CN216353795U - Novel low noise power capacitor - Google Patents
Novel low noise power capacitor Download PDFInfo
- Publication number
- CN216353795U CN216353795U CN202122757760.5U CN202122757760U CN216353795U CN 216353795 U CN216353795 U CN 216353795U CN 202122757760 U CN202122757760 U CN 202122757760U CN 216353795 U CN216353795 U CN 216353795U
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- Prior art keywords
- power capacitor
- novel low
- capacitor
- noise power
- fixedly connected
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- 239000003990 capacitor Substances 0.000 title claims abstract description 55
- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a novel low-noise power capacitor which comprises a protective shell, wherein a step-shaped sealing cover is lapped on the upper surface of the protective shell, a limiting dovetail sliding groove is formed in the inner side wall of the protective shell, a trapezoidal sliding block is connected to the inner wall of the limiting dovetail sliding groove in a sliding mode, a tightening plate is fixedly connected to the side face of the trapezoidal sliding block, a capacitor core is lapped on the upper surface of the tightening plate, sound absorption cavities are formed in the protective shell and the step-shaped sealing cover, and a sound insulation plate is fixedly connected to the inner side wall of each sound absorption cavity. This novel low noise power capacitor through setting up internal thread pipe and adjusting bolt, is convenient for make to support tight board and support tight capacitor core, reduces because of the capacitor core is because of the noise that vibrations produced at the during operation, inhales the sound hole through setting up, inhales sound chamber, acoustic celotex board and inhales the sound sponge, can absorb the noise that the capacitor core during operation produced, reduces the noise that spreads the protective housing surface to whole power capacitor has the good effect of making an uproar of falling.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a novel low-noise power capacitor.
Background
Power capacitors, capacitors for power systems and electrical equipment. Any two metal conductors are separated by an insulating medium, and thus a capacitor is formed. The capacitance of the capacitor is determined by its geometrical dimensions and the properties of the insulating medium between the two plates.
In the long-time working process of the power capacitor, the capacitor is widely used for filtering and reactive compensation, the problem of audible noise generated by the capacitor is more and more prominent, and the structure of the existing power capacitor for noise treatment is too complex, so that the power capacitor is difficult to overhaul and maintain, and the production cost is increased.
The utility model provides a novel low-noise power capacitor.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a novel low noise power capacitor, which solves the above problems of the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel low noise power capacitor, including protective housing, protective housing's upper surface overlap joint has the sealed lid of step form, protective housing's inside wall has seted up spacing forked tail spout, the inner wall sliding connection of spacing forked tail spout has trapezoidal slider, the side fixedly connected with of trapezoidal slider supports tight board, the upper surface overlap joint that supports tight board has the condenser core, the sound absorption chamber has all been seted up to protective housing's inside and the sealed inside of step form, the inside wall fixedly connected with acoustic celotex board in sound absorption chamber, and the inside packing in sound absorption chamber has the sound sponge of inhaling, a plurality of sound absorption hole has all been seted up to protective housing's inner wall and the sealed lower surface of step form, and a plurality of sound absorption hole all is the loudspeaker form.
Preferably, the lower surface of the step-shaped sealing cover and the upper surface of the abutting plate are respectively provided with a rubber damping insulating pad.
Preferably, the constant head tank has been seted up to the side of the sealed lid of step form, and the inner wall sliding connection of constant head tank has the locating lever, and the locating hole with locating lever looks adaptation is seted up to protective housing's inside wall.
Preferably, one end of the positioning rod is fixedly connected with a positioning spring, and the other end of the positioning spring is fixedly connected to the inner side wall of the positioning groove.
Preferably, the lower surface of the abutting plate is fixedly connected with an internal thread pipe, the inner wall thread of the internal thread pipe is provided with an adjusting bolt, and the lower surface of the protective shell is provided with a rotating hole which is rotatably connected with the adjusting bolt.
Preferably, the step-shaped sealing cover is fixedly connected with a lead terminal on the upper surface, and the lead terminal is electrically connected with the capacitor core.
Advantageous effects
The utility model provides a novel low-noise power capacitor, which has the following beneficial effects:
1. this novel low noise power capacitor through setting up internal thread pipe and adjusting bolt, is convenient for make to support tight board and support tight capacitor core, reduces because of the capacitor core is because of the noise that vibrations produced at the during operation, inhales the sound hole through setting up, inhales sound chamber, acoustic celotex board and inhales the sound sponge, can absorb the noise that the capacitor core during operation produced, reduces the noise that spreads the protective housing surface to whole power capacitor has the good effect of making an uproar of falling.
2. This novel low noise power capacitor through setting up locating lever, positioning spring and locating hole, the dismouting of the step form sealing cover of being convenient for this power capacitor has the effect of making things convenient for the dismouting, conveniently overhauls and maintains.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic perspective view of a tightening plate according to the present invention.
In the figure: the capacitor comprises a protective shell 1, a step-shaped sealing cover 2, a trapezoidal sliding block 3, a abutting plate 4, a capacitor core 5, a sound absorbing cavity 6, a sound insulating plate 7, a sound absorbing hole 8, a rubber damping insulating pad 9, a positioning rod 10, a positioning spring 11, an internal threaded pipe 12, an adjusting bolt 13 and a lead terminal 14.
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. 1-3, the present invention provides a technical solution: the utility model provides a novel low noise power capacitor, includes protective housing 1, protective housing 1's upper surface overlap joint has step-like sealed lid 2, and the constant head tank has been seted up to step-like sealed lid 2's side, and the inner wall sliding connection of constant head tank has locating lever 10, and protective housing 1's inside wall is seted up with the last fixed surface of the sealed lid 2 of locating lever step-like of locating lever 10 looks adaptation is connected with lead terminal 14, and lead terminal 14 and 5 electric connection of capacitor core.
Spacing forked tail spout has been seted up to protective housing 1's inside wall, spacing forked tail spout's inner wall sliding connection has trapezoidal slider 3, trapezoidal slider 3's side fixedly connected with supports tight board 4, the lower surface of step-like sealed lid 2 and the upper surface that supports tight board 4 all are provided with rubber shock attenuation insulating pad 9, the one end fixedly connected with positioning spring 11 of locating lever 10, positioning spring 11's other end fixed connection is at the inside wall of constant head tank, through setting up locating lever 10, positioning spring 11 and locating hole, the dismouting of the sealed lid 2 of step-like of being convenient for, make this power capacitor have the effect of making things convenient for the dismouting, conveniently overhaul and maintain.
The lower surface of the abutting plate 4 is fixedly connected with an internal thread pipe 12, the inner wall thread of the internal thread pipe 12 is provided with an adjusting bolt 13, the lower surface of the protective shell 1 is provided with a rotating hole rotationally connected with the adjusting bolt 13, the upper surface of the abutting plate 4 is lapped with a capacitor core 5, the inner part of the protective shell 1 and the inner part of the step-shaped sealing cover 2 are both provided with sound absorption cavities 6, the inner side wall of the sound absorption cavity 6 is fixedly connected with a sound insulation plate 7, the sound absorption cavity 6 is filled with sound absorption sponge, the inner wall of the protective shell 1 and the lower surface of the step-shaped sealing cover 2 are both provided with a plurality of sound absorption holes 8, and the plurality of sound absorption holes 8 are all horn-shaped, through the arrangement of the internal thread pipe 12 and the adjusting bolt 13, the abutting plate 4 is convenient to abut against the capacitor core 5, the noise generated by vibration when the capacitor core 5 works is reduced, through the arrangement of the sound absorption holes 8, the sound absorption cavities 6, the sound insulation plate 7 and the sound absorption sponge, the noise generated when the capacitor core 5 works can be absorbed, and the noise transmitted out of the outer surface of the protective shell 1 is reduced, so that the whole power capacitor has a good noise reduction effect.
The working principle is as follows: when this novel low noise power capacitor is used to needs, place capacitor core 5 at the upper surface of supporting tight board 4 earlier, recycle locating lever 10, positioning spring 11 fixes the sealed lid 2 of step form at protective housing 1's upper surface with the locating hole, then utilize internal thread pipe 12 and adjusting bolt 13 to make and support tight board 4 and support tight capacitor core 5, at the in-process of this power capacitor work, through inhaling sound hole 8, inhale sound chamber 6, acoustic celotex 7 absorbs the noise that capacitor core 5 during operation produced with inhaling the sound sponge, reduce the noise that spreads protective housing 1 surface, thereby whole power capacitor has the effect of making an uproar of well falling.
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 novel low noise power capacitor, includes protective housing (1), its characterized in that: the upper surface overlap joint of protecting sheathing (1) has the sealed lid of step form (2), spacing forked tail spout has been seted up to the inside wall of protecting sheathing (1), the inner wall sliding connection of spacing forked tail spout has trapezoidal slider (3), the side fixedly connected with of trapezoidal slider (3) supports tight board (4), the upper surface overlap joint that supports tight board (4) has capacitor core (5), the inside of protecting sheathing (1) and the inside of the sealed lid of step form (2) have all been seted up and have been inhaled sound chamber (6), the inside wall fixedly connected with acoustic celotex board (7) of inhaling sound chamber (6), and the inside packing of inhaling sound chamber (6) has the sound sponge of inhaling, a plurality of sound absorption hole (8) have all been seted up to the inner wall of protecting sheathing (1) and the lower surface of the sealed lid of step form (2), and a plurality of sound absorption hole (8) are all loudspeaker forms.
2. A novel low noise power capacitor as claimed in claim 1, wherein: the lower surface of the step-shaped sealing cover (2) and the upper surface of the abutting plate (4) are respectively provided with a rubber damping insulating pad (9).
3. A novel low noise power capacitor as claimed in claim 1, wherein: the side of the step-shaped sealing cover (2) is provided with a positioning groove, the inner wall of the positioning groove is connected with a positioning rod (10) in a sliding mode, and the inner side wall of the protective shell (1) is provided with a positioning hole matched with the positioning rod (10).
4. A novel low noise power capacitor as claimed in claim 3, wherein: one end of the positioning rod (10) is fixedly connected with a positioning spring (11), and the other end of the positioning spring (11) is fixedly connected to the inner side wall of the positioning groove.
5. A novel low noise power capacitor as claimed in claim 1, wherein: the lower surface of the abutting plate (4) is fixedly connected with an internal threaded pipe (12), the inner wall of the internal threaded pipe (12) is threaded with an adjusting bolt (13), and the lower surface of the protective shell (1) is provided with a rotating hole which is rotatably connected with the adjusting bolt (13).
6. A novel low noise power capacitor as claimed in claim 1, wherein: the upper surface of the step-shaped sealing cover (2) is fixedly connected with a lead terminal (14), and the lead terminal (14) is electrically connected with the capacitor core (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757760.5U CN216353795U (en) | 2021-11-11 | 2021-11-11 | Novel low noise power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122757760.5U CN216353795U (en) | 2021-11-11 | 2021-11-11 | Novel low noise power capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216353795U true CN216353795U (en) | 2022-04-19 |
Family
ID=81147867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122757760.5U Expired - Fee Related CN216353795U (en) | 2021-11-11 | 2021-11-11 | Novel low noise power capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216353795U (en) |
-
2021
- 2021-11-11 CN CN202122757760.5U patent/CN216353795U/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: 20220419 |