CN206040826U - A thermal management system for high altitude unmanned aerial vehicle fuel cell module - Google Patents
A thermal management system for high altitude unmanned aerial vehicle fuel cell module Download PDFInfo
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- CN206040826U CN206040826U CN201620760716.6U CN201620760716U CN206040826U CN 206040826 U CN206040826 U CN 206040826U CN 201620760716 U CN201620760716 U CN 201620760716U CN 206040826 U CN206040826 U CN 206040826U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a thermal management system for high altitude unmanned aerial vehicle fuel cell module belongs to the aerospace vehicle energy system field. High altitude unmanned aerial vehicle fuel cell module includes fuel cell reactor, oxygen gas supply system and hydrogen gas supply system, thermal management system includes heat exchanger and cooling system, fuel cell reaction piles the partly heat exchanger that passes through of the waste heat that produces and passes through cooling system and pile the environment space heating of locating to fuel cell reaction hydrogen and oxygen heating, another part, fuel cell reaction piles for air -cooled fuel cell reaction heap or liquid cooling fuel cell reaction heap, forced air cooling fuel cell reaction piles and piles and open air -cooled fuel cell reaction heap including closed air -cooled fuel cell reaction.
Description
Technical field
This utility model belongs to aerospace vehicle energy resource system field, and in particular to a kind of for High Altitude UAV fuel electricity
The heat management system of pond module.
Background technology
Fuel cell is the generation of electricity by new energy device that chemical energy is converted into electric energy, and its hydrogen fuel source is sufficient and honest and clean
Valency, energy density height, generating efficiency height, stable performance, without potential safety hazard and product is pollution-free, be widely applied to civilian and army
Square product.Fuel cell can provide long-time need for electricity for which as the accessory power supply of High Altitude UAV electric power system, subtract
Light electric power system weight.
Fuel cell is strict to operating environment requirements, in the high-altitude of 5000m from the ground, -10 degrees Celsius of temperature, and height
Degree often rises 1000 meters, and temperature reduces by 6 degrees Celsius.In High Altitude UAV electric power system, fuel cell is in low-temp low-pressure environment
Lower stable and high effective operation, needs to be incubated fuel cell module, and the hydrogen and oxygen heating to incoming fuel cell reaction heap,
Otherwise operation of fuel cells efficiency and life-span degradation, or even can not work.
Fuel cell heat management system research traditional at present is directed generally to fuel cell module under normal temperature and pressure conditionses
Heat management.
The patent of Patent No. 200910073442.8 has complete suitable for the closed-cycle fuel cell system of AUV
Hydrothermal exchange blood circulation, but the ambient temperature of fuel cell reaction heap and the cooling of fuel cell reaction heap can only be ensured,
Hydrogen and oxygen heating, electric power system volume and weight under low temperature environment is not accounted for, High Altitude UAV fuel is not particularly suited for
The heat management system of battery supply module.
The patent of Patent No. 201510215700.7 provides a kind of itself heat management system and its method of controlling, wherein
Water tank with heater, cooling water circulating pump, radiator and temperature sensor, it is possible to achieve fuel cell reaction heap dissipate
Heat cooling, but this heat management system can not meet heating to oxygen and hydrogen and the insulation of integrated environment.
Utility model content
The purpose of this utility model is to solve a difficult problem present in above-mentioned prior art, there is provided it is a kind of for high-altitude nobody
The heat management system of machine fuel cell module, by heat exchanger, cooling system, lagging casing co-ordination, rationally using more than itself
Heat, heat is managed concentratedly, simplifies fuel cell heat management system structure, is that fuel cell creates a stable operation ring
Border.
This utility model is achieved through the following technical solutions：
A kind of heat management system for High Altitude UAV fuel cell module, the High Altitude UAV fuel cell module
Including fuel cell reaction heap, oxygen air supply system and hydrogen air supply system, the heat management system includes heat exchanger and radiating
System；
The waste heat part that the fuel cell reaction heap is produced is by heat exchanger to hydrogen and oxygen heating, another part
The environment space residing for fuel cell reaction heap is heated by cooling system；
The fuel cell reaction heap is air-cooled fuel cell reaction heap or liquid cold fuel cell reactor, the air-cooled combustion
Material cell reaction heap includes closed air-cooled fuel cell reaction heap and open air-cooled fuel cell reaction heap.
The heat exchanger is shell-and-tube heat exchanger, plate type heat exchanger or double pipe heat exchanger.
For air-cooled fuel cell reaction heap, the cooling system includes cooling fan；
Air flows through fuel cell reaction heap cathode flow channels and participates in electrochemical reaction, flows out from fuel cell reaction heap, band
Walk fuel cell reaction heap waste heat；Cooling fan by hot blow to heat exchanger, the Heat Conduction Material of heat exchanger absorb heat be hydrogen and
Air is heated, while cooling fan promotes the hot gas cycle of air-cooled fuel cell reaction heap environment space.
For liquid cold fuel cell reactor, the cooling system includes radiator and the fan being arranged on by radiator；
Coolant in the radiator passes through the cooling entrance on liquid cold fuel cell reactor from after radiator outflow
Into liquid cold fuel cell reactor, the cooling plate runner in liquid cold fuel cell reactor, liquid cold fuel cell is taken away
The waste heat that reactor is produced, flows out from the coolant outlet of liquid cold fuel cell reactor, subsequently into heat exchanger, in heat exchanger
Hydrogen and oxygen are heated, and oxygen is gasified totally, then coolant is flowed out from heat exchanger, returns to radiator, cooled down
The heat of liquid is transmitted to outside the coolant flow channel of radiator through the Heat Conduction Material in radiator, using the fan by blowing heat
To in liquid cold fuel cell reactor environment space, the cryogenic liquid after radiating is flowed out from radiator, into the cold fuel electricity of liquid
Pond reactor, starts next circulation；
The radiator adopts U-tube radiator or corrugated plating radiator；
The coolant adopts deionized water or 50% ethylene glycol solution.
The hydrogen air supply system includes hydrogen source, electromagnetic valve, the first air relief valve, hydrogen supply electromagnetic valve, the second air relief valve and hydrogen
Gas circulating pump；
Hydrogen enters heat exchanger by electromagnetic valve, then Jing after the decompression of the first air relief valve, heats hydrogen by heat exchanger；
Through hydrogen supply electromagnetic valve after hydrogen outflow heat exchanger after heating, then the secondary pressure by secondary decompression valve, enter
Enter fuel cell reaction heap and participate in electrochemical reaction electricity production；
The excess hydrogen for not participating in electrochemical reaction flows out fuel cell reaction heap, and a part passes through hydrogen gas circulating pump again
Incoming fuel cell reaction heap, another part wash away the time opening of valve through anode, discharge anode export with anode hydrops；
Hydrogen temperature sensor and hydrogen gas pressure sensor are provided with the hydrogen supply electromagnetic valve；
The hydrogen temperature sensor is used for detecting the temperature of hydrogen that the hydrogen gas pressure sensor to be used for detecting hydrogen
Pressure.
The hydrogen source adds solid catalyst, solid-state hydroboration using high-pressure hydrogen storing tank, solid-state hydrogen storage, sodium borohydride aqueous solution
Sodium and catalyst mixing and water adding or solid-state sodium borohydride add catalyst solution.
For closed air-cooled fuel cell reaction heap or liquid cold fuel cell reactor, the oxygen air supply system includes
Liquid oxygen tank, electromagnetic valve, liquid oxygen pump, oxygen supply electromagnetic valve and circulating oxygen pump；
Liquid oxygen Jing electromagnetic valves are pumped out by liquid oxygen pump, into heat exchanger, which are fully gasified and are heated by heat exchanger；
By the cathode inlet of fuel cell reaction heap after oxygen supply electromagnetic valve after oxygen outflow heat exchanger after heating
Incoming fuel cell reaction heap, participates in electrochemical reaction electricity production；
The oxygen for not participating in electrochemical reaction flows out fuel cell reaction heap, and a part is again introduced into by circulating oxygen pump
Heat exchanger, time opening of the another part through cathode flush valve discharge cathode outlet with negative electrode hydrops；
Oxygen temperature sensor and oxygen pressure sensor are provided with the oxygen supply electromagnetic valve；
The oxygen temperature sensor is used for detecting the temperature of oxygen that the oxygen pressure sensor to be used for detecting oxygen
Pressure；
For closed air-cooled fuel cell reaction heap, the oxygen air supply system includes negative electrode filter and negative electrode wind
Machine, air are transported to fuel cell reaction heap by negative electrode blower fan after the filtration of negative electrode filter, in fuel cell reaction heap
Internal reference powers up chemical reaction；
The oxygen of electrochemical reaction is not participated in, and through the time opening of cathode flush valve, negative electrode is discharged with negative electrode hydrops and is gone out
Mouthful；
For open air-cooled fuel cell reaction heap, the oxygen air supply system is air, is promoted by cooling fan empty
Gas circulation provides oxygen and radiating.
Further, the heat management system for High Altitude UAV fuel cell module can include insulation cladding, and which is adopted
With double-layer shell structure, using light thermal-insulating material, maintenance fuel cell reaction heap ambient temperature is constant, is provided with outer layer for outer layer
Heat abstractor；Internal layer is sealed, and using lightweight metal material heat conduction and maintains ambient pressure stable；
The inside of internal layer is full of into noble gases before unmanned plane takes off；
The hydrogen source is placed on the outside of insulation cladding；
The liquid oxygen tank is placed on the outside of insulation cladding；
The cooling fan is arranged in insulation cladding, the outside of air-cooled fuel cell reaction heap；
The anode export and the hose connection outsides to the insulation cladding of cathode outlet Jing；
Temperature sensor, baroceptor and electric transmission line channel is provided with insulation cladding and with the one kind in lower interface
Or it is various：Hydrogen inlet, useless hydrogen outlet, liquid oxygen entrance, useless oxygen outlet, nitrogen inlet；
The temperature sensor opens the heat abstractor release portion of insulation cladding for detecting ambient temperature when temperature is too high
Divide heat, during moderate temperature, close the heat abstractor of insulation cladding；
The pressure transducer is used for detecting ambient pressure.
Compared with prior art, the beneficial effects of the utility model are：This utility model is by creating a stable combustion
Material battery is powered environment, it is possible to achieve normal operation of the fuel cell in altitude low temperature lower pressure environment.Will by using heat exchanger
Waste heat is heated for environment by radiator by the waste heat of fuel cell reaction heap for heating to fuel gas, is realized
The radiating of fuel cell reaction heap and fuel heating, environment heat the synchronization of three steps and carry out, and simplify fuel cell heat management
System.Stable by the closed ambient pressure that maintains of the internal layer of insulation cladding, the heat-insulated and radiating of insulation cladding outer layer maintains environment
Temperature stabilization.In view of the easily-controllable of ambient temperature and pressure and timely respond to, hydrogen container, liquid oxygen tank be placed in outside insulation cladding,
Reduce environment space.The system is applicable not only to altitude low temperature lower pressure environment, the low temperature being equally applicable in other special environments
Lower pressure environment.
Description of the drawings
Fig. 1 is unmanned plane hydrogen tank hydrogen storage liquid cold fuel cell heat management system figure；
Fig. 2 is the air-cooled fuel cell heat management system figure of unmanned plane hydrogen tank hydrogen storage；
Fig. 3 is the open air-cooled fuel cell heat management system figure of unmanned plane hydrogen tank hydrogen storage；
Fig. 4 is the closed air-cooled fuel cell heat management system figure of unmanned plane hydrogen tank hydrogen storage；
Fig. 5 is the open air-cooled fuel cell heat management system figure of unmanned plane solid-state hydrogen storage；
Fig. 6 is the closed air-cooled fuel cell heat management system figure of unmanned plane solid-state hydrogen storage；
Fig. 7 is the structural representation of liquid-cooling type fuel cell module insulation cladding.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in further detail：
This utility model be used for High Altitude UAV fuel cell module heat management system, including fuel cell reaction heap,
Heat exchanger, cooling system, insulation cladding；Fuel cell reaction heap is connected with the electric mode transfer block 6 on unmanned plane, electric mode transfer block 6 and machine
Carry dynamical system 7 to connect.
Fuel cell reaction heap in this utility model can according to working environment select air-cooled fuel cell reaction heap or
Liquid cold fuel cell reactor.
It is as shown in Figure 1 for the heat management system of liquid-cooling type fuel cell 16.Master of the reactor waste for heat management system
Want thermal source；Coolant in cooling circuit takes fuel cell reaction heap waste heat out of, and a portion is by heat exchanger to hydrogen
Gas and oxygen heating, a part are heated to fuel cell reaction heap environment by radiator 4.Wherein heat exchanger types can be pipe
Shell heat exchanger, plate type heat exchanger, double pipe heat exchanger etc.；Wherein coolant may be selected deionized water or 50% ethylene glycol is molten
Liquid；
Before liquid-cooling type fuel cell start-up, if desired for being heated for fuel cell environment by electric heater, it is oxygen and hydrogen
Gas is preheated；From ground launching apparatus, as surface temperature is adapted to, also can without preheating process；
When liquid-cooling type fuel cell is standby, such as equipment is in cold conditions, and insulation cladding is incubated for fuel cell environment, by too
Positive energy heater is environment concurrent heating.Wherein solar energy heating may be selected the modes such as solar energy electricity production is heated, solar energy is directly heated；
When liquid-cooling type fuel cell is in running order, coolant incoming fuel cell reaction heap coolant in radiator 4
Entrance, cools down plate runner through reactor, and coolant takes away fuel cell reaction heap waste heat, flows out from reactor coolant outlet,
Subsequently into heat exchanger, it is hydrogen and oxygen heating, and oxygen is gasified totally.Coolant exits into radiator from heat exchanger
4, radiator 4 is to its radiating and cooling, and fuel cell reaction heap environment is heated (radiator 4 adopts the good material of thermal conductivity,
Radiator is purged by radiator fan again and accelerates radiating, and promote gas circulation in environment), wherein radiator 4 can select U-shaped
Tube radiator, corrugated plating radiator etc..Cryogenic liquid is flowed out from radiator 4, and incoming fuel cell reaction heap, into the next one
Circulation；
Liquid-cooling type fuel cell module insulation cladding outer layer uses for example slim insulating moulding coating of light thermal-insulating material, organic heat-insulating
Material, inorganic heat insulation material etc., maintain fuel cell reaction heap ambient temperature constant；Internal layer is closed, using lightweight metal material,
Heat conductivity is good, maintains ambient pressure stable, as shown in fig. 7, have on housing hydrogen inlet 72, useless hydrogen outlet 76, liquid oxygen entrance 73,
Useless oxygen outlet 77, nitrogen inlet 71, temperature sensor 74, baroceptor 75, electric transmission line channel 78.Wherein temperature sensor
74 detection ambient temperatures, when temperature is too high, open insulation cladding radiator heat-dissipation, during moderate temperature, close insulation cladding radiator.Its
Middle pressure transducer 75 detects ambient pressure；
Oxygen air supply system：Liquid oxygen tank 1 is placed on outside insulation cladding.Liquid oxygen Jing liquid oxygen pumps 3 are pumped out, into heat exchanger, by
Which is fully gasified and is heated by heat exchanger.After heating, oxygen enters through 20 incoming fuel cell reaction heap negative electrode of oxygen supply electromagnetic valve
Mouthful, participate in electrochemical reaction electricity production.Oxygen temperature is detected by oxygen temperature sensor, oxygen is detected by oxygen pressure sensor
Atmospheric pressure (oxygen temperature sensor and pressure transducer are arranged on oxygen supply electromagnetic valve 20).The oxygen of electrochemical reaction is not participated in
Reactor is flowed out, a part is again introduced into circulating oxygen loop by circulating oxygen pump 5, and a part is through cathode flush valve 9
Time opening, discharges cathode outlet 10 with hydrops, and Jing flexible pipes are discharged into outside insulation cladding；
Hydrogen air supply system：Hydrogen container 11 is placed on outside insulation cladding.Hydrogen is subtracted by electromagnetic valve 2, then Jing air relief valve 12
Heat exchanger is entered after pressure, and being heated by heat exchanger (there are three runners inside heat exchanger：Oxygen, hydrogen, coolant, three streams
Road is mutually isolated).After heating, hydrogen is through hydrogen supply electromagnetic valve 13, by 14 secondary pressure of secondary decompression valve, incoming fuel battery
Reactor participates in electrochemical reaction electricity production.Hydrogen temperature is detected by hydrogen temperature sensor, is examined by hydrogen gas pressure sensor
Survey Hydrogen Vapor Pressure (temperature sensor and pressure transducer are all disposed within hydrogen supply electromagnetic valve 13).The hydrogen of electrochemical reaction is not participated in
Air-flow goes out reactor, and a part is again introduced into hydrogen closed circuit by hydrogen gas circulating pump 15, and a part washes away valve through anode
17 time opening, discharges anode export 18 with hydrops, and Jing flexible pipes are discharged into outside insulation cladding；
The heat-insulation system of fuel cell reaction heap adopts double Shell couveuse, unmanned plane before taking off to be full of box house
Nitrogen (is full of nitrogen, build a positive pressure environment, meet fuel cell reaction stack operation condition) inside internal layer shell.Internal layer
Shell is closed, using lightweight thermal conductive metallic material, it is ensured that environment is in certain air pressure range；Outer shell is protected using heat-barrier material
Temperature, and carry heat abstractor
For the plentiful environment unmanned plane fuel cell of oxygen heat management system as shown in figures 3 to 6, including air-cooled pile,
Cooling fan, heat exchanger, hydrogen supply gas circuit；
Wherein air-cooled pile 21 can select open or closed, and open air-cooled pile 22 provides oxygen by cross-ventilation
Gas and radiating, radiator fan 23 do not only have thermolysis, while the oxygen in air is provided for negative electrode, as shown in Figure 3 and Figure 5,
It is closed to provide oxygen (air through filtering and impurity removing, through negative electrode blower fan, into reactor negative electrode), such as Fig. 4 by aerator
With shown in Fig. 6；
Wherein cooling fan is air-cooled fuel cell reaction heap oxygen supply, radiating, while heat for environment, it is specific as follows：It is cold
But fan is located in housing, and air flows through fuel cell reaction heap cathode flow channels, participates in electrochemical reaction, is flowed out from cathode outlet
And take away reactor heat；The cooling fan of open air-cooled pile had not only conveyed air to anode but also had dissipated to fuel cell reaction heap
Heat, the cooling fan of closed air-cooled pile 27 only have thermolysis.
Wherein (steam is blowed to heat exchanger to the absorption of heat exchanger 19 fan waste heat by cooling fan, and heat exchanger Heat Conduction Material absorbs
Heat simultaneously carries out heat exchange with hydrogen), it is hydrogen and air heating；
Wherein hydrogen source can select high-pressure hydrogen storing tank 24, as shown in Figure 1, Figure 2, Figure 3, Figure 4, or solid-state hydrogen storage, for example
Sodium borohydride hydrogen storage, as shown in Figure 5, Figure 6, sodium borohydride produces hydrogen three kinds of different modes：Sodium borohydride aqueous solution reinforces state
Catalyst 28,30 mixing and water adding 29 of solid-state sodium borohydride and catalyst, solid-state sodium borohydride add the aqueous solution containing catalyst, three kinds
Mode can be used.
This practicality is illustrated below by unmanned plane hydrogen tank hydrogen supply liquid cold fuel cell heat management system as shown in Figure 1
New effect：
The present embodiment is that fuel battery power peak value is 15kw, and mean power is high in 20km from the ground for the unmanned plane of 10kw
Air fuel cell heat management system, -45 degrees Celsius of 20km temperature alofts, air pressure is 5KPa, very small amount oxygen.
It is computed, the heat of fuel cell reaction heap 1h releases is 5kwh, and required hydrogen and oxygen heating are to 45 degrees Celsius
The heat of absorption is 1.4kwh, it is contemplated that after the heat needed for filling gas heating, the heat of release is far longer than needed for absorbing
Heat, so designing radiator in insulation cladding housing outer layer, prevents environment overheated.
Before fuel cell start-up, hydrogen supply valve, oxygen supply valve is closed, (unmanned plane is filled out on ground before taking off to open nitrogen steam supply valve
Inflated with nitrogen, reduces system bulk and weight).To enclosed environment filling gas, insulation cladding prevents the temperature of environment and pressure to be lost in.
When fuel cell is standby, if ambient temperature is too low, starts solar heater and (be placed on outside housing, using internal layer
The conduction of heat of shell is heated to internal medium, reduces the punching of shell as far as possible, reduces the leakage probability of sealing inner layer case), it is environment
Concurrent heating closes solar heater to room temperature.Insulation cladding radiator heat-dissipation is opened when overheated.When fuel cell reaction heap is standby not
Superheat state occurs.
During fuel cell operation, starting coolant closed circuit (needs in only Fig. 1, for Fig. 2-Fig. 6, avoids the need for
Start coolant closed circuit), oxygen steam supply valve and hydrogen steam supply valve is opened, oxygen and hydrogen enter heat exchanger by trachea,
Temperature after oxygen temperature sensor and the detection heating of hydrogen temperature sensor, the circulation of incoming fuel air supply system.Radiator is
Environment concurrent heating, if environment is overheated, opens insulation cladding radiator heat-dissipation.Wherein nitrogen can be replaced with other noble gases.
In this utility model, heat management system realizes fuel cell to High Altitude UAV in low-temp low-pressure oxygen-free environment
Power supply.The radiating and fuel heating, environment for realizing fuel cell reaction heap is heated the synchronization of three steps and is carried out, and simplifies traditional combustion
Material battery thermal management system structure.The system is applicable not only to altitude low temperature lower pressure environment, is equally applicable to other special environments
In low-temp low-pressure environment.
Above-mentioned technical proposal is a kind of embodiment of the present utility model, for those skilled in the art,
The utility model discloses on the basis of principle, it is easy to make various types of improvement or deformation, be not limited solely to this reality
It is with the structure described by new above-mentioned specific embodiment therefore previously described simply preferred, and it is not restrictive
Meaning.
Claims (8)
1. a kind of heat management system for High Altitude UAV fuel cell module, the High Altitude UAV fuel cell module bag
Include fuel cell reaction heap, oxygen air supply system and hydrogen air supply system, it is characterised in that：The heat management system includes heat exchange
Device and cooling system；
By heat exchanger to hydrogen and oxygen heating, another part passes through the waste heat part that the fuel cell reaction heap is produced
Cooling system is heated to the environment space residing for fuel cell reaction heap；
The fuel cell reaction heap is air-cooled fuel cell reaction heap or liquid cold fuel cell reactor, the air-cooled fuel electricity
Pond reactor includes closed air-cooled fuel cell reaction heap and open air-cooled fuel cell reaction heap.
2. the heat management system for High Altitude UAV fuel cell module according to claim 1, it is characterised in that：Institute
Heat exchanger is stated for shell-and-tube heat exchanger, plate type heat exchanger or double pipe heat exchanger.
3. the heat management system for High Altitude UAV fuel cell module according to claim 2, it is characterised in that：It is right
In air-cooled fuel cell reaction heap, the cooling system includes cooling fan；
Air flows through fuel cell reaction heap cathode flow channels and participates in electrochemical reaction, flows out from fuel cell reaction heap, takes away combustion
Material cell reaction heap waste heat；By hot blow to heat exchanger, it is hydrogen and air that the Heat Conduction Material of heat exchanger absorbs heat to cooling fan
Heating, while cooling fan promotes the hot gas cycle of air-cooled fuel cell reaction heap environment space.
4. the heat management system for High Altitude UAV fuel cell module according to claim 3, it is characterised in that：It is right
In liquid cold fuel cell reactor, the cooling system includes radiator and the fan being arranged on by radiator；
The cooling entrance that coolant in the radiator passes through on liquid cold fuel cell reactor from after radiator outflow is entered
Liquid cold fuel cell reactor, the cooling plate runner in liquid cold fuel cell reactor take away the reaction of liquid cold fuel cell
The waste heat that heap is produced, flows out from the coolant outlet of liquid cold fuel cell reactor, subsequently into heat exchanger, to hydrogen in heat exchanger
Gas and oxygen are heated, and oxygen is gasified totally, and then coolant is flowed out from heat exchanger, returns to radiator, coolant
Heat is transmitted to outside the coolant flow channel of radiator through the Heat Conduction Material in radiator, using the fan by blowing heat to liquid
In cold fuel cell reactor environment space, the cryogenic liquid after radiating is flowed out from radiator, anti-into liquid cold fuel cell
Heap is answered, starts next circulation；
The radiator adopts U-tube radiator or corrugated plating radiator；
The coolant adopts deionized water or 50% ethylene glycol solution.
5. according to the arbitrary described heat management system for High Altitude UAV fuel cell module of Claims 1-4, its feature
It is：The hydrogen air supply system includes that hydrogen source, electromagnetic valve, the first air relief valve, hydrogen supply electromagnetic valve, the second air relief valve and hydrogen are followed
Ring pump；
Hydrogen enters heat exchanger by electromagnetic valve, then Jing after the decompression of the first air relief valve, heats hydrogen by heat exchanger；
Through hydrogen supply electromagnetic valve after hydrogen outflow heat exchanger after heating, then the secondary pressure by secondary decompression valve, into combustion
Material cell reaction heap participates in electrochemical reaction electricity production；
The excess hydrogen for not participating in electrochemical reaction flows out fuel cell reaction heap, and a part is again introduced into by hydrogen gas circulating pump
Fuel cell reaction heap, another part wash away the time opening of valve through anode, discharge anode export with anode hydrops；
Hydrogen temperature sensor and hydrogen gas pressure sensor are provided with the hydrogen supply electromagnetic valve；
The hydrogen temperature sensor is used for detecting the temperature of hydrogen that the hydrogen gas pressure sensor to be used for detecting the pressure of hydrogen
Power.
6. the heat management system for High Altitude UAV fuel cell module according to claim 5, it is characterised in that：Institute
State hydrogen source and solid catalyst, solid-state sodium borohydride and catalyst are added using high-pressure hydrogen storing tank, solid-state hydrogen storage, sodium borohydride aqueous solution
Mixing and water adding or solid-state sodium borohydride add catalyst solution.
7. the heat management system for High Altitude UAV fuel cell module according to claim 6, it is characterised in that：It is right
In closed air-cooled fuel cell reaction heap or liquid cold fuel cell reactor, the oxygen air supply system includes liquid oxygen tank, electricity
Magnet valve, liquid oxygen pump, oxygen supply electromagnetic valve and circulating oxygen pump；
Liquid oxygen Jing electromagnetic valves are pumped out by liquid oxygen pump, into heat exchanger, which are fully gasified and are heated by heat exchanger；
Entered by the cathode inlet of fuel cell reaction heap after oxygen supply electromagnetic valve after oxygen outflow heat exchanger after heating
Fuel cell reaction heap, participates in electrochemical reaction electricity production；
The oxygen for not participating in electrochemical reaction flows out fuel cell reaction heap, and a part is again introduced into heat exchange by circulating oxygen pump
Device, time opening of the another part through cathode flush valve discharge cathode outlet with negative electrode hydrops；
Oxygen temperature sensor and oxygen pressure sensor are provided with the oxygen supply electromagnetic valve；
The oxygen temperature sensor is used for detecting the temperature of oxygen that the oxygen pressure sensor to be used for detecting the pressure of oxygen
Power；
For closed air-cooled fuel cell reaction heap, the oxygen air supply system includes negative electrode filter and negative electrode blower fan, empty
Gas is transported to fuel cell reaction heap by negative electrode blower fan after the filtration of negative electrode filter, participates in fuel cell reaction heap
Electrochemical reaction；
The oxygen of electrochemical reaction is not participated in, and through the time opening of cathode flush valve, cathode outlet is discharged with negative electrode hydrops；
For open air-cooled fuel cell reaction heap, the oxygen air supply system is air, promotes air to follow by cooling fan
Ring provides oxygen and radiating.
8. the heat management system for High Altitude UAV fuel cell module according to claim 7, it is characterised in that：Institute
Stating the heat management system for High Altitude UAV fuel cell module includes insulation cladding, and which adopts double-layer shell structure, outer layer to adopt
Light thermal-insulating material is used, and is maintained fuel cell reaction heap ambient temperature constant, heat abstractor is provided with outer layer；Internal layer is sealed, and is adopted
With lightweight metal material heat conduction and maintain ambient pressure stable；
The inside of internal layer is full of into noble gases before unmanned plane takes off；
The hydrogen source is placed on the outside of insulation cladding；
The liquid oxygen tank is placed on the outside of insulation cladding；
The cooling fan is arranged in insulation cladding, the outside of air-cooled fuel cell reaction heap；
The anode export and the hose connection outsides to the insulation cladding of cathode outlet Jing；
Temperature sensor, baroceptor and electric transmission line channel is provided with insulation cladding and with one kind in lower interface or many
Kind：Hydrogen inlet, useless hydrogen outlet, liquid oxygen entrance, useless oxygen outlet, nitrogen inlet；
The temperature sensor is used for detecting ambient temperature, when temperature is too high, opens the heat abstractor release part heat of insulation cladding
Amount, during moderate temperature, closes the heat abstractor of insulation cladding；
The pressure transducer is used for detecting ambient pressure.
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| CN107634242A (en) * | 2016-07-19 | 2018-01-26 | 北京晟泽科技有限公司 | A kind of heat management system and method for High Altitude UAV fuel cell module |
| CN108400367A (en) * | 2018-02-06 | 2018-08-14 | 浙江高成绿能科技有限公司 | A kind of fuel cell cold-starting operating component |
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Effective date of registration: 20210903 Address after: 300000 plant 1, intelligent equipment Park, Lingang Economic Zone, Binhai New Area, Tianjin Patentee after: Tianjin New Hydrogen Power Technology Co.,Ltd. Address before: 1105, 10th floor, building 1, No. 58, South East Third Ring Road, Chaoyang District, Beijing 100021 Patentee before: BEIJING SHENGZE TECHNOLOGY Co.,Ltd. |