Expansion tank assembly and heat pump unit

Abstract

The utility model discloses an expansion tank assembly and a heat pump unit. The expansion tank assembly comprises an air bag type expansion tank with a cylindrical main body part, and the bottom of the air bag type expansion tank is provided with a connector part used for being connected with a pipeline; the L-shaped support comprises a horizontal part and a vertical part, the horizontal part is used for bearing the air bag type expansion tank, the horizontal part is provided with a receding opening used for allowing the connector part to penetrate through, and the vertical part is used for being fixed to a mounting face; the U-shaped hoop is arranged on the peripheral wall of the air bag type expansion tank in a surrounding mode, and the two ends of the U-shaped hoop are connected to the vertical part so that the air bag type expansion tank can be fixed to the vertical part. The expansion tank assembly adopts the air bag type expansion tank with better pressure resistance, has higher reliability, and can better bear the pressure generated by a water system during the operation of the heat pump unit for a long time; besides, the air bag type expansion tank is supported and fixed, vibration generated by the air bag type expansion tank during operation of the heat pump unit can be weakened, and therefore deformation of a metal pipe connected with the air bag type expansion tank can be prevented.

Images