Protection assembly of battery module and battery module

A protection assembly of a battery module, comprising:

• a base, disposed with a supporting portion, an accommodating portion, and a separating portion, wherein
• the supporting portion is configured to dispose a positive lead and/or a negative lead of a busbar of the battery module;
• the accommodating portion is configured to accommodate a connector of the battery module, wherein the connector is configured to transmit a signal of the battery module to a battery management system;
• the supporting portion and the accommodating portion are located on a same side of the battery module;
• the separating portion is located between the supporting portion and the accommodating portion, and is configured to separate the connector from the positive lead and/or to separate the connector from the negative lead,
• the accommodating portion comprises an accommodating cavity for accommodating the connector;
• the accommodating portion further comprises a first opening communicated with the accommodating cavity and configured for the connector to move into the accommodating cavity along a first direction or for the connector to move out of the accommodating cavity along an opposite direction of the first direction;
• the protection assembly further comprises a fixing frame comprising a limiting member for covering the first opening to limit a movement of the connector along the opposite direction of the first direction;
• the accommodating portion, the supporting portion, and the separating portion are integrally disposed;
• the fixing frame further comprises an engagement member connected with the limiting member;
• the engagement member is configured to be engaged with the accommodating portion;
• the accommodating portion further comprises an installation cavity located between the accommodating cavity and the separating portion;
• a first engagement opening is disposed on a side wall of the installation cavity;
• the engagement member comprises a cantilever and a buckle disposed on the cantilever of the engagement member and configured to cooperate with the first engagement opening;
• and
• a ratio of a length of the cantilever of the engagement member to a thickness of the cantilever of the engagement member is not less than 5:1.