CN207263261U - A kind of fuel level sensor and oil level measuring device for vehicle - Google Patents
A kind of fuel level sensor and oil level measuring device for vehicle Download PDFInfo
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- CN207263261U CN207263261U CN201721068136.1U CN201721068136U CN207263261U CN 207263261 U CN207263261 U CN 207263261U CN 201721068136 U CN201721068136 U CN 201721068136U CN 207263261 U CN207263261 U CN 207263261U
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- fuel
- level sensor
- oil
- fuel level
- level
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Abstract
The utility model provides a kind of fuel level sensor and oil level measuring device for vehicle, and fuel level sensor is used to measure the fuel level for entering fuel level sensor to measure the fuel level in fuel tank and export its corresponding electric signal according to the fuel level of measurement；Wherein, vehicle has display, and fuel level sensor is connected from the bottom of fuel tank along the opening that the fuel tank is extended to perpendicular to the direction of fuel tank bottom by sensor harness with display；And fuel level sensor along the height extended perpendicular to fuel tank bottom direction is more than the vertical height of fuel tank in this direction.Oil level measuring device includes fuel level sensor and matches the display of connection with fuel level sensor by sensor harness.The fuel level sensor assembly that the utility model solves fuel pump in the prior art easily bumps to fuel level sensor and its float in assembling process, causes fuel level sensor performance failure, oil level instrument to match the problem of existing abnormal.
Description
Technical field
A kind of field of measuring technique is the utility model is related to, more particularly to a kind of fuel level sensor and oil for vehicle
Level measuring arrangement.
Background technology
At present, the fuel pump in vehicle fuel tank is point-contact junction with the oil level float sensor in fuel level sensor assembly
Structure, it integrates with fuel pump and is assembled.But since the space of fuel tank needs to ensure the fortune of oil level float assembling
Dynamic envelope is without interference, and sensor is contact sensor, therefore, it is very easy to cause fuel pump band fuel level sensor general assembly
It is improper, cause sensor contacts bad or sensor failure, meanwhile, the float of fuel level sensor is easily by fuel tank abnormal vibrations
Influence, cause instrument to show phenomena such as inaccurate.
Therefore, existing fuel pump band fuel level sensor assembly problem present in assembling process has：First, in fuel tank
During assembly packing line, since manual operation fuel pump of taking is artificial with fuel level sensor assembly or in assembling process
Difference in operation, it is easy to the float of fuel level sensor and fuel level sensor is encountered, so as to influence the contact site of fuel level sensor
Bit loss is hindered, and causes fuel level sensor performance failure, and the matching of oil level instrument is abnormal；Second, in transportational process, fuel level sensor is very
Easily collide with, it is abnormal to influence fuel level sensor matching because transportational process is damaged for parts；The float of fuel level sensor needs only
Vertical mold developing, therefore, adds development cost of the fuel pump with fuel level sensor, so as to increase the development cost of project.
Utility model content
One purpose of the utility model is to provide for a kind of fuel level sensor for vehicle, to solve in the prior art
The fuel level sensor assembly of fuel pump easily bumps to fuel level sensor and its float in assembling process, causes fuel level sensor
It can fail, oil level instrument matches the problem of existing abnormal.
The utility model one senses further objective is that to solve fuel level sensor assembly oil level in transportational process
Device easily collides with so that parts damage, so that influencing fuel level sensor the problem of matching is abnormal occurs.
The utility model another further objective is that to reduce the mold developing of fuel level sensor float, to reduce combustion
The development cost of oil pump fuel level sensor.
Especially, the utility model provides a kind of fuel level sensor for vehicle, and the oil is entered for measuring
The fuel level of level sensor with the fuel level in fuel tank is measured and according to the fuel level of measurement export
Its corresponding electric signal；
Wherein, the vehicle has display, and the fuel level sensor is from the bottom of the fuel tank along perpendicular to institute
The direction for stating fuel tank bottom extends to the opening of the fuel tank, and is connected by sensor harness with the display；And
The fuel level sensor is more than the fuel tank along the height extended perpendicular to the fuel tank bottom direction
Vertical height in this direction.
Further, the fuel level sensor is in the form of a column formula structure, and is stretched out from the opening of the fuel tank.
Further, the fuel level sensor has acquisition module, for gathering the liquid level of fuel oil, and according to entrance
The capacitance that the fuel oil of acquisition module is formed produces corresponding with the oil level variable quantity with the oil level variable quantity of the fuel oil
Capacitance change exports electric signal and causes the display to show oil level according to the electric signal.
Further, the acquisition module includes housing and induction electrode, to enter the acquisition module in the fuel oil
Afterwards so that the capacitance between the housing and the induction electrode changes.
Further, the fuel level sensor has modular converter, is connected with the acquisition module, for by the capacitance
Variable quantity be converted into its corresponding electric signal, with the liquid level position according to the electrical signal detection in fuel tank and defeated
Go out to display so that the display is shown and the corresponding oil level value of the liquid level position；
Wherein, the electric signal that the capacitance change converts can be carried out linear temperature benefit by the modular converter
Repay, to reduce the error of measurement result or conversion results.
The utility model additionally provides a kind of oil level measuring device for vehicle, it includes the fuel level sensor,
It is characterized in that, the electric signal that the oil level measuring device can be exported according to the fuel level that the fuel level sensor measures
The liquid level in fuel tank is measured with realizing.
Further, the oil level measuring device includes display, it is with multiple oil level grades, with according to default
Make liquid level position described in the electrical signal detection of the fuel level sensor output with calibration and the display is shown and detection
The corresponding oil level grade of the liquid level position.
Further, the oil level measuring device further includes ring flange, arranged on the top of the fuel tank and is secured to
Connection；
Wherein, the ring flange has default distance with the fuel tank head, is opened so that stretching out the fuel tank
The port of the fuel level sensor of mouth can be connected by the sensor harness with the display.
Further, the fuel level sensor has power supply, and the top of the ring flange, which is equipped with, to be used to connect the oil level
The positive and negative anodes interface unit of sensor, the positive and negative anodes of the positive and negative anodes of the power supply respectively with the interface unit are connected, so that
The electric signal of the fuel level sensor output controls the display to show oil level corresponding with the liquid level position of the detection etc.
Level.
Further, the electric signal is current signal, voltage signal or digital signal.
The beneficial effects of the utility model can be：
First, the oil level measuring device for vehicle measures the liquid level in fuel tank by fuel level sensor, with
Obtain the fluid value in current fuel case.Since fuel level sensor is configured to from the bottom of fuel tank along perpendicular to fuel tank bottom
The direction in portion extends to the opening of fuel tank, and is connected with the display, therefore, because the design height of fuel level sensor is pressed
Set according to the height of fuel tank, therefore, after fuel oil enters fuel level sensor, liquid level and fuel tank in fuel level sensor
Interior liquid level flushes, and fuel level sensor is by the measurement of the fuel level to its inside so as to fulfill the survey to liquid level in fuel tank
Amount, and measurement result is converted into electric signal control display the oil level of current fluid level is shown.In this way, the and prior art
In there is float the scheme of fuel level sensor compare, the oil level measuring device of this programme, which is not present in assembling process, bumps to oil
Level sensor and its float, cause fuel level sensor performance failure, oil level instrument to match the problem of existing abnormal, also solve existing
The float for having the fuel level sensor in technology easily collides with transportational process so that parts damage, so as to influence oil level biography
There is the problem of matching is abnormal in sensor.Further, since fuel level sensor float needs independent mold developing, therefore, this case can
To remove the expense of fuel level sensor float mold developing, to reduce the development cost of fuel pump fuel level sensor.
Secondly as display can be preset with multiple oil level grades so that the electric signal of fuel level sensor output is examined
The liquid level position signal measured controls display according to default matching and calibration, corresponding oily with the liquid level position for showing with detecting
Position grade.So as to set corresponding oil level grade according to the demand of occupant, in order to clearly remind the current oil level of occupant
State.
Furthermore the modular converter in fuel level sensor can carry out linear temperature benefit to the electric signal that capacitance change converts
Repay, so as to reduce the error of measurement or conversion results.
Brief description of the drawings
Some specific realities of the utility model are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter
Apply example.Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that
What these attached drawings were not necessarily drawn to scale.In attached drawing：
Fig. 1 is the connection according to a kind of fuel level sensor and fuel tank for vehicle of the utility model one embodiment
Structure chart；
Fig. 2 is the schematic plan of the connection structure diagram shown in Fig. 1.
Embodiment
Existing oil level sensor of vehicle can float over the surface of oil reservoir by float, and oily number determines the height of float
Low, and utilize lever principle, the other end of float is potentiometer, its height with oil level and reach different current potentials so that
Shown on instrument board.Wherein, the principle of fuel level sensor is wire-wound resistor, and resistivity is determined by resistance wire material, resistance
Value is determined by resistivity of material coil turn.Therefore wire-wound resistor performance stablize be fuel-quantity transducer long-time service it is preferred because
Element.However, in transport or assembling process, fuel level sensor and float is easily caused to collide with, so as to cause oil level to pass
The problems such as sensor performance failure, the matching of oil level instrument is abnormal.Therefore, the utility model is from this starting point, it is proposed that Yi Zhongyong
In the fuel level sensor of vehicle.Fig. 1 be according to a kind of fuel level sensor for vehicle of the utility model one embodiment with
The connection structure diagram of fuel tank, to measure the oil mass in vehicle fuel tank 1.The vehicle has fuel oil pump assembly and display,
Fuel level sensor 2 can be integrated on fuel oil pump assembly or separated with fuel oil pump assembly it is connected, for measure enter oil level sensing
The fuel level of device 2 with the fuel level in fuel tank 1 is measured and according to the fuel level of measurement export it is corresponding to its
Electric signal, wherein, fuel level sensor 2 can be vertical in fuel tank 1, and from the bottom of fuel tank 1 along perpendicular to fuel oil
The direction of 1 bottom of case extends to the opening of fuel tank 1 and is connected by sensor harness with display, and fuel level sensor 2
It is more than the vertical height of fuel tank 1 in this direction along the height extended perpendicular to 1 bottom direction of fuel tank.
Fuel level sensor 2 and fuel oil pump assembly can have installing port respectively, and the installing port of fuel level sensor 2 can directly pass through
The plug receptacle of sensor harness is connected to display, or the installing port of fuel level sensor 2 can be connected with fuel oil pump assembly, fire at the same time
The installing port of oil pump assy is connected to display by the plug receptacle of sensor harness.During measurement, the biography of the measurement of fuel level sensor 2
Sense information is transferred to aobvious from the installing port of fuel oil pump assembly or the installing port of fuel level sensor 2 by the plug receptacle of sensor harness
Show device.
Since the design height of fuel level sensor 2 is set according to the height of fuel tank 1, when fuel oil enters oil
After level sensor 2, the liquid level in fuel level sensor 2 is flushed with the liquid level in fuel tank 1, and fuel level sensor 2 passes through to its inside
The measurement of fuel level measurement to liquid level in fuel tank 1 can be achieved, and it is aobvious that measurement result is converted into electric signal control
Show that device shows the oil level of current fluid level.In this way, compared with there is the scheme of the fuel level sensor of float in the prior art,
On the one hand, the fuel level sensor 2 of this programme is not present in assembling process and bumps to fuel level sensor and its float, causes oil level to pass
Sensor performance failure, oil level instrument match the problem of existing exception, on the other hand, also solve oil level sensing of the prior art
The float of device easily collides with transportational process so that parts damage, so that influencing fuel level sensor matching exception occurs
Problem.Further, since fuel level sensor float needs independent mold developing, therefore, this case can be omitted fuel level sensor and float
The expense of sub- mold developing, so as to further reduce the development cost of fuel pump fuel level sensor.
In the above-described embodiments, in order to ensure the maximum matching limit value of oil level, 2 tiltable of fuel level sensor is arranged on fuel tank 1
It is interior, and the opening of fuel tank 1 is extended to from the bottom of fuel tank 1 along fuel level sensor 2 relative to the incline direction of fuel tank 1
And be connected by sensor harness with display, and the inclining relative to fuel tank 1 along fuel level sensor 2 of fuel level sensor 2
The length of tilted direction extension is more than the vertical height of fuel tank 1 in this direction.In certain embodiments, fuel level sensor 2 can
Formula structure is in the form of a column, and protrudes through sensor harness from the opening of the fuel tank 1 and is connected with display cooperation.
In any of the above-described embodiment, fuel level sensor 2 can include being used for the power supply for providing electric flux.It can also wrap
Include the acquisition module of collection fuel level, the oil that acquisition module can be according to the capacitance that the fuel oil for entering acquisition module is formed with fuel oil
The capacitance change corresponding with oil level variable quantity that position variable quantity produces exports electric signal and causes display according to electric signal
Show oil level.Further, acquisition module may include housing and induction electrode, to enter in fuel oil after acquisition module so that housing
Capacitance between the induction electrode changes.
In certain embodiments, fuel level sensor 2 may also include is converted to electric signal by the data of acquisition module collection
Modular converter, is converted into its corresponding electric signal, with according in electrical signal detection fuel tank available for by the variable quantity of capacitance
Liquid level position and export to display so that display show with the corresponding oil level value of liquid level position, wherein, modular converter
The electric signal that capacitance change can be converted carries out linear temperature compensation, to reduce the error of measurement result or conversion results.
Fuel level sensor 2 can have a container, when starting the vehicle, due to entering the fuel level and fuel tank of the container
Fuel level in 1 flushes, and therefore, fuel level sensor 2 can be fired to being measured into the fuel level in the container
The position of liquid level in fuel tank 1.Since acquisition module can be made of housing and induction electrode, cause when fuel oil enters in container
Capacitance between the housing and induction electrode of acquisition module changes, and at this time, the modular converter being connected with acquisition module will
The variable quantity of capacitance is converted into its corresponding electric signal, so that the liquid level position in fuel tank 1 is obtained according to electric signal, and it is defeated
Go out to display, to control display and the corresponding oil level value of liquid level position.Since display can be preset with multiple oil levels
Grade so that the liquid level position signal detected by electric signal that fuel level sensor 1 exports is controlled according to default matching and calibration
Display so that display can show oil level grade corresponding with obtained liquid level position.So as to the need according to occupant
Ask and corresponding oil level grade is set, in order to clearly remind the state of the current oil level of occupant.
Wherein, oil level grade can have full oil level, 3/4ths oil levels, half oil level, alarm oil level and empty oil level
Etc., it can be set accordingly according to the demand of occupant.
Further, since electronic component generally has certain temperature coefficient, it includes positive temperature coefficient and subzero temperature
Spend coefficient, by taking resistance as an example, the resistance value of positive temperature coefficient becomes larger with the rise of temperature, and the resistance value of negative temperature coefficient with
The rise of temperature reduces.And the electronic component with temperature coefficient, it exports signal and can vary with temperature and drift about, and is known as
" temperature drift ", in order to reduce temperature drift, it is necessary to use some indemnifying measures to offset or reduce the temperature drift of its output to a certain extent,
That is temperature-compensating.Modular converter in fuel level sensor 1 has temperature compensation function, and the capacitance that can export acquisition module becomes
Change amount is converted into electric signal and carries out linear temperature compensation to it, so as to reduce the error of measurement or conversion results.
In any of the above-described embodiment, the electric signal can be current signal, voltage signal or digital signal.
In the embodiment in figure 1, fuel level sensor can be capacitance type sensor, be that one kind is converted into non-electrical physical quantity
There is the capacitance of definite correspondence therewith, then a kind of device of voltage (or electric current) signal is converted into by measuring circuit.Electricity
Capacity sensor has the characteristics that high sensitivity, precision are high.CR-606C capacitance type oil level sensors can be used.
The utility model also proposed a kind of oil level measuring device for vehicle, it is with fuel level sensor 2 and passes through
The display that sensor harness is connected with the fuel level sensor 2 matching, which can be according to fuel level sensor 2
The electric signal that the fuel level of measurement is exported measures the liquid level in fuel tank 1, and shows fuel tank 1 by display
Interior oil level.Display can have multiple oil level grades, to make the telecommunications of the output of fuel level sensor 2 according to default matching and calibration
Number detection liquid level position simultaneously causes display show the corresponding oil level grade of liquid level position with detection.
Since the design height of the fuel level sensor 2 in oil level measuring device is set according to the height of fuel tank 1, because
This, oil level measuring device can realize the measurement to liquid level in fuel tank 1 according to measurement of the fuel level sensor 2 to fuel level.Such as
This, compared with there is the scheme of the oil level measuring device of float in the prior art, on the one hand, the oil level measuring device of this programme is not
There are fuel level sensor and its float is bumped in assembling process, fuel level sensor performance failure, oil level instrument is caused to match
The problem of now abnormal, on the other hand, the float for also solving fuel level sensor of the prior art easily occurs in transportational process
Collide with so that parts damage, so that influencing fuel level sensor the problem of matching is abnormal occurs.Further, since fuel level sensor floats
Son needs independent mold developing, and therefore, this case can be omitted the expense of fuel level sensor float mold developing, so that further
Reduce the development cost of fuel pump fuel level sensor.
In certain embodiments, oil level measuring device may also include ring flange, arranged on the top of the fuel tank 1 and and its
It is fixedly connected, as shown in Fig. 2, ring flange has a certain distance with the top of fuel tank 1, can make it that stretching out fuel tank 1 is open
The port of fuel level sensor 2 connection can be matched with display by sensor harness.Can also the company of being equipped with the top of ring flange 5
Connect the positive and negative anodes plug receptacle of fuel level sensor 2, the positive and negative anodes of the power supply top positive and negative anodes plug receptacle phase with ring flange 5 respectively
Even so that fuel level sensor 2 export electric signal control display show it is corresponding with the liquid level position detected oily
Position grade.
In any of the above-described embodiment, the electric signal can be current signal, voltage signal or digital signal.
So far, although those skilled in the art will appreciate that detailed herein have shown and described the more of the utility model
A exemplary embodiment, still, still can be public according to the utility model in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derives many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The scope of type is understood that and regards as to cover other all these variations or modifications.
Claims (10)
1. a kind of fuel level sensor for vehicle, vertical or inclination is arranged in fuel tank, and the oil level is entered for measuring
The fuel level of sensor, is measured with the fuel level in the fuel tank to the vehicle and according to the fuel oil of measurement
Liquid level exports its corresponding electric signal；
Wherein, the vehicle has display, and the fuel level sensor is from the bottom of the fuel tank along perpendicular to the combustion
The direction of tank bottoms or the opening for extending to the fuel tank relative to the incline direction of fuel tank along fuel level sensor, and
It is connected by sensor harness with the display；And
The fuel level sensor is along the height extended perpendicular to the fuel tank bottom direction or along the fuel level sensor
The length extended relative to the incline direction of the fuel tank is more than the vertical height of the fuel tank.
2. fuel level sensor according to claim 1, it is characterised in that the fuel level sensor is in the form of a column formula structure, and
Stretched out from the opening of the fuel tank.
3. fuel level sensor according to claim 2, it is characterised in that
The fuel level sensor has acquisition module, for gathering the liquid level of fuel oil, and according to the combustion for entering the acquisition module
The capacitance that oil is formed produces defeated with the corresponding capacitance change of oil level variable quantity with the oil level variable quantity of the fuel oil
Go out electric signal, so that the display shows oil level according to the electric signal.
4. fuel level sensor according to claim 3, it is characterised in that
The acquisition module includes housing and induction electrode, to enter in the fuel oil after the acquisition module so that the housing
Capacitance between the induction electrode changes.
5. the fuel level sensor according to claim 3 or 4, it is characterised in that
The fuel level sensor has modular converter, is connected with the acquisition module, for the variable quantity of the capacitance to be converted
For its corresponding electric signal, with the liquid level position according to the electrical signal detection in fuel tank and export to display,
So that the display is shown and the corresponding oil level value of the liquid level position；
Wherein, the electric signal that the capacitance change converts can be carried out linear temperature compensation by the modular converter, with
Reduce the error of measurement result or conversion results.
6. a kind of oil level measuring device for vehicle, it is characterised in that passed including claim 1-5 any one of them oil level
Sensor and the display for matching connection with the fuel level sensor by sensor harness, to be measured according to the fuel level sensor
The electric signal that is exported of fuel level the liquid level in the fuel tank is measured, and described in being shown by the display
Oil level in fuel tank.
7. oil level measuring device according to claim 6, it is characterised in that the display has multiple oil level grades,
With export the fuel level sensor according to default matching and calibration electrical signal detection described in liquid level position and cause described aobvious
Show that device shows oil level grade corresponding with the liquid level position detected.
8. oil level measuring device according to claim 7, it is characterised in that ring flange is further included, arranged on the fuel tank
Top and be secured to connect；
Wherein, the ring flange has default distance with the fuel tank head, so that stretching out the fuel tank opening
The port of fuel level sensor can be connected by the sensor harness with the display.
9. oil level measuring device according to claim 8, it is characterised in that
The fuel level sensor has power supply, and the top of the ring flange is equipped with the positive and negative anodes for being used for connecting the fuel level sensor
Interface unit, the positive and negative anodes of the positive and negative anodes of the power supply respectively with the interface unit are connected, so that the fuel level sensor
The electric signal of output controls the display to show oil level grade corresponding with the liquid level position of the detection.
10. according to claim 6-9 any one of them oil level measuring devices, it is characterised in that
The electric signal is current signal, voltage signal or digital signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068136.1U CN207263261U (en) | 2017-08-24 | 2017-08-24 | A kind of fuel level sensor and oil level measuring device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068136.1U CN207263261U (en) | 2017-08-24 | 2017-08-24 | A kind of fuel level sensor and oil level measuring device for vehicle |
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| Publication Number | Publication Date |
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| CN207263261U true CN207263261U (en) | 2018-04-20 |
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ID=61922741
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| CN201721068136.1U Active CN207263261U (en) | 2017-08-24 | 2017-08-24 | A kind of fuel level sensor and oil level measuring device for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449489A (en) * | 2017-08-24 | 2017-12-08 | 浙江吉利汽车研究院有限公司 | A kind of fuel level sensor and oil level measuring device for vehicle |
-
2017
- 2017-08-24 CN CN201721068136.1U patent/CN207263261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449489A (en) * | 2017-08-24 | 2017-12-08 | 浙江吉利汽车研究院有限公司 | A kind of fuel level sensor and oil level measuring device for vehicle |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230117 Address after: No. 88, Jili Avenue, toumengang New District, Linhai City, Taizhou City, Zhejiang Province Patentee after: ZHEJIANG LAND ROVER AUTOMOBILE Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 317000 east gate of Taizhou City, Zhejiang Province Patentee before: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |
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| TR01 | Transfer of patent right |