CN112959888A - Method and system for displaying charging state information of hydrogen energy heavy truck - Google Patents
Method and system for displaying charging state information of hydrogen energy heavy truck Download PDFInfo
- Publication number
- CN112959888A CN112959888A CN202110268469.3A CN202110268469A CN112959888A CN 112959888 A CN112959888 A CN 112959888A CN 202110268469 A CN202110268469 A CN 202110268469A CN 112959888 A CN112959888 A CN 112959888A
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- vcu
- heavy truck
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 60
- 239000001257 hydrogen Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- B60K35/00—Arrangement of adaptations of instruments
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- B60K35/28—
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- B60K35/29—
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- B60K35/85—
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- B60K2360/169—
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- B60K2360/195—
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- B60K2360/586—
Abstract
The invention relates to the field of instrument display, and provides a method and a system for displaying charging state information of a hydrogen energy heavy truck, which comprises the following steps: if the VCU of the vehicle control unit detects that the charging gun is inserted into the charging port, the VCU of the vehicle control unit wakes up the instrument through a hard wire; the VCU of the vehicle controller detects whether the hydrogen energy heavy truck is powered off; if the hydrogen energy heavy truck does not power off, the hydrogen energy heavy truck is forbidden to charge, and the instrument prompts the hydrogen energy heavy truck to power off; if the hydrogen energy heavy truck is powered off, the VCU of the vehicle control unit detects the state of the charging gun, obtains charging information, and transmits the charging information to the instrument for display through the gateway; after the preset time T, the VCU of the vehicle control unit stops detecting the state of the charging gun, and the meter automatically extinguishes and enters a dormant state. When the charging device is charged, the instrument is automatically closed after displaying charging information for a period of time, so that the service life of the instrument is prolonged while electric energy is saved; the checking scheme of various charging information is provided, and the charging information can be checked after the instrument is turned off.
Description
Technical Field
The invention relates to the field of instrument display, in particular to a method and a system for displaying charging state information of a hydrogen energy heavy truck.
Background
The hydrogen energy fuel cell heavy truck is called as a hydrogen energy heavy truck for short, the domestic hydrogen energy heavy truck is in a development stage at present, the fuel cell is not full power at present, and the fuel cell and the power cell are mixed to move generally. The power battery needs to be charged, and the existing scheme is that the instrument is always lighted to work at full power during charging, so that energy is not saved, and the service life of the instrument is influenced.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to solve the technical problems that in the prior art, when a hydrogen energy fuel cell is heavily clamped and charged, an instrument is always lighted to work at full power, energy is not saved, and the service life of the instrument is influenced.
In order to achieve the above object, the present invention provides a method for displaying information on a charging state of a hydrogen energy heavy truck, comprising the steps of:
s1: the method comprises the steps that a VCU of a vehicle control unit detects the state of a charging port in real time, and if the VCU of the vehicle control unit detects that a charging gun is inserted into the charging port, the VCU of the vehicle control unit wakes up an instrument through a hard wire;
s2: the VCU of the vehicle controller detects whether the hydrogen energy heavy truck is powered off; if the hydrogen energy heavy truck does not power off, prohibiting the hydrogen energy heavy truck from charging, and prompting the hydrogen energy heavy truck to power off by the instrument; if the hydrogen energy heavy truck is powered off, allowing the hydrogen energy heavy truck to perform charging operation, and entering step S3;
s3: the hydrogen energy heavy truck performs charging operation, the VCU detects the state of the charging gun to obtain charging information, and the charging information is transmitted to the instrument for display through the gateway; after the preset time T, the VCU of the vehicle control unit stops detecting the state of the charging gun, the meter automatically extinguishes and enters a dormant state, and the process is finished.
Preferably, in step S3, the vehicle control unit VCU stops detecting the state of the charging gun, and after the meter is automatically turned off and enters a sleep state, the charging information is checked through the mobile terminal, and the specific steps are as follows:
the mobile terminal transmits a viewing request to the T-BOX through a 4G network;
the T-BOX wakes up the VCU through a CAN bus, the VCU detects the state of the charging gun, the charging information is obtained, and the charging information is transmitted to the T-BOX through a gateway;
and the T-BOX transmits the charging information to the mobile terminal for displaying through a 4G network.
Preferably, in the step S3, the vehicle control unit VCU stops detecting the state of the charging gun, and after the meter is automatically extinguished and enters a sleep state, if the hydrogen energy heavy truck performs a power-on operation, the vehicle control unit VCU detects the state of the charging gun, obtains the charging information, and displays the charging information through the meter.
Preferably, the charging information includes: SOC information, charging voltage, charging current, and remaining charging time.
A hydrogen energy heavy truck charging state information display system is used for realizing the hydrogen energy heavy truck charging state information display method, and the hydrogen energy heavy truck charging state information display system comprises: the system comprises an ignition switch, a charging port, an instrument, a gateway, a T-BOX, a VCU (vehicle control unit), a CAN (controller area network) bus and a mobile terminal;
the instrument is electrically connected with the ignition switch, the charging port and the VCU;
the gateway is connected with the instrument, the VCU and the T-BOX through the CAN bus;
and the mobile terminal is in communication connection with the T-BOX.
Preferably, a CAN module is arranged in the instrument and is used for connecting a CAN-H line and a CAN-L line of the CAN bus; the ignition switch is used for triggering the power-on operation of the hydrogen energy heavy truck.
The invention has the following beneficial effects:
1. when a power battery of the hydrogen energy fuel battery heavy truck is charged, the instrument is automatically closed after displaying charging information for a period of time, the electric energy is saved, the instrument is prevented from being used excessively, and the service life of the instrument is prolonged;
2. the checking scheme of various charging information is provided, and the charging information can be checked after the instrument is turned off.
Drawings
FIG. 1 is a flow chart of a method for displaying hydrogen energy heavy truck charging status information according to the present invention;
FIG. 2 is a diagram of a hydrogen energy heavy truck charging status information display system according to the present invention;
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the invention provides a method for displaying the charging state information of a hydrogen energy heavy truck, wherein a power battery of the hydrogen energy heavy truck is charged, an instrument displays the charging information and automatically extinguishes after a period of time, the use of the instrument is reduced as much as possible while the electric energy is saved, and the service life of the instrument is prolonged;
the method specifically comprises the following steps:
s1: the method comprises the steps that a VCU of a vehicle control unit detects the state of a charging port in real time, and if the VCU of the vehicle control unit detects that a charging gun is inserted into the charging port, the VCU of the vehicle control unit wakes up an instrument through a hard wire; meanwhile, the VCU of the vehicle control unit also activates the power-on detection function of the VCU;
s2: the VCU of the vehicle controller detects whether the hydrogen energy heavy truck is powered off; if the hydrogen energy heavy truck is not powered off, the hydrogen energy heavy truck is prohibited from being charged, the VCU of the vehicle control unit sends prompt information to the gateway, the gateway converts the prompt information and then sends the converted prompt information to the instrument, and the instrument prompts the hydrogen energy heavy truck to be powered off, and the specific prompt method comprises the following steps: characters are displayed on a screen of the instrument for prompting, and a sound box below the instrument performs voice prompting; if the hydrogen energy heavy truck is powered off, allowing the hydrogen energy heavy truck to perform charging operation, and entering step S3;
s3: the hydrogen energy heavy truck carries out charging operation, the vehicle control unit VCU detects the state of the charging gun to obtain charging information, the vehicle control unit VCU sends the charging information to a gateway in a CAN signal mode, and the charging information is transmitted to the instrument for displaying through the gateway; after the preset time T, the VCU of the vehicle control unit stops detecting the state of the charging gun, the meter automatically extinguishes and enters a dormant state, and the process is finished.
In this embodiment, the preset time T is set to 2 minutes, and the charging information includes: SOC information, charging voltage, charging current, and remaining charging time.
In an embodiment of the present invention, a method for checking charging information after an instrument is turned off is provided, which specifically includes:
in step S3, when the vehicle control unit VCU stops detecting the state of the charging gun, and after the meter is automatically turned off and enters the sleep state, if the driver wishes to continue checking the charging information, the charging information may be checked through a corresponding APP in the mobile terminal, and the specific steps are as follows:
using a viewing request function in a corresponding APP, the mobile terminal transmits a viewing request to the T-BOX through a 4G network;
the T-BOX wakes up the VCU through a CAN bus, the VCU detects the state of the charging gun, the charging information is obtained, and the charging information is transmitted to the T-BOX through a gateway;
and the T-BOX transmits the charging information to a corresponding APP in the mobile terminal through a 4G network for displaying.
In an embodiment of the present invention, another method for checking charging information after an instrument is turned off is provided, which specifically includes:
in the step S3, the vehicle control unit VCU stops detecting the state of the charging gun, after the meter is automatically extinguished and enters a sleep state, if the hydrogen energy heavy truck is powered on, the vehicle control unit VCU detects the state of the charging gun to obtain the charging information, and the vehicle control unit VCU sends the charging information to the meter through the gateway, and the meter displays the charging information.
In this embodiment, the hydrogen energy heavy truck is powered on by a key, and the vehicle control unit VCU is awakened by a hard-wired network.
Referring to fig. two, the present invention provides a system for displaying charging status information of a hydrogen energy heavy truck, which is used for implementing the method for displaying charging status information of a hydrogen energy heavy truck, and the system for displaying charging status information of a hydrogen energy heavy truck comprises: the system comprises an ignition switch, a charging port, an instrument, a gateway, a T-BOX, a VCU (vehicle control unit), a CAN (controller area network) bus and a mobile terminal;
the instrument is electrically connected with the ignition switch, the charging port and the VCU;
the gateway is connected with the instrument, the VCU and the T-BOX through the CAN bus;
and the mobile terminal is in communication connection with the T-BOX.
The instrument is used for displaying various information of the hydrogen energy heavy truck, and a CAN module is arranged in the instrument and is used for connecting a CAN-H line and a CAN-L line of the CAN bus;
the ignition switch is used for triggering the power-on operation of the hydrogen energy heavy truck, and the ignition switch can be started by rotating the key;
the charging port is used for inserting a charging gun;
the gateway is used for transmitting each control signal and CAN signals;
the VCU is used as a control center of the whole system and is used for detecting the whole vehicle state of the hydrogen energy heavy truck, acquiring charging information and sending various control signals;
the T-BOX is used for communicating with a mobile terminal;
the mobile terminal is used for actively checking the charging information.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, third and the like do not denote any order, but rather the words first, second and the like may be interpreted as indicating any order.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A method for displaying the charging state information of a hydrogen energy heavy truck is characterized by comprising the following steps:
s1: the method comprises the steps that a VCU of a vehicle control unit detects the state of a charging port in real time, and if the VCU of the vehicle control unit detects that a charging gun is inserted into the charging port, the VCU of the vehicle control unit wakes up an instrument through a hard wire;
s2: the VCU of the vehicle controller detects whether the hydrogen energy heavy truck is powered off; if the hydrogen energy heavy truck does not power off, prohibiting the hydrogen energy heavy truck from charging, and prompting the hydrogen energy heavy truck to power off by the instrument; if the hydrogen energy heavy truck is powered off, allowing the hydrogen energy heavy truck to perform charging operation, and entering step S3;
s3: the hydrogen energy heavy truck performs charging operation, the VCU detects the state of the charging gun to obtain charging information, and the charging information is transmitted to the instrument for display through the gateway; after the preset time T, the VCU of the vehicle control unit stops detecting the state of the charging gun, the meter automatically extinguishes and enters a dormant state, and the process is finished.
2. The method according to claim 1, wherein in step S3, the vehicle control unit VCU stops detecting the state of the charging gun, and the meter automatically turns off and enters a sleep state, and then the charging information is viewed through a mobile terminal, specifically including the steps of:
the mobile terminal transmits a viewing request to the T-BOX through a 4G network;
the T-BOX wakes up the VCU through a CAN bus, the VCU detects the state of the charging gun, the charging information is obtained, and the charging information is transmitted to the T-BOX through a gateway;
and the T-BOX transmits the charging information to the mobile terminal for displaying through a 4G network.
3. The method according to claim 1, wherein in step S3, the vehicle control unit VCU stops detecting the state of the charging gun, and after the meter is automatically turned off and enters a sleep state, if the hydrogen energy heavy truck is powered on, the vehicle control unit VCU detects the state of the charging gun, obtains the charging information, and displays the charging information through the meter.
4. The method of displaying hydrogen energy recapture charge state information of claim 1, wherein the charge information includes: SOC information, charging voltage, charging current, and remaining charging time.
5. A hydrogen energy re-card charging state information display system for implementing the hydrogen energy re-card charging state information display method of any one of claims 1 to 4, wherein the hydrogen energy re-card charging state information display system comprises: the system comprises an ignition switch, a charging port, an instrument, a gateway, a T-BOX, a VCU (vehicle control unit), a CAN (controller area network) bus and a mobile terminal;
the instrument is electrically connected with the ignition switch, the charging port and the VCU;
the gateway is connected with the instrument, the VCU and the T-BOX through the CAN bus;
and the mobile terminal is in communication connection with the T-BOX.
6. The system according to claim 5, wherein a CAN module is provided inside the meter for connecting a CAN-H line and a CAN-L line of the CAN bus; the ignition switch is used for triggering the power-on operation of the hydrogen energy heavy truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268469.3A CN112959888A (en) | 2021-03-12 | 2021-03-12 | Method and system for displaying charging state information of hydrogen energy heavy truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268469.3A CN112959888A (en) | 2021-03-12 | 2021-03-12 | Method and system for displaying charging state information of hydrogen energy heavy truck |
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| CN112959888A true CN112959888A (en) | 2021-06-15 |
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| CN202110268469.3A Pending CN112959888A (en) | 2021-03-12 | 2021-03-12 | Method and system for displaying charging state information of hydrogen energy heavy truck |
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