CN209948970U - Electronic power controller and assembly thereof - Google Patents
Electronic power controller and assembly thereof Download PDFInfo
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- CN209948970U CN209948970U CN201822246929.9U CN201822246929U CN209948970U CN 209948970 U CN209948970 U CN 209948970U CN 201822246929 U CN201822246929 U CN 201822246929U CN 209948970 U CN209948970 U CN 209948970U
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- 238000009413 insulation Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses an electronic power controller subassembly, include: the bearing plate penetrates through the upper surface and the lower surface of the bearing plate and is provided with a plurality of second slotted holes, and the two opposite sides of each second slotted hole are respectively a first edge and a second edge; a power module located under the support plate and including a terminal hole; the plurality of connectors comprise insulation bodies and a plurality of conductive terminals, the conductive terminals are fixed on the insulation bodies, each conductive terminal comprises a press-in pin, the press-in pins of the conductive terminals of each connector penetrate through the second slotted holes and are press-in connected to the terminal holes of the power module, and the insulation bodies are pressed against the upper surfaces of the first edges and the second edges of the slotted holes. The scheme of the utility model makes the extrusion force of connector distribute at the electronic control shell of electric power uniformly, has ensured the firm connection of conductive terminal, realizes good mechanical strength and electrical property.
Description
Technical Field
The utility model relates to a power electronic technology field especially relates to power electronic controller and subassembly thereof.
Background
High-power alternating current motors (e.g., induction motors or permanent magnet synchronous motors) are widely used in the field of electric vehicles as driving motors. In a motor drive system of an electric vehicle, a Power Electronic Unit (PEU) inverts a dc high voltage input from a Power battery into an ac high voltage as a current input for driving a motor. Meanwhile, as a control signal interface circuit and a driving motor control circuit, the PEU receives a control signal transmitted from, for example, a vehicle control unit vcu (vehicular control unit) and adjusts the rotation speed of the driving motor. The PEU also makes corresponding feedback according to signals such as motor temperature, speed and power, and then feeds the signals back to the VCU and the driving motor, thereby playing a role in controlling the driving motor.
As shown in fig. 1, a connector including conductive terminals is connected to the PEU, thereby enabling transmission of control signals. In a typical assembly process, the conductive terminals are connected to the power module inside the PEU through the connector, and since the deformation of the PEU housing supporting the connector due to the uneven distribution of the pressing force applied to the PEU housing and the unreliable connection between the signal terminals and the power module affect the mechanical strength and electrical performance of the PEU, a new technical solution is necessary to solve the problem.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an electric power electronic controller subassembly, it can realize good being connected between conductive terminal and the electric power electronic controller power module.
According to the utility model discloses an electric power electronic controller subassembly, include
The bearing plate penetrates through the upper surface and the lower surface of the bearing plate and is provided with a plurality of second slotted holes, and the two opposite sides of each second slotted hole are respectively a first edge and a second edge;
a power module located under the support plate and including a terminal hole;
the plurality of connectors comprise insulation bodies and a plurality of conductive terminals, the conductive terminals are fixed on the insulation bodies, each conductive terminal comprises a press-in pin, the press-in pins of the conductive terminals of each connector penetrate through the second slotted holes and are press-in connected to the terminal holes of the power module, and the insulation bodies are pressed against the upper surfaces of the first edges and the second edges of the slotted holes.
Furthermore, the insulation body further comprises a limiting part, and the limiting part is matched in the second slotted hole.
Furthermore, the insulation body further comprises a first slot, and the first slot penetrates through the limiting part.
Furthermore, the insulation body comprises a first body, a second body and a plurality of reinforcing ribs, wherein the first body is pressed against the upper surface of the first edge of the slot hole, and the second body is pressed against the upper surface of the second edge; the plurality of reinforcing ribs are connected with the first body and the second body.
Furthermore, the plurality of reinforcing ribs and the plurality of conductive terminals are arranged at intervals.
Further, the insulating body further comprises a side wall, the side wall is connected to the second body, and the reinforcing ribs are connected with the first body, the second body and the side wall.
Further, the support plate is made of a metal material, and the press-in pins of the conductive terminals do not contact the support plate.
Further, the conductive terminal of the connector is 4 pins and/or 6 pins.
In another aspect of the present invention, an electronic power controller is disclosed, characterized in that it comprises an electronic power controller assembly according to any one of claims 1 to 8; the support plate is a housing of the electronic power controller, the housing comprises a plurality of brackets, the brackets are respectively arranged in the extending direction of the second slotted hole, and the electronic power controller is installed on an installation part through the brackets.
Further, the power module is an inverter and comprises a lead frame, and the press-in pins are pressed into the lead frame to be connected with the inverter.
From the above, the utility model discloses an electric power electronic controller subassembly of embodiment, when the connector is installed to electric power electronic controller's shell, the insulating part of connector is installed on electric power electronic controller shell, consequently, compares with prior art, the utility model discloses a scheme can make the extrusion force of the insulating part of connector distribute on electric power electronic controller shell uniformly, and electric power electronic controller shell can not produce the deformation, has ensured firm being connected between conductive terminal and the power module simultaneously to electric power electronic controller's mechanical strength and electrical property have also been guaranteed.
Drawings
The features, characteristics, advantages and benefits of the present invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 shows an exploded view of a prior art power electronic controller assembly.
Fig. 2 shows a schematic view of an insulator body for a connector of a power electronic controller assembly according to an embodiment of the invention.
Fig. 3 shows a schematic view of a connector of an electronic power controller assembly mounted to a support plate according to an embodiment of the invention.
Fig. 4 shows a schematic cross-sectional view of an electronic power controller assembly according to an embodiment of the present invention.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 2-4, one embodiment of the present disclosure discloses an electronic power controller assembly 10 including a power module 40, a connector 20, and a support plate 30. The power module 40 is, for example, an inverter for inverting a dc high voltage input from a power battery into an ac high voltage as a current input to drive the motor. The connector 20 is connected to the power module 40 for transmitting a control signal from, for example, a vehicle control unit VCU to the power module 40 to control the operation of the power module 40; while also receiving a feedback signal from the power module 40. As shown in fig. 4, the support plate 30 supports the connector 20 when the connector 20 is connected to the power module 40.
The connector 20 includes a plurality of conductive terminals 21 and a dielectric body 22, and fig. 2 shows a schematic view of the dielectric body 22 of the connector 20 for an electronic controller assembly according to an embodiment of the present invention. As shown, the insulation body 22 includes a limiting portion 23, a first body 231, a second body 232, and a sidewall 24. The stopper 23 connects the first body 231 and the second body 232. A plurality of ribs 25 connect the first body 231 and the second body 232. The side wall 24 extends upward from the surface of the second body 232, the side wall 24 includes two surfaces 241 and 242 arranged oppositely, and a plurality of ribs 25 connect the first body 231 and the second body 232 with the side wall 24. Further, the side wall 24 extends vertically upward from the second body 232. Several reinforcing ribs 25 are perpendicularly connected to the first body 231 and/or the second body 232 by two surfaces 241 and 242 of the side wall 24. One surface 241 of the side wall 24 and/or the second body 232 on the same side as the surface 241 comprise a plurality of grooves 26 arranged side by side. The plurality of grooves 26 are used for fixing the plurality of conductive terminals 21, and the plurality of reinforcing ribs 25 and the plurality of conductive terminals 21 are arranged at intervals. The first slot 27 is disposed through the limiting portion 23.
Fig. 3 shows a schematic view of a connector of an electronic power controller assembly mounted to a support plate according to an embodiment of the invention. As shown in the figure, the supporting plate 30 includes a plurality of second slots 31 disposed in parallel and penetrating the upper and lower surfaces of the supporting plate 30, and the two opposite sides of the second slots 31 are a first edge 311 and a second edge 312 respectively. The second slots 31 are arranged along the first direction at intervals, and the second slots 31 are rectangular or rounded rectangle. The supporting plate 30 is made of a metal material, and when the insulating body 22 is pressed against the supporting plate 30, the first body 231 and the second body 232 are respectively pressed against the first edge 311 and the second edge 312 of the second slot 31. The position-limiting portion 23 of the insulating body 22 is fitted in the second slot 31. The first slot 27 penetrating the limiting part 23 is communicated with the second slot 31. The plurality of slots 26 on the insulating body 22 of the connector 20 are used for respectively holding a plurality of conductive terminals 21, and each conductive terminal 21 includes a fixing portion and elastic contact members respectively extending from two ends of the fixing portion, namely, a contact pin 211 and a press-in pin 212. The retainer is bent at about 90 degrees and is retained in the groove 26 of the sidewall 24 and/or the second body 232. The contact pin 211 and the press-in pin 212 are respectively located at both sides of the second body 232, wherein the press-in pin 212 extends from one end of the fixing portion to beyond the edge of the second body 232 of the insulative body 22, and is bent by about 90 degrees to then pass through the first slot 27. The contact pin 211 extends from the other end of the fixing portion to be exposed to the outside of the side wall 24 of the insulating body 22. The contact pins 211 and the press-in pins 212 are substantially parallel to each other, the contact pins 211 are used for contacting a plug of a corresponding VCU of the vehicle control unit, and the press-in pins 212 are pressed into terminal holes of a lead frame of the power module 40 through the plurality of second slot holes 31 to be connected to the power module 40. Due to the conductive property of the conductive terminals 21 of the connector 20, the press-in pins 213 of the conductive terminals 21 do not contact the metal support plate 30. In this embodiment, the conductive terminals of the connector 20 are 4 pins and/or 6 pins.
In the electronic controller assembly of the embodiment of the present invention, when the insulating body 22 of the connector 20 is pressed against the supporting plate 30, the insulating body is pressed against the first edge 311 and the second edge 312 of the second slot 31; and the design of the connector 20 in the embodiment of the present invention, the contact area between the connector 20 and the support plate 30 is increased, so that the pressing force applied to the support plate 30 is uniformly distributed, and the support plate 30 is not deformed. Therefore, the press-in pins 213 of the connector 20 are reliably connected when being inserted into the lead frame of the power module 40, and the mechanical strength and the electrical performance of the power electronic controller are ensured.
The utility model discloses still disclose and contain a power electronic controller, it includes according to the above-mentioned power electronic controller subassembly that describes. Wherein, the bearing plate in the electric power electronic controller assembly is a metal shell of the electric power electronic controller. The metal casing includes a plurality of brackets 50, and a plurality of brackets 50 set up respectively in the direction that every slotted hole extends, and the electronic control unit of electric power passes through bracket 50 and installs to the installation position on.
It will be apparent to those skilled in the art that various modifications and variations can be made in light of the above teachings and concepts, for example, any type of male-type conductive terminals can be used to effect connection of the press-in pins of the connector to the power module. And, the press-in pins of the connector, in addition to being connected to the power module lead frame, may also be pressed into different types of power modules, such as printed circuit boards, to effect the connection with the power module. And all such changes and modifications are intended to be included within the scope of the appended claims.
Claims (9)
1. An electronic power controller assembly, comprising:
the bearing plate penetrates through the upper surface and the lower surface of the bearing plate and is provided with a plurality of second slotted holes, and the two opposite sides of each second slotted hole are respectively a first edge and a second edge;
a power module located under the support plate and including a terminal hole;
the plurality of connectors comprise insulation bodies and a plurality of conductive terminals, the plurality of conductive terminals are fixed on the insulation bodies, each conductive terminal comprises a press-in pin, the press-in pin of the conductive terminal of each connector penetrates through the plurality of second slotted holes and is press-connected to a terminal hole of the power module, the insulation bodies are pressed on the first edges and the second edges of the slotted holes, each insulation body comprises a first body, a second body and a plurality of reinforcing ribs, the first bodies are pressed on the first edges of the slotted holes, and the second bodies are pressed on the second edges; the plurality of reinforcing ribs are connected with the first body and the second body.
2. The power electronic controller assembly of claim 1, wherein the insulative body further comprises a retention portion that fits within the second slot.
3. The power electronic controller assembly of claim 2, wherein the insulator body further comprises a first slot, the first slot extending through the restraint portion.
4. The electronic power controller assembly as claimed in claim 1, wherein said plurality of ribs are spaced from said plurality of conductive terminals.
5. The power electronic controller assembly of claim 1, wherein the insulator body further comprises a sidewall connected to the second body, the plurality of ribs connecting the first body, the second body and the sidewall.
6. The power electronic controller assembly of claim 1, wherein the support plate is constructed of a metallic material and the press-in pins of the conductive terminals do not contact the support plate.
7. The power electronic controller assembly according to claim 1, wherein the conductive terminals of the connector are 4-pin and/or 6-pin.
8. An electronic power controller comprising an electronic power controller assembly according to any one of claims 1 to 7; the support plate is a housing of the electronic power controller, the housing comprises a plurality of brackets, the brackets are respectively arranged in the extending direction of the second slotted hole, and the electronic power controller is installed on an installation part through the brackets.
9. The power electronic controller of claim 8, wherein the power module is an inverter that includes a lead frame, and the press-in pin is pressed into the lead frame to connect the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246929.9U CN209948970U (en) | 2018-12-29 | 2018-12-29 | Electronic power controller and assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246929.9U CN209948970U (en) | 2018-12-29 | 2018-12-29 | Electronic power controller and assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948970U true CN209948970U (en) | 2020-01-14 |
Family
ID=69119743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822246929.9U Active CN209948970U (en) | 2018-12-29 | 2018-12-29 | Electronic power controller and assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209948970U (en) |
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2018
- 2018-12-29 CN CN201822246929.9U patent/CN209948970U/en active Active
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