CN207441869U - A kind of fuel cell compressed air induction system of hydraulic drive - Google Patents
A kind of fuel cell compressed air induction system of hydraulic drive Download PDFInfo
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- CN207441869U CN207441869U CN201721516937.XU CN201721516937U CN207441869U CN 207441869 U CN207441869 U CN 207441869U CN 201721516937 U CN201721516937 U CN 201721516937U CN 207441869 U CN207441869 U CN 207441869U
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- fuel cell
- housing
- armature spindle
- compressed air
- liquid
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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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/84—Data processing systems or methods, management, administration
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Abstract
A kind of fuel cell compressed air induction system of hydraulic drive, including：Housing, armature spindle, hydraulic turbine, compressor housings, compressor impeller, exhaust volute body and exhaust driven gas turbine.Since the highly pressurised liquid of the pressure liquid pump generation using fuel cell is entered by flow channel for liquids entrance in housing hydraulic turbine is promoted to rotate, so that armature spindle generates rotation, highly pressurised liquid is flowed back by liquid outlet.Armature spindle driving compressor impeller rotates the cathode inlet passage for generating the compressed gas of high pressure by compressed air outlet inflow fuel cell, provides the super charge of fuel cell system.The exhaust gas driven exhaust driven gas turbine of the cathode exhaust gas passage of fuel cell rotates simultaneously, realize armature spindle double drive dynamic supercharging device, by adjusting hydraulic drive energy proportion, realize the optimization operation of super charge, both charge flow rate and pressure requirements are met, fluid power energy is saved again, improves fuel cell system efficiency.
Description
Technical field
The utility model is related to field of fuel cell technology, and in particular to a kind of fuel cell super charge of hydraulic drive
System.
Background technology
Air supply system needs the stabilization for pile, optimization to run the compression sky for providing appropriate pressure, temperature, humidity
Gas is the key equipment of proton membrane fuel battery.The performance of air supply system is to the efficiency of fuel cell system, volume, again
Amount and transient response etc. are respectively provided with material impact.Fuel cell is carried out under certain temperature, humidity and gas pressure,
With the release of certain heat, the air in air supply system has the spy of high temperature, high humidity, high pressure, big flow and oil-free
Sign, the intervention of fluid can reduce the catalytic action of fuel-cell catalyst, substantially reduce fuel battery engines power output.
However, there are more technical limitations for existing compressed air induction system.
First, there is centrifugal-flow compressor high energy efficiency, output pressure height, pressurization gas humidity to change small, equipment knot
Structure is compact, the comparative advantages such as small, it is considered to be promising super charge route obtains extensive concern.It is more both at home and abroad
A documents propose respectively it is based on centrifugal principle, the electronic supercharging of centrifugal supercharging impeller is driven using high-speed motor
Device scheme, the technology for also having similar products are reported.Centrifugal compressor characteristic show flow and pressure ratio all with rotating speed rise and
Increase.In order to improve pressure and flow, centrifugal air compressor often using ultrahigh rotating speed 20KRPM, even as high as 100KRPM, causes
Permanent magnet material in high speed rotor of motor is made to bear the destruction of centrifugal force.
Second, high rotating speed lower rotor part support technology aspect runs into great challenge.For example, due to high-speed motor rotor-support-foundation system
The factors such as quality is larger, magnetic fields pulsation, it is difficult to meet and balance steady, resistance to strong motion, without skills such as oil vapour pollution, resistance to high rotating speeds
Art requirement.Industry sources, patent gazette etc. report electric booster using air suspension bearing or liquid floating axle in recent years
It holds.But there are the shortcomings that start-up course effect is poor, anti-vibrating and impact ability is weak for air-bearing；And use liquid bearing then necessary
Ensure dry type rotor, to reduce power consumption；It needs that rotor is kept to seal with respect to lubricant medium, sealing technology and service life side
The restraining factors in face are difficult to solve.
3rd, the whole efficiency less than the motor of ten kw of power magnitudes is relatively low, and the heat dissipation and cooling of high-speed electric expreess locomotive
Problem.
Utility model content
The utility model provides a kind of realization fuel cell clean air feed and performance to overcome the shortcomings of more than technology
The fuel cell compressed air induction system of the hydraulic drive of hydraulic pressure suspension bearing advantage.
Technical solution is used by the utility model overcomes its technical problem：
A kind of fuel cell compressed air induction system of hydraulic drive, which is characterized in that including：
Housing, internal to have cavity, one end of the cavity of the housing sets the volute liquid flow for accommodating hydraulic turbine
Road；Flow channel for liquids entrance and liquid outlet are provided on the housing；
Armature spindle is rotatablely installed by liquid bearing I in housing；
Hydraulic turbine, the middle part for being coaxially installed on armature spindle, are engaged with flow channel for liquids；
Compressor housings are installed on shell one end, are provided with air intlet and compressed air outlet, the compressed air
Outlet is connected to the cathode inlet passage of fuel cell；
Compressor impeller, in compressor casing body, and it is coaxially installed on one end of armature spindle；
Volute body is vented, the housing other end is installed on, is provided with air inlet and offgas outlet, the air inlet is connected to
The cathode exhaust gas passage of fuel cell；And
Exhaust driven gas turbine, in exhaust volute body, and it is coaxially installed on the other end of armature spindle；
The flow channel for liquids entrance is connected to the high pressure end of the liquid pump of fuel cell system, goes out liquid on the housing
The low-pressure reflux end of mouth connection liquid pump.
In order to improve the lubrication to bearing, the lubrication channel being connected with liquid bearing I is provided on above-mentioned housing.
In order to which air inlet is smooth, the air intlet of above-mentioned compressor housings and the axial same axis of armature spindle.
For smooth in exhaust, the offgas outlet of above-mentioned exhaust volute body and the axial same axis of armature spindle.
In order to improve leakproofness, further include and be arranged at liquid bearing I and compressor impeller phase between armature spindle and housing
The sealing element II of isolation.
In order to improve leakproofness, the separator being arranged in housing is further included, armature spindle passes through the centre bore of separator simultaneously
It is concentric, the sealing element I for isolating exhaust driven gas turbine and hydraulic turbine is provided between the separator and armature spindle.
In order to realize radial support, the bearing block being arranged in housing is further included, the bearing block is equipped with liquid bearing
II, the inner hole of armature spindle and liquid bearing II is installed, and the radial load of armature spindle is transferred to bearing block by liquid bearing II.
In order to improve the lubrication to bearing, the lubrication channel being connected with liquid bearing II is provided on the bearing block.
In order to reduce axial force, arranged direction of the above-mentioned compressor impeller with hydraulic turbine vertically is identical, hydraulic turbine
It is opposite with the arranged direction of exhaust driven gas turbine vertically.
The beneficial effects of the utility model are：Since the highly pressurised liquid of the liquid pump generation using fuel cell system passes through
Flow channel for liquids entrance enters flow channel for liquids in housing and hydraulic turbine is promoted to rotate, so that armature spindle generates rotation, liquid leads to
Cross liquid outlet reflux.Meanwhile the cathode exhaust gas of fuel cell contains higher temperature and certain pressure, which enters exhaust driven gas turbine
Form the second driving power of booster, i.e. " fluid power --- exhaust is double dynamical " driving supercharger rotor.Compressor impeller companion
Armature spindle high-speed rotation and the gases at high pressure that generate flow into the cathode inlet passage of fuel cell by compressed air outlet, provide
The super charge of fuel cell system.By adjusting ratio double dynamical shared by hydraulic drive energy, realize that super charge point is
The optimization operation of system, not only meets charge flow rate and pressure requirements, but also makes full use of exhaust energy, saves fluid power energy.So as to aobvious
The total electricity for reducing super charge link actual consumption is write, promotes the quiet output power of fuel cell.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
In figure, 1. housing, 2. armature spindle, 3. liquid outlet, 4. liquid bearing, I 5. bearing block, 6. liquid bearing II 7. profit
12. sealing element I of slide-through road 8. compressor impeller, 9. compressor housings, 10. compressed air outlet, 11. flow channel for liquids entrance
13. it is vented 18. sealing element of volute body 14. air inlet, 15. exhaust driven gas turbine, 16. offgas outlet, 17. separator, II 19. fluid power
Turbine.
Specific embodiment
1 pair of the utility model is described further below in conjunction with the accompanying drawings.
A kind of fuel cell compressed air induction system of hydraulic drive, which is characterized in that including：Housing 1, it is internal that there is sky
Chamber, one end of the cavity of housing 1 set the volute flow channel for liquids for accommodating hydraulic turbine；Flow channel for liquids entrance is provided on housing 1
11 and liquid outlet 3；Armature spindle 2, by the rotational installation of liquid bearing I 4 in housing 1；Hydraulic turbine 19, be coaxially installed on turn
The middle part of sub- axis 2, is engaged with flow channel for liquids；Compressor housings 9 are installed on 1 one end of housing, be provided with air into
Mouth and compressed air outlet 10, compressed air outlet 10 are connected to the cathode inlet passage of fuel cell；Compressor impeller 8, position
In in compressor housings 9, and it is coaxially installed on one end of armature spindle 2；Volute body 13 is vented, is installed on 1 other end of housing,
Air inlet 14 and offgas outlet 16 are provided with, air inlet 14 is connected to the cathode exhaust gas passage of fuel cell；And exhaust driven gas turbine
15, in exhaust volute body 13, and it is coaxially installed on the other end of armature spindle 2；Flow channel for liquids entrance 11 is connected to fuel
The high pressure end of the liquid pump of battery system, the liquid outlet 3 on housing 1 connect the low-pressure reflux end of liquid pump.Due to utilizing
It is pushed away in the flow channel for liquids that the highly pressurised liquid that the pressure liquid pump of fuel cell generates is entered by flow channel for liquids entrance 11 in housing 1
Dynamic hydraulic turbine 19 rotates, so that armature spindle 2 generates rotation, liquid is flowed back by liquid outlet 3.Armature spindle 2 drives compressor
Impeller 8 rotates the cathode inlet passage that the gases at high pressure generated flow into fuel cell by compressed air outlet 10, provides fuel
Battery system super charge.The exhaust of the cathode exhaust gas passage of fuel cell drives 15 turns of exhaust driven gas turbine by air inlet 14 simultaneously
Dynamic, i.e., armature spindle 2 is subject to fluid power and the driving of the dual dynamic of exhaust.By the ratio for adjusting dual dynamic shared by hydraulic drive energy
Example realizes the optimization operation of super charge, and the technical solution of the utility model had both met the charge flow rate and pressure requirements of pile,
Exhaust energy can be utilized again, save fluid power energy.Finally improve the efficiency of fuel cell system.
Preferably, the lubrication channel 7 being connected with liquid bearing I 4 is provided on housing 1.It can be with by lubrication channel 7
Lubricant is provided for liquid bearing I 4, improves the service life of liquid bearing I 4.
Further, the axial same axis of the air intlet of compressor housings 9 and armature spindle 2.It is vented the tail of volute body 13
Gas outlet 16 and the axial same axis of armature spindle 2.The axial same axis of air intlet and armature spindle 2 can admit air into housing
9 flow direction is identical with the axial direction of compressor impeller 8, improves the smoothness of air-breathing.Row's offgas outlet of air exhauster housing 13
16 is identical with the axial direction of exhaust driven gas turbine 15 with the axial same axis of armature spindle 2 direction that can discharge tail gas, improves exhaust
Smoothness.
Further, further include to be arranged between armature spindle 2 and housing 1 and be separated by liquid bearing I 4 and compressor impeller 8
From sealing element II 18.Armature spindle 2 and housing 1 are formed dynamic sealing relation by sealing element II 18, are improved leakproofness, are prevented shell
Liquid inside body 1 enters in compressor housings 9.
Further, the separator 17 being arranged in housing 1 is further included, armature spindle 2 passes through the centre bore of separator 17 simultaneously
It is concentric, the sealing element I for isolating exhaust driven gas turbine 15 and hydraulic turbine 19 is provided between the separator 17 and armature spindle 2
12.For concentric circle holes among separator 17 for accommodating sealing element I 12, sealing element I 12 will be in exhaust driven gas turbine 15 and housing 1
Highly pressurised liquid is isolated, and improves leakproofness.
Preferably, the bearing block 5 being arranged in housing 1 is further included, bearing block 5 is equipped with liquid bearing II 6, armature spindle 2
It is installed with the inner hole of liquid bearing II 6, the radial load of armature spindle 2 is transferred to bearing block 5 by liquid bearing II 6.Pass through
II 6 pairs of armature spindles 2 of liquid bearing provide radial support, effectively reduce deformation caused by the radial load of armature spindle 2.Bearing block 5
On be provided with the lubrication channel 7 being connected with liquid bearing II 6.Can be that liquid bearing II 6 provides profit by lubrication channel 7
Lubrication prescription improves the service life of liquid bearing II 6.
Preferably, direction of the compressor impeller 8 with hydraulic turbine 19 vertically is identical, hydraulic turbine 19 and exhaust driven gas turbine 15
Back-to-back setting is carried out vertically, and the program can effectively reduce the axial force that rotor is subject to.
Claims (9)
1. a kind of fuel cell compressed air induction system of hydraulic drive, which is characterized in that including：
Housing（1）, it is internal that there is cavity, the housing（1）Cavity one end set accommodate hydraulic turbine volute liquid
Runner；The housing（1）On be provided with flow channel for liquids entrance（11）And liquid outlet（3）；
Armature spindle（2）, pass through liquid bearing I（4）It is rotatablely installed in housing（1）In；
Hydraulic turbine（19）, be coaxially installed on armature spindle（2）Middle part, be engaged with flow channel for liquids；
Compressor housings（9）, it is installed on housing（1）One end is provided with air intlet and compressed air outlet（10）, the pressure
Contracting air outlet slit（10）It is connected to the cathode inlet passage of fuel cell；
Compressor impeller（8）, positioned at compressor housings（9）It is interior, and it is coaxially installed on armature spindle（2）One end；
It is vented volute body（13）, it is installed on housing（1）The other end is provided with air inlet（14）And offgas outlet（16）, it is described
Air inlet（14）It is connected to the cathode exhaust gas passage of fuel cell；And
Exhaust driven gas turbine（15）, positioned at exhaust volute body（13）It is interior, and it is coaxially installed on armature spindle（2）The other end；
The flow channel for liquids entrance（11）It is connected to the high pressure end of the liquid pump of fuel cell system, the housing（1）On
Liquid outlet（3）Connect the low-pressure reflux end of liquid pump.
2. the fuel cell compressed air induction system of hydraulic drive according to claim 1, it is characterised in that：The housing
（1）On be provided with and liquid bearing I（4）The lubrication channel being connected（7）.
3. the fuel cell compressed air induction system of hydraulic drive according to claim 1, it is characterised in that：The compressor
Housing（9）Air intlet and armature spindle（2）Axial same axis.
4. the fuel cell compressed air induction system of hydraulic drive according to claim 1, it is characterised in that：The exhaust whirlpool
Housing（13）Offgas outlet（16）With armature spindle（2）Axial same axis.
5. the fuel cell compressed air induction system of hydraulic drive according to claim 1, it is characterised in that：Further include setting
In armature spindle（2）With housing（1）Between by liquid bearing I（4）With compressor impeller（8）The sealing element II being isolated（18）.
6. the fuel cell compressed air induction system of hydraulic drive according to claim 1, it is characterised in that：Further include setting
In housing（1）In separator（17）, armature spindle（2）Through separator（17）Centre bore and concentric, the separator
（17）With armature spindle（2）Between be provided with exhaust driven gas turbine（15）With hydraulic turbine（19）The sealing element I being isolated（12）.
7. the fuel cell compressed air induction system of hydraulic drive as claimed in any of claims 1 to 6, feature exist
In：It further includes and is arranged at housing（1）In bearing block（5）, the bearing block（5）Liquid bearing II is installed（6）, armature spindle
（2）With liquid bearing II（6）Inner hole installation, liquid bearing II（6）By armature spindle（2）Radial load be transferred to bearing block
（5）.
8. the fuel cell compressed air induction system of hydraulic drive according to claim 7, it is characterised in that：The bearing block
（5）On be provided with and liquid bearing II（6）The lubrication channel being connected（7）.
9. the fuel cell compressed air induction system of hydraulic drive according to claim 1, it is characterised in that：The compressor
Impeller（8）With hydraulic turbine（19）Arranged direction vertically is identical, hydraulic turbine（19）With exhaust driven gas turbine（15）Vertically
Arranged direction is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721516937.XU CN207441869U (en) | 2017-11-15 | 2017-11-15 | A kind of fuel cell compressed air induction system of hydraulic drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721516937.XU CN207441869U (en) | 2017-11-15 | 2017-11-15 | A kind of fuel cell compressed air induction system of hydraulic drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441869U true CN207441869U (en) | 2018-06-01 |
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ID=62289262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721516937.XU Active CN207441869U (en) | 2017-11-15 | 2017-11-15 | A kind of fuel cell compressed air induction system of hydraulic drive |
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| CN (1) | CN207441869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946613A (en) * | 2017-11-15 | 2018-04-20 | 孙军 | A kind of fuel cell compressed air induction system of hydraulic drive |
| CN112983848A (en) * | 2021-02-04 | 2021-06-18 | 北京稳力科技有限公司 | Fuel cell stack and gas supply device |
-
2017
- 2017-11-15 CN CN201721516937.XU patent/CN207441869U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946613A (en) * | 2017-11-15 | 2018-04-20 | 孙军 | A kind of fuel cell compressed air induction system of hydraulic drive |
| CN112983848A (en) * | 2021-02-04 | 2021-06-18 | 北京稳力科技有限公司 | Fuel cell stack and gas supply device |
| CN112983848B (en) * | 2021-02-04 | 2023-02-10 | 北京稳力科技有限公司 | Fuel cell stack and gas supply device |
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