CN215933383U - Fixing structure and power converter - Google Patents

Abstract

The utility model discloses a fixed structure and a power converter applying the same. The sensor fixing structure comprises a fixing component and a pressing component, wherein the fixing structure is used for fixing the sensor on the capacitor and comprises a supporting block; the pressing assembly comprises a pressing frame, the pressing frame is fixed on the supporting block and forms an installation space for inserting the capacitor with the supporting block in an enclosing mode, and an installation position for fixing the sensor is arranged on the surface, facing the installation space, of the pressing frame; when the capacitor is inserted into the mounting space and the sensor is fixed on the mounting position, the pressing frame presses the sensor on the surface of the capacitor. The technical scheme of the utility model can ensure that the fixing structure can fix the sensor on capacitors with various shapes.

Description

Fixing structure and power converter

Technical Field

The utility model relates to the technical field of capacitor detection, in particular to a fixed structure and a power converter applying the same.

Background

A capacitor is an electronic component commonly used in a power converter, wherein the capacitor includes a rectangular capacitor, a cylindrical capacitor, and the like. In order to detect the heat generation of the capacitor, a sensor is usually disposed on the surface of the capacitor. Currently, the fixing structure of the existing sensor is to arrange a frame on the surface of the capacitor for fixing the sensor. However, the fixing structure can only be applied to a rectangular capacitor, and the fixing of the frame becomes difficult for the arc-shaped surface of the cylindrical capacitor, so that the stability of the sensor is influenced, and the testing precision of the sensor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a fixing structure, aiming at enabling the fixing structure to fix a sensor on capacitors with various shapes.

In order to achieve the above object, the present invention provides a fixing structure for fixing a sensor to a capacitor, the fixing structure including:

a fixed assembly comprising a support block;

the pressing assembly comprises a pressing frame, the pressing frame is fixed on the supporting block and forms an installation space for inserting a capacitor with the supporting block in an enclosing mode, and an installation position for fixing a sensor is arranged on the surface, facing the installation space, of the pressing frame;

when the capacitor is inserted into the mounting space and the sensor is fixed on the mounting position, the pressing frame presses the sensor on the surface of the capacitor.

Optionally, the pressing assembly further comprises a limiting block, the limiting block is fixed on the installation position, and a limiting groove for fixing the sensor is formed in the surface of the limiting block, which deviates from the installation position.

Optionally, the side wall of the limiting block is provided with a wire outlet penetrating through the limiting groove.

Optionally, two sides of the wire outlet are respectively provided with a limiting protrusion in a protruding manner, and the two limiting protrusions are arranged oppositely to avoid that the sensor fixed in the limiting groove is separated.

Optionally, the pressing assembly further includes an elastic gasket, and the elastic gasket is accommodated in the limiting groove and used for abutting the sensor against the surface of the capacitor.

Optionally, a first connection hole penetrating through the installation space is formed in the outer surface of the pressing frame, and a second connection hole is formed in the surface of the limiting block facing the first connection hole; the pressing assembly further comprises a connecting piece, the connecting piece penetrates through the first connecting hole and is inserted into the second connecting hole.

Optionally, a pressing edge is convexly arranged on the surface of the limiting block, which deviates from the mounting position, and is used for pressing the limiting block on the sensor.

Optionally, the pressing frame includes a pressing edge and two supporting edges, the pressing edge and the supporting block are disposed opposite to each other, the two supporting edges are disposed at two ends of the pressing edge respectively and fixed to two ends of the supporting block respectively, the two supporting edges, the pressing edge and the supporting block together enclose the installation space, and the installation position is disposed on a surface of the pressing edge facing the installation space.

Optionally, the pressing frame further comprises two folded edges, the two folded edges are respectively arranged on the two supporting edges, and the folded edges are formed by extending outwards from one end of each supporting edge, which is far away from the pressing edge;

the supporting block is provided with a bearing surface facing the pressing frame, the folded edge is arranged opposite to the bearing surface, and an adjusting structure is arranged between the folded edge and the bearing surface and used for adjusting the distance between the folded edge and the bearing surface.

Optionally, the folded edge is provided with a first adjusting hole, a region of the bearing surface facing the folded edge is provided with a second adjusting hole, and the second adjusting hole is a threaded hole;

the adjusting structure comprises two adjusting screws, and each adjusting screw penetrates through one first adjusting hole and is inserted into one second adjusting hole.

Optionally, the pressing frame further comprises two flanges, the two flanges are respectively arranged on the two folded edges and extend away from the supporting edge, and the two flanges are respectively arranged opposite to the two end faces of the supporting block;

the flanging is provided with a strip-shaped hole, and the strip-shaped hole extends along the length direction of the supporting edge; the end face of the supporting block is provided with a fixing hole, the pressing assembly further comprises two fasteners, and each fastener penetrates through one strip-shaped hole and is inserted into one fixing hole.

The utility model also provides a power converter, which comprises a fixing structure, wherein the fixing structure comprises a fixing component and a pressing component, the fixing component comprises a supporting block, the pressing component comprises a pressing frame, the pressing frame is fixed on the supporting block and forms an installation space for inserting a capacitor with the supporting block in a surrounding manner, and an installation position for fixing a sensor is arranged on the surface of the pressing frame facing the installation space; when the capacitor is inserted into the mounting space and the sensor is fixed on the mounting position, the pressing frame presses the sensor on the surface of the capacitor.

The fixing structure comprises a pressing frame and a supporting block, wherein the pressing frame and the supporting block are enclosed to form an installation space, and a capacitor can be inserted into the installation space; moreover, the surface of the pressing frame facing the installation space is provided with an installation position; at this moment, can restrict the sensor on the installation position, compress tightly the sensor on the surface of condenser through compressing tightly the frame to the fixed problem of sensor has been solved. It can be understood that, because the sensor is pressed by the pressing frame or fixed in a clamping manner, the fixing structure can be adapted to capacitors with different shapes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a general view of an embodiment of a fastening structure according to the present invention;

FIG. 2 is an exploded view of the mounting structure of FIG. 1;

FIG. 3 is an exploded view of the mounting structure of FIG. 1;

FIG. 4 is a schematic view of the fixing structure of FIG. 1 from another perspective;

fig. 5 is a schematic structural view of the compressing assembly of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Fixing structure	3151	First adjusting hole
10	Fixing assembly	317	Flanging
				11	Supporting block	3171	Strip-shaped hole
111	Bearing surface	33	Limiting block
				1111	Second regulating hole	331	Limiting groove
113	Fixing hole	333	Wire outlet
				13	Adjusting mechanism	3331	Spacing protrusion
15	Fastening piece	335	Second connecting hole
				30	Hold down subassembly	337	Edge pressing
31	Pressing frame	35	Elastic cushion
				311	Pressing edge	37	Connecting piece
3111	Mounting position	50	Installation space
				3113	First connecting hole	200	Capacitor with a capacitor element
313	Supporting edge	300	Sensor with a sensor element
				315	Edge folding

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the fixing structure 100 according to the present invention, the fixing structure 100 is used for fixing the sensor 300 on the capacitor 200, the fixing structure 100 includes a fixing element 10 and a pressing element 30, the fixing element 10 includes a supporting block 11; the pressing assembly 30 includes a pressing frame 31, the pressing frame 31 is fixed to the supporting block 11 and forms an installation space 50 for inserting the capacitor 200 with the supporting block 11, and a surface of the pressing frame 31 facing the installation space 50 is provided with an installation position 3111 for fixing the sensor 300; when the capacitor 200 is inserted into the mounting space 50 and the sensor 300 is fixed to the mounting position 3111, the pressing frame 31 presses the sensor 300 against the surface of the capacitor 200.

The supporting block 11 is fixedly designed, the pressing frame 31 is arranged above the supporting block 11, the capacitor 200 is clamped in the installation space 50 formed by the pressing frame 31 and the supporting block 11, and the sensor 300 is clamped between the pressing frame 31 and the capacitor 200. Further, the material of the pressing frame 31 may be a material with certain toughness, so that the pressing frame 31 may be manufactured by stamping and forming a steel sheet, or the elastic pressing frame 31 may be manufactured by injection molding; the sensor 300 may be any sensor 300 for detecting the condition of the capacitor 200, wherein the sensor 300 is used to detect the heating condition of the capacitor 200, and the temperature sensor 300 in this embodiment is stepped and can be divided into a body portion and a protrusion portion. Still further, since the sensor 300 needs to be disposed on the surface of the capacitor 200, and the surface of the capacitor 200 may be an arc-shaped surface, it is difficult to place the sensor 300 on the capacitor 200, and therefore, the sensor 300 needs to be limited to be disposed on the surface of the capacitor 200. There are many ways of limiting, and in addition to the ways described hereinafter, at least one of the following is also described: a groove may be formed at the corresponding mounting position 3111 of the pressing frame 31, so as to limit the sensor 300 in the groove, thereby achieving the limiting effect. Alternatively, the sensor 300 may be directly constrained to the mounting location 3111 by gluing, welding, snap-fit connection, or the like. Since there are capacitors 200 with various shapes, the surface of the capacitor 200 may be a general name of the entire outer surface of the capacitor 200, and the description of the embodiment is mainly given by taking the cylindrical capacitor 200 as an example and taking the cylindrical surface of the cylindrical capacitor 200 as the surface of the capacitor 200.

The fixing structure 100 provided by the utility model comprises a pressing frame 31 and a supporting block 11, wherein the pressing frame 31 and the supporting block enclose to form an installation space 50, and a capacitor 200 can be inserted into the installation space 50; moreover, the surface of the pressing frame 31 facing the installation space 50 is provided with an installation position 3111; at this time, the sensor 300 may be restricted to the mounting position 3111, and the sensor 300 may be pressed against the surface of the capacitor 200 by the pressing frame 31, thereby solving the fixing problem of the sensor 300. It is understood that, since the present invention uses the pressing frame 31 to press the sensor 300, or to fix the sensor 300 by clamping, the fixing structure 100 can be adapted to capacitors 200 with different shapes.

Referring to fig. 2 and fig. 5, in an embodiment of the fixing structure 100 according to the present invention, the pressing assembly 30 further includes a limiting block 33, the limiting block 33 is fixed on the mounting position 3111, and a surface of the limiting block 33 departing from the mounting position 3111 is provided with a limiting groove 331 for fixing the sensor 300.

The limiting groove 331 may be a limiting groove 331 formed by a side wall formed by the middle of the limiting block 33 and the pressing frame 31 as a bottom wall, and of course, the limiting groove 331 may also be formed by the limiting block 33 being recessed completely. In this embodiment, the limiting groove 331 of the limiting block 33 is designed to be through, so as to form a limiting opening, the limiting opening penetrates through the upper surface and the lower surface of the limiting block 33, and meanwhile, the limiting opening is adapted to the body of the sensor 300, so that the limiting block 33 can sufficiently limit the movement of the sensor 300. Further, the stopper 33 may be designed integrally with the pressing frame 31, that is, the stopper 33 is protruded on the surface of the pressing frame 31 facing the capacitor 200, and at this time, the stopper 33 does not need the connecting member 37 to fix the stopper 33 on the pressing frame 31; in this embodiment, the limiting block 33 and the pressing frame 31 are designed in a split manner, and the split design is beneficial to manufacturing the limiting block 33 and the pressing frame 31 respectively, so that the processing is simple and the manufacturing is convenient.

Referring to fig. 5, in an embodiment of the fixing structure 100 according to the present invention, a wire outlet 333 penetrating through the limiting groove 331 is formed on a sidewall of the limiting block 33.

The outlet 333 of the limiting block 33 may be an outlet reserved for the data line or the power line of the sensor 300, so as to avoid pressing the data line or the power line of the sensor 300 on the surface of the capacitor 200. Further, the limiting opening can not completely penetrate through the outer side wall of the limiting block 33, that is, the limiting opening only needs to be provided with a small opening communicated to the outer side wall of the limiting block 33, and understandably, the small opening formed in the limiting block 33 opening only needs to be provided with a large enough space for placing a data line or a power supply line of the sensor 300. In the fixing structure 100 of the present invention, the limiting opening completely penetrates to the outer sidewall of the limiting block 33, and the wire outlet 333 is formed, and it can be understood that the through type wire outlet 333 has the advantages of simple process, convenient manufacturing, and the like.

Referring to fig. 5, in an embodiment of the fixing structure 100 according to the present invention, two sides of the outlet 333 are respectively protruded with a limiting protrusion 3331, and the two limiting protrusions 3331 are disposed opposite to each other to prevent the sensor 300 fixed in the limiting groove 331 from coming off.

In this embodiment, since the sidewall of the limiting block 33 is provided with the outlet 333 penetrating to the limiting groove 331, a limiting protrusion 3331 is required to limit the play of the sensor 300, so as to prevent the sensor 300 from coming off or sliding away from the outlet 333. It should be noted that, only one side of the outlet 333 may be provided with the limiting protrusion 3331, and the other side is not provided with the limiting protrusion 3331, as long as the sensor 300 is prevented from coming out of the outlet 333. The shape of the position-limiting protrusion 3331 is adapted to the external shape of the sensor 300, and thus, the shape of the position-limiting protrusion 3331 is not limited to that shown in fig. 5.

Referring to fig. 2 and 5, in an embodiment of the fixing structure 100 according to the present invention, the pressing assembly 30 further includes an elastic pad 35, and the elastic pad 35 is accommodated in the limiting groove 331 for pressing the sensor 300 against the surface of the capacitor 200.

Since the sensor 300 is a precise electronic component, the structure may be damaged by a slightly large pressing force, and the elastic pad 35 may be used to buffer a part of the pressing force, thereby protecting the sensor 300. Further, the elastic pad 35 is adhered to the surface of the pressing frame 31, and the thickness of the elastic pad 35 plus the height of the sensor 300 body is greater than or equal to the thickness of the limiting block 33, so that the pressing frame 31 can press the sensor 300 on the surface of the capacitor 200, and the situation that the elastic pad 35 is too small to touch the sensor 300, and the elastic pad 35 cannot play a role in buffering is avoided. Still further, the elastic pad 35 sheet may be made using a sealing tape. As can be understood, the sealing strip has a mature manufacturing process, so that the sealing strip used as the elastic cushion 35 has the advantages of low cost, rapidness in assembly, high stability, high reliability and the like.

Referring to fig. 2 and 5, in an embodiment of the fixing structure 100 according to the present invention, a first connection hole 3113 penetrating through the installation space 50 is formed on an outer surface of the pressing frame 31, and a second connection hole 335 is formed on a surface of the limiting block 33 facing the first connection hole 3113; the pressing assembly 30 further includes a connecting member 37, and the connecting member 37 is inserted into the first connecting hole 3113 and the second connecting hole 335.

In this embodiment, since the stopper 33 is designed to be separated from the pressing frame 31, the stopper 33 needs to be fixed on the pressing frame 31 by the connecting member 37. The fixing method can be various, such as: first connecting hole 3113 and second connecting hole 335 are the joint hole, and connecting piece 37 is in first connecting hole 3113 and second connecting hole 335 in the continuous joint to make stopper 33 can fix on compressing tightly frame 31. It can be understood that the connecting member 37 can be a cylindrical shaft, and therefore, the connecting member 37 is used to fix the limiting block 33 on the pressing frame 31, which has the advantages of simple structure, convenient manufacture, quick assembly and the like.

It should be noted that two second connection holes 335 may be formed on the surface of the limiting block 33, the second connection holes 335 are threaded holes, the connecting element 37 may be a fastening screw, and the two connecting elements 37 are respectively screwed into the two second connection holes 335. In the present embodiment, the screw head of the connecting member 37 abuts against the upper surface of the pressing frame 31, and the connecting section of the connecting member 37 is inserted into the pressing frame 31 and finally screwed into the second connecting hole 335. It should be noted that the second connecting hole 335 may be a through hole or a blind hole, and the through hole design is adopted in this embodiment, which is beneficial to the processing and manufacturing of the limiting block 33. Understandably, two fastening screws are adopted to fix the limiting block 33 on the pressing frame 31, so that the clamping device has the advantages of simple structure, rapidness in assembly, convenience in replacement and the like. Furthermore, the limiting block 33 can be fixed in a mode of combining thread fit and clamping fit; such as: the two threaded holes are not arranged, but one threaded hole and one clamping hole are arranged, two matching modes are combined, and the two matching installation advantages are combined.

Referring to fig. 2 and fig. 5, in an embodiment of the fixing structure 100 according to the present invention, a pressing edge 337 is protruded from a surface of the limiting block 33 away from the mounting position 3111 for pressing and connecting to the sensor 300.

The structural shape of the blank holder 337 is adapted to the shape of the protruding portion of the sensor 300, and the blank holder 337 may not be provided, and at this time, the bottom of the limiting block 33 abuts against the protruding portion of the sensor 300, so that the sensor 300 is compressed. Understandably, the bottom of the limit block 33 is provided with the edge pressing 337, so that the limit block 33 is prevented from being abutted to the sensor 300 in a large area, the structural shape of the limit block 33 is convenient to match with the appearance of the protruding part of the sensor 300, the manufacturing process is met, and meanwhile, the pressing force of the pressing frame 31 is favorably concentrated on the edge pressing 337.

Referring to fig. 2 and 5, in an embodiment of the fixing structure 100 according to the present invention, the pressing frame 31 includes a pressing edge 311 and two supporting edges 313, the pressing edge 311 is disposed opposite to the supporting block 11, the two supporting edges 313 are respectively disposed at two ends of the pressing edge 311 and are respectively fixed to two ends of the supporting block 11, the two supporting edges 313, the pressing edge 311, and the supporting block 11 together enclose to form an installation space 50, and the installation position 3111 is disposed on a surface of the pressing edge 311 facing the installation space 50.

The pressing edge 311 and the two supporting edges 313 may be disposed at 90 degrees, the supporting block 11 may be in the shape of a square strip, and the pressing edge 311 and the supporting block 11 are disposed in parallel. Further, the installation space 50 can be used for installing a plurality of capacitors 200, depending on the length of the pressing edge 311 and the supporting block 11, so that the length of the pressing edge 311 and the supporting block 11 is adapted to the number of the capacitors 200, i.e. a plurality of capacitors 200 are needed to be arranged, the length of the pressing edge 311 and the length of the supporting block 11 can be longer, and the number of the capacitors 200 is smaller, so the length of the pressing edge 311 and the length of the supporting block 11 can be shorter.

Referring to fig. 2 and fig. 3, in an embodiment of the fixing structure 100 according to the present invention, the pressing frame 31 further includes two folding edges 315, the two folding edges 315 are respectively disposed on the two supporting edges 313, and the folding edge 315 is formed by extending an end of the supporting edge 313 away from the pressing edge 311;

supporting block 11 has bearing surface 111 facing to compressing frame 31, and hem 315 sets up with bearing surface 111 relatively, is provided with the regulation structure between hem 315 and bearing surface 111 for adjust the distance between hem 315 and the bearing surface 111.

The adjusting structure is used for adjusting the distance between the flange 315 and the bearing surface 111, so as to adjust the pressing degree of the pressing frame 31. There are many ways of adjustment, and in addition to the ways described hereinafter, at least one of them can be used to adjust the relative positions of the clamping frame 31 and the support block 11, such as: fix the head of nylon ribbon on compressing tightly frame 31, the linkage segment of nylon ribbon is worn to establish on supporting shoe 11, wears to establish the head at the nylon ribbon with the linkage segment of nylon ribbon again at last. Because the nylon cable tie is very economical and practical, if the pressing force is too tight, the nylon cable tie can be cut short and then adjusted by a new nylon cable tie. It can be understood that the tightness of the pressing of the sensor 300 to the capacitor 200 can be adjusted by the adjusting structure, so that the pressing force of the pressing frame 31 can be adjusted to a proper value, and the sensor 300 is not loosened due to too small pressing force and damaged due to too large pressing force.

Referring to fig. 2 and 3, in an embodiment of the fixing structure 100 according to the present invention, the flange 315 is provided with a first adjusting hole 3151, an area of the bearing surface 111 facing the flange 315 is provided with a second adjusting hole 1111, and the second adjusting hole 1111 is a threaded hole;

the adjusting structure includes two adjusting screws, each adjusting screw penetrates through a first adjusting hole 3151 and is inserted into a second adjusting hole 1111.

One of the two adjusting screws may be used for fastening, and the other may be used for adjusting, that is, one adjusting screw is slightly screwed, and the other adjusting screw is used for adjusting the degree of compression of the compression frame 31, which may be applied to one capacitor 200. In the present embodiment, both adjusting screws are used for adjusting, that is, both adjusting screws simultaneously adjust the degree of compression of the compression rack 31, which can be applied when compressing one or more capacitors 200. Understandably, the adjusting screw is used for adjusting the compression degree of the compression frame 31, and the device has the advantages of simple structure, quick assembly, convenient replacement and the like.

Referring to fig. 2, fig. 3 and fig. 4, in an embodiment of the fixing structure 100 according to the present invention, the pressing frame 31 further includes two flanges 317, the two flanges 317 are respectively disposed on the two flanges 315 and both extend away from the supporting edge 313, and the two flanges 317 are respectively disposed opposite to two end surfaces of the supporting block 11;

the flanging 317 is provided with a strip-shaped hole 3171, and the strip-shaped hole 3171 extends along the length direction of the supporting edge 313; the end surface of the supporting block 11 is provided with a fixing hole 113, the pressing assembly 30 further comprises two fasteners 15, and each fastener 15 penetrates through one strip-shaped hole 3171 and is inserted into one fixing hole 113.

The fastening member 15 may be a fastening screw, and two fastening screws may be provided. The screw head of the fastener 15 abuts against the surface of the flange 317 departing from the capacitor 200, the connecting section of the fastener 15 is arranged through the strip-shaped hole 3171, and the two fasteners 15 are finally screwed into the two fixing holes 113 respectively. In the fixing structure 100, the pressing force of the pressing frame 31 is adjusted by the adjusting structure, and then the pressing frame 31 is fixed on the supporting block 11 by the fastening member 15.

Still further, since the relative positions of the pressing frame 31 and the supporting block 11 need to be adjusted, the hole through which the fastening screw penetrates the pressing frame 31 may be a strip-shaped hole 3171 to match the adjustment requirement. It can be understood that the fastening screws for fixing the pressing frame 31 have the advantages of simple structure, rapid assembly, convenient replacement, etc.

The present invention further provides a power converter, which includes a fixed structure 100, and the specific structure of the fixed structure 100 refers to the above embodiments, and since the power converter adopts all technical solutions of all the above embodiments, at least all beneficial effects brought by all the technical solutions of all the above embodiments are achieved, and are not described in detail herein.

The power converter may be a converter, a frequency converter, a servo driver, an inverter, a power converter, or the like. Alternatively, the surface of the supporting block 11 is concavely provided with three openings, and the three openings can be used for placing three capacitors 200 respectively, so that the pressing frame 31 can press three sensors 300 on the three capacitors 200 respectively at one time. It is understood that the supporting block 11 is recessed with an opening on its surface to facilitate the assembly and fixing of the capacitors 200, while the power converter often requires a combination of three capacitors 200, and the recessed three openings of the supporting block 11 meet the industrial requirements.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (12)

1. A fixing structure for fixing a sensor to a capacitor, the fixing structure comprising:

a fixed assembly comprising a support block;

the pressing assembly comprises a pressing frame, the pressing frame is fixed on the supporting block and forms an installation space for inserting a capacitor with the supporting block in an enclosing mode, and an installation position for fixing a sensor is arranged on the surface, facing the installation space, of the pressing frame;

when the capacitor is inserted into the mounting space and the sensor is fixed on the mounting position, the pressing frame presses the sensor on the surface of the capacitor.

2. The fixing structure of claim 1, wherein the pressing assembly further comprises a limiting block, the limiting block is fixed on the mounting position, and a limiting groove for fixing the sensor is formed in the surface of the limiting block, which is away from the mounting position.

3. The fixing structure of claim 2, wherein the side wall of the limiting block is provided with an outlet penetrating to the limiting groove.

4. The fixing structure of claim 3, wherein two sides of the outlet are respectively provided with a protruding limiting protrusion, and the two limiting protrusions are oppositely arranged to prevent the sensor fixed in the limiting groove from coming off.

5. The fastening structure of claim 2, wherein the compression assembly further comprises a resilient pad received in the retaining groove for urging the sensor against the surface of the capacitor.

6. The fixing structure of claim 2, wherein the outer surface of the pressing frame is provided with a first connecting hole penetrating to the mounting space, and the surface of the limiting block facing the first connecting hole is provided with a second connecting hole; the pressing assembly further comprises a connecting piece, the connecting piece penetrates through the first connecting hole and is inserted into the second connecting hole.

7. The fixing structure of claim 2, wherein a surface of the limiting block facing away from the mounting position is convexly provided with an edge pressing part for pressing and connecting to the sensor.

8. The fixing structure according to claim 1, wherein the pressing frame includes a pressing edge and two supporting edges, the pressing edge is disposed opposite to the supporting block, the two supporting edges are disposed at two ends of the pressing edge respectively and fixed to two ends of the supporting block respectively, the two supporting edges, the pressing edge and the supporting block together enclose the installation space, and the installation position is disposed on a surface of the pressing edge facing the installation space.

9. The fixed structure of claim 8, wherein the pressing frame further comprises two folded edges, the two folded edges are respectively arranged on the two supporting edges, and the folded edges are formed by extending outwards from one ends of the supporting edges, which are far away from the pressing edge;

the supporting block is provided with a bearing surface facing the pressing frame, the folded edge is arranged opposite to the bearing surface, and an adjusting structure is arranged between the folded edge and the bearing surface and used for adjusting the distance between the folded edge and the bearing surface.

10. The fixing structure of claim 9, wherein the flange defines a first adjustment hole, and a region of the bearing surface facing the flange defines a second adjustment hole, the second adjustment hole being a threaded hole;

the adjusting structure comprises two adjusting screws, and each adjusting screw penetrates through one first adjusting hole and is inserted into one second adjusting hole.

11. The fixing structure according to claim 10, wherein the pressing frame further comprises two flanges, the two flanges are respectively arranged on the two flanges and extend away from the supporting edge, and the two flanges are respectively arranged opposite to the two end faces of the supporting block;

the flanging is provided with a strip-shaped hole, and the strip-shaped hole extends along the length direction of the supporting edge; the end face of the supporting block is provided with a fixing hole, the pressing assembly further comprises two fasteners, and each fastener penetrates through one strip-shaped hole and is inserted into one fixing hole.

12. A power converter characterized by comprising a fixed structure according to any one of claims 1 to 11.

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