Battery module and device

1. A battery module, comprising:

a plurality of battery units, comprising a battery top cover;

a temperature measurement unit, comprising a temperature collection element configured to collect temperature of the battery top cover;

a harness plate, arranged on the battery top cover and comprising a harness plate body and a limiting structure arranged on the harness plate body, wherein the limiting structure is configured to cooperate with the temperature measurement unit to limit the position of the temperature measurement unit;

a circuit board, arranged on the harness plate and comprising a circuit board body and an extending strip arranged on the circuit board body, wherein the temperature collection element is connected with the extending strip to transmit collected temperature signals to the circuit board body through the extending strip; and

an electrical connecting sheet, connecting adjacent battery units and arranged on the harness plate, wherein the temperature measurement unit is arranged between the electrical connecting sheet and the battery top cover, and the electrical connecting sheet is configured to exert pressure onto the temperature measurement unit, such that the temperature measurement unit is kept in contact with the battery top cover.

2. The battery module according to claim 1 , wherein the limiting structure is arranged between the electrical connecting sheet and the battery top cover, and

wherein the electrical connecting sheet is configured to exert pressure onto the temperature measurement unit through the limiting structure.

3. The battery module according to claim 1 , wherein the temperature measurement unit comprises a reinforcing plate,

wherein the reinforcing plate is connected with the extending strip,

wherein a connecting area, on the extending strip, of the temperature collection element is within a connecting area, on the extending strip, of the reinforcing plate,

wherein the limiting structure is fitted with the reinforcing plate in a limiting manner, and

wherein the electrical connecting sheet is configured to exert pressure onto the reinforcing plate of the temperature measurement unit through the limiting structure.

4. The battery module according to claim 3 , wherein the temperature collection element and the reinforcing plate are arranged at two sides of the extending strip respectively.

5. The battery module according to claim 3 , wherein the temperature collection element and the reinforcing plate are arranged at the same side of the extending strip, and

wherein the reinforcing plate comprises an accommodating hole in which the temperature collection element is located.

6. The battery module according to claim 3 , wherein the limiting structure comprises a limiting clamping groove, and

wherein the reinforcing plate is arranged in the limiting clamping groove.

7. The battery module according to claim 1 , wherein the limiting structure comprises a limiting protrusion which is configured to protrude towards the electrical connecting sheet, and

wherein the limiting protrusion is configured to abut against the electrical connecting sheet.

8. The battery module according to claim 1 , wherein the temperature measurement unit comprises a thermal conducting pad, and

wherein the thermal conducting pad is arranged between the temperature collection element and the battery top cover.

9. The battery module according to claim 8 , wherein the limiting structure comprises a limiting hole in which the thermal conducting pad is located.

10. The battery module according to claim 3 , wherein the temperature measurement unit comprises a thermal conducting pad,

wherein the thermal conducting pad is arranged between the reinforcing plate and the battery top cover,

wherein the thermal conducting pad is an elastic pad, and

wherein the thickness of the thermal conducting pad in the original state is greater than the distance between the reinforcing plate and the battery top cover.

11. The battery module according to claim 1 , wherein the extending strip comprises an extending strip body and an extending strip connecting part which is configured to connect the extending strip body with the circuit board body,

wherein the extending strip body is bent to be L-shaped,

wherein the extending strip body comprises a first part which is configured to extend along a length direction of the circuit board and a second part which is configured to extend along a width direction of the circuit board body, and

wherein the temperature collection element is connected with the second part.

12. The battery module according to claim 1 , wherein the battery unit comprises a top sheet fit with the battery top cover,

wherein the top sheet comprises a temperature collection opening, and

wherein the temperature measurement unit is fit with the battery top cover exposed at the temperature collection opening.

13. The battery module according to claim 1 , wherein the electrical connecting sheet comprises an avoiding hole, and

wherein the avoiding hole is configured to prevent contact between the electrical connecting sheet and the temperature collection element.

14. The battery module according to claim 1 , wherein the limiting structure is arranged in an opening of the harness plate body, and is configured to extend from the middle part of the harness plate body towards one side of the edge along a width direction of the harness plate body.

15. The battery module according to claim 1 , wherein the circuit board is a flexible circuit board, and/or

wherein the temperature collection element is an NTC temperature sensor.

16. A device, comprising the battery module according to claim 1 , wherein the battery module is configured to provide electric energy.