CN207676805U - A kind of capacitor of frequency converter fixed structure - Google Patents
A kind of capacitor of frequency converter fixed structure Download PDFInfo
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- CN207676805U CN207676805U CN201721922887.5U CN201721922887U CN207676805U CN 207676805 U CN207676805 U CN 207676805U CN 201721922887 U CN201721922887 U CN 201721922887U CN 207676805 U CN207676805 U CN 207676805U
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- fixed ring
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Abstract
The technical problem to be solved by the utility model is to provide a kind of capacitor fixed structures reasonable in design, capacitor fixation.A kind of capacitor of frequency converter fixed structure provided by the utility model, fixed ring is welded on substrate, the holding part for holding fixed ring tightly is arranged in fixed ring, circular fin is provided in fixed ring, it holds tightly and is provided with recess on part, notch is additionally provided in fixed ring, capacitor is plugged in fixed ring, fixed ring is held tightly using part is held tightly, the flexible deformation generated using fixed ring is fixed capacitor, the setting of notch allows fixed ring to be preferably bonded with capacitor, capacitor uniform force and fixation, capacitor is not easy to be worn compared with the existing technology, extend the service life of capacitor.The setting of circular fin and recess so that hold part tightly has correct position relative to fixed ring, so that holding part fixed ring uniform force, capacitor fixation when holding fixed ring tightly tightly.
Description
Technical field
The utility model is related to frequency changer more particularly to a kind of capacitor of frequency converter fixed structures, belong to frequency converter neck
Domain.
Background technology
At present using power electronic technique development converter power supply product have been widely used for electric power, military project, industry,
Commercially, the every field such as agricultural, only one, frequency converter is to spread all over all trades and professions.With constantly carrying for applied power electronics technology
High and development, increasingly embodies the advantage of the various aspects such as frequency converter energy-saving and environmental protection, and obtained being widely recognized as user.
Due to its wide market space and social demand, frequency converter is also rapidly towards the big direction of small, capacity
Develop, the core in frequency converter cabinet body structure is exactly power cell, and the fixation of capacitor, installation and wiring issue are to become
One of the major issue of frequency device power cell electrical structure.
It is generally electrolytic capacitor applied to the capacitor on frequency converter, traditional fixed form is fixed on using capacitor clamp
On babinet or cabinet.This fixed form installation or removal are inconvenient, and need larger installation space, are not suitable for power
Greatly, small frequency converter development trend；This fixed form is also easy to abrasion capacitor, and capacitor is caused to be easy to happen leakage
The danger such as electricity, short circuit, in order to make up this disadvantage, it is sometimes desirable to increase pad rubber and carry out abrasionproof processing, cause capacitor installation more
It is difficult.
Invention content
The technical problem to be solved by the utility model is to provide a kind of electricity reasonable in design, capacitor fixation
Container fixed structure.
Technical solution is used by the utility model solves above-mentioned technical problem：
A kind of capacitor of frequency converter fixed structure includes the substrate of capacitor and the fixed capacitor, on the substrate
The through-hole for making the capacitor pass through is offered, be welded with the fixed capacitor on the substrate and elastic shape can be generated
The fixed ring of change, the fixed ring are communicated with the through-hole, circular fin are provided on the outer wall of the fixed ring, described
The holding part for holding the fixed ring tightly is arranged in fixed ring, the holding part is held tightly the fixed ring by bolt, in institute
State offered in fixed ring it is at least one be conducive to the fixed ring and generate elastically-deformable notch, be provided on the holdings part and
The recess of the circular fin cooperation, is provided in the one end of the fixed ring far from the substrate and is led conducive to what capacitor assembled
To portion.
A kind of capacitor of frequency converter fixed structure provided by the utility model is welded with fixed ring on substrate, in fixed ring
It is arranged with the holding part for holding fixed ring tightly, circular fin is provided in fixed ring, holds tightly and is provided with recess on part, in fixed ring
On be additionally provided with notch, capacitor is plugged in fixed ring, using hold tightly part fixed ring is held tightly, utilize fixed ring generate bullet
Property deformation capacitor is fixed, the setting of notch allows fixed ring to be preferably bonded with capacitor, capacitor uniform force
And fixation, compared with the existing technology capacitor be not easy to be worn, extend the service life of capacitor.Circular fin and
The setting of recess so that hold part tightly has correct position relative to fixed ring, consolidates so that holding part tightly when holding fixed ring tightly
Determine ring uniform force, capacitor fixation.
Preferably, at least two fixed rings are evenly equipped on the substrate, also, the fixed ring and the through-hole one are a pair of
It answers, dowel is welded between two neighboring fixed ring, the dowel is welded on the substrate.
Dowel is welded on substrate, on the one hand improves the bonding strength of fixed ring and substrate, on the other hand, dowel
The effect for improving substrate strength is also acted as, the stability of fixed structure is improved.
Preferably, the resilient sleeve being interference fitted with the capacitor is provided in the fixed ring, the resilient sleeve is viscous
It is connected in the fixed ring, the decorative pattern for increasing the resilient sleeve friction coefficient is equipped in the resilient sleeve, the decorative pattern is recessed
In the resilient sleeve.
The setting of resilient sleeve so that capacitor is easy to assembly, and in wiring capacitance device, capacitor is interference fitted with resilient sleeve,
Capacitor can be positioned, be not required to again by hand position capacitor when part is held in locking tightly, capacitor is convenient for assembly.
Preferably, the guide part is an integral structure with the fixed ring, and the guide part protrudes from the fixed ring
Lateral wall, also, the guide part protrudes the height of the fixed ring lateral wall no more than described in circular fin protrusion
The height of fixed ring lateral wall.
The setting of guide part will not cause fixed ring to need larger installation space, be conducive to the small size of frequency converter,
Optimize the performance of fixed structure.
Preferably, the holding part include the holding portion coordinated with the fixed ring and setting holding portion both ends with it is described
The department of assembly of bolt cooperation, offers the pilot hole for assembling the bolt in the department of assembly, is arranged on the bolt pair
The spring of screw retention, the spring is between the departments of assembly Liang Ge.
The setting of spring can be locking to bolt progress, improves the stability of fixed structure.In addition, spring pocket is set to
On bolt, bolt can avoid spring from being bent in compression, extend the service life of spring.
Preferably, the fixed ring is coaxially disposed with the through-hole, two ends of the circular fin to the fixed ring
The distance in face is equal.
Fixed ring uniform force, fixed ring are less likely to be damaged capacitor, optimize the performance of fixed structure.
The utility model compared with the existing technology has the following advantages and effect：
1, the setting of notch allows fixed ring to be preferably bonded with capacitor, capacitor uniform force, also, capacitance
Device has larger contact area, capacitor fixation with fixed ring.
2, the setting of circular fin and recess so that holding part and fixed ring tightly has correct relative position, holds part assembly tightly
It is convenient, so that capacitor is easy to assembly.
3, the setting of fixed ring is on the one hand so that capacitor fixation, another aspect, since fixed ring is welded in substrate
On, the setting of fixed ring can also improve the intensity of substrate, improve the stability of substrate.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the front view of the utility model.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the axonometric drawing of Fig. 1.
Fig. 4 is axonometric drawing when being equipped with multiple capacitors on substrate.
Fig. 5 is provided with schematic diagram when dowel between fixed ring.
Label declaration：
1, capacitor；2, substrate；3, fixed ring；4, circular fin；5, part is held tightly；
6, bolt；7, notch；8, guide part；9, dowel；10, resilient sleeve；
11, holding portion；12, department of assembly；13, spring；14, through-hole.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, following embodiment is to the utility model
Explanation and the utility model is not limited to following embodiment.
Embodiment 1：
A kind of capacitor of frequency converter fixed structure, capacitor fixing structure are mainly used to that capacitor 1 is effectively fixed, will
Capacitor 1 is fixed on rational position；
As shown in Figure 1, Figure 2, Figure 3 shows, include the substrate 2 of capacitor 1 and the fixed capacitor 1, substrate 2 is assembled to frequency conversion
On device, the through-hole 14 for making the capacitor 1 pass through is offered on the substrate 2, is welded on the substrate 2 described in fixing
Capacitor 1 and elastically-deformable fixed ring 3 can be generated, fixed ring 3 can be made of metal material, and fixed ring 3 generates elasticity
Deformation be mainly used for holding tightly in capacitor 1, therefore, fixed ring 3 generate flexible deformation simultaneously it is little, the fixed ring 3 with it is described
Through-hole 14 communicates, and circular fin 4 is provided on the outer wall of the fixed ring 3, and circular fin 4 can be integrated with fixed ring 3
Formula structure,
As shown in Figure 1, being arranged with the holding part 5 for holding the fixed ring 3 tightly in the fixed ring 3, the holding part 5 is logical
It crosses bolt 6 to hold the fixed ring 3 tightly, part 5 is held in the locking of bolt 6, which tightly, makes holding part 5 hold fixed ring 3 tightly, and then fixed ring 3 generates
Certain deformation, capacitor 1 is locked, and at least one fixed ring 3 that is conducive to is offered in the fixed ring 3 and generates bullet
Property deformation notch 7, when the cross-sectional shape of fixed ring 3 is full circle, fixed ring 3 is not easy to be deformed, also, even if fixed
It is also only local deformation that ring 3, which is deformed, the deformation can not make fixed ring 3 and capacitor 1 generate it is good contact, therefore,
The setting of notch 7 is mainly used for that fixed ring 3 is made to be easy to be deformed, and capacitor 1 is locked；
As shown in Fig. 2, the recess coordinated with the circular fin 4 is provided on the holding part 5, recess and circular fin
4 cooperation can make holding part 5 relative to fixed ring 3 have correct position, to avoid hold tightly part 5 in an inclined manner with fixed ring
3 coordinate and cause 3 discontinuity of fixed ring, and then damage capacitor 1 or 1 fixed performance of capacitor is caused to decline,
As shown in Fig. 2, being provided with the guiding assembled conducive to capacitor 1 in the one end of the fixed ring 3 far from the substrate 2
Portion 8, guide part 8 is mainly used for being oriented to capacitor 1, so that capacitor 1 can be easily loaded into fixed ring 3.Also
It is to say, the setting of guide part 8 is mainly used for increasing the opening area of fixed ring 3, so that capacitor 1 is easy to assembly.
Embodiment 2：
The present embodiment is the optimization to embodiment 1.
As shown in Figure 4, Figure 5, be evenly equipped at least two fixed rings 3 on the substrate 2, also, the fixed ring 3 with it is described
Through-hole 14 corresponds, and each fixed ring 3 is corresponding with an independent through-hole 14, may need to assemble multiple capacitances on frequency converter
Multiple capacitors 1 can be fixed in device 1,2 structure of substrate, and dowel 9, institute are welded between two neighboring fixed ring 3
Dowel 9 is stated to be welded on the substrate 2.
Dowel 9 is mainly used for connecting all fixed rings 3, in favor of the assembly of fixed ring 3 and substrate 2, connection
Muscle 9 welds on a substrate 2, can make reinforcing rib use, the setting of dowel 9 substantially increases the intensity of substrate 2, optimizes fixation
The performance of structure.The cross-sectional shape of dowel 9 can be rectangle.Hold tightly after part 5 is assembled in fixed ring 3, hold tightly part 5 with
There should be certain interval between dowel 9, be interfered with dowel 9 to avoid part 5 is held tightly.
Embodiment 3：
The present embodiment is the prioritization scheme to embodiment 1 or embodiment 2.
As shown in Fig. 2, being provided with the resilient sleeve 10 being interference fitted with the capacitor 1, the bullet in the fixed ring 3
Property set 10 be adhered in the fixed ring 3, resilient sleeve 10 can be the structures such as rubber sleeve, be equipped with and increase in the resilient sleeve 10
The decorative pattern of 10 friction coefficient of the resilient sleeve, in the recessed resilient sleeve of the decorative pattern 10.In the recessed resilient sleeve of decorative pattern 10, so that
Capacitor 1 has larger contact area with resilient sleeve 10 so that 1 fixation of capacitor.
10 one side of resilient sleeve plays the role of isolating capacitor 1 and fixed ring 3, can reduce the abrasion of capacitor 1, prolong
The service life of long capacitor 1.On the other hand, another effect of resilient sleeve 10 is the assembly conducive to capacitor 1, capacitor
After 1 is inserted into assembly in resilient sleeve 10, capacitor 1 is positioned by resilient sleeve 10, therefore, is not needed when part 5 is held in assembly tightly
Capacitor 1 is positioned by hand, alternatively, when part 5 is held in assembly tightly, capacitor 1 will not misplace, and then improve capacitor 1
Efficiency of assembling.
Embodiment 4：
The present embodiment mainly introduces the structure of guide part 8.
As shown in Figure 1 and Figure 2, the guide part 8 is an integral structure with the fixed ring 3, i.e. the side wall folding of fixed ring 3
Guide part 8 is formed after curved, guide part 8 is mainly used for the opening for making fixed ring 3 have bell mouth shape, in favor of the dress of capacitor 1
Match, the guide part 8 protrudes from the lateral wall of the fixed ring 3, also, the guide part 8 protrudes 3 lateral wall of the fixed ring
Height protrude the height of 3 lateral wall of the fixed ring no more than the circular fin 4.That is, by fixed ring 3 along fixation
The axis direction of ring 3 makees orthographic projection, and the projection of guide part 8 is fully located in the projection of circular fin 4, convex to avoid guide part 8
Go out 3 installation space that is excessively high and increasing capacitor 1 of fixed ring.
Guide part 8 can also be welded in fixed ring 3, when being provided with resilient sleeve 10 in fixed ring 3, the one of resilient sleeve 10
Part should be adhered on guide part 8, so that resilient sleeve 10 has the opening of bell mouth shape, be conducive to the assembly of capacitor 1.
Embodiment 5：
The structure of part 5 is held in the present embodiment introduction tightly.
As shown in Figure 1, Figure 3, the holding part 5 includes that the holding portion 11 coordinated with the fixed ring 3 and setting are being held tightly
The department of assembly 12 that 11 both ends of portion coordinate with the bolt 6, department of assembly 12 is formed by 11 bending of holding portion, is opened in the department of assembly 12
Equipped with the pilot hole for assembling the bolt 6, the spring 13 locking to bolt 6,13, the spring are arranged on the bolt 6
Between the departments of assembly Liang Ge 12.Bolt 6 includes screw rod and nut, and spring 13 is sheathed on screw rod, and spring 13 is made using its elasticity
It is firmly locking to bolt 6, improve the stability of fixed structure.
Embodiment 6：
The present embodiment is further limiting to embodiment 1.
As shown in figure 5, the fixed ring 3 is coaxially disposed with the through-hole 14, and in favor of the assembly of capacitor 1, the ring
The distance of shape fin 4 to two end faces of the fixed ring 3 is equal, 3 uniform force of fixed ring, 1 fixation of capacitor.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named
Title etc. can be different.The equivalent or simple change that all structure, feature and principles according to described in the utility model patent concept are done,
It is included in the protection domain of the utility model patent.Those skilled in the art of the present invention can be to being retouched
The specific embodiment stated does various modifications or additions or substitutes by a similar method, without departing from the utility model
Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of capacitor of frequency converter fixed structure includes the substrate (2) of capacitor (1) and the fixed capacitor (1), described
The through-hole (14) for making the capacitor (1) pass through is offered on substrate (2), it is characterized in that：It is welded on the substrate (2) solid
To determine the capacitor (1) and elastically-deformable fixed ring (3) can be generated, the fixed ring (3) communicates with the through-hole (14),
It is provided with circular fin (4) on the outer wall of the fixed ring (3), is arranged in the fixed ring (3) and holds the fixation tightly
The holding part (5) of ring (3), the holding part (5) is held tightly the fixed ring (3) by bolt (6), in the fixed ring (3)
On offer at least one fixed ring (3) that is conducive to and generate elastically-deformable notch (7), be provided on the holding part (5)
With the recess of the circular fin (4) cooperation, it is provided with conducive to electricity in the one end of the fixed ring (3) far from the substrate (2)
The guide part (8) of container (1) assembly.
2. a kind of capacitor of frequency converter fixed structure according to claim 1, it is characterized in that：It is evenly equipped on the substrate (2)
At least two fixed rings (3), also, the fixed ring (3) is corresponded with the through-hole (14), two neighboring fixed ring (3)
Between be welded with dowel (9), the dowel (9) is welded on the substrate (2).
3. a kind of capacitor of frequency converter fixed structure according to claim 1 or 2, it is characterized in that：In the fixed ring (3)
It is provided with the resilient sleeve (10) being interference fitted with the capacitor (1), the resilient sleeve (10) is adhered to the fixed ring (3)
It is interior, the decorative pattern for increasing resilient sleeve (10) friction coefficient, the recessed bullet of decorative pattern are equipped in the resilient sleeve (10)
Property set (10) in.
4. a kind of capacitor of frequency converter fixed structure according to claim 1, it is characterized in that：The guide part (8) with it is described
Fixed ring (3) is an integral structure, and the guide part (8) protrudes from the lateral wall of the fixed ring (3), also, the guiding
The height that fixed ring (3) lateral wall is protruded in portion (8) is protruded no more than the circular fin (4) on the outside of the fixed ring (3)
The height of wall.
5. a kind of capacitor of frequency converter fixed structure according to claim 1, it is characterized in that：The holding part (5) include with
The department of assembly that the holding portion (11) of fixed ring (3) cooperation and setting coordinate at holding portion (11) both ends and the bolt (6)
(12), the pilot hole for assembling the bolt (6) is offered on the department of assembly (12), is arranged with to spiral shell on the bolt (6)
The locking spring (13) of bolt (6), the spring (13) are located between the departments of assembly Liang Ge (12).
6. a kind of capacitor of frequency converter fixed structure according to claim 1, it is characterized in that：The fixed ring (3) with it is described
Through-hole (14) is coaxially disposed, and the distance of two end faces of the circular fin (4) to the fixed ring (3) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922887.5U CN207676805U (en) | 2017-12-30 | 2017-12-30 | A kind of capacitor of frequency converter fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721922887.5U CN207676805U (en) | 2017-12-30 | 2017-12-30 | A kind of capacitor of frequency converter fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207676805U true CN207676805U (en) | 2018-07-31 |
Family
ID=62973045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721922887.5U Active CN207676805U (en) | 2017-12-30 | 2017-12-30 | A kind of capacitor of frequency converter fixed structure |
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| Country | Link |
|---|---|
| CN (1) | CN207676805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273256A (en) * | 2018-11-07 | 2019-01-25 | 深圳市英威腾电气股份有限公司 | A kind of capacitance structure and electrical equipment |
-
2017
- 2017-12-30 CN CN201721922887.5U patent/CN207676805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273256A (en) * | 2018-11-07 | 2019-01-25 | 深圳市英威腾电气股份有限公司 | A kind of capacitance structure and electrical equipment |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: Block D, No.90, 12th Street, Binhai New Area Development Zone, Tianjin Patentee after: Tianjin Feixuan Technology Co.,Ltd. Patentee after: TIANJIN EMAGING HIGH SPEED MOTOR TECHNOLOGY Co.,Ltd. Address before: Block 90, 12th Avenue, Tianjin Binhai New Area Development Zone, 300450 Patentee before: TIANJIN EMAGING TECHNOLOGY Co.,Ltd. Patentee before: TIANJIN EMAGING HIGH SPEED MOTOR TECHNOLOGY Co.,Ltd. |