CN205069379U - Round capacitor fixing structure and frequency converter - Google Patents
Round capacitor fixing structure and frequency converter Download PDFInfo
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- CN205069379U CN205069379U CN201520859074.0U CN201520859074U CN205069379U CN 205069379 U CN205069379 U CN 205069379U CN 201520859074 U CN201520859074 U CN 201520859074U CN 205069379 U CN205069379 U CN 205069379U
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- panel beating
- electric capacity
- circular capacitor
- beating support
- insulation clip
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Abstract
The utility model provides a round capacitor fixing structure and frequency converter, the fixed structure includes panel beating support and insulating clamp, the negative pole aluminum hull of circular electric capacity has annular protruding muscle, wherein: the surface that has screw and this panel beating support on the panel beating support has the insulating layer, have fixed orifices and electric capacity mounting hole on the insulating clamp, just the periphery of electric capacity mounting hole is upwards extended and is formed the garter spring, and the diameter of this garter spring is greater than the diameter of circular electric capacity, insulating clamp is waled the protruding muscle of circular electric capacity and is pressed on panel beating support surface with the bottom with circular electric capacity through the garter spring to through fix with screw to the panel beating support that passes the screw of fixed orifices threaded connection to the panel beating support. The utility model discloses a protruding muscle that insulating clamp was waled on the circular electric capacity fixes circular electric capacity on the surface of panel beating support, can realize that the stability of circular electric capacity is fixed.
Description
Technical field
The utility model relates to electric capacity installing area, more particularly, relates to a kind of circular capacitor heat-radiation fixed structure and frequency converter.
Background technology
Along with the progress of science and technology, motor frequency conversion control technology has been widely used in the fields such as machinery, metallurgy, light textile and household electrical appliance.In the inflammable and explosive environment such as mine, petrochemical industry, widely use the large-size machine of high-power high-voltage, the relatively common frequency converter of frequency converter that these occasions use is harsher.These explosion-proof frequency converters, due to the uniqueness of industry and application, require that relatively common frequency converter is harsher.Especially to the structural design of complete machine, installability, cost require higher.
In the most explosion-proof frequency converters occurred in the market, the fixed form that electric capacity mainly adopts anchor ear fastening.
As shown in Figure 1, when adopting anchor ear fastening means to fix circular capacitor, needing first to use anchor ear 11 by fastening for electric capacity 10, then anchor ear 11 is fixed to respective holder 12.In this fixed form, mainly there is following problem: (1) can only limit the freedom of motion in a direction, need pcb board to coordinate and just can be completely fixed; (2) because anchor ear and trip bolt all need to take certain space, therefore have a definite limitation to the gap between adjacent capacitor, electric capacity can not closely be arranged, the type for spaces compact often can not meeting spatial requirement; (3) helpless for needing the application scenarios of natural heat dissipation.
Utility model content
The technical problems to be solved in the utility model is, only can limit the problem of a direction degree of freedom for above-mentioned circular capacitor, provides a kind of new circular capacitor fixed structure and frequency converter.
The technical scheme that the utility model solves the problems of the technologies described above is, a kind of circular capacitor fixed structure is provided, comprise panel beating support and insulation clip, the negative pole aluminum hull of described circular capacitor has the convex tendon of annular, wherein: described panel beating support has screw and the surface of this panel beating support has insulating barrier; Described insulation clip has fixing hole and electric capacity installing hole, and the periphery of described electric capacity installing hole upwards extends to form garter spring, the diameter of this garter spring is greater than the diameter of circular capacitor; Described insulation clip wales the convex tendon of circular capacitor so that the bottom of circular capacitor is pressed in panel beating rack surface by garter spring, and is fixed to panel beating support by the screw of the screw be threaded onto on panel beating support through fixing hole.
In circular capacitor fixed structure described in the utility model, the insulating barrier of described panel beating rack surface is made up of heat-conducting insulated film, and the conductive coefficient of this heat-conducting insulated film is greater than the conductive coefficient of circular capacitor itself.
In circular capacitor fixed structure described in the utility model, the screw on described panel beating support is made up of Self-Clinching Standoffs, and this Self-Clinching Standoffs protrudes from insulating barrier and protrudes from the height of height lower than the base plane of the fixing hole of insulation clip of insulating barrier; The top of described garter spring is formed holds pawl.
In circular capacitor fixed structure described in the utility model, described insulation clip is rectangle and this insulation clip has multiple electric capacity installing hole be arranged in a linear, and the surrounding of each electric capacity installing hole has one group of fixing hole.
In circular capacitor fixed structure described in the utility model, described insulation clip is triangle, and each insulation clip has the fixing hole that an electric capacity installing hole and three lay respectively at vertex of a triangle.
The utility model also provides a kind of frequency converter, and comprise panel beating support, insulation clip and multiple circular capacitor, the negative pole aluminum hull of described circular capacitor has the convex tendon of annular, wherein: described panel beating support has screw and the surface of this panel beating support has insulating barrier; Described insulation clip has fixing hole and electric capacity installing hole, and the periphery of described electric capacity installing hole upwards extends to form garter spring, the diameter of this garter spring is greater than the diameter of circular capacitor; Described insulation clip wales the convex tendon of circular capacitor so that the bottom of circular capacitor is pressed in panel beating rack surface by garter spring, and is fixed to panel beating support by the screw of the screw be threaded onto on panel beating support through fixing hole.
In frequency converter described in the utility model, the insulating barrier of described panel beating rack surface is made up of heat-conducting insulated film, and the conductive coefficient of this heat-conducting insulated film is greater than the conductive coefficient of circular capacitor itself.
In frequency converter described in the utility model, the screw on described panel beating support is made up of Self-Clinching Standoffs, and this Self-Clinching Standoffs protrudes from insulating barrier and protrudes from the height of height lower than the base plane of the fixing hole of insulation clip of insulating barrier; The top of described garter spring is formed holds pawl.
In frequency converter described in the utility model, described insulation clip is rectangle and this insulation clip has multiple electric capacity installing hole be arranged in a linear, and the surrounding of each electric capacity installing hole has one group of fixing hole.
In frequency converter described in the utility model, described insulation clip is triangle, and each insulation clip has the fixing hole that an electric capacity installing hole and three lay respectively at vertex of a triangle.
Circular capacitor fixed structure of the present utility model and frequency converter have following beneficial effect: wale by insulation clip the surface that circular capacitor to be fixed on panel beating support by convex tendon on circular capacitor, can realize the stable fixing of circular capacitor.Further, by increasing heat-conducting insulated film at panel beating rack surface, the heat of circular capacitor can be made to pass to panel beating support fast, and by panel beating support quick heat radiating.
Accompanying drawing explanation
Fig. 1 is the fixed structure schematic diagram of existing circular capacitor.
Fig. 2 is the schematic diagram of circular capacitor fixed structure embodiment in the utility model.
Fig. 3 is the profile along A-A line in Fig. 2.
Fig. 4 is the schematic diagram of circular capacitor in Fig. 2.
Fig. 5 is the schematic diagram of clip of insulating in Fig. 2.
Fig. 6 is the schematic diagram of another embodiment of circular capacitor fixed structure in the utility model.
Fig. 7 is the schematic diagram of clip of insulating in Fig. 6.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 2-5, be the schematic diagram of the utility model circular capacitor fixed structure embodiment, its circular capacitor that can be applicable in the equipment such as frequency converter is fixed.Circular capacitor fixed structure in the present embodiment comprises panel beating support 40 and insulation clip 30, the border, bottom of circular capacitor 20 is removed insulating sleeve crust 21 and born the punching of level aluminum hull 22 bottom at exposed electric capacity a circle convex tendon, and namely the negative pole aluminum hull 22 of circular capacitor 20 bottom has the convex tendon 23 of annular.Panel beating support 40 has screw and the surface of this panel beating support 40 has insulating barrier; Insulation clip 30 has fixing hole 32 and electric capacity installing hole 31, and the periphery of electric capacity installing hole 31 upwards extends to form garter spring, the diameter of this garter spring is greater than the diameter of circular capacitor 20.Insulation clip 30 wales the convex tendon 23 of circular capacitor 20 the bottom of circular capacitor 20 to be pressed in panel beating support 40 surface by garter spring, and is fixed to panel beating support 40 by the screw of the screw be threaded onto on panel beating support 40 through fixing hole 32.Insulated by the insulating barrier on panel beating support 40 surface in the bottom of multiple circular capacitor 20.
Above-mentioned circular capacitor fixed structure wales the convex tendon 23 on circular capacitor 20 by insulation clip 30, circular capacitor 20 is fixed on the surface of panel beating support 40.Above-mentioned insulation clip 30 can limit the degree of freedom of circular capacitor 20 all directions, can realize the stable fixing of circular capacitor 20 without the need to relying on other parts.
For improving the fixing stability of circular capacitor 20 further, the screw on panel beating support 40 can be made up of Self-Clinching Standoffs, and this Self-Clinching Standoffs protrudes from insulating barrier and protrudes from the height of height lower than the base plane of the fixing hole 32 of insulation clip 30 of insulating barrier.
Especially, the insulating barrier on panel beating support 40 surface can be made up of heat-conducting insulated film, and the conductive coefficient of this heat-conducting insulated film is greater than the conductive coefficient of circular capacitor 20 itself, and thermal conduction resistance is low.The bottom of the negative level aluminum hull 22 of exposed circular capacitor 20 contacts with heat conductive insulating film compacting, thus is conducted heat on panel beating support 40 by heat-conducting insulated film and realize natural heat dissipation.Heat-conducting insulated film specifically can adopt soft silica gel cloth material, and thermal conductive contact area is large, so can realize good heat radiating demand.
Above-mentioned insulation clip 30 can be made up of insulating material such as plastics, also can be made of metal and increase insulating barrier on surface.Further, the top of the garter spring of insulation clip 30 is formed to have flexiblely holds pawl (such as can increase multiple opening on the top of garter spring), thus is embraced by circular capacitor 20.
Particularly, clip 30 entirety that insulate can be rectangle and this insulation clip 30 have multiple electric capacity installing hole 31 be arranged in a linear.When the diameter of circular capacitor is 9cm, the pitch-row (distance between the center of circle of namely adjacent electric capacity installing hole 31) of the electric capacity installing hole 31 on insulation clip 30 is less than 9.5cm.The periphery of each electric capacity installing hole 31 upwards extends to form garter spring, and the surrounding of each electric capacity installing hole 31 has one group of fixing hole 32.By the insulation clip 30 of above-mentioned rectangle, greatly can improve the packing density of circular capacitor 20, can be applicable to the fixing of the relatively little circular capacitor of power 20.
As shown in fig. 6-7, in another embodiment of circular capacitor fixed structure of the present utility model, insulation clip 50 adopts triangular structure, and each insulation clip 50 has the fixing hole 52 that an electric capacity installing hole 51 and three lay respectively at vertex of a triangle.Above-mentioned electric capacity installing hole 51 also has the garter spring upwards extended to form, and the top of garter spring also can have and holds pawl.This insulation clip 50 can be applicable to the fixing of the larger circular capacitor of power 20, the occasion that namely packing density of circular capacitor 20 is not high.
Above-mentioned circular capacitor fixed structure can be applied directly to frequency converter.Now, this frequency converter comprises panel beating support, insulation clip and multiple circular capacitor, and the negative pole aluminum hull of circular capacitor has the convex tendon of annular, wherein: panel beating support has screw and the surface of this panel beating support has insulating barrier; Insulation clip has fixing hole and electric capacity installing hole, and the periphery of electric capacity installing hole upwards extends to form garter spring, the diameter of this garter spring is greater than the diameter of circular capacitor; Insulation clip wales the convex tendon of circular capacitor so that the bottom of circular capacitor is pressed in panel beating rack surface by garter spring, and is fixed to panel beating support by the screw of the screw be threaded onto on panel beating support through fixing hole.
The insulating barrier of above-mentioned panel beating rack surface is made up of heat-conducting insulated film, and the conductive coefficient of this heat-conducting insulated film is greater than the conductive coefficient of circular capacitor itself.
For improving the fixing stability of circular capacitor further, the screw on panel beating support is made up of Self-Clinching Standoffs, and this Self-Clinching Standoffs protrudes from insulating barrier and protrudes from the height of height lower than the base plane of the fixing hole of insulation clip of insulating barrier.And the top of the garter spring of the clip that insulate can have and holds pawl.
When the packing density of circular capacitor is higher, insulation clip can adopt rectangular configuration and this insulation clip have multiple electric capacity installing hole be arranged in a linear, and the surrounding of each electric capacity installing hole has one group of fixing hole.
When the packing density of circular capacitor is not high, insulation clip can adopt triangular structure, and each insulation clip has the fixing hole that an electric capacity installing hole and three lay respectively at vertex of a triangle.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (10)
1. a circular capacitor fixed structure, is characterized in that: comprise panel beating support and insulation clip, the negative pole aluminum hull of described circular capacitor has the convex tendon of annular, wherein: described panel beating support has screw and the surface of this panel beating support has insulating barrier; Described insulation clip has fixing hole and electric capacity installing hole, and the periphery of described electric capacity installing hole upwards extends to form garter spring, the diameter of this garter spring is greater than the diameter of circular capacitor; Described insulation clip wales the convex tendon of circular capacitor so that the bottom of circular capacitor is pressed in panel beating rack surface by garter spring, and is fixed to panel beating support by the screw of the screw be threaded onto on panel beating support through fixing hole.
2. circular capacitor fixed structure according to claim 1, is characterized in that: the insulating barrier of described panel beating rack surface is made up of heat-conducting insulated film, and the conductive coefficient of this heat-conducting insulated film is greater than the conductive coefficient of circular capacitor itself.
3. circular capacitor fixed structure according to claim 1, it is characterized in that: the screw on described panel beating support is made up of Self-Clinching Standoffs, this Self-Clinching Standoffs protrudes from insulating barrier and protrudes from the height of height lower than the base plane of the fixing hole of insulation clip of insulating barrier; The top of described garter spring is formed holds pawl.
4. circular capacitor fixed structure according to claim 1, is characterized in that: described insulation clip is rectangle and this insulation clip has multiple electric capacity installing hole be arranged in a linear, and the surrounding of each electric capacity installing hole has one group of fixing hole.
5. circular capacitor fixed structure according to claim 1, is characterized in that: described insulation clip is triangle, and each insulation clip has the fixing hole that an electric capacity installing hole and three lay respectively at vertex of a triangle.
6. a frequency converter, is characterized in that: comprise panel beating support, insulation clip and multiple circular capacitor, the negative pole aluminum hull of described circular capacitor has the convex tendon of annular, wherein: described panel beating support has screw and the surface of this panel beating support has insulating barrier; Described insulation clip has fixing hole and electric capacity installing hole, and the periphery of described electric capacity installing hole upwards extends to form garter spring, the diameter of this garter spring is greater than the diameter of circular capacitor; Described insulation clip wales the convex tendon of circular capacitor so that the bottom of circular capacitor is pressed in panel beating rack surface by garter spring, and is fixed to panel beating support by the screw of the screw be threaded onto on panel beating support through fixing hole.
7. frequency converter according to claim 6, is characterized in that: the insulating barrier of described panel beating rack surface is made up of heat-conducting insulated film, and the conductive coefficient of this heat-conducting insulated film is greater than the conductive coefficient of circular capacitor itself.
8. frequency converter according to claim 6, is characterized in that: the screw on described panel beating support is made up of Self-Clinching Standoffs, and this Self-Clinching Standoffs protrudes from insulating barrier and protrudes from the height of height lower than the base plane of the fixing hole of insulation clip of insulating barrier; The top of described garter spring is formed holds pawl.
9. frequency converter according to claim 6, is characterized in that: described insulation clip is rectangle and this insulation clip has multiple electric capacity installing hole be arranged in a linear, and the surrounding of each electric capacity installing hole has one group of fixing hole.
10. frequency converter according to claim 6, is characterized in that: described insulation clip is triangle, and each insulation clip has the fixing hole that an electric capacity installing hole and three lay respectively at vertex of a triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859074.0U CN205069379U (en) | 2015-10-30 | 2015-10-30 | Round capacitor fixing structure and frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859074.0U CN205069379U (en) | 2015-10-30 | 2015-10-30 | Round capacitor fixing structure and frequency converter |
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| Publication Number | Publication Date |
|---|---|
| CN205069379U true CN205069379U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520859074.0U Active CN205069379U (en) | 2015-10-30 | 2015-10-30 | Round capacitor fixing structure and frequency converter |
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| CN (1) | CN205069379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768229A (en) * | 2020-12-29 | 2021-05-07 | 南京华士电子科技有限公司 | Semi-suspended capacitor fixing structure and method capable of being combined vertically, horizontally and horizontally |
-
2015
- 2015-10-30 CN CN201520859074.0U patent/CN205069379U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768229A (en) * | 2020-12-29 | 2021-05-07 | 南京华士电子科技有限公司 | Semi-suspended capacitor fixing structure and method capable of being combined vertically, horizontally and horizontally |
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