CN211908467U - Uninterrupted power generation hydrogen fuel cell power generation system - Google Patents
Uninterrupted power generation hydrogen fuel cell power generation system Download PDFInfo
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- CN211908467U CN211908467U CN202020675520.3U CN202020675520U CN211908467U CN 211908467 U CN211908467 U CN 211908467U CN 202020675520 U CN202020675520 U CN 202020675520U CN 211908467 U CN211908467 U CN 211908467U
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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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Abstract
The utility model discloses a hydrogen fuel cell power generation system for uninterrupted power generation, which comprises a No. 1 fuel cell power generation module, a No. 2 fuel cell power generation module and a power switching module, wherein the power switching module is connected with the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module and is used for controlling the output power generation of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module, during the normal working state, the power switching module controls the output power ratio of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module to simultaneously supply power to a load, the output power of the system is ensured to be equal to the requirement of a user load, the system enters the power switching state, the replaced No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module can be supplemented with energy, thereby the uninterrupted power generation can be realized in a reciprocating way, the safety of power-requiring equipment under the power-off condition, the loss caused by power failure accidents is reduced, and the power supply reliability is improved.
Description
The technical field is as follows:
the utility model relates to a hydrogen fuel cell power generation system of uninterrupted power generation.
Background art:
in the existing scene of partial emergency power supply in life, because the working property requires long-time uninterrupted power supply, short-time power failure of power-requiring equipment can cause huge loss, such as a large-scale server and the like, so that one equipment is required to realize the uninterrupted power supply. However, at present, power generation devices generally consume energy, the energy is consumed after being used for a period of time, and the power generation devices must be stopped to supplement the energy for safety. At which time the power supply is interrupted. A device is needed to implement this functionality.
An effective method for ensuring that the power is not interrupted is to connect a plurality of power systems in parallel, wherein one power system is interrupted, and the other power system is started immediately. In fact, since the server has a high continuous demand for power, it is prudent in any room to deal with the problem. For example, in the West Community, an IDC machine room building adopts 4 independent and different transformer substation commercial power inputs, 24 2000KW diesel generators and 3 3000KW gas turbine generators are arranged, and the total output reaches 5.9 thousands KW. The UPS system lasts for more than 1 hour after power failure, and the power availability reaches 99.99 percent; the annual planned maintenance outage time accumulation does not exceed 30 minutes, and the fact that each cabinet is connected with different power distribution cabinets in a power-on mode to achieve double-circuit power supply is guaranteed. Like summer, areas over 1/3 of China are in continuous high-temperature weather, the demand of electric power is greatly increased, and the commercial power is likely to be interrupted at any time. Or natural disasters such as flood disasters and earthquakes are encountered, and if all the power systems of the machine room come from the mains supply, the risk of power interruption still exists. A good IDC room will be equipped with its own power generation equipment, but it is still not possible to avoid a situation of a brief power outage.
The first hydrogen fuel emergency power supply vehicle in China, namely the bumblebee, can only supply about 700 ℃ of electricity by one-time hydrogen charging. The length of the vehicle is 9.3 meters, the height is 3.8 meters, and the weight of the vehicle is up to 16 tons. The rated output power of the fuel cell system reaches 110 kilowatts. The high-pressure hydrogen storage tank is provided with 14 high-pressure hydrogen storage tanks, the hydrogen storage pressure is 35MPa, the stored hydrogen can meet the requirement of the full power output of a fuel cell system for about 6 hours, and the shutdown is required during hydrogen supplement. And long-time uninterrupted power generation cannot be completely realized.
The invention content is as follows:
the utility model aims at providing a hydrogen fuel cell power generation system of uninterrupted power generation solves among the prior art and can not accomplish long-time uninterrupted power generation completely in the power supply condition, makes the nature of work require the normal operating that can not of long-time uninterrupted power supply, probably causes huge loss's technical problem.
The purpose of the utility model is realized by the following technical scheme.
The utility model aims at providing a hydrogen fuel cell power generation system of uninterrupted power generation, a serial communication port, include:
the No. 1 fuel cell power generation module comprises a first fuel cell system controller, a first fuel cell stack module, a first air inlet system, a first cooling system and a first hydrogen supply system, wherein the first hydrogen supply system comprises a first valve assembly and a first hydrogen bottle group;
a No. 2 fuel cell power generation module, which comprises a second fuel cell system controller, a second fuel cell stack module, a second air intake system, a second cooling system and a second hydrogen supply system, wherein the second hydrogen supply system comprises a second valve assembly and a second hydrogen cylinder group;
the power conversion module is connected with the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module and is used for controlling the output power generation of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module;
the battery replacement module comprises an interface circuit, a microprocessor, a first driving circuit, a first relay, a second driving circuit and a second relay, and the first fuel cell system controller and the second fuel cell system controller are connected with the microprocessor through the interface circuit and are communicated with each other; the power supply output end of the first fuel cell stack module is connected to a load through a first switch JK1, the power supply output end of the second fuel cell stack module is connected to the load through a second switch JK2, the microprocessor drives a first relay through a first driving circuit, and the first relay controls the opening or closing of a first switch JK 1; the microprocessor drives a second relay through a second driving circuit, and the second relay controls the opening or closing of a second switch JK 2.
The first fuel cell system controller and the second fuel cell system controller are connected with the microprocessor in a wired or wireless mode.
The wired connection is connected through a CAN bus.
The microprocessor is also connected with a control panel, and the control panel inputs data and sends instructions to the microprocessor.
The microprocessor is also connected with an alarm, and when the battery replacement state is started, the microprocessor gives an alarm to the outside to inform workers of replacing the hydrogen cylinder group for supplementing energy in time.
The alarm comprises a wireless alarm communication module, the microprocessor is connected to a mobile phone of a worker through the wireless alarm communication module, and when the mobile phone enters a battery replacement state, the mobile phone of the worker receives alarm information so as to replace the first hydrogen cylinder group or the second hydrogen cylinder group in time to supplement energy.
The microprocessor is also connected with a display, and the display is used for displaying the working state and relevant working data of the fuel cell power generation system.
The output pressure of the first hydrogen cylinder group is detected by the first pressure sensor, and a pressure signal is transmitted to the first fuel cell system controller, and the first fuel cell system controller transmits the output pressure data S1 of the first hydrogen cylinder group to the microprocessor; the output pressure of the second hydrogen cylinder group is detected by the second pressure sensor and transmits a pressure signal to the second fuel cell system controller, the second fuel cell system controller transmits output pressure data S2 of the second hydrogen cylinder group to the microprocessor, and the microprocessor judges the total time during which the remaining hydrogen energy of the fuel cell power generation module No. 1 and the fuel cell power generation module No. 2 can generate power by comparing the pressure data S1 and the pressure data S2, respectively, and then adjusts the output power ratio.
Compared with the prior art, the utility model, following effect has:
1) the utility model comprises a No. 1 fuel cell power generation module, a No. 2 fuel cell power generation module and a power conversion module, wherein the power conversion module is connected with the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module and is used for controlling the output power generation of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module, when in normal working state, the power conversion module controls the output power proportion of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module to simultaneously supply power to a load, the output power of the system is ensured to be equal to the requirement of a user load, and the power conversion state is entered, the replaced No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module can supplement energy, thereby realizing the reciprocating uninterrupted power generation, fully protecting the safety of power-requiring equipment under the power failure condition, ensuring the high-efficiency and smooth work of the user, reducing the loss, and the power supply reliability is improved.
2) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
fig. 1 is a schematic view of the present invention;
fig. 2 is a schematic view of the working principle of the battery replacement module of the present invention;
fig. 3 is a schematic diagram of the signal transmission principle of the present invention;
FIG. 4 is a schematic diagram of the power generation module of No. 1 fuel cell of the present invention;
fig. 5 is a schematic view of the power generation module of No. 2 fuel cell according to the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
As shown in fig. 1 to 5, the present embodiment provides a hydrogen fuel cell power generation system that generates power uninterruptedly, including:
a No. 1 fuel cell power generation module comprising a first fuel cell system controller, a first fuel cell stack module, and a first hydrogen supply system, said first hydrogen supply system comprising a first valve assembly and a first hydrogen cylinder set;
a No. 2 fuel cell power module comprising a second fuel cell system controller, a second fuel cell stack module, and a second hydrogen supply system, said second hydrogen supply system comprising a second valve assembly and a second hydrogen cylinder stack;
the power conversion module is connected with the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module and is used for controlling the output power generation of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module;
when the system is in a normal working state, the output power proportion of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module is controlled by the power conversion module to supply power to a load at the same time, so that the output power of the system is equal to that required by a user load; the operation is simple and efficient, and the output power is accurately controlled.
When the output power of the No. 1 fuel cell power generation module is gradually reduced to 0, the power exchange module controls the No. 2 fuel cell power generation module to gradually increase the output power to reach the power required by the load, the power exchange state is entered, the output switch of the No. 1 fuel cell power generation module is cut off, the first hydrogen cylinder group of the No. 1 fuel cell power generation module is replaced to supplement energy, and then the No. 1 fuel cell power generation module is reconnected to the system to recover the normal working state; the operation is simple and efficient, the output power is accurately controlled, the safety of the power-requiring equipment under the condition of power failure is ensured, and the work of a user is efficiently and smoothly completed.
When the output power of the No. 2 fuel cell power generation module is gradually reduced to 0, the power switching module controls the output of the No. 1 fuel cell power generation module to gradually increase to reach the power required by the load, the power switching state is entered, the output switch of the No. 2 fuel cell power generation module is cut off, the second hydrogen cylinder group of the No. 2 fuel cell power generation module is replaced to supplement energy, and then the No. 2 fuel cell power generation module is reconnected to the system to recover the normal working state; the operation is simple and efficient, the output power is accurately controlled, the safety of the power-requiring equipment under the condition of power failure is ensured, and the work of a user is efficiently and smoothly completed.
Therefore, uninterrupted power generation can be realized, the safety of the power-requiring equipment under the condition of power failure is fully protected, the work of a user is efficiently and smoothly completed, the loss caused by power failure accidents is reduced, and the power supply reliability is improved.
The No. 1 fuel cell power generation module also comprises an independent first air intake system and an independent first cooling system; the No. 2 fuel cell power generation module also comprises a second air intake system and a second cooling system which are independent.
The battery replacement module comprises an interface circuit, a microprocessor, a first drive circuit, a first relay, a second drive circuit and a second relay, wherein a first fuel cell system controller and a second fuel cell system controller are connected with the microprocessor through the interface circuit and are communicated with each other; the power supply output end of the first fuel cell stack module is connected to a load through a first switch JK1, the power supply output end of the second fuel cell stack module is connected to the load through a second switch JK2, the microprocessor drives a first relay through a first driving circuit, and the first relay controls the opening or closing of a first switch JK 1; microprocessor passes through second drive circuit drive second relay, and the disconnection or the closure of second switch JK2 are controlled to the second relay, arrange rationally, simple structure, and the integrated level is high.
The first fuel cell system controller and the second fuel cell system controller can be connected with the microprocessor through wires or wirelessly.
The wired connection described above may be through a CAN bus connection.
The microprocessor is also connected with a control panel, and the control panel inputs data and sends instructions to the microprocessor.
The microprocessor is further connected with an alarm, when the power supply switching state is started, the microprocessor gives an alarm to the outside to inform workers of timely replacing the hydrogen cylinder group for supplementing energy, the safety performance is high, and the safe operation of the power-requiring equipment under the power failure condition is guaranteed.
The alarm comprises a wireless alarm communication module, the microprocessor is connected to a mobile phone of a worker through the wireless alarm communication module, when the mobile phone enters a battery replacement state, the mobile phone of the worker can receive alarm information so as to replace the first hydrogen cylinder group or the second hydrogen cylinder group in time to supplement energy, and the alarm is simple to operate and high in safety performance.
The microprocessor is also connected with a display, and the display is used for displaying the working state and relevant working data of the fuel cell power generation system, so that the power generation allowance of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module can be monitored conveniently.
The microprocessor is provided with a control software module, and when the microprocessor works normally, the control software module is provided with a control software module for estimating the residual generated energy of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module so as to adjust the output proportion of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module, ensure that in the power conversion state, the power conversion time is not longer than the total time of the residual hydrogen energy of the hydrogen fuel cell power generation module which is supplying power and ensure that the power generation module is replaced by the power generation module filled with energy when the output power of the No. 1 fuel cell power generation module or the No. 2 fuel cell power generation module is reduced to 0.
The output pressure of the first hydrogen cylinder group is detected by the first pressure sensor, and a pressure signal is transmitted to the first fuel cell system controller, and the first fuel cell system controller transmits the output pressure data S1 of the first hydrogen cylinder group to the microprocessor; the output pressure of the second hydrogen cylinder group is detected by the second pressure sensor, and a pressure signal is transmitted to the second fuel cell system controller, the second fuel cell system controller transmits output pressure data S2 of the second hydrogen cylinder group to the microprocessor, the microprocessor judges the total time of the residual hydrogen energy sources of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module which can generate power respectively by comparing the pressure data S1 with the pressure data S2, then adjusts the output power proportion, and effectively ensures that the power generation module is replaced by the power generation module filled with the energy sources when the output power of the No. 1 fuel cell power generation module or the No. 2 fuel cell power generation module is reduced to 0 by the detection of the first pressure sensor and the detection of the second pressure sensor.
The power conversion module is an integrated controller which is responsible for communicating with the two hydrogen fuel cell power generation modules, controlling the output ratio of the two hydrogen fuel cell power generation modules and realizing uninterrupted power conversion through a control strategy. The specific control strategy is that when two hydrogen fuel cell power generation modules are connected to the power conversion module, the power conversion module controls the power generation power P1 of the hydrogen fuel cell power generation module No. 1 which is about to be exhausted through wired or wireless communication, the power generation power P2 of the hydrogen fuel cell power generation module No. 2 filled with power gradually rises, P3 is the total power required by a plurality of loads connected with the output of the hydrogen fuel cell power generation system, P1+ P2 is always equal to P3 until the power P1 of the hydrogen fuel cell power generation module No. 1 is reduced to 0, the power P2 of the hydrogen fuel cell power generation module No. 2 is equal to P3, and at the moment, the switch of the hydrogen fuel cell power generation module No. 1 is cut off. At this time, the battery replacement is completed. And then the hydrogen cylinder group of the No. 1 hydrogen fuel cell power generation module is replaced. Therefore, uninterrupted power generation can be realized by the reciprocating motion. Wherein the electricity conversion time is not longer than the total time that the residual hydrogen energy source of the No. 1 hydrogen fuel cell power generation module can generate electricity. The output ratio is the system configuration, for example, in a normal working state, when the residual hydrogen energy of the No. 1 hydrogen fuel cell power generation module is larger than that of the No. 2 hydrogen fuel cell power generation module, the output ratio can be set as P1: p2 ═ 3:7 or P1: the ratio of P2 to P896 is 4:6, namely, the consumption ratio of the hydrogen fuel cell power generation module of the residual hydrogen energy is made to be larger as much as possible so as to ensure that the electricity replacement time is long enough, of course, the ratio can be changed, and the electricity replacement module adjusts according to the residual hydrogen energy of the No. 1 hydrogen fuel cell power generation module and the residual hydrogen energy of the No. 2 hydrogen fuel cell power generation module.
Compared with the prior art, the invention has the following advantages:
1. the uninterrupted supply of electric energy can be realized by matching two sets of hydrogen fuel cell power generation modules, the safety of the electric equipment under the condition of power failure is fully protected, and the efficient and smooth completion of the work of a user is ensured.
2. The hydrogen cell power generation system can realize wired or wireless data communication, can realize the function of replacing electricity by one key after all modules are communicated, and is simple and efficient to operate.
3. The hydrogen fuel cell power generation system realizes modularization and can be flexibly arranged and even installed on a vehicle. The modularization brings great convenience to the overhaul and maintenance.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (8)
1. A hydrogen fuel cell power generation system that generates power uninterruptedly, comprising:
the No. 1 fuel cell power generation module comprises a first fuel cell system controller, a first fuel cell stack module, a first air inlet system, a first cooling system and a first hydrogen supply system, wherein the first hydrogen supply system comprises a first valve assembly and a first hydrogen bottle group;
a No. 2 fuel cell power generation module, which comprises a second fuel cell system controller, a second fuel cell stack module, a second air intake system, a second cooling system and a second hydrogen supply system, wherein the second hydrogen supply system comprises a second valve assembly and a second hydrogen cylinder group;
the power conversion module is connected with the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module and is used for controlling the output power generation of the No. 1 fuel cell power generation module and the No. 2 fuel cell power generation module;
the battery replacement module comprises an interface circuit, a microprocessor, a first drive circuit, a first relay, a second drive circuit and a second relay, and the first fuel cell system controller and the second fuel cell system controller are connected with the microprocessor through the interface circuit and are communicated with each other; the power supply output end of the first fuel cell stack module is connected to a load through a first switch JK1, the power supply output end of the second fuel cell stack module is connected to the load through a second switch JK2, the microprocessor drives a first relay through a first driving circuit, and the first relay controls the opening or closing of a first switch JK 1; the microprocessor drives a second relay through a second driving circuit, and the second relay controls the opening or closing of a second switch JK 2.
2. An uninterruptible power generation hydrogen fuel cell power generation system according to claim 1, characterized in that: the first fuel cell system controller and the second fuel cell system controller are connected with the microprocessor in a wired or wireless mode.
3. An uninterruptible power generation hydrogen fuel cell power generation system according to claim 2, characterized in that: the wired connection is connected through a CAN bus.
4. An uninterruptible power generation hydrogen fuel cell power generation system according to claim 1, 2 or 3, characterized in that: the microprocessor is also connected with a control panel, and the control panel inputs data and sends instructions to the microprocessor.
5. An uninterruptible power generation hydrogen fuel cell power generation system according to claim 4, characterized in that: the microprocessor is also connected with an alarm, and when the battery replacement state is started, the microprocessor gives an alarm to the outside to inform the staff of replacing the hydrogen cylinder group for supplementing energy in time.
6. An uninterruptible power generation hydrogen fuel cell power generation system according to claim 5, characterized in that: the alarm comprises a wireless alarm communication module, the microprocessor is connected to a mobile phone of a worker through the wireless alarm communication module, and when the mobile phone enters a battery replacement state, the mobile phone of the worker receives alarm information so as to replace the first hydrogen cylinder group or the second hydrogen cylinder group in time to supplement energy.
7. An uninterruptible power generation hydrogen fuel cell power generation system according to claim 6, characterized in that: the microprocessor is also connected with a display, and the display is used for displaying the working state and relevant working data of the fuel cell power generation system.
8. An uninterruptible power generation hydrogen fuel cell power generation system according to claim 7, characterized in that: the output pressure of the first hydrogen cylinder group is detected by the first pressure sensor, and a pressure signal is transmitted to the first fuel cell system controller, and the first fuel cell system controller transmits the output pressure data S1 of the first hydrogen cylinder group to the microprocessor; the output pressure of the second hydrogen cylinder group is detected by the second pressure sensor and transmits a pressure signal to the second fuel cell system controller, the second fuel cell system controller transmits output pressure data S2 of the second hydrogen cylinder group to the microprocessor, and the microprocessor judges the total time during which the remaining hydrogen energy of the fuel cell power generation module No. 1 and the fuel cell power generation module No. 2 can generate power by comparing the pressure data S1 and the pressure data S2, respectively, and then adjusts the output power ratio.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4415086A1 (en) * | 2023-02-03 | 2024-08-14 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4415086A1 (en) * | 2023-02-03 | 2024-08-14 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
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