Divided-flow type hydrogen filling device
By designing a split-flow hydrogen filling device with multiple gas delivery needles and dispensing bottles, the problems of low filling efficiency and gas pollution were solved, achieving an efficient and safe hydrogen filling process.
Patent Information
- Application Number
- CN202520174192.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-26
AI Technical Summary
Existing gas filling devices typically have one filling tube, which means that one vacuum container must be filled before the next one can be filled, resulting in low filling efficiency. Furthermore, other gases inside the filling tube can easily mix with hydrogen, affecting the accuracy of the experiment.
Design a split-flow hydrogen filling device that uses multiple gas delivery needles and dispensing bottles. Hydrogen is filled by matching the multiple gas delivery needles with the dispensing bottles one by one. A gas collection pipe is set between the filling pipe and the dispensing bottle to replace the gas and ensure the quality of the hydrogen.
It improves hydrogen filling efficiency, ensures hydrogen quality, avoids contamination of hydrogen by other gases in the filling pipe, and enhances the safety and accuracy of the filling process.
Smart Images
Figure CN223726065U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydrogen filling experiment technical field, concretely is a shunt type hydrogen filling device. BACKGROUND
[0002] Hydrogen is a kind of element formed by hydrogen element, at normal temperature and pressure, hydrogen is a kind of colorless, odorless, odorless, non-toxic gas, extremely flammable and difficult to dissolve in water.Hydrogen has wide application in industry, including as fuel, reducing agent in metallurgical industry, raw material for synthesis of ammonia and methanol etc., hydrogen filling refers to the process that hydrogen is filled into specific container or equipment, the process needs to strictly control environment and operating procedure, to ensure safety and accuracy.
[0003] Methane reforming hydrogen process, by utilizing the methane in the BOG (torch gas) tail gas discharged by factory, hydrogen is prepared by reforming, in the process, the collected hydrogen is first collected in storage tank, and then hydrogen is filled into vacuum container by filling device.Currently, the generated hydrogen is filled into vacuum container by filling device, although hydrogen filling can be completed, but the following problems exist:
[0004] (1) the filling device is generally provided with a filling pipe, so that after filling one vacuum container, the next vacuum container can be filled, resulting in low filling efficiency;
[0005] (2) when hydrogen is filled, other gases exist in the filling pipe, which is easy to mix with hydrogen and cause pollution, affecting the accuracy of experiment. INVENTION CONTENTS
[0006] The utility model aims at providing a shunt type hydrogen filling device to solve the problem of low filling efficiency of the filling device in the background art, which is generally provided with a filling pipe, so that after filling one vacuum container, the next vacuum container can be filled.
[0007] To achieve the above object, the utility model provides the following technical scheme:
[0008] A shunt type hydrogen filling device, comprising a hydrogen tank, a filling pipe and a split bottle;A gas delivery needle is arranged on the filling pipe;The split bottle is located below the gas delivery needle, and a first rubber sealing sheet is arranged on the top of the split bottle;The gas delivery needle penetrates the first rubber sealing sheet downward and extends into the split bottle;
[0009] The gas delivery needle and the split bottle are both multiple;Multiple gas delivery needles are distributed at equal intervals along the axial direction of the filling pipe;Multiple split bottles correspond to multiple gas delivery needles one by one;One end of the filling pipe is connected with the hydrogen tank, and the other end of the filling pipe is tightly clamped with a plug.
[0010] Further limited, the shunt type hydrogen filling device further comprises a device frame body, the top of the device frame body is provided with a gas cylinder, and the output end of the gas cylinder is provided with a clamp block; the clamp block is tightly connected with the inflation pipe, and the gas cylinder drives the clamp block and the inflation pipe to move up and down in the vertical direction.
[0011] Further limited, the clamp block is internally provided with an arc-shaped open slot, and the arc-shaped open slot is tightly connected with the inflation pipe.
[0012] Further limited, the inflation pipe is provided with a control valve.
[0013] Further limited, the shunt type hydrogen filling device further comprises a gas collecting pipe arranged between the inflation pipe and the sub-packaging bottle; the gas collecting pipe is provided with a plurality of gas collecting connectors; the positions of the plurality of gas collecting connectors correspond to the positions of the plurality of gas delivery needles one by one; the gas delivery needles correspondingly extend into the gas collecting pipe through the gas collecting connectors downward.
[0014] Further limited, the gas collecting pipe is further provided with a plurality of first rubber sealing pieces; the positions of the plurality of first rubber sealing pieces correspond to the positions of the plurality of gas collecting connectors one by one; the gas delivery needles correspondingly extend into the gas collecting pipe through the gas collecting connectors and the first rubber sealing pieces downward.
[0015] One end of the gas collecting pipe is closed, and the other end of the gas collecting pipe is communicated with a gas collecting tank.
[0016] A small air pump is further arranged between the gas collecting pipe and the gas collecting tank.
[0017] The shunt type hydrogen filling device further comprises a bearing table; the device frame body, the hydrogen tank, the sub-packaging bottle, the small air pump and the gas collecting tank are arranged on the bearing table.
[0018] Both sides of the bottom end of the gas collecting pipe are provided with support frames, and the bottom end of the support frame is slidably connected with the bearing table through a guide rod.
[0019] Compared with the prior art, the shunt type hydrogen filling device has the following beneficial effects:
[0020] 1. The utility model discloses a hydrogen tank, gas filling pipe and split charging bottle are set up, the gas filling pipe is provided with the gas delivery needle head, the split charging bottle is located below the gas delivery needle head, the top of split charging bottle is provided with the first rubber sealing sheet, the gas delivery needle head and split charging bottle are all multiple, multiple split charging bottles correspond with multiple gas delivery needle heads, one end of the gas filling pipe is connected with the hydrogen tank, and the other end of the gas filling pipe is tightly clamped with the plug, through the multiple split charging bottles below the gas filling pipe, the split charging connector is aligned with the gas delivery needle head, the gas delivery needle head is inserted into the split charging connector at the top of corresponding split charging bottle and the first rubber sealing sheet is pierced, because the split charging bottle is in the negative pressure vacuum state, the hydrogen in the hydrogen tank is filled into the split charging bottle through the gas filling pipe, because the gas delivery needle head and split charging bottle are correspondingly provided with multiple groups, multiple groups can simultaneously carry out the hydrogen shunting filling, thereby improving the hydrogen filling efficiency.
[0021] 2. The utility model discloses that the top of device frame body is all installed with the pneumatic cylinder, and the output of pneumatic cylinder is installed with the clamping block, the clamping block is tightly clamped with the gas filling pipe, and the clamping block and gas filling pipe are moved up and down in the vertical direction through the pneumatic cylinder, thereby realizing that the gas delivery needle head is pulled out and inserts into the second rubber sealing sheet at the top of gas collecting pipe, or realizes that the gas delivery needle head is pulled out, simple structure, convenient operation.
[0022] 3. The utility model discloses still include the gas collecting pipe between the gas filling pipe and split charging bottle, be provided with multiple gas collecting connectors on the gas collecting pipe, the setting position of multiple gas collecting connectors correspond with the setting position of multiple gas delivery needle heads, and the gas delivery needle head is correspondingly inserted into the gas collecting pipe through the gas collecting connector. Through the gas collecting pipe, other gas (impurity gas) in the gas filling pipe is replaced, to avoid other gas into the split charging bottle, and repeatedly multiple times, ensure that the gas in the gas filling pipe is replaced clean by hydrogen, improve the hydrogen quality in the filling process.
[0023] 4. The bottom of gas collecting pipe both sides is provided with the support frame, and the bottom of support frame is slidably connected with the bearing table through the guide rod, convenient to remove the gas collecting pipe after replacement, improve operability and convenience. ACCURACY OF DRAWINGS
[0024] Figure 1 It is the main view structural schematic diagram of the utility model;
[0025] Figure 2 It is the main view structural schematic diagram of the utility model; Figure 1 It is the enlarged structure schematic diagram of A place in the utility model;
[0026] Figure 3 It is the gas collecting pipe overhead enlarged structure schematic diagram of the utility model;
[0027] Figure 4 It is the hydrogen shunt state structure schematic diagram of the utility model;
[0028] Figure 5 The side view enlarged structure diagram of the clamping block of the utility model.
[0029] In the figure,
[0030] 1, bearing table; 2, hydrogen tank; 3, inflation pipe; 4, device frame body; 5, air cylinder; 6, clamping block; 601, arc-shaped opening groove; 7, gas collecting pipe; 8, sub-packaging bottle; 9, small air pump; 10, gas collecting tank; 11, sub-packaging joint; 12, first rubber sealing sheet; 13, support frame; 14, control valve; 15, gas delivery needle; 16, gas collecting joint; 17, second rubber sealing sheet; 18, guide rod; 19, plug. DETAILED DESCRIPTION
[0031] 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 below in combination with the drawings in the embodiments of the utility model. 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 making creative efforts fall within the scope of protection of the utility model.
[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the 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 making creative efforts fall within the scope of protection of the utility model.
[0033] Embodiment 1
[0034] Referring to Figure 1 , the embodiment provides a shunt type hydrogen filling device, which comprises a hydrogen tank 2, an inflation pipe 3 and a sub-packaging bottle 8; the inflation pipe 3 is provided with a gas delivery needle 15; the sub-packaging bottle 8 is located below the gas delivery needle 15, and the top of the sub-packaging bottle 8 is provided with a first rubber sealing sheet 12; the gas delivery needle 15 penetrates into the sub-packaging bottle 8 through the first rubber sealing sheet 12 downwards.
[0035] Referring to Figure 4 , the gas delivery needle 15 and the sub-packaging bottle 8 are both multiple; the multiple gas delivery needles 15 are distributed at equal intervals along the axial direction of the inflation pipe 3; the multiple sub-packaging bottles 8 correspond to the multiple gas delivery needles 15 one by one; one end of the inflation pipe 3 is connected with the hydrogen tank 2, and the other end of the inflation pipe 3 is tightly clamped with a plug 19.
[0036] The shunt type hydrogen filling device further comprises a device frame body 4, the top of the device frame body 4 is provided with a pneumatic cylinder 5, and the output end of the pneumatic cylinder 5 is provided with a clamping block 6; the clamping block 6 is tightly clamped with the filling pipe 3, and the pneumatic cylinder 5 drives the clamping block 6 and the filling pipe 3 to move up and down in the vertical direction.
[0037] Referring to Figure 5 In the embodiment, the clamping block 6 is internally provided with an arc-shaped open groove 601, and the arc-shaped open groove 601 is tightly clamped with the filling pipe 3.
[0038] Preferably, a control valve 14 is arranged on the filling pipe 3. The control valve 14 controls the opening and closing of the filling pipe 3.
[0039] In the embodiment, the hydrogen is collected in the hydrogen tank 2, and the filling is performed by first opening the control valve 14, then controlling the pneumatic cylinder 5 to drive the clamping block 6 to move downward, so that the gas delivery needle 15 is inserted into the corresponding sub-pack joint 11 and pierces the first rubber sealing piece 12, and the gas delivery needle 15 extends into the sub-pack bottle 8. Since the sub-pack bottle 8 is in a negative pressure vacuum state, the hydrogen in the hydrogen tank 2 is filled into the corresponding sub-pack bottle 8 through the filling pipe 3, the gas delivery needle 15 and the sub-pack joint 11. Since the gas delivery needle 15 and the sub-pack bottle 8 are correspondingly provided with multiple groups, multiple groups can be simultaneously used for shunt filling of hydrogen, thereby improving the filling efficiency. After the filling is completed, the pneumatic cylinder 5 drives the clamping block 6 to move upward to pull out the gas delivery needle 15 from the sub-pack joint 11. Since the gas delivery needle 15 is thin, after the gas delivery needle 15 is pulled out, the first rubber sealing piece 12 is automatically closed, so that the sub-pack bottle 8 remains in a sealed state, and the hydrogen filled in the sub-pack bottle 8 cannot leak out, thereby improving the safety of the filling process.
[0040] Embodiment 2
[0041] Referring to Figure 1 , Figure 2 and Figure 3 The shunt type hydrogen filling device provided in the embodiment further comprises a gas collecting pipe 7 arranged between the filling pipe 3 and the sub-pack bottle 8; a plurality of gas collecting joints 16 are arranged on the gas collecting pipe 7; the positions of the plurality of gas collecting joints 16 correspond to the positions of the plurality of gas delivery needles 15 one by one; and the gas delivery needle 15 correspondingly extends downward through the gas collecting joint 16 and extends into the gas collecting pipe 7.
[0042] Referring to Figure 2 , a plurality of first rubber sealing pieces 12 are further arranged on the gas collecting pipe 7; the positions of the plurality of first rubber sealing pieces 12 correspond to the positions of the plurality of gas collecting joints 16 one by one; and the gas delivery needle 15 correspondingly extends downward through the gas collecting joint 16 and the first rubber sealing piece 12 and extends into the gas collecting pipe 7.
[0043] In the embodiment, one end of the gas collecting pipe 7 is closed, and the other end of the gas collecting pipe 7 is communicated with a gas collecting tank 10.
[0044] In this embodiment, a small air pump 9 is arranged between the gas collecting pipe 7 and the gas collecting tank 10.
[0045] The shunt type hydrogen filling device provided by the embodiment further comprises a bearing table 1; the device frame body 4, the hydrogen tank 2, the sub-packaging bottle 8, the small air pump 9 and the gas collecting tank 10 are all arranged on the bearing table 1. The integration of the equipment is improved through the bearing table 1, the operation between the devices is facilitated, and the work efficiency is improved.
[0046] Referring to Figure 2 and Figure 3 , the two sides of the bottom end of the gas collecting pipe 7 are provided with support frames 13, and the bottom end of the support frame 13 is slidably connected with the bearing table 1 through a guide rod 18.
[0047] In this embodiment, before filling hydrogen, the air cylinder 5 is started first, the air cylinder 5 drives the clamping block 6 to move downward, so that the filling pipe 3 drives the gas delivery needle 15 to move downward, the gas delivery needle 15 pierces the gas collecting connector 16 and is inserted into the second rubber sealing piece 17 at the top end of the gas collecting pipe 7, the small air pump 9 is started, so that the hydrogen in the hydrogen tank 2 is filled into the filling pipe 3 and enters the gas collecting pipe 7, so that the hydrogen replaces other gases in the filling pipe 3, and the replacement is repeated for several times to ensure that the gases in the filling pipe 3 are replaced by hydrogen, and the replaced gases are collected by the gas collecting tank 10, so that the filling of hydrogen can be prevented from being polluted and the quality of the filled hydrogen is improved; then, the air cylinder 5 drives the clamping block 6 to move upward to pull out the gas delivery needle 15 from the second rubber sealing piece 17, and drives the support frame 13 to slide along the guide rod 18 to translate the gas collecting pipe 7 to one side; then the air cylinder 5 is controlled to drive the clamping block 6 to move downward, so that the gas delivery needle 15 is inserted into the sub-packaging connector 11 at the top end of the corresponding sub-packaging bottle 8 and pierces the first rubber sealing piece 12, so as to realize the filling of hydrogen. The embodiment can effectively prevent other gases in the filling pipe 3 from polluting the hydrogen during the filling of hydrogen, and ensure the quality of the hydrogen.
[0048] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.
Claims
1. A shunt hydrogen filling device, characterized by, It includes a hydrogen tank (2), a gas filling pipe (3) and a sub-packaging bottle (8); the gas filling pipe (3) is provided with a gas delivery needle (15); the sub-packaging bottle (8) is located below the gas delivery needle (15), and the top of the sub-packaging bottle (8) is provided with a first rubber sealing sheet (12); the gas delivery needle (15) penetrates into the sub-packaging bottle (8) through the first rubber sealing sheet (12) downwards; The gas delivery needle (15) and the sub-packaging bottle (8) are both multiple; multiple gas delivery needles (15) are distributed at equal intervals along the axial direction of the gas filling pipe (3); multiple sub-packaging bottles (8) correspond to multiple gas delivery needles (15) one by one; one end of the gas filling pipe (3) is connected with the hydrogen tank (2), and the other end of the gas filling pipe (3) is tightly clamped with a plug (19).
2. The split-flow hydrogen filling device according to claim 1, characterized in that The shunt type hydrogen filling device further comprises a device frame body (4), the top of the device frame body (4) is installed with a gas cylinder (5), and the output end of the gas cylinder (5) is installed with a clamping block (6); the clamping block (6) is tightly clamped with the gas filling pipe (3), and the gas cylinder (5) drives the clamping block (6) and the gas filling pipe (3) to move up and down in the vertical direction.
3. The split-flow hydrogen filling device according to claim 2, characterized in that The inside of the clamping block (6) is provided with an arc-shaped opening groove (601), and the arc-shaped opening groove (601) is tightly clamped with the gas filling pipe (3).
4. The split-flow hydrogen charging device according to claim 3, characterized by The gas filling pipe (3) is installed with a control valve (14).
5. The split-flow hydrogen charging device according to claim 4, characterized by The shunt type hydrogen filling device further comprises a gas collecting pipe (7) arranged between the gas filling pipe (3) and the sub-packaging bottle (8); the gas collecting pipe (7) is provided with multiple gas collecting connectors (16); the positions of the multiple gas collecting connectors (16) correspond to the positions of the multiple gas delivery needles (15) one by one; the gas delivery needle (15) penetrates into the gas collecting pipe (7) through the gas collecting connector (16) downwards.
6. The split-flow hydrogen charging device according to claim 5, characterized by The gas collecting pipe (7) is further provided with multiple first rubber sealing sheets (12); the positions of the multiple first rubber sealing sheets (12) correspond to the positions of the multiple gas collecting connectors (16) one by one; the gas delivery needle (15) penetrates into the gas collecting pipe (7) through the gas collecting connector (16) and the first rubber sealing sheet (12) downwards.
7. The split-flow hydrogen charging device according to claim 6, characterized by One end of the gas collecting pipe (7) is closed, and the other end of the gas collecting pipe (7) is communicated with a gas collecting tank (10).
8. The split-flow hydrogen charging device according to claim 7, characterized by A small air pump (9) is further arranged between the gas collecting pipe (7) and the gas collecting tank (10).
9. The split-flow hydrogen charging device according to claim 8, characterized by The shunt type hydrogen filling device further comprises a bearing table (1); the device frame body (4), the hydrogen tank (2), the sub-packaging bottle (8), the small air pump (9) and the gas collecting tank (10) are all arranged on the bearing table (1).
10. The split-flow hydrogen charging device according to claim 9, characterized by Both sides of the bottom end of the gas collecting pipe (7) are provided with support frames (13), and the bottom end of the support frame (13) is slidably connected with the bearing table (1) through a guide rod (18).