CN115122870A - Energy recovery device of electric automobile - Google Patents
Energy recovery device of electric automobile Download PDFInfo
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- CN115122870A CN115122870A CN202210883996.XA CN202210883996A CN115122870A CN 115122870 A CN115122870 A CN 115122870A CN 202210883996 A CN202210883996 A CN 202210883996A CN 115122870 A CN115122870 A CN 115122870A
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- fresh air
- heat exchanger
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H1/00028—Constructional lay-out of the devices in the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00321—Heat exchangers for air-conditioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00457—Ventilation unit, e.g. combined with a radiator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3207—Control means therefor for minimizing the humidity of the air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3208—Vehicle drive related control of the compressor drive means, e.g. for fuel saving purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3213—Control means therefor for increasing the efficiency in a vehicle heat pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0608—Filter arrangements in the air stream
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an energy recovery device of an electric automobile, which comprises a fresh air heater shell and an exhaust heat recoverer shell, wherein a fresh air filter is arranged in the fresh air heater shell, a first fresh air heat exchanger, a second fresh air heat exchanger, a third fresh air heat exchanger and a fresh air heat exchange coil are sequentially arranged on one side of the fresh air filter in the fresh air heater shell, a speed-regulating exhaust fan and a third heater are arranged in the fresh air heater shell and on the right side of the fresh air heat exchange coil, one end of the fresh air heater shell is provided with a fresh air supply outlet, and the other end of the fresh air heater shell is provided with a fresh air outlet. The system has the advantages that when air in the new energy automobile is ventilated, cold recovery and heat recovery are carried out on the air in the automobile, the system is additionally provided with physical section heat recovery, the heat recovery efficiency is higher and can reach more than percent, and in addition, the dehumidification function is also realized when the air humidity is higher.
Description
Technical Field
The invention relates to the field of energy-saving equipment of ventilation air conditioners, in particular to an energy recovery device of an electric automobile.
Background
The existing electric automobile is not provided with a ventilation air-conditioning ventilation heat recovery system, and the ventilation air-conditioning ventilation heat recovery system of the existing electric automobile is supplemented by the design. The heat recovery efficiency of the heat recovery device of the conventional ventilation air conditioner is lower, and the heat recovery can be only carried out, but the temperature of fresh air cannot be adjusted, so that the system fills the blank that the heat recovery of exhausted air needs to introduce a heat source (cold source) to heat (refrigerate) the fresh air.
Disclosure of Invention
The invention aims to solve the problems and designs an energy recovery device of an electric automobile.
The technical scheme of the invention is that the energy recovery device of the electric automobile comprises a fresh air heater shell and an exhaust heat recoverer shell, wherein a fresh air filter is arranged in the fresh air heater shell, a first fresh air heat exchanger, a second fresh air heat exchanger, a third fresh air heat exchanger and a fresh air heat exchange coil are sequentially arranged on one side of the fresh air filter in the fresh air heater shell, a speed-regulating fresh air fan and a third heater are arranged in the fresh air heater shell and on the right side of the fresh air heat exchange coil, one end of the fresh air heater shell is provided with a fresh air inlet, the other end of the fresh air heater shell is provided with a fresh air outlet, the fresh air heat exchange coil is connected with an energy storage device through a first pipeline, one end of the energy storage device is connected with a second heat exchanger through a second pipeline, and a second heater is arranged in the second heat exchanger, the fresh air heat exchange coil is connected with a third circulating water pump through a third pipeline, the third circulating water pump is connected with a fourth throttling device through a fourth pipeline, and the fourth throttling device is connected with the second heat exchanger through a fifth pipeline.
The wind heat recovery device is characterized in that a speed-regulating air exhaust fan is installed in a shell of the exhaust air heat recovery device, an air exhaust heat exchanger four, a first heat recovery heat exchanger and a second heat recovery heat exchanger are installed in the shell of the exhaust air heat recovery device and located on the right side of the speed-regulating air exhaust fan, a third heat recovery heat exchanger and an air exhaust filter are installed in the shell of the exhaust air heat recovery device, an air exhaust air outlet is formed in one end of the shell of the exhaust air heat recovery device, an air exhaust air supply outlet is formed in the other end of the shell of the exhaust air heat recovery device, the four-way air exhaust heat exchanger is connected with a first heat exchanger through a fifth pipeline, a first heater is arranged on the first heat exchanger, the four-way air exhaust heat exchanger is connected with a third throttling device through a sixth pipeline, the third throttling device is connected with a second circulating water pump through a seventh pipeline, and the second circulating water pump is connected with the first heat exchanger through an eighth pipeline.
A ninth pipeline is arranged at one end of the first heat exchanger, a four-way reversing valve is arranged on the ninth pipeline, the four-way reversing valve is connected with a gas-liquid separator through a tenth pipeline, the four-way reversing valve is connected with a variable frequency compressor through an eleventh pipeline, the variable frequency compressor is connected with the gas-liquid separator through a twelfth pipeline, the four-way reversing valve is connected with the second heat exchanger through a thirteenth pipeline, the variable frequency compressor is connected with an enthalpy increasing device through a fourteenth pipeline, the enthalpy increasing device is provided with a pair of fifteenth pipelines, an enthalpy increasing valve and a throttle valve are respectively arranged on the fifteenth pipeline, the fifteenth pipes are connected with the first heat exchanger through sixteenth pipelines, and a stop valve is arranged on the sixteenth pipeline and between the pair of fifteenth pipelines, and the second heat exchanger is connected with an enthalpy increasing device through a seventeenth pipeline.
Sixth pipeline has second throttling arrangement through eighteenth pipe connection, there is outer heat exchange coil pipe through nineteenth pipe connection on the second throttling arrangement, install the frame fan of taking on the outer heat exchange coil pipe, the blast gate that keeps out the wind is installed to outer heat exchange coil pipe lower extreme, the fifth pipeline is connected with outer heat exchange coil pipe through twenty-sixth pipeline.
A first drainage hole is formed in the shell of the fresh air heater and in the front of the fresh air heat exchange coil.
And a second drain hole and a condensed water heater are formed in the shell of the exhaust heat recoverer.
The first heat recovery heat exchanger is connected with the first fresh air heat exchanger through a twentieth pipeline, the third heat recovery heat exchanger is connected with the third fresh air heat exchanger through a twenty-first pipeline, and a first pressure stabilizing device, a first circulating pump and a first throttling device are installed on the twenty-first pipeline.
The first fresh air heat exchanger and the second fresh air heat exchanger are connected through a twenty-two pipeline, and the second fresh air heat exchanger and the third fresh air heat exchanger are connected through a twenty-three pipeline.
The first heat recovery heat exchanger and the second heat recovery heat exchanger are connected through a twenty-fourth pipeline, and the second heat recovery heat exchanger and the third heat recovery heat exchanger are connected through a twenty-fifth pipeline.
The fresh air recovery device is characterized in that a fresh air automatic air valve is installed in a fresh air supply port on a fresh air heater shell, an internal circulation air duct is formed in the fresh air heater shell, an air exhaust automatic air valve is installed in an air exhaust outlet on an exhaust air heat recovery device shell, an air exhaust internal circulation air duct is formed in the exhaust air heat recovery device shell, and an air exhaust internal circulation automatic air valve is installed in the air exhaust internal circulation air duct.
The energy recovery device of the electric automobile manufactured by the technical scheme of the invention can be used for carrying out cold recovery and heat recovery on air in the automobile when the air in the new energy automobile is exchanged, the system is added with physical section heat recovery, the heat recovery efficiency is higher and can reach more than 90%, in addition, the energy recovery device has a dehumidification function when the air humidity is higher, moisture in fresh air is condensed and dehumidified by the fresh air heat exchange coil pipe, and then the relative humidity in the air is heated by electric heating to reduce the temperature, so that the problems of difficult defrosting, more defrosting energy consumption and the like of the existing heat pump are solved, and waste heat generated by the electric automobile can be comprehensively utilized to supply the waste heat to the automobile
This heat recovery combined system increases the blast gate that keeps out the wind, takes frame fan, outer heat exchange coil pipe on traditional heat recovery system basis for this system can just can be to new trend heating (refrigeration) at not introducing heat source (cold source), and combination formula heat recovery has compensatied the shortcoming that single physics heat recovery device heat recovery and single heat pump heat recovery efficiency are low, makes heat recovery efficiency higher.
The system can carry out heat recovery on the exhaust air in a winter physical segment heat recovery system, and the refrigerant heat recovery system can further carry out heat recovery on the exhaust air, so that the heat recovery efficiency is increased, and the fresh air can be further heated, so that the temperature of the fresh air can be better adjusted; the heat recovery system can carry out cold recovery on the exhaust air in the summer physical section, so that the refrigeration efficiency of the system is increased, the refrigerant heat recovery system can further carry out heat recovery on the exhaust air, and further cool the fresh air, so that the temperature of the fresh air can be adjusted; the refrigeration efficiency of the system is increased, and the power consumption of the compressor is reduced.
Heating in winter can make the extrinsic cycle wind make electric energy consumption increase, if do not open extrinsic cycle wind can make the interior glass of car frost, increase the vehicle danger of traveling, this system can retrieve the heat in the air exhaust and be used for heating new trend in the vehicle extrinsic cycle in winter, and heat recovery heat exchanger four can absorb the heat increase heat pump efficiency of airing exhaust in the car.
When the ambient temperature is low, and when the heat quantity needed in the vehicle is large, the heat exchange coil 22 can be started to absorb the heat quantity outside the vehicle, so that the temperature in the vehicle is increased. After the fresh air is heated by the fresh air heat exchange coil, the temperature of the fresh air is higher than the temperature of the exhaust air, so that the heating effect is achieved; when ambient temperature is higher, can start heat exchange coil, in releasing the atmosphere with the heat in airing exhaust, make the new trend through the cooling back of new trend heat exchange coil for the new trend temperature is less than the temperature of airing exhaust, plays cryogenic effect.
For extreme weather (extremely hot or cold), the heat exchange coil can still meet the requirements of heating and cooling by starting.
The heat recovery combined system is not only suitable for electric automobile systems but also suitable for public buildings and people. The ventilation and heat recovery of the building.
Drawings
Fig. 1 is a schematic structural diagram of an energy recovery device of an electric vehicle according to the present invention;
fig. 2 is an electric control diagram of an energy recovery device of an electric vehicle according to the present invention;
in the figure, 1, a speed-regulating exhaust fan; 2. speed-regulating fresh air fan; 3. a first heat recovery heat exchanger; 4. a second heat recovery heat exchanger; 5. a third heat recovery heat exchanger; 6. a first fresh air heat exchanger; 7. a second fresh air heat exchanger; 8. a third fresh air heat exchanger; 9. a third heater; 10. an exhaust heat exchanger IV; 11. a fresh air heat exchange coil; 12. a fresh air filter; 13. an exhaust air filter; 14. a fresh air automatic air valve; 15. an automatic air exhaust valve; 16. a first circulation pump; 17. a first throttling device; 18. a first drain hole; 19. a second drain hole; 20. a wind-blocking valve; 21. a fan with a frame; 22. an external heat exchange coil; 23. a second throttling device; 24. a third throttling means; 25. a second circulating water pump; 26. a first heat exchanger; 27. a first heater; 28. a gas-liquid separator; 29. a variable frequency compressor; 30. a four-way reversing valve; 31. an enthalpy increasing device; 32. a second heat exchanger; 33. a second heater; 34. a fourth throttling device; 35. a third circulating water pump; 36. an energy storage device; 37. an enthalpy increasing valve; 38. a stop valve; 39. a throttle valve; 40. a first central controller; 41. a condensed water heater; 42. a casing of the exhaust heat recoverer; 43. a fresh air heater shell; 44. an exhaust internal circulation automatic air valve; 45. an internal circulation automatic air valve; 46. an in-vehicle control panel; 55. a first voltage stabilizer; 56. a fresh air supply outlet; 57. a fresh air inlet; 58. an air exhaust and supply outlet; 59. an air exhaust outlet; 60. a second central controller.
Detailed Description
The invention will be described in detail with reference to the accompanying drawings, as shown in fig. 1-2, an energy recovery device for an electric vehicle comprises a fresh air heater housing 43 and an exhaust heat recovery device housing 42, a fresh air filter 12 is installed in the fresh air heater housing 43, a first fresh air heat exchanger 6, a second fresh air heat exchanger 7, a third fresh air heat exchanger 8 and a fresh air heat exchange coil 11 are sequentially installed in the fresh air heater housing 43 at one side of the fresh air filter 12, a speed-adjusting fresh air fan 2 and a third heater 9 are installed in the fresh air heater housing 43 and at the right side of the fresh air heat exchange coil 11, one end of the fresh air heater housing 43 is provided with a fresh air supply outlet 56, the other end of the fresh air heater housing is provided with a fresh air inlet 57, the fresh air heat exchange coil 11 is connected with an energy storage device 36 through a first pipeline, one end of the energy storage device 36 is connected with a second heat exchanger 32 through a second pipeline, a first heater 33 is installed in the second heat exchanger 32, the fresh air heat exchange coil 11 is connected with a third circulating water pump 35 through a third pipeline, the third circulating water pump 35 is connected with a fourth throttling device 34 through a fourth pipeline, and the fourth throttling device 34 is connected with the second heat exchanger 32 through a fifth pipeline.
A speed-regulating fresh air fan 1 is installed in an exhaust air heat recoverer shell 42, an exhaust air heat exchanger four 10, a first heat recovery heat exchanger 3 and a second heat recovery heat exchanger 4 are installed in the exhaust air heat recoverer shell 42 and located on the right side of the speed-regulating exhaust air fan 1, a third heat recovery heat exchanger 5 and an exhaust air filter 13 are installed in the exhaust air heat recoverer shell 42, an exhaust air outlet 59 is formed in one end of the exhaust air heat recoverer shell 42, an exhaust air supply outlet 58 is formed in the other end of the exhaust air heat recoverer shell, the exhaust air heat exchanger four 10 is connected with a first heat exchanger 26 through a fifth pipeline, a first heater 27 is arranged on the first heat exchanger 26, the exhaust air heat exchanger four 10 is connected with a third throttling device 24 through a sixth pipeline, the third throttling device 24 is connected with a second circulating water pump 25 through a seventh pipeline, and the second circulating water pump 25 is connected with the first heat exchanger 26 through an eighth pipeline;
a ninth pipeline is installed at one end of the first heat exchanger 26, a four-way reversing valve 30 is installed on the ninth pipeline, the four-way reversing valve 30 is connected with a gas-liquid separator 28 through a tenth pipeline, the four-way reversing valve 30 is connected with a variable-frequency compressor 29 through an eleventh pipeline, the variable-frequency compressor 29 is connected with the gas-liquid separator 28 through a twelfth pipeline, the four-way reversing valve 30 is connected with the second heat exchanger 32 through a thirteenth pipeline, the variable-frequency compressor 29 is connected with an enthalpy increasing device 31 through a fourteenth pipeline, a pair of fifteenth pipelines are arranged on the enthalpy increasing device 31, an enthalpy increasing valve 37 and a throttle valve 39 are installed on the fifteenth pipeline respectively, the pair of fifteenth pipelines are connected with the first heat exchanger 26 through a sixteenth pipeline, a stop valve 38 is installed on the sixteenth pipeline and between the pair of fifteenth pipelines, and the second heat exchanger 32 is connected with the enthalpy increasing device 31 through a seventeenth pipeline.
The sixth pipeline is connected with a second throttling device 23 through an eighteenth pipeline, the second throttling device 23 is connected with an outer heat exchange coil 22 through a nineteenth pipeline, a fan 21 with a frame is installed on the outer heat exchange coil 22, a wind shielding valve 20 is installed at the lower end of the outer heat exchange coil 22, and the fifth pipeline is connected with the outer heat exchange coil 22 through a twenty-sixth pipeline.
The fresh air heater shell 43 is provided with a first drainage hole 18 in front of the fresh air heat exchange coil 11.
The exhaust heat recovery device casing 42 is provided with a second drain hole 19 and a condensed water heater 41.
The first heat recovery heat exchanger 3 is connected with the first fresh air heat exchanger 6 through a twentieth pipeline, the third heat recovery heat exchanger 5 is connected with the third fresh air heat exchanger 8 through a twenty-first pipeline, and a first pressure stabilizing device 55, a first circulating pump 16 and a first throttling device 17 are installed on the twenty-first pipeline.
The first fresh air heat exchanger 6 and the second fresh air heat exchanger 7 are connected through a twenty-two pipeline, and the second fresh air heat exchanger 7 and the third fresh air heat exchanger 8 are connected through a twenty-three pipeline.
The first heat recovery heat exchanger 3 and the second heat recovery heat exchanger 4 are connected by a twenty-fourth pipe, and the second heat recovery heat exchanger 4 and the third heat recovery heat exchanger 5 are connected by a twenty-fifth pipe.
The fresh air supply outlet 56 on the fresh air heater shell 43 is internally provided with a fresh air automatic air valve 14, and the fresh air heater shell 43 is provided with an internal circulation air duct.
An exhaust automatic air valve 15 is installed in an exhaust air outlet 59 on the exhaust heat recovery device shell 42, an exhaust internal circulation air duct is arranged on the exhaust heat recovery device shell 42, and an exhaust internal circulation automatic air valve 44 is installed in the exhaust internal circulation air duct.
The embodiment is characterized by comprising a fresh air heater shell 43 and an exhaust heat recoverer shell 42, wherein a fresh air filter 12 is arranged in the fresh air heater shell 43, a first fresh air heat exchanger 6, a second fresh air heat exchanger 7, a third fresh air heat exchanger 8 and a fresh air heat exchange coil 11 are sequentially arranged on one side of the fresh air filter 12 in the fresh air heater shell 43, a speed-regulating exhaust fan 2 and a third heater 9 are arranged in the fresh air heater shell 43 and on the right side of the fresh air heat exchange coil 11, one end of the fresh air heater shell 43 is provided with a fresh air supply outlet 56, the other end of the fresh air heater shell is provided with a fresh air inlet 57, the fresh air heat exchange coil 11 is connected with an energy storage device 36 through a first pipeline, one end of the energy storage device 36 is connected with a second heat exchanger 32 through a second pipeline, a second heater 33 is arranged in the second heat exchanger 32, and the fresh air heat exchange coil 11 is connected with a third circulating water pump 35 through a third pipeline, third circulating water pump 35 has fourth throttling arrangement 34 through the fourth pipe connection, fourth throttling arrangement 34 is connected with second heat exchanger 32 through the fifth pipeline, when taking a breath to the air in the new energy automobile, carry out cold recovery and heat recovery to the air in the car, the system has increased the heat recovery of physics section, heat recovery efficiency is higher can reach more than 90%, in addition there is dehumidification function when air humidity is great, through the moisture condensation dehumidification in new trend heat exchange coil 11 in with the new trend, rethread electrical heating intensifies, reduce the relative humidity in the air, this system has eliminated present heat pump and has had the difficulty of changing the frost, it consumes many scheduling problems to change the frost, and can the waste heat that the comprehensive utilization electric automobile produced for the interior heating of car.
The combined heat recovery system is additionally provided with the wind shielding air valve, the fan with the frame and the external heat exchange coil pipe on the basis of the traditional heat recovery system, so that the system can heat and refrigerate fresh air without introducing a heat source cold source, the combined heat recovery makes up for the defect of low heat recovery efficiency of a single heat recovery device, and the heat recovery efficiency can be higher;
the refrigerant heat recovery system further performs heat recovery on the exhaust air in winter, so that the heat recovery efficiency is increased, and the fresh air is further heated, so that the temperature of the fresh air can be adjusted; the exhaust air is further subjected to cold recovery in summer, so that the cold recovery efficiency is increased, and the fresh air is further cooled, so that the temperature of the fresh air can be adjusted; cold recovery can be carried out in the external circulation process in summer, so that the refrigeration efficiency is improved, and the power consumption of the compressor is reduced;
heating in winter and turning on the extrinsic cycle wind can make the energy consumption increase, if do not turn on extrinsic cycle wind can make frost in the car, increase and travel danger, this system can retrieve in winter the vehicle extrinsic cycle in-process and exhaust and get the heat and be used for heating the new trend, heat recovery heat exchanger four can absorb the heat of airing exhaust in the car and increase heat pump efficiency, when the heat that needs is many in the car, heat exchange coil can absorb the heat outside the car, increase the interior temperature of car.
When the environment temperature is low, the external heat exchange coil can be started to absorb heat in the environment, so that the temperature of fresh air is higher than the temperature of exhaust air after the fresh air passes through the fresh air heating heat exchanger IV, and the auxiliary heating effect is achieved; when the ambient temperature is higher, can start heat exchange coil, release the heat in airing exhaust, make the new trend heat exchanger four backs through the new trend, the new trend temperature is less than the temperature of airing exhaust, plays supplementary cryogenic effect.
The heating and cooling requirements can be still met under the condition of extreme heat or extreme cold in extreme weather.
In this embodiment, all valves, fans and water pump devices are in the off state when not activated.
The physical recovery section consists of exhaust air heat and cold recovery and fresh air heating and cooling, and the exhaust air heat and cold recovery is performed by a first heat recovery heat exchanger 3; a second heat recovery heat exchanger 4; the third heat recovery heat exchanger 5, pipelines and antifreeze solution filled in the pipelines, and the first fresh air heat exchanger 6 is used for heating and cooling fresh air; a second fresh air heat exchanger 7; the third fresh air heat exchanger 8, the pipeline and the antifreeze solution filled in the pipeline are circulated by a first circulating pump 16; the first throttling device 17, the first pressure stabilizing device 55, the pipeline and the inner anti-freezing liquid.
Firstly, during refrigeration:
1. and (5) normal refrigeration is carried out, and the physical heat recovery function is not started at the moment. When the system is used for refrigerating, the throttle valve 39 is opened, the four-way reversing valve 30 is adjusted to a refrigerating position, refrigerant is compressed by the variable frequency compressor 29 to form high-temperature and high-pressure refrigerant steam, then the refrigerant reaches the first heat exchanger 26 through the four-way reversing valve 30, the refrigerant transfers heat of the refrigerant steam to heat-conducting liquid in the first heat exchanger 26 through a coil pipe in the first heat exchanger 26, the temperature of the refrigerant is reduced, the refrigerant reaches the coil pipe in the second heat exchanger 32 through the throttle valve 39, the refrigerant is rapidly evaporated in the second heat exchanger 32, the heat of the heat-conducting liquid in the second heat exchanger 32 is absorbed through the coil pipe, the heat-conducting liquid in the second heat exchanger 32 is cooled, the refrigerant is changed into low-temperature steam after absorbing heat, the refrigerant steam reaches the gas-liquid separator 28 through the four-way reversing valve 30 and then enters the variable frequency compressor 29 to complete a working cycle, and the refrigerating effect is achieved. Opening 34 and starting 35 to circulate the antifreeze, freezing the antifreeze in the second heat exchanger 32 and then conveying the antifreeze into the fresh air heat exchange coil 11 through the third circulating water pump 35, opening the internal circulation automatic air valve 45 and starting the speed-regulating fresh air fan 2 to cool the air through the fresh air heat exchange coil 11, and cooling the interior of the vehicle by the cold air sent into the vehicle. The antifreeze solution is circulated by turning on the switch 23, the antifreeze solution heated in the first heat exchanger 26 is sent to the inside of the outer heat exchange coil 22 by starting the second circulating water pump 25, and the heat of the antifreeze solution is sent to the outside of the vehicle by starting the framed fan 21 to flow air through the outer heat exchange coil 22.
2. And (5) normal refrigeration, and at the moment, starting a physical heat recovery function. By opening the automatic exhaust air valve 15 and the automatic fresh air valve 14, then opening the speed-regulating exhaust air fan 1 and the speed-regulating fresh air fan 2, and when the speed-regulating fresh air fan 1 and the speed-regulating fresh air fan 2 operate normally, opening 17 and opening the first circulating pump 16 and the variable frequency compressor 29, then opening 24 and 34 and opening the second circulating pump 25 and the third circulating pump 35, opening the throttle valve 39, and after the variable frequency compressor 29 is started, the temperature of the liquid in the first heat exchanger 26 is raised and the temperature of the liquid in the second heat exchanger 32 is lowered, the third circulating pump 35 conveys the liquid in the second heat exchanger 32 to the fresh air heat exchange coil 11 through a pipeline, the liquid conveys the cold to the coil in the fresh air heat exchange coil 11, the coil conveys the cold to the fins, the fins convey the cold to the fresh air, the fresh air is cooled, and the effect of refrigeration is achieved, the third throttling device 24 conveys the hot liquid in the first heat exchanger 26 to the exhaust heat exchanger four 10 through a pipeline, the liquid transmits the heat to the fins through the coil pipe, and then the heat is transmitted to the exhaust air through the fins, the exhaust air brings the heat out of the vehicle, thus the system starts normal refrigeration, the physical heat recovery is realized by starting the first circulating pump 16, the air exhausted from the vehicle can cool the third heat recovery heat exchanger 5, the second heat recovery heat exchanger 4 and the first heat recovery heat exchanger 3 when passing through the third heat recovery heat exchanger 5, the second heat recovery heat exchanger 4 and the first heat recovery heat exchanger 3, the cold energy is transmitted to the coil pipe through the fins, the coil pipe transmits the liquid to the liquid in the coil pipe, the first circulating pump 16 conveys the liquid to the third fresh air heat exchanger 8, the second fresh air heat exchanger 7 and the first fresh air heat exchanger 6 through the pipeline, and the liquid transmits the cold energy to the fins through the coil pipe, the fin transmits cold volume for the new trend again, has realized the cold recovery of first grade, when exhaust air through the heat exchanger of airing exhaust four 10, can bring the heat on the fin of the heat exchanger of airing exhaust four 10 to the car through airing exhaust, because the temperature in the car is lower than outdoor, the temperature of airing exhaust after first heat recovery heat exchanger 3 is also lower than the car external temperature, it just can be fine for the heat exchanger of airing exhaust four 10 cooling to air exhaust after the heat exchanger of airing exhaust four 10 like this, thereby improve refrigeration efficiency according to contrary carnot principle, the system realizes the cold recovery of second grade. At this time, the wind stop valve 20 is not started; a framed fan 21; the operation of the external heat exchange coil 22, the system realizes a fresh air refrigeration mode, fresh air can be breathed at this time, and the condition that the energy consumption is too high due to window opening can be avoided. The fresh air filter 12 can filter out dust and other micro particles in fresh air, and air entering the vehicle is guaranteed to be clean.
3. And (4) normal refrigeration, starting a physical heat recovery function at the moment, and when the cold load in the vehicle is large.
When the cooling capacity required in the vehicle is high and the heat dissipation efficiency of the fourth exhaust heat exchanger 10 cannot meet the refrigeration requirement in the vehicle, the second throttling device 23, the fan 21 with the frame and the wind valve 20 for shielding wind are started, so that the liquid in the first heat exchanger 26 can flow through the outer heat exchange coil 22 to increase the heat dissipation, the refrigeration efficiency of the variable frequency compressor 29 is improved, and the refrigeration capacity of the system is increased.
The variable frequency compressor is used in the system, the frequency of the compressor can be reduced to refrigerate when the heat load is small, and meanwhile, the system is matched with cold recovery, so that the system is more energy-saving, when the heat load is higher, the frequency of the compressor is increased, the fan 21 with the frame, the outer heat exchange coil 22 and the second throttling device 23 are started, the refrigerating capacity of the system is increased, and the utilization rate of the system is maximized. The second circulating water pump 25 is also a variable frequency water pump, and meets different working conditions.
Fresh air dehumidification and an intermittent internal circulation mode of a refrigeration system.
When the fresh air has high humidity when the outside of the vehicle is rainy or foggy, the system can dehumidify, by opening the system dehumidification mode, the throttle valve 39 is opened, the four-way reversing valve 30 is adjusted to the refrigeration position, the refrigerant is compressed by the frequency conversion compressor 29 to form high-temperature and high-pressure refrigerant steam, then the refrigerant passes through the four-way reversing valve 30 to reach the first heat exchanger 26, the refrigerant passes through the coil pipe in the first heat exchanger 26 to transfer the heat of the refrigerant steam to the heat-conducting liquid in the first heat exchanger 26, so that the temperature of the refrigerant is reduced, the refrigerant passes through the throttle valve 39 to reach the coil pipe in the second heat exchanger 32, so that the refrigerant is rapidly evaporated in the second heat exchanger 32, the coil pipe absorbs the heat of the heat-conducting liquid in the second heat exchanger 32, so that the heat-conducting liquid in the second heat exchanger 32 is cooled, the refrigerant is changed into low-temperature steam after absorbing heat, the refrigerant steam passes through the four-way reversing valve 30 to reach the gas-liquid separator 28 and then enters the frequency conversion compressor 29 to complete a working cycle, the system is in a refrigeration dehumidification mode, an exhaust internal circulation automatic air valve 44 and an internal circulation automatic air valve 45 are opened, a speed regulation exhaust air fan 1, a speed regulation fresh air fan 2, a second circulating water pump 25 and a third circulating water pump 35 are started, an automatic valve fourth throttling device 34 and a second throttling device 23 are opened, air in the vehicle is subjected to an internal circulation mode, internal circulation air is dehumidified through 11, when the internal circulation air in the vehicle passes through 10, the temperature of the air in the vehicle can be raised, the humidity in the vehicle can be reduced, when the humidity in the vehicle is reduced to 40%, an exhaust automatic air valve 15 and a fresh air automatic air valve 14 can be opened, an exhaust internal circulation automatic air valve 44 and an internal circulation automatic air valve 45 are closed, external circulation ventilation is carried out in the vehicle, and when the humidity in the vehicle is raised to 70-80%, the circulation dehumidification is repeatedly carried out.
Secondly, during heating:
1. when heating, the physical heat recovery system is started, and the heat load in the vehicle is small.
When the system heats, the throttle valve 39 is opened, the four-way reversing valve 30 is adjusted to the heating position, the refrigerant is compressed into hot refrigerant steam in the inverter compressor 29, the refrigerant reaches the second heat exchanger 32 through the four-way reversing valve 30, the refrigerant transfers heat to the antifreeze in the second heat exchanger 32 through the coil in the second heat exchanger 32, the temperature of the refrigerant is reduced, the refrigerant reaches the coil in the first heat exchanger 26 through the throttle valve 39, the refrigerant is rapidly evaporated in the first heat exchanger 26, the antifreeze in the first heat exchanger 26 is cooled through the coil absorbing the heat of the antifreeze in the first heat exchanger 26, the refrigerant absorbs heat and becomes low-temperature steam, and the refrigerant steam reaches the gas-liquid separator 28 through the four-way reversing valve 30 and then enters the inverter compressor 29 to complete a working cycle, so that the heating effect is realized. And simultaneously starting the speed-regulating exhaust fan 1 and the speed-regulating fresh air fan 2, opening the automatic exhaust air valve 15 and the automatic fresh air valve 14, and starting the first circulating pump 16, the first throttling devices 17, 24 and 34, the second circulating water pump 25 and the third circulating water pump 35. At the moment, the heating in the vehicle is mainly performed by the variable frequency compressor 29, when the vehicle runs for a period of time, the power battery and the motor can generate a large amount of heat, the heat is sent into the energy storage device 36 through the antifreeze solution and then sent into the fresh air heat exchange coil 11 through the third circulating water pump 35, at the moment, the variable frequency compressor 29 is turned off, the heat generated by the power battery and the motor supplies heat to the interior of the vehicle, then the heat is recovered through the physical heat recovery system, the temperature in the vehicle is ensured, and when the heat generated by the power battery and the motor cannot ensure the temperature in the vehicle, the system starts the variable frequency compressor 29 to repeat the cycle to supply heat to the interior of the vehicle.
2. When heating, the physical heat recovery system is started, and when the heat load in the vehicle is large.
When heating is started, the system firstly starts the air exhaust internal circulation automatic air valve 44 and the internal circulation automatic air valve 45, then starts the speed-adjusting air exhaust fan 1 and the speed-adjusting fresh air fan 2, then starts the heater 9 to quickly heat the interior of the vehicle by using the internal circulation and the electric heating system, then starts 33 to heat the antifreeze solution in the second heat exchanger 32 to above 30 ℃, starts the air-conditioning heating mode, opens the throttle valve 39, starts the inverter compressor 29, adjusts the four-way reversing valve 30 to the heating position, the refrigerant is compressed into hot refrigerant steam in the inverter compressor 29, the refrigerant passes through the four-way reversing valve 30 to reach the coil pipe in the second heat exchanger 32, the refrigerant transmits the heat to the antifreeze solution in the second heat exchanger 32 through the coil pipe in the second heat exchanger 32 to reduce the temperature of the refrigerant, the refrigerant passes through the throttle valve 39 to reach the coil pipe in the first heat exchanger 26 to quickly evaporate the refrigerant in the first heat exchanger 26, and absorbs the heat of the antifreeze solution in the first heat exchanger 26 through the coil pipe, the antifreeze in the first heat exchanger 26 is cooled, the refrigerant absorbs heat and then becomes low-temperature steam, and the refrigerant steam reaches the gas-liquid separator 28 through the four-way reversing valve 30 and then enters the inverter compressor 29 to complete a working cycle, so that the heating effect is realized. Simultaneously opening a second cut-off device 23, a fan 21 with a frame and an air blocking valve 20, when the temperature in the second heat exchanger 32 reaches the heating temperature, opening 34 and starting a third circulating water pump 35, enabling the third circulating water pump 35 to convey the liquid in the second heat exchanger 32 into a fresh air heat exchange coil 11 through a pipeline, enabling the liquid to transfer heat to the coil in the fresh air heat exchange coil 11, enabling the coil to transfer heat to fins, enabling the fins to transfer heat to fresh air, and enabling the fresh air to be cooled, so as to achieve the heating effect, when the temperature in the vehicle rises to the set temperature, opening an automatic exhaust air valve 15 and an automatic fresh air valve 14, closing an automatic exhaust air valve 44, an automatic internal circulating air valve 45, a heater 9, opening 24 and 17, reducing the exhaust air volume and the intake air volume of an exhaust air speed-regulating fan 1 and a speed-regulating fresh air fan 2, and starting a first circulating pump 16 and a third cut-off device 24, after judging that the heat recovery system enters a normal working state according to a temperature sensor in the system, adjusting a speed-regulating exhaust fan 1 and a speed-regulating fresh air fan 2 to enable the air supply volume and the air exhaust volume to reach set air volume, then, the second cut-off device 23, the wind shielding valve 20 and the outer heat exchange coil 22 are closed, the operating frequency of the variable frequency compressor 29 is simultaneously reduced, so that wind outside the vehicle enters from a fresh wind supply port 56, passes through the fresh wind filter 12, the first fresh wind heat exchanger 6, the second fresh wind heat exchanger 7, the third fresh wind heat exchanger 8 and the fresh wind heat exchange coil 11, is filtered and heated, wind inside the vehicle is discharged from a wind exhaust supply port 58, and is filtered and heat recovered through the exhaust filter 13, the third heat recovery heat exchanger 5, the second heat recovery heat exchanger 4, the first heat recovery heat exchanger 3 and the fourth exhaust heat exchanger 10, and a fresh wind energy-saving heating mode is realized.
When the air temperature outside the vehicle is low, the heat consumed in the vehicle is large, at this time, the second throttling device 23, the fan with frame 21 and the wind shielding valve 20 can be opened, the frequency of the variable frequency compressor 29 is increased, the stop valve 38 is controlled to be opened by the second central controller 60, the enthalpy increasing valve 37 is adjusted to be a proper opening degree, the absorption of the heat outside the vehicle is increased, and the heating in the vehicle is increased.
When extreme cold weather occurs outside the vehicle, the heating efficiency can be improved by not only starting the wind valve 20, the fan with frame 21, the second throttling device 23 and opening the enthalpy-increasing valve 37 and the stop valve 38. The system is intended to achieve good heating effect and also to activate the heater 9 to supplement the heat in the vehicle.
When snow falls off the vehicle, the wind-shielding air valve 20 needs to be closed, so that the influence of the snow on the heat absorption of the fins of the external heat exchange coil 22 is reduced. This requires that the heating load be reduced, and if the high load is to be maintained, the heater 9 needs to be turned on to assist heating.
When the system carries out heat recovery, the second heat recovery heat exchanger 4, the first heat recovery heat exchanger 3, the exhaust heat exchanger four 10 and the outer heat exchange coil 22 can frost when in use, and frost needs to be removed at the moment because the efficiency of system operation can be influenced after the coils frost. When the second heat recovery heat exchanger 4, the first heat recovery heat exchanger 3 and the exhaust heat exchanger 10 are defrosted, the second circulating water pump 25, the variable frequency compressor 29, the first circulating pump 16, the exhaust automatic air valve 15 and the fresh air automatic air valve 14 need to be closed, the exhaust internal circulation automatic air valve 44, the internal circulation automatic air valve 45 and the heater 9 need to be opened at the same time, the internal circulation mode is started for defrosting, the condensate water generated by defrosting can be discharged out of the vehicle through the second drain hole 19, and when the exhaust heat recoverer shell 42 is cold, the generated defrosting condensate water is frozen for the second time, the condensate water heater 41 is needed to melt the ice, and the condensate water is discharged out of the vehicle through the second drain hole 19. When the outer heat exchange coil 22 is defrosted, the wind blocking valve 20 and the third throttling device 24 are closed, at the moment, the first heater 27, the second circulating water pump 25 and the second throttling device 23 are started, frost on the outer heat exchange coil 22 can be removed quickly, and the heating mode can be entered quickly after the frost is defrosted.
The system can meet various working conditions of heating in winter and cooling in summer.
Comprehensively utilizing waste heat in the vehicle:
1. waste heat generated in the vehicle: a large amount of waste heat is generated by the power battery, the motor and the like in the operation process, the heat can be conveyed into the energy storage device 36 through cooling liquid, the system can utilize the waste heat to heat the interior of the vehicle in a cold season, and the system can also be used for heating the power battery; in summer, the heat generated by the power battery, the motor and the like can be conveyed into the energy storage device 36 through cooling liquid, and the refrigeration system can implement strong cooling on the power battery and the motor and discharge the heat generated by the power battery and the motor to the outside of the vehicle.
When the vehicle operates under the natural ventilation condition, the physical heat recovery section can be used for starting the first circulating pump 16, so that fresh air enters the vehicle through the fresh air supply outlet 56, the fresh air automatic air valve 14, the fresh air filter 12, the first fresh air heat exchanger 6, the second fresh air heat exchanger 7, the third fresh air heat exchanger 8, the fresh air heat exchange coil 11, the speed-regulating fresh air fan 2, the heater 9 and the fresh air outlet 57, exhaust air is exhausted to the outside of the vehicle through the exhaust air supply outlet 58, the exhaust air filter 13, the third heat recovery heat exchanger 5, the second heat recovery heat exchanger 4, the first heat recovery heat exchanger 3, the exhaust air heat exchanger four 10, the speed-regulating exhaust air fan 1, the automatic exhaust air valve 15 and the exhaust air outlet 59, the first fresh air heat exchanger 6, the second fresh air heat exchanger 7, the third fresh air heat exchanger 8, the first circulating pump 16, the first throttling device 17, the first pressure stabilizing device 55, the third heat recovery heat exchanger 5, The heat recovery device composed of the second heat recovery heat exchanger 4 and the first heat recovery heat exchanger 3 can adjust the small temperature difference between the fresh air and the exhaust air, the heating mode does not need to be started when the outdoor temperature is low, the heat recovery system can heat the fresh air by using a large amount of waste heat generated by the power battery, the motor and the like which are exhausted in the vehicle and absorbed by the energy storage device 36 during the operation, and the function of auxiliary heating is achieved.
The working principle of the control system is as follows:
the temperature is set in the vehicle through the in-vehicle control panel 46 and the signals are transmitted to the first central controller 40 and the second central controller 60 through the bus.
The central controller 40 may collect temperatures of T1, T2, T3, T4, T5, T6, and T7, the first central controller 40 and the second central controller 60 communicate using a bus, the second central controller 60 may collect temperatures of T8, T9, T10, and T11, and the first central controller 40 may control opening and closing of the fresh air automatic damper 14, the exhaust air automatic damper 15, the condensate water heater 41, the exhaust air internal circulation automatic damper 44, the internal circulation automatic damper 45, and also may control starting and stopping of the speed-adjusting exhaust air fan 1, the speed-adjusting fresh air fan 2, the heater 9, and the first circulation pump 16 by temperature changes of T1, T2, T3, T4, T5, T6, and T7.
The second central controller 60 may control the start of the inverter compressor 29, the third throttle device 24, and the third circulation water pump 35 through the in-vehicle control panel 46 and the temperature variation of T8, T9, T10, and T11, and start the framed fan 21 and the windshield valve 20 according to the operating conditions.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. An energy recovery device of an electric automobile comprises a fresh air heater shell (43) and an exhaust heat recovery device shell (42), and is characterized in that a fresh air filter (12) is installed in the fresh air heater shell (43), a first fresh air heat exchanger (6), a second fresh air heat exchanger (7), a third fresh air heat exchanger (8) and a fresh air heat exchange coil (11) are sequentially installed on one side, located on the fresh air filter (12), of the fresh air heater shell (43), a speed-regulating fresh air fan (2) and a third heater (9) are installed in the fresh air heater shell (43) and located on the right side of the fresh air heat exchange coil (11), one end of the fresh air heater shell (43) is provided with a fresh air inlet (56), the other end of the fresh air heater shell is provided with a fresh air outlet (57), and the fresh air heat exchange coil (11) is connected with an energy storage device (36) through a first pipeline, one end of the energy storage device (36) is connected with a second heat exchanger (32) through a second pipeline, a second heater (33) is installed in the second heat exchanger (32), the fresh air heat exchange coil (11) is connected with a third circulating water pump (35) through a third pipeline, the third circulating water pump (35) is connected with a fourth throttling device (34) through a fourth pipeline, and the fourth throttling device (34) is connected with the second heat exchanger (32) through a fifth pipeline.
2. The energy recovery device of an electric vehicle according to claim 1, wherein a speed-regulating exhaust fan (1) is installed in the exhaust air heat recovery device housing (42), an exhaust air heat exchanger four (10), a first heat recovery heat exchanger (3) and a second heat recovery heat exchanger (4) are installed in the exhaust air heat recovery device housing (42) and located on the right side of the speed-regulating exhaust fan (1), a third heat recovery heat exchanger (5) and an exhaust air filter (13) are installed in the exhaust air heat recovery device housing (42), an exhaust air outlet (59) is formed in one end of the exhaust air heat recovery device housing (42), an exhaust air supply outlet (58) is formed in the other end of the exhaust air heat recovery device housing, the exhaust air heat exchanger four (10) is connected with the first heat exchanger (26) through a fifth pipeline, and a first heater (27) is arranged on the first heat exchanger (26), the fourth exhaust heat exchanger (10) is connected with a third throttling device (24) through a sixth pipeline, the third throttling device (24) is connected with a second circulating water pump (25) through a seventh pipeline, and the second circulating water pump (25) is connected with the first heat exchanger (26) through an eighth pipeline.
3. The energy recovery device of the electric vehicle according to claim 1, wherein a ninth pipeline is installed at one end of the first heat exchanger (26), a four-way reversing valve (30) is installed on the ninth pipeline, the four-way reversing valve (30) is connected with the gas-liquid separator (28) through a tenth pipeline, the four-way reversing valve (30) is connected with the variable frequency compressor (29) through an eleventh pipeline, the variable frequency compressor (29) is connected with the gas-liquid separator (28) through a twelfth pipeline, the four-way reversing valve (30) is connected with the second heat exchanger (32) through a thirteenth pipeline, the variable frequency compressor (29) is connected with the enthalpy increasing device (31) through a fourteenth pipeline, a pair of fifteenth pipelines are arranged on the enthalpy increasing device (31), and the enthalpy increasing valve (37) and the throttle valve (39) are installed on the fifteenth pipelines respectively, the fifteenth pipes are connected with the first heat exchanger (26) through sixteenth pipelines, a stop valve (38) is installed on the sixteenth pipelines and between the fifteenth pipes, and the second heat exchanger (32) is connected with the enthalpy increasing device (31) through a seventeenth pipeline.
4. The energy recovery device of the electric automobile according to claim 1, characterized in that the sixth pipeline is connected with a second throttling device (23) through an eighteenth pipeline, the second throttling device (23) is connected with an outer heat exchange coil (22) through a nineteenth pipeline, a frame fan (21) is installed on the outer heat exchange coil (22), a wind shielding valve (20) is installed at the lower end of the outer heat exchange coil (22), and the fifth pipeline is connected with the outer heat exchange coil (22) through a twenty-sixth pipeline.
5. The energy recovery device of the electric vehicle as claimed in claim 1, wherein the fresh air heater casing (43) is provided with a first drain hole (18) at the front of the fresh air heat exchange coil (11).
6. The energy recovery device of claim 1, wherein the exhaust heat recovery device housing (42) is provided with a second drain hole (19) and a condensed water heater (41).
7. The energy recovery device of an electric automobile according to claim 1, characterized in that the first heat recovery heat exchanger (3) is connected with the first fresh air heat exchanger (6) through a twentieth pipeline, the third heat recovery heat exchanger (5) is connected with the third fresh air heat exchanger (8) through a twenty-first pipeline, and a first pressure stabilizer (55), a first circulating pump (16) and a first throttling device (17) are installed on the twenty-first pipeline.
8. The energy recovery device of the electric automobile according to claim 1, wherein the first fresh air heat exchanger (6) and the second fresh air heat exchanger (7) are connected through a twenty-second pipeline, and the second fresh air heat exchanger (7) and the third fresh air heat exchanger (8) are connected through a twenty-third pipeline.
9. The energy recovery device of an electric vehicle according to claim 1, wherein the first heat recovery heat exchanger (3) and the second heat recovery heat exchanger (4) are connected by a twenty-fourth pipeline, and the second heat recovery heat exchanger (4) and the third heat recovery heat exchanger (5) are connected by a twenty-fifth pipeline.
10. The energy recovery device of an electric vehicle according to claim 1, wherein a fresh air automatic air valve (14) is installed in a fresh air supply outlet (56) on the fresh air heater casing (43), an internal circulation air duct is opened on the fresh air heater casing (43), an exhaust air automatic air valve (15) is installed in an exhaust air outlet (59) on the exhaust air heat recovery device casing (42), an exhaust air internal circulation air duct is opened on the exhaust air heat recovery device casing (42), and an exhaust air internal circulation automatic air valve (44) is installed in the exhaust air internal circulation air duct.
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| CN202210883996.XA CN115122870B (en) | 2022-07-26 | 2022-07-26 | Energy recovery device of electric automobile |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010155599A (en) * | 2008-12-02 | 2010-07-15 | Calsonic Kansei Corp | Vehicular air conditioner |
| JP2010167988A (en) * | 2009-01-26 | 2010-08-05 | Calsonic Kansei Corp | Ventilation heat recovery system and vehicular air conditioning device |
| JP2012001037A (en) * | 2010-06-15 | 2012-01-05 | Panasonic Corp | Air conditioning device for vehicle |
| JP2013035484A (en) * | 2011-08-10 | 2013-02-21 | Panasonic Corp | Air conditioner for vehicle |
| WO2013105201A1 (en) * | 2012-01-12 | 2013-07-18 | パナソニック株式会社 | Vehicle air conditioner |
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- 2022-07-26 CN CN202210883996.XA patent/CN115122870B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010155599A (en) * | 2008-12-02 | 2010-07-15 | Calsonic Kansei Corp | Vehicular air conditioner |
| JP2010167988A (en) * | 2009-01-26 | 2010-08-05 | Calsonic Kansei Corp | Ventilation heat recovery system and vehicular air conditioning device |
| JP2012001037A (en) * | 2010-06-15 | 2012-01-05 | Panasonic Corp | Air conditioning device for vehicle |
| JP2013035484A (en) * | 2011-08-10 | 2013-02-21 | Panasonic Corp | Air conditioner for vehicle |
| WO2013105201A1 (en) * | 2012-01-12 | 2013-07-18 | パナソニック株式会社 | Vehicle air conditioner |
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