CN114458942B - Intelligent hydrogen bottle - Google Patents
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- CN114458942B CN114458942B CN202111633337.2A CN202111633337A CN114458942B CN 114458942 B CN114458942 B CN 114458942B CN 202111633337 A CN202111633337 A CN 202111633337A CN 114458942 B CN114458942 B CN 114458942B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/14—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/035—Orientation with substantially horizontal main axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the field of new energy, and relates to an intelligent hydrogen bottle which comprises a bottle body and a controller, wherein a hydrogen charging/releasing pipe and a heat exchange device are arranged on the bottle body, the controller comprises a pressure sensor, a temperature sensor, an electromagnetic valve, a flowmeter and a single chip microcomputer, the pressure sensor, the temperature sensor and the flowmeter are respectively and electrically connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the electromagnetic valve, the pressure sensor and the temperature sensor are arranged in the bottle body, the flowmeter is arranged on the hydrogen charging/releasing pipe of the bottle body, the electromagnetic valve is arranged on the hydrogen charging/releasing pipe of the bottle body, and two execution modules are arranged in the single chip microcomputer: one is a hydrogen filling module, and the other is a hydrogen release detection module. The hydrogen filling device comprises a hydrogen filling module, a hydrogen release detection module and the like, wherein the hydrogen filling module is used for filling hydrogen into the hydrogen bottle, the hydrogen release detection module is used for detecting the pressure and temperature information in the hydrogen bottle, the hydrogen filling process is controlled by a controller, and the hydrogen filling/releasing process is monitored by the pressure information.
Description
Technical Field
The invention belongs to the field of new energy, relates to a storage device, and particularly relates to an intelligent hydrogen bottle which is used for storing hydrogen and can be intelligently controlled.
Background
Under the background that the problems of environment, energy and the like are increasingly prominent, new energy which is based on new technology and new materials and is characterized by environmental protection and regeneration is more and more emphasized by various countries, and hydrogen energy is used as a zero-carbon energy form, has the characteristics of high energy density, high combustion heat value, wide source, compressibility, storability, renewability and the like, is distinguished in the field of new energy, and becomes an object of key development of various countries.
One of the primary directions of application of hydrogen energy is hydrogen energy fuel, e.g., as a fuel source for vehicles. Nowadays, the storage mode of hydrogen on vehicles, especially on fuel cell automobiles is mainly in the form of high-pressure gas, and the hydrogen has the characteristics of low density, difficulty in liquefaction and the like, so that the problems of difficulty in storage, unsafe high-pressure storage and the like exist. At present, although many improvements have been made to a hydrogen cylinder (hydrogen cylinder) which is an important place in hydrogen fuel application technology, the direction of improvement and design is mainly how to increase hydrogen storage capacity, improve hydrogen storage safety, and the like. In three links of filling, storage and transportation and release of the hydrogen bottle, the internal temperature of the hydrogen bottle rises sharply in the hydrogen filling process due to the specific negative Joule-Thompson effect of hydrogen and the rapid compression of hydrogen, so that potential safety hazards are caused. The safety problem of hydrogen in the filling process limits the commercial development of fuel automobiles, and how to control the internal temperature of a hydrogen bottle and realize safe, quick and efficient filling of hydrogen becomes a hot problem of domestic and foreign research.
The hydrogen storage alloy can absorb hydrogen and release hydrogen at a certain temperature and pressure, and the hydrogen storage alloy is used for storing hydrogen, so that the hydrogen storage alloy has the characteristics of large hydrogen storage capacity, low energy consumption, low working pressure and convenience in use, and a huge steel container can be omitted, so that the hydrogen storage alloy is convenient and safe to store and transport. Researchers can improve the hydrogen storage amount of the hydrogen bottle by arranging the hydrogen storage alloy in the hydrogen bottle according to the characteristics of hydrogen and the special performance of the hydrogen storage alloy. However, the problems of aging of hydrogen storage alloy, attenuation of hydrogen absorption capacity, unsmooth hydrogen release and the like can occur in the circulation process of hydrogen absorption and hydrogen release, and the normal use of the hydrogen bottle is influenced.
Disclosure of Invention
The invention aims to provide an intelligent hydrogen bottle, which utilizes a sensor to acquire pressure and temperature information in the hydrogen bottle, controls the air inlet flow during hydrogen filling through a controller to slowly raise the temperature in the hydrogen bottle, avoids potential safety hazards caused by rapid temperature rise in the hydrogen bottle due to over-rapid hydrogen filling, and simultaneously utilizes pressure information to monitor the hydrogen filling/releasing process to provide a basis for normal use of the hydrogen bottle.
The technical scheme adopted by the invention is as follows:
an intelligent hydrogen bottle comprises a bottle body, wherein a hydrogen charging/releasing pipe is arranged on the bottle body, a heat exchange device for providing a circulating heat exchange medium is arranged on the outer wall of the bottle body, hydrogen storage alloy is arranged in the bottle body, and the intelligent hydrogen bottle also comprises a controller, wherein the controller comprises a pressure sensor, a temperature sensor, an electromagnetic valve, a flow meter and a single chip microcomputer, the pressure sensor, the temperature sensor and the flow meter are respectively and electrically connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the electromagnetic valve, and the pressure sensor and the temperature sensor are arranged in the bottle body and are used for acquiring the pressure and the temperature in the bottle body in real time and converting the pressure and temperature information into signals to be transmitted to the single chip microcomputer; the flow meter is arranged on the hydrogen filling/releasing pipe of the bottle body, the single chip microcomputer obtains flow information in unit time by using the flow meter and accumulates the flow information to finally obtain the total gas inlet amount during hydrogen filling or the total gas outlet amount during hydrogen releasing; the electromagnetic valve is arranged on the hydrogen filling/releasing pipe of the bottle body, and the singlechip adjusts the opening degree of the electromagnetic valve according to a set threshold value so as to control the air inflow during hydrogen filling or the air outflow during hydrogen releasing; two execution modules are arranged in the single chip: one is a hydrogen filling module, and the other is a hydrogen release detection module. Different processes select different execution modules: the hydrogen filling module is selected when the hydrogen is filled, and the hydrogen release detection module is selected when the bottle body releases the hydrogen.
The hydrogen filling module is used for controlling a hydrogen filling process and is provided with a temperature change rate threshold value, a characteristic curve of pressure and total hydrogen amount and a pressure maximum value threshold value, because the temperature in a bottle body can rise in the hydrogen filling process, the opening degree of an electromagnetic valve is adjusted through the single chip microcomputer according to the temperature change rate threshold value, so that the air inflow during hydrogen filling is controlled, the phenomenon that the temperature in the bottle body rises too fast due to overlarge filling amount is avoided, meanwhile, according to the characteristic curve of the pressure and the total hydrogen amount in the hydrogen bottle filling process, the single chip microcomputer obtains flow information in unit time by using a flowmeter and accumulates the total intake amount, the total hydrogen amount in the bottle is finally obtained through conversion, the single chip microcomputer compares the pressure information obtained according to a pressure sensor, the total hydrogen amount information and the characteristic curve, and the pressure in the bottle rises to generate deviation (is not consistent with the characteristic curve), and then the hydrogen bottle is judged to have a fault: if the temperature is higher than the characteristic curve, the hydrogen absorbing alloy fails (aging fails to store hydrogen, etc.), and if the temperature is lower than the characteristic curve, the hydrogen cylinder leaks. The singlechip sends alarm information to remind a worker or a user; when the pressure in the bottle reaches the pressure maximum value threshold value, the single chip outputs an instruction to close the electromagnetic valve, and the filling is stopped.
The hydrogen release detection module is used for monitoring the hydrogen release process, judging whether the hydrogen storage alloy is normal or not according to the pressure change of the hydrogen release process, and is provided with a characteristic curve of pressure and total hydrogen amount, wherein the pressure drop process of the hydrogen release process is just opposite to the pressure rise process during hydrogen filling, the single chip microcomputer acquires flow information in unit time by using a flowmeter and accumulates the flow information to obtain total gas outlet amount, the total hydrogen amount in the bottle is finally obtained through conversion, the single chip microcomputer compares the pressure information and the total hydrogen amount information acquired by the pressure sensor with the characteristic curve, and if the pressure drop in the bottle deviates (and does not accord with the characteristic curve), the hydrogen storage alloy is judged to be in fault (aging cannot release hydrogen and the like), and the single chip microcomputer sends alarm information to remind a worker or a user.
As a further improvement of the invention, the bottle body is provided with a positioning system, so that the positioning of the hydrogen bottle can be realized.
As a further improvement of the invention, the controller also comprises an alarm, the alarm is connected with the output end of the singlechip, and the singlechip starts the alarm to give an alarm sound after monitoring that the hydrogen bottle has a fault.
As a further improvement of the invention, the controller also comprises a hydrogen release flow control module, and the hydrogen release flow control module controls the opening degree of the electromagnetic valve through inputting instructions or acquired related information so as to control the hydrogen output quantity in the hydrogen release process.
As a further improvement of the invention, the system also comprises a display, wherein the display is electrically connected with the controller and is used for displaying data obtained by the controller (singlechip).
The hydrogen filling module, the hydrogen release detection module, the hydrogen release flow control module and the like are arranged, the pressure and temperature information in the bottle is obtained by the sensor and displayed in real time, the air inlet flow during hydrogen filling is controlled by the controller, so that the temperature in the bottle is slowly increased, potential safety hazards caused by rapid temperature increase in the bottle due to over-rapid hydrogen filling are avoided, meanwhile, the hydrogen filling/releasing process is monitored by utilizing the pressure information, a basis is provided for normal use of the hydrogen bottle, and the opening temperature of the electromagnetic valve is controlled by inputting an instruction or the obtained related information, so that the hydrogen output quantity in the hydrogen releasing process is controlled, and the safe use of the hydrogen bottle is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a diagram of the hydrogen filling module architecture of the present invention.
FIG. 3 is a schematic diagram of a hydrogen evolution detection module according to the present invention.
In the figure: 1. a bottle body; 2. a controller; 3. a flow meter; 4. an electromagnetic valve; 5. a hydrogen charging/discharging tube.
Detailed Description
The invention will now be further described, by way of example only, and not by way of limitation, with reference to the accompanying drawings.
In the structure shown in fig. 1, the intelligent hydrogen bottle designed by the invention comprises a bottle body 1 and a controller 2, wherein a hydrogen filling/releasing pipe 5 is arranged on the bottle body, a heat exchange device for providing a circulating heat exchange medium is arranged on the outer wall of the bottle body 1, a positioning system is arranged on the bottle body, and the position information of the hydrogen bottle is transmitted to a user or a server by utilizing a network system (such as a 5G/4G network, an ethernet network, a Wi-Fi wireless network, a Zigbee network and a bluetooth network) to realize the positioning of the hydrogen bottle. The hydrogen storage alloy is arranged in the bottle body 1, so that the hydrogen storage amount can be effectively improved. The controller 2 is arranged near the hydrogen charging/releasing pipe 5 to facilitate line connection and reduce the whole volume, the controller 2 comprises a pressure sensor, a temperature sensor, a solenoid valve 4, a flowmeter 3, an alarm and a single chip microcomputer, the pressure sensor, the temperature sensor and the flowmeter 3 are respectively and electrically connected with the input end of the single chip microcomputer, and the output end of the single chip microcomputer is electrically connected with the solenoid valve 4 and the alarm. The pressure sensor and the temperature sensor are arranged in the bottle body and used for collecting pressure and temperature in the bottle body in real time, converting the pressure and temperature information into signals and transmitting the signals to the single chip microcomputer. The flowmeter 3 is arranged on a hydrogen filling/releasing pipe 5 of the bottle body, and the singlechip acquires flow information in unit time by using the flowmeter and accumulates the flow information to finally obtain the total gas inlet amount during hydrogen filling or the total gas outlet amount during hydrogen releasing. The electromagnetic valve 4 is arranged on a hydrogen filling/releasing pipe 5 of the bottle body, and the singlechip adjusts the opening degree of the electromagnetic valve according to a set threshold value, thereby controlling the air inflow during hydrogen filling or the air outflow during hydrogen releasing. The single chip microcomputer outputs an instruction to start the alarm to give an alarm after monitoring that the hydrogen bottle has a fault. Two execution modules are arranged in the singlechip: one is a hydrogen filling module, the other is a hydrogen release detection module, and different execution modules can be selected in different processes in a command input mode: the hydrogen filling module is selected when the hydrogen is filled, and the hydrogen releasing detection module is selected when the bottle body releases the hydrogen.
The hydrogen filling module is configured as shown in fig. 2, and is configured to control a hydrogen filling process of the bottle body, and is provided with a temperature change rate threshold of 1-2 ℃/min, a characteristic curve of pressure and total hydrogen amount, and a pressure maximum threshold (which can be finally determined according to factors such as structural rigidity and volume of the bottle body and adopted hydrogen storage alloy and according to pressure-resistant data detected by a test). According to the temperature change rate threshold value, the temperature sensor collects temperature information in the bottle in real time and converts the temperature information into a signal to be transmitted to the single chip microcomputer, the single chip microcomputer converts the obtained temperature signal to obtain the temperature change rate, the opening degree of the electromagnetic valve is adjusted according to the temperature change rate, air inflow during hydrogen filling is controlled, the phenomenon that the temperature in the bottle body rises too fast due to overlarge filling amount is avoided, meanwhile, according to a characteristic curve of pressure and the total amount of hydrogen in a hydrogen bottle (hydrogen storage alloy) filling process (the pressure in the bottle is gradually increased when the pressure in the bottle is increased, the amount of hydrogen in the bottle is gradually increased, the temperature in the bottle is also gradually increased, when the pressure and the temperature reach certain values, the hydrogen storage alloy starts to react with the hydrogen to generate metal hydride, at the moment, the amount of hydrogen in the bottle is increased but the pressure is slowly increased or fixed, when the hydrogen storage alloy is saturated, the hydrogen storage alloy does not react with the hydrogen, the pressure in the bottle is gradually increased), the pressure sensor obtains pressure information in the bottle in real time and transmits the pressure information in the bottle to the single chip microcomputer, meanwhile, the total amount of the gas in unit time is obtained by accumulating by utilizing the flow information of the single chip microcomputer, and the total amount of the hydrogen in the unit time is finally obtained by conversion. The singlechip compares pressure information, total hydrogen amount information in the bottle with the characteristic curve, and the pressure rise in the bottle has deviation (does not accord with the characteristic curve), then judges that the hydrogen bottle breaks down: if the temperature is higher than the characteristic curve, the hydrogen storage alloy fails (the hydrogen storage alloy is aged, hydrogen cannot be stored, etc.); if the hydrogen leakage is lower than the characteristic curve, the hydrogen bottle leaks, and at the moment, the single chip microcomputer outputs an instruction to start the alarm to give an alarm. When the pressure in the bottle reaches the pressure maximum value threshold value, the single chip outputs an instruction to close the electromagnetic valve, and the filling is stopped.
The hydrogen release detection module is configured as shown in fig. 3 and is used for monitoring the hydrogen release process, judging whether the hydrogen storage alloy is in a normal state or not according to the pressure change of the hydrogen release process, setting a characteristic curve of pressure and total hydrogen amount, wherein the pressure drop process of the hydrogen release process is just opposite to the pressure rise process of the hydrogen filling process, the pressure sensor obtains pressure information in the bottle in real time in the hydrogen release process and transmits the pressure information to the singlechip, the singlechip obtains flow information in unit time by using a flowmeter and accumulates the flow information to obtain total gas outlet amount, and the total real-time hydrogen amount in the bottle is finally obtained through conversion. The single chip microcomputer compares the pressure information and the total hydrogen amount information in the hydrogen storage alloy bottle with the characteristic curve, the pressure drop in the hydrogen storage alloy bottle conforms to the characteristic curve, the hydrogen storage alloy is normal, if deviation (which is not consistent with the characteristic curve) occurs, the hydrogen storage alloy is judged to be in fault (aging cannot release hydrogen, and the like), and the single chip microcomputer outputs an instruction to start an alarm to give an alarm.
When the hydrogen storage device is implemented, the hydrogen bottle structure and the hydrogen storage alloy are different, so that the pressure change in the hydrogen bottle is also different, and when the hydrogen storage device is specifically applied, the hydrogen bottle is subjected to platform test to obtain parameters, a characteristic curve of the pressure and the total amount of hydrogen is drawn, and then the characteristic curve is arranged in the single chip microcomputer.
When the invention is implemented, a hydrogen release flow control module can be arranged on the controller, and the opening degree of the electromagnetic valve is controlled by using an input instruction mode or acquired related information (including application scenes, such as the hydrogen demand of a fuel cell automobile and the like), so that the hydrogen output quantity in the hydrogen release process is controlled.
In the implementation of the invention, in order to intuitively know the relevant data (temperature, pressure, total amount of inlet air, total amount of outlet air and the like), a display can be arranged for displaying, and the display is electrically connected with the controller.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides an intelligence hydrogen bottle, includes the bottle, is provided with on the bottle and fills/release hydrogen pipe, and the bottle outer wall is provided with the heat transfer device who provides circulation heat transfer medium, is provided with hydrogen storage alloy in the bottle, its characterized in that: the bottle body is characterized by also comprising a controller, wherein the controller comprises a pressure sensor, a temperature sensor, an electromagnetic valve, a flowmeter and a single chip microcomputer, the pressure sensor, the temperature sensor and the flowmeter are respectively and electrically connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is electrically connected with the electromagnetic valve, and the pressure sensor and the temperature sensor are arranged in the bottle body and are used for acquiring the pressure and the temperature in the bottle body in real time and converting the pressure and temperature information into signals to be transmitted to the single chip microcomputer; the flow meter is arranged on the hydrogen filling/releasing pipe of the bottle body, the single chip microcomputer obtains flow information in unit time by using the flow meter and accumulates the flow information to finally obtain the total gas inlet amount during hydrogen filling or the total gas outlet amount during hydrogen releasing; the electromagnetic valve is arranged on the hydrogen filling/releasing pipe of the bottle body; three execution modules are arranged in the single chip microcomputer: the hydrogen filling module, the hydrogen release detection module and the hydrogen release flow control module;
the hydrogen filling module is used for controlling the hydrogen filling process and is provided with a temperature change rate threshold value, a characteristic curve of pressure and total hydrogen amount and a pressure maximum value threshold value; open degree through the singlechip adjustment solenoid valve according to temperature change rate threshold value to air input when controlling hydrogen filling, simultaneously, according to the characteristic curve of hydrogen bottle filling in-process pressure and hydrogen total amount, the singlechip compares pressure information, hydrogen total amount information and characteristic curve, and the deviation appears in the pressure rise in the bottle, then judges that the hydrogen bottle breaks down: if the hydrogen storage alloy is higher than the characteristic curve, the hydrogen storage alloy fails, and if the hydrogen storage alloy is lower than the characteristic curve, the hydrogen bottle leaks; the singlechip sends alarm information to remind a worker or a user; when the pressure in the bottle reaches the pressure maximum threshold value, the single chip outputs a command to close the electromagnetic valve, and the filling is stopped;
the hydrogen release detection module is used for monitoring the hydrogen release process and is provided with a characteristic curve of pressure and total hydrogen amount, the single chip microcomputer compares pressure information and total hydrogen amount information with the characteristic curve, if the pressure in the bottle is reduced and deviates, the fault of the hydrogen storage alloy is judged, and the single chip microcomputer sends alarm information to remind a worker or a user;
the hydrogen release flow control module controls the opening degree of the electromagnetic valve through inputting instructions or acquired related information so as to control the hydrogen output quantity in the hydrogen release process.
2. The intelligent hydrogen bottle of claim 1, wherein: a positioning system is arranged on the bottle body.
3. The intelligent hydrogen bottle of claim 1, wherein: the controller also comprises an alarm, the alarm is connected with the output end of the single chip microcomputer, and the single chip microcomputer starts the alarm to give an alarm sound after monitoring that the hydrogen bottle breaks down.
4. The intelligent hydrogen bottle of claim 1, wherein: the display is electrically connected with the controller and used for displaying the data obtained by the controller.
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| CN202111633337.2A CN114458942B (en) | 2021-12-29 | 2021-12-29 | Intelligent hydrogen bottle |
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| CN202111633337.2A CN114458942B (en) | 2021-12-29 | 2021-12-29 | Intelligent hydrogen bottle |
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| CN114458942A CN114458942A (en) | 2022-05-10 |
| CN114458942B true CN114458942B (en) | 2022-12-06 |
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| JP4354122B2 (en) * | 2001-02-23 | 2009-10-28 | 本田技研工業株式会社 | Hydrogen supply device for fuel cell |
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| JP2003139298A (en) * | 2001-11-07 | 2003-05-14 | Nissan Motor Co Ltd | Hydrogen storage device and method for detecting remaining amount of hydrogen |
| JP2004144128A (en) * | 2002-10-22 | 2004-05-20 | Nissan Motor Co Ltd | Fuel gas filling device |
| CN103748722A (en) * | 2012-03-21 | 2014-04-23 | 奥迪股份公司 | Method for checking the gas tightness of a fuel cell system |
| CN106876749A (en) * | 2017-03-10 | 2017-06-20 | 同济大学 | A kind of on-vehicle fuel hydrogen management system |
| WO2019017150A1 (en) * | 2017-07-18 | 2019-01-24 | サンデン・オートモーティブクライメイトシステム株式会社 | Vehicular air conditioning device |
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