High-effect hydrogen injection device with safety interlocking and use method thereof

By using solenoid butterfly valves, sensors and mounting frames in the high-efficiency hydrogen injection device, a safety interlocking mechanism of real-time monitoring and rapid response is achieved, solving the problems of insufficient safety and inconvenient disassembly and assembly of existing devices, and improving the safety and convenience of use of the device.

CN119532636APending Publication Date: 2025-02-28SICHUAN HYDROGEN FLAG HYDROGEN ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411618260.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-02-28

AI Technical Summary

Technical Problem

The existing high-efficiency hydrogen injection device lacks a complete safety interlocking mechanism, and cannot make comprehensive judgments and quick responses to various potential hazards. At the same time, a large number of bolts need to be twisted during disassembly and assembly, which is very inconvenient.

Method used

A high-efficiency hydrogen injection device with safety interlock was designed, using solenoid butterfly valve, flow sensor, pressure sensor, temperature sensor and mounting frame and other components to achieve real-time monitoring and rapid response through control modules and touch panels, and simplify the disassembly and assembly process through sleeves and screw mechanisms.

Benefits of technology

It improves the safety of the hydrogen injection device, can block the inflow of hydrogen in time, ensures safety in operation, and simplifies the disassembly and assembly and maintenance process of the device, improving the convenience of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a high-effect hydrogen injection device with safety interlocking and a using method thereof, and belongs to the technical field of hydrogen injection devices. Comprising a main body and a mounting mechanism, the main body comprises a connecting pipe, an electromagnetic butterfly valve is mounted at one end of the connecting pipe, a flow sensor is inserted into one side of the upper end of the connecting pipe, a monitoring port of the flow sensor extends into the connecting pipe, a pressure sensor is inserted into the other side of the upper end face of the connecting pipe, and a temperature sensor is arranged at the bottom end in the connecting pipe; the mounting mechanism comprises a pair of mounting frames, the pair of mounting frames are connected with one end of the connecting pipe and one end of the electromagnetic butterfly valve respectively, positioning grooves are formed in the outer sides of the mounting frames, a plurality of sleeves are rotationally connected to the outer edges of the outer sides of the mounting frames, one end of each sleeve is in threaded connection with a screw rod, and one end of each screw rod is rotationally connected with an L-shaped locking block; according to the hydrogen injection device, the safety of the hydrogen injection device can be effectively improved, and the hydrogen injection device has high practical value.
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Description

Technical Field

[0001] The invention relates to the technical field of hydrogen injection devices, and in particular to a high-efficiency hydrogen injection device with a safety interlock and a use method thereof. Background Art

[0002] In today's energy and industrial fields, hydrogen plays a vital role as a highly potential clean energy and important industrial raw material. In terms of energy, hydrogen is regarded as an ideal fuel for future fuel cell vehicles, and is expected to solve the environmental pollution problems caused by traditional fuel vehicles. In the industrial field, hydrogen is widely used in chemical synthesis, such as synthetic ammonia, oil refining, methanol production and other processes. Some existing high-efficiency hydrogen injection devices lack a complete safety interlock mechanism. Some devices only rely on simple pressure monitoring or basic leak detection, and cannot make comprehensive judgments and respond quickly to a variety of potential dangerous situations. In addition, due to the setting of monitoring mechanisms, it is necessary to regularly inspect and maintain its internal sensors. The existing high-efficiency hydrogen injection devices connected by flanges require a large number of bolts to be screwed when disassembling and assembling, which is very inconvenient. Summary of the invention

[0003] The object of the present invention is to provide a high-efficiency hydrogen injection device with safety interlock and a method of using the same to solve the problems raised in the above background technology.

[0004] By adopting the above technical solution, the safety of the high-efficiency hydrogen injection device is improved, and it is convenient for users to disassemble, assemble and maintain it.

[0005] In view of the above problems, the technical solution proposed by the present invention is: A high-efficiency hydrogen injection device with a safety interlock comprises a main body and a mounting mechanism, wherein the main body comprises a connecting pipe, an electromagnetic butterfly valve is installed at one end of the connecting pipe, a flow sensor is inserted at one side of the upper end of the connecting pipe, a monitoring port of the flow sensor extends to the interior of the connecting pipe, a pressure sensor is inserted at the other side of the upper end surface of the connecting pipe, a temperature sensor is provided at the inner bottom end of the connecting pipe, and the mounting mechanism comprises a pair of mounting frames, the pair of mounting frames are respectively connected to one end of the connecting pipe and one end of the electromagnetic butterfly valve, positioning grooves are provided on the outer sides of the mounting frames, a plurality of sleeves are rotatably connected at the outer edges of the outer sides of the mounting frames, one end of the sleeves are threadedly connected to a screw, and one end of the screw is rotatably connected to an L-shaped locking block.

[0006] As a preferred technical solution of the present invention, the mounting frame is fixedly provided with limit rods at both ends of the sleeve, each pair of the limit rods has two opposite surfaces provided with sliding grooves, and each pair of the limit rods has a limit block installed at the upper end.

[0007] As a preferred technical solution of the present invention, both ends of the L-shaped locking block are rotatably connected with sliders, and the sliders are slidably connected to the sliding grooves.

[0008] As a preferred technical solution of the present invention, one end of the sleeve extends to the interior of the mounting frame and is sleeved with a gear.

[0009] As a preferred technical solution of the present invention, one end of the connecting pipe and the electromagnetic butterfly valve are both rotatably sleeved with a swivel, one end of the swivel extends to the interior of the mounting frame and is sleeved with a gear ring, and the gear ring is meshed with the gear.

[0010] As a preferred technical solution of the present invention, a hydrogen sensor is fixedly installed on the upper end of the mounting frame, a touch panel is fixedly installed on one side of the connecting pipe, and an analog-to-digital converter, an alarm, a wireless signal transceiver and a control module are provided inside the touch panel.

[0011] As a preferred technical solution of the present invention, the touch panel is electrically connected to the analog-to-digital converter, the control module, the alarm and the wireless signal transceiver through wires, the input and output ends of the control module are communicatively connected to the input and output ends of the electromagnetic butterfly valve, and the input and output ends of the analog-to-digital converter are communicatively connected to the input and output ends of the flow sensor, the pressure sensor, the temperature sensor and the hydrogen sensor.

[0012] As a preferred technical solution of the present invention, a sealing ring is provided on the inner side of the positioning groove, and the sealing ring is made of rubber.

[0013] In another aspect, the present invention provides a high-efficiency hydrogen injection device with a safety interlock and a method for using the same, comprising the following steps: S1: Equipment installation: plug the output pipe of the hydrogen tank into the mounting frame, plug the input pipe of the hydrogen receiving equipment into another mounting frame, and control the extension and retraction of the screw by rotating the sleeve to move the L-shaped locking block installed at one end of the screw, and fix the mounting frame, the output pipe of the hydrogen tank, and the input pipe of the hydrogen receiving equipment together; S2: Hydrogen injection: The hydrogen in the hydrogen tank is injected into the electromagnetic butterfly valve through the pump and the booster pump, and flows into the hydrogen receiving device through the connecting pipe. The flow sensor, pressure sensor and temperature sensor installed inside the connecting pipe monitor the flow, pressure and temperature of the hydrogen passing through the connecting pipe. In addition, the position of the pipeline connection port is monitored by installing a hydrogen sensor at the upper end of the mounting frame; S3: Monitoring and display: The data signal monitored in S2 is sent to the analog-to-digital converter, which converts the analog signal into a digital signal and displays it on the touch panel. When the numerical range of the flow signal, pressure signal and temperature signal monitored is about to reach the set threshold, the alarm sounds an alarm and sends the alarm information to the terminal and mobile terminal through the wireless network through the wireless signal transceiver for warning. When the numerical range of the flow signal, pressure signal and temperature signal monitored exceeds the threshold, the control module immediately controls the electromagnetic butterfly valve to close to prevent hydrogen from entering the connecting pipe.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the high-efficiency hydrogen injection device with safety interlock and the use method thereof can control the opening and closing of the connecting pipe by installing an electromagnetic butterfly valve. When a danger occurs, the inflow of hydrogen can be timely blocked by closing the electromagnetic butterfly valve. By installing a flow sensor, whose monitoring port extends to the inside of the connecting pipe, the flow of hydrogen inside the connecting pipe can be monitored in real time. By installing a pressure sensor, the pressure of hydrogen inside the connecting pipe can be monitored in real time. By installing a temperature sensor, the temperature of hydrogen inside the connecting pipe can be monitored in real time. By setting a pair of The bracket is installed, and a positioning groove is provided on its outer side to facilitate the rapid docking of the access pipe and the output pipe. Several sleeves are connected by rotation, and a screw is threadedly connected at one end. As the sleeve rotates, the screw can move, so that the L-shaped locking block that is rotatably connected at one end can fix the equipment pipeline flange under the restriction of the limit block, so that the user can connect the connecting pipe and the electromagnetic butterfly valve to the access pipe and the output pipe. When the limit block does not limit the L-shaped locking block, the L-shaped locking block can be flipped, so that the user can insert one end of the access pipe and the output pipe into the positioning groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the three-dimensional structure of the high-efficiency hydrogen injection device with safety interlock disclosed in the embodiment of the present invention Figure 1 ; Figure 2 Schematic diagram of the three-dimensional structure of the high-efficiency hydrogen injection device with safety interlock disclosed in the embodiment of the present invention Figure 2 ; Figure 3 Schematic diagram of the three-dimensional structure of the high-efficiency hydrogen injection device with safety interlock disclosed in the embodiment of the present invention Figure 3 ; Figure 4 A schematic diagram of the three-dimensional structure of a limit rod, a limit block and an L-shaped locking block of a high-efficiency hydrogen injection device with a safety interlock disclosed in an embodiment of the present invention; Figure 5 A schematic diagram of the internal three-dimensional structure of a mounting frame of a high-efficiency hydrogen injection device with a safety interlock disclosed in an embodiment of the present invention; Figure 6 A schematic side view of a sleeve and a screw of a high-efficiency hydrogen injection device with a safety interlock disclosed in an embodiment of the present invention; Figure 7 This is a block diagram of the internal structure of a control panel of a high-efficiency hydrogen injection device with safety interlock disclosed in an embodiment of the present invention; Figure 8 This is a block diagram of a method for using a high-efficiency hydrogen injection device with a safety interlock disclosed in an embodiment of the present invention.

[0016] In the figure: 100, main body; 1001, connecting pipe; 1002, swivel; 1003, flow sensor; 1004, pressure sensor; 1005, touch panel; 1006, temperature sensor; 1007, electromagnetic butterfly valve; 1008, gear ring; 200, installation mechanism; 2001, installation frame; 2002, hydrogen sensor; 2003, limit rod; 2004, limit block; 2005, L-shaped locking block; 2006, positioning groove; 2007, slider; 2008, slide groove; 2009, sleeve; 2010, gear; 2011, screw. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1 - Figure 7 The present invention provides a technical solution: a high-efficiency hydrogen injection device with safety interlock and a method of using the same, comprising a main body 100 and a mounting mechanism 200, the main body 100 comprising a connecting pipe 1001, an electromagnetic butterfly valve 1007 is mounted on one end of the connecting pipe 1001, a flow sensor 1003 is inserted on one side of the upper end of the connecting pipe 1001, a monitoring port of the flow sensor 1003 extends to the interior of the connecting pipe 1001, a pressure sensor 1004 is inserted on the other side of the upper end surface of the connecting pipe 1001, and the connecting pipe A temperature sensor 1006 is provided at the inner bottom end of 1001, and the mounting mechanism 200 includes a pair of mounting frames 2001, which are respectively connected to one end of the connecting pipe 1001 and one end of the electromagnetic butterfly valve 1007, and positioning grooves 2006 are provided on the outer sides of the mounting frames 2001. A plurality of sleeves 2009 are rotatably connected to the outer edges of the outer sides of the mounting frames 2001, and one end of the sleeves 2009 is threadedly connected to a screw 2011, and one end of the screw 2011 is rotatably connected to an L-shaped locking block 2005.

[0019] Among them, by installing the electromagnetic butterfly valve 1007, the opening and closing of the connecting pipe 1001 can be controlled. When a danger occurs, the inflow of hydrogen can be timely blocked by closing the electromagnetic butterfly valve 1007. By installing the flow sensor 1003, its monitoring port extends to the inside of the connecting pipe 1001, the flow of hydrogen inside the connecting pipe 1001 can be monitored in real time. By installing the pressure sensor 1004, the pressure of the hydrogen inside the connecting pipe 1001 can be monitored in real time. By installing the temperature sensor 1006, the temperature of the hydrogen inside the connecting pipe 1001 can be monitored in real time. By setting a pair of mounting frames 2001 and opening a positioning groove 2006 on the outside thereof, it is convenient to access the pipeline And the output pipeline can be quickly docked by rotating and connecting several sleeves 2009, and threading a screw 2011 at one end thereof. As the sleeve 2009 rotates, the screw 2011 can move, so that the L-shaped locking block 2005, which is rotatably connected at one end, can fix the equipment pipeline flange under the restriction of the limit block 2004, so that the user can connect the connecting pipe 1001 and the electromagnetic butterfly valve 1007 to the access pipeline and the output pipeline. When the limit block 2004 does not limit the L-shaped locking block 2005, the L-shaped locking block 2005 can be flipped, so that the user can insert one end of the access pipeline and the output pipeline into the positioning groove 2006.

[0020] In one embodiment of the present invention, further, the mounting frame 2001 is located at both ends of the sleeve 2009 and fixed with limit rods 2003, and the two opposite surfaces of each pair of limit rods 2003 are provided with sliding grooves 2008, and the upper end of each pair of limit rods 2003 is installed with a limit block 2004.

[0021] Among them, by providing sliding grooves 2008 on two opposite surfaces of the limit rod 2003, the movement of the screw 2011 can be limited, so that it can only perform linear movement as the sleeve 2009 rotates. By installing the limit block 2004, when the screw 2011 drives the L-shaped locking block 2005 to move to the bottom end of the limit block 2004, the L-shaped locking block 2005 will not be able to flip over, so that the flange of the pipeline can only be clamped and fixed.

[0022] In one embodiment of the present invention, further, both ends of the L-shaped locking block 2005 are rotatably connected with sliders 2007 , and the sliders 2007 are slidably connected to the slide grooves 2008 .

[0023] Among them, by rotating the connecting sliders 2007 at both ends of the L-shaped locking block 2005 and making them slidably connected with the slide groove 2008, the L-shaped locking block 2005 is slidably connected with the slide groove 2008 without affecting the flipping of the L-shaped locking block 2005 itself.

[0024] As an embodiment of the present invention, further, one end of the sleeve 2009 extends to the inside of the mounting frame 2001 and is sleeved with a gear 2010.

[0025] Among them, by sleeve-mounting a gear 2010 on one end of the sleeve 2009, when the gear 2010 rotates, the sleeve 2009 can be driven to rotate.

[0026] In one embodiment of the present invention, further, one end of the connecting pipe 1001 and the electromagnetic butterfly valve 1007 are both rotatably sleeved with a swivel ring 1002, one end of the swivel ring 1002 extends to the interior of the mounting frame 2001 and is sleeved with a gear ring 1008, and the gear ring 1008 and the gear 2010 are meshed with each other.

[0027] Among them, the rotating ring 1002 is rotated and sleeved, and the ring gear 1008 is sleeved at one end thereof, and the ring gear 1008 is engaged with the gear 2010. When the user rotates the rotating ring 1002, the ring gear 1008 can be used to drive the gear 2010 to rotate synchronously, so that the sleeve 2009 drives the screw 2011 to extend and retract, and the L-shaped locking block 2005 is used to fix the pipeline flange.

[0028] In one embodiment of the present invention, further, a hydrogen sensor 2002 is fixedly installed on the upper end of the mounting frame 2001, a touch panel 1005 is fixedly installed on one side of the connecting pipe 1001, and an analog-to-digital converter, an alarm, a wireless signal transceiver and a control module are arranged inside the touch panel 1005.

[0029] Among them, by installing the hydrogen sensor 2002, the ports of the connecting pipe 1001 and the electromagnetic butterfly valve 1007 can be monitored in real time to avoid hydrogen leakage. By installing the touch panel 1005, it is convenient for users to control the equipment and display the monitoring results. By setting up an analog-to-digital converter, the analog signals transmitted by each sensor can be converted into digital signals and displayed on the touch panel 1005. By installing an alarm, an alarm prompt can be issued to the operator. By installing a wireless signal transceiver, the operator can be remotely monitored using the wireless network, which is also convenient for users to remotely view the monitoring data. By installing a control module, it is convenient to control the rapid opening and closing operation of the electromagnetic butterfly valve 1007.

[0030] In one embodiment of the present invention, further, the touch panel 1005 is electrically connected to the analog-to-digital converter, the control module, the alarm and the wireless signal transceiver through wires, the input and output ends of the control module are communicatively connected to the input and output ends of the electromagnetic butterfly valve 1007, and the input and output ends of the analog-to-digital converter are communicatively connected to the input and output ends of the flow sensor 1003, the pressure sensor 1004, the temperature sensor 1006 and the hydrogen sensor 2002.

[0031] Among them, by electrically connecting the touch panel 1005 with the analog-to-digital converter, the control module, the alarm and the wireless signal transceiver through wires, it is convenient for the user to use the touch panel 1005 to control the operation of the equipment and display the monitoring results. By communicating the input and output ends of the analog-to-digital converter with the input and output ends of the flow sensor 1003, the pressure sensor 1004, the temperature sensor 1006 and the hydrogen sensor 2002, it is convenient to convert the monitoring signal. By communicating the input and output ends of the control module with the input and output ends of the electromagnetic butterfly valve 1007, it is convenient to control the opening and closing of the electromagnetic butterfly valve 1007.

[0032] In one embodiment of the present invention, further, a sealing ring is provided on the inner side of the positioning groove 2006, and the sealing ring is made of rubber.

[0033] Among them, by setting a sealing ring made of rubber material, after the flange of one end of the incoming pipe and the output pipe is inserted into the positioning groove 2006, the sealing ring can make it more tightly connected with the connecting pipe 1001 and the electromagnetic butterfly valve 1007.

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1 - Figure 8 The embodiment of the present invention further provides a high-efficiency hydrogen injection device with a safety interlock and a method for using the same, comprising the following steps: S1: Equipment installation: plug the output pipe of the hydrogen tank into the mounting frame 2001, plug the input pipe of the hydrogen receiving equipment into another mounting frame 2001, rotate the control screw 2011 through the sleeve 2009 to make it extend and retract, so that the L-shaped locking block 2005 installed at one end of the screw 2011 moves, and fix the mounting frame 2001, the output pipe of the hydrogen tank and the input pipe of the hydrogen receiving equipment together; S2: Hydrogen injection: The hydrogen in the hydrogen tank is injected into the electromagnetic butterfly valve 1007 through the pump and the booster pump, and flows into the hydrogen receiving device through the connecting pipe 1001. The flow sensor 1003, the pressure sensor 1004 and the temperature sensor 1006 installed inside the connecting pipe 1001 monitor the flow, pressure and temperature of the hydrogen passing through the connecting pipe 1001, and the position of the pipeline connection port is monitored by installing a hydrogen sensor 2002 on the upper end of the mounting frame 2001; S3: Monitoring and display: The data signal monitored in S2 is sent to the analog-to-digital converter, and the analog signal is converted into a digital signal and displayed on the touch panel 1005. When the numerical range of the flow signal, pressure signal and temperature signal monitored is about to reach the set threshold, the alarm sounds an alarm, and the alarm information is sent to the terminal and the mobile terminal through the wireless network through the wireless signal transceiver for warning. When the numerical range of the flow signal, pressure signal and temperature signal monitored exceeds the threshold, the control module immediately controls the electromagnetic butterfly valve 1007 to close, preventing hydrogen from entering the connecting pipe 1001.

Claims

1. A high-efficiency hydrogen injection device with safety interlock, characterized in that: The invention comprises a main body (100) and a mounting mechanism (200), wherein the main body (100) comprises a connecting pipe (1001), one end of which is mounted with an electromagnetic butterfly valve (1007), a flow sensor (1003) is inserted into one side of the upper end of the connecting pipe (1001), a monitoring port of the flow sensor (1003) extends into the interior of the connecting pipe (1001), a pressure sensor (1004) is inserted into the other side of the upper end surface of the connecting pipe (1001), and a temperature sensor (1004) is provided at the inner bottom end of the connecting pipe (1001). 6), the mounting mechanism (200) comprises a pair of mounting frames (2001), the pair of mounting frames (2001) being respectively connected to one end of the connecting pipe (1001) and one end of the electromagnetic butterfly valve (1007), the outer sides of the mounting frames (2001) are provided with positioning grooves (2006), the outer edges of the outer sides of the mounting frames (2001) are rotatably connected to a plurality of sleeves (2009), one end of the sleeves (2009) is threadedly connected to a screw rod (211), and one end of the screw rod (211) is rotatably connected to an L-shaped locking block (2005).

2. A high-efficiency hydrogen injection device with safety interlock according to claim 1, characterized in that: The mounting frame (2001) is fixedly mounted with limit rods (2003) at both ends of the sleeve (2009), and each pair of the limit rods (2003) has two opposite surfaces provided with sliding grooves (2008), and each pair of the limit rods (2003) has a limit block (2004) mounted on the upper end.

3. A high-efficiency hydrogen injection device with safety interlock according to claim 2, characterized in that: Both ends of the L-shaped locking block (2005) are rotatably connected to sliders (2007), and the sliders (2007) are slidably connected to the slide grooves (2008).

4. A high-efficiency hydrogen injection device with safety interlock according to claim 1, characterized in that: One end of each of the sleeves (2009) extends into the interior of the mounting frame (2001) and is sleeved with a gear (2010).

5. A high-efficiency hydrogen injection device with safety interlock according to claim 4, characterized in that: One end of the connecting pipe (1001) and the electromagnetic butterfly valve (1007) are both rotatably sleeved with a swivel ring (1002), one end of the swivel ring (1002) extends to the interior of the mounting frame (2001) and is sleeved with a gear ring (1008), and the gear ring (1008) and the gear (2010) are meshed with each other.

6. A high-efficiency hydrogen injection device with safety interlock according to claim 1, characterized in that: A hydrogen sensor (2002) is fixedly mounted on the upper ends of a pair of mounting frames (2001), a touch panel (1005) is fixedly mounted on one side of the connecting tube (1001), and an analog-to-digital converter, an alarm, a wireless signal transceiver and a control module are arranged inside the touch panel (1005).

7. A high-efficiency hydrogen injection device with safety interlock according to claim 6, characterized in that: The touch panel (1005) is electrically connected to the analog-to-digital converter, the control module, the alarm and the wireless signal transceiver via wires; the input and output ends of the control module are communicatively connected to the input and output ends of the electromagnetic butterfly valve (1007); the input and output ends of the analog-to-digital converter are communicatively connected to the input and output ends of the flow sensor (1003), the pressure sensor (1004), the temperature sensor (1006) and the hydrogen sensor (2002).

8. A high-efficiency hydrogen injection device with safety interlock according to claim 1, characterized in that: The inner side of the positioning groove (2006) is provided with a sealing ring, and the sealing ring is made of rubber.

9. A method for using a high-efficiency hydrogen injection device with a safety interlock, characterized in that: A high-efficiency hydrogen injection device with safety interlock as applied to claims 1-8 comprises the following steps: S1: Equipment installation: plug the output pipe of the hydrogen tank into the mounting frame (2001), plug the input pipe of the hydrogen receiving equipment into another mounting frame (2001), and rotate the control screw (211) through the sleeve (2009) to extend and retract, so that the L-shaped locking block (2005) installed at one end of the screw (2011) moves, and fix the mounting frame (2001) and the output pipe of the hydrogen tank and the input pipe of the hydrogen receiving equipment together; S2: Hydrogen injection: The hydrogen in the hydrogen tank is injected into the electromagnetic butterfly valve (1007) through the pump and the booster pump, and flows into the hydrogen receiving device through the connecting pipe (1001). The flow sensor (1003), pressure sensor (1004) and temperature sensor (1006) installed inside the connecting pipe (1001) monitor the flow, pressure and temperature of the hydrogen passing through the connecting pipe (1001), and the position of the pipeline connection port is monitored by installing a hydrogen sensor (2002) on the upper end of the mounting frame (2001); S3: Monitoring and display: The data signal monitored in S2 is sent to the analog-to-digital converter, and the analog signal is converted into a digital signal and displayed on the touch panel (1005). When the numerical range of the flow signal, pressure signal and temperature signal monitored is about to reach the set threshold, the alarm sounds an alarm, and the alarm information is sent to the terminal and the mobile terminal through the wireless network through the wireless signal transceiver for warning. When the numerical range of the flow signal, pressure signal and temperature signal monitored exceeds the threshold, the control module immediately controls the electromagnetic butterfly valve (1007) to close, preventing hydrogen from entering the connecting pipe (1001).