CN212230275U - Flame-retardant high-voltage aluminum electrolytic capacitor - Google Patents
Flame-retardant high-voltage aluminum electrolytic capacitor Download PDFInfo
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- CN212230275U CN212230275U CN202021094519.8U CN202021094519U CN212230275U CN 212230275 U CN212230275 U CN 212230275U CN 202021094519 U CN202021094519 U CN 202021094519U CN 212230275 U CN212230275 U CN 212230275U
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Abstract
A flame-retardant high-voltage aluminum electrolytic capacitor comprises a bottom plate, an electrolytic capacitor body, a first elastic sleeve, a second elastic sleeve, a protection plate and a fastener; the bottom plate is provided with a shell and a plurality of groups of mounting rods; the other end of the shell is provided with an end cover; the first elastic sleeve and the second elastic sleeve are sleeved outside the electrolytic capacitor body in an interference manner; the first elastic sleeve and the second elastic sleeve press the inner wall of the shell; the inner wall of the shell, the electrolytic capacitor body, the first elastic sleeve and the second elastic sleeve enclose a sealed cabin for containing the heat-conducting silica gel; the protection plate is provided with a cathode lead and an anode lead which are respectively connected with the electrolytic capacitor body through two groups of leads; a plurality of groups of mounting blocks are respectively arranged on the plurality of groups of mounting rods, and the other ends of the plurality of groups of mounting rods respectively penetrate through the protection plate and are in threaded fit with a plurality of groups of fasteners; the end surfaces of the plurality of groups of fastening pieces facing the protection plate are pressed tightly against the protection plate; the spring is sleeved on the outer side of the mounting rod between the protection plate and the mounting block. The aluminum electrolytic capacitor provided by the utility model has good heat dissipation effect and strong stability.
Description
Technical Field
The utility model relates to an electrolytic capacitor technical field especially relates to a fire-retardant high pressure aluminum electrolytic capacitor.
Background
The capacitor is formed by sandwiching an insulating dielectric between two metal electrodes. When a voltage is applied between the two metal electrodes, charge is stored in the electrodes, so that the capacitor is an energy storage element. Any two conductors, insulated from each other and in close proximity, form a capacitor; along with the continuous development of electronic technology, aluminum electrolytic capacitors with larger and larger capacity are applied, but most of the existing electrolytic capacitors have low heat dissipation efficiency and are easy to be damaged by pressure; therefore, the application provides a flame-retardant high-voltage aluminum electrolytic capacitor.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problem existing in the background technology, the utility model provides a fire-retardant high-voltage aluminum electrolytic capacitor, the utility model provides an aluminum electrolytic capacitor radiating effect is good and stability is strong.
(II) technical scheme
In order to solve the problems, the utility model provides a flame-retardant high-voltage aluminum electrolytic capacitor, which comprises a bottom plate, a shell, an electrolytic capacitor body, a first elastic sleeve, a second elastic sleeve, an installation rod, a protection plate, a fastener, a lead and a spring;
one end of the shell is connected with the bottom plate, and the other end of the shell is provided with an end cover; the end cover is provided with two groups of through holes for the lead to pass through;
the first elastic sleeve and the second elastic sleeve are arranged side by side and are sleeved on the outer side of the electrolytic capacitor body in an interference manner; the electrolytic capacitor body extends into the shell from the other end of the shell; the outer end faces of the first elastic sleeve and the second elastic sleeve press the inner wall of the shell; wherein, the inner wall of the shell, the outer end face of the electrolytic capacitor body, the first elastic sleeve and the second elastic sleeve enclose a sealed cabin; the sealed bin is filled with heat-conducting silica gel;
a plurality of groups of through holes are arranged on the protection plate, and a cathode lead and an anode lead are arranged on the end surface of the protection plate; the cathode lead and the anode lead are respectively connected with the cathode and the anode of the electrolytic capacitor body through two groups of wires;
a plurality of groups of mounting blocks are respectively arranged on the plurality of groups of mounting rods, the plurality of groups of mounting rods are distributed side by side, one ends of the plurality of groups of mounting rods are connected with the bottom plate, and the other ends of the plurality of groups of mounting rods respectively penetrate through the plurality of groups of through holes and are connected with a plurality of groups of fasteners in a threaded fit manner; the end surfaces of the plurality of groups of fastening pieces facing the protection plate are pressed tightly against the protection plate; wherein, the multiple groups of mounting rods are uniformly distributed in a circumference manner by taking the central axis of the shell as the center;
the outer sides of the multiple groups of mounting rods are sleeved with the multiple groups of springs respectively, and the two ends of the multiple groups of springs are connected with the multiple groups of mounting blocks and the protection plate respectively.
Preferably, a seal sleeve is arranged in each group of through holes; each group of sealing sleeves is sleeved outside each group of wires in an interference manner.
Preferably, the cathode lead and the anode lead are different in length.
Preferably, the end cap is snap-fit to the housing.
Preferably, the housing and the base plate are of a unitary construction.
Preferably, the shell is made of an aluminum alloy material.
Preferably, the bottom surface of the shell is provided with a heat-conducting silica gel pad; the end face of the heat-conducting silica gel pad facing the electrolytic capacitor body compresses the electrolytic capacitor body.
Preferably, the end face of the shell of the sealing bin is provided with a glue injection hole; and a sealing plug is arranged in the glue injection hole.
Preferably, the sealing plug is in threaded fit connection with the glue injection hole, and the end face of the sealing plug is provided with a blind assembly hole for matching with a bolt cutter.
Preferably, each group of mounting blocks is in threaded fit connection with each group of mounting rods.
The above technical scheme of the utility model has following profitable technological effect:
in the utility model, when in use, the first elastic sleeve and the second elastic sleeve are sleeved outside the electrolytic capacitor body, the electrolytic capacitor body is inserted into the shell in a matching way, and the sealed cabin enclosed by the inner wall of the shell, the outer end surface of the electrolytic capacitor body, the first elastic sleeve and the second elastic sleeve is filled with heat-conducting silica gel to form a heat-conducting layer in the sealed cabin; high temperature generated by the operation of the electrolytic capacitor body can be quickly transferred to the shell through the heat-conducting silica gel, and heat energy is dissipated through the shell, so that the influence of the high temperature on the service performance of the electrolytic capacitor body is avoided; in addition, the multiple groups of mounting rods are arranged for protecting the shell, when external force acts on the protection plate, the protection plate slides on the multiple groups of mounting rods, and the multiple groups of springs are compressed to have elastic potential energy so as to buffer the pressure on the protection plate, so that the shell and the electrolytic capacitor body in the shell are prevented from being damaged by the external force, and the stability of the aluminum electrolytic capacitor can be improved; the sealing performance of the shell is good, and the influence of impurities such as water and the like entering the shell on the service performance of the electrolytic capacitor body can be avoided.
Drawings
Fig. 1 is a schematic structural diagram of a flame-retardant high-voltage aluminum electrolytic capacitor provided by the utility model.
Fig. 2 is a front view of a flame-retardant high-voltage aluminum electrolytic capacitor according to the present invention.
Fig. 3 is a top view of a protection plate in a flame-retardant high-voltage aluminum electrolytic capacitor according to the present invention.
Reference numerals: 1. a base plate; 2. a housing; 3. a heat-conducting silica gel pad; 4. an electrolytic capacitor body; 5. a first elastic sleeve; 6. heat conducting silica gel; 7. a second elastic sleeve; 8. mounting a rod; 9. mounting blocks; 10. a protection plate; 11. a cathode lead; 12. an anode lead; 13. a fastener; 14. an end cap; 15. a spring; 16. assembling a blind hole; 17. and (4) sealing the plug.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the utility model provides a flame-retardant high-voltage aluminum electrolytic capacitor, which comprises a bottom plate 1, a shell 2, an electrolytic capacitor body 4, a first elastic sleeve 5, a second elastic sleeve 7, an installation rod 8, a protection plate 10, a fastener 13, a lead and a spring 15;
one end of the shell 2 is connected with the bottom plate 1, and the other end of the shell 2 is provided with an end cover 14; two groups of through holes for the lead to pass through are arranged on the end cover 14;
the first elastic sleeve 5 and the second elastic sleeve 7 are arranged side by side and are sleeved outside the electrolytic capacitor body 4 in an interference manner; the electrolytic capacitor body 4 extends into the shell 2 from the other end of the shell 2; the outer end faces of the first elastic sleeve 5 and the second elastic sleeve 7 are pressed against the inner wall of the shell 2; wherein, the inner wall of the shell 2, the outer end face of the electrolytic capacitor body 4, the first elastic sleeve 5 and the second elastic sleeve 7 enclose a sealed cabin; the sealed bin is filled with heat-conducting silica gel 6; the heat-conducting silica gel 6 is a high-end heat-conducting compound, and the heat-conducting silica gel is not solidified, and the characteristic of no electricity conduction can avoid risks such as circuit short circuit and the like; has excellent cold and hot alternation resistance, aging resistance and electrical insulation performance. The heat-conducting silica gel 6 has excellent moisture-proof, shock-proof, corona-resistant, electric leakage-resistant and chemical medium-resistant properties. The material can be continuously used at the temperature of-60-280 ℃, the performance is maintained, the material does not swell, the material has good adhesion to most of metal and non-metal materials, the high temperature generated by the electrolytic capacitor body 4 can be well transmitted to the shell 2, and the material can play a role in fixing and clamping the electrolytic capacitor body 4 to improve the structural stability of the material;
furthermore, a plurality of groups of elastic mortgage columns are arranged on the end cover 14; when the end cover 14 is matched with the shell 2, the electrolytic capacitor body 4 is pressed by the multiple groups of elastic pressing columns, so that the electrolytic capacitor body 4 is firmly installed in the shell 2;
a plurality of groups of through holes are formed in the protection plate 10, and a cathode lead 11 and an anode lead 12 are arranged on the end surface of the protection plate 10; the cathode lead 11 and the anode lead 12 are respectively connected with the cathode and the anode of the electrolytic capacitor body 4 through two groups of leads;
a plurality of groups of mounting blocks 9 are respectively arranged on the plurality of groups of mounting rods 8, the plurality of groups of mounting rods 8 are distributed side by side, one ends of the plurality of groups of mounting rods 8 are connected with the bottom plate 1, and the other ends of the plurality of groups of mounting rods 8 respectively penetrate through the plurality of groups of through holes and are connected with a plurality of groups of fasteners 13 in a threaded fit manner; the end faces of the plurality of groups of fasteners 13 facing the protection plate 10 are pressed tightly on the protection plate 10; wherein, the multiple groups of mounting rods 8 are uniformly distributed in a circumference manner by taking the central axis of the shell 2 as the center;
the outer sides of the multiple groups of mounting rods 8 are sleeved with the multiple groups of springs 15 respectively, and the two ends of the multiple groups of springs 15 are connected with the multiple groups of mounting blocks 9 and the protection plates 10 respectively.
In the utility model, when in use, the first elastic sleeve 5 and the second elastic sleeve 7 are sleeved on the outer side of the electrolytic capacitor body 4, the electrolytic capacitor body 4 is inserted into the shell 2 in a matching way, and the sealed cabin enclosed by the inner wall of the shell 2, the outer end surface of the electrolytic capacitor body 4, the first elastic sleeve 5 and the second elastic sleeve 7 is filled with the heat-conducting silica gel 6 to form a heat-conducting layer in the sealed cabin; high temperature generated by the operation of the electrolytic capacitor body 4 can be quickly transferred to the shell 2 through the heat-conducting silica gel 6, and heat energy is dissipated through the shell 2, so that the influence of the high temperature on the service performance of the electrolytic capacitor body 4 is avoided; in addition, the multiunit installation pole 8 that is equipped with protects shell 2, and on external force was used in guard plate 10, guard plate 10 slided on multiunit installation pole 8, and multiunit spring 15 is compressed and has elastic potential energy in order to carry out cushioning effect with the pressure that receives guard plate 10 to avoid external force to cause the damage to electrolytic capacitor body 4 in shell 2 and the shell 2.
In an optional embodiment, a sealing sleeve is arranged in each group of through holes; each group of sealing sleeves is sleeved outside each group of wires in an interference manner, and the sealing sleeves are arranged in the through holes to fill gaps between the wires and the through holes, so that external impurities or water are prevented from entering the shell 2, and the influence of water and the like on the service performance of the electrolytic capacitor body 4 is avoided.
In an alternative embodiment, the cathode lead 11 and the anode lead 12 are different in length to facilitate differentiation.
In an alternative embodiment, the end cap 14 is snap-fit to the housing 2, and the snap-fit connection of the end cap 14 to the housing 2 facilitates removal of the end cap 14.
In an alternative embodiment, the housing 2 and the base plate 1 are of a unitary construction.
In an alternative embodiment, the housing 2 is made of aluminum alloy, which has light weight and excellent thermal conductivity, and can rapidly dissipate heat of the electrolytic capacitor body 4 by thermal conduction.
In an alternative embodiment, the bottom surface of the housing 2 is provided with a thermally conductive silicone pad 3; the end face of the heat-conducting silica gel pad 3 facing the electrolytic capacitor body 4 compresses the electrolytic capacitor body 4, and the heat-conducting silica gel pad 3 is in contact with the electrolytic capacitor body 4 to improve the heat transfer efficiency of the heat energy on the electrolytic capacitor body 4.
In an alternative embodiment, the sealing bin is provided with a glue injection hole on the end surface of the shell 2; the glue injection hole is internally provided with a sealing plug 17, and heat conduction silica gel is conveniently injected into the sealing bin of the box through the arranged glue injection hole.
In an alternative embodiment, the sealing plug 17 is connected with the glue injection hole in a threaded fit mode, and a blind assembly hole 16 used for matching with a bolt cutter is formed in the end face of the sealing plug 17.
In an alternative embodiment, each set of mounting blocks 9 and each set of mounting rods 8 are in threaded mating connection, and the threaded mating connection of the mounting blocks 9 and the mounting rods 8 facilitates the installation of the mounting blocks 9 and the adjustment of the distance between the mounting blocks 9 and the protective plate 10.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A flame-retardant high-voltage aluminum electrolytic capacitor is characterized by comprising a bottom plate (1), a shell (2), an electrolytic capacitor body (4), a first elastic sleeve (5), a second elastic sleeve (7), an installation rod (8), a protection plate (10), a fastener (13), a lead and a spring (15);
one end of the shell (2) is connected with the bottom plate (1), and the other end of the shell (2) is provided with an end cover (14); two groups of through holes for the lead to pass through are arranged on the end cover (14);
the first elastic sleeve (5) and the second elastic sleeve (7) are arranged side by side and are sleeved on the outer side of the electrolytic capacitor body (4) in an interference manner; the electrolytic capacitor body (4) extends into the shell (2) from the other end of the shell (2); the outer end faces of the first elastic sleeve (5) and the second elastic sleeve (7) press the inner wall of the shell (2); wherein, the inner wall of the shell (2), the outer end face of the electrolytic capacitor body (4), the first elastic sleeve (5) and the second elastic sleeve (7) enclose a sealed cabin; the sealed bin is filled with heat-conducting silica gel (6);
a plurality of groups of through holes are arranged on the protection plate (10), and a cathode lead (11) and an anode lead (12) are arranged on the end surface of the protection plate (10); the cathode lead (11) and the anode lead (12) are respectively connected with the cathode and the anode of the electrolytic capacitor body (4) through two groups of leads;
a plurality of groups of mounting blocks (9) are respectively arranged on the plurality of groups of mounting rods (8), the plurality of groups of mounting rods (8) are distributed side by side, one ends of the plurality of groups of mounting rods (8) are all connected with the bottom plate (1), and the other ends of the plurality of groups of mounting rods (8) respectively penetrate through the plurality of groups of through holes and are connected with a plurality of groups of fasteners (13) in a threaded fit manner; the end surfaces of the multiple groups of fasteners (13) facing the protection plate (10) are pressed tightly against the protection plate (10); wherein, the multiple groups of mounting rods (8) are uniformly distributed in a circumference manner by taking the central axis of the shell (2) as the center;
the outer sides of the multiple groups of mounting rods (8) are sleeved with the multiple groups of springs (15) respectively, and the two ends of the multiple groups of springs (15) are connected with the multiple groups of mounting blocks (9) and the protection plates (10) respectively.
2. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 1, wherein a sealing sleeve is arranged in each group of through holes; each group of sealing sleeves is sleeved outside each group of wires in an interference manner.
3. A fire-retardant high-voltage aluminum electrolytic capacitor according to claim 1, wherein the cathode lead (11) and the anode lead (12) are different in length.
4. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 1, wherein the end cap (14) is snap-fitted to the case (2).
5. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 1, wherein the housing (2) and the bottom plate (1) are of an integral structure.
6. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 1, wherein the case (2) is made of aluminum alloy.
7. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 1, wherein the bottom surface of the case (2) is provided with a heat-conducting silica gel pad (3); the heat-conducting silica gel pad (3) presses the electrolytic capacitor body (4) towards the end face of the electrolytic capacitor body (4).
8. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 1, wherein the sealing chamber is provided with glue injection holes at the end face of the housing (2); a sealing plug (17) is arranged in the glue injection hole.
9. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 8, wherein the sealing plug (17) is connected with the glue injection hole in a threaded fit manner, and a blind assembly hole (16) for matching with a bolt cutter is arranged on the end surface of the sealing plug (17).
10. The fire-retardant high-voltage aluminum electrolytic capacitor as recited in claim 1, wherein each group of mounting blocks (9) and each group of mounting rods (8) are connected in a screw-fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094519.8U CN212230275U (en) | 2020-06-15 | 2020-06-15 | Flame-retardant high-voltage aluminum electrolytic capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021094519.8U CN212230275U (en) | 2020-06-15 | 2020-06-15 | Flame-retardant high-voltage aluminum electrolytic capacitor |
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| CN212230275U true CN212230275U (en) | 2020-12-25 |
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| CN202021094519.8U Active CN212230275U (en) | 2020-06-15 | 2020-06-15 | Flame-retardant high-voltage aluminum electrolytic capacitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728080A (en) * | 2021-02-05 | 2021-04-30 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Ultrahigh pressure hydraulic container |
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2020
- 2020-06-15 CN CN202021094519.8U patent/CN212230275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728080A (en) * | 2021-02-05 | 2021-04-30 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Ultrahigh pressure hydraulic container |
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