CN215219494U - Comprehensive monitoring system of marine lithium battery pack - Google Patents
Comprehensive monitoring system of marine lithium battery pack Download PDFInfo
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- CN215219494U CN215219494U CN202121454849.8U CN202121454849U CN215219494U CN 215219494 U CN215219494 U CN 215219494U CN 202121454849 U CN202121454849 U CN 202121454849U CN 215219494 U CN215219494 U CN 215219494U
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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 comprehensive monitoring system of marine lithium cell group, including a plurality of lithium cell groups, many sets of battery management system, CAN bus network, PLC module and host computer touch-sensitive screen, each set of battery management system corresponds connects a lithium cell group to gather the data of lithium cell group, host computer touch-sensitive screen is connected to the PLC module, and all battery management systems all pass through CAN bus network connection PLC module, and the data transmission who will gather handles for the PLC module, then sends to the host computer touch-sensitive screen and concentrates the demonstration. The system is simple in structure, easy to operate and convenient and fast to use.
Description
Technical Field
The utility model relates to a comprehensive monitoring system of marine lithium cell group.
Background
By means of the obvious advantages of long cycle life, high working voltage, large energy density, low self-discharge rate, no memory effect and the like, the lithium battery is most widely used in the field of new energy at present. However, in the use process of the lithium battery, a multi-battery-pack combined power supply architecture often appears, and at this time, the basic parameters of the lithium battery pack are checked through the display screen provided by the battery management system in a step-by-step grouping manner, which is relatively troublesome in operation and relatively low in efficiency in practice.
Disclosure of Invention
An object of the utility model is to provide a comprehensive monitoring system of marine lithium cell group, this system simple structure, easily operation, it is convenient to use.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a comprehensive monitoring system of marine lithium cell group, includes a plurality of lithium cell groups, many sets of battery management system, CAN bus network, PLC module and host computer touch-sensitive screen, and each set of battery management system corresponds connects a lithium cell group to gather the data of lithium cell group, host computer touch-sensitive screen is connected to the PLC module, and all battery management systems all pass through CAN bus network connection PLC module, and the data transmission who will gather is handled for the PLC module, then sends to the host computer touch-sensitive screen and concentrates the demonstration.
Furthermore, the lithium battery pack is composed of a plurality of battery cells connected in series or in parallel, the battery management system mainly comprises a master control module and a slave control module, the slave control module is connected with the master control module through a CAN bus, the slave control module collects data of the battery cells and sends the data to the master control module through the CAN bus, and the data are sent to the PLC module through an external CAN bus network after being processed.
Further, the PLC module adopts an AC500 series PLC controller.
Further, the model of the PLC controller is PM 564-TP-ETH.
Furthermore, the PLC module is provided with an RJ45 interface for TCP/IP communication, and is connected with and communicates with the upper computer touch screen through a network cable based on TCP/IP communication so as to transmit the collected and processed data to the upper computer touch screen for visual display.
Furthermore, the CAN bus network comprises a CAN/RS485 protocol conversion module, CAN buses connected with each set of battery management system are connected to the CAN/RS485 protocol conversion module, an RS485 interface is arranged on the PLC module, and the CAN bus network is connected with the RS485 interface of the PLC module through the CAN/RS485 protocol conversion module.
Furthermore, the PLC module, the upper computer touch screen and the CAN/RS485 protocol conversion module are all powered by a 24V power supply.
Compared with the prior art, the utility model discloses following beneficial effect has: the comprehensive monitoring system for the marine lithium battery pack is reasonable in design, simple in structure, capable of performing centralized monitoring on collected lithium battery pack data, easy to operate and beneficial to quickly and conveniently checking working parameters and states of the marine lithium battery pack.
Drawings
Fig. 1 is a system architecture diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a battery management system according to an embodiment of the present invention.
Fig. 3 is a diagram of the PLC module architecture in an embodiment of the present invention.
Fig. 4 is an electrical schematic diagram of a system according to an embodiment of the present invention.
Fig. 5 is a schematic view of a system monitoring interface according to an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1, this embodiment provides a comprehensive monitoring system of marine lithium cell group, including a plurality of lithium cell groups, many sets of battery management systems (BMS for short hereafter), CAN bus network, PLC module and host computer touch-sensitive screen, each set of BMS corresponds and connects a lithium cell group to gather the data of lithium cell group, the host computer touch-sensitive screen is connected to the PLC module, and all BMSs all pass through CAN bus network connection PLC module, in order to handle the data transmission who gathers for the PLC module, then send to the host computer touch-sensitive screen and concentrate the demonstration.
As shown in fig. 2, the lithium battery pack is formed by connecting a plurality of battery cells in series or in parallel, the BMS is used as a core acquisition module of a battery data bottom layer, and mainly comprises a master control module and a slave control module, the slave control module is connected with the master control module through a CAN bus, the slave control module acquires data of the battery cells and sends the data to the master control module through the CAN bus, and the data is sent to the PLC module through an external CAN bus network after being processed.
Preferably, the PLC module adopts an AC500 series PLC controller. In the embodiment, the specific model of the PLC controller is PM 564-TP-ETH.
As shown in fig. 3, in order to implement visual display, an RJ45 interface for TCP/IP communication is provided on the PLC module, and the PLC module is connected to and communicates with the upper computer touch screen through a network cable based on TCP/IP communication, so as to transmit the collected and processed data to the upper computer touch screen for visual display. The CAN bus network comprises a CAN/RS485 protocol conversion module, CAN buses connected with each set of BMS are connected to the CAN/RS485 protocol conversion module, the PLC module is provided with an RS485 interface, and the CAN bus network is connected with the RS485 interface of the PLC module through the CAN/RS485 protocol conversion module.
As shown in FIG. 4, the PLC module, the upper computer touch screen and the CAN/RS485 protocol conversion module are all powered by a 24V power supply.
The working principle of the system is as follows: the system is powered on and operated, a slave control module of the battery management system collects data of the lithium battery pack and stores the data into a corresponding register, and then the data are sent to a master control module to calculate the state of the battery pack, wherein the state comprises parameters such as total voltage, maximum voltage of a single body, minimum voltage of the single body, maximum temperature of the single body, minimum temperature of the single body, fault level and the like, and then the parameters are sent to a communication bus through a CAN (controller area network) protocol; each set of battery management system sends the battery state data to the communication bus in order according to the agreed protocol; and the PLC module scans the CAN bus at regular time after being started successfully, reads data of each group according to a communication protocol, converts the data into a TCP/IP protocol after being processed by the CPU module so as to realize high-speed data exchange with the upper computer touch screen.
A user of the system can conveniently check the running state of each battery pack on the touch screen in real time through the monitoring interface shown in figure 5, and the navigation safety of the ship is ensured.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a comprehensive monitoring system of marine lithium cell group, its characterized in that, includes a plurality of lithium cell groups, many sets of battery management system, CAN bus network, PLC module and host computer touch-sensitive screen, and each set of battery management system corresponds connects a lithium cell group to gather the data of lithium cell group, host computer touch-sensitive screen is connected to the PLC module, and all battery management systems all pass through CAN bus network connection PLC module, and the data transmission who will gather is handled for the PLC module, then sends to the host computer touch-sensitive screen and concentrates the demonstration.
2. The comprehensive monitoring system of a marine lithium battery pack according to claim 1, wherein the lithium battery pack is composed of a plurality of battery cells connected in series or in parallel, the battery management system is mainly composed of a master control module and a slave control module, the slave control module is connected with the master control module through a CAN bus, the slave control module collects data of the battery cells and sends the data to the master control module through the CAN bus, and the data is sent to the PLC module through an external CAN bus network after being processed.
3. The comprehensive monitoring system of the marine lithium battery pack is characterized in that the PLC module adopts an AC500 series PLC controller.
4. The comprehensive monitoring system of the marine lithium battery pack is characterized in that the model number of the PLC is PM 564-TP-ETH.
5. The comprehensive monitoring system of the marine lithium battery pack as claimed in claim 1, wherein the PLC module is provided with an RJ45 interface for TCP/IP communication, and is connected to and communicates with the upper computer touch screen through a network cable based on TCP/IP communication, so as to transmit the collected and processed data to the upper computer touch screen for visual display.
6. The comprehensive monitoring system of the marine lithium battery pack as claimed in claim 1, wherein the CAN bus network comprises a CAN/RS485 protocol conversion module, the CAN bus connecting each set of battery management system is connected to the CAN/RS485 protocol conversion module, the PLC module is provided with an RS485 interface, and the CAN bus network is connected to the RS485 interface of the PLC module through the CAN/RS485 protocol conversion module.
7. The comprehensive monitoring system of the marine lithium battery pack as claimed in claim 6, wherein the PLC module, the upper computer touch screen and the CAN/RS485 protocol conversion module are all powered by a 24V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121454849.8U CN215219494U (en) | 2021-06-29 | 2021-06-29 | Comprehensive monitoring system of marine lithium battery pack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121454849.8U CN215219494U (en) | 2021-06-29 | 2021-06-29 | Comprehensive monitoring system of marine lithium battery pack |
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| CN215219494U true CN215219494U (en) | 2021-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117032066A (en) * | 2023-10-09 | 2023-11-10 | 成都特隆美储能技术有限公司 | PLC control method of mobile energy storage system |
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2021
- 2021-06-29 CN CN202121454849.8U patent/CN215219494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117032066A (en) * | 2023-10-09 | 2023-11-10 | 成都特隆美储能技术有限公司 | PLC control method of mobile energy storage system |
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