediate position of the cover plate.

In one embodiment, the bottom of the shell is connected with a heat dissipation plate, the surface of the heat dissipation plate is provided with heat conduction strips, and the upper ends of the heat conduction strips are connected with the lower surface of the shell.

In one embodiment, the width of the heat conducting strip is gradually increased from top to bottom.

Compared with the prior art, the beneficial effects of the utility model are that: pack the condenser core package into the shell, then seal the upper portion of shell again, insert the shell in with the condenser core package through the upper portion with positive binding post and negative binding post respectively at last, thereby accomplish the equipment to electrolytic capacitor, through setting up the side of condenser core package respectively to the first beam waist and the second beam waist on the shell lateral wall and compress tightly, make the condenser core package can not appear causing the performance unstability owing to the vibration at the during operation, the resistant vibration performance of condenser has been improved, the buffer unit who sets up simultaneously between first beam waist and second beam waist can avoid the condenser core package to produce the inflation owing to the temperature rising in the shell effectively, make the lateral wall to the shell produce the extrusion, influence the life of condenser.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of a three-beam waist vibration-proof aluminum electrolytic capacitor according to the present invention.

Fig. 2 is an internal schematic view of the three-beam waist vibration-proof aluminum electrolytic capacitor of the present invention.

Fig. 3 is a schematic view at a in fig. 2.

1-a housing; 2-a first corset; 3-a second corset; 4-third corset; 5-positive terminal; 6-a negative pole wiring terminal; 7-a heat sink; 8-capacitor core package; 9-a buffer assembly; 91-a fixing piece; 92-a spring; 93-a connecting plate; 94-silica gel plate; 10-groove position; 11-heat conducting strips; 12-cover plate.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Referring to fig. 1-3, a three-beam vibration-resistant aluminum electrolytic capacitor includes a housing 1 and a capacitor core package 8 sealed in the housing 1, wherein a first beam 2 and a second beam 3 recessed into the housing are respectively disposed on a side wall of the housing 1, the first beam 2 and the second beam 3 respectively compress a side surface of the capacitor core package 8, a slot 10 is formed between the first beam 2 and the second beam 3, a buffer component 9 is disposed in the slot 10, and a front end of the buffer component 9 contacts with the side surface of the capacitor core package 8.

Adopt above-mentioned scheme, pack into the shell 1 with the capacitor core package 8 in, then seal the upper portion of shell 1 again, insert the shell in with the capacitor core package 8 through the upper portion with positive binding post 5 and negative binding post 6 respectively at last, thereby accomplish the equipment to electrolytic capacitor, compress tightly the side of capacitor core package 8 respectively through setting up first beam waist 2 and second beam waist 3 on the shell 1 lateral wall, make capacitor core package 8 can not appear causing the performance unstability because the vibration at the during operation, the vibration-resistant performance of capacitor has been improved, the buffer unit who sets up simultaneously between first beam waist 2 and second beam waist 3 can avoid capacitor core package 8 effectively to produce the inflation because the temperature risees in the shell, make produce the extrusion to the lateral wall of shell 1, influence the life of capacitor.

In one embodiment, in order to make the first beam waist 2 and the second beam waist 3 compress the capacitor core package 8 more firmly, in the present embodiment, the cross sections of the first beam waist 2 and the second beam waist 3 are arc-shaped or trapezoid.

In one embodiment, in order to prevent the capacitor core pack 8 from swinging left and right when being compressed, in the present embodiment, the first corset 2 and the second corset 3 are respectively disposed at upper and lower positions of the capacitor core pack 8.

In one embodiment, the buffer assembly 9 includes a fixing member 91, a spring 92, and a connecting plate 93, the fixing member 91 is fixed in the slot 10, the spring 92 is disposed on the fixing member 91, the other end of the spring 92 is fixedly connected to the back of the connecting plate 93, a silicone plate 94 is fixed on the front of the connecting plate 93, and the silicone plate 94 contacts with the side of the capacitor core package 8.

Specifically, the cross section of the silicone plate 94 is an inverted trapezoid.

Adopt above-mentioned scheme, when the temperature rise in shell 1 caused the expansion of capacitor core package 8, the side of capacitor core package 8 was past to promote silica gel plate 94 outward, and silica gel plate 94 promotes connecting plate 93 compression spring 92 again for capacitor core package 8 receives a buffer power, avoids capacitor core package 8 direct extrusion shell 1's inner wall, has avoided causing the deformation of shell, influences the life of capacitor.

In one embodiment, the upper end of the outer shell 1 is covered with a cover plate 12, and a third beam waist 4 recessed into the shell is arranged on the side wall of the upper part of the outer shell 1, and the third beam waist 4 presses the side surface of the cover plate 12.

Specifically, the third corset 4 is provided at an intermediate position of the cover plate 12.

By adopting the above scheme, the upper part of the shell 1 is covered by the cover plate 12, and the middle part of the cover plate 12 is compressed by the third beam waist 4, so that the cover plate 12 is firmly installed on the shell 1, and the sealing performance of the capacitor is further ensured.

In one embodiment, the bottom of the housing 1 is connected with a heat dissipation plate 7, a heat conduction strip 11 is arranged on the surface of the heat dissipation plate 7, and the upper end of the heat conduction strip 11 is connected with the lower surface of the housing 1.

Specifically, the width of the heat conducting strip 11 gradually increases from top to bottom.

By adopting the scheme, the heat generated by the capacitor during working is transferred to the heat dissipation plate 7 through the heat conduction strips 11, and then the heat dissipation plate 7 dissipates the transferred heat to the outside of the shell, so that the heat in the shell 1 can be dissipated rapidly, the expansion of the capacitor core package 8 is avoided, and the service life of the capacitor is prolonged; meanwhile, the width of the heat conducting strip 11 is gradually increased from top to bottom, so that heat in the shell 1 can be conducted to the heat dissipation plate 7 more quickly, and the heat dissipation efficiency is improved.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Furthermore, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a three bunches of waist vibration-resistant type aluminium electrolytic capacitor, includes shell and the sealed capacitor core package in the shell which characterized in that: the capacitor core bag is characterized in that a first beam waist and a second beam waist which are sunken in the shell are arranged on the side wall of the shell respectively, the first beam waist and the second beam waist compress the side face of the capacitor core bag respectively, a groove is formed between the first beam waist and the second beam waist, a buffer component is arranged in the groove, and the front end of the buffer component is in contact with the side face of the capacitor core bag.

2. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 1, characterized in that: the cross sections of the first beam waist and the second beam waist are arc-shaped or trapezoid.

3. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 1, characterized in that: the first beam waist and the second beam waist are respectively arranged at the upper part and the lower part of the capacitor core package.

4. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 1, characterized in that: the buffer assembly comprises a fixing part, a spring and a connecting plate, the fixing part is fixed in the groove, the spring is arranged on the fixing part, the other end of the spring is fixedly connected with the back face of the connecting plate, a silica gel plate is fixed in front of the connecting plate, and the silica gel plate is in contact with the side face of the capacitor core bag.

5. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 4, wherein: the cross-section of silica gel board is down trapezoidal.

6. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 1, characterized in that: the upper end cover of shell has closed the apron, be equipped with the third beam waist that caves in to the shell on the lateral wall on shell upper portion, the side of apron is compressed tightly to the third beam waist.

7. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 6, characterized in that: the third beam waist is arranged in the middle of the cover plate.

8. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 1, characterized in that: the bottom of shell is connected with the heating panel, be equipped with the heat conduction strip on the surface of heating panel, the upper end and the lower surface of shell of heat conduction strip are connected.

9. The three-beam waist vibration-proof aluminum electrolytic capacitor according to claim 8, characterized in that: the width of the heat conduction strip is gradually increased from top to bottom.

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