CN216487712U - Novel T-shaped metallized safety film capacitor - Google Patents
Novel T-shaped metallized safety film capacitor Download PDFInfo
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- CN216487712U CN216487712U CN202122885942.0U CN202122885942U CN216487712U CN 216487712 U CN216487712 U CN 216487712U CN 202122885942 U CN202122885942 U CN 202122885942U CN 216487712 U CN216487712 U CN 216487712U
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Abstract
The utility model relates to a novel T-shaped metallized safety film capacitor, which comprises a capacitor shell provided with a capacitor cavity, wherein a capacitor core is arranged in the capacitor cavity, insulating filling materials are filled between the capacitor core and the capacitor shell, the capacitor core is formed by winding two layers of T-shaped metallized safety films, a double-fuse structure is arranged in each layer of T-shaped metallized safety film, gold spraying layers are arranged on two end walls of the capacitor core, lead-out wires extending out of the capacitor are arranged on the gold spraying layers, and the lead-out wires are electrically connected with the gold spraying layers through a plurality of welding points arranged at intervals. The conditions such as lead-out wire looseness, contact failure can be prevented.
Description
Technical Field
The utility model relates to the field of capacitors, in particular to a novel T-shaped metallized safety film capacitor.
Background
The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to circuits such as power supply filtering, signal coupling, resonance, filtering, compensation, charging and discharging, energy storage, direct current isolation and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the existing problems and provides a novel T-shaped metallized safety film capacitor with a simple and reasonable structure, which mainly aims to improve the explosion-proof performance and the use stability of the capacitor.
The utility model provides a novel T shape metallization rupture disk condenser, is including the electric capacity shell that is equipped with the electric capacity chamber, the electric capacity intracavity is provided with the electric capacity core, has filled insulating stopping between electric capacity core and the electric capacity shell, the electric capacity core is by two-layer T shape metallization rupture disk winding shaping, and is equipped with the dual fuse structure in every layer T shape metallization rupture disk, is provided with on the both ends wall of electric capacity core and spouts the gold layer, is provided with the lead-out wire that extends the condenser outside on spouting the gold layer, and the lead-out wire passes through the welding point that a plurality of intervals set up and spouts gold layer electric connection.
The aim of the utility model can also be solved by the following technical measures:
the T-shaped metalized safety film comprises a plastic film, wherein a metal coating and a reserved edge are arranged on the surface of the plastic film, a plurality of T-shaped insulation gaps are arranged on the metal coating, the metal coating is separated from the coating edge electrically connected with the metal spraying layer through the T-shaped insulation gaps and a plurality of coating square resistors, a first fuse is formed between the heads of two adjacent T-shaped insulation gaps, a reserved space gap strip is arranged at the inner side position of the first fuse through the coating square resistors, a second fuse is formed between the two end portions of the reserved space gap strip and the adjacent heads, and the first fuse and the two second fuses form a double-fuse structure.
The two second fuses are arranged in parallel, and the melting point of the second fuses is lower than that of the first fuses.
The metal coating comprises a metal thickened area close to the side edge and a metal non-thickened area close to the reserved edge, the first fuse and the second fuse are arranged in the metal thickened area, and the main part of the coating sheet resistance is arranged in the metal non-thickened area.
The double-fuse structure on the two layers of T-shaped metalized safety films is arranged on opposite side edges, and the two layers of T-shaped metalized safety films are staggered and stacked left and right.
The left edge on the T-shaped metalized safety film is arranged corresponding to the head part and the plating edge part on the other layer of T-shaped metalized safety film, and the left space gap strip on the T-shaped metalized safety film is arranged corresponding to the plating square resistor on the other layer of T-shaped metalized safety film.
The first fuse is arranged at the middle position of the space-reserving gap strip.
The capacitor core is horizontally arranged in the capacitor cavity.
The connecting section of the outgoing line is radially arranged on the gold spraying layer, and a plurality of welding points are arranged at equal intervals along the extending direction of the outgoing line.
The insulating filling material is epoxy resin.
The utility model has the following beneficial effects:
the novel T-shaped metallized safety film capacitor is firm and durable in structure, the short circuit occurrence rate is greatly reduced by adopting the capacitor core formed by the T-shaped metallized safety film with the double-fuse structure, the capacitor has explosion-proof performance, the safety of the capacitor is improved, the electric quantity in the capacitor is locked, the capacitor is not easy to lose electricity, and the lead wire and the metal spraying layer are welded through multiple points, so that the situations of loosening of the lead wire, poor contact and the like can be prevented. The connection distance between the sheet resistance of the plating layer in the T-shaped metallized safety film and the lead-out wire is close, and the stability of the capacitor is improved.
Drawings
Fig. 1 is a schematic front sectional view of the present invention.
FIG. 2 is a schematic side sectional view of the present invention.
FIG. 3 is a schematic diagram of the winding of the capacitor core of the present invention.
FIG. 4 is a schematic view of the T-shaped metallized rupture disk of the present invention.
FIG. 5 is a diagram of an exemplary fuse circuit according to the present invention.
FIG. 6 is a schematic view of a cross-section and a flat perspective structure of a T-shaped metallized rupture disk of the present invention.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
As shown in fig. 1 to 6, a novel T-shaped metallized safety film capacitor comprises a capacitor shell 1 provided with a capacitor cavity, wherein a capacitor core 2 is arranged in the capacitor cavity, epoxy resin 3 is filled between the capacitor core 2 and the capacitor shell 1, the capacitor core 2 is formed by winding two layers of T-shaped metallized safety films 4, a double-fuse structure is arranged in each layer of T-shaped metallized safety film 4, gold spraying layers 5 are arranged on two end walls of the capacitor core 2, leading-out wires 6 extending out of the capacitor are arranged on the gold spraying layers 5, and the leading-out wires 6 are electrically connected with the gold spraying layers 5 through welding points 7 arranged at a plurality of intervals.
This structure is durable, adopts the fashioned electric capacity core 2 greatly reduced short circuit incidence of the T shape metallization rupture disk 4 that has the dual fuse structure, makes the condenser have explosion-proof equipment, improves the security of condenser to pin the electric quantity in the electric capacity, be difficult for losing the electricity, lead-out wire 6 and metal spraying layer 5 are through the multiple spot welding, can prevent that conditions such as 6 pine of lead-out wire take off, contact failure from appearing. The connection distance between the plating layer square resistor 422 in the T-shaped metallized safety film 4 and the outgoing line 6 is close, and the stability of the capacitor is improved.
Further, the T-shaped metalized safety film 4 includes a plastic film 41, a metal plating layer 42 and a margin 43 are disposed on a surface of the plastic film 41, a plurality of T-shaped insulating gaps 44 are disposed on the metal plating layer 42, the metal plating layer 42 is separated into a plating layer edge portion 421 electrically connected to the metal spraying layer 5 and a plurality of plating layer square resistors 422 through the T-shaped insulating gaps 44, a first fuse 8 is formed between head portions 441 of two adjacent T-shaped insulating gaps 44, a margin gap strip 45 is disposed on an inner side position of the first fuse 8 of the plating layer square resistor 422, a second fuse 9 is formed between two end portions of the margin gap strip 45 and the adjacent head portion 441, and the first fuse 8 and two second fuses 9 form a dual-fuse structure.
The rupture disk of this structure leaves the position of space gap strip 45 through the adjustment to form the first fuse 8 and the second fuse 9 of different fusing points and quantity, simple structure does not influence the primary structure of T shape metallization rupture disk 4, is provided with the dual fuse structure of first fuse 8 and second fuse 9, and dual fuse greatly reduced short circuit incidence can improve the security of rupture disk, plays explosion-proof effect.
Further, two second fuses 9 are arranged in parallel, and the melting point of the second fuses 9 is lower than that of the first fuses 8; the first fuse 8 and the second fuse 9 can be sequentially fused to play a double-fuse role.
Further, the metal plating layer 42 comprises a metal thickened area H1 close to the side edge and a metal non-thickened area H2 close to the remaining edge 43, the first fuse 8 and the second fuse 9 are both arranged in the metal thickened area H1, and the main part of the plating square resistance 422 is arranged in the metal non-thickened area H2; since the metal thickened region H1 has a small resistance, the first fuse 8 and the second fuse 9 at the position can be easily fused, and thus, a fuse function is achieved.
Further, the double-fuse structure on the two layers of T-shaped metalized safety films 4 is arranged at the opposite side positions, and the two layers of T-shaped metalized safety films 4 are staggered and stacked left and right.
Further, the left edge 43 of the T-shaped metallized safety film 4 is arranged corresponding to the head part 441 and the plated edge part 421 of the other T-shaped metallized safety film 4, and the left gap strip 45 of the T-shaped metallized safety film 4 is arranged corresponding to the plated square resistor 422 of the other T-shaped metallized safety film 4.
Further, the first fuse 8 is disposed at a central position of the space bar 45; the transverse widths of the second fuses 9 are close to each other, and the same fusing effect is achieved.
Further, the capacitor core 2 is horizontally arranged in the capacitor cavity; the lead-out wires 6 can be led out through both sides of the condenser core 2.
Further, the connecting section of the lead-out wire 6 is radially arranged on the gold-sprayed layer 5, and a plurality of welding points 7 are arranged at equal intervals along the extending direction of the lead-out wire 6; the distance between the plating layer edge 421 of the capacitor core 2 from inside to outside and the lead-out wire 6 can be equalized, and the use stability of the capacitor is improved.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
Claims (10)
1. A novel T-shaped metallized safety film capacitor is characterized in that: the capacitor comprises a capacitor shell provided with a capacitor cavity, wherein a capacitor core is arranged in the capacitor cavity, insulating filler is filled between the capacitor core and the capacitor shell, the capacitor core is formed by winding two layers of T-shaped metalized safety films, a double-fuse structure is arranged in each layer of T-shaped metalized safety film, gold spraying layers are arranged on two end walls of the capacitor core, lead-out wires extending out of the outer side of the capacitor are arranged on the gold spraying layers, and the lead-out wires are electrically connected with the gold spraying layers through welding points arranged at intervals.
2. The novel T-shaped metallized security film capacitor according to claim 1, wherein: the T-shaped metalized safety film comprises a plastic film, wherein a metal coating and a reserved edge are arranged on the surface of the plastic film, a plurality of T-shaped insulation gaps are arranged on the metal coating, the metal coating is separated from the coating edge electrically connected with the metal spraying layer through the T-shaped insulation gaps and a plurality of coating square resistors, a first fuse is formed between the heads of two adjacent T-shaped insulation gaps, a reserved space gap strip is arranged at the inner side position of the first fuse through the coating square resistors, a second fuse is formed between the two end portions of the reserved space gap strip and the adjacent heads, and the first fuse and the two second fuses form a double-fuse structure.
3. The novel T-shaped metallized security film capacitor according to claim 2, wherein: the two second fuses are arranged in parallel, and the melting point of the second fuses is lower than that of the first fuses.
4. The novel T-shaped metallized security film capacitor according to claim 2, wherein: the metal coating comprises a metal thickened area close to the side edge and a metal non-thickened area close to the reserved edge, the first fuse and the second fuse are arranged in the metal thickened area, and the main part of the coating sheet resistance is arranged in the metal non-thickened area.
5. The novel T-shaped metallized security film capacitor according to claim 2, wherein: the double-fuse structure on the two layers of T-shaped metalized safety films is arranged on opposite side edges, and the two layers of T-shaped metalized safety films are staggered and stacked left and right.
6. The novel T-shaped metallized security film capacitor according to claim 5, wherein: the left edge on the T-shaped metalized safety film is arranged corresponding to the head part and the plating edge part on the other layer of T-shaped metalized safety film, and the left space gap strip on the T-shaped metalized safety film is arranged corresponding to the plating square resistor on the other layer of T-shaped metalized safety film.
7. The novel T-shaped metallized security film capacitor according to claim 2, wherein: the first fuse is arranged at the middle position of the space-reserving gap strip.
8. The novel T-shaped metallized security film capacitor according to claim 1, wherein: the capacitor core is horizontally arranged in the capacitor cavity.
9. The novel T-shaped metallized security film capacitor according to claim 8, wherein: the connecting section of the outgoing line is radially arranged on the gold spraying layer, and a plurality of welding points are arranged at equal intervals along the extending direction of the outgoing line.
10. The novel T-shaped metallized security film capacitor according to claim 1, wherein: the insulating filling material is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122885942.0U CN216487712U (en) | 2021-11-23 | 2021-11-23 | Novel T-shaped metallized safety film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122885942.0U CN216487712U (en) | 2021-11-23 | 2021-11-23 | Novel T-shaped metallized safety film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216487712U true CN216487712U (en) | 2022-05-10 |
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ID=81398587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122885942.0U Active CN216487712U (en) | 2021-11-23 | 2021-11-23 | Novel T-shaped metallized safety film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216487712U (en) |
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2021
- 2021-11-23 CN CN202122885942.0U patent/CN216487712U/en active Active
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