Hydrogen station safety control method and system

Abstract

This invention discloses a safety control method and system for hydrogen refueling stations. The method includes: acquiring weather information and hydrogen concentration at the refueling station in real time; determining a hydrogen concentration alarm threshold based on the weather information; comparing the hydrogen concentration alarm threshold with the hydrogen concentration at the refueling station to determine in real time whether there is a hydrogen leak at the refueling station; and issuing an alarm when a hydrogen leak is detected. This method can determine whether there is a leak based on a hydrogen concentration alarm threshold that matches actual weather conditions, thereby avoiding false alarms due to excessively low alarm thresholds and delayed alarms due to excessively high alarm thresholds.

Description

Technical Field

[0001] This invention belongs to the field of safety control application technology, specifically relating to a safety control method and system for hydrogen refueling stations. Background Technology

[0002] Currently, the safety testing items for hydrogen refueling stations include whether a leak has occurred at the station, and if a leak does occur, the location of the hydrogen leak.

[0003] In existing technology, hydrogen concentration detectors in the gas refueling station's combustion system can detect the hydrogen concentration at the station. When the hydrogen concentration exceeds the hydrogen leak alarm concentration, a leak is considered to exist. The hydrogen leak alarm concentration at a refueling station is usually determined based on the ambient temperature, which may cause alarm delays or false alarms. Furthermore, when the hydrogen concentration detector alarms, it is necessary to locate the hydrogen leak source around the alarm location. For safety reasons, the number of potential leak sources may exceed the actual number of leaks during the search.

[0004] There is an urgent need for a safety control method and system for hydrogen refueling stations. Summary of the Invention

[0005] To address the above problems, this invention provides a method and system for safety control of hydrogen refueling stations.

[0006] In a first aspect, the present invention provides a safety control method for a hydrogen refueling station, comprising the following steps:

[0007] Real-time access to weather information and hydrogen concentration at hydrogen refueling stations;

[0008] The hydrogen concentration alarm threshold for hydrogen refueling stations is determined based on the aforementioned weather information;

[0009] By comparing the hydrogen concentration alarm threshold at the hydrogen refueling station with the hydrogen concentration at the refueling station, it is possible to determine in real time whether there is a hydrogen leak at the refueling station.

[0010] An alarm will be triggered when a hydrogen refueling station experiences a hydrogen leak.

[0011] According to an embodiment of the present invention, preferably, determining the hydrogen concentration alarm threshold at the hydrogen refueling station based on the weather information includes:

[0012] Determining whether hydrogen storage cylinders are under heat immersion based on weather information:

[0013] When the hydrogen storage cylinder is in a hot-immersion state, the hydrogen concentration alarm threshold of the hydrogen refueling station is the sum of the preset initial hydrogen concentration and the first preset hydrogen concentration;

[0014] When the hydrogen storage cylinder is in a non-heat-immersed state, the hydrogen concentration alarm threshold of the hydrogen refueling station is the preset initial hydrogen concentration.

[0015] According to an embodiment of the present invention, preferably, determining the hydrogen concentration alarm threshold at the hydrogen refueling station based on the weather information includes:

[0016] Determine the environmental conditions of the hydrogen storage cylinders based on weather information;

[0017] The hydrogen concentration alarm threshold for hydrogen refueling stations is determined based on the environmental conditions of the hydrogen storage cylinders.

[0018] According to an embodiment of the present invention, preferably, the weather information includes weather conditions, solar radiation intensity, temperature, humidity, wind force, and wind direction. Determining the environmental state of the hydrogen storage cylinder based on the weather information includes:

[0019] Weather conditions, solar radiation intensity, temperature, humidity, wind force, and wind direction are input into a pre-trained environmental state classification model, which then outputs the environmental state of the hydrogen storage cylinder.

[0020] According to an embodiment of the present invention, preferably, the environmental state includes an initial state, a hot-immersion state, and a cold-immersion state, and determining the hydrogen concentration alarm threshold of the hydrogen refueling station based on the environmental state of the hydrogen storage cylinder includes:

[0021] When the hydrogen storage cylinder is in a hot-immersion state, the hydrogen concentration alarm threshold of the hydrogen refueling station is the sum of the preset initial hydrogen concentration and the second preset hydrogen concentration;

[0022] When the hydrogen storage cylinder is in a cold soaking state, the temperature inside the hydrogen storage cylinder is the difference between the preset initial hydrogen concentration and the third preset hydrogen concentration.

[0023] When the hydrogen storage cylinder is in its initial state, the temperature inside the hydrogen storage cylinder is equal to the hydrogen concentration alarm threshold of the hydrogen refueling station, which is the preset initial hydrogen concentration.

[0024] According to an embodiment of the present invention, preferably, the method further includes:

[0025] When the hydrogen storage cylinder is in a hot immersion state, the hot immersion state is classified into levels according to the values ​​of weather conditions, solar intensity, temperature, humidity, wind force, and wind direction, so as to determine the second preset hydrogen concentration according to the level of hot immersion state.

[0026] When the hydrogen storage cylinder is in a cold immersion state, the cold immersion state is classified into levels according to the values ​​of weather conditions, solar intensity, temperature, humidity, wind force, and wind direction, so as to determine the third preset hydrogen concentration according to the level of cold immersion state.

[0027] According to an embodiment of the present invention, preferably, the weather information includes wind speed and wind direction; when there is a hydrogen leak at the hydrogen refueling station, the method further includes:

[0028] The location of the hydrogen leak was determined based on wind speed and direction.

[0029] According to an embodiment of the present invention, preferably, the method further includes:

[0030] The hydrogen refueling station is divided into an upwind area and a downwind area based on the location of the hydrogen leak.

[0031] For equipment located downwind of the hydrogen leak, cease operation.

[0032] For devices located in the air vent area of ​​a hydrogen leak, determine whether to stop operation based on the wind speed.

[0033] According to an embodiment of the present invention, preferably, determining whether to stop operation for the device located in the vent area above the hydrogen leak location based on the wind speed includes:

[0034] Determine if the wind speed exceeds the preset wind speed threshold:

[0035] When the wind speed exceeds the preset wind speed threshold, the equipment located in the upwind area of ​​the hydrogen leak location will not stop operating.

[0036] When the wind speed does not exceed the preset wind speed threshold, the equipment located in the upwind area of ​​the hydrogen leak location shall be shut down.

[0037] According to an embodiment of the present invention, preferably, the method further includes:

[0038] Real-time monitoring of flame concentration at hydrogen refueling stations;

[0039] When the flame concentration is detected, a fire extinguishing strategy is determined based on wind speed and direction information.

[0040] Secondly, the present invention provides a safety control system for a hydrogen refueling station, comprising:

[0041] Weather identification device, used to obtain weather information in real time;

[0042] A gas detection device, used to detect the hydrogen concentration at hydrogen refueling stations;

[0043] The control device is used to determine the hydrogen concentration alarm threshold of the hydrogen refueling station based on the weather information; and compare the hydrogen concentration alarm threshold of the hydrogen refueling station with the hydrogen concentration of the hydrogen refueling station to determine in real time whether there is a hydrogen leak at the hydrogen refueling station: when there is a hydrogen leak at the hydrogen refueling station, an alarm is triggered.

[0044] Compared with the prior art, one or more embodiments of the above solutions may have the following advantages or beneficial effects:

[0045] The hydrogen refueling station safety control method of this invention acquires weather information and hydrogen concentration at the refueling station in real time; determines a hydrogen concentration alarm threshold based on the weather information; compares the hydrogen concentration alarm threshold with the hydrogen concentration at the refueling station to determine in real time whether there is a hydrogen leak at the refueling station; when a hydrogen leak is detected, an alarm is triggered. This method can determine whether there is a leak by using a hydrogen concentration alarm threshold that matches the actual weather conditions, thereby avoiding false alarms caused by an excessively low hydrogen concentration alarm threshold and delayed alarms caused by an excessively high hydrogen concentration alarm threshold.

[0046] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the description, claims, and drawings. Attached Figure Description

[0047] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with the embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0048] Figure 1 A flowchart of the hydrogen refueling station safety control method according to Embodiment 1 of the present invention is shown;

[0049] Figure 2 A flowchart of the hydrogen refueling station safety control method according to Embodiment 2 of the present invention is shown;

[0050] Figure 3 A schematic diagram of the hydrogen refueling station safety control system according to Embodiment 3 of the present invention is shown. Detailed Implementation

[0051] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings and examples, so that the process of how the present invention uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. It should be noted that, as long as there is no conflict, the various embodiments and features in the various embodiments of the present invention can be combined with each other, and the resulting technical solutions are all within the protection scope of the present invention.

[0052] Example 1

[0053] To address the aforementioned technical problems in the prior art, this invention provides a method for safety control of hydrogen refueling stations.

[0054] Reference Figure 1 The hydrogen refueling station safety control method of this embodiment includes the following steps:

[0055] S11, obtains real-time weather information and hydrogen concentration at hydrogen refueling stations;

[0056] S12, determine the environmental conditions of the hydrogen storage cylinder based on weather information;

[0057] S13, Determine the hydrogen concentration alarm threshold of the hydrogen refueling station based on the environmental conditions of the hydrogen storage cylinder;

[0058] S14, compare the hydrogen concentration alarm threshold of the hydrogen refueling station with the hydrogen concentration of the hydrogen refueling station to determine in real time whether there is a hydrogen leak at the hydrogen refueling station:

[0059] If so, an alarm will be triggered, and step S15 will be executed;

[0060] If not, then no response will be given;

[0061] S15, determine the location of the hydrogen leak based on wind speed and direction.

[0062] Example 2

[0063] To address the aforementioned technical problems in the existing technology, this invention provides a hydrogen refueling station safety control method based on Embodiment 1. The state of the on-board hydrogen storage cylinder includes a hot-immersion state, a cold-immersion state, and an initial state. In this embodiment, the weather information includes weather conditions, solar radiation intensity, temperature, humidity, wind force, and wind direction. The environmental state includes the initial state, the hot-immersion state, and the cold-immersion state.

[0064] Reference Figure 2 The hydrogen refueling station safety control method of this embodiment includes the following steps:

[0065] S21, obtains real-time weather information and hydrogen concentration at hydrogen refueling stations;

[0066] S22, input the weather conditions, solar radiation intensity, temperature, humidity, wind force and wind direction into the pre-trained environmental state classification model, and use the environmental state classification model to output the environmental state of the hydrogen storage cylinder.

[0067] S231, When the hydrogen storage cylinder is in a hot-immersion state, the hydrogen concentration alarm threshold of the hydrogen refueling station is the sum of the preset initial hydrogen concentration and the second preset hydrogen concentration;

[0068] S232, When the hydrogen storage cylinder is in a cold soaking state, the temperature inside the hydrogen storage cylinder is the difference between the preset initial hydrogen concentration and the third preset hydrogen concentration.

[0069] S233, when the hydrogen storage cylinder is in the initial state, the temperature inside the hydrogen storage cylinder is the hydrogen concentration alarm threshold of the hydrogen refueling station is the preset initial hydrogen concentration.

[0070] S24, compare the hydrogen concentration alarm threshold of the hydrogen refueling station with the hydrogen concentration of the hydrogen refueling station to determine in real time whether there is a hydrogen leak at the hydrogen refueling station:

[0071] If so, an alarm will be triggered and step S251 will be executed;

[0072] If not, then no response will be given;

[0073] S251, using the location of the hydrogen leak as the boundary, divides the hydrogen refueling station into an upwind area and a downwind area.

[0074] S252, For devices located downwind of the hydrogen leak, cease operation;

[0075] S253, for devices located in the air vent area of ​​a hydrogen leak location, determine whether to stop operation based on the wind speed.

[0076] In this embodiment, after step S231, the method further includes:

[0077] When hydrogen storage cylinders are in a heat-immersion state, the heat immersion state is classified into levels based on weather conditions, sunlight intensity, temperature, humidity, wind force, and wind direction. The second preset hydrogen concentration is determined according to the heat immersion state level. In practical applications, the higher the heat immersion state level, the greater the degree of heat immersion, and the higher the second preset hydrogen concentration.

[0078] In this embodiment, after step S232, the method further includes:

[0079] When hydrogen storage cylinders are in a cold-soaked state, the cold-soaking state is classified into levels based on weather conditions, solar radiation intensity, temperature, humidity, wind force, and wind direction. The third preset hydrogen concentration is determined according to the cold-soaking state level. In practical applications, the higher the cold-soaking state level, the greater the degree of cold soaking, and the higher the third preset hydrogen concentration.

[0080] In this embodiment, step S253, determining whether to stop operation for the device located in the wind vent area above the hydrogen leak location based on the wind speed, includes:

[0081] Determine if the wind speed exceeds the preset wind speed threshold:

[0082] When the wind speed exceeds the preset wind speed threshold, the equipment located in the upwind area of ​​the hydrogen leak location will not stop operating.

[0083] When the wind speed does not exceed the preset wind speed threshold, the equipment located in the upwind area of ​​the hydrogen leak location shall be shut down.

[0084] In this embodiment, the method further includes:

[0085] Real-time monitoring of flame concentration at hydrogen refueling stations;

[0086] When the flame concentration is detected, a fire extinguishing strategy is determined based on wind speed and direction information.

[0087] Example 3

[0088] To address the aforementioned technical problems in the prior art, this invention provides a hydrogen refueling station safety control system based on Embodiment 1.

[0089] See Figure 3 The hydrogen refueling station safety control system in this embodiment includes:

[0090] Weather identification device, used to obtain weather information in real time;

[0091] A gas detection device, used to detect the hydrogen concentration at hydrogen refueling stations;

[0092] The control device is used to determine the hydrogen concentration alarm threshold of the hydrogen refueling station based on the weather information; and compare the hydrogen concentration alarm threshold of the hydrogen refueling station with the hydrogen concentration of the hydrogen refueling station to determine in real time whether there is a hydrogen leak at the hydrogen refueling station: when there is a hydrogen leak at the hydrogen refueling station, an alarm is triggered.

[0093] exist Figure 3 In the image, the arrow indicates the direction of information transmission; related equipment at hydrogen refueling stations may include alarm devices, etc.

[0094] The control device is also used for:

[0095] Determine the environmental conditions of the hydrogen storage cylinders based on weather information;

[0096] The hydrogen concentration alarm threshold for hydrogen refueling stations is determined based on the environmental conditions of the hydrogen storage cylinders.

[0097] The control device is also used for:

[0098] Weather conditions, solar radiation intensity, temperature, humidity, wind force, and wind direction are input into a pre-trained environmental state classification model, which then outputs the environmental state of the hydrogen storage cylinder.

[0099] The control device is also used for:

[0100] When the hydrogen storage cylinder is in a hot-immersion state, the hydrogen concentration alarm threshold of the hydrogen refueling station is the sum of the preset initial hydrogen concentration and the second preset hydrogen concentration;

[0101] When the hydrogen storage cylinder is in a cold soaking state, the temperature inside the hydrogen storage cylinder is the difference between the preset initial hydrogen concentration and the third preset hydrogen concentration.

[0102] When the hydrogen storage cylinder is in its initial state, the temperature inside the hydrogen storage cylinder is equal to the hydrogen concentration alarm threshold of the hydrogen refueling station, which is the preset initial hydrogen concentration.

[0103] The control device is also used for:

[0104] When the hydrogen storage cylinder is in a hot immersion state, the hot immersion state is classified into levels according to the values ​​of weather conditions, solar intensity, temperature, humidity, wind force, and wind direction, so as to determine the second preset hydrogen concentration according to the level of hot immersion state.

[0105] When the hydrogen storage cylinder is in a cold immersion state, the cold immersion state is classified into levels according to the values ​​of weather conditions, solar intensity, temperature, humidity, wind force, and wind direction, so as to determine the third preset hydrogen concentration according to the level of cold immersion state.

[0106] The control device is also used for:

[0107] The location of the hydrogen leak was determined based on wind speed and direction.

[0108] The control device is also used for:

[0109] The hydrogen refueling station is divided into an upwind area and a downwind area based on the location of the hydrogen leak.

[0110] For equipment located downwind of the hydrogen leak, cease operation.

[0111] For devices located in the air vent area of ​​a hydrogen leak, determine whether to stop operation based on the wind speed.

[0112] The control device is also used for:

[0113] Determine if the wind speed exceeds the preset wind speed threshold:

[0114] When the wind speed exceeds the preset wind speed threshold, the equipment located in the upwind area of ​​the hydrogen leak location will not stop operating.

[0115] When the wind speed does not exceed the preset wind speed threshold, the equipment located in the upwind area of ​​the hydrogen leak location shall be shut down.

[0116] The flame device is also used for: real-time monitoring of the flame concentration at hydrogen refueling stations;

[0117] The control device is also used for:

[0118] When the flame concentration is detected, a fire extinguishing strategy is determined based on wind speed and direction information.

[0119] In practical applications, the hydrogen diffusion rate is significantly affected by temperature. The hydrogen refueling station safety control system in this embodiment can set a hydrogen concentration alarm threshold corresponding to the weather information (sunny, cloudy, rainy) transmitted by the weather recognition device. On sunny days, equipment such as long-tube trailers, compressors, hydrogen storage cylinder groups, and hydrogen dispensers in the hydrogen refueling station are exposed to direct sunlight for extended periods, resulting in temperatures higher than the ambient temperature. Under the same equipment operating conditions, the hydrogen diffusion rate increases, necessitating a higher hydrogen concentration alarm threshold. This is to avoid false alarms caused by the hydrogen concentration alarm threshold being set at the ambient temperature, which would affect the normal operation of the hydrogen refueling station. Simultaneously, it also avoids delayed alarms in non-sunny weather conditions caused by the hydrogen concentration alarm threshold being set at the highest temperature achievable by direct sunlight, which could have serious consequences. Therefore, this application determines the hydrogen concentration alarm threshold based on actual weather conditions, enabling a more accurate determination of whether a leak has occurred at the hydrogen refueling station.

[0120] The hydrogen refueling station safety control system in this embodiment can narrow down the search area for the leak source when a leak alarm occurs by using the real-time wind speed and direction transmitted by the meteorological identification device. This saves hydrogen refueling station maintenance time, reduces the hydrogen refueling time lost due to malfunctions, minimizes economic losses, and avoids the problem of searching a large area at the alarm location when there is no meteorological identification device. It can quickly locate the hydrogen leak location.

[0121] Since a hydrogen refueling station consists of a long-tube trailer gas supply system, a compression system, a hydrogen storage system, and a hydrogen refueling system, and each system is located at different positions within the station with a certain distance between them, the hydrogen refueling station safety control system in this embodiment can formulate effective safety control strategies based on the real-time wind speed and direction transmitted by the weather identification device: operations are stopped in the downwind area of ​​the leak location, but the upwind area of ​​the leak location is considered to be safe under certain conditions when the wind speed is high, and the equipment in that area can still operate, thus avoiding the situation where the entire hydrogen refueling station is shut down once the hydrogen refueling station safety control system detects a leak without a weather identification device.

[0122] The fire control device of the hydrogen refueling station safety control system in this embodiment monitors the flame concentration, and when a flame is detected, it can quickly determine the fire extinguishing plan and personnel evacuation strategy based on the wind speed and wind direction information transmitted by the meteorological identification device to reduce the severity of the accident.

[0123] Example 4

[0124] To address the aforementioned technical problems in the prior art, embodiments of the present invention also provide a storage medium.

[0125] In one embodiment, the storage medium of this embodiment stores a computer program that, when executed by a processor, implements the hydrogen refueling station safety control method described above.

[0126] The processors mentioned above can be general-purpose processors, including central processing units (CPUs), network processors (NPs), etc.; they can also be digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.

[0127] Optionally, the storage medium may be a non-transitory computer-readable storage medium, such as a ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, and optical data storage device.

[0128] Example 5

[0129] To address the aforementioned technical problems in the prior art, embodiments of the present invention also provide a computer device.

[0130] In one embodiment, the computer device of this embodiment includes a memory and a processor, the memory storing a computer program that, when executed by the processor, implements the above-described hydrogen refueling station safety control method.

[0131] The aforementioned memory may include random access memory (RAM) or non-volatile memory, such as at least one disk storage device. Optionally, the memory may also be at least one storage device located remotely from the aforementioned processor.

[0132] The processors mentioned above can be general-purpose processors, including central processing units (CPUs), network processors (NPs), etc.; they can also be digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.

[0133] While the embodiments disclosed in this invention are as described above, the content is merely for the purpose of facilitating understanding of the invention and is not intended to limit the invention. Any person skilled in the art to which this invention pertains may make any modifications and changes in form and detail of the implementation without departing from the spirit and scope disclosed herein; however, the scope of protection of this invention shall still be determined by the scope defined in the appended claims.

Claims

1. A method for safety control of a hydrogen station, characterized by, The method comprises the following steps: Real-time acquisition of weather information and hydrogen concentration of the hydrogen refueling station; Determination of a hydrogen concentration alarm threshold of the hydrogen refueling station based on the weather information; Real-time judgment of whether there is hydrogen leakage in the hydrogen refueling station by comparing the hydrogen concentration alarm threshold of the hydrogen refueling station with the hydrogen concentration of the hydrogen refueling station; Alarm when there is hydrogen leakage in the hydrogen refueling station; The determination of the hydrogen concentration alarm threshold of the hydrogen refueling station based on the weather information comprises: Determination of the environment state in which the hydrogen storage cylinder is located based on the weather information; Determination of the hydrogen concentration alarm threshold of the hydrogen refueling station according to the environment state in which the hydrogen storage cylinder is located; The environment state comprises an initial state, a hot soaking state and a cold soaking state, and the determination of the hydrogen concentration alarm threshold of the hydrogen refueling station according to the environment state in which the hydrogen storage cylinder is located comprises: When the hydrogen storage cylinder is in the hot soaking state, the hydrogen concentration alarm threshold of the hydrogen refueling station is the sum of the preset initial hydrogen concentration and the second preset hydrogen concentration; When the hydrogen storage cylinder is in the cold soaking state, the temperature in the hydrogen storage cylinder is the difference between the preset initial hydrogen concentration and the third preset hydrogen concentration; When the hydrogen storage cylinder is in the initial state, the temperature in the hydrogen storage cylinder is the preset initial hydrogen concentration. The method further comprises: When the hydrogen storage cylinder is in the hot soaking state, the hot soaking state is classified according to the numerical values of the weather condition, the sunshine intensity, the temperature, the humidity, the wind power and the wind direction, so as to determine the second preset hydrogen concentration according to the classification of the hot soaking state; When the hydrogen storage cylinder is in the cold soaking state, the cold soaking state is classified according to the numerical values of the weather condition, the sunshine intensity, the temperature, the humidity, the wind power and the wind direction, so as to determine the third preset hydrogen concentration according to the classification of the cold soaking state; The weather information comprises the wind speed and the wind direction, and the method further comprises: Determination of the hydrogen leakage position according to the wind speed and the wind direction; The method further comprises: The hydrogen refueling station is divided into an upwind area and a downwind area of the hydrogen leakage position according to the hydrogen leakage position; The devices in the downwind area of the hydrogen leakage position are stopped from working; The devices in the upwind area of the hydrogen leakage position are determined whether to be stopped from working according to the wind speed; The determination whether the devices in the upwind area of the hydrogen leakage position are stopped from working according to the wind speed comprises: Determination whether the wind speed exceeds a preset wind speed threshold; When the wind speed exceeds the preset wind speed threshold, the devices in the upwind area of the hydrogen leakage position are not stopped from working; When the wind speed does not exceed the preset wind speed threshold, the devices in the upwind area of the hydrogen leakage position are stopped from working.

2. The method of claim 1, wherein, The weather information comprises the weather condition, the sunshine intensity, the temperature, the humidity, the wind power and the wind direction, and the determination of the environment state in which the hydrogen storage cylinder is located based on the weather information comprises: The weather condition, the sunshine intensity, the temperature, the humidity, the wind power and the wind direction are input into a pre-trained environment state classification model, and the environment state classification model is used to output the environment state in which the hydrogen storage cylinder is located.

3. The method of claim 1, wherein, The method further comprises: Real-time monitoring of the flame concentration of the hydrogen refueling station; Determination of a fire extinguishing strategy according to the wind speed and the wind direction information when the flame concentration is monitored.

4. A hydrogen station safety control system using the hydrogen station safety control method according to any one of claims 1 to 3, characterized by ​ The meteorological identification device is used for acquiring weather information in real time; The fire gas device is used for detecting the hydrogen concentration of the hydrogen refueling station; The control device is used for determining the hydrogen concentration alarm threshold of the hydrogen refueling station based on the weather information, and comparing the hydrogen concentration alarm threshold of the hydrogen refueling station with the hydrogen concentration of the hydrogen refueling station to determine whether the hydrogen refueling station has a hydrogen leakage in real time; and when the hydrogen refueling station has a hydrogen leakage, an alarm is given; The control device is further used for: determining the environmental state of the hydrogen storage cylinder based on the weather information; determining the hydrogen concentration alarm threshold of the hydrogen refueling station according to the environmental state of the hydrogen storage cylinder; The environmental state includes an initial state, a hot soaking state and a cold soaking state; The control device is further used for: when the hydrogen storage cylinder is in the hot soaking state, the hydrogen concentration alarm threshold of the hydrogen refueling station is the sum of the preset initial hydrogen concentration and the second preset hydrogen concentration; when the hydrogen storage cylinder is in the cold soaking state, the temperature in the hydrogen storage cylinder is the difference between the preset initial hydrogen concentration and the third preset hydrogen concentration; when the hydrogen storage cylinder is in the initial state, the temperature in the hydrogen storage cylinder is the preset initial hydrogen concentration; when the hydrogen storage cylinder is in the hot soaking state, the hot soaking state is classified according to the numerical values of the weather condition, the sunshine intensity, the temperature, the humidity, the wind power and the wind direction, so as to determine the second preset hydrogen concentration according to the classification of the hot soaking state; when the hydrogen storage cylinder is in the cold soaking state, the cold soaking state is classified according to the numerical values of the weather condition, the sunshine intensity, the temperature, the humidity, the wind power and the wind direction, so as to determine the third preset hydrogen concentration according to the classification of the cold soaking state; The weather information includes the wind speed and the wind direction; The control device is further used for: when the hydrogen refueling station has a hydrogen leakage, the hydrogen leakage position is determined according to the wind speed and the wind direction; the hydrogen refueling station is divided into an upwind area and a downwind area of the hydrogen leakage position according to the hydrogen leakage position; the devices in the downwind area of the hydrogen leakage position are stopped from working; the devices in the upwind area of the hydrogen leakage position are determined whether to be stopped from working according to the wind speed; The control device is further used for: determining whether the wind speed exceeds a preset wind speed threshold; when the wind speed exceeds the preset wind speed threshold, the devices in the upwind area of the hydrogen leakage position are not stopped from working; when the wind speed does not exceed the preset wind speed threshold, the devices in the upwind area of the hydrogen leakage position are stopped from working.

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