CN211629336U - Composite busbar and magnetic suspension controller - Google Patents
Composite busbar and magnetic suspension controller Download PDFInfo
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- CN211629336U CN211629336U CN202020361710.8U CN202020361710U CN211629336U CN 211629336 U CN211629336 U CN 211629336U CN 202020361710 U CN202020361710 U CN 202020361710U CN 211629336 U CN211629336 U CN 211629336U
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Abstract
The utility model discloses a compound female row and magnetic levitation controller, compound female arranging includes: the insulation board, set up the first electric connecting terminal in one end of the insulation board, set up the second electric connecting terminal in another end of the insulation board; the first electric connecting terminal is perpendicular to the second electric connecting terminal, the first electric connecting terminal comprises a first positive connecting terminal and a first negative connecting terminal, and the second electric connecting terminal comprises a second positive connecting terminal and a second negative connecting terminal. In the composite busbar, the two ends of the insulating plate can be respectively connected with the electronic components, and cables are not required to be connected with the electronic components; moreover, the first electric connecting terminal is perpendicular to the second electric connecting terminal, so that the connection of electronic components in different installation directions can be met, the electronic components in different installation directions are prevented from being connected by cables, the operability of production and assembly is improved, and the maintenance and the repair are facilitated.
Description
Technical Field
The utility model relates to an electron electrical technology field, more specifically say, relate to a compound female row and magnetic levitation controller.
Background
The magnetic suspension train is a novel rail vehicle, and is provided with a magnetic suspension control system, so that the magnetic suspension train can run off a rail.
Electronic components in the magnetic suspension controller of the magnetic suspension control system are more, and the electronic components are connected through cables, so that the cables are more and miscellaneous, the operability of production and assembly is poor, and the maintenance is not convenient.
In addition, because the electronic components are connected by cables, the distance between the electronic components is small, so that the electronic components are easy to interfere with each other, and the performance and the working stability of the magnetic suspension controller are influenced.
In summary, how to simplify the internal cable of the magnetic levitation controller to improve the operability of production and assembly and facilitate maintenance and repair is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a compound female arranging to improve the maneuverability of production assembly, be convenient for maintain and maintain. Another object of the present invention is to provide a magnetic levitation controller with the above composite bus bar.
In order to achieve the above object, the utility model provides a following technical scheme:
a composite busbar comprising: the insulation board comprises a first electric connecting terminal arranged at one end of the insulation board and a second electric connecting terminal arranged at the other end of the insulation board;
wherein the first electrical connection terminal is perpendicular to the second electrical connection terminal, the first electrical connection terminal includes a first positive connection terminal and a first negative connection terminal, and the second electrical connection terminal includes a second positive connection terminal and a second negative connection terminal.
Preferably, the first electrical connection terminal or the second electrical connection terminal is parallel to the insulating plate.
Preferably, the wiring holes of the first positive connection terminal, the first negative connection terminal, the second positive connection terminal, and the second negative connection terminal are all kidney-shaped holes.
Preferably, the first electrical connection terminal is an electrical connection terminal for connecting a charging capacitor, and the second electrical connection terminal is an electrical connection terminal for connecting a power electronic device and an absorption capacitor.
Preferably, the first positive connection terminal and the first negative connection terminal are two, and the second positive connection terminal and the second negative connection terminal are four.
Preferably, the conductive portions of the first positive connection terminal, the first negative connection terminal, the second positive connection terminal, and the second negative connection terminal each include: a red copper member, a nickel layer covering the red copper member, and a tin layer covering the nickel layer; wherein the thickness of the nickel layer is 0.5-5 μm, and the thickness of the tin layer is 5-20 μm.
Preferably, the insulating plate is a rubber plate; the first positive connecting terminal and the first negative connecting terminal, and the second positive connecting terminal and the second negative connecting terminal are all isolated by an insulating part, and the insulating part is made of epoxy resin with a flame retardant grade of FR 4.
Preferably, the rated voltage between the positive connecting terminal and the negative connecting terminal in the composite busbar is 800V, the rated current of the composite busbar is 400A, the insulation withstand voltage between the positive connecting terminal and the negative connecting terminal is 3500VDC when the composite busbar passes through 2mA current in 60s, and the insulation resistance of the composite busbar is 20M Ω when DC1000V voltage is connected between the positive connecting terminal and the negative connecting terminal.
Preferably, the composite busbar is of an integrated structure.
Based on the above-mentioned female arranging that provides, the utility model also provides a magnetic levitation controller, this magnetic levitation controller include above-mentioned arbitrary compound female arranging.
The utility model provides a composite bus bar, through set up first electrical connection terminal and second electrical connection terminal respectively at the both ends of insulation board, first electrical connection terminal includes first positive connecting terminal and first negative connecting terminal, and second electrical connection terminal includes second positive connecting terminal and second negative connecting terminal, then can connect electronic components respectively at the both ends of insulation board, need not to adopt the cable again to connect electronic components; moreover, the first electric connecting terminal is perpendicular to the second electric connecting terminal, so that the connection of electronic components in different installation directions can be met, the electronic components in different installation directions are prevented from being connected by cables, the operability of production and assembly is improved, and the maintenance and the repair are facilitated. Meanwhile, the electronic components are distributed at the two ends of the insulating plate, and compared with the adoption of cable connection, the distance between the electronic components is increased, the mutual interference between the electronic components is reduced, and the influence on the performance and the working stability of the magnetic suspension controller is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a composite busbar provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a composite busbar provided in an embodiment of the present invention;
fig. 3 is a partial structural schematic diagram of a magnetic levitation controller provided in an embodiment of the present invention.
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 work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the embodiment of the present invention provides a composite busbar including: an insulating plate 13, a first electrical connection terminal 11 provided at one end of the insulating plate 13, a second electrical connection terminal 12 provided at the other end of the insulating plate 13; wherein the first electrical connection terminal 11 is perpendicular to the second electrical connection terminal 12, the first electrical connection terminal 11 comprises a first positive connection terminal 111 and a first negative connection terminal 112, and the second electrical connection terminal 12 comprises a second positive connection terminal 121 and a second negative connection terminal 122.
It will be appreciated that the first electrical connection terminal 11 and the second electrical connection terminal 12 are insulated and separated by an insulating plate 13. The first positive connection terminal 111 and the first negative connection terminal 112 are insulated from each other, and the second positive connection terminal 121 and the second negative connection terminal 122 are insulated from each other. The first positive connection terminal 111 and the second positive connection terminal 121 are both connected to the positive electrode of the electronic component, and the first negative connection terminal 112 and the second negative connection terminal 122 are both connected to the negative electrode of the electronic component. The paired first positive connection terminal 111 and first negative connection terminal 112 are connected to the same electronic component, and the paired second positive connection terminal 121 and second negative connection terminal 122 are connected to the same electronic component.
The embodiment of the utility model provides a compound female row, through set up first electrical connection terminal 11 and second electrical connection terminal 12 respectively at the both ends of insulation board 13, first electrical connection terminal 11 includes first positive connecting terminal 111 and first negative connecting terminal 112, second electrical connection terminal 12 includes second positive connecting terminal 121 and second negative connecting terminal 122, then can connect electronic components respectively at the both ends of insulation board 13, need not to adopt the cable again to connect electronic components; moreover, the first electrical connection terminal 11 is perpendicular to the second electrical connection terminal 12, so that connection of electronic components in different installation directions can be met, and the electronic components in different installation directions are prevented from being connected by cables, so that operability of production and assembly is improved, and convenience is brought to maintenance and repair. Meanwhile, the electronic components are distributed at the two ends of the insulating plate 13, and compared with the adoption of cable connection, the distance between the electronic components is increased, the mutual interference between the electronic components is reduced, and the influence on the performance and the working stability of the magnetic suspension controller is reduced.
In the composite busbar, the first electrical connection terminal 11 is perpendicular to the second electrical connection terminal 12, and the first electrical connection terminal 11, the second electrical connection terminal 12 and the insulating plate 13 are perpendicular to each other, or the first electrical connection terminal 11 or the second electrical connection terminal 12 is parallel to the insulating plate 13. The latter is preferably chosen for ease of connection and ease of placement.
In the composite busbar, the first positive connection terminal 111, the first negative connection terminal 112, the second positive connection terminal 121, and the second negative connection terminal 122 are each provided with a connection hole 14 for connecting an electronic component. When electronic components are connected, installation and positioning errors are easy to occur, so that deviation of hole positions occurs, and connection cannot be achieved. In order to avoid the above problem, it is preferable that the wiring holes 14 of the first positive connection terminal 111, the first negative connection terminal 112, the second positive connection terminal 121, and the second negative connection terminal 122 are all strip-shaped holes. Further, the strip-shaped holes are waist-shaped holes.
When the composite busbar is applied to a magnetic levitation controller, the first electrical connection terminal 11 is preferably used for connecting the charging capacitor 2, and the second electrical connection terminal 12 is preferably used for connecting the power electronic device 3 and the absorption capacitor 4.
The numbers of the first positive electrode connection terminal 111, the first negative electrode connection terminal 112, the second positive electrode connection terminal 121, and the second negative electrode connection terminal 122 are selected according to the numbers of the charging capacitor 2, the power electronic device 3, and the absorption capacitor 4.
In the above magnetic levitation controller, there are usually two charging capacitors 2, and four power electronic devices 3 and four absorption capacitors 4. At this time, the number of the first positive connection terminals 111 and the number of the first negative connection terminals 112 are two, and the number of the second positive connection terminals 121 and the number of the second negative connection terminals 122 are four.
Specifically, two first positive electrode connection terminals 111 are respectively connected to the positive electrodes of the two charging capacitors 2, and two first negative electrode connection terminals 112 are respectively connected to the negative electrodes of the two charging capacitors 2; the four second positive connection terminals 121 are respectively connected to the drains of the four power electronic devices 3 and the positive electrodes of the absorption capacitors 4; the four second negative electrode connection terminals 122 are respectively connected to the sources of the four power electronic devices 3 and the negative electrodes of the four absorption capacitors 4. Thus, the suspension current control of the two groups of electromagnets is realized.
At this time, the first electrical connection terminal 11 is parallel to the insulating plate 13, and the second electrical connection terminal 12 is perpendicular to the insulating plate 13.
In the composite busbar, the number of the first positive connection terminal 111, the first negative connection terminal 112, the second positive connection terminal 121, and the second negative connection terminal 122 may be selected to be other, and is not limited thereto.
Preferably, the conductive portions of the first positive connection terminal 111, the first negative connection terminal 112, the second positive connection terminal 121, and the second negative connection terminal 122 each include: the copper-clad plate comprises a red copper piece, a nickel layer covering the red copper piece and a tin layer covering the nickel layer. The size of the red copper piece, the thickness of the nickel layer and the thickness of the tin layer are selected according to actual requirements. Preferably, the nickel layer has a thickness of 0.5 μm to 5 μm and the tin layer has a thickness of 5 μm to 20 μm.
Of course, the conductive portion may have other structures, and is not limited to the above embodiment.
In the composite busbar, the size and material of the insulating plate 13 are selected according to actual needs. Preferably, the insulating plate 13 is a rubber plate. Of course, the insulating plate 13 may be made of other materials, such as silica gel, but is not limited thereto.
In the composite busbar, the first positive connection terminal 111 and the first negative connection terminal 112, and the second positive connection terminal 121 and the second negative connection terminal 122 are separated by an insulating part, and the insulating part is made of an epoxy resin with a flame retardant rating of FR4 for improved safety and reliability, thereby having superior insulation withstand voltage and insulation resistance.
It is understood that if the insulating plate 13 is a single layer, the insulating portion is provided in the insulating plate 13; if the insulating plate 13 has two layers, the insulating portion is provided in the two insulating plates 13.
Of course, the insulating portion may be made of other materials as long as the requirements are satisfied, and the present invention is not limited to the above embodiment.
Preferably, the rated voltage between the positive connection terminal and the negative connection terminal in the composite busbar is 800V, the rated current of the composite busbar is 400A, the insulation withstand voltage between the positive busbar and the negative busbar when 2mA current is passed through the composite busbar within 60s is 3500VDC, and the insulation resistance of the composite busbar when DC1000V voltage is connected between the positive busbar and the negative busbar is 20M Ω.
The positive connection terminal includes a first positive connection terminal 111 and a second positive connection terminal 121, and the negative connection terminal includes a first negative connection terminal 112 and a second negative connection terminal 122. The above "between the positive electrode connection terminal and the negative electrode connection terminal" means between the first positive electrode connection terminal 111 and the first negative electrode connection terminal 112, and/or between the second positive electrode connection terminal 121 and the second negative electrode connection terminal 122.
In the practical application process, the above parameters of the composite busbar can be selected to be other values according to the requirement, and the method is not limited to the above embodiment.
In order to realize the modularized installation and disassembly, the composite busbar is preferably selected to be of an integrated structure. Further, the composite busbar is of a packaging type integrated structure.
After the composite busbar provided by the embodiment is applied to the magnetic levitation controller, the use of cables is reduced, so that the connection of the cables is reduced, the inductance of a main loop of the magnetic levitation controller is reduced, the reliability and maintainability of the power electronic device 3 are improved, and meanwhile, the convenience and rapidness in installation and connection and the flexibility in disassembly are realized; the internal structure of the magnetic suspension controller is also simplified, the charging capacitor 2 and the power electronic device 3 are distributed along the vertical direction, the size is reduced, the design is simplified, and the overall stability of the magnetic suspension controller is improved.
Based on the composite busbar provided by the above embodiment, the embodiment also provides a magnetic suspension controller, and the magnetic suspension controller comprises the composite busbar provided by the above embodiment.
Because the composite busbar has the technical effect, and the magnetic suspension controller comprises the composite busbar, the magnetic suspension controller also has the corresponding technical effect, and the description is omitted herein.
Specifically, as shown in fig. 3, in the magnetic levitation controller, the composite busbar 1 is located on the same side of the charging capacitor 2 and the power electronic device 3, and the power electronic device 3 is located on the bottom side of the charging capacitor 2. The absorption capacitor 4 and the composite busbar 1 are located on the same side of the power electronic device 3, and the absorption capacitor 4 is located on the bottom side of the power electronic device 3. Of course, other ways to arrange the electronic components in the magnetic levitation controller can be selected, and the invention is not limited to this.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A composite busbar, comprising: an insulating plate (13), a first electrical connection terminal (11) provided at one end of the insulating plate (13), and a second electrical connection terminal (12) provided at the other end of the insulating plate (13);
wherein the first electrical connection terminal (11) is perpendicular to the second electrical connection terminal (12), the first electrical connection terminal (11) comprising a first positive connection terminal (111) and a first negative connection terminal (112), the second electrical connection terminal (12) comprising a second positive connection terminal (121) and a second negative connection terminal (122).
2. Composite busbar according to claim 1, characterized in that the first electrical connection terminal (11) or the second electrical connection terminal (12) is parallel to the insulating plate (13).
3. The composite busbar according to claim 1, wherein the wiring holes (14) of the first positive connection terminal (111), the first negative connection terminal (112), the second positive connection terminal (121), and the second negative connection terminal (122) are all kidney-shaped holes.
4. The composite busbar according to claim 1, wherein the first electrical connection terminal (11) is an electrical connection terminal for connecting a charging capacitor (2), and the second electrical connection terminal (12) is an electrical connection terminal for connecting a power electronic device (3) and an absorption capacitor (4).
5. The composite busbar according to claim 4, wherein the first positive connecting terminal (111) and the first negative connecting terminal (112) are both two, and the second positive connecting terminal (121) and the second negative connecting terminal (122) are both four.
6. The composite busbar according to claim 1, wherein the conductive portions of the first positive connection terminal (111), the first negative connection terminal (112), the second positive connection terminal (121), and the second negative connection terminal (122) each include: a red copper member, a nickel layer covering the red copper member, and a tin layer covering the nickel layer; wherein the thickness of the nickel layer is 0.5-5 μm, and the thickness of the tin layer is 5-20 μm.
7. The composite busbar according to claim 1, wherein the insulating plate (13) is a rubber plate; the first positive electrode connecting terminal (111) and the first negative electrode connecting terminal (112), and the second positive electrode connecting terminal (121) and the second negative electrode connecting terminal (122) are isolated by an insulating part, and the insulating part is made of epoxy resin with a flame retardant rating of FR 4.
8. The composite busbar according to claim 1, wherein the rated voltage between the positive connecting terminal and the negative connecting terminal in the composite busbar is 800V, the rated current of the composite busbar is 400A, the insulation withstand voltage between the positive connecting terminal and the negative connecting terminal is 3500VDC when the composite busbar passes 2mA current within 60s, and the insulation resistance of the composite busbar is 20M Ω when DC1000V voltage is connected between the positive connecting terminal and the negative connecting terminal.
9. The composite busbar according to any one of claims 1 to 8, wherein the composite busbar is a unitary structure.
10. A magnetic levitation controller comprising the composite busbar according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361710.8U CN211629336U (en) | 2020-03-20 | 2020-03-20 | Composite busbar and magnetic suspension controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020361710.8U CN211629336U (en) | 2020-03-20 | 2020-03-20 | Composite busbar and magnetic suspension controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211629336U true CN211629336U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020361710.8U Active CN211629336U (en) | 2020-03-20 | 2020-03-20 | Composite busbar and magnetic suspension controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211629336U (en) |
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2020
- 2020-03-20 CN CN202020361710.8U patent/CN211629336U/en active Active
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