CN104048736A - Experiment table for testing performance of fuel sensor and test system - Google Patents
Experiment table for testing performance of fuel sensor and test system Download PDFInfo
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- CN104048736A CN104048736A CN201410294467.1A CN201410294467A CN104048736A CN 104048736 A CN104048736 A CN 104048736A CN 201410294467 A CN201410294467 A CN 201410294467A CN 104048736 A CN104048736 A CN 104048736A
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Abstract
The invention discloses an experiment table for testing the performance of a fuel sensor and a test system. The experiment table comprises a substrate. A positioning part and a detection part are arranged on the substrate. The positioning part is used for positioning the tested fuel sensor on the substrate. The detection part is used for detecting axial displacement signals of a floater of the tested fuel sensor. The floater is thumbed to move in the axial direction of the fuel sensor manually or in other modes, and then the detection part can detect the axial displacement signals of the floater; in addition, closing resistive signals of the location of the floater can be measured through the fuel sensor. Thus, acquisition of the displacement signals of the floater is not affected by existing liquid levels, different linear relation curves between the displacement of the floater and corresponding resistance values can be acquired on different sections of the fuel sensor, and then linearity curves of different sections of the fuel sensor can be obtained, and a basis is provided for compiling of sectional linear processing programs. By the adoption of the test mode, the test accuracy is high.
Description
Technical field
The present invention relates to the technical field of measurement and test of fuel sensor, particularly for testing experiment table and the test macro of fuel sensor performance.
Background technology
Fuel sensor is on vehicle, to be used for measuring liquid level in fuel tank, and signal is reached to the device that corresponding instrument is carried out oil level demonstration.The fuel sensor overwhelming majority who uses on engineering machinery vehicle at present makes for tongue tube technology, and its circuit is connected with the mode of a series of tongue tube parallel connections by a series of resistance series connection.When the tongue tube of diverse location is closed, form different resistance in series loops, corresponding different resistances.Yet due to manufacturing process or sealing problem, the situation that can have internal short-circuit or open circuit.Meanwhile, because the quantity of inner tongue tube is many and the position of arranging there are differences, easily cause the linearity disunity of fuel sensor, this has caused when adopting same canonical measure fuel liquid level deviation larger.
Prior art generally adopts fuel sensor liquid level caliberating device to detect the performance of fuel sensor.This device mainly by base, guide pillar, claw, motor, screw mandrel, fuel sensor to be measured, with the transparent cylindrical shell of scale mark and for the single-chip microcomputer of data processing.Concrete detecting step is: in cylindrical shell, load onto quantitative oil or water, make the float of clamping fuel sensor to be measured at oil or water float, then driven by motor screw mandrel rotates, thereby indirectly drive fuel sensor to be measured to move up and down, the data line of described sensor to be measured is connected with single-chip data processor, calculate in real time and show the curtage of sensor to be measured and voltage or the electric current of motor output, the two is simulated to sensor current or voltage and the voltage of motor output or the curve coefficients between electric current by same time list, this coefficient is input in the calculation procedure in processor of single chip computer, the oil mass that completes fuel sensor to be measured is demarcated.
Mainly there is following defect in above-mentioned fuel sensor liquid level caliberating device:
(1) because solution in cylindrical shell is a certain amount of, when moving up and down fuel sensor to be measured, the curve coefficients of fuel sensor that can only be below scale liquid position.The curve coefficients of demarcating is affected by liquid level in cylindrical shell.
(2) the resistance linearity difference of fuel sensor in zones of different section, so the prior art only curve coefficients in a section demarcated as final oil mass, has very large error.
(3) use single-chip microcomputer internal processes to demarcate fuel sensor, this process in real time demonstration property is bad, and not directly perceived, cannot the resistance of each location point of real-time monitored and the linearity of each section.
(4) this device does not have the function of correct detection fuel sensor internal short-circuit or off position.
Therefore, how to provide a kind of for testing the experiment table of fuel sensor performance, the performance that this experiment table can Obtaining Accurate fuel sensor, is those skilled in that art's technical matterss urgently to be resolved hurrily.
Summary of the invention
Object of the present invention is for providing a kind of for testing the experiment table of fuel sensor performance, the performance that this experiment table can Obtaining Accurate fuel sensor.Another object of the present invention is for providing a kind of test macro with above-mentioned experiment table.
For solving the problems of the technologies described above, the invention provides and a kind ofly for testing the experiment table of fuel sensor performance, comprise pedestal, described pedestal is provided with positioning element and detection part;
Described positioning element is used for locating tested fuel sensor in described pedestal;
Described detection part is for detection of the float axial displacement signal of described tested fuel sensor.
Preferably, described positioning element comprises the first bearing and the second bearing, and described the first bearing and described the second bearing are respectively used to locate tail end and the head end of described tested fuel sensor.
Preferably, described the first bearing and described the second bearing at least both one of be flexibly connected with described pedestal so that described the first bearing and described the second bearing vertically distance adjustable.
Preferably, be also provided with the slide block assembly being fixedly connected with described float on described pedestal, described slide block assembly and described pedestal are slidably connected vertically.
Preferably, described slide block assembly comprises slider part and the hold assembly being connected with described slider part, and described slider part and described pedestal are slidably connected, and described hold assembly is provided with holding tank, and described float is fixedly arranged on the inside of described holding tank.
Preferably, described hold assembly is vertically flexibly connected with described slider part, to regulate the height of described hold assembly.
Preferably, described detection part is dragline type length measurement sensor, and the end of described dragline type length measurement sensor is fixed on described slide block assembly.
Preferably, be also provided with splicing ear on described pedestal, signal output part connects described splicing ear by signal wire.
In the present invention, only need manually or by other means to stir float along the axially-movable of fuel sensor, detection part can detect the axial displacement signal of float, in addition, by fuel sensor self, can measure the closed resistance signal of float position, by obtaining the axial displacement signal of float and corresponding closed resistance signal, can obtain the relation curve of float displacement and closed resistance resistance, compared with prior art, the displacement signal that obtains float in the present invention is not subject to the impact of existing liquid level, can obtain on the different sections of fuel sensor, different linear relationship curves between float displacement and corresponding resistance, can obtain the linearity curve of the different sections of fuel sensor, for writing of piece-wise linearization handling procedure provides foundation.And this test mode measuring accuracy is higher.
In addition, the present invention also provides a kind of test macro of fuel sensor, comprises the experiment table described in above-mentioned any one, and this system also comprises with lower member:
Control module, for receiving the resistance signal of the tested fuel sensor on described experiment table and the float displacement signal of detection part, and generate resistance and the displacement relation figure of described tested fuel sensor according to described resistance signal and described displacement signal matching, and send the idsplay order that shows described resistance and displacement relation figure.
Display interface, receives described idsplay order, and shows above-mentioned resistance and displacement relation figure.
Preferably, described control module also, further according to the described resistance signal of current time detection, is sent the steering order of digital quantity corresponding to demonstration current time resistance and this resistance; Described display interface receives above-mentioned steering order, and shows resistance and the digital quantity corresponding to this resistance of current time.
Preferably, in described control module, also prestore float corresponding resistance standard value when concrete displacement, the described resistance signal that described control module further detects according to current time and corresponding resistance standard value, judge that whether described tested fuel sensor is in normal condition, if in abnomal condition, failure cause is shown on described display interface.
Preferably, described control module also comprises virtual fuel sensor module, and for creating the dummy model of described fuel sensor and being shown in described display interface, and the real time position that shows described float is on described dummy model.
Preferably, when described fuel sensor is during in abnomal condition, described control module is also sent the steering order of abort situation on described virtual fuel sensor that shows described float.
Preferably, described control module also stores some float calibration position, and described control module is also sent the tested resistance of tested fuel sensor and the steering order of the numerical value of tested displacement on described display interface that shows described float calibration position place.
Accompanying drawing explanation
Fig. 1 is for testing the structural representation of the experiment table of fuel sensor performance in a kind of embodiment of the present invention;
Fig. 2 is the schematic diagram of the display interface of test macro in a kind of embodiment provided by the invention.
Wherein, in Fig. 1-2, the one-to-one relationship between Reference numeral and component names is as follows:
The dummy model of 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 sensors, 8 fuel sensor bodies, 9 floats, 10 splicing ears, 30 fuel sensors.
Embodiment
Core of the present invention is for providing a kind of for testing the experiment table of fuel sensor performance, the performance that this experiment table can Obtaining Accurate fuel sensor.Another core of the present invention is for providing a kind of test macro with above-mentioned experiment table.
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 1 is for testing the structural representation of the experiment table of fuel sensor performance in a kind of embodiment of the present invention.
The invention provides that a kind of this experiment table specifically comprises pedestal 1 for testing the experiment table of fuel sensor performance, pedestal 1 is provided with positioning element and detection part; Positioning element is used for locating tested fuel sensor in pedestal 1, particularly, tested fuel sensor be divided into sensor body 8 herein and be arranged at float 9 two parts in sensor body 8, location described here is the location to sensor body 8 in fact, so that the relative sensor body 8 of float 9 is moved smoothly.Can drive manually float 9 motions, also can drive float 9 motions by automated manner, such as increase the parts such as drive unit on pedestal 1.
The fuel sensor overwhelming majority makes for tongue tube technology, and it utilizes a plurality of tongue tubes formation in parallel resistance loops to indicate liquid level height, the different resistance of the closed interval scale of each tongue tube.Can, by calculating the closed resistance resistance of fuel sensor, obtain the liquid level of hydraulic oil in hydraulic fluid tank.
Detection part is for detection of float 9 axial displacement signals of tested fuel sensor, and detection part can be touch sensor, and for example dragline type sensor, can be also non-contacting sensor, such as photoelectric sensor etc.
It should be noted that the described length direction that axially refers to tested fuel sensor herein, the direction of namely float 9 motions.
In the present invention, only need manually or by other means to stir float 9 along the axially-movable of fuel sensor, detection part can detect the axial displacement signal of float 9, in addition, by fuel sensor self, can measure the closed resistance signal of float 9 positions, by obtaining the axial displacement signal of float 9 and corresponding closed resistance signal, can obtain the relation curve of float 9 displacements and closed resistance resistance, compared with prior art, the displacement signal that obtains float 9 in the present invention is not subject to the impact of existing liquid level, can obtain on the different sections of fuel sensor, different linear relationship curves between float 9 displacements and corresponding resistance, can obtain the linearity curve of the different sections of fuel sensor, for writing of piece-wise linearization handling procedure provides foundation.And this test mode measuring accuracy is higher.
In a kind of embodiment, positioning element can comprise that the first bearing 2 and the second bearing 3, the first bearings 2 and described the second bearing 3 are respectively used to locate tail end and the head end of tested fuel sensor; The path end of tested fuel sensor is defined as to tail end herein, its bigger diameter end portion is defined as to head end.
The first groove and the second groove that on the first bearing 2 and the second bearing 3, setting and tail end and head end are fixed respectively, the tail end of fuel sensor and head end are located at respectively the first groove and the second inside grooves.
Utilize the both ends of the first bearing 2 and 3 pairs of tested fuel sensors of the second bearing to position, can realize the fixing reliability of tested fuel sensor.
Usually, according to the difference of environment for use, the length of fuel sensor is also different, in order to increase the test all-purpose of experiment table to the fuel sensor of different length, can also arrange as follows.
Further, the first bearing 2 and described the second bearing 3 at least both one of be flexibly connected with pedestal 1 so that the first bearing 2 and described the second bearing 3 vertically distance adjustable.
In a kind of embodiment, the first bearing 2 is fixed on pedestal 1, and the first bearing 2 is hold-down support, and the second bearing 3 is movable bearing support, starts to have the first guide rail on pedestal 1, and the second bearing 3 is located at the first guide rail 41 inside, can slide along the first guide rail 41.The movable connection method of certain above-mentioned bearing and pedestal 1 is not limited to slip, also can adopt other mode, for example, some tools mount pad at regular intervals is set on pedestal 1, for the fixing fuel sensor of different length.
A kind of preferred embodiment in, on pedestal 1, be also provided with the slide block assembly being fixedly connected with float 9, slide block assembly and pedestal 1 are slidably connected vertically.In this embodiment, only need manually stir slide block assembly, slide block assembly can drive float 9 along pedestal 1 axially-movable, moves more steady.In addition, can realize the detection of float 9 displacements by detecting the displacement of slide block assembly like this, simple.
In a kind of embodiment, slide block assembly comprises slider part 6 and the hold assembly 5 being connected with slider part 6, slider part 6 is slidably connected with pedestal 1, as shown in Figure 1, on pedestal 1, can be provided with the second guide rail 42 arranging vertically, slider part 6 is located at the second guide rail 42 inside, can slide along the second guide rail 42.Hold assembly 5 is provided with holding tank, and float 9 is fixedly arranged on the inside of holding tank.Holding tank can play the effect of support to a certain extent to float 9 like this, is conducive to axial smooth sliding.
For the fuel sensor of different model, the height of float 9 relative pedestal 1 surface levels is also different, for the ease of clamping, also can arrange as follows.
Further, hold assembly 5 is vertically flexibly connected with slider part 6, to regulate the height of hold assembly 5.
It should be noted that, vertical direction is herein all with the position definition between Fig. 1 parts, is only succinct for description technique scheme, it will be understood by those skilled in the art that the noun of locality using should not limit protection domain herein herein.
Detection part in the respective embodiments described above can be dragline type length measurement sensor 7, and the end of dragline type length measurement sensor 7 is fixed on slide block assembly.Dragline type length measurement sensor 7 arranges easy, and cost compare is low, can reduce the use cost of experiment table.
In the various embodiments described above, on pedestal 1, can also be provided with splicing ear 10, signal output part connects splicing ear 10 by signal wire.By splicing ear 10, realize the connection of sensor and peripheral control unit, simple for structure.
Incorporated by reference to Fig. 2, Fig. 2 is the schematic diagram of the display interface of test macro in a kind of embodiment provided by the invention.
On the basis of above-mentioned experiment table, a kind of test macro of fuel sensor is also provided herein, comprise the experiment table described in above-mentioned arbitrary embodiment, this system also comprises with lower member:
Control module, for receiving the resistance signal of the tested fuel sensor on experiment table and the float of detection part 9 displacement signals, and generate resistance and the displacement relation figure of tested fuel sensor according to resistance signal and displacement signal matching, and send the idsplay order that shows resistance and displacement relation figure.
Display interface, receives idsplay order, and shows above-mentioned resistance and displacement relation figure.
This test macro is by float 9 displacement signals and closed resistance signal that experiment table is gathered, matching generates resistance and the displacement relation figure of tested fuel sensor, and resistance and displacement relation figure are shown on display interface, tester can, according to graph of a relation shown on display interface, observe the linearity curve of tested fuel sensor intuitively.
Further, control module also, further according to the resistance signal of current time detection, is sent the steering order of digital quantity corresponding to demonstration current time resistance and this resistance; Display interface receives above-mentioned steering order, and shows resistance and the digital quantity corresponding to this resistance of current time.
Further, in control module, also prestore float 9 corresponding resistance standard value when concrete displacement, the resistance signal that control module further detects according to current time and corresponding resistance standard value, judge that whether tested fuel sensor is in normal condition, if in abnomal condition, failure cause is shown on display interface.Certainly on display interface, can be provided with and specialize in the failure cause viewing area that failure cause shows.
Like this, tester only need, by the failure cause showing on display interface, just can intuitively understand the fault of tested fuel sensor, without analytical calculation again.
A kind of preferred embodiment in, control module also comprises virtual fuel sensor module, for creating the dummy model 30 of fuel sensor and being shown in display interface, and the real time position that shows float 9 is on dummy model 30.Dummy model 30 by the fuel sensor on display interface can intuitively show float 9 corresponding resistance and digital quantity corresponding to this resistance when diverse location.The described corresponding digital quantity of resistance refers to the actual numerical value reading of controller herein, the digital quantity difference that different resistances are corresponding.Controller is exactly to know current resistance by digital quantity value.。
In the various embodiments described above, when fuel sensor is during in abnomal condition, control module is also sent the steering order of abort situation on virtual fuel sensor that shows float 9.When fuel sensor inside occurs short circuit or opens circuit, can intuitively observe abort situation and failure cause by the change color of virtual fuel sensor location point.
In the various embodiments described above, control module also stores some float 9 calibration position, and control module can also be sent the tested resistance of tested fuel sensor and the steering order of the numerical value of tested displacement on display interface that shows each float 9 calibration position places.Take Fig. 2 as example, and tested resistance and corresponding tested displacement are shown in digital quantity form.
Like this, tester can default in important some floats 9 calibration position in control module in advance, in process of the test, when float 9 is during in corresponding default calibration position, control module is shown in the tested resistance of the tested fuel sensor of this calibration position and tested displacement on display interface, like this, from display interface, tester can intuitively understand the resistance at float 9 calibration position places.
To provided by the present invention, for testing experiment table and the test macro of fuel sensor performance, be described in detail above.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (14)
1. for testing an experiment table for fuel sensor performance, it is characterized in that, comprise pedestal (1), described pedestal (1) is provided with positioning element and detection part;
Described positioning element is used for locating tested fuel sensor in described pedestal (1);
Described detection part is for detection of float (9) axial displacement signal of described tested fuel sensor.
2. experiment table as claimed in claim 1, it is characterized in that, described positioning element comprises the first bearing (2) and the second bearing (3), and described the first bearing (2) and described the second bearing (3) are respectively used to locate tail end and the head end of described tested fuel sensor.
3. experiment table as claimed in claim 2, it is characterized in that, described the first bearing (2) and described the second bearing (3) at least both one of be flexibly connected with described pedestal (1) so that described the first bearing (2) and described the second bearing (3) vertically distance adjustable.
4. the experiment table as described in claims 1 to 3 any one, is characterized in that, is also provided with the slide block assembly being fixedly connected with described float (9) on described pedestal (1), and described slide block assembly and described pedestal (1) are slidably connected vertically.
5. experiment table as claimed in claim 4, it is characterized in that, described slide block assembly comprises slider part (6) and the hold assembly (5) being connected with described slider part (6), described slider part (6) is slidably connected with described pedestal (1), described hold assembly (5) is provided with holding tank, and described float (9) is fixedly arranged on the inside of described holding tank.
6. experiment table as claimed in claim 5, is characterized in that, described hold assembly (5) is vertically flexibly connected with described slider part (6), to regulate the height of described hold assembly (5).
7. experiment table as claimed in claim 4, is characterized in that, described detection part is dragline type length measurement sensor, and the end of described dragline type length measurement sensor is fixed on described slide block assembly.
8. experiment table as claimed in claim 4, is characterized in that, described pedestal is also provided with splicing ear on (1), and signal output part connects described splicing ear by signal wire.
9. a test macro for fuel sensor, is characterized in that, comprises the experiment table described in the claims 1 to 8 any one, and this system also comprises with lower member:
Control module, for receiving the resistance signal of the tested fuel sensor on described experiment table and the float of detection part (9) displacement signal, and generate resistance and the displacement relation figure of described tested fuel sensor according to described resistance signal and described displacement signal matching, and send the idsplay order that shows described resistance and displacement relation figure.
Display interface, receives described idsplay order, and shows above-mentioned resistance and displacement relation figure.
10. test macro as claimed in claim 9, is characterized in that, described control module also, further according to the described resistance signal of current time detection, is sent the steering order of digital quantity corresponding to demonstration current time resistance and this resistance; Described display interface receives above-mentioned steering order, and shows resistance and the digital quantity corresponding to this resistance of current time.
11. test macros as claimed in claim 9, it is characterized in that, in described control module, also prestore float (9) corresponding resistance standard value when concrete displacement, the described resistance signal that described control module further detects according to current time and corresponding resistance standard value, judge that whether described tested fuel sensor is in normal condition, if in abnomal condition, failure cause is shown on described display interface.
12. test macros as claimed in claim 11, it is characterized in that, described control module also comprises virtual fuel sensor module, for creating the dummy model (30) of described fuel sensor and being shown in described display interface, and the real time position that shows described float (9) is on described dummy model.
13. test macros as claimed in claim 11, is characterized in that, when described fuel sensor is during in abnomal condition, described control module is also sent the steering order of abort situation on described virtual fuel sensor that shows described float (9).
14. test macros as described in claim 9 to 13 any one, it is characterized in that, described control module also stores some floats (9) calibration position, and described control module is also sent the tested resistance of tested fuel sensor and the steering order of the numerical value of tested displacement on described display interface that shows described float (9) calibration position place.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136253A (en) * | 2015-09-07 | 2015-12-09 | 丹东通博电器(集团)有限公司 | Magnetostrictive liquid level meter detection device |
| 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 |
| 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 |
| CN106197620A (en) * | 2015-04-30 | 2016-12-07 | 洪斐喆 | The detection method of float level conveyer |
| 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 |
| CN109211362A (en) * | 2017-07-03 | 2019-01-15 | 合肥锦佳汽车零部件有限公司 | A kind of detection platform and detection method for fuel pump liquid level sensor assembly |
| CN111678572A (en) * | 2020-06-09 | 2020-09-18 | 合肥邦立电子股份有限公司 | Convertible level sensor detection device |
| CN113701842A (en) * | 2021-08-20 | 2021-11-26 | 宁波水表(集团)股份有限公司 | Water meter with adjustable flow characteristic |
Citations (11)
| 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 | fuel sensor adjusting device |
| US20120167660A1 (en) * | 2008-06-09 | 2012-07-05 | Luna Labs, Inc. | Self-Calibrating Capacitive Transducer for Determining Level of Fluent Materials |
| 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 |
| 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 |
| 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 |
| 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 |
-
2014
- 2014-06-25 CN CN201410294467.1A patent/CN104048736B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120167660A1 (en) * | 2008-06-09 | 2012-07-05 | Luna Labs, Inc. | Self-Calibrating Capacitive Transducer for Determining Level of Fluent Materials |
| 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 | fuel sensor adjusting device |
| 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 |
| 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 |
| 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 |
| 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 |
|---|
| 邱淑贤: "汽车用筒式磁感应燃油传感器研究", 《吉林师范大学学报（自然科学版）》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197620A (en) * | 2015-04-30 | 2016-12-07 | 洪斐喆 | The detection method of float level conveyer |
| 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 |
| CN105136253A (en) * | 2015-09-07 | 2015-12-09 | 丹东通博电器(集团)有限公司 | Magnetostrictive liquid level meter 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 |
| 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 |
| CN109211362A (en) * | 2017-07-03 | 2019-01-15 | 合肥锦佳汽车零部件有限公司 | A kind of detection platform and detection method for fuel pump liquid level sensor assembly |
| 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 |
| CN111678572A (en) * | 2020-06-09 | 2020-09-18 | 合肥邦立电子股份有限公司 | Convertible level sensor detection device |
| CN113701842A (en) * | 2021-08-20 | 2021-11-26 | 宁波水表(集团)股份有限公司 | Water meter with adjustable flow characteristic |
| 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 |
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