CN202115334U - Vehicle fuel tank system - Google Patents
Vehicle fuel tank system Download PDFInfo
- Publication number
- CN202115334U CN202115334U CN2011201780943U CN201120178094U CN202115334U CN 202115334 U CN202115334 U CN 202115334U CN 2011201780943 U CN2011201780943 U CN 2011201780943U CN 201120178094 U CN201120178094 U CN 201120178094U CN 202115334 U CN202115334 U CN 202115334U
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- CN
- China
- Prior art keywords
- normally closed
- pipe
- communicated
- solenoid valve
- closed solenoid
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a vehicle fuel tank system, which comprises a fuel tank, a fuel inlet pipe, an exhaust pipe, a fuel filler, a fuel filler cover, a normally closed electromagnetic valve, a central processing unit and a sensor. The fuel filler cover is capable of closing or opening the fuel filler; one end of the fuel inlet pipe and one end of the exhaust pipe are communicated with the fuel tank; the other end of the fuel inlet pipe and the other end of the exhaust pipe are communicated with the fuel filler; the sensor is capable of detecting opening of the fuel filler cover and is electrically connected with the central processing unit; the central processing unit is electrically connected with the normally closed electromagnetic valve; the normally closed electromagnetic valve is controlled by the central processing unit to be powered off and closed after being on for a set time; a port of the normally closed electromagnetic valve is communicated with the exhaust pipe; and another port of the normally closed electromagnetic valve is communicated with the fuel inlet pipe. The vehicle fuel tank system is capable of preventing fuels from blocking the exhaust pipe and ensuring normal fuel filling.
Description
Technical field
The utility model relates to a kind of oil tank of vehicle system.
Background technology
The fuel tank operated by rotary motion of automobile is below body platform, and oil filling port is arranged on vehicle body side.Link to each other with freeing pipe through oil inlet between oil filling port and the fuel tank; One end of oil inlet and the bottom of fuel tank or link to each other near the place of bottom; One end of freeing pipe and the top of fuel tank or link to each other near the place at top, the other end of oil inlet and freeing pipe all links to each other with oil filling port.During oiling, fuel oil enters into fuel tank from oil inlet, and the air in the fuel tank is discharged from freeing pipe simultaneously.When fuel tank IFO intermediate fuel oil liquid level was higher than the connection location of freeing pipe and fuel tank, fuel tank internal upper part space was closed, and the air in the fuel tank can't be discharged again, and fuel oil can not be added in the fuel tank again.Oil inlet and freeing pipe all are hard tube usually, can select plastic rigid pipe or metal hard tube for use.
Because car load layout aspect, there is one section aspect ratio freeing pipe lower in the freeing pipe usually with the connection location of fuel tank, therefore, the interior fuel oil of fuel tank possibly enter into freeing pipe and rest on the highly lower place of freeing pipe.If the fuel oil that rests in the freeing pipe is too much, then possibly stop up freeing pipe, the degassing function that causes freeing pipe to bring into normal play causes the oiling of next time normally to carry out.
The utility model content
The utility model stops up freeing pipe for solving fuel oil in the above-mentioned freeing pipe, cause the problem of the degassing function that freeing pipe can't bring into normal play; A kind of oil tank of vehicle system is provided; This oil tank of vehicle system can avoid fuel oil to stop up freeing pipe, guarantees to refuel in proper working order carrying out.
The oil tank of vehicle system of the utility model; Comprise: fuel tank, oil inlet, freeing pipe, oil filling port and can seal or open the hydraulic fluid port lid of oil filling port; One end of oil inlet and freeing pipe is communicated with fuel tank; The other end of oil inlet and freeing pipe is communicated with oil filling port; The position that the position that freeing pipe is communicated with fuel tank is communicated with fuel tank than oil inlet is high, and wherein, said oil tank of vehicle system also comprises normally closed solenoid valve, central processing unit and can detect the sensor that the hydraulic fluid port lid is opened; Normally closed solenoid valve be provided with two ports of electric back mutual conduction; Sensor is electrically connected with central processing unit and when the hydraulic fluid port lid is opened, sends opening signal to central processing unit, and central processing unit is electrically connected and after receiving said opening signal, controls normally closed solenoid valve and must conduct with normally closed solenoid valve, and central processing unit controls normally closed solenoid valve dead electricity was closed after the normally closed solenoid valve conducting reached setting-up time; A port of normally closed solenoid valve is communicated with freeing pipe in its lowest position of freeing pipe, and another port of normally closed solenoid valve is communicated with fuel filler pipe in the lower position of extreme lower position of the ratio freeing pipe of fuel filler pipe.
Further; Said oil tank of vehicle system also comprises vertically or last connection pipe that is in tilted layout and following connection pipe vertical or that be in tilted layout; The upper end of last connection pipe is communicated with freeing pipe in its lowest position of freeing pipe; The lower end of last connection pipe is communicated with a port of normally closed solenoid valve, and the upper end of following connection pipe is communicated with another port of normally closed solenoid valve, and the lower end of following connection pipe is communicated with fuel filler pipe in the lower position of extreme lower position of the ratio freeing pipe of fuel filler pipe.
Further; Said sensor is a Hall element; Said hydraulic fluid port covers magnetic part is installed, and Hall element is installed in the oil filling port place and in the face of said magnetic part, the distance between Hall element and the said magnetic part is in the distance of reaction scope of Hall element.
Further, said magnetic part is a magnet.
Further, the distance between Hall element and the magnetic part is between 5 millimeters-10 millimeters.
Further, said setting-up time is between 1 second to 4 seconds.
Further, said setting-up time is 3 seconds.
Further, said central processing unit is a micro controller system.
Further, the said connection pipe of going up is a straight tube with following connection pipe.
The beneficial effect of the utility model is: owing to be provided with normally closed solenoid valve, last connection pipe and following connection pipe, normally closed solenoid valve, last connection pipe and following connection pipe couple together oil inlet and freeing pipe.Because it is low that last connection pipe vertically or be in tilted layout, is therefore gone up the minimum altitude of aspect ratio freeing pipe of connection pipe, therefore if there is fuel oil to enter in the freeing pipe, fuel oil is to flow in the connection pipe earlier certainly.Normally closed solenoid valve is normally closed; When sensor is sent opening signal to central processing unit when hydraulic fluid port lid is opened; Central processing unit is sent the conducting order to normally closed solenoid valve and is made the normally closed solenoid valve conducting; After the normally closed solenoid valve conducting, the fuel oil that accumulates in the last connection pipe can flow in the oil inlet through normally closed solenoid valve and following connection pipe.Central processing unit was closed normally closed solenoid valve after the normally closed solenoid valve conducting reached setting-up time, at this moment not conducting between oil inlet and the freeing pipe.
Description of drawings
Fig. 1 is the structural principle scheme drawing of the oil tank of vehicle system of a kind of embodiment of the utility model;
Fig. 2 is the electric control principle scheme drawing of the oil tank of vehicle system of a kind of embodiment of the utility model.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that the specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As depicted in figs. 1 and 2; The oil tank of vehicle system of a kind of embodiment of the utility model; Comprise: fuel tank 1, oil inlet 2, freeing pipe 3, oil filling port 4 and can seal or open the hydraulic fluid port lid 5 of oil filling port 4; One end of oil inlet 2 and freeing pipe 3 is communicated with fuel tank 1; The other end of oil inlet 2 and freeing pipe 3 is communicated with oil filling port 4, and the position that freeing pipe 3 is communicated with fuel tank 1 is higher than the position that oil inlet 2 is communicated with fuel tank 1, wherein; Said oil tank of vehicle system also comprises normally closed solenoid valve 6, central processing unit 7, can detect sensor 8 that hydraulic fluid port lid 5 opens, vertically or the last connection pipe 9 and the following connection pipe 10 that are in tilted layout; Sensor 8 is electrically connected with central processing unit 7 and when hydraulic fluid port lid 5 is opened, sends opening signal to central processing unit 7, and central processing unit 7 is electrically connected and after receiving said opening signal, controls normally closed solenoid valve 6 and must conduct with normally closed solenoid valve 6, and central processing unit 7 control normally closed solenoid valves 6 dead electricity were closed after normally closed solenoid valve 6 conductings reached setting-up time; The upper end of last connection pipe 9 is communicated with freeing pipe 3 in its lowest position of freeing pipe 3; The lower end of last connection pipe 9 is communicated with a port of normally closed solenoid valve 6, and the upper end of following connection pipe 10 is communicated with another port of normally closed solenoid valve 6, and the lower end of following connection pipe 10 is communicated with oil inlet 2 in the lower position of the extreme lower position of the ratio freeing pipe 3 of oil inlet 2.
Normally closed solenoid valve 6 is provided with two ports, (when being normally closed solenoid valve 6 dead electricity) the not conductings each other usually of two ports, two ports normally closed solenoid valve 6 mutual conduction when electric.
The effect of hydraulic fluid port lid 5 is sealings or opens oil filling port 4, and hydraulic fluid port lid 5 is installed on the oil filling port 4 through being threaded.Sensor 8 can be selected for use and variously can detect the sensor that hydraulic fluid port lid 5 is opened, and preferably, sensor 8 be a Hall element, and hydraulic fluid port covers magnetic part (like magnet etc.) is installed on 5.Sensor 8 is installed in oil filling port 4 places and faces magnetic part; Distance between sensor 8 and the magnetic part is decided by the specification of Hall element; The Hall element of every kind of specification all has a cooresponding distance of reaction scope, and the distance between sensor 8 and the magnetic part is as long as in above-mentioned cooresponding distance of reaction scope.When hydraulic fluid port lid 5 is tightened in 4 last times of oil filling port, sensor 8 can be sensed hydraulic fluid port lid 5.As preferred embodiment a kind of, the distance between sensor 8 and the magnetic part is between 5 millimeters-10 millimeters, and sensor 8 can be selected the Hall element of corresponding specification for use.
Normally closed solenoid valve 6 is provided with two ports, the lower ends of port and last connection pipe 9, and another port links to each other with the upper end of following connection pipe 10.Under power failure state, not conducting between two ports of normally closed solenoid valve 6 is getting under the electricity condition conducting between two ports of normally closed solenoid valve 6.
Said setting-up time be according to generally accumulate in fluid in the connection pipe 9 how much and fixed, purpose is that the fluid in the connection pipe 9 can all be flow in the oil inlet 2.Preferably, said setting-up time is between 1 second to 4 seconds.Further preferred, said setting-up time is 3 seconds.
Preferably, last connection pipe 9 all is a straight tube with following connection pipe 10.Last connection pipe 9 and following connection pipe 10 are vertical or be in tilted layout; Last connection pipe 9 is extreme lower positions of freeing pipe 3 with the connection location of freeing pipe 3; Following connection pipe 10 is lower with the connection location of freeing pipe 3 than last connection pipe 9 with the connection location of oil inlet 2, and such purpose is for the fluid that accumulates in the connection pipe 9 can be flow in the oil inlet 2 under the effect of self gravitation more easily.
Central processing unit 7 is preferably used micro controller system.
Usually in the process of vehicle operating, the fuel oil in the fuel tank 1 possibly enter into freeing pipe 3, owing to normally closed solenoid valve 6 is closed, and by gravity, the fuel oil that enters into freeing pipe 3 can accumulate connection pipe 9.When needs refuel; Operating personal is backed out hydraulic fluid port lid 5; Sensor 8 detects hydraulic fluid port lid 5 and opens the back to central processing unit 7 transmission opening signals; Control normally closed solenoid valve 6 must conduct after central processing unit 7 received said opening signal, and after normally closed solenoid valve 6 conductings, the fuel oil that accumulates in the last connection pipe 9 just flows in the oil inlet 2 through normally closed solenoid valve 6 and following connection pipe 10; Usually going up the fuel oil that accumulates in the connection pipe 9 can be not too many, therefore after 1 second-3 seconds setting-up time of normally closed solenoid valve 6 conductings, basically just flows to oil inlet 2 fully and has suffered.In practical operation; Turning on hydraulic fluid port lid 5 from operating personal begins to refuel the general time of needs more than 4 seconds to putting nozzle well; Therefore when normal the oiling; Normally closed solenoid valve 6 is closed, and fuel oil can not occur and enter into the situation of freeing pipe 3 from oil inlet 2 through descending connection pipe 10, normally closed solenoid valve 6 and last connection pipe 9.
The above is merely the preferred embodiments of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. oil tank of vehicle system; Comprise: fuel tank, oil inlet, freeing pipe, oil filling port and can seal or open the hydraulic fluid port lid of oil filling port; One end of oil inlet and freeing pipe is communicated with fuel tank, and the other end of oil inlet and freeing pipe is communicated with oil filling port, and the position that freeing pipe is communicated with fuel tank is higher than the position that oil inlet is communicated with fuel tank; It is characterized in that
Said oil tank of vehicle system also comprises normally closed solenoid valve, central processing unit and can detect the sensor that the hydraulic fluid port lid is opened; Normally closed solenoid valve be provided with two ports of electric back mutual conduction; Sensor is electrically connected with central processing unit and when the hydraulic fluid port lid is opened, sends opening signal to central processing unit; Central processing unit is electrically connected and after receiving said opening signal, controls normally closed solenoid valve and must conduct with normally closed solenoid valve; Central processing unit controls normally closed solenoid valve dead electricity was closed after the normally closed solenoid valve conducting reached setting-up time; A port of normally closed solenoid valve is communicated with freeing pipe in its lowest position of freeing pipe, and another port of normally closed solenoid valve is communicated with fuel filler pipe in the lower position of extreme lower position of the ratio freeing pipe of fuel filler pipe.
2. oil tank of vehicle as claimed in claim 1 system; It is characterized in that; Said oil tank of vehicle system also comprises vertically or last connection pipe that is in tilted layout and following connection pipe vertical or that be in tilted layout; The upper end of last connection pipe is communicated with freeing pipe in its lowest position of freeing pipe; The lower end of last connection pipe is communicated with a port of normally closed solenoid valve, and the upper end of following connection pipe is communicated with another port of normally closed solenoid valve, and the lower end of following connection pipe is communicated with fuel filler pipe in the lower position of extreme lower position of the ratio freeing pipe of fuel filler pipe.
3. oil tank of vehicle as claimed in claim 1 system; It is characterized in that; Said sensor is a Hall element; Said hydraulic fluid port covers magnetic part is installed, and Hall element is installed in the oil filling port place and in the face of said magnetic part, the distance between Hall element and the said magnetic part is in the distance of reaction scope of Hall element.
4. oil tank of vehicle as claimed in claim 3 system is characterized in that said magnetic part is a magnet.
5. oil tank of vehicle as claimed in claim 3 system is characterized in that the distance between Hall element and the magnetic part is between 5 millimeters-10 millimeters.
6. oil tank of vehicle as claimed in claim 1 system is characterized in that said setting-up time is between 1 second to 4 seconds.
7. oil tank of vehicle as claimed in claim 6 system is characterized in that said setting-up time is 3 seconds.
8. oil tank of vehicle as claimed in claim 1 system is characterized in that said central processing unit is a micro controller system.
9. oil tank of vehicle as claimed in claim 2 system is characterized in that, the said connection pipe of going up is a straight tube with following connection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201780943U CN202115334U (en) | 2011-05-31 | 2011-05-31 | Vehicle fuel tank system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201780943U CN202115334U (en) | 2011-05-31 | 2011-05-31 | Vehicle fuel tank system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202115334U true CN202115334U (en) | 2012-01-18 |
Family
ID=45456425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201780943U Expired - Lifetime CN202115334U (en) | 2011-05-31 | 2011-05-31 | Vehicle fuel tank system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202115334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375634A (en) * | 2013-08-15 | 2015-02-25 | 通用汽车环球科技运作有限责任公司 | Access system for vehicle energy storage device with magnetic sensor |
-
2011
- 2011-05-31 CN CN2011201780943U patent/CN202115334U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375634A (en) * | 2013-08-15 | 2015-02-25 | 通用汽车环球科技运作有限责任公司 | Access system for vehicle energy storage device with magnetic sensor |
| CN104375634B (en) * | 2013-08-15 | 2017-09-08 | 通用汽车环球科技运作有限责任公司 | The entrance system for vehicle energy storage device with Magnetic Sensor |
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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: 20120118 |
|
| CX01 | Expiry of patent term |