CN213400884U - Electrodeless capacitor, power line and electric appliance - Google Patents
Electrodeless capacitor, power line and electric appliance Download PDFInfo
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- CN213400884U CN213400884U CN202022181700.9U CN202022181700U CN213400884U CN 213400884 U CN213400884 U CN 213400884U CN 202022181700 U CN202022181700 U CN 202022181700U CN 213400884 U CN213400884 U CN 213400884U
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- electrodeless
- power cord
- polar capacitor
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Abstract
The utility model is suitable for an electron device technical field provides an electrodeless capacitor, power cord and electrical apparatus, wherein the electrodeless capacitor includes nonpolarity electric capacity film and two spliced poles connected with the nonpolarity electric capacity film; the non-polar capacitor film is wound into a cylindrical shape. The utility model discloses the beneficial effect who reaches: the non-polar capacitor film is wound into a cylindrical shape, so that the non-polar capacitor can be directly fixed on a power line, the occupied installation space is reduced, the light-weight design of a product is facilitated, and the competitiveness of the product is improved.
Description
Technical Field
The utility model belongs to the technical field of electron device, especially, relate to an electrodeless electric capacity, power cord and electrical apparatus.
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 (F). The capacitor element is generally denoted by letter C in the circuit diagram.
The capacitor comprises an electrode capacitor and an electrodeless capacitor, the electrodeless capacitor is a capacitor without the positive electrode and the negative electrode of a polar power supply, two electrodes of the electrodeless capacitor can be randomly connected into a circuit, and the electrodeless capacitor does not have the phenomenon of electric leakage and is mainly applied to circuits such as coupling, decoupling, feedback, compensation, oscillation and the like. The conventional electrodeless capacitor is generally rectangular parallelepiped.
During installation, the electrodeless capacitor needs to be arranged on a PCBA board, occupies a larger space of the PCBA, and is not beneficial to lightweight design of products.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an electrodeless electric capacity aims at solving the big problem of installation space that current electrodeless electric capacity occupies.
The embodiment of the utility model provides a realize like this, an electrodeless electric capacity, include:
a non-polar capacitor film, and
two connecting posts connected with the non-polar capacitor film;
the non-polar capacitor film is wound into a cylindrical shape.
Furthermore, an insulating lining is arranged on the inner cylinder wall of the non-polar capacitor film, and an insulating protective sleeve is arranged on the outer cylinder wall of the non-polar capacitor film.
Furthermore, the front end and the rear end of the electrodeless capacitor are respectively provided with an insulating cover plate.
Furthermore, the free tail ends of the two connecting columns are provided with connecting rings.
Furthermore, the surfaces of the two connecting columns are sleeved with insulating skins.
Further, the connection ring includes:
a circular ring portion, and
a butt joint part connected with the circular ring part;
the butt joint parts are connected with the corresponding connecting columns.
Furthermore, a connecting hole is formed in the position, corresponding to the connecting column, of the butt joint part.
Furthermore, the connecting mode of the connecting column and the connecting hole is threaded connection or buckling connection.
Another object of the embodiment of the utility model is to provide a power cord, including power cord body and plug, still include as in any one of above-mentioned electrodeless electric capacity, the power cord body passes nonpolarity electric capacity film, two the spliced pole respectively with the zero line and the live wire of power cord body are connected.
Another object of the embodiments of the present invention is to provide an electrical appliance, including the above power cord, and with the PCBA that the power cord electricity is connected.
The utility model discloses the beneficial effect who reaches: the non-polar capacitor film is wound into a cylindrical shape, so that the non-polar capacitor can be directly fixed on a power line, the occupied installation space is reduced, the light-weight design of a product is facilitated, and the competitiveness of the product is improved.
Drawings
Fig. 1 is a schematic perspective view of an electrodeless capacitor provided in an embodiment of the present invention;
fig. 2 is a schematic perspective view of an electrodeless capacitor according to another embodiment of the present invention;
fig. 3 is a schematic perspective view of a power line according to another embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The structure of the existing electrodeless capacitor is in a cuboid shape, and the electrodeless capacitor needs to be arranged on a PCBA board during installation, needs to occupy a larger space of the PCBA and is not beneficial to the lightweight design of products. In order to solve the above problems, the present invention provides the following embodiments.
Example one
Referring to fig. 1, a non-polar capacitor according to a first embodiment of the present invention includes a non-polar capacitor film 10 and two connecting pillars 20 connected to the non-polar capacitor film 10; the non-polar capacitor film 10 is wound in a cylindrical shape.
According to the electrodeless capacitor, the nonpolar capacitor film 10 is wound into a cylindrical shape, so that the electrodeless capacitor can be directly fixed on a power line, the occupied installation space is reduced, the lightweight design of a product is facilitated, and the competitiveness of the product is improved.
Example two
In an embodiment of the present invention, referring to fig. 2, the inner wall of the non-polar capacitor film 10 is provided with an insulating bush 30 to fix the inner side of the non-polar capacitor film 10, so that the non-polar capacitor film 10 has a fixed shape and has an insulating effect. It will be appreciated that the shape and size of the insulating bush 30 may be set according to the shape and size of the high voltage power supply line in the implementation.
It can also be understood that, in the specific implementation process, the non-polar capacitor film 10 may be wound around the insulation liner 30, so that the non-polar capacitor film 10 forms a cylindrical structure, and the processing efficiency is improved.
Specifically, in this embodiment, the outer cylindrical wall of the non-polar capacitor film 10 is provided with an insulating protective sleeve 40, so as to fix the outer side of the non-polar capacitor film 10 and achieve the insulating effect.
EXAMPLE III
In an embodiment of the present invention, please refer to fig. 2, the front and rear ends of the electrodeless capacitor are respectively provided with an insulating cover plate (not shown) to seal the front and rear ends of the tubular non-polar capacitor thin film 10, and it should be noted that in the specific implementation process, one of the insulating cover plates is provided with a avoiding hole to fix the connecting column 20.
Example four
In an embodiment of the present invention, referring to fig. 1, the free ends of the two connecting posts 20 are provided with connecting rings 50, so that the electrodeless capacitor is connected to the strong current power line.
EXAMPLE five
In an embodiment of the present invention, referring to fig. 1, the surfaces of the two connecting posts 40 are covered with an insulating skin 60 to protect the connecting posts 40.
EXAMPLE six
In one embodiment of the present invention, the connection ring 50 includes a circular ring portion 51 and a butting portion 52 connected to the circular ring portion 51; the butting parts 52 are connected with the corresponding connection posts 20 to realize the connection of the connection ring 50 with the connection posts 20.
EXAMPLE seven
In an embodiment of the present invention, the connection holes are formed at the positions of the abutting portions 52 corresponding to the connection posts 20. The connected mode of spliced pole 20 and connecting hole is threaded connection to dismouting connecting ring 50, can understand the utility model discloses an in other embodiments, the connected mode of spliced pole 20 and connecting hole can be for the connected mode of dismouting of being convenient for such as buckle connection.
Example eight
Referring to fig. 3, an embodiment of the present invention further provides a power cord, which includes a power cord body 100, a plug 101, and an electrodeless capacitor as described in any of the above, wherein the power cord body 100 passes through the nonpolar capacitor film 10, and meanwhile, two connecting posts 20 of the electrodeless capacitor are respectively connected with a zero line and a live line of the power cord body 10, so that the electrodeless capacitor can be matched with the PCBA to perform a filtering function; therefore, corresponding capacitors do not need to be arranged on the PCBA, the same filtering effect can be achieved, the space of the PCBA is saved, and the cost of the PCBA is saved.
Meanwhile, the non-polar capacitor film 10 is wound into a cylindrical shape, and the power line body 100 penetrates through the non-polar capacitor film 10, so that the effect of fixing the non-polar capacitor film 10 can be achieved, the non-polar capacitor film 10 and the two connecting columns 20 are prevented from being displaced, the polar capacitor film 10 and the two connecting columns 20 are prevented from being broken, and the service life of a product is prolonged.
It should be noted that the strong current is an electric power part in the field of electrical engineering, and is characterized by large power, large current and low frequency, in the field of power utilization, some high-power electrical appliances need to be driven by the strong current, and in order to avoid current impact on the electrical appliances under the condition that a power supply is turned on or turned off, an electrodeless capacitor is generally required to be arranged to play the roles of voltage stabilization and filtering, and it can be understood that the electrodeless capacitor is also often used in other complete machine devices and PCBA.
Example nine
The embodiment of the utility model provides an electrical apparatus is still provided, include the power cord as above to and the PCBA who is connected with the power cord electricity, wherein, power cord body 100 in the power cord passes nonpolarity electric capacity film 10, and power cord body 100 is connected with PCBA through two spliced poles 20, and the effect through the filtering of the nonpolarity electric capacity on power cord body 100 realizes the safety switch electrical apparatus, has improved the security performance of product, and then has improved the competitiveness of product.
Example ten
In one embodiment of the present invention, referring to fig. 3, a magnetic ring 200 may be further disposed on the power line, so as to increase the electromagnetic interference elimination capability of the electrical appliance.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An electrodeless capacitor, comprising:
a non-polar capacitor film, and
two connecting posts connected with the non-polar capacitor film;
the non-polar capacitor film is wound into a cylindrical shape.
2. The electrodeless capacitor as defined in claim 1, wherein the inner wall of the non-polar capacitor film is provided with an insulating bushing, and the outer wall of the non-polar capacitor film is provided with an insulating protective sleeve.
3. The electrodeless capacitor as claimed in claim 1, wherein the front and rear ends of the electrodeless capacitor are provided with insulating cover plates.
4. The electrodeless capacitor as defined in claim 1 wherein the free ends of both of said connecting studs are provided with a connecting ring.
5. The electrodeless capacitor as defined in claim 1 wherein the surfaces of both of said connecting posts are covered with an insulating skin.
6. The electrodeless capacitor as defined in claim 4 wherein the coupling ring comprises:
a circular ring portion, and
a butt joint part connected with the circular ring part;
the butt joint parts are connected with the corresponding connecting columns.
7. The electrodeless capacitor as claimed in claim 6, wherein a connecting hole is formed at a position of the butt joint part corresponding to the connecting column.
8. The electrodeless capacitor as claimed in claim 7, wherein the connection manner of the connection post and the connection hole is a threaded connection or a snap connection.
9. A power cord, comprising a power cord body and a plug, and further comprising a non-polar capacitor as claimed in any one of claims 1 to 8, wherein the power cord body passes through the non-polar capacitor film, and the two connecting posts are respectively connected with a zero line and a live line of the power cord body.
10. An electrical appliance comprising the power cord of claim 9, and a PCBA electrically connected to the power cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181700.9U CN213400884U (en) | 2020-09-29 | 2020-09-29 | Electrodeless capacitor, power line and electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022181700.9U CN213400884U (en) | 2020-09-29 | 2020-09-29 | Electrodeless capacitor, power line and electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213400884U true CN213400884U (en) | 2021-06-08 |
Family
ID=76185181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022181700.9U Active CN213400884U (en) | 2020-09-29 | 2020-09-29 | Electrodeless capacitor, power line and electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213400884U (en) |
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2020
- 2020-09-29 CN CN202022181700.9U patent/CN213400884U/en active Active
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