CN109624696B - Closed fuel system - Google Patents
Closed fuel system Download PDFInfo
- Publication number
- CN109624696B CN109624696B CN201910072070.0A CN201910072070A CN109624696B CN 109624696 B CN109624696 B CN 109624696B CN 201910072070 A CN201910072070 A CN 201910072070A CN 109624696 B CN109624696 B CN 109624696B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- baffle
- fuel tank
- rack
- driving
- 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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- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000013589 supplement Substances 0.000 claims abstract 2
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03105—Fuel tanks with supplementary interior tanks inside the fuel tank
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/035—Fuel tanks characterised by venting means
- B60K15/03504—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems
- B60K2015/03514—Fuel tanks characterised by venting means adapted to avoid loss of fuel or fuel vapour, e.g. with vapour recovery systems with vapor recovery means
Abstract
The invention relates to a closed fuel system, which comprises a fuel tank, a gas storage tank and a filling pipe, wherein a pressure liquid level sensor is arranged in the fuel tank, the fuel tank is connected with a first pipeline communicated with the gas storage tank and used for high-pressure exhaust and a second pipeline for low-pressure air supplement, the bottom of the gas storage tank is provided with a buoyancy switch, the buoyancy switch is connected with a third pipeline communicated with the fuel tank, the first pipeline and the second pipeline are jointly provided with a gas pump, a reversing device for switching the gas pump to be communicated with different pipelines is arranged on the first pipeline and the second pipeline, and one ends of the first pipeline and the second pipeline close to the fuel tank are respectively provided with an electromagnetic valve. According to the invention, a reliable closed system is established, a high-pressure buffer storage tank is added, steam in the fuel system is collected in time, the fuel tank is timely supplemented with air or exhausted according to the change of the pressure in the fuel tank, and all the steam is stored in the high-pressure buffer storage tank, so that recycling is realized.
Description
Technical Field
The invention relates to the technical field of fuel systems, in particular to a closed fuel system.
Background
At present, the new energy automobile mainly comprises a hybrid electric automobile, a pure electric automobile and a fuel cell automobile, wherein the hybrid electric automobile becomes a priority development project of various automobile manufacturers due to high technical maturity, and the plug-in hybrid electric automobile and the extended range electric automobile become the development direction of the new energy automobile because of lower comprehensive oil consumption and more flexible driving modes. However, the problem of fuel evaporation control under the long-time pure electric driving working condition of the hybrid electric vehicle is that the carbon tank can not be desorbed in time because the engine is not operated under the working condition, and the fuel tank is easy to saturate and lose efficacy because the fuel tank is continuously generated, so that the fuel evaporation emission exceeds the standard to cause fuel loss and environmental pollution.
Disclosure of Invention
In order to avoid and solve the technical problems, the invention provides a closed fuel system.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
the utility model provides a inclosed fuel system, includes fuel tank, gas storage tank, filling pipe, be equipped with pressure liquid level sensor in the fuel tank, the fuel tank is connected with the second pipeline that communicates with each other with the gas storage tank and be used for high-pressure exhaust first pipeline and low pressure air make-up, the bottom of gas storage tank is equipped with buoyancy switch, buoyancy switch is connected with the communicating third pipeline with the fuel tank, first pipeline and second pipeline are equipped with the gas pump jointly, switch the communicating reversing device of gas pump and different pipelines, the one end that first pipeline and second pipeline are close to the fuel tank all is equipped with the solenoid valve.
Further, the reversing device comprises a U-shaped pipe A connected with the inlet end of the gas pump, a U-shaped pipe B connected with the outlet end of the gas pump, a baffle A hinged to the middle of the U-shaped pipe A, a baffle B hinged to the middle of the U-shaped pipe B, and an opening and closing plate, wherein the upper end face of the opening and closing plate is tightly attached to the bottom of the U-shaped pipe B, and the lower end face of the opening and closing plate is tightly attached to the first pipeline and the second pipeline; the baffle A and the baffle B can swing, the opening and closing plate can move and enable the U-shaped pipe B to be communicated with different pipelines, and the baffle A, the baffle B and the opening and closing plate are connected with a driving mechanism.
Further, the opening and closing plate is provided with a first hole matched with the pipe orifice of the first pipeline and a second hole matched with the pipe orifice of the second pipeline.
Further, limiting blocks A matched with the baffle A are arranged at the two branch pipes of the U-shaped pipe A.
Further, limiting blocks B matched with the baffle B are arranged at two branch pipe positions of the U-shaped pipe B.
Further, the driving mechanism comprises a shell, a rack A and a rack B which are slidably arranged in the shell, a gear A which is engaged with the rack A and connected with the baffle A, a gear B which is engaged with the rack B and connected with the baffle B, a driving plate which is connected with the rack A and the rack B, a gear C which is slidably connected with the driving plate, a driving rack which is engaged with the gear C, an electric push rod of which the output end is connected with the driving rack, and a push plate which is fixed on the driving rack, is obliquely arranged downwards right and is slidably connected with the opening and closing plate.
Further, a bar-shaped hole is formed in the driving plate, and a driving column matched with the bar-shaped hole is arranged at the position, far away from the center of the circle, of the gear C.
Further, a strip-shaped slideway matched with the opening and closing plate is arranged on the push plate.
The beneficial effects of the invention are as follows: according to the invention, a reliable closed system is established, a high-pressure buffer storage tank is added, steam in the fuel system is collected in time, the fuel tank is timely supplemented with air or exhausted according to the change of the pressure in the fuel tank, all the steam is stored in the high-pressure buffer storage tank, recycling is realized, steam is prevented from leaking to the outside, and the environment is effectively protected; when the fuel is filled, air is prevented from entering the fuel tank, so that the safety of the refueling operation is ensured; and through setting up the switching-over device, improve the exhaust and the tonifying qi efficiency of this system.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the system components of the present invention;
FIG. 2 is a schematic diagram of the structural components of the reversing device of the present invention;
fig. 3 is a schematic structural diagram of a driving mechanism in the present invention.
Detailed Description
The present invention will be further described in the following to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present invention easy to understand.
As shown in fig. 1 to 3, a closed fuel system comprises a fuel tank 1, a gas storage tank 2 and a filling pipe 11, wherein a pressure liquid level sensor 4 is arranged in the fuel tank 1, the fuel tank 1 is connected with a first pipeline 5 communicated with the gas storage tank 2 and used for high-pressure exhaust and a second pipeline 6 used for low-pressure air supplementing, the bottom of the gas storage tank 2 is provided with a buoyancy switch 7, the buoyancy switch 7 is connected with a third pipeline 8 communicated with the fuel tank 1, the first pipeline 5 and the second pipeline 6 are jointly provided with a gas pump 9, a reversing device 3 used for switching the gas pump 9 to be communicated with different pipelines, and one ends, close to the fuel tank 1, of the first pipeline 5 and the second pipeline 6 are respectively provided with an electromagnetic valve 10.
The reversing device 3 comprises a U-shaped pipe A31 connected with the inlet end of the gas pump 9, a U-shaped pipe B32 connected with the outlet end, a baffle A33 hinged to the middle of the U-shaped pipe A31, a baffle B34 hinged to the middle of the U-shaped pipe B32, and an opening and closing plate 35 with the upper end face clung to the bottom of the U-shaped pipe B32 and the lower end face clung to the first pipeline 5 and the second pipeline 6; the baffle A33 and the baffle B34 can swing, the opening and closing plate 35 can move and enable the U-shaped pipe B32 to be communicated with different pipelines, and the baffle A33, the baffle B34 and the opening and closing plate 35 are connected with a driving mechanism 36. In this way, after the baffle A33 and the baffle B34 swing leftwards to the right, the first pipeline 5 is opened, the second pipeline 6 is closed, and the gas pump 9 works to realize quick exhaust; after the baffle A33 and the baffle B34 swing rightwards in place, the first pipeline 5 is closed, the second pipeline 6 is opened, and the gas pump 9 works to realize quick gas supplementing, so that the gas pump 9 can be used for multiple times, the utilization rate is improved, and the working efficiency is greatly improved.
The opening and closing plate 35 is provided with a first hole 35a matched with the pipe orifice of the first pipeline 5 and a second hole 35b matched with the pipe orifice of the second pipeline 6.
Limiting blocks A12 matched with the baffle A33 are arranged at two branch pipes of the U-shaped pipe A31. For fixing the position of the shutter a 33.
And limiting blocks B13 matched with the baffle B34 are arranged at the two branch pipes of the U-shaped pipe B32. For fixing the position of the shutter B34.
The driving mechanism 36 comprises a shell 361, a rack A362 and a rack B363 which are slidably arranged in the shell 361, a gear A364 which is engaged with the rack A362 and is connected with the baffle A33, a gear B365 which is engaged with the rack B363 and is connected with the baffle B34, a driving plate 366 which is connected with the rack A362 and the rack B363, a gear C367 which is slidably connected with the driving plate 366, a driving rack 368 which is engaged with the gear C367, an electric push rod 369 which is connected with the driving rack 368 at the output end, and a push plate 368a which is fixed on the driving rack 368, is obliquely arranged downwards right and is slidably connected with the opening and closing plate 35.
The driving plate 366 is provided with a bar-shaped hole 366a, and the gear C367 is provided with a driving column 367a matched with the bar-shaped hole 366a at a position far away from the center of the circle.
The pushing plate 368a is provided with a strip-shaped slideway 368b matched with the opening and closing plate 35.
The pressure liquid level sensor 4, the electric push rod 369, the gas pump 9 and the electromagnetic valve 10 are all connected with the whole vehicle control system through connecting wires. The control work of each part is realized.
The operation of the present invention will be further described.
When the fuel is filled, after the fuel enters the fuel tank 1 through the filling pipe 11, the internal pressure is increased, the measured data of the pressure liquid level sensor 4 are opened, the electromagnetic valve 10 on the first pipeline 5 is opened, the pressure enters the right branch pipe of the U-shaped pipe B32 through the first hole 35a, the pressure enters the gas storage tank 2 from the right branch pipe of the U-shaped pipe A31, the air supplementing is realized, the gas pump 9 is started in the process, steam is rapidly pumped into the gas storage tank 2, meanwhile, the pressure liquid level sensor 4 records liquid level data, after the rated volume is reached, the gas pump 9 stops working, the fuel liquid level in the filling pipe 11 rises to reach the sensing port of the filling gun, and the filling gun is closed.
In the running process of the automobile, the internal pressure of the fuel tank 1 is increased, the exhaust process is the same as that of the fuel filling process, the pressure in the fuel tank 1 is ensured to be in a working range, when the ambient temperature is reduced, fuel vapor in the gas storage tank 2 is condensed into liquid, when the liquid is gathered to a certain amount, the buoyancy switch 7 is opened, and the liquid flows back into the fuel tank 1 through the third pipeline 8; when the pressure in the fuel tank 1 is lower than the working pressure, the electromagnetic valve 10 on the second pipeline 6 is opened, at the moment, the output end of the electric push rod 369 moves downwards to push the driving rack 368 to move downwards, so that the gear C367 rotates clockwise, the driving plate 366 moves rightwards through the driving column 367a, the rack A362 drives the gear A364 to rotate anticlockwise, the baffle A33 swings to close the right branch pipe of the U-shaped pipe A31 to open the left branch pipe, the rack B363 drives the gear B365 to rotate clockwise, the baffle B34 swings to close the right branch pipe of the U-shaped pipe B32 to open the left branch pipe, the push plate 368a pushes the opening and closing plate 35 to move rightwards through the strip-shaped slide way 368B, the second hole 35B is communicated with the second pipeline 6, the first pipeline 5 is closed, the gas pump 9 is started, and the quick gas supplementing of the fuel tank 1 is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A closed fuel system comprising a fuel tank (1), a gas storage tank (2), a filler pipe (11), characterized in that: the fuel tank is characterized in that a pressure liquid level sensor (4) is arranged in the fuel tank (1), the fuel tank (1) is connected with a first pipeline (5) communicated with a gas storage tank (2) and used for high-pressure exhaust and a second pipeline (6) used for low-pressure air supplement, the bottom of the gas storage tank (2) is provided with a buoyancy switch (7), the buoyancy switch (7) is connected with a third pipeline (8) communicated with the fuel tank (1), the first pipeline (5) and the second pipeline (6) are jointly provided with a gas pump (9), a reversing device (3) for switching the gas pump (9) to be communicated with different pipelines, and one ends, close to the fuel tank (1), of the first pipeline (5) and the second pipeline (6) are respectively provided with an electromagnetic valve (10); the reversing device (3) comprises a U-shaped pipe A (31) connected with the inlet end of the gas pump (9) and a U-shaped pipe B (32) connected with the outlet end, a baffle A (33) hinged to the middle part of the U-shaped pipe A (31), a baffle B (34) hinged to the middle part of the U-shaped pipe B (32), and an opening and closing plate (35) with the upper end face clung to the bottom of the U-shaped pipe B (32) and the lower end face clung to the first pipeline (5) and the second pipeline (6); the baffle A (33) and the baffle B (34) can swing, the opening and closing plate (35) can move and enable the U-shaped pipe B (32) to be communicated with different pipelines, and the baffle A (33), the baffle B (34) and the opening and closing plate (35) are connected with a driving mechanism (36); the opening and closing plate (35) is provided with a first hole (35 a) matched with the pipe orifice of the first pipeline (5) and a second hole (35 b) matched with the pipe orifice of the second pipeline (6); limiting blocks A (12) matched with the baffle A (33) are arranged at two branch pipes of the U-shaped pipe A (31).
2. A closed fuel system according to claim 1, wherein: limiting blocks B (13) matched with the baffle B (34) are arranged at two branch pipes of the U-shaped pipe B (32).
3. A closed fuel system according to claim 1, wherein: the driving mechanism (36) comprises a shell (361), a rack A (362) and a rack B (363) which are slidably mounted in the shell (361), a gear A (364) which is meshed with the rack A (362) and connected with the baffle A (33), a gear B (365) which is meshed with the rack B (363) and connected with the baffle B (34), a driving plate (366) which is connected with the rack A (362) and the rack B (363), a gear C (367) which is slidably connected with the driving plate (366), a driving rack (368) which is meshed with the gear C (367), an electric push rod (369) which is connected with the driving rack (368) at the output end, and a push plate (368 a) which is obliquely arranged downwards right and is slidably connected with the opening and closing plate (35) which is fixed on the driving rack (368).
4. A closed fuel system according to claim 3, wherein: the driving plate (366) is provided with a strip-shaped hole (366 a), and a driving column (367 a) matched with the strip-shaped hole (366 a) is arranged on the gear C (367) far away from the center of the circle.
5. A closed fuel system according to claim 3, wherein: the pushing plate (368 a) is provided with a strip-shaped slideway (368 b) matched with the opening and closing plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072070.0A CN109624696B (en) | 2019-01-25 | 2019-01-25 | Closed fuel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910072070.0A CN109624696B (en) | 2019-01-25 | 2019-01-25 | Closed fuel system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109624696A CN109624696A (en) | 2019-04-16 |
| CN109624696B true CN109624696B (en) | 2024-01-05 |
Family
ID=66063660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910072070.0A Active CN109624696B (en) | 2019-01-25 | 2019-01-25 | Closed fuel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109624696B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142971B (en) * | 2022-07-26 | 2023-12-29 | 东风小康汽车有限公司重庆分公司 | Fuel control method and system for range-extended automobile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990016560A (en) * | 1997-08-18 | 1999-03-15 | 정몽규 | Evaporative Gas Discharge Device for Fuel Injection |
| US6463965B1 (en) * | 1998-11-23 | 2002-10-15 | Siemens Ag | Arrangement for storing fuel and method for operating a fuel tank |
| CN101201033A (en) * | 2006-12-12 | 2008-06-18 | 现代自动车株式会社 | System for automatically changing fuel passages |
| CN106795834A (en) * | 2014-09-01 | 2017-05-31 | 爱三工业株式会社 | Evaporated fuel treating apparatus |
| CN107076062A (en) * | 2014-09-24 | 2017-08-18 | 伊顿公司 | Electric control fuel system module |
| CN107084077A (en) * | 2016-02-15 | 2017-08-22 | 浜名湖电装株式会社 | Evaporated fuel treating apparatus |
| CN209566792U (en) * | 2019-01-25 | 2019-11-01 | 左强 | A kind of closed fuel system |
-
2019
- 2019-01-25 CN CN201910072070.0A patent/CN109624696B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990016560A (en) * | 1997-08-18 | 1999-03-15 | 정몽규 | Evaporative Gas Discharge Device for Fuel Injection |
| US6463965B1 (en) * | 1998-11-23 | 2002-10-15 | Siemens Ag | Arrangement for storing fuel and method for operating a fuel tank |
| CN101201033A (en) * | 2006-12-12 | 2008-06-18 | 现代自动车株式会社 | System for automatically changing fuel passages |
| CN106795834A (en) * | 2014-09-01 | 2017-05-31 | 爱三工业株式会社 | Evaporated fuel treating apparatus |
| CN107076062A (en) * | 2014-09-24 | 2017-08-18 | 伊顿公司 | Electric control fuel system module |
| CN107084077A (en) * | 2016-02-15 | 2017-08-22 | 浜名湖电装株式会社 | Evaporated fuel treating apparatus |
| CN209566792U (en) * | 2019-01-25 | 2019-11-01 | 左强 | A kind of closed fuel system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109624696A (en) | 2019-04-16 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201207 Address after: 267 guandoumen Road, Jiujiang District, Wuhu City, Anhui Province 241000 Applicant after: Anhui Power System Co.,Ltd. Address before: Room 401, Unit 1, Unit 56, Yiyuan, Dongfanghongjun, Jiujiang District, Wuhu City, Anhui Province Applicant before: Zuo Qiang Applicant before: Zhu Chao |
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