CN104457875A - Open gravity fuel consumption detector - Google Patents
Open gravity fuel consumption detector Download PDFInfo
- Publication number
- CN104457875A CN104457875A CN201410764734.7A CN201410764734A CN104457875A CN 104457875 A CN104457875 A CN 104457875A CN 201410764734 A CN201410764734 A CN 201410764734A CN 104457875 A CN104457875 A CN 104457875A
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- pin
- resistance
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- operational amplifier
- display
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Abstract
The invention discloses an open gravity fuel consumption detector. The open gravity fuel consumption detector is characterized by comprising a master control circuit, the input end of the master control circuit is connected with a sensing circuit, the output end of the master control circuit is connected with a display circuit, the master control circuit comprises an operational amplifier P1, the sensing circuit comprises a sensing chip P6, the display circuit comprises a display chip U11 and a digital tube display screen U13, a pin 13 of the display chip U11 is connected with a resistor R19, a pin 14 of the display chip U11 is connected with a resistor R18, a pin 15 of the display chip U11 is connected with a resistor R17, and a pin 16 of the display chip U11 is connected with a resistor R1. The sensing circuit weighs the weight of oil consumed by an engine; information is transmitted to the master control circuit; the information is subjected to transforming and encoding by the master control circuit, and then a corresponding oil consumption value is displayed through the display circuit, allowing visualization of the value to the user.
Description
Technical field
the present invention relates to a kind of opening gravity type oil consumption detecting apparatus.
Background technology
Engine production out after, need can come into operation after a series of detection, its test item often comprises engine speed, engine consumption, engine maximum load capability etc.; Wherein, oil consumption is a very main Testing index.
Summary of the invention
The object of this invention is to provide a kind of opening gravity type oil consumption detecting apparatus.
To achieve these goals, by the following technical solutions: a kind of opening gravity type oil consumption detecting apparatus, it is characterized in that: described opening gravity type oil consumption detecting apparatus comprises governor circuit, governor circuit input end connects sensing circuit, and governor circuit output terminal connects display circuit; Described governor circuit comprises operational amplifier P1, is parallel with resistance R86 and electric capacity C9 between 1 pin of described operational amplifier P1 and 2 pin respectively; Resistance R87 and electric capacity C11 is serially connected with between 1 pin of operational amplifier P1 and 4 pin; 2 pin of operational amplifier P1 connect 2.5V power supply by resistance R83, and 2 pin of operational amplifier P1 are also by resistance R89 ground connection; The string of the string of diode D27 and diode D28 composition, electric capacity C10, resistance R88 and diode D3, resistance R80 and two-way admittance diode D26 composition is parallel with respectively between 3 pin of operational amplifier P1 and 4 pin; Resistance R80 is also parallel with resistance R79; Also be connected with external circuit by protective tube F10 between resistance R80 and two-way admittance diode D26; The 4 pin ground connection of operational amplifier P1; 5 pin of operational amplifier P1 connect vdd terminal; Described sensing circuit comprises sensing chip P6; 1 pin of described sensing chip P6 connects power supply VCC end by resistance R17; 2 pin of sensing chip P6 are communicated with 3 pin and pass through resistance R21 ground connection; 4 pin of sensing chip P6 connect power supply VCC end by resistance R20; The 5 pin ground connection of sensing chip P6; Contact resistance R19 between 5 pin of sensing chip P6 and 7 pin; Contact resistance R18 between 6 pin of sensing chip P6 and 8 pin; 8 pin of sensing chip P6 connect power supply VCC end, and 8 pin of sensing chip P6 are also by electric capacity C25 ground connection; Described display circuit comprises display chip U11 and digitron display screen U13; Contact resistance R1 on 16 pin of contact resistance R17 on 15 pin of contact resistance R18 on 14 pin of contact resistance R19 on 13 pin of described display chip U11, display chip U11, display chip U11, display chip U11.
The model of described operational amplifier P1 is P15A.
The model of described display chip U11 is 74HC164.
The present invention weighs up the weight of engine oil consumption by sensing circuit, and this information is passed to governor circuit, by the fuel consumption values of correspondence being shown by display circuit after the conversion decoding of governor circuit, and can the checking of person's straight tube easy to use.
Accompanying drawing explanation
Fig. 1 is the structural drawing of governor circuit in the embodiment of the present invention;
Fig. 2 is the structural drawing of sensing circuit in the embodiment of the present invention;
Fig. 3 is the structural drawing of display chip in display circuit in the embodiment of the present invention;
Fig. 4 is the structural drawing of digitron display screen in display circuit in the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figures 1 to 4, a kind of opening gravity type oil consumption detecting apparatus, comprises governor circuit, and governor circuit input end connects sensing circuit, and governor circuit output terminal connects display circuit; Described governor circuit comprises operational amplifier P1, is parallel with resistance R86 and electric capacity C9 between 1 pin of described operational amplifier P1 and 2 pin respectively; Resistance R87 and electric capacity C11 is serially connected with between 1 pin of operational amplifier P1 and 4 pin; 2 pin of operational amplifier P1 connect 2.5V power supply by resistance R83, and 2 pin of operational amplifier P1 are also by resistance R89 ground connection; The string of the string of diode D27 and diode D28 composition, electric capacity C10, resistance R88 and diode D3, resistance R80 and two-way admittance diode D26 composition is parallel with respectively between 3 pin of operational amplifier P1 and 4 pin; Resistance R80 is also parallel with resistance R79; Also be connected with external circuit by protective tube F10 between resistance R80 and two-way admittance diode D26; The 4 pin ground connection of operational amplifier P1; 5 pin of operational amplifier P1 connect vdd terminal; Described sensing circuit comprises sensing chip P6; 1 pin of described sensing chip P6 connects power supply VCC end by resistance R17; 2 pin of sensing chip P6 are communicated with 3 pin and pass through resistance R21 ground connection; 4 pin of sensing chip P6 connect power supply VCC end by resistance R20; The 5 pin ground connection of sensing chip P6; Contact resistance R19 between 5 pin of sensing chip P6 and 7 pin; Contact resistance R18 between 6 pin of sensing chip P6 and 8 pin; 8 pin of sensing chip P6 connect power supply VCC end, and 8 pin of sensing chip P6 are also by electric capacity C25 ground connection; Described display circuit comprises display chip U11 and digitron display screen U13; Contact resistance R1 on 16 pin of contact resistance R17 on 15 pin of contact resistance R18 on 14 pin of contact resistance R19 on 13 pin of described display chip U11, display chip U11, display chip U11, display chip U11.
The model of described operational amplifier P1 is P15A.
The model of described display chip U11 is 74HC164.
The model of sensing chip P6 is LIS331DL.
The present invention weighs up the weight of engine oil consumption by sensing circuit, and this information is passed to governor circuit, by the fuel consumption values of correspondence being shown by display circuit after the conversion decoding of governor circuit, can person easy to use check intuitively.
Claims (3)
1. an opening gravity type oil consumption detecting apparatus, is characterized in that: described opening gravity type oil consumption detecting apparatus comprises governor circuit, and governor circuit input end connects sensing circuit, and governor circuit output terminal connects display circuit; Described governor circuit comprises operational amplifier P1, is parallel with resistance R86 and electric capacity C9 between 1 pin of described operational amplifier P1 and 2 pin respectively; Resistance R87 and electric capacity C11 is serially connected with between 1 pin of operational amplifier P1 and 4 pin; 2 pin of operational amplifier P1 connect 2.5V power supply by resistance R83, and 2 pin of operational amplifier P1 are also by resistance R89 ground connection; The string of the string of diode D27 and diode D28 composition, electric capacity C10, resistance R88 and diode D3, resistance R80 and two-way admittance diode D26 composition is parallel with respectively between 3 pin of operational amplifier P1 and 4 pin; Resistance R80 is also parallel with resistance R79; Also be connected with external circuit by protective tube F10 between resistance R80 and two-way admittance diode D26; The 4 pin ground connection of operational amplifier P1; 5 pin of operational amplifier P1 connect vdd terminal; Described sensing circuit comprises sensing chip P6; 1 pin of described sensing chip P6 connects power supply VCC end by resistance R17; 2 pin of sensing chip P6 are communicated with 3 pin and pass through resistance R21 ground connection; 4 pin of sensing chip P6 connect power supply VCC end by resistance R20; The 5 pin ground connection of sensing chip P6; Contact resistance R19 between 5 pin of sensing chip P6 and 7 pin; Contact resistance R18 between 6 pin of sensing chip P6 and 8 pin; 8 pin of sensing chip P6 connect power supply VCC end, and 8 pin of sensing chip P6 are also by electric capacity C25 ground connection; Described display circuit comprises display chip U11 and digitron display screen U13; Contact resistance R1 on 16 pin of contact resistance R17 on 15 pin of contact resistance R18 on 14 pin of contact resistance R19 on 13 pin of described display chip U11, display chip U11, display chip U11, display chip U11.
2. opening gravity type oil consumption detecting apparatus as claimed in claim 1, is characterized in that: the model of described operational amplifier P1 is P15A.
3. opening gravity type oil consumption detecting apparatus as claimed in claim 1, is characterized in that: the model of described display chip U11 is 74HC164.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764734.7A CN104457875A (en) | 2014-12-15 | 2014-12-15 | Open gravity fuel consumption detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764734.7A CN104457875A (en) | 2014-12-15 | 2014-12-15 | Open gravity fuel consumption detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104457875A true CN104457875A (en) | 2015-03-25 |
Family
ID=52904300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410764734.7A Pending CN104457875A (en) | 2014-12-15 | 2014-12-15 | Open gravity fuel consumption detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104457875A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029308A2 (en) * | 1979-10-26 | 1981-05-27 | Peter Roseby Cashmore | Electronic fuel consumption measuring apparatus and method |
| CN2101849U (en) * | 1991-09-28 | 1992-04-15 | 中国兵器工业第七○研究所 | Fuel consumed amount measurer |
| CN101476930A (en) * | 2009-01-16 | 2009-07-08 | 上海第二工业大学 | Special batching electronic scale for iron alloy electric furnace |
| CN101979262A (en) * | 2010-10-18 | 2011-02-23 | 浙江吉利汽车研究院有限公司 | Oil consumption prompt system for luggage articles |
| CN203191006U (en) * | 2013-04-09 | 2013-09-11 | 长安大学 | Oil consumption detection device with temperature compensation and signal filter functions |
-
2014
- 2014-12-15 CN CN201410764734.7A patent/CN104457875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0029308A2 (en) * | 1979-10-26 | 1981-05-27 | Peter Roseby Cashmore | Electronic fuel consumption measuring apparatus and method |
| CN2101849U (en) * | 1991-09-28 | 1992-04-15 | 中国兵器工业第七○研究所 | Fuel consumed amount measurer |
| CN101476930A (en) * | 2009-01-16 | 2009-07-08 | 上海第二工业大学 | Special batching electronic scale for iron alloy electric furnace |
| CN101979262A (en) * | 2010-10-18 | 2011-02-23 | 浙江吉利汽车研究院有限公司 | Oil consumption prompt system for luggage articles |
| CN203191006U (en) * | 2013-04-09 | 2013-09-11 | 长安大学 | Oil consumption detection device with temperature compensation and signal filter functions |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |