CN208890473U - A kind of railway signal ups system based on fuel cell - Google Patents
A kind of railway signal ups system based on fuel cell Download PDFInfo
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- CN208890473U CN208890473U CN201821590160.6U CN201821590160U CN208890473U CN 208890473 U CN208890473 U CN 208890473U CN 201821590160 U CN201821590160 U CN 201821590160U CN 208890473 U CN208890473 U CN 208890473U
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- power supply
- fuel cell
- control unit
- supply unit
- ups
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of railway signal ups system based on fuel cell, alternating current is located to input and exchange between output, including main circuit power supply unit, bypass power supply unit and stand-by power supply unit, bypass power supply unit is connected in parallel with main circuit power supply unit, and main circuit power supply unit includes sequentially connected AC/DC fairing, DC/AC inverter and inversion control switch；Stand-by power supply unit includes boosting battery, DC/DC converter, fuel cell system, and the output end of boosting battery and fuel cell system is all connect through DC/DC converter with the input terminal of DC/AC inverter；System further includes UPS control unit, and UPS control unit is connect with main circuit power supply unit, bypass power supply unit and stand-by power supply unit respectively.Compared with prior art, the utility model uses hydride hydrogen-storing and fuel cell technology, improves the innovation of railway signal system power supply technique, highly efficient clean and environmental protection.
Description
Technical field
The utility model relates to uninterruptible power supply technical fields, more particularly, to a kind of railway signal based on fuel cell
Ups system.
Background technique
It is each to be widely used in railway as one of railway electrification equipment by railway signal system UPS (uninterruptible power supply)
Website electricity business computer room and relay station, predominantly interlocking mechanism and dispatching management information system provide the confession of uninterrupted high quality
Electricity service.There is " power pollutions " such as surge, instant high-voltage, moment low-voltage, frequency shift (FS)s and power-off feelings in railway power supply
When condition, UPS can improve and guarantee well power quality, provide the power supply of high quality for railway equipment.
It powers to guarantee that railway signal ups system provides lasting electric energy in the state that external alternating current powers off, in system
There must be energy storage device, a large amount of lead-acid batteries are all made of in existing system.Lead-acid batteries are chronically at floating charge saturation
State seriously affects battery life.It is shown according to railway system's operation data, the failure rate of the battery of UPS will be significantly larger than
The failure rate that other component generates, and battery itself and its maintenance cost are higher.In addition, there are lead-acid accumulators by existing UPS
Control of discharge is not easy, cannot be self-detected the problems such as battery failures.When alternating current power-off occurs, the limitation of sustainable power-on time
It is difficult to overcome, also becomes a bottleneck of lead-acid battery application.
It reaches its maturity in fuel cell technology, cost rapid decrease, in the case that performance steps up, it is contemplated that fuel electricity
The advantages that pond is environmentally friendly, efficient, the service life is long, easy to maintain, can solve mesh using fuel cell as railway signal system UPS energy storage device
The problems of preceding ups system improve performance and economical environment-protective.
In fuel cell field, hydrogen fuel cell mainstream the most.Hydrogen storage technology and its control are to guarantee fuel battery performance
An important ring, efficiently, the hydrogen storage applications of safety the performance of fuel cell can be improved.In numerous hydrogen storage technologies, metal hydride
Object hydrogen storage technology is ideal hydrogen storage technology, has many advantages, such as high density, high-purity, easy to control, safe and reliable.Utilize metallic hydrogen
The efficient hydrogen storage technology cooperation fuel cell of compound simultaneously combines lithium battery as railway signal system UPS energy storage device, can solve
Problems existing for traditional UPS while guaranteeing the power supply quality of railway signal system UPS, are realized and clean, is environmentally friendly, efficiently
Railway power supply ups system.
Utility model content
The purpose of this utility model is exactly to overcome the above-mentioned ups system energy storage device service life of the existing technology short
Defect and a kind of railway signal ups system based on fuel cell is provided.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of railway signal ups system based on fuel cell is located at alternating current and inputs and exchange between output, including leads back
Road power supply unit, bypass power supply unit and stand-by power supply unit, the bypass power supply unit is in parallel with main circuit power supply unit to be connected
It connects, the main circuit power supply unit includes sequentially connected AC/DC fairing, DC/AC inverter and inversion control switch；
The stand-by power supply unit includes boosting battery, DC/DC converter, fuel cell system, the boosting battery and fuel cell
The output end of system is all connect through DC/DC converter with the input terminal of the DC/AC inverter；System further includes UPS control
Unit, the UPS control unit are connect with main circuit power supply unit, bypass power supply unit and stand-by power supply unit respectively.
Preferably, the UPS control unit is separately connected boosting battery in the stand-by power supply unit, DC/DC conversion
Device, fuel cell system.
Preferably, the fuel cell system includes fuel cell, hydrogen-storing device and fuel cell control unit, the storage
Hydrogen production device is connect with the fuel cell, the fuel cell control unit respectively with the fuel cell, hydrogen-storing device and UPS
Control unit connection.
Preferably, the hydrogen-storing device is specially metal hydride hydrogen storage unit.
Preferably, the fuel cell control unit includes main control unit and auxiliary valve gate all connected to the main control unit
Unit processed, fan control unit, external interface control unit, communication Auxiliary Control Element, system mode analytical unit, sensor
Control unit, air temperature control unit, switch control unit, current divider control unit and supply control unit.
Preferably, the bypass power supply unit includes Bypass Control switch, and the Bypass Control switch is controlled with the UPS
Unit connection.
Preferably, the UPS control unit is separately connected the AC/DC fairing, DC/AC inverter, inversion control
The input terminal of system switch and AC/DC fairing.
Compared with prior art, the utility model has the advantage that
1, the fuel battery energy metric density used is significantly larger than traditional lead acid batteries, and there is no frequently replacement batteries
Problem is a kind of high-efficiency cleaning power supply plan for railway power system, while having prevented traditional lead acid batteries floating charge, therefore
The problem of barrier can not be checked online；It can make backup power supply power-on time indefinite extension by replacing hydrogen storage bottle mode, reduce
The hard work of extensive replacement lead-acid battery is concentrated, therefore system bulk life time is significantly promoted.
2, fuel cell system uses independent control system, and USP control unit independent communication, reliability with can safeguard
Property is improved；Compared with the lead-acid battery group of traditional UPS, fuel cell system reduces reserve battery volume greatly, is
Integrated level of uniting improves, convenient for configuration installation.
3, due to using hydride hydrogen-storing technology, compared to for other hydrogen storage technologies, hydrogen storage is high-efficient, reduces storage
Hydrogen system volume；Compared to conventional high-tension hydrogen storage mode, it is more in line with railway signal system characteristics of power supply, longevity, low pressure, peace
Entirely, reliably the advantages that, can guarantee reliability service of the UPS under all kinds of environment.
4, pure fuel cell-powered scheme is compared, the transition before not started completely using boosting battery realization fuel cell is supplied
Electricity, backup power supply starting Velocity Time is short, complies fully with railway power supply technical requirements.
Detailed description of the invention
Fig. 1 is the railway signal system UPS composition schematic diagram based on fuel cell.
Fig. 2 is the railway signal system ups system structural schematic diagram based on hydride hydrogen-storing technology fuel cell；
Fig. 3 is Fuel Cell Control System structural block diagram.
It is marked in figure: 1, AC/DC fairing, 2, DC/AC inverter, 3, inversion control switch, 4, Bypass Control opens
It closes, 5, fuel cell system, 6, UPS control unit, 7, boosting battery, 8, DC/DC converter, 9, fuel cell, 10, hydrogen storage dress
It sets, 11, fuel cell control unit.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
Embodiment
A kind of railway signal ups system based on fuel cell is located at alternating current and inputs and exchange between output.The system is simultaneous
Hold existing railway signal system power supply panel, high-efficiency cleaning realizes the extension of regulated power by replacement hydride hydrogen-storing bottle
Time power supply.System structure diagram is shown in Fig. 1, via the alternating current of power supply panel input via including AC/ under normal input condition
The major loop of DC, DC/AC conversion equipment, or bypass is switched under human intervention, output power supply source screen uses；It is powered off in alternating current
In the case of, hydrogen storage and fuel cell system are converted to form power supply panel exchange output by DC/DC, DC/AC, realize that railway is believed with this
Number system USP function.
This system includes main circuit power supply unit, bypass power supply unit, stand-by power supply unit and UPS control unit 6, bypass
Power supply unit is connected in parallel with main circuit power supply unit, and UPS control unit 6 is separately connected main circuit power supply unit, bypass power supply
Unit and stand-by power supply unit realize the acquisition of information and the control of each component.
As shown in Fig. 2, main circuit power supply unit includes sequentially connected AC/DC fairing 1,2 and of DC/AC inverter
Inversion control switch 3.1 one end of AC/DC fairing is power supply panel mains electricity input end, via DC/AC inverter 2, inversion control
The output of switch 3 is made to power supply panel ac output end.Specifically, UPS control unit 6 is separately connected AC/DC fairing 1, DC/AC
The input terminal of inverter 2, inversion control switch 3 and AC/DC fairing 1, the arrow direction table of dashed connection line in Fig. 2
Show the direction of information flow.
For bypass power supply unit based on Bypass Control switch 4,4 one end of Bypass Control switch is power supply panel mains electricity input end,
The other end is power supply panel exchange output, it can be achieved that artificially adjusting to bypass power supply mode.Bypass Control switch 4 and UPS control are single
6 connection of member is controlled by it.
Stand-by power supply unit includes boosting battery 7, DC/DC converter 8, fuel cell system 5, boosting battery 7, fuel electricity
Cell system 5 is via DC/DC converter 8, DC/AC inverter 2, the output of inversion control switch 3 to power supply panel ac output end.
UPS control unit 6 is separately connected boosting battery 7, DC/DC converter 8, fuel cell system 5.
Fuel cell system 5 includes fuel cell 9, hydrogen-storing device 10 and fuel cell control unit 11, hydrogen-storing device 10
It is connect with fuel cell 9, fuel cell control unit 11 connects with fuel cell 9, hydrogen-storing device 10 and UPS control unit 6 respectively
It connects.Hydrogen-storing device 10 is specially metal hydride hydrogen storage unit 10, compares conventional high-tension hydrogen storage mode, is more in line with railway signal
System power supply feature, longevity, low pressure, it is safe and reliable the advantages that can guarantee reliability service of the UPS under all kinds of environment.
Wherein, fuel cell control unit 11 is as shown in figure 3, include main control unit and 10 all connected to the main control unit
Part Auxiliary Control Element.Auxiliary Control Element specifically includes: auxiliary valve control unit, fan control unit, external interface
Control unit, system mode analytical unit, sensor control unit, air temperature control unit, is opened communication Auxiliary Control Element
Close control unit, current divider control unit and supply control unit.Fuel cell control unit 11 realize to fuel cell pile,
The control and communication of hydrogen-storing device 10, and the communication with UPS control unit 6.In the present embodiment, it is preferable that main control unit can
Using models such as the processors, such as STM32F103C8T6, STM32F103VET6 of STM32 series.
UPS control unit 6 is mainly made of micro-control unit and some peripheral circuits, for monitoring alternating current input state,
Boosting battery, main circuit power supply unit modules, each control switch are controlled, and is carried out with 5 control unit of fuel cell system
Communication.In the present embodiment, micro-control unit is made of STC12C5A16S2 chip and its peripheral oscillating circuit.
This ups system includes three kinds of powering modes:
Main circuit power supply mode: power supply panel alternating current is normal, the normal work of AC/DC fairing 1, DC/AC inverter 2
Make, alternating current is by the exchange output of above-mentioned module outputting high quality at this time.Alternating current is rectified into direct current energy after being input to fairing,
Direct current energy inversion is stable AC energy by DC/AC inverter 2, is exchanged after inversion control switch 3 power supply panel
Power supply.Bypass Control switch 4 is in an off state at this time, and stand-by power supply unit is in standby mode.
Backup power supply powering mode: power supply panel city electrical anomaly, DC/DC converter 8, DC/AC inverter 2 are working properly,
Fuel cell system 5 and 7 cooperated power supply of boosting battery at this time.After UPS control unit 6 monitors the power-off of power supply panel alternating current, by auxiliary
Battery 7 is helped to provide interim direct current energy, by DC/AC inverter 2,3 supplying power for outside of inversion control switch；At the same time, UPS
Control unit 6 is communicated with fuel cell control unit 11, and fuel cell control unit 11 controls hydrogen-storing device 10 and fuel cell 9
Starting, stand-by power supply unit are in operating status.
Bypass power supply mode: power supply panel alternating current is normal, 2 failure of AC/DC fairing 1 or DC/AC inverter, other at this time
Way control switch 4 is closed, and is power supply panel Alternating Current Power Supply.UPS control unit 6 monitor main circuit power supply unit break down or
When receiving artificial control, Bypass Control switch 4 is closed, and major loop is turned off, bypass power supply mode is switched to.
Claims (7)
1. a kind of railway signal ups system based on fuel cell is located at alternating current and inputs and exchange between output, including major loop
Power supply unit, bypass power supply unit and stand-by power supply unit, the bypass power supply unit are connected in parallel with main circuit power supply unit,
It is characterized in that, the main circuit power supply unit includes sequentially connected AC/DC fairing, DC/AC inverter and inversion
Control switch；The stand-by power supply unit includes boosting battery, DC/DC converter, fuel cell system, the boosting battery and
The output end of fuel cell system is all connect through DC/DC converter with the input terminal of the DC/AC inverter；System further includes
UPS control unit, the UPS control unit connect with main circuit power supply unit, bypass power supply unit and stand-by power supply unit respectively
It connects.
2. a kind of railway signal ups system based on fuel cell according to claim 1, which is characterized in that the UPS
Control unit is separately connected boosting battery, DC/DC converter, fuel cell system in the stand-by power supply unit.
3. a kind of railway signal ups system based on fuel cell according to claim 1, which is characterized in that the combustion
Material battery system includes fuel cell, hydrogen-storing device and fuel cell control unit, the hydrogen-storing device and the fuel cell
Connection, the fuel cell control unit are connect with the fuel cell, hydrogen-storing device and UPS control unit respectively.
4. a kind of railway signal ups system based on fuel cell according to claim 3, which is characterized in that the storage
Hydrogen production device is specially metal hydride hydrogen storage unit.
5. a kind of railway signal ups system based on fuel cell according to claim 3, which is characterized in that the combustion
Material battery control unit include main control unit and auxiliary valve control unit all connected to the main control unit, fan control unit,
External interface control unit, communication Auxiliary Control Element, system mode analytical unit, sensor control unit, air themperature control
Unit, switch control unit, current divider control unit and supply control unit processed.
6. a kind of railway signal ups system based on fuel cell according to claim 1, which is characterized in that the side
Road power supply unit includes Bypass Control switch, and the Bypass Control switch is connect with the UPS control unit.
7. a kind of railway signal ups system based on fuel cell according to claim 1, which is characterized in that the UPS
Control unit is separately connected the AC/DC fairing, DC/AC inverter, inversion control switch and AC/DC fairing
Input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821590160.6U CN208890473U (en) | 2018-09-28 | 2018-09-28 | A kind of railway signal ups system based on fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821590160.6U CN208890473U (en) | 2018-09-28 | 2018-09-28 | A kind of railway signal ups system based on fuel cell |
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| Publication Number | Publication Date |
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| CN208890473U true CN208890473U (en) | 2019-05-21 |
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| CN201821590160.6U Active CN208890473U (en) | 2018-09-28 | 2018-09-28 | A kind of railway signal ups system based on fuel cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970990A (en) * | 2018-09-28 | 2020-04-07 | 上海铁路通信有限公司 | Railway signal UPS system based on fuel cell |
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2018
- 2018-09-28 CN CN201821590160.6U patent/CN208890473U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110970990A (en) * | 2018-09-28 | 2020-04-07 | 上海铁路通信有限公司 | Railway signal UPS system based on fuel cell |
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