JPH07103798A - Measuring instrument for amount of fuel consumption - Google Patents
Measuring instrument for amount of fuel consumptionInfo
- Publication number
- JPH07103798A JPH07103798A JP25068293A JP25068293A JPH07103798A JP H07103798 A JPH07103798 A JP H07103798A JP 25068293 A JP25068293 A JP 25068293A JP 25068293 A JP25068293 A JP 25068293A JP H07103798 A JPH07103798 A JP H07103798A
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- temperature
- flow rate
- amount
- consumption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えばガソリンや軽油
等を燃料とし、エンジン等の原動機で消費する燃料の消
費量測定装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for measuring the amount of fuel consumed by a prime mover such as an engine, which uses, for example, gasoline or light oil as fuel.
【０００２】[0002]
【従来の技術】図２は、この種の一般的な、原動機に対
する燃料供給系を示したもので、１は燃料タンク、２は
燃料ポンプ、３はストレーナ、４は流量検出器、５はデ
ィジタル表示器、６はキャブレタである。2. Description of the Related Art FIG. 2 shows a general fuel supply system for a prime mover of this type. 1 is a fuel tank, 2 is a fuel pump, 3 is a strainer, 4 is a flow rate detector, and 5 is a digital. An indicator, 6 is a carburetor.
【０００３】このような構成において、燃料ポンプ２に
よりキャブレタ６に供給される燃料は、流量検出器４に
よりその流量が検出され、時々刻々の瞬時流量や一定時
間の積算流量がディジタル表示器５で演算、表示され
る。In such a structure, the flow rate of the fuel supplied to the carburetor 6 by the fuel pump 2 is detected by the flow rate detector 4, and the instantaneous flow rate and the integrated flow rate for a certain period of time are displayed on the digital display 5. Calculated and displayed.
【０００４】[0004]
【発明が解決しようとする課題】ところで、流量検出器
４は、通常、そこに流れる燃料の容積量を計測するもの
である。例えば、燃料容積に比例して発生するパルス数
を計数する。しかしながら、燃料は温度が変化すると密
度が変化するため、流量検出器の検出値から直ちに正確
な燃料消費量(重量／時間)を計測することは困難であ
り、従って従来は、15℃の標準密度をもって燃料消費量
を算出していた。The flow rate detector 4 normally measures the volume of fuel flowing therein. For example, the number of pulses generated in proportion to the fuel volume is counted. However, since the density of the fuel changes as the temperature changes, it is difficult to immediately measure the fuel consumption (weight / hour) accurately from the value detected by the flow rate detector. Was used to calculate the fuel consumption.
【０００５】本発明は、上記従来技術の問題点を解決し
ようとするもので、流量検出器の検出結果と、そのとき
の燃料の温度から、温度補償された正しい燃料の瞬時消
費量や積算消費量を測定するようにした燃料消費量測定
装置を提供することを目的とする。The present invention is intended to solve the above-mentioned problems of the prior art. Based on the detection result of the flow rate detector and the temperature of the fuel at that time, the temperature-compensated instantaneous consumption amount and integrated consumption amount of the fuel are correct. An object of the present invention is to provide a fuel consumption measuring device adapted to measure the amount.
【０００６】[0006]
【課題を解決するための手段】この目的を達成するため
に、本発明の燃料消費量測定装置は、燃料供給手段と原
動機との間に配設され、前記原動機へ供給される燃料の
流量を検出する流量検出器と、前記原動機へ供給される
燃料の温度を検出する温度検出器と、前記流量検出器の
出力信号と温度検出器の出力信号から前記原動機へ供給
される燃料の消費量(重量／時間)を自動演算して表示す
る燃料消費計とから構成される。In order to achieve this object, a fuel consumption measuring device of the present invention is arranged between fuel supply means and a prime mover, and measures the flow rate of fuel supplied to the prime mover. A flow rate detector for detecting, a temperature detector for detecting the temperature of fuel supplied to the prime mover, an output signal of the flow rate detector and an amount of fuel supplied to the prime mover from an output signal of the temperature detector ( Fuel consumption meter that automatically calculates and displays (weight / time).
【０００７】[0007]
【作用】上記構成によれば、原動機へ供給される燃料の
流量と温度とで、その温度での供給燃料の正確な消費量
(重量／時間)を自動演算して表示するので、時々刻々の
瞬時消費量や一定時間の積算消費量を知ることができ
る。According to the above structure, the flow rate and temperature of the fuel supplied to the prime mover can be used to accurately measure the amount of fuel supplied at that temperature.
Since (weight / time) is automatically calculated and displayed, it is possible to know the momentary consumption amount and the accumulated consumption amount for a certain period of time.
【０００８】[0008]
【実施例】以下、図面を参照して実施例を詳細に説明す
る。図１は、本発明の一実施例の構成をブロック図で示
したものであり、11は、燃料タンク１や燃料ポンプ２、
ストレーナ３等を含む燃料供給手段、12は燃料が供給さ
れる原動機、４は従来のものと同様の燃料の容積流量を
検出する流量検出器、13は原動機12に供給される燃料の
温度を検出する、例えば測温抵抗体等の温度検出器、14
は流量検出器４の出力信号と温度検出器13の出力信号と
を入力し、原動機12へ供給される燃料の重量／時間を内
蔵コンピュータにより自動演算して表示する燃料消費計
である。Embodiments will be described in detail below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, and 11 is a fuel tank 1, a fuel pump 2,
Fuel supply means including a strainer 3, etc., 12 is a prime mover to which fuel is supplied, 4 is a flow rate detector for detecting a volumetric flow rate of fuel similar to the conventional one, and 13 is a temperature of fuel supplied to the prime mover 12. Temperature detector such as resistance temperature detector, 14
Is a fuel consumption meter that receives the output signal of the flow rate detector 4 and the output signal of the temperature detector 13 and automatically calculates and displays the weight / time of the fuel supplied to the prime mover 12 by a built-in computer.
【０００９】燃料は、その温度により体積が変化する。
例えば、 ガソリンの場合、 Ｖ＝Ｖ0[１−0.00126(ｔ
−15)] 軽油の場合 Ｖ＝Ｖ0[１−0.000873
(ｔ−15)] ただし、 Ｖ ：温度ｔ℃での体積 Ｖ0：温度15℃での体積 ｔ ：測定温度(℃) そして、密度は、温度15℃での値を基準(例えば、ガソ
リンの密度：0.73、軽油の密度：0.83)にするので、上
記の体積変化より、任意の温度での密度を算出すること
ができる。さらに、測定温度における密度と供給流量と
から重量／時間を自動演算し、表示するものである。The volume of the fuel changes depending on its temperature.
For example, in the case of gasoline, V = V 0 [1-0.00126 (t
-15)] In the case of light oil V = V 0 [1-0.000873
(t−15)] where, V: volume at temperature t ° C. V 0 : volume at temperature 15 ° C. t: measured temperature (° C.), and density is based on the value at temperature 15 ° C. (for example, for gasoline Since the density is 0.73 and the density of gas oil is 0.83), the density at any temperature can be calculated from the above volume change. Further, the weight / time is automatically calculated and displayed from the density at the measurement temperature and the supply flow rate.
【００１０】上記構成によれば、正確な瞬時消費量や積
算消費量を知ることができ、燃料経済性の測定や実車走
行テスト等に応用できる。According to the above configuration, it is possible to know the exact instantaneous consumption amount and the accumulated consumption amount, and it can be applied to the measurement of fuel economy and the actual vehicle running test.
【００１１】[0011]
【発明の効果】以上説明したように、本発明によれば、
任意の燃料温度における正確な燃料消費量を測定するこ
とが可能となる。As described above, according to the present invention,
It is possible to measure accurate fuel consumption at any fuel temperature.
【図１】本発明の一実施例の構成を示すブロック図であ
る。FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.
【図２】従来の燃料供給系を示す図である。FIG. 2 is a diagram showing a conventional fuel supply system.
４ … 流量検出器、 11 … 燃料供給手段、 12 … 原
動機、 13 … 温度検出器、 14 … 燃料消費計。4 ... Flow rate detector, 11 ... Fuel supply means, 12 ... Engine, 13 ... Temperature detector, 14 ... Fuel consumption meter.
Claims (2)
れ、前記原動機へ供給される燃料の流量を検出する流量
検出器と、前記原動機へ供給される燃料の温度を検出す
る温度検出器と、前記流量検出器の出力信号と前記温度
検出器の出力信号から前記原動機へ供給される燃料の消
費量(重量／時間)を自動演算して表示する燃料消費計と
からなることを特徴とする燃料消費量測定装置。1. A flow rate detector arranged between fuel supply means and a prime mover for detecting a flow rate of fuel supplied to the prime mover, and a temperature detector for detecting a temperature of fuel supplied to the prime mover. And a fuel consumption meter for automatically calculating and displaying the consumption amount (weight / hour) of the fuel supplied to the prime mover from the output signal of the flow rate detector and the output signal of the temperature detector. Fuel consumption measuring device.
消費量は、瞬時消費量及び積算消費量を含むことを特徴
とする請求項１記載の燃料消費量測定装置。2. The fuel consumption amount measuring device according to claim 1, wherein the fuel consumption amount automatically calculated and displayed by the fuel consumption meter includes an instantaneous consumption amount and an integrated consumption amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25068293A JPH07103798A (en) | 1993-10-06 | 1993-10-06 | Measuring instrument for amount of fuel consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25068293A JPH07103798A (en) | 1993-10-06 | 1993-10-06 | Measuring instrument for amount of fuel consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07103798A true JPH07103798A (en) | 1995-04-18 |
Family
ID=17211483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25068293A Pending JPH07103798A (en) | 1993-10-06 | 1993-10-06 | Measuring instrument for amount of fuel consumption |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07103798A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011169848A (en) * | 2010-02-22 | 2011-09-01 | Cosmo Oil Co Ltd | Temperature correction system |
| CN102778268A (en) * | 2011-05-11 | 2012-11-14 | 成都泛华航空仪表电器有限公司 | Integrated measurement system for indirectly measuring oil consumption of vehicular fuel oil |
| CN102778269A (en) * | 2011-05-11 | 2012-11-14 | 成都泛华航空仪表电器有限公司 | Comprehensive measuring system for directly measuring oil consumption of vehicle fuel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593022A (en) * | 1979-01-08 | 1980-07-15 | Toyota Motor Corp | Fuel-consumption instrumentation unit with fuel supply temperature correction circuit |
| JPS5960316A (en) * | 1982-08-31 | 1984-04-06 | アエロ・プロダクト・ウロパ | Device for measuring fuel consumption |
-
1993
- 1993-10-06 JP JP25068293A patent/JPH07103798A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5593022A (en) * | 1979-01-08 | 1980-07-15 | Toyota Motor Corp | Fuel-consumption instrumentation unit with fuel supply temperature correction circuit |
| JPS5960316A (en) * | 1982-08-31 | 1984-04-06 | アエロ・プロダクト・ウロパ | Device for measuring fuel consumption |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011169848A (en) * | 2010-02-22 | 2011-09-01 | Cosmo Oil Co Ltd | Temperature correction system |
| CN102778268A (en) * | 2011-05-11 | 2012-11-14 | 成都泛华航空仪表电器有限公司 | Integrated measurement system for indirectly measuring oil consumption of vehicular fuel oil |
| CN102778269A (en) * | 2011-05-11 | 2012-11-14 | 成都泛华航空仪表电器有限公司 | Comprehensive measuring system for directly measuring oil consumption of vehicle fuel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3528707B2 (en) | Vehicle fuel efficiency measurement device | |
| US4706083A (en) | Fuel economy indicator | |
| JPS5960316A (en) | Device for measuring fuel consumption | |
| US20050229714A1 (en) | Magnetoinductive flow measuring method and magnetoinductive flowmeter | |
| CN106338323A (en) | Site calibration method and calibration system of flowmeter | |
| US4285246A (en) | Intake air flow rate detector | |
| US4005603A (en) | Apparatus for measuring fluid flow | |
| JPH07103798A (en) | Measuring instrument for amount of fuel consumption | |
| WO2000017610A1 (en) | Method and apparatus for estimating fuel consumption for a vehicle | |
| KR101169733B1 (en) | System of fuel measurement and method therof | |
| JPS5633511A (en) | Device for measuring fuel consumption of internal combustion engine for vehicle | |
| JPH0119062Y2 (en) | ||
| JPH0612282B2 (en) | Liquid meter for mobile | |
| JP3117401B2 (en) | Sensor life judgment method | |
| JPS60119418A (en) | Fuel economical efficiency indicator | |
| JPS625614Y2 (en) | ||
| JP3036218B2 (en) | Flowmeter | |
| SU1034999A1 (en) | Method for determining fuel consumption of carburetor internal combustion engines | |
| Rai et al. | A Review On: Digital Fuel Level and Battery Life Indicator | |
| RU2137095C1 (en) | Meter of sp specific fuel consumption by internal combustion engine | |
| RU2014569C1 (en) | Fuel flowmeter | |
| Cui et al. | Evaluation of the uncertainty of the measurement error of transmittance meter | |
| JPS6367130B2 (en) | ||
| JP2763698B2 (en) | Gas meter with safety function | |
| SU1633286A1 (en) | Method for determining instant flow |