CN218920247U - Three-phase alternating current copper bar radiating assembly - Google Patents
Three-phase alternating current copper bar radiating assembly Download PDFInfo
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- CN218920247U CN218920247U CN202223066617.2U CN202223066617U CN218920247U CN 218920247 U CN218920247 U CN 218920247U CN 202223066617 U CN202223066617 U CN 202223066617U CN 218920247 U CN218920247 U CN 218920247U
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Abstract
The utility model provides a three-phase alternating current copper bar radiating assembly, which comprises a three-phase copper bar injection molding piece and a base arranged below the three-phase copper bar injection molding piece, wherein the three-phase copper bar injection molding piece is provided with a three-phase copper bar and an alternating current copper bar; a support frame is arranged between the three-phase copper bar and the base, three through holes are formed in positions, corresponding to the three-phase copper bar, of the support frame, cooling bosses are arranged on the base, and the cooling bosses penetrate through the through holes to be in contact with the three-phase copper bar; a flexible heat conducting pad is arranged between each phase of copper bar and the supporting frame, so that the cooling boss passes through the through hole to be in contact with the flexible heat conducting pad, and is indirectly in contact with the three-phase copper bars; the three flexible heat conducting pads are not communicated with each other. The utility model can effectively dissipate heat of the three-phase copper bar; the flexible heat conducting pad is supported and limited by the support frame, so that the current carrying capacity of the copper bar is improved, and the design requirements of heat dissipation and creepage are met in a smaller design space; and the vibration resistance level of the three-phase copper bar injection molding piece can be improved by utilizing the buffer of the flexible heat conducting pad.
Description
Technical Field
The utility model relates to the technical field of three-phase alternating current copper bars, in particular to a three-phase alternating current copper bar radiating assembly.
Background
In the high-voltage power transmission products such as new energy automobiles, the motor controller converts two-phase direct current into three-phase alternating current through the power electronic power module and outputs the three-phase alternating current to the motor under any climatic conditions and any automobile application working conditions, and the driving force is generated in a changing magnetic field to drive the electric automobile.
The overheating of the three-phase copper bar in the prior art causes overlarge resistance, so that the temperature in the electric control is increased sharply, and the internal components are damaged.
Disclosure of Invention
In order to overcome the technical defects, the utility model aims to provide the three-phase alternating current copper bar radiating assembly which can improve the current carrying capacity of the copper bar and the vibration-proof grade of the injection molding assembly on the basis of radiating.
The utility model discloses a three-phase alternating current copper bar radiating assembly, which comprises a three-phase copper bar injection molding piece and a base arranged below the three-phase copper bar injection molding piece, wherein the three-phase copper bar injection molding piece is provided with a three-phase copper bar and an alternating current copper bar; a support frame is arranged between the three-phase copper bar and the base, three through holes are formed in positions, corresponding to the three-phase copper bar, of the support frame, cooling bosses are arranged on the base, and the cooling bosses penetrate through the through holes to be in contact with the three-phase copper bar; a flexible heat conduction pad is arranged between each phase of copper bar and the supporting frame, so that the cooling boss passes through the through hole to be in contact with the flexible heat conduction pad, and is indirectly in contact with the three-phase copper bar; the three flexible heat conducting pads are not communicated with each other.
Preferably, three grooves are respectively arranged on the support frame and correspond to the three-phase copper bars, and the three flexible heat conduction pads are respectively limited in the grooves.
Preferably, one end or one side of the supporting frame is provided with a first connecting lug; be equipped with first through-hole on the first connecting lug, on the base with the corresponding position of first connecting lug is equipped with the screw hole, and the bolt passes first through-hole with the screw hole cooperation, thereby makes the support frame is fixed in on the base.
Preferably, one end or one side of the supporting frame is provided with a second connecting lug; the second connecting lug is provided with a second through hole, a pin hole is formed in the base corresponding to the second connecting lug, and a screw bolt penetrates through the second through hole and is inserted into the pin hole, so that the supporting frame is fixed on the base; the first connecting lug and the second connecting lug are respectively arranged at one end and one side of the supporting frame so as to limit the longitudinal displacement and the transverse displacement of the supporting frame at the same time.
Preferably, the flexible heat conducting pad is made of silica gel.
Preferably, the thickness of the flexible heat conduction pad is 1-3mm.
Preferably, the cooling boss and the through hole are rectangular, and four corners of the rectangle are in arc transition.
Preferably, the area of the bottom surface of the cooling boss is larger than the area of the top surface, so that the vertical section of the cooling boss is trapezoid.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. the three-phase copper bar transfers heat to the cooling boss through the flexible heat conducting pad, so that the heat is transferred to the base, and the three-phase copper bar can be effectively radiated; the flexible heat conducting pad is supported and limited by the support frame, so that the current carrying capacity of the copper bar is improved, and the design requirements of heat dissipation and creepage are met in a smaller design space; and the vibration resistance level of the three-phase copper bar injection molding piece can be improved by utilizing the buffer of the flexible heat conducting pad.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a three-phase ac copper bar heat dissipating assembly according to the present utility model.
Wherein: 1-U phase copper bar, 2-V phase copper bar, 3-boost alternating current copper bar, 4-W phase copper bar, 5-flexible heat conduction pad, 6-support frame and 7-cooling boss.
Detailed Description
Advantages of the utility model are further illustrated in the following description, taken in conjunction with the accompanying drawings and detailed description.
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present utility model, and are not of specific significance per se. Thus, "module" and "component" may be used in combination.
Referring to fig. 1, the utility model discloses a three-phase alternating current copper bar radiating assembly, which comprises a three-phase copper bar injection molding piece and a base arranged below the three-phase copper bar injection molding piece, wherein the three-phase copper bar injection molding piece is provided with a three-phase copper bar and an alternating current copper bar. Specifically, the three-phase copper bars are a U-phase copper bar 1, a V-phase copper bar 2 and a W-phase copper bar 4 respectively, the alternating current copper bar is a boost alternating current copper bar 3, the U-phase copper bar 1, the V-phase copper bar 2 and the W-phase copper bar 4 are arranged on the same side of the injection molding piece respectively, and the boost alternating current copper bar 3 is arranged on the opposite side of the three-phase copper bar.
Be equipped with support frame 6 between three-phase copper bar and the base, support frame 6 and the corresponding position of three-phase copper bar are equipped with three through-holes, are equipped with cooling boss 7 on the base, and cooling boss 7 passes through the through-hole and contacts with three-phase copper bar. Further, flexible heat conducting pads 5 are arranged between each phase of copper bar and the supporting frame 6, so that the cooling bosses 7 penetrate through the through holes to be in contact with the flexible heat conducting pads 5, thereby being in indirect contact with the three-phase copper bars, and the three flexible heat conducting pads 5 are not communicated with each other, so that heat dissipation from the three-phase copper bars to the base is realized.
The three-phase copper bar transfers heat to the cooling boss 7 through the flexible heat conducting pad 5, so that the heat is transferred to the base, and the base can dissipate heat of the three-phase copper bar by means of the water channel and self heat dissipation due to the water channel arranged around the bottom in the motor whole assembly. The flexible heat conducting pad 5 is supported and limited by the support frame 6, the current carrying capacity of the copper bar is improved, and the heat dissipation and creepage design requirements are met in a smaller design space; and the vibration resistance level of the three-phase copper bar injection molding piece is improved through the buffer of the flexible heat conducting pad 5.
Preferably, three grooves are respectively arranged on the support frame 6 corresponding to the three-phase copper bars, and three flexible heat conducting pads 5 are respectively limited in the grooves.
In another preferred embodiment, a plurality of protrusions are further arranged on the plane of the groove for receiving the flexible heat conducting pad 5, or polishing treatment is performed, so that friction between the flexible heat conducting pad 5 and the groove is large, and slipping is not easy to occur. This embodiment may be implemented alone or in combination with the provision of the grooves.
Preferably, one end or one side of the supporting frame 6 is provided with a first connecting lug; be equipped with first through-hole on the first connecting lug, be equipped with the screw hole with the corresponding position of first connecting lug on the base, the bolt passes first through-hole and screw hole cooperation to make support frame 6 be fixed in on the base.
Further, a second connecting lug is arranged at one end or one side of the supporting frame 6; the second connecting lug is provided with a second through hole, a pin hole is arranged on the base corresponding to the second connecting lug, and the screw bolt penetrates through the second through hole and is inserted into the pin hole, so that the supporting frame 6 is fixed on the base.
It should be noted that, when the first connecting ear and the second connecting ear are provided at the same time, the first connecting ear and the second connecting ear are respectively provided at one end and one side of the supporting frame 6, so as to limit the longitudinal displacement and the lateral displacement of the supporting frame 6 at the same time.
In the preferred embodiment provided by the utility model, the first connecting lug is arranged on one side of the support frame 6, and the second connecting lug is arranged on one end of the support frame 6, so that the bolt connection structure provides a more fixed fixing effect for the lateral displacement of the support frame 6 compared with the bolt structure.
Preferably, the base comprises a first step on which the cooling boss 7 is provided, and a second step lower than the first step, on which the pin hole is provided, and the threaded hole is provided. The support frame 6 comprises a horizontal support surface and a vertical support side surface arranged on one side of the horizontal support surface, and the horizontal support surface and the vertical support side surface jointly cover the first step.
Preferably, the flexible heat conducting pad 5 is made of silica gel or rubber.
Preferably, the thickness of the flexible thermal pad 5 is 1-3mm, and in the preferred embodiment provided by the utility model, the thickness of the flexible thermal pad 5 is 2mm.
Preferably, the cooling boss 7 and the through hole are rectangular, and four corners of the rectangle are in arc transition, so that the acute angle damage structure is prevented.
Preferably, the area of the bottom surface of the cooling boss 7 is larger than the area of the top surface, so that the vertical section of the cooling boss 7 is trapezoid, and heat on the copper bar can be well received and dispersed on the base.
Preferably, the injection molding is made of polyhexamethylene adipamide and glass fiber, wherein the proportion of the glass fiber is 40%.
It should be noted that the embodiments of the present utility model are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present utility model, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present utility model still falls within the scope of the technical scope of the present utility model.
Claims (8)
1. The three-phase alternating current copper bar radiating assembly is characterized by comprising a three-phase copper bar injection molding piece and a base arranged below the three-phase copper bar injection molding piece, wherein the three-phase copper bar injection molding piece is provided with a three-phase copper bar and an alternating current copper bar;
a support frame is arranged between the three-phase copper bar and the base, three through holes are formed in positions, corresponding to the three-phase copper bar, of the support frame, cooling bosses are arranged on the base, and the cooling bosses penetrate through the through holes to be in contact with the three-phase copper bar;
a flexible heat conduction pad is arranged between each phase of copper bar and the supporting frame, so that the cooling boss passes through the through hole to be in contact with the flexible heat conduction pad, and is indirectly in contact with the three-phase copper bar;
the three flexible heat conducting pads are not communicated with each other.
2. The three-phase alternating current copper bar radiating assembly according to claim 1, wherein three grooves are respectively formed in positions, corresponding to the three-phase copper bars, on the supporting frame, and the three flexible heat conducting pads are respectively limited in the grooves.
3. The three-phase alternating current copper bar heat dissipation assembly according to claim 1, wherein one end or one side of the support frame is provided with a first connecting lug;
be equipped with first through-hole on the first connecting lug, on the base with the corresponding position of first connecting lug is equipped with the screw hole, and the bolt passes first through-hole with the screw hole cooperation, thereby makes the support frame is fixed in on the base.
4. The three-phase alternating current copper bar heat dissipation assembly according to claim 3, wherein one end or one side of the support frame is provided with a second connecting lug;
the second connecting lug is provided with a second through hole, a pin hole is formed in the base corresponding to the second connecting lug, and a screw bolt penetrates through the second through hole and is inserted into the pin hole, so that the supporting frame is fixed on the base;
the first connecting lug and the second connecting lug are respectively arranged at one end and one side of the supporting frame so as to limit the longitudinal displacement and the transverse displacement of the supporting frame at the same time.
5. The three-phase ac copper bar heat sink assembly of claim 1, wherein the flexible thermal pad is a silicone material.
6. The three-phase ac copper bar heat sink assembly according to claim 1 or 5, wherein the flexible thermal pad has a thickness of 1-3mm.
7. The three-phase ac copper bar heat sink assembly of claim 1, wherein the cooling boss, the through hole are rectangular, and four corners of the rectangle are arc transitions.
8. The three-phase ac copper bar heat sink assembly of claim 1, wherein the area of the bottom surface of the cooling boss is greater than the area of the top surface such that the vertical cross section of the cooling boss is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223066617.2U CN218920247U (en) | 2022-11-18 | 2022-11-18 | Three-phase alternating current copper bar radiating assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223066617.2U CN218920247U (en) | 2022-11-18 | 2022-11-18 | Three-phase alternating current copper bar radiating assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218920247U true CN218920247U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223066617.2U Active CN218920247U (en) | 2022-11-18 | 2022-11-18 | Three-phase alternating current copper bar radiating assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218920247U (en) |
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2022
- 2022-11-18 CN CN202223066617.2U patent/CN218920247U/en active Active
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