阅读说明：本技术 燃料电池车辆的加注时间计算系统及方法 (Fuel cell vehicle filling time calculation system and method ) 是由 方沛军 宣锋 崔亮亮 姜方 伍远安 曹俊 于 2021-07-22 设计创作，主要内容包括：本发明涉及燃料电池车辆加氢领域,提供一种燃料电池车辆的加注时间计算系统及方法,包括：TT车、卸气柜、压缩机组、储氢瓶组、加氢机、加氢车辆、控制单元、摄像单元和显示单元；TT车、卸气柜、压缩机组、加氢机和加氢车辆通过管线依次连接,压缩机组与储氢瓶组通过管线连接；控制单元与摄像单元、显示单元、TT车、压缩机组、储氢瓶组和加氢机均电性连接,加氢车辆与加氢机电性连接。本发明通过燃料电池车辆的加注时间计算方法,可以准确的计算并显示出燃料电池车的加注时间,解决加氢站内司机等待加注焦虑的问题,让司机更好的安排个人时间,可以有效的提高加氢站的管理水平。(The invention relates to the field of hydrogenation of fuel cell vehicles, and provides a system and a method for calculating the filling time of a fuel cell vehicle, which comprises the following steps: the system comprises a TT vehicle, a gas unloading cabinet, a compressor unit, a hydrogen storage cylinder set, a hydrogenation machine, a hydrogenation vehicle, a control unit, a camera unit and a display unit; the TT vehicle, the gas discharging cabinet, the compressor unit, the hydrogenation machine and the hydrogenation vehicle are sequentially connected through pipelines, and the compressor unit is connected with the hydrogen storage cylinder group through a pipeline; the control unit is electrically connected with the camera unit, the display unit, the TT vehicle, the compressor unit, the hydrogen storage cylinder group and the hydrogenation machine, and the hydrogenation vehicle is electrically connected with the hydrogenation machine. The invention can accurately calculate and display the filling time of the fuel cell vehicle by the method for calculating the filling time of the fuel cell vehicle, solves the problem that a driver in the hydrogen station is anxious to wait for filling, enables the driver to better arrange personal time, and can effectively improve the management level of the hydrogen station.)

1. A fill time calculation system for a fuel cell vehicle, comprising: the device comprises a TT vehicle (1), a gas unloading cabinet (2), a compressor unit (3), a hydrogen storage cylinder unit (4), a hydrogenation machine (5), a hydrogenation vehicle (6), a control unit (7), a camera unit (8) and a display unit (9);

the TT vehicle (1), the gas unloading cabinet (2), the compressor unit (3), the hydrogenation machine (5) and the hydrogenation vehicle (6) are sequentially connected through pipelines, and the compressor unit (3) is connected with the hydrogen storage bottle unit (4) through a pipeline;

the control unit (7) is electrically connected with the camera unit (8), the display unit (9), the TT vehicle (1), the compressor unit (3), the hydrogen storage bottle group (4) and the hydrogenation machine (5), and the hydrogenation vehicle (6) is electrically connected with the hydrogenation machine (5).

2. The fuel cell vehicle filling time calculation system according to claim 1, wherein a pressure monitoring unit and a flow detection unit are arranged on the hydrogen storage cylinder group (4), and the control unit (7) is electrically connected with the pressure monitoring unit and the flow detection unit;

the pressure monitoring unit is used for detecting the in-cylinder pressure of the hydrogen storage cylinder group (4), and the flow detection unit is used for detecting the flow coefficient of the hydrogen storage cylinder group (4).

3. The fuel cell vehicle filling time calculation system according to claim 1, wherein the image pickup unit (8) includes: the camera comprises a first camera, a second camera and a third camera;

the first camera is used for shooting side images of the hydrogenation vehicle (6), the second camera is used for shooting front images of the hydrogenation vehicle (6), and the third camera is used for shooting back images of the hydrogenation vehicle (6).

4. A filling time calculation method for a fuel cell vehicle, which is implemented based on the filling time calculation system for a fuel cell vehicle according to any one of claims 1 to 3, characterized by comprising the steps of:

s1: a hydrogenation vehicle (6) enters a hydrogenation station to start hydrogenation operation, and a target filling pressure Pend is set through the hydrogenation machine (5);

s2: the camera unit (8) acquires appearance information of the hydrogenation vehicle (6), and the control unit (7) acquires the vehicle-mounted bottle volume V of the hydrogenation vehicle (6) according to the appearance information;

s3: the control unit (7) acquires the state information of the TT vehicle (1), the hydrogen storage cylinder group (4), the compressor group (3) and the hydrogenation vehicle (6) in real time, calculates according to the state information, the vehicle-mounted cylinder volume V and the target filling pressure Pend, and acquires the filling residual time T in real time;

s4: and the control unit (7) transmits the filling residual time T to the display unit (9) for real-time display.

5. The fuel cell vehicle filling time calculation method according to claim 4, wherein the step S2 is embodied as:

s21: the camera unit (8) acquires appearance information of the hydrogenation vehicle (6) and transmits the appearance information to the control unit (7); the appearance information includes: a side image, a front image and a back image of the hydrogenated vehicle (6);

s22: the control unit (7) compares the appearance information with each vehicle appearance data in a database to obtain the vehicle type of the hydrogenation vehicle (6), and the corresponding vehicle-mounted bottle volume V is obtained in the database according to the vehicle type of the hydrogenation vehicle (6).

6. The fuel cell vehicle refueling time calculation method according to claim 4, wherein in step S3, the state information of the TT vehicle (1), the hydrogen storage cylinder group (4), the compressor group (3), and the hydrogenation vehicle (6) includes:

the gas supply pressure P of the TT vehicle (1)₁And the flow coefficient K of the TT vehicle (1)₁The in-cylinder pressure P of the hydrogen storage cylinder group (4)₂The flow coefficient K of the hydrogen storage cylinder group (4)₂The running number n of the compressor unit (3), the initial flow value F of the compressor unit (3) and the real-time pressure P of the vehicle-mounted bottle of the hydrogenation vehicle (6)_V。

7. The fuel cell vehicle filling time calculation method according to claim 6, wherein in step S3, the calculation is performed based on each of the state information, the vehicle-mounted bottle volume V, and the target filling pressure Pend to obtain the remaining filling time T in real time, and a specific calculation formula is as follows:

T＝V*(Pend-P_V)/F*(P₁*K₁*n+P₂*K₂)。

Technical Field

The invention relates to the field of hydrogenation of fuel cell vehicles, in particular to a fuel cell vehicle filling time calculation system and method.

Background

Different from a conventional fuel oil automobile, when the fuel cell automobile reaches the point of filling hydrogen, the filling amount is the same, the time for filling the hydrogen is different, the filling time of the hydrogen is influenced by various factors such as the automobile type, the existing gas pressure in a station, the pressure of a hydrogen long pipe trailer in the station, the discharge capacity of a compressor unit and the working condition, and the conventional hydrogenation machine cannot directly display the remaining time required for hydrogenation after the automobile reaches a hydrogenation station. This is not conducive to the driver to plan his own time reasonably, and is also likely to cause anxiety in waiting for the driver.

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 problem that the conventional hydrogenation machine in the prior art cannot directly display the remaining hydrogenation time after a vehicle arrives at a hydrogenation station.

To achieve the above object, the present invention provides a fuel cell vehicle filling time calculation system including: the system comprises a TT vehicle, a gas unloading cabinet, a compressor unit, a hydrogen storage cylinder set, a hydrogenation machine, a hydrogenation vehicle, a control unit, a camera unit and a display unit;

the TT vehicle, the gas unloading cabinet, the compressor unit, the hydrogenation machine and the hydrogenation vehicle are sequentially connected through pipelines, and the compressor unit is connected with the hydrogen storage cylinder group through a pipeline;

the control unit is electrically connected with the camera unit, the display unit, the TT vehicle, the compressor unit, the hydrogen storage cylinder group and the hydrogenation machine, and the hydrogenation vehicle is electrically connected with the hydrogenation machine.

Preferably, the hydrogen storage cylinder group is provided with a pressure monitoring unit and a flow detection unit, and the control unit is electrically connected with the pressure monitoring unit and the flow detection unit;

the pressure monitoring unit is used for detecting the in-cylinder pressure of the hydrogen storage cylinder group, and the flow detection unit is used for detecting the flow coefficient of the hydrogen storage cylinder group.

Preferably, the image pickup unit includes: the camera comprises a first camera, a second camera and a third camera;

the first camera is used for shooting side images of the hydrogenation vehicle, the second camera is used for shooting front images of the hydrogenation vehicle, and the third camera is used for shooting back images of the hydrogenation vehicle.

A filling time calculation method of a fuel cell vehicle is realized based on a filling time calculation system of the fuel cell vehicle, and comprises the following steps:

s1: a hydrogenation vehicle enters a hydrogenation station, hydrogenation operation is started, and a target charging pressure Pend is set through the hydrogenation machine;

s2: the camera unit acquires appearance information of the hydrogenation vehicle, and the control unit acquires the volume V of the vehicle-mounted bottle of the hydrogenation vehicle through the appearance information;

s3: the control unit acquires state information of the TT vehicle, the hydrogen storage bottle group, the compressor group and the hydrogenation vehicle in real time, calculates according to the state information, the volume V of the vehicle-mounted bottle and the target filling pressure Pend, and acquires filling residual time T in real time;

s4: and the control unit transmits the filling residual time T to the display unit for real-time display.

Preferably, the step S2 is specifically:

s21: the camera shooting unit acquires appearance information of the hydrogenation vehicle and transmits the appearance information to the control unit; the appearance information includes: a side image, a front image and a back image of the hydrogenated vehicle;

s22: the control unit compares the appearance information with appearance data of all vehicles in a database to obtain the vehicle type of the hydrogenation vehicle, and obtains the corresponding vehicle-mounted bottle volume V in the database according to the vehicle type of the hydrogenation vehicle.

Preferably, in step S3, the status information of the TT vehicle, the hydrogen storage cylinder group, the compressor group, and the hydrogenation vehicle includes:

air supply pressure P of TT vehicle₁And the flow coefficient K of the TT vehicle₁The in-cylinder pressure P of the hydrogen storage cylinder group₂And the flow coefficient K of the hydrogen storage cylinder group₂The running number n of the compressor units, the initial flow value F of the compressor units and the real-time pressure P of the vehicle-mounted bottle of the hydrogenation vehicle_V。

Preferably, in step S3, the filling remaining time T is obtained in real time by calculating according to each of the state information, the vehicle-mounted bottle volume V, and the target filling pressure Pend, and a specific calculation formula is as follows:

T＝V*(Pend-P_V)/F*(P₁*K₁*n+P₂*K₂)。

the invention has the following beneficial effects:

the fuel cell vehicle filling time calculation method provided by the invention can accurately calculate and display the filling time of the fuel cell vehicle, solve the problem that drivers in the hydrogen filling station are anxious to wait for filling, enable the drivers to better arrange personal time, and effectively improve the management level of the hydrogen filling station.

Drawings

FIG. 1 is a system block diagram of an embodiment of the present invention;

wherein, the device comprises a 1-TT vehicle, a 2-gas unloading cabinet, a 3-compressor unit, a 4-hydrogen storage bottle group, a 5-hydrogenation machine, a 6-hydrogenation vehicle, a 7-control unit, an 8-camera unit and a 9-display unit;

FIG. 2 is a flow chart of a method of an embodiment of 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 present invention provides a fuel cell vehicle refueling time calculation system, including: the system comprises a TT vehicle 1, a gas unloading cabinet 2, a compressor unit 3, a hydrogen storage cylinder group 4, a hydrogenation machine 5, a hydrogenation vehicle 6, a control unit 7, a camera unit 8 and a display unit 9;

the TT vehicle 1, the gas unloading cabinet 2, the compressor unit 3, the hydrogenation machine 5 and the hydrogenation vehicle 6 are sequentially connected through pipelines, and the compressor unit 3 is connected with the hydrogen storage cylinder unit 4 through a pipeline;

the control unit 7 is electrically connected with the camera unit 8, the display unit 9, the TT vehicle 1, the compressor unit 3, the hydrogen storage bottle unit 4 and the hydrogenation machine 5, and the hydrogenation vehicle 6 is electrically connected with the hydrogenation machine 5.

In this embodiment, the hydrogen storage cylinder group 4 is provided with a pressure monitoring unit and a flow detection unit, and the control unit 7 is electrically connected with the pressure monitoring unit and the flow detection unit;

the pressure monitoring unit is used for detecting the in-cylinder pressure P of the hydrogen storage cylinder group 4₂The flow detection unit is used for detecting the flow coefficient K of the hydrogen storage cylinder group 4₂。

In this embodiment, the imaging unit 8 includes: the camera comprises a first camera, a second camera and a third camera;

the first camera is used for shooting side images of the hydrogenation vehicle 6, the second camera is used for shooting front images of the hydrogenation vehicle 6, and the third camera is used for shooting back images of the hydrogenation vehicle 6;

in the concrete realization, hydrogenation vehicle 6 gets into the hydrogenation after standing, can stop in the appointed region in hydrogenation 5 the place ahead, and the appointed region is the rectangle region, has pasted the warning strip on the border road surface in appointed region, includes: the first warning strip, the second warning strip, the third warning strip and the fourth warning strip are parallel to the front face of the hydrogenation machine 5, the first warning strip is closer to the front face of the hydrogenation machine 5 than the third warning strip, and a certain distance is reserved between the first warning strip and the front face of the hydrogenation machine 5;

the first camera shoots a side image of the hydrogenation vehicle 6 after confirming that the hydrogenation vehicle 6 stops; the second camera is arranged between the first warning strip in the designated area and the front of the hydrogenation machine 5, and after the first camera shoots the side image of the hydrogenation vehicle 6, the second camera is activated and shoots the front image of the hydrogenation vehicle 6; the third camera sets up in the top of the installation pole that can vertically rotate, and the installation pole sets up in the outside of appointed regional third warning strip, and the installation pole is in vertical state when the third camera is not activated, and the installation pole rotates to the horizontality and shoots the back image of hydrogenation vehicle 6 after the third camera activation.

Referring to fig. 2, the present invention provides a fuel cell vehicle refueling time calculation method, implemented based on the fuel cell vehicle refueling time calculation system, including the steps of:

s1: a hydrogenation vehicle 6 enters a hydrogenation station, hydrogenation operation is started, and a target charging pressure Pend is set through the hydrogenation machine 5;

s2: the camera unit 8 acquires appearance information of the hydrogenation vehicle 6, and the control unit 7 acquires the vehicle-mounted bottle volume V of the hydrogenation vehicle 6 according to the appearance information;

s3: the control unit 7 acquires the state information of the TT vehicle 1, the hydrogen storage bottle group 4, the compressor group 3 and the hydrogenation vehicle 6 in real time, calculates according to the state information, the vehicle-mounted bottle volume V and the target filling pressure Pend, and acquires the filling residual time T in real time;

s4: and the control unit 7 transmits the filling remaining time T to the display unit 9 for real-time display.

In this embodiment, the step S2 specifically includes:

s21: the camera unit 8 acquires appearance information of the hydrogenation vehicle 6 and transmits the appearance information to the control unit 7; the appearance information includes: a side image, a front image, and a back image of the hydrogenated vehicle 6;

s22: the control unit 7 compares the appearance information with appearance data of each vehicle in a database to obtain the vehicle type of the hydrogenation vehicle 6, and obtains the corresponding vehicle-mounted bottle volume V in the database according to the vehicle type of the hydrogenation vehicle 6.

In this embodiment, in step S3, the state information of the TT truck 1, the hydrogen storage cylinder group 4, the compressor group 3, and the hydrogenation truck 6 includes:

the gas supply pressure P of the TT vehicle 1₁And a flow coefficient K of the TT vehicle 1₁The in-cylinder pressure P of the hydrogen storage cylinder group 4₂And the flow coefficient K of the hydrogen storage cylinder group 4₂The running number n of the compressor unit 3, the initial flow value F of the compressor unit 3 and the real-time pressure P of the vehicle-mounted bottle of the hydrogenation vehicle 6_V；

In the concrete implementation, the compressor unit 3 comprises two compressors, and at most two compressors can work simultaneously; when the two compressors work simultaneously, the initial flow value F of the compressor unit 3 is the sum of the initial flow values of the two compressors.

In this embodiment, in step S3, the filling remaining time T is obtained in real time by calculating according to each piece of the state information, the vehicle-mounted bottle volume V, and the target filling pressure Pend, and a specific calculation formula is as follows:

T＝V*(Pend-P_V)/F*(P₁*K₁*n+P₂*K₂)。

in the specific implementation, the unit of the filling residual time T is minutes, and two digits after decimal point of a result are taken; real-time pressure P of vehicle-mounted bottle_VThe value of (A) is less than or equal to the value of the target filling pressure Pend, the real-time pressure P when the vehicle-mounted bottle is in_VWhen the pressure is equal to the target filling pressure Pend, T is 0 minute, which indicates that the hydrogenation is finished;

for example, the volume V of the vehicle bottle has a value of 1.12m³The value of the target filling pressure Pend is 35MPa, and the real-time pressure P of the vehicle-mounted bottle_VHas a value of 13MPa, an initial flow value F of 1.3 kg/min and a gas supply pressure P₁Has a value of 15MPa and a flow coefficient K₁Has a value of 0.026, a running number n of 2, a pressure P in the bottle₂Has a value of 40MPa and a flow coefficient K₂Has a value of 0.023; when the filling is remainedThe time T is about 11.14 minutes.

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.