CN-121983731-A - Battery accommodating device, battery system and vehicle

Abstract

The application provides a battery accommodating apparatus for a vehicle. The battery receiving device includes a tray, a cover, a bracket connecting the tray and the cover, at least one first fastener, and a plug disposed at a lower surface of the tray. The tray has a cavity for receiving the battery assembly. The cover is arranged above the tray for sealing the cavity. A first fastener connects the bracket to the tray under the cover. The plug is configured to engage with a base on a vehicle component to connect with circuitry of the battery assembly. The application also provides a battery system and a vehicle comprising the battery accommodating device.

Inventors

• GAO FEI
• WANG GUOZHEN

Assignees

• 福特全球技术公司

Dates

Publication Date

20260505

Application Date

20190516

Claims (20)

1. 1. A battery receiving device for a vehicle, comprising: A tray having a cavity for accommodating the battery assembly; a cover disposed over the tray for sealing the cavity; a bracket connecting the tray and the cover; at least one first fastener, wherein the first fastener connects the bracket to the tray under the cover, and A plug disposed on a lower surface of the tray, the plug configured to engage with a base on a vehicle component to connect to an electrical circuit of the battery assembly.
2. 2. The battery receiving device of claim 1, wherein the cover and the bracket are removable from the tray after the battery receiving device is removed from the vehicle.
3. 3. The battery receiving device according to claim 1, wherein the tray has a flange extending outward from an upper portion of the tray, the cover entirely covers the flange, the bracket has a first portion located at a lower surface of the flange, a second portion located at an upper surface of the cover, and an intermediate portion connecting the first portion and the second portion.
4. 4. A battery receiving arrangement according to claim 3, wherein the major plane of the first portion is parallel to the major plane of the second portion and perpendicular to the major plane of the intermediate portion.
5. 5. The battery receiving device of claim 3, further comprising two separately disposed second fasteners by which the second portion is secured to the upper surface of the cover, wherein at least one first fastener comprises two separately disposed first fasteners by which the first portion is secured to the lower surface of the flange, the two first fasteners being only capable of being tightened or loosened by a tool operating under the tray.
6. 6. The battery receiving device of claim 1, wherein the yield strength of the bracket is in the range of 235MPa to 345 MPa.
7. 7. The battery receiving device of claim 1, wherein the bracket has a thickness in the range of 1.2mm to 2.0 mm.
8. 8. The battery accommodating apparatus of claim 1, wherein the bracket has an insulating layer having a thickness in a range of 20 μιη to 50 μιη.
9. 9. The battery receiving device of claim 5, wherein the first portion of the bracket has first and second through holes that mate with the two first fasteners, the second portion has third and fourth through holes that mate with the two second fasteners, and a plane in which the first and second through holes lie is parallel to a plane in which the third and fourth through holes lie.
10. 10. The battery receiving device of claim 9, wherein a first distance between the first through hole and the second through hole of the first portion of the bracket is less than a second distance between the third through hole and the fourth through hole of the second portion of the bracket, the first distance being in a range of 70mm to 120mm, the second distance being in a range of 140mm to 240 mm.
11. 11. The battery receiving device according to claim 9, wherein the first and second through holes are circular holes having the same diameter, the third through hole is a circular hole, the fourth through hole is an elliptical hole, and the diameter of the fourth through hole is larger than the diameter of the third through hole.
12. 12. The battery receiving device of claim 11, further comprising a third fastener connecting the cover and the tray and underlying the second portion of the bracket.
13. 13. A battery system for a vehicle, comprising: a tray having a cavity; A cover disposed over the tray to seal the cavity; A battery assembly disposed in the cavity; A bracket connecting the tray and the cover, and A service disconnect switch connected to the battery assembly through an electrical circuit, comprising a plug provided on a lower surface of the tray and a base provided on a vehicle component, Wherein the bracket is connected to the tray by at least one first fastener that is accessible from a lower surface of the tray and is accessible when the tray and the cover are removed from the vehicle, and The service disconnect switch is configured to engage the plug with the base to connect the electrical circuit when the tray is located within the vehicle component and to disengage the plug from the base to disconnect the electrical circuit when the tray is away from the vehicle component.
14. 14. The battery system according to claim 13, wherein the vehicle component is a receiving portion between a trunk floor and a vehicle floor, the base being provided on a bottom surface of the receiving portion.
15. 15. The battery system of claim 14, wherein a distance between a side of the tray or cover and a side wall of the receiving portion is in a range of 10mm to 25 mm.
16. 16. The battery system of claim 13, wherein the tray has a flange extending outward from an upper portion of the tray, the cover completely covers the flange, the bracket has a first portion located on a lower surface of the flange, a second portion located on an upper surface of the cover, and an intermediate portion connecting the first portion and the second portion, and a principal plane of the first portion is parallel to a principal plane of the second portion and perpendicular to a principal plane of the intermediate portion.
17. 17. The battery system of claim 16, further comprising two separately disposed second fasteners, the second portion being secured to the upper surface of the cover by the two second fasteners, wherein at least one first fastener comprises two separately disposed first fasteners, the first portion being secured to the lower surface of the flange by the two first fasteners, the first portion of the bracket having first and second through holes that mate with the first fasteners, the second portion of the bracket having third and fourth through holes that mate with the second fasteners, a plane in which the first and second through holes lie being parallel to a plane in which the third and fourth through holes lie.
18. 18. The battery system of claim 17, wherein a first distance between the first and second through holes is less than a second distance between the third and fourth through holes, the first distance being in a range of 70mm to 120mm and the second distance being in a range of 140mm to 240 mm.
19. 19. A vehicle, comprising: a vehicle component located at a vehicle underbody; A tray having a cavity located on the vehicle component; A cover disposed over the tray to seal the cavity; A battery assembly disposed in the cavity; A bracket connecting the tray and the cover, wherein the bracket has a U-shaped section to cover an edge portion of the tray and an edge portion of the cover, and A service disconnect switch connected to the battery assembly through an electrical circuit, comprising a plug provided on a lower surface of the tray and a base provided in the vehicle component, Wherein the bracket is connected with the tray through at least one first fastener, The plug engages the base to connect the electrical circuit when the tray is positioned within the vehicle component and disengages the base to disconnect the electrical circuit when the tray is moved away from the vehicle component.
20. 20. The vehicle of claim 19, wherein the bracket is spaced from a sidewall of the vehicle component a distance such that the first fastener is inaccessible when the tray and the cover are located in the vehicle component.

Description

Battery accommodating device, battery system and vehicle The application relates to a battery accommodating device, a battery system and a method for accessing the interior of the battery system, which are filed by Ford global technology company, wherein the filed number is 201910406059.3, and the filed date is the divisional application of the application patent application of 2019, 5 and 16. Technical Field The present application relates to a battery system for an electric vehicle, and more particularly, to a battery housing device for a high-voltage battery system of an electric vehicle. Background Electric vehicles such as a pure electric vehicle (BEV), a plug-in hybrid electric vehicle (PHEV), or a Hybrid Electric Vehicle (HEV) include a traction battery system that serves as an energy source for the vehicle. The traction battery system may include components, such as a high-voltage battery assembly, for aiding in managing vehicle performance and operation. The traction battery assembly also includes a cover that limits the exposure of the high voltage battery assembly, and a service disconnect switch that connects or disconnects the circuit of the high voltage battery assembly. The service disconnect switch of the conventional battery system is provided at a side of the battery system case or inside the battery system, limiting a space for accommodating the high-voltage battery assembly. Disclosure of Invention The present application is directed to at least one of the above problems and provides a battery housing device that can increase a housing space of a battery assembly and forcibly power down a battery system at the time of maintenance. According to one aspect of the present application, a battery receiving device for a vehicle is provided. The battery receiving device includes a tray, a cover, a bracket connecting the tray and the cover, at least one first fastener, and a plug disposed at a lower surface of the tray. The tray has a cavity for receiving the battery assembly. The cover is arranged above the tray for sealing the cavity. A first fastener connects the bracket to the tray under the cover. The plug is configured to engage with a base on a vehicle component to connect with circuitry of the battery assembly. In some embodiments, the lid and bracket are removable from the tray after the battery receiving device is removed from the vehicle. In some embodiments, the tray has a flange extending outwardly from an upper portion of the tray, and the cover completely covers the flange. The bracket has a first portion located on the lower surface of the flange, a second portion located on the upper surface of the cover, and an intermediate portion connecting the first portion and the second portion. The major plane of the first portion is parallel to the major plane of the second portion and perpendicular to the major plane of the intermediate portion. In some embodiments, the battery receiving device further includes two second fasteners disposed apart, the second portion being secured to the upper surface of the cover by the second fasteners. The at least one first fastener comprises two separately arranged first fasteners by which the first portion is secured to the lower surface of the flange, the two first fasteners being only capable of being fastened or unfastened by a tool operating under the tray. In some embodiments, the yield strength of the scaffold is in the range of 235MPa to 345 MPa. The thickness of the stent is in the range of 1.2mm to 2.0 mm. In some embodiments, the scaffold has an insulating layer with a thickness in the range of 20 μm to 50 μm. In some embodiments, the first portion of the bracket has first and second through holes that mate with two first fasteners, and the second portion has third and fourth through holes that mate with two second fasteners, the planes of the first and second through holes being parallel to the planes of the third and fourth through holes. The first distance between the first and second through holes of the first portion of the bracket is less than the second distance between the third and fourth through holes of the second portion of the bracket. The first distance is in the range of 70mm to 120mm and the second distance is in the range of 140mm to 240 mm. In some embodiments, the first and second through holes are circular holes and have the same diameter, the third through hole is a circular hole, the fourth through hole is an elliptical hole, and the diameter of the fourth through hole is greater than the diameter of the third through hole. In some embodiments, the battery receiving device further includes a third fastener connecting the cover and the tray and located below the second portion of the bracket. According to another aspect of the present application, a battery system for a vehicle is provided. The battery system includes a tray having a cavity, a cover disposed over the tray to seal the cavity, a battery assembly dispose