An air path quick connecting device, a hydrogen supply system and a hydrogen energy vehicle

Abstract

The application discloses a gas circuit quick connecting device, a hydrogen supply system and a hydrogen energy vehicle, and belongs to the hydrogen energy vehicle field. The quick connecting device is located in a first warehouse body, and the gas circuit quick connecting device comprises an integrated valve assembly, a push rod, a sliding block and a quick connecting joint. The integrated valve assembly is connected with a hydrogen fuel cell stack. The quick connecting joint comprises a quick connecting female joint which is sealingly connected with the integrated valve assembly and a quick connecting male joint which is sealingly connected with a hydrogen storage bottle. The quick connecting female joint is provided with an opening and closing sliding sleeve which is suitable for cooperating with the quick connecting male joint. The push rod is arranged in parallel with the central axis of the hydrogen storage bottle. The upper part of the sliding block is fixed on the push rod, and the lower part of the sliding block is clamped on the opening and closing sliding sleeve. The push rod is pressed to force the opening and closing sliding sleeve to move away from one end of the quick connecting male joint. Through the cooperation between the button, the push rod, the sliding block, the third elastic piece and the opening and closing sliding sleeve, the automatic and quick disassembly and assembly of the quick connecting male joint and the quick connecting female joint are realized, and the hydrogen replacement in three seconds is realized.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of hydrogen energy vehicles, in particular to a gas path quick connecting device, a hydrogen supply system and a hydrogen energy vehicle. BACKGROUND

[0002] At present, in the field of hydrogen energy bicycles, the existing hydrogen cylinder and hydrogen conversion device docking mode needs to be manually connected and disconnected, which is slightly complex in operation, and some users cannot operate it, which brings certain troubles to the users. The existing hydrogen cylinder is connected with a pressure reducing valve assembly, which has a high cost, and the user may damage the pressure reducing valve assembly when replacing the hydrogen cylinder. This brings adverse factors to the business popularization of hydrogen energy bicycles.

[0003] Therefore, it is urgent to design a gas path quick connecting device which can realize automatic and quick disassembly of male and female connectors, reduce the possibility of damage to the hydrogen storage cylinder, reduce the cost and improve the user experience. SUMMARY

[0004] In order to overcome the above technical defects, the present application provides a gas path quick connecting device, a hydrogen supply system and a hydrogen energy vehicle to solve the problems involved in the background art.

[0005] The present application provides a gas path quick connecting device, which is located in a first warehouse body, and comprises an integrated valve assembly, a push rod, a sliding block and a quick connector. The integrated valve assembly is connected with a hydrogen fuel cell stack. The quick connector comprises a quick female connector connected with the integrated valve assembly and a quick male connector connected with the hydrogen storage cylinder. The quick female connector is provided with an opening and closing sliding sleeve matched with the quick male connector. The push rod is parallel to the central axis of the hydrogen storage cylinder. The upper part of the sliding block is fixed on the push rod, and the lower part of the sliding block is clamped on the opening and closing sliding sleeve. Pressing the push rod forces the opening and closing sliding sleeve to move away from the end of the quick male connector.

[0006] Preferably or optionally, the opening and closing sliding sleeve is provided with an outer edge on the side close to the quick male connector.

[0007] Preferably or optionally, the central axis of the integrated valve assembly and the central axis of the hydrogen storage cylinder are located on the same horizontal axis.

[0008] Preferably or optionally, the integrated valve assembly comprises at least a pressure reducing valve assembly.

[0009] Preferably or optionally, the energy storage of the first elastic member is greater than that of the second elastic member.

[0010] Preferably or optionally, the push rod is arranged outside the first storage body through a plurality of mounting members, a third elastic member is arranged on the side of the push rod close to the first storage body closed end face, so that the slider always keeps away from the opening and closing sleeve; a button is arranged on the side of the push rod close to the first storage body open end face, and the push rod, the slider and the opening and closing sleeve are moved away from the one end of the quick-connect male joint by pressing the button.

[0011] Preferably or optionally, the first storage body is further provided with an annular sleeve with smooth inner surface; and the hydrogen storage bottle is inserted into the annular sleeve.

[0012] Preferably or optionally, the annular sleeve is further provided with an electric heating device outside, and the annular sleeve is made of a material with high thermal conductivity.

[0013] The application further provides a hydrogen supply system, which is connected with the hydrogen storage bottle and the hydrogen fuel cell stack by using the quick-connect device, so as to supply hydrogen to the hydrogen fuel cell stack.

[0014] The application further provides a hydrogen energy vehicle, which comprises a vehicle body, a hydrogen fuel cell stack mounted on the vehicle body and a second storage body located below the rear seat plate of the vehicle body; and the hydrogen supply system is contained in the second storage body.

[0015] The application relates to a gas path quick-connect device, a hydrogen supply system and a hydrogen energy vehicle, and has the following advantages compared with the prior art.

[0016] Advantages:

[0017] 1. The automatic and rapid disassembly and assembly of the quick-connect male joint and the quick-connect female joint are realized through the cooperation between the button, the push rod, the slider, the third elastic member and the opening and closing sleeve, three-second hydrogen replacement is realized: one-finger light press button, hydrogen storage bottle pops out, easy to take, one-finger push hydrogen storage bottle, complete hydrogen replacement. Therefore, the user operation is fast and simple, and the user experience is good.

[0018] 2. The hydrogen storage bottle structure is simplified by fixing the pressure reducing valve assembly in the hydrogen storage warehouse and designing the hydrogen storage bottle with an integrated hydrogen charging and discharging valve and a safety valve, one-way hydrogen charging and one-way hydrogen discharge are realized, safety is ensured, cost is greatly reduced, and the possibility of user damaging the hydrogen bottle is reduced, and the user experience is good.

[0019] 3. The gap cooperation between the annular sleeve and the hydrogen storage bottle makes the hydrogen storage bottle very smooth to be loaded and taken. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an explosion schematic view of the gas path quick-connect joint in the application.

[0021] Figure 2 is the schematic diagram of the external structure of the hydrogen supply system in the present application.

[0022] Figure 3 is the schematic diagram of the explosion structure of the hydrogen supply system in the present application.

[0023] Figure 4 is the schematic diagram of the cross section of the hydrogen supply system in the present application.

[0024] Reference signs are:

[0025] 100, first housing; 110, upper part; 120, lower part; 130, open end face; 121, mounting step;

[0026] 200, hydrogen storage bottle; 210, quick-connect male joint;

[0027] 310, integrated valve assembly; 320, quick-connect female joint;

[0028] 410, annular sleeve; 420, electric heating device;

[0029] 500, second housing; 510, tail end face; 520, housing cover; 521, reinforcing rib; 522, mechanical lock; 523, tail light; 530, bottom plate;

[0030] 600, locking and disengaging device; 610, mounting piece; 620, push rod; 630, sliding block; 640, third elastic member; 650, button. DETAILED DESCRIPTION

[0031] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in detail to avoid obscuring the present application.

[0032] Example 1

[0033] Reference is made to the accompanying drawings Figure 1The gas path quick connecting device is located in the first storage body 100, and characterized in that the gas path quick connecting device comprises an integrated valve assembly 310, a push rod 620, a sliding block 630 and a quick connecting joint; the integrated valve assembly 310 is connected with a hydrogen fuel cell stack; the integrated valve assembly 310 at least comprises a pressure reducing valve assembly to realize the pressure reducing function and meet the use requirements of the hydrogen fuel cell stack; the quick connecting joint comprises a quick connecting female joint 320 sealingly connected with the integrated valve assembly 310 and a quick connecting male joint 210 sealingly connected with the hydrogen storage bottle 200; in order to ensure that the quick connecting female joint 320 and the quick connecting male joint 210 are aligned, the central axis of the integrated valve assembly 310 and the central axis of the hydrogen storage bottle 200 are located on the same horizontal axis; the quick connecting female joint 320 is provided with a gas path opening and closing sliding sleeve 326 adapted to cooperate with the quick connecting male joint 210; the push rod 620 is arranged parallel to the central axis of the hydrogen storage bottle 200 and is arranged outside the first storage body 100 through a plurality of mounting members 610; the upper part 110 of the sliding block 630 is fixed on the push rod 620, and the lower part 120 of the sliding block 630 is clamped on the opening and closing sliding sleeve 326; a third elastic member 640 is arranged on the side of the push rod 620 close to the closed end surface of the first storage body 100, so that the sliding block 630 always maintains a tendency of being separated from the opening and closing sliding sleeve 326; a button 650 is arranged on the side of the push rod 620 close to the open end surface 130 of the first storage body 100, and the push rod 620, the sliding block 630 and the opening and closing sliding sleeve 326 are moved away from the quick connecting male joint 210 by pressing the button 650.

[0034] Embodiment 2

[0035] Refer to the attached drawings Figures 2 to 4 The hydrogen supply system comprises a first storage body 100, a second storage body 500, an integrated valve assembly 310, a locking and separating device 600 and a hydrogen storage bottle 200.

[0036] The first storage body 100 comprises an upper part 110 and a lower part 120, which constitute an open-ended containing cavity suitable for containing the hydrogen storage bottle 200, and the connecting port of the hydrogen storage bottle 200 is provided with a quick connecting male joint 210. In addition, in order to ensure the safety performance of the hydrogen storage bottle 200, a safety valve can also be arranged between the quick connecting male joint 210 and the connecting port of the hydrogen storage bottle 200.

[0037] The installation step 121 is arranged on the lower part 120 of the first container body 100, away from the open end face 130, for installing the integrated valve assembly 310, so as to ensure that the connecting port of the integrated valve assembly 310 is on the same horizontal axis as the connecting port of the hydrogen storage bottle 200. The hydrogen outlet of the integrated valve assembly 310 is connected to the hydrogen fuel cell stack, and the connecting port of the integrated valve assembly 310 is provided with a quick-connect female connector 320. The quick-connect female connector 320 is provided with a gas path opening and closing slider 630 adapted to cooperate with the quick-connect male connector 210. When the opening and closing slider 630 is close to the side of the integrated valve assembly 310, the quick-connect female connector 320 automatically pops out the quick-connect male connector 210; when the opening and closing slider 630 is away from the side of the integrated valve assembly 310, the quick-connect male connector 210 is clamped inside the quick-connect female connector 320, forming a stable transmission path.

[0038] In the embodiment, the integrated valve assembly 310 is a pressure reducing valve assembly, mainly realizing the function of pressure reduction. However, for those skilled in the art, the integrated valve assembly 310 is a collection of one or more of pressure reducing valves, safety valves or control valves.

[0039] The locking and disengaging device 600 includes a push rod 620 arranged outside the first container body 100 and extending to the outside of the open end face 130 of the first container body 100, and a slider 630 fixedly connected with the push rod 620 and adapted to push the opening and closing slider 630 to move away from the end of the quick-connect male connector 210.

[0040] The first container body 100 is further sleeved with a second container body 500, which mainly plays a supporting role to install the first container body 100 on a hydrogen energy vehicle. The tail end face 510 of the second container body 500 is aligned with the open end face 130 of the first container body 100, and a container cover 520 is further arranged on the tail end face 510 of the second container body 500. The inner surface of the container cover 520 is provided with a reinforcing rib 521. The container cover 520 is further provided with a mechanical lock 522 and a tail lamp 523, which will not be described in detail here. When the container cover 520 is in a closed state, the reinforcing rib 521 abuts against the bottom of the hydrogen storage bottle 200, so as to keep the installation of the hydrogen storage bottle 200 in conformity with the installation requirements.

[0041] Specifically, the locking and disengaging device 600 is arranged in the interlayer of the first and second cartridge bodies 100 and 500, and comprises a plurality of mounting members 610, a push rod 620, a sliding block 630, a third elastic member 640 and a button 650. The mounting members 610 are fixedly mounted inside the second cartridge body 500; the push rod 620 is slidingly mounted between the mounting members 610; the push rod 620 extends from the closed end of the second cartridge body 500 to the open end face 130 of the second cartridge body 500; the upper portion 110 of the sliding block 630 is fixedly mounted on the push rod 620, and the lower portion 120 of the sliding block 630 is clamped on the outer edge 329 of the opening and closing sliding block 630; the third elastic member 640 keeps the sliding block 630 disengaged from the opening and closing sliding block 630; and the button 650 is arranged at the tail end face 510 of the second cartridge body 500 and drives the opening and closing sliding block 630 to move towards the side close to the integrated valve assembly 310 through the push rod 620 and the sliding block 630.

[0042] In a further embodiment, the first cartridge body 100 is further provided with an annular sleeve 410 with a smooth inner surface; the annular sleeve 410 is made of aluminum material, the roughness of the inner surface thereof is Ra1.6, the gap distance between the annular sleeve 410 and the single side of the hydrogen storage bottle 200 is controlled to be between 0.15 and 0.25 mm, and the hydrogen storage bottle 200 is inserted into the annular sleeve 410 while being aligned with the integrated valve assembly 310. When the quick male connector 210 is ejected, the hydrogen storage bottle 200 can be ejected along the annular sleeve 410, thereby facilitating the disassembly of the hydrogen storage bottle 200.

[0043] In addition, the annular sleeve 410 is further provided with an electric heating device 420 outside, the electric heating device 420 is an electric heating paper, is adhered to the outer surface of the annular sleeve 410 by an adhesive, and a plurality of annular reinforcing ribs 521 are arranged in the second cartridge body 500, thereby further ensuring the adhesion of the electric heating paper to the annular sleeve 410 and achieving the heating of the hydrogen storage bottle 200. In this way, the heating and the installation and disassembly of the hydrogen storage bottle 200 are not affected by the heating film, and the convenience of disassembly of the hydrogen storage bottle 200 is improved.

[0044] In order to facilitate the understanding of the technical scheme of the hydrogen supply system, the quick hydrogen replacement method thereof is briefly described as follows: a user opens the cartridge cover 520, presses the button 650, drives the opening and closing sliding block 630 to move towards the side close to the integrated valve assembly 310 through the push rod 620 and the sliding block 630, separates the quick male connector 210 from the quick female connector 320, and takes out the hydrogen storage bottle 200; inserts the hydrogen storage bottle 200 full of hydrogen into the first cartridge body 100, pushes the hydrogen storage bottle 200 forward, installs the quick male connector 210 of the hydrogen storage bottle 200 on the quick female connector 320 of the integrated valve assembly 310, and realizes automatic docking to complete the hydrogen replacement.

[0045] Embodiment 3

[0046] The embodiment also provides a hydrogen energy vehicle, comprising a vehicle body, a hydrogen fuel cell stack mounted on the vehicle body, and a second storage body 500 located below a rear seat plate of the vehicle body; a mounting bottom plate 530 is arranged below the second storage body 500, and the hydrogen supply system described in Embodiment 2 is contained in the second storage body 500.

[0047] In addition, it should be noted that each specific technical feature described in the foregoing specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, various possible combinations are not described again in the present application.

Claims

1. A hydrogen energy vehicle, comprising a vehicle body, a hydrogen fuel cell stack mounted on the vehicle body, and a second storage body located below a rear seat plate of the vehicle body; a hydrogen supply system is contained in the second storage body; the hydrogen supply system uses a gas path quick connection device to connect a hydrogen storage bottle with the hydrogen fuel cell stack, thereby realizing hydrogen supply to the hydrogen fuel cell stack. The quick connection device is located in a first storage body, and the gas path quick connection device comprises an integrated valve assembly, a push rod, a sliding block, and a quick connector; the integrated valve assembly is connected in communication with the hydrogen fuel cell stack; the quick connector comprises a quick female connector in sealed connection with the integrated valve assembly and a quick male connector in sealed connection with the hydrogen storage bottle; the quick female connector is provided with an opening and closing sliding sleeve adapted to cooperate with the quick male connector; the push rod is arranged parallel to the central axis of the hydrogen storage bottle, the upper part of the sliding block is fixed on the push rod, and the lower part of the sliding block is clamped on the opening and closing sliding sleeve; pressing the push rod forces the opening and closing sliding sleeve to move away from the end of the quick male connector; The push rod is arranged outside the first storage body through a plurality of mounting members, a third elastic member is arranged on the side of the push rod close to the closed end face of the first storage body, so that the sliding block always maintains a tendency to be separated from the opening and closing sliding sleeve; a button is arranged on the side of the push rod close to the open end face of the first storage body, and pressing the button makes the push rod, the sliding block, and the opening and closing sliding sleeve move away from the end of the quick male connector; The first storage body is further provided with an annular sleeve with a smooth inner surface; the hydrogen storage bottle is inserted into the annular sleeve; the annular sleeve is further provided with an electric heating device outside, and the annular sleeve is made of a material with high thermal conductivity.

2. The hydrogen energy vehicle according to claim 1, characterized by, The outside of the side of the opening and closing sliding sleeve close to the connection end is provided with an outer edge.

3. The hydrogen energy vehicle according to claim 1, characterized by, The central axis of the integrated valve assembly is located on the same horizontal axis as the central axis of the hydrogen storage bottle.

4. The hydrogen energy vehicle according to claim 1, characterized by, The integrated valve assembly at least comprises a pressure reducing valve assembly.

Images