CN115626091A - Method, device, equipment and medium for displaying residual hydrogen amount of hydrogen fuel cell automobile - Google Patents
Method, device, equipment and medium for displaying residual hydrogen amount of hydrogen fuel cell automobile Download PDFInfo
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 560
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 560
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- 239000000446 fuel Substances 0.000 title claims abstract description 94
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/12—Recording operating variables ; Monitoring of operating variables
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention discloses a method for displaying the residual hydrogen amount of a hydrogen fuel cell automobile, which comprises the following steps: acquiring a residual hydrogen state signal, wherein the hydrogen state signal carries a flag bit; judging the current working mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal; acquiring a target residual hydrogen amount display method corresponding to the current working mode according to the current working mode; and executing the target residual hydrogen quantity display method and displaying the target residual hydrogen quantity. The invention provides a display control method of hydrogen remaining mileage aiming at the problem of display jumping of the remaining mileage of the existing hydrogen fuel cell automobile, and the display of the hydrogen remaining quality is reasonably controlled aiming at different working conditions so as to optimize the user experience.
Description
Technical Field
The invention belongs to the field of control of a hydrogen fuel cell engine system, and particularly relates to a method, a device, equipment and a medium for displaying the residual hydrogen amount of a hydrogen fuel cell automobile.
Background
The automobile is used as an important land vehicle, and the life of people is greatly facilitated. However, the current situation that fossil energy is gradually exhausted and environmental problems are more and more severe promotes the rapid transformation of oil vehicles to electric vehicles. The hydrogen fuel cell automobile attracts attention as a solution with zero emission, high efficiency and rapid energy supply. The power system of the hydrogen fuel cell automobile generally comprises a power cell and a hydrogen fuel cell engine, wherein the power cell provides peak power output to meet the dynamic response performance of the whole automobile, and the hydrogen fuel cell engine provides stable and continuous power output, which is the main power source of the whole automobile. However, most of the remaining mileage calculation and display functions of the hydrogen fuel cell vehicle can only display the total remaining mileage, and the pure hydrogen endurance mileage cannot be calculated and displayed independently. For example, publication No. CN111731151 discloses a cruising range display method that displays the total cruising range without calculating the pure hydrogen cruising range.
For a hydrogen fuel cell, due to the influence of temperature and pressure changes, the residual mass of hydrogen calculated by Van der Waals equation changes, so that abnormal jump occurs in the display of the hydrogen residual mileage of an automobile instrument panel, and poor user experience is caused.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a method, an apparatus, a device and a medium for displaying the residual hydrogen amount of a hydrogen fuel cell vehicle, so as to solve the above technical problems.
The invention provides a method for displaying the residual hydrogen amount of a hydrogen fuel cell automobile, which comprises the following steps:
acquiring a residual hydrogen state signal, wherein the hydrogen state signal carries a flag bit;
judging the current working mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal;
acquiring a target residual hydrogen amount display method corresponding to the current working mode according to the current working mode;
and executing the target residual hydrogen quantity display method and displaying the target residual hydrogen quantity.
In one embodiment of the present invention, the operation modes of the hydrogen fuel cell include a standby mode, a hydrogenation mode, a hydrogen using mode, and a transition mode;
in the standby mode, the residual hydrogen amount is unchanged;
in the hydrogenation mode, the residual hydrogen amount is continuously increased;
in the hydrogen using mode, the residual hydrogen amount is continuously reduced;
in the transition mode, the residual hydrogen amount is decreased from constant to continuous stability, and the residual hydrogen amount is increased from constant to continuous stability; wherein the continuous stable decline indicates that the declining hydrogen gas is in the set range in each metering time period, and the continuous stable rise indicates that the increasing hydrogen gas is in the set range in each metering time period.
In an embodiment of the present invention, the determining the mode of the hydrogen fuel cell according to the flag bit of the remaining hydrogen status signal includes:
and searching in an association relation table/graph of the hydrogen fuel cell mode and the zone bit according to the zone bit of the residual hydrogen state signal to obtain the current mode of the hydrogen fuel cell corresponding to the zone bit.
In an embodiment of the present invention, if the current mode is the standby mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
judging the state of the hydrogen fuel cell;
if the hydrogen fuel cell is in a shutdown state, displaying the actual residual hydrogen amount as a target residual hydrogen amount;
and if the hydrogen fuel cell is in a standby state, judging whether the hydrogenation is finished or not, and displaying the actual residual hydrogen amount as the target residual hydrogen amount when the hydrogenation is finished.
In an embodiment of the present invention, if the current mode is the hydrogen addition mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
acquiring the residual hydrogen amount at the current moment and the residual hydrogen amount at the previous moment;
comparing the residual hydrogen amount at the current moment with the residual hydrogen amount at the previous moment;
if the residual hydrogen amount at the current moment is greater than or equal to the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the current moment as a target residual hydrogen amount;
and if the residual hydrogen amount at the current moment is smaller than the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the previous moment as a target residual hydrogen amount.
In an embodiment of the present invention, if the current mode is the hydrogen using mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
acquiring the residual hydrogen amount at the current moment and the residual hydrogen amount at the previous moment;
comparing the residual hydrogen amount at the current moment with the residual hydrogen amount at the previous moment;
if the residual hydrogen amount at the current moment is less than or equal to the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the current moment as a target residual hydrogen amount;
and if the residual hydrogen amount at the current moment is larger than the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the previous moment as a target residual hydrogen amount.
In an embodiment of the present invention, if the current mode is the hydrogen using mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
acquiring the state of a hydrogen storage cylinder;
if the cylinder valve is in a closed state, acquiring a first hydrogen amount and a second hydrogen amount, wherein the first hydrogen amount is an actual residual hydrogen amount at the current moment, and the second hydrogen amount is a displayed residual hydrogen amount at the previous moment;
comparing the first amount of hydrogen with the second amount of hydrogen;
if the first hydrogen amount is greater than or equal to the second hydrogen amount, displaying the second hydrogen amount as a target residual hydrogen amount;
if the first hydrogen amount is smaller than the second hydrogen amount, displaying the first hydrogen amount as a target residual hydrogen amount;
if the cylinder valve is in an open state, acquiring a first hydrogen amount and a second hydrogen amount;
comparing the first amount of hydrogen to the second amount of hydrogen;
if the first hydrogen amount is larger than the second hydrogen amount, displaying the first hydrogen amount as a target residual hydrogen amount;
if the first hydrogen amount is less than or equal to the second hydrogen amount, calculating a first change rate and a second change rate, wherein the first change rate is the change rate of the first hydrogen amount, and the second change rate is the change rate of the second hydrogen amount;
if the second rate of change is greater than the first rate of change, displaying a target amount of remaining hydrogen as the second amount of hydrogen minus the second rate of change;
if the second rate of change is less than or equal to the first rate of change, the target remaining hydrogen amount is displayed as the sum of the second rate of change subtracted from the second hydrogen amount and a correction value.
The invention provides a display device for residual hydrogen amount of a hydrogen fuel cell automobile, which comprises:
the signal acquisition module is used for acquiring a residual hydrogen state signal, and the hydrogen state signal carries a flag bit;
the mode judging module is used for judging the current mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal;
the hydrogen quantity display method determining module is used for acquiring a target residual hydrogen quantity display method corresponding to the current working mode according to the current working mode;
and the execution module is used for executing the target residual hydrogen quantity display method and displaying the target residual hydrogen quantity.
The invention provides an electronic device, comprising:
one or more processors;
and a storage device for storing one or more programs, which when executed by the one or more processors, causes the electronic device to implement the steps of the above-described method for displaying the amount of hydrogen remaining in a hydrogen fuel cell vehicle.
The present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor of a computer, causes the computer to execute the steps of the above-described method for displaying a remaining hydrogen amount of a hydrogen fuel cell vehicle.
The invention has the beneficial effects that: the invention discloses a method, a device, equipment and a medium for displaying the residual hydrogen amount of a hydrogen fuel cell automobile, wherein the method comprises the following steps: acquiring a residual hydrogen state signal, wherein the hydrogen state signal carries a flag bit; judging the current working mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal; acquiring a target residual hydrogen amount display method corresponding to the current working mode according to the current working mode; and executing the target residual hydrogen quantity display method and displaying the target residual hydrogen quantity. The invention provides a display control method of hydrogen remaining mileage aiming at the problem of display jumping of the remaining mileage of the existing hydrogen fuel cell automobile, and the display of the hydrogen remaining quality is reasonably controlled aiming at different working conditions so as to optimize the user experience.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic diagram of an environment for implementing a method for displaying residual hydrogen amount of a hydrogen fuel cell vehicle according to an exemplary embodiment of the present application;
FIG. 2 is a flow chart illustrating a method of displaying the amount of hydrogen remaining in a hydrogen fuel cell vehicle in accordance with an exemplary embodiment of the present application;
FIG. 3 is a flow chart illustrating storage of a constant residual hydrogen mass in an exemplary embodiment of the present application;
FIG. 4 is a flow chart illustrating the display of a constant residual hydrogen mass in an exemplary embodiment of the present application;
FIG. 5 is a flow chart illustrating the residual hydrogen mass rise in an exemplary embodiment of the present application;
FIG. 6 is a flow chart illustrating the degradation of residual hydrogen quality according to an exemplary embodiment of the present application;
FIG. 7 is a flow chart illustrating a residual hydrogen mass transition according to an exemplary embodiment of the present application;
fig. 8 is a flowchart illustrating the remaining hydrogen state judgment according to an exemplary embodiment of the present application;
fig. 9 is a flowchart of a hydrogen remaining amount display device of a hydrogen fuel cell vehicle according to an exemplary embodiment of the present application;
FIG. 10 illustrates a schematic structural diagram of a computer system suitable for use in implementing the electronic device of an embodiment of the present application.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present specification, wherein the following description is made for the embodiments of the present invention with reference to the accompanying drawings and the preferred embodiments. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, amount and proportion of each component in actual implementation can be changed freely, and the layout of the components can be more complicated.
In the following description, numerous details are set forth to provide a more thorough explanation of embodiments of the present invention, however, it will be apparent to one skilled in the art that embodiments of the present invention may be practiced without these specific details, and in other embodiments, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring embodiments of the present invention.
Fig. 1 is a schematic diagram of an exemplary environment for implementing a method for displaying residual hydrogen amount of a hydrogen fuel cell vehicle according to the present application. In the implementation environment, the terminal device 101 and the server 102 are included, and data interaction is performed between the terminal device and the server through wired or wireless. In the implementation environment, the terminal equipment can obtain a residual hydrogen state signal, wherein the hydrogen state signal carries a flag bit; judging the current working mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal; acquiring a target residual hydrogen amount display method corresponding to the current working mode according to the current working mode; and executing the target residual hydrogen quantity display method and displaying the target residual hydrogen quantity. The invention provides a display control method of hydrogen remaining mileage aiming at the problem of display jumping of the remaining mileage of the existing hydrogen fuel cell automobile, and the display of the hydrogen remaining quality is reasonably controlled aiming at different working conditions so as to optimize the user experience.
It should be understood that the number of terminal devices 101 and servers 102 in fig. 1 is merely illustrative. There may be any number of terminal devices 101 and servers 102, as desired.
The terminal device 101 corresponds to a client, and may be any electronic device having a user input interface, including but not limited to a smart phone, a tablet, a notebook computer, a vehicle-mounted computer, and the like, where the user input interface includes but not limited to a touch screen, a keyboard, a physical key, an audio pickup device, and the like.
The server 102 corresponds to a server, may be a server providing various services, may be an independent physical server, may also be a server cluster or a distributed system formed by a plurality of physical servers, and may also be a cloud server providing basic cloud computing services such as a cloud service, a cloud database, cloud computing, a cloud function, cloud storage, a Network service, cloud communication, a middleware service, a domain name service, a security service, a CDN (Content Delivery Network), a big data and an artificial intelligence platform, which is not limited herein.
The terminal device 101 may communicate with the server 102 through a wireless network such as 3G (third generation mobile information technology), 4G (fourth generation mobile information technology), 5G (fifth generation mobile information technology), and the like, which is not limited herein.
Embodiments of the present application respectively provide a method for displaying a remaining hydrogen amount of a hydrogen fuel cell vehicle, a device for displaying a remaining hydrogen amount of a hydrogen fuel cell vehicle, an electronic apparatus, and a computer-readable storage medium, and will be described in detail below.
Referring to fig. 2, fig. 2 is a flowchart illustrating a method for displaying the residual hydrogen amount of a hydrogen fuel cell vehicle according to an exemplary embodiment of the present application. The method may be applied to the implementation environment shown in fig. 1 and specifically executed by the terminal device 101 in the implementation environment. It should be understood that the method may be applied to other exemplary implementation environments and is specifically executed by devices in other implementation environments, and the embodiment does not limit the implementation environment to which the method is applied.
Referring to fig. 2, fig. 2 is a flowchart illustrating an exemplary method for displaying a remaining amount of hydrogen in a hydrogen fuel cell vehicle according to the present application, where the method for displaying a remaining amount of hydrogen in a hydrogen fuel cell vehicle at least includes steps S210 to S240, and the following steps are described in detail:
step S210, acquiring a residual hydrogen state signal, wherein the hydrogen state signal carries a flag bit;
step S220, judging the current working mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal;
step S230, acquiring a target residual hydrogen amount display method corresponding to the current working mode according to the current working mode;
step S240, executing the target remaining hydrogen amount display method, and displaying the target remaining hydrogen amount.
The invention provides a display control method of hydrogen remaining mileage aiming at the problem of display jumping of the remaining mileage of the existing hydrogen fuel cell automobile, and the display of the hydrogen remaining quality is reasonably controlled aiming at different working conditions so as to optimize the user experience.
The respective steps of the method for displaying the remaining hydrogen amount of the hydrogen fuel cell vehicle in the above embodiment will be described in detail below.
In step S210, a remaining hydrogen status signal is obtained, where the hydrogen status signal carries a flag bit.
Various states/parameters of hydrogen in the hydrogen storage cylinder can be obtained through a sensor arranged on the hydrogen storage cylinder, and the sensor data can include the temperature in the cylinder, the pressure in the cylinder, the current hydrogen concentration, the current hydrogen, the opening state of a cylinder valve and other information. The manner in which the sensor data is acquired may be that the executing body of the method acquires the electrical signals of the sensor connected thereto. A residual hydrogen status signal can be generated based on the various signals collected. It should be noted that the remaining hydrogen status signal carries a flag bit, where the flag bit indicates the current mode of the hydrogen fuel cell. In this embodiment, there are a plurality of flag bits, including 0, 1, 2, and 3, and different flag bits correspond to different modes. Of course, the mode corresponding to the flag bit may be calibrated in advance, for example, the flag bit 0 corresponds to the mode a, the flag bit 1 corresponds to the mode B, the flag bit 2 corresponds to the mode C, and the flag bit 3 corresponds to the mode D.
In step S220, determining a current operating mode of the hydrogen fuel cell according to the flag bit of the remaining hydrogen status signal;
the operation modes of the hydrogen fuel cell include a standby mode, a hydrogenation mode, a hydrogen using mode, and a transition mode;
in the standby mode, the residual hydrogen amount is unchanged;
in the hydrogenation mode, the residual hydrogen amount is continuously increased;
in the hydrogen using mode, the residual hydrogen amount is continuously reduced;
in the transition mode, the residual hydrogen amount is decreased from constant to continuous stability, and the residual hydrogen amount is increased from constant to continuous stability; wherein the continuous stable decline indicates that the declining hydrogen gas is in the set range in each metering time period, and the continuous stable rise indicates that the increasing hydrogen gas is in the set range in each metering time period.
Since different flag bits correspond to different modes, in this embodiment, the flag bit "0" of the remaining hydrogen status signal corresponds to the hydrogen adding mode of the hydrogen fuel cell, the flag bit "1" of the remaining hydrogen status signal corresponds to the hydrogen using mode of the hydrogen fuel cell, the flag bit "2" of the remaining hydrogen status signal corresponds to the transition mode of the hydrogen fuel cell, and the flag bit "3" of the remaining hydrogen status signal represents "the standby mode corresponding to the hydrogen fuel cell.
The flag bits of the remaining hydrogen status signal are obtained in the foregoing steps, and since different flag bits correspond to different modes of the hydrogen fuel cell, the current mode of the hydrogen fuel cell can be determined according to the flag bits.
Specifically, the mode of the hydrogen fuel cell is judged according to the flag bit of the residual hydrogen state signal, and the method comprises the following steps:
and searching in an association relation table/graph of the hydrogen fuel cell mode and the zone bit according to the zone bit of the residual hydrogen state signal to obtain the current mode of the hydrogen fuel cell corresponding to the zone bit.
For example, if the flag bit 1 of the acquired remaining hydrogen gas status signal is found, the current mode may be determined to be the hydrogen using mode by looking up in the association table/map of the hydrogen fuel cell mode and the flag bit.
In step S230, a target remaining hydrogen amount display method corresponding to the current operating mode is acquired according to the current operating mode;
in the foregoing steps, it has been determined that the current operating mode is determined according to the flag bit of the remaining hydrogen status signal, and different operating modes correspond to different methods of determining the amount of remaining hydrogen, i.e., target remaining hydrogen amount display methods.
For example, there are a plurality of methods for displaying the remaining hydrogen amount of the entire hydrogen fuel cell, and different methods correspond to different operation modes, and after the operation mode is determined, the corresponding method for displaying the remaining hydrogen amount can be determined.
In step S240, the target remaining hydrogen amount display method is performed to display the target remaining hydrogen amount.
Since the hydrogen fuel cell includes 4 different operation modes, there are 4 different methods for displaying the residual hydrogen amount.
In an embodiment, if the current mode is the standby mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
judging the state of the hydrogen fuel cell;
if the hydrogen fuel cell is in a shutdown state, displaying the actual residual hydrogen amount as a target residual hydrogen amount;
and if the hydrogen fuel cell is in a standby state, judging whether the hydrogenation is finished, and displaying the actual residual hydrogen amount as the target residual hydrogen amount when the hydrogenation is finished.
Specifically, the remaining hydrogen amount in the standby mode is not changed, including both the case of not using hydrogen and the case of not using hydrogen, and at this time, the remaining hydrogen mileage is displayed by two sources: one is from E 2 The value read by the ROM; the other is the residual hydrogen amount simulated by the application layer. Due to execution of E 2 The ROM memory is read when the fuel cell is powered up and stored when the fuel cell is powered down, and can always be the application layer storage value as long as the fuel cell is not powered down.
For the storage of the amount of residual hydrogen, as shown in fig. 3, the following steps are included:
the display of the amount of residual hydrogen, as shown in fig. 4, includes the following steps:
In an embodiment, if the current mode is the hydrogen adding mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
acquiring the residual hydrogen amount at the current moment and the residual hydrogen amount at the previous moment;
comparing the residual hydrogen amount at the current moment with the residual hydrogen amount at the previous moment;
if the residual hydrogen amount at the current moment is greater than or equal to the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the current moment as a target residual hydrogen amount;
and if the residual hydrogen amount at the current moment is smaller than the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the previous moment as a target residual hydrogen amount.
Specifically, when the user hydrogenates, the amount of residual hydrogen increases, as shown in fig. 5, and the method includes the following steps:
and step 113, outputting the residual hydrogen amount at the current moment.
In this way, it is ensured that the residual hydrogen amount (remaining mileage) does not decrease but continuously increases or remains unchanged during the hydrogenation process by the user.
In an embodiment, if the current mode is the hydrogen using mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
acquiring the residual hydrogen amount at the current moment and the residual hydrogen amount at the previous moment;
comparing the residual hydrogen amount at the current moment with the residual hydrogen amount at the previous moment;
if the residual hydrogen amount at the current moment is less than or equal to the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the current moment as a target residual hydrogen amount;
and if the residual hydrogen amount at the current moment is larger than the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the previous moment as a target residual hydrogen amount.
Specifically, when the user uses hydrogen, the amount of the remaining hydrogen decreases, as shown in fig. 6, and the method includes the following steps:
and step 119, outputting the residual hydrogen amount at the current moment.
During the hydrogen consumption process of the user, the residual hydrogen amount (residual mileage) is ensured not to increase, but continuously keeps decreasing or remains unchanged.
In an embodiment, if the current mode is the hydrogen using mode, the executing the target remaining hydrogen amount display method to display the target remaining hydrogen amount includes:
acquiring the state of a hydrogen storage cylinder;
if the cylinder valve state is a closed state, acquiring a first hydrogen amount and a second hydrogen amount, wherein the first hydrogen amount is an actual residual hydrogen amount at the current moment, and the second hydrogen amount is a displayed residual hydrogen amount at the previous moment;
comparing the first amount of hydrogen to the second amount of hydrogen;
if the first hydrogen amount is larger than or equal to the second hydrogen amount, displaying the second hydrogen amount as a target residual hydrogen amount;
if the first hydrogen amount is smaller than the second hydrogen amount, displaying the first hydrogen amount as a target residual hydrogen amount;
if the cylinder valve is in an open state, acquiring a first hydrogen amount and a second hydrogen amount;
comparing the first amount of hydrogen with the second amount of hydrogen;
if the first hydrogen amount is larger than the second hydrogen amount, displaying the first hydrogen amount as a target residual hydrogen amount;
if the first hydrogen amount is less than or equal to the second hydrogen amount, calculating a first change rate and a second change rate, wherein the first change rate is the change rate of the first hydrogen amount, and the second change rate is the change rate of the second hydrogen amount;
if the second change rate is larger than the first change rate, displaying the target residual hydrogen amount as the second hydrogen amount minus the second change rate;
if the second rate of change is less than or equal to the first rate of change, the target hydrogen remaining amount is displayed as the sum of the second rate of change subtracted from the second amount of hydrogen and a correction value.
Specifically, in the transition mode, the remaining hydrogen amount includes: a steady and steady decline from steady to steady, and a steady and steady rise from steady to steady.
Specifically, as shown in fig. 7, this process includes the steps of:
thus, the quality of the residual hydrogen can be ensured to be increased or kept unchanged in the hydrogenation process.
using actual residual hydrogen quantity M at time t 1 Minus the actual residual hydrogen amount M at the previous moment 0 Obtaining the actual change rate Delta M of the residual hydrogen Actual; displaying residual hydrogen quantity M at time t 1 Subtracting the residual hydrogen amount M displayed at the last moment 0 Obtaining the displayed change rate Delta M of the residual hydrogen to display;
and step 130, if the change rate B of the residual hydrogen amount is displayed, and the change rate A of the actual residual hydrogen amount is not less than the change rate A of the actual residual hydrogen amount, the value is assigned to B = B +0.2, and the display amount of the residual hydrogen is output, and the change rate B of the residual hydrogen amount is subtracted.
in this embodiment, the display amount of the remaining hydrogen gas during hydrogen consumption in the hydrogen transient state is corrected by first calculating the hydrogen gas change rate and using the actual remaining hydrogen amount M at time t 1 Subtracting the actual residual hydrogen amount M at the last moment 0 Obtaining the actual change rate Delta M of the residual hydrogen Actual; displaying residual hydrogen quantity M at time t 1 Subtracting the residual hydrogen amount M displayed at the last moment 0 The change rate of the residual hydrogen gas DeltaM is displayed Display device 。
If Δ M Display device >ΔM Practice of Then the displayed hydrogen change rate is maintained, and the displayed hydrogen residual quantity minus delta M is output Display device ；
If Δ M Display device ≤ΔM Practice of Then, the operation 130 is executed to add 0.2 to the displayed hydrogen change rate, and the operation 133 is executed to instruct the output of the displayed hydrogen remaining amount minus the corrected Δ M Display device 。
Thus, the residual quality of the hydrogen gas displayed by the transition state of the hydrogen process can slowly approach the real residual quantity of the hydrogen gas, and the effect of only reducing and not increasing is achieved.
In one embodiment, as shown in fig. 8, the judgment of obtaining the remaining hydrogen state signal includes the following steps:
137, judging whether the hydrogen storage cylinder valve is opened or not, if so, executing 138, otherwise, executing 141;
and step 142, outputting a flag bit of the residual hydrogen state signal to be 1.
In an embodiment, after obtaining the remaining hydrogen amount, the remaining hydrogen amount may be converted to obtain the remaining mileage. It should be noted that the conversion of the remaining hydrogen amount into the remaining mileage can be achieved by the prior art, and will not be described in detail herein.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by functions and internal logic of the process, and should not limit the implementation process of the embodiments of the present invention in any way.
Fig. 9 is a block diagram of a display device of the remaining amount of hydrogen of a hydrogen fuel cell vehicle shown in an exemplary embodiment of the present application. The device can be applied to the implementation environment shown in fig. 1 and is specifically configured in the terminal equipment. The apparatus may also be applied to other exemplary implementation environments and specifically configured in other devices, and the embodiment does not limit the implementation environment to which the apparatus is applied.
As shown in fig. 9, the present application provides a device for displaying the amount of residual hydrogen in a hydrogen fuel cell vehicle, the device comprising:
a signal obtaining module 910, configured to obtain a remaining hydrogen status signal, where the hydrogen status signal carries a flag bit;
a mode judging module 920, configured to judge a current mode of the hydrogen fuel cell according to the flag bit of the remaining hydrogen status signal;
a hydrogen amount display method determining module 930, configured to obtain a target remaining hydrogen amount display method corresponding to the current working mode according to the current working mode;
and an executing module 940, configured to execute the target remaining hydrogen amount displaying method to display the target remaining hydrogen amount.
It should be noted that the device for displaying the remaining hydrogen amount of the hydrogen fuel cell vehicle provided in the foregoing embodiment and the method for displaying the remaining hydrogen amount of the hydrogen fuel cell vehicle provided in the foregoing embodiment belong to the same concept, and the specific manner in which each module and unit perform operations has been described in detail in the method embodiment, and is not described herein again. In practical applications, the display device for displaying the residual hydrogen amount of the hydrogen fuel cell vehicle provided in the above embodiment may be implemented by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to implement all or part of the functions described above, which is not limited herein.
An embodiment of the present application further provides an electronic device, including: one or more processors; a storage device for storing one or more programs that, when executed by the one or more processors, cause the electronic apparatus to implement the method for displaying a remaining hydrogen amount of a hydrogen fuel cell vehicle provided in the above-described embodiments.
FIG. 10 illustrates a schematic structural diagram of a computer system suitable for use in implementing the electronic device of an embodiment of the present application. It should be noted that the computer system of the electronic device shown in fig. 10 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 10, the computer system includes a Central Processing Unit (CPU), which can perform various appropriate actions and processes, such as performing the method described in the above embodiments, according to a program stored in a Read-Only Memory (ROM) or a program loaded from a storage portion into a Random Access Memory (RAM). In the RAM, various programs and data necessary for system operation are also stored. The CPU, ROM, and RAM are connected to each other via a bus. An Input/Output (I/O) interface is also connected to the bus.
The following components are connected to the I/O interface: an input section including a keyboard, a mouse, and the like; an output section including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, a speaker, and the like; a storage section including a hard disk and the like; and a communication section including a network interface card such as a LAN (Local area network) card, a modem, or the like. The communication section performs communication processing via a network such as the internet. The drive is also connected to the I/O interface as needed. A removable medium such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive as necessary, so that the computer program read out therefrom is mounted into the storage section as necessary.
In particular, according to embodiments of the application, the processes described above with reference to the flow diagrams may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising a computer program for performing the method illustrated in flowchart 2. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section, and/or installed from a removable medium. The computer program, when executed by a Central Processing Unit (CPU), performs various functions defined in the system of the present application.
It should be noted that the computer readable media shown in the embodiments of the present application may be computer readable signal media or computer readable storage media or any combination of the two. The computer readable storage medium may be, for example, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a flash Memory, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer-readable signal medium may include a propagated data signal with a computer program embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. The computer program embodied on the computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present application may be implemented by software or hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves.
Another aspect of the present application also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor of a computer, causes the computer to execute the method for displaying the remaining hydrogen amount of a hydrogen fuel cell automobile as described above. The computer-readable storage medium may be included in the electronic device described in the above embodiment, or may exist separately without being incorporated in the electronic device.
Another aspect of the application also provides a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer readable storage medium, and the processor executes the computer instructions, so that the computer device executes the method for displaying the residual hydrogen amount of the hydrogen fuel cell automobile provided in the above embodiments.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention are covered by the claims of the present invention.
Claims (10)
1. A method for displaying the residual hydrogen amount of a hydrogen fuel cell automobile is characterized by comprising the following steps:
acquiring a residual hydrogen state signal, wherein the hydrogen state signal carries a flag bit;
judging the current working mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal;
acquiring a target residual hydrogen amount display method corresponding to the current working mode according to the current working mode;
and executing the target residual hydrogen quantity display method and displaying the target residual hydrogen quantity.
2. The method for displaying the residual hydrogen amount of the hydrogen fuel cell automobile according to claim 1, wherein the operation mode of the hydrogen fuel cell comprises a standby mode, a hydrogenation mode, a hydrogen using mode and a transition mode;
in the standby mode, the residual hydrogen amount is unchanged;
in the hydrogenation mode, the residual hydrogen amount is continuously increased;
in the hydrogen using mode, the residual hydrogen amount continuously decreases;
in the transition mode, the residual hydrogen amount is decreased from constant to continuous stability, and the residual hydrogen amount is increased from constant to continuous stability; wherein the continuous stable decline indicates that the declining hydrogen gas is in the set range in each metering time period, and the continuous stable rise indicates that the increasing hydrogen gas is in the set range in each metering time period.
3. The method for displaying the residual hydrogen amount of the hydrogen fuel cell automobile according to claim 1 or 2, wherein the determining the mode of the hydrogen fuel cell according to the flag bit of the residual hydrogen state signal comprises:
and searching in an association relation table/graph of the hydrogen fuel cell mode and the zone bit according to the zone bit of the residual hydrogen state signal to obtain the current mode of the hydrogen fuel cell corresponding to the zone bit.
4. The method of claim 2, wherein if the current mode is a standby mode, the executing the target remaining hydrogen amount display method to display a target remaining hydrogen amount comprises:
judging the state of the hydrogen fuel cell;
if the hydrogen fuel cell is in a shutdown state, displaying the actual residual hydrogen amount as a target residual hydrogen amount;
and if the hydrogen fuel cell is in a standby state, judging whether the hydrogenation is finished, and displaying the actual residual hydrogen amount as the target residual hydrogen amount when the hydrogenation is finished.
5. The method for displaying the remaining hydrogen amount of the hydrogen fuel cell vehicle according to claim 2, wherein if the current mode is a hydrogen addition mode, the executing the target remaining hydrogen amount display method for displaying the target remaining hydrogen amount includes:
acquiring the residual hydrogen amount at the current moment and the residual hydrogen amount at the previous moment;
comparing the residual hydrogen amount at the current moment with the residual hydrogen amount at the previous moment;
if the residual hydrogen amount at the current moment is greater than or equal to the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the current moment as a target residual hydrogen amount;
and if the residual hydrogen amount at the current moment is smaller than the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the previous moment as a target residual hydrogen amount.
6. The method for displaying remaining hydrogen amount of a hydrogen fuel cell vehicle according to claim 2, wherein if the current mode is a hydrogen-using mode, the executing the target remaining hydrogen amount display method for displaying a target remaining hydrogen amount includes:
acquiring the residual hydrogen amount at the current moment and the residual hydrogen amount at the previous moment;
comparing the residual hydrogen amount at the current moment with the residual hydrogen amount at the previous moment;
if the residual hydrogen amount at the current moment is less than or equal to the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the current moment as a target residual hydrogen amount;
and if the residual hydrogen amount at the current moment is larger than the residual hydrogen amount at the previous moment, displaying the residual hydrogen amount at the previous moment as a target residual hydrogen amount.
7. The method for displaying remaining hydrogen amount of a hydrogen fuel cell vehicle according to claim 2, wherein if the current mode is a hydrogen-using mode, the executing the target remaining hydrogen amount display method for displaying a target remaining hydrogen amount includes:
acquiring the state of a cylinder valve of a hydrogen storage cylinder;
if the cylinder valve state is a closed state, acquiring a first hydrogen amount and a second hydrogen amount, wherein the first hydrogen amount is an actual residual hydrogen amount at the current moment, and the second hydrogen amount is a displayed residual hydrogen amount at the previous moment;
comparing the first amount of hydrogen to the second amount of hydrogen;
if the first hydrogen amount is greater than or equal to the second hydrogen amount, displaying the second hydrogen amount as a target residual hydrogen amount;
if the first hydrogen amount is smaller than the second hydrogen amount, displaying the first hydrogen amount as a target residual hydrogen amount;
if the cylinder valve is in an open state, acquiring a first hydrogen amount and a second hydrogen amount;
comparing the first amount of hydrogen with the second amount of hydrogen;
if the first hydrogen amount is larger than the second hydrogen amount, displaying the first hydrogen amount as a target residual hydrogen amount;
if the first hydrogen amount is less than or equal to the second hydrogen amount, calculating a first change rate and a second change rate, wherein the first change rate is the change rate of the first hydrogen amount, and the second change rate is the change rate of the second hydrogen amount;
if the second change rate is larger than the first change rate, displaying the target residual hydrogen amount as the second hydrogen amount minus the second change rate;
if the second rate of change is less than or equal to the first rate of change, the target hydrogen remaining amount is displayed as the sum of the second rate of change subtracted from the second amount of hydrogen and a correction value.
8. A device for displaying the residual hydrogen amount of a hydrogen fuel cell automobile, which is characterized by comprising:
the signal acquisition module is used for acquiring a residual hydrogen state signal, and the hydrogen state signal carries a flag bit;
the mode judging module is used for judging the current working mode of the hydrogen fuel cell according to the zone bit of the residual hydrogen state signal;
the hydrogen quantity display method determining module is used for acquiring a target residual hydrogen quantity display method corresponding to the current working mode according to the current working mode;
and the execution module is used for executing the target residual hydrogen quantity display method and displaying the target residual hydrogen quantity.
9. An electronic device, characterized in that the electronic device comprises:
one or more processors;
a storage device for storing one or more programs that, when executed by the one or more processors, cause the electronic apparatus to implement the steps of the method for displaying a remaining amount of hydrogen of a hydrogen fuel cell vehicle of any one of claims 1 to 7.
10. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor of a computer, causes the computer to execute the steps of the method for displaying a remaining hydrogen amount of a hydrogen fuel cell vehicle of any one of claims 1 to 7.
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