CN104864944A - Fuel tank calibrating system and method for vehicle - Google Patents
Fuel tank calibrating system and method for vehicle Download PDFInfo
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- CN104864944A CN104864944A CN201510305776.9A CN201510305776A CN104864944A CN 104864944 A CN104864944 A CN 104864944A CN 201510305776 A CN201510305776 A CN 201510305776A CN 104864944 A CN104864944 A CN 104864944A
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Abstract
The invention discloses a fuel tank calibrating system and method for a vehicle. The fuel tank calibrating system for the vehicle comprises a fuel tank, a measuring cup, a water storing cup and pressure sensors. The water storing cup is used for conveying calibration liquid to the fuel tank and the measuring cup. Probes of the multiple pressure sensors are arranged at the bottom of the water storing cup and the bottom of the fuel tank respectively. The water storing cup conveys the calibration liquid to the fuel tank and the measuring cup. The pressure sensors are used for recording the hydraulic pressure inside the fuel tank and the measuring cup. When the hydraulic pressure inside the fuel tank is in the same with the hydraulic pressure inside the measuring cup, the height of the calibration liquid inside the fuel tank is equal to the height of the calibration liquid inside the measuring cup. According to the fuel tank calibrating system and method for the vehicle, the hydraulic pressure inside the fuel tank is compared with the hydraulic pressure inside the measuring cup, according to the relationship between the intensity of the pressure and the height of the liquid, the height of the liquid inside the fuel tank is obtained according to a scale value of the measuring cup, and therefore continuous height values of the fuel tank can be obtained according to continuous scale values of the measuring cup. The revision accuracy of the fuel tank can be improved, and the accuracy of a fuel gauge is correspondingly improved.
Description
Technical field
The present invention relates to automotive engineering, be specifically related to a kind of fuel tank for automobile calibration system and method.
Background technology
In vehicle use procedure, driver needs the mileage estimating vehicle according to the oil mass of fuel gauge display.When entire vehicle design, the profile of fuel tank of vehicle matches with the profile of other parts of vehicle body, and fuel tank is often designed to irregular thus, thus the number of the oil mass of more difficult acquisition fuel tank, more difficultly revises fuel gauge accurately.
The flow process of revising of prior art intermediate fuel oil table is, first the cumulative volume of fuel tank is measured, then after car load has assembled, at every turn to the demarcation liquid of fuel tank filling 1/4th cumulative volumes, check fuel gauge after each filling accurately to show to make it, fuel gauge obtains and multiplely closes key mapping accurately thus.
The deficiencies in the prior art part is, the check of fuel gauge be only that a few closes key mapping, fuel gauge respectively close show between key mapping there is no direct relation between numerical value and the actual oil mass value of fuel tank, the accuracy of fuel gauge is lower.
Summary of the invention
The object of this invention is to provide a kind of fuel tank for automobile calibration system and method, with the problem that the accuracy solving prior art fuel gauge is lower.
To achieve these goals, the invention provides following technical scheme:
A kind of fuel tank for automobile calibration system, comprising:
Fuel tank;
Measuring cup;
Water storage cup, for demarcating liquid to described fuel tank and measuring cup conveying;
Multiple pressure transducer, its probe is arranged at the bottom of described water storage cup and described fuel tank respectively;
Described water storage cup carries described demarcation liquid respectively to described fuel tank and measuring cup, described pressure transducer is for recording the hydraulic pressure in described fuel tank and described measuring cup, when both hydraulic pressure is identical, the height demarcating liquid in described fuel tank equals the height demarcating liquid in described measuring cup.
Above-mentioned fuel tank for automobile calibration system, the volume of described water storage cup is known.
Above-mentioned fuel tank for automobile calibration system, the volume of described water storage cup is between 1L ~ 10L.
Above-mentioned fuel tank for automobile calibration system, described demarcation liquid is water.
Above-mentioned fuel tank for automobile calibration system, described water storage cup is provided with water inlet pipe and rising pipe, and described water inlet pipe and described rising pipe are provided with valve.
A kind of fuel tank for automobile scaling method, comprises the following steps:
Fuel tank is fixed by car load its assembled form;
Repeatedly add the demarcation liquid of equivalent to fuel tank, and after adding, measure the hydraulic pressure of described fuel tank inner bottom part at every turn;
In a graduated cylinder, add described demarcation liquid, measure the hydraulic pressure bottom graduated cylinder under different liquids height;
Contrasted by the hydraulic pressure of described fuel tank and described graduated cylinder, under identical hydraulic pressure, in described graduated cylinder, the height of liquid is the height of liquid in described fuel tank.
Above-mentioned fuel tank for automobile scaling method, the volume of the demarcation liquid at every turn added to described fuel tank is between 1L to 10L.
Above-mentioned fuel tank for automobile scaling method, the volume of the demarcation liquid at every turn added to described fuel tank is 5L.
Above-mentioned fuel tank for automobile scaling method, also comprises:
Record the filling number of times of the demarcation liquid of described fuel tank, under calculating each hydraulic pressure of described fuel tank, demarcate the adding amount of liquid.
Above-mentioned fuel tank for automobile scaling method, described demarcation liquid is water.
In technique scheme, fuel tank for automobile calibration system provided by the invention and method, hydraulic pressure in fuel tank and the hydraulic pressure in graduated cylinder are contrasted, according to the relation of pressure and liquid height, the height of liquid in fuel tank is obtained by the scale value of graduated cylinder, the continuous height value of fuel tank can be obtained thus by continuous print scale value on graduated cylinder, promote the accuracy that fuel tank is revised thus, the accuracy of corresponding lifting fuel gauge.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the fuel tank for automobile calibration system that Fig. 1 provides for the embodiment of the present invention;
One of process flow diagram of the fuel tank for automobile scaling method that Fig. 2 provides for the embodiment of the present invention;
The process flow diagram two of the fuel tank for automobile scaling method that Fig. 3 provides for the embodiment of the present invention.
Description of reference numerals:
1, fuel tank; 2, measuring cup; 3, water storage cup; 4, support; 5, pressure transducer; 6, display screen; 7, water inlet pipe; 8, rising pipe.
Embodiment
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
As shown in Figure 1, a kind of fuel tank for automobile calibration system that the embodiment of the present invention provides, comprises fuel tank 1, measuring cup 2, water storage cup 3 and pressure transducer 5, and water storage cup 3 demarcates liquid for carrying to fuel tank 1 and measuring cup 2; Multiple pressure transducer 5, its probe is arranged at the bottom of water storage cup 3 and fuel tank 1 respectively; Water storage cup 3 is carried respectively to fuel tank 1 and measuring cup 2 and is demarcated liquid, and pressure transducer 5 is for recording the hydraulic pressure in fuel tank 1 and measuring cup 2, and when both hydraulic pressure is identical, the height demarcating liquid in fuel tank 1 equals the height demarcating liquid in measuring cup 2.
Concrete, what the effect of water storage cup 3 was each equivalent adds demarcation liquid in fuel tank 1.Acting on of measuring cup 2 is carved with scale thereon, the height recording demarcation liquid in it that can be relatively accurate.When fuel tank 1 and measuring cup 2 internal memory contain demarcate liquid, pressure transducer 5 is for recording the hydraulic pressure bottom fuel tank 1 and measuring cup 2, and pressure transducer 5 preferably has two, and two pressure transducers 5 measure the hydraulic pressure bottom fuel tank 1 and measuring cup 2 respectively; Also can be one, measure the hydraulic pressure bottom fuel tank 1 and measuring cup 2 successively.In order to the convenience tested, as shown in Figure 1, can arrange a support 4, water storage cup 3 is fixed on the top of support 4, and measuring cup 2 and fuel tank 1 are placed in the bottom of support 4; For ease of demarcating adding of liquid, for water storage cup 3 arranges water inlet pipe 7 and the rising pipe 8 of band valve; Meanwhile, for convenience of the numerical value of record pressure transducer 5, a display screen 6 is set.During test, first the probe of pressure transducer 5 is fixed on fuel tank 1 inner bottom part, more repeatedly adds equivalent demarcation liquid to it and record its hydraulic pressure value; And then graduated cylinder is carried out demarcating the filling of liquid and hydraulic pressure, writing task that liquid is high.So just obtain a series of hydraulic pressure value of fuel tank 1, obtain the hydraulic pressure of graduated cylinder and the high contrast table of liquid, according to the formula P=ρ gh of hydraulic pressure simultaneously; Hydraulic pressure equals the product of density, gravity coefficient and height, for fuel tank 1 and measuring cup 2, the identical demarcation liquid of both uses, density is identical, gravity coefficient is also identical, namely the hydraulic pressure of graduated cylinder, liquid height contrast table are hydraulic pressure, the liquid height contrast table of this fuel tank 1, just obtain its height value thus, thus obtain a series of height values of fuel tank 1 by a series of hydraulic pressure value of fuel tank 1.
Further, the volume of water storage cup 3 is known.The volume of water storage cup 3 is by filling it up with its volume of liquid measure.When volume is known, record adds the number of water of water storage cup 3, in conjunction with aforesaid hydraulic pressure, liquid height contrast table, can obtain that fuel tank 1 water yield, liquid are high, the contrast table of hydraulic pressure, so far, can regulate the fuel gauge of vehicle according to this contrast table accurately.
As preferably, the volume of water storage cup 3 is between 1L ~ 10L.The volume of water storage cup 3 regulates according to the size of fuel tank 1 and the precision of needs, and the fuel tank 1 of motorcycle is less, can the water storage cup 3 of selection of small, and the fuel tank 1 of truck is comparatively large, can select larger water storage cup 3; In addition, water storage cup 3 is less, and the interval of the hydraulic pressure numerical value of acquisition is less, and precision is higher.
Fuel tank for automobile 1 calibration system that the present embodiment provides, hydraulic pressure in fuel tank 1 and the hydraulic pressure in graduated cylinder are contrasted, according to the relation of pressure and liquid height, the height of liquid in fuel tank 1 is obtained by the scale value of graduated cylinder, the continuous height value of fuel tank 1 can be obtained thus by continuous print scale value on graduated cylinder, promote the accuracy that fuel tank 1 is revised thus, the accuracy of corresponding lifting fuel gauge.
In the present embodiment, demarcate liquid and be preferably water, be convenient to take; The liquid held when fuel tank 1 also can be selected to use, as gasoline or diesel oil, the hydraulic pressure value that so test obtains is the hydraulic pressure value in actual use, more closing to reality.
As shown in Figure 2, the embodiment of the present invention also provides a kind of fuel tank for automobile scaling method, comprises the following steps:
101, fuel tank is fixed by car load its assembled form;
102, repeatedly add the demarcation liquid of equivalent to fuel tank, and after adding, measure the hydraulic pressure of fuel tank inner bottom part at every turn;
103, in a graduated cylinder, add demarcation liquid, measure the hydraulic pressure bottom graduated cylinder under different liquids height;
104, contrasted by the hydraulic pressure of fuel tank and graduated cylinder, under identical hydraulic pressure, in graduated cylinder, the height of liquid is the height of liquid in fuel tank.
The details of above-mentioned steps and acting in aforementioned system is addressed, does not repeat.A series of liquid height values of fuel tank are obtained, for the fine adjustment of fuel gauge provides foundation by above-mentioned steps.
Further, as shown in Figure 3, when the volume of water storage cup is known, also comprise:
105, record the filling number of times of the demarcation liquid of fuel tank, under calculating each hydraulic pressure of fuel tank, demarcate the adding amount of liquid.
So just obtain a series of liquid bulk product value of fuel tank, the fine adjustment for fuel gauge provides further foundation.
The fuel tank for automobile scaling method that the present embodiment provides, hydraulic pressure in fuel tank and the hydraulic pressure in graduated cylinder are contrasted, according to the relation of pressure and liquid height, the height of liquid in fuel tank is obtained by the scale value of graduated cylinder, the continuous height value of fuel tank can be obtained thus by continuous print scale value on graduated cylinder, promote the accuracy that fuel tank is revised thus, the accuracy of corresponding lifting fuel gauge.
Mode above only by illustrating describes some one exemplary embodiment of the present invention, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection domain.
Claims (10)
1. a fuel tank for automobile calibration system, is characterized in that, comprising:
Fuel tank;
Measuring cup;
Water storage cup, for demarcating liquid to described fuel tank and the conveying of described measuring cup;
Multiple pressure transducer, its probe is arranged at the bottom of described water storage cup and described fuel tank respectively;
Described water storage cup carries described demarcation liquid respectively to described fuel tank and measuring cup, described pressure transducer is for recording the hydraulic pressure in described fuel tank and described measuring cup, when both hydraulic pressure is identical, the height demarcating liquid in described fuel tank equals the height demarcating liquid in described measuring cup.
2. fuel tank for automobile calibration system according to claim 1, is characterized in that, the volume of described water storage cup is known.
3. fuel tank for automobile calibration system according to claim 2, is characterized in that, the volume of described water storage cup is between 1L ~ 10L.
4. fuel tank for automobile calibration system according to claim 1, is characterized in that, described demarcation liquid is water.
5. fuel tank for automobile calibration system according to claim 1, is characterized in that, described water storage cup is provided with water inlet pipe and rising pipe, and described water inlet pipe and described rising pipe are provided with valve.
6. a fuel tank for automobile scaling method, is characterized in that, comprises the following steps:
Fuel tank is fixed by car load its assembled form;
Repeatedly add the demarcation liquid of equivalent to fuel tank, and after adding, measure the hydraulic pressure of described fuel tank inner bottom part at every turn;
In a graduated cylinder, add described demarcation liquid, measure the hydraulic pressure bottom graduated cylinder under different liquids height;
Contrasted by the hydraulic pressure of described fuel tank and described graduated cylinder, under identical hydraulic pressure, in described graduated cylinder, the height of liquid is the height of liquid in described fuel tank.
7. fuel tank for automobile scaling method according to claim 6, is characterized in that, the volume of the demarcation liquid at every turn added to described fuel tank is between 1L to 10L.
8. fuel tank for automobile scaling method according to claim 7, is characterized in that, the volume of the demarcation liquid at every turn added to described fuel tank is 5L.
9. fuel tank for automobile scaling method according to claim 6, is characterized in that, also comprise:
Record the filling number of times of the demarcation liquid of described fuel tank, under calculating each hydraulic pressure of described fuel tank, demarcate the adding amount of liquid.
10. fuel tank for automobile scaling method according to claim 6, is characterized in that, described demarcation liquid is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305776.9A CN104864944B (en) | 2015-06-04 | 2015-06-04 | Fuel tank for automobile calibration system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510305776.9A CN104864944B (en) | 2015-06-04 | 2015-06-04 | Fuel tank for automobile calibration system and method |
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| CN104864944A true CN104864944A (en) | 2015-08-26 |
| CN104864944B CN104864944B (en) | 2017-12-22 |
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| CN201510305776.9A Active CN104864944B (en) | 2015-06-04 | 2015-06-04 | Fuel tank for automobile calibration system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114687843A (en) * | 2022-05-19 | 2022-07-01 | 安徽尚蓝环保科技有限公司 | Vehicle urea prompting method, system and device and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114687843A (en) * | 2022-05-19 | 2022-07-01 | 安徽尚蓝环保科技有限公司 | Vehicle urea prompting method, system and device and storage medium |
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| CN104864944B (en) | 2017-12-22 |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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