CN210640693U - Digital controller device for micro-grid - Google Patents
Digital controller device for micro-grid Download PDFInfo
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- CN210640693U CN210640693U CN201921517849.0U CN201921517849U CN210640693U CN 210640693 U CN210640693 U CN 210640693U CN 201921517849 U CN201921517849 U CN 201921517849U CN 210640693 U CN210640693 U CN 210640693U
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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
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a digital controller device for microgrid, which comprises a main controller, an energy storage device and a bidirectional inverter power supply device, wherein the alternating current end of the bidirectional inverter power supply device is connected with a fixed wire network through a power supply bus bar, the main controller is respectively connected with the energy storage device and the bidirectional inverter power supply device through a CAN bus, and the main controller is also connected with a temperature transmitter and an energy storage device temperature control equipment management device through the CAN bus; the temperature transmitter is arranged in the space where the energy storage device is located and used for acquiring the temperature distribution of the space where the energy storage device is located; the energy storage device temperature control equipment management device is used for adjusting the temperature of the space where the energy storage device is located. The utility model discloses can effectively manage energy memory's temperature field, make the microgrid work in the optimal situation.
Description
Technical Field
The utility model relates to a little electric wire netting control technical field especially relates to a digital controller device for little electric wire netting.
Background
The micro-grid system is a micro-grid system, and is used for supplementing a traditional power grid, so that the micro-grid system is well popularized and applied. However, as a long-term and consistent-use power grid system, once a novel power grid is accessed, the novel power grid is used as a brand-new direct current for energy flow, and although the effects of supplementation and optimization are achieved in the application process of the whole power grid system, the method is feasible and avoids new impact and influence on the power grid, and negative influence is not generated on the original energy system in the access and use processes of the micro-grid system. The temperature field distribution of the battery in the energy storage device directly determines the energy output capability of the microgrid, so that the effective control of the temperature field of the microgrid energy storage device is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a digital controller device for microgrid is provided can effectively manage energy memory's temperature field, makes microgrid work in the optimal situation.
The utility model provides a technical scheme that its technical problem adopted is: the digital controller device for the micro-grid comprises a main controller, an energy storage device and a bidirectional inverter power supply device, wherein an alternating current end of the bidirectional inverter power supply device is connected with a fixed wire grid through a power supply bus bar, the main controller is respectively connected with the energy storage device and the bidirectional inverter power supply device through a CAN (controller area network) bus, and the main controller is also connected with a temperature transmitter and an energy storage device temperature control equipment management device through the CAN bus; the temperature transmitter is arranged in the space where the energy storage device is located and used for acquiring the temperature distribution of the space where the energy storage device is located; the energy storage device temperature control equipment management device is used for adjusting the temperature of the space where the energy storage device is located.
The energy storage device comprises a power lithium battery and a super capacitor.
The energy storage device is also connected with a battery management system, and the battery management system is connected with the main controller through a CAN bus.
The main controller is also connected with an automatic fire-fighting system through a CAN bus.
The main controller is also connected with a network interface device.
Advantageous effects
Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model discloses a set up temperature transmitter, can obtain the temperature distribution in energy memory place space, the actual temperature of each lithium cell position of reunion, can the temperature distribution in effective control energy memory place space to make energy memory remain to work under a better environment throughout, ensure that little electric wire netting can work in the optimal situation.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to a digital controller device for microgrid, as shown in figure 1, including main control unit, energy memory and two-way contravariant power supply unit, the alternating current end of two-way contravariant power supply unit links to each other with fixed gauze through the power bus bar, main control unit links to each other with energy memory and two-way contravariant power supply unit respectively through the CAN bus, main control unit still links to each other with temperature transmitter and energy memory temperature control equipment management device through the CAN bus; the temperature transmitter is arranged in the space where the energy storage device is located and used for acquiring the temperature distribution of the space where the energy storage device is located; the energy storage device temperature control equipment management device is used for adjusting the temperature of the space where the energy storage device is located.
The main controller is composed of a digital controller DSP + FPGA device and serves as a core essential element of the whole device. The main controller is connected with a computer through an operation interface, downloads data, activates operation, can set all required parameters in the controller in a setting stage, allocates ports of the main controller to be activated, selects a communication protocol for each port and sets a communication speed. In the initial stage of entering work, the main tasks are to complete the comprehensive layout, the planning of stack area and the determination of communication rate, and the planning of time sequence.
In the embodiment, the main controller is connected with each device through the CAN bus, the module-level data communication CAN be realized through the CAN bus, the CAN bus is used as a core data transmission pivot of the device, and all information data CAN be transmitted and controlled under the scheduling of the main controller.
The energy storage device in the embodiment is composed of a power lithium battery and a super capacitor, the capacity of the power lithium battery meets the electric energy requirement of the micro-grid system, and the super capacitor is responsible for instant heavy-load power supply so as to meet the power requirement. The voltage level of the energy storage device is 600VDC and 1000VDC, and the voltage and the capacity of the energy storage device can be flexibly configured according to the energy requirement of the microgrid system and can be added or reduced.
In this embodiment, the energy storage device is further connected with a battery management system, and the battery management system is connected with the main controller through a CAN bus. The battery management system is responsible for monitoring parameters of all power lithium battery monomers in the energy storage device, including electric quantity, current, temperature and the like, and transmitting the parameters to the main controller through the CAN bus. In addition, the battery management system manages the amount of energy transferred throughout the flow of energy, as determined by its original measured parameters.
Temperature transmitter in this embodiment is provided with a plurality ofly, and it distributes in each corner in energy memory place space, detects the temperature of each point in energy memory place space through a plurality of temperature transmitter, and each temperature transmitter can upload the real-time temperature that it detected to main control unit, and main control unit can obtain the temperature distribution in energy memory place space according to the temperature value received. The energy storage device temperature control equipment management device in the embodiment is used for adjusting the temperature of the space where the energy storage device is located, that is, the energy storage device temperature control equipment management device can adjust the temperature of the space where the energy storage device is located and the temperature of each lithium battery in the energy storage device, so that the temperature distribution of the space where the energy storage device is located is adjusted, and the temperature distribution of the space where the energy storage device is located can meet the optimal working condition. The temperature distribution corresponding to the optimal working condition can be obtained through experiments, and the temperature threshold range corresponding to the set point position of the temperature transmitter can be stored in a memory of the main controller after the temperature distribution is obtained. When the temperature of each point of the space where the energy storage device is located is obtained from the temperature transmitter by the main controller during control, the temperature of each point is compared with the temperature threshold range, and if the temperature is not within the threshold range, the temperature control equipment management device of the energy storage device is controlled, so that the temperature of the point is adjusted by the temperature control equipment management device of the energy storage device, and the purpose of adjusting the temperature distribution of the space where the energy storage device is located is achieved.
In this embodiment, the main controller is further connected with an automatic fire fighting system through a CAN bus. In the microgrid system, in order to the demand of the safeguard measure that the thermal runaway throughput of microgrid system proposed, through the extinguishing device who disposes and main control unit links to each other in this system, this extinguishing device is controlled by main control unit, main control unit can acquire the temperature distribution in energy storage device place space according to temperature transmitter, the temperature distribution of each point that obtains as main control unit all is higher than the temperature threshold value scope of settlement, and can't make temperature distribution when changing to the temperature distribution of best working condition through energy storage device temperature control equipment management device, main control unit can judge that energy storage device place space probably leads to the high temperature unable change because of catching fire this moment, main control unit sends the opening command to automatic fire extinguishing system, automatic fire extinguishing system receives after opening the command, open extinguishing device and realize putting out a fire.
The bidirectional inverter power supply device in the embodiment is used for completing inversion conversion of a power supply, and when the microgrid system device outputs energy, the bidirectional inverter power supply device converts direct-current electric energy in the energy storage device into alternating-current electric energy and feeds the alternating-current electric energy to a fixed-line power grid; when the micro-grid system device inputs energy, the bidirectional inverter power supply device converts alternating current electric energy of the fixed line power grid into direct current electric energy, and the direct current electric energy is fed to each lithium battery in the energy storage device.
When the bidirectional inverter power supply device is connected with a fixed-line power grid, the alternating current end of the bidirectional inverter power supply device is connected with the fixed-line power grid through the power supply bus bar, so that the micro-grid system is connected into the fixed-line power grid. The power supply busbar is a 380VAC power supply busbar. The energy of the micro-grid system device realizes the bidirectional flow of the energy through the power supply bus bar, and when the bidirectional inverter power supply device outputs, the energy is transmitted to the fixed line power grid by the micro-grid system; when the bidirectional inverter power supply device is used as input, the energy is transmitted to the microgrid system by the power grid.
The main controller is also connected with a network interface device which mainly has the following three functions: firstly, the function of short-distance wireless control operation is realized, WiFi information connection can be realized through the network interface device, and local wireless control is realized; secondly, data communication with a main control room of the fixed power grid is carried out, so that an access instruction of the microgrid system or parameter conditions given by the fixed power grid can be obtained; and thirdly, the microgrid system device is in communication link with a background management system, so that the microgrid system device can be used as an Internet terminal, all running information, battery parameter information and the like are used as transmitted data streams and are transmitted to a background server platform, and the background server completes management and control on the microgrid system device through an independent system platform.
Claims (5)
1. A digital controller device for a microgrid comprises a main controller, an energy storage device and a bidirectional inverter power supply device, and is characterized in that an alternating current end of the bidirectional inverter power supply device is connected with a fixed wire network through a power supply bus bar, the main controller is respectively connected with the energy storage device and the bidirectional inverter power supply device through a CAN bus, and the main controller is also connected with a temperature transmitter and an energy storage device temperature control equipment management device through the CAN bus; the temperature transmitter is arranged in the space where the energy storage device is located and used for acquiring the temperature distribution of the space where the energy storage device is located; the energy storage device temperature control equipment management device is used for adjusting the temperature of the space where the energy storage device is located.
2. The digital controller device for a microgrid according to claim 1, characterized in that said energy storage means comprise a power lithium battery and a super capacitor.
3. The digital controller device for a microgrid of claim 1, characterized in that a battery management system is further connected to the energy storage device, and the battery management system is connected with a main controller through a CAN bus.
4. The digital controller device for a microgrid of claim 1, wherein the master controller is further connected with an automatic fire fighting system through a CAN bus.
5. The digital controller device for a microgrid according to claim 1, characterized in that a network interface device is also connected to said master controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921517849.0U CN210640693U (en) | 2019-09-12 | 2019-09-12 | Digital controller device for micro-grid |
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| CN201921517849.0U CN210640693U (en) | 2019-09-12 | 2019-09-12 | Digital controller device for micro-grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635498A (en) * | 2019-09-12 | 2019-12-31 | 上海丰滋新能源船舶科技有限公司 | Digital controller device for micro-grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635498A (en) * | 2019-09-12 | 2019-12-31 | 上海丰滋新能源船舶科技有限公司 | Digital controller device for micro-grid |
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Effective date of registration: 20210514 Address after: 201800 1st floor, building 4, 358-368 Kefu Road, Jiading District, Shanghai Patentee after: Shanghai Ruirui New Energy Technology Co.,Ltd. Address before: 201812 Area C, 1st Building, No. 223 Jinyuan Third Road, Jiangqiao Town, Jiading District, Shanghai Patentee before: SHANGHAI FENGZI NEW ENERGY SHIP TECHNOLOGY Co.,Ltd. |
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