CN212434466U - Explosion-proof assembly of condenser and explosion-proof condenser - Google Patents
Explosion-proof assembly of condenser and explosion-proof condenser Download PDFInfo
- Publication number
- CN212434466U CN212434466U CN202021011893.7U CN202021011893U CN212434466U CN 212434466 U CN212434466 U CN 212434466U CN 202021011893 U CN202021011893 U CN 202021011893U CN 212434466 U CN212434466 U CN 212434466U
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- Prior art keywords
- explosion
- electrode column
- proof
- electrode
- capacitor
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- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 48
- 239000004593 Epoxy Substances 0.000 claims description 9
- 239000003566 sealing material Substances 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Images
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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses an explosion-proof assembly of condenser and explosion-proof condenser, include the lid and set up electrode holder and electrode post on the lid, the electrode post is cavity tubular structure, is equipped with the broken string that rises in the pipeline of electrode post, the bottom of the broken string that rises and the electric wire connection of the inside capacitive element of condenser, the top of the broken string that rises under broken string and the electric wire tensioning state with the upper portion welded fastening of electrode post, the top pipeline mouth of electrode post is sealed. The utility model discloses an explosion-proof assembly redesign to the condenser switches the thinking, changes the earlier back closing cap of connecting among the prior art into earlier closing cap welded fastening again, avoids rising the shortcoming insensitive, that influence explosion-proof effect under the broken string lax state. The utility model discloses an explosion-proof assembly reaction is sensitive, and is rational in infrastructure, and the cost of manufacture is low. The utility model discloses explosion-proof condenser, it is explosion-proof effectual, safer.
Description
Technical Field
The utility model relates to a condenser technical field, in particular to explosion-proof assembly of condenser.
Background
The existing explosion-proof capacitor assembly generally adopts expansion deformation to break welding spots between the tip of an electrode column and a copper foil sheet to realize circuit breaking and explosion prevention.
The alternating current filter capacitor adopts the technical scheme that the internal wiring of the capacitor is directly spot-welded on an electrode column of an explosion-proof capacitor assembly, and the expansion deformation is realized to break a welding spot to realize circuit breaking. However, since the welding is performed before the cover body of the capacitor is sealed, a small section of loose part is arranged between the wire and the welding spot of the capacitor element in the capacitor after the cover body is sealed, the welding spot cannot be directly broken in the expansion and deformation process of the cover body, and the explosion-proof reaction is not sensitive enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art's defect, provide a explosion-proof assembly of condenser, seal the lid earlier, be in under the tensioning state again at the broken string that rises, will rise broken string and electrode post welded fastening, can make the broken string that rises be in perfect tensioning state, at the beginning of inflation deformation process, start dragging the solder joint promptly, explosion-proof reaction is more sensitive, and explosion-proof effect is better.
The technical scheme of the utility model:
an explosion-proof assembly of a capacitor comprises a cover body, and an electrode holder and an electrode column which are arranged on the cover body, wherein the electrode column is of a hollow tubular structure, an expansion broken line is arranged in a pipeline of the electrode column, the bottom end of the expansion broken line is connected with an electric wire of a capacitance element in the capacitor, the top end of the expansion broken line is welded and fixed with the upper part of the electrode column in the expansion broken line and electric wire tensioning states, and the pipeline opening at the top end of the electrode column is sealed.
Furthermore, the cover body is provided with a round hole for installing the electrode column, the electrode seat is provided with a through hole for penetrating through the electrode column, the upper part and the lower part of the electrode column are provided with threads, the lower part of the electrode column is fixedly provided with the electrode seat and the electrode column on the cover body through nuts, an insulating material is arranged between the nuts and the cover body, and a sealing material is arranged at the round hole between the cover body and the electrode column.
Furthermore, the expansion broken line and the electrode column are welded and fixed at the pipeline opening at the top end of the electrode column, and the pipeline opening is welded and sealed.
Furthermore, the sealing material is silicon bead rubber, the insulating material is an epoxy plate, and the epoxy plate and the silicon bead rubber are sleeved on the electrode column.
Further, the electrode column and the electrode holder are poured and fixed into a whole, or an annular plate for tightly pressing and fixing the electrode holder on the cover body is arranged on the upper portion of the electrode column.
Furthermore, the expansion broken wire is provided with a notch which enables the expansion broken wire to be easily broken.
Furthermore, the expansion broken line is in a flat strip shape, and the gap is in a triangular shape or an arc shape.
Furthermore, a concave expansion deformation area is arranged in the middle of the cover body, and the electrode holder and the electrode column are fixedly arranged in the expansion deformation area.
The explosion-proof capacitor comprises the capacitor explosion-proof assembly, a capacitor shell and a capacitance element arranged in the capacitor shell, wherein the cover body is fixedly connected with the capacitor shell in a sealing manner.
Furthermore, a ring of annular limiting plate which is bent towards the inside of the cylinder and flattened is arranged on the wall of the capacitor shell.
Compared with the prior art, the utility model discloses an explosion-proof assembly redesign to the condenser switches the thinking, changes into earlier closing cap welded fastening again with the earlier back closing cap of connecting among the prior art, avoids rising the shortcoming insensitive, the explosion-proof effect of influence under the broken string lax state. The explosion-proof assembly of the utility model has sensitive reaction, reasonable structure and low manufacturing cost; the utility model discloses explosion-proof condenser, it is explosion-proof effectual, safer.
Drawings
FIG. 1 is a schematic diagram showing a cross-sectional view and a front view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic view of the capacitor structure of the present invention;
fig. 4 is a schematic view of the capacitor case of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
Example 1:
an explosion-proof assembly of a capacitor is shown in figures 1 and 2 and comprises a cover body 1, an electrode holder 2 and an electrode column 3, wherein the electrode holder 2 and the electrode column 3 are arranged on the cover body 1, the electrode column 3 is of a hollow tubular structure, a tension broken line 4 is arranged in a pipeline 31 of the electrode column 3, the bottom end of the tension broken line 4 is connected with an electric wire 5 of a capacitance element in the capacitor, the top end of the tension broken line 4 is welded and fixed with the upper part of the electrode column 3 in a tension state of the tension broken line 4 and the electric wire 5, and a top pipeline 31 opening of the electrode column 3 is sealed.
The utility model discloses during the use, will rise earlier the broken string and capacitor inner line connection fix after take out from the electrode post, again with lid and the sealed fixed of capacitor case installation, then outside take-up the broken string that rises and will rise broken string and electrode post welded fastening in the pipeline mouth department of electrode post to it is sealed in fact to weld the pipeline mouth of electrode post simultaneously. This structure has effectively solved current condenser and has caused the internal line of condenser to relax because of at last lid and casing encapsulation, and explosion-proof delay is insensitive problem. The utility model discloses a new thinking new technology encapsulates earlier and welds again, makes explosion-proof capacitor assembly's broken line that rises and condenser inner line keep the tensioning state, ensures that explosion-proof nothing is delayed, highly sensitive, guarantees condenser safe in utilization.
Further, be equipped with the round hole 11 of installation electrode post on the lid 1, be equipped with the through-hole 21 that passes electrode post 3 on the electrode holder 2, the upper portion and the lower part cylinder surface of electrode post 3 are equipped with the screw thread, the lower part of electrode post 3 is passed through nut 32 and is fixed electrode holder 2, electrode post 3 installation on the lid 1, be equipped with insulating material 33 between nut 32 and the lid, the round hole department between lid 1 and the electrode post 3 is equipped with sealing material 34. The upper end screw thread of the electrode column 3 is used for being connected with an external circuit, and the lower end screw thread of the electrode column is used for installing and fixing the electrode column, the electrode seat, the sealing material, the insulating material and the like on the cover body through nuts to form an assembly whole. The sealing material completely seals the gap between the cap and the electrode column.
Furthermore, the expansion fracture line 4 and the electrode column 3 are welded and fixed at the opening of the pipeline 31 at the top end of the electrode column, and the opening of the pipeline is welded and sealed to form a welding block 35. The welding spot is located the top of electrode column, and the construction is swift convenient, welds the closed pipeline, and is not only firm, and sealing performance is good moreover. The pipeline mouth department welding is sealed convenient and fast more, and the welding seals than other sealed modes, and is more firm, and implements together with welded fastening, has reduced follow-up installation step.
Further, the sealing material 34 is silicon bead rubber, the insulating material 33 is an epoxy plate, and the epoxy plate and the silicon bead rubber are sleeved on the electrode column 3. The silica beads have good elasticity, stable property, corrosion resistance and good sealing performance; the epoxy board can effectively prevent creepage and has good insulation effect. A gasket can be arranged between the epoxy plate and the nut, so that the epoxy plate is prevented from being crushed due to small nut area in a compression state.
Further, the electrode column 3 and the electrode holder 2 are poured and fixed into a whole, or an annular plate for tightly pressing and fixing the electrode holder on the cover body is arranged on the upper part of the electrode column. The pouring type electrode column and the electrode seat are high in integrity and convenient and fast to install. The pouring type can also be used for arranging the annular plate on the electrode column, and the annular plate not only can be used for being pressed and fixed in a split type manner, but also can increase the contact area when being connected with an external circuit.
Furthermore, be equipped with on the broken line 4 that rises and make the broken line easily break opening 41, the design of opening makes the breakpoint and the intensity of tearing of the broken line that rises can quantify, reaches better explosion-proof effect, through the thickness of control opening size and the broken line that rises, can tear the experiment according to the experiment, does benefit to the quantization, and explosion-proof more accurate.
Further, the expansion broken line 4 is in a flat strip shape, and the gap is in a triangular shape or an arc shape. The flat wire is matched with the opening, so that the electrified section is accurate and controllable, the flat wire is easier to break, and the explosion-proof sensitivity is improved. The gap may also be partially truncated.
Furthermore, a concave expansion deformation area 12 is arranged in the middle of the cover body 1, and the electrode holder 2 and the electrode column 3 are fixedly arranged in the expansion deformation area. The expansion deformation area can lengthen the stroke of expansion deformation, and the explosion-proof effect is improved.
Example 2:
an explosion-proof capacitor, as shown in fig. 1-4, comprises a capacitor housing 6, a capacitor element 7 disposed in the capacitor housing, and the above capacitor explosion-proof assembly, wherein the cover body 1 is hermetically connected and fixed with the capacitor housing 6.
Furthermore, a ring-shaped limiting plate 61 which is bent and flattened towards the inside of the cylinder is arranged on the wall of the capacitor shell 6. The annular limiting plate not only can fix capacitance components such as epoxy resin and the like in the capacitor, but also can provide an expansion space to break the expansion broken line and the electric wire of the capacitor. And the explosion-proof effect is improved.
Compared with the prior art, the utility model discloses an explosion-proof assembly redesign to the condenser switches the thinking, changes into earlier closing cap welded fastening again with the earlier back closing cap of connecting among the prior art, avoids rising the shortcoming insensitive, the explosion-proof effect of influence under the broken string lax state. The utility model discloses an explosion-proof assembly reaction is sensitive, and is rational in infrastructure, and the cost of manufacture is low. The utility model discloses explosion-proof condenser, it is explosion-proof effectual, safer.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, and the present invention will have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements all fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a condenser explosion-proof assembly which characterized in that: the electrode column is of a hollow tubular structure, an expansion broken line is arranged in a pipeline of the electrode column, the bottom end of the expansion broken line is connected with a wire of a capacitor internal capacitance element, the top end of the expansion broken line is welded and fixed with the upper portion of the electrode column in the expansion broken line and wire tensioning state, and a pipeline opening at the top end of the electrode column is sealed.
2. The explosion-proof assembly of capacitors of claim 1, wherein: the electrode holder is characterized in that a round hole for installing an electrode column is formed in the cover body, a through hole penetrating through the electrode column is formed in the electrode holder, threads are arranged on the upper portion of the electrode column and the surface of a lower cylinder of the electrode column, the electrode holder and the electrode column are fixedly installed on the cover body through nuts in the lower portion of the electrode column, an insulating material is arranged between the nuts and the cover body, and a sealing material is arranged at the round hole between the cover body and the electrode column.
3. The explosion-proof assembly of capacitors of claim 1, wherein: and the expansion broken line and the electrode column are welded and fixed at the pipeline opening at the top end of the electrode column, and the pipeline opening is welded and sealed.
4. The explosion-proof assembly of a capacitor of claim 2, wherein: the sealing material is silicon bead rubber, the insulating material is an epoxy plate, and the epoxy plate and the silicon bead rubber are sleeved on the electrode column.
5. The explosion-proof assembly of capacitors of claim 1, wherein: the electrode column and the electrode seat are poured and fixed into a whole, or an annular plate for tightly pressing and fixing the electrode seat on the cover body is arranged on the upper part of the electrode column.
6. The explosion-proof assembly of capacitors of claim 1, wherein: and the expansion broken wire is provided with a notch which enables the expansion broken wire to be easily broken.
7. The explosion-proof assembly of capacitors of claim 6, wherein: the expansion broken line is in a flat strip shape, and the opening is in a triangular shape or an arc shape.
8. The explosion-proof assembly of capacitors of claim 1, wherein: the middle part of the cover body is provided with a concave expansion deformation area, and the electrode seat and the electrode column are fixedly arranged in the expansion deformation area.
9. An explosion-proof capacitor comprising the capacitor explosion-proof assembly as defined in any one of claims 1 to 8, wherein: the capacitor comprises a capacitor shell and a capacitor element arranged in the capacitor shell, and the cover body is fixedly connected with the capacitor shell in a sealing manner.
10. An explosion-proof capacitor as set forth in claim 9, wherein: and a circle of annular limiting plate bent and flattened towards the inside of the cylinder is arranged on the wall of the capacitor shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021011893.7U CN212434466U (en) | 2020-06-05 | 2020-06-05 | Explosion-proof assembly of condenser and explosion-proof condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021011893.7U CN212434466U (en) | 2020-06-05 | 2020-06-05 | Explosion-proof assembly of condenser and explosion-proof condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212434466U true CN212434466U (en) | 2021-01-29 |
Family
ID=74273012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021011893.7U Expired - Fee Related CN212434466U (en) | 2020-06-05 | 2020-06-05 | Explosion-proof assembly of condenser and explosion-proof condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212434466U (en) |
-
2020
- 2020-06-05 CN CN202021011893.7U patent/CN212434466U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210129 |