CN111002872A - Dual-system electric car air conditioner with battery thermal management function - Google Patents
Dual-system electric car air conditioner with battery thermal management function Download PDFInfo
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- CN111002872A CN111002872A CN201911328425.4A CN201911328425A CN111002872A CN 111002872 A CN111002872 A CN 111002872A CN 201911328425 A CN201911328425 A CN 201911328425A CN 111002872 A CN111002872 A CN 111002872A
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- 238000001704 evaporation Methods 0.000 claims abstract description 46
- 230000008020 evaporation Effects 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000009833 condensation Methods 0.000 claims abstract description 30
- 230000005494 condensation Effects 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 26
- 238000005057 refrigeration Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 5
- 239000011152 fibreglass Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 239000000110 cooling liquid Substances 0.000 abstract description 7
- 238000004378 air conditioning Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
- B61D27/0018—Air-conditioning means, i.e. combining at least two of the following ways of treating or supplying air, namely heating, cooling or ventilating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a double-system electric vehicle air conditioner with a battery heat management function, which belongs to the technical field of air conditioning systems and comprises two compressors, two four-way reversing valves, two evaporator cores, two condenser cores and two expansion valves, wherein the two compressors, the two four-way reversing valves, the two evaporator cores, the two condenser cores and the two expansion valves are arranged in a shell, a first partition board which divides the shell into a first area and a second area is arranged in the shell, and a second partition board which divides the second area into an evaporation cavity and a condensation cavity is arranged in the second area. Each compressor is connected with a four-way reversing valve, an evaporator core, a condenser core and an expansion valve to form an independent and complete refrigeration system. The heat exchanger is installed in the first area, the water storage tank is installed in the second area, and the water storage tank is communicated with the heat exchanger. The air conditioner has compact structure, small occupied space and light weight, and can utilize the cooling liquid in the air conditioner water storage tank to cool the battery of the electric car, so that the energy consumption of the whole electric car is lower.
Description
Technical Field
The invention relates to the technical field of air conditioning systems, in particular to a dual-system electric car air conditioner with a battery thermal management function.
Background
In the current transportation field at home and abroad, rail transit (including urban subways and light rails, inter-city railways and inter-city subways) has become a trend of public transportation development in various countries and regions. In modern society, people have high requirements on safety, convenience and comfort, and the requirements on rail transit are also high, so that the requirements on rail vehicles are higher and higher. To meet these requirements, the development of intelligent rail vehicles is required, which has many structural and functional differences compared with the existing rail vehicles. In an intelligent railway vehicle, an air conditioning system is a device for cooling, heating, ventilating and purifying air in a carriage, is an important component for improving the comfort of passengers in the vehicle, is accepted and confirmed by mass vehicle manufacturing enterprises and consumers, and is a functional component which plays a key role in the vehicle. At present, in order to ensure the air conditioning effect in the vehicle compartment, a plurality of vehicles on the market mostly adopt a dual-system air conditioner. The existing dual-system air conditioner has the defects of loose structure, large occupied volume and heavy weight; in addition, in the electric car, the battery of the electric car is used as a driving component, and the battery is easily overheated in the charging process, so that an independent refrigerating system is needed to cool the battery, the weight of the whole electric car is increased, the performance of an air conditioner of the electric car is not fully utilized, and the function of the air conditioner of the electric car is maximized.
Disclosure of Invention
The invention aims to provide a dual-system electric vehicle air conditioner with a battery thermal management function, which has compact structure, small occupied space and light weight, and can cool an electric vehicle battery by using cooling liquid in an air conditioner water storage tank, so that the energy consumption of the whole electric vehicle is lower.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a dual-system electric car air conditioner with battery heat management function comprises a shell, two compressors, two four-way reversing valves, two evaporator cores, two condenser cores and two expansion valves, a first clapboard which is longitudinally arranged is arranged in the shell and divides the shell into a first area and a second area, a second clapboard which is transversely arranged is arranged in the second area and divides the second area into an evaporation cavity and a condensation cavity, the first area is internally provided with two compressors and two four-way reversing valves, the condensation cavity is positioned in the middle of the second area, the evaporation cavity is positioned at two sides of the condensation cavity, the condensation cavity divides the evaporation cavity into a left cavity and a right cavity which are mutually independent along the length direction of the shell, two condenser cores are arranged in the condensation cavity, and one evaporator core is arranged in each evaporation cavity; the two compressors are respectively arranged on the left side and the right side of the first area, and each compressor is connected with a four-way reversing valve, an evaporator core, a condenser core and an expansion valve through a refrigeration pipeline to form two complete and independent refrigeration systems; a power supply and an electrical box are arranged in the second area, and the power supply, the electrical box and the two compressors are electrically connected;
the electric car battery refrigerator comprises a first area, a second area, a heat exchanger, a water storage tank, a water inlet, a water outlet, a refrigerating pipeline, a refrigerating system, a water storage tank, a refrigerating system, a trolley bus battery refrigerator and a trolley bus battery refrigerator, wherein the first area is provided with the heat exchanger, the second area is provided with the water storage tank, the water.
In a preferred technical scheme of the invention, a first air outlet is arranged at the top of the condensation cavity, a plurality of condensation fans are arranged at the first air outlet, second air outlets are respectively arranged at the bottom edges of the left side and the right side of the evaporation cavity, and an evaporation fan is arranged at each second air outlet; the middle of the bottom of the shell is provided with a first air inlet which is communicated with the condensation cavity, two sides of the first air inlet are respectively provided with a second air inlet, and each second air inlet is communicated with one evaporation cavity.
In a preferred technical solution of the present invention, the second air outlet in each evaporation cavity is provided in plurality along the length direction of the housing, and an evaporation fan is installed at each second air outlet.
In a preferred technical scheme of the invention, a fresh air device is arranged on the outer wall of the shell, and an air outlet of the fresh air device is communicated with the evaporation cavity through a transition air duct.
In a preferred technical solution of the present invention, the fresh air device is located at one side of the evaporation cavity and is far away from the first region.
In a preferred technical solution of the present invention, the two evaporation chambers are respectively provided with a third partition, one end of the third partition is fixedly connected to the second partition, and the other end of the third partition abuts against the housing, a waterproof chamber is formed between the second partition and the side wall of the housing of each third partition, and the power supply and the electrical box are respectively installed in the two waterproof chambers.
In a preferred technical scheme of the present invention, each third partition plate is provided with a vent hole.
In a preferred embodiment of the present invention, a flow divider is installed in the refrigeration pipeline of each refrigeration system, and the flow divider is installed between the outlet of the expansion valve and the inlet of the evaporator core.
In a preferred technical scheme of the invention, each refrigerating system is provided with a gas-liquid separator and a drying bottle.
In a preferred technical scheme of the invention, a glass fiber reinforced plastic outer cover is fixed on the top of the shell.
The invention has the beneficial effects that:
the invention provides a double-system electric vehicle air conditioner with a battery heat management function, which adopts a double-system design, two independent refrigerating systems are arranged in a shell, and the air conditioner has compact structure, small occupied space and light weight; and install heat exchanger and water storage box in the casing, the heat exchanger communicates with arbitrary refrigerating system and water storage box respectively, can cool down the coolant liquid in the water storage box, and the coolant liquid after the cooling leads to in the radiator of trolley-bus battery through the pipeline, cools down the trolley-bus battery, make full use of the performance of air conditioner, has improved the energy consumption ratio of air conditioner, has reduced the weight of the whole car of trolley-bus simultaneously, makes the trolley-bus consume energy lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
fig. 1 is a schematic diagram of an internal structure of a dual-system electric car air conditioner with a battery thermal management function provided by the invention;
fig. 2 is a left side view of a dual-system electric car air conditioner with a battery thermal management function according to the present invention;
fig. 3 is a perspective view of the inside of a dual-system electric car air conditioner case having a battery thermal management function according to the present invention.
Reference numerals:
1. a housing; 2. a gas-liquid separator; 3. a compressor; 4. an evaporator core; 5. a condenser core; 6. a power source; 7. a fresh air device; 8. a water storage tank; 9. an electrical box; 10. a glass fiber reinforced plastic housing; 11. a first separator; 12. a second separator; 13. a third partition plate; 14. drying the bottle; 15. a heat exchanger; 16. an expansion valve; 17. a waterproof cavity; 18. a condensation chamber; 19. an evaporation chamber; 31. a refrigeration circuit; 32. a four-way reversing valve; 41. a flow divider; 42. an evaporation fan; 51. a condensing fan; 71. transition wind channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, motion, and the like between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly. In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
As shown in fig. 1-3, the dual-system electric car air conditioner with the battery heat management function comprises a shell 1, two compressors 3, two four-way reversing valves 32, two evaporator cores 4, two condenser cores 5 and two expansion valves 16, wherein the expansion valves 16 are electronic expansion valves, so that the refrigerant flow of an air-conditioning cooling system is accurately controlled, and the dual-system electric car air conditioner is suitable for real-time change of car load. A first partition plate 11 which is longitudinally arranged is arranged in the shell 1, the shell 1 is divided into a first area and a second area, a second partition plate 12 which is transversely arranged is arranged in the second area, the second area is divided into an evaporation cavity 19 and a condensation cavity 18, two compressors 3 and two four-way reversing valves 32 are arranged in the first area, the condensation cavity 18 is positioned in the middle of the second area, the evaporation cavity 19 is positioned on two sides of the condensation cavity 18, the evaporation cavity 19 is divided into a left cavity and a right cavity by the condensation cavity 18 along the length direction of the shell 1, the left cavity and the right cavity are mutually independent, two condenser cores 5 are arranged in the condensation cavity 18, and one evaporator core 4 is arranged in each evaporation cavity 19; the two compressors 3 are respectively arranged on the left side and the right side of the first area, and each compressor 3 is connected with a four-way reversing valve 32, an evaporator core 4, a condenser core 5 and an expansion valve 16 through a refrigeration pipeline 31 to form two complete and independent refrigeration systems. More specifically, the pipeline is in brazing connection with a copper pipe, and the compressor 3 is connected with the pipeline by adopting a metal corrugated hose to play a role in vibration reduction; a power supply 6 and an electrical box 9 are installed in the second area, and the power supply 6, the electrical box 9 and the two compressors 3 are electrically connected;
the trolley bus battery refrigerator comprises a first area, a second area, a heat exchanger 15, a water storage tank 8, a water inlet and a water outlet, wherein the first area is internally provided with the heat exchanger 15, the second area is internally provided with the water storage tank 8, the water storage tank 8 is provided with the water inlet and the water outlet, a first cavity of the heat exchanger 15 is communicated with a refrigerating pipeline of any refrigerating system, an inlet of a second cavity of the heat exchanger 15 is communicated with the water outlet of the water storage tank 8, an outlet of the second cavity of the heat exchanger 15 is communicated with an inlet of the trolley bus battery refrigerator, and a water inlet of. More specifically, the water storage tank 8 stores the cooling liquid, the cooling liquid exchanges heat with a low-temperature refrigerant in the refrigeration system in the heat exchanger 15, the temperature of the cooling liquid is reduced, the cooling liquid is conveyed to the battery of the electric vehicle to cool the battery, the temperature rise of the electric vehicle battery is restrained, and the service life of the electric vehicle battery can be prolonged. And a pressure pump is arranged in a pipeline connecting the water storage tank 8 and the heat exchanger 15 and used for providing power for liquid flowing in the pipeline. The air conditioner also adopts an electrical safety protection technology, and has the functions of selecting and switching a power supply 6, ventilating, refrigerating, heating, defrosting, dehumidifying, setting temperature, controlling temperature, displaying working states of a fan and a compressor, realizing intellectualization, and realizing automatic variable-frequency operation and alarm protection of the compressor according to the temperature and pressure of the system; the system is provided with high and low pressure protection, temperature protection, motor overheating and overcurrent protection. The power supply 6 has a plurality of safety protection devices such as undervoltage, overvoltage, open-phase protection and the like.
According to the double-system electric vehicle air conditioner with the battery thermal management function, the air conditioner adopts a double-system design, the two independent refrigerating systems are arranged in the shell 1, the structure is compact, the occupied space is small, and the weight is light; and install in the casing 1 heat exchanger 15 with water storage tank 8, heat exchanger 15 respectively with arbitrary refrigerating system with water storage tank 8 intercommunication, refrigerating system's low temperature refrigerant can be right the coolant liquid in the water storage tank 8 cools down, the coolant liquid after the cooling leads to in the radiator of trolley-bus battery through the pipeline, cools down the trolley-bus battery, make full use of the performance of air conditioner, improved the energy consumption ratio of air conditioner, reduced the whole weight of trolley-bus simultaneously, make the trolley-bus consume energy lower.
More specifically, the adoption dual system design of air conditioner, 1 inside by the polylith of casing 11 separate into first district with the second district, 1 structural weld of casing is integral, simplifies sheet metal working and assembly. Further, the compressor 3 the four-way reversing valve 32 is installed in the first area, the second area is divided into an evaporation cavity 19 and a condensation cavity 18 by the second partition plate 12, the condensation cavity 18 is located in the middle of the second area, the evaporation cavity 19 is located on two sides of the condensation cavity 18, two condenser cores 5 are installed in the condensation cavity 18, and one evaporator core 4 is installed in each evaporation cavity 19. The shell 1 is divided into a first area and a second area, so that the position arrangement among all the parts of the air conditioner is more reasonable, the mutual influence among all the parts is avoided, the structure is compact, and the stability of the whole air conditioner is also improved. The heat exchanger 15 is installed in the first area, the heat exchanger 15 can adopt a plate-tube heat exchanger 15, the water storage tank 8 is installed in the second area, a water inlet and a water outlet are formed in the water storage tank 8, a first cavity of the heat exchanger 15 is communicated with a refrigeration pipeline of any refrigeration system, an inlet of a second cavity of the heat exchanger 15 is communicated with the water outlet of the water storage tank 8, an outlet of the second cavity of the heat exchanger 15 is communicated with an inlet of the trolley battery refrigerator, and a water inlet of the water storage tank 8 is communicated with an outlet of the trolley battery refrigerator. Because the trolley-bus air conditioner is not operated at full load in the working process, a part of the refrigerant in the refrigerating system enters the heat exchanger 15 to cool the cooling liquid in the water storage tank 8, and the whole air conditioner cannot be greatly influenced, namely, the ventilation, refrigeration and heating of a carriage cannot be influenced. Refrigerant in the refrigerating system adopts R407C working medium snow, and the universality is high. And install heat exchanger 15 additional in the air conditioner, saved the radiating part of battery department, for the trolley-bus of a plurality of batteries, the radiating part is great, has saved the radiating part of battery department, can reduce the whole car weight of trolley-bus to a great extent, and energy saving effectively lowers the temperature simultaneously in time, prevents that the trolley-bus battery is overheated, can prolong the life of battery, kills many birds with one stone.
Further, a first air outlet is formed in the top of the condensation cavity 18, a plurality of condensation fans 51 are installed at the first air outlet, second air outlets are respectively formed in the bottom edges of the left side and the right side of the evaporation cavity 19, and an evaporation fan 42 is installed at each second air outlet; the middle of the bottom of the shell 1 is provided with a first air inlet which is communicated with the condensation cavity 18, two sides of the first air inlet are respectively provided with a second air inlet, and each second air inlet is respectively communicated with one evaporation cavity 19. The first air inlet, the first air outlet, the condenser core body 5 and the condensing fan 51 form an external circulation of the air conditioner; the second air inlet, the second air outlet, the evaporator core body 4 and the evaporation fan 42 form the vehicle internal circulation of the air conditioner, and two different gas circulation systems work in a matched mode to achieve the functions of refrigerating, heating, ventilating and the like in the carriage.
Further, each second air outlet in the evaporation cavity 19 is provided with a plurality of second air outlets along the length direction of the shell 1, and each second air outlet is provided with an evaporation fan 42. The plurality of air outlets are arranged along the length direction of the vehicle, so that the evaporator can provide cold and warm air for the carriage, and the plurality of different second air outlets are used for supplying air to the carriage in a partitioned manner.
Further, a fresh air device 7 is installed on the outer wall of the shell 1, and an air outlet of the fresh air device 7 is communicated with the evaporation cavity 19 through a transition air duct 71. Furthermore, the fresh air device 7 is located on one side of the evaporation cavity 19 and is far away from the first area. Fresh air device 7 is used for with the air purification in the tram, provides fresh air in to the carriage, improves passenger's comfort level. Fresh air device 7 has ponding and rainwater to produce at the course of the work, and rainwater and ponding can directly be followed transition wind channel 71 flow to evaporation chamber 19 department gather in evaporation chamber 19's ponding dish, then flow out outside the air conditioner, can not exert an influence to other parts.
Furthermore, the two evaporation chambers 19 are respectively provided with a third partition plate 13, one end of each third partition plate 13 is fixedly connected with the second partition plate 12, the other end of each third partition plate 13 abuts against the shell 1, a waterproof chamber 17 is formed between the second partition plate 12 and the side wall of the shell 1, and the power supply 6 and the electrical box 9 are respectively installed in the two waterproof chambers 17. The electrical box 9 and the power supply 6 are arranged in the waterproof cavity 17, so that direct contact with the outside is avoided, and faults such as water inlet short circuit and the like are avoided.
Further, each third partition plate 13 is provided with a vent hole. The ventilation hole is used for waterproof chamber 17 with evaporation chamber 19 carries out the heat exchange, waterproof chamber 17 the ventilation hole will power 6 the original extrinsic cycle heat dissipation of electrical apparatus case 9 becomes the inner loop heat dissipation, and is right power 6 electrical apparatus case 9's protective capacities is higher, has improved power 6 electrical apparatus case 9's waterproof dustproof performance.
Further, a flow divider 41 is installed in the refrigeration pipeline 31 of each refrigeration system, and the flow divider 41 is installed between the outlet of the expansion valve 16 and the inlet of the evaporator core 4. The flow divider 41 has a liquid dividing function, so that the refrigerants in the two evaporator cores 4 are uniformly distributed, and the refrigeration and heating dual-efficiency effect is facilitated
Further, each of the refrigeration systems is equipped with a gas-liquid separator 2 and a drying bottle 14. The gas-liquid separator 2 prevents liquid from easily entering the compressor 3, but stores the liquid to protect the compressor 3, and the drying bottle 14 acts on a refrigerant.
Further, a glass fiber reinforced plastic cover 10 is fixed on the top of the housing 1. The glass fiber reinforced plastic cover 10 serves to protect the housing 1 and also to make the housing 1 more aesthetically pleasing.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a two system trolley-bus air conditioner that possesses battery thermal management function, includes casing, two compressors, two four-way reversing valves, two evaporimeter cores, two condenser cores and two expansion valves, its characterized in that: the shell is internally provided with a first partition plate which is longitudinally arranged, the shell is divided into a first area and a second area, the second area is internally provided with a second partition plate which is transversely arranged, the second area is divided into an evaporation cavity and a condensation cavity, the first area is internally provided with two compressors and two four-way reversing valves, the condensation cavity is positioned in the middle of the second area, the evaporation cavity is positioned on two sides of the condensation cavity, the condensation cavity divides the evaporation cavity into a left cavity and a right cavity which are mutually independent along the length direction of the shell, the condensation cavity is internally provided with two condenser cores, and each evaporation cavity is internally provided with one evaporator core; the two compressors are respectively arranged on the left side and the right side of the first area, and each compressor is connected with a four-way reversing valve, an evaporator core, a condenser core and an expansion valve through a refrigeration pipeline to form two complete and independent refrigeration systems; a power supply and an electrical box are arranged in the second area, and the power supply, the electrical box and the two compressors are electrically connected;
the electric car battery refrigerator comprises a first area, a second area, a heat exchanger, a water storage tank, a water inlet, a water outlet, a refrigerating pipeline, a refrigerating system, a water storage tank, a refrigerating system, a trolley bus battery refrigerator and a trolley bus battery refrigerator, wherein the first area is provided with the heat exchanger, the second area is provided with the water storage tank, the water.
2. The dual-system air conditioner with battery thermal management function according to claim 1, characterized in that:
a first air outlet is formed in the top of the condensation cavity, a plurality of condensation fans are installed at the first air outlet, second air outlets are respectively formed in the bottom edges of the left side and the right side of the evaporation cavity, and an evaporation fan is installed at each second air outlet; the middle of the bottom of the shell is provided with a first air inlet which is communicated with the condensation cavity, two sides of the first air inlet are respectively provided with a second air inlet, and each second air inlet is communicated with one evaporation cavity.
3. The dual-system air conditioner with battery thermal management function according to claim 2, characterized in that:
every in the evaporation chamber the second air outlet is followed the length direction of casing sets up a plurality ofly, every evaporation fan is all installed to second air outlet department.
4. The dual-system air conditioner with battery thermal management function according to claim 1, characterized in that:
the fresh air device is installed on the outer wall of the shell, and an air outlet of the fresh air device is communicated with the evaporation cavity through a transition air duct.
5. The dual-system air conditioner with battery thermal management function according to claim 4, characterized in that:
the fresh air device is located on one side of the evaporation cavity and is far away from the first area.
6. The dual-system air conditioner with battery thermal management function according to claim 1, characterized in that:
and the two evaporation chambers are respectively provided with a third partition plate, one end of each third partition plate is fixedly connected with the second partition plate, one end of each third partition plate is abutted against the shell, a waterproof chamber is formed between each second partition plate and the side wall of the shell, and the power supply and the electric appliance box are respectively arranged in each waterproof chamber.
7. The dual-system air conditioner with battery thermal management function according to claim 6, characterized in that:
each third baffle is provided with a vent hole.
8. The dual-system electric car air conditioner with battery thermal management function according to any one of claims 1 to 7, characterized in that:
and a shunt is arranged in a refrigerating pipeline of each refrigerating system, and is arranged between an outlet of the expansion valve and an inlet of the evaporator core body.
9. The dual-system air conditioner with battery thermal management function according to claim 1, characterized in that:
each refrigerating system is provided with a gas-liquid separator and a drying bottle.
10. The dual-system air conditioner with battery thermal management function according to claim 1, characterized in that:
and a glass fiber reinforced plastic outer cover is fixed at the top of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328425.4A CN111002872B (en) | 2019-12-20 | 2019-12-20 | Dual-system electric car air conditioner with battery thermal management function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328425.4A CN111002872B (en) | 2019-12-20 | 2019-12-20 | Dual-system electric car air conditioner with battery thermal management function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111002872A true CN111002872A (en) | 2020-04-14 |
| CN111002872B CN111002872B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911328425.4A Active CN111002872B (en) | 2019-12-20 | 2019-12-20 | Dual-system electric car air conditioner with battery thermal management function |
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| CN111002872B (en) | 2022-10-25 |
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