CN212685236U - Oil tank control system of vehicle and vehicle - Google Patents
Oil tank control system of vehicle and vehicle Download PDFInfo
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- CN212685236U CN212685236U CN202021420529.6U CN202021420529U CN212685236U CN 212685236 U CN212685236 U CN 212685236U CN 202021420529 U CN202021420529 U CN 202021420529U CN 212685236 U CN212685236 U CN 212685236U
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Abstract
The utility model relates to the technical field of vehicles, a fuel tank control system and this vehicle of vehicle is provided. The oil tank control system includes: the oil tank auxiliary assembly comprises a pressure release valve and an oil tank door lock; the vehicle control unit is used for responding to a refueling request of a user to judge whether the vehicle meets a refueling condition, and if so, generating and sending a pressure relief instruction for the pressure relief valve; the engine controller is electrically connected with the pressure release valve and the vehicle controller and used for responding to a pressure release instruction of the vehicle controller to be awakened, controlling the pressure release valve to be opened to release pressure, and acquiring the pressure of the oil tank to determine and send a pressure release progress; and the vehicle body control module is electrically connected with the engine controller and the oil tank door lock and used for receiving the pressure relief progress from the engine controller and controlling the oil tank door lock to be opened to realize oil filling of the oil tank when the pressure relief progress shows that the pressure relief is completed. The utility model discloses utilize the current controller function of vehicle to realize oil tank function control, easily realize and practice thrift the cost.
Description
Technical Field
The utility model relates to a vehicle technical field, in particular to oil tank control system and this vehicle of vehicle.
Background
With the continuous development of new energy automobile technology and the continuous improvement of exhaust emission regulations, the emission requirements for Plug-in hybrid electric vehicles (PHEV) are also increasing. However, in an actual use scenario, because the internal combustion engine of the PHEV is not started all the time, fuel vapor in the fuel tank cannot be consumed in time, and the sealing performance of the common fuel tank is poor, fuel vapor is diffused, and the requirements of emission regulations are difficult to meet.
In this regard, the prior art generally adopts a controller or a control device additionally configured for the fuel tank to control the fuel tank action to meet the requirements of emission regulations, but this undoubtedly increases the development cost.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a fuel tank control system of vehicle to solve the higher problem of current fuel tank control scheme cost.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a fuel tank control system of a vehicle, comprising: the oil tank auxiliary assembly comprises a pressure release valve and an oil tank door lock; the vehicle control unit is used for responding to a refueling request input by a user to judge whether the vehicle meets a refueling condition, and if so, generating and sending a pressure relief instruction for the pressure relief valve; the engine controller is electrically connected with the pressure release valve and the vehicle controller and used for responding to the awakening of the pressure release instruction of the vehicle controller, controlling the pressure release valve to open for pressure release after awakening, and acquiring the pressure of an oil tank to determine and send the pressure release progress; and the vehicle body control module is electrically connected with the engine controller and the oil tank door lock, and is used for receiving the pressure relief progress from the engine controller and controlling the oil tank door lock to be opened to realize oil filling of the oil tank when the pressure relief progress shows that pressure relief is completed.
Further, the fuel tank control system further includes: and the instruction input module is electrically connected with the vehicle control unit and used for transmitting the refueling request input by the user through the instruction input module to the vehicle control unit.
Further, the instruction input module is a physical button on the vehicle or a host system of the vehicle configured to start the refueling process.
Further, the fuel tank control system further includes: and the host system is electrically connected with the vehicle control unit and the engine controller, and is used for receiving and displaying the refueling prohibition information fed back by the vehicle control unit when judging that the vehicle does not meet the refueling condition, and displaying the pressure relief progress received by the engine controller.
Further, the fuel tank control system further includes: and the gateway is arranged between the host system and the vehicle controller and between the host system and the engine controller and is used for realizing the electrical connection between the host system and the vehicle controller and between the host system and the engine controller.
Further, the fuel tank control system further includes: and the vehicle state detection assembly is electrically connected with the vehicle controller and is used for detecting and transmitting the vehicle state information to the vehicle controller so that the vehicle controller determines whether the vehicle meets the refueling condition according to the vehicle state information. The whole vehicle state information is used for showing whether the whole vehicle is in a starting state, whether a charging gun is in a connecting state and whether an engine is in a starting state.
Further, the tank attachment assembly further comprises: and the pressure sensor is arranged in the oil tank, electrically connected with the engine controller and used for detecting the pressure of the oil tank and transmitting the pressure to the engine controller.
Further, the tank attachment assembly further includes a tank cap position sensor, and: the vehicle control unit is also electrically connected with the oil tank cover position sensor and is used for acquiring oil tank cover state information acquired by the oil tank cover position sensor and sending the oil tank cover state information to the engine controller; the engine controller is also used for controlling the pressure relief valve to be closed and setting the pressure relief progress to zero according to the oil tank cover state information; and the vehicle control unit is also used for receiving the pressure relief progress from the engine controller, and determining whether to trigger the oil tank cover position sensor and/or stop waking up the engine controller according to the pressure relief progress.
Further, a timer is integrated in the vehicle control unit and used for setting time and enabling the vehicle control unit to determine whether to stop waking up the engine controller or not by combining the set time and the pressure relief progress.
Compared with the prior art, oil tank control system have following advantage: oil tank control system utilize the current controller function of vehicle to realize oil tank function control, easily realize, can enough satisfy the normal use of oil tank function and in order to accord with the requirement of emission regulation, can practice thrift development cost again.
Another object of the present invention is to provide a vehicle, to solve the problem of high cost of the existing fuel tank control scheme.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a vehicle comprising a fuel tank control system according to any of the above.
The vehicle and the oil tank control system have the same advantages compared with the prior art, and the detailed description is omitted.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a fuel tank control system of a vehicle according to an embodiment of the present invention; and
fig. 2 is a schematic flow chart of an example of intelligent oiling by using the oil tank control system of the present invention.
Description of reference numerals:
100. a fuel tank accessory assembly; 200. a vehicle control unit; 300. an engine controller; 400. a vehicle body control module; 500. an instruction input module; 600. a host system; 700. a gateway; 800. a vehicle state detection component;
110. a pressure relief valve; 120. an oil tank door lock; 130. a pressure sensor; 140. fuel tank cap position sensor.
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
In the embodiments of the present invention, "electrical connection" is used to describe signal connection between two components, such as control signal and feedback signal, and electrical power connection between two components, which may be wired connection or wireless connection, and the "electrical connection" may be direct electrical connection between two components or indirect electrical connection through other components.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 is a schematic structural diagram of a fuel tank control system of a vehicle according to an embodiment of the present invention, wherein the fuel tank is preferably a high-pressure fuel tank of a PHEV. Referring to fig. 1, the tank control system may include: a tank accessory assembly 100 including a pressure relief valve 110 and a tank door lock 120; a Hybrid Control Unit (HCU) 200, configured to determine whether a vehicle meets a refueling condition in response to a refueling request input by a user, and if so, generate and send a pressure release instruction for the pressure release valve; an Engine Control Module (ECM) 300 electrically connected to the relief valve 110 and the vehicle controller 200, configured to wake up in response to the pressure relief command of the vehicle controller 200, and after waking up, Control the relief valve 110 to open to relieve pressure, and obtain a tank pressure to determine and send a pressure relief progress; and a Body Control Module (Body Control Module, hereinafter referred to as BCM or KBCM)400 electrically connected to the engine controller 300 and the tank door lock 120, and configured to receive the pressure release schedule from the engine controller 300, and Control the tank door lock 120 to open to refuel the oil tank when the pressure release schedule shows that pressure release is completed.
Wherein, HCU, ECM and KBCM all are the current controller of vehicle, so the utility model discloses the oil tank control system of embodiment need not to set up the controller separately. It should be noted that, in addition to the ECM, the Engine controller may be expressed as an EMS (Engine Management System) or an ECU (Engine Control Unit), and the three can be understood equally.
In a preferred embodiment, the tank control system may further include: the instruction input module 500 is electrically connected to the vehicle control unit 200, and is configured to transmit the refueling request input by the user through the instruction input module 500 to the vehicle control unit 200.
For example, the instruction input module 500 is a physical button configured to start a fueling process on the vehicle, such as a specially configured "fueling" button, or the instruction input module is a Host Unit (HUT) of the vehicle, on which a soft switch (e.g., a touch screen switch) or a voice instruction collecting Unit, etc. may be configured to enable a user to input a fueling request.
In a preferred embodiment, the tank control system may further include: the host system 600 is electrically connected to the vehicle controller 200 and the engine controller 300, and is configured to receive and display refueling prohibition information fed back by the vehicle controller 200 when determining that the vehicle does not satisfy the refueling condition, and to display the pressure relief progress received from the engine controller 300. That is, the host system 600 is utilized to display the related data or results of the fuel tank control, so that the user can know the fuel filling condition in real time and make a decision.
In a more preferred embodiment, the tank control system may further include: a Gateway (Gateway, hereinafter also referred to as GW)700 is disposed between the host system 600 and the vehicle controller 200 and the engine controller 300, and is configured to electrically connect the host system 600 and the vehicle controller 200 and the engine controller 300. For example, the vehicle's HCU and ECM may both send data to the HUT to be displayed via the vehicle GW, or receive user instructions from the HUT.
In a preferred embodiment, the tank control system may further include: the vehicle state detection assembly 800 is electrically connected with the vehicle controller 200 and is used for detecting and transmitting vehicle state information to the vehicle controller 200, so that the vehicle controller 200 determines whether the vehicle meets the refueling condition according to the vehicle state information. The whole vehicle state information is used for showing whether the whole vehicle is in a starting state, whether a charging gun is in a connecting state and whether an engine is in a starting state.
For example, the vehicle state detection assembly 800 may include sensors for detecting a vehicle start state, a charging gun connection state, and an engine start state, respectively.
In a preferred embodiment, the tank attachment assembly 100 may further include a pressure sensor 130, wherein the pressure sensor 130 is disposed in the tank and electrically connected to the engine controller 300, for detecting the tank pressure and transmitting the same to the engine controller 300. Further, engine controller 300 determines the pressure relief schedule based on the tank pressure. Wherein, the pressure relief progress can be expressed in percentage, for example, the pressure relief progress is 100%, which indicates that the pressure relief is completed.
In a more preferred embodiment, the tank attachment assembly 100 may further include a tank cap position sensor 140 disposed at a corresponding position of the tank cap to detect a tank cap signal. In addition, the vehicle control unit 200 is electrically connected to the tank cap position sensor 140, and is configured to acquire the tank cap state information acquired by the tank cap position sensor 140 and send the tank cap state information to the engine controller 300. The engine controller 300 is further configured to control the pressure relief valve 110 to close and set the pressure relief progress to zero according to the fuel tank cap status information. Further, the vehicle control unit 200 is further configured to receive the pressure relief progress from the engine controller 300, and determine whether to trigger the tank cap position sensor 140 and/or stop waking up the engine controller 300 according to the pressure relief progress. Further, a timer (not shown) may be integrated in the vehicle controller 200 for setting a time, and the vehicle controller 200 determines whether to stop waking up the engine controller 300 according to the set time and the pressure relief progress. It should be noted that details about this process will be described below with reference to examples, and will not be described herein again.
Fig. 2 is a schematic flow chart of an example of intelligent fuel filling by using the fuel tank control system of the present invention, in this example, relevant vehicle components are represented by abbreviations such as HUT, KBCM, ECM, and HCU, and electrical connection between HUT, KBCM, ECM, HCU, and GW is mostly realized by a vehicle CAN bus, and electrical connection between fuel filling keys, relevant sensors, etc. and HUT, KBCM, ECM, HCU, and GW is mostly realized by hard wires.
As shown in fig. 2, the intelligent refueling of the fuel tank control system of the utility model can include the following steps:
in step S201, the fueling button or HUT receives the fueling request and transmits it to the HCU.
And S202, the HCU judges whether the refueling condition is met or not by combining the state information of the whole vehicle, if so, the step S203 is executed, and if not, a corresponding uncovering failure prompt is sent to the HUT for the HUT to display.
The vehicle state information is obtained by a vehicle state detection assembly comprising various vehicle controllers, for example, information about a whole vehicle or vehicle components required by a refueling condition, for example, whether the whole vehicle is in a starting state, whether a charging gun is in a connecting state, and whether an engine is in a starting state, if so, the HCU can send a corresponding refueling prohibition prompt to the HUT through the gateway to remind a driver to shut down, power off, or pull out the charging gun, and if the whole vehicle is not in the starting state, the charging gun is in the connecting state, or the engine is in the starting state, the next step can be executed.
In step S203, the HCU sends a pressure relief instruction to the ECM and wakes up the ECM.
The HCU may maintain the wake-up state of the EMS by setting a wake-up level of the EMS to a high level.
In step S204, the ECM opens the pressure relief valve in response to the pressure relief command.
In step S205, the ECM determines a pressure relief schedule in conjunction with tank pressure.
The pressure of the oil tank is detected by a pressure sensor in the oil tank.
In step S206, the ECM feeds back the pressure relief progress to the HUT, the KBCM, and the HCU.
Wherein the pressure relief progress is any value from 0 to 100%.
Step S207, the HUT displays the pressure relief progress, and the KBCM waits for the pressure relief to finish opening the lock of the oil tank door.
It is readily appreciated that after the fuel tank door lock is unlocked, the user may proceed to refuel.
And S208, the HCU judges whether the pressure relief is finished, if so, the step S209 is executed, otherwise, the pressure relief is judged to be overtime, the refueling process is ended, and the ECM is stopped to be awakened.
The judgment of the pressure relief timeout is, for example: and within 30s after the HCU sends the pressure relief instruction, no pressure relief completion signal fed back by the ECM is received, wherein the pressure relief completion signal is that the pressure relief progress is 100%.
In step S209, the HCU acquires tank cap state information from the tank cap position sensor and transmits the information to the ECM.
And step S210, detecting whether the fuel tank cover is opened within a certain time by the ECM, if so, executing step S211, and if not, closing the pressure release valve and setting the pressure release progress to 0.
Step S211, the ECM detects whether the oil tank cover is closed, if so, the pressure release valve is closed and the pressure release progress is set to 0, otherwise, the pressure release valve is closed and the pressure release progress is set to 0 when the vehicle speed is greater than a preset value.
And S212, the HCU judges whether the pressure relief progress is 0 in 30min, if so, the refueling process is judged to be finished, and the ECM is stopped to be awakened, otherwise, the refueling process is judged to be overtime, and the ECM is stopped to be awakened.
Wherein the ECM may generate a refueling complete flag after refueling is complete and provide it to the HCU, which determines whether the refueling process is over based on the refueling complete flag and the timing of the built-in timer.
In addition, it should be noted that, during the process of refueling, the HCU prohibits the charging function, and during the period, if the user inserts the fast charging gun or inserts the slow charging gun, the HCU will not charge at high voltage and send out an instrument prompt signal through the HUT to remind the user to prohibit charging during refueling.
Through this example, can understand the embodiment of the utility model provides an utilize the current controller function of vehicle to realize the oil tank functional control of PEHV motorcycle type for example, easily realize, can enough satisfy the normal use of oil tank function in order to accord with the requirement of emission regulation, can practice thrift development cost again.
Another embodiment of the present invention further provides a vehicle, which includes the oil tank control system of the above embodiment. For details and effects of the vehicle, reference may be made to the above-mentioned embodiments related to the fuel tank control system, and details are not repeated herein.
It should be noted that the present invention relates to functions of sending/receiving, judging, controlling, etc. of commands and information of the existing controllers of various vehicles, which are all possessed by the controllers themselves, and the embodiment of the present invention only performs adaptive speed regulation for corresponding application scenarios, and thus does not relate to substantial improvement of programs of the existing controllers of various vehicles.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fuel tank control system of a vehicle, characterized by comprising:
the oil tank auxiliary assembly comprises a pressure release valve and an oil tank door lock;
the vehicle control unit is used for responding to a refueling request input by a user to judge whether the vehicle meets a refueling condition, and if so, generating and sending a pressure relief instruction for the pressure relief valve;
the engine controller is electrically connected with the pressure release valve and the vehicle controller and used for responding to the awakening of the pressure release instruction of the vehicle controller, controlling the pressure release valve to open for pressure release after awakening, and acquiring the pressure of an oil tank to determine and send the pressure release progress; and
and the vehicle body control module is electrically connected with the engine controller and the oil tank door lock and used for receiving the pressure relief progress from the engine controller and controlling the oil tank door lock to be opened to realize oil filling of the oil tank when the pressure relief progress shows that pressure relief is completed.
2. A fuel tank control system for a vehicle according to claim 1, further comprising:
and the instruction input module is electrically connected with the vehicle control unit and used for transmitting the refueling request input by the user through the instruction input module to the vehicle control unit.
3. The vehicle fuel tank control system of claim 2, wherein the command input module is a physical key on the vehicle configured to initiate a refueling procedure or a host system of the vehicle.
4. A fuel tank control system for a vehicle according to claim 1, further comprising:
and the host system is electrically connected with the vehicle control unit and the engine controller, and is used for receiving and displaying the refueling prohibition information fed back by the vehicle control unit when judging that the vehicle does not meet the refueling condition, and displaying the pressure relief progress received by the engine controller.
5. A fuel tank control system for a vehicle according to claim 4, further comprising:
and the gateway is arranged between the host system and the vehicle controller and between the host system and the engine controller and is used for realizing the electrical connection between the host system and the vehicle controller and between the host system and the engine controller.
6. A fuel tank control system for a vehicle according to claim 1, further comprising:
the vehicle state detection assembly is electrically connected with the vehicle controller and is used for detecting and transmitting vehicle state information to the vehicle controller so that the vehicle controller can determine whether the vehicle meets the refueling condition according to the vehicle state information;
the whole vehicle state information is used for showing whether the whole vehicle is in a starting state, whether a charging gun is in a connecting state and whether an engine is in a starting state.
7. A fuel tank control system for a vehicle according to claim 1, wherein said fuel tank attachment assembly further comprises:
and the pressure sensor is arranged in the oil tank, electrically connected with the engine controller and used for detecting the pressure of the oil tank and transmitting the pressure to the engine controller.
8. A fuel tank control system for a vehicle according to claim 1, wherein said fuel tank attachment assembly further includes a fuel tank cap position sensor, and:
the vehicle control unit is also electrically connected with the oil tank cover position sensor and is used for acquiring oil tank cover state information acquired by the oil tank cover position sensor and sending the oil tank cover state information to the engine controller;
the engine controller is also used for controlling the pressure relief valve to be closed and setting the pressure relief progress to zero according to the oil tank cover state information;
and the vehicle control unit is also used for receiving the pressure relief progress from the engine controller, and determining whether to trigger the oil tank cover position sensor and/or stop waking up the engine controller according to the pressure relief progress.
9. The vehicle fuel tank control system according to claim 8, wherein a timer is integrated in the vehicle control unit for setting a time and enabling the vehicle control unit to determine whether to stop waking up the engine controller according to the set time and the pressure relief progress.
10. A vehicle characterized by comprising the fuel tank control system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021420529.6U CN212685236U (en) | 2020-07-17 | 2020-07-17 | Oil tank control system of vehicle and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021420529.6U CN212685236U (en) | 2020-07-17 | 2020-07-17 | Oil tank control system of vehicle and vehicle |
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| CN212685236U true CN212685236U (en) | 2021-03-12 |
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| CN202021420529.6U Active CN212685236U (en) | 2020-07-17 | 2020-07-17 | Oil tank control system of vehicle and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895374A (en) * | 2021-09-09 | 2022-01-07 | 岚图汽车科技有限公司 | Vehicle control method, readable storage medium, control device and vehicle |
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- 2020-07-17 CN CN202021420529.6U patent/CN212685236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895374A (en) * | 2021-09-09 | 2022-01-07 | 岚图汽车科技有限公司 | Vehicle control method, readable storage medium, control device and vehicle |
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