CN105365594A - Hydrogen fuel power system and hydrogen fuel power tram - Google Patents
Hydrogen fuel power system and hydrogen fuel power tram Download PDFInfo
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- CN105365594A CN105365594A CN201510757397.3A CN201510757397A CN105365594A CN 105365594 A CN105365594 A CN 105365594A CN 201510757397 A CN201510757397 A CN 201510757397A CN 105365594 A CN105365594 A CN 105365594A
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- hydrogen
- hydrogen fuel
- fuel power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to the technical field of fuel cells, and specifically relates to a hydrogen fuel power system and a hydrogen fuel power tram. The hydrogen fuel power system comprises a hydrogen fuel cell, a hydrogen storage device, a cooling system, a uni-directional direct-current converter, a direct-current bus and a control device. The hydrogen fuel power tram comprises the hydrogen fuel power system, wherein the direct-current bus is connected with a traction motor through a traction inverter, and supplies power to the traction motor; and the direct-current bus is connected with auxiliary electric equipment, and supplies power to the auxiliary electric equipment. The invention provides a hydrogen fuel power system and a hydrogen fuel power tram. The tram is supplied with power through the hydrogen fuel power system, and non-contact-network current collection of the whole line is realized, thus the aesthetic property of a city is ensured; and moreover, the hydrogen fuel cell is green and environment-friendly.
Description
Technical field
The present invention relates to field of fuel cell technology, particularly relate to a kind of hydrogen fuel power system and hydrogen fuel power tramway train.
Background technology
Fuel cell is a kind of power generation assembly chemical power be present in fuel and oxidizer being converted into electric energy, is a kind of novel power generation device of efficient, environmental protection, has apply widely in every field.Hydrogen cell uses this chemical element of hydrogen, and manufacturing the battery of stored energy, owing to only generating water in the reaction of hydrogen cell, is therefore a kind of energy of environmental protection.
Build the present of high speed development at tramway train, traditional tramway train must adopt contact system to power, thus affects the view in city.In order to arrange without Grid at important area, fuel cell is installed in tramway train, especially the hydrogen cell of environmental protection is installed in tramway train, become urgent problem.
But at present, fuel cell major applications is in low-power applications place, for high-power applications place, such as tramway train, the power produced due to it can not meet integrated demand, and along with the increase of power grade, its structure also relative complex, and the high-power cost of hydrogen cell that causes increases.Therefore, hydrogen fuel power system also needs further strengthening, could meet growing demand.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention there is provided a kind of hydrogen fuel power system and hydrogen fuel power tramway train, is that tramway train is powered by hydrogen fuel power system, realizes no touch net completely and is flowed, ensure that the attractive in appearance of city, and environmental protection.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of hydrogen fuel power system and hydrogen fuel power tramway train.
A kind of hydrogen fuel power system, comprises hydrogen cell, hydrogen-storing device, cooling system, Unidirectional direct-current changer, DC bus and control setup; Described hydrogen cell produces electric energy;
Described hydrogen cell is connected with hydrogen-storing device, described hydrogen-storing device according to described hydrogen cell internal pressure for described hydrogen cell provides hydrogen;
Described hydrogen cell is connected with cooling system, and described cooling system is that the hot water that described hydrogen cell is discharged is lowered the temperature and sends described hydrogen cell back to;
Described hydrogen-fueled system, Unidirectional direct-current changer are connected successively with DC bus, and the boost in voltage of described electric energy to power supply voltage, and is transmitted it to described DC bus by described Unidirectional direct-current changer;
Described control setup controls described cooling system, hydrogen-storing device respectively.
Further, aforementioned hydrogen cell comprises the sub-battery that at least one is connected in series.
Further, aforementioned hydrogen-storing device, by pressure purger and described sub-cell communication, after the hydrogen step-down that described pressure purger exports described hydrogen-storing device, is delivered to described sub-battery.
Further, be provided with pressure sensor in aforementioned sub-battery, described control setup controls the amounts of hydrogen of described hydrogen-storing device to described sub-battery conveying according to the force value that pressure sensor detects.
Further, aforementioned cooling system is provided with the water outlet identical with described sub-number of batteries and water inlet, and described water outlet and water inlet are connected with corresponding sub-battery respectively.
Further, the water outlet of aforementioned cooling system is provided with the first temperature sensor, the water inlet of described cooling system is provided with the second temperature sensor, the cooling power of the temperature difference Controlled cooling system that described control setup collects according to described first temperature sensor and the second temperature sensor.
Further, also comprise closed-center system, described closed-center system is connected with described DC bus, and described closed-center system is used for storing or discharging described electric energy.
Further, aforementioned closed-center system comprises lithium cell and/or super capacitor.
A kind of hydrogen fuel power tramway train, comprises aforesaid hydrogen fuel power system; Described DC bus is connected with traction electric machine by traction invertor, and powers for described traction electric machine; Described DC bus is connected with auxiliary consumer, and powers for described auxiliary consumer.
Further, aforementioned closed-center system, hydrogen cell, cooling system, Unidirectional direct-current changer, traction invertor and closed-center system are arranged at joint or a more piece car body top of described hydrogen fuel power tramway train respectively.
(3) beneficial effect
Technique scheme of the present invention has following beneficial effect:
A kind of hydrogen fuel power system provided by the invention, hydrogen-storing device for hydrogen cell provides hydrogen, ensures the supply of hydrogen in hydrogen cell according to hydrogen cell internal pressure, and the pressure of hydrogen cell inside will be caused excessive because of transition supply; Cooling system is that the hot water that hydrogen cell is discharged is lowered the temperature and sends hydrogen cell back to, can effectively prevent the temperature of hydrogen cell too high; The boost in voltage of electric energy to power supply voltage, and is transmitted it to DC bus, so that power to consumer by Unidirectional direct-current changer.The principle of work of hydrogen cell is: with the oxygen in hydrogen and air, reacts under the effect of catalyst, produces electricity and water.Owing to only generating water in reaction, be therefore a kind of energy of environmental protection.
A kind of hydrogen fuel power tramway train provided by the invention, by hydrogen cell for its consumer is powered, have employed the energy of green non-pollution, the cost that traditional street railway arranges contact system electric power system can be saved, realize no touch net completely and flowed.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of hydrogen fuel power system of the present invention;
Fig. 2 is the front view of hydrogen fuel power tramway train of the present invention;
Fig. 3 is the birds-eye view of hydrogen fuel power tramway train of the present invention.
Wherein, 1: hydrogen-storing device; 2: hydrogen cell; 3: cooling system; 4: Unidirectional direct-current changer; 5: closed-center system; 6: traction invertor; 7: traction electric machine; 8: DC bus; 9: auxiliary consumer.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
In describing the invention, it should be noted that, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, also it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, visual particular case understands above-mentioned term concrete meaning in the present invention.
Embodiment one
As shown in Figure 1, a kind of hydrogen fuel power system that the present embodiment provides, comprises hydrogen cell 2, hydrogen-storing device 1, cooling system 3, Unidirectional direct-current changer 4, DC bus 8 and control setup.
Wherein, hydrogen cell 2 produces electric energy, with the oxygen in hydrogen and air, reacts under the effect of catalyst, produces electricity and water, for hydrogen fuel power system provides a kind of energy of environmental protection.Hydrogen cell 2 is connected with hydrogen-storing device 1, hydrogen-storing device 1 according to hydrogen cell 2 internal pressure for hydrogen cell 2 provides hydrogen; Hydrogen cell 2 is connected with cooling system 3, and cooling system 3 is the hot water cooling that hydrogen cell 2 is discharged, and sends the cold water after cooling back to hydrogen cell 2; Hydrogen-fueled system, Unidirectional direct-current changer 4 are connected successively with DC bus 8, Unidirectional direct-current changer 4 by the boost in voltage of electric energy to power supply voltage, and transmit it to DC bus 8, because the voltage of hydrogen cell 2 generation is between 360V-640V, and consumer required voltage is 750V, follow, need Unidirectional direct-current changer 4 by voltage gain to 750V, use with electricity supply and use equipment, when Unidirectional direct-current changer 4 changing voltage, according to its work efficiency, feed back in hydrogen cell 2, thus control the electrogenesis speed of hydrogen cell 2; Control setup controls cooling system 3, hydrogen-storing device 1 respectively.
Further, hydrogen cell 2 comprises the sub-battery that at least one is connected in series.In the present embodiment, hydrogen cell 2 comprises the sub-battery of two series connection, makes the power of its entirety reach 240Kw.
Further, hydrogen-storing device 1, by pressure purger and sub-cell communication, after the hydrogen step-down that pressure purger exports hydrogen-storing device 1, is delivered to sub-battery.Because the density of hydrogen is less, for reasonable actv. utilizes space, improve unit weight storage hydrogen density, adopt high-pressure hydrogen storage method, Hydrogen Vapor Pressure in hydrogen-storing device 1 is 35Mpa, and hydrogen by being depressurized to 6-18Mpa after pressure purger, and is utilized by hydrogen cell 2.Hydrogen is discharged into operation pressure required for fuel cell by second depressurized valve and control cock in the present embodiment.
In addition, hydrogen-storing device 1 is also provided with leak sensor, for preventing hydrogen leak.
Further, in sub-battery, be provided with pressure sensor, the amounts of hydrogen that the force value control hydrogen-storing device 1 that control setup detects according to pressure sensor is carried to sub-battery.
Further, cooling system 3 is provided with the water outlet identical with sub-number of batteries and water inlet, and water outlet and water inlet are connected with corresponding sub-battery respectively.In the present embodiment, respectively by triplate line by the water outlet of cooling system 3 and sub-battery, water inlet and sub-cell communication.Wherein, cooling system 3 can be cooling fan.
Further, due to the heat produced in fuel cell reaction process, need, by monitoring the temperature of fuel cell constantly, come to cool to fuel cell.Therefore the water outlet of cooling system 3 is provided with the first temperature sensor, and the water inlet of cooling system 3 is provided with the second temperature sensor, the cooling power of the temperature difference Controlled cooling system 3 that control setup collects according to the first temperature sensor and the second temperature sensor.
Further, also comprise closed-center system 5, closed-center system 5 is connected with DC bus 8, and closed-center system 5 is for storing or release electric energy.
Further, closed-center system 5 comprises lithium cell and/or super capacitor.Wherein, super capacitor have that charging duration is short, power density is large, capacity is large, long service life, non-maintaining, economic environmental protection; Lithium cell has the advantage of high potential, high-energy-density, lightweight, energy storage is large, pollution-free, memory-less effect, long service life.Therefore can select as required.
Embodiment two
As Figure 2-3, a kind of hydrogen fuel power tramway train that the present embodiment provides, comprises the hydrogen fuel power system in embodiment one.
In the present embodiment, DC bus 8 is connected with traction electric machine 7 by traction invertor 6, and powers for traction electric machine 7; DC bus 8 is connected with auxiliary consumer 9, and for assisting consumer 9 to power, auxiliary consumer 9 comprises air-conditioning, light equipment etc.
Wherein, traction invertor 6 is by electricity collection on DC bus 8, and change frequency and voltage simultaneously, make computer reach magnetic flux constant (can characterize with counter potential/frequency is approximate) and control the object of motor speed (being directly proportional with frequency), the control to tramway train can be realized.In the present embodiment, traction electric machine 7 is permagnetic synchronous motor, it has the many advantages such as rotating speed is steady, efficiency is high, volume is little, lightweight, noise is low, reliability is high, adopts the sync pulling motor 7 of permanent magnetic drive will comparatively adopt conventional asynchronous traction electric machine 7 to drive, and energy-conservation more than 10%.
Further, closed-center system 5, hydrogen cell 2, cooling system 3, Unidirectional direct-current changer 4, traction invertor 6 and closed-center system 5 are arranged at joint or a more piece car body top of hydrogen fuel power tramway train respectively.In the present embodiment, closed-center system 5, hydrogen cell 2 and cooling system 3 are set in turn in the top in a joint compartment, and Unidirectional direct-current changer 4, traction invertor 6 and closed-center system 5 are set in turn in the top in adjacent compartment (headstock).
The present embodiment is because adopt hydrogen cell 2 as power source, and employ brand-new power supply technique means, overcoming tramway train needs station to carry out the problem of charging, and then really achieves the effect that at full line no touch net powers.
Solving tramway train without touching net in the process that flowed, overcome the shortcoming of the mode only adopting super capacitor energy-storage equipment at present, as large in energy storage device weight, energy density is low, be not suitable for middle and long distance uses; Also overcome the shortcoming only adopting at present the mode of battery energy storage, as low in power density, number of batteries is many, facility location is difficult.
The principle of the present embodiment is: utilize hydrogen cell 2 to provide electric energy to tramway train, drives vehicle to travel on the line; Under traction working condition: hydrogen cell 2 is reacted under the effect of catalyst by hydrogen and oxygen, produce electric energy to dewater side by side, the electric energy produced brings the voltage up to DC750V by Unidirectional direct-current changer 4 and is supplied to traction invertor 6, traction invertor 6 controls traction electric machine 7 by variable-frequency variable-voltage, drives vehicle operating; Under damped condition: the electricity that hydrogen cell 2 provides is to super capacitor and/or lithium cell charging, and the electric regenerative energy simultaneously produced during braking gives super capacitor and/or lithium cell charging equally.Can ensure vehicle like this without the need to remaining exterior power supply plant on whole service circuit, real realization, completely without net power supply, decreases the equipment of the tractive power supply system of whole circuit.
Embodiments of the invention provide in order to example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a hydrogen fuel power system, is characterized in that, comprises hydrogen cell, hydrogen-storing device, cooling system, Unidirectional direct-current changer, DC bus and control setup; Described hydrogen cell produces electric energy;
Described hydrogen cell is connected with hydrogen-storing device, described hydrogen-storing device according to described hydrogen cell internal pressure for described hydrogen cell provides hydrogen;
Described hydrogen cell is connected with cooling system, and described cooling system is that the hot water that described hydrogen cell is discharged is lowered the temperature and sends described hydrogen cell back to;
Described hydrogen-fueled system, Unidirectional direct-current changer are connected successively with DC bus, and the boost in voltage of described electric energy to power supply voltage, and is transmitted it to described DC bus by described Unidirectional direct-current changer;
Described control setup controls described cooling system, hydrogen-storing device respectively.
2. hydrogen fuel power system according to claim 1, is characterized in that, described hydrogen cell comprises at least one sub-battery be connected in series.
3. hydrogen fuel power system according to claim 2, is characterized in that, described hydrogen-storing device, by pressure purger and described sub-cell communication, after the hydrogen step-down that described pressure purger exports described hydrogen-storing device, is delivered to described sub-battery.
4. hydrogen fuel power system according to claim 3, is characterized in that, is provided with pressure sensor in described sub-battery, and described control setup controls the amounts of hydrogen of described hydrogen-storing device to described sub-battery conveying according to the force value that pressure sensor detects.
5. hydrogen fuel power system according to claim 2, is characterized in that, described cooling system is provided with the water outlet identical with described sub-number of batteries and water inlet, and described water outlet and water inlet are connected with corresponding sub-battery respectively.
6. hydrogen fuel power system according to claim 5, it is characterized in that, the water outlet of described cooling system is provided with the first temperature sensor, the water inlet of described cooling system is provided with the second temperature sensor, the cooling power of the temperature difference Controlled cooling system that described control setup collects according to described first temperature sensor and the second temperature sensor.
7. hydrogen fuel power system according to claim 1, is characterized in that, also comprise closed-center system, and described closed-center system is connected with described DC bus, and described closed-center system is used for storing or discharging described electric energy.
8. hydrogen fuel power system according to claim 7, is characterized in that, described closed-center system comprises lithium cell and/or super capacitor.
9. a hydrogen fuel power tramway train, is characterized in that, comprises the hydrogen fuel power system according to any one of claim 1-8; Described DC bus is connected with traction electric machine by traction invertor, and powers for described traction electric machine; Described DC bus is connected with auxiliary consumer, and powers for described auxiliary consumer.
10. hydrogen fuel power tramway train according to claim 9, it is characterized in that, described closed-center system, hydrogen cell, cooling system, Unidirectional direct-current changer, traction invertor and closed-center system are arranged at joint or a more piece car body top of described hydrogen fuel power tramway train respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757397.3A CN105365594A (en) | 2015-11-06 | 2015-11-06 | Hydrogen fuel power system and hydrogen fuel power tram |
| PCT/CN2016/104608 WO2017076333A1 (en) | 2015-11-06 | 2016-11-04 | Hydrogen fueled power system, and hydrogen fueled power tramcar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510757397.3A CN105365594A (en) | 2015-11-06 | 2015-11-06 | Hydrogen fuel power system and hydrogen fuel power tram |
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| CN106394304A (en) * | 2016-11-22 | 2017-02-15 | 中车株洲电力机车有限公司 | Power control system and energy storing vehicle with same |
| CN106515454A (en) * | 2016-11-22 | 2017-03-22 | 中车株洲电力机车有限公司 | Power control system and and energy storage vehicle with the same |
| WO2017076333A1 (en) * | 2015-11-06 | 2017-05-11 | 中车青岛四方机车车辆股份有限公司 | Hydrogen fueled power system, and hydrogen fueled power tramcar |
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