WO2022226763A1 - 一种用于车辆冷却系统的膨胀水壶及车辆冷却系统 - Google Patents
一种用于车辆冷却系统的膨胀水壶及车辆冷却系统 Download PDFInfo
- Publication number
- WO2022226763A1 WO2022226763A1 PCT/CN2021/090143 CN2021090143W WO2022226763A1 WO 2022226763 A1 WO2022226763 A1 WO 2022226763A1 CN 2021090143 W CN2021090143 W CN 2021090143W WO 2022226763 A1 WO2022226763 A1 WO 2022226763A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drainage channel
- liquid
- kettle
- cooling system
- kettle body
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 85
- 238000005192 partition Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 239000011111 cardboard Substances 0.000 claims description 2
- 239000000110 cooling liquid Substances 0.000 abstract description 18
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000001502 supplementing effect Effects 0.000 abstract 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 230000009469 supplementation Effects 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 9
- 238000007872 degassing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000580063 Ipomopsis rubra Species 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
- F01P11/029—Expansion reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
- F01P11/028—Deaeration devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
Definitions
- the invention belongs to the technical field of automobile cooling systems, and relates to an expansion kettle for a vehicle cooling system and a vehicle cooling system.
- the cooling system in automobiles is usually in the form of: using a radiator to separate the circulating cooling liquid in the cooling system from liquid and gas, and setting up an air outlet at the highest part of the radiator water chamber to connect with the expansion kettle, and through the expansion kettle
- the water supply pipe of the radiator forms a parallel circuit with the main cooling water circuit, so that the air separated by the radiator is brought into the expansion kettle and stored in the expansion kettle.
- the battery cooling system does not have a radiator, and the pipeline is complicated, which is easy to accumulate air. Therefore, the rapid degassing of the battery cooling circuit is particularly important.
- a special liquid-gas separator is connected in series with the main circuit of the cooling system for degassing. The degassing effect of this method depends on the design of the liquid-gas separator, and the addition of the liquid-gas separator leads to Cooling system costs and weight skyrocket.
- the degassing structure of the vehicle cooling system needs to be optimized.
- the purpose of the present invention is to provide an expansion kettle for a vehicle cooling system and a vehicle cooling system, which can realize automatic degassing of the cooling system, and can reduce the cost and weight compared with the existing degassing methods.
- An expansion kettle for a vehicle cooling system the expansion kettle comprises a kettle body and a chamber arranged inside the kettle body, the kettle body is provided with a liquid inlet and a liquid outlet, and the inner part of the kettle body is provided with a liquid inlet and a liquid outlet.
- the vent hole and the liquid replenishing hole are all communicated with the chamber.
- the expansion kettle is directly connected in series on the main cooling circuit of the motor, the cooling liquid enters the expansion kettle through the liquid inlet, and flows out of the expansion kettle from the liquid outlet after flowing through the drainage channel.
- the air in the cooling liquid enters the chamber inside the kettle body with part of the cooling liquid leaving the drainage channel through the exhaust hole, and part of the cooling liquid stored in the chamber enters the drainage channel through the replenishment hole to realize automatic separation of cooling
- the vent hole and the rehydration hole are opened on the side of the drainage channel to avoid the NVH problem caused by the fluctuation of the liquid level.
- the air separated from the cooling system is stored in the expansion kettle.
- the top of the expansion kettle is provided with a pressure cap.
- the pressure cap on the top needs to be opened to add coolant.
- a pressure valve is set on the pressure cover. When the air in the expansion kettle reaches a certain amount, the air pressure will rise and the pressure valve on the pressure cover will open.
- the drainage channel is in an arc shape bent outward, the exhaust hole is arranged on the outer side of the drainage channel, and the liquid replenishment hole is arranged on the inner side of the drainage channel.
- the exhaust hole is arranged at the top of the outer side of the drainage channel, and the liquid replenishment hole is arranged at the bottom of the inner side of the drainage channel. Since the air will automatically float up and exist above the liquid level of the coolant, the exhaust hole is arranged on the top of the outer side of the drainage channel, which is easy to discharge the air. After the air is expelled, the refill hole replenishes the coolant until the entire cooling system is completely filled with liquid.
- vent hole and the fluid replenishing hole can be selected in the form of a square hole, a round hole, a cutout, and the like.
- liquid inlet is arranged on the side of the kettle body, and the liquid outlet is arranged at the bottom of the kettle body.
- the fluid is at the corner of the arc-shaped drainage channel, and the outer rounded corner is used as the characteristic of the positive pressure area to design the exhaust hole, and the inner rounded corner is used as the characteristic of the negative pressure area to design the refilling hole, thereby realizing the function of exhausting and rehydrating.
- the drainage channel is a linear drainage channel
- the exhaust hole and the liquid replenishing hole are arranged on the same side of the drainage channel
- the bottom of the pot body is provided with a turbulence structure.
- the spoiler structure can promote the effect of exhaust rehydration.
- the turbulent structure is a raised portion that is arranged at the bottom of the pot body and protrudes upward, the raised portion is adapted to the bottom of the drainage channel, and the raised portion is located at the vent hole and the fluid refill. between the holes.
- the bulge at the bottom of the pot body acts as a turbulent structure, and its main function is to increase the resistance at a certain position, thereby changing the flow field inside the drainage channel.
- part of the coolant containing air flows out of the drainage channel through the exhaust hole; the other part of the coolant flows through the bulge and the resistance decreases.
- the inner diameter of the channel is increased, so that the cooling liquid in the chamber is sucked into the drainage channel through the liquid replenishment pipe.
- liquid inlet and the liquid outlet are arranged coaxially.
- the chamber is provided with a plurality of baffles, and the plurality of baffles divide the chamber into a plurality of interconnected cavities, and the exhaust holes and the liquid replenishment holes are respectively connected with different cavities.
- the partition plate can strengthen the strength of the kettle body.
- the partition plate can also divide the cavity into a plurality of cavities, and the partition plate is provided with holes, which can connect two adjacent cavities.
- the cavity includes an exhaust cavity and a liquid replenishment cavity, the exhaust hole is connected with the exhaust cavity, the liquid replenishment hole is connected with the liquid replenishment cavity, and the exhaust cavity and the liquid replenishment cavity are separated by a partition.
- the drainage channel is provided with a card slot, and the inside of the pot body is provided with a fixed card plate adapted to the card slot.
- the drainage channel is installed on the fixed card board through the card slot to realize the clamping connection, and after the clamping, the drainage channel just connects the liquid inlet and the liquid outlet, thereby realizing the assembly of the drainage channel inside the pot body.
- the kettle body includes an upper kettle body and a lower kettle body, and the liquid inlet, the liquid outlet and the drainage channel are all arranged on the lower kettle body.
- the drainage channel is first assembled on the lower pot body, and then the lower pot body and the upper pot body are welded.
- a vehicle cooling system includes the expansion kettle.
- the present invention has the following characteristics:
- the drainage channel can be designed as an arc or straight line that is bent outwards, so as to be suitable for different expansion kettles, with good flexibility.
- Fig. 1 is the structural representation of drainage channel in embodiment 1;
- Fig. 2 is the top view structure schematic diagram of the lower pot body in the embodiment 1;
- Fig. 3 is the schematic diagram after the drainage channel is assembled in the kettle body in the embodiment 1;
- Fig. 4 is the principle schematic diagram of automatic degassing in embodiment 1;
- Fig. 5 is the exploded structure schematic diagram of the expansion kettle in the embodiment 1;
- Fig. 6 is the structural representation of drainage channel in embodiment 2;
- Fig. 7 is the top view structure schematic diagram of the lower pot body in the embodiment 2;
- Fig. 8 is the schematic diagram after the drainage channel is assembled in the kettle body in the embodiment 2;
- Fig. 9 is the principle schematic diagram of automatic degassing in embodiment 2.
- Fig. 10 is the exploded structure schematic diagram of the expansion kettle in the embodiment 2;
- 1-pot body 101-upper pot body, 102-lower pot body, 2-chamber, 3-liquid inlet, 4-liquid outlet, 5-drainage channel, 6-vent hole, 7-hydration hole, 8-protrusion, 9-partition, 10-card slot.
- a vehicle cooling system includes an expansion kettle for the vehicle cooling system as shown in FIG. 5
- the expansion kettle includes a kettle body 1 and a chamber 2 arranged inside the kettle body 1 .
- the kettle body 1 is provided with a liquid inlet 3 and a liquid outlet 4, and the inside of the kettle body 1 is provided with a drainage channel 5 that is adapted to the bottom of the kettle body 1.
- the two ends of the drainage channel 5 are respectively Connected with the liquid inlet 3 and the liquid outlet 4, the side of the drainage channel 5 is sequentially provided with an exhaust hole 6 and a liquid replenishment hole 7 along the flow direction of the cooling liquid.
- the drainage channel 5 is in the shape of an arc that bends outwards.
- the exhaust hole 6 is arranged at the top of the outer side of the drainage channel 5
- the liquid replenishment hole 7 is arranged at the bottom of the inner side of the drainage channel 5 .
- the liquid inlet 3 is arranged on the side of the kettle body 1
- the liquid outlet 4 is arranged at the bottom of the kettle body 1 .
- the chamber 2 is provided with a plurality of baffles 9, and the plurality of baffles 9 divide the chamber 2 into a plurality of interconnected cavities.
- the drainage channel 5 is provided with a card slot 10
- the inside of the pot body 1 is provided with a fixed card plate adapted to the card slot 10 .
- the kettle body 1 includes an upper kettle body 101 and a lower kettle body 102 , and the liquid inlet 3 , the liquid outlet 4 and the drainage channel 5 are all arranged on the lower kettle body 102 .
- the cooling liquid is at the corner of the arc-shaped drainage channel 5, and the outer fillet is used as the characteristic of the positive pressure area to design the exhaust hole 6, and the inner fillet is used as the characteristic of the negative pressure area to design the liquid replenishment hole 7, and then realize the discharge hole 6. Gas replenishment function.
- a vehicle cooling system includes an expansion kettle for the vehicle cooling system as shown in FIG. 10 , the expansion kettle includes a kettle body 1 and a chamber 2 arranged inside the kettle body 1 .
- the kettle body 1 is provided with a liquid inlet 3 and a liquid outlet 4, and the inside of the kettle body 1 is provided with a drainage channel 5 that is adapted to the bottom of the kettle body 1.
- the two ends of the drainage channel 5 are respectively Connected with the liquid inlet 3 and the liquid outlet 4, the side of the drainage channel 5 is sequentially provided with an exhaust hole 6 and a liquid replenishment hole 7 along the flow direction of the cooling liquid.
- the drainage channel 5 is a linear drainage channel
- the exhaust hole 6 and the liquid replenishment hole 7 are arranged on the same side of the drainage channel 5, and the bottom of the pot body 1 is provided with a turbulence structure.
- the turbulence structure is a raised portion 8 that is arranged at the bottom of the pot body 1 and protrudes upwards.
- the raised portion 8 is adapted to the bottom of the drainage channel 5, and the raised portion 8 is located between the exhaust hole 6 and the liquid replenishment hole 7. between.
- the liquid inlet 3 and the liquid outlet 4 are arranged coaxially.
- the chamber 2 is provided with a plurality of partitions 9, which divide the chamber 2 into a plurality of interconnected cavities, and the exhaust hole 6 and the liquid replenishment hole 7 are respectively connected to different cavities.
- the drainage channel 5 is provided with a card slot 10
- the inside of the pot body 1 is provided with a fixed card plate adapted to the card slot 10 .
- the kettle body 1 includes an upper kettle body 101 and a lower kettle body 102 , and the liquid inlet 3 , the liquid outlet 4 and the drainage channel 5 are all arranged on the lower kettle body 102 .
- the present invention arranges the drainage channel 5 connecting the liquid inlet 3 and the liquid outlet 4 inside the pot body 1, and sequentially arranges the exhaust along the flow direction of the cooling liquid on the side of the drainage channel 5.
- Hole 6 and replenishment hole 7 can realize automatic separation of air in cooling liquid and automatic replenishment of cooling liquid; because the expansion kettle is directly connected in series to the main cooling circuit of the motor, the cost of pipelines, pipe clamps and liquid-gas separators is reduced.
- the input and layout space also reduces the weight of the cooling system; the drainage channel 5 can be designed to be curved or straight, which is suitable for different expansion kettles, and has good flexibility.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
Claims (11)
- 一种用于车辆冷却系统的膨胀水壶,其特征在于,该膨胀水壶包括壶体(1)以及设置在壶体(1)内部的腔室(2),所述的壶体(1)上设有进液口(3)及出液口(4),所述的壶体(1)的内部设有与壶体(1)底部相适配的引流通道(5),该引流通道(5)的两端分别与进液口(3)、出液口(4)相连,所述的引流通道(5)的侧面沿冷却液流动方向依次设有排气孔(6)、补液孔(7),所述的排气孔(6)及补液孔(7)均与腔室(2)相连通。
- 根据权利要求1所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的引流通道(5)呈向外弯折的弧形,所述的排气孔(6)设置在引流通道(5)的外侧面,所述的补液孔(7)设置在引流通道(5)的内侧面。
- 根据权利要求2所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的排气孔(6)设置在引流通道(5)的外侧面顶部,所述的补液孔(7)设置在引流通道(5)的内侧面底部。
- 根据权利要求2所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的进液口(3)设置在壶体(1)的侧面,所述的出液口(4)设置在壶体(1)的底部。
- 根据权利要求1所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的引流通道(5)为直线型引流通道,所述的排气孔(6)及补液孔(7)设置在引流通道(5)的同一侧面,所述的壶体(1)的底部设有扰流结构。
- 根据权利要求5所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的扰流结构为设置在壶体(1)底部并向上凸出的凸起部(8),该凸起部(8)与引流通道(5)的底部相适配,并且所述的凸起部(8)位于排气孔(6)与补液孔(7)之间。
- 根据权利要求5所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的进液口(3)及出液口(4)同轴设置。
- 根据权利要求5所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的腔室(2)内设有多个隔板(9),多个隔板(9)将腔室(2)分为多个相互连通的腔体,所述的排气孔(6)及补液孔(7)分别与不同的腔体相连。
- 根据权利要求1所述的一种用于车辆冷却系统的膨胀水壶,其特征在于, 所述的引流通道(5)上设有卡槽(10),所述的壶体(1)的内部设有与卡槽(10)相适配的固定卡板。
- 根据权利要求1所述的一种用于车辆冷却系统的膨胀水壶,其特征在于,所述的壶体(1)包括上壶体(101)及下壶体(102),所述的进液口(3)、出液口(4)及引流通道(5)均设置在下壶体(102)上。
- 一种车辆冷却系统,其特征在于,该车辆冷却系统含有如权利要求1至10任一项所述的膨胀水壶。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2021/090143 WO2022226763A1 (zh) | 2021-04-27 | 2021-04-27 | 一种用于车辆冷却系统的膨胀水壶及车辆冷却系统 |
US18/256,888 US20240092160A1 (en) | 2021-04-27 | 2021-04-27 | Expansion tanks for vehicle cooling systems and vehicle cooling systems |
KR1020237037945A KR20230159616A (ko) | 2021-04-27 | 2021-04-27 | 차량 냉각 시스템에 사용되는 팽창 탱크 및 차량 냉각 시스템 |
CN202180086399.8A CN117320909A (zh) | 2021-04-27 | 2021-04-27 | 一种用于车辆冷却系统的膨胀水壶及车辆冷却系统 |
EP21938251.2A EP4249737A4 (en) | 2021-04-27 | 2021-04-27 | EXPANSION TANK FOR VEHICLE COOLING SYSTEM AND VEHICLE COOLING SYSTEM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2021/090143 WO2022226763A1 (zh) | 2021-04-27 | 2021-04-27 | 一种用于车辆冷却系统的膨胀水壶及车辆冷却系统 |
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WO2022226763A1 true WO2022226763A1 (zh) | 2022-11-03 |
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ID=83847629
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PCT/CN2021/090143 WO2022226763A1 (zh) | 2021-04-27 | 2021-04-27 | 一种用于车辆冷却系统的膨胀水壶及车辆冷却系统 |
Country Status (5)
Country | Link |
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US (1) | US20240092160A1 (zh) |
EP (1) | EP4249737A4 (zh) |
KR (1) | KR20230159616A (zh) |
CN (1) | CN117320909A (zh) |
WO (1) | WO2022226763A1 (zh) |
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2021
- 2021-04-27 CN CN202180086399.8A patent/CN117320909A/zh active Pending
- 2021-04-27 WO PCT/CN2021/090143 patent/WO2022226763A1/zh active Application Filing
- 2021-04-27 KR KR1020237037945A patent/KR20230159616A/ko unknown
- 2021-04-27 EP EP21938251.2A patent/EP4249737A4/en active Pending
- 2021-04-27 US US18/256,888 patent/US20240092160A1/en active Pending
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CN117320909A (zh) | 2023-12-29 |
KR20230159616A (ko) | 2023-11-21 |
EP4249737A4 (en) | 2024-03-27 |
EP4249737A1 (en) | 2023-09-27 |
US20240092160A1 (en) | 2024-03-21 |
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