Engine frame for an electric engine of a motor vehicle
Said device for mounting an electric propulsion assembly into the engine compartment of an electric vehicle includes a mounting member ( 4, 5 ) having a means for attaching onto the vehicle chassis and attachment means for an electrical machine ( 3 ), an electrical power unit ( 2 ), and a charging unit ( 1 ).
1. A device for mounting an electric propulsion assembly, including an electric machine, an electronic power block, and a charger block, in an engine compartment of an electric vehicle, comprising:
a mounting member including
a bottom securing module including means for fastening to a chassis of the vehicle, means for fastening the electric machine, and means for fastening the electronic power block; and
a top securing module configured to be fastened onto the bottom securing module, and including means for fastening the charger block,
wherein the bottom securing module comprises lifting arms arranged on either side of a center of gravity of the mounting device.
2. The mounting device as claimed in claim 1 , wherein the bottom securing module comprises a first transversal beam and a second transversal beam, the top securing module comprises a first beam and a second beam, and the top securing module and the bottom securing module are configured to be fastened such that the first beam of the top securing module is attached to the first transversal beam of the bottom securing module and the second beam of the top securing module is situated at a distance from the second transversal beam of the bottom securing module.
3. The mounting device as claimed in claim 2 , wherein the means for fastening to the chassis include elastic parts fastened onto the first and second transversal beams.
4. The mounting device as claimed in claim 2 , wherein the means for fastening the charger block include orifices in the first and second beams.
5. The mounting device as claimed in claim 4 , wherein the bottom securing module includes a plurality of fastening elements configured to receive screws that pass through orifices in the charger block and the orifices in the first and second beams of the top securing module to fasten the charger block onto the top securing module.
6. The mounting device as claimed in claim 2 , wherein the bottom securing module includes
a rectangular mounting element mounted perpendicularly on the first transversal beam, the rectangular mounting element including a first fastening element mounted thereto; and
a first reinforcing arm extending from the rectangular mounting element, the first reinforcing arm including a second fastening element mounted thereto,
wherein the first and second fastening elements are configured to receive screws passing through orifices in the first beam of the top securing module to attach the first beam of the top securing module to the first transversal beam of the bottom securing module.
7. The mounting device as claimed in claim 6 , wherein
the lifting arms of the bottom securing module include a first lifting arm positioned on a first longitudinal beam of the bottom securing module, the first lifting arm including a third fastening element mounted thereto;
the bottom securing module includes a fourth fastening element fastened onto a second longitudinal beam of the bottom securing module, and
the third and fourth fastening elements are configured to receive screws passing through orifices in the second beam of the top securing module to attach the second beam of the top securing module to the bottom securing module at the distance from the second transversal beam of the bottom securing module.
8. The mounting device as claimed in claim 1 , further comprising:
means for fastening auxiliary elements of an engine of the motor vehicle to the bottom securing module.
9. The mounting device as claimed in claim 8 , wherein the auxiliary elements of the engine include a compressor or a water pump.
10. The mounting device as claimed in claim 1 , wherein the means for fastening the electric machine include a fixing tab and at least one fastening element extending from a longitudinal beam of the bottom securing module.
11. The mounting device as claimed in claim 1 , wherein the means for fastening the electronic power block include a plurality of fixing tabs fastened to inside faces of longitudinal beams of the bottom securing module.
12. An electric propulsion assembly, intended to be mounted in an engine compartment of an electric vehicle, comprising:
an electric machine;
an electronic power block;
a charger block; and
a mounting member including
a bottom securing module including means for fastening to a chassis of the vehicle, means for fastening the electric machine, and means for fastening the electronic power block; and
a top securing module configured to be fastened onto the bottom securing module, and including means for fastening the charger block,
wherein the bottom securing module comprises lifting arms arranged on either side of a center of gravity of the electric propulsion assembly.
13. The mounting propulsion assembly as claimed in claim 12 , wherein
the bottom securing module includes a first transversal beam and a second transversal beam,
the top securing module includes a first beam and a second beam, and
the top securing module and the bottom securing module are configured to be fastened such that the first beam of the top securing module is attached to the first transversal beam of the bottom securing module and the second beam of the top securing module is situated at a distance from the second transversal beam of the bottom securing module.
14. A method for mounting an electric propulsion assembly in an engine compartment of an electric vehicle, comprising:
fastening an electric machine onto a bottom portion of a bottom securing module;
fastening an electronic power block onto a top portion of the bottom securing module;
fastening a charger block onto a top securing module; and
fastening the top securing module onto the bottom securing module,
wherein the bottom securing module comprises lifting arms arranged on either side of a center of gravity of the electric propulsion assembly.
15. The mounting method as claimed in claim 14 , further comprising:
fastening the bottom securing module to a chassis of the vehicle.
16. The mounting method as claimed in claim 14 , further comprising:
fastening auxiliary elements of an engine of the motor vehicle to the bottom securing module.
17. The mounting method as claimed in claim 16 , wherein the auxiliary elements of the engine include a compressor or a water pump.
18. The mounting method as claimed in claim 14 , wherein the fastening the top securing module onto the bottom securing module includes attaching a first beam of the top securing module to a first transversal beam of the bottom securing module and a second beam of the top securing module is situated at a distance from a second transversal beam of the bottom securing module.