CN220933917U - High-voltage power capacitor capable of reducing noise - Google Patents
High-voltage power capacitor capable of reducing noise Download PDFInfo
- Publication number
- CN220933917U CN220933917U CN202322688585.8U CN202322688585U CN220933917U CN 220933917 U CN220933917 U CN 220933917U CN 202322688585 U CN202322688585 U CN 202322688585U CN 220933917 U CN220933917 U CN 220933917U
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- China
- Prior art keywords
- cover body
- guide
- cylinder
- fixedly connected
- voltage power
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- 239000003990 capacitor Substances 0.000 title claims abstract description 47
- 238000013016 damping Methods 0.000 claims abstract description 20
- 239000004519 grease Substances 0.000 claims abstract description 12
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 abstract description 15
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 239000000919 ceramic Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model relates to the technical field of capacitors, in particular to a noise-reducing high-voltage power capacitor, which comprises a mounting base, wherein a guide cylinder is fixedly connected to the inner wall of the mounting base, a guide column is connected to the inside of the guide cylinder, a damping spring is sleeved outside the guide cylinder and the guide column, a bottom plate is fixedly connected to the top of the guide column, a cover body is fixedly connected to the upper surface of the bottom plate, a cover body is connected to the top of the cover body, a capacitor main body is arranged in the cover body, and heat-conducting silicone grease is filled between the capacitor main body and the cover body. According to the utility model, through the arrangement of the external cover body and the cooperation of the guide rail silicone grease, the high-efficiency heat dissipation of the capacitor main body is realized, meanwhile, the good noise reduction effect is achieved, the noise is reduced, the mounting base is buffered by the spring, the mechanical vibration is reduced, the noise reduction effect is further achieved, and meanwhile, the double-layer shell has the good protection effect.
Description
Technical Field
The utility model relates to the technical field of capacitors, in particular to a noise-reducing high-voltage power capacitor.
Background
The high-voltage capacitor mainly comprises an outgoing ceramic sleeve, a capacitor element group, a shell and the like. The shell is formed by sealing and welding thin steel plates, the outgoing ceramic sleeve is welded on the shell, the wiring terminal is led out of the outgoing ceramic sleeve, and the capacitor element group in the shell is formed by connecting a plurality of capacitor elements.
Because the demand of the electricity consumption increases, the single capacity of the capacitor also increases continuously, and the reason that higher harmonic current in the electric wire netting is superimposed, the radiation noise of the power capacitor also increases, bring a lot of inconveniences to engineering sites and surrounding residents, the noise of the power capacitor is because the capacitor is subjected to the action of alternating electric field force and produces vibration under the action of alternating electric field force, the pole plate of the capacitor is transmitted to the shell through the structure connected with the capacitor, the vibration of the shell of the capacitor is caused, the noise is produced and radiated to the surrounding, the existing capacitor is mostly directly installed at the outside of the power capacitor main body, but the noise reduction effect is not ideal, the installation of the noise reduction cover influences the surface heat dissipation performance of the power capacitor, and the service life of the power capacitor is indirectly reduced.
Disclosure of utility model
The utility model aims to provide a noise-reducing high-voltage power capacitor, which aims to solve the problems that in the background art, a sound-insulating cover is directly arranged outside a power capacitor main body, but the noise-reducing effect is not ideal, and the installation of the sound-insulating cover influences the surface heat dissipation performance of a power motor and indirectly reduces the service life of the power motor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a noise reducing high voltage power capacitor comprising:
The installation base, the inner wall fixedly connected with guide cylinder of installation base, the internally connected of guide cylinder has the guide post, vibration damping spring has been cup jointed with the outside of guide post to the guide cylinder, the top fixedly connected with bottom plate of guide post, the last fixed surface of bottom plate is connected with the cover body, the top of cover body is connected with the lid, the inside of cover body is provided with the condenser main part, it has heat conduction silicone grease to fill between condenser main part and the cover body.
Preferably, the outer wall fixedly connected with first journal stirrup of installation base, the internal diameter of installation base equals the external diameter of the cover body, installation base sliding connection is at the outer wall of the cover body.
Preferably, the guide cylinder comprises a positioning plate and a cylinder, the guide column comprises a positioning plate and a cylinder, the cylinder is connected with the cylinder of the mounting base in a vertical sliding manner, and the cylinder is sleeved with a damping spring outside the cylinder, and the diameter of the damping spring is smaller than that of the positioning plate.
Preferably, the positioning plate of the guide cylinder is fixedly connected to the inner wall of the mounting base through bolts, and the guide column positioning plate is fixedly connected to the lower surface of the guide column through bolts.
Preferably, the guide cylinder, the guide column and the damping spring are provided with four groups in total, and the four groups of guide cylinders, the guide column and the damping spring are respectively positioned at four corners of the bottom plate.
Preferably, the outer wall fixedly connected with radiating fin and second journal stirrup of the cover body, radiating fin and second journal stirrup all are provided with two, two second journal stirrup fixed connection is at the long limit face of the cover body, two radiating fin fixed connection is at the minor face of the cover body.
Preferably, the two ends of the cover body are fixedly connected with third lugs, the size of the cover body is equal to the outer diameter of the cover body, and the third lugs and the second lugs are mutually matched.
Compared with the prior art, the utility model has the beneficial effects that: the external cover body is arranged, the high-efficiency heat dissipation of the capacitor main body is realized by matching with the guide rail silicone grease, meanwhile, a good noise reduction effect is achieved, the noise is reduced, the mounting base is buffered by the spring, the mechanical vibration is reduced, and the noise reduction effect is further achieved.
(1) According to the utility model, the noise reduction treatment can be effectively realized through the shockproof performance of the heat-conducting silicone grease matched with the external cover body, meanwhile, the efficient heat dissipation of the capacitor main body is realized through the efficient heat absorption of the heat-conducting silicone grease, the excessive temperature rise of the capacitor main body caused by the addition of the cover body is avoided, and meanwhile, the heat dissipation effect of the heat dissipation fins outside the cover body is further improved through the distribution of the heat dissipation fins outside the cover body.
(2) According to the utility model, through the mutual matching of the mounting base and the spring, the buffer of mechanical vibration can be realized, so that the mechanical vibration is reduced, the noise generated by the vibration of the capacitor main body is effectively reduced, and the noise reduction effect is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 4 is a schematic cross-sectional view of the present utility model;
Fig. 5 is an enlarged schematic view of the structure of B in fig. 4 according to the present utility model.
In the figure: 1. a mounting base; 11. a first support lug; 2. a guide cylinder; 3. a guide post; 4. a damping spring; 5. a bottom plate; 6. a cover body; 61. a heat radiation fin; 62. a second support lug; 7. a cover body; 71. a third support lug; 8. heat conductive silicone grease; 9. a capacitor body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided: a noise reducing high voltage power capacitor comprising: the heat conductive silicone grease 8 and the capacitor body 9 used in the present utility model are both commercially available products, and the principle and connection method thereof are all well known to those skilled in the art, so that they will not be described in detail herein,
The installation base 1, the inner wall fixedly connected with guide cylinder 2 of installation base 1, the internally connected of guide cylinder 2 has guide post 3, vibration damping spring 4 has been cup jointed with the outside of guide post 3 to guide cylinder 2, the top fixedly connected with bottom plate 5 of guide post 3, the last fixed surface of bottom plate 5 is connected with the cover body 6, the top of cover body 6 is connected with lid 7, the inside of cover body 6 is provided with condenser main part 9, it has heat conduction silicone grease 8 to fill between condenser main part 9 and the cover body 6, through the setting of this structure, can be through the parcel to condenser main part 9, realize making an uproar handle falls, simultaneously through the setting of heat conduction silicone grease 8, realize good radiating effect, cover body 6 and second journal stirrup 62 adopt the metal material that the heat dispersion is good, wherein use with copper material is the main part, good heat conduction performance has.
Further, the outer wall fixedly connected with first journal stirrup 11 of installation base 1, the internal diameter of installation base 1 equals the external diameter of the cover body 6, and installation base 1 sliding connection is at the outer wall of the cover body 6, through its sliding connection's setting, can satisfy damping spring 4's buffering to play good cushioning effect to condenser main part 9.
Further, guide cylinder 2 includes locating plate and drum two parts, guide post 3 includes locating plate and cylinder two parts, and the cylinder is upper and lower sliding connection with installation base 1 drum, and the outside of cylinder and cylinder has cup jointed damping spring 4, damping spring 4's diameter is less than the diameter of locating plate, the locating plate of guide cylinder 2 passes through bolt fixed connection at the inner wall of installation base 1, guide post 3 locating plate passes through bolt fixed connection at the lower surface of guide post 3, guide cylinder 2 and guide post 3 slide from top to bottom adopts damping formula slip, further play the effect of buffering.
Further, the guide cylinder 2, the guide column 3 and the damping spring 4 are provided with four groups, and the four groups of guide cylinders 2, the guide column 3 and the damping spring 4 are respectively positioned at four corners of the bottom plate 5, and the damping spring 4 is a common elastic element and is widely applied to various vibrating equipment.
Further, outer wall fixedly connected with fin 61 and second journal stirrup 62 of the cover body 6, fin 61 and second journal stirrup 62 all are provided with two, and two second journal stirrup 62 fixed connection are at the long limit face of the cover body 6, and two fin 61 fixed connection are at the minor face of the cover body 6, through fin 61's distribution, further improve the radiating effect of the cover body 6 to the effectual heat to heat conduction silicone grease 8 suction carries out the radiating treatment, thereby when making the device play good noise reduction, play good radiating effect.
Further, both ends of the cover body 7 are fixedly connected with third lugs 71, the size of the cover body 7 is equal to the outer diameter of the cover body 6, the third lugs 71 and the second lugs 62 are mutually matched, the fastening of the third lugs 71 and the second lugs 62 is completed through bolts, and the closing of the cover body 7 and the cover body 6 is completed.
Working principle: when the capacitor body 9 is used, the capacitor body 9 is firstly placed above the bottom plate 5, the cover body 7 is sleeved on the top of the capacitor body 9, the third support lugs 71 and the second support lugs 62 are further fastened through bolts, so that the auxiliary limit of the capacitor body 9 is finished, and the first support lugs 11 are used for installing and positioning the device, so that the capacitor body 9 has good noise reduction effect when in use and the heat dissipation performance is improved through the mutual matching of parts of the capacitor body 9.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A noise-reducing high voltage power capacitor, comprising:
install base (1), the inner wall fixedly connected with guide cylinder (2) of installation base (1), the internally connected of guide cylinder (2) has guide post (3), vibration damping spring (4) have been cup jointed with the outside of guide cylinder (2) and guide post (3), the top fixedly connected with bottom plate (5) of guide post (3), the upper surface fixedly connected with cover body (6) of bottom plate (5), the top of cover body (6) is connected with lid (7), the inside of cover body (6) is provided with condenser main part (9), it has heat conduction silicone grease (8) to fill between condenser main part (9) and the cover body (6).
2. A noise reducing high voltage power capacitor according to claim 1, wherein: the outer wall fixedly connected with first journal stirrup (11) of installation base (1), the internal diameter of installation base (1) equals the external diameter of cover body (6), installation base (1) sliding connection is at the outer wall of cover body (6).
3. A noise reducing high voltage power capacitor according to claim 1, wherein: the guide cylinder (2) comprises a positioning plate and a cylinder, the guide column (3) comprises a positioning plate and a cylinder, the cylinder is connected with the cylinder of the mounting base (1) in a vertical sliding mode, the cylinder is sleeved with a damping spring (4) outside the cylinder, and the diameter of the damping spring (4) is smaller than that of the positioning plate.
4. A noise reducing high voltage power capacitor according to claim 3, wherein: the positioning plate of the guide cylinder (2) is fixedly connected to the inner wall of the installation base (1) through bolts, and the positioning plate of the guide column (3) is fixedly connected to the lower surface of the guide column (3) through bolts.
5. A noise reducing high voltage power capacitor according to claim 1, wherein: four groups of guide cylinders (2), guide columns (3) and damping springs (4) are arranged in total, and the four groups of guide cylinders (2), the guide columns (3) and the damping springs (4) are respectively positioned at four corners of the bottom plate (5).
6. A noise reducing high voltage power capacitor according to claim 1, wherein: the outer wall fixedly connected with radiating fins (61) and second journal stirrup (62) of cover body (6), radiating fins (61) and second journal stirrup (62) all are provided with two, two second journal stirrup (62) fixed connection is in the long limit face of cover body (6), two radiating fins (61) fixed connection is in the minor face of cover body (6).
7. A noise reducing high voltage power capacitor according to claim 1, wherein: the two ends of the cover body (7) are fixedly connected with third lugs (71), the size of the cover body (7) is equal to the outer diameter of the cover body (6), and the third lugs (71) and the second lugs (62) are mutually matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688585.8U CN220933917U (en) | 2023-10-08 | 2023-10-08 | High-voltage power capacitor capable of reducing noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688585.8U CN220933917U (en) | 2023-10-08 | 2023-10-08 | High-voltage power capacitor capable of reducing noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220933917U true CN220933917U (en) | 2024-05-10 |
Family
ID=90968428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322688585.8U Active CN220933917U (en) | 2023-10-08 | 2023-10-08 | High-voltage power capacitor capable of reducing noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220933917U (en) |
-
2023
- 2023-10-08 CN CN202322688585.8U patent/CN220933917U/en active Active
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