CN214589299U - Bus structure, electronic component and electrical equipment - Google Patents
Bus structure, electronic component and electrical equipment Download PDFInfo
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- CN214589299U CN214589299U CN202120528609.1U CN202120528609U CN214589299U CN 214589299 U CN214589299 U CN 214589299U CN 202120528609 U CN202120528609 U CN 202120528609U CN 214589299 U CN214589299 U CN 214589299U
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Abstract
The utility model discloses a bus structure, electron unit ware subassembly and electrical equipment, this bus structure includes first current conducting plate, second current conducting plate and first insulation layer, be provided with first connection terminal on the first current conducting plate, be provided with second connecting terminal on the second current conducting plate, second current conducting plate and the range upon range of setting of first current conducting plate, first connection terminal and the range upon range of setting of second connection terminal part all set up the first insulation layer between first current conducting plate and second current conducting plate and between first connection terminal and second connecting terminal. The utility model discloses technical scheme can reduce the volume of generating line structure through the range upon range of setting of first current conducting plate and second current conducting plate, is convenient for connect, and first connecting terminal sets up with the range upon range of second connecting terminal part simultaneously, through the range upon range of area of non-that reduces first connecting terminal and second connecting terminal, can reduce the stray inductance of generating line structure.
Description
Technical Field
The utility model relates to an electrical equipment technical field, in particular to generating line structure, electron first ware subassembly and electrical equipment.
Background
The motor controller is a common electrical device, can be applied to the electric automobile, and along with the rapid development of the electric automobile, the demand of the motor controller is gradually increased, so that the motor controller has a wide market prospect.
The motor controller comprises a capacitor assembly and a power module, wherein the power module is used for converting direct current into alternating current, the capacitor assembly comprises a capacitor and a bus, the bus is used for connecting pins of the capacitor and the power module, however, the bus used in the current market can generate large stray inductance, and normal operation of the motor controller is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a bus structure aims at solving the technical problem that the generating line produces great stray inductance.
In order to achieve the above object, the utility model provides a bus structure includes:
the first conductive plate is provided with a first connecting terminal;
a second conductive plate on which a second connection terminal is provided, the second conductive plate being stacked on the first conductive plate, the first connection terminal being stacked on the second connection terminal portion;
and a first insulating layer provided between the first conductive plate and the second conductive plate and between the first connection terminal and the second connection terminal.
Optionally, the first connection terminal includes a connection portion and a laminated portion connected to the connection portion, and the laminated portion is laminated to the second connection terminal;
the connecting part is provided with a first connecting column, the second connecting terminal faces away from one side of the first connecting terminal and is provided with a second connecting column, and the first connecting column and the second connecting column are located on the same side of the first connecting terminal.
Optionally, an edge of the stacked portion is flush with an edge of the second connection terminal.
Optionally, the first connecting column and the second connecting column are both provided with threads.
Optionally, the first conductive plate is provided with a first conductive terminal, the second conductive plate is provided with a second conductive terminal, and the first conductive terminal and the second conductive terminal are located on the same side of the first conductive plate or the second conductive plate.
Optionally, the first conductive plate and the second conductive plate are bent at least once.
Optionally, the bus bar structure further includes:
the second insulating layer is arranged on one side, away from the first insulating layer, of the first conducting plate or/and the second conducting plate.
Optionally, the first connection terminal and the second connection terminal are both at least two, and the first connection terminal and the second connection terminal are arranged in a one-to-one correspondence manner.
The utility model also provides an electronic component, this electronic component includes:
the bus structure according to any one of the above technical solutions;
and pins of the electronic component are respectively and electrically connected with the first current-conducting plate and the second current-conducting plate.
The utility model also provides an electrical equipment, this electrical equipment includes:
the electronic component according to any of the above aspects;
and the first connecting terminal is electrically connected with the first electrode of the power module, and the second connecting terminal is electrically connected with the second electrode of the power module.
Optionally, the electrical device further comprises:
the casing, be provided with in the casing and hold the chamber, electronic components set up in hold the intracavity.
Optionally, the accommodating cavity is filled with a pouring sealant.
The first current-conducting plate and the second current-conducting plate of the technical proposal of the utility model are both conductors and are used for bearing current; the first connecting terminal is arranged on the first current-conducting plate, the second connecting terminal is arranged on the second current-conducting plate, and the first connecting terminal and the second connecting terminal are used for electrically connecting other external modules and can be conveniently connected, for example, when a bus structure is applied to a motor controller, the first connecting terminal and the second connecting terminal are used for connecting a power module; the first conductive plate and the second conductive plate are arranged in a stacked mode, so that the size of the bus structure can be reduced, the bus structure is convenient to connect, stray inductance can be reduced, and meanwhile the first connecting terminal and the second connecting terminal are arranged in a stacked mode to further reduce the stray inductance of the bus structure by reducing the non-stacked area of the first connecting terminal and the second connecting terminal; first insulating layers are arranged between the first conducting plate and the second conducting plate and between the first connecting terminal and the second connecting terminal, so that an insulating effect is achieved through the first insulating layers, and the first connecting terminal and the second connecting terminal are prevented from being short-circuited.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 schematic structural diagram of an embodiment of an electrical apparatus of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic diagram of the electronic component of FIG. 1;
FIG. 4 is a first schematic structural diagram of the bus structure of FIG. 3;
FIG. 5 is a second schematic structural view of the bus structure of FIG. 3;
fig. 6 is an exploded view of the bus bar structure of fig. 3.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | First |
11 | First connecting |
| 111 | Connecting |
112 | Laminated |
| 12 | First connecting |
13 | First |
| 2 | Second |
21 | Second connecting |
| 22 | Second connecting |
23 | Second conductive terminal |
| 3 | A first insulating layer | 4 | A second |
| 5 | Electronic component | 6 | |
| 7 | |
71 | Containing |
| 8 | Avoiding hole |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a bus structure for solve the great technical problem of generating line stray inductance in the use.
In the embodiment of the present invention, as shown in fig. 4 and fig. 6, the bus structure includes a first conductive plate 1, a second conductive plate 2 and a first insulating layer 3, a first connection terminal 11 is disposed on the first conductive plate 1, a second connection terminal 21 is disposed on the second conductive plate 2, the second conductive plate 2 is stacked with the first conductive plate 1, the first connection terminal 11 and the second connection terminal 21 are partially stacked, and the first insulating layer 3 is disposed between the first conductive plate 1 and the second conductive plate 2 and between the first connection terminal 11 and the second connection terminal 21.
The first current-conducting plate 1 and the second current-conducting plate 2 of the technical proposal of the utility model are both conductors for carrying current; the first connection terminal 11 is arranged on the first conductive plate 1, the second connection terminal 21 is arranged on the second conductive plate 2, and the first connection terminal 11 and the second connection terminal 21 are used for electrically connecting other external modules, so that the connection can be facilitated, for example, when a bus structure is applied to a motor controller, the first connection terminal 11 and the second connection terminal 21 are used for connecting the power module 6; the first conductive plate 1 and the second conductive plate 2 are stacked, so that the volume of the bus structure can be reduced, the connection is convenient, and the stray inductance can be reduced; the first insulating layer 3 is disposed between the first conductive plate 1 and the second conductive plate 2 and between the first connection terminal 11 and the second connection terminal 21, so as to perform an insulating function through the first insulating layer 3, thereby preventing the first connection terminal 11 and the second connection terminal 21 from being short-circuited.
In one embodiment, the first conductive plate 1 and the second conductive plate 2 are both copper bars.
In one embodiment, the first connection terminal 11 is a copper sheet, and the first connection terminal 11 is integrally formed with the first conductive plate 1; the second connection terminal 21 is a copper sheet, and the second connection terminal 21 and the second conductive plate 2 are integrally formed.
In an embodiment, as shown in fig. 6, the first connection terminal 11 includes a connection portion 111 and a lamination portion 112 connected to the connection portion 111, the lamination portion 112 is disposed in lamination with the second connection terminal 21, and by laminating the lamination portion 112 and the second connection terminal 21, a non-lamination area of the first connection terminal 11 and the second connection terminal 21 is reduced, so that stray inductance of the bus bar structure is reduced, and the connection portion 111 can be conveniently electrically connected to the power module 6.
In an embodiment, as shown in fig. 4 and 5, the connecting portion 111 is provided with a first connecting post 12, a side of the second connecting terminal 21 facing away from the first connecting terminal 11 is provided with a second connecting post 22, and the first connecting post 12 and the second connecting post 22 are located on the same side of the first connecting terminal 11. The first connecting column 12 and the second connecting column 22 are used for being electrically connected with the power module 6, so that the first connecting terminal 11 and the second connecting terminal 21 can be electrically connected with the power module 6 conveniently through the first connecting column 12 and the second connecting column 22, and the connection stability is improved; first spliced pole 12 and second spliced pole 22 are located the same side of first connecting terminal 11, conveniently are connected first spliced pole 12 and second spliced pole 22 with power module 6, can also be convenient for reduce the non-range upon range of area of first connecting terminal 11 and second connecting terminal 21.
In one embodiment, as shown in fig. 4, the edge of the laminated portion 112 is flush with the edge of the second connection terminal 21, so that the second connection terminal 21 is completely laminated with the laminated portion 112, thereby reducing the non-laminated area of the first connection terminal 11 and the second connection terminal 21 and avoiding the non-laminated portion after the second connection terminal 21 is laminated with the laminated portion 112.
In an embodiment, the first connection post 12 and the second connection post 22 are both provided with threads, so that the terminals of the power module 6 are fixed on the first connection post 12 and the second connection post 22 through nuts, and the stability of the electrical connection between the first connection post 12 and the power module 6 and the second connection post 22 is improved.
In one embodiment, the first connecting post 12 and the second connecting post 22 are both screws, specifically, clinch screws.
In an embodiment, as shown in fig. 5 and fig. 6, the first conductive plate 1 is provided with a first conductive terminal 13, the second conductive plate 2 is provided with a second conductive terminal 23, and the first conductive terminal 13 and the second conductive terminal 23 are located at the same side of the first conductive plate 1 or the second conductive plate 2, so that the first conductive plate 1 and the second conductive plate 2 are respectively electrically connected to other electronic components 5 through the first conductive terminal 13 and the second conductive terminal 23, for example, when the bus structure is applied in a motor controller, the first conductive terminal 13 and the second conductive terminal 23 are respectively electrically connected to different pins of a capacitor.
In an embodiment, as shown in fig. 4 and 6, the second conductive plate 2 is provided with an avoiding hole 8, and the first conductive terminal 13 passes through the avoiding hole 8, so that the first conductive terminal 13 and the second conductive terminal 23 are located on the same side of the second conductive plate 2; or
The first conductive plate 1 is provided with a avoiding hole 8, and the second conductive terminal 23 penetrates through the avoiding hole 8, so that the first conductive terminal 13 and the second conductive terminal 23 are located on the same side of the first conductive plate 1.
In an embodiment, as shown in fig. 5, the first conductive terminals 13 are uniformly disposed on the first conductive plate 1, and the second conductive terminals 23 are uniformly disposed on the second conductive plate 2, so as to electrically connect different pins of the capacitor with the first conductive terminals 13 and the second conductive terminals 23, respectively.
In one embodiment, as shown in fig. 4 and 5, the first conductive plate 1 and the second conductive plate 2 are bent at least once, so that the first conductive plate 1 and the second conductive plate 2 extend along the surface of the capacitor, thereby reducing the volume occupied by the first conductive plate 1 and the second conductive plate 2.
In an embodiment, as shown in fig. 5 and fig. 6, the bus bar structure further includes a second insulating layer 4, where the second insulating layer 4 is disposed on a side of the first conductive plate 1 away from the first insulating layer 3; or
The second insulating layer 4 is arranged on one side of the second conductive plate 2, which is far away from the first insulating layer 3; or
The second insulating layer 4 is disposed on a side of the first conductive plate 1 departing from the first insulating layer 3, and the second insulating layer 4 is disposed on a side of the second conductive plate 2 departing from the first insulating layer 3.
When the bus structure of this embodiment is used in practice, the second insulating layer 4 can be provided according to practical situations, so that the first conductive plate 1 and the second conductive plate 2 are not in contact with other conductors, for example, if the first conductive plate 1 is closer to the metal shell, the second insulating layer 4 can be provided on the side of the first conductive plate 1 away from the first insulating layer 3, the first conductive plate 1 is insulated from the metal shell by the second insulating layer 4, and accidents such as short circuit are avoided.
In one embodiment, the first conductive plate 1, the second conductive plate 2, the first insulating layer 3, and the second insulating layer 4 are bonded together.
In an embodiment, as shown in fig. 4, the first connection terminal 11 and the second connection terminal 21 are at least two, the first connection terminal 11 and the second connection terminal 21 are arranged in a one-to-one correspondence manner, and the number of the first connection terminal 11 and the second connection terminal 21 can be set according to actual conditions, so that the first connection terminal 11 and the second connection terminal 21 can be connected with the corresponding interfaces of the power module 6, thereby reducing the number of bus bars and simplifying the structure.
As shown in fig. 3, the present invention further provides an electronic component assembly, which includes an electronic component 5 and the bus structure mentioned in any of the above embodiments, wherein the pins of the electronic component 5 are electrically connected to the first conductive plate 1 and the second conductive plate 2 respectively.
The utility model provides an electronic component subassembly includes electronic components 5 and bus structure, and the concrete structure of this bus structure refers to above-mentioned embodiment, because this electronic component subassembly has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least.
In an embodiment, the electronic component 5 is a capacitor, the electronic component assembly is a capacitor assembly, and the pins of the capacitor with different polarities are electrically connected to the first conductive plate 1 and the second conductive plate 2, respectively.
It can be understood that the number of the pins of the capacitor can be set according to the practical application scenario, for example, the pins of the capacitor can be two pins consisting of one positive electrode and one negative electrode, or four pins consisting of two positive electrodes and two negative electrodes.
As shown in fig. 1 and fig. 2, the embodiment of the present invention further provides an electrical device, which includes a power module 6 and the electronic component described in any of the above embodiments, wherein the first connection terminal 11 is electrically connected to the first electrode of the power module 6, and the second connection terminal 21 is electrically connected to the second electrode of the power module 6.
The embodiment of the utility model provides an electrical equipment includes power module 6 and electron unit ware subassembly, and the concrete structure of this electron unit ware subassembly refers to above-mentioned embodiment, because this electrical equipment has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least.
In one embodiment, the power module 6 is configured to convert direct current to alternating current.
In an embodiment, as shown in fig. 2, the electrical equipment further includes a housing 7, a containing cavity 71 is provided in the housing 7, the electronic component 5 is disposed in the containing cavity 71, heat generated by the electronic component 5 and the bus structure can directly reach the housing 7, and heat dissipation is performed through heat exchange of the housing 7, compared with a scheme that the electronic component 5 is disposed in a plastic shell and heat generated by the electronic component 5 is required to pass through the plastic shell and the housing 7 of the electrical equipment in the prior art, heat dissipation efficiency of the electrical equipment is greatly improved.
In an embodiment, the accommodating cavity 71 is filled with a potting adhesive (not shown), the potting adhesive has a good heat conduction performance, heat generated by the electronic component 5 and the bus structure can be dissipated by heat exchange between the potting adhesive and the housing 7, so as to improve the heat dissipation efficiency of the electrical equipment, and meanwhile, the potting adhesive also has an effect of fixing the electronic element assembly, so that the electronic element assembly is prevented from shifting under the condition of vibration.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (12)
1. A bus bar structure, comprising:
the first conductive plate is provided with a first connecting terminal;
a second conductive plate on which a second connection terminal is provided, the second conductive plate being stacked on the first conductive plate, the first connection terminal being stacked on the second connection terminal portion;
and a first insulating layer provided between the first conductive plate and the second conductive plate and between the first connection terminal and the second connection terminal.
2. The bus bar structure according to claim 1, wherein the first connection terminal includes a connection portion and a laminated portion connected to the connection portion, the laminated portion being arranged in a laminated manner with the second connection terminal;
the connecting part is provided with a first connecting column, the second connecting terminal faces away from one side of the first connecting terminal and is provided with a second connecting column, and the first connecting column and the second connecting column are located on the same side of the first connecting terminal.
3. The bus bar structure according to claim 2, wherein an edge of the laminated portion is flush with an edge of the second connection terminal.
4. The bus bar structure of claim 2 wherein the first connecting stud and the second connecting stud are each threaded.
5. The bus bar structure of claim 1, wherein the first conductive plate has a first conductive terminal disposed thereon, the second conductive plate has a second conductive terminal disposed thereon, and the first conductive terminal and the second conductive terminal are located on a same side of the first conductive plate or the second conductive plate.
6. The bus bar structure of claim 1, wherein the first conductive plate and the second conductive plate are each bent at least once.
7. The bus bar structure of claim 1, further comprising:
the second insulating layer is arranged on one side, away from the first insulating layer, of the first conducting plate or/and the second conducting plate.
8. The bus bar structure according to claim 1, wherein the first connection terminal and the second connection terminal are provided in at least two, and the first connection terminal and the second connection terminal are provided in one-to-one correspondence.
9. An electronic component, the electronic component comprising:
the bus bar structure of any one of claims 1-8;
and pins of the electronic component are respectively and electrically connected with the first current-conducting plate and the second current-conducting plate.
10. An electrical device, characterized in that it comprises:
the electronic component of claim 9;
and the first connecting terminal is electrically connected with the first electrode of the power module, and the second connecting terminal is electrically connected with the second electrode of the power module.
11. The electrical device of claim 10, further comprising:
the casing, be provided with in the casing and hold the chamber, electronic components set up in hold the intracavity.
12. The electrical apparatus of claim 11, wherein the receiving cavity is filled with a potting adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120528609.1U CN214589299U (en) | 2021-03-11 | 2021-03-11 | Bus structure, electronic component and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120528609.1U CN214589299U (en) | 2021-03-11 | 2021-03-11 | Bus structure, electronic component and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589299U true CN214589299U (en) | 2021-11-02 |
Family
ID=78354003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120528609.1U Active CN214589299U (en) | 2021-03-11 | 2021-03-11 | Bus structure, electronic component and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214589299U (en) |
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2021
- 2021-03-11 CN CN202120528609.1U patent/CN214589299U/en active Active
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