CN203321721U - Cold start device of methanol automobile - Google Patents
Cold start device of methanol automobile Download PDFInfo
- Publication number
- CN203321721U CN203321721U CN2013202912099U CN201320291209U CN203321721U CN 203321721 U CN203321721 U CN 203321721U CN 2013202912099 U CN2013202912099 U CN 2013202912099U CN 201320291209 U CN201320291209 U CN 201320291209U CN 203321721 U CN203321721 U CN 203321721U
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- methanol
- cold start
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- gasoline
- start device
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Abstract
The utility model provides a cold start device of a methanol automobile. The cold start device of the methanol automobile comprises a methanol fuel tank, a methanol fuel pump, a first fuel inlet pipe, a gasoline fuel tank, a gasoline fuel pump, a second fuel inlet pipe and a fuel rail assembly. The cold start device of the methanol automobile further comprises a tee joint and a fuel return pipe, wherein the tee joint comprises a first port, a second port and a third port. The methanol fuel tank is connected to the first port of the tee joint through the methanol fuel pump and the first fuel inlet pipe, the gasoline fuel tank is connected to the second port of the tee joint through the gasoline fuel pump and the second fuel inlet pipe, and the third port of the tee joint is connected to one end of the fuel rail assembly. The fuel return pipe is arranged between the methanol fuel tank and the other end of the fuel rail assembly. Through the adoption of the cold start device of the methanol automobile, the structure of an engine does not need to be changed when a common automobile is refitted into a methanol automobile, refitting cost is reduced, and the cold start problem of the methanol automobile can be solved.
Description
Technical field
The utility model is about the new-energy automobile field, and particularly about a kind of cold start device of methanol automobile.
Background technique
Methyl alcohol is commonly called as " another name for " or " another name for ", with methyl alcohol, replaces petroleum fuel to apply for many years abroad, and methanol vehicle control system technology is all very ripe.
Due to the petroleum resources anxiety, in order to guarantee national energy security, develop the alternative energy of cleaning type in recent years, methanol vehicle has become the project that state key is paid close attention to.
The aboundresources of methyl alcohol, can regenerate, and belongs to the energy of living beings.Use methyl alcohol on automobile, can improve the octane value of fuel, increase oxygen content, make the vehicle cylinder internal combustion more complete, can reduce the discharge of the pest of tail gas.Country has carried out the pilot work of methanol vehicle at present.
Methanol vehicle is converted by general-utility car usually.But because the methyl alcohol latent heat of vaporization is large, more difficult gasification under low temperature condition, so the emphasis of methanol vehicle exploitation is to solve its cold start-up problem.
Existing methanol vehicle, in order to guarantee the cold starting performance of vehicle, generally all is designed to the structure of the two oily rails of two fuel tanks, so that can adopt gasoline when starting, thus make it there is the low-temperature cool starting ability of gasoline automobile.But adopt the structure of two oily rails to change air intake manifold of automotive engine when repacking, also need to carry out relevant intake duct analysis, difficulty is larger, is equivalent to again develop a motor, and the construction cycle is long and cost is higher.
The model utility content
For the problems referred to above, the purpose of this utility model is to provide a kind of cold start device of methanol automobile, thereby does not need to change the structure of motor when general-utility car is adapted as to methanol vehicle, reduces the repacking cost, and can solve the cold start problem of methanol vehicle.
The utility model provides a kind of cold start device of methanol automobile, comprise methyl alcohol fuel tank, methyl alcohol oil pump, the first oil inlet pipe, gasoline fuel tank, gasoline oil pump, the second oil inlet pipe, and oily rail assembly, described cold start device of methanol automobile also comprises threeway, and return tube; Described threeway comprises the first port, the second port and the 3rd port; Described methyl alcohol fuel tank is connected to the first port of described threeway by methyl alcohol oil pump and the first oil inlet pipe, described gasoline fuel tank is connected to the second port of described threeway by gasoline oil pump and the second oil inlet pipe, the 3rd port of described threeway is connected to an end of described oily rail assembly; Described return tube is arranged between the other end of described methyl alcohol fuel tank and described oily rail assembly.
In an embodiment of the present utility model, be provided with the first one-way valve on aforesaid the first oil inlet pipe, described the first one-way valve is opened towards described threeway.
In an embodiment of the present utility model, be provided with the second one-way valve on aforesaid the second oil inlet pipe, described the second one-way valve is opened towards described threeway.
In an embodiment of the present utility model, between aforesaid return tube and described oily rail assembly, also be provided with electrically-controlled valve.
In an embodiment of the present utility model, aforesaid electrically-controlled valve is controlled by the ECU of methanol vehicle.
In an embodiment of the present utility model, aforesaid methyl alcohol oil pump and described gasoline oil pump are controlled by the ECU of methanol vehicle.
In an embodiment of the present utility model, the end that aforesaid oily rail assembly is communicated with threeway also is provided with the oil product sensor.
The beneficial effects of the utility model are, adopt the utility model embodiment's cold start device of methanol automobile, while repacking general-utility car into methanol vehicle, without motor is carried out to structural modification, only need to get final product with the contacted engine component change of methanol fuel material.Motor adopts the structure of single oily rail, and methanol fuel and gasoline share a set of oily rail assembly, by increasing solenoid valve and return tube, solves vehicle starting problem again.At first judge ambient temperature during starting, can adopt the methyl alcohol starting when ambient temperature meets, otherwise adopt the gasoline starting.Can make so the as far as possible methanol fuels that use of methanol vehicle more, reduce customer using cost.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other objects, features and advantages of the present utility model can be become apparent, below especially exemplified by embodiment, and the cooperation accompanying drawing, be described in detail as follows.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model cold start device of methanol automobile preferred embodiment.
Embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined model utility purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof to the cold start device of methanol automobile according to the utility model proposes are described in detail as follows:
Relevant aforementioned and other technology contents of the present utility model, Characteristic can be known and present in the following detailed description coordinated with reference to graphic preferred embodiment.Explanation by embodiment, when can be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model, yet appended graphic only being to provide with reference to the use with explanation, not be used for the utility model is limited.
Refer to Fig. 1, the utility model embodiment's cold start device of methanol automobile comprises methyl alcohol fuel tank 10, methyl alcohol oil pump 12, the first oil inlet pipe 14, gasoline fuel tank 20, gasoline oil pump 22, the second oil inlet pipe 24, threeway 3, oily rail assembly 4, and return tube 5.
Methyl alcohol fuel tank 10 is for storing methanol fuel.Gasoline fuel tank 20 is for storing gasoline.
Methyl alcohol fuel tank 10 is connected to a port of threeway 3 by methyl alcohol oil pump 12 and the first oil inlet pipe 14, gasoline fuel tank 20 is connected to second port of threeway 3 by gasoline oil pump 22 and the second oil inlet pipe 24, the 3rd port of threeway 3 is connected to an end of oily rail assembly 4 by transport pipe 40.
Be respectively arranged with one- way valve 16 and 26 on the first oil inlet pipe 14 and the second oil inlet pipe 24, one- way valve 16 and 26 all only can be opened towards threeway 3.
Oil rail assembly 4 comprises some oil sprayers 42, and the end be communicated with threeway 3 at oily rail assembly 4 is provided with oil product sensor 44, at the other end of oily rail assembly 4, also is provided with the electrically-controlled valve 46 that this end of oily rail assembly 4 can be sealed.
Return tube 5 is arranged between electrically-controlled valve 46 and methyl alcohol fuel tank 10.
Methyl alcohol oil pump 12, gasoline oil pump 22, and electrically-controlled valve 46 all is subject to the control of automobile ECU (not shown).
When the cold-starting automobile of the cold start device of methanol automobile of applying the utility model embodiment, electrically-controlled valve 46 is closed, and methyl alcohol oil circuit and gasoline passage are all without return line.Judge it is to adopt methyl alcohol by ECU according to ambient temperature, still adopt gasoline to be started.Ambient temperature can be measured by the temperature transducer (not shown) be arranged on automobile.When ambient temperature, during higher than 10 degrees centigrade, the starting of ECU acquiescence methyl alcohol, start methyl alcohol oil pump 12, and the methanol fuels in methyl alcohol fuel tank 10 flow to oily rail assembly 4 by one-way valve 16 and threeway 3, make automotive ignition work.When ambient temperature, during lower than 10 degrees centigrade, ECU adopts the gasoline starting, starts gasoline oil pump 22, and the gasoline in gasoline fuel tank 20 flow to oily rail assembly 4 by one-way valve 26 and threeway 3, make the automobile normal ignition.After engine operation is normal, close gasoline oil pump 22 by ECU, start methyl alcohol oil pump 12, the methanol fuel in methyl alcohol fuel tank 10 flows to oily rail assembly 4 and normally to motor, supplies methanol fuel by one-way valve 16 and threeway 3.
The control procedure that the automobile of application the utility model embodiment's cold start device of methanol automobile starts again is as follows.After automobile flameout, control electrically-controlled valve 46 by ECU and open, close methyl alcohol oil pump 12, start 22 work a period of times of gasoline oil pump, in order to residual methanol fuel in oily rail assembly 4 is pushed back in methyl alcohol fuel tank 10, make to be full of gasoline in oily rail assembly 4, be convenient to automobile and start smoothly for the second time.Control electrically-controlled valve 46 by ECU, make and just flow through electrically-controlled valve 46 when gasoline that gasoline oil pump 22 pumps into and the surface of contact of the methanol fuel in oily rail assembly 4, close electrically-controlled valve 46, so that the least possible gasoline enters in the methyl alcohol fuel tank.
Adopt the utility model embodiment's cold start device of methanol automobile, while repacking general-utility car into methanol vehicle, without motor is carried out to structural modification, only need to get final product with the contacted engine component change of methanol fuel material.Motor adopts the structure of single oily rail, and methanol fuel and gasoline share a set of oily rail assembly, by increasing solenoid valve and return tube, solves vehicle starting problem again.At first judge ambient temperature during starting, can adopt the methyl alcohol starting when ambient temperature meets, otherwise adopt the gasoline starting.Can make so the as far as possible methanol fuels that use of methanol vehicle more, reduce customer using cost.
The above, only embodiment of the present utility model, not the utility model is done to any pro forma restriction, although the utility model discloses as above with embodiment, yet not in order to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, any simple modification of above embodiment being done according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a cold start device of methanol automobile, comprise methyl alcohol fuel tank (10), methyl alcohol oil pump (12), the first oil inlet pipe (14), gasoline fuel tank (20), gasoline oil pump (22), the second oil inlet pipe (24), and oily rail assembly (4), it is characterized in that, described cold start device of methanol automobile also comprises threeway (3), and return tube (5); Described threeway (3) comprises the first port, the second port and the 3rd port; Described methyl alcohol fuel tank (10) is connected to the first port of described threeway (3) by methyl alcohol oil pump (12) and the first oil inlet pipe (14), described gasoline fuel tank (20) is connected to the second port of described threeway (3) by gasoline oil pump (22) and the second oil inlet pipe (24), the 3rd port of described threeway (3) is connected to an end of described oily rail assembly (4); Described return tube (5) is arranged between the other end of described methyl alcohol fuel tank (10) and described oily rail assembly (4).
2. cold start device of methanol automobile as claimed in claim 1, is characterized in that, is provided with the first one-way valve (16) on described the first oil inlet pipe (14), and described the first one-way valve (16) is opened towards described threeway (3).
3. cold start device of methanol automobile as claimed in claim 1, is characterized in that, is provided with the second one-way valve (26) on described the second oil inlet pipe (24), and described the second one-way valve (26) is opened towards described threeway (3).
4. cold start device of methanol automobile as claimed in claim 1, is characterized in that, between described return tube (5) and described oily rail assembly (4), also is provided with electrically-controlled valve (46).
5. cold start device of methanol automobile as claimed in claim 4, is characterized in that, described electrically-controlled valve (46) is controlled by the ECU of methanol vehicle.
6. cold start device of methanol automobile as claimed in claim 1, is characterized in that, described methyl alcohol oil pump (12) and described gasoline oil pump (22) are controlled by the ECU of methanol vehicle.
7. cold start device of methanol automobile as claimed in claim 1, is characterized in that, the end that described oily rail assembly (4) is communicated with threeway (3) also is provided with oil product sensor (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202912099U CN203321721U (en) | 2013-05-23 | 2013-05-23 | Cold start device of methanol automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202912099U CN203321721U (en) | 2013-05-23 | 2013-05-23 | Cold start device of methanol automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203321721U true CN203321721U (en) | 2013-12-04 |
Family
ID=49661079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202912099U Expired - Lifetime CN203321721U (en) | 2013-05-23 | 2013-05-23 | Cold start device of methanol automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203321721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223200A (en) * | 2017-12-14 | 2018-06-29 | 湖南吉利汽车部件有限公司 | A kind of system and diagnostic method for supporting fuel vaporization leakage diagnosis |
-
2013
- 2013-05-23 CN CN2013202912099U patent/CN203321721U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223200A (en) * | 2017-12-14 | 2018-06-29 | 湖南吉利汽车部件有限公司 | A kind of system and diagnostic method for supporting fuel vaporization leakage diagnosis |
| CN108223200B (en) * | 2017-12-14 | 2020-04-21 | 湖南吉利汽车部件有限公司 | System supporting fuel evaporation leakage diagnosis and diagnosis method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |