CN206035684U - Engine respiratory tube anti -freezing device - Google Patents
Engine respiratory tube anti -freezing device Download PDFInfo
- Publication number
- CN206035684U CN206035684U CN201621011995.2U CN201621011995U CN206035684U CN 206035684 U CN206035684 U CN 206035684U CN 201621011995 U CN201621011995 U CN 201621011995U CN 206035684 U CN206035684 U CN 206035684U
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- pipe
- water
- electromotor
- heat exchanger
- air
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Abstract
The utility model discloses an engine respiratory tube anti -freezing device, include engine, main outlet pipe, main wet return, heating outlet pipe, heating wet return, intake pipe, heat exchanger, respiratory tube, water outlet tee coupling, return water tee bend, flow control valve, intake duct, prevent balk ring, water tank, drainage nozzle, breath nozzle, be equipped with water outlet tee coupling on the main outlet pipe, be connected with the heating outlet pipe in its bypass, be equipped with the return water tee bend on the main wet return, be connected with the heating wet return in its bypass, establish ties in the intake pipe of engine and be provided with heat exchanger and prevent the balk ring, heat exchanger's interior cavity both ends are provided with hot water mouth and backward flow mouth respectively, be equipped with the respiratory tube on the engine, the respiratory tube communicates with preventing the balk ring, be provided with a plurality of breath nozzle and drainage nozzle in the balk ring in the intake pipe of preventing surrounding, this novel engine cooling water heat that utilizes improves the temperature of breathing the gas blowby, thoroughly solves the engine gas blowby problem of freezing, low cost.
Description
Technical field
This utility model is related to a kind of engine charge temperature control technical equipment field, more particularly to a kind of electromotor air tube
Anti-icing equipment.
Background technology
Vehicular engine as intake air temperature is too low, can cause that air-fuel mixture is bad, respiratory system under the low temperature environment of pole
The problems such as icing, wherein respiratory system ice formation issues, are more universal.For meeting emission regulation demands, adopting electromotor now more
Enclosed positive crankcase ventilation system is united, will the combustor gas blowby of electromotor be directed into gas handling system, participate in in-cylinder combustion again.
Engine blow-by gas include vapor, burning waste gas and part unburned mixture；Engine load is bigger, the air leakage of crankcase
Than larger, crank case gases are contained within moisture, ambient temperature than it is relatively low when, moisture is susceptible to freeze.And breathe system
The escape pipe of system once occurs to freeze, and blocks escape pipe, and crank case gases cannot just be discharged, and cause crankcase pressure increasingly
Greatly, the potential safety hazards such as oil rule ejection, crankshaft oil seal oil leak can be caused.
In prior art, the main method for solving respiratory system icing is reduced the contact surface of air tube and external environment
Accumulate, adopt electrical heating；The former is affected by structure arrangement, and often more difficult elimination ice formation issues, latter increase answering for electric-control system
Polygamy and system power consumption.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of electromotor air tube anti-icing equipment, for existing
The deficiency having in technology, increased a heat exchanger in engine charge pipeline, arranges anti-balk ring at the top of heat exchanger,
Heat exchange is carried out with the air in air inlet pipe using the heat of engine cooling water in the heat exchanger, improve engine charge with
And the temperature of breathing gas blowby, fundamentally solve the problems, such as that respiratory system freezes, while Engine Inlet Temperature is improved to one
Individual proper level, is conducive to air-fuel mixture, improves the in-cylinder combustion of electromotor.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows：A kind of electromotor air tube anti-icing equipment, bag
Include electromotor, primary flow pipe, main water return tube, heating outlet pipe, heating return pipe, air inlet pipe, heat exchanger, air tube, water outlet
Threeway, backwater threeway, flow control valve, air intake duct, anti-balk ring, hot water mouth, refluxing opening, pneumostome, water tank, water draining beak, breathing
Mouth, it is characterised in that：
The electromotor constitutes chilled(cooling) water return (CWR) by primary flow pipe, main water return tube and water tank；Set on the primary flow pipe
Outlet three way is equipped with, heating outlet pipe in the bypass of the outlet three way, is connected with；Backwater three is provided with the main water return tube
It is logical, heating return pipe is connected with the bypass of the backwater threeway；Heat exchange has been arranged in series in the air inlet pipe of the electromotor
Device, arranges anti-balk ring around the air inlet pipe on the heat exchanger top, be provided with the air inlet of multiple circles in the heat exchanger
Road, constitutes inner chamber body between the air intake duct and heat exchanger shell, the inner chamber body two ends are respectively arranged with hot water mouth and return
Head piece, is additionally provided with air tube on the electromotor, the air tube is connected with anti-balk ring, the anti-balk ring internal ring around air inlet
Multiple breathing mouths and water draining beak is provided with pipe；The breathing mouth is arranged at the upper position of anti-balk ring, and the water draining beak is arranged
In the lower position of anti-balk ring；The pneumostome front end is provided with backflow sleeve pipe；The backflow sleeve pipe is surrounded on and deters outside ring,
The heating outlet pipe is connected with hot water mouth, and the heating return pipe is connected with backflow sleeve pipe；Air in the air inlet pipe is worn
Air intake duct in over-heat-exchanger is connected with electromotor.
Flow control valve is provided with the heating outlet pipe, is provided with intake air temperature sensor, institute in the air inlet pipe
State the connection of flow control valve, intake air temperature sensor and engine management system electric signal.
The heat exchanger is drum-shaped multitube sandwich type element, the inner chamber body of the heat exchanger and hot water mouth and backflow sleeve pipe
Connection, is provided with refluxing opening below the backflow sleeve pipe.
At least provided with three, angular distribution between the breathing mouth etc., the breathing mouth is inclined upwardly and sets the breathing mouth
Put, the range of tilt angles of the breathing mouth is 30 degree 60 degree.
At least provided with three, angular distribution between the water draining beak etc., the water draining beak is inclined downwards the water draining beak
Arrange, concordant with anti-balk ring bottom at the water draining beak opening to arrange, the range of tilt angles of the water draining beak is 30 degree 60
Degree.
Operation principle of the present utility model is：A heat exchanger is increased in engine charge pipeline, in heat exchange
Anti- balk ring is set above device, breathing mouth and water draining beak are set in anti-balk ring；Using the heat of engine cooling water in heat exchange
Heat exchange is carried out with the air in air inlet pipe in device, the temperature of engine charge and breathing gas blowby is improved, is fundamentally solved
The problem that respiratory system freezes；By anti-balk ring and breathing mouth, water draining beak, slow down respiratory air flow speed, and row's breathing at present is produced
Raw water；Mainly there are two kinds of mode of operations, one kind is the air-temperature sensing carried by electromotor at normal ambient temperatures
Device measures intake air temperature in real time, and gives cooling water flow control one signal of valve so as to be closed, in this pattern
Under, the cooling water of electromotor is not passed through heat exchanger, will not carry out heat with the crankcase gas blowby in engine charge and air tube
Exchange, i.e., whole electromotor is run under conventional pattern.Another kind is that what electromotor was carried enters under cold weather conditions
Gas temperature sensor actual measurement is less than some limit value to intake air temperature, there is the risk of respiratory system, engine management system
(EMS) give cooling water flow control one signal of valve so as to opened by certain aperture, opening value and intake air temperature phase
Close, the lower aperture of temperature is bigger.
By above-mentioned technical proposal, the beneficial effect of technical solutions of the utility model is：Heat exchanger and anti-balk ring are set,
And configure breathing mouth and water draining beak, using electromotor cooling water heat improving the temperature of engine charge and breathing gas blowby
Degree, it is not necessary to expend extra energy, just can thoroughly be solved engine blow-by gas and produce asking for icing when being mixed with fresh air
Topic, it is to avoid because breathing the potential safety hazard that blockage is caused；Meanwhile, using cooling water come heated engine air inlet, and by adjusting
Cooling water flow, real-time regulation Engine Inlet Temperature make intake air temperature maintain a suitable level, for improvement is started
The efficiency of combustion of machine and reduction engine emission produce positive role.This new structure is simple, it is easy to install, with low cost.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is a kind of electromotor air tube anti-icing equipment structural representation disclosed in this utility model embodiment；
Fig. 2 is enlarged diagram at a kind of electromotor air tube anti-icing equipment A disclosed in this utility model embodiment；
Fig. 3 is a kind of electromotor air tube anti-icing equipment heat exchanger top view disclosed in this utility model embodiment
Schematic diagram.
Numeral and the corresponding component title represented by letter in figure：
1. 2. primary flow pipe of electromotor, 3. main water return tube 4. heats outlet pipe
5. 6. air inlet pipe of return pipe, 7. heat exchanger, 8. air tube is heated
9. 10. backwater threeway of outlet three way, 11. flow control valve, 12. air intake duct
13. anti-balk ring, 14. hot water mouth, 15. refluxing opening, 16. pneumostome
17. water tank, 18. water draining beak 19. breathes mouth
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
According to Fig. 1, Fig. 2 and Fig. 3, this utility model provides a kind of electromotor air tube anti-icing equipment, including starting
Machine 1, primary flow pipe 2, main water return tube 3, heating outlet pipe 4, heating return pipe 5, air inlet pipe 6, heat exchanger 7, air tube 8, go out
Water threeway 9, backwater threeway 10, flow control valve 11, air intake duct 12, anti-balk ring 13, hot water mouth 14, refluxing opening 15, pneumostome 16,
Water tank 17, water draining beak 18, breathing mouth 19.
The electromotor 1 constitutes chilled(cooling) water return (CWR) by primary flow pipe 2, main water return tube 3 and water tank 17；The primary flow pipe
Outlet three way 9 is provided with 2, is connected with heating outlet pipe 4 in the bypass of the outlet three way 9；Arrange on the main water return tube 3
There is backwater threeway 10, in the bypass of the backwater threeway 10, be connected with heating return pipe 5；Go here and there in the air inlet pipe 6 of the electromotor 1
Connection is provided with heat exchanger 7, and 6 surrounding of air inlet pipe on 7 top of the heat exchanger arranges anti-balk ring 13, in the heat exchanger 7
The air intake duct 12 of multiple circles is provided with, between 7 housing of the air intake duct 12 and heat exchanger, inner chamber body, the inner chamber body is constituted
Two ends are respectively arranged with hot water mouth 14 and refluxing opening 15, are additionally provided with air tube 8 on the electromotor 1, the air tube 8 with it is anti-
Balk ring 13 is connected, and is provided with multiple breathing mouths 19 and water draining beak 18 in the anti-balk ring 13 in circular air inlet pipe 6；The breathing
Mouth 19 is arranged at the upper position of anti-balk ring 13, and the water draining beak 18 is arranged at the lower position of anti-balk ring 13；The pneumostome
16 front ends are provided with backflow sleeve pipe；The backflow sleeve pipe is surrounded on and deters outside ring 13, described to heat outlet pipe 4 and hot water mouth 14
Connection, the heating return pipe 5 are connected with backflow sleeve pipe；The air intake duct in air through heat exchanger 7 in the air inlet pipe 6
12 are connected with electromotor 1.
Flow control valve 11 is provided with the heating outlet pipe 4, in the air inlet pipe 6, air-temperature sensing is provided with
Device, the flow control valve 11, intake air temperature sensor and the connection of engine management system electric signal.
The heat exchanger 7 is drum-shaped multitube sandwich type element, the inner chamber body of the heat exchanger 7 and hot water mouth 14 and backflow
Sleeve pipe is connected, and is provided with refluxing opening 15 below the backflow sleeve pipe.
It is described breathing mouth 19 be provided with three, it is described breathing mouth 19 between etc. it is angular distribution, it is described breathing mouth 19 be inclined upwardly
Arrange, the angle of inclination of the breathing mouth 19 is 45 degree.
The water draining beak 18 is provided with three, and angular distribution between the water draining beak 18 etc., the water draining beak 18 inclines downwards
Tiltedly arrange, concordant with 13 bottom of anti-balk ring at 18 opening of the water draining beak to arrange, the angle of inclination of the water draining beak 18 is 45 degree.
This utility model concrete operation step is：A heat exchanger 7 is increased in 1 air inlet pipeline of electromotor, in heat
Anti- balk ring 13 is set above exchanger 7, breathing mouth 19 and water draining beak 18 are set in anti-balk ring 13；Using 1 cooling water of electromotor
Heat carry out heat exchange with the air in air inlet pipe 6 in heat exchanger 7, improve 1 air inlet of electromotor and breathing gas blowby
Temperature, fundamentally solves the problems, such as that respiratory system freezes；By anti-balk ring 13 and breathing mouth 19, water draining beak 18, slow down breathing
Air velocity, and the water that row's breathing at present is produced；Mainly have two kinds of mode of operations, one kind be at normal ambient temperatures, by
The intake air temperature sensor that electromotor 1 is carried measures intake air temperature in real time, and gives cooling water flow control 11 1 signals of valve,
Closed mode is at, in such a mode, the cooling water of electromotor 1 is not passed through heat exchanger 7, will not enter with electromotor 1
Crankcase gas blowby in gas and air tube carries out heat exchange, i.e., whole electromotor 1 is run under conventional pattern.Another kind be
Under cold weather conditions, the intake air temperature sensor actual measurement that electromotor 1 is carried is less than some limit value to intake air temperature, exists
The risk of respiratory system, engine management system (EMS) control 11 1 signals of valve to cooling water flow so as to open by certain
Degree is opened, and opening value is related to intake air temperature, and the lower aperture of temperature is bigger.In this case, engine cooling water is flowed through
Heat exchanger 7, because the cooling water leaving water temperature of electromotor 1 it is higher, in the heat exchanger 7 successively and FAI Fresh Air Intake and breathing
Crankcase gas blowby in pipe carries out heat exchange, while improving the temperature of two-way gas, two-way gas is mixed after heat exchanger 7
The phenomenon of the steam coagulation Cheng Bing in gas blowby, during conjunction, will not occur because temperature is too low.Mixed gas temperature is also obtained
The raising of response is arrived, into after electromotor, higher intake air temperature is conducive to the atomization and evaporation of fuel oil, makes air-fuel mixture more
Fully, the in-cylinder combustion to electromotor is produced positive effect by this, improves the efficiency of combustion of electromotor under cold climate conditions
And exhaust emissions.
By above-mentioned specific embodiment, the beneficial effects of the utility model are：Heat exchanger and anti-balk ring are set, and are configured
Breathing mouth and water draining beak, using electromotor cooling water heat improving the temperature of engine charge and breathing gas blowby, no
Need to expend extra energy, just can thoroughly solve the problems, such as that engine blow-by gas produce icing when mixing with fresh air, keep away
Exempt from because breathing the potential safety hazard that blockage is caused；Meanwhile, using cooling water come heated engine air inlet, and by adjusting cooling water
Flow, real-time regulation Engine Inlet Temperature make intake air temperature maintain a suitable level, for the combustion for improving electromotor
Burn efficiency and reduce engine emission and produce positive role.This new structure is simple, it is easy to install, with low cost.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use that this practicality is new
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determined herein
The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (5)
1. a kind of electromotor air tube anti-icing equipment, it is characterised in that including electromotor, primary flow pipe, main water return tube, heating
Outlet pipe, heating return pipe, air inlet pipe, heat exchanger, air tube, outlet three way, backwater threeway, flow control valve, air intake duct,
Anti- balk ring, hot water mouth, refluxing opening, pneumostome, water tank, water draining beak, breathing mouth；The electromotor passes through primary flow pipe, main backwater
Pipe constitutes chilled(cooling) water return (CWR) with water tank；Outlet three way is provided with the primary flow pipe, is connected in the bypass of the outlet three way
There is heating outlet pipe；Backwater threeway is provided with the main water return tube, is connected with heating backwater in the bypass of the backwater threeway
Pipe；Heat exchanger has been arranged in series in the air inlet pipe of the electromotor, has arranged anti-around the air inlet pipe on the heat exchanger top
Balk ring, is provided with the air intake duct of multiple circles in the heat exchanger, constitute interior between the air intake duct and heat exchanger shell
Cavity, the inner chamber body two ends are respectively arranged with hot water mouth and refluxing opening, are additionally provided with air tube on the electromotor, described to exhale
Suction pipe is connected with anti-balk ring, the anti-balk ring internal ring around air inlet pipe on be provided with multiple breathing mouths and water draining beak；The breathing
Mouth is arranged at the upper position of anti-balk ring, and the water draining beak is arranged at the lower position of anti-balk ring；The pneumostome front end is arranged
There is backflow sleeve pipe；The backflow sleeve pipe is surrounded on and deters outside ring, and the heating outlet pipe is connected with hot water mouth, described to heat back
Water pipe is connected with backflow sleeve pipe；The air intake duct in air through heat exchanger in the air inlet pipe is connected with electromotor.
2. a kind of electromotor air tube anti-icing equipment according to claim 1, it is characterised in that the heating outlet pipe
On be provided with flow control valve, be provided with intake air temperature sensor in the air inlet pipe, the flow control valve, intake air temperature are passed
Sensor is connected with engine management system electric signal.
3. a kind of electromotor air tube anti-icing equipment according to claim 1, it is characterised in that the heat exchanger is
Drum-shaped multitube sandwich type element, the inner chamber body of the heat exchanger are connected with hot water mouth and backflow sleeve pipe, under the backflow sleeve pipe
Side is provided with refluxing opening.
4. a kind of electromotor air tube anti-icing equipment according to claim 1, it is characterised in that the breathing mouth is at least
Three are provided with, angular distribution between the breathing mouth etc., the breathing mouth is inclined upwardly settings, the angle of inclination for breathing mouth
Scope is 30 degree 60 degree.
5. a kind of electromotor air tube anti-icing equipment according to claim 1, it is characterised in that the water draining beak is at least
Be provided with three, angular distribution between the water draining beak etc., the water draining beak is obliquely installed downwards, at the water draining beak opening with
Anti- balk ring bottom is concordantly arranged, and the range of tilt angles of the water draining beak is 30 degree 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621011995.2U CN206035684U (en) | 2016-08-31 | 2016-08-31 | Engine respiratory tube anti -freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621011995.2U CN206035684U (en) | 2016-08-31 | 2016-08-31 | Engine respiratory tube anti -freezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206035684U true CN206035684U (en) | 2017-03-22 |
Family
ID=58300438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621011995.2U Expired - Fee Related CN206035684U (en) | 2016-08-31 | 2016-08-31 | Engine respiratory tube anti -freezing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206035684U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482812A (en) * | 2021-06-30 | 2021-10-08 | 东风汽车集团股份有限公司 | Anti-icing device for air inlet main pipeline and vehicle |
| CN113775448A (en) * | 2021-09-30 | 2021-12-10 | 安徽江淮汽车集团股份有限公司 | Air inlet pipeline used in front of supercharger |
| CN114320677A (en) * | 2022-01-14 | 2022-04-12 | 安徽江淮汽车集团股份有限公司 | Low pressure EGR water heating structure |
-
2016
- 2016-08-31 CN CN201621011995.2U patent/CN206035684U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482812A (en) * | 2021-06-30 | 2021-10-08 | 东风汽车集团股份有限公司 | Anti-icing device for air inlet main pipeline and vehicle |
| CN113775448A (en) * | 2021-09-30 | 2021-12-10 | 安徽江淮汽车集团股份有限公司 | Air inlet pipeline used in front of supercharger |
| CN114320677A (en) * | 2022-01-14 | 2022-04-12 | 安徽江淮汽车集团股份有限公司 | Low pressure EGR water heating structure |
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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: 20170322 Termination date: 20170831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |