CN206516708U - Fuel system for unmanned plane fuel cell - Google Patents
Fuel system for unmanned plane fuel cell Download PDFInfo
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- CN206516708U CN206516708U CN201720152044.5U CN201720152044U CN206516708U CN 206516708 U CN206516708 U CN 206516708U CN 201720152044 U CN201720152044 U CN 201720152044U CN 206516708 U CN206516708 U CN 206516708U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
One fuel system for being used for the fuel cell of unmanned plane includes an at least fuel storage, at least a fuel channel and an at least fuel monitoring unit.The fuel storage device is set, to store the fuel needed for an electricity generation system of the fuel cell.The passage is set, and the fuel that the fuel storage is stored is directed to the electricity generation system of the fuel cell.The fuel monitoring unit is set, and the fuel and its parameter for detecting fuel system local environment with the fuel guided to the fuel stored by the fuel storage, by the fuel channel and the antivibration are monitored.
Description
Technical field
The utility model, which is related to one, is used for the fuel cell of unmanned plane, and being in more detail related to one is used for the fuel of unmanned plane
The fuel system and its detection method of battery.
Background technology
Unmanned plane refers to the push-button aircraft managed by remote control, and it includes remote control and autonomous flight aviation
Device.Energy supply system is the important component of unmanned plane.It is set, to be used to provide for energy, so as to drive nobody
Machine flies.As the energy supply system of unmanned plane, it should possess various excellent performances, to ensure the good flight of aircraft
Energy.
The weight of unmanned plane influences whether its flying quality, therefore the power that unmanned plane energy supply system can be provided
The proportion between weight is the important parameter for influenceing the energy supply system to be applied in unmanned plane with itself, and it can be to flying
The flying quality of row device produces very important influence.
Fuel cell is a kind of very common TRT.From fuel cell by utility model since, it is each in each row
Industry is widely used, and very many facilities are brought to human lives.According to different application fields and different applications
Demand is, it is necessary to configure different fuel cell parameters.
Fuel system is the important component of fuel cell, and it is used to provide for the combustion that fuel cell is able to normal work
Material.As a kind of airborne vehicle, unmanned plane has very strict requirement to the fuel system of its fuel cell, so as to ensure nobody
The good flying quality of machine, longer working time, and its good controllability.However, due to being fired by fuel cell
The influence of each side factor such as material system, existing unmanned plane is difficult to reach above-mentioned good performance.
Applicant of the present utility model is studied the fuel system of unmanned plane and its fuel cell and its fuel cell,
To improve the performance of unmanned plane.
Utility model content
A purpose of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, to improve the performance of the fuel cell, and then improves the performance of the unmanned plane.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, with it is safe and reliable, in time for the fuel cell electricity generation system provide abundance fuel, such as hydrogen.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
The major parameter of method, the wherein fuel system can be monitored in real-time.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, wherein the fuel system can take treatment measures automatically in the intended manner when there are abnormal conditions.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, to provide the fuel of cleaning, such as hydrogen.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, the wherein fuel system have warning function.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, the wherein fuel system can resist unmanned plane and be vibrated taking off, in normal flight and descent, tilt, accelerate, subtracting
The influence of the motion states such as speed.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Fuel storage device safety, the long lifespan of method, the wherein fuel system.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, the wherein fuel system are indicated to major parameter, to provide warning function.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, the wherein fuel system are applied to nobody flight environment of vehicle.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, the wherein fuel system and its coupling part between other systems of the fuel cell have good sealing
Property, so as to ensure safety.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, wherein the fuel system meets hydrogen characteristic, so as to be adapted to provide for hydrogen feed.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
The material selected by inner surface, parts or seal that method, wherein monomer apparatus connecting unit position, fuel are directly or indirectly contacted
The chemical composition and structure form of material can be adapted with the performance of fuel, such as when fuel is hydrogen, can avoid occurring
Hydrogen embrittlement, hydrogen-type corrosion, stress corrosion and the corrosion of other forms.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, wherein its cabin material being capable of moistureproof, waterproofs.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, wherein its cabin are using not so material, to avoid the generation of fire.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, wherein its cabin should be easily installed and dismantle or its cover plate is easy to folding, inspection and dimension in order to the fuel system
Shield.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
The pressure of method, wherein fuel can be monitored and can be by Real-time Feedback.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, such as fuel pressure that wherein fuel system can be provided, Hydrogen Vapor Pressure can be controlled, to meet pile need
Ask.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, wherein its pipeline have sealing, durability and robustness under its wirking pressure.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
The pipeline of method, the wherein fuel system, the arrangement of annex are in good order, collide and rub with adjacent component to avoid.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
The pipeline of method, the wherein fuel system includes hard tube road and flexible pipe road, wherein for there is the pipeline section significantly expanded with heat and contract with cold, fully
Eliminate to expand with heat and contract with cold using pipeline protection device and influence and realize function of seismic resistance.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
The electrical equipment of method, the wherein fuel system and wiring disclosure satisfy that in terms of mechanical strength, insulation and current carrying capacity
Safe handling is required.
Another object of the present utility model is fuel system and its detection for providing a fuel cell for being used for unmanned plane
Method, the material of the wherein fuel system electrical equipment can adapt to the use environment of the fuel system, and the machinery of its material is strong
Degree, electric simulation strength and thermal insulation are good, so as to can also play protective action when there is fire and accident.
By following description, other advantages and feature of the present utility model will become apparent, it is possible to pass through
The means and combination particularly pointed out in claims are accomplished.
According to the utility model, foregoing and other purposes and advantage can pass through a combustion for the fuel cell of unmanned plane
Material system realizes that it includes：
An at least fuel storage, to store the fuel needed for an electricity generation system of the fuel cell；
An at least fuel channel, the fuel that the fuel storage is stored is directed to the generating system of the fuel cell
System；With
An at least fuel monitoring unit, with what is guided to the fuel stored by the fuel storage, by the fuel channel
Fuel and the fuel and its parameter of the fuel system local environment are monitored.
According to some embodiments of the present utility model, the fuel monitoring unit includes an at least monitoring device and at least one control
Device processed, the wherein monitoring device are set, and to monitor the fuel and its parameter in the fuel system, the wherein controller is set
Put, to be controlled to the fuel and its parameter in the fuel system.
According to some embodiments of the present utility model, the controller includes an at least pressure control assembly, and it is set, with
The pressure for controlling the fuel flowed out from the fuel storage device to enter before the electricity generation system.
According to some embodiments of the present utility model, the monitoring device includes at least two pressure sensors, to supervise respectively
Fuel pressure after surveying the fuel pressure in the fuel storage device and being controlled by real-time pressure control assembly.
According to some embodiments of the present utility model, the pressure control assembly includes an at least pressure-reducing valve, with The fuel stream
Go out after the fuel storage to reduce the pressure of fuel.
According to some embodiments of the present utility model, the fuel monitoring unit further comprises an at least communication module, its
In the data transfer that the monitoring device can be monitored of the communication module to the controller, using the control as the controller according to
According to.
According to some embodiments of the present utility model, the controller further comprises a switch control assembly, and wherein this is opened
Close control assembly be set, with control the fuel storage device between the electricity generation system fuel whether circulation.
According to some embodiments of the present utility model, the switch control assembly includes an at least cylinder valve, and it is arranged at this
Fuel storage device, to control whether fuel can flow out from the fuel storage device.
According to some embodiments of the present utility model, the switch control assembly further comprises an at least magnetic valve, wherein
The magnetic valve is arranged at the position between the pressure-reducing valve and the electricity generation system, to control whether fuel can be flowed to this
Electricity generation system.
According to some embodiments of the present utility model, the pressure control assembly further comprises an at least relief valve, with
The pressure-reducing valve plays synergy, so that fuel pressure is reduced into a preset pressure value.
According to some embodiments of the present utility model, the relief valve is arranged at one between the pressure-reducing valve and the magnetic valve
Position, the wherein magnetic valve are arranged at the position between the relief valve and the electricity generation system.
According to some embodiments of the present utility model, the fuel monitoring unit further comprises that system is presented in an at least information
System, is presented with the parameter to fuel and sends alarm signal when fuel parameter reaches default value scope.
According to some embodiments of the present utility model, the fuel channel includes an at least flexible pipe road and an at least hard tube road,
To adapt to different pipeline demands respectively between the fuel storage device and the electricity generation system.
According to some embodiments of the present utility model, the monitoring device further comprises an at least temperature sensor, to supervise
Survey the temperature environment residing for the fuel system.
According to some embodiments of the present utility model, the controller further comprises an at least temperature control equipment, to control
Make the temperature of the environment residing for the fuel system.
According to some embodiments of the present utility model, the fuel storage device includes an at least fuel storage tank and at least one
Cabin, the wherein fuel storage tank be used to store fuel, and the wherein fuel storage tank is arranged in the cabin.
According to some embodiments of the present utility model, the fuel storage tank is hydrogen storage bottle, to store hydrogen fuel.
According to some embodiments of the present utility model, it further comprises an at least filter, and the wherein filter is set
The exit of the fuel storage device is placed in, to be purified to the fuel flowed out from the fuel storage device.
According to some embodiments of the present utility model, it further comprises an at least filter, and the wherein filter is set
The exit of hydrogen storage bottle is placed in, with to being purified from the hydrogen of hydrogen storage bottle outflow.
According to some embodiments of the present utility model, the fuel channel and the fuel storage are rotten using anti-hydrogen embrittlement, hydrogen
Erosion, the material of stress corrosion are made.
According to some embodiments of the present utility model, the fuel channel and hydrogen storage bottle are using anti-hydrogen embrittlement, hydrogen-type corrosion, stress
The material of corrosion is made.
According to some embodiments of the present utility model, the burst pressure of hydrogen storage bottle is more than or equal to its operating pressure
1.5 again.
According to some embodiments of the present utility model, the burst pressure of hydrogen storage bottle is more than or equal to the 2 of its operating pressure
Times.
According to some embodiments of the present utility model, in the filter be a filter, the wherein filter is higher than or waits
In 15 μm of grades.
According to some embodiments of the present utility model, the fuel storage, the fuel channel and the controller it is each
The design pressure of individual element is more than or equal to 1.1 times of its relevant work pressure.
By the understanding to subsequent description and accompanying drawing, the further purpose of the utility model and advantage will be able to abundant body
It is existing.
These and other objects of the present utility model, feature and advantage, by following detailed descriptions, accompanying drawing and right will
Try to achieve to fully demonstrate.
Brief description of the drawings
Fig. 1 is the fuel system according to the one of a preferred embodiment of the present utility model fuel cell for being used for unmanned plane
Block diagram representation.
Fig. 2 is a structural representation of the fuel system according to above preferred embodiment of the present utility model.
Fig. 3 illustrates the vibration detection according to the above-mentioned fuel system detection method being preferable to carry out of the present utility model
Oscillation power spectrum shape and acceleration spectrum that step is applied.
Embodiment
Describe to be used to disclose the utility model so that those skilled in the art can realize the utility model below.Retouch below
Preferred embodiment in stating is only used as citing, it may occur to persons skilled in the art that other obvious modifications.Retouched following
The general principle of the present utility model defined in stating can apply to other embodiments, deformation program, improvement project, etc. Tongfang
Case and the other technologies scheme without departing from spirit and scope of the present utility model.
It will be understood by those skilled in the art that in exposure of the present utility model, term " longitudinal direction ", " transverse direction ", " on ",
" under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of the instruction such as " outer " or position close
System is to be based on orientation shown in the drawings or position relationship, and it is for only for ease of description the utility model and simplified and describes, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore on
Term is stated it is not intended that to limitation of the present utility model.
It is understood that term " one " be interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no
It is understood that as the limitation to quantity.
Fig. 1 of Figure of description to Fig. 2 is disclosed according to a fuel cell of a preferred embodiment of the present utility model
One fuel system, the wherein fuel cell are suitable to be used for a unmanned plane, to provide good power to the unmanned plane, and fully
Ensure the security of the unmanned plane.
As shown in Fig. 1 of Figure of description, the fuel system includes a fuel storage device 10, a fuel channel 20 and one
Fuel monitoring unit 30.The fuel storage device 10 is set, to store the fuel needed for an electricity generation system of the fuel cell.
According to the preferred embodiment of the present utility model, the fuel storage device 10 is arranged to store hydrogen, to adapt to each of hydrogen
Plant performance.The fuel channel 20 is set, and the hydrogen that the fuel storage device 10 is stored is directed to being somebody's turn to do for the fuel cell
Electricity generation system.It is noted that in the electricity generation system of the fuel storage device 10 to the fuel cell, the fuel channel 20
And its there is good air-tightness with the junction of other components of the fuel system, to prevent hydrogen leak.Specifically, such as
Shown in Fig. 1 of Figure of description, the fuel system further comprises multiple potted components, be used to strengthen the fuel system
Sealing between each component, to prevent hydrogen leak.
According to the preferred embodiment of the present utility model, the potted component is embodied as sealing gasket, and its material is stainless
Steel, non-ferrous metal, polytetrafluoroethylene (PTFE) or fluorubber etc..
According to the preferred embodiment of the present utility model, the fuel channel 20 uses anti-hydrogen embrittlement material.In the fuel system
Wirking pressure under, the fuel channel 20 not only has sealing, and with durability and robustness, so that extending it makes
With the life-span, and then extend the service life of the fuel system.
The fuel channel 20 includes an at least flexible pipe road 21 and an at least hard tube road 22, to meet under different condition to fuel
The different requirements of guiding.The pipeline section of some pipelines may be influenceed by expanding with heat and contract with cold.In this case, can be by setting
Protection device, which eliminates to expand with heat and contract with cold, influences and realizes function of seismic resistance.According to the preferred embodiment of the present utility model, two ends are fixed
Pipeline be provided with appropriate bending, to form a bending section.In the knee both sides of the pipeline close to the two straight of the bending section
One fixing point is set respectively at pipeline section, so that the pipeline to be fixed.It is noted that in the portion for being likely to occur relative displacement
Between part, it is attached using the flexible pipe road 21, and without using the hard tube road 22, to ensure the stabilization of whole fuel system mechanism
Property, and prevent because the relative displacement between part causes pipeline to be broken, and then fuel losses are prevented, and then ensure safety.Should
The installation of flexible pipe Lu 21 should avoid the occurrence of friction and reverse, and its bending radius is appropriate, and keep safe distance with harmful thermal source, and
Take necessary provision for thermal insulation.According to the preferred embodiment of the present utility model, when the flexible pipe road 21 is fixed, tool is used
Flexible fixing card is fixed, and wherein fixing point spacing should not be excessive, and should bend forward and backward fixed each.
By the flexible pipe, 21 to be attached be that the length on the flexible pipe road 21 is more than by the distance between two parts of its connection, with
Adapt to the displacements caused by extraneous factor such as vibration.It is noted that the either flexible pipe road 21, or the hard tube road 22, its
The generation of covibration can be avoided.In the arrangement of whole pipeline, some pipeline portions may be easier to occur breakage, at this moment
These positions for being easier to occur breakage are protected by a cladding parts according to the preferred embodiment of the present utility model.Value
Obtain one and be mentioned that the setting of the cladding parts will not cause dysfunction.
As shown in figure 1, the fuel system further comprises a fuel monitoring unit 30, it is set, with to the fuel storing
The fuel that cryopreservation device 10 is stored, and it is various from the fuel storage device 10 to the fuel of the electricity generation system of the fuel cell
Parameter is monitored and controlled.The flowing of pressure, temperature and fuel is the important parameter of fuel, and it can be to the fuel cell
Produce very important influence.The fuel monitoring unit 30 can be monitored to the flowing of the pressure of fuel, temperature and fuel
And control.
Specifically, the fuel monitoring unit 30 includes a monitoring device 31 and a controller 34.The monitoring device 31 is set
Put, be monitored with the parameters to fuel.The controller 34 is set, and is controlled with the parameters to fuel.
As shown in Fig. 1 of Figure of description, the fuel monitoring unit 30 further comprises a communication module 33.The communication mould
Block 33 can be communicated between the monitoring device 31 and the controller 34, so that the controller 34 can be by the monitoring device
The foundation that is controlled as the controller 34 to fuel parameter of parameter of the fuel of 31 monitorings, with ensure the fuel system and
Whole fuel cell, so the unmanned plane premium properties.
Fig. 1 of reference explanation book accompanying drawing, the monitoring device 31 includes a temperature sensor 311 and at least two pressure sensings
Device 312.According to the preferred embodiment of the present utility model, the temperature sensor 311 is set, to monitor residing for the fuel system
Environment temperature.Two pressure sensors 312 are set, with respectively in the pressure of different position monitoring fuel.
Specifically, the controller 34 includes a pressure control assembly 342.According to the preferred embodiment of the present utility model,
The pressure control assembly 342 is set, after the fuel storage device 10 outflow, to reduce its pressure, to adapt to this in fuel
Demand of the electricity generation system of fuel cell to fuel pressure.According to the preferred embodiment of the present utility model, two pressure are passed
Sensor 312 is respectively used to the pressure for the fuel that monitoring is flowed out from the fuel storage device 10 and by the pressure control assembly 342
Fuel pressure after decompression.More specifically, the pressure control assembly 342 includes an at least pressure-reducing valve 3421.The pressure-reducing valve 3421
It is set, the pressure of fuel is reduced to a preset pressure value.It is noted that when a pressure-reducing valve 3421 will can fire
When material pressure is reduced to the preset pressure value, it need to only set a pressure-reducing valve 3421 that purpose can be achieved.Depressurized when passing through one
Fuel pressure can not be reduced to needed for the electricity generation system of the electricity generation system of the fuel cell by the one-level decompression of valve 3421
During fuel pressure force value, then another pressure-reducing valve 3421 is needed, to provide second depressurized.It is noted that being preferable to carry out according to this
Example, the pressure control assembly 342 further comprises a relief valve 3422.The relief valve 3422 is set, to pass through the decompression
Fuel pressure reduction can not be arrived the preset pressure value by valve 3421, and is merely able to fuel pressure being reduced to one and is preset higher than this
It is automatically switched on during the value of pressure value, so that fuel hydrogen is released, to provide overvoltage protection.It is noted that the pressure control
Component 342 processed can set multiple relief valves 3422, to carry out overvoltage protection in different Hydrogen Vapor Pressure sections.It is worth mentioning
That the outlet of the relief valve 3422 should be connected to one or more concentration floss holes by pipeline, and hydrogen discharge to nobody
Outside machine.The latus rectum of the exhaust outlet of the relief valve 3422 is not less than the maximum diameter of blowdown piping.Its emission direction should not be by fuel
Arrange the device for fuel cell chamber or confined space, easily producing electrostatic, the electric terminal exposed, electric switching device and draw
Burning things which may cause a fire disaster.
It is noted that setting the relief valve 3422 to be only unrestricted to example of the present utility model.If logical
The purpose that fuel pressure is reduced to the preset pressure value can be reached by crossing the pressure-reducing valve 3421, can also be not provided with the relief valve
3422.As long as utility model purpose of the present utility model can be reached, the utility model is not limited in this respect.
The fuel storage device 10 includes a fuel storage tank 11.The fuel storage tank 11 is set, by fuel storage
In one storage area 119.According to the preferred embodiment of the present utility model, the fuel storage tank 11 is embodied as a hydrogen storage
Bottle.The fuel storage tank 11 has an entrance 118 and an outlet 117.The entrance 118 is embodied as a fuel adding interface,
So that the fuel system can be connected with outside hydrogenation plant, so as to which external hydrogen filling is entered into hydrogen storage bottle.The fuel adds
Note interface is arranged to electric terminal, electric switch and ignition source away from exposure.It is provided near the fuel adding result bright
Aobvious warning mark, to prevent maloperation and rotation.According to the preferred embodiment of the present utility model, the fuel adding interface quilt
One check valve is set, to control fuel flowing direction, prevents hydrogen during hydrogenation from flowing backwards.
Each pressure sensor 312 is embodied as a pressure sensor.As shown in Fig. 2 one of pressure sensor
312a is arranged at the fuel storage tank 11, be used to monitor the fuel pressure in the fuel storage tank 11.Another pressure is passed
Sensor 312b is arranged at after the pressure-reducing valve 3421 and the relief valve 3422, is depressurized and the fuel pressure after pressure release with monitoring
Power.
As shown in Fig. 1 of Figure of description, the fuel monitoring unit 30 further comprises an information presentation system 32, with quilt
State of a control for fuel parameter that the monitoring device 31 monitored and the controller to be presented.The pressure sensor 312 is supervised
The fuel pressure of survey can be presented by the information presentation system.More specifically, the information presentation system 32 is included at least
Device 321 is presented in one pressure, for the fuel pressure that the pressure sensor 312 is monitored is presented.Pressure sensor 312a
Setting the Hydrogen Vapor Pressure in the fuel storage tank 11 is monitored in real time, and and then pass through the pressure present device 321
Presented in real time.It is noted that pressure sensor 312a can not only monitor the fuel in the fuel storage tank 11
Hydrogen Vapor Pressure in fuel pressure in using process, i.e. hydrogen using process, can also be in monitoring hydrogen filling process
Hydrogen Vapor Pressure.
As shown in figure 1, the information presentation system 32 further comprises an alarming device 323, for information warning is presented.
When Hydrogen Vapor Pressure is higher or lower than design load in the fuel storage tank 11, the alarming device 323 can provide corresponding warning, with
Point out pressure inside the tank too high or too low.Likewise, when hydrogen supply loine pressure is more than or less than design safety value, the alarming device
323 can provide corresponding warning, to point out loine pressure too high or too low.
As shown in figure 1, the controller 34 further comprises a switch control assembly 343, be used to control fuel flowing.
The switch control assembly 343 includes a cylinder valve 3431, be used to control whether the fuel storage tank 11 exports fuel.When the combustion
When expecting that the exporting hydrogen pressure of holding vessel 11 is less than defined minimum pressure, it can be monitored by the monitoring device 31,
And corresponding information is transferred to by the controller 34 by the communication module 33, and and then controlled by the controller 34, with
Corresponding safeguard measure is taken, the cylinder valve 3431 is such as closed.It is noted that controlling the fuel storage by the cylinder valve 3431
The fuel output of tank 11 is only unrestricted to example of the present utility model.According to other embodiments of the present utility model, also
It can by another way control, for example, pass through a magnetic valve.As long as utility model purpose of the present utility model can be reached,
The utility model is not limited in this respect.
As shown in figure 1, the switch control assembly 343 further comprises a magnetic valve 3432.The magnetic valve 3432 is set
The stream of the electricity generation system of the fuel cell is flowed to from the fuel storage tank 11 in pressure sensor 312b downstream, i.e. hydrogen
To downstream.When pressure sensor 312b monitors to be depressurized by the pressure-reducing valve 3421 and hydrogen after the pressure release of relief valve 3422
When atmospheric pressure is less than the minimum pressure or the maximum pressure higher than setting set, it is passed corresponding information by the communication module 33
It is handed to the controller 34, and then the controller 34 can be used and control it, and to take safeguard measure, for example, close tight
The magnetic valve 3432 of the electricity generation system of the adjacent fuel cell.
The setting of the magnetic valve 3432 can realize the quick supply and blocking of fuel hydrogen.It is somebody's turn to do according to of the present utility model
Preferred embodiment, the magnetic valve 3432 is arranged to normally closed type, i.e., closed automatically when working power disappears, to ensure the fuel
The job security of battery.
As shown in Fig. 1 of Figure of description, the monitoring device 31 further comprises a temperature sensor 311, is somebody's turn to do with monitoring
Temperature environment residing for fuel system, and and then the temperature environment information that is monitored it by the communication module 33 is transferred to this
Controller 34.According to the preferred embodiment of the present utility model, the temperature sensor 311 is embodied as a temperature sensor.
As shown in figure 1, the controller 34 further comprises a temperature control equipment 341, with to the temperature environment residing for the fuel system
It is controlled.According to the preferred embodiment of the present utility model, the fuel system goes for -20~50 DEG C of temperature ring
Border.
Fig. 1 of reference explanation book accompanying drawing, the fuel storage device 10 includes a cabin 12.The fuel storage tank 11 is set
In in the cabin 12, so that the cabin 12, which is the fuel storage tank 11, provides suitable environment.More specifically, new according to this practicality
The preferred embodiment of type, the cabin 12 is using waterproof, moistureproof incombustible material, to prevent from directly or indirectly contacting water or humidity
The technical performance of single devices or parts is influenceed after gas or function is used, and prevents fire.It is somebody's turn to do according to of the present utility model
Preferred embodiment, the cabin 12 sets a heat-insulation layer.The material of the heat-insulation layer uses incombustible material, and setting avoids material from flying
The measure raise, being scattered.The cabin 12 is arranged to be easily installed and dismantled or its cover plate is easy to folding, in order to the fuel system
System carries out examination and maintenance.
According to the preferred embodiment of the present utility model, the monitoring device 31 further comprises a concentration monitoring device 313,
To monitor the fuel concentration in the cabin 12, and the concentration parameter monitored by the communication module 33 is transferred to the information and is in
Existing system 32.When concentration over-standard, the alarming device 323 can send corresponding alarm signal.This is excellent according to of the present utility model
Embodiment is selected, the density of hydrogen in the cabin 12<50%LFL, to ensure safety.
Those skilled in the art are it should be appreciated that set the cabin 12 to be only to example of the present utility model rather than limit
System.According to other embodiments of the present utility model, the cabin 12 can also be not provided with, at this moment, can also be without setting the concentration
Monitoring device 313.When the cabin 12 with it is extraneous have good ventilation when so that in the absence of concentration over-standard risk when, can also
It is not provided with the concentration monitoring device 313.As long as utility model purpose of the present utility model can be reached, the utility model is in this side
Face is not limited.
It is noted that according to the preferred embodiment of the present utility model, the communication module 33 can be specifically embodied as
The standard communication interfaces such as CAN, RS485 or RS232, or data-interface, to receive the fuel parameter of the monitoring device 31 monitoring, and
Control signal, such as each device of the active control controller 34, the triggering of component are sent to the controller.The communication module
33 may also help in the work that the fuel parameter that the controller 34 monitors according to the monitoring device 31 controls the switch control assembly 343
Make state.The communication module 33 can also control the alarming device 323 to send the alarm signals such as alarm, and wirelessly will
Pass the signal to remote supervisory and control(ling) equipment.
As shown in figure 1, the fuel system further comprises a filter 40, to be purified to fuel, so as to ensure to arrive
Up to the electricity generation system of the fuel cell fuel it is pure, and then ensure and improve the performance of the fuel cell.According to this reality
With new the preferred embodiment, the filter 40 is embodied as a filter.The filter is installed in the fuel storage
At the outlet 117 of tank 11, to remove solid particle that may be present in fuel hydrogen.Preferably, the grade of the filter is not
Less than 15 μm.Those skilled in the art are it should be appreciated that when the degree of purity for the fuel that the fuel storage device 10 is provided reaches
During the demand of the electricity generation system of the fuel cell, the filter 40 can also be not provided with.As long as the utility model can be reached
Utility model purpose, the utility model is not limited in this respect.
It is noted that according to the preferred embodiment of the present utility model, all pipelines of the fuel system, valve,
The design pressure of element is at least 1.1 times of its operating pressure.The burst pressure of the fuel storage tank 11 (hydrogen storage bottle) is not less than
1.5 times (when operating pressure is 70MPa) or 2.0 times (when operating pressure is 35MPa) of its operating pressure.The fuel storage tank 11
Design times of fatigue be not less than 800 times.The fuel system can be used under following environmental condition：Temperature：- 20~50 DEG C,
Humidity：＜ 100%, height above sea level：≤3000m.
Inner surface, parts or sealing that single devices connecting portion, the hydrogen of the fuel system are directly or indirectly contacted
Material selected by part has following properties：
A) under all use conditions, with necessary chemical stability；Will not occur various forms in normal use
Chemical reaction；
B) change of physical environment is can adapt to, meets every mechanical property requirements, and is kept under conditions of use stable
Mechanical property；
C) the chemical composition and structure form of material selected by can avoid occur hydrogen embrittlement, hydrogen-type corrosion, stress corrosion and its
The corrosion of its form；
D) material selected by meets the requirement of the overall life expectancy of the fuel system.
It is noted that according to the preferred embodiment of the present utility model, the startup and closing of the fuel system include
Manually, remote control and automatic three kinds of modes, to meet the different demands under different situations so that fully ensure operation convenience and
Security.Its time≤10 second for starting and closing.The stable hydrogen supply flow that the fuel system is provided should meet the fuel cell
The electricity generation system pile peak power 110%.Hydrogen gas leakage amount is less than 0.5% per hour.Its vibration resistance also should
It disclosure satisfy that after vibration test, hydrogen gas leakage amount is less than 0.5% per hour.
The parameters of the fuel system directly influence the performance of the fuel cell, so the detection to the fuel system
It is vital work.Further below to the fuel system detection method according to the preferred embodiment of the present utility model
Disclosed.
The fuel system detection method comprises the following steps：
1001：Preparation before experiment.
Before experiment, to the various qualitys certification, the technological document of the hydrogen cylinder of the fuel system, single devices, pipeline and annex,
Checked including whole routine tests record and certificate, drawing data, safe mass supervision and inspection certificate etc..All information,
And carry out one by one after confirmation, it can follow the steps below：
1002：Visual examination.
To complete carry out visual examination.Accuracy of gas piping and electric wiring connection etc. is checked simultaneously.
1003：Test condition is set.
According to the preferred embodiment of the present utility model, the environmental condition of the fuel system detection method is：
Temperature：20±10℃；
Humidity：＜ 100%；
Pressure：86~106kPa.
1004：Performance detection.
The performance detection step further comprises the steps：
10041：On/off mode is detected：
When testing manual mode, the fuel system is manually booted or closes, whether inspection system normally starts or close.
When testing remote control mode, remote activation or the fuel system is closed, whether inspection system normally starts or close.
When testing automated manner, start by set date or the fuel system is closed, whether inspection system normally starts or close.
10042：On/off time detecting：
One hydrogen flowmeter is installed at the fuel system hydrogen outlet, keeps the hydrogen outlet of the fuel system to open wide,
At pressure value when pressure-reducing valve 3421 in the fuel system is set in its work.Open the cylinder valve of the fuel system.To electromagnetism
Valve sends OPEN, and record detects the duration at hydrogen flowing moment from the OPEN moment is sent to flowmeter, for the combustion
Expect system start-up time.Then out code is sent to magnetic valve, record is detected not from the out code moment is sent to flowmeter
The duration at moment is flowed to hydrogen, for the shut-in time of the fuel system.
10043：Stable hydrogen supply flow detection：
One hydrogen flowmeter is installed at the fuel system hydrogen outlet, keeps the fuel system hydrogen outlet to open wide,
At pressure value when pressure-reducing valve 3421 in the fuel system is set in its work.Open the cylinder valve and electromagnetism of the fuel system
Valve, pressure-reducing valve 3421 through being configured in the fuel system depressurize after hydrogen after the fuel system hydrogen outlet flows out 5 seconds,
One hydrogen flowing quantity numerical value of every 10 seconds records, it is maximum hydrogen flow to take the average value in 2 minutes.
10044：Hydrogen gas leakage rate is detected：
Letting out for hydrogen is calculated by the change of Hydrogen Vapor Pressure in the rear end hydrogen pipeline of pressure-reducing valve before and after test experiments 3421
Leak rate, method is as follows：
The pressure gauge that one precision is 0.5% is installed at the fuel system hydrogen outlet, the fuel system is then closed
Hydrogen outlet.At pressure value when pressure-reducing valve 3421 in the fuel system is set in its work.Open the fuel system
Hydrogen gas pressure stabilization is after 1 minute in cylinder valve and magnetic valve, the rear end hydrogen pipeline of pressure-reducing valve 3421, and record pressure sensor is measured
Pressure P1.The cylinder valve and magnetic valve of the fuel system are closed, the pressure P that pressure sensor is measured is recorded after 24 hours2.According to public affairs
Formula (1) calculates hydrogen gas leakage amount qfuel hourly.Due to P1And P2General is slightly above atmospheric pressure, and both are more or less the same,
So, the compressibility factor of hydrogen need not be brought into formula (1).
qfuel=[(1-P2T1/P1T2)/24] * 100%......................... (1)
Wherein,
P1 --- the pressure that measurement is recorded when starting；
P2 --- the pressure recorded at the end of measurement；
T1 --- environment temperature during record P1；
T2 --- environment temperature during record P2.
10045：Antivibration is detected：
The fuel system is rigidly connected on vibration table, in X, Y, tri- directions of Z, Fig. 3's of by specification accompanying drawing
Oscillation power composes shape and acceleration spectrum root-mean-square value is tested, and each direction vibrates 5min.
10046：Density of hydrogen is detected in cabin：
The fuel system hydrogen outlet is blocked, the pressure-reducing valve 3421 in the fuel system is set in decompression during its work
At value.Cylinder valve 3431 and the magnetic valve 3432 of the fuel system are opened, is determined and recorded using Hydrogen Concentration Detector
The concentration of cabin highest point hydrogen where the fuel system, records a numerical value each second in 30min.
The preferred embodiment of the present utility model is provided with the cabin 12, so as to by the above method to hydrogen in cabin
Concentration is detected.
Density of hydrogen in cabin can be detected by the following method in the embodiment for be not provided with cabin：By the fuel
System is placed in the unmanned plane using it, or the fuel system is placed in one can just hold in its housing, utilizes hydrogen
Concentration detector determines and records the concentration of cabin highest point hydrogen where the fuel system in 30min, records one each second
Numerical value.
10047：Electromagnetic compatibility detection.
Esd immunity experimental evidence GB/T 17626.2-2006 are carried out：Contact discharge, test voltage 6kV；Air
Electric discharge, test voltage 8kV.
Radio frequency electromagnetic field radiation immunity experiment is carried out according to GB/T 17626.3-2006：Test field strength 10V/m, frequency
Scope 80MHz~100MHz.
10048：Degree of protection is detected.
Dust and water protection experiment is carried out respectively according to the clause of GB 4208-2008 standards the 13.4th and 14.2.4 clauses.It is right
The fuel system is needed to be arranged on cabin in the fuel system in cabin or in unmanned plane shell, when the detection is carried out
In indoor or unmanned plane shell.
10049：Protection detects that it further comprises the steps with alarm function：
100491：The protection detection of hydrogen high and low pressure.
When hydrogen cylinder exporting hydrogen pressure is less than defined minimum pressure, observe whether the fuel system is taken accordingly
Safeguard measure (whether the magnetic valve such as control hydrogen start and stop closes).Hydrogen Vapor Pressure after pressure-reducing valve 3421 is depressurized is less than setting
Minimum pressure or during the maximum pressure higher than setting, observe the fuel system whether take corresponding safeguard measure (such as close to
Whether the magnetic valve of pile closes).
100492：Warning information is detected.
Whether observation system when Hydrogen Vapor Pressure is abnormal wirelessly can be sent to remote monitoring by alarm signal sets
It is standby.
100493：Monitoring function is detected.
Detect whether the fuel system has following monitoring function：
--- remote measurement：Hydrogen Vapor Pressure in hydrogen cylinder, the Hydrogen Vapor Pressure after decompression.
--- remote signalling：Hydrogen Vapor Pressure is low in hydrogen cylinder, the Hydrogen Vapor Pressure low high after decompression.
--- remote control：The fuel system ON/OFF.
It should be understood by those skilled in the art that the embodiment of the present utility model shown in foregoing description and accompanying drawing is only used as
Illustrate and be not intended to limit the utility model.The purpose of this utility model completely and is effectively realized.
Function of the present utility model and structural principle show and illustrated in embodiment, without departing from the principle
Under, embodiment of the present utility model can have any deformation or modification.
Claims (25)
1. the fuel system for unmanned plane fuel cell, it is characterised in that including：
An at least fuel storage, to store the fuel needed for an electricity generation system of the fuel cell；
An at least fuel channel, the fuel that the fuel storage is stored is directed to the generating system of the fuel cell
System；With
An at least fuel monitoring unit, with what is guided to the fuel stored by the fuel storage, by the fuel channel
Fuel and the fuel and its parameter of the fuel system local environment are monitored.
2. fuel system according to claim 1, wherein the fuel monitoring unit is including an at least monitoring device and extremely
A few controller, wherein the monitoring device is set, to monitor the fuel and its parameter in the fuel system, wherein described
Controller is set, to be controlled to the fuel and its parameter in the fuel system.
3. fuel system according to claim 2, wherein the controller includes an at least pressure control assembly, it is set
Put, to control the pressure that the fuel flowed out from the fuel storage device enters before the electricity generation system.
4. fuel system according to claim 3, wherein the monitoring device includes at least two pressure sensors, to divide
Fuel pressure after not monitoring the fuel pressure in the fuel storage device and being controlled by real-time pressure control assembly.
5. fuel system according to claim 4, wherein the pressure control assembly includes an at least pressure-reducing valve, with combustion
Stream goes out after the fuel storage to reduce the pressure of fuel.
6. fuel system according to claim 5, wherein the fuel monitoring unit further comprises at least one communication mould
Block, wherein the data transfer that the communication module can monitor the monitoring device is to the controller, to be used as the control
The control foundation of device processed.
7. fuel system according to claim 6, wherein the controller further comprises a switch control assembly, wherein
It is described switch control assembly be set, with control the fuel storage device between the electricity generation system fuel whether stream
It is logical.
8. fuel system according to claim 7, wherein the switch control assembly includes an at least cylinder valve, it is set
In the fuel storage device, to control whether fuel can flow out from the fuel storage device.
9. fuel system according to claim 8, wherein the switch control assembly further comprises an at least magnetic valve,
Whether wherein described magnetic valve is arranged at the position between the pressure-reducing valve and the electricity generation system, to control fuel
Flowed to the electricity generation system.
10. fuel system according to claim 9, wherein the pressure control assembly further comprises an at least pressure release
Valve, is acted synergistically with being played with the pressure-reducing valve, so that fuel pressure is reduced into a preset pressure value.
11. fuel system according to claim 10, wherein the relief valve is arranged at the pressure-reducing valve and the electricity
A position between magnet valve, wherein the magnetic valve is arranged at the position between the relief valve and the electricity generation system.
12. fuel system according to claim 11, wherein the fuel monitoring unit further comprises an at least information
Presentation system, is presented with the parameter to fuel and sends alarm signal when fuel parameter reaches default value scope.
13. fuel system according to claim 12, wherein the fuel channel includes an at least flexible pipe road and at least one
Hard tube road, to adapt to different pipeline demands respectively between the fuel storage device and the electricity generation system.
14. fuel system according to claim 13, wherein the monitoring device further comprises an at least TEMP
Device, to monitor the temperature environment residing for the fuel system.
15. fuel system according to claim 14, wherein the controller further comprises that an at least temperature control is filled
Put, to control the temperature of the environment residing for the fuel system.
16. the fuel system according to any one in claim 1~15, wherein the fuel storage device is included at least
One fuel storage tank and at least a cabin, wherein the fuel storage tank be used to store fuel, wherein the fuel storage tank
It is arranged in the cabin.
17. fuel system according to claim 16, wherein the fuel storage tank is hydrogen storage bottle, to store hydrogen combustion
Material.
18. the fuel system according to any one in claim 1~15, it further comprises an at least filter, its
Described in filter be arranged at the exit of the fuel storage device, with to the fuel flowed out from the fuel storage device
Purified.
19. fuel system according to claim 17, it further comprises an at least filter, wherein the filter quilt
The exit of the hydrogen storage bottle is arranged at, with to being purified from the hydrogen of hydrogen storage bottle outflow.
20. the fuel system according to any one in claim 1~15, wherein the fuel channel and the fuel are deposited
Storage device is made of anti-hydrogen embrittlement, hydrogen-type corrosion, the material of stress corrosion.
21. fuel system according to claim 17, wherein the fuel channel and hydrogen storage bottle are using anti-hydrogen embrittlement, hydrogen
The material of burn into stress corrosion is made.
22. fuel system according to claim 17, wherein the burst pressure of hydrogen storage bottle is more than or equal to its work
1.5 times of pressure.
23. fuel system according to claim 17, wherein the burst pressure of hydrogen storage bottle is more than or equal to its work
2 times of pressure.
24. fuel system according to claim 19, wherein the filter is a filter, wherein the filter is high
In or equal to 15 μm of grades.
25. the fuel system according to any one in claim 2~15, wherein the fuel storage, the combustion
Expect that the design pressure of each element of passage and the controller is more than or equal to 1.1 times of its relevant work pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152044.5U CN206516708U (en) | 2017-02-20 | 2017-02-20 | Fuel system for unmanned plane fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152044.5U CN206516708U (en) | 2017-02-20 | 2017-02-20 | Fuel system for unmanned plane fuel cell |
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| Publication Number | Publication Date |
|---|---|
| CN206516708U true CN206516708U (en) | 2017-09-22 |
Family
ID=59868548
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720152044.5U Active CN206516708U (en) | 2017-02-20 | 2017-02-20 | Fuel system for unmanned plane fuel cell |
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| Country | Link |
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| CN (1) | CN206516708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265691A (en) * | 2019-06-28 | 2019-09-20 | 西安交通大学 | A kind of controlled hydrolysis suitable for fuel cell releases hydrogen hydrogen supply integral system |
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2017
- 2017-02-20 CN CN201720152044.5U patent/CN206516708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265691A (en) * | 2019-06-28 | 2019-09-20 | 西安交通大学 | A kind of controlled hydrolysis suitable for fuel cell releases hydrogen hydrogen supply integral system |
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