CN112311083A - Multi-redundancy distributed mobile power supply system - Google Patents
Multi-redundancy distributed mobile power supply system Download PDFInfo
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- CN112311083A CN112311083A CN202011232688.8A CN202011232688A CN112311083A CN 112311083 A CN112311083 A CN 112311083A CN 202011232688 A CN202011232688 A CN 202011232688A CN 112311083 A CN112311083 A CN 112311083A
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- power supply
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- stage
- discharge
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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
- H02J9/061—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 DC powered loads
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The invention discloses a multi-redundancy distributed mobile power supply system which comprises a control mainboard, a first-stage power supply, a second-stage standby power supply and a third-stage discharge module, wherein the first-stage power supply comprises a PV power supply module and a 220V mains supply module, the second-stage standby power supply is a lithium battery module, the third-stage discharge module is a super capacitor module, the super capacitor module is welded on the control mainboard, a DC/DC power supply conversion module, an AC/DC power supply conversion module and the lithium battery module are connected with the control mainboard through connector assembly cords, the DC/DC power supply conversion module and the AC/DC power supply conversion module are respectively in butt joint with the PV power supply module and the 220V mains supply module, and a battery charging and discharging management module is arranged on the lithium battery. The beneficial conditions of the invention are as follows: the power supply is coordinated, the matching can be carried out according to different power supply requirements, the power supply requirements can be met in a mobile mode, and the characteristics of multiple redundancy and self power supply are achieved.
Description
Technical Field
The invention relates to the technical field of solar power generation control self-powered systems, in particular to a multi-redundancy distributed mobile power supply system.
Background
Solar photo-thermal power generation and photovoltaic power generation directly utilize solar energy to convert the solar energy into electric energy for human use, the electric energy is real clean energy, and the whole process from a supply chain to energy production is close to zero pollution and zero emission. At present, in order to improve the power generation benefit of solar power station, all dispose the tracking control system, and solar power station generally all arranges the remote place that is extensive and rare again, and construction and debugging maintenance need allocate a large amount of manpower and materials, and the power supply of the controller that the project kind used a large amount of, if adopt traditional wired power supply mode, will consume a large amount of cable resources and manpower resources, debugging and maintenance are also very inconvenient in the future, also can prolong the time limit for a project and increase the debugging degree of difficulty, increase initial investment cost.
In addition, in the scenario of inconvenient industrial data acquisition or electrical control of other power supply schemes, the pull configuration power supply may be very inconvenient or costly, and a power supply system with high reliability and redundancy needs to be provided to supply power to the load system.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a multi-redundancy distributed mobile power supply system that can coordinate power supply, can be selectively configured according to different power supply requirements, and has the characteristics of mobility to meet the power supply requirements and multi-redundancy self-power supply.
In order to achieve the purpose, the technical scheme of the invention is as follows:
many redundant distributed removal power supply system, including control mainboard, the first level power, the second level stand-by power supply, the third pole module of discharging the first level power include PV power module and 220V commercial power supply module, the second level stand-by power supply is the lithium cell module, the third pole module of discharging is the super capacitor module, the welding has super capacitor module on the control mainboard, DC/DC power conversion module, AC/DC power conversion module passes through the connector patchcord with the lithium cell module and is connected with the control mainboard, DC/DC power conversion module, AC/DC power conversion module has docked PV power module and 220V commercial power supply module respectively, be equipped with battery charge-discharge management module on the lithium cell module.
Preferably, the control mainboard is reserved with mounting screw holes for different equipment integration at four corners.
Preferably, the output positions of the first-stage power supply, the second-stage standby power supply and the third-stage discharge module are decided by one-way diodes, the PV power supply module of the first-stage power supply and the 220V commercial power supply module are both provided with one-way diodes and used for deciding the power supply, the first-stage power supply and the third-stage discharge module, the second-stage standby power supply and the third-stage discharge module are both provided with one-way diodes and used for deciding the power supply, and the battery charge-discharge management module is connected to the output end of the first-stage power supply.
Preferably, the output power supply of the first-stage power supply is supplied with power by judging and selecting one end with high voltage through the PV power supply module and the 220V commercial power supply module through the one-way diode, and the first-stage power supply and the second-stage standby power supply are supplied with power by judging and selecting one end with high voltage through the one-way diode.
Preferably, the first-stage power supply is a power supply general input module, when the first-stage power supply is abnormal, the second-stage standby power supply supplies power, and the third-stage discharging module can discharge power in a short time and high power and provides a high-current input requirement at the moment of starting the motor.
The beneficial conditions of the invention are as follows:
1. the cascade power supply is utilized to meet the long-term power supply requirement of the power load;
2. three-stage selective power supply is realized, long-term power supply is realized, and the stability is high;
3. the two power supply work orders can be selectively accessed according to the distribution characteristics of solar energy resources or commercial power supply, so that the application range is wider;
4. the third pole discharge module is designed, so that high-power generation can be performed, and the power consumption requirement of high-power equipment is met;
5. by adopting a power supply mode of PV power supply, 220V double-circuit power supply and multi-form power supply of a lithium battery module and a super capacitor module, multiple power supplies are organically coordinated, and the advantages and the disadvantages are made up, so that the instantaneous large-current energy requirement of a power type load can be met, and the long-time reliable operation can be met;
6. the movable deployment mode meets the power supply sharing scheme of various use working conditions.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, many redundant distributed removal power supply system, including control mainboard, the primary power, the second level stand-by power supply, the third pole module of discharging the primary power include PV power module and 220V commercial power supply module, the second level stand-by power supply is the lithium cell module, the third pole module of discharging is the super capacitor module, the welding has the super capacitor module on the control mainboard, DC/DC power conversion module, AC/DC power conversion module passes through the connector patchcord with the lithium cell module and is connected with the control mainboard, DC/DC power conversion module, AC/DC power conversion module have PV power module and 220V commercial power supply module respectively to dock, be equipped with the battery on the lithium cell module and fill and discharge management module. The control mainboard all reserve at four angles and have the installation screw that is used for different equipment integrations. First order power, second level stand-by power and third pole discharge module output position all carry out the choice of power through one-way diode, the PV power module of first order power all is equipped with and carries out the choice of power through one-way diode with 220V commercial power module one side, first order power and third pole discharge module, second level stand-by power and third pole discharge all are equipped with between the module and carry out the choice of power through one-way diode, the battery fills the charge-discharge management module and connects in first order power output. The output power supply of the first-stage power supply is judged and selected one end of the high voltage to supply power through the PV power supply module and the 220V commercial power supply module through the one-way diode, and the first-stage power supply and the second-stage standby power supply are judged and selected one end of the high voltage to supply power through the one-way diode. The first-stage power supply is a general input module of the power supply, when the first-stage power supply is abnormal, the power supply is supplied through the second-stage standby power supply, and the third-stage discharge module can perform short-time high-power discharge and provides a large-current input requirement for the motor in the moment of starting.
The first-stage power supply, the second-stage standby power supply and the third-stage discharging module comprise a PV power supply module, a 220V commercial power supply module, a lithium battery module and a super capacitor module, different power supply form characteristics are combined and utilized, and the cascade power supply is utilized, so that the long-term power supply requirement of a power load can be met, and the supply requirement of a power supply for long-term stability of a common load can also be met.
The system is composed of three parts of cascade power supply modules, wherein a first-stage power supply is a general power supply input module and is composed of two redundant PV power supply modules and a 220V power supply module; the second-stage standby power supply is an energy storage and power supply standby module and consists of a lithium battery module and a battery charging and discharging management module loop thereof, and under an abnormal working condition, other power supplies do not normally supply power or after discharging is finished, the module supplies power; the third-stage discharge module is a super capacitor module, and because the super capacitor has the characteristic of short-time high-power discharge, the application scene that the load is a power load of a motor class is met, and the high-current input requirement at the moment of starting the motor can be provided; a unidirectional diode is arranged between each stage of power supply, the voltage comparison is carried out for changing the direction, and the parameter of each stage of voltage is gradually reduced.
The third stage discharge module directly provides load for the load, the power supply is selected between the first stage power supply and the second stage standby power supply through a one-way diode, the super capacitor module of the third stage discharge module discharges firstly, the voltage is reduced after the discharge, when the voltage is reduced to the moment lower than the secondary output voltage, the capacitor is changed into charging, and meanwhile, the second stage standby power supply lithium battery module supplies power;
similarly, when the lithium battery module continuously discharges and the voltage is lower than the input voltage of the first-level power supply, the lithium battery module stops discharging and starts charging, at the moment, the first-level power supply starts discharging and charges the lithium battery module, and meanwhile, the charging of the lithium battery module is controlled by a chip in the battery charging and discharging management module by combining the ambient temperature and the voltage of the battery.
The first-level power supply input of the power supply system consists of two power supply modules: PV power supply module and 220V commercial power supply module, two power supply modules dock different DC/DC power conversion module and AC/DC power conversion module respectively, the redundant power supply, PV power supply module can satisfy that solar energy resource is good, the inconvenient occasion of equipment needs removal or wired power supply, and 220V commercial power supply module then is used for the easy occasion of deploying of commercial power, if two power supplies all have the access, then through the selection of one-way diode voltage, which voltage is high, just with which power, automatic undisturbed switching.
The power supply system second grade stand-by power supply comprises lithium cell group and battery charge and discharge management module, but the lithium cell module energy storage here, stand-by power supply as whole electrical power generating system, after the super capacitor module of third level amplification module discharges, and when the power input of first season power can not satisfy final load's power consumption demand again, the lithium cell module provides the power and gives final power consumption load, the lithium cell module is as stand-by power supply, only launch under abnormal power supply state, can provide the reliability of whole power supply.
And the third-stage discharge module mainly comprises a super capacitor module and a related control circuit, wherein the super capacitor module has low energy storage density but high instantaneous discharge power, and is suitable for the requirements of a motor driving power type load power supply.
The power supply system adopts a PV power supply module, 220V commercial power supply module double-circuit power supply, a power supply mode of a lithium battery module and a super capacitor module in multiple forms, through hardware design and software research and development, multiple power modules can be organically coordinated, strong points are made up for short points, the instantaneous large-current energy requirement of a power type load can be met, long-time reliable operation can be met, and the requirement of mobile deployment can be met.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Many redundant distributed removal power supply system, including control mainboard, primary power, second level stand-by power supply, third pole discharge module, a serial communication port, primary power include PV power module and 220V mains supply module, second level stand-by power supply is the lithium cell module, third pole discharge module is the super capacitor module, the welding has super capacitor module on the control mainboard, DC/DC power conversion module, AC/DC power conversion module passes through the connector patchcord with the lithium cell module and is connected with the control mainboard, DC/DC power conversion module, AC/DC power conversion module has PV power module and 220V mains supply module respectively to dock, be equipped with battery charge-discharge management module on the lithium cell module.
2. The system according to claim 1, wherein the control motherboard is reserved with mounting screws at four corners for different device integration.
3. The system according to claim 1, wherein the output positions of the first stage power supply, the second stage backup power supply and the third stage discharge module are all determined by a one-way diode, the PV power supply module of the first stage power supply and the 220V commercial power supply module are both provided with one-way diodes for determining power supplies, the first stage power supply and the third stage discharge module, the second stage backup power supply and the third stage discharge module are both provided with one-way diodes for determining power supplies, and the battery charging and discharging management module is connected to the output end of the first stage power supply.
4. The system according to claim 1 or 3, wherein the output power of the first power supply is supplied by a PV power supply module and a 220V mains power supply module through a unidirectional diode, and the first power supply and the second backup power supply are supplied by a unidirectional diode.
5. The system according to claim 1, wherein the first stage power supply is a power supply main input module, and when the first stage power supply is abnormal, the second stage standby power supply supplies power, and the third stage discharge module can discharge power in a short time and a large power to provide a large current input requirement at the moment of starting the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232688.8A CN112311083A (en) | 2020-11-06 | 2020-11-06 | Multi-redundancy distributed mobile power supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232688.8A CN112311083A (en) | 2020-11-06 | 2020-11-06 | Multi-redundancy distributed mobile power supply system |
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| CN112311083A true CN112311083A (en) | 2021-02-02 |
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| CN202011232688.8A Pending CN112311083A (en) | 2020-11-06 | 2020-11-06 | Multi-redundancy distributed mobile power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783178A (en) * | 2021-11-15 | 2021-12-10 | 德施曼机电（中国）有限公司 | Power supply circuit of intelligent lock, intelligent lock |
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2020
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| US20050057225A1 (en) * | 2001-11-09 | 2005-03-17 | Didier Marquet | Method and device for supplying electric energy power to an appliance |
| CN201351399Y (en) * | 2008-09-23 | 2009-11-25 | 深圳市海贝斯智能科技有限公司 | Light energy charging electronic lock system |
| CN203445688U (en) * | 2012-09-11 | 2014-02-19 | 张成君 | Uninterruptible power supply converter |
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| CN113783178A (en) * | 2021-11-15 | 2021-12-10 | 德施曼机电（中国）有限公司 | Power supply circuit of intelligent lock, intelligent lock |
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Application publication date: 20210202 |