Power freely-configurable plug-in battery pack, vehicle, and battery replacement method
Disclosed are a power freely-configurable plug-in battery pack, a vehicle, and a battery replacement method. The battery pack includes an installation box provided with a plurality of cell channels; a cell module pluggably installed in the cell channel, where a cell quick-replacement connector is provided between the cell module and the cell channel; and a controller, where the controller is electrically connected to the cell module through the cell quick-replacement connector and controls an operation of the cell module. The present application provides the cell channel in the battery pack and provides the cell quick-replacement connector, so that the cell module can be quickly plugged and unplugged relative to the cell channel, realizing the quick replacement of the cell module and improving the replacing efficiency of the battery pack.
1 . A power freely-configurable plug-in battery pack, comprising:
an installation box, wherein a plurality of cell channels are provided in the installation box;
a plurality of cell modules, wherein each of the plurality of cell modules is pluggably installed in a corresponding one of the plurality of cell channels, and a cell quick-replacement connector is provided between the cell module and one of the plurality of cell channels;
a controller; and
a plurality of switches electrically connected to the plurality of cell modules, wherein the controller is electrically connected to the cell module through the cell quick-replacement connector and is configured to control on/off states of the plurality of switches to selectively configure the plurality of cell modules in a series connection, a parallel connection, or a series-parallel connection, based on working status information of the plurality of cell modules.
2 . The power freely-configurable plug-in battery pack according to claim 1 , wherein a partition is formed between the two cell channels, the partition is provided with a flow channel, and wiring harnesses and/or pipelines are provided in the flow channel.
3 . The power freely-configurable plug-in battery pack according to claim 2 , wherein the installation box is further provided with a locking mechanism, and the locking mechanism is configured to limit and lock the cell module in the cell channel or to release and unlock of the cell module in the cell channel.
4 . The power freely-configurable plug-in battery pack according to claim 3 , wherein the locking mechanism is provided on the partition.
5 . The power freely-configurable plug-in battery pack according to claim 4 , wherein the cell channel is configured as a slot structure, and a bottom of the slot structure is provided close to the controller.
6 . The power freely-configurable plug-in battery pack according to claim 5 , wherein a dragging mechanism is provided in each cell channel, the dragging mechanism is configured to drag the cell module, and the cell module is detachably installed in the cell channel through the dragging mechanism.
7 . The power freely-configurable plug-in battery pack according to claim 6 , wherein the dragging mechanism is provided with a pull-out piece.
8 . The power freely-configurable plug-in battery pack according to claim 7 , wherein a vehicle further comprises a voltage-to-current converter electrically connected to the battery pack and a motor of the vehicle respectively.
9 . The power freely-configurable plug-in battery pack according to claim 8 , wherein the vehicle is a new energy vehicle, and is one of an electric vehicle (EV), a battery electric vehicle (BEV), and a hybrid electric vehicle (HEV).
10 . A battery pack power freely-configurable vehicle, wherein the power freely-configurable plug-in battery pack according to claim 1 is provided at a bottom of the vehicle, the cell channel is provided at a lower part of the battery pack and provided with an opening downward, and the cell module is inserted vertically upward in the cell channel.
11 . A battery replacement method for a vehicle with a power freely-configurable plug-in battery pack, applicable to the battery pack power freely-configurable vehicle according to claim 10 , comprising:
in response to a current power of the battery pack being lower than a first power threshold, determining a target cell module, wherein a power of the battery pack in the target cell module is lower than a second power threshold and the second power threshold is less than or equal to the first power threshold; and
replacing the target cell module based on the cell quick-replacement connector between the cell module and the cell channel, wherein a replacement cell module of the target cell module is inserted in a vertically upward direction.
12 . A battery pack power freely-configurable vehicle, wherein a body quick-replacement connector and the power freely-configurable plug-in battery pack according to claim 1 are provided at a bottom of the vehicle, the battery pack and the vehicle are connected through the body quick-replacement connector, the cell channel is provided at a lower part of the battery pack and provided with an opening downward, and the cell module is inserted vertically upward in the cell channel.
13 . A battery replacement method for the vehicle with the power freely-configurable plug-in battery pack, applicable to the battery pack power freely-configurable vehicle according to claim 12 , comprising:
in response to a current power of the battery pack being lower than a first power threshold, replacing an entire battery pack based on the body quick-replacement connector between the battery pack and the vehicle.
14 . A battery replacement method for the vehicle with the power freely-configurable plug-in battery pack, applicable to the battery pack power freely-configurable vehicle according to claim 12 , comprising:
in response to a current power of the battery pack being lower than a first power threshold, determining a target cell module, wherein a power of the battery pack in the target cell module is lower than a second power threshold and the second power threshold is less than or equal to the first power threshold; and
replacing the target cell module based on the cell quick-replacement connector between the cell module and the cell channel, wherein a replacement cell module of the target cell module is inserted in a vertically upward direction.
15 . A battery pack power freely-configurable vehicle, wherein a power freely-configurable plug-in battery pack according to claim 1 is provided in a trunk of the vehicle, the cell channel is provided horizontally, and the cell module is inserted horizontally in the cell channel.
16 . A battery replacement method for a vehicle with a power freely-configurable plug-in battery pack, applicable to the battery pack power freely-configurable vehicle according to claim 15 , comprising:
in response to a current power of the battery pack being lower than a first power threshold, determining a target cell module, wherein a power of the battery pack in the target cell module is lower than a second power threshold and the second power threshold is less than or equal to the first power threshold; and
replacing the target cell module based on the cell quick-replacement connector between the cell module and the cell channel, wherein a replacement cell module of the target cell module is inserted in a horizontal direction.
17 . A battery pack power freely-configurable vehicle, wherein a power freely-configurable plug-in battery pack according to claim 1 is provided in a front of the vehicle, the cell channel is provided on an upper part of the battery pack and provided with an opening vertically upward, and the cell module is inserted vertically downward in the cell channel.
18 . A battery replacement method for a vehicle with a power freely-configurable plug-in battery pack, applicable to the battery pack power freely-configurable vehicle according to claim 17 , comprising:
in response to a current power of the battery pack being lower than a first power threshold, determining a target cell module, wherein a power of the battery pack in the target cell module is lower than a second power threshold and the second power threshold is less than or equal to the first power threshold; and
replacing the target cell module based on the cell quick-replacement connector between the cell module and the cell channel, wherein a replacement cell module of the target cell module is inserted in a vertically downward direction.