CN212627288U - Uninterrupted power supply device for power utilization information acquisition terminal - Google Patents
Uninterrupted power supply device for power utilization information acquisition terminal Download PDFInfo
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- CN212627288U CN212627288U CN202021051847.XU CN202021051847U CN212627288U CN 212627288 U CN212627288 U CN 212627288U CN 202021051847 U CN202021051847 U CN 202021051847U CN 212627288 U CN212627288 U CN 212627288U
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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
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
Abstract
The utility model relates to an uninterrupted power supply device for power consumption information acquisition terminal belongs to power consumption information acquisition terminal device auxiliary power supply field. The uninterruptible power supply device includes: the system comprises a fan module, a fan controller, a photovoltaic module, a photovoltaic controller, a commercial power module, a rectification module, an energy storage module, a main control module, a communication module, an inversion module, a voltage regulation module, a monitoring module and a power supply interface; the utility model discloses to the condition that easily loses the electricity and can not use under the traditional power supply mode of power consumption information acquisition terminal, utilize energy storage equipment, new forms of energy power supply to combine jointly for uninterrupted power supply unit to based on the optimal control strategy, and realize terminal equipment's uninterrupted power supply process, guarantee the reliable power supply at power consumption information acquisition terminal.
Description
Technical Field
The utility model belongs to the technical field of the supplementary power supply of power consumption information acquisition terminal device and specifically relates to a incessant power supply unit for power consumption information acquisition terminal is related to.
Background
The power consumption information acquisition terminal is used as an important node of a ubiquitous power internet of things sensing layer, various power consumption information of power users can be sensed comprehensively, and functions of data acquisition, data processing, real-time monitoring and the like are achieved through the power consumption information acquisition system of the platform layer. The power utilization information acquisition terminal also faces multiple potential safety hazards in the operation process.
Under traditional mode of connection, collection terminal relies on completely to measure secondary circuit power supply. The secondary circuit voltage loss acquisition terminal has power failure due to line maintenance, customer load switching, intermittent power generation of a small hydroelectric generator, change of a waste incineration generator set, severe terminal field installation power supply conditions and the like, so that normal data acquisition of the power utilization information acquisition terminal is seriously influenced, the total acquisition success rate is reduced, the automatic meter reading electric charge settlement work is influenced, manual on-site compensation reading is needed, a large amount of manpower and material cost is consumed, and great influence and economic loss are caused.
Therefore, it is necessary to design an uninterruptible power supply device capable of ensuring reliable power supply of the power consumption information acquisition terminal.
Disclosure of Invention
The utility model relates to an overcome prior art, under traditional mode of connection, power consumption information acquisition terminal relies on the measurement secondary circuit power supply completely, and in case the secondary circuit decompression causes the problem that power consumption information acquisition terminal has a power failure easily, provides a continuous power supply unit who is used for power consumption information acquisition terminal that the suitability is strong and practices thrift working cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
an uninterrupted power supply device for a power utilization information acquisition terminal comprises a fan module, a fan controller, a photovoltaic module, a photovoltaic controller, a commercial power module, a rectification module, an energy storage module, a main control module, an inversion module and a power supply interface; the fan controller, the photovoltaic controller, the rectification module and the energy storage module are all electrically connected with the main control module, the fan module is electrically connected with the fan controller, the photovoltaic module is electrically connected with the photovoltaic controller, the commercial power module is electrically connected with the rectification module, the inversion module is electrically connected with the energy storage module, and the power supply interface is electrically connected with the inversion module.
As preferred, the utility model discloses still include the pressure regulating module, the pressure regulating module is located between power supply interface and the contravariant module, contravariant module and power supply interface all are connected with the pressure regulating module electricity. The voltage regulating module is used for adjusting the output alternating current and voltage range of the uninterruptible power supply device to adapt to other equipment with different voltage grades so as to expand the application range and popularization value of the device, and the voltage regulating module can realize linear adjustment of the output alternating current voltage in the range of 0-300V.
As preferred, the utility model discloses still include monitoring module, monitoring module locates between voltage regulating module and the power supply interface, monitoring module is connected with the host system electricity, voltage regulating module and power supply interface all are connected with monitoring module electricity. The monitoring module collects data such as three-phase voltage, current, power and the like on the alternating current side of the power supply interface so as to monitor the running condition of the interface in real time and provide monitoring data for the main control module.
As preferred, the utility model discloses still include communication module, communication module is connected with the host system electricity. The communication module adopts network communication interfaces such as 4G module, ethernet, wifi, can adopt 4G module wireless communication when incessant power supply unit deploys in the field, can select communication such as ethernet, wifi under indoor or the condition satisfies, realizes the data communication with the remote control main website, regularly reports the operation operating mode data of incessant power supply unit of power consumption information acquisition terminal.
Preferably, the fan controller, the photovoltaic controller and the rectification module are all electrically connected with the main control module through RS485 communication interfaces. The main control module is communicated with the fan controller, the photovoltaic controller and the rectifying module through the RS485 communication interface to obtain real-time operation working conditions, and the optimal charging circuit is preferably selected to charge the energy storage module.
Preferably, an inverter chip with the model number of DIP7 is adopted in the inverter module. The inversion chip DIP7 is a highly integrated inversion chip, a pulse width modulation controller and a power MOSFET are integrated in the chip, the inversion chip is specially used for an alternating current-direct current conversion switching power supply with high performance and simple peripheral components, and the DIP7 chip can provide comprehensive and excellent-performance intelligent protection functions.
Therefore, the utility model discloses following beneficial effect has: (1) the utility model utilizes the complementary characteristics of solar energy and wind energy in time and region, and can solve the problem of continuous charging of the energy storage module by using the wind-solar complementary system; (2) the utility model is internally equipped with a data acquisition function, has a remote communication interface, realizes remote unmanned monitoring, and is beneficial to field deployment and remote monitoring application of the device; (3) the utility model discloses output alternating voltage scope is adjustable, and other consumer are generally matchd, possess very strong adaptability and spreading value.
Drawings
Fig. 1 is a schematic block diagram of the present invention;
fig. 2 is a flow chart of the present invention.
In the figure: the system comprises a fan module 1, a fan controller 2, a photovoltaic module 3, a photovoltaic controller 4, a commercial power module 5, a rectification module 6, an energy storage module 7, a main control module 8, a communication module 9, an inversion module 10, a voltage regulation module 11, a monitoring module 12 and a power supply interface 13.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings:
fig. 1 shows an uninterruptible power supply device for a power consumption information acquisition terminal of the present invention, which includes a fan module, a fan controller, a photovoltaic module, a photovoltaic controller, a utility power module, a rectifier module, an energy storage module, a main control module, a communication module, an inverter module, a voltage regulation module, a monitoring module, and a power supply interface; the fan controller, the photovoltaic controller, the rectification module and the energy storage module are all electrically connected with the main control module, the fan module is electrically connected with the fan controller, the photovoltaic module is electrically connected with the photovoltaic controller, the commercial power module is electrically connected with the rectification module, the energy storage module, the inversion module, the voltage regulation module, the monitoring module and the power supply interface are sequentially and electrically connected, and the monitoring module is electrically connected with the main control module.
In addition, the fan controller, the photovoltaic controller and the rectifying module are all electrically connected with the main control module through RS485 communication interfaces.
The energy storage module adopts a high-density energy storage battery, the equipment is small in size and large in electric energy capacity, and long-time uninterrupted power supply can be provided for the equipment. The model of the main control module is EVBCM-8133, the photovoltaic module specifically adopts a solar polycrystalline cell panel, the wind driven generator adopted in the fan module is a three-phase alternating current permanent magnet generator, and the rated power can be 100W, 200W or 300W.
In addition, a high-integration inversion chip DIP7 is adopted in the inversion module, and a pulse width modulation controller and a power MOSFET are integrated in the DIP7 chip and are specially used for an alternating current-direct current conversion switching power supply with high performance and simplified peripheral components. The DIP7 chip is also internally provided with an intelligent high-voltage starting module so as to realize a high-cost-performance flyback switching power supply system with ultra-low standby power consumption.
The voltage regulating module adopts a silicon controlled electronic voltage regulator, when the input voltage of the inversion module is constant, and the voltage of the energy storage module is different, the voltage regulating module can be selected, and at the moment, the voltage regulating module mainly serves as a voltage matching circuit.
In addition, between contravariant module and acquisition terminal, when there is the difference condition in the voltage, also can adopt the voltage regulator to match the voltage difference.
The utility model provides a monitoring module adopts high in the clouds service to realize, specifically includes: the front-end server is used for acquiring data of the standby power supply device, is provided with an internet interface and can communicate with an external network; the interface server is used for realizing a third-party system interface and a mobile phone application interface; the application server is used as a server for information analysis and processing, is deployed in an intranet, and generally reads and processes data of a database and stores analysis results in the database; and the database server is used for storing the collected data.
The communication module performs data interaction with the acquisition master station through a wireless public network, so that the transmission, processing, monitoring, feedback and control of the multidimensional data of the equipment are realized. The Battery Management System (BMS) is arranged in the communication module and can realize the functions of real-time monitoring, fault diagnosis, SOC/SOH estimation, insulation detection, display alarm, remote monitoring and the like of the energy storage module. The battery management system performs information interaction with devices such as a PCS (personal communications system), an EMS (energy management system) and a battery management module BMM (battery management module) through a CAN (controller area network) bus, and ensures that the energy storage system operates efficiently, reliably and safely. The battery management system specifically comprises a microcontroller MCU, an analog front-end battery controller IC, an isolation network high-speed transceiver, a system base chip SBC and the like.
As shown in fig. 2, the utility model discloses a concrete working method for uninterrupted power supply device at power consumption information acquisition terminal is as follows:
the main control module circularly operates the control method and the control strategy in a timing mode, judges whether the energy storage module is full or not based on the judgment basis that the SOC value of the energy storage module is more than 90% or the deviation of the voltage of the current energy storage module and a rated voltage value is less than 5%, and stops a power supply line for charging the energy storage module or switches to a continuous floating charging mode to protect the safe operation of the energy storage module if the energy storage module is full.
If the main control module judges that the current energy storage module is not full, the main control module successively acquires the working condition of the fan module, the working condition of the photovoltaic module and the output power of the power supply interface to comprehensively judge:
the charging mode is matched by comparing and judging the output power of the fan module and the photovoltaic module, and a circuit with higher output power is preferably selected to supply power for the energy storage battery. In order to achieve the balance of input power and output power of the uninterrupted power supply device in the control strategy, the main control module judges the output power value of the power supply interface, and under the condition that the output power value is larger than the sum of the input power of a single fan module and the input power of the photovoltaic module, the fan module and the photovoltaic module are started to simultaneously transmit the multi-path input power to the energy storage module, so that the balance of the input power and the input power is ensured. Based on the economy and environmental protection of new energy wind power and photoelectricity, the energy storage module is preferentially selected to be powered.
When the output power of the fan module and the output power of the photovoltaic module are both smaller than the charging limit value, the situation that the scene is not lighted and is windless is represented, the main control module continuously judges the voltage value of the commercial power module, and when the commercial power is judged to be available, the commercial power module is started, and the rectifier module converts the commercial power into 24V direct current to charge the energy storage module.
The utility model discloses to the condition that easily loses the electricity and can not use under the traditional power supply mode of power consumption information acquisition terminal, utilize energy storage equipment, new forms of energy power supply to combine jointly for uninterrupted power supply unit to based on the optimal control strategy, and realize terminal equipment's uninterrupted power supply process, guarantee the reliable power supply at power consumption information acquisition terminal.
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Claims (6)
1. An uninterrupted power supply device for a power utilization information acquisition terminal is characterized by comprising a fan module, a fan controller, a photovoltaic module, a photovoltaic controller, a commercial power module, a rectification module, an energy storage module, a main control module, an inversion module and a power supply interface; the fan controller, the photovoltaic controller, the rectification module and the energy storage module are all electrically connected with the main control module, the fan module is electrically connected with the fan controller, the photovoltaic module is electrically connected with the photovoltaic controller, the commercial power module is electrically connected with the rectification module, the inversion module is electrically connected with the energy storage module, and the power supply interface is electrically connected with the inversion module.
2. The uninterruptible power supply device for the power consumption information acquisition terminal according to claim 1, further comprising a voltage regulation module, wherein the voltage regulation module is disposed between the power supply interface and the inversion module, and the inversion module and the power supply interface are both electrically connected to the voltage regulation module.
3. The uninterruptible power supply device for the power consumption information acquisition terminal according to claim 2, further comprising a monitoring module, wherein the monitoring module is disposed between the voltage regulation module and the power supply interface, the monitoring module is electrically connected to the main control module, and both the voltage regulation module and the power supply interface are electrically connected to the monitoring module.
4. The uninterrupted power supply device for the power utilization information acquisition terminal according to any one of claims 1 to 3, further comprising a communication module, wherein the communication module is electrically connected with the main control module.
5. The uninterrupted power supply device for the electricity information acquisition terminal according to any one of claims 1 to 3, wherein the fan controller, the photovoltaic controller and the rectification module are electrically connected with the main control module through RS485 communication interfaces.
6. The uninterruptible power supply device for the power consumption information acquisition terminal according to any one of claims 1 to 3, wherein an inverter chip model of DIP7 is used in the inverter module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021051847.XU CN212627288U (en) | 2020-06-10 | 2020-06-10 | Uninterrupted power supply device for power utilization information acquisition terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021051847.XU CN212627288U (en) | 2020-06-10 | 2020-06-10 | Uninterrupted power supply device for power utilization information acquisition terminal |
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| Publication Number | Publication Date |
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| CN212627288U true CN212627288U (en) | 2021-02-26 |
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| CN202021051847.XU Active CN212627288U (en) | 2020-06-10 | 2020-06-10 | Uninterrupted power supply device for power utilization information acquisition terminal |
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- 2020-06-10 CN CN202021051847.XU patent/CN212627288U/en active Active
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