CN213183997U - Explosion-proof metallized film capacitor - Google Patents
Explosion-proof metallized film capacitor Download PDFInfo
- Publication number
- CN213183997U CN213183997U CN202021948979.2U CN202021948979U CN213183997U CN 213183997 U CN213183997 U CN 213183997U CN 202021948979 U CN202021948979 U CN 202021948979U CN 213183997 U CN213183997 U CN 213183997U
- Authority
- CN
- China
- Prior art keywords
- area
- inner shell
- blasting
- shell
- outer shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model provides an explosion-proof metallized film capacitor, which comprises an inner shell and an outer shell, wherein a buffer layer is arranged between the inner shell and the outer shell; the inner shell is provided with a blasting area, and one side of the blasting area, which is close to the outer shell, is provided with a plurality of blasting grooves for reducing the toughness of the blasting area; a compression-resistant area protruding in the direction away from the inner shell is arranged at the position, corresponding to the blasting area, of the outer shell, and a reinforcing rib for reinforcing the toughness of the compression-resistant area is arranged on one side, close to the inner shell, of the compression-resistant area; the utility model has the advantages that: through set up the blasting district on the inner shell to set up blasting groove and reduce toughness, when making the condenser explosion, the inner shell propped out from blasting district department, and filling material gushes to between inner shell and the shell from the blasting district, sets up anti nip and sets up the strengthening rib, makes filling material hindered by the anti nip on the shell, gushes to the buffer layer, thereby plays the effect of buffering, prevents that filling material from splashing when the explosion from leading to the circuit board at condenser place to damage more seriously.
Description
Technical Field
The utility model relates to a condenser technical field especially relates to an explosion-proof metallized film capacitor.
Background
A capacitor, generally referred to simply as its capacity to hold a charge, is denoted by the letter C; a capacitor, as the name implies, is an electrically charged container, a device that contains an electrical charge. The capacitor is one of the electronic components widely used in electronic devices, and is widely applied to the aspects of isolating direct current and alternating current, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit, and a capacitor is formed between any two conductors (including a lead) which are insulated and closely spaced from each other.
The condenser is used under the condition of long-term use or voltage overload, can lead to the inside temperature of condenser to rise fast, make the emergence inflation of the inside material of condenser, because current condenser generally adopts sealed structure, its inside space is comparatively compact, thereby lead to the inside material inflation of condenser to obtain the buffering, thereby lead to the condenser to explode, make the inside material of condenser spread around the circuit board, cause the damage to the circuit board, and the heat dispersion of condenser is poor, thereby the high temperature resistance performance of condenser has been reduced, make the condenser work under high temperature state explode, damage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide an explosion-proof metallized film capacitor.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
an explosion-proof metallized film capacitor comprises an inner shell and an outer shell, wherein a buffer layer is arranged between the inner shell and the outer shell; the inner shell is provided with a blasting area, and one side of the blasting area, which is close to the outer shell, is provided with a plurality of blasting grooves for reducing the toughness of the blasting area; the position that the shell corresponds with the blasting district is provided with to keeping away from the protruding resistance to compression district of inner shell direction, the resistance to compression district is close to inner shell one side and is provided with the strengthening rib of strengthening the resistance to compression district toughness.
As an improvement of the technical scheme, at least three connecting rods are arranged between the inner shell and the outer shell, and connecting points of the connecting rods and the inner shell are distributed in the edge area of the blasting area and distributed in an annular array around the blasting area; the connecting points of the connecting rods and the shell are distributed in the edge area of the compression-resistant area and distributed in an annular array around the compression-resistant area.
As an improvement of the technical scheme, the blasting groove comprises a transverse groove and a vertical groove which are vertically crossed.
As an improvement of the technical scheme, the section of the anti-pressing area is set to be circular arc.
As an improvement of the technical scheme, the reinforcing ribs comprise transverse ribs and vertical ribs, and the transverse ribs and the vertical ribs are arranged in a vertical crossed mode.
As an improvement of the technical scheme, the buffer layer is provided with a wavy metal sheet, and the metal sheet is in direct contact with the inner shell and the outer shell to form a heat conduction channel.
As an improvement of the above technical solution, the metal sheet is provided with a plurality of through holes for heat convection between the inner and outer shells.
The utility model has the advantages that: through set up the blasting area on the inner shell, and set up the toughness that a plurality of blasting grooves reduce the blasting area in the blasting area, make when the condenser explodes, the inner shell props brokenly from blasting area department cup, the filler in the inner shell gushes to between inner shell and the shell from the blasting area, through set up anti nip in the corresponding position in shell and blasting area, and set up the strengthening rib of strengthening anti nip toughness in anti nip department, make the filler that bursts the inner shell and gushes out and blocked by the anti nip on the shell, thereby gush the buffer layer between inner shell and the shell, thereby play the effect of buffering, prevent that the filler from splashing when the explosion and leading to the circuit board at condenser place to damage more seriously.
Drawings
Fig. 1 is a schematic structural view of an explosion-proof metallized film capacitor with an explosion-proof area disposed on the sidewall of an inner shell according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an explosion-proof metallized film capacitor with a blasting area disposed at the top end of an inner shell according to an embodiment of the present invention;
the anti-pressure device comprises an inner shell 10, a blasting area 11, a blasting groove 12, an outer shell 20, an anti-pressure area 21, reinforcing ribs 22, connecting rods 23, a buffer layer 30 and metal sheets 31.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 1, the explosion-proof metallized film capacitor of the present embodiment includes an inner casing 10 and an outer casing 20, and a buffer layer 30 is disposed between the inner casing 10 and the outer casing 20; a blasting area 11 is arranged on the side wall of the inner shell 10, and a plurality of blasting grooves 12 for reducing the toughness of the blasting area 11 are arranged on one side of the blasting area 11 close to the outer shell 20; the outer shell 20 is provided with a pressure resisting area 21 protruding in the direction away from the inner shell 10 at the position corresponding to the blasting area 11, and a reinforcing rib 22 for reinforcing the toughness of the pressure resisting area 21 is arranged on one side of the pressure resisting area 21 close to the inner shell 10.
The side wall of the inner shell 10 is provided with the blasting area 11, the blasting area 11 is provided with a plurality of blasting grooves 12 to reduce the toughness of the blasting area 11, when the capacitor explodes, the inner shell 10 is cup-broken from the blasting area 11, the filling material in the inner shell 10 flows from the blasting area 11 to the space between the inner shell 10 and the outer shell 20, the position of the outer shell 20 corresponding to the blasting area 11 is provided with the anti-pressing area 21, the reinforcing rib 22 for reinforcing the toughness of the anti-pressing area 21 is arranged at the anti-pressing area 21, so that the filling material which breaks the inner shell 10 and flows out is blocked by the anti-pressing area 21 on the outer shell 20, and flows to the buffer layer 30 between the inner shell 10 and the outer shell 20, thereby playing a buffering role and preventing the circuit board where the capacitor is located from being damaged more seriously due to the splashing of the filling material during.
Connecting rods 23 are arranged between the inner shell 10 and the outer shell 20, the number of the connecting rods 23 is at least three, and connecting points of the connecting rods 23 and the inner shell 10 are distributed in the edge area of the blasting area 11 and distributed in an annular array around the blasting area 11; the connecting rods 23 are connected to the housing 20 at the edge of the anti-pressure area 21 and are arranged in an annular array around the anti-pressure area 21.
By adjusting the direction of the capacitor, the convex pressure-resistant area 21 is aligned to the vacuum area of the circuit board or the area with less circuits, so that when the explosion intensity is too high and the filling material breaks through the pressure-resistant area 21, the splashed filling material falls to the vacuum area of the circuit board or the area with less circuits as much as possible, and the loss is reduced; the capacitor is suitable for being used under the condition that a circuit area on a circuit board where the capacitor is located is small.
The connection tightness of the inner shell 10 and the outer shell 20 at the explosion area 11 and the pressure-resistant area 21 is enhanced, and the phenomenon that when the capacitor explodes, the area deforms to cause a gap between the inner shell 10 and the outer shell 20, so that the filling material in the inner shell 10 flows out from the gap to damage the circuit board is prevented.
The blasting groove 12 comprises a transverse groove and a vertical groove which are vertically crossed; the toughness at the explosion region 11 is reduced without deepening the explosion groove 12, so that the filling material in the inner shell 10 is easier to burst and burst out of the explosion region 11 when the capacitor is exploded.
The section of the anti-pressing area 21 is set to be circular arc; so that the stress at each position is more uniform, the toughness is higher, and the filling material is prevented from exploding the anti-pressure area 21 and splashing to the circuit board to cause loss.
The reinforcing ribs 22 comprise transverse ribs and vertical ribs, and the transverse ribs and the vertical ribs are vertically crossed; enhancing the toughness of the nip 21.
The buffer layer 30 is provided with wavy metal sheets 31, the metal sheets 31 are in direct contact with the inner shell 10 and the outer shell 20 to form a heat conduction channel, so that heat generated in the inner shell 10 can be dissipated through the heat conduction channel of the metal sheets 31 of the inner shell 10 and the outer shell 20, the internal temperature of the inner shell 10 is reduced, and explosion caused by overhigh dimension is prevented; the wavy metal sheet 31 can play a role in buffering, so that the inner shell 10 is prevented from being directly cracked when the capacitor explodes, the splashed filling material and fragments of the inner shell 10 do not rush to the anti-pressure area 21 of the outer shell 20, other areas of the outer shell 20 are easily cracked, and the filling material splashes to the circuit board to cause loss.
The metal sheet 31 is provided with a plurality of through holes for heat convection between the inner shell 10 and the outer shell 20, so that heat conduction inside the inner shell 10 is accelerated, the temperature inside the inner shell 10 is reduced, and the filling material which flows into the buffer layer 30 from the blasting area 11 can flow to more areas of the buffer layer 30 when the capacitor explodes, so that the buffer capacity of the buffer layer when the capacitor explodes is improved.
Example 2
As shown in fig. 2, the explosion-proof metallized film capacitor of the present embodiment includes an inner casing 10 and an outer casing 20, and a buffer layer 30 is disposed between the inner casing 10 and the outer casing 20; a blasting area 11 is arranged at the top end of the inner shell 10, and a plurality of blasting grooves 12 for reducing the toughness of the blasting area 11 are arranged on one side, close to the outer shell 20, of the blasting area 11; the outer shell 20 is provided with a pressure resisting area 21 protruding in the direction away from the inner shell 10 at the position corresponding to the blasting area 11, and a reinforcing rib 22 for reinforcing the toughness of the pressure resisting area 21 is arranged on one side of the pressure resisting area 21 close to the inner shell 10.
The top end of the inner shell 10 is provided with the blasting area 11, the blasting area 11 is provided with a plurality of blasting grooves 12 to reduce the toughness of the blasting area 11, when the capacitor explodes, the inner shell 10 is cup-broken from the blasting area 11, the filling material in the inner shell 10 flows from the blasting area 11 to the space between the inner shell 10 and the outer shell 20, the position of the outer shell 20 corresponding to the blasting area 11 is provided with the anti-pressing area 21, the anti-pressing area 21 is provided with the reinforcing rib 22 for enhancing the toughness of the anti-pressing area 21, so that the filling material which breaks and flows out the inner shell 10 is blocked by the anti-pressing area 21 on the outer shell 20 and flows to the buffer layer 30 between the inner shell 10 and the outer shell 20, the buffer function is achieved, and the situation that the filling material splashes to cause the damage of the circuit board where the capacitor is located to.
The top end of the inner shell 10 is provided with the blasting area 11, so that the convex pressure-resistant area 21 is aligned to the area above the circuit board, and the shielding object is arranged between the top end of the capacitor and the circuit board, so that the splashed filling material can be prevented from falling onto the circuit board when the explosion strength is too high and the filling material breaks through the pressure-resistant area 21, and the loss is reduced; the capacitor is suitable for being used under the condition that the circuit board where the capacitor is located is tight but the upper space is large.
Connecting rods 23 are arranged between the inner shell 10 and the outer shell 20, the number of the connecting rods 23 is at least three, and connecting points of the connecting rods 23 and the inner shell 10 are distributed in the edge area of the blasting area 11 and distributed in an annular array around the blasting area 11; the connecting rods 23 are connected to the housing 20 at the edge of the anti-pressure area 21 and are arranged in an annular array around the anti-pressure area 21.
The connection tightness of the inner shell 10 and the outer shell 20 at the explosion area 11 and the pressure-resistant area 21 is enhanced, and the phenomenon that when the capacitor explodes, the area deforms to cause a gap between the inner shell 10 and the outer shell 20, so that the filling material in the inner shell 10 flows out from the gap to damage the circuit board is prevented.
The blasting groove 12 comprises a transverse groove and a vertical groove which are vertically crossed; the toughness at the explosion region 11 is reduced without deepening the explosion groove 12, so that the filling material in the inner shell 10 is easier to burst and burst out of the explosion region 11 when the capacitor is exploded.
The section of the anti-pressing area 21 is set to be circular arc; so that the stress at each position is more uniform, the toughness is higher, and the filling material is prevented from exploding the anti-pressure area 21 and splashing to the circuit board to cause loss.
The reinforcing ribs 22 comprise transverse ribs and vertical ribs, and the transverse ribs and the vertical ribs are vertically crossed; enhancing the toughness of the nip 21.
The buffer layer 30 is provided with wavy metal sheets 31, the metal sheets 31 are in direct contact with the inner shell 10 and the outer shell 20 to form a heat conduction channel, so that heat generated in the inner shell 10 can be dissipated through the heat conduction channel of the metal sheets 31 of the inner shell 10 and the outer shell 20, the internal temperature of the inner shell 10 is reduced, and explosion caused by overhigh dimension is prevented; the wavy metal sheet 31 can play a role in buffering, so that the inner shell 10 is prevented from being directly cracked when the capacitor explodes, the splashed filling material and fragments of the inner shell 10 do not rush to the anti-pressure area 21 of the outer shell 20, other areas of the outer shell 20 are easily cracked, and the filling material splashes to the circuit board to cause loss.
The metal sheet 31 is provided with a plurality of through holes for heat convection between the inner shell 10 and the outer shell 20, so that heat conduction inside the inner shell 10 is accelerated, the temperature inside the inner shell 10 is reduced, and the filling material which flows into the buffer layer 30 from the blasting area 11 can flow to more areas of the buffer layer 30 when the capacitor explodes, so that the buffer capacity of the buffer layer when the capacitor explodes is improved.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. An explosion-proof metallized film capacitor, characterized in that: the damping device comprises an inner shell (10) and an outer shell (20), wherein a buffer layer (30) is arranged between the inner shell (10) and the outer shell (20); the inner shell (10) is provided with a blasting area (11), and one side of the blasting area (11) close to the outer shell (20) is provided with a plurality of blasting grooves (12) for reducing the toughness of the blasting area (11); the position of the outer shell (20) corresponding to the blasting area (11) is provided with a pressure resisting area (21) protruding in the direction away from the inner shell (10), and one side of the pressure resisting area (21) close to the inner shell (10) is provided with a reinforcing rib (22) for reinforcing the toughness of the pressure resisting area (21).
2. An explosion proof metallized film capacitor as claimed in claim 1, wherein: connecting rods (23) are arranged between the inner shell (10) and the outer shell (20), the number of the connecting rods (23) is at least three, and connecting points of the connecting rods (23) and the inner shell (10) are distributed in the edge area of the blasting area (11) and distributed in an annular array around the blasting area (11); the connecting points of the connecting rods (23) and the shell (20) are distributed in the edge area of the pressure resisting area (21) and distributed in an annular array around the pressure resisting area (21).
3. An explosion proof metallized film capacitor as claimed in claim 1 or 2, wherein: the blasting groove (12) comprises a transverse groove and a vertical groove which are vertically crossed.
4. An explosion proof metallized film capacitor as claimed in claim 1, wherein: the section of the anti-pressing area (21) is set to be circular arc.
5. An explosion proof metallized film capacitor as claimed in claim 1, wherein: the reinforcing ribs (22) comprise transverse ribs and vertical ribs, and the transverse ribs and the vertical ribs are arranged in a vertical crossed mode.
6. An explosion proof metallized film capacitor as claimed in claim 1, wherein: the buffer layer (30) is provided with a wavy metal sheet (31), and the metal sheet (31) is in direct contact with the inner shell (10) and the outer shell (20) to form a heat conduction channel.
7. An explosion proof metallized film capacitor as claimed in claim 6, wherein: the metal sheet (31) is provided with a plurality of through holes for heat convection between the inner shell (10) and the outer shell (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948979.2U CN213183997U (en) | 2020-09-08 | 2020-09-08 | Explosion-proof metallized film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021948979.2U CN213183997U (en) | 2020-09-08 | 2020-09-08 | Explosion-proof metallized film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213183997U true CN213183997U (en) | 2021-05-11 |
Family
ID=75772126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021948979.2U Active CN213183997U (en) | 2020-09-08 | 2020-09-08 | Explosion-proof metallized film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213183997U (en) |
-
2020
- 2020-09-08 CN CN202021948979.2U patent/CN213183997U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101227010B (en) | Rechageable battery | |
| US6295205B1 (en) | Explosion protection for semiconductor modules | |
| TW202038531A (en) | Explosion-proof enclosure for an energy storage device and an energy storage device | |
| CN101752517A (en) | Cover component and secondary battery having the same | |
| CN107851746B (en) | Cap assembly for secondary battery | |
| KR20110125230A (en) | End cover assembly and lithium secondary battery having the same | |
| KR102308017B1 (en) | Cylindrical Secondary Battery having Hollow portion filled with Thermal Conductive Resin | |
| US2744217A (en) | Electrical apparatus | |
| CN110021728A (en) | One-way vent valve, secondary battery's top cap subassembly and secondary battery | |
| KR20200106538A (en) | Battery, battery pack and car | |
| CN213183997U (en) | Explosion-proof metallized film capacitor | |
| CN115472437A (en) | Quick-plugging capacitor aluminum shell | |
| KR20090077123A (en) | Process for preparation of battery case | |
| CN111899980A (en) | Explosion-proof metallized film capacitor | |
| CN116364439A (en) | Electrolytic capacitor with protection structure and installation method thereof | |
| CN208478144U (en) | A kind of Anti-seismic capacitor | |
| KR100352084B1 (en) | Structure of positive electrode terminal of lithium ion battery | |
| CN206976172U (en) | A kind of explosionproof aluminium electrolytic capacitor of low energy consumption | |
| KR20080037869A (en) | Secondary battery | |
| CN212648074U (en) | Resistance to compression type aluminium electrolytic capacitor | |
| CN210443438U (en) | Polypropylene film capacitor easy to radiate heat | |
| CN210640273U (en) | Explosion-proof cover plate for energy storage device and energy storage device | |
| CN114375117A (en) | Heat dissipation module applied to deep-sea high-power electronic device | |
| CN220208743U (en) | Explosion-proof capacitor | |
| CN210200555U (en) | Explosion-proof shell of capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |