CN216930477U - Integrated structure for motor controller - Google Patents
Integrated structure for motor controller Download PDFInfo
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- CN216930477U CN216930477U CN202122464027.4U CN202122464027U CN216930477U CN 216930477 U CN216930477 U CN 216930477U CN 202122464027 U CN202122464027 U CN 202122464027U CN 216930477 U CN216930477 U CN 216930477U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model relates to an integrated structure for a motor controller, which comprises an extrusion heat-conducting plate, an insulating plate, an integrated power plate, an insulating pressing plate, a shielding pressing plate and a temperature detection wire harness, wherein the extrusion heat-conducting plate, the insulating plate, the integrated power plate, the insulating pressing plate, the shielding pressing plate and the temperature detection wire harness are sequentially stacked and installed, one surface, attached to the insulating pressing plate, of the integrated power plate is provided with a low-voltage connecting contact pin for penetrating through the insulating pressing plate and the shielding pressing plate, one surface, attached to the insulating plate, of the integrated power plate is integrated with a membrane capacitor, a Y capacitor and a power module, and the temperature detection wire harness penetrates through the shielding pressing plate, the insulating pressing plate, the integrated power plate and the insulating plate and then is connected with the extrusion heat-conducting plate. Compared with the prior art, the motor controller has the advantages that the integral power density of the motor controller can be improved by carrying out integrated design on the plurality of components, the size is small, the integration level is high, the heat dissipation effect is good, and the motor controller is suitable for assembly of an automatic production line.
Description
Technical Field
The utility model relates to the technical field of electric automobile electronics, in particular to an integrated structure for a motor controller.
Background
Along with the continuous popularization of new energy electric vehicles, a motor controller and a driving motor become necessary core components of the electric vehicles, particularly the motor controller becomes a core component for the operation of the driving motor, particularly the selection of an internal IGBT module (power module) is more important, a packaging module is usually selected to be directly assembled on a water channel at the bottom of a box body in the traditional motor controller design, then a membrane capacitor is also installed at the bottom of the box body and fixedly connected through bolts, the mode has more parts, the whole volume is larger, the cost is very high, the requirements of the whole vehicle factory on the higher cost and the higher volume of the driving motor controller are difficult to meet, and when a traditional packaged standard module and other power components are installed, the process is complex, the quality control point is difficult to control, and the failure possibility is high. Therefore, there is a need for a power module integrated structure that can be designed to meet the installation requirements of the driving motor controller, while being cost-effective, and with a high degree of integration and volume.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing an integrated structure for a motor controller.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an integrated configuration for machine controller, includes extrusion heat-conducting plate, insulation board, integrated form power board, insulating clamp plate, shielding clamp plate and the temperature detection pencil of range upon range of installation in proper order, the one side of the insulating clamp plate of integrated form power board laminating is equipped with low pressure connection contact pin for pass insulating clamp plate and shielding clamp plate, the integrated membrane capacitor, Y electric capacity and the power module of having of one side of integrated form power board laminating insulation board, the temperature detection pencil passes and connects the extrusion heat-conducting plate behind shielding clamp plate, insulating clamp plate, integrated form power board and the insulation board.
Further, the top surface of extrusion heat-conducting plate is equipped with a plurality of fixed bosss, be equipped with the installation via hole on the insulation board, the insulation board is installed between integrated form power board and extrusion heat-conducting plate through the fixed boss of installation via hole gomphosis, is equipped with the screw hole on the fixed boss, and the screw passes integrated form power board connecting thread hole.
Furthermore, the non-binding surface of the extrusion heat-conducting plate is provided with a raised heat-conducting needle.
Further, the heat conducting pins are a plurality of elliptic cylindrical fins.
Furthermore, a groove is formed in the non-binding surface of the extrusion heat conduction plate, and the heat conduction needle is arranged in the groove.
Furthermore, a water retaining isolation mounting surface is arranged in the center of the distribution of the heat conducting pins.
Furthermore, the power modules on the integrated power board are divided into three groups in an array manner, wherein the groups are 8.
Furthermore, a plurality of power copper bars are arranged on the integrated power plate, the power copper bars are in a Z-shaped jaw design, and the power copper bars are welded on one side of the integrated power plate in an inverted mode.
Further, the temperature detection wire harness is composed of a two-core connector, a thermistor sensor, and a cable.
Furthermore, one side of the integrated power board is provided with an exposed power input installation surface.
Compared with the prior art, the utility model has the following beneficial effects:
(1) according to the utility model, the membrane capacitor, the Y capacitor and the power module are directly integrated and welded on the integrated power plate, and then the laminated structure of the extrusion heat-conducting plate, the insulating plate, the integrated power plate, the insulating pressing plate and the shielding pressing plate is adopted, so that the integrated circuit is high, the heat dissipation efficiency is high, the size is small, and the assembly is more concise; compared with the conventional screw installation, the screw installation structure not only saves the processing time, but also has high reliability.
(2) According to the utility model, the temperature detection wire harness penetrates through the shielding pressing plate, the insulating pressing plate, the integrated power plate and the insulating plate to be installed, so that the temperature detection wire harness is stably contacted with the extrusion heat conducting plate, and the temperature detection wire harness is suitable for occasions with shaking such as electric automobiles.
(3) The integrated power board has low voltage connecting pins welded to its upper surface and power input mounting surface, and this can raise the work efficiency and product quality during assembling.
(4) The bottom of the extrusion heat-conducting plate is provided with a raised heat-conducting needle, the heat-conducting needle is provided with a water-retaining isolating installation surface at the central position, and compared with the conventional water channel heat-radiating effect, the water channel heat-radiating effect with water-retaining isolation is better.
(5) The heat conducting needle of the extrusion heat conducting plate is designed in an elliptic cylinder shape, so that the water flow speed is more uniform, and the heat radiating effect is good.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the explosive structure of the present invention.
Fig. 3 is a schematic diagram of an integrated power board according to the present invention.
Fig. 4 is a schematic view of another angle of the integrated power board of the present invention.
FIG. 5 is a schematic view of a temperature sensing harness in accordance with the present invention.
Fig. 6 is a schematic structural view of the shielding pressure plate of the present invention.
Fig. 7 is a schematic view of the structure of the insulating pressing plate of the present invention.
Fig. 8 is a schematic view of the extruded heat-conducting plate of the present invention.
Fig. 9 is a schematic view of another angle of the extruded thermal conductive plate of the present invention.
Fig. 10 is a schematic view of the structure of the insulating plate of the present invention.
Reference numerals are as follows: 1-extruding a heat conducting plate; 11-heat conducting needle; 12-water-retaining isolating mounting surface; 14-fixing the boss; 2-insulating board, 3-integrated power board; 31-a film capacitor; a 32-Y capacitance; 33-a power module; 34-power input mounting face; 35-low voltage connecting pin; 36-power copper bar; 4-insulating pressing plate, 5-shielding pressing plate and 6-temperature detection wire harness; 61-two-core connector; 62-a thermistor sensor; 63-cable.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1 and 2, the present embodiment provides an integrated structure for a motor controller, which includes an extruded heat conducting plate 1, an insulating plate 2, an integrated power plate 3, an insulating pressure plate 4, a shielding pressure plate 5, and a temperature detection harness 6, which are sequentially stacked. The top surface of the extrusion heat conducting plate 1 is provided with a plurality of fixed bosses 14, and the insulating plate 2 is provided with four mounting through holes, as shown in fig. 10; the insulation board 2 is installed between the integrated power board 3 and the extrusion heat conduction plate 1 through the installation via hole embedded fixing boss 14, the fixing boss 14 is provided with a threaded hole, and a screw penetrates through the integrated power board 3 to be connected with the threaded hole.
As shown in fig. 3 and 4, one side of the integrated power board 3, which is attached to the insulating pressing board 4, is provided with a low-voltage connection pin 35 for penetrating through the insulating pressing board 4 and the shielding pressing board 5; one surface of the integrated power board 3, which is attached to the insulating board 2, is integrated with a film capacitor 31, a Y capacitor 32 and a power module 33; one side of the integrated power board 3 is provided with an exposed power input mounting face 34. The specific development is as follows: the lower surface of the integrated power board 3 is welded with a film capacitor 31 and two Y capacitors 32, the Y capacitors 32 are arranged on two sides of two power input mounting surfaces 34, and one pin of the film capacitor 31 is led out of the surface of the integrated power board 3. The lower surface of the integrated power board 33 is provided with a plurality of integrated power modules 33, wherein 8 integrated power modules 33 are in one group, and are divided into three groups to be fixed on the bottom of the integrated power board 3 in an array manner. In addition, three power copper bars 36 are arranged on the integrated power board 3, the power copper bars 36 are in a Z-shaped jaw design, and the power copper bars are welded on the same side of the lower surface of the integrated power board 3 in an inverted mode.
The insulating pressing plate 4 and the shielding pressing plate 5 shown in fig. 6 and 7 are fitted over the integrated power board 3 through 8 limiting holes, and finally fixed with the extruded heat-conducting plate 1. The temperature detection wire harness 6 penetrates through the shielding pressing plate 5, the insulating pressing plate 4, the integrated power plate 3 and the insulating plate 2 and then is connected with the extrusion heat-conducting plate 1, and the temperature detection wire harness 6, the shielding plate, the integrated power plate 3 and the extrusion heat-conducting plate 1 are fixed after being glued through mounting through holes. This embodiment is through carrying out integrated design to a plurality of subassemblies, can realize improving motor controller's whole power density, has small, the integrated level is high to and advantages such as radiating effect is good, be fit for automatic assembly.
As shown in fig. 5, the temperature detection harness 6 of the present embodiment includes a two-core connector 61, a thermistor sensor 62, and a cable 63, and the cable 63 can adjust the length of the harness according to the structural arrangement, so as to satisfy various installation spaces and make the product cost competitive.
The insulation board 2 of this embodiment is fixed on the upper mounting surface of the extrusion heat-conducting plate 1 through the screw locking mode, and the integrated power board 3 is fixed on the surface of the insulation board 2 after being welded through reflow soldering, and is fixed and clamped through the insulation pressing board 4 and the shielding pressing board 5. Integrated form power module 33 pastes tightly at 2 upper surfaces of insulation board, and insulation board 2 pastes tightly at 1 upper surface of extrusion heat-conducting plate, and shielding clamp plate 5 locks fixed the use with other parts and can prevent that integrated form power module 33 from producing not hard up when the vibration, influences the heat dissipation of integrated form power module 33, guarantees that the car normally works when abominable operating mode.
As shown in fig. 8 and 9, the bottom of the extrusion heat conduction plate 1 of the present embodiment is provided with a plurality of heat conduction needles 11, and the heat conduction needles 11 are designed to be evenly arranged in an elliptic cylindrical shape, so that the water flow speed is more even, the heat dissipation effect is better, the top ends of all the elliptic cylindrical heat conduction needles 11 are on the same surface, and after the installation of the extrusion heat conduction plate 1 and the bottom surface of the box body is completed, the top ends of the elliptic cylindrical heat conduction needles 11 are attached to the bottom surface of the box body, so that the temperature of the water channel is rapidly dissipated.
The installation process of the embodiment is as follows:
through frock clamp, fix a position the clamping with integrated form power board 3, membrane capacitor 31, two Y electric capacity 32, three power copper bar 36, 12 integrated form power module 33 and six connector components, after vacuum reflow soldering, fix in extrusion heat-conducting plate 1 fixed boss 14 through the mounting hole of integrated form power board 3 and the cooperation of insulation board 2. The insulating pressing plate 4 and the shielding pressing plate 5 are respectively fixed on the integrated power plate 3 and then screwed and fixed by screws. And finally, reserving mounting holes for gluing the integrated power plate 3 and the extrusion heat-conducting plate 1, and mounting the temperature detection wire harness 6 in the fixing holes to complete assembly. The mechanism can be used as a standard high-power module component to be installed in a motor controller, so that the production and assembly efficiency is greatly improved.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the above teachings. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an integrated configuration for machine controller, its characterized in that, includes extrusion heat-conducting plate (1), insulation board (2), integrated form power board (3), insulating clamp plate (4), shielding clamp plate (5) and the temperature detection pencil (6) of range upon range of installation in proper order, the one side of integrated form power board (3) laminating insulating clamp plate (4) is equipped with low pressure and connects contact pin (35) for pass insulating clamp plate (4) and shielding clamp plate (5), the one side integration of integrated form power board (3) laminating insulation board (2) has membrane capacitor (31), Y electric capacity (32) and power module (33), temperature detection pencil (6) are passed and are connected extrusion heat-conducting plate (1) behind shielding clamp plate (5), insulating clamp plate (4), integrated form power board (3) and insulation board (2).
2. The integrated structure for the motor controller according to claim 1, wherein the top surface of the extruded heat conducting plate (1) is provided with a plurality of fixing bosses (14), the insulating plate (2) is provided with mounting through holes, the insulating plate (2) is mounted between the integrated power plate (3) and the extruded heat conducting plate (1) through the mounting through holes embedded with the fixing bosses (14), the fixing bosses (14) are provided with threaded holes, and screws penetrate through the integrated power plate (3) to connect the threaded holes.
3. An integrated structure for a motor controller according to claim 1, characterized in that the non-contact surface of the extruded heat-conducting plate (1) is provided with raised heat-conducting pins (11).
4. An integrated structure for motor controllers, according to claim 3, characterized in that said heat conducting pins (11) are a plurality of elliptic cylindrical fins.
5. An integrated structure for a motor controller according to claim 3, characterized in that the non-adhering face of the extruded heat-conducting plate (1) is provided with a groove, and the heat-conducting pins (11) are arranged in the groove.
6. An integrated structure for a motor controller according to claim 3, characterized in that the heat conducting pins (11) are distributed in a central position provided with a water blocking and isolating mounting surface (12).
7. The integrated structure for a motor controller according to claim 1, wherein the power modules (33) on the integrated power board (3) are distributed in a three-group array of 8 modules.
8. The integrated structure for the motor controller according to claim 1, wherein a plurality of power copper bars (36) are arranged on the integrated power board (3), the power copper bars (36) are in a zigzag claw-shaped design, and are welded on one side of the integrated power board (3) in an inverted manner.
9. An integrated structure for a motor controller according to claim 1, wherein said temperature detection harness (6) is constituted by a two-core connector (61), a thermistor sensor (62), and a cable (63).
10. An integrated structure for a motor controller according to claim 1, characterized in that one side of the integrated power board (3) is provided with an exposed power input mounting surface (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122464027.4U CN216930477U (en) | 2021-10-13 | 2021-10-13 | Integrated structure for motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122464027.4U CN216930477U (en) | 2021-10-13 | 2021-10-13 | Integrated structure for motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216930477U true CN216930477U (en) | 2022-07-08 |
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ID=82223512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122464027.4U Active CN216930477U (en) | 2021-10-13 | 2021-10-13 | Integrated structure for motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216930477U (en) |
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2021
- 2021-10-13 CN CN202122464027.4U patent/CN216930477U/en active Active
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