Abstract: The present disclosure relates to an air-conditioning outdoor device and an air conditioner unit. The air-conditioning outdoor device comprises: an outdoor unit housing; a primary air return port and an air outlet port provided on a front panel on a side of the outdoor unit housing away from an installation wall; and a supplementary air return port provided on a side panel of the outdoor unit housing adjacent to the front panel; wherein the primary air return port and the supplementary air return port both communicate with an air return chamber inside the outdoor unit housing. The air-conditioning outdoor device of the present disclosure can effectively increase the air flow volume through the air port of the air-conditioning outdoor device.

Abstract: The present disclosure relates to an air-conditioning outdoor device and an air conditioner unit. The air-conditioning outdoor device comprises: an outdoor unit housing; a primary air return port and an air outlet port provided on a front panel on a side of the outdoor unit housing away from an installation wall; and a supplementary air return port provided on a side panel of the outdoor unit housing adjacent to the front panel; wherein the primary air return port and the supplementary air return port both communicate with an air return chamber inside the outdoor unit housing. The air-conditioning outdoor device of the present disclosure can effectively increase the air flow volume through the air port of the air-conditioning outdoor device.

Abstract: The invention discloses an electronic expansion valve. The electronic expansion valve includes: a valve body (10), a first chamber being formed in the valve body (10), a liquid inlet (11) and a liquid outlet (12) being oppositely provided at two ends of the valve body (10); a second chamber, provided in the first chamber, a coil (20) being provided in the second chamber; a third chamber, an inlet end of the third chamber being communicated with the liquid inlet (11), an outlet end of the third chamber being communicated with the liquid outlet (12), the inlet end of the third chamber and the outlet end of the third chamber being coaxially provided, and a valve core (31) being provided in the third chamber; and the first chamber being communicated with the liquid inlet (11) via the first liquid passage hole (33).

Abstract: The invention discloses an electronic expansion valve. The electronic expansion valve includes: a valve body (10), a first chamber being formed in the valve body (10), a liquid inlet (11) and a liquid outlet (12) being oppositely provided at two ends of the valve body (10); a second chamber, provided in the first chamber, a coil (20) being provided in the second chamber; a third chamber, an inlet end of the third chamber being communicated with the liquid inlet (11), an outlet end of the third chamber being communicated with the liquid outlet (12), the inlet end of the third chamber and the outlet end of the third chamber being coaxially provided, and a valve core (31) being provided in the third chamber; and the first chamber being communicated with the liquid inlet (11) via the first liquid passage hole (33).