CN111717011A - Controller suitable for new energy automobile mechatronic power assembly - Google Patents

Controller suitable for new energy automobile mechatronic power assembly Download PDF

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Publication number
CN111717011A
CN111717011A CN202010608310.7A CN202010608310A CN111717011A CN 111717011 A CN111717011 A CN 111717011A CN 202010608310 A CN202010608310 A CN 202010608310A CN 111717011 A CN111717011 A CN 111717011A
Authority
CN
China
Prior art keywords
controller
new energy
mechatronic
energy automobile
igbt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010608310.7A
Other languages
Chinese (zh)
Inventor
刘顺炮
王选
张宋平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Yili Energy Technology Co ltd
Original Assignee
Suzhou Yili Energy Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Yili Energy Technology Co ltd filed Critical Suzhou Yili Energy Technology Co ltd
Priority to CN202010608310.7A priority Critical patent/CN111717011A/en
Publication of CN111717011A publication Critical patent/CN111717011A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20845—Modifications to facilitate cooling, ventilating, or heating for automotive electronic casings
    • H05K7/20872—Liquid coolant without phase change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inverter Devices (AREA)

Abstract

The invention discloses a controller suitable for a new energy automobile electromechanical integrated power assembly, and relates to the field of new energy automobiles. The problem of how to further reduce power assembly volume and weight on current integrated structure is solved. The key points of the technical scheme are that the controller comprises a controller shell and a controller end cover, a control assembly is arranged in the controller shell, and a motor rear end cover structure is arranged on the outer side wall of the controller shell. The invention can realize the common shell with another part motor of the new energy automobile power assembly, has simple structure, can reduce the volume and the weight, greatly improves the EMC index of the power assembly, realizes the real integration of electromechanics on physics, improves the vibration grade of the parts, meets the high-vibration requirement of the automobile, saves a power wire harness between a controller and the motor, reduces the cost and is convenient for loading.

Description

Controller suitable for new energy automobile mechatronic power assembly
Technical Field
The invention relates to the field of new energy automobiles, in particular to a controller suitable for an electromechanical integrated power assembly of a new energy automobile.
Background
The power assembly is a power source spring of the automobile, is a central system for power transmission and transformation, and is the core for realizing running of the automobile. The quality of the power assembly determines the dynamic property, the economical efficiency and the comfort of the automobile, and the power assembly has the advantages of complex structure, numerous parts, high mechanical precision requirement and high cost. The power assembly technology is a high-end technology, is one of core technologies of enterprises, and is a hot spot concerned by markets and consumers.
The power assembly of the new energy automobile generally comprises a motor, a speed reducer and a controller, wherein the controller is separated from a box body of the motor, and the high-voltage electrical connection of the controller and the motor is realized by a power wire harness.
The existing power assembly has realized an integrated structure of a motor, a speed reducer and a controller, but how to further reduce the volume and the weight of the power assembly on the existing integrated structure is a problem which is always overcome in the industry.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a controller suitable for a new energy automobile mechatronic power assembly, which can realize a common shell with another part motor in the power assembly and has a simple structure, thereby reducing the volume and the weight of the power assembly.
In order to achieve the purpose, the invention provides the following technical scheme:
the controller suitable for the new energy automobile electromechanical integration power assembly comprises a controller shell and a controller end cover, wherein a control assembly is arranged in the controller shell, and a motor rear end cover structure is arranged on the outer side wall of the controller shell.
Furthermore, the control assembly comprises a three-phase connector, and a wiring port matched with the three-phase connector is formed in the end wall of the controller shell.
Further, a radiator is arranged in the controller shell, and the control assembly comprises a current input assembly, a first IGBT module, a second IGBT module, a third IGBT module, a thin film capacitor assembly and a driving plate assembly which are borne on the radiator.
Furthermore, a flow channel cavity is arranged in the radiator, a water inlet and a water outlet which are communicated with the flow channel cavity are respectively arranged on the flow channel cavity, and a water inlet pipe communicated with the water inlet and a water outlet pipe communicated with the water outlet are respectively arranged on the outer side wall of the controller shell.
Furthermore, a concave cavity is formed on the outer end face of the radiator, and the film capacitor assembly is packaged in the concave cavity.
Further, the thin film capacitor assembly comprises a plurality of thin film capacitors connected in parallel.
Furthermore, the first IGBT module, the second IGBT module and the third IGBT module are respectively arranged on three outer side walls of the radiator.
Furthermore, the first IGBT module comprises a first insulating heat conduction pad which is in contact with the outer side wall of the radiator, and a plurality of IGBT units are arranged on the end face, away from the radiator, of the first insulating heat conduction pad; and the radiator is provided with an elastic buckle which is in contact with the IGBT unit, and the IGBT unit and the elastic buckle are provided with packaging layers.
Furthermore, the thin film capacitor assembly is respectively connected with a first lamination direct current busbar and a second lamination direct current busbar, a plurality of first conductive claws in contact with the electrodes of the IGBT units are arranged on the first lamination direct current busbar, and a plurality of second conductive claws in contact with the electrodes of the IGBT units are arranged on the second lamination direct current busbar.
Furthermore, a three-phase output alternating current busbar is arranged on the packaging layer, and a plurality of third conductive claws in contact with the electrodes of the IGBT units are arranged on the three-phase output alternating current busbar.
In conclusion, the invention has the following beneficial effects:
1. the controller and the motor realize a common shell, and a shell structure can be omitted in the integrated power assembly, so that the volume and the weight of the power assembly can be reduced;
2. the controller and the motor realize a common shell, so that the electromechanical coupling of electronic parts and mechanical parts is realized, the vibration strength is greatly enhanced, the EMC index of the complete machine power assembly is greatly improved, and the EMCA requirement of an automobile grade can be realized on the basis of not increasing other EMC inhibiting devices;
3. a power wire harness required by the electrical connection of the controller and the motor is omitted, so that the structure is more compact, and the cost can be reduced;
4. the heat of the film capacitor is dissipated through the radiator, and the service life of the film capacitor can be prolonged.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a controller suitable for an mechatronic powertrain of a new energy vehicle in an embodiment;
FIG. 2 is a first schematic structural diagram of a control assembly according to an embodiment;
FIG. 3 is a second schematic structural view of the control assembly of the embodiment;
FIG. 4 is a schematic structural diagram of a first IGBT module in the embodiment;
fig. 5 is a schematic structural diagram of the IGBT unit and the elastic clip in the embodiment.
In the figure: 1. a controller housing; 11. a motor rear end cover structure; 12. a wiring port; 13. a water inlet pipe; 14. a water outlet pipe; 2. a controller end cap; 3. a heat sink; 31. a water inlet; 32. a water outlet; 33. a concave cavity; 4. a current input component; 5. a drive plate assembly; 61. a current sensing component; 62. a three-phase joint; 71. a first IGBT module; 711. an insulating heat conducting pad; 712. a first laminated direct-current bus bar; 7121. a first conductive claw; 713. a second laminated direct-current bus bar; 7131. a second conductive claw; 714. a three-phase output alternating current bus bar; 7141. a third conductive claw; 715. a packaging layer; 716. an IGBT unit; 717. elastic buckle; 72. a second IGBT module; 73. and a third IGBT module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b):
a controller suitable for a new energy automobile mechatronic power assembly is disclosed, and the controller comprises a controller shell 1 and a controller end cover 2, wherein a control assembly is arranged in the controller shell 1, and a motor rear end cover structure 11 is arranged on the outer side wall of the controller shell 1; the motor rear end cover structure 11 is integrated on the outer side wall of the controller shell 1, so that a common shell is realized between the controller and the motor, and a shell structure can be omitted in the integrated power assembly, so that the size and the weight of the power assembly can be reduced.
Referring to fig. 1 and 2, the control assembly includes a three-phase connector 62 and a current sensing component 61, the end wall of the controller housing 1 is provided with a wiring port 12 matched with the three-phase connector 62, and the wiring port 12 is also located on the end wall of the motor rear end cover structure 11, so that a power wiring harness required by electrical connection between the controller and the motor can be omitted, the structure is more compact, and meanwhile, the cost is reduced.
Referring to fig. 1 to 3, a heat sink 3 is disposed in the controller housing 1, and the control assembly in this embodiment further includes a current input component 4, a first IGBT module 71, a second IGBT module 72, a third IGBT module 73, and a driving board component 5, which are supported on the heat sink 3; in this embodiment, the heat sink 3 dissipates heat by water cooling, a flow channel cavity (not shown in the drawings) is arranged in the heat sink 3, the heat sink 3 is respectively provided with a water inlet 31 and a water outlet 32 communicated with the flow channel cavity, and the outer side wall of the controller housing 1 is respectively provided with a water inlet pipe 13 communicated with the water inlet 31 and a water outlet pipe 14 communicated with the water outlet 32.
Referring to fig. 3, a cavity 33 is formed on the outer end surface of the heat sink 3, and the cavity 33 is provided with a film capacitor assembly (not shown in the drawing) including a plurality of film capacitors connected in parallel; the thin film capacitor is packaged on the radiator 3, so that the heat of the thin film capacitor can be dissipated, and the service life of the thin film capacitor is prolonged.
Referring to fig. 3, in the present embodiment, the entire flow channel cavity in the heat sink 3 is U-shaped, and the first IGBT module 71, the second IGBT module 72, and the third IGBT module 73 are respectively disposed on three outer sidewalls of the heat sink 3, and are all opposite to the flow channel cavity.
Referring to fig. 3 to 5, in the present embodiment, the first IGBT module 71, the second IGBT module 72, and the third IGBT module 73 have the same structural composition; the first IGBT module 71 includes a first insulating thermal pad 711 that contacts the outer sidewall of the heat sink 3, and a plurality of IGBT units 716 are disposed on an end surface of the first insulating thermal pad 711 away from the heat sink 3; the heat sink 3 is provided with an elastic clip 717 contacting the IGBT unit 716, and the IGBT unit 716 and the elastic clip 717 are provided with an encapsulation layer 715, where the encapsulation layer 715 is a resin in this embodiment.
Referring to fig. 3 to 5, the thin film capacitor assembly is respectively connected to a first stacked dc bus 712 and a second stacked dc bus 713, the first stacked dc bus 712 is provided with a plurality of first conductive claws 7121 contacting with the electrodes of the IGBT unit 716, and the second stacked dc bus 713 is provided with a plurality of second conductive claws 7131 contacting with the electrodes of the IGBT unit 716; the first IGBT module 71 includes six IGBT units 716, three of which are upper bridge IGBTs, the other three of which are lower bridge IGBTs, wherein the first laminated dc bus 712 is connected to the upper bridge IGBTs, and the second laminated dc bus 713 is connected to the lower bridge IGBTs; a three-phase output alternating current bus bar 714 is arranged on the packaging layer 715, and a plurality of third conductive claws 7141 which are in contact with the electrodes of the IGBT unit 716 are arranged on the three-phase output alternating current bus bar 714.

Claims (10)

1. The utility model provides a controller suitable for new energy automobile mechatronic power assembly which characterized in that: including controller casing and controller end cover, be provided with the control assembly in the controller casing, just the controller casing lateral wall is provided with motor rear end cap structure.
2. The controller suitable for the mechatronic powertrain of a new energy automobile of claim 1, wherein: the control assembly comprises a three-phase connector, and a wiring port matched with the three-phase connector is formed in the end wall of the controller shell.
3. The controller suitable for the mechatronic powertrain of a new energy automobile of claim 1, wherein: the controller is characterized in that a radiator is arranged in the controller shell, and the control assembly comprises a current input assembly, a first IGBT module, a second IGBT module, a third IGBT module, a thin film capacitor assembly and a driving plate assembly which are borne on the radiator.
4. The controller suitable for the mechatronic powertrain of a new energy automobile of claim 3, wherein: the radiator is provided with a flow passage cavity, a water inlet and a water outlet which are communicated with the flow passage cavity are respectively arranged on the flow passage cavity, and the outer side wall of the controller shell is respectively provided with a water inlet pipe communicated with the water inlet and a water outlet pipe communicated with the water outlet.
5. The controller suitable for the mechatronic powertrain of a new energy automobile of claim 3, wherein: and a concave cavity is formed on the outer end face of the radiator, and the film capacitor assembly is packaged in the concave cavity.
6. The controller suitable for the mechatronic powertrain of a new energy automobile of claim 5, wherein: the thin film capacitor assembly comprises a plurality of thin film capacitors connected in parallel.
7. The controller suitable for the mechatronic powertrain of a new energy automobile of claim 3, wherein: the first IGBT module, the second IGBT module and the third IGBT module are respectively arranged on three outer side walls of the radiator.
8. The controller suitable for the mechatronic powertrain of a new energy automobile of claim 7, wherein: the first IGBT module comprises a first insulating heat conduction pad which is in contact with the outer side wall of the radiator, and a plurality of IGBT units are arranged on the end face, away from the radiator, of the first insulating heat conduction pad; and the radiator is provided with an elastic buckle which is in contact with the IGBT unit, and the IGBT unit and the elastic buckle are provided with packaging layers.
9. The controller suitable for the mechatronic powertrain of a new energy vehicle of claim 8, wherein: the thin film capacitor assembly is connected with a first lamination direct current busbar and a second lamination direct current busbar respectively, the first lamination direct current busbar is provided with a plurality of first conductive claws in contact with the electrodes of the IGBT units, and the second lamination direct current busbar is provided with a plurality of second conductive claws in contact with the electrodes of the IGBT units.
10. The controller suitable for the mechatronic powertrain of a new energy vehicle of claim 9, wherein: the packaging layer is provided with a three-phase output alternating current busbar, and the three-phase output alternating current busbar is provided with a plurality of third conductive claws which are in contact with the electrodes of the IGBT units.
CN202010608310.7A 2020-06-30 2020-06-30 Controller suitable for new energy automobile mechatronic power assembly Pending CN111717011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010608310.7A CN111717011A (en) 2020-06-30 2020-06-30 Controller suitable for new energy automobile mechatronic power assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010608310.7A CN111717011A (en) 2020-06-30 2020-06-30 Controller suitable for new energy automobile mechatronic power assembly

Publications (1)

Publication Number Publication Date
CN111717011A true CN111717011A (en) 2020-09-29

Family

ID=72571488

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010608310.7A Pending CN111717011A (en) 2020-06-30 2020-06-30 Controller suitable for new energy automobile mechatronic power assembly

Country Status (1)

Country Link
CN (1) CN111717011A (en)

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Application publication date: 20200929

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