CN111660961A - Vehicle fuel consumption calculation method and vehicle - Google Patents
Vehicle fuel consumption calculation method and vehicle Download PDFInfo
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- CN111660961A CN111660961A CN202010574242.7A CN202010574242A CN111660961A CN 111660961 A CN111660961 A CN 111660961A CN 202010574242 A CN202010574242 A CN 202010574242A CN 111660961 A CN111660961 A CN 111660961A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/0321—Fuel tanks characterised by special sensors, the mounting thereof
- B60K2015/03217—Fuel level sensors
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention provides a vehicle fuel consumption calculation method and a vehicle, and belongs to the technical field of vehicle electronics. The calculation method comprises the following steps: calculating a first fuel volume when the vehicle is powered on and a second fuel volume when the vehicle is powered off during a previous driving cycle based on resistance information of the fuel tank level sensor; calculating a third fuel volume when the vehicle is powered on in the current driving period according to the resistance value information of the fuel tank liquid level sensor; judging whether fuel is filled between the previous driving period and the current driving period; if so, taking the difference between the first fuel volume and the second fuel volume as the fuel consumption of the previous driving period; otherwise, the difference between the first fuel volume and the third fuel volume is taken as the fuel consumption of the previous driving cycle. The fuel consumption calculation method and the vehicle can improve the accuracy of the fuel consumption.
Description
Technical Field
The invention relates to the technical field of vehicle electronics, in particular to a vehicle and a fuel consumption calculation method thereof.
Background
The fuel consumption in current market road vehicles is usually calculated by: (1) gasoline calculation mode: and the ECU (an electronic control unit of the engine) calculates the fuel injection quantity according to the air input, corrects the fuel injection quantity according to the working condition, the rotating speed and the like to obtain the single injection quantity, and continuously calculates the integral through the parameters such as the fuel cut-off efficiency, the single injection quantity, the carbon tank estimation quantity, the fuel density and the like to obtain the fuel consumption. (2) Diesel oil calculation mode: the actual circulating fuel injection quantity (hour fuel consumption 1000 1000/60/speed 2/cylinder number)/fuel density. (3) Some manufacturers provide corresponding services for vehicles, adopt plug-in equipment, and perform continuous integral calculation by acquiring signals of oil injection pulse width and according to known oil injection quantity parameters of an oil injector to obtain oil consumption, and provide oil consumption information on display equipment.
However, whether the gasoline engine ECU calculates the intake air amount or the diesel engine ECU calculates the fuel injection amount, certain errors exist, such as fuel injection amount change caused by abrasion of the fuel injector along with use, working capacity change of the carbon tank along with time, and the like. The calculation of adopting external equipment through gathering the oil spout pulse width signal also has corresponding problem, because do not consider the condition that the fuel evaporates the carbon tank desorption, the degree of accuracy is poor, only can be applicable to diesel oil, is not suitable for easily evaporated fuel such as methyl alcohol, petrol.
Disclosure of Invention
An object of a first aspect of the invention is to provide a fuel consumption amount calculation method of a vehicle capable of improving the accuracy of the fuel consumption amount.
Another object of the present invention is to expand the applicability of the calculation method.
It is an object of a second aspect of the invention to provide a vehicle capable of improving the accuracy of fuel consumption.
In particular, the present invention provides a fuel consumption amount calculation method of a vehicle, including:
calculating a first fuel volume when the vehicle is powered on and a second fuel volume when the vehicle is powered off during a previous driving cycle based on resistance information of the fuel tank level sensor;
calculating a third fuel volume when the vehicle is powered on in the current driving period according to the resistance value information of the fuel tank liquid level sensor;
judging whether fuel is filled between the previous driving period and the current driving period;
if so, taking the difference between the first fuel volume and the second fuel volume as the fuel consumption of the previous driving period;
otherwise, the difference between the first fuel volume and the third fuel volume is taken as the fuel consumption of the previous driving cycle.
Optionally, the step of calculating a first fuel volume at power-up and a second fuel volume at power-down of the vehicle during a previous driving cycle based on the resistance information of the fuel tank level sensor comprises:
acquiring a first corresponding relation between a resistance value of a fuel tank liquid level sensor and a liquid level height of a fuel tank and a second corresponding relation between the liquid level height of the fuel tank and a fuel volume of the fuel tank in advance;
receiving resistance value information of the fuel tank liquid level sensor in real time, and calculating liquid level height information of the fuel tank in real time according to the resistance value information and the first corresponding relation;
calculating the first fuel volume according to the liquid level height information received for the first time after the vehicle is powered on in the previous driving period and the second corresponding relation;
and calculating the second fuel volume according to the liquid level height information received last time before the vehicle is powered off in the previous driving period and the second corresponding relation.
Optionally, the first correspondence is stored in an instrument controller of the vehicle and the second correspondence is stored in an engine electronic control unit of the vehicle.
Optionally, the step of calculating the second fuel volume according to the liquid level height information received last time before the vehicle is powered off in the previous driving cycle and the second corresponding relation comprises:
storing the liquid level height information received last time before the vehicle is powered off in the previous driving period to the engine electronic control unit;
and calculating the second fuel volume according to the stored liquid level height information received last time before the vehicle is powered off in the previous driving period and the second corresponding relation after the vehicle is powered on in the current driving period by the electronic engine control unit.
Optionally, the step of calculating a third fuel volume at power-up of the vehicle during the current driving cycle based on the resistance information of the fuel tank level sensor comprises:
and calculating the third fuel volume according to the liquid level height information received for the first time after the vehicle is powered on in the current driving period and the second corresponding relation.
Optionally, the step of determining whether to fuel between the previous driving cycle and the current driving cycle comprises:
determining that fuel has been added between the previous driving cycle and the current driving cycle when the third fuel volume is greater than the second fuel volume;
determining that no fuel is being added between the previous driving cycle and the current driving cycle when the third fuel volume is not greater than the second fuel volume.
In particular, the invention also provides a vehicle comprising:
a fuel tank level sensor for converting a level of a fuel tank of the vehicle into corresponding resistance information;
and the control unit is connected with the fuel tank liquid level sensor and used for calculating a first fuel volume when the vehicle is powered on in the previous driving period and a second fuel volume when the vehicle is powered off in the current driving period according to the resistance value information, judging whether fuel is filled between the previous driving period and the current driving period or not, and taking the difference between the first fuel volume and the second fuel volume as the fuel consumption of the previous driving period when fuel is filled and taking the difference between the first fuel volume and the third fuel volume when fuel is not filled as the fuel consumption of the previous driving period.
Optionally, the control unit comprises:
the instrument controller is connected with the fuel tank liquid level sensor, stores a first corresponding relation and is used for calculating liquid level height information of the fuel tank in real time according to the resistance value information and the first corresponding relation, wherein the first corresponding relation is used for representing the corresponding relation between the resistance value of the fuel tank liquid level sensor and the liquid level height of the fuel tank; and
and the engine electronic control unit is connected with the instrument controller and stores a second corresponding relation, is used for calculating the first fuel volume according to the liquid level height information received for the first time after the vehicle is electrified in the previous driving period and the second corresponding relation, is also used for storing the liquid level height information received for the last time before the vehicle is powered off in the previous driving period, and calculates the second fuel volume according to the stored liquid level height information received for the last time before the vehicle is powered off in the previous driving period and the second corresponding relation after the vehicle is powered on in the current driving period, wherein the second corresponding relation is used for representing the corresponding relation between the liquid level height of the fuel tank and the fuel volume of the fuel tank.
Optionally, the engine electronic control unit is further configured to calculate the third fuel volume according to the liquid level height information received for the first time after the vehicle is powered on in the current driving cycle and the second corresponding relationship.
The invention can ensure the accuracy of the calculated fuel consumption as much as possible by monitoring and calculating the fuel volumes at different stages and adopting different calculation methods under different conditions. And because the calculation data source of the invention only needs to be provided by the fuel tank liquid level sensor, the invention is not influenced by the conditions of abrasion of the fuel injector, change of the working capacity of the carbon tank along with time and desorption of the fuel evaporation carbon tank.
Furthermore, a fuel tank liquid level sensor of the vehicle is in signal connection with an instrument controller, and the instrument controller is in signal connection with an engine electronic control unit through a bus, so that information can be sequentially calculated or stored in corresponding controllers correspondingly, the vehicle does not need to be changed, and only corresponding software programming needs to be carried out.
Further, the present invention provides a method for simply judging whether to fill the parking space with fuel, and the data employed in the judgment process is also data for calculating the fuel consumption amount, so that the calculation amount is small in the whole process and the calculation method is simple.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a flow chart of a fuel consumption calculation method of a vehicle according to one embodiment of the invention;
fig. 2 is a flowchart of a fuel consumption calculation method of a vehicle according to another embodiment of the invention;
fig. 3 is a connection block diagram of a vehicle according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a flowchart of a fuel consumption amount Fc calculation method of a vehicle according to one embodiment of the present invention. As shown in fig. 1, in one embodiment, a fuel consumption Fc calculation method of a vehicle of the invention includes:
step S10: a first fuel volume V1 when the vehicle was powered on and a second fuel volume V2 when the vehicle was powered off during a previous driving cycle are calculated based on resistance information of the fuel tank level sensor 10.
Step S20: a third fuel volume V3 at vehicle power-up during the current driving cycle is calculated based on the resistance information of the fuel tank level sensor 10.
Step S30: judging whether fuel is filled between the previous driving period and the current driving period; if so, go to step S40, otherwise, go to step S50.
Step S40: the difference between the first fuel volume V1 and the second fuel volume V2 is taken as the fuel consumption Fc of the previous driving cycle.
Step S50: the difference between the first fuel volume V1 and the third fuel volume V3 is taken as the fuel consumption Fc of the previous driving cycle.
The fuel volumes at different stages in the present embodiment are monitored and calculated, including a first fuel volume V1 during a previous driving cycle when the vehicle is powered on, a second fuel volume V2 during a previous driving cycle when the vehicle is powered off, and a third fuel volume V3 during a current driving cycle when the vehicle is powered on. Then, a different calculation method of the fuel consumption Fc is selected depending on whether or not the previous driving cycle and the current driving cycle are fueled: the difference between the first fuel volume V1 and the second fuel volume V2 is taken as the fuel consumption Fc of the previous driving cycle when fuelled (method one), and the difference between the first fuel volume V1 and the third fuel volume V3 is taken as the fuel consumption Fc of the previous driving cycle when not fuelled (method two). The first method considers the influence of refueling, and the resistance value information in the second method is provided by the fuel tank liquid level sensor 10 when the vehicle is in a static state and the fuel level does not fluctuate, so that the method is more accurate but not applicable to the refueling condition. According to the invention, different calculation methods are adopted under different conditions through the steps, so that the accuracy of the calculated fuel consumption Fc can be ensured as much as possible. And because the calculation data source of the invention only needs to be provided by the fuel tank liquid level sensor 10, the invention is not influenced by the conditions of abrasion of the fuel injector, change of the working capacity of the carbon tank along with time and desorption of the fuel evaporation carbon tank.
Fig. 2 is a flowchart of a fuel consumption amount Fc calculation method of a vehicle according to another embodiment of the present invention. As shown in fig. 2, in another embodiment, step S10 includes:
step S11: a first correspondence between the resistance value of the fuel tank level sensor 10 and the liquid level height of the fuel tank, and a second correspondence between the liquid level height of the fuel tank and the fuel volume of the fuel tank are acquired in advance.
Step S12: and receiving the resistance value information of the fuel tank liquid level sensor 10 in real time, and calculating the liquid level height information of the fuel tank in real time according to the resistance value information and the first corresponding relation.
Step S13: and calculating a first fuel volume V1 according to the first received liquid level height information after the vehicle is powered on in the previous driving period and the second corresponding relation.
Step S14: a second fuel volume V2 is calculated based on the level height information last received before the vehicle was de-energized during the previous driving cycle and the second correspondence.
The first corresponding relationship and the second corresponding relationship in step S11 may be obtained by sorting test data in advance, and the expression form may be a data correspondence table or a relational expression, as long as the corresponding relationship between the variables can be reflected, which is not limited herein.
Alternatively, the first correspondence relationship is stored in the meter controller 21 of the vehicle, and the second correspondence relationship is stored in the engine electronic control unit 22(ECU) of the vehicle. The arrangement follows the common signal transmission mode in the vehicle in the prior art, generally, the fuel tank liquid level sensor 10 of the vehicle is in signal connection with the instrument controller 21, and the instrument controller 21 is in signal connection with the engine electronic control unit 22 through a bus, so that the information can be sequentially calculated or stored in the corresponding controllers, the vehicle does not need to be changed, and only corresponding software programming is needed.
In step S12, the resistance value information sent by the fuel tank level sensor 10 may be received in real time by the meter controller 21, and the fuel tank level information may be calculated.
Alternatively, as shown in fig. 2, step S20 includes:
step S21: and calculating a first fuel volume V3 according to the first received liquid level height information after the vehicle is electrified in the current driving period and the second corresponding relation.
In a further embodiment, step S14 includes:
storing the last received liquid level height information of the vehicle before the vehicle was powered off in the previous driving cycle to the engine electronic control unit 22;
the second fuel volume V2 is calculated by the engine electronic control unit 22 after the vehicle has been powered on in the current driving cycle based on the stored level height information last received before the vehicle was powered off in the previous driving cycle and the second correspondence.
The liquid level height information last received before the vehicle was powered off during the previous drive cycle is stored to the ECU so that the ECU can calculate the second fuel volume V2 based on the stored liquid level height information in time when the ECU is powered on after the next drive cycle begins.
In another embodiment, step S20 includes:
and calculating a third fuel volume V3 according to the first received liquid level height information after the vehicle is electrified in the current driving period and the second corresponding relation.
The third fuel volume V3 may be calculated from the level height information sent by the gauge controller 21 that the ECU first receives after the current driving cycle is powered on.
As shown in fig. 2, in some embodiments of the invention, step S30 includes:
s31: it is determined whether the third fuel volume V3 is greater than the second fuel volume V2.
Determining that fuel has been added between the previous driving cycle and the current driving cycle when the third fuel volume V3 is greater than the second fuel volume V2; an unfueled period between the previous driving cycle and the current driving cycle is determined when the third fuel volume V3 is not greater than the second fuel volume V2.
The present embodiment provides a method for simply determining whether to fill the parking gap with fuel, and the data employed in the determination process is also data for calculating the fuel consumption amount Fc, so that the entire process is small in calculation amount and the calculation method is simple.
Fig. 3 is a connection block diagram of a vehicle according to an embodiment of the present invention. As shown in FIG. 3, the present invention also provides a vehicle that, in one embodiment, includes a fuel tank level sensor 10 and a control unit 20. The fuel tank level sensor 10 is used to convert the level of the fuel tank of the vehicle into corresponding resistance value information. The control unit 20 is connected to the fuel tank level sensor 10 for calculating a first fuel volume V1 at power-on of the vehicle and a second fuel volume V2 at power-off of the vehicle during a previous driving period, a third fuel volume V3 at power-on of the vehicle during a current driving period based on the resistance information, determining whether to fill between the previous driving period and the current driving period, and taking a difference between the first fuel volume V1 and the second fuel volume V2 when filled with fuel as a fuel consumption Fc for the previous driving period and a difference between the first fuel volume V1 and the third fuel volume V3 when not filled with fuel as a fuel consumption Fc for the previous driving period.
In the embodiment, the accuracy of the calculated fuel consumption Fc can be ensured as much as possible by monitoring and calculating the fuel volumes at different stages and adopting different calculation methods under different conditions. And because the calculation data source of the invention only needs to be provided by the fuel tank liquid level sensor 10, the invention is not influenced by the conditions of abrasion of the fuel injector, change of the working capacity of the carbon tank along with time and desorption of the fuel evaporation carbon tank.
In another embodiment, as shown in fig. 3, the control unit 20 includes an instrument controller 21 and an engine electronic control unit 22. The meter controller 21 is connected to the fuel tank level sensor 10 and stores a first corresponding relationship for calculating the level height information of the fuel tank in real time according to the resistance value information and the first corresponding relationship, wherein the first corresponding relationship is used for representing the corresponding relationship between the resistance value of the fuel tank level sensor 10 and the level height of the fuel tank. The engine electronic control unit 22 is connected to the meter controller 21 and stores a second correspondence, and is configured to calculate a first fuel volume V1 according to the liquid level height information first received after the vehicle is powered on in the previous driving cycle and the second correspondence, store the liquid level height information last received before the vehicle is powered off in the previous driving cycle, and calculate a second fuel volume V2 according to the stored liquid level height information last received before the vehicle is powered off in the previous driving cycle and the second correspondence after the vehicle is powered on in the current driving cycle, where the second correspondence is used to represent the correspondence between the liquid level height of the fuel tank and the fuel volume of the fuel tank.
In a further embodiment, the engine ecu 22 is further configured to calculate the third fuel volume V3 based on the liquid level height information first received after the vehicle is powered on in the current driving cycle and the second corresponding relationship.
In some embodiments of the present invention, the meter controller 21 calculates the liquid level height information of the fuel tank according to the resistance value information sent by the fuel tank liquid level sensor 10, sends the liquid level height information to the bus at a certain frequency, for example, sends a liquid level height message to the bus every 10s, and after the ECU turns ON the vehicle, receives the liquid level height message and calculates the fuel volume according to the second corresponding relationship. The ECU is also configured to store the level height information and the calculated fuel volume information. Then the ECU calculates the fuel consumption Fc using the data at different times in different scenes according to the above, so that the calculated fuel consumption Fc is more accurate.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (9)
1. A fuel consumption amount calculation method for a vehicle, characterized by comprising:
calculating a first fuel volume when the vehicle is powered on and a second fuel volume when the vehicle is powered off during a previous driving cycle based on resistance information of the fuel tank level sensor;
calculating a third fuel volume when the vehicle is powered on in the current driving period according to the resistance value information of the fuel tank liquid level sensor;
judging whether fuel is filled between the previous driving period and the current driving period;
if so, taking the difference between the first fuel volume and the second fuel volume as the fuel consumption of the previous driving period;
otherwise, the difference between the first fuel volume and the third fuel volume is taken as the fuel consumption of the previous driving cycle.
2. The fuel consumption calculation method of a vehicle according to claim 1, wherein the step of calculating the first fuel volume when the vehicle is powered on and the second fuel volume when the vehicle is powered off in the previous driving cycle based on the resistance information of the fuel tank level sensor includes:
acquiring a first corresponding relation between a resistance value of a fuel tank liquid level sensor and a liquid level height of a fuel tank and a second corresponding relation between the liquid level height of the fuel tank and a fuel volume of the fuel tank in advance;
receiving resistance value information of the fuel tank liquid level sensor in real time, and calculating liquid level height information of the fuel tank in real time according to the resistance value information and the first corresponding relation;
calculating the first fuel volume according to the liquid level height information received for the first time after the vehicle is powered on in the previous driving period and the second corresponding relation;
and calculating the second fuel volume according to the liquid level height information received last time before the vehicle is powered off in the previous driving period and the second corresponding relation.
3. The fuel consumption calculation method of a vehicle according to claim 2,
the first correspondence is stored in an instrument controller of the vehicle and the second correspondence is stored in an engine electronic control unit of the vehicle.
4. A fuel consumption calculation method for a vehicle according to claim 3, wherein the step of calculating the second fuel volume based on the liquid level height information received last time before the vehicle was powered off in the previous driving cycle and the second correspondence relationship comprises:
storing the liquid level height information received last time before the vehicle is powered off in the previous driving period to the engine electronic control unit;
and calculating the second fuel volume according to the stored liquid level height information received last time before the vehicle is powered off in the previous driving period and the second corresponding relation after the vehicle is powered on in the current driving period by the electronic engine control unit.
5. The fuel consumption calculation method of a vehicle according to claim 2, wherein the step of calculating a third fuel volume when the vehicle is powered on in a current driving cycle based on the resistance information of the fuel tank level sensor includes:
and calculating the third fuel volume according to the liquid level height information received for the first time after the vehicle is powered on in the current driving period and the second corresponding relation.
6. The fuel consumption calculation method of a vehicle according to any one of claims 1 to 5, wherein the step of determining whether to fill fuel between the previous driving cycle and the current driving cycle includes:
determining that fuel has been added between the previous driving cycle and the current driving cycle when the third fuel volume is greater than the second fuel volume;
determining that no fuel is being added between the previous driving cycle and the current driving cycle when the third fuel volume is not greater than the second fuel volume.
7. A vehicle, characterized by comprising:
a fuel tank level sensor for converting a level of a fuel tank of the vehicle into corresponding resistance information;
and the control unit is connected with the fuel tank liquid level sensor and used for calculating a first fuel volume when the vehicle is powered on in the previous driving period and a second fuel volume when the vehicle is powered off in the current driving period according to the resistance value information, judging whether fuel is filled between the previous driving period and the current driving period or not, and taking the difference between the first fuel volume and the second fuel volume as the fuel consumption of the previous driving period when fuel is filled and taking the difference between the first fuel volume and the third fuel volume when fuel is not filled as the fuel consumption of the previous driving period.
8. The vehicle according to claim 7, characterized in that the control unit includes:
the instrument controller is connected with the fuel tank liquid level sensor, stores a first corresponding relation and is used for calculating liquid level height information of the fuel tank in real time according to the resistance value information and the first corresponding relation, wherein the first corresponding relation is used for representing the corresponding relation between the resistance value of the fuel tank liquid level sensor and the liquid level height of the fuel tank; and
and the engine electronic control unit is connected with the instrument controller and stores a second corresponding relation, is used for calculating the first fuel volume according to the liquid level height information received for the first time after the vehicle is electrified in the previous driving period and the second corresponding relation, is also used for storing the liquid level height information received for the last time before the vehicle is powered off in the previous driving period, and calculates the second fuel volume according to the stored liquid level height information received for the last time before the vehicle is powered off in the previous driving period and the second corresponding relation after the vehicle is powered on in the current driving period, wherein the second corresponding relation is used for representing the corresponding relation between the liquid level height of the fuel tank and the fuel volume of the fuel tank.
9. The vehicle of claim 8,
and the engine electronic control unit is also used for calculating the third fuel volume according to the liquid level height information received for the first time after the vehicle is powered on in the current driving period and the second corresponding relation.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113091844A (en) * | 2021-04-08 | 2021-07-09 | 浙江吉利控股集团有限公司 | Fuel stock display method, device, equipment and storage medium |
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| CN111238600A (en) * | 2020-02-12 | 2020-06-05 | 五羊—本田摩托（广州）有限公司 | Vehicle remaining oil amount detection method and device, vehicle and storage medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091844A (en) * | 2021-04-08 | 2021-07-09 | 浙江吉利控股集团有限公司 | Fuel stock display method, device, equipment and storage medium |
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