CN107816630A - A kind of hydrogenation machine and its control method with 3-axis acceleration sensor - Google Patents

A kind of hydrogenation machine and its control method with 3-axis acceleration sensor Download PDF

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Publication number
CN107816630A
CN107816630A CN201710987606.2A CN201710987606A CN107816630A CN 107816630 A CN107816630 A CN 107816630A CN 201710987606 A CN201710987606 A CN 201710987606A CN 107816630 A CN107816630 A CN 107816630A
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CN
China
Prior art keywords
axis acceleration
control module
threshold value
acceleration sensor
alarm threshold
Prior art date
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Granted
Application number
CN201710987606.2A
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Chinese (zh)
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CN107816630B (en
Inventor
徐伟林
姜文峰
施海涛
殷劲松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiagang Furui Hydrogen Energy Equipment Co ltd
Original Assignee
Zhangjiagang Furui Hydrogen Energy Equipment Co Ltd
Zhangjiagang Furui Special Equipment Co Ltd
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Priority to CN201710987606.2A priority Critical patent/CN107816630B/en
Publication of CN107816630A publication Critical patent/CN107816630A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/002Automated filling apparatus
    • F17C5/007Automated filling apparatus for individual gas tanks or containers, e.g. in vehicles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/02Special adaptations of indicating, measuring, or monitoring equipment
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05Size
    • F17C2201/054Size medium (>1 m3)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00Handled fluid, in particular type of fluid
    • F17C2221/01Pure fluids
    • F17C2221/012Hydrogen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107Single phase
    • F17C2223/0123Single phase gaseous, e.g. CNG, GNC
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03Control means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03Control means
    • F17C2250/032Control means using computers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04Indicating or measuring of parameters as input values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00Effects achieved by gas storage or gas handling
    • F17C2265/06Fluid distribution
    • F17C2265/061Fluid distribution for supply of supplying vehicles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45Hydrogen technologies in production processes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)

Abstract

The invention discloses a kind of hydrogenation machine with 3-axis acceleration sensor, it is characterised in that including a 3-axis acceleration sensor (i.e. 3-axis acceleration sensor AIS328DQ), it includes a communication unit and an interrupt output port;Module is controlled in one, it includes CPU processor, an edge triggered interruption mouth and a memory cell;Wherein described interrupt output port is connected to the edge triggered interruption mouth, and the communication unit is connected to the CPU processor, and stores parameter by the memory cell.

Description

A kind of hydrogenation machine and its control method with 3-axis acceleration sensor
Technical field
The present invention relates to hydrogenation machine vibration monitoring technical field, more particularly to a kind of adding with 3-axis acceleration sensor Hydrogen machine and its control method.
Background technology
As Hydrogen Technology is in the extensive use and rapid development of China, it is increasing to be hydrogenated with the market demand of machine, simultaneously The safe practice of hydrogenation machine is also more and more paid attention to and researched and developed.Domestic many enterprises pass through autonomous innovation and technology transfer The road being combined, all studied and improved in terms of the security of hydrogenation machine.
Filling medium due to being hydrogenated with machine is flammable explosion hazard gases, and its security requirement is high.For coming from ground level The shock of strenuous vibration and vehicle exterior is, it is necessary to be screened and make corresponding safety measure.Such as valve is closed, Stop filling, close power supply, alarm etc..But rarely the anticollision risk of technology reply hydrogenation machine, existing hydrogenation stations should at present To anticollision risk, only start with terms of the infrastructure of hydrogenation machine, anti-collision facility is set around hydrogenation machine, hit from vehicle Hit.In addition, when if hydrogen-storing device is adjacent with automobile passage in station, safety guide rail is set in adjacent side, but this is to hydrogenation The risk of collision understanding of machine is inadequate, and safeguard measure is done not strong.
Therefore, based on above-mentioned background, prior art is had yet to be improved and developed, it is necessary to develop to the vibrations of hydrogenation machine, touch The device reliably monitored such as hit, to improve the security of hydrogenation machine, reach more reliable, safety applications purposes.
The content of the invention
The main object of the present invention is to provide a kind of hydrogenation machine and its control method with 3-axis acceleration sensor, institute State 3-axis acceleration sensor external vibration signal can be converted into data signal and be easy to identify, can prevent hydrogenation machine from adding During note, cause conduit failure, hydrogenation plant to damage when running into vehicle lateral impact, ground level strenuous vibration and then trigger Hydrogen leak is dangerous, and the characteristics of colliding data signal and providing interrupt signal is identified by middle control module.
It is another object of the present invention to a kind of hydrogenation machine and its control method with 3-axis acceleration sensor, design are skilful It is wonderful, it is easy to maintenance, it is convenient to implement.
To reach above-mentioned purpose, a kind of hydrogenation machine with 3-axis acceleration sensor, it is characterised in that including
One 3-axis acceleration sensor (i.e. 3-axis acceleration sensor AIS328DQ), it is included in a communication unit and one Disconnected output port;
Module is controlled in one, it includes CPU processor, an edge triggered interruption mouth and a memory cell;
Wherein described interrupt output port is connected to the edge triggered interruption mouth, and the communication unit is connected to described CPU processor, and parameter is stored by the memory cell.
Preferably, the interrupt output port is a DO- digital output port, and the edge triggered interruption mouth receives The interrupt signal of the DO- digital output ports output feeds back to the CPU processor to perform the processing of associated safety program.
Preferably, wherein the communication unit can be SPI communication interface.
Preferably, the memory cell is settable related to hydrogenation machine startup to the 3-axis acceleration alarm threshold value of storage Security procedure.
According to one embodiment of the invention, wherein the middle control module further comprises a Card read/write and display unit, The CPU processor is read and write by described information and display unit input acceleration alarm threshold value, the CPU processor pass through institute State communication unit to be initialized and set the 3-axis acceleration alarm threshold value, when the acceleration alarm threshold value setup failed When, described information read-write and display unit can show fault message;It is described when the acceleration alarm threshold value is set successfully CPU processor performs the interrupt signal of 3-axis acceleration sensor feedback described in continuous circulatory monitoring or middle control module reads three Axle acceleration sensor sampled data, and sampled data can be stored by the memory cell.
Preferably, the middle control module voluntarily judges whether to collide according to the sampled data, when judging that transmission touches After hitting, the hydrogenation machine failure is prompted by described information read-write and display unit;When judge do not collide when, it is middle control module after 3-axis acceleration sensor sampled data is read in continuous circulation, can store sampled data by the memory cell.
According to one embodiment of the invention, wherein the acceleration fortune of detectable three axial directions of the 3-axis acceleration sensor It is dynamic, motion and inclination information are switched into high-resolution data signal, in real time the acceleration magnitude of uninterrupted three axles of monitoring and The alarm threshold value that module is set is controlled in collection, and further calculate the acceleration magnitudes of three current axles of hydrogenation machine with it is original right The difference of the alarm threshold value of each axle is answered, by judging whether the currently monitored 3-axis acceleration value exceedes described in alarm threshold value judgement Whether hydrogenation machine is collided, if transfinited, the 3-axis acceleration sensor exports corresponding interrupt signal.
Preferably, when the alarm threshold value is new, the middle control module reinitializes described three with new alarm threshold value The alarm threshold value of axle acceleration sensor, the 3-axis acceleration sensor enter the acceleration magnitude of collection and new alarm threshold value Row compares.
According to one embodiment of the invention, wherein the middle control module further comprises an operation execution unit, when described When CPU processor receives interrupt signal, the CPU processor performs the phase of hydrogenation machine startup by the operation execution unit Close security procedure.
Preferably, the security procedure may be set to for example close all magnetic valves automatically immediately, terminate current hydrogen Filling operates, provides the safety measures such as fault cues by Card read/write and display unit.
According to one embodiment of the invention, wherein the hydrogenation machine further comprises a supply unit, the supply unit Including guard grating, the middle control module for power supply is connected to by the guard grating.
On the other hand, the present invention provides a kind of control method of the hydrogenation machine with 3-axis acceleration sensor, its method Comprise the following steps:
(1) module initialization is controlled in and 3-axis acceleration alarm threshold value is set and judges feedback system and object;
(2) 3-axis acceleration sensor monitors and calculated in real time the acceleration magnitude of three axles and the difference of alarm threshold value and sentences Disconnected feedback system and object;
(3) control module monitors the interrupt signal of 3-axis acceleration sensor in real time in or middle control module reads three axles and accelerated Degree sensor sample data simultaneously judges feedback system and object according to monitoring result;
According to one embodiment of present invention, above method step (1) also includes judgment step:Middle control module judges three axles Whether acceleration alarm threshold value sets success, and when setting successfully, middle control module performs above-mentioned steps (3);It is unsuccessful when setting When, Card read/write and display unit prompt the information of the hydrogenation machine failure.
According to one embodiment of present invention, above method step (1) also includes judgment step:Middle control module judges whether New alarm threshold value is set, and when central control module sets new alarm threshold value, middle control module initializes three axles with new alarm threshold value and accelerated Spend alarm threshold value, while the acceleration magnitude and new alarm threshold value of 3-axis acceleration sensor monitoring in real time and three axles of calculating; When central control module is not provided with new alarm threshold value, 3-axis acceleration sensor monitors and calculated in real time the acceleration magnitude of three axles With the difference of the alarm threshold value of acquiescence.
According to one embodiment of present invention, above method step (2) also includes judgment step:3-axis acceleration sensor Judge whether the currently monitored 3-axis acceleration value exceedes alarm threshold value, judge to exceed, the 3-axis acceleration sensor output Corresponding interrupt signal, and return to the judgment step whether control module in execution sets new alarm threshold value;Judgement is no more than, and returns to The judgment step whether module sets new alarm threshold value is controlled in execution.
According to one embodiment of present invention, above method step (3) also includes judgment step:Central control module judges do not have When monitoring interrupt signal, continue cycling through monitoring 3-axis acceleration sensor and wait interrupt signal;Believe when judging to have to interrupt Number when, close all magnetic valves automatically immediately by operation execution unit, terminate current hydrogen filling and operate and pass through information Read-write and display unit provide fault cues;When central control module judges to collide according to sampled data, pass through Card read/write And display unit provides fault cues;When central control module judges not collide according to sampled signal, middle control module continues Read 3-axis acceleration sensor sampled data.
Brief description of the drawings
Fig. 1 is a kind of hydrogenation machine with 3-axis acceleration sensor according to the first preferred embodiment of the present invention Block diagram representation.
Fig. 2 is the stream that 3-axis acceleration sensor is used according to the middle control module of the first preferred embodiment of the present invention Journey schematic diagram.
Fig. 3 is illustrated according to a kind of flow of 3-axis acceleration sensor of the first preferred embodiment of the present invention Figure.
Embodiment
Below will the invention will be further described with embodiment in conjunction with the accompanying drawings so that the technology of any art Personnel can manufacture and using the present invention.Embodiment in the following description is only skilled to the field with modification thing as an example Technical staff will be apparent.The General Principle defined in the following description will be applied to other embodiments, substitute Thing, change thing, equivalence enforcement and application in, without departing from the spirit and scope of the present invention.
As shown in figure 1, according to a kind of with 3-axis acceleration sensor of the first preferred embodiment of the present invention Hydrogenation machine includes 3-axis acceleration sensor 10, and it includes interrupt output port 12 and communication unit 11;The middle control mould of hydrogenation machine Block 20 includes CPU processor 21, edge triggered interruption mouth 22 and memory cell 25;Wherein described interrupt output port 12 connects institute The edge triggered interruption mouth 22 of middle control module 20 is stated, the memory cell 25 of the middle control module 20 is stored with acceleration Parameter, the communication units 11 such as the associated safety program that alarm threshold value starts with hydrogenation machine are connected to the CPU processor 21.
The 3-axis acceleration sensor that the present invention uses is preferably the intelligent AIS328DQ chips of STMicw Electronics's production, its Communication unit and interrupt output port are integrated with, and possesses outstanding anticollision and anti-electromagnetic interference function, can detect three axial directions Acceleration movement, will motion and inclination information switch to high-resolution data signal.In the optional complete of ± 2g/ ± 4g/ ± 8g In range ability, the acceleration transducer can provide point-device data output, the long time running in range of working temperature Remain to keep remarkable stability.One 3-axis acceleration sensor can monitor a hydrogenation machine, be correctly installed to and be hydrogenated with The parallel position of machine vertical direction, make to detect on each direction.And according to non intelligent 3-axis acceleration sensor A microprocessor is then needed, microcontroller is sent to by the SPI or I2C interface of standard, with microprocessor integrated communicaton module The communication interface of RS232/485, CAN interface, SPI interface etc. can be increased, can also be used as standalone module.
Specifically, the interrupt output port 12 is a DO- digital output port, and the edge triggered interruption mouth 22 connects The interrupt signal for receiving the DO- digital output ports output is transferred to the CPU processor 21 to be handled.
Specifically, the communication unit 11 can be SPI communication interface.
Further, the middle control module 20 further comprises a Card read/write and display unit 23, the CPU processor 21 are read and write and the input acceleration alarm threshold value of display unit 23 by described information, and acceleration alarm threshold value could be arranged to- 78.4m/s2~78.4m/s2, the CPU processor 21 initialized by the communication unit 11 and sets 3-axis acceleration Alarm threshold value, when the acceleration alarm threshold value setup failed, described information read-write and display unit 23 can show that failure is believed Breath;When the acceleration alarm threshold value is set successfully, the CPU processor 21 performs three axles described in continuous circulatory monitoring and accelerated The interrupt signal or middle control module for spending sensor feedback read 3-axis acceleration sensor sampled data, can be deposited by described Storage unit stores sampled data.
Further, the middle control module 20 voluntarily judges whether to collide according to the sampled data, when judgement is sent out Collision rift is sent, the hydrogenation machine failure is prompted by described information read-write and display unit 23;It is described when judging not collide Middle control module 20, which continues cycling through, reads the 3-axis acceleration sensor sampled data.
Specifically, the 3-axis acceleration sensor 10 can monitor the acceleration movement of three axial directions, by motion and tilt Information switchs to high-resolution data signal, and control module 20 is set in the acceleration magnitude of real-time three axles of uninterrupted sampling and collection The alarm threshold value put, and further calculate the acceleration magnitude of three current axles of hydrogenation machine and the alarm of original corresponding each axle The difference of threshold value, by judging whether the currently monitored 3-axis acceleration value more than alarm threshold value judges whether the hydrogenation machine occurs Collision, if transfinited, the 3-axis acceleration sensor 10 exports corresponding interrupt signal.
When the alarm threshold value is new, the middle control module 20 reinitializes three axle with new alarm threshold value and accelerated The alarm threshold value of sensor 10 is spent, the 3-axis acceleration sensor 10 carries out the acceleration magnitude of collection and new alarm threshold value Compare.
Specifically, the middle control module 20 further comprises an operation execution unit 24, when the CPU processor 21 receives During to interrupt signal, the CPU processor 21 performs the associated safety journey of hydrogenation machine startup by the operation execution unit 24 Sequence.The security procedure may be set to for example close all magnetic valves automatically immediately, terminate current hydrogen filling operation, pass through Card read/write and display unit 23 provide the safety measures such as fault cues.
It is noted that the hydrogenation machine further comprises a supply unit (not shown), the supply unit Including guard grating, the middle control module 20 is connected to by the guard grating and powered.
As shown in Fig. 2 it is to be passed according to the middle control module of the first preferred embodiment of the present invention using 3-axis acceleration The method of sensor, its method comprise the following steps:(1) it is electric on hydrogenation machine;(2) control module sets 3-axis acceleration warning level in Value;(2) control module judges to set whether 3-axis acceleration alarm threshold value sets success in;(3) when setting successfully, middle control module The interrupt signal of monitoring 3-axis acceleration sensor or middle control module read 3-axis acceleration sensor sampled data in real time; (4) when setting unsuccessful, Card read/write and display unit prompt the hydrogenation machine failure;(5) control module monitors three axles in real time in The interrupt signal of acceleration transducer;(6) control module does not monitor interrupt signal among, continues cycling through the letters to be interrupted such as monitoring Number;(7) when control module monitors are to interrupt signal among, operation execution unit is closed all magnetic valves, terminated currently automatically immediately Hydrogen filling operate and fault cues are provided by Card read/write and display unit;(8) control module reads 3-axis acceleration in Sensor sample data;(9) when control module judges not collide according to gathered data among, middle control module continues reading three Axle acceleration sensor sampled data;(10) when control module judges that hydrogenation machine sends collision according to sampled data among, pass through Described information is read and write and display unit prompts the hydrogenation machine failure.
As shown in figure 3, the control according to a kind of 3-axis acceleration sensor of the first preferred embodiment of the present invention Method flow schematic diagram, its method comprise the following steps:(1) it is electric on 3-axis acceleration sensor;(2) module initialization is controlled in simultaneously 3-axis acceleration alarm threshold value is set;(3) control module judges whether to set new alarm threshold value in;(4) when judgement sets new alarm During threshold value, middle control module initializes 3-axis acceleration alarm threshold value with new alarm threshold value, while 3-axis acceleration sensor calculates The acceleration magnitude of three current axles and the difference of the alarm threshold value of newly-installed corresponding each axle;(5) when judgement is not provided with During new alarm threshold value, 3-axis acceleration sensor monitors and calculated in real time the acceleration magnitude and the alarm threshold value of acquiescence of three axles Difference;(6) 3-axis acceleration sensor judges whether the currently monitored 3-axis acceleration value exceedes alarm threshold value;(7) judgement is worked as More than when, the 3-axis acceleration sensor exports corresponding interrupt signal, and returns to whether middle control module sets new warning level The judgment step of value;(8) when judging to be no more than, the judgment step whether middle control module sets new alarm threshold value is returned to.
It should be understood by those skilled in the art that the embodiments of the invention shown in foregoing description and accompanying drawing are only used as illustrating And it is not intended to limit the present invention.The purpose of the present invention completely and effectively realizes.The function and structural principle of the present invention exists Show and illustrate in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.

Claims (10)

  1. A kind of 1. hydrogenation machine with 3-axis acceleration sensor, it is characterised in that including
    One 3-axis acceleration sensor (i.e. 3-axis acceleration sensor AIS328DQ), it includes a communication unit and an interruption is defeated Exit port;
    Module is controlled in one, it includes CPU processor, an edge triggered interruption mouth and a memory cell;
    Wherein described interrupt output port is connected to the edge triggered interruption mouth, and the communication unit is connected at the CPU Device is managed, and parameter is stored by the memory cell.
  2. 2. the hydrogenation machine according to claim 1 with 3-axis acceleration sensor, wherein the interrupt output port is One DO- digital output port, the edge triggered interruption mouth receive the interrupt signal of the DO- digital output ports output The CPU processor is fed back to perform the processing of associated safety program;The communication unit is SPI communication interface;The storage The associated safety program that unit is set and the 3-axis acceleration alarm threshold value of storage and hydrogenation machine start.
  3. 3. the hydrogenation machine according to claim 1 with 3-axis acceleration sensor, wherein the middle control module is further Including a Card read/write and display unit, the CPU processor is read and write by described information and display unit input acceleration report Alert threshold value, the CPU processor are initialized by the communication unit and set the 3-axis acceleration alarm threshold value.
  4. 4. the hydrogenation machine according to claim 1 with 3-axis acceleration sensor, wherein the middle control module is further Including an operation execution unit, when the CPU processor receives interrupt signal, the CPU processor passes through the operation Execution unit performs the associated safety program that hydrogenation machine starts;The security procedure may be set to close all electromagnetism automatically immediately Valve, terminate current hydrogen filling operation, by Card read/write and display unit provide in fault cues any one or it is more The safety measure of kind.
  5. 5. the hydrogenation machine according to claim 1 with 3-axis acceleration sensor, wherein the hydrogenation machine further wraps A supply unit is included, the supply unit is the middle control module for power supply.
  6. 6. a kind of control method of the hydrogenation machine with 3-axis acceleration sensor, its method comprise the following steps:
    (1) module initialization is controlled in and 3-axis acceleration alarm threshold value is set and judges feedback system and object;
    (2) 3-axis acceleration sensor monitors and calculated in real time the acceleration magnitude of three axles and the difference of alarm threshold value and judges anti- Feedback mode and object;
    (3) control module monitors the interrupt signal of 3-axis acceleration sensor in real time in or middle control module reads 3-axis acceleration and passed Sensor sampled data simultaneously judges feedback system and object according to monitoring result.
  7. 7. control method according to claim 6, step (1) also includes judgment step:Middle control module judges that three axles accelerate Whether degree alarm threshold value sets success, and when setting successfully, middle control module performs above-mentioned steps (3);When setting unsuccessful, letter Breath read-write and display unit prompt the information of the hydrogenation machine failure.
  8. 8. control method according to claim 6, step (1) also includes judgment step:Middle control module judges whether to set New alarm threshold value, when central control module sets new alarm threshold value, middle control module initializes 3-axis acceleration report with new alarm threshold value Alert threshold value, while the acceleration magnitude and new alarm threshold value of 3-axis acceleration sensor monitoring in real time and three axles of calculating;It is central When control module is not provided with new alarm threshold value, 3-axis acceleration sensor monitors and calculated in real time the acceleration magnitude of three axles and writes from memory The difference for the alarm threshold value recognized.
  9. 9. control method according to claim 6, step (2) also includes judgment step:3-axis acceleration sensor judges Whether the currently monitored 3-axis acceleration value exceedes alarm threshold value, judges to exceed, and the 3-axis acceleration sensor output is corresponding Interrupt signal, and return to perform in control module whether the judgment step of new alarm threshold value is set;Judgement is no more than, and returns to execution Whether middle control module sets the judgment step of new alarm threshold value.
  10. 10. control method according to claim 6, step (3) also includes judgment step:Central control module judges not supervise When measuring interrupt signal, continue cycling through monitoring 3-axis acceleration sensor and wait interrupt signal;When judging to have interrupt signal, Close all magnetic valves automatically immediately by operation execution unit, terminate current hydrogen filling operation and by Card read/write and Display unit provides fault cues;When central control module judges to collide according to sampled data, pass through Card read/write and display Unit provides fault cues;When central control module judges not collide according to sampled signal, middle control module continues reading three Axle acceleration sensor sampled data.
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Citations (5)

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