A slow flow device for hydrogen filling equipment

Abstract

The utility model discloses a slow flow device for hydrogen filling equipment, which relates to the technical field of hydrogen filling, and comprises a supporting frame, wherein a main tank body is arranged at the inner lower end of the supporting frame, and a sub-tank body is arranged at the inner upper end of the supporting frame and at the front and rear sides of the main tank body, a pump is arranged on the upper surface of the main tank body and between the two sub-tanks, a diverter is arranged on the right side of the upper surface of the main tank body and at a position corresponding to the pump, a power input end of the diverter is connected to the power output end of the pump, a main pipeline is connected between the right side end of the diverter and the right lower end of the main tank body, a sub-pipeline is connected between the front and rear sides of the diverter and the two sub-tanks, and a connecting pipe mouth is connected on the left side of the upper surface of the main tank body, so as to reduce the space occupied by the slow flow device, and improve the hydrogen gas flow buffering effect during filling while ensuring the volume of the equipped slow flow tank.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen filling, in particular to a flow slowing device for hydrogen filling equipment. Background Art

[0002] Hydrogen filling equipment is used to fill hydrogen from hydrogen storage tanks into hydrogen-powered vehicles or other hydrogen-powered equipment. Hydrogen filling equipment usually includes components such as compressors, hydrogen storage containers, cooling systems, safety valves, and slow-flow devices to ensure that hydrogen is safely filled into target equipment. Although traditional hydrogen filling equipment is equipped with a slow-flow tank, due to its integrated design, the slow-flow tank is relatively small in size and has a general buffering effect on the hydrogen gas flow during filling. Utility Model Content

[0003] The purpose of the utility model is to provide a flow slowing device for hydrogen filling equipment to solve the problem raised in the above background technology that although the traditional hydrogen filling equipment is equipped with a flow slowing tank, due to the integrated design, the volume of the equipped flow slowing tank is relatively small and the buffering effect on the hydrogen gas flow during filling is general.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydrogen filling equipment slow flow device, comprising a support frame, a main tank body is provided at the inner lower end of the support frame, a sub-tank body is provided at the inner upper end of the support frame and at the front and rear sides of the main tank body, a pump is provided on the upper surface of the main tank body and between the two sub-tanks, a diverter is provided on the right side of the upper surface of the main tank body and at a position corresponding to the pump, a power input end of the diverter is connected to the power output end of the pump, a main pipeline is connected between the right side end of the diverter and the right lower end of the main tank body, a sub-pipeline is connected between the front and rear sides of the diverter and the two sub-tanks, and a connecting pipe mouth is connected to the left side of the upper surface of the main tank body.

[0005] Preferably, the left side end of the main tank body and the left side ends of the two auxiliary tank bodies are both against the left side of the support frame, a pipeline space is provided on the right side of the main tank body, the main pipeline is arranged inside the pipeline space, an equipment space is provided between the upper surface of the main tank body and the two auxiliary tank bodies, and the diverter and the auxiliary pipeline are arranged inside the equipment space.

[0006] Preferably, a mounting frame is provided at positions of the side walls of the support frame corresponding to the main tank body and the auxiliary tank body, a mounting plate is provided inside the mounting frame, and the main tank body and the auxiliary tank body are fixedly connected to the support frame via the mounting plate.

[0007] Preferably, a detection pipe opening is provided on the upper wall of the main tank body and on the left side of the connecting pipe opening, and a sewage discharge pipe opening is connected to the middle position of the lower wall of the main tank body.

[0008] Preferably, pipeline through holes are provided at the lower end of the mounting plate and on the front and rear sides of the main tank body.

[0009] Compared with the prior art, the beneficial effects of the utility model are: replacing the slow flow tank equipped with traditional hydrogen filling equipment, on the basis of integrated design, the main tank body and the auxiliary tank body are integrated into the interior of the supporting frame. Due to the rectangular structure of the supporting frame, the space occupied by the slow flow device is reduced. While ensuring the volume of the equipped slow flow tank, the hydrogen airflow buffering effect during filling is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is an axonometric drawing of the main structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the main structure of the utility model;

[0012] Figure 3 This is a front cross-sectional view of the main structure of the utility model;

[0013] Figure 4 It is a top view schematic diagram of the main structure of the utility model;

[0014] Figure 5 It is a right side schematic diagram of the main structure of the utility model.

[0015] In the figure: 1-support frame, 2-main tank body, 3-auxiliary tank body, 4-pump, 5-diverter, 6-main pipeline, 7-auxiliary pipeline, 8-connecting pipe outlet, 9-pipeline space, 10-equipment space, 11-installation frame, 12-installation plate, 13-detection pipe outlet, 14-sewage pipe outlet, 15-pipeline through hole. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-5The utility model provides a slow flow device for hydrogen filling equipment, comprising a support frame 1, a main tank body 2 is provided at the lower end of the support frame 1, a sub-tank body 3 is provided at the upper end of the support frame 1 and at the front and rear sides of the main tank body 2, a pump 4 is provided on the upper surface of the main tank body 2 and between the two sub-tanks 3, a diverter 5 is provided on the right side of the upper surface of the main tank body 2 and at a position corresponding to the pump 4, a power input end of the diverter 5 is connected to the power output end of the pump 4, a main pipeline 6 is connected between the right side end of the diverter 5 and the right lower end of the main tank body 2, a sub-pipeline 7 is connected between the front and rear sides of the diverter 5 and the two sub-tanks 3, and a connecting pipe port 8 is connected to the left side of the upper surface of the main tank body 2.

[0018] When in use, the main tank body 2 and the auxiliary tank body 3 are supported and protected by the support frame 1, and slow-flow liquid is input into the interior of the main tank body 2, and the high-pressure hydrogen gas flow during inflation is circulated to the interior of the main tank body 2 through the connecting pipe port 8. At this time, the internal air pressure of the main tank body 2 increases. When the air pressure inside the main tank body 2 is high, the pump 4 is started, and the slow-flow liquid inside the main tank body 2 is input into the interior of the diverter 5 through the main pipeline 6. The slow-flow liquid inside the main tank body 2 is input into the interior of the auxiliary tank body 3 through the auxiliary pipeline 7 through the diverter 5, thereby reducing the air pressure inside the main tank body 2. By setting two auxiliary tank bodies 3, the storage and circulation volume of the slow-flow liquid are increased, and the hydrogen pressure during inflation is slowed down.

[0019] The left side end of the main tank body 2 and the left side ends of the two auxiliary tank bodies 3 are both against the left side of the supporting frame 1, and a pipeline space 9 is provided on the right side of the main tank body 2, and the main pipeline 6 is arranged inside the pipeline space 9. An equipment space 10 is provided between the upper surface of the main tank body 2 and the two auxiliary tank bodies 3, and the diverter 5 and the auxiliary pipeline 7 are arranged inside the equipment space 10. By providing the pipeline space 9 on the right side of the main tank body 2, space is reserved for the installation of the main pipeline 6, and by providing the equipment space 10 on the upper right side of the main tank body 2, space is reserved for the installation of the diverter 5 and the auxiliary pipeline 7.

[0020] A mounting frame 11 is provided at a position corresponding to the side wall of the support frame 1 and the main tank body 2 and the auxiliary tank body 3, and a mounting plate 12 is provided inside the mounting frame 11. The main tank body 2 and the auxiliary tank body 3 are fixedly connected to the support frame 1 through the mounting plate 12. By arranging the mounting frame 11 inside the support frame 1 and arranging the mounting plate 12 inside the mounting frame 11, the main tank body 2 and the auxiliary tank body 3 are supported by the mounting plate 12 and fixedly installed to the inside of the support frame 1.

[0021] A detection pipe opening 13 is provided on the upper wall of the main tank body 2 and on the left side of the connecting pipe opening 8, and a sewage discharge pipe opening 14 is connected to the middle position of the lower wall of the main tank body 2. By providing the detection pipe opening 13 on the left side of the main tank body 2, the air pressure and other conditions inside the main tank body 2 are detected through the detection pipe opening 13, and the sewage discharge pipe opening 14 is provided at the lower end of the main tank body 2, and the slow-flowing liquid inside the main tank body 2 is discharged and replaced through the sewage discharge pipe opening 14.

[0022] A pipeline through hole 15 is provided at the lower end of the mounting plate 12 and on the front and rear sides of the main tank body 2. By providing the pipeline through hole 15 at the lower end of the mounting plate 12, a pipeline installation space is left at the lower end of the mounting plate 12, while reducing the overall equipment quality.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slow flow device for hydrogen filling equipment, characterized in that: The invention comprises a support frame (1), wherein a main tank body (2) is provided at the lower end of the support frame (1), a sub-tank body (3) is provided at the upper end of the support frame (1) and at the front and rear sides of the main tank body (2), a pump (4) is provided on the upper surface of the main tank body (2) and between the two sub-tanks (3), a diverter (5) is provided on the right side of the upper surface of the main tank body (2) and at a position corresponding to the pump (4), a power input end of the diverter (5) is connected to the power output end of the pump (4), a main pipeline (6) is connected between the right side end of the diverter (5) and the lower end of the right side of the main tank body (2), a sub-pipeline (7) is connected between the front and rear sides of the diverter (5) and the two sub-tanks (3), and a connecting pipe opening (8) is connected on the left side of the upper surface of the main tank body (2).

2. A hydrogen filling equipment slow flow device according to claim 1, characterized in that: The left side end of the main tank body (2) and the left side ends of the two auxiliary tank bodies (3) are both against the left side of the support frame (1); a pipeline space (9) is provided on the right side of the main tank body (2); the main pipeline (6) is arranged inside the pipeline space (9); an equipment space (10) is provided between the upper surface of the main tank body (2) and the two auxiliary tank bodies (3); the diverter (5) and the auxiliary pipeline (7) are arranged inside the equipment space (10).

3. A hydrogen filling equipment slow flow device according to claim 1, characterized in that: A mounting frame (11) is provided at a position corresponding to the side wall of the support frame (1) and the main tank body (2) and the auxiliary tank body (3); a mounting plate (12) is provided inside the mounting frame (11); and the main tank body (2) and the auxiliary tank body (3) are fixedly connected to the support frame (1) via the mounting plate (12).

4. A hydrogen filling equipment slow flow device according to claim 1, characterized in that: A detection pipe opening (13) is provided on the upper wall of the main tank body (2) and on the left side of the connecting pipe opening (8), and a sewage discharge pipe opening (14) is connected to the middle position of the lower wall of the main tank body (2).

5. A hydrogen filling equipment slow flow device according to claim 3, characterized in that: A pipeline through hole (15) is provided at the lower end of the mounting plate (12) and on the front and rear sides of the main tank body (2).

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