CN211716235U - Hydrogen grading filling device - Google Patents
Hydrogen grading filling device Download PDFInfo
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- CN211716235U CN211716235U CN202020083009.4U CN202020083009U CN211716235U CN 211716235 U CN211716235 U CN 211716235U CN 202020083009 U CN202020083009 U CN 202020083009U CN 211716235 U CN211716235 U CN 211716235U
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- hydrogenation machine
- air inlet
- filling device
- hydrogenation
- hydrogen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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Abstract
The utility model discloses a hydrogen gas grading filling device, which aims to solve the technical problem that the existing hydrogenation machine pipeline structure and the control system are complex. The utility model discloses an admission line, admission line are equipped with first gas accuse valve with the junction of hydrogenation machine, and the front end of admission line divide into three air inlet branch road, connects three hydrogen storage tanks of group respectively, is equipped with second gas accuse valve on the three air inlet branch road, and the solenoid valve of first gas accuse valve passes through the cable and corresponds with the hydrogenation machine controller to be connected, and the solenoid valve of second gas accuse valve passes through the cable and corresponds with the PLC controller to be connected. The utility model has the advantages of: the construction work amount of the hydrogenation station is reduced, the construction and equipment installation cost is reduced, and the construction period is shortened; the internal pipeline of the hydrogenation machine is simplified, the structural design of the hydrogenation machine is more flexible, the cost of the whole hydrogenation machine is effectively reduced, and the use reliability is improved; and the centralized control is adopted, so that the IO expansibility is strong.
Description
Technical Field
The utility model relates to a hydrogenation machine technical field, concretely relates to hydrogen is filling device in grades.
Background
In order to improve the utilization rate of a hydrogen storage tank, a conventional hydrogenation station generally adopts a mode of high-pressure, medium-pressure and low-pressure grouped hydrogen storage and sequential filling, wherein a hydrogenation machine firstly takes gas from the low-pressure hydrogen storage tank, the vehicle is filled by utilizing the pressure difference between the hydrogen storage tank and the vehicle, once the pressure difference between the hydrogen storage tank and the vehicle reaches a set value, a control system in the hydrogenation machine switches a gas source of the hydrogenation machine to the medium-pressure hydrogen storage tank, the filling is carried out by utilizing the pressure difference between the medium-pressure storage tank and the vehicle, and the high pressure is switched to the high pressure until the pressure difference is full after the.
The three-stage hydrogen storage filling system can effectively increase the utilization efficiency of the hydrogen storage system, can also improve the hydrogenation speed, is adopted by most of the prior hydrogenation stations, has better use effect, but needs to respectively lead three pipelines from high, medium and low pressure hydrogen storage tanks to a hydrogenation machine, and the inside of the hydrogenation machine needs to be correspondingly provided with three sets of pipe valves such as electromagnetic valves, pneumatic valves, one-way valves, filters and the like. Meanwhile, hydrogen needs to be precooled when the hydrogen is rapidly filled, the structure of the hydrogenation machine with a three-wire air inlet structure is complex, the internal space is limited, and a heat exchanger for cooling is difficult to arrange in the hydrogenation machine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydrogen gas graded filling device for solving the technical problem that the pipeline structure of the existing hydrogenation machine is complex.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the design is a hydrogen grading filling device, which comprises an air inlet pipeline, wherein a first air control valve is arranged at the joint of the air inlet pipeline and a hydrogenation machine, the front end of the air inlet pipeline is divided into three air inlet branches which are respectively connected with three hydrogen storage tanks, a second air control valve is arranged on each air inlet branch, an electromagnetic valve of the first air control valve is correspondingly connected with a hydrogenation machine controller through a cable, and an electromagnetic valve of the second air control valve is correspondingly connected with a PLC (programmable logic controller) through a cable.
Further, a heat exchanger is installed on the air inlet pipeline.
Further, the heat exchanger is fixed inside the hydrogenation machine.
Further, the PLC controller is in communication connection with the hydrogenation machine through an MODBUS RTU protocol.
Furthermore, a flow sensor and a pressure sensor are arranged on the air inlet pipeline.
Further, the PLC controller is a CPU 1511-1PN, and the hydrogenation machine is CSJHD 11-NC-35.
Further, the pneumatic control valve is 21V9M071-YHNC, and is controlled to be opened or closed by a VALVOLA SOV 33 SOS NC type electromagnetic valve.
Compared with the prior art, the utility model discloses a main beneficial technological effect lies in:
1. the construction work amount of the hydrogenation station is reduced, the construction and equipment installation cost is reduced, and the construction period is shortened; the internal pipeline of the hydrogenation machine is simplified, the structural design of the hydrogenation machine is more flexible, the cost of the whole hydrogenation machine is effectively reduced, and the use reliability is improved.
2. And the centralized control is adopted, so that the IO expansibility is strong.
Drawings
Fig. 1 is the structure schematic diagram of the hydrogen grading filling device of the utility model.
Fig. 2 is a schematic structural diagram of a hydrogen filling apparatus in the prior art.
In the figure, 1 is a first pneumatic control valve, 2 is a second pneumatic control valve, 3 is a heat exchanger, 4 is a hydrogen conveying pipeline, and 5 is a hydrogen storage tank.
Detailed Description
The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.
The programs referred to or relied on in the following embodiments are all conventional programs or simple programs in the art, and those skilled in the art can make routine selection or adaptation according to specific application scenarios.
The unit modules, components, structures, mechanisms, sensors, and other devices referred to in the following examples are all conventional commercially available products unless otherwise specified.
Example 1: hydrogen grading filling device
Referring to fig. 1, a first pneumatic control valve 1 is arranged at the joint of the hydrogenation machine and the hydrogen conveying pipeline 4, the hydrogen conveying pipeline 4 is firstly connected to a heat exchanger (CSHRQ-35) after being led out from the hydrogenation machine, and the heat exchanger can be installed at an empty ground position where a pipeline passes through or can be installed inside the hydrogenation machine, so that the integration level is improved. Then the hydrogen conveying pipeline 4 is led out by the heat exchanger, the tail part of the pipeline is divided into three branches which are respectively connected with three groups of hydrogen storage tanks 5, a second pneumatic control valve 2 is arranged at the joint of the hydrogen conveying pipeline 4 and the hydrogen storage tanks 5, the hydrogen storage tanks 5 are divided into three groups of high pressure, medium pressure and low pressure, the second pneumatic control valve 2 is arranged at the outlet of each group of hydrogen storage tanks 5, the electromagnetic valve of the pneumatic control valve is connected with the PLC control system of the hydrogenation station through an underground line, the first pneumatic control valve 1 and the second pneumatic control valve 2 are both 21V9M071-YHNC type pneumatic control valves, and the opening or closing of the pneumatic control valves is controlled by using VALVOLA SOV 33 SOS NC type electromagnetic valves as switches.
The control system of the hydrogenation machine also comprises a flow sensor (RHM 04L/RHE 21) and a pressure sensor (DG 2104-A-70-D), wherein the two groups of sensors are arranged on a main pipeline of the hydrogen transmission pipeline 4 and are positioned inside the hydrogenation machine, a PLC (CPU 1511-1 PN) is communicated with the hydrogenation machine through an MODBUS protocol, the sensor of the hydrogenation machine detects the flow and pressure information of the pipeline, controls the opening and closing of an electromagnetic valve of the first pneumatic control valve 1 and then transmits the flow and pressure information to the PLC through a communication line, and the controller outputs an electromagnetic valve control signal of the second pneumatic control valve 2 according to the starting and closing signals and the pressure information of the hydrogenation machine. Specifically, when the vehicle starts to fill hydrogen, a starting button of the hydrogenation machine is pressed, the hydrogenation machine remotely transmits a hydrogenation starting signal, a hydrogen flow rate (RHM 04L/RHE 21), a hydrogenation pressure (DG 2104-A-70-D) and the like to a PLC control system of a hydrogenation station through a communication protocol, and the PLC controls an air control valve of a low-pressure hydrogen storage tank to be opened; when the pressure difference and the flow rate between the low-pressure hydrogen storage tank and the hydrogenation machine reach fixed values, the PLC automatically closes the low-pressure pneumatic control valve and simultaneously opens the medium-pressure hydrogen storage tank pneumatic control valve for filling; when the pressure difference between the medium pressure of the hydrogen storage tank and the hydrogenation pressure and the flow velocity value reach set values, the PLC automatically closes the medium-pressure pneumatic control valve, simultaneously opens the pneumatic control valve of the high-pressure hydrogen storage tank, closes the high-pressure pneumatic control valve after receiving a stop signal of the hydrogenation machine, and completes the hydrogen filling.
Compared with the existing hydrogenation machine, referring to fig. 2, three-line air inlet is changed into single-line air inlet, three sets of pipe valve elements such as electromagnetic valves, pneumatic valves, one-way valves and filters are required to be arranged in the traditional hydrogenation machine corresponding to three sets of hydrogen storage tanks, and meanwhile, hydrogen is required to be precooled when the hydrogen is rapidly filled, the structure of the hydrogenation machine corresponding to the three-line air inlet structure is complex, and the traditional hydrogenation station has the disadvantages of large quantity of field construction pipelines, high construction difficulty and high material consumption; the internal pipe valve of the hydrogenation machine is complex and difficult to assemble and maintain; the number of joints is large, leakage hidden danger exists, and the equipment failure rate is high; the hydrogenation machine has large volume, large occupied area on site and difficult installation.
In the embodiment, only one path of air inlet pipeline and corresponding pipe valve elements such as an electromagnetic valve, a pneumatic control valve, a one-way valve, a filter and the like are reserved, the electric control of the hydrogenation machine does not relate to high-medium-low pressure switching control, and only the opening and closing of a filling valve are controlled, so that the pipeline structure and a control system are simplified. The high, medium and low pressure hydrogen storage tanks are optimized and improved to the outlet pipeline of the hydrogenation machine, a second air control valve 2 is additionally arranged and is uniformly controlled by a station control system, the rear ends of three air control valves are converged into one path in a storage tank area and then connected to the air inlet pipeline of the hydrogenation machine, only one high pressure hydrogen pipeline is arranged in a site construction pipe ditch, the internal structure of the hydrogenation machine is greatly simplified, and the site construction engineering quantity is reduced.
The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.
Claims (7)
1. The utility model provides a hierarchical filling device of hydrogen which characterized in that: the hydrogen storage tank is characterized by comprising an air inlet pipeline, a first air control valve is arranged at the joint of the air inlet pipeline and the hydrogenation machine, the front end of the air inlet pipeline is divided into three air inlet branches, three groups of hydrogen storage tanks are connected respectively, second air control valves are arranged on the three air inlet branches, electromagnetic valves of the first air control valves are correspondingly connected with the hydrogenation machine controller through cables, and electromagnetic valves of the second air control valves are correspondingly connected with the PLC controller through cables.
2. The staged filling device of hydrogen gas as defined in claim 1, wherein: and the air inlet pipeline is provided with a heat exchanger.
3. The staged filling device of hydrogen gas as defined in claim 2, wherein: the heat exchanger is fixed inside the hydrogenation machine.
4. The staged filling device of hydrogen gas as defined in claim 1, wherein: the PLC is in communication connection with the hydrogenation machine through a MODBUSRTU protocol.
5. The staged filling device of hydrogen gas as defined in claim 1, wherein: and the air inlet pipeline is provided with a flow sensor and a pressure sensor.
6. The staged filling device of hydrogen gas as defined in claim 1, wherein: the PLC controller is a CPU 1511-1PN, and the hydrogenation machine is CSJHD 11-NC-35.
7. The staged filling device of hydrogen gas as defined in claim 1, wherein: the pneumatic control valve is 21V9M071-YHNC, and is controlled to be opened or closed by a VALVOLA SOV 33 SOS NC type electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083009.4U CN211716235U (en) | 2020-01-15 | 2020-01-15 | Hydrogen grading filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083009.4U CN211716235U (en) | 2020-01-15 | 2020-01-15 | Hydrogen grading filling device |
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| CN211716235U true CN211716235U (en) | 2020-10-20 |
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| CN202020083009.4U Active CN211716235U (en) | 2020-01-15 | 2020-01-15 | Hydrogen grading filling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251304A (en) * | 2021-04-29 | 2021-08-13 | 上海氢枫能源技术有限公司 | Hydrogenation system and method for fuel cell vehicle |
| CN114046442A (en) * | 2021-08-02 | 2022-02-15 | 有研工程技术研究院有限公司 | Multi-platform compression type hydrogen storage device and manufacturing method thereof |
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2020
- 2020-01-15 CN CN202020083009.4U patent/CN211716235U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251304A (en) * | 2021-04-29 | 2021-08-13 | 上海氢枫能源技术有限公司 | Hydrogenation system and method for fuel cell vehicle |
| CN113251304B (en) * | 2021-04-29 | 2022-06-24 | 上海氢枫能源技术有限公司 | Hydrogenation system and method for fuel cell vehicle |
| CN114046442A (en) * | 2021-08-02 | 2022-02-15 | 有研工程技术研究院有限公司 | Multi-platform compression type hydrogen storage device and manufacturing method thereof |
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