CN220474490U - Capacitor clamp and frequency converter - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of frequency converters, in particular to a capacitor clamp and a frequency converter, which comprise a connecting plate, wherein at least one annular hoop is arranged on the connecting plate, and the connecting plate is sleeved on the outer side of a capacitor through the annular hoop; the side of annular hoop is provided with the opening, at least one side of opening is deformation portion, the outside of deformation portion is provided with the confession deformation portion deformation's deformation groove. Through the mode, the capacitor clamp of the capacitor can be stabilized, so that the risk that the surface skin of the capacitor is worn out due to mutual friction is reduced.

Description

Capacitor clamp and frequency converter

Technical Field

The embodiment of the utility model relates to the technical field of frequency converters, in particular to a capacitor clamp and a frequency converter.

Background

The capacitor is mainly used for filtering in the frequency converter to reduce the alternating current ripple coefficient and smooth direct current output, so that the working performance of the circuit is more stable.

However, in implementing embodiments of the present utility model, the inventors found that: the circuit board of converter usually includes a plurality of electric capacity, and the shape of electric capacity is cylindrical, and 2 welding guide pins are had to the one end of electric capacity, and 2 welding guide pins weld on the plate body of circuit board to a plurality of electric capacities are adjacent to be set up, because lack the spacing device to electric capacity, the in-process of transportation, the welding guide pin appears becoming flexible easily to lead to mutual friction between adjacent 2 electric capacities, and then lead to the epidermis of electric capacity to be worn out.

Disclosure of Invention

The embodiment of the utility model provides a capacitor clamp and a frequency converter, which can stabilize the capacitor clamp of a capacitor, thereby reducing the risk of grinding the surface of the capacitor due to mutual friction.

In order to solve the technical problems, the utility model adopts a technical scheme that: the capacitor clamp comprises a connecting plate, wherein at least one annular hoop is arranged on the connecting plate, and the connecting plate is sleeved on the outer side of the capacitor through the annular hoop; the side of annular hoop is provided with the opening, at least one side of opening is deformation portion, the outside of deformation portion is provided with the confession deformation portion deformation's deformation groove.

Optionally, the deformation portion is provided with respectively to the both sides of opening, the outside of deformation portion all is provided with deformation groove, the opening with deformation groove intercommunication.

Optionally, the two deformation portions are symmetrically distributed.

Optionally, a plurality of annular hoops are arranged on the connecting plate, and the plurality of annular hoops are distributed in an array.

Optionally, two annular hoops are arranged on the connecting plate, and the two annular hoops are symmetrically distributed on the connecting plate.

Optionally, the deformation grooves outside the two annular hoops on the same connecting plate are mutually communicated.

Optionally, the inner diameter of the annular collar is smaller than the outer diameter of the capacitor.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a converter, includes plate body, fixed plate and foretell electric capacity clamp, the plate body with be provided with at least one between the fixed plate electric capacity clamp, the one end of electric capacity with the plate body electricity is connected, and the other end passes electric capacity clamp and the fixed plate.

Optionally, the plate body with the fixed plate is connected and is pressed from both sides tightly to the electric capacity clamp, electric capacity clamp is last the connecting plate laminating the fixed plate.

Optionally, the fixing plate is provided with avoidance holes, and the avoidance holes are in one-to-one correspondence with the annular hoops.

The beneficial effects of the embodiment of the application are that: in contrast to the prior art, when the converter is in the transportation, the annular hoop can restrict the electric capacity and take place the skew, reduces the risk that mutual friction leads to the epidermis of electric capacity to be worn out between 2 adjacent electric capacities.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded perspective view of a capacitive clip provided by an embodiment of the present utility model;

fig. 2 is a view of a capacitive clip provided by an embodiment of the present utility model.

Reference numerals:

1. a capacitor clamp; 2. a plate body; 3. a fixing plate; 4. a screw column; 10. a connecting plate; 20. an annular collar; 31. avoidance holes; 101. a first supporting part; 102. a second supporting part; 201. an opening; 202. a deformation groove; 203. and a deformation portion.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein 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 utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a capacitor clip 1 includes a connecting plate 10, at least one annular collar 20 is disposed on the connecting plate 10, and the capacitor is clamped by the annular collar 20, so as to position the capacitor, and friction between two adjacent capacitors due to shaking is prevented by the annular collar 20.

In an embodiment, the number of the annular hoops 20 is two, one ends of the two annular hoops 20 are arranged on the connecting plate 10 at intervals, the two annular hoops 20 are symmetrically distributed on the connecting plate 10, and the two annular hoops 20 are respectively sleeved on the outer sides of the two adjacent capacitors.

In another embodiment, the connection plate 10 is provided with a plurality of annular hoops, and the plurality of annular hoops are distributed in an array, including an annular array distribution or a rectangular array distribution, etc., which is not particularly limited herein. Each annular hoop 20 is sleeved on the outer side of each capacitor respectively, so that friction collision between two adjacent capacitors is prevented.

In this application, when annular hoop 20 cover was established in the outside of electric capacity, the inner wall of annular hoop 20 tightly supported in electric capacity, and when the converter was in the transportation, annular hoop 20 can restrict electric capacity and take place the skew, reduces the risk that mutual friction leads to the epidermis of electric capacity to be worn out between 2 adjacent electric capacities.

For the annular collar 20 described above, referring to fig. 1, the cross section of the annular collar 20 is circular, the inner diameter of the annular collar 20 is smaller than the outer diameter of the capacitor, and the capacitor can be clamped when the annular collar 20 is sleeved outside the capacitor. For the convenience of annular hoop 20 cover is established in the outside of electric capacity, the side of annular hoop 20 is provided with opening 201, and at least one side of opening 201 is deformation portion 203, and the outside of deformation portion 203 is provided with the deformation groove 202 that supplies deformation portion 203 to warp, and when annular hoop 20 is to be established in the outside of electric capacity, deformation portion 203 takes place deformation to deformation groove 202 direction, and then makes annular hoop 20 cover locate the outside of electric capacity to press from both sides the electric capacity tightly.

In this application, deformation portions 203 are respectively disposed on two sides of an opening 201, the two deformation portions 203 are symmetrically distributed, deformation grooves 202 for deformation of the two deformation portions 203 are disposed on outer sides of the two deformation portions 203, and the opening 201 is communicated with the two deformations.

In this application, the deformation grooves 202 outside the two annular hoops 20 on the same connection plate 10 are in communication with each other. When the annular collar 20 is inserted into the capacitor from the other end to one end under the action of external force, the capacitor drives the two deformation parts 203 of the annular collar 20 to expand towards the deformation grooves 202, the two deformation parts 203 of the annular collar 20 move oppositely, and elastic force is generated by the two deformation parts 203 of the annular collar 20, so that the two deformation parts 203 and the inner wall of the annular collar 20 tightly support the capacitor, and the capacitor and the annular collar 20 form interference fit.

Referring to fig. 2, the frequency converter further includes a plate body 2, a fixing plate 3, a screw column 4 and the capacitor clamp 1, at least one capacitor clamp 1 is disposed between the plate body 2 and the fixing plate 3, a plurality of capacitor arrays are arranged on the plate body 2, the height of the capacitor is higher than the depth of the annular hoop 20, the fixing plate 3 is abutted against the connecting plate 10 after passing through the capacitor, so that the plate body 2 and the fixing plate 3 jointly clamp the capacitor clamp 1 therebetween, two ends of the screw column 4 are connected with the plate body 2 and the fixing plate 3 after being screwed by screws, thereby increasing the stability of the capacitor clamp 1, reducing the risk of offset of the capacitor, and one end of the capacitor is electrically connected with the plate body 2.

For the above-mentioned fixing plate 3, please refer to fig. 2, the fixing plate 3 is provided with a plurality of avoidance holes 31, the annular hoops 20 and the capacitors are in one-to-one correspondence, and the other ends of the capacitors penetrate through the capacitor clamp 1 and the fixing plate 3.

For the above-mentioned fixing plate 3, please refer to fig. 2, the fixing plate 3 is further provided with a first screw hole, the plate body 2 is provided with a second screw hole, the number of the screw posts 4, the first screw holes and the second screw holes is plural, the screw posts 4, the first screw holes and the second screw holes are in one-to-one correspondence, a part of screws pass through the first screw holes to be screwed with the screw posts 4, and another part of screws pass through the second screw holes to be screwed with the screw posts 4, thereby connecting the plate body 2 with the fixing plate 3, and increasing the connection stability.

It should be noted that, for the above-mentioned connection board 10, referring to fig. 1, the two ends of the connection board 10 are extended with the first abutting portion 101 and the second abutting portion 102, the first abutting portion 101 and the second abutting portion 102 share the pressure from the fixing board 3 together, and the contact area between the capacitor clip 1 and the fixing board 3 is increased, so that the capacitor clip 1 is more firmly abutted against the board body 2.

For the specific structure and function of the frequency converter, reference may be made to the above embodiments, and will not be described herein.

It should be noted that the description of the present utility model and the accompanying drawings illustrate preferred embodiments of the present utility model, but the present utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, which are not to be construed as additional limitations of the utility model, but are provided for a more thorough understanding of the present utility model. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope of the present utility model described in the specification; further, modifications and variations of the present utility model may be apparent to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be included within the scope of this utility model as defined in the appended claims.

Claims (8)

1. The capacitor clamp is characterized by comprising a connecting plate, wherein at least one annular hoop is arranged on the connecting plate, and the connecting plate is sleeved on the outer side of a capacitor through the annular hoop;

the side of annular hoop is provided with the opening, open-ended both sides are provided with deformation portion respectively, two deformation portion symmetric distribution, the outside of deformation portion all is provided with the confession deformation groove of deformation portion deformation, the opening with deformation groove intercommunication.

2. A capacitive clip according to claim 1 wherein a plurality of said annular hoops are provided on said web, said plurality of annular hoops being distributed in an array.

3. A capacitive clamp according to claim 1, characterized in that two of said annular hoops are provided on said web, said annular hoops being symmetrically distributed on said web.

4. A capacitive clamp according to claim 3, characterized in that said deformation grooves on the same web outside two of said annular hoops are in communication with each other.

5. A capacitive clip according to any one of claims 1 to 4 wherein the inner diameter of the annular collar is less than the outer diameter of the capacitor.

6. A frequency converter, characterized by comprising a plate body, a fixed plate and a capacitor clamp according to any one of claims 1 to 5, wherein at least one capacitor clamp is arranged between the plate body and the fixed plate, one end of the capacitor is electrically connected with the plate body, and the other end of the capacitor passes through the capacitor clamp and the fixed plate.

7. The transducer of claim 6, wherein the plate body and the mounting plate are connected to clamp the capacitive clamp, the connecting plate on the capacitive clamp abutting the mounting plate.

8. The transducer of claim 6, wherein the fixed plate is provided with relief holes, the relief holes being in one-to-one correspondence with the annular hoops.