CN108627222A - A kind of oil meter nucleus correcting system - Google Patents
A kind of oil meter nucleus correcting system Download PDFInfo
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- CN108627222A CN108627222A CN201810450777.6A CN201810450777A CN108627222A CN 108627222 A CN108627222 A CN 108627222A CN 201810450777 A CN201810450777 A CN 201810450777A CN 108627222 A CN108627222 A CN 108627222A
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- oil
- fuel tank
- signal
- sensor
- relay
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/0084—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume for measuring volume
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of oil meter nucleus correcting systems, wherein including：Oil storage tank, linker, float, float sensor, pressure sensor, flow sensor and processor；Oil storage tank is connected to by oil inlet pipe with fuel tank to be measured；Linker one end is communicated with the bottom opening of fuel tank, another end opening；Float and float sensor are arranged in fuel tank, and float sensor is used to export the resistance signal of float；Pressure sensor is arranged on linker, and is located at same level with the inner bottom surface of fuel tank, and pressure sensor is used for output oil pressure signal；Flow sensor is arranged on oil inlet pipe；Processor is used for continuous acquisition flow signal, fuel injection pressure signal and resistance signal, fluid volume is calculated according to flow signal and acquisition time, liquid level is calculated according to the cross-sectional area of fuel injection pressure signal and linker, and exports fluid volume, liquid level and resistance signal and the variation relation of time.The present invention can in extremely rapid succession check oil meter.
Description
Technical field
The present invention relates to automobile oil gauge Verification Technology field, especially a kind of oil meter nucleus correcting system.
Background technology
Oil meter displaying principle in automobile instrument is：Fuel tank height and fuel tank volume relationship are measured in advance, by fuel tank
Float sensor acquires liquid level, and by exporting respective resistance values to instrument, instrument is shown by preset resistance value
For corresponding oil meter scale (practical is exactly liquid level of fuel oil in fuel tank volume).But the height of liquid level of fuel oil in fuel tank liquid level, corresponding fuel oil body
Long-pending, corresponding resistance value, three are one-to-one relationships.When automobile research, generally by fuel tank producer test fuel tank inner height
With the relationship of volume, fuel oil oil pump producer tests the relationship between the float height and resistance value of oil pump；Final vehicle fuel oil
The corresponding resistance value of vehicle liquid level of fuel oil in fuel tank volume is submitted to instrumentation engineering teacher by engineer, in order to according to resistance value and fuel oil
Relationship between the volume oil meter in instrument shows corresponding fuel tank fuel quantity.
Since test data is tested respectively there are two parts producer, vehicle factor is integrated, deposit after mounting error compared with
Big situation：1, itself error of fuel tank producer test；2, itself error of oil pump producer test；3, it is deposited in vehicle factor output data
In error；4, parts production required precision is very high；5, there are rigging errors etc. after assembling.After finishing assembly, just necessarily
Oil meter is checked, parts producer test at present is essentially all manual test, and personal subjective testing deviation is larger, unanimously
Property is excessively poor.In the prior art, Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of oil pump assy disclosed in the prior art；When check,
Fill the fuel oil of equivalent several times into fuel tank, the height of 1 ＇ of float with fluid increases and increases, while in the band of 1 ＇ of float
Under dynamic, the resistance signal of float sensor 2 ＂ outputs also changes, and the fluid for often filling quota just measures the height of fluid
Degree, and record the resistance signal of float sensor 2 ＂ outputs.Discrete data are finally obtained to be checked to oil meter.
Following defect exists in the prior art：
(1) often inject a certain amount of volume fluid just need measure fluid height and oil meter signal；Easily generate error
And work is larger；
(2) final outputs data error is larger, while data are discrete datas, more accurate only at several fixed values.
Invention content
The object of the present invention is to provide a kind of oil meter nucleus correcting systems, and to solve deficiency in the prior art, it can be to vapour
Vehicle oil meter is accurately checked.
The present invention provides a kind of oil meter nucleus correcting systems, wherein including：Oil storage tank, linker, float, float sensor,
Pressure sensor, flow sensor and processor；
Oil storage tank is connected to by oil inlet pipe with fuel tank to be measured；
Linker one end is communicated with the bottom opening of the fuel tank, another end opening；
Float and float sensor are arranged in the fuel tank, and the float sensor is used to export the electricity of the float
Hinder signal；
Pressure sensor setting is located at same level, institute in the linker, and with the inner bottom surface of the fuel tank
Pressure sensor is stated for output oil pressure signal；
Flow sensor is arranged on the oil inlet pipe, and the flow sensor is used to export the flow signal of fluid；
Processor for flow signal, fuel injection pressure signal and resistance signal described in continuous acquisition, according to the flow signal and
Acquisition time calculates fluid volume, calculates liquid level according to the cross-sectional area of the fuel injection pressure signal and the linker, and defeated
Go out the fluid volume and variation relation of time, the variation relation of the liquid level and time and resistance signal and when
Between variation relation.
Oil meter nucleus correcting system as described above, wherein further include the first oil pump preferably, the first oil pump installation
On the oil inlet pipe, first oil pump is for the fluid in the oil storage tank to be pumped into the fuel tank.
Oil meter nucleus correcting system as described above, wherein further include flowline and the second oil pump preferably；It is described fuel-displaced
One end of pipe is connected to the fuel tank, and the other end is connected to the oil storage tank；Second oil pump is mounted on the flowline,
Second oil pump is for the fluid in the fuel tank to be pumped into the oil storage tank.
Oil meter nucleus correcting system as described above, wherein preferably, oil pump assy, the fuel tank are equipped in the fuel tank
It is connected to respectively with the oil inlet pipe and the flowline by the oil pump assy.
Oil meter nucleus correcting system as described above, wherein further include display preferably, the display and the place
Device electrical connection is managed, the display is for showing the fluid volume and change curve of time, the liquid level and time
Change curve and the resistance signal and time change curve.
Oil meter nucleus correcting system as described above, wherein further include contact switch preferably；
The contact switch is arranged in linker, and the contact switch is located at same level with the fuel tank inner bottom surface
In face；
The contact switch reaches at or above the position of the contact switch for the fluid liquid level in the linker
When be connected, control the processor and be connected respectively with the flow sensor, the float sensor and the pressure sensor.
Oil meter nucleus correcting system as described above, wherein further include the first relay, the second relay and the preferably
Three relays；
First relay is connected between the flow sensor and the processor, and first relay is used for
Control the signal break-make between the flow sensor and the processor；
Second relay is connected between the float sensor and the processor, and second relay is used for
Control the signal break-make between the float sensor and the processor；
The third relay is connected between the pressure sensor and the processor, and the third relay is used for
Control the signal break-make between the pressure sensor and the processor；
The contact switch is electrically connected with first relay, second relay and the third relay respectively
It connects；When fluid liquid level of the contact switch in the linker reaches at or above the position of the contact switch, control
First relay, second relay and the third relay is made to be both turned on.
Compared with prior art, the present invention is by being arranged the oil storage tank being connected to test tank, by continuously to oil to be measured
Fluid is flowed into case, and the pressure of tank bottoms is detected conducive to pressure sensor, passes through the sectional area and calculation of pressure of linker
Go out liquid level, the fluid volume entered in fuel tank is calculated by flow sensor, resistance is measured by float sensor
The variation of signal, so as to export the resistance signal, the change of the fluid volume and the liquid level at any time in real time
Change relationship.Convenient for carrying out continuously accurate check to automobile oil gauge.
Description of the drawings
Fig. 1 is the structural schematic diagram of oil pump assy disclosed in the prior art；
Fig. 2 is the structural schematic diagram for the oil meter nucleus correcting system that invention specific implementation mode proposes.
Reference sign：
1'- floats, 2'- float sensors；
1- oil storage tanks, 2- oil inlet pipes, 3- fuel tanks, 4- linkers, 5- floats, 6- float sensors, 7- pressure sensors, 8-
Flow sensor, 9- processors, the first oil pumps of 10-, 11- flowlines, the second oil pumps of 12-, 13- oil pump assys, 14- displays,
15- contact switch, the first relays of 16-, the second relays of 17-, 18- third relays.
Specific implementation mode
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and cannot be construed to
Limitation of the present invention.
The embodiment of the present invention：As shown in Figure 1, the present invention proposes a kind of oil meter nucleus correcting system, wherein including：Oil storage
Tank 1, linker 4, float 5, float sensor 6, pressure sensor 7 and flow sensor 8；
Oil storage tank 1 is connected to by oil inlet pipe 2 with fuel tank 3 to be measured；
4 one end of linker is communicated with the bottom opening of the fuel tank 3, another end opening；
Float 5 and float sensor 6 are arranged in the fuel tank 3, and the float sensor 6 is for exporting the float
5 resistance signal；
The setting of pressure sensor 7 is located at same level in the linker 4, and with the inner bottom surface of the fuel tank 3,
The pressure sensor 7 is used for output oil pressure signal；
Flow sensor 8 is arranged on the oil inlet pipe 2, and the flow sensor 8 is used to export the flow signal of fluid；
Processor 9 for flow signal, fuel injection pressure signal and resistance signal described in continuous acquisition, according to the flow signal and
Time calculates fluid volume, calculates liquid level according to the cross-sectional area of the fuel injection pressure signal and the linker 4, and export institute
State the variation relation of fluid volume and time, the variation relation of the liquid level and time and the resistance signal and time
Variation relation.
When specifically used, first keep ensureing that fuel tank 3 is sky, one end of linker 4 is connected to the bottom of fuel tank 3, is kept
Linker 4 has the opening that one end of opening is greater than or equal to the fuel tank 3；Arrange flow sensor 8, pressure sensor 7,
Then float 5 and float sensor 6 use oil inlet pipe 2 to be connected to fuel tank 3 and oil storage tank 1, fluid is inputted into fuel tank 3 and passes through place
Manage device timing；The oil pressure letter that processor 9 obtains the resistance signal of the output of the float sensor 6, the pressure sensor 7 exports
Number and the flow sensor 8 export flow signal, meanwhile, the processor 9 calculate fluid volume, as in fuel tank
Fluid volume；And according to fuel injection pressure signal and the cross-sectional area of linker 7, calculate liquid level；Meanwhile processor 9 is defeated in real time
Fuel-displaced liquid product, liquid level, resistance signal change with time relationship, so, it is possible continuously to export fluid volume, liquid level
Highly, the relationship between resistance signal three.Since fluid is successively inputted in fuel tank 3 by oil inlet pipe 2, convenient for continuous
The relationship between fluid volume, liquid level and resistance signal three is exported, convenient for continuously accurately being checked to oil meter progress.
The first oil pump 10 is still further comprised as a preferred method, and first oil pump 10 is mounted on the oil inlet
On pipe 2, first oil pump 10 is for the fluid in the oil storage tank 1 to be pumped into the fuel tank 3.In this way, convenient for will be oily
Liquid is pumped by the first oil pump 10 in fuel tank 1.When it is implemented, can also be by the way that the position of oil storage tank 1 be higher than fuel tank 3
Mode controls fluid and is flowed into fuel tank 3.
Flowline 11 and the second oil pump 12 are still further comprised as a preferred method,；One end of the flowline 11
It is connected to the fuel tank 3, the other end is connected to the oil storage tank 1；Second oil pump 12 is mounted on the flowline 11, institute
The second oil pump 12 is stated for the fluid in the fuel tank 3 to be pumped into the oil storage tank 1.In this way, by the way that flowline 11 is arranged,
Convenient for pumping out fluid from fuel tank 3 after each check, it is convenient for the Reusability of fluid.Further, in the fuel tank 3
Equipped with oil pump assy 13, the fuel tank 3 is connected with the oil inlet pipe 2 and the flowline 11 respectively by the oil pump assy 13
It is logical.When it is implemented, float 5 and float sensor 6 are arranged on oil pump assy 13, oil inlet is provided on oil pump assy 13
Mouth, oil outlet and line interface.
Display 14 is still further comprised as a preferred method, and the display 14 is electrically connected with the processor 9
It connects, the display 14 is used to show the variation of the fluid volume and the change curve of time, the liquid level and time
The change curve of curve and the resistance signal and time..In this way, convenient for intuitively reading the fluid volume and the resistance
The correspondence of signal, in order to be checked to oil meter.
Further include contact switch 15 as a preferred method,；
The contact switch 15 is arranged in linker 4, and the contact switch and 3 inner bottom surface of the fuel tank are positioned at same
In horizontal plane；
Fluid liquid level of the contact switch 15 in the linker 4 reaches at or above the contact switch 15
Be connected when position, control the processor 9 respectively with the flow sensor 8, the float sensor 6 and the pressure sensing
Device 7 is connected.A more step, further include the first relay 16, the second relay 17 and third relay 18；
First relay 16 is connected between the flow sensor 8 and the processor 9, first relay
16 for controlling the signal break-make between the flow sensor 8 and the processor 9；
Second relay 17 is connected between the float sensor 6 and the processor 9, second relay
17 for controlling the signal break-make between the float sensor 6 and the processor 9；
The third relay 18 is connected between the pressure sensor 7 and the processor 9, the third relay
18 for controlling the signal break-make between the pressure sensor 7 and the processor 9；
The contact switch 15 respectively with first relay 16, second relay 17 and the third relay
18 electrical connections；Fluid liquid level of the contact switch 15 in the linker 4 reaches at or above the contact switch 15
Position when, control first relay 16, second relay 17 and the third relay 18 and be both turned on.In this way,
By the way that contact switch 15, when fluid did not had contact switch 15, contact switch is being arranged with the contour position of 3 inner bottom surface of fuel tank
15 conductings, the first relay 16, the second relay 17 and third relay 18 simultaneously turn on, that is, did not still have contact to open in fluid
When closing 15, processor 9 gets the pressure that resistance signal, the pressure sensor 7 that the float sensor 5 exports export simultaneously
The flow signal of force signal and flow sensor output.
When it is implemented, for the ease of calculating liquid level by fuel injection pressure signal, linker 4 is arranged to prismatic cylinder
Shape, the formula that liquid level is calculated by fuel injection pressure signal are：
H=P (ρ gs)
Wherein, h is liquid level, and P is the oil liquid pressure at pressure sensor, and ρ is the density of fluid, and g accelerates for gravity
Degree, s are the cross-sectional area of linker inner cavity.Specifically, in order to calculate the volume of the fluid in fuel tank 3, formula V=can be passed through
Q × t is calculated, wherein V is the volume of the fluid in fuel tank, and t is the time；Specifically, fuel-displaced in order to more precisely calculate
The volume of fluid in case 3, it is also necessary to subtract the volume of 4 inner fluid of linker, the volume of linker inner fluid particularly may be divided into
Part more than 3 inner bottom surface of fuel tank and 3 inner bottom surface of fuel tank part below.Fluid in linker is located inside fuel tank 3
Part more than bottom surface can be calculated by liquid level h and the cross-sectional area of linker 4, and the fluid position in linker 4
It is fixed value in 3 inner bottom surface of fuel tank part below, can be learnt by measuring.
It will be appreciated to those of skill in the art that since one end of linker 4 and the bottom opening of the fuel tank 3 connect
It is logical, another end opening；Liquid level in linker 4 is the liquid level in fuel tank 3.And liquid level described herein is high
Degree refers to height of the liquid in linker 4 higher than 3 inner bottom surface of fuel tank.
The structure, feature and effect of the present invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Change made by thinking, or is revised as the equivalent embodiment of equivalent variations, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (7)
1. a kind of oil meter nucleus correcting system, which is characterized in that including：
Oil storage tank (1) is connected to by oil inlet pipe (2) with fuel tank (3) to be measured；
Linker (4), one end are communicated with the bottom opening of the fuel tank (3), another end opening；
Float (5) and float sensor (6), in the fuel tank (3), the float sensor (6) is described for exporting for setting
The resistance signal of float (5)；
Pressure sensor (7), setting are located at same level in the linker (4) with the inner bottom surface of the fuel tank (3)
Face, the pressure sensor (7) are used for output oil pressure signal；
Flow sensor (8) is arranged on the oil inlet pipe (2), and the flow sensor (8) is used to export the flow letter of fluid
Number；
Processor (9), for flow signal, fuel injection pressure signal and resistance signal described in continuous acquisition, according to the flow signal and
Acquisition time calculates fluid volume, and liquid level is calculated according to the cross-sectional area of the fuel injection pressure signal and the linker (4), and
Export the fluid volume and variation relation of time, the variation relation of the liquid level and time and resistance signal with
The variation relation of time.
2. oil meter nucleus correcting system according to claim 1, which is characterized in that further include the first oil pump (10), described first
Oil pump (10) is mounted on the oil inlet pipe (2), and first oil pump (10) is for the fluid in the oil storage tank (1) to be pumped into
In to the fuel tank (3).
3. oil meter nucleus correcting system according to claim 1, which is characterized in that further include flowline (11) and the second oil pump
(12)；One end of the flowline (11) is connected to the fuel tank (3), and the other end is connected to the oil storage tank (1)；Described second
Oil pump (12) is mounted on the flowline (11), and second oil pump (12) is for the fluid in the fuel tank (3) to be pumped into
In to the oil storage tank (1).
4. oil meter nucleus correcting system according to claim 3, which is characterized in that be equipped with oil pump assy in the fuel tank (3)
(13), the fuel tank (3) is connected to the oil inlet pipe (2) and the flowline (11) respectively by the oil pump assy (13).
5. oil meter nucleus correcting system according to claim 1, which is characterized in that further include display (14), the display
(14) be electrically connected with the processor (9), the display (14) for show the fluid volume and the change curve of time,
The change curve of the liquid level and the change curve of time and the resistance signal and time.
6. oil meter nucleus correcting system according to claim 1, which is characterized in that further include contact switch (15)；
Contact switch (15) setting is in linker (4), and the contact switch (15) and the fuel tank (3) inner bottom surface position
In in same level；
Fluid liquid level of the contact switch (15) in the linker (4) reaches at or above the contact switch (15)
Position when be connected, control the processor (9) respectively with the flow sensor (8), the float sensor (6) and described
Pressure sensor (7) is connected.
7. oil meter nucleus correcting system according to claim 6, which is characterized in that further include the first relay (16), second after
Electric appliance (17) and third relay (18)；
First relay (16) is connected between the flow sensor (8) and the processor (9), first relay
Device (16) is used to control the signal break-make between the flow sensor (8) and the processor (9)；
Second relay (17) is connected between the float sensor (6) and the processor (9), second relay
Device (17) is used to control the signal break-make between the float sensor (6) and the processor (9)；
The third relay (18) is connected between the pressure sensor (7) and the processor (9), the third relay
Device (18) is used to control the signal break-make between the pressure sensor (7) and the processor (9)；
The contact switch (15) respectively with first relay (16), second relay (17) and the third relay
Device (18) is electrically connected；The contact switch (15) reaches at or above described touch for the fluid liquid level in the linker (4)
When the position of point switch (15), first relay (16), second relay (17) and the third relay are controlled
(18) it is both turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450777.6A CN108627222B (en) | 2018-05-11 | 2018-05-11 | A kind of oil meter nucleus correcting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810450777.6A CN108627222B (en) | 2018-05-11 | 2018-05-11 | A kind of oil meter nucleus correcting system |
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| Publication Number | Publication Date |
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| CN108627222A true CN108627222A (en) | 2018-10-09 |
| CN108627222B CN108627222B (en) | 2019-08-06 |
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ID=63692739
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| CN201810450777.6A Active CN108627222B (en) | 2018-05-11 | 2018-05-11 | A kind of oil meter nucleus correcting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110806894A (en) * | 2019-10-31 | 2020-02-18 | 安徽江淮汽车集团股份有限公司 | Automobile part software version management method, equipment, storage medium and device |
| CN113091858A (en) * | 2021-03-18 | 2021-07-09 | 中国人民解放军海军航空大学青岛校区 | In-situ calibration device for lubricating oil mass |
| CN113635758A (en) * | 2021-08-25 | 2021-11-12 | 重庆万力联兴实业(集团)有限公司 | Fuel liquid level sensing system based on differential pressure |
| CN114876695A (en) * | 2022-04-02 | 2022-08-09 | 华能澜沧江水电股份有限公司 | Method for remotely judging performance reduction of oil pump motor of speed regulator oil pressure device |
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| CN114876695A (en) * | 2022-04-02 | 2022-08-09 | 华能澜沧江水电股份有限公司 | Method for remotely judging performance reduction of oil pump motor of speed regulator oil pressure device |
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|---|---|
| CN108627222B (en) | 2019-08-06 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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