REFRIGERATING CAPACITY CONTROL DEVICE, A TESTING APPARATUS AND A REFRIGERATING CONTROL METHOD USING THE DEVICE

摘要

This invention hereof discloses a refrigerating capacity control device, a test apparatus and a refrigerating control method using the device. The refrigerating capacity control device comprises a compressor (2), a condenser (5), an evaporator (7), a controller (1), a pressure regulating valve (4), a throttling device (6), a control panel (13) for driving a hot-gas valve, and a hot-gas valve (11). The controller is connected with the hot-gas valve (11) through the control panel (13) for driving a hot-gas valve; the pressure regulating valve (1) is disposed between an outlet of the compressor (2) and an inlet of the condenser (5) that are arranged in the refrigerating device; the throttling device (6) is disposed between an outlet of the condenser (5) and an inlet of the evaporator (7); one-end of the hot-gas valve (11) is disposed on a pipeline between the outlet of the compressor (2) and the front end of the pressure regulating valve (4), and the other end thereof is disposed on a pipeline that is between the throttling device (6) and an inlet of the evaporator (7).

主权项

1. A refrigerating capacity control device comprising a refrigerating device, the refrigerating device including a compressor, an evaporator and a condenser, the compressor, the evaporator and the condenser being connected sequentially by pipelines;
characterized by also comprising a controller, a pressure regulating valve, a throttling device, a control panel for driving a hot-gas valve and a hot-gas valve; the pressure regulating valve being located between a discharge outlet of the compressor of the refrigerating device and an inlet of the condenser; the throttling device being installed between an outlet of the condenser of the refrigerating device and an inlet of the evaporator; the hot-gas valve having one end installed on a pipeline between the discharge outlet of the compressor and a front end of the pressure regulating valve, and another end installed on a pipeline between a location downstream from the throttling device and the inlet of the evaporator; and the control panel for driving a hot-gas valve connecting the hot-gas valve to the controller.