Protocol converter suitable for various distributed power supply scenes

Abstract

The utility model belongs to the technical field of communication protocol conversion, and particularly relates to a protocol converter suitable for various distributed power supply scenes, which comprises a power supply electricity taking terminal, at least two paths of RS485 communication terminals, two paths of CAN communication terminals, at least two paths of remote signaling terminals, one path of expansion interface terminal, one path of communication port terminal and at least one path of hard contact output terminal, and a housing for accommodating the internal components; a power panel, a main control board, a communication board and a carrier communication module are fixed in the shell; the power supply board is provided with a voltage conversion circuit, the main control board is provided with a main control chip, a real-time clock, a Bluetooth module, a storage chip, an indicating lamp circuit and a key circuit, and the communication board is provided with a plurality of RS485 communication circuits, two CAN communication circuits, two remote signaling circuits and an expansion interface communication circuit. Through electrical connection of the multiple communication interfaces and the main control chip, the system can be applied to a distributed photovoltaic power generation system, a distributed storage system and a distributed charging pile system.

Description

Technical Field

[0001] This utility model belongs to the field of communication protocol conversion technology, specifically relating to a protocol converter suitable for various distributed power supply scenarios. Background Technology

[0002] Currently, there are many protocol converters on the market. However, these converters are generally designed separately for various power application scenarios. For example, a photovoltaic power generation protocol converter is designed for photovoltaic power generation systems, an energy storage protocol converter is designed for energy storage systems, and a charging pile protocol converter is designed for charging pile systems, and so on. In other words, multiple different protocol converters need to be purchased separately for different power application scenarios, such as photovoltaic power generation systems, energy storage systems, and charging pile systems. Utility Model Content

[0003] The purpose of this invention is to provide a protocol converter applicable to various distributed power supply scenarios, thereby solving the problem that existing protocol converters in the background art need to be designed separately for different distributed power supply scenarios and cannot be used interchangeably.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A protocol converter suitable for various distributed power supply scenarios includes a power supply terminal, at least two RS485 communication terminals, two CAN communication terminals, at least two remote signaling terminals, one expansion interface terminal, one communication port terminal, at least one hard contact output terminal, and a housing for accommodating internal components.

[0006] The power board, main control board, communication board and carrier communication module are fixed inside the housing;

[0007] The power supply board is equipped with a voltage conversion circuit, the main control board is equipped with a main control chip, a real-time clock, a Bluetooth module, a storage chip, an indicator light circuit and a button circuit, the button circuit includes a switching button, and the communication board is equipped with multiple RS485 communication circuits, two CAN communication circuits, two remote signaling circuits and one expansion interface communication circuit.

[0008] One end of the power supply terminal is used to connect to an external AC power source, and the other end is electrically connected to the voltage conversion circuit, which supplies power to the various electrical components of the protocol converter.

[0009] The real-time clock, Bluetooth module, storage chip, indicator light circuit, and button circuit are all electrically connected to the main control chip.

[0010] The RS485 communication terminal and the communication port terminal are electrically connected to the main control chip through corresponding RS485 communication circuits.

[0011] The CAN communication terminal is electrically connected to the main control chip through a CAN communication circuit;

[0012] The remote signaling terminal is electrically connected to the main control chip via a remote signaling circuit;

[0013] The expansion interface terminal is electrically connected to the main control chip through the expansion interface communication circuit;

[0014] Both the hard-contact output terminal and the carrier communication module are electrically connected to the main control chip.

[0015] Preferably, it also includes a face cover and a panel, the face cover is provided on the front of the housing, the panel is fixed on the front side of the housing, and the indicator lights in the indicator light circuit and the switching buttons in the button circuit are both embedded in the panel.

[0016] Preferably, the front left side of the housing is covered by the face cover, and the front right side of the housing is fixed with the panel, and the indicator lights and switching buttons on the panel are arranged vertically from top to bottom.

[0017] Preferably, the top end of the face cover is hinged to the top end of the outer shell, and the bottom end of the face cover is snapped to the bottom end of the outer shell.

[0018] Preferably, the bottom end of the cover is fixed with a cover buckle, and the bottom end of the outer shell is provided with a cover buckle groove that cooperates with the cover buckle. The cover buckle is engaged in the cover buckle groove to realize the fastening between the cover and the outer shell. The edge of the cover buckle is provided with a pressing and tossing piece for manual pressing and tossing.

[0019] Preferably, the outer shell includes a front shell and a rear shell; the side walls of the front shell are fixed with shell buckles at the rear position, and the side walls of the rear shell are provided with shell slots corresponding to the shell buckles at the front position; the shell buckles are engaged in the corresponding shell slots, so that the front shell and the rear shell are engaged.

[0020] Preferably, the power board, communication board, main control board and carrier communication module inside the housing are arranged sequentially from back to front along the front-back direction of the housing.

[0021] Preferably, the top of the housing is fixed with a hanging mounting port for suspension installation; the protocol converter is hung on an external fastener through the hanging mounting port.

[0022] Preferably, the back of the housing is provided with a U-shaped guide rail bayonet for mounting guide rails.

[0023] Preferably, the expansion interface terminal has 8 ports; ports 1 and 2 of the expansion interface terminal are used to connect to the inverter, ports 3 and 4 are used to connect to the inverter communication rod that is matched with the inverter, ports 5 and 6 are used for grounding, and ports 7 and 8 are used to connect to voltage.

[0024] The beneficial effects of this utility model are as follows:

[0025] The protocol converter in this utility model is electrically connected to the main control chip through multiple communication interfaces. It can be applied to distributed photovoltaic power generation systems, distributed storage systems, and distributed charging pile systems. It has a wide range of applications and is suitable for the access, acceptance, and operation of newly built or renovated / expanded distributed photovoltaic systems, energy storage systems, and charging pile systems connected to the grid at 220V / 380V voltage levels.

[0026] The voltage conversion circuit provides stable power to all electrical components of the protocol converter. The real-time clock, Bluetooth module, storage chip and main control chip work together to ensure data time consistency, convenient remote or local time synchronization and data storage reliability. The carrier communication module can realize bidirectional data interaction with the smart distribution terminal, manage various distributed power supply scenarios, and ensure stable and efficient system operation.

[0027] The front cover protects the internal components of the housing, reducing the impact of dust and minor collisions and improving the equipment's environmental adaptability. The panel centrally integrates indicator lights and switching buttons, combining equipment status display and operation control functions in one area. This allows for observation of operating status and execution of maintenance mode initiation or reset operations without disassembling the equipment, simplifying the equipment maintenance process. The hinged structure at the top of the front cover prevents it from falling off during opening and closing, and the opening and closing position is controllable. The snap-fit ​​structure at the bottom ensures that the front cover fits tightly against the housing when not in operation, protecting the internal components while facilitating quick opening and closing of the front cover when internal components need to be inspected.

[0028] The U-shaped guide rail type bayonet is compatible with the universal 35mm wide standard U-shaped guide rail, and can be installed together with equipment such as electricity meters and circuit breakers on the standard metering box guide rail, so as to realize the centralized layout of equipment and reduce the mess of wiring;

[0029] Different function indicator lights use different colors to facilitate quick differentiation of the current operating status of the equipment and improve the efficiency of fault diagnosis and status identification. Attached Figure Description

[0030] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0031] Figure 1 This is a front view of a protocol converter applicable to various distributed power supply scenarios, according to Embodiment 1 of this utility model.

[0032] Figure 2 This is a side view of a protocol converter applicable to various distributed power supply scenarios, according to Embodiment 1 of this utility model.

[0033] Figure 3 This is a bottom view of a protocol converter applicable to various distributed power supply scenarios, according to Embodiment 1 of this utility model.

[0034] Figure 4 This is a schematic diagram of the structure of an expansion interface terminal of a protocol converter applicable to various distributed power supply scenarios, according to Embodiment 1 of this utility model.

[0035] Figure 5 This is an electrical connection diagram of a protocol converter applicable to various distributed power supply scenarios, as shown in Embodiment 1 of this utility model.

[0036] The components include: 1. Outer shell; 101. Front shell; 111. Shell latch; 102. Rear shell; 121. Shell slot; 2. Cover; 201. Cover latch; 202. Press-to-open piece; 3. Panel; 4. Power supply terminal; 5. RS485 communication terminal; 6. CAN communication terminal; 7. Remote signaling terminal; 8. Expansion interface terminal; 9. Communication port terminal; 10. Hard contact output terminal; 11. Cover slot; 12. Voltage conversion circuit; 13. Main control chip; 14. Real-time clock. 15. Bluetooth module; 16. Storage chip; 17. Indicator light circuit; 171. Power indicator light; 172. Run indicator light; 173. Upward indicator light; 174. Downward indicator light; 175. Maintenance indicator light; 18. Button circuit; 181. Switch button; 19. RS485 communication circuit; 20. CAN communication circuit; 23. Remote signaling circuit; 24. Expansion interface communication circuit; 25. Carrier communication module; 26. Suspension mounting port; 27. U-shaped guide rail bayonet. Detailed Implementation

[0037] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0038] The following detailed description is exemplary and intended to provide further detailed explanation of the present invention. Unless otherwise specified, all technical terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention.

[0039] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0040] Example 1

[0041] like Figures 1-5 As shown, a protocol converter suitable for various distributed power supply scenarios includes a housing 1 and a cover 2. The cover 2 is located on the left side of the front of the housing 1. The top of the cover 2 is hinged to the top of the housing 1, and the bottom of the cover 2 is fastened to the bottom of the housing 1. Specifically, a cover latch 201 is fixed to the bottom of the cover 2, and a cover latch groove 11 is provided at the bottom of the housing 1 to cooperate with the cover latch 201. The cover latch 201 is engaged in the cover latch groove 11 to achieve the fastening between the cover 2 and the housing 1. The edge of the cover latch 201 is integrally formed with a pressing and actuating piece 202 for manual pressing and tossing. Pressing down on the pressing and actuating piece 202 causes the cover latch 201 to engage in the cover latch groove 11, so that the cover 2 and the housing 1 are closed; tossing up the pressing and actuating piece 202 causes the cover latch 201 to disengage from the cover latch groove 11, so that the cover 2 and the housing 1 are separated and opened. In this embodiment, the housing protection level is not lower than IP40.

[0042] A panel 3 is fixed to the right side of the front of the outer casing 1 from top to bottom. The size of the panel 3 is much smaller than that of the cover 2. Control buttons and indicator lights are installed on the panel 3.

[0043] The bottom of the housing 1 is provided with a power supply terminal 4, at least two RS485 communication terminals 5, two CAN communication terminals 6, at least two remote signaling terminals 7, one expansion interface terminal 8 (which can be an 8-port expansion interface terminal), one communication port terminal 9, and at least one hard contact output terminal 10.

[0044] Among them, the power supply terminal 4 is composed of Figure 3 The system consists of L and N terminals; one of the two RS485 communication terminals is... Figure 3 The RS485-A1 and RS485-B1 terminals constitute another route. Figure 3 It consists of RS485-A2 and RS485-B2 terminals; one of the six CAN communication terminals is... Figure 3 The CAN-H1 and CAN-L1 terminals form another route. Figure 3 It consists of CAN-H2 and CAN-L2 terminals; one of the two remote signaling terminals is... Figure 3 The YX1 terminal and COM terminal (remote signaling common terminal) constitute another route. Figure 3 The middle YX2 terminal and COM terminal are used; the hard contact output terminal 10 is composed of Figure 3 It consists of C-terminal and R-terminal.

[0045] The power supply board, main control board, communication board, and carrier communication module 25 are fixed inside the housing 1. The power supply board, communication board, main control board, and carrier communication module are arranged sequentially from back to front inside the housing. The carrier communication module adopts an existing carrier communication module, which is existing technology.

[0046] Specifically, the power supply board has a voltage conversion circuit 12, which uses an existing voltage conversion circuit and is a prior art.

[0047] The main control board has a main control chip 13, a real-time clock 14, a Bluetooth module 15, a storage chip 16, an indicator light circuit 17, and a button circuit 18. The indicator light circuit includes five sub-indicator circuits, which include a power indicator light 171, a running indicator light 172, an up indicator light 173, a down indicator light 174, and a maintenance indicator light 175. The power indicator light 171, running indicator light 172, up indicator light 173, down indicator light 174, and maintenance indicator light 175 are embedded in the panel 3. The switch button 181 in the button circuit 18 is embedded in the panel 3. The power indicator light 171, running indicator light 172, up indicator light 173, down indicator light 174, maintenance indicator light 175, and switch button 181 are arranged sequentially from top to bottom on the panel 3.

[0048] Among them, the power indicator 171 is a green LED that stays on when the power is normal; the operation indicator 172 is a green LED that flashes at a frequency of 1Hz during normal operation; the uplink indicator 173 is off when there is no data transmission or reception, and flashes green when transmitting or receiving data; the downlink indicator 174 is off when there is no data transmission or reception, and flashes green when transmitting or receiving data; the maintenance indicator 175 is a red LED that stays on red when in maintenance mode and is off when in operation; the switch button 181: a short press activates the maintenance mode function, and a long press (>3s) resets and restarts the converter for this protocol.

[0049] This protocol converter is designed with a real-time clock 14, which has a timing function and a daily timing error absolute value ≤2s / d. The power distribution IoT agent unit (modular) can receive clock call and time synchronization commands from the master station, smart distribution terminal or local handheld device. It can synchronize the time of this protocol converter through communication interfaces such as Bluetooth module and can receive broadcast time synchronization commands.

[0050] The communication board has multiple RS485 communication circuits 19, two CAN communication circuits 20, two remote signaling circuits 23, and one expansion interface communication circuit 24. The RS485 communication circuit 19, CAN communication circuit 20, remote signaling circuit 23, and expansion interface communication circuit 24 all use existing circuits and are existing technologies.

[0051] One end of the power supply terminal 4 is used to connect to an external AC power source, and the other end is electrically connected to the voltage conversion circuit 12. The external AC power source connected to the power supply terminal 4 is supplied with voltage by the voltage conversion circuit 12 to power the protocol converter, such as providing 12V voltage to the RS485 communication terminal 5, CAN communication terminal 6, remote signaling terminal 7, expansion interface terminal 8, communication port terminal 9 and hard contact output terminal 10.

[0052] The real-time clock 14, Bluetooth module 15, storage chip 16, indicator circuit 17, and button circuit 18 are all electrically connected to the main control chip 13. The RS485 communication terminal 5 and communication port terminal 9 are electrically connected to the main control chip 13 through the corresponding RS485 communication circuit 19. The CAN communication terminal 6 is electrically connected to the main control chip 13 through the CAN communication circuit 20. The remote signaling terminal 7 is electrically connected to the main control chip 13 through the remote signaling circuit 23. The expansion interface terminal 8 is electrically connected to the main control chip through the expansion interface communication circuit 24. The hard contact output terminal 10 and the carrier communication module 25 are both electrically connected to the main control chip 13.

[0053] The main control chip 13, real-time clock 14, Bluetooth module 15, storage chip 16, indicator light circuit 17, and button circuit 18 all use existing products or circuits. Depending on the function of each port pin of the main control chip 13, the specific port pin of the real-time clock 14, Bluetooth module 15, storage chip 16, indicator light circuit 17, or button circuit 18 that is electrically connected to the main control chip 13 is a conventional arrangement for those skilled in the art and is prior art.

[0054] In this embodiment, the outer shell 1 further includes a front shell 101 and a rear shell 102. The side walls of the front shell 101 are fixed with shell buckles 111 at the rear position. The side walls of the rear shell 102 are provided with shell slots 121 corresponding to the shell buckles 111 at the front position. The shell buckles 111 are engaged in the corresponding shell slots 121 so that the front shell 101 and the rear shell 102 are engaged.

[0055] In this embodiment, two installation methods can be used to install this protocol converter:

[0056] The first installation method: The top of the outer casing 1 is fixed with a hanging mounting port 26, which can be used to hang this protocol converter on the screw;

[0057] The second installation method: The back of the outer casing 1 has a 35mm wide standard U-shaped guide rail bayonet 27. This U-shaped guide rail bayonet 27 can be used to install guide rails, and the protocol converter is installed in the box through the guide rails on it.

[0058] This embodiment supports two installation methods: 35mm wide standard U-shaped guide rail clip installation and hook suspension installation.

[0059] This protocol converter is applicable to the access, acceptance, and operation of newly built or renovated / expanded distributed photovoltaic systems, energy storage systems, and charging pile systems connected to the grid at 220V / 380V voltage levels.

[0060] This protocol converter is a key device for managing and controlling distributed power systems. It is widely used in microgrids, smart grids, and renewable energy systems. Its main function is to coordinate the operation of multiple distributed power sources, such as photovoltaic power generation, energy storage, and charging piles, to ensure system stability and efficiency. It has a wide range of applications and corresponds to the business of power companies.

[0061] In this embodiment, when the protocol converter is used in a distributed photovoltaic power generation system (including photovoltaic switches, photovoltaic inverters, electricity meters, etc.) power application scenario, the power supply terminal 4 is connected to external AC power to provide power; the RS485 communication terminal 5 is connected to the electricity meter to collect the electricity meter data and transmit the electricity meter data to the main control chip 13 through the corresponding RS485 communication circuit 19. The main control chip 13 reports the data to the smart distribution terminal through the carrier communication module 25. The main control chip 13 also stores the data in the storage chip 16. The smart distribution terminal can also issue operations such as modifying the parameters of the electricity meter; the remote signaling terminal 7 is connected to the photovoltaic switch to obtain the switching status of the photovoltaic switch and transmit it to the main control chip 13 through the remote signaling circuit 23. The main control chip 13 generates switch status change information and reports it to the smart distribution terminal through the carrier communication module 25 and stores it. The data is stored in the memory chip 16; ports 1 and 2 of the expansion interface terminal 8 are connected to the photovoltaic inverter, ports 3 and 4 are used to connect to the inverter communication rod on the photovoltaic inverter, ports 5 and 6 are grounded, and ports 7 and 8 are connected to voltage. The data of the photovoltaic inverter is transmitted to the main control chip 13 through ports 1 and 2 of the expansion interface terminal 8 and the expansion interface communication circuit 24. After data processing, the main control chip 13 distributes the data to the inverter communication rod through ports 3 and 4 of the expansion interface terminal 8, and distributes it to the carrier communication module 25 after protocol conversion. The carrier communication module 25 reports to the smart distribution terminal, and the smart distribution terminal reports to the power company's power management platform. The communication port terminal 9 can realize the information interaction between the protocol converter and the photovoltaic switch. The hard contact output terminal 10 can output a 12V pulse signal to control the opening of the photovoltaic switch.

[0062] In this embodiment, when the protocol converter is used in a distributed energy storage system (including smart circuit breakers, electricity meters, converters, battery management systems, etc.) power application scenario, the power supply terminal 4 is connected to external AC power to provide power; the RS485 communication terminal 5 is connected to the electricity meter to collect the electricity meter data and transmit the electricity meter data to the main control chip 13 through the corresponding RS485 communication circuit 19. The main control chip 13 reports the data to the smart distribution terminal through the carrier communication module 25. The main control chip 13 also stores the data in the storage chip 16. The smart distribution terminal can also issue commands to modify the parameters of the electricity meter; the remote signaling terminal 7 is connected to the smart circuit breaker to obtain the opening and closing status of the smart circuit breaker and communicate with it. The data is transmitted to the main control chip 13 via the remote signaling circuit 23. The main control chip 13 generates switch status change information and reports it to the intelligent distribution terminal via the carrier communication module 25, and stores it in the storage chip 16. The CAN communication terminal 6 is connected to the converter, etc. in the distributed energy storage system. The acquired data is transmitted to the main control chip 13 via the CAN communication circuit 20. After protocol conversion, the main control chip 13 distributes the data to the carrier communication module 25. The carrier communication module 25 reports the data to the intelligent distribution terminal, and the intelligent distribution terminal reports the data to the power company's power management platform. The communication port terminal 9 enables information interaction between the protocol converter and the intelligent circuit breaker. The hard contact output terminal 10 can output a 12V pulse signal to control the tripping of the intelligent circuit breaker.

[0063] In this embodiment, when the protocol converter is used in a distributed charging pile system (including smart circuit breakers, electricity meters, charging guns, battery management systems, etc.) power application scenario, the power supply terminal 4 is connected to external AC power to provide power; the RS485 communication terminal 5 is connected to the electricity meter to collect the electricity meter data and transmit the electricity meter data to the main control chip 13 through the corresponding RS485 communication circuit 19. The main control chip 13 reports the data to the smart distribution terminal through the carrier communication module 25. The main control chip 13 also stores the data in the storage chip 16. The smart distribution terminal can also issue commands to modify the parameters of the electricity meter; the remote signaling terminal 7 is connected to the smart circuit breaker to obtain the opening and closing status of the smart circuit breaker and transmit the data via remote signaling. The signal circuit 23 transmits data to the main control chip 13. The main control chip 13 generates switch state change information and reports it to the intelligent distribution terminal via the carrier communication module 25, and stores it in the storage chip 16. The CAN communication terminal 6 connects to the battery management system in the distributed charging pile system, etc., and obtains data and transmits it to the main control chip 13 via the CAN communication circuit 20. The main control chip 13 distributes the data to the carrier communication module 25 after protocol conversion. The carrier communication module 25 reports the data to the intelligent distribution terminal, and the intelligent distribution terminal reports the data to the power company's power management platform. The communication port terminal 9 enables information interaction between the protocol converter and the intelligent circuit breaker. The hard contact output terminal 10 can output a 12V pulse signal to control the opening of the intelligent circuit breaker.

[0064] In this embodiment, when at least two of the photovoltaic power generation system, energy storage system, and charging pile system are very close to each other, such as when the photovoltaic power generation system and the charging pile system are very close to each other, the RS485, CAN, and extended interfaces integrated in the device can serve both scenarios simultaneously without the need for additional interface hardware. The photovoltaic power generation system and the charging pile system can share a protocol converter designed in this embodiment.

[0065] This utility model adopts a modular design, supports the Southern Power Grid standard carrier communication module, can meet the communication hardware interface and protocol access of different inverters, and also supports CAN network access with energy storage systems and charging pile systems to realize the control of photovoltaic, energy storage and charging piles.

[0066] This utility model can collect the opening and closing status of smart circuit breakers or photovoltaic switches on demand through remote signaling terminals. When a change occurs, it should be recorded in memory and a circuit breaker switch status change event should be generated and reported to the smart distribution terminal.

[0067] This protocol converter can set parameters via the main station, remote or handheld devices, or communication interfaces, such as the communication address and communication protocol type of devices like electricity meters, photovoltaic switches, photovoltaic inverters, energy storage, and charging piles.

[0068] The intelligent distribution station terminal can set parameters, read data, and issue control commands to this protocol converter through the carrier communication module. This protocol converter supports actively reporting relevant information to the intelligent distribution station terminal through the carrier communication module.

[0069] This protocol converter can interact with photovoltaic power generation systems, energy storage systems, and charging pile systems via RS-485, CAN, and other communication methods, and can be configured as needed.

[0070] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0071] As is known from common technical knowledge, this utility model can be implemented through other embodiments that do not depart from its spirit or essential characteristics. Therefore, the disclosed embodiments described above are merely illustrative in all respects and are not the only ones. All modifications within the scope of this utility model or its equivalents are included in this utility model.

Claims

1. A protocol converter suitable for a variety of distributed power source scenarios, characterized in that, The shell (1) is internally fixed with a power supply board, a main control board, a communication board and a carrier wave communication module (25); The shell (1) is internally fixed with a power supply board, a main control board, a communication board and a carrier wave communication module (25); The main control chip (13), the real-time clock (14), the Bluetooth module (15), the storage chip (16), the indicator light circuit (17) and the key circuit (18) are arranged on the main control board, and the key circuit (18) comprises a switching key (181); the communication board is provided with a plurality of RS485 communication circuits (19), two CAN communication circuits (20), two remote signaling circuits (23) and an extension interface communication circuit (24); One end of the power supply terminal (4) is used for externally connecting an external alternating current power supply, and the other end is electrically connected with the voltage conversion circuit (12); the voltage conversion circuit (12) is used for supplying power to each power consumption component of the protocol converter; The real-time clock (14), the Bluetooth module (15), the storage chip (16), the indicator light circuit (17) and the key circuit (18) are electrically connected with the main control chip (13); The RS485 communication terminal (5) and the communication port terminal (9) are respectively electrically connected with the main control chip (13) through the corresponding RS485 communication circuit (19); The CAN communication terminal (6) is electrically connected with the main control chip (13) through the CAN communication circuit (20); The remote signaling terminal (7) is electrically connected with the main control chip (13) through the remote signaling circuit (23); The extension interface terminal (8) is electrically connected with the main control chip (13) through the extension interface communication circuit (24); The hard contact output terminal (10) and the carrier wave communication module (25) are electrically connected with the main control chip (13).

2. The protocol converter suitable for multiple distributed power source scenarios of claim 1, wherein, The shell (1) is internally fixed with a power supply board, a main control board, a communication board and a carrier wave communication module (25); 3. The protocol converter suitable for multiple distributed power source scenarios of claim 2, wherein, The main control chip (13), the real-time clock (14), the Bluetooth module (15), the storage chip (16), the indicator light circuit (17) and the key circuit (18) are arranged on the main control board, and the key circuit (18) comprises a switching key (181); the communication board is provided with a plurality of RS485 communication circuits (19), two CAN communication circuits (20), two remote signaling circuits (23) and an extension interface communication circuit (24); 4. The protocol converter suitable for multiple distributed power source scenarios as claimed in claim 2, wherein, One end of the power supply terminal (4) is used for externally connecting an external alternating current power supply, and the other end is electrically connected with the voltage conversion circuit (12); the voltage conversion circuit (12) is used for supplying power to each power consumption component of the protocol converter; The real-time clock (14), the Bluetooth module (15), the storage chip (16), the indicator light circuit (17) and the key circuit (18) are electrically connected with the main control chip (13); The RS485 communication terminal (5) and the communication port terminal (9) are respectively electrically connected with the main control chip (13) through the corresponding RS485 communication circuit (19); The CAN communication terminal (6) is electrically connected with the main control chip (13) through the CAN communication circuit (20); The remote signaling terminal (7) is electrically connected with the main control chip (13) through the remote signaling circuit (23); The extension interface terminal (8) is electrically connected with the main control chip (13) through the extension interface communication circuit (24); The hard contact output terminal (10) and the carrier wave communication module (25) are electrically connected with the main control chip (13). The shell (1) is internally fixed with a power supply board, a main control board, a communication board and a carrier wave communication module (25); The main control chip (13), the real-time clock (14), the Bluetooth module (15), the storage chip (16), the indicator light circuit (17) and the key circuit (18) are arranged on the main control board, and the key circuit (18) comprises a switching key (181); the communication board is provided with a plurality of RS485 communication circuits (19), two CAN communication circuits (20), two remote signaling circuits (23) and an extension interface communication circuit (24); One end of the power supply terminal (4) is used for externally connecting an external alternating current power supply, and the other end is electrically connected with the voltage conversion circuit (12); the voltage conversion circuit (12) is used for supplying power to each power consumption component of the protocol converter; The real-time clock (14), the Bluetooth module (15), the storage chip (16), the indicator light circuit (17) and the key circuit (18) are electrically connected with the main control chip (13); The RS485 communication terminal (5) and the communication port terminal (9) are respectively electrically connected with the main control chip (13) through the corresponding RS485 communication circuit (19); The CAN communication terminal (6) is electrically connected with the main control chip (13) through the CAN communication circuit (20); The remote signaling terminal (7) is electrically connected with the main control chip (13) through the remote signaling circuit (23); The extension interface terminal (8) is electrically connected with the main control chip (13) through the extension interface communication circuit (24); The hard contact output terminal (10) and the carrier wave communication module (25) are electrically connected with the main control chip (13).

5. The protocol converter suitable for multiple distributed power source scenarios of claim 4, wherein, The bottom end of the face cover (2) is fixed with a cover buckle (201), the bottom end of the shell (1) is provided with a cover buckle slot (11) matched with the cover buckle (201), and the cover buckle (201) is clamped in the cover buckle slot (11); the edge of the cover buckle (201) is provided with a pressing and pulling piece (202) for manual pressing and pulling.

6. The protocol converter suitable for multiple distributed power source scenarios as claimed in claim 1, wherein, The shell (1) comprises a front shell (101) and a rear shell (102); the side wall of the front shell (101) is fixed with a shell buckle (111) at the rear position, and the side wall of the rear shell (102) is provided with a shell buckle hole (121) corresponding to the shell buckle (111) at the front position; the shell buckle (111) is clamped in the corresponding shell buckle hole (121), so that the front shell (101) and the rear shell (102) are clamped.

7. The protocol converter suitable for multiple distributed power source scenarios as claimed in claim 1, wherein, The power board, the communication board, the main control board and the carrier wave communication module (25) in the shell (1) are arranged in the front-rear direction of the shell (1) from rear to front.

8. The protocol converter suitable for multiple distributed power source scenarios as claimed in claim 1, wherein, The top of the shell (1) is fixed with a hanging installation hole (26) for hanging installation; the protocol converter is hung on the external fixing member through the hanging installation hole (26).

9. The protocol converter suitable for multiple distributed power source scenarios as claimed in claim 1, wherein, The back of the shell (1) is provided with a U-shaped guide rail type buckle (27) for installing a guide rail.

10. The protocol converter suitable for multiple distributed power source scenarios as claimed in claim 1, wherein, The expansion interface terminal (8) is an 8-port terminal; the 1st port and the 2nd port of the expansion interface terminal (8) are used for connecting inverters, the 3rd port and the 4th port are used for connecting inverter communication rods matched with the inverters, the 5th port and the 6th port are used for grounding, and the 7th port and the 8th port are used for connecting voltages.

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