Emptying device for heat pump
An evacuation device, heat pump technology, applied in heat pumps, lighting and heating equipment, refrigeration components, etc., can solve problems such as failure to discharge, shutdown, air leakage and accumulation on its high-pressure side, etc., to ensure safe operation, avoid The effect of downtime
Inactive Publication Date: 2016-12-07
SHANGHAI COMER MACHINERY
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to provide an emptying device for heat pumps in order to overcome the defect that air easily leaks into the low-pressure side of the heat pump in the prior art and accumulates on the high-pressure side and cannot be discharged to cause its failure to shut down.
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[0062] A preferred embodiment will be given below, and the present invention will be described more clearly and completely in conjunction with the accompanying drawings.
[0063] Such as figure 1 Shown, an evacuation device for a heat pump. The emptying device has a gas collection assembly 100 , a first exhaust pipe 210 , a second exhaust pipe 220 , and a third liquid discharge pipe 230 . At the same time, a fourth liquid inlet pipe 240 and a fifth air return pipe 250 are provided.
[0064] The air collecting assembly 100 has a first channel 110 and a second channel 120 sleeved on the first channel 110 . Both ends of the first channel 110 have a first inlet 111 and a first outlet 112 . The second channel 120 has a second air inlet 121 , a second air outlet 122 , and a second liquid outlet 123 . The first inlet 111 is used to introduce the cold source, and the first outlet 112 is used to discharge the cold source.
[0065] The air collecting assembly 100 realizes the funct...
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The invention discloses an emptying device for a heat pump. The emptying device comprises an air collection assembly, a first exhaust pipe, a second exhaust pipe and a third liquid drain pipe. The air collection assembly is provided with a first channel and a second channel arranged on the first channel in a sleeving mode. A first inlet and a first outlet are formed in the two ends of the first channel. The second channel is provided with a second air inlet, a second air outlet and a second liquid outlet. One end of the first exhaust pipe communicates with the first exhaust end of the heat pump, and the other end of the first exhaust pipe communicates with the second air inlet. One end of the second exhaust pipe communicates with the second air outlet. One end of the third liquid drain pipe communicates with the second liquid outlet, and the other end of the third liquid drain pipe communicates with the first liquid return end of the heat pump. According to the emptying device for the heat pump, air leaking into the heat pump can be exhausted smoothly; meanwhile, refrigerant gas mixed into the air to be exhausted is condensed, condensed refrigerant liquid can flow back to the heat pump and participate in refrigerant circulation of the heat pump again, the total quantity of the refrigerant is guaranteed unchanged, accidental shutdown of the heat pump is avoided, and safe operation of the heat pump is ensured.
Description
technical field [0001] The present invention relates to a heat pump system, in particular to an emptying device for a heat pump. Background technique [0002] The low-pressure side of the existing low-ambient temperature heat pump is in a negative pressure state during operation, and air is easy to leak into the heat pump. Because air is a non-condensable gas, after leaking into the heat pump, it will accumulate on the high-pressure side of the heat pump, such as the condenser, liquid receiver, etc., and cannot be condensed or discharged, making the pressure of the heat pump higher than the normal value, resulting in a high-pressure alarm protection shutdown, affecting The heat pump is normal and safe to use. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an emptying device for heat pumps in order to overcome the defect that air easily leaks into the low-pressure side of the heat pump in the prior art and accum...
Claims
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Login to View More IPC IPC(8): F25B30/00F25B43/00
CPCF25B30/00F25B43/00
Inventor 董翔邓壮郑文杰张恩启王乐民
Owner SHANGHAI COMER MACHINERY