CN110273746A - A kind of parallel cooling system for vehicle and its operation method - Google Patents
A kind of parallel cooling system for vehicle and its operation method Download PDFInfo
- Publication number
- CN110273746A CN110273746A CN201910355897.2A CN201910355897A CN110273746A CN 110273746 A CN110273746 A CN 110273746A CN 201910355897 A CN201910355897 A CN 201910355897A CN 110273746 A CN110273746 A CN 110273746A
- Authority
- CN
- China
- Prior art keywords
- engine
- cooling
- gearbox
- parallel
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 239000002826 coolant Substances 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 34
- 239000002918 waste heat Substances 0.000 claims description 4
- 230000000306 recurrent effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000031774 hair cycle Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- 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
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- 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
-
- 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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
-
- 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
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
Abstract
The present invention relates to automotive thermal tube reason technical field more particularly to a kind of parallel cooling system for vehicle and its operation method.Including engine, high temperature heat sink, low-temperature radiator, gearbox cooler and gearbox or electric elements, the gearbox cooler is provided with circulating cooling water pipe, and the circulating cooling water pipe is arranged in gearbox or electric elements；Cycle of engine radiation water channel is provided in the engine, cycle of engine radiation water channel two sides by being provided with branch pipe, are parallel with high temperature heat sink and low-temperature radiator between two branch pipes respectively；It is provided with One In and Two Out formula electric control water valve on the low-temperature radiator and the branch pipe of cycle of engine radiation water channel connectivity part, the One In and Two Out formula electric control water valve is connected to gearbox cooler, and the gearbox cooler is connected to cycle of engine radiation water channel.High/low temperature designs electric control water valve between water route, and engine and gearbox or electric elements temperature are realized optimum allocation in conjunction with thermostat.
Description
Technical field
The present invention relates to automotive thermal tube reason technical field more particularly to a kind of parallel cooling system for vehicle and its operation sides
Method.
Background technique
It is more and more using the automobile of automatic gear-box with current car steering intellectually and automatically development trend,
And requirement of the automatic gear-box to operating temperature is very high, if water intaking is unable to satisfy gear box oil cooling requirement from engine, if
Meter one can satisfy thermal management requirements and lower-cost cooling system necessitates.Furthermore with energy technology gradually at
Ripe, the exploitation of the promotion of national policy, the new-energy automobiles such as plug-in hybrid is just fast-developing, to adapt to new energy vehicle
The cooling requirement that new heat management requires and becomes increasingly complex, current overwhelming majority vehicle, engine cool and motor are cooling equal
Using independent two sets of cooling systems, two systems then mean cost, weight, the immense pressure of management, how to design a set of
Meeting the cooling system that performance requirement meets and low cost requires is a necessary research.
Conventional fuel oil car engine highest water temperature generally requires within 105 DEG C~115 DEG C, by radiator it is cooling with
Afterwards, motor inlet water temperature is usually at 95 DEG C~105 DEG C, this also means that entire engine interior, minimum water temperature is at 95 DEG C
~105 DEG C or more, and when gearbox (or electric elements etc.) inlet water temperature is required lower than 95 DEG C, directly fetch water from engine
Then it is unable to satisfy gearbox cooling requirements.If an individually designed gearbox cooling circuit, faces very big cost pressure
Power, " a kind of operation method of parallel cooling system for vehicle " of the invention can effectively solve problem above.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapt to reality and need, and provide a kind of parallel automobile-used cold
But system and its operation method.
In order to achieve the object of the present invention, the technical solution adopted by the present invention are as follows: a kind of parallel cooling system for vehicle, packet
Include engine 2, high temperature heat sink 3, low-temperature radiator 4, gearbox cooler 6 and gearbox or electric elements 8, the speed change
Case cooler 6 is provided with circulating cooling water pipe, and the circulating cooling water pipe is arranged in gearbox or electric elements 8；The hair
Cycle of engine radiation water channel is provided in motivation 2, cycle of engine radiation water channel two sides respectively by being provided with branch pipe,
High temperature heat sink 3 and low-temperature radiator 4 are parallel between two branch pipes；The low-temperature radiator 4 and cycle of engine radiation water channel
One In and Two Out formula electric control water valve 5, the One In and Two Out formula electric control water valve 5 and gearbox cooler are provided on the branch pipe of connectivity part
6 connections, the gearbox cooler 6 are connected to cycle of engine radiation water channel.
Water pump 1 is provided in the cycle of engine radiation water channel, the gearbox cooler 6 is connected to water pump.
1 side of water pump is connected with thermostat 7, and the water pump 1 is arranged at thermostat 7 is parallel with high temperature heat sink
3 and low-temperature radiator 4 branch pipe on.
The method of the high/low temperature parallel operation are as follows: when engine and gearbox are both needed to cooling, coolant liquid is from water
Hair is pumped out, via engine interior, high temperature heat sink and low-temperature radiator is respectively enterd by cooling water pipe, radiated via high temperature
Device coolant liquid outflow radiator after cooling returns to engine water pump via thermostat；Via low-temperature radiator cooling after cooling
Liquid stream goes out radiator and reaches One In and Two Out formula electric control water valve, and One In and Two Out formula electric control water valve flows to speed change according to cooling requirement control
[part coolant liquid is parallel to high temperature heat sink outlet and returns to hair via thermostat the coolant rate of case cooler or electric elements
Motivation water pump, part coolant liquid flow to gearbox cooler (or electric elements)], eventually pass back to engine water pump, two branches
It is formed in parallel.It realizes that heat shares rapid warming-up simultaneously, realizes that mutual waste heat most rationally utilizes.
The method that the engine independently cools down are as follows: (this when only engine needs cooling gearbox without cooling
When One In and Two Out formula electric control water valve control coolant liquid as shown in Figure 2 and only flow to engine thermostat).Coolant liquid from water pump,
Via engine interior, high temperature heat sink and low-temperature radiator are respectively enterd by cooling water pipe, it is cooling via high temperature heat sink
Coolant liquid afterwards returns to engine water pump by thermostat；It is reached via low-temperature radiator coolant liquid outflow radiator after cooling
One In and Two Out formula electric control water valve is parallel to high temperature heat sink outlet via thermostat by One In and Two Out formula electric control water valve coolant liquid
Return to engine water pump.
The method that the automatic gear-box or electric elements independently cool down are as follows: when only cooling gearbox or electric control element need
When cooling engine is without cooling (closed state at thermostat at this time).Coolant liquid is led to from water pump via engine interior
Supercooling water pipe enters low-temperature radiator, reaches One In and Two Out formula via low-temperature radiator coolant liquid outflow radiator after cooling
Electric control water valve eventually passes back to engine water via gearbox cooler or electric elements are reached after One In and Two Out formula electric control water valve
Pump, forming circuit circulation.
The method of the engine interior circulation are as follows: when engine and gearbox or electric elements do not need cooling,
Thermostat is in close state at this time, and One In and Two Out formula electric control water valve is in Fig. 2 state, and entire water route outer circulation is obstructed, is started
Machine cooling water is in internal recurrent state, guarantees rapid warming-up.
The beneficial effects of the present invention are:
1) a kind of parallel cooling system for vehicle, rationally utilizes front-end module Flow and heat flux difference, and High-temperature cooling returns
Road is in parallel with coolant cooling circuit, shares a water pump and achievees the purpose that reduce integral vehicle cost, while realizing that heat is shared and realizing
The purpose that mutual waste heat most rationally utilizes.
2) a kind of parallel cooling system for vehicle, high/low temperature design electric control water valve between water route, will start in conjunction with thermostat
Machine and gearbox or electric elements temperature realize optimum allocation.
Detailed description of the invention
The present invention is described further with case study on implementation with reference to the accompanying drawing.
Fig. 1 is present system structure chart and parallel operation schematic diagram；
Fig. 2 is inventive engine independence cooling circuit principle；
Fig. 3 is gearbox of the present invention (or electric elements) independent cooling circuit principle；
Fig. 4 is cycle operation principle in inventive engine.
In figure, 1 water pump, 2 engines, 3 high temperature heat sinks, 4 low-temperature radiators, 5 One In and Two Out formula electric control water valves, 6 speed changes
Case cooler or electric elements, 7 thermostats, 8 gearboxes.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Referring to Fig. 1-4.
The invention discloses a kind of parallel cooling system for vehicle, including engine 2, high temperature heat sink 3, low-temperature radiator
4, gearbox cooler 6 and gearbox or electric elements 8, the gearbox cooler 6 is provided with circulating cooling water pipe, described
Circulating cooling water pipe is arranged in gearbox or electric elements 8；It is provided with cycle of engine radiation water channel in the engine 2,
Cycle of engine radiation water channel two sides are parallel with high temperature heat sink 3 and low respectively by being provided with branch pipe between two branch pipes
Temperature radiator 4；One In and Two Out formula electricity is provided on the low-temperature radiator 4 and the branch pipe of cycle of engine radiation water channel connectivity part
Water control valve 5, the One In and Two Out formula electric control water valve 5 are connected to gearbox cooler 6, the gearbox cooler 6 and engine
The connection of circulation cooling water channel.
Water pump 1 is provided in the cycle of engine radiation water channel, the gearbox cooler 6 is connected to water pump.
1 side of water pump is connected with thermostat 7, and the water pump 1 is arranged at thermostat 7 is parallel with high temperature heat sink
3 and low-temperature radiator 4 branch pipe on.
Engine 2 is arrived to high temperature heat sink 3 and low-temperature radiator 4, high temperature heat sink 3 to thermostat 7, low-temperature radiator 4
Electric control water valve 5, electric control water valve 5 to gearbox cooler or electric elements 6, gearbox cooler or electric elements 6 arrive engine 2
Between be all made of rubber hose connection, anti-icing fluid is transmitted by rubber hose.
As shown in Figure 1, coolant liquid is from water pump 1, via engine 2 when engine 2 and gearbox 8 are both needed to cooling
Inside respectively enters high temperature heat sink 3 and low-temperature radiator 4 by cooling water pipe, via the cooling after cooling of high temperature heat sink 3
Liquid stream goes out radiator and returns to engine water pump 1 via thermostat 7；It flows out and radiates via the coolant liquid after cooling of low-temperature radiator 4
Device reaches One In and Two Out formula electric control water valve 5, and One In and Two Out formula electric control water valve 5 flows to gearbox cooler according to cooling requirement control
[part coolant liquid is parallel to the outlet of high temperature heat sink 3 and returns to via thermostat 7 starts the coolant rate of (or electric elements) 6
Machine water pump 1, part coolant liquid flow to gearbox cooler (or electric elements) 6], eventually pass back to engine water pump 1, two branches
It is formed in parallel.It realizes that heat shares rapid warming-up simultaneously, realizes that mutual waste heat most rationally utilizes.
2) engine is independently cooling
As shown in Fig. 2, (the One In and Two Out formula electric control water valve at this time when only engine 2 needs cooling gearbox 8 without cooling
Control coolant liquid only flows to engine thermostat as shown in Figure 2).Coolant liquid passes through inside engine 2 from water pump 1
Cooling water pipe respectively enters high temperature heat sink 3 and low-temperature radiator 4, passes through section via the coolant liquid after cooling of high temperature heat sink 3
Warm device 7 returns to engine water pump 1；One In and Two Out formula electricity is reached via the coolant liquid after cooling of low-temperature radiator 4 outflow radiator
Water control valve 5 is parallel to high temperature heat sink (3) outlet by One In and Two Out formula electric control water valve coolant liquid and returns to via thermostat (7)
Engine water pump 1.
3) automatic gear-box (or electric elements) is independently cooling
As shown in figure 3, (this time temperature when only cooling down gearbox 8 or electric control element needs cooling engine without cooling
Closed state at device 7).Coolant liquid is from water pump 1, inside engine 2, enters low-temperature radiator 4 by cooling water pipe,
One In and Two Out formula electric control water valve (5) are reached via the coolant liquid after cooling of low-temperature radiator 4 outflow radiator, via One In and Two Out
Gearbox cooler (or electric elements) 6 are reached after formula electric control water valve 5, eventually pass back to engine water pump 1, forming circuit circulation.
4) engine interior recycles
As shown in figure 4, thermostat 7 is at this time when engine 2 and gearbox 8 or electric elements do not need cooling
Closed state, One In and Two Out formula electric control water valve 5 are in Fig. 2 state, and entire water route outer circulation is obstructed, and engine cooling water is in interior
Portion's recurrent state guarantees rapid warming-up.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, are similarly included in
In scope of patent protection of the invention.
Claims (8)
1. a kind of parallel cooling system for vehicle, which is characterized in that including engine (2), high temperature heat sink (3), low temperature radiation
Device (4), gearbox cooler (6) and gearbox or electric elements (8), it is cold that the gearbox cooler (6) is provided with circulation
But water pipe, the circulating cooling water pipe setting is in gearbox or electric elements (8)；It is provided with and starts in the engine (2)
Machine circulation cooling water channel, cycle of engine radiation water channel two sides by being provided with branch pipe, are parallel between two branch pipes respectively
High temperature heat sink (3) and low-temperature radiator (4)；The branch of the low-temperature radiator (4) and cycle of engine radiation water channel connectivity part
One In and Two Out formula electric control water valve (5) is provided on pipe, the One In and Two Out formula electric control water valve (5) and gearbox cooler (6) are even
Logical, the gearbox cooler (6) is connected to cycle of engine radiation water channel.
2. a kind of parallel cooling system for vehicle according to claim 1, which is characterized in that the cycle of engine heat dissipation
It is provided in water channel water pump (1), the gearbox cooler (6) is connected to water pump.
3. a kind of parallel cooling system for vehicle according to claim 1, which is characterized in that water pump (1) side connects
It is connected to thermostat (7), the water pump (1) and thermostat (7) are arranged at and are parallel with high temperature heat sink (3) and low-temperature radiator
(4) on branch pipe.
4. a kind of operation method of parallel cooling system for vehicle according to claim 1, it is characterised in that: the operation
Method includes several situations: high/low temperature parallel operation, the cooling of engine independence, gearbox or electric elements (8) are independent cold
But and engine interior recycles.
5. a kind of operation method of parallel cooling system for vehicle according to claim 4, it is characterised in that: described
The method of high/low temperature parallel operation are as follows: when engine (2) and gearbox (8) are both needed to cooling, coolant liquid from water pump (1),
It is internal via engine (2), high temperature heat sink (3) and low-temperature radiator (4) are respectively enterd by cooling water pipe, are dissipated via high temperature
Hot device (3) coolant liquid outflow radiator after cooling returns to engine water pump (1) via thermostat (7)；Via low-temperature radiator
(4) coolant liquid outflow radiator after cooling reaches One In and Two Out formula electric control water valve (5), One In and Two Out formula electric control water valve (5) root
The coolant rate of gearbox cooler or electric elements (6) is flowed to according to cooling requirement control, part coolant liquid is parallel to high temperature
Radiator (3) outlet returns to engine water pump (1) via thermostat (7), and part coolant liquid flows to gearbox cooler or electric appliance
Element) (6), it eventually passes back to engine water pump (1), two branches form parallel connection.It realizes that heat shares rapid warming-up simultaneously, realizes
Mutual waste heat most rationally utilizes.
6. a kind of operation method of parallel cooling system for vehicle according to claim 4, it is characterised in that: described
The method that engine independently cools down are as follows: when only engine (2) needs cooling gearbox (8) without cooling；Coolant liquid is from water pump
(1) it sets out, it is internal via engine (2), high temperature heat sink (3) and low-temperature radiator (4) are respectively enterd by cooling water pipe, are passed through
Engine water pump (1) is returned to by thermostat (7) by high temperature heat sink (3) coolant liquid after cooling；Via low-temperature radiator (4)
Coolant liquid outflow radiator after cooling reaches One In and Two Out formula electric control water valve (5), cooling by One In and Two Out formula electric control water valve
Liquid is parallel to high temperature heat sink (3) outlet and returns to engine water pump (1) via thermostat (7).
7. a kind of operation method of parallel cooling system for vehicle according to claim 4, it is characterised in that: described automatic
The method that gearbox or electric elements independently cool down are as follows: when only cool down gearbox (8) or electric control element need cooling engine without
When need to cool down, closed state at thermostat (7) at this time.Coolant liquid is from water pump (1), via engine (2) inside, by cold
But water pipe enters low-temperature radiator (4), reaches One In and Two Out via low-temperature radiator (4) coolant liquid outflow radiator after cooling
Formula electric control water valve (5) reaches gearbox cooler or electric elements (6) via One In and Two Out formula electric control water valve (5) afterwards, finally returns
To engine water pump (1), forming circuit circulation.
8. a kind of operation method of parallel cooling system for vehicle according to claim 4, it is characterised in that: described to start
The method recycled inside machine are as follows: when engine (2) and gearbox (8) or electric elements do not need cooling, thermostat at this time
(7) it is in close state, entire water route outer circulation is obstructed, and engine cooling water is in internal recurrent state, guarantees rapid warming-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355897.2A CN110273746B (en) | 2019-04-29 | 2019-04-29 | Parallel type cooling system for vehicle and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355897.2A CN110273746B (en) | 2019-04-29 | 2019-04-29 | Parallel type cooling system for vehicle and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110273746A true CN110273746A (en) | 2019-09-24 |
| CN110273746B CN110273746B (en) | 2024-02-02 |
Family
ID=67960274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910355897.2A Active CN110273746B (en) | 2019-04-29 | 2019-04-29 | Parallel type cooling system for vehicle and operation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858916A (en) * | 2021-10-20 | 2021-12-31 | 重庆金康赛力斯新能源汽车设计院有限公司 | Thermal management system and vehicle |
| CN113931729A (en) * | 2021-09-30 | 2022-01-14 | 东风商用车有限公司 | Heat-dissipating capacity-variable radiator for vehicle, heat-dissipating system and use method of heat-dissipating capacity-variable radiator |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110273746B (en) | 2024-02-02 |
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