CN106926665B - Vehicle air conditioning equipment and vehicle with same - Google Patents
Vehicle air conditioning equipment and vehicle with same Download PDFInfo
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- CN106926665B CN106926665B CN201710153315.3A CN201710153315A CN106926665B CN 106926665 B CN106926665 B CN 106926665B CN 201710153315 A CN201710153315 A CN 201710153315A CN 106926665 B CN106926665 B CN 106926665B
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 63
- 239000003507 refrigerant Substances 0.000 claims abstract description 166
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 159
- 238000010438 heat treatment Methods 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 21
- 239000002918 waste heat Substances 0.000 abstract description 8
- 230000005855 radiation Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- 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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- 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
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/14—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit
- B60H1/143—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant otherwise than from cooling liquid of the plant, e.g. heat from the grease oil, the brakes, the transmission unit the heat being derived from cooling an electric component, e.g. electric motors, electric circuits, fuel cells or batteries
-
- 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
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/00307—Component temperature regulation using a liquid flow
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a vehicle air conditioning device and a vehicle with the same. The vehicle air conditioning equipment comprises an air conditioning duct, a compressor, a gas internal cooler, a battery heating heat exchanger, a first bypass water valve, a first bypass valve, a first throttling element, an indoor heat exchanger, a battery cooling heat exchanger, a second bypass valve and a third throttling element, wherein the battery heating heat exchanger comprises a first water flow path and a first refrigerant loop which exchange heat mutually, the first refrigerant loop is connected with the gas internal cooler, and two ends of the first water flow path are connected with a heat exchange flow path on a battery. The battery cooling heat exchanger comprises a second water flow path and a second refrigerant loop which exchange heat with each other, wherein two ends of the second water flow path are connected with the heat exchange flow path, and two ends of the second refrigerant loop are respectively connected with the first refrigerant flow path and the second refrigerant flow path. According to the vehicle air conditioning equipment, the water flow absorbing the heat of the refrigerant can be utilized to heat the battery, and the waste heat of the battery can be utilized during heating.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to vehicle air conditioning equipment and a vehicle with the same.
Background
The conventional battery thermal management of the electric automobile generally directly adopts PTC (Positive temperature coefficient) for electric heating for battery heating, so that the energy consumption is high, and the battery endurance mileage is affected. Meanwhile, when the electric automobile air conditioner is used for heating, the battery can not be utilized when the battery has abundant waste heat, and the heating energy efficiency is low.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent.
Therefore, the invention provides the vehicle air conditioning equipment which can selectively heat the battery by utilizing the water flow absorbing the heat of the refrigerant in the first refrigerant loop, and can utilize the waste heat of the battery during heating.
The invention also provides a vehicle with the vehicle air conditioning equipment.
According to an embodiment of the present invention, a vehicle air conditioning apparatus includes: an air conditioning duct blowing air toward the inside of the vehicle; a compressor having an exhaust port and a return air port; the air conditioner comprises an air conditioner air duct, an air inlet, an air outlet, an air internal cooler, an air door, an air inlet and an air outlet, wherein the air internal cooler is arranged in the air conditioner air duct, the air door is arranged in the air conditioner air duct and is movable between an avoidance position and a blocking position for blocking air from flowing to the air internal cooler, and the inlet of the air internal cooler is connected with the air outlet; the battery heating heat exchanger comprises a first water flow path and a first refrigerant loop which exchange heat with each other, the first refrigerant loop is connected with an outlet of the gas internal cooler, and two ends of the first water flow path are suitable for being connected with a heat exchange flow path on a battery; the outdoor heat exchanger is connected with the first refrigerant loop, the first bypass valve is connected between the outdoor heat exchanger and the first refrigerant loop in series, and the first throttling element is connected between the outdoor heat exchanger and the first refrigerant loop in series; the indoor heat exchanger is arranged in the air conditioner air duct, a first end of the indoor heat exchanger is connected with the outdoor heat exchanger through a first refrigerant flow path, a second end of the indoor heat exchanger is connected with the air return port through a second refrigerant flow path, and a second throttling element is connected in series on the first refrigerant flow path; the battery cooling heat exchanger comprises a second water flow path and a second refrigerant loop which exchange heat with each other, two ends of the second water flow path are suitable for being connected with the heat exchange flow path, and two ends of the second refrigerant loop are respectively connected with the first refrigerant flow path and the second refrigerant flow path; the two ends of the second bypass valve are respectively connected with the first refrigerant flow path and the second refrigerant loop, and the third throttling element has an opening and closing function; the water heater comprises a first bypass water valve and a second bypass water valve, wherein the first bypass water valve is used for controlling water to flow through the first water flow path or cut off the first water flow path, and the second bypass water valve is used for controlling water to flow through the second water flow path or cut off the second water flow path.
According to the vehicle air conditioning equipment provided by the embodiment of the invention, the water flow absorbing the heat of the refrigerant in the first refrigerant loop can be selectively utilized to heat the battery, so that the energy consumption is saved, the influence of the heating process on the endurance mileage of the battery can be reduced, meanwhile, the water flow exchanging heat with the refrigerant in the second refrigerant loop can be selectively utilized to cool the battery, the waste heat of the battery can be utilized during heating, and the heating energy efficiency is improved.
In some embodiments of the present invention, the vehicle air conditioning apparatus further includes a first regenerator including a first high temperature flow path and a first low temperature flow path that are independent and mutually heat exchanging, the first high temperature flow path being connected to the first refrigerant circuit and the first throttling element, respectively, the first low temperature flow path forming a part of the second refrigerant flow path.
Specifically, the first regenerator includes casing, refrigerant pipe, injection pipe and discharge pipe, the refrigerant pipe is established in order to inject the pipe with the discharge pipe defines first low temperature flow path, the one end of injection pipe is opened just the other end of injection pipe with indoor heat exchanger links to each other, the entry of discharge pipe is located the upper portion of casing just the export of discharge pipe with the return air mouth links to each other.
In some embodiments of the invention, the first water flow path is connected to the second water flow path, two ends of the first bypass water valve are connected to two ends of the first water flow path, respectively, and two ends of the second bypass water valve are connected to two ends of the second water flow path, respectively.
In some embodiments of the present invention, the vehicle air conditioning apparatus further comprises a heat dissipation fan and an air cooling radiator, wherein the heat dissipation fan rotates to guide air to the air cooling radiator, a third water flow path is arranged in the air cooling radiator, and two ends of the third water flow path are suitable for being connected with the heat exchange flow path.
In some embodiments of the present invention, the vehicle air conditioning apparatus further includes a second regenerator including a second high temperature flow path and a second low temperature flow path that exchange heat with each other, the second high temperature flow path constituting a portion of the first refrigerant flow path between the outdoor heat exchanger and the second throttling element, one end of the second bypass valve being connected between the second high temperature flow path and the second throttling element, one end of the second low temperature flow path being connected to the return air port, and the other end of the second low temperature flow path being connected to the indoor heat exchanger and the second refrigerant circuit, respectively.
Optionally, the air door is rotatably disposed in the air conditioning duct.
Optionally, the first to third throttling elements are electromagnetic expansion valves respectively.
Optionally, the first bypass valve and the second bypass valve are respectively electromagnetic valves.
According to an embodiment of the present invention, a vehicle includes: the battery is provided with a heat exchange flow path; according to the vehicle air conditioning apparatus of the above embodiment of the present invention, both ends of the first water flow path are connected to the heat exchange flow path, and both ends of the second water flow path are connected to the heat exchange flow path.
According to the vehicle provided by the embodiment of the invention, the vehicle air conditioning equipment is arranged, so that the water flow absorbing the heat of the refrigerant in the first refrigerant loop can be selectively utilized to heat the battery, the energy consumption is saved, the influence of the heating process on the endurance mileage of the battery can be reduced, meanwhile, the water flow exchanging heat with the refrigerant in the second refrigerant loop can be selectively utilized to cool the battery, the waste heat of the battery can be utilized during heating, and the heating energy efficiency is improved.
Drawings
FIG. 1 is a schematic illustration of a vehicle air conditioning apparatus according to some embodiments of the present invention;
fig. 2 is a schematic view of a vehicle air conditioning apparatus according to further embodiments of the present invention.
Reference numerals:
vehicle air conditioning equipment 100, battery 200, heat exchange flow path 201, water pump 300,
An air conditioner air duct 1, an air inlet A, an air outlet B, an air door 14,
A gas internal cooler 3,
A battery heating heat exchanger 4, a first water flow path 41, a first refrigerant circuit 42,
An outdoor heat exchanger 5,
A first bypass valve 6, a first throttle element 7,
An indoor heat exchanger 8,
A first refrigerant passage 9, a second refrigerant passage 10,
A second throttling element 11,
A second bypass valve 12,
An air duct fan 15,
A first bypass water valve 16, a second bypass water valve 19,
A battery cooling heat exchanger 17, a second water flow path 170, a second refrigerant circuit 171,
A third throttling element 18,
A heat radiation fan 20, an air cooling radiator 21,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
A vehicle air conditioning apparatus 100 according to an embodiment of the present invention is described in detail below with reference to fig. 1 and 2, wherein the vehicle air conditioning apparatus 100 is applied to a vehicle to heat a battery 200 of the vehicle, and in particular, a heat exchanging flow path 201 is provided on the battery 200. Alternatively, the vehicle may be an electric vehicle.
As shown in fig. 1 to 2, the vehicle air conditioning apparatus 100 according to the embodiment of the present invention includes an air conditioning duct 1 blowing toward the inside of the vehicle, the air conditioning duct 1 having an air inlet a and an air outlet B, it being understood that external air enters the air conditioning duct 1 through the air inlet a, and air having undergone heat exchange in the air conditioning duct 1 is blown into the inside of the vehicle from the air outlet B to condition the space in the vehicle.
The vehicle air conditioning apparatus 100 according to the embodiment of the invention further includes: the compressor 2, the gas intercooler 3, the battery heating heat exchanger 4, the outdoor heat exchanger 5, the first bypass valve 6, the first throttling element 7, the indoor heat exchanger 8, the battery cooling heat exchanger 17, the second bypass valve 12, the third throttling element 18, the first bypass water valve 16 and the second bypass water valve 19, wherein the compressor 2 has a discharge port C and a return port D. It will be appreciated that the specific construction and operation of the compressor 2 is well known in the art and will not be described in detail herein.
The air internal cooler 3 is arranged in the air conditioning duct 1, the air conditioning duct 1 is internally provided with an air door 14, the air door 14 is movable between an avoidance position and a blocking position for blocking air from flowing to the air internal cooler 3, and it is to be noted that when the air door 14 moves to the avoidance position, air entering the air conditioning duct 1 from the air inlet A flows through the air internal cooler 3 to exchange heat with the air internal cooler 3. When the damper 14 is moved to the blocking position, the damper 14 blocks air flow to the gas intercooler 3, and no air or only a small amount of air flows through the gas intercooler 3.
The inlet of the gas intercooler 3 is connected to the exhaust port C. The battery heating heat exchanger 4 includes a first water flow path 41 and a first refrigerant circuit 42 which exchange heat with each other, the first refrigerant circuit 42 being connected to the outlet of the gas intercooler 3, both ends of the first water flow path 41 being adapted to be connected to the heat exchange flow path 201 on the battery 200. The first bypass water valve 16 is used to control the flow of water through the first water flow path 41 or to shut off the first water flow path 41. Specifically, when the battery 200 needs to be heated, the first bypass water valve 16 is controlled so that water flow can flow through the first water flow path 41, and thus the water flow in the first water flow path 41 exchanges heat with the first refrigerant loop 42 and then flows through the heat exchange flow path 201 on the battery 200 to heat the battery 200. When the first bypass water valve 16 is controlled such that the first water flow path 41 is blocked, water flow cannot enter the first water flow path 41, thereby stopping the heating process of the battery 200. Optionally, the first bypass water valve 16 is a solenoid valve.
The outdoor heat exchanger 5 is connected to the first refrigerant circuit 42. The first bypass valve 6 is connected in series between the outdoor heat exchanger 5 and the first refrigerant circuit 42, and the first throttle element 7 is also connected in series between the outdoor heat exchanger 5 and the first refrigerant circuit 42, and the refrigerant flowing out of the first refrigerant circuit 42 can be switched to flow to the first bypass valve 6 or the first throttle element 7. Specifically, the first throttling element 7 plays a role of throttling and reducing pressure. Alternatively, the first throttling element 7 is a solenoid expansion valve. Alternatively, the first bypass valve 6 may be a solenoid valve.
The indoor heat exchanger 8 is arranged in the air conditioning duct 1, a first end of the indoor heat exchanger 8 is connected with the outdoor heat exchanger 5 through a first refrigerant flow path 9, a second end of the indoor heat exchanger 8 is connected with the air return port D through a second refrigerant flow path 10, and a second throttling element 11 is connected in series on the first refrigerant flow path 9. Specifically, the second throttling element 11 plays a role in throttling and reducing pressure. Alternatively, the second throttling element 11 is a solenoid expansion valve.
The battery cooling heat exchanger 17 includes a second water flow path 170 and a second refrigerant circuit 171 which exchange heat with each other, both ends of the second water flow path 170 are adapted to be connected to the heat exchange flow path 201 of the battery 200, and both ends of the second refrigerant circuit 171 are connected to the first refrigerant flow path 9 and the second refrigerant flow path 10, respectively. The second bypass water valve 19 is used to control the flow of water through the second water flow path 170 or to shut off the second water flow path 170. Specifically, when the battery 200 needs to be cooled, the second bypass water valve 19 is controlled so that the water flow can flow through the second water flow path 170, so that the water flow in the second water flow path 170 exchanges heat with the second refrigerant loop 171 and then flows through the heat exchange flow path 201 on the battery 200 to cool the battery 200. When the second bypass water valve 19 is controlled such that the second water flow path 170 is blocked, the water flow cannot enter the second water flow path 170, thereby stopping the cooling process of the battery 200. Optionally, the second bypass water valve 19 is a solenoid valve.
The second bypass valve 12 and the third throttling element 18 are connected in parallel, both ends of the second bypass valve 12 are connected to the first refrigerant passage 9 and the second refrigerant circuit 171, respectively, the third throttling element 18 has an opening and closing function, and one end of the second bypass valve 12 is connected between the outdoor heat exchanger 5 and the second throttling element 11. Specifically, the third throttling element 18 has the function of throttling and depressurizing. Optionally, the third throttling element 18 is a solenoid expansion valve. Alternatively, the second bypass valve 12 may be a solenoid valve.
Specifically, when the vehicle air conditioner 100 is in the heating mode: the first bypass valve 6 is closed, the second bypass valve 12 is opened, the air door 14 moves to the avoiding position, the air conditioner refrigerant is compressed into a high-temperature high-pressure state by the compressor 2 and then enters the gas internal cooler 3, at the moment, the gas internal cooler 3 is provided with air to flow through and heat the air, and the air in the air conditioner air duct 1 is heated by the gas internal cooler 3 and then enters the interior of the vehicle from the air outlet B so as to achieve the purpose of heating.
The refrigerant in the gas internal cooler 3 is initially cooled and then enters the first refrigerant loop 42 of the battery heating heat exchanger 4. If the battery 200 needs to be heated at this time, the first bypass water valve 16 is controlled so that water flows through the first water flow path 41, and the water flow in the first water flow path 41 obtains heat in the first refrigerant circuit 42 to heat the battery 200 and further cool the refrigerant. Because the first bypass valve 6 is closed, the refrigerant flows out of the battery heating heat exchanger 4, throttled by the first throttling element 7, becomes low temperature and low pressure, enters the outdoor heat exchanger 5 for evaporation, then enters the second refrigerant circuit 171 of the battery cooling heat exchanger 17 through the first refrigerant flow path 9 and the second bypass valve 12, and the refrigerant discharged from the second refrigerant circuit 171 is discharged to the second refrigerant flow path 10 and returns to the compressor 2.
If the battery 200 is heating at this time, the second bypass water valve 19 closes the second water flow path 170, no water flows through the second water flow path 170 of the battery cooling heat exchanger 17, and the battery cooling heat exchanger 17 does not exchange heat. If the battery 200 needs to be cooled, the second bypass water valve 19 is controlled to enable water flow to flow through the second water flow path 170, the water flow with heat of the battery 200 entering the second water flow path 170 exchanges heat with the refrigerant in the second refrigerant loop 171, the refrigerant is further evaporated in the second refrigerant loop 171, waste heat of the battery 200 is utilized, and heating efficiency of the vehicle air conditioning equipment 100 is improved.
When the vehicle air conditioning apparatus 100 is in the cooling mode: at this time, the first bypass valve 6 is set to be opened, the second bypass valve 12 is closed, the air door 14 moves to the blocking position, the air-conditioning refrigerant is compressed into a high-temperature high-pressure state by the compressor 2 and then enters the gas internal cooler 3, and at this time, the high-temperature refrigerant in the gas internal cooler 3 subsequently enters the first refrigerant loop 42 of the battery heating heat exchanger 4 because the gas internal cooler 3 does not have air flowing through and does not exchange heat. If the battery 200 needs to be heated at this time, the first bypass water valve 16 is controlled so that water flows through the first water flow path 41, and the water flow in the first water flow path 41 obtains heat in the first refrigerant circuit 42 to heat the battery 200 and further cool the refrigerant. Because the first bypass valve 6 is opened, the refrigerant flows out of the battery heating heat exchanger 4 and then directly enters the outdoor heat exchanger 5 through the first bypass valve 6 to exchange heat, and at the moment, the outdoor heat exchanger 5 is used as an air cooler or a condenser. The refrigerant discharged from the outdoor heat exchanger 5 is throttled and depressurized by the second throttling element 11 on the first refrigerant flow path 9 to become low-temperature low-pressure refrigerant, and then the low-temperature low-pressure refrigerant enters the indoor heat exchanger 8 to be subjected to evaporation refrigeration, and the air in the air conditioner air duct 1 is cooled by the indoor heat exchanger 8 and then enters the interior of the vehicle from the air outlet B so as to realize the purpose of refrigeration. The refrigerant flows out of the indoor heat exchanger 8, enters the second refrigerant passage 10, and flows back to the compressor 2.
If the battery 200 needs to be cooled at this time, the third throttling element 18 is opened, a part of the refrigerant flowing out of the outdoor heat exchanger 5 is throttled and depressurized by the third throttling element 18 and then enters the second refrigerant circuit 171 of the battery cooling heat exchanger 17 to be evaporated, meanwhile, the second bypass water valve 19 is controlled to enable water flow to flow through the second water flow path 170, and the water flow entering the second water flow path 170 exchanges heat with the refrigerant in the second refrigerant circuit 171 to achieve the purpose of cooling the battery 200, and the refrigerant flowing out of the second refrigerant circuit 171 flows into the second refrigerant flow path 10 and flows back to the compressor 2.
When the vehicle air conditioning apparatus 100 is in the dehumidification mode: at this time, the first bypass valve 6 and the second bypass valve 12 may be both set to be closed, the damper 14 moves to the avoiding position, at this time, the air in the air conditioning duct 1 exchanges heat with the indoor heat exchanger 8 and the gas internal cooler 3 at the same time, and the first throttling element 7 and the second throttling element 11 are adjusted to be in a proper state, so that the temperatures of the indoor heat exchanger 8 and the gas internal cooler 3 are in a mode suitable for dehumidification. If the battery 200 needs to be heated at this time, the first bypass water valve 16 is controlled so that water flows through the first water flow path, and the water flow in the first water flow path 41 obtains heat in the first refrigerant circuit 42 to heat the battery 200. If cooling of the battery 200 is desired, the third throttling element 18 is opened and the second bypass water valve 19 is controlled such that water flows through the second water flow path 170 for the purpose of cooling the battery 200.
According to the vehicle air conditioning apparatus 100 of the embodiment of the present invention, by providing the battery heating heat exchanger 4 and the first bypass water valve 16, the water flow absorbing the heat of the refrigerant in the first refrigerant circuit 42 can be selectively utilized to heat the battery 200, so as to save energy consumption, reduce the influence of the heating process on the endurance mileage of the battery 200, and simultaneously by providing the battery cooling heat exchanger 17, the second bypass water valve 19, the second bypass valve 12 and the third throttling element 18, the water flow exchanging heat with the refrigerant in the second refrigerant circuit 171 can be selectively utilized to cool the battery 200, so that the waste heat of the battery 200 can be utilized during heating, and the heating efficiency is improved.
In the embodiment of the present invention, the indoor heat exchanger 8 is located at the upstream of the gas internal cooler 3, the air conditioning duct 1 is provided with a partition plate to define two sub-channels, the indoor heat exchanger 8 is located at the upstream of the two sub-channels, the gas internal cooler 3 is provided in one of the sub-channels, each sub-channel has an air outlet B, and the air door 14 controls one of the sub-channels to communicate with the air inlet a. So that it is ensured that in the cooling mode no air flows through the gas intercooler 3 without heat exchange. Specifically, an air duct fan 15 is disposed in the air conditioning duct 1, and the air duct fan 15 rotates to introduce external air into the air conditioning duct 1 through the air inlet a. In some specific examples of the invention, the tunnel fan 15 is located upstream of the indoor heat exchanger 8. Optionally, the air inlets A are multiple.
In the embodiment of the present invention, the damper 14 is rotatably provided in the air conditioning duct 1, so that the moving mode of the damper 14 is simple.
As shown in fig. 1 and 2, in some embodiments of the present invention, the vehicle air conditioning apparatus 100 further includes a first regenerator 13, and the first regenerator 13 includes a first high-temperature flow path and a first low-temperature flow path that are independent and mutually heat-exchanging, the first high-temperature flow path being connected to the first throttling element 7 and the first refrigerant circuit 42, respectively, and the first low-temperature flow path forming a part of the second refrigerant flow path 10. That is, the first high-temperature flow path and the first low-temperature flow path are two independent refrigerant flow channels, and the refrigerant in the first high-temperature flow path can exchange heat with the refrigerant in the first low-temperature flow path.
In the description of the present invention, "high temperature" and "low temperature" in the high temperature flow path and the low temperature flow path are not particularly limited to specific temperatures, but are merely for indicating that the temperature of the refrigerant flowing into the high temperature flow path may be higher than the temperature of the refrigerant flowing into the low temperature flow path.
Specifically, when the vehicle air conditioner 100 is in the heating mode, the refrigerant flowing out of the first refrigerant circuit 42 flows into the first high-temperature flow path of the first regenerator 13, the refrigerant flowing out of the first high-temperature flow path is throttled and depressurized by the first throttling element 7, and then flows into the outdoor heat exchanger 5, the refrigerant flowing out of the outdoor heat exchanger 5 flows into the first low-temperature flow path through the first refrigerant flow path 9 and the second bypass valve 12, and the refrigerant flowing out of the first low-temperature flow path returns to the compressor 2. In the heating mode, the temperature of the refrigerant flowing into the first high-temperature flow path is higher than the temperature of the refrigerant flowing into the first low-temperature flow path, so that the first regenerator 13 has a regenerative effect, and the heating effect can be improved.
When the vehicle air conditioning apparatus 100 is in the cooling mode, the refrigerant flowing out of the first refrigerant circuit 42 directly flows into the outdoor heat exchanger 5 through the first bypass valve 6, the refrigerant discharged from the outdoor heat exchanger 5 is throttled and depressurized by the second throttling element 11 on the first refrigerant flow path 9, then becomes a low-temperature low-pressure refrigerant, and enters the indoor heat exchanger 8 to perform evaporation and refrigeration, the refrigerant flows out of the indoor heat exchanger 8 and then enters the first low-temperature flow path, and the refrigerant flowing out of the first low-temperature flow path returns to the compressor 2. In the cooling mode, no refrigerant flows through the first high-temperature flow path of the first regenerator 13, and therefore, the first regenerator 13 has no regenerative action.
In some embodiments of the present invention, as shown in fig. 1 and 2, the first regenerator 13 includes a housing 130, a refrigerant pipe 131, an injection pipe 132, and a discharge pipe 133, the refrigerant pipe 131 being provided in the housing 130 to define a first high temperature flow path, the injection pipe 132 and the discharge pipe 133 defining a first low temperature flow path, one end of the injection pipe 132 being open and the other end of the injection pipe 132 being connected to the indoor heat exchanger 8, an inlet of the discharge pipe 133 being located at an upper portion of the housing 130 and an outlet of the discharge pipe 133 being connected to the return air port D. Specifically, the refrigerant discharged from the injection pipe 132 into the housing 130 is subjected to gas-liquid separation in the housing 130, and the separated gaseous refrigerant is discharged back into the compressor 2 through the discharge pipe 133, so that the liquid content of the refrigerant discharged back into the compressor 2 can be reduced, and the phenomenon of liquid impact of the compressor 2 is avoided.
As shown in fig. 1 and 2, in some embodiments of the present invention, the vehicle air conditioning apparatus 100 further includes a second regenerator 22, the second regenerator 22 including a second high-temperature flow path 220 and a second low-temperature flow path 221 that exchange heat with each other, the second high-temperature flow path 220 constituting a portion of the first refrigerant flow path 9 between the outdoor heat exchanger 5 and the second throttling element 11, that is, the second high-temperature flow path 220 being a portion of the first refrigerant flow path 9, the second high-temperature flow path 220 being located between the outdoor heat exchanger 5 and the second throttling element 11.
One end of the second bypass valve 12 is connected between the second high-temperature flow path 220 and the second throttling element 11, one end of the second low-temperature flow path 221 is connected to the return air port D, and the other end of the second low-temperature flow path 221 is connected to the indoor heat exchanger 8 and the second refrigerant circuit 171, respectively.
Specifically, when the vehicle air conditioner 100 is in the heating mode, the refrigerant discharged from the outdoor heat exchanger 5 passes through the second high-temperature flow path 220, flows into the second low-temperature flow path 221 through the second bypass valve 12, and the refrigerant flowing out of the second low-temperature flow path 221 returns to the compressor 2. As can be seen from this, the refrigerant in both the second high temperature flow path 220 and the second low temperature flow path 221 is a low temperature refrigerant, and the temperature difference between the refrigerant in the second high temperature flow path 220 and the refrigerant in the second low temperature flow path 221 is close to 0, so that the second regenerator 22 has no regenerative action during heating.
When the vehicle air conditioning apparatus 100 is in the cooling mode, the refrigerant discharged from the outdoor heat exchanger 5 passes through the second high-temperature flow path 220, is reduced in pressure by the throttle of the second throttling element 11 on the first refrigerant flow path 9, becomes a low-temperature low-pressure refrigerant, enters the indoor heat exchanger 8, is subjected to evaporation and cooling, flows out of the indoor heat exchanger 8, enters the second low-temperature flow path 221, and the refrigerant flowing out of the second low-temperature flow path 221 returns to the compressor 2. As can be seen from this, the refrigerant temperature in the second high-temperature flow path 220 is higher than the refrigerant temperature in the second low-temperature flow path 221, and the second regenerator 22 has a regenerative effect, so that the cooling effect can be improved.
In an embodiment of the present invention, as shown in fig. 1 and 2, the vehicle air conditioner 100 includes a first regenerator 13 and a second regenerator 22, and one end of a second low temperature flow path 221 of the second regenerator 22 is connected to a return air port D through a first low temperature flow path of the first regenerator 13, and a refrigerant flows through the second low temperature flow path 221 and the first low temperature flow path in sequence and then flows back to the compressor 2.
In some embodiments of the present invention, as shown in fig. 1 and 2, the first water flow path is connected to the second water flow path 170, both ends of the first bypass water valve 16 are connected to both ends of the first water flow path, respectively, and both ends of the second bypass water valve 19 are connected to both ends of the second water flow path 170, respectively. From this, it can be seen that the first water flow path, the second water flow path 170, and the heat exchange flow path 201 constitute a water circuit. The first water flow path is blocked when the first bypass water valve 16 is opened, and the second water flow path 170 is blocked when the second bypass water valve 19 is opened. Optionally, a water pump 300 is connected in series to the water circuit.
As shown in fig. 2, in a further embodiment of the present invention, the vehicle air conditioning apparatus 100 further includes a heat radiation fan 20 and an air-cooled radiator 21, the heat radiation fan 20 rotates to guide air to the air-cooled radiator 21, and a third water flow path is provided in the air-cooled radiator 21, and both ends of the third water flow path are adapted to be connected to a heat exchange flow path 201 on the battery 200. Specifically, when the heat radiation fan 20 rotates, the air-cooled radiator 21 can play a role in heat radiation, and the battery 200 can be radiated by the air-cooled radiator 21. Specifically, the battery 200 can be cooled by the air-cooled radiator 21 alone according to the heat radiation load and the air conditioning demand without turning on the compressor 2. In the example shown in fig. 2, the third water flow path is connected in series on the water circuit.
According to an embodiment of the present invention, a vehicle includes: the battery 200 and the vehicle air conditioning apparatus 100 according to the above embodiment of the invention, wherein the heat exchanging flow path 201 is provided on the battery 200. Both ends of the first water flow path 41 are connected to the heat exchange flow path 201, and both ends of the second water flow path 170 are connected to the heat exchange flow path 201.
According to the vehicle of the embodiment of the invention, by arranging the vehicle air conditioning apparatus 100, the water flow absorbing the heat of the refrigerant in the first refrigerant circuit 42 can be selectively utilized to heat the battery 200, so that the energy consumption is saved, the influence of the heating process on the endurance mileage of the battery 200 can be reduced, the water flow exchanging heat with the refrigerant in the second refrigerant circuit 171 can be selectively utilized to cool the battery 200, the waste heat of the battery 200 can be utilized during heating, and the heating energy efficiency is improved.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A vehicle air conditioning apparatus, characterized by comprising:
an air conditioning duct blowing air toward the inside of the vehicle;
a compressor having an exhaust port and a return air port;
the air conditioner comprises an air conditioner air duct, an air inlet, an air outlet, an air internal cooler, an air door, an air inlet and an air outlet, wherein the air internal cooler is arranged in the air conditioner air duct, the air door is arranged in the air conditioner air duct and is movable between an avoidance position and a blocking position for blocking air from flowing to the air internal cooler, and the inlet of the air internal cooler is connected with the air outlet;
the battery heating heat exchanger comprises a first water flow path and a first refrigerant loop which exchange heat with each other, the first refrigerant loop is connected with an outlet of the gas internal cooler, and two ends of the first water flow path are suitable for being connected with a heat exchange flow path on a battery;
the outdoor heat exchanger is connected with the first refrigerant loop, the first bypass valve is connected between the outdoor heat exchanger and the first refrigerant loop in series, and the first throttling element is connected between the outdoor heat exchanger and the first refrigerant loop in series;
the indoor heat exchanger is arranged in the air conditioner air duct, a first end of the indoor heat exchanger is connected with the outdoor heat exchanger through a first refrigerant flow path, a second end of the indoor heat exchanger is connected with the air return port through a second refrigerant flow path, and a second throttling element is connected in series on the first refrigerant flow path;
the battery cooling heat exchanger comprises a second water flow path and a second refrigerant loop which exchange heat with each other, two ends of the second water flow path are suitable for being connected with the heat exchange flow path, and two ends of the second refrigerant loop are respectively connected with the first refrigerant flow path and the second refrigerant flow path;
the two ends of the second bypass valve are respectively connected with the first refrigerant flow path and the second refrigerant loop, and the third throttling element has an opening and closing function;
the water heater comprises a first bypass water valve and a second bypass water valve, wherein the first bypass water valve is used for controlling water to flow through the first water flow path or cut off the first water flow path, and the second bypass water valve is used for controlling water to flow through the second water flow path or cut off the second water flow path.
2. The vehicle air conditioning apparatus of claim 1, further comprising a first regenerator including a first high temperature flow path and a first low temperature flow path that are independent and mutually heat exchanging, the first high temperature flow path being connected to the first refrigerant circuit and the first throttling element, respectively, the first low temperature flow path forming a portion of the second refrigerant flow path.
3. The vehicle air conditioning apparatus according to claim 2, wherein the first regenerator includes a housing, a refrigerant pipe provided in the housing to define the first high temperature flow path, an injection pipe and a discharge pipe defining the first low temperature flow path, one end of the injection pipe being open and the other end of the injection pipe being connected to the indoor heat exchanger, an inlet of the discharge pipe being located at an upper portion of the housing and an outlet of the discharge pipe being connected to the return air port.
4. The vehicle air conditioning apparatus according to claim 1, wherein the first water flow path is connected to the second water flow path, both ends of the first bypass water valve are connected to both ends of the first water flow path, respectively, and both ends of the second bypass water valve are connected to both ends of the second water flow path, respectively.
5. The vehicle air conditioning apparatus of claim 1, further comprising a heat dissipating fan and an air cooled radiator, wherein the heat dissipating fan rotates to direct air to the air cooled radiator, wherein a third water flow path is provided in the air cooled radiator, and wherein both ends of the third water flow path are adapted to be connected to the heat exchanging flow path.
6. The vehicle air conditioning apparatus according to any of claims 1 to 5, further comprising a second regenerator including a second high-temperature flow path and a second low-temperature flow path that exchange heat with each other, the second high-temperature flow path constituting a portion of the first refrigerant flow path between the outdoor heat exchanger and the second throttling element, one end of the second bypass valve being connected between the second high-temperature flow path and the second throttling element, one end of the second low-temperature flow path being connected to the return air port, and the other end of the second low-temperature flow path being connected to the indoor heat exchanger and the second refrigerant circuit, respectively.
7. The vehicle air conditioning apparatus of claim 1, wherein the damper is rotatably disposed within the air conditioning duct.
8. The vehicle air conditioning apparatus according to claim 1, wherein the first to third throttle elements are electromagnetic expansion valves, respectively.
9. The vehicle air conditioning apparatus according to claim 1, wherein the first bypass valve and the second bypass valve are solenoid valves, respectively.
10. A vehicle, characterized by comprising:
the battery is provided with a heat exchange flow path;
the vehicle air conditioning apparatus according to any one of claims 1 to 9, both ends of the first water flow path being connected to the heat exchange flow path, both ends of the second water flow path being connected to the heat exchange flow path.
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| CN201710153315.3A CN106926665B (en) | 2017-03-15 | 2017-03-15 | Vehicle air conditioning equipment and vehicle with same |
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| CN201710153315.3A CN106926665B (en) | 2017-03-15 | 2017-03-15 | Vehicle air conditioning equipment and vehicle with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107449129B (en) * | 2017-08-04 | 2023-08-25 | 广东美芝制冷设备有限公司 | Air conditioning system and vehicle with same |
| CN107449130B (en) * | 2017-08-04 | 2023-08-29 | 广东美芝制冷设备有限公司 | Air conditioning system and vehicle with same |
| CN109910683B (en) * | 2019-04-04 | 2024-02-09 | 珠海格力电器股份有限公司 | Electric vehicle thermal management system, control method thereof and electric vehicle |
| CN109910550B (en) * | 2019-04-11 | 2021-09-07 | 珠海格力电器股份有限公司 | Thermal management system, control method thereof and automobile |
| CN109927509B (en) * | 2019-04-18 | 2021-09-03 | 北京新能源汽车股份有限公司 | Whole vehicle thermal management system for vehicle and vehicle with same |
| CN113400885A (en) * | 2020-03-17 | 2021-09-17 | 郑州宇通客车股份有限公司 | Vehicle, air conditioning system for vehicle and refrigerating and heating method |
| CN113276627B (en) * | 2021-06-11 | 2022-06-24 | 浙江吉利控股集团有限公司 | Thermal management system of vehicle and vehicle |
| CN113635737A (en) * | 2021-09-15 | 2021-11-12 | 深圳市科泰新能源车用空调技术有限公司 | Air conditioning system and vehicle having the same |
| WO2024230808A1 (en) * | 2023-05-11 | 2024-11-14 | 比亚迪股份有限公司 | Thermal management system and vehicle having same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101367332B (en) * | 2008-09-24 | 2011-08-17 | 华南理工大学 | Integrated heat radiator of fine antipriming pipe parallel flow for automobile |
| CN103158487B (en) * | 2011-12-19 | 2016-05-04 | 杭州三花研究院有限公司 | A kind of automotive air-conditioning system |
| CN103192681B (en) * | 2012-01-05 | 2016-05-04 | 杭州三花研究院有限公司 | A kind of automotive air-conditioning system |
| DE102012004002A1 (en) * | 2012-02-25 | 2013-08-29 | Daimler Ag | Vehicle with a high-temperature circuit, a low-temperature circuit, an air-conditioning refrigeration cycle and / or a waste heat recovery cycle |
| CN206589611U (en) * | 2017-03-15 | 2017-10-27 | 广东美芝制冷设备有限公司 | Vehicle air conditioner and the vehicle with it |
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