Collecting device for load data access

Abstract

The invention relates to the technical field of power system automation, and provides a collection device for load data access, comprising: a cabinet comprising a power supply module, a panel bus, a backboard bus and a panel signal indicating lamp, and the panel bus is connected with the panel signal indicating lamp; the main control module is used for controlling a panel signal indicating lamp through a panel bus; the data interface module is connected with the backboard bus; the main control module performs data communication and instruction interaction with the data interface module through a backboard bus, the data interface module is connected with the terminal device through wireless, RS232, RS485 or RJ45 to collect terminal data, and the data interface module communicates with an upper computer through wireless, RS232, RS485 or RJ45 to forward data. According to the invention, data can be collected in a traditional mode of serial ports and network ports, scattered terminal device data in an area range can also be collected in a wireless mode, and the collected data is forwarded to an upper computer in a wireless mode, a serial port or a network port.

Description

Technical Field

[0001] The invention relates to the technical field of power system automation, and in particular to a collection device for load data access. Background Art

[0002] With the development of virtual power plants, the demand for multi-terminal data collection of sources, networks, loads, and storage has become increasingly obvious. In application scenarios such as distributed photovoltaic power stations, wind farms, smart parks, energy storage power stations, and car charging piles, traditional data collection has distance limitations. The RS232 network transmission distance is within 15m, the RS485 network transmission distance is within 1200m, and the RJ45 Ethernet network transmission distance is within 100m. The collection devices are scattered and there are many models, which makes networking troublesome. Summary of the invention

[0003] The purpose of the present invention is to solve at least one technical problem in the background technology and provide a collection device for load data access.

[0004] To achieve the above object, the present invention provides a collection device for load data access, comprising:

[0005] The chassis includes a power module, a panel bus, a backplane bus, a panel signal indicator light, and the panel bus is connected to the panel signal indicator light;

[0006] The main control module controls the panel signal indicator lights through the panel bus;

[0007] Data interface module, connected to the backplane bus;

[0008] The main control module communicates data and exchanges commands with the data interface module through the backplane bus. The data interface module collects terminal data through wireless, RS232, RS485 or RJ45 connection with the terminal device. The data interface module communicates with the host computer through wireless, RS232, RS485 or RJ45 to forward data.

[0009] According to one aspect of the present invention, the main control module includes a microcontroller module, a network card module, a serial port module, a wireless module, a bus expansion module, a panel bus, a backplane bus and a synchronous clock module.

[0010] According to one aspect of the present invention, the data interface module includes a data access module, a data processing module and a data transfer module;

[0011] The data processing module is respectively connected to the data access module and the data transfer module for communication;

[0012] The data access module and the data transfer module include a network card module, a serial port module and a wireless module for communication.

[0013] According to one aspect of the present invention, the power module adopts an AC / DC 12V-220V adaptive power supply.

[0014] According to one aspect of the present invention, the wireless module includes one or more of a 5G module, a Lora module, a Wi-Fi module, a Bluetooth module, a NB-loT module, a NB-IoT narrowband Internet of Things, and a ZigBee module.

[0015] According to one aspect of the present invention, the number of the serial port modules is greater than or equal to 8, and the serial port modules are RS232 and / or RS485 interfaces.

[0016] According to one aspect of the present invention, the number of network ports of the network card module is greater than or equal to 6, and the network ports are 100M and / or 1000M network ports.

[0017] According to one aspect of the present invention, the panel signal indicator light comprises:

[0018] Operation indicator light: This light is always on after the device is powered on. If the device cannot work or some functions are missing due to hardware or software abnormalities, this light is always off.

[0019] Warning indicator light: This light is always on when the device has an abnormality due to hardware, software or configuration, and is always off when the device is operating normally. The warning indicator light will not be on when the device communication is interrupted or the synchronization is abnormal;

[0020] Power indicator light: the light is always on when the device is powered on, and always off when the power is off;

[0021] The abnormal timing indicator light is always on when the timing service status is abnormal, and always off when the timing is normal;

[0022] Link status indicator light, used to indicate the link status of the wireless, serial port, and network port of the modules included in the data interface module. The light is always on when there is a connection, and is always off when there is no connection;

[0023] The data status indicator light is used to indicate the data status of the wireless, serial port, and network port of the modules included in the data interface module. The light flashes when there is data, and the light is always off when there is no connection.

[0024] According to one aspect of the present invention, the microcontroller module cooperates with the serial port module to implement data collection and data forwarding including the modbus protocol and the CDT protocol through the RS232 and / or RS485 interface.

[0025] According to one aspect of the present invention, the microcontroller module cooperates with the wireless module to realize data relay or forwarding via wireless.

[0026] According to one aspect of the present invention, the microcontroller module cooperates with the network card module to realize data collection and data forwarding including but not limited to IEC5-103 and IEC61850 protocols through an RJ45 network cable.

[0027] According to the solution of the present invention, the collection device for load data access of the present invention is connected to the collection device through the data interface module, and receives the network data packet sent by the collection device for collecting data. The collection device for load data access unpacks the above network data packet through the data processing module and stores the data in the collection device database. The collection device for load data access repacks the data of multiple collection devices as required and forwards it to the host computer through the data interface module.

[0028] According to the solution of the present invention, the present invention can not only collect data through traditional methods such as serial ports and network ports, but also collect scattered terminal device data within the area through wireless methods, and forward the collected data to the host computer through wireless, serial ports or network ports.

[0029] According to the solution of the present invention, the present invention can accurately collect data from each link of "source, network, load, and storage", and the data collection process is not limited by distance, thereby ensuring smooth data transmission.

[0030] The method of the present invention can not only optimize the networking modes of substations, distributed photovoltaic power stations, wind farms, smart parks, energy storage power stations, and car charging piles, but also reduce the number of aggregation devices in the station, making operation and maintenance more convenient.

[0031] According to the solution of the present invention, the present invention optimizes the networking mode by adding wireless modules, reduces the number of aggregation devices in the station, and facilitates management and maintenance. The wireless module is suitable for a single device or a small number of devices in unattended or remote areas, where there is no wired network broadband but the data needs to be transmitted to the Internet. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A partial structural block diagram schematically showing a data interface module and a chassis of a collection device for load data access according to an embodiment of the present invention;

[0033] Figure 2 The structure block diagram schematically shows a main control module of a collection device for load data access according to an embodiment of the present invention. DETAILED DESCRIPTION

[0034] The present invention will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are only to enable those skilled in the art to better understand and thus implement the present invention, rather than implying any limitation on the scope of the present invention.

[0035] As used herein, the term “including” and variations thereof are to be interpreted as open-ended terms meaning “including, but not limited to.” The term “based on” is to be interpreted as “based, at least in part, on.” The terms “one embodiment” and “an embodiment” are to be interpreted as “at least one embodiment.”

[0036] Figure 1 A partial structural block diagram schematically showing a data interface module and a chassis of a collection device for load data access according to an embodiment of the present invention; Figure 2 The structure block diagram schematically shows a main control module of a collection device for load data access according to an embodiment of the present invention. Figure 1 and Figure 2 As shown, in this embodiment, the aggregation device for load data access includes:

[0037] The chassis includes a power module, a panel bus, a backplane bus, a panel signal indicator light 1, and the panel bus is connected to the panel signal indicator light;

[0038] The main control module controls the panel signal indicator lights through the panel bus;

[0039] Data interface module 2, connected to the backplane bus;

[0040] The main control module communicates data and exchanges commands with the data interface module through the backplane bus. The data interface module collects terminal data through wireless, RS232, RS485 or RJ45 connection with the terminal device. The data interface module communicates with the host computer through wireless, RS232, RS485 or RJ45 to forward data.

[0041] Further, according to an embodiment of the present invention, the chassis of the collection device is a metal shell.

[0042] Further, according to an embodiment of the present invention, the main control module includes a microcontroller module 3, a network card module 4, a serial port module 5, a wireless module 6, a bus extension module 7 and a synchronous clock module 8. The bus extension module 7 is electrically connected to the panel bus and the backplane bus.

[0043] Further, according to an embodiment of the present invention, the data interface module 2 includes a data access module 9, a data processing module 10 and a data transfer module 11;

[0044] The data processing module 10 is in communication connection with the data access module 9 and the data transfer module 11 respectively;

[0045] The data access module 9 and the data transfer module 11 include a network card module, a serial port module and a wireless module for communication.

[0046] Further, according to an embodiment of the present invention, the power module uses an AC / DC 12V-220V adaptive power supply. In this embodiment, the power module provides +5V, +3.3V, ±12V power supplies for the wireless module and the main control module.

[0047] Further, according to one embodiment of the present invention, the wireless module includes one or more of a 5G module, a Lora module, a Wi-Fi module, a Bluetooth module, a NB-loT module, a NB-IoT narrowband Internet of Things, and a ZigBee module.

[0048] Further, according to an embodiment of the present invention, the number of serial port modules is greater than or equal to 8, and the serial port modules are RS232 and / or RS485 interfaces.

[0049] Further, according to an embodiment of the present invention, the number of network ports of the network card module is greater than or equal to 6, and the network ports are 100M and / or 1000M network ports.

[0050] Further, according to an embodiment of the present invention, the panel signal indicator light 1 comprises:

[0051] Operation indicator light: This light is always on after the device is powered on. If the device cannot work or some functions are missing due to hardware or software abnormalities, this light is always off.

[0052] Warning indicator light: This light is always on when the device has an abnormality due to hardware, software or configuration, and is always off when the device is operating normally. The warning indicator light will not be on when the device communication is interrupted or the synchronization is abnormal;

[0053] Power indicator light: the light is always on when the device is powered on, and always off when the power is off;

[0054] The abnormal timing indicator light is always on when the timing service status is abnormal, and always off when the timing is normal;

[0055] Link status indicator light, used to indicate the link status of the wireless, serial port, and network port of the modules included in the data interface module. The light is always on when there is a connection, and is always off when there is no connection;

[0056] The data status indicator light is used to indicate the data status of the wireless, serial port, and network port of the modules included in the data interface module. The light flashes when there is data, and the light is always off when there is no connection.

[0057] In this embodiment, the operation indicator light is green, and the green light is always on when the device is operating normally;

[0058] The alarm indicator light is red, and the red light is always on when the device has an abnormality due to hardware, software or configuration;

[0059] The power indicator light is green, and the green light stays on after the device is powered on;

[0060] The abnormal timing indicator light is red, and the red light is always on when the timing service status is abnormal;

[0061] The link status indicator is green, and it stays green when there is a connection;

[0062] The data status indicator light is green and flashes once when there is data.

[0063] Further, according to an embodiment of the present invention, the microcontroller module cooperates with the serial port module to implement data collection and data forwarding including the modbus protocol and the CDT protocol through the RS232 and / or RS485 interface.

[0064] Furthermore, according to an embodiment of the present invention, the microcontroller module cooperates with the wireless module to realize data relay or forwarding via wireless.

[0065] Furthermore, according to an embodiment of the present invention, the microcontroller module cooperates with the network card module to realize data collection and data forwarding including but not limited to IEC5-103 and IEC61850 protocols through an RJ45 network cable.

[0066] In this embodiment, the collection device is required to meet the high temperature test, low temperature test, damp heat test, power supply impact test, insulation performance test, electromagnetic compatibility performance test, mechanical performance test, and continuous power-on test specified in GB / T 13729.

[0067] like Figure 1 As shown, in this embodiment, the collection device for load data access of the present invention is connected to the collection device through the data interface module 2, and receives the network data packet sent by the collection device for collecting data. The collection device for load data access unpacks the above network data packet through the data processing module and stores the data in the collection device database. The collection device for load data access repacks the data of multiple collection devices as required and forwards it to the host computer through the data interface module 2.

[0068] According to the above scheme of the present invention, the present invention can not only collect data through traditional methods such as serial ports and network ports, but also collect scattered terminal device data within the area through wireless methods, and forward the collected data to the host computer through wireless, serial ports or network ports.

[0069] According to the above scheme of the present invention, the present invention can accurately collect data from each link of "source, network, load, and storage", and the data collection process is not limited by distance, thereby ensuring smooth data transmission.

[0070] The method of the present invention can not only optimize the networking modes of substations, distributed photovoltaic power stations, wind farms, smart parks, energy storage power stations, and car charging piles, but also reduce the number of aggregation devices in the station, making operation and maintenance more convenient.

[0071] According to the above solution of the present invention, the present invention optimizes the networking mode by adding wireless modules, reduces the number of aggregation devices in the station, and facilitates management and maintenance. The wireless module is suitable for a single device or a small number of devices in unattended or remote areas, where there is no wired network broadband but the data needs to be transmitted to the Internet.

[0072] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A collection device for load data access, characterized in that: include: The chassis includes a power module, a panel bus, a backplane bus, a panel signal indicator light, and the panel bus is connected to the panel signal indicator light; The main control module controls the panel signal indicator lights through the panel bus; Data interface module, connected to the backplane bus; The main control module communicates data and exchanges commands with the data interface module through the backplane bus. The data interface module collects terminal data through wireless, RS232, RS485 or RJ45 connection with the terminal device. The data interface module communicates with the host computer through wireless, RS232, RS485 or RJ45 to forward data.

2. The aggregation device for load data access according to claim 1, characterized in that: The main control module includes a microcontroller module, a network card module, a serial port module, a wireless module, a bus extension module and a synchronous clock module.

3. The aggregation device for load data access according to claim 1, characterized in that: The data interface module includes a data access module, a data processing module and a data transfer module; The data processing module is respectively connected to the data access module and the data transfer module for communication; The data access module and the data transfer module include a network card module, a serial port module and a wireless module for communication.

4. The aggregation device for load data access according to claim 1, characterized in that: The power supply module adopts AC / DC 12V~220V adaptive power supply.

5. The aggregation device for load data access according to claim 2, characterized in that: The wireless module includes one or more of a 5G module, a Lora module, a Wi-Fi module, a Bluetooth module, a NB-loT module, a NB-IoT narrowband Internet of Things, and a ZigBee module.

6. The aggregation device for load data access according to claim 2, characterized in that: The number of the serial port modules is greater than or equal to 8, and the serial port modules are RS232 and / or RS485 interfaces.

7. The aggregation device for load data access according to claim 2, characterized in that: The number of network ports of the network card module is greater than or equal to 6, and the network ports are 100M and / or 1000M network ports.

8. The aggregation device for load data access according to claim 1, characterized in that: The panel signal indicator light includes: Operation indicator light: This light is always on after the device is powered on. If the device cannot work or some functions are missing due to hardware or software abnormalities, this light is always off. Warning indicator light: This light is always on when the device has an abnormality due to hardware, software or configuration, and is always off when the device is operating normally. The warning indicator light will not be on when the device communication is interrupted or the synchronization is abnormal; Power indicator light: the light is always on when the device is powered on, and always off when the power is off; The abnormal timing indicator light is always on when the timing service status is abnormal, and always off when the timing is normal; Link status indicator light, used to indicate the link status of the wireless, serial port, and network port of the modules included in the data interface module. The light is always on when there is a connection, and is always off when there is no connection; The data status indicator light is used to indicate the data status of the wireless, serial port, and network port of the modules included in the data interface module. The light flashes when there is data, and the light is always off when there is no connection.

9. The aggregation device for load data access according to claim 2, characterized in that: The microcontroller module cooperates with the serial port module to realize data collection and data forwarding including modbus protocol and CDT protocol through RS232 and / or RS485 interface.

10. The aggregation device for load data access according to claim 2, characterized in that: The microcontroller module cooperates with the wireless module to realize data relay or forwarding via wireless.

11. The aggregation device for load data access according to claim 2, characterized in that: The microcontroller module cooperates with the network card module to realize data collection and data forwarding including but not limited to IEC5-103 and IEC61850 protocols through the RJ45 network cable.

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