CN207328123U - A kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery - Google Patents
A kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery Download PDFInfo
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- CN207328123U CN207328123U CN201721286298.2U CN201721286298U CN207328123U CN 207328123 U CN207328123 U CN 207328123U CN 201721286298 U CN201721286298 U CN 201721286298U CN 207328123 U CN207328123 U CN 207328123U
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Abstract
The utility model discloses a kind of cooling system of the hybrid electric vehicle suitable for water-cooled power battery, belong to the cooling technology field of hybrid electric vehicle, which includes High-temperature cooling system, medium temperature cooling system, low-temperature cooling system and battery cooling system；High-temperature cooling system is used for power source when engine is run as coolant circulation using mechanical water pump, and electric water pump is used for the power source as coolant circulation when pure electric vehicle is run；Medium temperature cooling system uses the power source that electric water pump is circulated as coolant；Low-temperature cooling system uses the power source that electric water pump is circulated as coolant.High, medium and low temperature cooling system shares coolant bottle and is used for realization coolant compensation and returns gas.Battery cooling system is individually used for realization coolant compensation using coolant bottle and returns airway dysfunction.The parts of different cooling requirements are divided into multiple cooling circuits by the system, can be interacted to avoid the parts in different cooling circuits, be reached the optimization of heat exchange.
Description
Technical field
The utility model belongs to the cooling technology field of hybrid electric vehicle, and in particular to one kind is suitable for water-cooled power
The cooling system of the hybrid electric vehicle of battery.
Background technology
With the implementation of national three stage complete-vehicle oil consumption regulations, conventional gasoline machine technology is increasingly challenged.In order to answer
To challenge, domestic major main engine plants increasingly pay attention to the development and application of hybrid electric vehicle, because it has the advantages that low oil consumption,
It is a developing direction of current automobile, compared to traditional vehicle increase power battery, motor, electric machine controller, charger, transformation
The components such as device (direct current → direct current).To make the cooling arrangement that the parts for having cooling requirement are optimized, it is necessary to design more sets
Cooling system is used for the cooling of parts.Air-cooled power battery and water cooling power electric can be divided into according to the difference of power battery type
Pond, air-cooled power battery of the prior art can not accurately control cooling temperature, and water cooling power battery can be by power battery
Temperature control in its optimum working temperature, have the advantages that to lift battery efficiency.
Utility model content
The shortcomings that in order to overcome in the prior art, the purpose of this utility model is to provide one kind to be suitable for water-cooled power
The cooling system of the hybrid electric vehicle of battery, the cooling system include High-temperature cooling system, medium temperature cooling system, sub-cooled
System and battery cooling system；Wherein, High-temperature cooling system uses a mechanical water pump and an electric water pump, mechanical water pump
Power source when being run for engine as coolant circulation, electric water pump are used to circulate as coolant when pure electric vehicle is run
Power source；Medium temperature cooling system uses the power source that an electric water pump is circulated as coolant；Low-temperature cooling system uses
The power source that one electric water pump is circulated as coolant.High temperature, medium temperature, low-temperature cooling system share a coolant bottle and are used for
Realize coolant compensation and return airway dysfunction.Battery cooling system is individually used for realization coolant compensation using a coolant bottle
And return airway dysfunction.
The utility model adopts the following technical solution realizes：
A kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery, including High-temperature cooling system, in
Warm cooling system, low-temperature cooling system and battery cooling system；
The High-temperature cooling system, including high temperature heat sink 16, mechanical water pump 1, engine 4, thermostat 5, machine oil are cold
But device 11, speed changer 7, first heat exchanger 12,3 and first electric water pump 8 of warm wind；The High-temperature cooling circuit of composition is：High temperature
Radiator 16 → mechanical water pump, 1 → engine, 4 → thermostat, 5 → first heat exchanger, 12 → oil cooler 11 → the first is electronic
8 → warm wind of water pump, 3 → high temperature heat sink 16；
The medium temperature cooling system, including middle temperature radiator 17, the second electric water pump 13, charge air cooler 2 and turbocharging
Device 10；The medium temperature cooling circuit of composition is：Middle 17 → the second 13 → charge air cooler of electric water pump 2 of temperature radiator and turbocharger 10
→ middle temperature radiator 17, wherein, charge air cooler 2 is in parallel with turbocharger 10；
The low-temperature cooling system, including low-temperature radiator 18, the 3rd electric water pump 15, electric machine controller 9 and motor
6；The coolant cooling circuit of composition is：Electric water pump 15 → electric machine controller, 9 → motor, the 6 → low temperature of low-temperature radiator 18 → the 3rd
Radiator 18；
The battery cooling system, including second heat exchanger 21, the 4th electric water pump 24, power battery 25, transformation
Device (direct current → direct current) 23, charger 22, the second coolant bottle 26, motor compressor 20 and condenser 19；The battery of composition is cold
But circuit is divided into battery the first circuit of cooling and battery cooling second servo loop；Battery cools down the first circuit：Second heat exchanger
21 → motor compressor, 20 → condenser, 19 → second heat exchanger 21；Battery cools down second servo loop：Second heat exchanger 21 →
4th 24 → power battery of electric water pump, 25 → transformer (direct current → direct current) 23 → charger, 22 → second heat exchanger 21；
Further, the low-temperature radiator 18 and middle temperature radiator 17 are arranged in the front of high temperature heat sink 16, pass through
It is bolted fixation.
Further, the High-temperature cooling system, medium temperature cooling system and low-temperature cooling system with the first coolant
The connection of tank 14 carries out coolant compensation and returns gas；First coolant bottle 14 is arranged at nacelle rear gutter channel, is passed through
Snap fit connection is fixed.
Further, the water inlet of the mechanical water pump 1, the second electric water pump 13 and the 3rd electric water pump 15 passes through pipe
Road is connected with the first coolant bottle 14, achievees the purpose that coolant compensates；The turbocharger 10, thermostat 5, warm wind 3
And electric machine controller 9 is connected by pipeline with the first coolant bottle 14, achievees the purpose that to return gas.
Further, the battery cooling system is connected progress coolant compensation with the second coolant bottle 26 and returns gas；
Second coolant bottle 26 is arranged in upper part of gear box, is connected and fixed by snap fit.
Compared with prior art, the utility model has the following advantages that：
1. the utility model, can be to avoid different cold by the way that the parts of different cooling requirements are divided into multiple cooling circuits
But the parts in circuit interact, and reach the optimization of heat exchange.
2. the battery cooling system in the utility model uses water cooling, it is ensured that power battery is in its best effort temperature
Scope is spent, lifts battery efficiency.
3. the battery cooling system in the utility model uses compressor and condenser as heat exchange instrument, can be faster
Cooling battery.
4. sharing coolant bottle using multiple cooling circuits in the utility model, system cost can be reduced and reduce system
Complexity.
Brief description of the drawings
Fig. 1 is the of the cooling system of a kind of hybrid electric vehicle suitable for water-cooled power battery of the utility model
One system principle structure chart；
Fig. 2 is the of the cooling system of a kind of hybrid electric vehicle suitable for water-cooled power battery of the utility model
Two system principle assumption diagram；
In figure：Mechanical water pump 1, charge air cooler 2, warm wind 3, engine 4, thermostat 5, motor 6, speed changer 7, the first electric water
Pump 8, electric machine controller 9, turbocharger 10, oil cooler 11, first heat exchanger 12, the second electric water pump 13, first
Coolant bottle 14, the 3rd electric water pump 15, high temperature heat sink 16, middle temperature radiator 17, low-temperature radiator 18, condenser 19, electricity
Dynamic compressor 20, second heat exchanger 21, charger 22, the 23, the 4th electric water pump 24 of transformer (direct current → direct current), power electric
Pond 25, the second coolant bottle 26.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, a kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery, including high temperature are cold
But system, medium temperature cooling system, low-temperature cooling system and battery cooling system；
The High-temperature cooling system, including high temperature heat sink 16, mechanical water pump 1, engine 4, thermostat 5, machine oil are cold
But device 11, speed changer 7, first heat exchanger 12,3 and first electric water pump 8 of warm wind；The High-temperature cooling circuit of composition is：High temperature
Radiator 16 → mechanical water pump, 1 → engine, 4 → thermostat, 5 → first heat exchanger, 12 → oil cooler 11 → the first is electronic
8 → warm wind of water pump, 3 → high temperature heat sink 16；
The medium temperature cooling system, including middle temperature radiator 17, the second electric water pump 13, charge air cooler 2 and turbocharging
Device 10；The medium temperature cooling circuit of composition is：Middle 17 → the second 13 → charge air cooler of electric water pump 2 of temperature radiator and turbocharger 10
→ middle temperature radiator 17, wherein, charge air cooler 2 is in parallel with turbocharger 10；
The low-temperature cooling system, including low-temperature radiator 18, the 3rd electric water pump 15, electric machine controller 9 and motor
6；The coolant cooling circuit of composition is：Electric water pump 15 → electric machine controller, 9 → motor, the 6 → low temperature of low-temperature radiator 18 → the 3rd
Radiator 18；
The battery cooling system, including second heat exchanger 21, the 4th electric water pump 24, power battery 25, transformation
Device (direct current → direct current) 23, charger 22, the second coolant bottle 26, motor compressor 20 and condenser 19；The battery of composition is cold
But circuit is divided into battery the first circuit of cooling and battery cooling second servo loop；Battery cools down the first circuit：Second heat exchanger
21 → motor compressor, 20 → condenser, 19 → second heat exchanger 21；Battery cools down second servo loop：Second heat exchanger 21 →
4th 24 → power battery of electric water pump, 25 → transformer (direct current → direct current) 23 → charger, 22 → second heat exchanger 21；
Further, the low-temperature radiator 18 and middle temperature radiator 17 are arranged in the front of high temperature heat sink 16, pass through
It is bolted fixation.
Further, the High-temperature cooling system, medium temperature cooling system and low-temperature cooling system with the first coolant
The connection of tank 14 carries out coolant compensation and returns gas；First coolant bottle 14 is arranged at nacelle rear gutter channel, is passed through
Snap fit connection is fixed.
Further, the water inlet of the mechanical water pump 1, the second electric water pump 13 and the 3rd electric water pump 15 passes through pipe
Road is connected with the first coolant bottle 14, achievees the purpose that coolant compensates；The turbocharger 10, thermostat 5, warm wind 3
And electric machine controller 9 is connected by pipeline with the first coolant bottle 14, achievees the purpose that to return gas.
Further, the battery cooling system is connected progress coolant compensation with the second coolant bottle 26 and returns gas；
Second coolant bottle 26 is arranged in upper part of gear box, is connected and fixed by snap fit.
Electric water pump and mechanical water pump are cold for driving as the power source in each cooling system in the utility model
But liquid circulates in this cooling system, takes away the heat of heat generating components, and by thermal components such as radiator, condensers by heat
It is dispersed into air, for ensureing that each heat generating components is within the temperature range of its requirement.
Claims (5)
1. the cooling system of a kind of hybrid electric vehicle suitable for water-cooled power battery, it is characterised in that cold including high temperature
But system, medium temperature cooling system, low-temperature cooling system and battery cooling system；
The High-temperature cooling system, including high temperature heat sink (16), mechanical water pump (1), engine (4), thermostat (5), machine
Oil cooler (11), speed changer (7), first heat exchanger (12), warm wind (3) and the first electric water pump (8)；The high temperature of composition is cold
But circuit is：High temperature heat sink (16) → mechanical water pump (1) → engine (4) → thermostat (5) → first heat exchanger (12)
→ oil cooler (11) → first electric water pump (8) → warm wind (3) → high temperature heat sink (16)；
The medium temperature cooling system, including middle temperature radiator (17), the second electric water pump (13), charge air cooler (2) and turbine increase
Depressor (10)；The medium temperature cooling circuit of composition is：Middle temperature radiator (17) → second electric water pump (13) → charge air cooler (2) and whirlpool
Booster (10) → middle temperature radiator (17) is taken turns, wherein, charge air cooler (2) is in parallel with turbocharger (10)；
The low-temperature cooling system, including low-temperature radiator (18), the 3rd electric water pump (15), electric machine controller (9) and electricity
Machine (6)；The coolant cooling circuit of composition is：Low-temperature radiator (18) → the 3rd electric water pump (15) → electric machine controller (9) →
Motor (6) → low-temperature radiator (18)；
The battery cooling system, including second heat exchanger (21), the 4th electric water pump (24), power battery (25), change
Depressor (direct current → direct current) (23), charger (22), the second coolant bottle (26), motor compressor (20) and condenser (19)；
The battery cooling circuit of composition is divided into battery and cools down the first circuit and battery cooling second servo loop；Battery cools down the first circuit：
Second heat exchanger (21) → motor compressor (20) → condenser (19) → second heat exchanger (21)；Battery cools down second time
Road：Second heat exchanger (21) → the 4th electric water pump (24) → power battery (25) → transformer (direct current → direct current) (23) →
Charger (22) → second heat exchanger (21).
2. a kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery as claimed in claim 1, it is special
Sign is that the low-temperature radiator (18) and middle temperature radiator (17) are arranged in front of high temperature heat sink (16), pass through bolt
Connection is fixed.
3. a kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery as claimed in claim 1, it is special
Sign is that the High-temperature cooling system, medium temperature cooling system and low-temperature cooling system are connected with the first coolant bottle (14)
Carry out coolant compensation and return gas；First coolant bottle (14) is arranged at nacelle rear gutter channel, by clamping side
Formula connection is fixed.
4. a kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery as claimed in claim 1, it is special
Sign is, the water inlet of the mechanical water pump (1), the second electric water pump (13) and the 3rd electric water pump (15) by pipeline with
First coolant bottle (14) connects, and achievees the purpose that coolant compensates；The turbocharger (10), thermostat (5), warm wind
(3) and electric machine controller (9) is connected by pipeline with the first coolant bottle (14), achievees the purpose that to return gas.
5. a kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery as claimed in claim 1, it is special
Sign is that the battery cooling system is connected progress coolant compensation with the second coolant bottle (26) and returns gas；Described
Two coolant bottles (26) are arranged in upper part of gear box, are connected and fixed by snap fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286298.2U CN207328123U (en) | 2017-10-09 | 2017-10-09 | A kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721286298.2U CN207328123U (en) | 2017-10-09 | 2017-10-09 | A kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207328123U true CN207328123U (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721286298.2U Active CN207328123U (en) | 2017-10-09 | 2017-10-09 | A kind of cooling system of hybrid electric vehicle suitable for water-cooled power battery |
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| CN (1) | CN207328123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113022365A (en) * | 2019-12-23 | 2021-06-25 | 北京新能源汽车股份有限公司 | Cooling circuit for liquid cooling battery replacement |
| CN115056628A (en) * | 2022-06-30 | 2022-09-16 | 中国第一汽车股份有限公司 | Novel hybrid vehicle type thermal management system and vehicle |
-
2017
- 2017-10-09 CN CN201721286298.2U patent/CN207328123U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113022365A (en) * | 2019-12-23 | 2021-06-25 | 北京新能源汽车股份有限公司 | Cooling circuit for liquid cooling battery replacement |
| CN113022365B (en) * | 2019-12-23 | 2022-10-21 | 北京新能源汽车股份有限公司 | Cooling circuit for liquid cooling battery replacement |
| CN115056628A (en) * | 2022-06-30 | 2022-09-16 | 中国第一汽车股份有限公司 | Novel hybrid vehicle type thermal management system and vehicle |
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