CN102980623A - Display system of automobile combined meter surplus fuel quantity - Google Patents
Display system of automobile combined meter surplus fuel quantity Download PDFInfo
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- CN102980623A CN102980623A CN 201210447468 CN201210447468A CN102980623A CN 102980623 A CN102980623 A CN 102980623A CN 201210447468 CN201210447468 CN 201210447468 CN 201210447468 A CN201210447468 A CN 201210447468A CN 102980623 A CN102980623 A CN 102980623A
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Abstract
The invention discloses a display system of automobile combined meter surplus fuel quantity. The display system is characterized in that the display system receives fuel sensor, ignition signals, vehicle speed signals and fuel consumption signals for a control unit, and drives a liquid crystal display (LCD) display screen to display at the same time, the ignition signals and the vehicle speed signals are compared with the fuel sensor to judge whether an automobile is refueled or leaks oil or not and the fuel consumption signals are used for judging fuel total consumption quantity after the automobile is refueled. According to the structure and the method, the display system of the automobile combined meter surplus fuel quantity has the advantages of displaying a surplus situation of automobile fuel free from being disturbed from the outside, capable of giving an alarm in time when a sampling value is ineffective, being simple in circuit structure and low in production cost.
Description
Technical field
The present invention relates to the automobile combination meter field, particularly a kind of display system of automobile combination meter Fuel Remained amount.
Background technology
At present, the automobile oil mass table is by microprocessor the resistance signal in the fuel sensor to be carried out being converted into digital signal after the analog sampling, and the segment encode that again digital signal is converted into the step number of motor or LCD screen is realized the indication of vehicle Fuel Oil Remaining.But in the Vehicle Driving Cycle process, since road bump, vehicle turn round and acceleration and deceleration or the long-time factor such as stop in the ramp can cause that the pasta in the fuel tank rocks, cause having a larger deviation for a long time between output oil mass on the fuel sensor and the actual fuel tank fuel quantity, algorithm and strategy that this deviation utilization is present all can't be avoided.Will cause like this fuel level gauge indication on the combination instrument inaccurate, bring wrong judgement to the user.
Provide a kind of novel Fuel Remained amount display system for above-mentioned situation, can not be subjected to the accurate display automobile fuel oil of external interference residue situation is the problem that prior art need to solve.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of display system of automobile combination meter Fuel Remained amount, to reach the purpose that is not subjected to the accurate display automobile fuel oil residue of external interference situation.
For achieving the above object, technical scheme of the present invention is, a kind of display system of automobile combination meter Fuel Remained amount is characterized in that: described display system drives LCD display when being control module reception fuel sensor, ignition signal, vehicle speed signal, oil consumption signal and shows; Ignition signal, vehicle speed signal and fuel sensor compare judges whether automobile refuels or leakage of oil; The oil consumption signal is judged the fuel oil total flow behind the automobile fuel filler.
Described display system is the total amount of fuel after control module is judged last the oiling, calculates total flow again and calculates fr and drive LCD display and carry out fr and must show.
Described display system for the fuel tank fuel quantity when making war fire and the difference of the fuel tank fuel quantity after closing the 8s that lights a fire greater than minimum volume read-out, perhaps stop be not related to behind the igniting 8s and the variation of the oil tank fuel amount of car when starting greater than minimum volume read-out, control module just can judge that fuel tank refuels; Otherwise do not judge and refuel.
Described display system is to rise in the moment that control module judgement vehicle has refueled, and total oil consumption is accumulated again according to the oil consumption signal, otherwise remains unchanged.
In the described display system control module judge refueled last time in, the fuel consume total amount again cumulative calculation of starting from scratch.
A kind of display system of automobile combination meter Fuel Remained amount owing to adopt above-mentioned structure and method, the invention has the advantages that: 1, be not subjected to the accurate display automobile fuel oil residue of external interference situation; 2, can when losing efficacy, sampling numerical value in time report to the police; 3, circuit structure is simple, and production cost is low.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments;
Fig. 1 is the display system architectures block diagram of a kind of automobile combination meter Fuel Remained of the present invention amount;
Fig. 2 is the display system software flow pattern of a kind of automobile combination meter Fuel Remained of the present invention amount;
In Fig. 1,1, control module; 2, fuel sensor; 3, ignition signal; 4, vehicle speed signal; 5, oil consumption signal; 6, LCD display.
Embodiment
As shown in Figure 1, the present invention is that control module 1 drives LCD display 6 when receiving fuel sensor 2, ignition signal 3, vehicle speed signal 4, oil consumption signal 5 and shows; Ignition signal 3, vehicle speed signal 4 are advanced the contrast of 2 row with fuel sensor and are judged whether automobile refuels or leakage of oil; Oil consumption signal 5 is judged the fuel oil total flow behind the automobile fuel filler.
Fuel tank fuel quantity when making war fire and close igniting 8s after the difference of fuel tank fuel quantity greater than minimum volume read-out, perhaps stop be not related to behind the igniting 8s and the variation of the oil tank fuel amount of car when starting greater than minimum volume read-out, control module 1 just can judge that fuel tank refuels; Otherwise do not judge and refuel.The moment that control module 1 judgement vehicle has refueled rises, and total oil consumption is accumulated again according to the oil consumption signal, otherwise remains unchanged.
The present invention is on the basis of original sensor and combination instrument, increase the signal 5 of an oil consumption, utilize the difference of the initial oil mass of fuel tank and oil supply to obtain Fuel Oil Remaining, so just can avoid the problems such as the shake of segment encode of fuel level gauge pointer in the driving process or LCD display 6 and distortion.
The present invention specifically discloses a kind of novel method for controlling fuel meter, comprises following step:
Step 1: gather the vehicle fuel sensing: 2 signal is used for detecting the oil mass in the fuel tank, gathers switch ignition information 3 and vehicle speed signal 4 and is used for judging whether to refuel, and gathers oil consumption signal 5 for detection of total oil consumption.
Step 2: according to state and vehicle speed signal 4 states of switch ignition information 3, current Fuel Oil Remaining and fuel tank fuel quantity judge whether vehicle refuels: the difference of the fuel tank fuel quantity behind the fuel tank fuel quantity when making war fire and the pass igniting 8s is greater than minimum volume read-out, perhaps stop be not related to behind the igniting 8s and the variation of the oil tank fuel amount of car when starting greater than minimum volume read-out, just can judge that fuel tank refuels; Otherwise do not judge and refuel.
Step 3: the initial oil mass of determining fuel tank according to fueling state and fuel tank fuel quantity, if control module 1 is judged to be oiling, current oil mass then, namely previous step battle fire or vehicle take-offs fuel tank fuel quantity constantly be initial oil mass, otherwise the initial oil mass of oil mass remains unchanged.
Step 4: according to vehicle whether initial fuel tank fuel quantity and oil supply are determined in oiling: from judging that the moment that vehicle refueled, total oil consumption is accumulated again according to oil consumption signal 5, otherwise remains unchanged.
Step 5: deduct total oil consumption according to the initial oil mass of determining in the step 3, just can obtain the Fuel Oil Remaining of fuel tank, then under fired state, allow pointer or LCD display 6 segment encodes be indicated to corresponding position.
The technical characterstic that the present invention adopts is: in vehicle traveling process, the Fuel Oil Remaining of combination instrument fuel level gauge indication is to be obtained by the initial oil mass of fuel tank and the difference of oil supply, irrelevant with the fuel tank fuel quantity signal that obtains from fuel sensor 2 processing, it is inaccurate that thereby the fuel tank fuel quantity deviation of signal that the fuel sensor of avoiding road conditions to cause obtains causes oil meter to show, guaranteed accuracy and the reliability of the Fuel Oil Remaining of fuel level gauge indication under the complex road condition.This scheme can be used the existing hardware facility of combination instrument, need not increase the cost of development of hardware, has reduced development cost and the complex software degree of combination instrument.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted technical solution of the present invention to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (5)
1. the display system of an automobile combination meter Fuel Remained amount is characterized in that: described display system is that control module (1) drives LCD display (6) when receiving fuel sensor (2), ignition signal (3), vehicle speed signal (4), oil consumption signal (5) and shows; Ignition signal (3), vehicle speed signal (4) compare with fuel sensor (2) judges whether automobile refuels or leakage of oil; Oil consumption signal (5) is judged the fuel oil total flow behind the automobile fuel filler.
2. the display system of a kind of automobile combination meter Fuel Remained amount according to claim 1, it is characterized in that: described display system is the total amount of fuel after control module (1) is judged last the oiling, calculates total flow again and calculates fr and drive LCD display (6) and carry out fr and must show.
3. the display system of a kind of automobile combination meter Fuel Remained amount according to claim 1 and 2, it is characterized in that: described display system for the fuel tank fuel quantity when making war fire and the difference of the fuel tank fuel quantity after closing the 8s that lights a fire greater than minimum volume read-out, perhaps stop be not related to behind the igniting 8s and the variation of the oil tank fuel amount of car when starting greater than minimum volume read-out, control module (1) just can judge that fuel tank refuels; Otherwise do not judge and refuel.
4. the display system of a kind of automobile combination meter Fuel Remained amount according to claim 1, it is characterized in that: described display system is to rise in the moment that control module (1) judgement vehicle has refueled, total oil consumption is accumulated again according to oil consumption signal (5), otherwise remains unchanged.
5. the display system of a kind of automobile combination meter Fuel Remained amount according to claim 1 is characterized in that: control module in the described display system (1) judge refueled last time in, the fuel consume total amount again cumulative calculation of starting from scratch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210447468 CN102980623A (en) | 2012-11-09 | 2012-11-09 | Display system of automobile combined meter surplus fuel quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210447468 CN102980623A (en) | 2012-11-09 | 2012-11-09 | Display system of automobile combined meter surplus fuel quantity |
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| CN102980623A true CN102980623A (en) | 2013-03-20 |
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| CN 201210447468 Pending CN102980623A (en) | 2012-11-09 | 2012-11-09 | Display system of automobile combined meter surplus fuel quantity |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644951A (en) * | 2013-12-19 | 2014-03-19 | 埃泰克汽车电子(芜湖)有限公司 | Processing method for fuel gauge of automobile combination meter |
| CN104515563A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | System for measuring fuel consumption of automobile |
| CN105004394A (en) * | 2015-05-21 | 2015-10-28 | 航天科技控股集团股份有限公司 | Commercial vehicle fuel leakage and stealing detection method and device |
| CN107499304A (en) * | 2017-09-13 | 2017-12-22 | 无锡商业职业技术学院 | A kind of too low control system of oil tank fuel amount |
| CN107817032A (en) * | 2017-11-15 | 2018-03-20 | 黄山金马科技有限公司 | A kind of oil mass indication mechanism and display methods |
| CN108344463A (en) * | 2017-01-23 | 2018-07-31 | 长城汽车股份有限公司 | Control method, control system and the vehicle of fuel gauge of vehicle |
| CN109682443A (en) * | 2017-10-19 | 2019-04-26 | 华晨汽车集团控股有限公司 | A kind of control method of automobile fuel gauge |
| CN110614918A (en) * | 2019-09-24 | 2019-12-27 | 奇瑞汽车股份有限公司 | Method for judging slope parking and refueling of automobile fuel system |
| CN111121904A (en) * | 2019-12-12 | 2020-05-08 | 深圳联合飞机科技有限公司 | Fuel quantity determination method and device and electronic equipment |
| CN113910904A (en) * | 2021-10-15 | 2022-01-11 | 东风小康汽车有限公司重庆分公司 | Display method and system of fuel gauge |
| CN114973448A (en) * | 2021-02-25 | 2022-08-30 | 博泰车联网科技(上海)股份有限公司 | Method and device for determining oil quantity display, electronic equipment and medium |
-
2012
- 2012-11-09 CN CN 201210447468 patent/CN102980623A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515563A (en) * | 2013-09-29 | 2015-04-15 | 天津台信检测技术有限公司 | System for measuring fuel consumption of automobile |
| CN103644951A (en) * | 2013-12-19 | 2014-03-19 | 埃泰克汽车电子(芜湖)有限公司 | Processing method for fuel gauge of automobile combination meter |
| CN105004394A (en) * | 2015-05-21 | 2015-10-28 | 航天科技控股集团股份有限公司 | Commercial vehicle fuel leakage and stealing detection method and device |
| CN108344463A (en) * | 2017-01-23 | 2018-07-31 | 长城汽车股份有限公司 | Control method, control system and the vehicle of fuel gauge of vehicle |
| CN107499304A (en) * | 2017-09-13 | 2017-12-22 | 无锡商业职业技术学院 | A kind of too low control system of oil tank fuel amount |
| CN109682443A (en) * | 2017-10-19 | 2019-04-26 | 华晨汽车集团控股有限公司 | A kind of control method of automobile fuel gauge |
| CN107817032A (en) * | 2017-11-15 | 2018-03-20 | 黄山金马科技有限公司 | A kind of oil mass indication mechanism and display methods |
| CN110614918A (en) * | 2019-09-24 | 2019-12-27 | 奇瑞汽车股份有限公司 | Method for judging slope parking and refueling of automobile fuel system |
| CN110614918B (en) * | 2019-09-24 | 2022-02-01 | 奇瑞汽车股份有限公司 | Method for judging slope parking and refueling of automobile fuel system |
| CN111121904A (en) * | 2019-12-12 | 2020-05-08 | 深圳联合飞机科技有限公司 | Fuel quantity determination method and device and electronic equipment |
| CN111121904B (en) * | 2019-12-12 | 2022-01-11 | 深圳联合飞机科技有限公司 | Fuel quantity determination method and device and electronic equipment |
| CN114973448A (en) * | 2021-02-25 | 2022-08-30 | 博泰车联网科技(上海)股份有限公司 | Method and device for determining oil quantity display, electronic equipment and medium |
| CN114973448B (en) * | 2021-02-25 | 2023-09-22 | 博泰车联网科技(上海)股份有限公司 | Method and device for determining display oil quantity, electronic equipment and medium |
| CN113910904A (en) * | 2021-10-15 | 2022-01-11 | 东风小康汽车有限公司重庆分公司 | Display method and system of fuel gauge |
| CN113910904B (en) * | 2021-10-15 | 2023-09-01 | 东风小康汽车有限公司重庆分公司 | Display method and system of fuel gauge |
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Application publication date: 20130320 |