CN221081020U - Connection structure of frequency converter and motor winding - Google Patents
Connection structure of frequency converter and motor winding Download PDFInfo
- Publication number
- CN221081020U CN221081020U CN202322960503.0U CN202322960503U CN221081020U CN 221081020 U CN221081020 U CN 221081020U CN 202322960503 U CN202322960503 U CN 202322960503U CN 221081020 U CN221081020 U CN 221081020U
- Authority
- CN
- China
- Prior art keywords
- copper bar
- frequency converter
- motor winding
- switching
- plate body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 124
- 229910052802 copper Inorganic materials 0.000 claims abstract description 124
- 239000010949 copper Substances 0.000 claims abstract description 124
- 238000005452 bending Methods 0.000 claims description 36
- 239000012212 insulator Substances 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a connection structure of a frequency converter and a motor winding, which comprises the frequency converter and the motor winding which are integrated into a whole, and comprises a switching copper bar assembly which is respectively connected with three-phase output ends of the frequency converter, wherein three-phase input ends of the motor winding are respectively connected with the switching copper bar assembly through conductive cables; the switching copper bar assembly comprises a first switching copper bar, a second switching copper bar and a third switching copper bar, wherein the first switching copper bar is fixed at the three-phase output end of the frequency converter, the second switching copper bar is fixed on the first switching copper bar and transversely extends, the third switching copper bar is fixed on the second switching copper bar and extends towards one side of the conductive cable, the connection copper bar is fixed on the third switching copper bar, the connection copper bar is installed on the shell of the frequency converter in an insulating manner, and the conductive cable is in conductive connection with the connection copper bar; the current situation that the thick cable cannot be well bent in the space limitation is improved when the thick cable is used as a conductive connection mode between the frequency converter and the motor winding in the prior art.
Description
Technical Field
The utility model relates to the technical field of frequency conversion integrated machines, in particular to a connection structure of a frequency converter and a motor winding.
Background
The frequency conversion all-in-one machine is an integrated product integrating a frequency converter, a motor and electric control, the frequency converter utilizes a frequency conversion technology and a power electronic technology to change the frequency of the current input to the motor so as to realize the control of the rotating speed of the motor, and the output part of the frequency converter is required to be connected with a motor winding for realizing the purpose.
The common connection mode is that the output section of the frequency converter is connected with the motor winding by adopting a cable, and the connection is needed by adopting a cable with a thick diameter in a heavy current scene, but the cable is limited due to the compact internal space of the integrated machine, so that the assembly is difficult and the cable cannot be fixed.
Therefore, a mode of adapting to high-current conduction and replacing a thick cable for conduction needs to be considered, so that space occupation is effectively reduced, and conduction reliability is guaranteed.
Disclosure of utility model
First technical problem
The utility model aims to provide a connection structure of a frequency converter and a motor winding, which solves the problem that a thick cable cannot be well bent and arranged due to limited space when the thick cable is used as a conductive connection mode between the frequency converter and the motor winding in the prior art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The connecting structure of the frequency converter and the motor winding comprises the frequency converter and the motor winding which are integrated into a whole, and comprises switching copper bar assemblies which are respectively connected with three-phase output ends of the frequency converter, wherein three-phase input ends of the motor winding are respectively connected with the switching copper bar assemblies through conductive cables; the switching copper bar assembly comprises a first switching copper bar, a second switching copper bar and a third switching copper bar, wherein the first switching copper bar is fixed at a three-phase output end of the frequency converter, the second switching copper bar is fixed on the first switching copper bar and transversely extends, the third switching copper bar is fixed on the second switching copper bar and faces one side of the conductive cable to extend, a connecting copper bar is fixed on the third switching copper bar, the connecting copper bar is installed on a shell of the frequency converter in an insulating mode, and the conductive cable is connected with the connecting copper bar in a conductive mode.
Preferably, an insulating block is arranged on the shell of the frequency converter, and the connecting copper bar is arranged on the insulating block.
Preferably, an insulator for mounting the connection copper bar is arranged on the insulating block.
Preferably, each conductive cable comprises three thin cables, and the thin cable end of each thin cable is connected with a copper wiring terminal, and the copper wiring terminals are mounted on the connecting copper bars.
Preferably, the device further comprises a cable fixing clamp for clamping the thin cable, wherein the cable fixing clamp comprises a first half clamp fixed on a shell of the frequency converter and a second half clamp detachably arranged on the first half clamp, and limiting gaps for clamping the thin cable are correspondingly formed in the first half clamp and the second half clamp; the first half clamp is provided with a locking bolt penetrating through the second half clamp, and a flat pad, a spring pad and a locking nut screwed on the locking bolt.
Preferably, the first transfer copper bar comprises a first plate body and a first through hole which is formed in the first plate body and is in a rectangular array.
Preferably, the second switching copper bar comprises a second plate body, a first bending part is arranged at one end of the second plate body, which is close to the first switching copper bar, the first bending part is parallel to the second plate body, a second bending part is arranged at one end of the second plate body, which is close to the third switching copper bar, and the second bending part is perpendicular to the second plate body; the first bending part and the second bending part are respectively provided with a second through hole in a rectangular array.
Preferably, the third switching copper bar comprises a third plate body, a third bending part and a fourth bending part which are parallel to each other and are bent reversely are arranged on the third plate body, and third through holes of a rectangular array are formed in the third bending part and the fourth bending part.
Preferably, the connecting copper bar comprises a fourth plate body with a concave structure, and fourth through holes which correspond to each other in position and are in a rectangular array are formed in two parallel side walls of the fourth plate body.
Preferably, the spacing distance between the adjacent first through holes, the spacing distance between the adjacent second through holes, the spacing distance between the adjacent third through holes, and the spacing distance between the adjacent fourth through holes are the same.
(III) beneficial effects
The large current diversion is realized by replacing the thick cable with the switching copper bar, and the switching copper bar is connected in a small space through the arrangement of the first switching copper bar, the second switching copper bar, the third switching copper bar and the connecting copper bar, so that the sectional connecting structure presents the bending arrangement, and the bending operation of the thick cable is avoided;
The limited space in the frequency conversion all-in-one is effectively utilized to realize high-current conductive connection, and the existing internal arrangement structure is kept unchanged, so that the operation is convenient.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1;
FIG. 3 is a schematic top view of the structure of FIG. 1;
FIG. 4 is a schematic view of a cable fixing clip according to an embodiment of the present utility model;
In fig. 1 to 4, the correspondence between the component names or lines and the drawing numbers is:
The frequency converter 1, the motor winding 2, the switching copper bar assembly 3, the first switching copper bar 31, the first through hole 310, the second switching copper bar 32, the second through hole 320, the third switching copper bar 33, the third through hole 330, the connecting copper bar 34, the fourth through hole 340, the insulating block 4, the insulator 5, the copper wiring terminal 6, the cable fixing clamp 7, the first half clamp 71, the second half clamp 72 and the limiting notch 73.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, in the embodiment of the utility model, a connection structure of a frequency converter 1 and a motor winding 2 is provided, which comprises the frequency converter 1 and the motor winding 2 which are integrated, and further comprises a switching copper bar assembly 3 which is respectively connected with three-phase output ends of the frequency converter 1, three-phase input ends of the motor winding 2 are respectively connected with the switching copper bar assembly 3 through conductive cables, 3 switching copper bar assemblies 3 are respectively arranged at three-phase input ends, three-phase corresponding conductive connection is respectively realized, specifically, the switching copper bar assembly 3 comprises a first switching copper bar 31, a second switching copper bar 32 and a third switching copper bar 33, the first switching copper bar 31 is fixed at the three-phase output end of the frequency converter 1, the second switching copper bar 32 is fixed at the first switching copper bar 31 and extends transversely, the third switching copper bar 33 is fixed at the second switching copper bar 32 and extends towards one side of the conductive cable, a connecting copper bar 34 is fixed at the third switching copper bar 33, the three-phase input ends of the frequency converter 1 are arranged at different intervals, and the three-phase copper bar assembly is required to be connected with the three-phase copper bar assembly 1, and the three-phase copper bar assembly is required to be connected at different intervals, and the three-phase copper bar assembly is required to be connected with the three-phase copper bar assembly, and the three-phase copper assembly is required to be connected with the three copper bar assembly, and the three-phase copper assembly is required.
It is to be noted that the insulating treatment may be performed at a position other than the connection end to avoid the occurrence of mutual interference.
Meanwhile, an insulating block 4 is arranged on the shell of the frequency converter 1, the connecting copper bar 34 is installed on the insulating block 4, insulating isolation is achieved on the connecting copper bar 34 through the insulating block 4, insulating connection can be guaranteed for connecting the connecting copper bar 34 to the insulating block 4, and an insulator 5 for installing the connecting copper bar 34 is arranged on the insulating block 4.
Considering that the distance between the motor winding 2 and the connection copper bar 34 is short, the connection copper bar 34 can be reliably connected, each conductive cable comprises three thin cables, the thin cable end of each thin cable is connected with a copper wiring terminal 6, the copper wiring terminal 6 is installed on the connection copper bar 34, after the copper wiring terminal 6 is tightly pressed and connected on the thin cables, the connection copper bar 34 is convenient to install quickly, and connection reliability is guaranteed.
Meanwhile, in order to ensure that the thin cable is bound to be clamped after being connected and the situation of no movement can be caused, the device specifically further comprises a cable fixing clamp 7 for clamping the thin cable, wherein the cable fixing clamp 7 comprises a first half clamp 71 fixed on a shell of the frequency converter 1 and a second half clamp 72 detachably arranged on the first half clamp 71, and limiting notches 73 for clamping the thin cable are correspondingly formed in the first half clamp 71 and the second half clamp 72; the first half clamp 71 is provided with a locking bolt penetrating through the second half clamp 72, and a flat pad, a spring pad and a locking nut screwed on the locking bolt, and after the second half clamp 72 is installed on the first half clamp 71, the corresponding limiting notch 73 is coated on the thin cable to form clamping, so that stable clamping and limiting of the thin cable are realized, and the thin cable cannot move relative to the shell of the frequency converter 1.
Specifically, the first switching copper bar 31 includes a first board body and a first through hole 310 that is formed on the first board body and is in a rectangular array, and the first through hole 310 is used for realizing conductive connection and fixedly connecting the first board body, so as to be convenient for connecting the second switching copper bar 32.
The second transfer copper bar 32 includes a second plate body, a first bending portion is disposed at one end of the second plate body near the first transfer copper bar 31, the first bending portion is parallel to the second plate body, a second bending portion is disposed at one end of the second plate body near the third transfer copper bar 33, and the second bending portion is perpendicular to the second plate body; the first bending part and the second bending part are respectively provided with a second through hole 320 in a rectangular array, and the first bending part and the second bending part can meet the requirement of connection between different phases which are spaced apart in a staggered arrangement and the requirement of conductive connection arrangement from the frequency converter 1 to the motor winding 2.
The second through hole 320 is used for connecting the first switching copper bar 31 and the third switching copper bar 33.
Specifically, the third switching copper bar 33 includes a third plate body, a third bending portion and a fourth bending portion that are parallel to each other and bend reversely are disposed on the third plate body, and third through holes 330 of a rectangular array are formed in the third bending portion and the fourth bending portion. In consideration of the avoidance, a third bending portion and a fourth bending portion are formed, and the second transfer copper bar 32 and the connection are connected together through the third through hole 330.
The connecting copper bar 34 includes a fourth plate body with a concave structure, two parallel side walls on the fourth plate body are provided with fourth through holes 340 with corresponding positions and rectangular arrays, the bottom of the connecting copper bar 34 is used for being installed and fixed on the insulating block 4, one side wall is connected with the third switching copper bar 33, and the other side wall is used for installing the copper wiring terminal 6, and connection is achieved through the fourth through holes 340.
In order to facilitate the matching of the connection positions, the connection can be performed by using bolts, so that the spacing distance between the adjacent first through holes 310, the spacing distance between the adjacent second through holes 320, the spacing distance between the adjacent third through holes 330 and the spacing distance between the adjacent fourth through holes 340 are the same.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The utility model provides a connection structure of converter and motor winding, includes integrated converter and motor winding, its characterized in that: the three-phase input end of the motor winding is connected to the switching copper bar assembly through a conductive cable respectively;
The switching copper bar assembly comprises a first switching copper bar, a second switching copper bar and a third switching copper bar, wherein the first switching copper bar is fixed at a three-phase output end of the frequency converter, the second switching copper bar is fixed on the first switching copper bar and transversely extends, the third switching copper bar is fixed on the second switching copper bar and faces one side of the conductive cable to extend, a connecting copper bar is fixed on the third switching copper bar, the connecting copper bar is installed on a shell of the frequency converter in an insulating mode, and the conductive cable is connected with the connecting copper bar in a conductive mode.
2. A connection structure of a frequency converter and a motor winding according to claim 1, wherein: an insulating block is arranged on the shell of the frequency converter, and the connecting copper bar is arranged on the insulating block.
3. A connection structure of a frequency converter and a motor winding according to claim 2, characterized in that: and the insulator for installing the connecting copper bar is arranged on the insulating block.
4. A connection structure of a frequency converter and a motor winding according to claim 2, characterized in that: each conductive cable comprises three thin cables, the thin cable end of each thin cable is connected with a copper wiring terminal, and the copper wiring terminals are installed on the connecting copper bars.
5. A connection structure of a frequency converter and a motor winding according to claim 3, wherein: the device comprises a frequency converter, a first half clamp and a second half clamp, wherein the frequency converter is used for converting a frequency range of a power supply, the frequency converter is provided with a frequency range of a power supply, the frequency range of the power supply is provided with a frequency range of a power supply, and the frequency range of the power supply is provided with a frequency range;
The first half clamp is provided with a locking bolt penetrating through the second half clamp, and a flat pad, a spring pad and a locking nut screwed on the locking bolt.
6. A connection structure of a frequency converter and a motor winding according to any one of claims 1-5, characterized in that: the first transfer copper bar comprises a first plate body and a first through hole which is formed in the first plate body and is in a rectangular array.
7. The connection structure of a frequency converter and a motor winding according to claim 6, wherein: the second transfer copper bar comprises a second plate body, a first bending part is arranged at one end, close to the first transfer copper bar, of the second plate body, the first bending part is parallel to the second plate body, a second bending part is arranged at one end, close to the third transfer copper bar, of the second plate body, and the second bending part is perpendicular to the second plate body; the first bending part and the second bending part are respectively provided with a second through hole in a rectangular array.
8. The connection structure of a frequency converter and a motor winding according to claim 7, wherein: the third switching copper bar comprises a third plate body, a third bending part and a fourth bending part which are parallel to each other and are bent reversely are arranged on the third plate body, and third through holes of rectangular arrays are formed in the third bending part and the fourth bending part.
9. The connection structure of a frequency converter and a motor winding according to claim 8, wherein: the connecting copper bar comprises a fourth plate body with a concave structure, and fourth through holes which correspond to each other in position and are in rectangular arrays are formed in two parallel side walls of the fourth plate body.
10. The connection structure of a frequency converter and a motor winding according to claim 9, wherein: the interval distance between the adjacent first through holes, the interval distance between the adjacent second through holes, the interval distance between the adjacent third through holes and the interval distance between the adjacent fourth through holes are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322960503.0U CN221081020U (en) | 2023-11-02 | 2023-11-02 | Connection structure of frequency converter and motor winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322960503.0U CN221081020U (en) | 2023-11-02 | 2023-11-02 | Connection structure of frequency converter and motor winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221081020U true CN221081020U (en) | 2024-06-04 |
Family
ID=91262512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322960503.0U Active CN221081020U (en) | 2023-11-02 | 2023-11-02 | Connection structure of frequency converter and motor winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221081020U (en) |
-
2023
- 2023-11-02 CN CN202322960503.0U patent/CN221081020U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3265517B2 (en) | Collective terminal for power distribution equipment | |
| KR102466610B1 (en) | Controller and motor assembly having the same | |
| CN221081020U (en) | Connection structure of frequency converter and motor winding | |
| US4270019A (en) | Connecting piece between cables and bus bars | |
| CN217544807U (en) | Battery cell module and battery pack with same | |
| EP3726672A1 (en) | Busbar connection apparatus, busbar bushing, and manufacturing method therefor | |
| JP2006210199A (en) | Terminal board | |
| CN215221045U (en) | Three-phase insulation voltage-resistant copper bar of new energy vehicle | |
| CN213124995U (en) | Waterproof sealing type flat cable transfer device structure | |
| CN115987001A (en) | Wiring sub-assembly, terminal box and motor | |
| CN207156976U (en) | Electrical connection module and cell managing device | |
| CN113437546A (en) | Three-phase insulation voltage-resistant copper bar of new energy vehicle | |
| KR102466611B1 (en) | Controller and motor assembly having the same | |
| CN221632501U (en) | Mounting structure of fuse | |
| CN219936826U (en) | Electrical apparatus | |
| CN216414106U (en) | Encoder and motor with same | |
| CN220896012U (en) | Bus bar | |
| CN216721272U (en) | Simple photovoltaic junction box and photovoltaic module | |
| CN220138722U (en) | Converging module | |
| CN213243014U (en) | Wiring mechanism of electric connector | |
| CN215934068U (en) | Busbar device and power equipment | |
| CN219779228U (en) | Binding post, wiring subassembly and electronic equipment | |
| CN114337039B (en) | Stator assembly and motor with same | |
| CN216016362U (en) | Motor junction box | |
| CN216928435U (en) | Plastic shell type circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |