CN209823786U - Portable photovoltaic equipment communication simulator - Google Patents
Portable photovoltaic equipment communication simulator Download PDFInfo
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- CN209823786U CN209823786U CN201920872117.7U CN201920872117U CN209823786U CN 209823786 U CN209823786 U CN 209823786U CN 201920872117 U CN201920872117 U CN 201920872117U CN 209823786 U CN209823786 U CN 209823786U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to a portable photovoltaic equipment communication analog appearance, include: the processing unit is integrated with a plurality of inverter communication protocols; the self-adaptive unit is provided with a plurality of physical interfaces matched with the inverter and is in communication connection with the processing unit, and each physical interface is matched with a corresponding inverter communication protocol; the control unit is in communication connection with the processing unit and is used for selecting corresponding inverter communication protocols according to different inverters; and the power supply unit is used for supplying power to the processing unit, the self-adaptive unit and the control unit. The utility model integrates various inverter communication protocols, configures various inverter physical interfaces, and enables users to input communication contents through the configuration of the control unit; switching output can be configured through 485/232/TTL, so that a simulator can communicate with inverters of various models on an engineering site, judge whether the inverters break down or not, communicate with a collector and judge whether a communication module breaks down or not, and the device is simple and practical and improves fault efficiency.
Description
Technical Field
The utility model relates to a photovoltaic power plant data communication field of handling, more specifically says, it relates to a portable photovoltaic equipment communication analog appearance.
Background
The photovoltaic power station is a power generation system formed by electronic elements such as a solar cell panel, a storage battery pack, an inverter and the like. Since the solar cell and the storage battery are dc power sources and the load is an ac load, an inverter is required to convert the dc power into the ac power. During engineering installation, an acquisition device in communication connection with the inverter is usually installed to acquire data information of the inverter, so that background monitoring and management are facilitated.
For example, chinese patent No. CN206117307U discloses a photovoltaic power station cloud monitoring system, which is in communication connection with a photovoltaic power station through a data acquisition terminal, and after acquiring real-time data of the photovoltaic power station, the real-time data is transmitted to a background management terminal through a communication protocol, so that a user can monitor the photovoltaic power station in real time and know the operation status of the photovoltaic power station.
However, the inverter has various specifications and types, such as Huawei, Thai new energy, Jinlang, sunlight power, Gude Wei and other multi-brands and multi-models, different communication protocols of all brands, and different communication physical interfaces (such as DB9\ USB \ RJ 45), so that the fault maintenance of the engineering site is troublesome, and if the collected data is monitored by a background and is in a problem, when a maintenance worker is dispatched to the site, the inverter or the communication module is difficult to directly judge whether the inverter or the communication module is in a fault. In addition, in a research and development link, different inverter power generation environments also need to be built according to different communication protocols for debugging different inverters, which is troublesome.
Chinese patent application publication No. CN108427356A discloses an intelligent photovoltaic data acquisition system for photovoltaic modules and inverters, comprising: the data acquisition unit is in protocol connection with the photovoltaic assembly and the inverter and is used for acquiring operation data information of the photovoltaic assembly and the inverter; the cloud platform is in protocol connection with the data collector and is used for receiving the operation data information of the photovoltaic assembly and the inverter transmitted by the data collector; and the monitoring terminal is in protocol connection with the cloud platform and is used for receiving the photovoltaic module pushed by the cloud platform and the operation data information of the inverter.
The comparison file can be simultaneously connected with the inverter and the photovoltaic module, so that data acquisition, monitoring and switching-off of the photovoltaic module level are realized, a single or multiple modules can be controlled, the safety is greatly improved, and the energy utilization rate is improved; the inverter and the photovoltaic module can be monitored simultaneously, data are uploaded to the monitoring terminal, and richer and accurate information is provided for operation and maintenance personnel and users. However, the comparison file does not solve the problem of how to effectively solve and determine the fault source on site after the monitoring data is in problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a portable photovoltaic equipment communication analog appearance can solve research and development and the on-the-spot inconvenient problem of engineering maintenance, can accurately judge whether the dc-to-ac converter trouble or communication module trouble.
In order to achieve the above purpose, the utility model provides a following technical scheme: a portable photovoltaic device communication simulator, comprising: the processing unit is integrated with a plurality of inverter communication protocols; the self-adaptive unit is provided with a plurality of physical interfaces matched with the inverter and is in communication connection with the processing unit, and each physical interface is matched with a corresponding inverter communication protocol; the control unit is in communication connection with the processing unit and is used for selecting corresponding inverter communication protocols according to different inverters; and the power supply unit is used for supplying power to the processing unit, the self-adaptive unit and the control unit.
By the technical scheme, the communication simulator can be matched with a photovoltaic power station in a project site for debugging and maintenance, and the self-adaptive unit can adapt to the communication requirements of different inverters, so that the corresponding physical interface and communication protocol can be selected according to the types of the inverters in the project site, the communication between the simulator and the inverters is realized, and whether the inverters are in fault or not is judged; similarly, the simulator can also be in communication connection with the collector through a communication protocol to judge whether the communication module of the collector fails; therefore, the utility model discloses just can be very convenient judge out the trouble source of engineering scene, improve maintenance efficiency. And simultaneously, the utility model discloses also can be applied to dc-to-ac converter research and development link, research and development link need be to dc-to-ac converter development communication module, through analog instrument and dc-to-ac converter analog communication, can not need to build the dc-to-ac converter power generation environment and debug, saves the research and development cost, raises the efficiency.
Preferably, the physical interfaces in the adaptive unit include at least two of a DB9 interface, a USB interface, an RJ45 interface, and a 4-core waterproof interface.
Through above-mentioned technical scheme, the dc-to-ac converter of present mainstream has above four kinds, the utility model discloses from taking these interfaces, just can select the interface, convenient debugging according to the actual model of dc-to-ac converter during the field usage.
Preferably, the adaptive unit comprises 485/232/TTL switching circuits, wherein the 485 communication circuit, the 232 communication circuit and the TTL communication circuit are respectively connected with the processing unit.
By the technical scheme, the communication requirements of different inverters can be met, and automatic selection is performed according to the communication protocol. During communication, the 3 circuits respectively work independently and are in a normal communication state, and the processing unit detects which path has data and accesses the data of which path into the core for data processing, so that the self-adaptive purpose is achieved.
Preferably, the 485/232/TTL switching circuit comprises a switch for manually switching between the 485 communication circuit, the 232 communication circuit and the TTL communication circuit.
Through the technical scheme, the 485\232\ TTL circuit can be switched manually, for example, a rotary switch is used for switching and selecting the connection with inverters of different models.
Preferably, the control unit includes a liquid crystal control panel and a control circuit, and the control link is used for connecting the liquid crystal control panel and the processing unit.
Through the technical scheme, the inverter and the communication protocol are selected through the liquid crystal control screen.
Preferably, the control unit further comprises an input unit for editing and inputting the communication protocol.
Through the technical scheme, a user can input the content of the communication protocol through the configuration of the input unit so as to match different inverters.
Preferably, the utility model also comprises a network unit for connecting the simulator with the network; the network unit is in communication connection with the processing unit and is provided with a wireless communication unit and a wired communication unit.
Through the technical scheme, the simulator can realize data transmission in a wired or wireless mode.
Preferably, the device further comprises a data storage unit which is in communication connection with the processing unit.
Preferably, the data storage unit includes a RAM storage unit, a FLASH storage unit, and an SD card storage unit.
Through above-mentioned technical scheme, the analog instrument of being convenient for is stored and the record data, and the debugging maintenance and the statistics of being convenient for.
Preferably, it still includes the casing, processing unit, self-adaptation unit, the control unit, power supply unit all install in the casing, and the casing surface is equipped with: the power supply interface is in communication connection with the power supply unit; the plurality of physical interfaces are in communication connection with the self-adaptive unit; the liquid crystal control screen is in communication connection with the processing unit; the network interface is in communication connection with the NET circuit; and the storage card interface is in communication connection with the SD card storage unit.
Through the technical scheme, all the interfaces are integrated on the shell, the communication protocol is integrated in the processing unit, the carrying and fault processing are convenient, and the efficiency is improved.
To sum up, the utility model discloses following beneficial effect has: the utility model integrates various inverter communication protocols, configures various inverter physical interfaces, and enables users to input communication contents through the configuration of the control unit; switching output can be configured through 485/232/TTL, so that a simulator can communicate with inverters of various models on an engineering site, judge whether the inverters break down or not, communicate with a collector and judge whether a communication module breaks down or not, and the device is simple and practical and improves fault efficiency.
Drawings
Fig. 1 is a functional block diagram of the present invention.
Fig. 2 is a schematic diagram of the circuit module of the present invention.
Fig. 3 is a circuit diagram of the power supply unit of the present invention.
Fig. 4 is a circuit diagram of the processing unit of the present invention.
Fig. 5 is a circuit diagram of the adaptive unit according to the present invention.
Fig. 6 is a circuit diagram of a network unit according to the present invention.
Fig. 7 is a schematic structural diagram of the housing of the present invention.
In the figure: 1. a processing unit; 2. an adaptation unit; 3. a control unit; 4. a data storage unit; 5. a network unit; 6. a power supply unit; 10. a housing; 11. a power interface; 12. a physical interface; 13. a liquid crystal control screen; 14. a network interface; 15. a memory card interface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, a portable photovoltaic device communication simulator includes:
the processing unit 1 is integrated with a plurality of inverter communication protocols;
the self-adaptive unit 2 is provided with a plurality of physical interfaces matched with the inverter, the self-adaptive unit 2 is in communication connection with the processing unit 1, and each physical interface is matched with a corresponding inverter communication protocol;
the control unit 3 is in communication connection with the processing unit 1 and is used for selecting corresponding inverter communication protocols according to different inverters;
the data storage unit 4 is in communication connection with the processing unit 1 and is used for storing data;
the network unit 5 is connected with the processing unit 1 and is used for connecting the simulator with a network;
and a power supply unit 6 for supplying power to the module unit.
The communication simulator can be matched with a project site of a photovoltaic power station for debugging and maintenance, and the self-adaptive unit 2 can adapt to the communication requirements of different inverters, and can select a corresponding physical interface and a communication protocol according to the types of the project site inverters to realize the communication between the simulator and the inverters so as to judge whether the inverters are in fault; similarly, the simulator can also be in communication connection with the collector through a communication protocol to judge whether the communication module of the collector fails. Therefore, the fault source of the engineering site can be conveniently judged through the simulator, and the maintenance efficiency is improved. Meanwhile, the simulator can also be applied to a research and development link of the inverter, a communication module needs to be developed for the inverter in the research and development link, and the communication module is simulated and communicated with the inverter through the simulator, so that the debugging can be carried out without building an inverter power generation environment, the research and development cost is saved, and the efficiency is improved.
Fig. 2 is a block circuit diagram of the present embodiment.
In this embodiment, the power supply unit 6 adopts a DC/DC circuit to provide various working voltages for the system, and the chip selects the TPS54560 buck chip to support 12 input voltages to meet the requirement of a wider input voltage. The circuit diagram of the DC/DC circuit is shown in fig. 3.
The processing unit 1 adopts a Cortex-A7 processor, and an ARM processor is a processing core and is connected with various circuits. In the embodiment, the ARM processor selects Feichal I.MAX6UL, is matched with 512M LVDDR3 internal memory and 1GB EMMC storage, and has high speed and high integration level. The circuit diagram of the a7 processor is shown in fig. 4.
The data storage unit 4 comprises an RAM storage unit, a FLASH storage unit and an SD card storage unit which are all connected with the Cortex-A7 processor, so that the simulator can conveniently store and record data, and the debugging, maintenance and statistics are convenient.
In this embodiment, the adaptive unit 2 includes an 485/232/TTL automatic switching circuit, the 485/232/TTL switching circuit is implemented by using a TMUX1073, a 3-way 2-to-1 analog switch, a MAX3232, and a SP 83485; one end of a physical interface matched with various inverters is commonly connected to an output interface of the 232\485\ TTL circuit, and the output interfaces are four waterproof interfaces of RJ45, DB9, USB and 4 cores according to the current mainstream inverter. The present embodiment is provided with these interfaces, and the interface can be selected according to the actual model of inverter when the on-site operation, convenient debugging.
485/232/TTL adaptive circuit's circuit diagram refers to FIG. 5, adaptive circuit is the initiative adaptation 485, 232, TTL communication mode, three circuit from the top down respectively in FIG. 5 are 232\485\ TTL communication circuit, connect singlechip serial ports 3, serial ports 2, serial ports 1 respectively, 3 serial ports work independently respectively during communication to be in normal communication state, the singlechip detects which way has data and just carries out data processing with which way data access core, reaches the purpose of self-adaptation. The U16 partial circuit is an auxiliary circuit for 485 realization of automatic transceiving. In the figure, the right 4 interfaces respectively correspond to the physical interfaces of DB232\ RJ45\ USB \ waterproof four cores. The 485\232\ TTL circuit can be switched manually, for example, a rotary switch is used for switching and selecting the connection with inverters of different models.
In this embodiment, the control unit 3 includes a liquid crystal control panel and a control circuit, the control link is used to connect the liquid crystal control panel and the processing unit 1, the liquid crystal control panel is used for human-computer interaction, and a communication protocol matched with the inverter is selected according to actual conditions. The liquid crystal control screen can be an IPS1024X 6007 inch capacitance touch screen, and communication contents can be input through the configuration of a user of the liquid crystal screen so as to match different inverters.
In this embodiment, the network unit 5 is implemented by a NET circuit, a DP83848 chip is used, and a circuit diagram is shown in fig. 6, so that networking of the analog device can be implemented.
The embodiment adopts an 485/232/TTL self-adaptive circuit, can adapt to different inverter communication requirements, is matched with communication physical interfaces of various inverters, and can be directly connected with the inverters; meanwhile, various communication protocols are integrated, and the type of a target inverter is selected through a liquid crystal control screen; the communication simulator can simulate the communication between the inverter and the acquisition module and can also simulate the communication between the acquisition module and the inverter.
When the device is used, a maintenance worker determines a signal and a physical interface of the inverter on site, selects a corresponding interface on the simulator to be connected with the inverter, then selects a corresponding simulator signal and a communication protocol through the liquid crystal control screen to realize the communication between the simulator and the inverter, and can judge whether the inverter has a fault or not through the communication data result; meanwhile, the simulator can also be in communication connection with the collector, and is connected with the collector through a physical interface on the simulator so as to communicate with the collector, and whether a fault exists in a communication module of the collector is judged through a data transmission result. Therefore, the fault source of the engineering site can be conveniently judged through the simulator, and the maintenance efficiency is improved. Meanwhile, the simulator can also be applied to a research and development link of the inverter, a communication module needs to be developed for the inverter in the research and development link, and the communication module is simulated and communicated with the inverter through the simulator, so that the debugging can be carried out without building an inverter power generation environment, the research and development cost is saved, and the efficiency is improved.
Example 2:
referring to fig. 7, the present embodiment is different from embodiment 1 in that the present embodiment further includes a housing 10, the processing unit 1, the adaptive unit 2, the control unit 3, the data storage unit 4, the network unit 5, and the power supply unit 6 are all installed in the housing 10, and the surface of the housing 10 is provided with: the power supply interface 11 is in communication connection with the power supply unit 6; a plurality of physical interfaces 12 in communication with the adaptive unit 2; the liquid crystal control screen 13 is in communication connection with the processing unit 1; the network interface 14 is in communication connection with the NET circuit; and the memory card interface 15 is in communication connection with the data storage unit 4.
In the embodiment, all interfaces are integrated on the shell 10, and the communication protocol is integrated in the processing unit 1, so that the carrying and fault handling are convenient, and the efficiency is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a portable photovoltaic equipment communication analog appearance which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
a processing unit (1) integrated with a plurality of inverter communication protocols;
the self-adaptive unit (2) is provided with a plurality of physical interfaces matched with the inverter, the self-adaptive unit (2) is in communication connection with the processing unit (1), and each physical interface is matched with a corresponding inverter communication protocol;
the control unit (3) is in communication connection with the processing unit (1) and is used for selecting corresponding inverter communication protocols according to different inverters;
and a power supply unit (6) that supplies power to the processing unit (1), the adaptive unit (2), and the control unit (3).
2. The portable photovoltaic device communication simulator of claim 1, wherein: the physical interfaces in the adaptive unit (2) comprise at least two of a DB9 interface, a USB interface, an RJ45 interface and a 4-core waterproof interface.
3. The portable photovoltaic device communication simulator of claim 1, wherein: the self-adaptive unit (2) comprises an 485/232/TTL switching circuit, wherein a 485 communication circuit, a 232 communication circuit and a TTL communication circuit are respectively connected with the processing unit (1).
4. The portable photovoltaic device communication simulator of claim 3, wherein: the 485/232/TTL switching circuit comprises a switch for manually switching between the 485 communication circuit, the 232 communication circuit and the TTL communication circuit.
5. The portable photovoltaic device communication simulator of claim 1, wherein: the control unit (3) comprises a liquid crystal control screen and a control circuit, and the control connection is used for connecting the liquid crystal control screen and the processing unit (1).
6. The portable photovoltaic device communication simulator of claim 5, wherein: the control unit (3) further comprises an input unit for editing an input communication protocol.
7. The portable photovoltaic device communication simulator of claim 1, wherein: it also comprises a network unit (5) for connecting the simulator to a network; the network unit (5) is in communication connection with the processing unit (1), and the network unit (5) is provided with a wireless communication unit and a wired communication unit.
8. The portable photovoltaic device communication simulator of claim 1, wherein: the device also comprises a data storage unit (4), wherein the data storage unit (4) is in communication connection with the processing unit (1).
9. The portable photovoltaic device communication simulator of claim 8, wherein: the data storage unit (4) comprises an RAM storage unit, a FLASH storage unit and an SD card storage unit.
10. The portable photovoltaic device communication simulator of any one of claims 1 to 9, wherein: it still includes casing (10), processing unit (1), self-adaptation unit (2), control unit (3), power supply unit (6) are all installed in casing (10), and casing (10) surface is equipped with:
the power supply interface (11) is in communication connection with the power supply unit (6);
a plurality of physical interfaces (12) in communication with the adaptive unit (2);
the liquid crystal control screen (13) is in communication connection with the processing unit (1);
the network interface (14) is in communication connection with the NET circuit;
and the storage card interface (15) is in communication connection with the SD card storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920872117.7U CN209823786U (en) | 2019-06-12 | 2019-06-12 | Portable photovoltaic equipment communication simulator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920872117.7U CN209823786U (en) | 2019-06-12 | 2019-06-12 | Portable photovoltaic equipment communication simulator |
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| CN209823786U true CN209823786U (en) | 2019-12-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371756A (en) * | 2020-02-24 | 2020-07-03 | 深圳市电科电源股份有限公司 | Method for automatically converting communication protocol of inverter |
| CN111564858A (en) * | 2020-04-09 | 2020-08-21 | 东莞市新瑞能源技术有限公司 | Method for enabling household energy storage battery to be compatible with various inverters |
-
2019
- 2019-06-12 CN CN201920872117.7U patent/CN209823786U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371756A (en) * | 2020-02-24 | 2020-07-03 | 深圳市电科电源股份有限公司 | Method for automatically converting communication protocol of inverter |
| CN111371756B (en) * | 2020-02-24 | 2022-05-06 | 深圳市电科电源股份有限公司 | Method for automatically converting communication protocol of inverter |
| CN111564858A (en) * | 2020-04-09 | 2020-08-21 | 东莞市新瑞能源技术有限公司 | Method for enabling household energy storage battery to be compatible with various inverters |
| CN111564858B (en) * | 2020-04-09 | 2024-01-09 | 东莞市新瑞能源技术有限公司 | Method for enabling household energy storage battery to be compatible with multiple inverters |
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