CN113299348A - Uninterrupted power supply system and method - Google Patents
Uninterrupted power supply system and method Download PDFInfo
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- CN113299348A CN113299348A CN202110565214.3A CN202110565214A CN113299348A CN 113299348 A CN113299348 A CN 113299348A CN 202110565214 A CN202110565214 A CN 202110565214A CN 113299348 A CN113299348 A CN 113299348A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000001257 hydrogen Substances 0.000 claims abstract description 160
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 160
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 158
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 156
- 239000000446 fuel Substances 0.000 claims abstract description 102
- 239000003345 natural gas Substances 0.000 claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 claims abstract description 68
- 238000003860 storage Methods 0.000 claims abstract description 53
- 238000002407 reforming Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 150000002431 hydrogen Chemical group 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C20/00—Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
- G16C20/10—Analysis or design of chemical reactions, syntheses or processes
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
The application provides an uninterrupted power supply system and method, and the method comprises the following steps: when the system controller receives a power-off signal indicating that the current commercial power is interrupted; the method comprises the steps that a system controller sends a first awakening instruction to a natural gas reforming hydrogen production device; the hydrogen production device for reforming natural gas prepares hydrogen when receiving the first awakening instruction, and the prepared hydrogen is pressurized by an air compressor and then is conveyed to a hydrogen storage tank; when the pressure of hydrogen in the hydrogen storage tank reaches a threshold value, the system controller sends a second awakening instruction to the fuel cell generator set; the fuel cell generator set generates alternating current when receiving a second awakening instruction; the AC/DC converter receives and converts alternating current voltage generated by the fuel cell generator set to obtain direct current voltage required by a storage battery in the uninterruptible power supply, so that the storage battery in the uninterruptible power supply can be charged, and the aim of continuously transmitting electric energy to electric equipment which cannot be stopped is fulfilled.
Description
Technical Field
The present disclosure relates to power systems, and particularly to an uninterruptible power supply system and method.
Background
In the information-based society, a plurality of key devices (for example, a data center) need to be operated without stopping all the year round, and once the devices are stopped and powered off, immeasurable losses are brought to enterprises, so the key devices are generally provided with generating sets, and the generating sets are involved when the power supply is interrupted to ensure that the devices are operated without stopping.
At present, the energy source of a fuel cell generator set is hydrogen, and hydrogen is small in molecular volume and can escape through gaps (such as bottle openings and bottle valve gaps) on containers, the existing pressure container can only store the hydrogen for a short time, and the amount of the hydrogen in the pressure container is less and less along with the prolonging of time until the internal and external pressure balance of the pressure container is achieved. In view of such characteristics, the fuel cell used as an emergency safeguard must be equipped with a hydrogen cylinder with a large enough volume, and a specially-assigned person is required to check the pressure of the hydrogen cylinder and call the hydrogen vehicle for replenishment, so that the operation causes the fuel cell generator set to be very inconvenient to use and the waste of hydrogen is serious.
Disclosure of Invention
In view of this, the present application provides an uninterrupted power supply system and method, which are used for automatically generating hydrogen when a power failure occurs, so that a fuel cell generator set can continuously generate alternating current by using the generated hydrogen to charge a storage battery in an uninterruptible power supply, and further, can continuously transmit electric energy to an uninterruptible power supply.
A first aspect of the present application provides an uninterruptible power supply system comprising:
the system comprises a power failure detection module, a system controller, a natural gas reforming hydrogen production device, a hydrogen storage tank, a fuel cell generator set and an AC/DC converter;
the hydrogen storage tank is connected between the natural gas reforming hydrogen production device and the fuel cell generator set;
the alternating current side of the AC/DC converter is connected with the fuel cell generator set; the direct current side of the AC/DC converter is connected with a storage battery in the uninterruptible power supply;
the system controller is used for receiving a power-off signal sent by the power-off detection module; wherein the power-off signal indicates that the current commercial power is interrupted;
the system controller is also used for sending a first awakening instruction to the natural gas reforming hydrogen production device;
the natural gas reforming hydrogen production device is used for producing hydrogen when receiving the first awakening instruction, and pressurizing the produced hydrogen by an air compressor and then conveying the hydrogen to the hydrogen storage tank;
the system controller is further used for sending a second awakening instruction to the fuel cell generator set when the pressure of hydrogen in the hydrogen storage tank reaches a threshold value;
the fuel cell generator set is used for generating alternating current when receiving the second awakening instruction;
and the AC/DC converter is used for receiving the alternating voltage generated by the fuel cell generator set and converting the alternating voltage to obtain the direct voltage meeting the requirement of a storage battery in the uninterruptible power supply.
Optionally, the system controller is further configured to:
sending a control instruction to the power failure detection module; the control instruction is used for indicating the power-off detection module to control a mains supply switch in the power distribution cabinet to be switched off.
Optionally, the system controller is further configured to:
receiving a shutdown signal sent by the power failure detection module; wherein the shutdown signal indicates that the current utility power is restored;
and controlling the natural gas reforming hydrogen production device and the fuel cell generator set to stop working.
Optionally, the fuel cell generator set includes:
at least one fuel cell generator unit and a corresponding DC/AC converter for the fuel cell generator unit;
the fuel cell generator unit is connected between the DC/AC converter corresponding to the fuel cell generator unit and the hydrogen storage tank, and the DC/AC converter corresponding to the fuel cell generator unit is also connected to the AC/DC converter;
the fuel cell generator unit is used for generating direct current when receiving the second awakening instruction;
the DC/AC converter corresponding to the fuel cell generator unit is used for converting the direct current generated by the fuel cell generator unit into alternating current; wherein, the frequency, the voltage and the phase of the alternating current converted by all the DC/AC converters are the same.
Optionally, the apparatus for reforming natural gas to produce hydrogen includes:
the system comprises a natural gas acquisition unit, a water acquisition unit, a hydrogen production unit and an auxiliary machine;
the hydrogen production unit is respectively connected with the natural gas acquisition unit, the water acquisition unit and the auxiliary machine;
the auxiliary machine is respectively connected with the uninterruptible power supply, the natural gas acquisition unit, the water acquisition unit and the hydrogen production unit;
the auxiliary machine is used for acquiring electric energy from the uninterruptible power supply when receiving the first awakening instruction; and enabling the natural gas obtaining unit, the water obtaining unit and the hydrogen producing unit using the electrical energy;
the hydrogen production unit is used for carrying out chemical reaction on the natural gas obtained by the natural gas obtaining unit and the water obtained by the water obtaining unit to prepare hydrogen.
A second aspect of the present application provides an uninterruptible power supply method, including:
the system controller receives a power-off signal sent by the power-off detection module; wherein the power-off signal indicates that the current commercial power is interrupted;
the system controller sends a first awakening instruction to the natural gas reforming hydrogen production device;
the hydrogen production device for reforming natural gas prepares hydrogen when receiving the first awakening instruction, and the prepared hydrogen is pressurized by an air compressor and then is conveyed to a hydrogen storage tank;
when the pressure of hydrogen in the hydrogen storage tank reaches a threshold value, the system controller sends a second awakening instruction to the fuel cell generator set;
the fuel cell generator set generates alternating current when receiving the second awakening instruction;
and the AC/DC converter receives and converts the alternating voltage generated by the fuel cell generator set to obtain the direct voltage required by the storage battery in the uninterruptible power supply.
Optionally, before the system controller sends the first wake-up instruction to the natural gas reforming hydrogen production apparatus, the system controller further includes:
the system controller sends a control instruction to the power failure detection module; the control instruction is used for indicating the power-off detection module to control a mains supply switch in the power distribution cabinet to be switched off.
Optionally, the uninterrupted power supply method further includes:
the system controller receives a shutdown signal sent by the power failure detection module; wherein the shutdown signal indicates that the current utility power is restored;
and the system controller controls the natural gas reforming hydrogen production device and the fuel cell generator set to stop working.
Optionally, the fuel cell generator set includes at least one fuel cell generator unit and a DC/AC converter corresponding to the fuel cell generator unit; when receiving the second wake-up instruction, the fuel cell generator set generates alternating current, and the method comprises the following steps:
the fuel cell generator unit generates direct current when receiving the second wake-up command;
the DC/AC converter corresponding to the fuel cell generator unit converts the direct current generated by the fuel cell generator unit into alternating current; wherein, the frequency, the voltage and the phase of the alternating current converted by all the DC/AC converters are the same.
Optionally, the natural gas reforming hydrogen production device comprises a natural gas obtaining unit, a water obtaining unit, a hydrogen production unit and an auxiliary machine; when receiving the first awakening instruction, the natural gas reforming hydrogen production device performs hydrogen production, and the produced hydrogen is pressurized by an air compressor and then conveyed to a hydrogen storage tank, and the hydrogen production device comprises:
the auxiliary machine obtains electric energy from an uninterrupted power supply when receiving the first awakening instruction;
the auxiliary machine enables the natural gas obtaining unit, the water obtaining unit and the hydrogen production unit by using the electric energy;
the hydrogen production unit utilizes the natural gas obtained by the natural gas obtaining unit and the water obtained by the water obtaining unit to carry out chemical reaction to prepare hydrogen.
As can be seen from the above solutions, in the uninterruptible power supply system and method provided in the present application, the uninterruptible power supply method includes: the system controller receives a power-off signal sent by the power-off detection module; wherein the power-off signal indicates that the current commercial power is interrupted; the method comprises the steps that a system controller sends a first awakening instruction to a natural gas reforming hydrogen production device; the hydrogen production device for reforming natural gas prepares hydrogen when receiving the first awakening instruction, and the prepared hydrogen is pressurized by an air compressor and then is conveyed to a hydrogen storage tank; when the pressure of hydrogen in the hydrogen storage tank reaches a threshold value, the system controller sends a second awakening instruction to the fuel cell generator set; the fuel cell generator set generates alternating current when receiving a second awakening instruction; the AC/DC converter receives and converts alternating current voltage generated by the fuel cell generator set to obtain direct current voltage required by a storage battery in the uninterruptible power supply, so that the storage battery in the uninterruptible power supply can be charged, and the aim of continuously transmitting electric energy to electric equipment which cannot be stopped is fulfilled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a specific flowchart of an uninterrupted power supply method according to an embodiment of the present disclosure;
fig. 2 is a flow chart of a method for producing hydrogen according to another embodiment of the present disclosure;
fig. 3 is a flowchart illustrating a method for generating ac power by a fuel cell generator set according to another embodiment of the present application;
FIG. 4 is a schematic illustration of a fuel cell generator unit according to another embodiment of the present application;
fig. 5 is a flowchart of an uninterrupted power supply method according to another embodiment of the present application;
fig. 6 is a schematic diagram of an uninterruptible power supply system according to another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first", "second", and the like, referred to in this application, are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence of functions performed by these devices, modules or units, but the terms "include", or any other variation thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements that are not explicitly listed, or includes elements inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiment of the present application provides an uninterrupted power supply method, as shown in fig. 1, which specifically includes the following steps:
s101, a system controller receives a power-off signal sent by a power-off detection module.
Wherein the power-off signal indicates that the current commercial power is interrupted. The mains, known as mains frequency Alternating Current (AC), is characterized by three common quantities of AC: voltage, current, frequency.
S102, the system controller sends a first awakening instruction to the natural gas reforming hydrogen production device.
It should be noted that, while the system controller sends the first wake-up instruction to the natural gas reforming hydrogen production apparatus, the Uninterruptible Power Supply (UPS) already starts to operate, so as to ensure normal operation of the Uninterruptible Power Supply. The uninterruptible power supply is system equipment which is connected with a storage battery and a host and converts direct current into commercial power through module circuits such as a host inverter and the like. An uninterruptible power supply can typically provide power for around 30 minutes.
In order to avoid the accident that the worker overhauls the external circuit due to the fact that the electric energy generated by the power generation device is communicated with the external circuit after the commercial power is cut off, in another embodiment of the present application, an implementation manner before step S102 further includes:
and the system controller sends a control instruction to the power failure detection module.
The control instruction is used for indicating the power-off detection module to control the disconnection of a mains supply switch in the power distribution cabinet.
S103, preparing hydrogen by the natural gas reforming hydrogen production device when receiving the first awakening instruction, pressurizing the prepared hydrogen by an air compressor, and conveying the pressurized hydrogen to a hydrogen storage tank.
Alternatively, in another embodiment of the present application, a natural gas reforming hydrogen production apparatus includes: the system comprises a natural gas acquisition unit, a water acquisition unit, a hydrogen production unit and an auxiliary machine; one implementation of step S103, as shown in fig. 2, specifically includes the following steps:
s201, when the auxiliary machine receives a first awakening instruction, the auxiliary machine obtains electric energy from an uninterruptible power supply.
Specifically, a relay of the auxiliary machine can be closed through internal control, so that the auxiliary machine can obtain electric energy from an uninterrupted power supply.
S202, enabling the natural gas obtaining unit, the water obtaining unit and the hydrogen production unit by the auxiliary machine through electric energy.
The natural gas obtaining unit may be, but is not limited to, obtaining natural gas in a gas pipeline after being enabled, and the water obtaining unit may be, but is not limited to, obtaining water in a tap water pipeline after being enabled, which is not limited herein.
S203, the hydrogen production unit utilizes the natural gas obtained by the natural gas obtaining unit and the water obtained by the water obtaining unit to carry out chemical reaction to prepare the hydrogen.
It is understood that the main chemical equation for the chemical reaction of natural gas and water is: CH (CH)4+2H2O＝4H2+CO2。
And S104, when the pressure of the hydrogen in the hydrogen storage tank reaches a threshold value, the system controller sends a second awakening instruction to the fuel cell generator set.
The threshold is a value summarized by technicians, experts, and the like through experiments, tests, and the like, and can be set and changed according to actual application conditions, subsequent experiment results, test results, and the like, and the threshold is not limited here.
And S105, generating alternating current by the fuel cell generator set when receiving the second wake-up instruction.
Optionally, in another embodiment of the present application, the fuel cell generator set includes at least one fuel cell generator unit and a DC/AC converter corresponding to the fuel cell generator unit; one embodiment of step S105, as shown in fig. 3, specifically includes the following steps:
and S301, generating direct current by the fuel cell generator unit when receiving a second wake-up instruction.
And S302, converting the direct current generated by the fuel cell generator unit into alternating current by a DC/AC converter corresponding to the fuel cell generator unit.
The frequency, voltage and phase of the alternating current converted by all the DC/AC converters are the same.
It is noted that the fuel cell generator unit may be, but is not limited to, a fuel cell generator unit as schematically shown in fig. 4.
And S106, the AC/DC converter receives and converts the alternating voltage generated by the fuel cell generator set to obtain the direct voltage required by the storage battery in the uninterruptible power supply.
It can be understood that the AC/DC converter receives the AC voltage generated by the fuel cell generator set and converts the AC voltage to obtain the DC voltage required by the battery in the ups, so as to charge the battery, and thus the ups can be always in a working state under the conditions of natural gas and water, and the purpose of continuously transmitting the electric energy to the non-stoppable electric equipment is achieved. Compare in prior art, the consumer that can not shut down supplies power and is subject to the capacity of hydrogen storage tank, and the time that this application supplies power to the consumer that can not shut down is longer, and need not save hydrogen, and the problem of hydrogen difficult long-time storage among the prior art has been solved to the edgewise.
Optionally, in another embodiment of the present application, an implementation of the uninterrupted power supply method, as shown in fig. 5, further includes:
s501, the system controller receives a shutdown signal sent by the power-off detection module.
Wherein the shutdown signal indicates that the current utility power is restored.
And S502, the system controller controls the natural gas reforming hydrogen production device and the fuel cell generator set to stop working.
As can be seen from the above solutions, in an uninterruptible power supply method provided in the present application, the uninterruptible power supply method includes: the system controller receives a power-off signal sent by the power-off detection module; wherein the power-off signal indicates that the current commercial power is interrupted; the method comprises the steps that a system controller sends a first awakening instruction to a natural gas reforming hydrogen production device; the hydrogen production device for reforming natural gas prepares hydrogen when receiving the first awakening instruction, and the prepared hydrogen is pressurized by an air compressor and then is conveyed to a hydrogen storage tank; when the pressure of hydrogen in the hydrogen storage tank reaches a threshold value, the system controller sends a second awakening instruction to the fuel cell generator set; the fuel cell generator set generates alternating current when receiving a second awakening instruction; the AC/DC converter receives and converts alternating current voltage generated by the fuel cell generator set to obtain direct current voltage required by a storage battery in the uninterruptible power supply, so that the storage battery in the uninterruptible power supply can be charged, and the aim of continuously transmitting electric energy to electric equipment which cannot be stopped is fulfilled.
Another embodiment of the present application provides an uninterruptible power supply system, as shown in fig. 6, which specifically includes:
the system comprises a power failure detection module 10, a system controller 20, a natural gas reforming hydrogen production device 30, a hydrogen storage tank 40, a fuel cell generator set 50 and an AC/DC converter 60.
Wherein, the hydrogen storage tank 40 is connected between the natural gas reforming hydrogen production device 30 and the fuel cell generator set 50; the AC side of the AC/DC converter 60 is connected to the fuel cell power plant 50; the DC side of the AC/DC converter 60 is connected to the battery in the ups.
In practical application of the above-mentioned uninterruptible power supply system, the system controller 20 is configured to receive the power outage signal sent by the power outage detection module 10.
Wherein the power-off signal indicates that the current commercial power is interrupted.
And the system controller 20 is also used for sending a first wake-up instruction to the natural gas reforming hydrogen production device.
And the natural gas reforming hydrogen production device 30 is used for producing hydrogen when receiving the first awakening instruction, and pressurizing the produced hydrogen by an air compressor and then conveying the hydrogen into the hydrogen storage tank 40.
The system controller 20 is further configured to send a second wake-up command to the fuel cell generator set 50 when the pressure of the hydrogen gas in the hydrogen storage tank 40 reaches a threshold value.
And the fuel cell generator set 50 is used for generating alternating current when receiving the second wake-up instruction.
And the AC/DC converter 60 is used for receiving the alternating-current voltage generated by the fuel cell generator set and converting the alternating-current voltage to obtain the direct-current voltage required by the storage battery in the uninterruptible power supply.
For a specific working process of the unit disclosed in the above embodiment of the present application, reference may be made to the content of the corresponding method embodiment, as shown in fig. 1, which is not described herein again.
Optionally, in another embodiment of the present application, the system controller 20 is further configured to:
and sending a control instruction to the power failure detection module 10.
Wherein, the control instruction is used for instructing the power failure detection module 10 to control the disconnection of the mains switch in the power distribution cabinet.
For specific working processes of the units disclosed in the above embodiments of the present application, reference may be made to the contents of the corresponding method embodiments, which are not described herein again.
Optionally, in another embodiment of the present application, the system controller 20 is further configured to:
and receiving a shutdown signal sent by the power-off detection module.
Wherein the shutdown signal indicates that the current utility power is restored.
And controlling the natural gas reforming hydrogen production device and the fuel cell generator set to stop working.
For a specific working process of the unit disclosed in the above embodiment of the present application, reference may be made to the content of the corresponding method embodiment, as shown in fig. 5, which is not described herein again.
Alternatively, in another embodiment of the present application, an implementation of the fuel cell power plant 50 includes:
at least one fuel cell generator unit and a corresponding DC/AC converter for the fuel cell generator unit.
The fuel cell generator unit is connected between the DC/AC converter corresponding to the fuel cell generator unit and the hydrogen storage tank 40, and the DC/AC converter corresponding to the fuel cell generator unit is also connected to the AC/DC converter 60.
And the fuel cell generator unit is used for generating direct current when receiving the second wake-up instruction.
And the DC/AC converter corresponding to the fuel cell generator unit is used for converting the direct current generated by the fuel cell generator unit into alternating current.
The frequency, voltage and phase of the alternating current converted by all the DC/AC converters are the same.
For a specific working process of the unit disclosed in the above embodiment of the present application, reference may be made to the content of the corresponding method embodiment, as shown in fig. 3, which is not described herein again.
Alternatively, in another embodiment of the present application, an embodiment of the natural gas reforming hydrogen plant 30 comprises:
the system comprises a natural gas acquisition unit, a water acquisition unit, a hydrogen production unit and an auxiliary machine.
The hydrogen production unit is respectively connected with the natural gas acquisition unit, the water acquisition unit and the auxiliary machine.
The auxiliary machine is respectively connected with the uninterrupted power supply, the natural gas acquisition unit, the water acquisition unit and the hydrogen production unit.
The auxiliary machine is used for acquiring electric energy from the uninterruptible power supply when receiving the first awakening instruction; and the electric energy is utilized to enable the natural gas obtaining unit, the water obtaining unit and the hydrogen production unit.
The hydrogen production unit is used for carrying out chemical reaction on the natural gas obtained by the natural gas obtaining unit and the water obtained by the water obtaining unit to prepare the hydrogen.
For a specific working process of the unit disclosed in the above embodiment of the present application, reference may be made to the content of the corresponding method embodiment, as shown in fig. 2, which is not described herein again.
As can be seen from the above solutions, in an uninterruptible power supply system provided in the present application, the uninterruptible power supply system includes: the system comprises a power failure detection module 10, a system controller 20, a natural gas reforming hydrogen production device 30, a hydrogen storage tank 40, a fuel cell generator set 50 and an AC/DC converter 60. The system controller 20 is configured to receive a power-off signal sent by the power-off detection module 10; wherein the power-off signal indicates that the current commercial power is interrupted; the system controller 20 is further configured to send a first wake-up instruction to the natural gas reforming hydrogen production apparatus 30; the natural gas reforming hydrogen production device 30 is used for producing hydrogen when receiving the first wake-up instruction, and pressurizing the produced hydrogen by an air compressor and then conveying the hydrogen to the hydrogen storage tank 40; when the hydrogen pressure in the hydrogen storage tank 40 reaches the threshold value, the system controller 20 is further configured to send a second wake-up instruction to the fuel cell generator set 50; the fuel cell generator set 50 is used for generating alternating current when receiving a second awakening instruction; the AC/DC converter 60 is configured to receive the AC voltage generated by the fuel cell generator set 50, and convert the AC voltage to obtain a DC voltage required by the battery in the ups, so as to charge the battery in the ups, thereby achieving the purpose of continuously transmitting the electric energy to the non-stoppable electric device.
In the above embodiments disclosed in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus and method embodiments described above are illustrative only, as the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present disclosure may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part. The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a live broadcast device, or a network device) to execute all or part of the steps of the method according to the embodiments of the present disclosure. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Those skilled in the art can make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An uninterruptible power supply system, comprising:
the system comprises a power failure detection module, a system controller, a natural gas reforming hydrogen production device, a hydrogen storage tank, a fuel cell generator set and an AC/DC converter;
the hydrogen storage tank is connected between the natural gas reforming hydrogen production device and the fuel cell generator set;
the alternating current side of the AC/DC converter is connected with the fuel cell generator set; the direct current side of the AC/DC converter is connected with a storage battery in the uninterruptible power supply;
the system controller is used for receiving a power-off signal sent by the power-off detection module; wherein the power-off signal indicates that the current commercial power is interrupted;
the system controller is also used for sending a first awakening instruction to the natural gas reforming hydrogen production device;
the natural gas reforming hydrogen production device is used for producing hydrogen when receiving the first awakening instruction, and pressurizing the produced hydrogen by an air compressor and then conveying the hydrogen to the hydrogen storage tank;
the system controller is further used for sending a second awakening instruction to the fuel cell generator set when the pressure of hydrogen in the hydrogen storage tank reaches a threshold value;
the fuel cell generator set is used for generating alternating current when receiving the second awakening instruction;
and the AC/DC converter is used for receiving the alternating voltage generated by the fuel cell generator set and converting the alternating voltage to obtain the direct voltage meeting the requirement of a storage battery in the uninterruptible power supply.
2. The power supply system of claim 1, wherein the system controller is further configured to:
sending a control instruction to the power failure detection module; the control instruction is used for indicating the power-off detection module to control a mains supply switch in the power distribution cabinet to be switched off.
3. The power supply system of claim 1, wherein the system controller is further configured to:
receiving a shutdown signal sent by the power failure detection module; wherein the shutdown signal indicates that the current utility power is restored;
and controlling the natural gas reforming hydrogen production device and the fuel cell generator set to stop working.
4. The power supply system of claim 1, wherein the fuel cell generator set comprises:
at least one fuel cell generator unit and a corresponding DC/AC converter for the fuel cell generator unit;
the fuel cell generator unit is connected between the DC/AC converter corresponding to the fuel cell generator unit and the hydrogen storage tank, and the DC/AC converter corresponding to the fuel cell generator unit is also connected to the AC/DC converter;
the fuel cell generator unit is used for generating direct current when receiving the second awakening instruction;
the DC/AC converter corresponding to the fuel cell generator unit is used for converting the direct current generated by the fuel cell generator unit into alternating current; wherein, the frequency, the voltage and the phase of the alternating current converted by all the DC/AC converters are the same.
5. The power supply system of claim 1, wherein the natural gas reforming hydrogen plant comprises:
the system comprises a natural gas acquisition unit, a water acquisition unit, a hydrogen production unit and an auxiliary machine;
the hydrogen production unit is respectively connected with the natural gas acquisition unit, the water acquisition unit and the auxiliary machine;
the auxiliary machine is respectively connected with the uninterruptible power supply, the natural gas acquisition unit, the water acquisition unit and the hydrogen production unit;
the auxiliary machine is used for acquiring electric energy from the uninterruptible power supply when receiving the first awakening instruction; and enabling the natural gas obtaining unit, the water obtaining unit and the hydrogen producing unit using the electrical energy;
the hydrogen production unit is used for carrying out chemical reaction on the natural gas obtained by the natural gas obtaining unit and the water obtained by the water obtaining unit to prepare hydrogen.
6. An uninterrupted power supply method, comprising:
the system controller receives a power-off signal sent by the power-off detection module; wherein the power-off signal indicates that the current commercial power is interrupted;
the system controller sends a first awakening instruction to the natural gas reforming hydrogen production device;
the hydrogen production device for reforming natural gas prepares hydrogen when receiving the first awakening instruction, and the prepared hydrogen is pressurized by an air compressor and then is conveyed to a hydrogen storage tank;
when the pressure of hydrogen in the hydrogen storage tank reaches a threshold value, the system controller sends a second awakening instruction to the fuel cell generator set;
the fuel cell generator set generates alternating current when receiving the second awakening instruction;
and the AC/DC converter receives and converts the alternating voltage generated by the fuel cell generator set to obtain the direct voltage required by the storage battery in the uninterruptible power supply.
7. The power supply method according to claim 6, wherein before the system controller sends the first wake-up instruction to the natural gas reforming hydrogen production apparatus, the method further comprises:
the system controller sends a control instruction to the power failure detection module; the control instruction is used for indicating the power-off detection module to control a mains supply switch in the power distribution cabinet to be switched off.
8. The power supply method according to claim 6, further comprising:
the system controller receives a shutdown signal sent by the power failure detection module; wherein the shutdown signal indicates that the current utility power is restored;
and the system controller controls the natural gas reforming hydrogen production device and the fuel cell generator set to stop working.
9. The power supply method of claim 6, wherein the fuel cell generator set comprises at least one fuel cell generator unit and a corresponding DC/AC converter for the fuel cell generator unit; when receiving the second wake-up instruction, the fuel cell generator set generates alternating current, and the method comprises the following steps:
the fuel cell generator unit generates direct current when receiving the second wake-up command;
the DC/AC converter corresponding to the fuel cell generator unit converts the direct current generated by the fuel cell generator unit into alternating current; wherein, the frequency, the voltage and the phase of the alternating current converted by all the DC/AC converters are the same.
10. The power supply method according to claim 6, wherein the natural gas reforming hydrogen production apparatus includes a natural gas obtaining unit, a water obtaining unit, a hydrogen production unit, and an auxiliary machine; when receiving the first awakening instruction, the natural gas reforming hydrogen production device performs hydrogen production, and the produced hydrogen is pressurized by an air compressor and then conveyed to a hydrogen storage tank, and the hydrogen production device comprises:
the auxiliary machine obtains electric energy from an uninterrupted power supply when receiving the first awakening instruction;
the auxiliary machine enables the natural gas obtaining unit, the water obtaining unit and the hydrogen production unit by using the electric energy;
the hydrogen production unit utilizes the natural gas obtained by the natural gas obtaining unit and the water obtained by the water obtaining unit to carry out chemical reaction to prepare hydrogen.
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Address after: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI POWER Co.,Ltd. Country or region after: China Patentee after: Weichai New Energy Power Technology Co.,Ltd. Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: WEICHAI POWER Co.,Ltd. Country or region before: China Patentee before: Weichai New Energy Technology Co.,Ltd. |