Air conditioning heat pump system using ejector, air conditioner, and air conditioner control method

An air conditioning heat pump system using an ejector, comprising:

• a compression assembly;
• an outdoor heat exchanger;
• a first throttle device;
• and
• an indoor heat exchanger and an ejector,
• wherein an injection inlet of the ejector is connected with another end of the indoor heat exchanger, a jet inlet of the ejector is connected with one end of the outdoor heat exchanger, an outlet end of the ejector is connected with a third end of the compression assembly, a first end of the compression assembly is connected with the one end of the outdoor heat exchanger, a second end of the compression assembly is connected with one end of the indoor heat exchanger, one end of the first throttle device is connected with another end of the outdoor heat exchanger, and another end of the first throttle device is connected with the another end of the indoor heat exchanger,
• wherein the air conditioning heat pump system using an ejector further comprises:
• a controllable valve for controlling the flow direction arranged on a pipe between the first end of the compression assembly and the one end of the outdoor heat exchanger;
• a first electromagnetic valve arranged on a pipe between the jet inlet of the ejector and the one end of the outdoor heat exchanger, the first electromagnetic valve being a two-way valve;
• a second electromagnetic valve arranged on a pipe between the another end of the first throttle device and the another end of the indoor heat exchanger;
• a third electromagnetic valve arranged on a pipe between the injection inlet of the ejector and the another end of the indoor heat exchanger;
• a first check valve arranged on a pipe between the third end of the compression assembly and the outlet end of the ejector;
• and
• a second check valve arranged on a pipe between a fourth end of the compression assembly and the another end of the first throttle device, and a controller,
• wherein a flow direction of the first check valve is from the outlet end of the ejector to the third end of the compression assembly,
• wherein a flow direction of the second check valve is from the fourth end of the compression assembly to the another end of the first throttle device,
• wherein the controllable valve is in an open state in order that a refrigerant flows from the first end of the compression assembly to the one end of the outdoor heat exchanger,
• wherein the controller is configured to control opening and closing of the first electromagnetic valve, the second electromagnetic valve, and the third electromagnetic valve according to a current operating mode, and
• wherein, the first throttle device includes one of an electronic expansion valve, an electronic expansion tube, or a capillary tube.

An outdoor unit of an air conditioner, comprising:

• a compression assembly;
• an outdoor heat exchanger;
• a first throttle device;
• and
• an ejector,
• wherein an injection inlet of the ejector is configured to be connected with another end of an indoor heat exchanger,
• wherein a jet inlet of the ejector is connected with one end of the outdoor heat exchanger,
• wherein an outlet end of the ejector is connected with a third end of the compression assembly,
• wherein a first end of the compression assembly is connected with the one end of the outdoor heat exchanger,
• wherein a second end of the compression assembly is configured to be connected with one end of the indoor heat exchanger,
• wherein one end of the first throttle device is connected with another end of the outdoor heat exchanger,
• wherein another end of the first throttle device is configured to be connected with the another end of the indoor heat exchanger, and
• wherein the air conditioning system using an ejector further comprises:
• a controllable valve for controlling the flow direction arranged on a pipe between the first end of the compression assembly and the one end of the outdoor heat exchanger;
• a first electromagnetic valve arranged on a pipe between the jet inlet of the ejector and the one end of the outdoor heat exchanger, the first electromagnetic valve being a two-way valve;
• a second electromagnetic valve arranged on a pipe configured to be between the another end of the first throttle device and the another end of the indoor heat exchanger;
• a third electromagnetic valve arranged on a pipe configured to be between the injection inlet of the ejector and the another end of the indoor heat exchanger;
• a first check valve arranged on a pipe between the third end of the compression assembly and the outlet end of the ejector;
• a second check valve arranged on a pipe between a fourth end of the compression assembly and the another end of the first throttle device;
• and
• a controller,
• wherein a flow direction of the first check valve is from the outlet end of the ejector to the third end of the compression assembly,
• wherein a flow direction of the second check valve is from the fourth end of the compression assembly to the another end of the first throttle device,
• wherein the controllable valve is in an open state in order that a refrigerant flows from the first end of the compression assembly to the one end of the outdoor heat exchanger, and
• wherein the controller is configured to control opening and closing of the first electromagnetic valve, the second electromagnetic valve, and the third electromagnetic valve according to a current operating mode.