CN107611974A - Energy router - Google Patents

Abstract

The invention provides a kind of energy router, the energy router includes：Driver adaptation module, port module and CAN.The port module includes multiple first ports, and each first port is used for when being connected with energy device, the communication link and energy connecting link established between the energy device and the energy router；It is the corresponding driver of each first port adaptation that the driver adaptation module, which is used for according to species, model and the electric parameter of the energy device with each first port connection,.By setting unified energy device access interface, and the access interface according to corresponding to the species, model and electric parameter of energy device are is adapted to suitable driver by driver adaptation module, so as to reduce the complexity of access interface design, the versatility of access interface is improved.

Description

energy router

technical field

Embodiments of the present invention relate to the field of communication technology and the field of power transmission technology, and more specifically, to an energy router.

Background technique

Energy Internet can be understood as the comprehensive use of advanced power electronics technology, information technology and intelligent management technology to integrate a large number of new power networks, oil networks and natural gas networks composed of distributed energy collection devices, distributed energy storage devices and various types of loads. And other energy nodes are interconnected to realize the energy peer-to-peer exchange and sharing network of energy two-way flow.

As the backbone equipment of the Energy Internet, the energy router has various important functions such as energy access, transmission, conversion, and routing, as well as energy operation and management functions for the micro-grid under its jurisdiction. It is the most important information and energy infrastructure in the Energy Internet. . Its efficient operation will provide a basic guarantee for the equivalence, sharing, openness, and interconnection of energy and information in the Energy Internet.

In order to improve the flexibility and openness of energy supply, the operation of the Energy Internet needs to access different types and specifications of distributed renewable energy production (or storage) equipment, such as wind power, photovoltaics, and energy storage. They have their own different energy production characteristics and require suitable drivers according to their specific operating characteristics. For example, wind power will generate alternating current, and its power generation power needs to be determined according to the wind speed; photovoltaic power generation will generate direct current, and its power generation capacity needs to be determined according to lighting conditions. At present, in order to adapt to the access of various types and specifications of distributed renewable energy equipment to the Energy Internet, it is necessary to set up dedicated access ports for different energy equipment and configure dedicated drivers.

However, there are many types of existing distributed energy equipment, and the same type of energy equipment has multiple specifications. It is often necessary to configure multiple access ports in existing energy routers, and provide corresponding drivers for the access ports. This increases the complexity of hardware interface design and limits the compatibility of energy routers.

Contents of the invention

Embodiments of the present invention provide an energy router that overcomes the above problems or at least partially solves the above problems.

An embodiment of the present invention provides an energy router. The energy router includes: a driver adaptation module, a port module, and a CAN bus, and the driver adaptation module and the port module are respectively connected to the CAN bus; wherein ,

The port module includes a plurality of first ports, and each first port in the plurality of first ports is used to establish a communication link between the energy device and the energy router when connected to the energy device road and energy connection links;

The driver adaptation module is configured to adapt a corresponding driver for each first port according to the type, model and electrical parameters of the energy device connected to each first port.

Wherein, the driver adaptation module includes a driver library and a main program control platform, and the driver library and the main program control platform are respectively connected to the CAN bus; wherein,

The driver library is used to store various preset drivers;

The main program control platform is used to obtain the type, model and electrical parameters of the energy equipment connected to each first port through each first port, and according to the type, model and electrical parameters of the energy equipment The electrical parameter is adapted to a corresponding driver for each of the first ports in the driver library.

Wherein, the main program control platform is also connected to the remote control center, and is used for displaying the operation state of the energy router in the remote control center in real time.

Wherein, the main program control platform is connected with the remote control center through the HMI interface.

Wherein, the main program control platform is also used to acquire drivers not stored in the driver library from the remote control center.

Wherein, the port module further includes a second port, and the second port is used for establishing an energy connection link between the distribution network and the energy router when connected to the distribution network.

Wherein, the energy router further includes an AC-DC conversion module, the AC-DC conversion module is respectively connected to the plurality of first ports and the second port, and the AC-DC conversion module is used to connect The transmitted electric energy is converted into AC and DC.

Wherein, the AC-DC conversion module includes: a plurality of first AC-DC conversion modules, a bus bar and a second AC-DC conversion module; wherein, the plurality of first AC-DC conversion modules and the plurality of first ports are one by one Correspondingly set, each of the first AC-DC conversion modules among the plurality of first AC-DC conversion modules is respectively connected to the corresponding first port and the bus bar, and the second AC-DC conversion module is respectively connected to the bus bar Connect to the second port.

Wherein, the plurality of first AC-DC conversion modules and the second AC-DC conversion module are respectively connected to the CAN bus.

Wherein, the energy router further includes a supercapacitor module, and the supercapacitor module is connected to any one of the first ports.

An energy router provided by an embodiment of the present invention sets a unified energy device access port, and after the energy device is connected, the driver adaptation module provides the corresponding access port according to the type, model and electrical parameters of the energy device. The port is adapted to a suitable driver, thereby reducing the complexity of the access port design and improving the universality of the access port.

Description of drawings

FIG. 1 is a structural block diagram of an energy router provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an energy router provided by an embodiment of the present invention;

FIG. 3 is a schematic diagram of the overall software architecture of the driver adaptation module in the embodiment of the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In traditional energy routers, access ports corresponding to specific types of energy equipment with specific specifications are generally set. A specific access port, and the access port must be pre-configured with a specific driver to realize the control of the energy device, and finally realize the connection of the energy device to the energy Internet. In order to solve the problem of complex interface design and poor versatility when using traditional connectable routers, the technical solution adopted in the embodiment of the present invention is: all ports used to access energy devices adopt the same Finally, by obtaining the type, model and electrical parameters of the energy equipment connected to each access port, an appropriate driver is adapted for the corresponding access port, and then the energy equipment is connected to the energy Internet.

Fig. 1 is a structural block diagram of an energy router provided by an embodiment of the present invention. As shown in Fig. 1, the energy router includes: a driver adaptation module 1, a port module 2 and a CAN bus 3, and the driver adaptation module The module 1 and the port module 2 are respectively connected to the CAN bus 3 . in:

The port module 2 includes a plurality of first ports, and each first port in the plurality of first ports is used to establish communication between the energy device and the energy router when connected to the energy device Links and Energy Connection Links. The driver adaptation module 1 is configured to adapt a corresponding driver for each first port according to the type, model and electrical parameters of the energy device connected to each first port.

Wherein, the plurality of first ports in the port module 2 are access ports for connecting to energy devices, and the number of first ports can be set according to requirements. Each first port can communicate with the driver adaptation module 1 through the CAN bus 3, when the energy device is connected to the energy router through the first port, the energy production device can communicate with the energy router The link communicates with the driver adaptation module via the CAN bus 3, and at the same time, the energy production equipment can also exchange energy with the energy Internet through the energy connection link with the energy router. The energy equipment includes energy production equipment or energy consumption equipment, which can be wind power generation equipment, photovoltaic power generation equipment or energy storage equipment, etc. The electrical parameters of the energy equipment include active power, reactive power, voltage, current, equivalent impedance , equivalent admittance and power factor etc. one or more.

Specifically, when an energy device is connected to the energy router through a first port of the port module 2, the driver adaptation module 1 obtains the type, model and electrical parameters of the energy device through communication with the energy device, and According to the type, model and electrical parameters of the energy device, the first port corresponding to the energy device is adapted with a corresponding driver, and the driver is downloaded to the first port corresponding to the energy device via the CAN bus 3 . Finally, the driver adaptation module 1 realizes the management and operation of the energy device based on the driver.

For example, optimize the control of the speed and start-stop of the AC motor, while ensuring the continuous and stable power supply curve, and realize the matching with the electricity demand; according to the maximum photovoltaic power generation power criterion, determine the voltage and current of the photovoltaic power generation equipment, and change the sunlight exposure According to the type of wind power generator, such as direct-drive wind power generation or double-fed wind power generation equipment, select the appropriate power generation control program; through the joint scheduling and control of various types of energy production equipment, on the basis of ensuring the balance of supply and demand, Minimize the cost of power energy production and improve energy production efficiency.

An energy router provided by an embodiment of the present invention sets a unified energy device access port, and after the energy device is connected, the driver adaptation module provides the corresponding access port according to the type, model and electrical parameters of the energy device. The port is adapted to a suitable driver, thereby reducing the complexity of the access port design and improving the universality of the access port.

Based on the above embodiment, as shown in FIG. 2 , the driver adaptation module includes a driver library and a main program control platform, and the driver library and the main program control platform are respectively connected to the CAN bus. in:

The driver library is used to store various preset drivers. The main program control platform is used to obtain the type, model and electrical parameters of the energy equipment connected to each first port through each first port, and according to the type, model and electrical parameters of the energy equipment A corresponding driver is adapted for each first port in the driver library.

Among them, Fig. 3 is the overall software architecture of the driver adaptation module, as shown in Fig. 3, the device parameters mentioned in the figure are the type, model and electrical parameters of the energy device. The preset drivers stored in the driver library include drivers corresponding to various specifications of commonly used energy devices. The main program control module communicates with the information storage module of the energy equipment to obtain the type, model and electrical parameters of the energy equipment.

Specifically, after the main program control platform obtains the type, model and electrical parameters of the energy equipment, it adapts the appropriate driver program in the driver program library according to these parameters, and then downloads the adapted driver program to the The first port corresponding to the energy device, and finally, the main program control platform realizes the management and operation of the energy device based on the driver program. Set up the driver program library and store the preset driver program in the driver program library. After the first port is connected to the energy device, a suitable driver program can be quickly adapted for the first port, which can ensure the instant connection of the energy device on the energy router. Plug and play.

Based on the above-mentioned embodiment, as shown in FIG. 2 , the main program control platform is also connected to a remote control center for displaying the running status of the energy router in the remote control center in real time.

Further, the main program control platform is connected with the remote control center through an HMI interface.

Specifically, the main program control platform is connected to the remote control center through an HMI (Human Machine Interface, human-machine interface), and the operator in the remote control center can observe the operating status of the energy router in real time through devices such as a display, and then Ensure that the operational status of the Energy Internet is monitored.

Based on the above-mentioned embodiment, the main program control platform is further configured to acquire drivers not stored in the driver library from the remote control center.

Specifically, when no suitable driver is adapted in the driver storage library, the main program control platform will obtain the corresponding driver from the remote control center. In this way, the versatility of the energy router provided by the embodiment of the present invention can be further improved.

Based on the above embodiment, as shown in FIG. 2, the port module further includes a second port, and the second port is used to establish a connection between the distribution network and the energy router when connected to the distribution network. Energy connection link.

Based on the above embodiment, as shown in FIG. 2, the energy router further includes an AC-DC conversion module, the AC-DC conversion module is respectively connected to the plurality of first ports and the second port, and the AC-DC conversion module The module is used for performing AC-DC conversion on the electric energy transmitted through the energy router.

Further, after the AC-DC conversion module performs AC-DC conversion on the electric energy, the energy router transmits the converted electric energy to the distribution network or energy consumption equipment. The electric energy before conversion may come from the distribution network or energy production equipment, and the direction of electric energy transmission is determined according to the actual demand.

Based on the above embodiment, as shown in FIG. 2, the AC-DC conversion module includes: a plurality of first AC-DC conversion modules, a bus bar and a second AC-DC conversion module; wherein, the plurality of first AC-DC conversion modules and The plurality of first ports are set in one-to-one correspondence, and each first AC-DC conversion module in the plurality of first AC-DC conversion modules is respectively connected to the corresponding first port and the bus bar, and the second The AC-DC conversion module is respectively connected to the bus bar and the second port.

Wherein, the busbar may be an AC busbar or a DC busbar, and in actual implementation, the type of busbar may be selected according to the configuration with the Energy Internet.

Further, the plurality of first AC-DC conversion modules and the second AC-DC conversion module are respectively connected to the CAN bus.

Specifically, after the main program control platform is adapted to a suitable driver program for the first port, based on the driver program, the power of the energy device connected to the first port is processed, and the specific processing process includes The AC-DC conversion module is controlled by the CAN bus to perform AC-DC conversion on the electric energy of the energy equipment.

Based on the above embodiment, the energy router further includes a supercapacitor module, and the supercapacitor module is connected to any one of the first ports.

Supercapacitor has the characteristics of fast charging and discharging speed and high charging and discharging energy density. It can quickly absorb or release excess or insufficient energy in the energy router, avoid and suppress voltage and current fluctuations, and play a role in maintaining the stability of the energy router and even the local network. major role. Compared with traditional energy storage devices, supercapacitors used in energy routers are more economical.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. An energy router, characterized in that the energy router comprises: the device comprises a driver adaptation module, a port module and a CAN bus, wherein the driver adaptation module and the port module are respectively connected with the CAN bus; wherein,

the port module comprises a plurality of first ports, each first port of the plurality of first ports is used for establishing a communication link between the energy source device and the energy router and an energy source connection link when being connected with the energy source device;

the driver adaptation module is used for adapting the corresponding driver for each first port according to the type, model and electrical parameters of the energy equipment connected with each first port.

2. The energy router of claim 1, wherein the driver adaptation module comprises a driver library and a main program control platform, the driver library and the main program control platform being respectively connected to the CAN bus; wherein,

the driver library is used for storing a plurality of preset drivers;

the main program control platform is used for acquiring the type, model and electrical parameters of the energy equipment connected with each first port through each first port, and adapting a corresponding driving program for each first port in the driving program library according to the type, model and electrical parameters of the energy equipment.

3. The energy router of claim 2, wherein the main program control platform is further connected to a remote control center for displaying the running state of the energy router in real time at the remote control center.

4. The energy router of claim 3, wherein the main program control platform is connected to the remote control center through an HMI interface.

5. The energy router of claim 3, wherein the main program control platform is further configured to obtain drivers not stored in the driver library from the remote control center.

6. The energy router of claim 2, wherein the port module further comprises a second port for establishing an energy connection link between the power distribution network and the energy router when connected to the power distribution network.

7. The energy router of claim 6, further comprising an ac-dc conversion module, the ac-dc conversion module being connected to the plurality of first ports and the second port, respectively, the ac-dc conversion module being configured to ac-dc convert the electric energy transmitted by the energy router.

8. The energy router of claim 7, wherein the AC-DC conversion module comprises: the system comprises a plurality of first alternating current-direct current conversion modules, a bus and a second alternating current-direct current conversion module; the plurality of first alternating current-direct current conversion modules and the plurality of first ports are arranged in a one-to-one correspondence mode, each first alternating current-direct current conversion module in the plurality of first alternating current-direct current conversion modules is connected with the corresponding first port and the bus respectively, and the second alternating current-direct current conversion module is connected with the bus and the second port respectively.

9. The energy router of claim 8, wherein the first plurality of ac-to-dc conversion modules and the second plurality of ac-to-dc conversion modules are each connected to the CAN bus.

10. The energy router of claim 2, further comprising a super capacitor module, the super capacitor module coupled to any of the first ports.