CN215644151U - Winding assembly for capacitor - Google Patents

Abstract

The utility model discloses a winding assembly for a capacitor, which comprises a first polar plate, a second polar plate and an insulating column, wherein two ends of the insulating column are respectively and fixedly connected with the inner sides of the first polar plate and the second polar plate, and the insulating column consists of a magnetic core, a coil, an electrode layer and an insulating layer. This wire winding subassembly for condenser, increase voltage through setting up the coil, the effect of the current capacity who increases the condenser has been played, the interval has equidistance between every circle of coil, reduce wire winding inductance parasitic capacitance, the operational reliability is high, the effectual security that improves the condenser of lead wire through setting up, the effect of inside short-circuit protection has been played, make the condenser can continue normal work, surface area through increase first polar plate and second polar plate, and the length of insulated column is unrestricted, the effectual distance that shortens between first polar plate and the second polar plate, thereby further increase the electric capacity of first polar plate and second polar plate, the work efficiency of improvement condenser.

Description

Winding assembly for capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a winding assembly for a capacitor.

Background

Two conductors which are close to each other, with a non-conductive insulating medium in between, constitute a capacitor. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad.

With the change of electronic information technology, the update speed of digital electronic products is faster and faster, and capacitors play an important role in circuits such as tuning, bypassing, coupling, filtering and the like. The production and sales volume of consumer electronics products such as flat panel televisions (LCDs and PDPs), notebook computers, and digital cameras continues to increase, which drives the capacitor industry to grow, but in actual use, the following problems still exist:

1. at present, most of film capacitors in the market adopt a metalized film, and a very thin metal surface is directly formed on the surface of a plastic film through a vacuum deposition process and is used as an electrode; because the thickness of the electrode is very thin, the capacitor with larger capacity can be wound; but the electrode is thin and is only suitable for small current occasions;

2. usually, the lead and the internal electrode are connected together by a method of winding metal foil and a dielectric film, so that the voltage is limited and the capacitance is small;

3. most common plastic shells have poor low temperature resistance, become brittle at low temperature, are easy to age, are easy to dissolve in solvents, have poor heat resistance, large thermal expansion rate, poor impact resistance and are easy to deform.

In view of these drawbacks, it is necessary to design a winding assembly for a capacitor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a winding component for a capacitor, which has the effect of increasing the current capacity of the capacitor by arranging a coil to increase the voltage, the intervals between the turns of the coil are equidistant, the parasitic capacitance of the winding inductance is reduced, the working reliability is high, the metal foil adopts aluminum foil as an electrode, the process is simple, the electrode is convenient to be led out, can be applied to the heavy current occasion, effectively improves the safety of the capacitor through the arranged lead wire, plays the role of internal short circuit protection, ensures that the capacitor can continue to work normally, by increasing the surface area of the first polar plate and the second polar plate and not limiting the length of the insulating column, the distance between the first polar plate and the second polar plate is effectively shortened, therefore, the capacitance of the first polar plate and the capacitance of the second polar plate are further increased, the working efficiency of the capacitor is improved, and the problems in the prior art can be solved.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a wire winding subassembly for condenser, includes first polar plate, second polar plate and insulated column, the insulated column both ends respectively with first polar plate and the inboard fixed connection of second polar plate, the insulated column comprises magnetic core, coil, electrode layer and insulating layer.

Preferably, the centers of the outer sides of the first polar plate and the second polar plate are respectively provided with a lead connecting seat, and the outer sides of the lead connecting seats are respectively connected with the first pin and the second pin in a soldering mode.

Preferably, the coils are respectively and uniformly wound on the outer side of the magnetic core in a single layer, intervals are arranged among turns of the coils, the outer side of each coil is wrapped with an electrode layer, and an insulating layer is sleeved on the outer side of each electrode layer.

Preferably, the electrode layer includes a metal foil, a dielectric film and a lead, the dielectric film is disposed on the outer side of the metal foil, and the inner side of the metal foil is fixedly connected to one end of the lead respectively.

Preferably, the metal foil and the dielectric film are respectively wound on the outer side of the coil, and the lead wires are respectively fixedly connected with the inner sides of the first pin and the second pin.

Preferably, the insulating layer is arranged as a resin plastic shell, the surface areas of the first polar plate and the second polar plate are consistent, and the surface areas of the first polar plate and the second polar plate are larger than the surface area of the insulating column.

Compared with the prior art, the utility model has the following beneficial effects:

1. this wire winding subassembly for condenser increases voltage through setting up the coil, has played the effect that increases the current capacity of condenser, and the interval has equidistance between every circle of coil, reduces wire winding inductance parasitic capacitance, and operational reliability is high, and the foil metal adopts the aluminium foil as the electrode, and simple process, the electrode is conveniently drawn forth, can be applied to the heavy current occasion.

2. This wire winding subassembly for condenser increases the electric capacity through the electrode layer that sets up, and the dielectric film of setting has effectually improved the dielectric breakdown strength of capacitive element, improves partial discharge characteristic and heat dissipation condition, the effectual life who improves capacitive element, improves product quality.

3. This wire winding subassembly for condenser, the effectual security that has improved the condenser through the lead wire that sets up has played inside short-circuit protection's effect, makes the condenser can continue normal work, and the insulating layer sets up to the resin plastic shell, low in production cost, light in weight, and impact resistance is good, and insulating nature is good.

4. This wire winding subassembly for condenser, through the surface area of increase first polar plate and second polar plate, and the length of insulated column is unrestricted, has effectually shortened the distance between first polar plate and the second polar plate to further increase the electric capacity of first polar plate and second polar plate, improve the work efficiency of condenser.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is an elevational view of the overall construction of the present invention;

FIG. 3 is a side cross-sectional view of an insulating column of the present invention;

FIG. 4 is a schematic view of an electrode layer according to the present invention.

In the figure: 1. a first electrode plate; 2. a second polar plate; 3. an insulating column; 31. a magnetic core; 32. a coil; 33. an electrode layer; 331. a metal foil; 332. a dielectric film; 333. a lead wire; 34. an insulating layer; 4. a lead connecting seat; 5. a first pin; 6. a second pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a winding assembly for a capacitor, comprising a first plate 1, a second plate 2 and an insulating column 3, wherein two ends of the insulating column 3 are respectively fixedly connected with the inner sides of the first plate 1 and the second plate 2, the outer sides of the first plate 1 and the second plate 2 are respectively provided with a lead connecting seat 4, the outer sides of the lead connecting seats 4 are respectively soldered and connected with a first pin 5 and a second pin 6, the overall structure is compact, the volume is small, the capacitance is large, the winding assembly is suitable for different devices, the use flexibility is improved, the application range is enlarged, the insulating column 3 is composed of a magnetic core 31, a coil 32, an electrode layer 33 and an insulating layer 34, the coil 32 is respectively and uniformly wound on the outer side of the magnetic core 31 in a single layer, the coil 32 is arranged to increase the voltage, the current capacity of the capacitor is increased, the coil 32 has equal distance between each turn, the turn capacitance is effectively reduced, the whole inductor is prevented from being short-circuited when the frequency of the capacitor is higher, the parasitic capacitance of the winding inductor is reduced, the working reliability is high, the electrode layer 33 is wrapped on the outer side of the coil 32, the electrode layer 33 comprises a metal foil 331, a dielectric film 332 and a lead 333, the dielectric film 332 is arranged on the outer side of the metal foil 331, the inner side of the metal foil 331 is fixedly connected with one end of the lead 333 respectively, the metal foil 331 and the dielectric film 332 are wound on the outer side of the coil 32 respectively, the metal foil 331 adopts an aluminum foil as an electrode, the process is simple, the electrode is convenient to be led out, the capacitor can be applied to high-current occasions, the capacitor is increased through the arranged electrode layer 33, the arranged dielectric film 332 effectively improves the dielectric withstand voltage strength of the capacitor element, the local discharge characteristic and the heat dissipation condition, the service life of the capacitor element is effectively prolonged, the product quality is improved, a plurality of capacitor elements are connected in parallel and series to form a capacitor core, the safety of the capacitor is effectively improved through the arranged lead 333, the internal short-circuit protection effect is achieved, when a certain element breaks down, other intact elements discharge to the fuse, the fuse is rapidly fused within millisecond-level time, and a fault element is cut off, so that the capacitor can continue to work normally, the lead 333 is respectively fixedly connected with the inner sides of the first pin 5 and the second pin 6, the insulating layer 34 is sleeved on the outer side of the electrode layer 33, the insulating layer 34 is set to be a resin plastic shell, the production cost is low, the weight is light, the impact resistance is good, the insulating property is good, the surface areas of the first polar plate 1 and the second polar plate 2 are consistent, the surface areas of the first polar plate 1 and the second polar plate 2 are larger than the surface area of the insulating column 3, the capacitance of the first polar plate 1 and the second polar plate 2 is increased, the length of the insulating column 3 is not limited, and under the condition that the capacitance can be increased to the greatest extent, the length of the insulating column 3 is shortened, and the distance between the first polar plate 1 and the second polar plate 2 is effectively shortened, so that the capacitance of the first polar plate 1 and the second polar plate 2 is further increased, and the working efficiency of the capacitor is improved.

To sum up, the winding component for the capacitor increases the voltage through the coil 32, thereby achieving the effect of increasing the current capacity of the capacitor, the interval between each circle of the coil 32 is equidistant, thereby reducing the parasitic capacitance of the winding inductance, the working reliability is high, the capacitance is increased through the arranged electrode layer 33, the arranged dielectric film 332 effectively improves the dielectric withstand voltage strength of the capacitance element, the local discharge characteristic and the heat dissipation condition are improved, the service life of the capacitance element is effectively prolonged, the product quality is improved, a plurality of capacitance elements are connected in parallel and in series to form the capacitor core, the safety of the capacitor is effectively improved through the arranged lead 333, the internal short circuit protection effect is achieved, the capacitor can continue to work normally, the insulating layer 34 is arranged into the resin plastic shell, the production cost is low, the weight is light, the impact resistance is good, and the insulating property is good, through the surface area of increase first polar plate 1 and second polar plate 2, and the length of insulating post 3 is unrestricted, the effectual distance that shortens between first polar plate 1 and the second polar plate 2 to further increase the electric capacity of first polar plate 1 and second polar plate 2, improve the work efficiency of condenser.

It is noted that, herein, relational terms such as first and second, and the like may be 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a wire winding subassembly for condenser, includes first polar plate (1), second polar plate (2) and insulated column (3), its characterized in that: two ends of the insulating column (3) are respectively fixedly connected with the inner sides of the first polar plate (1) and the second polar plate (2), and the insulating column (3) is composed of a magnetic core (31), a coil (32), an electrode layer (33) and an insulating layer (34).

2. A wire winding assembly for capacitors as claimed in claim 1, wherein: the lead connecting seats (4) are respectively arranged at the centers of the outer sides of the first polar plate (1) and the second polar plate (2), and the outer sides of the lead connecting seats (4) are respectively connected with the first pins (5) and the second pins (6) in a soldering mode.

3. A wire winding assembly for capacitors as claimed in claim 2, wherein: the coil (32) is uniformly wound on the outer side of the magnetic core (31) in a single layer mode respectively, intervals are arranged among turns of the coil (32), the outer side of the coil (32) is wrapped with an electrode layer (33), and an insulating layer (34) is sleeved on the outer side of the electrode layer (33).

4. A wire winding assembly for capacitors as claimed in claim 3, wherein: the electrode layer (33) comprises a metal foil (331), a dielectric film (332) and a lead (333), the dielectric film (332) is arranged on the outer side of the metal foil (331), and the inner side of the metal foil (331) is fixedly connected with one end of the lead (333) respectively.

5. The winding assembly for capacitors as claimed in claim 4, wherein: the metal foil (331) and the dielectric film (332) are respectively wound on the outer side of the coil (32), and the lead wires (333) are respectively fixedly connected with the inner sides of the first pin (5) and the second pin (6).

6. The winding assembly for capacitors as claimed in claim 5, wherein: the insulating layer (34) is set to be a resin plastic shell, the surface areas of the first polar plate (1) and the second polar plate (2) are consistent, and the surface areas of the first polar plate (1) and the second polar plate (2) are larger than that of the insulating column (3).

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