Hydrogenation covering cap structure and fuel cell automobile
By introducing a dual locking structure and a multi-layer sealing design into the hydrogen refueling port cover structure, the safety hazards in the operation of the hydrogen refueling port cover are solved, and high safety and efficient hydrogen refueling operation of fuel cell vehicles are achieved.
Patent Information
- Application Number
- CN202520651072.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-08
AI Technical Summary
The existing opening and closing operation of the hydrogen refueling cap poses safety hazards. The mechanical switch is prone to accidental activation or aging, leading to hydrogen leakage. The unreasonable circuit layout of the motor drive method may also cause safety risks, and the sealing problem affects the overall vehicle safety.
A hydrogenation port cap structure is designed, employing a dual locking structure, including a first locking structure to lock or release the cap body, and a second locking structure to lock or release the connecting arm. Automated operation is achieved through a control system, and a multi-layer sealing structure ensures airtightness.
It provides convenience for daily operation and additional locking force in emergencies, effectively preventing hydrogen leakage and improving the safety of fuel cell vehicles as well as the safety and efficiency of hydrogen refueling operations.
Smart Images

Figure CN223919113U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fuel cell automobile technical field, specifically, relate to a hydrogenation mouth lid structure and fuel cell automobile. BACKGROUND
[0002] With the new energy automobile industry has got the rapid development. Hydrogen fuel cell automobile with its zero emission, high energy density gradually become the important development direction of future automobile energy with the advantage. However, hydrogen gas as flammable and explosive gas, its safety problem during storage and filling process is particularly prominent. Hydrogenation mouth lid as the key interface between hydrogen fuel cell automobile and hydrogenation facility, its structure design and opening and closing strategy safety is directly related to the safety of whole vehicle and user's operation experience.
[0003] In the prior art, the opening and closing operation of hydrogenation mouth lid often depends on mechanical switch or motor drive, but these ways have many security risks. For example, mechanical switch is directly arranged near hydrogenation mouth, and hydrogen leakage is easily caused by misoperation or aging;Although the motor drive realizes automatic control, if the layout of motor and circuit system is unreasonable, it can also cause safety risk. In addition, the sealing performance of hydrogenation mouth lid during opening and closing process is also an important factor affecting safety. UTILITY MODEL CONTENTS
[0004] The purpose of the utility model includes providing a hydrogenation mouth lid structure and fuel cell automobile, and the hydrogenation mouth lid structure has double locking safety guarantee.
[0005] The embodiment of the utility model can be realized as follows:
[0006] In the first aspect, the utility model provides a hydrogenation mouth lid structure, which comprises:
[0007] A box body is provided with a hydrogenation port assembly in the box body;
[0008] A cover body is movably connected with the box body through a connecting arm, so that the cover body closes or opens the box body;
[0009] A first locking structure is arranged in the box body, and the first locking structure is used for locking the cover body;
[0010] A second locking structure is arranged in the box body, and a locking part matched with the second locking structure is arranged on the connecting arm, and the second locking structure is used for locking the connecting arm.
[0011] In the optional embodiment, the hydrogenation mouth lid structure is in communication connection with the control system of fuel cell automobile, and the control system comprises a vehicle controller;
[0012] The first locking structure is in communication connection with the vehicle controller, and the vehicle controller is used for controlling the first locking structure to lock or release the cover body.
[0013] The second locking structure is in communication connection with the vehicle controller, and the vehicle controller is used for controlling the second locking structure to lock or release the connecting arm.
[0014] In an optional embodiment, the control system further comprises a hydrogen system controller in communication connection with the vehicle controller, and the hydrogen system controller sends a safe hydrogen filling signal to the vehicle controller.
[0015] In an optional embodiment, the hydrogen filling port assembly is in communication with a hydrogen cylinder through a hydrogen delivery pipe, and a valve is arranged on the hydrogen delivery pipe.
[0016] The box body is provided with a sensing member facing the cover body, the sensing member is in communication connection with the valve and the hydrogen system controller, and the sensing member is used for sending a safe hydrogen filling signal to the hydrogen system controller when the valve is closed and the cover body is in an open state.
[0017] In an optional embodiment, one end of the connecting arm is connected to the cover body, and the other end is connected to a driving member through a pull wire.
[0018] The driving member is in communication connection with the vehicle controller, and the vehicle controller is used for controlling the driving member to drive the connecting arm to extend or retract, so as to close or open the box body.
[0019] In an optional embodiment, the control system further comprises a vehicle body controller, the vehicle controller is connected to the vehicle body controller, the vehicle controller sends an opening cover signal to the vehicle body controller, and the vehicle body controller controls the driving member to drive the connecting arm to extend or retract.
[0020] In an optional embodiment, the fuel cell vehicle is provided with a hydrogen filling port button, the hydrogen filling port button is in communication connection with the vehicle controller, the hydrogen filling port button sends an opening cover signal to the vehicle controller, and the vehicle controller controls the first locking structure and the second locking structure to release the cover body.
[0021] In an optional embodiment, one side of the cover body facing the hydrogen filling port assembly is provided with a matching part, and the matching part is arranged in opposite matching with the first locking structure; the first locking structure comprises at least any one of a locking structure, a spring lock tongue structure or a rotary buckle structure.
[0022] In an optional embodiment, the hydrogen filling port assembly and the box body are sealed and connected through a multi-layer sealing structure.
[0023] In a second aspect, the utility model provides a kind of fuel cell vehicle, including the hydrogen inlet cover structure of any one of preceding embodiment.
[0024] The hydrogen inlet cover structure and fuel cell vehicle provided by the utility model embodiment have the beneficial effects that
[0025] By setting the first locking structure, the first locking structure locks or releases the cover body, so that the cover body closes or opens the box body, and then hydrogen is added to the fuel cell vehicle.By setting the second locking structure, the second locking structure locks or releases the connecting arm, so that the cover body can open the box body. The hydrogen inlet cover structure is provided with double locking safety, the first locking structure provides the convenience of locking and releasing the cover body and the box body, the second locking structure locks the connecting arm and provides additional locking force for opening the cover body, enhances the safety in emergency, effectively prevents safety hazards such as hydrogen leakage, and improves the safety of the vehicle. BRIEF DESCRIPTION OF DRAWINGS
[0026] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment, it should be understood that the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for those skilled in the art, without creative labor, other related drawings can also be obtained according to these drawings.
[0027] Figure 1 The partial schematic view of the hydrogen inlet cover structure provided by the embodiment is shown in the figure.
[0028] Figure 2 The internal schematic view of the hydrogen inlet cover structure provided by the embodiment is shown in the figure.
[0029] Figure 3 The transmission structure schematic view of the connecting arm provided by the embodiment is shown in the figure.
[0030] Figure 4 The schematic view of the control system provided by the embodiment is shown in the figure.
[0031] Figure icon: 010-fuel cell vehicle;011-vehicle body;100-hydrogen inlet cover structure;110-box body;111-matching part;120-hydrogen inlet assembly;130-cover body;140-connecting arm;141-pull wire;142-driving piece;150-first locking structure;160-second locking structure;200-control system;210-vehicle controller;220-hydrogen system controller;230-vehicle body controller;240-hydrogen inlet button. DETAILED DESCRIPTION
[0032] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.
[0033] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.
[0034] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0035] In the description of the utility model, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.
[0036] In addition, if the terms "first", "second" and the like appear, they are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.
[0037] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.
[0038] The overall structure, working principle and technical effects of the hydrogen inlet cover structure 100 and the fuel cell vehicle 010 provided by the utility model will be described in detail below through embodiments and in combination with the drawings.
[0039] Please refer to Figure 1 The hydrogen inlet cover structure 100 provided by the utility model is applied to the fuel cell vehicle 010.
[0040] Please refer to Figure 1 The utility model provides a kind of hydrogen inlet cover structure 100, comprising: box body 110, hydrogen inlet assembly 120 is equipped in box body 110;
[0041] The cover body 130 is movably connected with the box body 110 through the connecting arm 140, so that the cover body 130 closes or opens the box body 110;
[0042] The first locking structure 150 is arranged in the box body 110, and is used for locking the cover body 130.
[0043] The second locking structure 160 is arranged in the box body 110, and the connecting arm 140 is provided with a locking part matched with the second locking structure 160, and the second locking structure 160 is used for locking the connecting arm 140.
[0044] It can be understood that, by arranging the first locking structure 150, the first locking structure 150 locks or releases the cover body 130, so that the cover body 130 closes or opens the box body 110, and then the fuel cell vehicle 010 is hydrogenated; by arranging the second locking structure 160, the second locking structure 160 locks or releases the connecting arm 140, so that the cover body 130 can open the box body 110. The hydrogen inlet cover structure 100 is provided with double locking safety, the first locking structure 150 provides the convenience of locking and releasing the cover body 130 and the box body 110 for daily operation, the second locking structure 160 locks the connecting arm 140 and provides additional locking force for opening the cover body 130, enhances the safety in emergency, effectively prevents the safety hazard of hydrogen leakage, and improves the safety of the whole vehicle.
[0045] In the embodiment, please refer to Figure 1 The hydrogen inlet cover structure 100 comprises the box body 110; the box body 110 is recessed inward along the vehicle body 011 to form a containing space containing the hydrogen inlet assembly 120; the box body 110 is provided with a mounting port in the containing space, and the hydrogen inlet assembly 120 is sealingly connected with the mounting port of the box body 110 through a multi-layer sealing structure.
[0046] The hydrogen inlet assembly 120 is arranged at the mounting port through the multi-layer sealing structure, and the sealing structure at least comprises a plurality of static sealing structures and dynamic sealing structures, so that the sealing performance of the hydrogen inlet assembly 120 under different working conditions can be ensured.
[0047] Optionally, the multi-layer static sealing structure can be an O-shaped sealing ring, and the dynamic sealing structure can be a lip-shaped sealing.
[0048] In the embodiment, the hydrogen inlet assembly 120 is communicated with the hydrogen cylinder through the hydrogen conveying pipe, and the hydrogen conveying pipe is provided with a valve. The hydrogen cylinder is arranged in the fuel cell vehicle 010.
[0049] In the embodiment, the box body 110 is provided with a sensing member, the sensing member is arranged towards the cover body 130, the sensing member is in communication connection with the valve, and the sensing member is used for sending a safe hydrogenation signal to the hydrogen system controller 220 when the valve is closed and the cover body 130 is in an open state.
[0050] The sensing member can be an infrared sensor.
[0051] In the embodiment, please refer to Figure 1 The hydrogenation port cover structure 100 comprises a cover body 130, the cover body 130 is arranged in cooperation with the box body 110, and the cover body 130 can completely close the box body 110. The cover body 130 is movably connected with the box body 110 through a connecting arm 140, so as to close or open the box body 110.
[0052] In the embodiment, please refer to Figures 1-3 One end of the connecting arm 140 is connected with the cover body 130, and the other end is connected with a driving member 142 through a pull wire 141. The driving member 142 works and pulls back the pull wire 141, the pull wire 141 pulls the cover body 130 to move towards the box body 110, so as to close the box body 110; the driving member 142 works and extends the pull wire 141, the cover body 130 moves towards the box body 110, so as to open the box body 110.
[0053] It can be understood that in this way, the automatic opening and closing operation of the box body 110 and the cover body 130 in the hydrogenation port cover structure 100 can be realized; the execution mechanism comprising the driving member 142 and the pull wire 141 has the characteristics of high precision, high reliability and long service life.
[0054] In the embodiment, please refer to Figure 1 The box body 110 is provided with a first locking structure 150, and the first locking structure 150 is used for locking the cover body 130.
[0055] The side of the cover body 130 towards the hydrogenation port assembly 120 is provided with a matching part 111, and the matching part 111 is arranged in opposite cooperation with the first locking structure 150; the first locking structure 150 comprises at least any one of a locking structure, a spring lock tongue structure or a rotating buckle structure.
[0056] It can be understood that the first locking structure 150 cooperates with the matching part 111 to lock the cover body 130, so that the cover body 130 is in a state of closing the box body 110.
[0057] In the embodiment, please refer to Figure 1 The box body 110 is provided with a second locking structure 160, the connecting arm 140 is provided with a locking part matched with the second locking structure 160, and the second locking structure 160 is used for locking the connecting arm 140.
[0058] The second locking structure 160 is arranged in the box body 110 and close to the connecting arm 140.
[0059] Optionally, the second locking structure 160 can be a mechanical locking structure such as a spring lock tongue or a rotating buckle.
[0060] It can be understood that the locking part on the connecting arm 140 cooperates with the second locking structure 160 to lock the connecting arm 140, so that the connecting arm 140 is in a locked state, and the connecting arm 140 cannot drive the cover 130 to extend, thereby the cover 130 cannot open the box body 110. The second locking structure 160 locks the connecting arm 140, which provides additional locking force for the opening of the cover 130, ensures reliable sealing in daily use, enhances safety in emergency situations, effectively prevents safety hazards such as hydrogen leakage, and improves the safety of the whole vehicle.
[0061] In the embodiment, please refer to Figure 4 The hydrogen filling port cover structure 100 is in communication connection with a control system 200 of the fuel cell vehicle 010. The control system 200 includes a vehicle controller 210, a hydrogen system controller 220 and a body controller 230 in communication connection.
[0062] In the embodiment, the control system 200 includes the vehicle controller 210. The first locking structure 150 is in communication connection with the vehicle controller 210, and the vehicle controller is used to control the first locking structure 150 to lock or release the cover 130. The second locking structure 160 is in communication connection with the vehicle controller 210, and the vehicle controller 210 is used to control the second locking structure 160 to lock or release the connecting arm 140.
[0063] Further, one end of the connecting arm 140 is connected with the cover 130, and the other end is connected with a driving member 142 through a pull wire 141; the driving member 142 is in communication connection with the vehicle controller 210, and the vehicle controller 210 is used to control the driving member 142 to drive the connecting arm 140 to extend or retract, so as to close or open the box body 110.
[0064] In the embodiment, the control system 200 includes the hydrogen system controller 220. The hydrogen system controller 220 is in communication connection with the vehicle controller 210, and the hydrogen system controller 220 sends a safe hydrogen filling signal to the vehicle controller 210.
[0065] The hydrogen filling port assembly 120 is in communication with a hydrogen cylinder through a hydrogen conveying pipe, and a valve is arranged on the hydrogen conveying pipe; a sensing member is arranged in the box body 110 and faces the cover 130; the sensing member is in communication connection with the valve and the hydrogen system controller 220, and the sensing member is used to send a safe hydrogen filling signal to the hydrogen system controller 220 when the valve is closed and the cover 130 is in an open state.
[0066] In the embodiment, the control system 200 further comprises a vehicle body controller 230, the vehicle body controller 230 is connected with the vehicle controller 210, and the vehicle controller 210 sends an opening cover signal to the vehicle body controller 230, and the vehicle body controller 230 controls the driving member 142 to drive the connecting arm 140 to extend or retract.
[0067] In the embodiment, the fuel cell vehicle 010 is provided with a hydrogen inlet button 240, the hydrogen inlet button 240 is in communication connection with the vehicle controller 210, the hydrogen inlet button 240 sends an opening cover signal to the vehicle controller 210, and the vehicle controller 210 controls the first locking structure 150 and the second locking structure 160 to release the cover 130.
[0068] It can be understood that, by communicating the hydrogen inlet cover structure 100 with the control system 200 of the fuel cell vehicle 010, the high safety and intelligent operation of the hydrogen inlet cover structure 100 are effectively integrated with the overall control of the hydrogen system by the control system 200.
[0069] Further, by integrating high-precision sensing members, the state of the cover 130 and the box 110 in the hydrogen inlet cover structure 100 is monitored in real time, including whether the cover 130 is opened, whether the cover 130 is in place when closed, whether the sealing performance of the hydrogen inlet cover structure 100 is good, etc.; the data collected by these sensing members is sent to the vehicle controller 210 by the hydrogen system controller 220 for processing.
[0070] Further, the vehicle controller 210 makes judgments and decisions by using a preset intelligent algorithm according to the received sensor data and in combination with the overall running state of the vehicle, including the power system state, the door state, the vehicle position, etc. For example, when the vehicle is in an OFF gear state, the door is closed, and the power system is not started, it is judged that the hydrogen inlet cover can be opened; otherwise, it is prohibited to open.
[0071] Further, on the basis of the above-mentioned preset intelligent judgment, the hydrogen inlet cover structure 100 realizes the automatic opening and closing operation of the cover 130 relative to the box 110 by setting driving members 142 or pneumatic devices as execution mechanisms. After receiving the instruction of the central controller, the execution mechanism accurately controls the action of the hydrogen inlet cover, ensuring that the opening and closing process is smooth and reliable.
[0072] Further, the on-off control of the hydrogen system, the hydrogen inlet cover structure monitoring, and the opening and closing strategy of the hydrogen inlet cover structure 100 are effectively integrated to form a whole system that works cooperatively. During the hydrogenation process, the information is exchanged in real time among the subsystems to jointly ensure the safety and efficiency of the hydrogenation operation.
[0073] The working principle and process of the hydrogen filling port cover structure 100 and the fuel cell vehicle 010 are as follows:
[0074] The operator presses the hydrogen filling port button 240 in the vehicle and sends an opening cover signal to the vehicle controller 210, and the vehicle controller 210 controls the first locking structure 150 to release the cover body 130.
[0075] Further, if the vehicle controller 210 receives a signal from an external hydrogen filling station, the vehicle controller 210 controls the second locking structure 160 to release the connecting arm 140.
[0076] Further, the vehicle controller 210 controls the driving member 142 to drive the connecting arm 140 to extend or retract, so that the cover body 130 opens the box body 110.
[0077] Further, if the valve is closed and the cover body 130 is in the open state at this time, a safe hydrogen filling signal is sent to the hydrogen system controller 220. Then the operator can fill the fuel cell vehicle 010 through the hydrogen filling port assembly 120.
[0078] In summary, the hydrogen filling port cover structure 100 and the fuel cell vehicle 010 provided by the embodiment of the utility model have the following advantages. The first locking structure 150 is arranged to lock or release the cover body 130, so that the cover body 130 closes or opens the box body 110, and then the fuel cell vehicle 010 is filled with hydrogen. The second locking structure 160 is arranged to lock or release the connecting arm 140, so that the cover body 130 can open the box body 110. The hydrogen filling port cover structure 100 is provided with double locking safety protection. The first locking structure 150 provides the convenience of locking and releasing the cover body 130 and the box body 110. The second locking structure 160 locks the connecting arm 140 and provides additional locking force for opening the cover body 130, enhances the safety in emergency, effectively prevents safety hazards such as hydrogen leakage, and improves the safety of the vehicle.
[0079] Further, the control system 200 of the fuel cell vehicle 010 and the on-off control of the hydrogen system, the hydrogen port cover structure monitoring and the opening and closing strategy of the hydrogen filling port cover structure 100 are effectively integrated to form a whole system that works cooperatively. In the hydrogen filling process, the subsystems exchange information in real time to ensure the safety and efficiency of the hydrogen filling operation.
[0080] Further, the hydrogen filling port cover structure 100 is automatically opened and closed through the sensing member and the intelligent algorithm of the control system 200 of the fuel cell vehicle 010, and the safety and convenience of operation are improved.
[0081] The above is only a specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A hydrogenation port cover structure characterized by comprising: The hydrogen inlet cover structure is in communication connection with a control system of the fuel cell vehicle, and the control system comprises a vehicle controller. The first locking structure is in communication connection with the vehicle controller, and the vehicle controller is used for controlling the first locking structure to lock or release the cover body. The second locking structure is in communication connection with the vehicle controller, and the vehicle controller is used for controlling the second locking structure to lock or release the connecting arm. The control system further comprises a hydrogen system controller, the hydrogen system controller is in communication connection with the vehicle controller, and the hydrogen system controller sends a safe hydrogen filling signal to the vehicle controller. The hydrogen inlet assembly is in communication with a hydrogen bottle through a hydrogen conveying pipe, and a valve is arranged on the hydrogen conveying pipe.
2. The hydrofill cap structure of claim 1, wherein The box body is provided with a sensing member, the sensing member is arranged towards the cover body, the sensing member is in communication connection with the valve and the hydrogen system controller, and the sensing member is used for sending a safe hydrogen filling signal to the hydrogen system controller when the valve is closed and the cover body is in an open state. One end of the connecting arm is connected with the cover body, and the other end is connected with a driving member through a pull wire. The driving member is in communication connection with the vehicle controller, and the vehicle controller is used for controlling the driving member to drive the connecting arm to stretch out or retract, so as to close or open the box body.
3. The hydrofill cap structure of claim 2, wherein The control system further comprises a vehicle body controller, the vehicle controller is connected with the vehicle body controller, the vehicle controller sends an opening cover signal to the vehicle body controller, and the vehicle body controller controls the driving member to drive the connecting arm to stretch out or retract.
4. The hydrogen fill port cap structure of claim 3, wherein The fuel cell vehicle is provided with a hydrogen inlet button, the hydrogen inlet button is in communication connection with the vehicle controller, the hydrogen inlet button sends an opening cover signal to the vehicle controller, and the vehicle controller controls the first locking structure and the second locking structure to release the cover body. The side of the cover body towards the hydrogen inlet assembly is provided with a matching part, the matching part is arranged in opposite matching with the first locking structure, and the first locking structure at least comprises any one of a locking structure, a spring lock tongue structure or a rotary buckle structure.
5. The hydrogen fill port cap structure of claim 2, wherein The hydrogen inlet assembly and the box body are sealed and connected through a multilayer sealing structure. The hydrogen inlet cover structure comprises any one of claims 1-9.
6. The hydrogen fill port cap structure of claim 5, wherein 7. The hydrogen fill port cap structure of claim 2, wherein 8. The hydrofill cap structure of claim 1 wherein, 9. The hydrofill cap structure of claim 1 wherein, 10. A fuel cell vehicle characterized by comprising: