CN115326295A - Hydrogen leakage detection method, device, equipment and storage medium - Google Patents
Hydrogen leakage detection method, device, equipment and storage medium Download PDFInfo
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- CN115326295A CN115326295A CN202211250310.XA CN202211250310A CN115326295A CN 115326295 A CN115326295 A CN 115326295A CN 202211250310 A CN202211250310 A CN 202211250310A CN 115326295 A CN115326295 A CN 115326295A
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Abstract
The invention discloses a hydrogen leakage detection method, a device, equipment and a storage medium. The hydrogen leakage detection method includes: acquiring measurement data of a hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement subarea according to the measurement data of the hydrogen sensor; and determining the hydrogen leakage state according to the hydrogen state change rate in at least two time periods, wherein the hydrogen state change rate in each time period comprises the hydrogen state change rate of all hydrogen measurement subareas. The method provided by the invention comprises the steps of determining the hydrogen state change rate of each hydrogen measurement subarea according to the measurement data of the hydrogen sensor; the hydrogen leakage state is determined according to the hydrogen state change rate in at least two periods, and when the hydrogen leakage state is detected based on the hydrogen state change rate, the hydrogen leakage detection can be realized before hydrogen accumulation, and the hysteresis of the hydrogen leakage detection is small.
Description
Technical Field
The embodiment of the invention relates to a leakage detection technology, in particular to a hydrogen leakage detection method, a device, equipment and a storage medium.
Background
The hydrogen storage mode adopted by the fuel cell vehicle is usually external high-pressure gaseous hydrogen storage, and hydrogen is supplied to the fuel cell through a hydrogen pipeline and functional valve members. When the existing external hydrogen system (located outside the cabin of the whole vehicle, such as a hydrogen system for a bus) leaks, hydrogen escapes quickly, and hydrogen is not easy to accumulate, so that the concentration of the accumulated hydrogen is not too high, and hydrogen monitoring is usually not paid much attention to.
At present, in some equipment carrying a hydrogen system and a fuel cell, a hydrogen storage device is provided in a separate closed (or semi-closed) cabin, for example, in some fuel cell vehicles, a hydrogen fuel cell is carried in a rear cabin; the hydrogen system and the fuel cell carried by the highway vehicle are positioned in the traditional luggage compartment and the rear compartment; the hydrogen system and the fuel cell carried by the forklift are positioned in the cabin body below the seat, and the hydrogen system and the fuel cell carried by the ship are positioned in the independent closed cabin body. The above hydrogen system or fuel cell arrangement forms have the common characteristics that: the system is in a closed space (a rear cabin, a luggage cabin and the like), and the hydrogen is diffused slowly when leaking, so that accumulation is easy to generate, a high-concentration hydrogen state is quickly formed, and the driving safety is damaged.
In the prior art, a leak detection method for a hydrogen storage apparatus in a closed or semi-closed space is lacking.
Disclosure of Invention
The invention provides a hydrogen leakage detection method, a device, equipment and a storage medium, which aim to reduce the hysteresis of hydrogen leakage detection and improve the judgment precision of hydrogen leakage detection.
In a first aspect, an embodiment of the present invention provides a hydrogen leakage detection method, including:
acquiring measurement data of a hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor;
determining a hydrogen leak condition based on the hydrogen condition change rates over at least two time periods, wherein the hydrogen condition change rate over each time period comprises the hydrogen condition change rates of all of the hydrogen measurement zones.
Optionally, the hydrogen state change rate includes a hydrogen concentration change rate and a hydrogen flow direction.
Optionally, the determining a hydrogen leakage point according to the hydrogen state change rate in at least two periods comprises:
determining the hydrogen leakage state by using the hydrogen state change rate and the hydrogen measurement partition space data;
wherein the hydrogen measurement subarea space data comprises hydrogen measurement subarea boundary data and measurement subarea internal space component arrangement data.
Optionally, the method further comprises determining the hydrogen concentration of each hydrogen measurement zone;
and generating a hydrogen measurement cloud chart by using the hydrogen concentration of all the hydrogen measurement subareas.
Optionally, the method further comprises updating the hydrogen measurement cloud map according to a specified time period.
Optionally, the hydrogen leakage state includes a hydrogen leakage type, and the hydrogen leakage type is determined according to the hydrogen concentration and the hydrogen concentration change rate;
wherein the hydrogen leakage type comprises continuous leakage and discontinuous leakage.
Optionally, the hydrogen leakage state includes a hydrogen leakage point, and further includes counting an occurrence frequency of the hydrogen leakage point.
In a second aspect, an embodiment of the present invention further provides a hydrogen leakage detection apparatus, including a hydrogen leakage detection unit, where the hydrogen leakage detection unit is configured to:
acquiring measurement data of a hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor;
determining a hydrogen leak condition based on the hydrogen condition change rates over at least two time periods, wherein the hydrogen condition change rate over each time period comprises the hydrogen condition change rates of all of the hydrogen measurement zones.
In a third aspect, an embodiment of the present invention further provides an electronic device, including at least one processor, and a memory communicatively connected to the at least one processor;
the memory stores a computer program executable by the at least one processor, the computer program being executed by the at least one processor to enable the at least one processor to perform the hydrogen leak detection method according to an embodiment of the present invention.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, where computer instructions are stored, and the computer instructions are configured to, when executed by a processor, implement the hydrogen leakage detection method according to the embodiment of the present invention.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a hydrogen leakage detection method, wherein the hydrogen state change rate of each hydrogen measurement subarea is determined according to the measurement data of a hydrogen sensor; the hydrogen leakage state is determined according to the hydrogen state change rate in at least two time periods, and when the hydrogen leakage state is detected based on the hydrogen state change rate, the hydrogen leakage detection can be realized before hydrogen accumulation, the hysteresis of the hydrogen leakage detection is small, in addition, the hydrogen leakage detection is performed based on the hydrogen state change rate of each hydrogen measurement subarea, the position of a hydrogen leakage point can be specifically judged, and the judgment precision of the position of the hydrogen leakage point is higher.
Drawings
FIG. 1 is a flowchart of a hydrogen leak detection method in the embodiment;
FIG. 2 is a schematic view of a hydrogen gas measurement sensor arrangement in the embodiment;
FIG. 3 is a schematic view of a hydrogen measurement sensor arrangement in an embodiment;
FIG. 4 is a flowchart of another hydrogen leak detection method in the embodiment;
FIG. 5 is a flowchart of another hydrogen leak detection method in the embodiment;
fig. 6 shows a schematic structural diagram of an electronic device in the embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a hydrogen leakage detection method in an embodiment, and referring to fig. 1, the hydrogen leakage detection method includes:
s101, obtaining measurement data of the hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor.
Illustratively, in the present embodiment, the hydrogen gas leakage detection method is applied to leakage detection for a hydrogen gas storage device in a closed or semi-closed space (for example, a hydrogen storage tank provided at a rear compartment, a luggage compartment, or the like in a vehicle or a ship equipped with a fuel cell).
Fig. 2 is a schematic diagram showing the arrangement of hydrogen measurement sensors in an embodiment, and referring to fig. 2, in this embodiment, a plurality of hydrogen measurement sensors 3-1 are arranged at specified positions in a space 1 where a hydrogen storage device is placed, wherein the space 1 is divided into a plurality of hydrogen combination measurement sections 2, and each hydrogen combination measurement section 2 includes a plurality of (at least one) hydrogen measurement sections 3.
For example, in the present embodiment, the arrangement of the hydrogen measurement sensors is not particularly limited, the number of the hydrogen measurement sensors 3-1 in each hydrogen measurement partition 3 may be different, and each hydrogen measurement partition 3 includes at least one hydrogen measurement sensor 3-1.
For example, in this embodiment, the hydrogen measurement sensors are arranged according to the scheme shown in fig. 2, so that hydrogen measurement data of a plurality of positions in the space where the hydrogen storage device is placed can be obtained, and the detection accuracy in the subsequent hydrogen leakage detection is further improved.
In the present embodiment, the measurement data of the hydrogen measurement sensor is taken as the hydrogen sensor measurement data.
Illustratively, in this embodiment, the hydrogen measurement sensor is at least used for measuring the concentration of hydrogen, and the hydrogen sensor measurement data at least includes hydrogen concentration data.
For example, in the present embodiment, the hydrogen state change rate may be a hydrogen concentration change rate, or a hydrogen concentration change rate and a hydrogen flow direction.
Fig. 3 is a schematic layout of hydrogen measurement sensors in the example, and referring to fig. 3, in an embodiment, the hydrogen measurement sensors may be uniformly arranged in a matrix form in a plane in each hydrogen measurement zone.
Exemplarily, with hydrogen measurement sensor in a plane according to the matrix evenly arrange can hydrogen measurement sensor lay the degree of difficulty, guarantee hydrogen leakage detection's detection precision simultaneously to a certain extent.
On the basis of the hydrogen measurement sensor arrangement shown in fig. 3, the hydrogen flow direction can be determined as follows:
setting the flowing direction of hydrogen in each hydrogen measuring subarea between two adjacent collecting moments to be unique, determining the hydrogen concentration change rate of each hydrogen concentration collecting point (the position of each hydrogen measuring sensor) at the first moment, and recording as a first hydrogen concentration change rate;
determining the hydrogen concentration change rate of each hydrogen concentration acquisition point at the second moment, and recording as a second hydrogen concentration change rate;
determining a point with negative hydrogen concentration and a point with positive hydrogen concentration in each hydrogen concentration acquisition point according to the first hydrogen concentration change rate and the second hydrogen concentration change rate;
a point that is negative with respect to the hydrogen gas concentration is referred to as a first point, a region including the first point is referred to as a first region, a point that is positive with respect to the hydrogen gas concentration is referred to as a second point, and a region including the second point is referred to as a second region;
and taking the vector direction of the centroid of the first area pointing to the centroid of the second area as the flow direction of the hydrogen in the hydrogen measurement subarea.
And S102, determining a hydrogen leakage state according to the hydrogen state change rate in at least two time periods.
For example, in the present embodiment, the hydrogen gas state change rate in each period of time used when determining the hydrogen gas leakage state includes the hydrogen gas state change rate of all the hydrogen gas measurement zones.
Illustratively, in the present embodiment, the hydrogen leakage state may include a hydrogen leakage point and a hydrogen leakage type.
For example, on the basis of the scheme shown in fig. 2, taking the hydrogen state change rate as the hydrogen concentration change rate as an example, the determination of the hydrogen leakage state according to the hydrogen state change rate may be:
judging whether the hydrogen concentration change rate of at least one hydrogen concentration acquisition point in the hydrogen measurement subarea is positive, if so, searching a hydrogen combination measurement subarea containing the hydrogen measurement subarea;
further searching a set point corresponding to the hydrogen combination measurement partition, and taking the set point as a hydrogen leakage point;
and if hydrogen concentration acquisition points with positive hydrogen concentration change rates exist in at least one hydrogen measurement subarea in two time periods, determining that the hydrogen leakage points leak hydrogen continuously, or else, determining that the hydrogen leakage points leak hydrogen discontinuously.
For example, based on the scheme shown in fig. 3, taking the hydrogen state change rate as the hydrogen concentration change rate and the hydrogen flow direction as an example, the determination of the hydrogen leakage state according to the hydrogen state change rate may be:
judging whether the hydrogen combination measuring subarea has the hydrogen concentration change rate of the hydrogen concentration acquisition point of at least one hydrogen measuring subarea;
if so, determining the flow direction of the hydrogen in the hydrogen measurement subarea, and taking the flow direction as the hydrogen flow direction of the hydrogen combination measurement subarea comprising the hydrogen measurement subarea;
searching a set point corresponding to a hydrogen flow direction source (determined by a vector direction starting point) in the hydrogen combination measurement subarea, and taking the set point as a hydrogen leakage point;
and if hydrogen concentration acquisition points with positive hydrogen concentration change rates exist in at least one hydrogen measurement subarea in two time periods, determining that the hydrogen leakage points leak hydrogen continuously, otherwise, determining that the hydrogen leakage points leak hydrogen discontinuously.
In this scheme, when judging hydrogen leakage point position, adopt hydrogen flow direction as the judgement basis simultaneously, can improve hydrogen leakage detection's accuracy.
For example, in one possible embodiment, determining the hydrogen leak condition based on the rate of change of hydrogen condition over at least two periods of time includes:
and determining the hydrogen leakage state by using the hydrogen state change rate in at least two time periods and the hydrogen measurement subarea space data.
In the present embodiment, the hydrogen measurement partition space data includes hydrogen measurement partition boundary data and measurement partition internal space component arrangement data.
In this embodiment, the boundary data of the hydrogen measurement partition is: hydrogen gas measures the dimensional parameters of the zone boundaries.
In this embodiment, the arrangement data of the components in the internal space of the measurement partition is: the category of each component in the hydrogen measuring subarea and the space three-dimensional position parameter of each component.
Illustratively, in the present embodiment, the determining the hydrogen leakage state specifically includes:
judging whether the hydrogen concentration change rate of the hydrogen concentration acquisition point of at least one hydrogen measurement subarea changes or not in the hydrogen combination measurement subareas;
if so, substituting the hydrogen concentration change rate of all hydrogen concentration acquisition points in the hydrogen measurement subarea, hydrogen measurement subarea boundary data and measurement subarea internal space component arrangement data into a preset neural network model, determining the flow direction of hydrogen in the hydrogen measurement subarea, and taking the hydrogen flow direction as the hydrogen flow direction of a hydrogen combination measurement subarea comprising the hydrogen measurement subarea;
searching a set point corresponding to a hydrogen flow direction source (determined by a vector direction starting point) in the hydrogen combination measurement subarea, and taking the set point as a hydrogen leakage point;
and if hydrogen concentration acquisition points with positive hydrogen concentration change rates exist in at least one hydrogen measurement subarea in two time periods, determining that the hydrogen leakage points leak hydrogen continuously, otherwise, determining that the hydrogen leakage points leak hydrogen discontinuously.
In the scheme, when the hydrogen flowing direction is determined, the boundary data of the hydrogen measuring subarea and the arrangement data of the internal space components of the measuring subarea are referred at the same time, the calculated hydrogen flowing direction is closer to the actual condition, and the detection precision of hydrogen leakage detection can be further improved.
The embodiment provides a hydrogen leakage detection method, wherein the hydrogen state change rate of each hydrogen measurement subarea is determined according to the measurement data of a hydrogen sensor; the hydrogen leakage state is determined according to the hydrogen state change rate in at least two periods, and when the hydrogen leakage state is detected based on the hydrogen state change rate, the hydrogen leakage detection can be realized before hydrogen accumulation, the hysteresis of the hydrogen leakage detection is small, in addition, the hydrogen leakage detection is performed based on the hydrogen state change rate of each hydrogen measurement subarea, the position of a hydrogen leakage point can be specifically judged, and the judgment precision of the position of the hydrogen leakage point is higher.
Fig. 4 is a flow chart of another hydrogen leakage detection method in the example, and referring to fig. 4, as an embodiment, the hydrogen leakage detection method may further include:
s101, obtaining measurement data of the hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor.
And S102, determining a hydrogen leakage state according to the hydrogen state change rate in at least two time periods.
And S103, determining the hydrogen concentration of each hydrogen measurement partition, and generating a hydrogen measurement cloud picture by adopting the hydrogen concentrations of all the hydrogen measurement partitions.
For example, in this embodiment, generating the hydrogen measurement cloud specifically includes:
acquiring the hydrogen concentration measured by each hydrogen measuring sensor in the hydrogen measuring partition, and determining the hydrogen concentration of each virtual set point in the space by adopting a difference algorithm;
and generating a hydrogen measurement cloud chart for three-dimensional display by using the hydrogen concentrations of all the virtual set points.
In the present embodiment, the coordinate point in the hydrogen measurement cloud chart is (x, y, z, n), where x, y, z are three-dimensional spatial coordinates, and n is the hydrogen concentration corresponding to the coordinates.
For example, in the present embodiment, when the hydrogen measurement cloud chart is displayed, different colors or shapes can be used to distinguish different hydrogen concentrations.
In the scheme, the hydrogen concentration at different positions in the closed or semi-closed space can be intuitively reflected through the hydrogen measurement cloud picture, and a certain hydrogen concentration standard exceeding early warning effect can be played for a driver or a service platform.
Illustratively, in one possible embodiment, the method further comprises updating the hydrogen measurement cloud according to a specified time period.
Illustratively, at each update time, the hydrogen measurement cloud is generated in the same manner, namely: the hydrogen concentration for each virtual set point in the space is determined using a difference algorithm from the hydrogen concentration measured by all of the hydrogen measurement sensors.
For example, by using a hydrogen measurement cloud chart with continuous time, the flow direction of hydrogen and the hydrogen accumulation condition when hydrogen leakage occurs can be visually determined, and the above data (the flow direction of hydrogen and the hydrogen accumulation condition) can be used to:
the hydrogen storage device is taken as a basis for optimizing the arrangement mode of the hydrogen storage device in the closed or semi-closed space so as to reduce the condition of excessive hydrogen accumulation.
In this embodiment, for example, the hydrogen leakage state may be determined in an auxiliary manner based on a hydrogen measurement cloud chart with continuous time, and the method specifically includes:
according to the hydrogen concentration of all hydrogen concentration collection points in the hydrogen measurement subarea, taking the average value of the hydrogen concentrations as the hydrogen concentration of the hydrogen measurement subarea;
determining all hydrogen measuring subareas with hydrogen concentration exceeding a set threshold, respectively determining a set point corresponding to each hydrogen measuring subarea, and taking the set points as hydrogen leakage points;
judging whether the hydrogen concentration continuously exceeds a set threshold value, if so, judging the leakage type of the hydrogen leakage point to be continuous leakage;
and if the hydrogen concentration discontinuously exceeds the set threshold, judging that the leakage type of the hydrogen leakage point is discontinuous leakage.
Fig. 5 is a flow chart of another hydrogen leakage detection method in the example, and referring to fig. 5, as an embodiment, the hydrogen leakage detection method may further include:
s101, obtaining measurement data of the hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor.
And S102, determining a hydrogen leakage state according to the hydrogen state change rate in at least two time periods.
And S104, counting the occurrence frequency of hydrogen leakage points.
For example, in the present embodiment, the frequency of occurrence of each hydrogen leakage point in a unit time (for example, one month or one quarter) is counted, and the frequency data can be used as a basis for optimizing the design of the hydrogen storage device to reduce the occurrence of hydrogen leakage in the hydrogen storage device.
Illustratively, on the basis of the solutions shown in fig. 4 and 5, as an implementation, the hydrogen leakage detection method may further include:
s101, obtaining measurement data of the hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor.
S102, determining a hydrogen leakage state according to the hydrogen state change rate in at least two time periods.
And S103, determining the hydrogen concentration of each hydrogen measurement subarea, and generating a hydrogen measurement cloud picture by adopting the hydrogen concentrations of all the hydrogen measurement subareas.
And S104, counting the occurrence frequency of the hydrogen leakage points.
Example two
This embodiment proposes a hydrogen leakage detection device, including hydrogen leakage detection unit, hydrogen leakage detection unit is used for:
acquiring measurement data of a hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor;
and determining the hydrogen leakage state according to the hydrogen state change rate in at least two time periods, wherein the hydrogen state change rate in each time period comprises the hydrogen state change rate of all hydrogen measurement subareas.
For example, in the present embodiment, the hydrogen leakage detection unit may be provided in a vehicle (ship) -mounted controller, or may be provided in a dedicated vehicle (ship) -mounted hydrogen safety management system.
Illustratively, in this embodiment, the hydrogen leakage detecting unit may specifically include: the device comprises a data acquisition module, a leakage type judgment module, a leakage position positioning module, a cloud picture generation module, a leakage point statistic module and a communication module.
For example, in this embodiment, the data obtaining module may be configured to: and acquiring the measurement data of the hydrogen sensor.
For example, in this embodiment, the cloud image generation module may be configured to: generating a hydrogen measurement cloud picture; the hydrogen measurement cloud is updated according to a specified time period.
For example, in this embodiment, the leakage type determining module may be configured to: determining the hydrogen leakage type according to the hydrogen concentration change rate; and acquiring a hydrogen measurement cloud picture, and determining the hydrogen leakage type according to data contained in the hydrogen measurement cloud picture.
For example, in this embodiment, the leak location module may be configured to: determining a hydrogen leakage point by using the hydrogen state change rate; and acquiring a hydrogen measurement cloud picture, and determining a hydrogen leakage point according to data contained in the hydrogen measurement cloud picture.
For example, in this embodiment, the leak statistics module may be configured to: and counting the occurrence frequency of hydrogen leakage points.
For example, in this embodiment, the communication module may be configured to: and the hydrogen leakage type information and the hydrogen measurement cloud chart are communicated with a whole vehicle display screen or a service platform and are sent to the whole vehicle display screen or the service platform.
For example, in this embodiment, a hydrogen leakage detection unit may be configured according to design requirements to implement any one of the hydrogen leakage detection methods described in the first embodiment, and the specific implementation process and beneficial effects thereof are the same as the corresponding contents described in the first embodiment, and detailed descriptions of the specific contents are omitted.
EXAMPLE III
FIG. 6 illustrates a schematic structural diagram of an electronic device 10 that may be used to implement an embodiment of the present invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. The electronic device may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 6, the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, and the like, wherein the memory stores a computer program executable by the at least one processor, and the processor 11 can perform various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from a storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data necessary for the operation of the electronic apparatus 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to the bus 14.
A number of components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, or the like; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network such as the internet and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various dedicated Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, and so forth. The processor 11 performs the various methods and processes described above, such as the hydrogen leak detection method.
In some embodiments, the hydrogen leak detection method may be implemented as a computer program tangibly embodied in a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the hydrogen leak detection method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the hydrogen leak detection method by any other suitable means (e.g., by way of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuitry, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), system on a chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs that are executable and/or interpretable on a programmable system including at least one programmable processor, which may be special or general purpose, receiving data and instructions from, and transmitting data and instructions to, a storage system, at least one input device, and at least one output device.
Computer programs for implementing the methods of the present invention can be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be performed. A computer program can execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. A computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) by which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user can be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic, speech, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a back-end component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such back-end, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. A client and server are generally remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical host and VPS service are overcome.
It is to be noted that the foregoing description is only exemplary of the invention and that the principles of the technology may be employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. A hydrogen leak detection method, characterized by comprising:
acquiring measurement data of a hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor;
determining a hydrogen leak condition from the hydrogen condition change rates over at least two periods of time, wherein the hydrogen condition change rate over each period of time includes the hydrogen condition change rates of all of the hydrogen measurement zones.
2. The hydrogen leak detection method according to claim 1, wherein the hydrogen gas state change rate includes a hydrogen gas concentration change rate, a hydrogen gas flow direction.
3. A hydrogen leak detection method in accordance with claim 1, wherein determining a hydrogen leak condition from the hydrogen condition change rate over at least two periods of time comprises:
determining the hydrogen leakage state by using the hydrogen state change rate and the hydrogen measurement partition space data;
wherein the hydrogen measurement subarea space data comprises hydrogen measurement subarea boundary data and measurement subarea internal space component arrangement data.
4. The hydrogen leak detection method according to claim 2, further comprising determining a hydrogen concentration of each of the hydrogen measurement zones;
and generating a hydrogen measurement cloud picture by using the hydrogen concentration of all the hydrogen measurement subareas.
5. The hydrogen leak detection method of claim 4, further comprising updating the hydrogen measurement cloud map according to a specified time period.
6. The hydrogen leakage detection method according to claim 4, wherein the hydrogen leakage state includes a hydrogen leakage type;
and determining the hydrogen leakage type according to the hydrogen concentration and the hydrogen concentration change rate, wherein the hydrogen leakage type comprises continuous leakage and intermittent leakage.
7. The hydrogen leak detection method according to claim 1, wherein the hydrogen leak condition includes a hydrogen leak point;
and counting the occurrence frequency of the hydrogen leakage points.
8. A hydrogen leakage detection device, characterized by comprising a hydrogen leakage detection unit for:
acquiring measurement data of a hydrogen sensor, and determining the hydrogen state change rate of each hydrogen measurement partition according to the measurement data of the hydrogen sensor;
determining a hydrogen leak condition based on the hydrogen condition change rates over at least two time periods, wherein the hydrogen condition change rate over each time period comprises the hydrogen condition change rates of all of the hydrogen measurement zones.
9. An electronic device comprising at least one processor, and a memory communicatively coupled to the at least one processor;
the memory stores a computer program executable by the at least one processor, the computer program being executable by the at least one processor to enable the at least one processor to perform the hydrogen leak detection method of any one of claims 1-7.
10. A computer-readable storage medium storing computer instructions for causing a processor to perform the hydrogen leak detection method of any one of claims 1-7 when executed.
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| CN202211250310.XA CN115326295B (en) | 2022-10-13 | 2022-10-13 | Hydrogen leakage detection method, device, equipment and storage medium |
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