CN205805684U - A kind of automobile catalytic device heat management system - Google Patents
A kind of automobile catalytic device heat management system Download PDFInfo
- Publication number
- CN205805684U CN205805684U CN201620620333.9U CN201620620333U CN205805684U CN 205805684 U CN205805684 U CN 205805684U CN 201620620333 U CN201620620333 U CN 201620620333U CN 205805684 U CN205805684 U CN 205805684U
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- CN
- China
- Prior art keywords
- heat exchanger
- catalyst converter
- water pump
- radiator
- cooling water
- 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.)
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Abstract
This utility model relates to a kind of automobile catalytic device heat management system, it is characterised in that include catalyst converter, electromotor, cooling water pump, radiator and thermostat；Wherein electromotor, thermostat and cooling water pump constitute partial circulating loop；Electromotor, thermostat, radiator, cooling water pump constitute the engine body cooling circuit of systemic circulation；Also include the heat exchanger being arranged on catalyst converter inlet end, described heat exchanger is arranged in parallel with engine body cooling circuit in systemic circulation, after the water inlet pipe of heat exchanger is arranged at engine cooling water pump, the outlet pipe of heat exchanger is connected with radiator inleting pipe, temperature sensor is had on heat exchanger, being provided with control valve on the water inlet pipe of heat exchanger, heat exchanger constitutes the catalyst converter cooling circuit of systemic circulation with control valve, radiator and cooling water pump.The beneficial effects of the utility model are the intake air temperature that can actively control catalyst converter, are prevented effectively from catalyst converter high temperature failure, improve catalyst converter transformation efficiency.
Description
Technical field
This utility model relates to automobile catalytic device heat management system.
Background technology
Along with automobile emission regulation increasingly stringent, the exhaust gas processing device such as ternary catalyzing unit has become as a kind of mark of automobile
Quasi-configuration, but the activity of catalyst converter is to ensure that the key factor of ternary catalyzing unit catalytic conversion efficiency.Catalyst converter activity reduces
Main cause be poisoning deterioration and heat deterioration.Wherein, poisoning deterioration is relevant with the refining of gasoline and composition；Heat deterioration main with
The operating temperature of catalyst converter is correlated with.
Along with gasoline quality steps up, engine compression ratio and power step up, the operating temperature of electromotor and row
Temperature is higher, and heat deterioration becomes the major influence factors that catalyst converter activity lost efficacy.Therefore, control catalyst temperature and become raising
Catalyst converter service life and the key technology of service efficiency.
The heat protection technology of electromotor catalyst converter is to be controlled by engine calibration strategy at present, main by monitoring
Air mass flow and air-fuel ratio prediction engine exhaust temperature.When high load capacity, by increasing distributive value, reduce air-fuel ratio, shorten
After burning period, thus reduce delivery temperature；Fuel oil injection simultaneously increases, due to the volatilization of gasoline, and gaseous mixture when reducing compression
Temperature, reduces delivery temperature.This catalyst temperature control mode is more passive, and in high load region, fuel efficiency is low, adds
Complete-vehicle oil consumption.
In existing engine-cooling system or heat management system invention, the miscellaneous part of non-engine body is cooled down,
Its loop is tandem.Such as, Patent No. " CN204783230U ", Application No. " CN201520370262.7 ", title
A kind of existing engine-cooling system is disclosed for the utility model of " a kind of engine-cooling system ", as shown in Figure 4, including
Electromotor water channel, water pump, thermostat, heat exchanger, radiator, engine body is provided with water inflow of the engine pipe, thermostat
Water inlet is communicated with partial circulating outlet pipe, and the outlet of thermostat is communicated with systemic circulation outlet pipe, the outlet of radiator and heat
The water inlet connection of exchanger, the outlet of heat exchanger connects with water inflow of the engine pipe, water inflow of the engine pipe and engine water
The arrival end connection in road, the port of export of electromotor water channel connects with the water inlet of thermostat, the systemic circulation outlet pipe on thermostat
Connecting with the water inlet of radiator, the partial circulating outlet pipe on thermostat connects with the water inlet of heat exchanger, water pump series connection peace
It is contained on the pipeline between the water inlet of heat exchanger and the water inlet of thermostat.There are two kinds of closed circuits in this cooling system,
Wherein: the flow direction of partial circulating coolant is: electromotor water channel 1.1 heat exchanger 4.1 water pump 2.1 electromotor water channel 1.1；
The flow direction of systemic circulation coolant is: radiator 5.1 electromotor water channel 1.1 heat exchanger 4.1 water pump 2.1 thermostat
3.1 radiators 5.1.
Fig. 5 is another kind of existing engine-cooling system, and this system equally exists two kinds of closed circuits, wherein partial circulatings
The flow direction of middle coolant is: heat exchanger 4.2 electromotor water channel 1.2 water pump 2.2 heat exchanger 4.2.Systemic circulation cools down
The flow direction of liquid is: radiator 5.2 heat exchanger 4.2 electromotor water channel 1.2 water pump 2.2 thermostat 3.2 radiator
5.2。
Above prior art all cannot the inflow temperature of coolant of common guarantee engine body and miscellaneous part
Identical, no matter first passing through engine body or other heat exchangers, all coolant temperature being produced impact, all can affect another
The cooling performance of parts.
The air flow method of current existing catalyst converter inlet gas is substantially by continuing to optimize air inlet end cone shape thus excellent
Activating QI flow distribution, the method limitation is big, and air inlet end cone shape is arranged by space and the resistance to many-side of waiting so long of structure is limited.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of catalyst converter heat management system, actively
Control the intake air temperature of catalyst converter, be prevented effectively from catalyst converter high temperature failure, improve catalyst converter transformation efficiency.
For reaching object above, this utility model provides a kind of automobile catalytic device heat management system, including catalyst converter, sends out
Motivation, cooling water pump, radiator and thermostat；Wherein electromotor, thermostat and cooling water pump constitute partial circulating loop；Start
Machine, thermostat, radiator, cooling water pump constitute the engine body cooling circuit of systemic circulation；Also include cold with engine body
But the catalyst converter cooling circuit that loop is in parallel, catalyst converter cooling circuit includes radiator, cooling water pump and is arranged on catalyst converter
The control valve arranged on the heat exchanger of inlet end and heat exchanger water inlet pipe, it is cold that the water inlet pipe of heat exchanger is arranged at electromotor
But after water pump, the outlet pipe of heat exchanger is connected with radiator inleting pipe, and heat exchanger has temperature sensor.
Coolant water temperature of the present utility model controls cooling circulation form, including partial circulating, systemic circulation and mixing circulation, little
The cooling water of circulation is by thermostat, cooling water pump；Systemic circulation has engine body cooling circuit and the catalyst converter cooling of parallel connection
Loop, the cooling water of engine body cooling circuit passes through thermostat, radiator, cooling water pump；Catalyst converter cooling circuit cold
But water passes through cooling water pump, control valve, heat exchanger, radiator.Mixing circulation is to there is the loop that three tunnels are in parallel, i.e. office simultaneously
Portion's partial circulating: cooling water pump-electromotor-thermostat；Locally engine body cooling circuit: cooling water pump-electromotor-Jie Wen
Device-radiator；Locally catalyst converter cooling circuit: cooling water pump-control valve-heat exchanger-radiator.
Preferably, on described heat exchanger, the temperature information collected is sent to entire car controller by temperature sensor, whole
Vehicle controller is according to the opening degree of temperature information adjusting control valve.
Preferably, described heat exchanger is cylinder, inside has the water channel dynamic for cooling liquid recycle stream, and water channel is at intake-outlet
Place separates, and heat exchanger inner ring has flabellum, and heat exchanger is provided with temperature sensor pedestal.
This utility model is by increasing a set of heat management system, with engine thermal management system phase on automobile catalytic device
Even, actively carried out catalyst converter Thermal protection by heat management system, thus improve catalyst converter service life and change efficiency, reduce whole
Car oil consumes.
Cooling circuit in this utility model is parallel, it is ensured that entering of engine body and catalyst converter heat exchanger
Mouth coolant is the cryogenic liquid that temperature is identical.Avoid two kinds of drawbacks of series loop: coolant first passes through catalyst converter heat and hands over
After parallel operation, temperature is high, affects engine body cooling performance；After coolant first passes through engine body, it is impossible to ensure catalyst converter
Cooling performance.
Heat exchanger is positioned at catalyst converter front end, and while a heat management system part, in exchanger, flabellum is to entrance
The gas of catalyst converter carries out water conservancy diversion, on the premise of air inlet end cone shape invariance, improves aerofluxus equal in the distribution of catalyst converter carrier
Even property, improves catalyst converter service efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of catalyst converter heat management system of the present utility model；
Fig. 2 is the internal structure schematic diagram of heat exchanger in this utility model；
Fig. 3 is the internal structure sectional view of heat exchanger in this utility model；
Fig. 4 is the structural representation of prior art；
Fig. 5 is the structural representation of another prior art；
Wherein:
1-cooling water pump 2-thermostat 3-control valve
4-electromotor 5-heat exchanger 51-flabellum
52-outlet 53-water inlet 54-water channel
55-temperature sensor pedestal 6-radiator 7-catalyst converter
8-temperature sensing 1.1-electromotor water channel 2.1-water pump
3.1-thermostat 4.1-radiator 5.1-radiator
1.2-electromotor water channel 2.2-water pump 3.2-thermostat
4.2-heat exchanger 5.2-radiator
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described further.
General automobile engine heat management system is the cooling system of Forced water cooling form, and engine coolant is at cooling water
The pressure of pump circulates under driving between engine cylinder-body water channel and radiator, the thermostat of engine-cooling system root again simultaneously
Cooling circulation form is controlled, including partial circulating, systemic circulation and mixing circulation according to engine coolant water temperature.
A kind of automobile catalytic device heat management system as shown in Figure 1 to Figure 3, increases heat exchanger at catalyst converter 7 inlet end
5, after heat exchanger 5 water inlet pipe is arranged at engine cooling water pump 1, heat exchanger 5 water inlet pipe is provided with one and actively controls
Valve 3, heat exchanger 5 outlet pipe is connected with radiator 6 water inlet pipe of engine-cooling system, and connector is in radiator 6 and joint
Between temperature device 2.In this system, liquid medium is engine coolant.Arranging temperature sensor 8 on heat exchanger 5, temperature passes
Sensor 8 signal transmission entire car controller, entire car controller controls the unlatching journey of flow control valve 3 according to catalyst converter intake air temperature
Degree, the air inlet cooling degree of Based Intelligent Control catalyst converter.
Heat exchanger 5 is designed with water channel 54, circulates wherein for coolant；Heat absorption flabellum 51 can increase heat exchange
The heat exchange area of device；Water channel 54 separates at intake-outlet 52,53, it is ensured that coolant one-way flow in water channel 54；Heat exchange
Temperature sensor pedestal 55 it is provided with, for mounting temperature sensor 8 on device 5.
Heat exchanger 5 is positioned at catalyst converter 7 front end, and internal containing flabellum 51, its flabellum 51 shape is carried out according to exhaust airstream
Specific design；Flabellum 51 1 aspect can provide heat exchanger heating surface area, improves heat exchanger effectiveness；On the other hand can be to sending out
Motivation aerofluxus carries out water conservancy diversion so that aerofluxus can evenly be distributed in catalyst converter 7 carrier surface.
During engine-cooling system partial circulating, coolant without radiator, only engine cooling water channel and water pump it
Between circulate.Now coolant is also without going past catalyst converter heat exchanger, does not affect the low-temperature catalyzed efficiency of catalyst converter.Coolant circuit
For: cooling water pump 1-electromotor 4-thermostat 2-cooling water pump 1.
When engine-cooling system is systemic circulation, while coolant provides refrigerating function for electromotor, coolant can be led to
Catalyst converter 7 intake air temperature is lowered the temperature by over-heat-exchanger 5.Coolant circuit is that two-way is in parallel: 1) engine body cools back
Road: cooling water pump 1-electromotor 4-thermostat 2-radiator 6-cooling water pump 1；2) catalyst converter cooling circuit: cooling water pump 1-flows
Control valve 3-heat exchanger 5-radiator 6-cooling water pump 1.
It is designed with flow control valve 3 on heat exchanger 5 water inlet pipe, heat exchanger 5 is provided with temperature sensor 8, flow
Control valve 3 can be with Intelligent adjustment heat exchanger 5 water inlet pipe flow according to the temperature that temperature sensor 8 is fed back so that catalyst converter temperature
Degree can monitor in real time, on-demand regulation.
When circulating admixture sized by engine-cooling system, the same with systemic circulation state, controller control flow
The opening degree of control valve.There are three shunt circuits, tunnel: 1 during mixing circulation) locally partial circulating: cooling water pump 1-electromotor 4-saves
Temperature device 2-cooling water pump 1；2) locally engine body cooling circuit: 1-electromotor 4-thermostat 2-radiator 6-is cold for cooling water pump
But water pump 1；3) catalyst converter cooling circuit: cooling water pump 1-flow control valve 3-heat exchanger 5-radiator 6-cooling water pump 1.
Below the preferred embodiment created this utility model is illustrated, but this utility model is created not
Being limited to described embodiment, those of ordinary skill in the art are all right on the premise of this utility model creative spirit
Making modification or the replacement of all equivalents, these equivalent modifications or replacement are all contained in the application claim limited range
In.
Claims (3)
1. an automobile catalytic device heat management system, it is characterised in that include catalyst converter, electromotor, cooling water pump, radiator and
Thermostat；Wherein electromotor, thermostat and cooling water pump constitute partial circulating loop；Electromotor, thermostat, radiator, cooling water
Pump constitutes the engine body cooling circuit of systemic circulation；Also include that the catalyst converter in parallel with engine body cooling circuit cools back
Road, catalyst converter cooling circuit includes radiator, cooling water pump and the heat exchanger being arranged on catalyst converter inlet end and heat exchange
The control valve arranged on device water inlet pipe, after the water inlet pipe of heat exchanger is arranged at engine cooling water pump, the water outlet of heat exchanger
Pipe is connected with radiator inleting pipe, and heat exchanger has temperature sensor.
Automobile catalytic device heat management system the most according to claim 1, it is characterised in that on described heat exchanger, temperature passes
The temperature information collected is sent to entire car controller by sensor, and entire car controller is according to the unlatching of temperature information adjusting control valve
Degree.
Automobile catalytic device heat management system the most according to claim 1, it is characterised in that described heat exchanger is post
Body, inside has the water channel dynamic for cooling liquid recycle stream, and water channel separates at intake-outlet, and heat exchanger inner ring has flabellum, heat exchange
Temperature sensor pedestal it is provided with on device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620620333.9U CN205805684U (en) | 2016-06-22 | 2016-06-22 | A kind of automobile catalytic device heat management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620620333.9U CN205805684U (en) | 2016-06-22 | 2016-06-22 | A kind of automobile catalytic device heat management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805684U true CN205805684U (en) | 2016-12-14 |
Family
ID=57505842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620620333.9U Expired - Fee Related CN205805684U (en) | 2016-06-22 | 2016-06-22 | A kind of automobile catalytic device heat management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952923A (en) * | 2018-08-31 | 2018-12-07 | 蔚来汽车有限公司 | Engine thermal management system and charging vehicle including it |
-
2016
- 2016-06-22 CN CN201620620333.9U patent/CN205805684U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952923A (en) * | 2018-08-31 | 2018-12-07 | 蔚来汽车有限公司 | Engine thermal management system and charging vehicle including it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |