Battery module and apparatus
The present application relates to a battery module including: multiple battery units, the battery units being arranged side by side along a length direction of the battery module, the battery unit including a top cover; a circuit board, arranged above the top cover in a height direction, the circuit board being provided with a temperature collection circuit; a heat-conducting element, a first end of the heat-conducting element being connected to the circuit board, and at least part of the heat-conducting element being in contact with the top cover; and a temperature detection component, arranged on the heat-conducting element and signal-connected to the temperature collection circuit.
1. A battery module, comprising:
a plurality of battery units arranged side by side along a length direction of the battery module, and each of the battery units comprising a top cover;
a circuit board disposed above the top cover in a height direction, the circuit board being provided with a temperature collection circuit;
a heat-conducting element, a first end of the heat-conducting element being connected to the circuit board, and at least part of the heat-conducting element being in contact with the top cover,
a temperature detection component disposed on the heat-conducting element and signal-connected to the temperature collection circuit, the temperature detection component being configured to collect a temperature of the top cover;
a wire harness board disposed on the top cover along the height direction, the wire harness board comprising a mounting base, wherein the circuit board is disposed on the wire harness board, and a second end of the heat-conducting element is disposed on the mounting base; and
a busbar disposed on the wire harness board, the top cover being provided with electrode terminals, and the busbar being connected to the electrode terminals of an adjacent battery unit, the busbar being provided with a second through slot configured to avoid the heat-conducting element, and the busbar being pressed on an upper surface of the mounting base.
2. The battery module according to claim 1 , wherein the heat-conducting element comprises:
a first bending portion configured to be at least partially in contact with the top cover; and
a first mounting portion and a second mounting portion, respectively located at two ends of the first bending portion along a width direction of the battery module, and configured to be fixed to the wire harness board, and an end of the first mounting portion away from the first bending portion serving as the first end of the heat-conducting element and being fixed to the circuit board and mounted with the temperature detection component;
wherein the first bending portion is convex downward relative to a plane where the first mounting portion and the second mounting portion are located.
3. The battery module according to claim 1 , wherein the heat-conducting element is formed by bending an elongated plate-shaped structure.
4. The battery module according to claim 2 , wherein the first bending portion comprises:
a bottom plate being in contact with the top cover; and
two side plates, upper ends of the two side plates being connected to the first mounting portion and the second mounting portion, respectively, and lower ends of the two side plates being connected with two ends of the bottom plate, respectively.
5. The battery module according to claim 4 , wherein a distance between the two side plates gradually decreases from top to bottom, and the bottom plate is a flat plate.
6. The battery module according to claim 2 , wherein each of the first mounting portion and the second mounting portion is provided with a second bending portion, the second bending portion is convex downward relative to the plane where the first mounting portion and the second mounting portion are located.
7. The battery module according to claim 6 , wherein a size of the second bending portion along the height direction of the battery module is smaller than a size of the first bending portion along the height direction of the battery module.
8. The battery module according to claim 6 , wherein a size of the second bending portion along the width direction of the battery module is smaller than a size of the first bending portion along the width direction of the battery module.
9. The battery module according to claim 1 , wherein a positioning structure is provided between the heat-conducting element and the mounting base, and is configured to position the heat-conducting element.
10. The battery module according to claim 2 , wherein a positioning structure is provided between the heat-conducting element and the mounting base, and the positioning structure comprises:
a first through hole, disposed on at least one of the first mounting portion and the second mounting portion; and
a positioning post disposed at a position corresponding to the first through hole on the mounting base, the positioning post being inserted in the first through hole.
11. The battery module according to claim 1 , wherein the mounting base is provided with a first through slot, and the heat-conducting element is configured to pass through the first through slot from top to bottom to be in contact with the top cover.
12. The battery module according to claim 1 , wherein the mounting base is provided with a rib in an area in contact with the busbar, and the busbar is in contact with a top surface of the rib.
13. The battery module according to claim 1 , wherein a first end of the heat-conducting element connected to the circuit board is provided with a mounting hole, and the temperature detection component is located in the mounting hole and signal-connected to the temperature collection circuit of the circuit board.
14. The battery module according to claim 12 , wherein an area between the mounting hole and the temperature detection component is filled with a thermally conductive adhesive.
15. An apparatus, comprising a battery module according to claim 1 , the battery module being configured to provide electrical energy.
16. A battery module, comprising:
a plurality of battery units arranged side by side along a length direction of the battery module, and each of the battery units comprising a top cover;
a circuit board disposed above the top cover in a height direction, the circuit board being provided with a temperature collection circuit;
a heat-conducting element, a first end of the heat-conducting element being connected to the circuit board, and at least part of the heat-conducting element being in contact with the top cover;
a temperature detection component disposed on the heat-conducting element and signal-connected to the temperature collection circuit, the temperature detection component being configured to collect a temperature of the top cover;
a wire harness board disposed on the top cover along the height direction, the wire harness board comprising a mounting base, wherein the circuit board is disposed on the wire harness board, and a second end of the heat-conducting element is disposed on the mounting base,
wherein the heat-conducting element comprises:
a first bending portion configured to be at least partially in contact with the top cover; and
a first mounting portion and a second mounting portion, respectively located at two ends of the first bending portion along a width direction of the battery module, and configured to be fixed to the wire harness board, and an end of the first mounting portion away from the first bending portion serving as the first end of the heat-conducting element and being fixed to the circuit board and mounted with the temperature detection component;
wherein the first bending portion is convex downward relative to a plane where the first mounting portion and the second mounting portion are located.
17. The battery module according to claim 16 , wherein the first bending portion comprises:
a bottom plate being in contact with the top cover; and
two side plates, upper ends of the two side plates being connected to the first mounting portion and the second mounting portion, respectively, and lower ends of the two side plates being connected with two ends of the bottom plate, respectively.
18. The battery module according to claim 17 , wherein a distance between the two side plates gradually decreases from top to bottom, and the bottom plate is a flat plate.
19. The battery module according to claim 16 , wherein each of the first mounting portion and the second mounting portion is provided with a second bending portion, the second bending portion is convex downward relative to the plane where the first mounting portion and the second mounting portion are located.
20. The battery module according to claim 16 , wherein a first end of the heat-conducting element connected to the circuit board is provided with a mounting hole, and the temperature detection component is located in the mounting hole and signal-connected to the temperature collection circuit of the circuit board.