Overhead type commuting passenger car hydrogen exchange system

Abstract

The invention discloses an overhead type commuting passenger car hydrogen exchange system, relates to the technical field of hydrogen energy automobiles, and aims to solve the problems that in the prior art, a back type hydrogen exchange system is adopted in an existing commuting passenger car, the number of hydrogen cylinders capable of being loaded is small, the system is not suitable for long-distance use, hydrogen exchange operation is tedious, and use is inconvenient. An overhead hydrogen exchange system and a gas supply box are arranged on the passenger car, the overhead hydrogen exchange system is connected with the gas supply box, the overhead hydrogen exchange system comprises a bracket and a pressing frame, a connecting rod is installed between the bracket and the pressing frame, a supporting seat is arranged on the bracket, a pressing seat is arranged below the pressing frame, and the connecting rod is connected with the supporting seat. A plurality of hydrogen cylinders are arranged between the bracket and the pressing seat, the bracket is fixedly connected with the passenger car through bolts, a monitoring connector is arranged on the front end face of each hydrogen cylinder, a gas conveying pipe is connected to the lower portion of each monitoring connector, and a connecting valve is installed at one end of each gas conveying pipe.

Description

Technical Field

[0001] The present invention relates to the technical field, in particular to a roof-mounted commuter bus hydrogen exchange system. Background Art

[0002] There are two types of hydrogen-powered vehicles: a hydrogen internal combustion vehicle (HICEV) is a vehicle that is powered by an internal combustion engine that burns hydrogen (usually obtained by decomposing methane or electrolyzing water) and oxygen in the air, while a hydrogen fuel cell vehicle (FCEV) is a vehicle that uses hydrogen or hydrogen-containing substances and oxygen in the air to generate electricity through a fuel cell, which then drives an electric motor that drives the vehicle.

[0003] For example, the announcement number is CN117759860A, a commercial vehicle back-type hydrogen exchange system and a commercial vehicle, the hydrogen exchange system comprises: a housing, the housing is detachably connected to the vehicle, a communication interface and a charging interface are provided on the vehicle, at least one hydrogen storage module, a gas pipeline is provided in the housing, the hydrogen storage module is arranged in the housing, the output end of the hydrogen storage module is connected to the input end of the gas pipeline through a normally closed valve, the output end of the gas pipeline is detachably connected to the charging interface, and the control end of the normally closed valve is detachably connected to the communication interface;

[0004] The commercial vehicle back-mounted hydrogen exchange system of the above application shortens the hydrogen refueling time through an integrally replaceable shell and hydrogen storage module, avoids waiting in line, and improves the operating efficiency and rhythm of the hydrogen refueling station. The hydrogen storage module is detachable from the vehicle, and can be filled with hydrogen in advance using a slow charging mode, avoiding the problem of insufficient hydrogen refueling due to temperature rise caused by excessive hydrogen refueling rate. However, the number of hydrogen cylinders that can be loaded is small, making it unsuitable for long-distance use. The hydrogen exchange operation is cumbersome and inconvenient to use. Therefore, the market urgently needs to develop a roof-mounted commuter bus hydrogen exchange system to help people solve existing problems. Summary of the invention

[0005] The purpose of the present invention is to provide a roof-mounted commuter bus hydrogen exchange system to solve the problems raised in the above background technology that the current commuter buses use a backpack-type hydrogen exchange system, which can carry few hydrogen cylinders, is not suitable for long-distance use, and the hydrogen exchange operation is cumbersome and inconvenient to use.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a roof-mounted commuter bus hydrogen exchange system, comprising a bus, characterized in that: the bus is provided with a roof-mounted hydrogen exchange system and a gas supply box, the roof-mounted hydrogen exchange system is connected to the gas supply box, the roof-mounted hydrogen exchange system comprises a bracket and a pressure frame, a connecting rod is installed between the bracket and the pressure frame, a bracket is provided on the bracket, a pressure seat is provided under the pressure frame, a hydrogen cylinder is provided between the bracket and the pressure seat, the bracket is fixedly connected to the bus by bolts, and a plurality of hydrogen cylinders are provided.

[0007] Through the above technical solution, multiple hydrogen cylinders are fixed by combining brackets, pressure frames and connecting rods to form a fixed frame, and then the bracket and the top of the bus are fixed with bolts, thereby forming an integrated hydrogen exchange system. When hydrogen needs to be replaced, it is only necessary to remove the bolts connecting the bracket and the top of the bus, and the entire hydrogen exchange system can be disassembled and replaced by lifting, thereby achieving a rapid hydrogen exchange effect, reducing the time for hydrogen exchange, making the hydrogen exchange work simpler, and improving the efficiency of hydrogen exchange.

[0008] In a preferred example, the present invention can be further configured as follows: a monitoring connector is provided on the front end surface of the hydrogen cylinder, a gas pipe is connected below the monitoring connector, and a connecting valve is installed at one end of the gas pipe.

[0009] Through the above technical solution, the monitoring joint is equipped with a leak detection sensor for detecting leaks at the interface. Each hydrogen cylinder is independently provided with a detection joint, which can maximize the monitoring effect and improve the safety of hydrogen cylinder use.

[0010] In a preferred example, the present invention can be further configured as follows: the connecting valve includes a valve body, one end of the valve body is rotatably connected to a connecting sleeve, one side of the air supply box is provided with a connecting head, and the connecting sleeve is threadedly connected to the connecting head.

[0011] Through the above technical solution, the connecting valve and the gas supply box are connected by means of a connecting head, and a threaded connection is adopted between the connecting sleeve of the connecting valve and the connecting head, which is very convenient for disassembly and connection, thereby achieving the effect of quick connection and quick disassembly, facilitating the connection of the hydrogen exchange system with the gas supply box and the bus, facilitating the hydrogen exchange operation, and making the hydrogen exchange work more convenient.

[0012] In a preferred example, the present invention can be further configured as follows: an electric-controlled valve is arranged in the air supply box, the connecting head and the electric-controlled valve are arranged as an integrated structure, a hydrogen supply pipe and a one-way valve are respectively arranged below the electric-controlled valve, a hydrogen filling gun muzzle connected to the one-way valve is arranged at the rear of the bus, and the hydrogen supply pipe is connected to the hydrogen fuel cell of the bus.

[0013] Through the above technical solution, the one-way valve is used so that the hydrogen exchange system can still perform hydrogen filling work, and the hydrogen filling pipeline can only flow to the hydrogen cylinder, thereby avoiding backflow of the hydrogen filling pipeline.

[0014] In a preferred example, the present invention can be further configured as follows: a monitoring host is provided in the air supply box and is electrically connected to the electric control valve.

[0015] Through the above technical solution, the monitoring host is used to control the electronically controlled valves to achieve the connection and closing of all pipelines.

[0016] In a preferred example, the present invention can be further configured as follows: a valve core is slidably connected to the valve body, a valve stem is rotatably connected to the valve body, the valve stem is threadedly connected to the valve core, a hand wheel is installed on the valve stem, a second sealing disk is installed on the valve body, a first sealing disk is installed below the valve body, an air conditioner is arranged above the bus, a lifting frame is installed on the press frame, and a side stabilizer bar is installed on the front end surface of the press frame.

[0017] Through the above technical solution, the valve stem is rotated by a hand wheel to adjust the height of the valve core, so that the connecting valve can be closed, thereby closing the output end of the gas pipeline, so that hydrogen will not leak when changing hydrogen.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The invention fixes multiple hydrogen cylinders by combining a bracket, a pressure frame and a connecting rod to form a fixed frame, and then fixes the bracket to the top of the bus with bolts, thereby forming an integrated hydrogen exchange system. When hydrogen needs to be replaced, it is only necessary to remove the bolts connecting the bracket and the top of the bus, and the entire hydrogen exchange system can be disassembled and replaced by lifting, thereby achieving a rapid hydrogen exchange effect, reducing the time for hydrogen exchange, making the hydrogen exchange work simpler, and improving the efficiency of hydrogen exchange.

[0020] 2. The monitoring joint of the invention has a built-in leak detection sensor for detecting leaks at the interface. Each hydrogen cylinder is independently provided with a detection joint, which can maximize the monitoring effect and improve the safety of hydrogen cylinder use.

[0021] 3. The invention utilizes a connecting head connecting the connecting valve and the gas supply box for connection, and a threaded connection is adopted between the connecting sleeve of the connecting valve and the connecting head, which is very convenient for disassembly and connection, thereby achieving the effect of quick connection and quick disassembly, facilitating the connection of the hydrogen exchange system with the gas supply box and the bus, facilitating the hydrogen exchange operation, and making the hydrogen exchange work more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a front view of the roof-mounted commuter bus hydrogen exchange system of the present invention;

[0023] Figure 2 It is a schematic structural diagram of the overhead hydrogen exchange system of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the connecting valve of the present invention;

[0025] Figure 4 It is a schematic diagram of the internal structure of the air supply box of the present invention;

[0026] In the figure: 1. Coach; 2. Air conditioner; 3. Top-mounted hydrogen exchange system; 4. Gas supply box; 5. Bracket; 6. Press frame; 7. Connecting rod; 8. Hydrogen cylinder; 9. Side stabilizer bar; 10. Lifting frame; 11. Bracket; 12. Press seat; 13. Monitoring connector; 14. Gas pipeline; 15. Connecting valve; 16. Valve body; 17. Valve core; 18. First sealing disk; 19. Valve stem; 20. Second sealing disk; 21. Hand wheel; 22. Connecting sleeve; 23. Connecting head; 24. Electric control valve; 25. Hydrogen supply pipe; 26. One-way valve; 27. Monitoring host. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inside", "outside", "top / bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] See also Figure 1 and Figure 2 An embodiment of the present invention is as follows: a roof-mounted commuter bus hydrogen exchange system, comprising a bus 1, a roof-mounted hydrogen exchange system 3 and a gas supply box 4 are arranged on the bus 1, the roof-mounted hydrogen exchange system 3 is connected to the gas supply box 4, the roof-mounted hydrogen exchange system 3 comprises a bracket 5 and a press frame 6, a connecting rod 7 is installed between the bracket 5 and the press frame 6, a bracket 11 is arranged on the bracket 5, a press frame 12 is arranged below the press frame 6, a hydrogen cylinder 8 is arranged between the bracket 11 and the press seat 12, the bracket 5 is fixedly connected to the bus 1 by bolts, and a plurality of hydrogen cylinders 8 are arranged.

[0031] See also Figure 1 and Figure 2A monitoring connector 13 is provided on the front end surface of the hydrogen cylinder 8 , a gas supply pipe 14 is connected below the monitoring connector 13 , and a connecting valve 15 is installed at one end of the gas supply pipe 14 .

[0032] See also Figure 3 The connecting valve 15 includes a valve body 16 , one end of the valve body 16 is rotatably connected to a connecting sleeve 22 , a connecting head 23 is provided on one side of the air supply box 4 , and the connecting sleeve 22 is threadedly connected to the connecting head 23 .

[0033] See also Figure 1 and Figure 4 An electric control valve 24 is arranged in the air supply box 4, the connecting head 23 and the electric control valve 24 are arranged as an integrated structure, a hydrogen supply pipe 25 and a one-way valve 26 are arranged below the electric control valve 24, a hydrogen filling gun muzzle connected to the one-way valve 26 is arranged at the rear of the bus 1, and the hydrogen supply pipe 25 is connected to the hydrogen fuel cell of the bus 1.

[0034] See also Figure 4 A monitoring host 27 is provided in the air supply box 4 and is electrically connected to the electric control valve 24 .

[0035] See also Figure 3 A valve core 17 is slidably connected to the valve body 16 , a valve stem 19 is rotatably connected to the valve body 16 , the valve stem 19 is threadedly connected to the valve core 17 , and a hand wheel 21 is installed on the valve stem 19 .

[0036] See also Figure 3 A second sealing disk 20 is installed on the valve body 16 , and a first sealing disk 18 is installed below the valve body 16 .

[0037] See also Figure 1 An air conditioner 2 is arranged above the passenger car 1, a hoisting frame 10 is installed on the pressure frame 6, and a side stabilizer bar 9 is installed on the front end surface of the pressure frame 6.

[0038] Working principle: When in use, the hydrogen cylinder 8 is fixed by a frame composed of a bracket 5, a pressing frame 6 and a connecting rod 7. A bracket 11 is provided on the bracket 5, and a pressing seat 12 is provided under the pressing frame 6. The hydrogen cylinder 8 is pressed between the bracket 11 and the pressing seat 12, thereby forming a complete set of hydrogen exchange system. Then the complete set of hydrogen exchange system is installed on the top of the bus 1, and then the connecting valve 15 is connected to the connecting head 23 of the gas supply box 4, and the connecting head 23 is threadedly connected by the connecting sleeve 22, and the gas pipe 14 is connected to the electric control valve 24. When the hand wheel 21 is rotated, When the valve stem 19 is opened, the valve core 17 can be moved upward so that the interior of the valve body 16 is in a flow state, so that the hydrogen bottle 8 can provide hydrogen to the hydrogen supply pipe 25 through the electric control valve 24, and supply hydrogen to the fuel cell of the bus 1. When it is necessary to replace the top-mounted hydrogen exchange system 3, the lifting mechanism is used to connect the lifting frame 10, and then the bolts between the bracket 5 and the top of the bus 1 are removed, and the connecting valve 15 and the electric control valve 24 are closed at the same time, and the connecting sleeve 22 is disconnected from the connecting head 23. At this time, the top-mounted hydrogen exchange system 3 can be removed for replacement.

[0039] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A roof-mounted commuter bus hydrogen exchange system, comprising a bus (1), characterized in that: The bus (1) is provided with a top-mounted hydrogen exchange system (3) and a gas supply box (4), the top-mounted hydrogen exchange system (3) is connected to the gas supply box (4), the top-mounted hydrogen exchange system (3) comprises a bracket (5) and a press frame (6), a connecting rod (7) is installed between the bracket (5) and the press frame (6), a bracket seat (11) is provided on the bracket (5), a press frame (12) is provided below the press frame (6), a hydrogen cylinder (8) is provided between the bracket seat (11) and the press frame (12), the bracket (5) is fixedly connected to the bus (1) by bolts, and a plurality of hydrogen cylinders (8) are provided.

2. The roof-mounted commuter bus hydrogen exchange system according to claim 1, characterized in that: A monitoring joint (13) is provided on the front end surface of the hydrogen cylinder (8), a gas supply pipe (14) is connected below the monitoring joint (13), and a connecting valve (15) is installed at one end of the gas supply pipe (14).

3. The roof-mounted commuter bus hydrogen exchange system according to claim 2 is characterized in that: The connecting valve (15) comprises a valve body (16), one end of which is rotatably connected to a connecting sleeve (22), one side of the air supply box (4) is provided with a connecting head (23), and the connecting sleeve (22) is threadedly connected to the connecting head (23).

4. The roof-mounted commuter bus hydrogen exchange system according to claim 3 is characterized in that: An electric control valve (24) is arranged in the gas supply box (4), the connecting head (23) and the electric control valve (24) are arranged as an integral structure, a hydrogen supply pipe (25) and a one-way valve (26) are arranged below the electric control valve (24), a hydrogen charging gun nozzle connected to the one-way valve (26) is arranged at the rear of the bus (1), and the hydrogen supply pipe (25) is connected to a hydrogen fuel cell of the bus (1).

5. The roof-mounted commuter bus hydrogen exchange system according to claim 4, characterized in that: The air supply box (4) is provided with a monitoring host (27) which is electrically connected to the electric control valve (24).

6. The roof-mounted commuter bus hydrogen exchange system according to claim 3, characterized in that: A valve core (17) is slidably connected to the valve body (16), a valve stem (19) is rotatably connected to the valve body (16), the valve stem (19) is threadedly connected to the valve core (17), and a hand wheel (21) is installed on the valve stem (19).

7. The roof-mounted commuter bus hydrogen exchange system according to claim 6, characterized in that: A second sealing disk (20) is installed on the valve body (16), and a first sealing disk (18) is installed below the valve body (16).

8. The roof-mounted commuter bus hydrogen exchange system according to claim 1, characterized in that: An air conditioner (2) is arranged above the passenger car (1), a hanging frame (10) is installed on the press frame (6), and a side stabilizing bar (9) is installed on the front end surface of the press frame (6).

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