Combined cycle power device

Abstract

The combined cycle power device of the present invention belongs to the field of energy and power technology. A combined cycle power device comprises an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser and a mixed evaporator. A condenser connects a mixed evaporator. An expander connects the mixed evaporator. The mixed evaporator connects a compressor. The mixed evaporator passes through the second expander and connects the condenser. The compressor connects a high-temperature heat exchanger. A high-temperature evaporator connects the high-temperature heat exchanger after that the condenser passes through the second pump and connects the high-temperature evaporator. The high-temperature heat exchanger connects the expander. The high-temperature heat exchanger and the high-temperature evaporator have connect the outside respectively. The condenser connects the outside. The expander connects the compressor and transmits power.

What is claimed is: 
     
         1 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser and a mixed evaporator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel connected the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), a high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         2 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser and a mixed evaporator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature evaporator ( 7 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) has the heat source medium channel connected the outside, or the high-temperature evaporator ( 7 ) also has the heat source medium channel connected the outside, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         3 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator and a heating unit; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a heating unit ( 10 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the heating unit ( 10 ) has the heated medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         4 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator and a heating unit; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature evaporator ( 7 ) and a heating unit ( 10 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) has the heat source medium channel connected the outside, or the high-temperature evaporator ( 7 ) also has the heat source medium channel connected the outside, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the heating unit ( 10 ) has the heated medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         5 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser and a mixed evaporator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel connected the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ) through a intermediate vapor inlet channel, the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects a high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmit power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         6 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser and a mixed evaporator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel connected the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects a high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the expander ( 1 ) through a intermediate vapor inlet channel, wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         7 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser and a mixed evaporator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature evaporator ( 7 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ) through a intermediate vapor inlet channel, the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) has the heat source medium channel connected the outside, or the high-temperature evaporator ( 7 ) also has the heat source medium channel connected the outside, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         8 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser and a mixed evaporator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature evaporator ( 7 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the expander ( 1 ) through a intermediate vapor inlet channel, wherein the high-temperature heat exchanger ( 6 ) has the heat source medium channel connected the outside, or the high-temperature evaporator ( 7 ) also has the heat source medium channel connected the outside, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         9 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator and the third expander; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) and the third expander ( 11 ) have a low-pressure vapor channel connected the mixed evaporator ( 9 ) respectively, the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), a high-temperature evaporator ( 7 ) has a vapor channel connected the third expander ( 11 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         10 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator, the second compressor and the second high-temperature heat exchanger; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel connected the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), a high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the second compressor ( 12 ), the second compressor ( 12 ) has a vapor channel which passes through the second high-temperature heat exchanger ( 13 ) and connects the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ), the high-temperature evaporator ( 7 ) and the second high-temperature heat exchanger ( 13 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and the second compressor ( 12 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ), the second pump ( 5 ) and the second compressor ( 12 ) and transmits power. 
     
     
         11 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator, the second compressor and the second high-temperature heat exchanger; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature evaporator ( 7 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the second compressor ( 12 ), the second compressor ( 12 ) has a vapor channel which passes through the second high-temperature heat exchanger ( 13 ) and connects the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the second high-temperature heat exchanger ( 13 ) have the heat source medium channel connected the outside respectively, or the high-temperature evaporator ( 7 ) also has the heat source medium channel connected the outside, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and the second compressor ( 12 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ), the second pump ( 5 ) and the second compressor ( 12 ) and transmits power. 
     
     
         12 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator, the third expander and the second high-temperature heat exchanger; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel connected the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), a high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the third expander ( 11 ), the third expander ( 11 ) has a vapor channel which passes through the second high-temperature heat exchanger ( 13 ) and connects the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ), the high-temperature evaporator ( 7 ) and the second high-temperature heat exchanger ( 13 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         13 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator, the third expander and the second high-temperature heat exchanger; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature evaporator ( 7 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ) after that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the third expander ( 11 ), the third expander ( 11 ) has a vapor channel which passes through the second high-temperature heat exchanger ( 13 ) and connects the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the second high-temperature heat exchanger ( 13 ) have the heat source medium channel connected the outside respectively, or the high-temperature evaporator ( 7 ) also has the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         14 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator and a high-temperature regenerator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature regenerator ( 14 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel which passes through the high-temperature regenerator ( 14 ) and connects a high-temperature heat exchanger ( 6 ), the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects a high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel which passes through the high-temperature regenerator ( 14 ) and connects the high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         15 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator and a high-temperature regenerator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature regenerator ( 14 ) and a high-temperature evaporator ( 7 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel which passes through the high-temperature regenerator ( 14 ) and connects a high-temperature heat exchanger ( 6 ), the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel which passes through the high-temperature regenerator ( 14 ) and connects the high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) has the heat source medium channel connected the outside, or the high-temperature evaporator ( 7 ) also has the heat source medium channel connected the outside, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         16 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator, a heating unit and a high-temperature regenerator; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a high-temperature regenerator ( 14 ) and a heating unit ( 10 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel which passes through the high-temperature regenerator ( 14 ) and connects a high-temperature heat exchanger ( 6 ), the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects a high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel which passes through the high-temperature regenerator ( 14 ) and connects the high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the heating unit ( 10 ) has the heated medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         17 . A combined cycle power device comprising an expander, a compressor, the second expander, a pump, the second pump, a high-temperature heat exchanger, a high-temperature evaporator, a condenser, a mixed evaporator and a preheater; wherein a condenser ( 8 ) has a liquid refrigerant pipe which passes through a pump ( 4 ) and connects a mixed evaporator ( 9 ), an expander ( 1 ) has a low-pressure vapor channel which passes through a preheater ( 15 ) and connects the mixed evaporator ( 9 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel connected a compressor ( 2 ), the mixed evaporator ( 9 ) has a low-pressure vapor channel which passes through the second expander ( 3 ) and connects the condenser ( 8 ), the compressor ( 2 ) has a vapor channel connected a high-temperature heat exchanger ( 6 ), the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and the preheater ( 15 ) and connects a high-temperature evaporator ( 7 ), the high-temperature evaporator ( 7 ) has a vapor channel connected the high-temperature heat exchanger ( 6 ), the high-temperature heat exchanger ( 6 ) has a vapor channel connected the expander ( 1 ), wherein the high-temperature heat exchanger ( 6 ) and the high-temperature evaporator ( 7 ) have the heat source medium channel connected the outside respectively, the condenser ( 8 ) has the cooling medium channel connected the outside, or the mixed evaporator ( 9 ) also has the heat source medium channel connected the outside, the expander ( 1 ) connects the compressor ( 2 ) and transmits power, wherein or the expander ( 1 ) connects the compressor ( 2 ), the pump ( 4 ) and the second pump ( 5 ) and transmits power. 
     
     
         18 . The device according to any one of  claim 1 - 16 , wherein adding the low-temperature regenerator and the third pump, adjusting that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects the high-temperature evaporator ( 7 ) to that the condenser ( 8 ) has a liquid refrigerant pipe which passes through the second pump ( 5 ) and connects a low-temperature regenerator ( 16 ), the compressor ( 2 ) adds the vapor extraction channel connected the low-temperature regenerator ( 16 ), the low-temperature regenerator ( 16 ) has a liquid refrigerant pipe which passes through the third pump ( 17 ) and connects the high-temperature evaporator ( 7 ), a combined cycle power device is formed.