CN210110547U - Resistance to compression formula aluminum electrolytic capacitor - Google Patents
Resistance to compression formula aluminum electrolytic capacitor Download PDFInfo
- Publication number
- CN210110547U CN210110547U CN201920830571.6U CN201920830571U CN210110547U CN 210110547 U CN210110547 U CN 210110547U CN 201920830571 U CN201920830571 U CN 201920830571U CN 210110547 U CN210110547 U CN 210110547U
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- shell
- electrolytic chamber
- electrolyte
- electrolytic capacitor
- aluminum electrolytic
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Abstract
The utility model discloses a compression-resistant aluminum electrolytic capacitor, wherein a capacitor body comprises a shell, an electrolytic chamber shell, electrolyte, two pins, a cathode wiring, an anode wiring, a contact and a supporting spring; the electrolysis chamber housing is disposed within the enclosure; the electrolyte is filled in the electrolytic chamber shell, and the supporting spring is arranged in the electrolytic chamber shell; the shell comprises a lower shell and a lower shell, the upper end of the lower shell is fixedly provided with an upper shell, the electrolytic chamber shell is fixedly arranged in the lower shell, an inner cover for sealing the upper end of the electrolytic chamber shell is arranged in the lower shell, and two contacts are arranged on the inner cover at intervals; the lower ends of the cathode connecting wire and the anode connecting wire are immersed in the electrolyte, the upper ends of the cathode connecting wire and the anode connecting wire are respectively connected with contacts arranged on the inner cover, and the two pins are respectively connected with the contacts. The utility model has the advantages of better resistance to compression, structural strength is high, the stable performance, longe-lived.
Description
Technical Field
The utility model relates to the technical field of capacitors, concretely relates to resistance to compression formula aluminum electrolytic capacitor.
Background
The aluminum electrolytic capacitor is made up by using aluminium cylinder as negative electrode, in which the liquid electrolyte is filled, and inserting a bent aluminium strip as positive electrode. While the aluminum electrolytic capacitor is steadily increasing in the field of traditional consumer electronics, its application field is expanded in many emerging fields such as energy-saving lamps, frequency converters, new energy sources and the like along with structure transformation and technical progress.
However, at present, the large-capacity aluminum electrolytic capacitor generally has the defects of insufficient structural strength and poor compressive strength, for example, the aluminum electrolytic capacitor is deformed by extrusion or impact even under different atmospheric pressures, so that the electrolyte is forced to leak, and the service life of the aluminum electrolytic capacitor is seriously influenced. Therefore, it is necessary to provide a pressure-resistant aluminum electrolytic capacitor to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a can be better the resistance to compression, structural strength is high, the stable performance, the long-lived resistance to compression formula aluminum electrolytic capacitor.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a pressure-resistant aluminum electrolytic capacitor comprises a capacitor body, wherein the capacitor body comprises a shell, an electrolytic chamber shell, electrolyte, two pins, a cathode wiring, an anode wiring, a contact and a supporting spring;
the electrolytic chamber shell is arranged in the shell, and a heat dissipation coating is arranged between the outer side wall of the electrolytic chamber shell and the inner side wall of the shell;
the electrolyte is filled in the electrolytic chamber shell, the supporting spring is arranged in the electrolytic chamber shell, and the supporting spring is in contact with the inner side wall of the electrolytic chamber shell;
the shell comprises a lower shell and a lower shell, the upper end of the lower shell is fixedly provided with an upper shell, the electrolytic chamber shell is fixedly arranged in the lower shell, an inner cover for sealing the upper end of the electrolytic chamber shell is arranged in the lower shell, and two contacts are arranged on the inner cover at intervals;
the lower ends of the cathode connecting wire and the anode connecting wire are immersed in the electrolyte, the upper ends of the cathode connecting wire and the anode connecting wire are respectively connected with contacts arranged on the inner cover, and the two pins are respectively connected with the contacts.
Among this technical scheme, with applying paint the thermal coating with a brush between electrolysis chamber casing lateral wall and the shell inside wall, insulating coating can also be applied paint with a brush specifically, fix electrolysis chamber casing in the inferior valve, pour into electrolyte, put into supporting spring, with positive pole lead wire and negative pole adventure and interior epaxial contact connection of covering, then with inner cup fixed mounting in the casing, be provided with the boss that is used for installing location and support the inner cup in the casing, utilize the inner cup to seal electrolysis chamber casing, then with pin and contact fixed connection, at last with upper casing and inferior valve fixed connection, the pin outer end is located the casing outside. When the aluminum electrolytic capacitor arranged in this way is used, after being extruded or impacted, the supporting spring supports the electrolytic chamber shell, and the supporting spring is spirally arranged and can integrally support the electrolytic chamber shell. Moreover, the supporting spring has certain elasticity and can automatically recover after being stressed, so that the deformation of the electrolytic chamber shell is reduced. Especially under atmospheric pressure, the pressure can be better resisted and the stability can be kept. When the extrusion force is big, the shell takes place to warp, can lead to the inner cup to open, and electrolyte is revealed, but electrolyte is all the time in the casing, and atmospheric pressure is too big, and it warp, leads to the inner space to reduce, and the shell can give electrolyte a space for aluminum electrolytic capacitor can continue to use, and is longe-lived, and compressive capacity is strong. A gap is arranged between the lower shell and the electrolyte shell, so that heat dissipation is facilitated, and a space is provided for thermal expansion of the electrolyte shell. Specifically, the support spring is not in contact with the cathode wiring and the anode wiring.
Furthermore, the upper surface of the contact is recessed to form a groove, and the pin is welded in the groove.
Like this, when casing or inner cup warp, the pin can incline, and the recess provides a space for the pin, can avoid the pin fracture, better increase of service life.
Furthermore, the pins are fixedly connected with the contacts through soldering.
Like this, recess intussuseption is filled with tin, can be more firm fix the pin, convenient connection.
Further, still including solid fixed ring, gu fixed ring corresponds the junction setting of inferior valve and epitheca, gu fixed ring upper end and lower extreme fixed mounting respectively on epitheca and the inferior valve.
Like this, utilize solid fixed ring further to fix epitheca and inferior valve, reduce its deformation degree, better increase of service life improves the compressive capacity.
Further, the lower shell and the upper shell are connected through welding. The processing and the manufacturing are convenient.
Further, the fixing ring is connected with the upper shell and the lower shell in a welding mode. The processing and the manufacturing are convenient.
To sum up, the utility model has the advantages of better resistance to compression, structural strength is high, the stable performance, longe-lived.
Drawings
Fig. 1 is a schematic structural diagram of the pressure-resistant aluminum electrolytic capacitor of the present invention.
Fig. 2 is a sectional view of the internal structure of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In specific implementation, as shown in fig. 1-2, a pressure-resistant aluminum electrolytic capacitor comprises a capacitor body, wherein the capacitor body comprises a shell, an electrolytic chamber shell 1, an electrolyte 11, two pins 12, a cathode connection wire 13, an anode connection wire 14, a contact 15 and a support spring 16; the electrolytic chamber shell 1 is arranged in the shell, and a heat dissipation coating 17 is arranged between the outer side wall of the electrolytic chamber shell 1 and the inner side wall of the shell; the electrolyte 11 is filled in the electrolytic chamber shell 1, the supporting spring 16 is arranged in the electrolytic chamber shell 1, and the supporting spring 16 is in contact with the inner side wall of the electrolytic chamber shell 1; the shell comprises a lower shell 21 and a lower shell 22, the upper end of the lower shell 21 is fixedly provided with the upper shell 22, the electrolytic chamber shell 1 is fixedly arranged in the lower shell 21, an inner cover 3 for sealing the upper end of the electrolytic chamber shell 1 is arranged in the lower shell 21, and two contacts 15 are arranged on the inner cover 3 at intervals; the lower ends of the cathode wire 13 and the anode wire 14 are immersed in the electrolyte 11, the upper ends of the cathode wire 13 and the anode wire 14 are respectively connected with a contact 15 arranged on the inner cover 3, and the two pins 12 are respectively connected with the contact 15.
Like this, with applying paint the thermal coating with a brush between electrolysis chamber casing lateral wall and the shell inside wall, insulating coating can also be applied paint specifically, fix the electrolysis chamber casing in the inferior valve, pour into electrolyte, put into supporting spring, with positive pole lead wire and negative pole danger with the contact on the inner cup be connected, then with inner cup fixed mounting in the casing, be provided with the boss that is used for installing location and support the inner cup in the casing, utilize the inner cup to seal the electrolysis chamber casing, then with pin and contact fixed connection, at last with upper casing and inferior valve fixed connection, the pin outer end is located the casing outside. When the aluminum electrolytic capacitor arranged in this way is used, after being extruded or impacted, the supporting spring supports the electrolytic chamber shell, and the supporting spring is spirally arranged and can integrally support the electrolytic chamber shell. Moreover, the supporting spring has certain elasticity and can automatically recover after being stressed, so that the deformation of the electrolytic chamber shell is reduced. Especially under atmospheric pressure, the pressure can be better resisted and the stability can be kept. When the extrusion force is big, the shell takes place to warp, can lead to the inner cup to open, and electrolyte is revealed, but electrolyte is all the time in the casing, and atmospheric pressure is too big, and it warp, leads to the inner space to reduce, and the shell can give electrolyte a space for aluminum electrolytic capacitor can continue to use, and is longe-lived, and compressive capacity is strong. A gap is arranged between the lower shell and the electrolyte shell, so that heat dissipation is facilitated, and a space is provided for thermal expansion of the electrolyte shell. Specifically, the support spring is not in contact with the cathode wiring and the anode wiring.
Further, the upper surface of the contact 15 is recessed to form a groove 4, and the pin 12 is welded in the groove 4.
Like this, when casing or inner cup warp, the pin can incline, and the recess provides a space for the pin, can avoid the pin fracture, better increase of service life.
Further, the lead 12 is fixedly connected to the contact 15 by soldering.
Like this, recess intussuseption is filled with tin, can be more firm fix the pin, convenient connection.
Further, still include solid fixed ring 5, gu fixed ring 5 corresponds the junction setting of inferior valve 21 and epitheca 22, gu fixed ring 5 upper end and lower extreme fixed mounting respectively on epitheca 22 and the inferior valve 21.
Like this, utilize solid fixed ring further to fix epitheca and inferior valve, reduce its deformation degree, better increase of service life improves the compressive capacity.
Further, the lower case 21 and the upper case 22 are welded. The processing and the manufacturing are convenient.
Further, the fixing ring 5 is welded to the upper case 22 and the lower case 21. The processing and the manufacturing are convenient.
The use principle and the flow are as follows:
apply paint the heat dissipation coating with a brush between electrolysis chamber casing lateral wall and the shell inside wall, insulating coating can also be applied paint specifically, fix the electrolysis chamber casing in the inferior valve, pour into electrolyte, put into supporting spring, with positive pole lead wire and negative pole danger with interior epaxial contact connection of cover, then with inner cup fixed mounting in the casing, be provided with the boss that is used for installing location and support the inner cup in the casing, utilize the inner cup to seal the electrolysis chamber casing, then with pin and contact fixed connection, with epitheca and inferior valve fixed connection at last, the pin outer end is located the casing outside. When the aluminum electrolytic capacitor arranged in this way is used, the supporting spring supports the electrolytic cell shell after being extruded or impacted, and the supporting spring is spirally arranged, so that the electrolytic cell shell can be integrally supported, and the pressure resistance is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. The pressure-resistant aluminum electrolytic capacitor is characterized by comprising a capacitor body, wherein the capacitor body comprises a shell, an electrolytic chamber shell, electrolyte, two pins, a cathode wiring, an anode wiring, a contact and a supporting spring;
the electrolytic chamber shell is arranged in the shell, and a heat dissipation coating is arranged between the outer side wall of the electrolytic chamber shell and the inner side wall of the shell;
the electrolyte is filled in the electrolytic chamber shell, the supporting spring is arranged in the electrolytic chamber shell, and the supporting spring is in contact with the inner side wall of the electrolytic chamber shell;
the shell comprises a lower shell and a lower shell, the upper end of the lower shell is fixedly provided with an upper shell, the electrolytic chamber shell is fixedly arranged in the lower shell, an inner cover for sealing the upper end of the electrolytic chamber shell is arranged in the lower shell, and two contacts are arranged on the inner cover at intervals;
the lower ends of the cathode connecting wire and the anode connecting wire are immersed in the electrolyte, the upper ends of the cathode connecting wire and the anode connecting wire are respectively connected with contacts arranged on the inner cover, and the two pins are respectively connected with the contacts.
2. The pressure resistant aluminum electrolytic capacitor of claim 1 wherein the contact upper surface is recessed to form a groove, and the pin is welded in the groove.
3. The pressure resistant aluminum electrolytic capacitor of claim 2 wherein the pins are fixedly connected to the contacts by soldering.
4. The pressure-resistant aluminum electrolytic capacitor as recited in claim 3, further comprising a fixing ring disposed corresponding to a joint of the lower case and the upper case, wherein upper and lower ends of the fixing ring are respectively fixedly mounted on the upper case and the lower case.
5. The pressure-resistant aluminum electrolytic capacitor as recited in claim 4, wherein the lower case and the upper case are welded.
6. The pressure-resistant aluminum electrolytic capacitor as recited in claim 5, wherein the fixing ring is welded to the upper case and the lower case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830571.6U CN210110547U (en) | 2019-05-31 | 2019-05-31 | Resistance to compression formula aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830571.6U CN210110547U (en) | 2019-05-31 | 2019-05-31 | Resistance to compression formula aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210110547U true CN210110547U (en) | 2020-02-21 |
Family
ID=69562927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920830571.6U Expired - Fee Related CN210110547U (en) | 2019-05-31 | 2019-05-31 | Resistance to compression formula aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210110547U (en) |
-
2019
- 2019-05-31 CN CN201920830571.6U patent/CN210110547U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |