CN208734404U - Hybrid electric vehicle crankcase ventilation ice protection system - Google Patents
Hybrid electric vehicle crankcase ventilation ice protection system Download PDFInfo
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- CN208734404U CN208734404U CN201821230289.6U CN201821230289U CN208734404U CN 208734404 U CN208734404 U CN 208734404U CN 201821230289 U CN201821230289 U CN 201821230289U CN 208734404 U CN208734404 U CN 208734404U
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- respiratory siphon
- air
- crankcase ventilation
- valve
- piping connection
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Abstract
The utility model hybrid electric vehicle crankcase ventilation ice protection system, crankcase ventilation system include air inlet pipe, inlet manifold and associated pipe after gs-oil separator, full load respiratory siphon, sub-load respiratory siphon, air filter；Air-conditioning system includes compressor, condenser, expansion valve, electric expansion valve, evaporator, the first, second switch valve, heat exchanger and associated pipe；Electromotor cooling system includes heat exchanger, radiator, electric machine controller, Electric drive module, water pump, three-way valve and associated pipe.When ambient temperature is lower, first switch valve is opened, and the refrigerant of high temperature passes through at full load and the easily icing of sub-load respiratory siphon, and high-temperature gas transfers heat to cryogenic gas in respiratory siphon, prevents respiratory siphon from freezing.Gaseous refrigerant temperature after full load and sub-load respiratory siphon reduces, and pressure reduction mutually becomes liquid after electric expansion valve, mutually becomes gas after the heat in electromotor cooling system is absorbed in heat exchanger, goes successively to compressor and recycled.
Description
Technical field
The utility model relates to hybrid electric vehicle crankcase ventilation technical fields, bent more particularly to a kind of hybrid electric vehicle
Crankcase ventilation ice protection system.
Background technique
In hybrid electric vehicle engine operation, the exhaust gas of combustion chamber can be leaked to the song of lower part by piston clearance
In axle box, as the gas for leaking into crankcase increases, crankcase pressure increases, and brings adverse effect for crankcase seals,
Therefore crankcase ventilation system becomes an indispensable system of Modern Internal-Combustion Engine.Exhaust gas in crankcase contains vapor etc.
Various gases are very easy to tie at air inlet pipe and inlet manifold in low temperature environment by the gas of crankcase ventilation system
Ice causes the blocking of crankcase ventilation pipeline, influences engine operational stability and reliability after icing is built up.
For crankcase ventilation system air inlet pipe freeze, legacy hosts factory solution are as follows: 1, crankcase ventilation system into
Increase electric heater unit at tracheae, in operational process, energy consumption is larger；2, increase liquid-collecting box, liquid-collecting box volume is larger, arrangement
Difficulty, the liquid and ice cube of storage can not be discharged in time, and there are still risk of icing after liquid is full of.
Utility model content
The utility model is in view of the problems of the existing technology and insufficient, provides a kind of novel hybrid electric vehicle crankcase
Ventilation ice protection system is drawn all the way from air-conditioning compressor outlet, and the refrigerant gas of high temperature is in full load respiratory siphon, portion
Divide at the easily icing of load respiratory siphon and realizes and exchange heat by the cryogenic gas of gs-oil separator, the gas in heating respiratory siphon,
In low temperature environment, prevent crankcase ventilation system from freezing.
The utility model is to solve above-mentioned technical problem by following technical proposals:
The utility model provides a kind of hybrid electric vehicle crankcase ventilation ice protection system, it is characterized in that comprising it is bent
Ventilation system for shaft box, air-conditioning system and electromotor cooling system；
The crankcase ventilation system includes: air inlet pipe, sub-load after gs-oil separator, full load respiratory siphon, air filter
Respiratory siphon and inlet manifold, the gs-oil separator respectively with full load respiratory siphon and sub-load respiratory siphon piping connection, institute
State full load respiratory siphon and air inlet pipe piping connection, the sub-load respiratory siphon and inlet manifold piping connection after air filter；
The air-conditioning system includes: compressor, condenser, expansion valve, electric expansion valve, evaporator, first switch valve,
Two switch valves and heat exchanger, successively piping connection is constituted for the compressor, second switch valve, condenser, expansion valve and evaporator
First circulation circuit, the compressor, sub-load respiratory siphon, full load respiratory siphon, electric expansion valve, change first switch valve
Successively piping connection constitutes second circulation circuit to hot device；
The electromotor cooling system includes: heat exchanger, radiator, electric machine controller, Electric drive module, water pump and three-dimensional
Valve, successively piping connection is constituted first time A-B mouth, radiator, electric machine controller, Electric drive module and the water pump of the three-way valve
Road, successively piping connection is constituted second time A-C mouth, heat exchanger, electric machine controller, Electric drive module and the water pump of the three-way valve
Road.
Preferably, the crankcase ventilation system further includes air filter, air inlet pipe and air filter piping connection after the air filter.
Preferably, the crankcase ventilation system further includes booster, intercooler and air throttle, air inlet after the air filter
Pipe, booster, intercooler, air throttle and inlet manifold piping connection.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get the utility model respectively compared with
Good example.
The positive effect of the utility model is:
In the system, it when outside air temperature is lower, can be opened by first switch valve, make the higher refrigerant of temperature
Heating can prevent crankcase ventilation system respiratory siphon knot by the lower gas of temperature in sub-load and full load respiratory siphon
Ice, meanwhile, play the cooling effect to electric system.
Detailed description of the invention
Fig. 1 is the schematic diagram of the hybrid electric vehicle crankcase ventilation ice protection system of the utility model preferred embodiment.
Fig. 2 is schematic diagram at the respiratory siphon easily icing of the utility model preferred embodiment.
Wherein, 1- crankcase 2- cylinder body 3- cylinder cap 4- camshaft the cover 5- gs-oil separator 6- full load respiratory siphon
Air inlet pipe 10- booster 11- intercooler 12- air throttle 13- air inlet after 7- sub-load respiratory siphon 8- air filter 9- air filter
Manifold 14- compressor 15- condenser 16- expansion valve 17- electric expansion valve 18- evaporator 19- switch valve 20- switch
Valve 21- heat exchanger 22- radiator 23- electric machine controller 24- Electric drive module 25- water pump 26- three-way valve 27- is easily tied
At ice
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's every other embodiment obtained without making creative work, all belongs to
In the range of the utility model protection.
As illustrated in fig. 1 and 2, the present embodiment provides a kind of hybrid electric vehicle crankcase ventilation ice protection systems comprising bent
Ventilation system for shaft box, air-conditioning system and electromotor cooling system.
The crankcase ventilation system include: air inlet pipe 9 after gs-oil separator 5, full load respiratory siphon 6, air filter 8, air filter,
Sub-load respiratory siphon 7, inlet manifold 13, booster 10, intercooler 11 and air throttle 12, the gs-oil separator 5 respectively with
7 piping connection of full load respiratory siphon 6 and sub-load respiratory siphon, the full load respiratory siphon 6 connect with 9 pipeline of air inlet pipe after air filter
It connects, 13 piping connection of the sub-load respiratory siphon 7 and inlet manifold, the sub-load respiratory siphon 7 and full load respiratory siphon 6
Piping connection, air inlet pipe 9 and 8 piping connection of air filter after the air filter, air inlet pipe 9, booster 10, intercooler after the air filter
11, air throttle 12 and 13 piping connection of inlet manifold.
The air-conditioning system includes: compressor 14, condenser 15, expansion valve 16, electric expansion valve 17, evaporator 18,
One switch valve 19, second switch valve 20 and heat exchanger 21, the compressor 14, second switch valve 20, condenser 15, expansion valve 16
Successively piping connection constitutes first circulation circuit, the compressor 14, first switch valve 19, sub-load breathing with evaporator 18
Successively piping connection constitutes second circulation circuit for pipe 7, full load respiratory siphon 6, electric expansion valve 17, heat exchanger 21.
The electromotor cooling system includes: heat exchanger 21, radiator 22, electric machine controller 23, Electric drive module 24, water pump
25 and three-way valve 26, A-B mouth, radiator 22, electric machine controller 23, Electric drive module 24 and the water pump 25 of the three-way valve 26 according to
Secondary piping connection constitutes the first circuit, the A-C mouth of the three-way valve 26, heat exchanger 21, electric machine controller 23, Electric drive module 24
Successively piping connection constitutes second servo loop with water pump 25.
By the open and close of switch valve 19, switch valve 20, following two operating condition is realized:
Operating condition 1: respiratory siphon heating, air-conditioning demisting, electric system are cooling:
Switch valve 19 open, switch valve 20 open, from compressor 14 export gas refrigerant a-road-through cross condenser 15,
Expansion valve 16, evaporator 18, wind cool down by evaporator 18, by air-conditioning box air duct, carry out demisting；Pass through sub-load all the way
Respiratory siphon 7, full load respiratory siphon 6, electric expansion valve 17, heat exchanger 21, into 14 import of compressor.In sub-load respiratory siphon
7, the heating to cryogenic gas in respiratory siphon is realized in full load respiratory siphon 6, at this point, in electromotor cooling system, the B of three-way valve 26
Mouthful close, A-C mouthful communicate, coolant liquid flow to are as follows: water pump 25, Electric drive module 24, electric machine controller 23, heat exchanger 21, three-dimensional
The A-C mouth of valve 26.Electromotor cooling system realizes heat dissipation in heat exchanger 21.
Operating condition 2: respiratory siphon heating, electric system are cooling:
Switch valve 19 is opened, switch valve 20 is closed, and is exhaled from the gas refrigerant of the outlet of compressor 14 by sub-load
Suction pipe 7, full load respiratory siphon 6, electric expansion valve 17, heat exchanger 21, into the import of compressor 14.In sub-load respiratory siphon
7, the heating to cryogenic gas in respiratory siphon is realized in full load respiratory siphon 6, at this point, in electromotor cooling system, the B of three-way valve 26
Mouthful close, A-C mouthful communicate, coolant liquid flow to are as follows: water pump 25, Electric drive module 24, electric machine controller 23, heat exchanger 21, three-dimensional
The A-C mouth of valve 26.Electromotor cooling system realizes heat dissipation in heat exchanger 21.
Operating condition 3: air conditioner refrigerating, electric system are cooling:
Switch valve 19 is closed, switch valve 20 is opened, and the gas refrigerant exported from compressor 14 passes through condenser 15, expansion
Valve 16, evaporator 18, wind cool down by evaporator 18, realize air conditioner refrigerating effect.In electromotor cooling system, the C of three-way valve 26
Mouthful close, A-B mouthful communicate, coolant liquid flow to are as follows: water pump 25, Electric drive module 24, electric machine controller 23, radiator 22, three-dimensional
The A-B mouth of valve 26.Electromotor cooling system realizes heat dissipation in radiator 22.
Operating condition 4: electric system is cooling:
Switch valve 19 is closed, switch valve 20 is closed.In electromotor cooling system, the C mouth of three-way valve 26 is closed, A-B mouthfuls communicate,
Coolant liquid flow direction are as follows: water pump 25, Electric drive module 24, electric machine controller 23, radiator 22, three-way valve 26 A-B mouth.Motor is cold
But system realizes heat dissipation in radiator 22.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence
Change, but these change and modification each fall within the protection scope of the utility model.
Claims (3)
1. a kind of hybrid electric vehicle crankcase ventilation ice protection system, which is characterized in that it includes crankcase ventilation system, air-conditioning
System and electromotor cooling system；
The crankcase ventilation system includes: air inlet pipe, sub-load breathing after gs-oil separator, full load respiratory siphon, air filter
Pipe and inlet manifold, the gs-oil separator are described complete respectively with full load respiratory siphon and sub-load respiratory siphon piping connection
Air inlet pipe piping connection, the sub-load respiratory siphon and inlet manifold piping connection after load respiratory siphon and air filter；
The air-conditioning system includes: compressor, condenser, expansion valve, electric expansion valve, evaporator, first switch valve, second opens
Valve and heat exchanger are closed, successively piping connection constitutes first for the compressor, second switch valve, condenser, expansion valve and evaporator
Circulation loop, the compressor, first switch valve, sub-load respiratory siphon, full load respiratory siphon, electric expansion valve, heat exchanger
Successively piping connection constitutes second circulation circuit；
The electromotor cooling system includes: heat exchanger, radiator, electric machine controller, Electric drive module, water pump and three-way valve, institute
Stating A-B mouth, radiator, electric machine controller, Electric drive module and the water pump of three-way valve, successively piping connection constitutes the first circuit, institute
Stating A-C mouth, heat exchanger, electric machine controller, Electric drive module and the water pump of three-way valve, successively piping connection constitutes second servo loop.
2. hybrid electric vehicle crankcase ventilation ice protection system as described in claim 1, which is characterized in that the crankcase is logical
Wind system further includes air filter, air inlet pipe and air filter piping connection after the air filter.
3. hybrid electric vehicle crankcase ventilation ice protection system as described in claim 1, which is characterized in that the crankcase is logical
Wind system further includes booster, intercooler and air throttle, air inlet pipe, booster, intercooler, air throttle and air inlet after the air filter
Manifold line connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230289.6U CN208734404U (en) | 2018-08-01 | 2018-08-01 | Hybrid electric vehicle crankcase ventilation ice protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821230289.6U CN208734404U (en) | 2018-08-01 | 2018-08-01 | Hybrid electric vehicle crankcase ventilation ice protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208734404U true CN208734404U (en) | 2019-04-12 |
Family
ID=66029226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821230289.6U Active CN208734404U (en) | 2018-08-01 | 2018-08-01 | Hybrid electric vehicle crankcase ventilation ice protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208734404U (en) |
-
2018
- 2018-08-01 CN CN201821230289.6U patent/CN208734404U/en active Active
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