CN2270815Y - Water supply supplementary device for internal-combustion engine - Google Patents
Water supply supplementary device for internal-combustion engine Download PDFInfo
- Publication number
- CN2270815Y CN2270815Y CN 96209028 CN96209028U CN2270815Y CN 2270815 Y CN2270815 Y CN 2270815Y CN 96209028 CN96209028 CN 96209028 CN 96209028 U CN96209028 U CN 96209028U CN 2270815 Y CN2270815 Y CN 2270815Y
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- China
- Prior art keywords
- water supply
- engine
- water
- gasoline engine
- exhaust gas
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Abstract
The utility model relates to a water supply supplementary device for combustion engines and particularly for gasoline engines. A gasoline engine is connected with the water supply supplementary device through an exhaust gas recirculation device. The utility model mainly comprises a water supply device and a computer control unit. The water supply device is communicated to the exhaust gas recirculation device and supplies stored water solution in the water supply device to the exhaust gas recirculation device. The computer control unit can control the water supply device to start and stop to ensure that a proper water quantity is conveyed to the exhaust gas recirculation device, wherein, the conveyed water quantity can be input into the gasoline engine at the same time with the exhaust gases of the gasoline engine to increase the combustion efficiency of the gasoline engine, reduce the pollutant concentration of the exhaust gases of the gasoline engine and extend the service life of the gasoline engine.
Description
The utility model system relates to a kind of internal-combustion engine water supply auxiliary device, refers to a kind of internal-combustion engine system water supply subsidy device that is applied to gasoline engine especially.
Press, air contains 20% oxygen and 80% nitrogen approximately.If the perfect combustion of engine energy, then engine exhaust can change water and carbon dioxide fully into.Yet, burning in the engine is generally partial combustion, and wherein the oil gas in the engine can not be converted into carbon dioxide and water molecule fully, contains carbon monoxide and hydrocarbon in the exhaust of engine usually, and carbon monoxide is a kind of poisonous gas, and it can cause the people in extremely.In addition, the burning in the engine is a high-temp combustion, so contains nitrogen oxide NOx in its exhaust usually, and this is the formation key factor for photochemical smog.
In sum, aforementioned exhaust contaminant carbon monoxide, hydrocarbon and oxynitrides also has great influence to environmental ecology except human health is had the infringement, so countries in the world government all is devoted to reduce the concentration of pollution discharge of vehicle.
Control about vehicle emission can be reached by three kinds of approach: (1) crankcase emission control system; (2) gasoline evaporation emission control, and (3) engine exhaust control system.
See also accompanying drawing 1, this figure demonstrates the graph of a relation of the required air fuel ratio of typical case's automobile driving speed and automobile, as shown in the figure, when automobile when starting, because engine temperature is lower, so the time hydrocarbon content lower, so engine need have less air fuel ratio value (that is gas supply amount need bigger), but the combustor inner cylinder efficient of this moment is not good, so engine will have the discharge of a large amount of carbon monoxide and hydrocarbon.As shown in the figure, when automobile when driving at moderate speed, the runnability of engine is good, engine combustion efficient is good, so the discharge amount of carbon monoxide and hydrocarbon will reduce, when engine when running up, then the required air fuel ratio value of engine needs bigger, and this moment, engine temperature was higher, and therefore pinking easily takes place, and also made the air displacement of oxynitrides heighten simultaneously.
In order to reduce automotive emissions hydrocarbon, carbon monoxide and oxynitride concentration, existing way is to utilize computer control to inject suitable fuel oil, make the more effective burned use of this fuel oil energy, reach and reduce automobile exhaust contaminant concentration, reduce automotive emissions, also can be by the improvement of the design of ignition mechanism, reduce engine temperature, the area of contact that increases oil-vapour sets about to improve combustion efficiency, increase the oxygen delivery volume or to change the engine ignition time.And the utility model system is set about with reducing engine combustion efficient by the area of contact of improving oil-vapour, increase oxygen delivery volume, and is as follows about the technical description of this part.
Press, general automobile running is in than the arid region, and for example during the desert, its spent amount of gasoline is often higher.Otherwise, when travelling on than humid region, seashore for example, then the spent amount of gasoline of automobile is less usually.A phenomenon can learn that humidity or water vapour will influence the combustion efficiency of engine thus; it is because gasoline is different with the proportion of water; the proportion of gasoline is than the light event of water; so can not fuse; the gasoline of atomizing and water are before entering the firing chamber; the atomization gas particulate that proportion is lighter can be attached on the water spot particulate circumferential surface that atomizes; when the water spot particulate enters in the cylinder; the water spot particulate can evaporate expansion under high temperature and high pressure; and will be attached to the division of gasoline particulate or the thinner gasoline particulate of periphery; because of making the area of contact of gasoline and air increase (being that mixing efficiency increases); gas contained in the water can increase combustion-supporting effect again; and make that burning is more complete; therefore make engine horsepower promote and reach fuel-efficient effect, can reduce the carbon distribution of cylinder simultaneously, thereby improve engine working life; so lower maintenance expenses reaching economic benefit, and the hydrocarbon of engine exhaust and carbon monoxide greatly reduce.Simultaneously, because of glassware for drinking water has the effect that reduces engine temperature, so the oxynitrides amount of engine institute discharging waste gas will greatly reduce.
The main purpose of the utility model is to provide a kind of internal-combustion engine water supply auxiliary device, and it can be installed on the automobile that has dispatched from the factory, to reach the purpose of the combustion efficiency of improving this automobile and the emission concentration that reduces this automobile.
Another purpose of the utility model promptly is to provide a kind of control gear of internal-combustion engine water supply auxiliary device, this control gear can provide a kind of mode of point of persistency, it is the combustion-assistant ignition pulse that is to add between original firing pulse most persistency, with combustion efficiency of promoting engine and the purpose of reaching the reduction pollutant.
The utility model is to realize like this, according to aforesaid principle, design a kind of internal-combustion engine water supply auxiliary device, when this engine at a high speed or under the high temperature operation, can add an amount of water, with combustion efficiency of promoting engine and the discharge amount that reduces hydrocarbon, carbon monoxide and oxynitrides.Simultaneously, in order to promote the combustion efficiency of engine more, also use a kind of ignition method of persistency in the utility model, it is the combustion-assistant ignition pulse that adds a plurality of periodicity between the firing pulse of original ignition mechanism, with the combustion efficiency that increases engine when engine start (especially), thereby can reduce the hydrocarbon and the CO (carbon monoxide converter) emission of engine more.
Illustrate as the back below in conjunction with accompanying drawing and realization example:
The graph of a relation of Fig. 1 car speed and air fuel ratio.
The schematic representation of Fig. 2 the utility model internal-combustion engine water supply auxiliary device.
The controlling method figure of the water supply auxiliary device of Fig. 3 the utility model internal-combustion engine system.
The control program flow chart of the computer control unit of the water supply auxiliary system of Fig. 4 the utility model internal-combustion engine system.
The firing pulse figure of the original ignition mechanism of Fig. 5 A.
The ignition method schematic representation of Fig. 5 B the utility model internal-combustion engine system.
The number in the figure explanation:
(10) water supply auxiliary device (12) large water tank
(14) little water tank (16) conduit pipe
(18) control valve (20) water regulator
(22) three jaw (24) Exhaust gas recirculation device
(30) little water tank detector (32) feed water pump
(40) relay (42) voltage pulse producer
(44) amplification circuit (46) high-tension coil
(50) computer control unit (60) large water tank water level sensor
(62) engine water jacket water temperature detector (64) engine speed detector
(100) engine
Consult accompanying drawing 2, the schematic representation of the internal-combustion engine water supply auxiliary device of the utility model.As shown in the figure, the internal-combustion engine water supply auxiliary device 10 of the utility model is to be used with a gasoline engine 100, and this engine can be the engine of any form.Wherein, this water supply auxiliary device 10 mainly includes a water supply installation, this water supply installation includes a little water tank 14, the water system of this little water tank 14 is supplied with by a large water tank 12, be provided with a little water tank detector 30 in this little water tank 14, when the water level of this little water tank 14 is lower than a setting value, one feed water pump 32 can be activated and water will be supplied in the little water tank 14 by large water tank 12, and this little water tank 14 is connected with a conduit pipe 16, be provided with a control valve 18 in this conduit pipe 16, as solenoid valve, this control valve system is controlled the keying of valve port by a relay 40, this relay 40 is to be controlled by a computer control unit 50, will be about this computer control unit 50 in hereinafter describing in detail, the water regulator 20 that also is provided with a hand adjustment in this conduit pipe 16 is with the controlled water flow output quantity, the end of this conduit pipe 16 then is connected with one three jaw 22, second end of this three jaw 22 then can be communicated to gas exhaust manifold, the 3rd end of this three jaw 22 then is communicated to an Exhaust gas recirculation device 24, Exhaust gas recirculation device system is connected to this gasoline engine 100, the application target of this Exhaust gas recirculation device 24 has been the discharge amount that reduces oxynitrides, therefore current can enter in this gasoline engine 100 with the part exhaust of engine simultaneously via Exhaust gas recirculation device 24, (are carbon monoxide with combustion efficiency of promoting engine and the pollutant that reduces exhaust, hydrocarbon and oxynitrides) concentration.
See also accompanying drawing 3, wherein computer control unit 50 includes: (a) input port, it can be received from large water tank water level sensor 60, engine water jacket water temperature detector 62, engine speed detector 64, engine temperature initialization circuit E, and engine speed is set the information of being passed on adjustment circuit F, (b) central processing unit (CPU) 1, it is to accept from importing the information that port L is passed on, and carry out a control program J, this control program J can do the logic judgement according to holding within the database K, and the output control command; And (c) output port M, it is to receive the order of central processing unit 1 and convert an electric signal to, action with control relay 40 and voltage pulse producer 42, wherein, relay 40 exportable electric signals are to control valve 18, as solenoid valve, the current of this control valve may command conduit pipe 16 open and close, so that the suitable water yield is transferred in the Exhaust gas recirculation device 24, the electric signal that this voltage pulse producer 42 produced then is connected to the high-tension coil 46 of ignition mechanism via an amplification circuit 44.
See also accompanying drawing 5A and accompanying drawing 5B, wherein voltage pulse producer 42 ties up to the combustion-assistant ignition pulse (or claiming combustion-supporting voltage pulse) that adds a plurality of periodicity between the firing pulse of original ignition mechanism, with the combustion efficiency of enhancement engine, and reach the reduction emission concentration.
See also accompanying drawing 4, it is the control program flow chart in the computer control unit 50 in the accompanying drawing 3, and Central Processing Unit 1 is when the information that detector detected satisfies following condition among computer control unit 50:
(a) water level value that detected of large water tank water level sensor 60 is greater than the water level settings value;
(b) engine temperature that detected of engine jacket water temperature detector 62 greater than the engine temperature setting value; And
(c) engine speed that detected of engine speed detector 64 is greater than engine speed and the setting value of adjusting circuit;
Then this central processing unit 1 exportable electric signal to be driving relay 40 actions, thereby opening controlling valve 18 and current can be entered in the Exhaust gas recirculation device 24 via little water tank 14, makes current to enter in the cylinder simultaneously with waste gas.
About aforementioned water level settings value, the engine temperature setting value, and the engine speed setting value all is relevant with factors such as vehicle, automobile exhaust amounts, the automobile data of relevant various forms can build among the aforementioned database K.
In sum, internal-combustion engine water supply auxiliary device of the present utility model is mainly used in gasoline engine, and this car engine connects with internal-combustion engine water supply auxiliary device by Exhaust gas recirculation device.Exhaust gas recirculation device is installed between the gas exhaust manifold of the intake manifold of gasoline engine and gasoline engine.
A kind of internal-combustion engine water supply auxiliary device is characterized in that mainly including:
One water supply installation is to be communicated to this Exhaust gas recirculation device (24) and its inner stored aqueous solution can be supplied in this Exhaust gas recirculation device (24); And
One computer control unit 50, the keying of this water supply installation of its may command is to transfer to the suitable water yield in this Exhaust gas recirculation device, wherein the water yield of this transmission can be imported in this gasoline engine simultaneously with the waste gas that this gasoline engine is discharged, increasing the combustion efficiency of this oil engine, and reduce the contaminant concentration of this gasoline engine institute exhausting air.
The water supply auxiliary device of internal-combustion engine, wherein include a large water tank 12 and a little water tank 14 in this water supply installation, both are communicated with by feed water pump 32, this little water tank 14 is connected with a conduit pipe 16, this conduit pipe 16 is connected in this Exhaust gas recirculation device 24, and this conduit pipe is provided with the break-make that a control valve 18 is used for controlled water flow.
The water supply auxiliary device of internal-combustion engine of the present utility model, wherein this water supply installation water regulator 20 of more including a hand adjustment is used for the size of controlled water flow amount.
Internal-combustion engine water supply auxiliary device of the present utility model, wherein this computer control unit system can be according to the storage water yield of this water supply installation, the temperature of this gasoline engine, and the running speed of this gasoline engine and control the output of the current of this water supply installation.
Internal-combustion engine water supply auxiliary device of the present utility model, wherein work as the water level of this water supply installation greater than a water level settings value, the temperature of this gasoline engine is greater than an engine temperature setting value, and this engine speed is during greater than an engine speed setting value, and this computer control unit transfers to an exportable electric signal in this Exhaust gas recirculation device 24 with the suitable water yield to open this control gear.
Internal-combustion engine water supply auxiliary device of the present utility model, wherein this computer control unit 50 can be provided with a voltage pulse producer 42, this voltage pulse device producer 42 is the ignition mechanism that is connected to this gasoline engine, this voltage pulse producer 42 is the combustion-assistant ignition pulse that can add a plurality of periodicity between original two of this ignition mechanism adjacent high tension ignition pulses, with combustion efficiency of promoting this gasoline engine and the contaminant concentration that reduce this gasoline engine exhaust.
The controlling method of internal-combustion engine water supply auxiliary device of the present utility model comprises:
(a) detect the cistern water level value of this water supply auxiliary device, detect the engine temperature of this internal-combustion engine, and detect this engine speed; And
(b) checkout value of the cistern water level of comparison of aforementioned and a cistern water level setting value, the checkout value of the engine temperature of comparison of aforementioned and an engine temperature setting value, and the checkout value of the engine speed of comparison of aforementioned and an engine speed setting value, if all aforementioned checkout values are all greater than its relevant setting value, then this water system can be supplied to current in this gasoline engine, with combustion efficiency that increases this gasoline engine and the emission concentration that reduces this gasoline engine.
In addition, internal-combustion engine water supply auxiliary device of the present utility model can include a kind of linear control valve, this linear control valve system can moderately change the size of valve port so that an amount of water yield is supplied in the Exhaust gas recirculation device, with enhancement engine combustion efficient and reduction engine exhaust contaminant concentration according to engine temperature with engine running speed.
Below test execution system entrust the vehicle research venting test that test center did to test with power consumption:
(a) venting test:
Gasoline car pollution detection report
Gasoline car pollution detection report testing result
(b) power consumption test:
| Product identification data TOYOTA CORONA vehicle identification number: AT2-8018870 vehicle: EXSIOR AT2EPN GLI 1.6 engine numbers: four gasoline car tires of 4AF742631 A4 form: 185/65R1485H engine family: G4A-FE-94 (look into no engine family) gear form: certainly arrange fourth gear engine form: preposition in-line four cylinder mileometer number: 30237km fuel system: spray |
| Testing conditions environment temperature: 23.3 ℃ of relative temperatures: 51% atmospheric pressure: 753.4mmhg idling speed: 800rpm uses fuel: commercially available 95 unleaded gas time of repose:---hour with reference to car weight: 1344kg roadlock: 446.9N is in 80km/hr pressure of tire: 2.5kgf/cm2Time: 8.35sec (85～75km/hr) gear opportunitys:--- |
| Test material and |
| Detecting instrument body powered meter: SCHENCK KOMEG EMDY48 exhaust gas sampling system: HORIBA CVS-9100S SHED test: the waste-gas analysis system: HORIBA MEXA-9300 evaporates confined chamber: the ETCPJ-101394 carbonyl analyzer: HORIBA AIA-120 treatment of fuels machine: WEISS KT 100/200+5-40 DU-EX hydrocarbon measuring instrument: HORIBA FLA-120 hydrocarbon measuring instrument: PIERBURGFID PM-2000 METHANE oxynitrides analyzer: HORIBA CLA-150 running down analyzer: HORIBA MEXA 574GE |
| Pollute test result | ||||
| Test event | Oxynitrides | Hydrocarbon | Carbon monoxide | |
| Weighting method | Test value | 0.15g/km | 0.061g/km | 0.46g/km |
| Deterioration factor | —— | —— | —— | |
| The result | 0.16g/km | 0.061g/km | 0.46g/km | |
| Idling concentration | Test value | —— | 8ppm | 0.00％ |
| Correction value | —— | 8ppm | 0.00％ | |
Minibus power consumption examining report vehicle: TOYOTACORONA engine form: preposition in-line four cylinder
EXSIOR AT2FPN GLI 1.6
Four minibus engines of A4 number: 4AF742631 gear form: arrange the fourth gear ignition timing certainly:---B.T.D.C uses fuel: commercially available 95 unleaded gas idling revolutions: 820rpm ambient temperature: 22.4 ℃ with reference to car weight: the 1344kg atmospheric pressure: 100.97kPa gear opportunity:---odometer number: 30159km
The power consumption test result
| Test event | The urban district power consumption | Power consumption at a high speed | Average power consumption | Judge |
| Standard | —— | —— | —— | —— |
| Test value | 13.0km/l | 17.1km/l | 14.6km/l |
Following table is the comparison sheet that uses the air pollution emission standard of the engine exhaust checkout value of internal-combustion engine water supply auxiliary device of the utility model and Taiwan government's defined, can learn that by this table the internal-combustion engine system of the utility model can reduce the concentration of exhaust contaminant effectively.
| The car station wagon | Carbon monoxide | Hydrocarbon | Oxynitrides | |
| Specified value | Driving | 2.11 | 0.225g/km | 0.62 |
| The test value of native system | Lazy speed | 1.0 | 200ppm | |
| After the test | 0.46 | 0.061g/km | 0.15g/km |
For the automobile that dispatches from the factory, the water supply auxiliary device of the internal-combustion engine of the utility model can be installed on this automobile easily, as long as the water supply auxiliary device of the utility model is connected on the Exhaust gas recirculation device of this automobile, the increase combustion efficiency be can reach, contaminant concentration and the purpose that prolongs engine life reduced.
In sum, the water supply auxiliary device of the internal combustion engine of the utility model has following advantage:
(a) the water supply auxiliary device of the utility model internal combustion engine can be installed in the automobile that has dispatched from the factory, and its installing formality is quite easy, increases engine combustion efficient and reach, the purpose that reduces emission concentration and prolong this car engine life-span; And
(b) the constant ignition method that provided of the internal combustion engine water supply auxiliary device of the utility model can make the better completing combustion of car engine, thereby reaches the hydrocarbon that reduces exhaust and the purpose of carbonomonoxide concentration.
Claims (7)
1, a kind of internal-combustion engine water supply auxiliary device is mainly used in gasoline engine, and this gasoline engine connects with the water supply auxiliary device by an Exhaust gas recirculation device, it is characterized in that comprising:
One water supply installation is to be communicated to this Exhaust gas recirculation device (24) and its inner stored aqueous solution can be supplied in this Exhaust gas recirculation device (24); And
One computer control unit, the keying of this water supply installation of its may command is to transfer to the suitable water yield in this Exhaust gas recirculation device (24), and wherein the water yield of this transmission can be imported in this gasoline engine simultaneously with the waste gas that this gasoline engine is discharged.
2, by the described internal-combustion engine water supply auxiliary of claim 1 device, it is characterized in that this water supply installation includes a large water tank (12) and a little water tank (14), both are communicated with by feed water pump (32), this little water tank (14) is connected with a conduit pipe (16), this conduit pipe (16) is connected in this Exhaust gas recirculation device (24), and this conduit pipe is provided with a control valve (18).
3,, it is characterized in that including in this water supply installation the water regulator (20) of a hand adjustment by the described internal-combustion engine water supply auxiliary of claim 1 device.
4, by the described internal-combustion engine water supply auxiliary of claim 1 device, it is characterized in that this computer control unit system can be according to the storage water yield of water supply installation, the temperature of this gasoline engine, and the running speed of this gasoline engine and control the output of the current of this water supply installation.
5, by the described internal-combustion engine water supply auxiliary of claim 1 device, it is characterized in that working as the water level of this water supply installation greater than a water level settings value, the temperature of this gasoline engine is greater than an engine temperature setting value, and this engine speed is during greater than an engine speed setting value, and this computer control unit transfers to an exportable electric signal in this Exhaust gas recirculation device (24) with the suitable water yield to open this control gear.
6, by the described internal-combustion engine water supply auxiliary of claim 1 device, it is characterized in that including in this water supply installation a linear control valve, this linear control valve system can be according to the temperature of this gasoline engine with its running speed and appropriate change valve port size.
7, by the described internal-combustion engine water supply auxiliary of claim 1 device, it is characterized in that this computer control unit can be provided with a voltage pulse producer (42), this voltage pulse device producer (42) is the ignition mechanism that is connected to this gasoline engine, and this voltage pulse producer (42) is the combustion-assistant ignition pulse that can add a plurality of periodicity between original firing pulse of this ignition mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96209028 CN2270815Y (en) | 1996-04-25 | 1996-04-25 | Water supply supplementary device for internal-combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96209028 CN2270815Y (en) | 1996-04-25 | 1996-04-25 | Water supply supplementary device for internal-combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2270815Y true CN2270815Y (en) | 1997-12-17 |
Family
ID=33892791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96209028 Expired - Fee Related CN2270815Y (en) | 1996-04-25 | 1996-04-25 | Water supply supplementary device for internal-combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2270815Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937253B (en) * | 2012-11-20 | 2018-10-09 | 秘方能源私人有限公司 | Inside for internal combustion engine cools down gas recirculation system and its method |
-
1996
- 1996-04-25 CN CN 96209028 patent/CN2270815Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104937253B (en) * | 2012-11-20 | 2018-10-09 | 秘方能源私人有限公司 | Inside for internal combustion engine cools down gas recirculation system and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |