CN104048736B - The test system of fuel sensor - Google Patents
The test system of fuel sensor Download PDFInfo
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- CN104048736B CN104048736B CN201410294467.1A CN201410294467A CN104048736B CN 104048736 B CN104048736 B CN 104048736B CN 201410294467 A CN201410294467 A CN 201410294467A CN 104048736 B CN104048736 B CN 104048736B
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Abstract
The invention discloses a kind of test system of fuel sensor, the experimental bench includes pedestal, and pedestal is provided with positioning element and detection part；Positioning element is used to position tested fuel sensor in pedestal；Detection part is used for the float axial displacement signal for detecting tested fuel sensor；Axial movement of the float along fuel sensor only need to be stirred either manually or by other modes in the present invention, detection part can detect that the axial displacement signal of float, in addition, the closed resistance signal of float position can be measured by fuel sensor itself, so, the displacement signal of float is obtained in the present invention not to be influenceed by existing liquid level, it can obtain on the different sections of fuel sensor, different linear relationship curves between float displacement and correspondence resistance, the linearity curve of the different sections of fuel sensor can be obtained, offer foundation is write for piece-wise linearization processing routine.And the test mode measuring accuracy is higher.
Description
Technical field
The present invention relates to the technical field of measurement and test of fuel sensor, the more particularly to reality for testing fuel sensor performance
Test platform and test system.
Background technology
Fuel sensor is to be used for measuring liquid level in fuel tank on vehicle, and signal is reached into corresponding instrument progress
The device that oil level is shown.What the fuel sensor overwhelming majority used on current engineering machinery vehicle was made for tongue tube technology,
Its circuit is connected by a series of resistant series and a series of tongue tubes mode in parallel.During the tongue tube closure of diverse location, shape
Into different series resistance loops, the different resistance of correspondence.Yet with manufacturing process or sealing problem, can exist internal short
Road or the situation of open circuit.Simultaneously as the quantity of internal tongue tube is many and arrangement position has differences, fuel oil sensing is easily caused
The linearity disunity of device, which results in using same canonical measure fuel liquid level when deviation it is larger.
Prior art is typically detected using liquid level of fuel sensor caliberating device to the performance of fuel sensor.The dress
Put main by base, guide pillar, claw, motor, screw mandrel, fuel sensor to be measured, the transparent cylinder of line with a scale and for counting
According to the single-chip microcomputer of processing.Specifically detecting step is：Quantitative oil or water is loaded onto in cylinder, clamping fuel oil to be measured is sensed
The float of device drives screw mandrel to rotate in oil or water float, then motor, is moved down so as to drive indirectly on fuel sensor to be measured
Dynamic, the data wire of the sensor to be measured is connected with single-chip data processor, and the electricity with showing sensor to be measured is calculated in real time
Voltage or electric current that stream or voltage are exported with motor, sensor current or voltage and electricity are fitted by the two by same time list
Curve coefficients between the voltage or electric current of machine output, the coefficient are input in the calculation procedure in processor of single chip computer, i.e.,
Complete the oil mass demarcation of fuel sensor to be measured.
Above-mentioned liquid level of fuel sensor caliberating device is primarily present following defect：
(1) due in cylinder solution be a certain amount of, when moving up and down fuel sensor to be measured, can only scale liquid position with
Under fuel sensor curve coefficients.The curve coefficients demarcated are influenceed by liquid level in cylinder.
(2) resistive linearity degree of the fuel sensor in different zones section is different, therefore prior art is only in one section
Curve coefficients are demarcated as final oil mass, there is very big error.
(3) fuel sensor is demarcated using single-chip microcomputer internal processes, display property is bad in real time for the process, and not straight
See, it is impossible to the resistance and each section of the linearity of real-time monitored each position point.
(4) function of the device without correct detection fuel sensor internal short-circuit or off position.
Therefore, a kind of experimental bench for being used to test fuel sensor performance how is provided, the experimental bench can accurately obtain combustion
The performance of oil sensor, is those skilled in that art's technical problem urgently to be resolved hurrily.
The content of the invention
The purpose of the present invention is provides a kind of experimental bench for being used to test fuel sensor performance, and the experimental bench can be obtained accurately
Take the performance of fuel sensor.Another object of the present invention is a kind of test system with above-mentioned experimental bench of offer.
In order to solve the above technical problems, the invention provides a kind of experimental bench for being used to test fuel sensor performance, bag
Pedestal is included, the pedestal is provided with positioning element and detection part；
The positioning element is used to position tested fuel sensor in the pedestal；
The detection part is used for the float axial displacement signal for detecting the tested fuel sensor.
Preferably, the positioning element includes the first bearing and the second bearing, first bearing and second bearing
It is respectively used to position the tail end and head end of the tested fuel sensor.
Preferably, first bearing and second bearing at least one of both are connected with the base runner, so as to
First bearing and second bearing are vertically apart from adjustable.
Preferably, be additionally provided with the slide block assembly being fixedly connected with the float on the pedestal, the slide block assembly with
The pedestal slides axially connection.
Preferably, the slide block assembly includes slider part and the hold assembly being connected with the slider part, the cunning
Block part is slidably connected with the pedestal, and the hold assembly is provided with holding tank, and the float is fixedly arranged on the holding tank
It is internal.
Preferably, the hold assembly is vertically flexibly connected with the slider part, to adjust the clamping
The height of part.
Preferably, the detection part is dragline type length measurement sensor, and the end of the dragline type length measurement sensor is fixed
In on the slide block assembly.
Preferably, connection terminal is additionally provided with the pedestal, signal output part connects the connection end by signal wire
Son.
Axial movement of the float along fuel sensor, detection part only need to be stirred either manually or by other modes in the present invention
The axial displacement signal of float is can detect that, in addition, the closed resistance of float position can be measured by fuel sensor itself
Signal, by obtaining the axial displacement signal and corresponding closed resistance signal of float, can obtain float displacement and closure
The relation curve of resistance, obtains the displacement signal of float not by the shadow of existing liquid level compared with prior art, in the present invention
Ring, can obtain on the different sections of fuel sensor, the different linear relationship curves between float displacement and correspondence resistance, you can
It is that piece-wise linearization processing routine writes offer foundation to obtain the linearity curve of the different section of fuel sensor.And
The test mode measuring accuracy is higher.
In addition, present invention also offers a kind of test system of fuel sensor, including the experiment described in any of the above-described
Platform, the system also includes with lower component：
Control module, for receiving the resistance signal of the tested fuel sensor on the experimental bench and floating for detection part
Sub- displacement signal, and according to the resistance signal and the fitting of institute displacement signal generate the tested fuel sensor resistance and
Displacement relation figure, and send the idsplay order for showing the resistance and displacement relation figure.
Display interface, receives the idsplay order, and show above-mentioned resistance and displacement relation figure.
Preferably, the resistance signal that the control module is detected yet further still according to current time, sends display and works as
The control instruction of the corresponding digital quantity of preceding moment resistance and the resistance；The display interface receives above-mentioned control instruction, and shows
Show the resistance digital quantity corresponding with the resistance at current time.
Preferably, corresponding resistance standard value when float is in specific displacement is also prestored in the control module, it is described
The resistance signal and corresponding resistance standard value that control module is further detected according to current time, judge described tested
Whether fuel sensor is in normal condition, if in abnormal condition, failure cause is shown on the display interface.
Preferably, the control module also includes virtual fuel sensor module, for creating the fuel sensor
Dummy model is simultaneously shown on the display interface, and shows the real time position of the float on the dummy model.
Preferably, when the fuel sensor is in abnormal condition, it is described floating that the control module also sends display
The abort situation of son is in the control instruction on the virtual fuel sensor.
Preferably, the control module is also stored with some float calibration positions, and the control module also sends display institute
The tested resistance of tested fuel sensor at float calibration position and the numerical value of tested displacement are stated on the display interface
Control instruction.
Brief description of the drawings
Fig. 1 be a kind of embodiment of the invention in be used for test fuel sensor performance experimental bench structural representation
Figure；
The schematic diagram of the display interface of test system in a kind of embodiment that Fig. 2 provides for the present invention.
Wherein, the one-to-one relationship in Fig. 1-2 between reference and component names is as follows：
1 pedestal, 2 first bearings, 3 second bearings, 41 first guide rails, 42 second guide rails, 5 hold assemblies, 6 slider parts, 7
Length measurement sensor, 8 fuel sensor bodies, 9 floats, 10 connection terminals, the dummy model of 30 fuel sensors.
Embodiment
The core of the present invention is provides a kind of experimental bench for being used to test fuel sensor performance, and the experimental bench can be obtained accurately
Take the performance of fuel sensor.Another core of the present invention is a kind of test system with above-mentioned experimental bench of offer.
In order that those skilled in the art more fully understands technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying example, the present invention is described in further detail.
It refer to Fig. 1, Fig. 1 is the experimental bench for being used in a kind of embodiment of the invention test fuel sensor performance
Structural representation.
The invention provides a kind of experimental bench for being used to test fuel sensor performance, the experimental bench specifically includes pedestal 1,
Pedestal 1 is provided with positioning element and detection part；Positioning element is used to position tested fuel sensor in pedestal 1, specifically,
Tested fuel sensor is divided into sensor body 8 and the two parts of float 9 being arranged in sensor body 8 herein, here institute
The positioning stated is the positioning to sensor body 8 in fact, so as to the smoothly motion of relative sensors body 8 of float 9.Hand can be passed through
Flowing mode driving float 9 is moved, and by automated manner float 9 can also be driven to move, for example, be increased drive device on pedestal 1
Deng part.
The fuel sensor overwhelming majority is made for tongue tube technology, and it constitutes resistance loop using the parallel connection of multiple tongue tubes
To indicate liquid level height, the different resistance of each tongue tube closure interval scale.Can be by calculating the closed resistance of fuel sensor
Resistance, obtains the liquid level of hydraulic oil in hydraulic fluid tank.
Detection part is used for the axial displacement signal of float 9 for detecting tested fuel sensor, and detection part can be contact
Formula sensor, such as dragline type sensor or noncontacting proximity sensor, such as photoelectric sensor.
It should be noted that axial direction specifically described herein refers to the length direction of tested fuel sensor, that is, it is floating
The direction of the motion of son 9.
Axial movement of the float 9 along fuel sensor, test section only need to be stirred either manually or by other modes in the present invention
Part is the axial displacement signal that can detect that float 9, in addition, can measure the closure of the position of float 9 by fuel sensor itself
Resistance signal, by obtaining the axial displacement signal and corresponding closed resistance signal of float 9, can obtain the displacement of float 9
With the relation curve of closed resistance resistance, the displacement signal of float 9 is obtained compared with prior art, in the present invention not by existing liquid
The influence in face, can be obtained on the different sections of fuel sensor, the different linear relationships between the displacement of float 9 and correspondence resistance are bent
Line, you can to obtain the linearity curve of the different section of fuel sensor, be piece-wise linearization processing routine write offer according to
According to.And the test mode measuring accuracy is higher.
In a kind of embodiment, positioning element can include the first bearing 2 and the second bearing 3, the He of the first bearing 2
Second bearing 3 is respectively used to position the tail end and head end of tested fuel sensor；Herein by the small of tested fuel sensor
Footpath end is defined as tail end, and its large diameter end is defined as into head end.
It can respectively be set on first bearing 2 and the second bearing 3 and coordinate fixed the first groove and the with tail end and head end
Two grooves, the tail end and head end of fuel sensor are respectively arranged on the first groove and the second inside grooves.
Positioned using the both ends of the first bearing 2 and second 3 pairs of tested fuel sensors of bearing, tested combustion can be achieved
The reliability that oil sensor is fixed.
Usually, according to the difference of use environment, the length of fuel sensor is also different, in order to increase experimental bench
To the test all-purpose of the fuel sensor of different length, it can also be set as follows.
Further, the first bearing 2 and second bearing 3 at least one of both are flexibly connected with pedestal 1, so as to first
Bearing 2 and second bearing 3 are vertically apart from adjustable.
In a kind of embodiment, the first bearing 2 is fixed on pedestal 1, i.e. the first bearing 2 is hold-down support, the
Two bearings 3 are that the first guide rail is begun with movable bearing support, pedestal 1, and the second bearing 3, can be along first inside the first guide rail 41
Guide rail 41 is slided.The movable connection method of certain above-mentioned bearing and pedestal 1 is not limited to slide, and can also use other modes,
Some tool mounting seats at regular intervals, the fuel sensor for fixing different length are for example set on pedestal 1.
In a preferred embodiment, the slide block assembly being fixedly connected with float 9, sliding block are additionally provided with pedestal 1
Component slides axially with pedestal 1 and is connected.In the embodiment, manual toggle slide block assembly is only needed, slide block assembly can drive
Float 9 is axially moved along pedestal 1, and motion ratio is more steady.In addition, can so be realized floating by detecting the displacement of slide block assembly
The detection of sub 9 displacements, it is simple and easy to apply.
In a kind of embodiment, slide block assembly includes slider part 6 and the hold assembly being connected with slider part 6
5, slider part 6 is slidably connected with pedestal 1, as shown in figure 1, the second axially disposed guide rail 42 can be provided with pedestal 1,
Slider part 6 can be slided inside the second guide rail 42 along the second guide rail 42.Hold assembly 5 is provided with holding tank, and float 9 is consolidated
Located at the inside of holding tank.So holding tank can play a part of support to float 9 to a certain extent, be conducive to axially flat
Stable sliding is moved.
For the fuel sensor of different model, the height of the horizontal plane of 9 opposite base of float 1 is also different, in order to just
In clamping, it can also be set as follows.
Further, hold assembly 5 is vertically flexibly connected with slider part 6, to adjust the height of hold assembly 5
Degree.
It should be noted that vertical direction herein is defined with the position between Fig. 1 parts, merely to retouching
The succinct of technical scheme is stated, it will be understood by those skilled in the art that the noun of locality used herein should not limit this paper guarantor
Protect scope.
Detection part in the respective embodiments described above can be dragline type length measurement sensor 7, dragline type length measurement sensor 7
End is fixed on slide block assembly.Dragline type length measurement sensor 7 sets simplicity, and cost can reduce making for experimental bench than relatively low
Use cost.
In the various embodiments described above, connection terminal 10 is also provided with pedestal 1, signal output part is connected by signal wire
Connection terminal 10.The connection of sensor and peripheral control unit is realized by connection terminal 10, it is simple for structure.
Incorporated by reference to Fig. 2, the signal of the display interface of test system in a kind of embodiment that Fig. 2 provides for the present invention
Figure.
On the basis of above-mentioned experimental bench, a kind of test system of fuel sensor, including above-mentioned is also provided herein
Experimental bench described in one embodiment, the system also includes with lower component：
Control module, for receiving the resistance signal of the tested fuel sensor on experimental bench and the float 9 of detection part
Displacement signal, and according to the resistance and displacement relation figure of resistance signal and the tested fuel sensor of displacement signal fitting generation, and
Send the idsplay order of display resistance and displacement relation figure.
Display interface, receives idsplay order, and show above-mentioned resistance and displacement relation figure.
The test system passes through the displacement signal of float 9 and closed resistance signal that are gathered to experimental bench, fitting generation quilt
The resistance and displacement relation figure of fuel sensor are surveyed, and resistance and displacement relation figure are shown on display interface, tester
The linearity curve of tested fuel sensor can intuitively be observed according to graph of a relation shown on display interface.
Further, the resistance signal that control module is detected yet further still according to current time, sends display current time
The control instruction of resistance and the corresponding digital quantity of the resistance；Display interface receives above-mentioned control instruction, and shows current time
Resistance digital quantity corresponding with the resistance.
Further, corresponding resistance standard value when float 9 is in specific displacement is also prestored in control module, mould is controlled
Whether resistance signal and corresponding resistance standard value that block is further detected according to current time, judge tested fuel sensor
In normal condition, if in abnormal condition, failure cause is shown on display interface.Can be with certain display interface
It is provided with and specializes in the failure cause viewing area that failure cause is shown.
So, tester only just can need to intuitively understand tested fuel oil by the failure cause that is shown on display interface
The failure of sensor, without analyzing calculating again.
In a preferred embodiment, control module also includes virtual fuel sensor module, for creating fuel oil
The dummy model 30 of sensor is simultaneously shown on display interface, and shows the real time position of float 9 on dummy model 30.
Corresponding resistance when can intuitively show that float 9 is in diverse location by the dummy model 30 of the fuel sensor on display interface
Value and the corresponding digital quantity of the resistance.Digital quantity corresponding to resistance specifically described herein refers to the number of the actual reading of controller
Value, the corresponding digital quantity of different resistances is different.Controller is exactly that current resistance is known by digital quantity value..
In the various embodiments described above, when fuel sensor is in abnormal condition, control module also sends display float 9
Abort situation is in the control instruction on virtual fuel sensor.When occurring short circuit or open circuit inside fuel sensor, Ke Yitong
The color change for crossing virtual fuel sensor location point intuitively observes abort situation and failure cause.
In the various embodiments described above, control module is also stored with some calibration positions of float 9, and control module can be sent out showing
Show tested fuel sensor at each calibration position of float 9 tested resistance and tested displacement numerical value in the control on display interface
System instruction.By taking Fig. 2 as an example, tested resistance and corresponding tested displacement are shown in digital quantity form.
So, tester in advance can default in the important calibration position of some floats 9 in control module,
In process of the test, when float 9 is in corresponding preset calibrations position, control module is by the tested fuel sensor of the calibration position
Tested resistance and tested displacement be shown on display interface, so, from display interface, tester can intuitively understand floating
Resistance at sub 9 calibration positions.
The experimental bench and test system provided by the present invention for being used to test fuel sensor performance has been carried out in detail above
It is thin to introduce.Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (12)
1. a kind of test system of fuel sensor, including for testing the experimental bench of fuel sensor performance, it is characterised in that
The experimental bench includes pedestal (1), and the pedestal (1) is provided with positioning element and detection part；
The positioning element is used to position tested fuel sensor in the pedestal (1)；
The detection part is used for float (9) axial displacement signal for detecting the tested fuel sensor；
The system also includes with lower component：
Control module, resistance signal and the float of detection part for receiving the tested fuel sensor on the experimental bench
(9) displacement signal, and according to the resistance of the resistance signal and institute's displacement signal fitting generation tested fuel sensor
With displacement relation figure, and the idsplay order for showing the resistance and displacement relation figure is sent；
Display interface, receives the idsplay order, and show above-mentioned resistance and displacement relation figure；
The resistance signal that the control module is detected yet further still according to current time, send display current time resistance with
And the control instruction of the corresponding digital quantity of the resistance；The display interface receives above-mentioned control instruction, and shows current time
Resistance digital quantity corresponding with the resistance.
2. test system as claimed in claim 1, it is characterised in that the positioning element includes the first bearing (2) and second
Bearing (3), first bearing (2) and second bearing (3) are respectively used to position the tail end of the tested fuel sensor
And head end.
3. test system as claimed in claim 2, it is characterised in that first bearing (2) and second bearing (3) are extremely
Few one of both is flexibly connected with the pedestal (1), so as to first bearing (2) and second bearing (3) vertically away from
From adjustable.
4. the test system as described in any one of claims 1 to 3, it is characterised in that be additionally provided with and institute on the pedestal (1)
The slide block assembly that float (9) is fixedly connected is stated, the slide block assembly slides axially with the pedestal (1) and is connected.
5. test system as claimed in claim 4, it is characterised in that the slide block assembly include slider part (6) and with institute
The hold assembly (5) of slider part (6) connection is stated, the slider part (6) is slidably connected with the pedestal (1), the clamping
Part (5) is provided with holding tank, and the float (9) is fixedly arranged on the inside of the holding tank.
6. test system as claimed in claim 5, it is characterised in that the hold assembly (5) and the slider part (6) edge
Vertical direction is flexibly connected, to adjust the height of the hold assembly (5).
7. test system as claimed in claim 4, it is characterised in that the detection part is dragline type length measurement sensor, institute
The end for stating dragline type length measurement sensor is fixed on the slide block assembly.
8. test system as claimed in claim 4, it is characterised in that be additionally provided with connection terminal, signal on the pedestal (1)
Output end connects the connection terminal by signal wire.
9. test system as claimed in claim 1, it is characterised in that float (9) is also prestored in the control module and is in
Corresponding resistance standard value during specific displacement, the resistance signal that the control module is further detected according to current time with
Corresponding resistance standard value, judges whether the tested fuel sensor is in normal condition, if in abnormal condition,
Failure cause is shown on the display interface.
10. test system as claimed in claim 9, it is characterised in that the control module also includes virtual fuel sensor
Module, for creating the dummy model (30) of the fuel sensor and being shown in the display interface, and shows institute
The real time position of float (9) is stated on the dummy model.
11. test system as claimed in claim 10, it is characterised in that when the fuel sensor is in abnormal condition
When, the control module also sends the abort situation for showing the float (9) in the control in the virtual fuel sensor module
System instruction.
12. the test system as described in claims 1 to 3,9 to 11 any one, it is characterised in that the control module is also stored
There is some floats (9) calibration position, the control module, which is also sent, shows that the tested fuel oil at float (9) calibration position is passed
The tested resistance of sensor and the numerical value of tested displacement are in the control instruction on the display interface.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432678A (en) * | 2015-04-30 | 2021-09-24 | 洪斐喆 | Detection method of float level transmitter |
| CN105571689A (en) * | 2015-05-26 | 2016-05-11 | 东风汽车电子有限公司 | Flange oil pipe floating lever type fuel quantity sensor calibration clamp |
| CN105136253B (en) * | 2015-09-07 | 2018-10-09 | 丹东通博电器(集团)有限公司 | Magnetostriction liquidometer detection device |
| CN106248178A (en) * | 2016-08-30 | 2016-12-21 | 重庆万力联兴实业(集团)有限公司 | Automobile fuel pump oil level electric resistance sensor detection device |
| CN106124007A (en) * | 2016-08-30 | 2016-11-16 | 上海金脉电子科技有限公司 | System and method for urea liquid level sensor accuracy detection |
| CN109211362B (en) * | 2017-07-03 | 2020-02-11 | 合肥锦佳汽车零部件有限公司 | Detection platform and detection method for fuel pump liquid level sensor assembly |
| CN113701842B (en) * | 2021-08-20 | 2023-12-12 | 宁波水表(集团)股份有限公司 | Water meter with adjustable flow characteristics |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247077Y (en) * | 2008-06-27 | 2009-05-27 | 东莞市敏达测控技术有限公司 | Calibration instrument for testing linear sensor |
| CN101762306A (en) * | 2009-10-12 | 2010-06-30 | 力帆实业(集团)股份有限公司 | Fuel sensor detecting device of motorcycle |
| CN201903386U (en) * | 2010-10-22 | 2011-07-20 | 舟山市质量技术监督检测院 | Movable liquid-groove type calibrating device for liquid level meter |
| CN202204575U (en) * | 2011-08-29 | 2012-04-25 | 芜湖东方汽车仪表有限公司 | Calibrator for fuel sensor |
| CN202393468U (en) * | 2011-12-30 | 2012-08-22 | 河南长润仪表有限公司 | Liquid level meter calibration device based on linear sliding table |
| CN102980636A (en) * | 2012-11-26 | 2013-03-20 | 合肥邦立电子股份有限公司 | Device and method for calibrating and detecting liquid level of fuel sensor |
| CN102980637A (en) * | 2012-11-26 | 2013-03-20 | 合肥邦立电子股份有限公司 | Liquid level calibration detection device and method for liquid level sensor |
| CN202974394U (en) * | 2012-11-26 | 2013-06-05 | 合肥邦立电子股份有限公司 | Fuel sensor liquid level standardization detector |
| CN103292874A (en) * | 2013-05-30 | 2013-09-11 | 中国计量学院 | Method and device for online verification and realtime self-calibration of radar liquid level meter |
| CN203519117U (en) * | 2013-09-18 | 2014-04-02 | 湖北汽车工业学院 | Oil quantity sensor measuring and controlling device based on DSP |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8161814B2 (en) * | 2008-06-09 | 2012-04-24 | Luna Labs, Inc. | Self-calibrating capacitive transducer for determining level of fluent materials |
-
2014
- 2014-06-25 CN CN201410294467.1A patent/CN104048736B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247077Y (en) * | 2008-06-27 | 2009-05-27 | 东莞市敏达测控技术有限公司 | Calibration instrument for testing linear sensor |
| CN101762306A (en) * | 2009-10-12 | 2010-06-30 | 力帆实业(集团)股份有限公司 | Fuel sensor detecting device of motorcycle |
| CN201903386U (en) * | 2010-10-22 | 2011-07-20 | 舟山市质量技术监督检测院 | Movable liquid-groove type calibrating device for liquid level meter |
| CN202204575U (en) * | 2011-08-29 | 2012-04-25 | 芜湖东方汽车仪表有限公司 | Calibrator for fuel sensor |
| CN202393468U (en) * | 2011-12-30 | 2012-08-22 | 河南长润仪表有限公司 | Liquid level meter calibration device based on linear sliding table |
| CN102980636A (en) * | 2012-11-26 | 2013-03-20 | 合肥邦立电子股份有限公司 | Device and method for calibrating and detecting liquid level of fuel sensor |
| CN102980637A (en) * | 2012-11-26 | 2013-03-20 | 合肥邦立电子股份有限公司 | Liquid level calibration detection device and method for liquid level sensor |
| CN202974394U (en) * | 2012-11-26 | 2013-06-05 | 合肥邦立电子股份有限公司 | Fuel sensor liquid level standardization detector |
| CN103292874A (en) * | 2013-05-30 | 2013-09-11 | 中国计量学院 | Method and device for online verification and realtime self-calibration of radar liquid level meter |
| CN203519117U (en) * | 2013-09-18 | 2014-04-02 | 湖北汽车工业学院 | Oil quantity sensor measuring and controlling device based on DSP |
Non-Patent Citations (1)
| Title |
|---|
| 汽车用筒式磁感应燃油传感器研究;邱淑贤;《吉林师范大学学报（自然科学版）》;20100831(第3期);144-146 * |
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