Contact apparatus, electromagnetic switch, onboard charger, and new energy vehicle

An electromagnetic switch, comprising:

• a driving apparatus and
• a contact apparatus, wherein the contact apparatus comprises a base body, two fixed contacts, and a moving contact component, wherein the base body has an inner cavity;
• the two fixed contacts are fastened to one end of the base body at intervals and extend into the inner cavity of the base body;
• the moving contact component comprises a pushing member and a moving contact;
• the pushing member is configured to be movably disposed through the base body, the moving contact is configured to be mounted on the pushing member and is located in the inner cavity of the base body, the moving contact comprises N parallel contact pieces, wherein N is an integer greater than 1, and the N parallel contact pieces are configured to be in contact with or being separated from the two fixed contacts under driving of the pushing member, wherein the moving contact component further comprises:
• a connection member;
• and
• a contact elastic member;
• the N parallel contact pieces are all provided with a first sliding hole;
• the connection member is configured to be slidably disposed through the first sliding hole and is fixedly connected to the pushing member, the contact elastic member is located between the N parallel contact pieces and the pushing member;
• and the N parallel contact pieces are configured to move toward or away from the fixed contacts relative to the pushing member;
• wherein
• one end that is of the base body and that is away from the fixed contacts is fixedly connected to the driving apparatus, the driving apparatus is connected to one end that is of the pushing member of the contact apparatus and that is away from the moving contact, and is configured to drive the pushing member to move.

An onboard charger comprising an electromagnetic switch, wherein the electromagnetic switch comprises:

• a driving apparatus;
• and
• a contact apparatus, wherein the contact apparatus comprises a base body, two fixed contacts, and a moving contact component, wherein the base body has an inner cavity;
• the two fixed contacts are fastened to one end of the base body at intervals and extend into the inner cavity of the base body, the moving contact component comprises a pushing member and a moving contact, the pushing member is configured to be movably disposed through the base body, the moving contact is configured to be mounted on the pushing member and is located in the inner cavity of the base body;
• the moving contact comprises N parallel contact pieces, wherein Nis an integer greater than 1;
• and the N parallel contact pieces are configured to be in contact with or being separated from the two fixed contacts under driving of the pushing member, wherein the moving contact component further comprises:
• a connection member and
• a contact elastic member;
• the N parallel contact pieces are all provided with a first sliding hole;
• the connection member is slidably disposed through the first sliding hole and is fixedly connected to the pushing member;
• the contact elastic member is located between the N parallel contact pieces and the pushing member;
• and the N parallel contact pieces are configured to move toward or away from the fixed contacts relative to the pushing member;
• wherein
• one end that is of the base body and that is away from the fixed contacts is fixedly connected to the driving apparatus, the driving apparatus is connected to one end that is of the pushing member of the contact apparatus and that is away from the moving contact, and is configured to drive the pushing member to move.