WO2021190367A1

WO2021190367A1 - Communication apparatus, system and method, and communication box

Info

Publication number: WO2021190367A1
Application number: PCT/CN2021/081198
Authority: WO
Inventors: 王士涛; 余松鹏
Original assignee: 江苏中信博新能源科技股份有限公司
Priority date: 2020-03-23
Filing date: 2021-03-17
Publication date: 2021-09-30
Also published as: CN111405487B; CN111405487A

Abstract

The present invention provides a communication apparatus, system and method and a communication box. The apparatus comprises: at least two communication units, the communication units being connected to each other in a first communication mode for mutual verification and analysis of sensor data; each of the communication units at least comprising a communication master box and a communication slave box connected in the first communication mode; each communication master box being provided with various types of sensors for acquiring different types of sensor data and sharing the different types of sensor data with the communication slave box in the same communication unit, and sharing the different types of sensor data with the communication master boxes in different communication units. By means of the solution above, a smaller number of sensors can be used to satisfy the current monitoring requirements of photovoltaic power plants for an external environment, especially communication interconnection between communication apparatuses and implementation of sensor information sharing.

Description

Communication device, system, method and communication box

Technical field

The invention relates to the technical field of photovoltaic power generation, in particular to a communication device, a system, a method and a communication box.

Background technique

Due to the large area of the photovoltaic power station, the signal is easily interfered by external factors such as high-voltage lines, undulating terrain, and bad weather in the power station. In addition, the communication structure of the photovoltaic communication box and the controller in the prior art is single, resulting in unstable communication.

When monitoring the surrounding environment of a photovoltaic power station, since it is necessary to monitor a variety of environmental factors, such as weather, wind direction, latitude and longitude, temperature and sunshine, etc., a variety of corresponding sensors are needed on the photovoltaic communication box to achieve multiple environmental factors The monitoring, leading to a significant increase in monitoring costs.

Therefore, how to improve the communication stability of the photovoltaic communication box and reduce the monitoring cost is a technical problem to be solved urgently by those skilled in the art.

Summary of the invention

In order to solve the problems of how to improve the stability of the photovoltaic communication box and reduce the cost, the present invention provides a communication device, a system, a method and a communication box. The communication device, system and method can solve the communication monitoring requirements of photovoltaic power plants at the present stage, especially the communication interconnection between communication devices, and realize the sharing of sensor information.

In order to achieve the above invention objectives of the present invention, the present invention is achieved through the following technologies:

The present invention provides a communication device, including:

At least two communication units, the communication units are connected through a first communication mode, and are used for mutual verification and analysis of sensor data; each of the communication units at least includes a communication main box and a communication main box connected through the first communication mode Communication slave box; each communication master box is equipped with various types of sensors, used to collect different types of sensor data, and share different types of sensor data to the communication slave box in the same communication unit, and share different types of sensor data to different The communication main box in the communication unit.

Further, the communication master box or the communication slave box communicates with the cloud server through the second communication method, and is used to send the collected sensor data to the cloud server, and the cloud server calculates according to the collected sensor data The position of the photovoltaic tracker is the best angle of the component that can generate the maximum electric energy at the current time point, and it is sent to the communication master box or the communication slave box to control the rotation of the photovoltaic tracker.

Further, at least one of the communication slave boxes is equipped with a basic sensor for collecting corresponding sensor data, wherein the basic sensor includes a rain and snow sensor, a wind direction and wind speed sensor, a flood sensor, or an irradiation sensor.

Further, the communication master box or the communication slave box includes: a first control unit and a second control unit, and the first control unit and the second control unit are respectively connected with a first communication module; The first communication module connected to the unit is used to communicate with the photovoltaic tracker to control the tracking angle of the photovoltaic tracker; the first communication module connected to the second control unit is used to communicate with another Communication master box or communication slave box communication to transmit data of different types of sensors.

Further, the communication master box or the communication slave box further includes: a second communication module connected to the first control unit and configured to communicate with the cloud server through the second communication mode; and a third communication module: The first control unit is connected for backup of the sensor data and real-time update of the time of the communication device.

Further, the communication master box or the communication slave box includes: a power supply circuit connected to the independent components, which supplies power to the mainboard power supply module and the lithium battery through a photovoltaic customized DC/DC module; and/or; connects to a box-type transformer The power supply circuit of the switch power supply is stepped down and supplied for backup power supply.

Further, the communication master box or the communication slave box includes: a user interface circuit connected to the first control unit to provide a port for users to obtain information; and a sensor circuit connected to the first control unit to obtain Sensor data.

The present invention also provides a communication system, including the communication device, the photovoltaic tracker, and the cloud server; the communication device is connected to the cloud server through the second communication mode, and is used for communicating with the cloud server ; The cloud server communicates with the communication master box or the communication slave box through the second communication method, and is used to calculate the maximum electric energy that the photovoltaic tracker is located at the current time point based on the collected sensor data The optimal angle of the components is sent to the communication master box or communication slave box to control the rotation of the photovoltaic tracker; the photovoltaic tracker is connected to the communication device through the first communication method for obtaining the The best angle of the component.

The present invention also provides a communication method, including:

The communication device transmits the sensor data to the cloud server through the second communication method; the cloud server calculates, according to the sensor data, the component that can generate the maximum electrical energy at the current time point where the photovoltaic tracker is located Optimal angle, transmitting the optimal angle of the component to the communication device through the second communication method; the communication device transmits the optimal angle of the component to the photovoltaic device through the first communication method Tracker to control the tracking angle.

Further, the communication units are connected through a first communication mode to mutually verify and analyze the sensor data; when the error value of the sensor data exceeds the error preset value, the sensor data is an abnormal value; when the sensor When the data is an abnormal value, the abnormal value is discarded, and the normal value of the sensor data of the other communication unit connected by the first communication mode is passed in.

Further, the sensor data is backed up between each of the communication main boxes.

The invention also provides a communication box, which is applied to the communication device.

The communication device, system, method and communication box provided by the present invention have at least the following beneficial effects:

1) The communication device of the present invention completes the sensor part. All types of sensors are installed on the communication master box, and basic sensors are installed on the communication slave box. The communication device can share sensor data to achieve the goal of saving sensors. The type sensor provides external environmental monitoring to the controller, increases the power generation of the tracking system, and at the same time ensures that the tracking system is working in a safe state under various climate adjustments.

2) In terms of communication structure, a variety of communication methods such as LORA communication are used. When the communication device communicates, it is communicated in modules. The communication structure is changed from the current communication between a single communication box and the controller to a communication between the upper layer and the background. , The middle layer is used for communication between communication boxes, and the lower layer communicates with the controller, so that in addition to achieving the effect of communication redundancy, it also saves the cost of the sensor.

3) Adopting the power supply mode of independent components, equipped with lithium batteries and charging and discharging circuits, to achieve 24-hour uninterrupted communication, supplemented by 220V alternating current, to meet the needs of individual projects.

4) Due to the change of power supply mode, the installation location of the communication box is no longer limited to the vicinity of the box-type transformer. It can be installed in the center of the photovoltaic power station sub-array. On the one hand, it can achieve the best communication effect of the communication device, and on the other hand, it can save power supply. Cable cost.

5) There are two control units in the communication main box and communication slave box, that is, dual MCU work, which supports the separation of communication channels and sensor channels, can provide more communication channels and sensor signal channels, and supports a single communication box and 300 sets of control Device communication, and multiple sensors provide technology, which can protect the mechanical structure of the power station in all directions.

6) In terms of software, the optimal angle of the component is calculated through the algorithm, specifically based on the information of the external sensor, the algorithm is used to calculate the optimal angle of the component that can generate the greatest power at this geographic location, and send it to the communication box for analysis After optimization, the control boxes distributed to each sub-array in the power station control the operation of each tracking system to the optimal angle to achieve the purpose of increasing power generation.

Description of the drawings

Hereinafter, in a clear and easy-to-understand manner, the preferred embodiments will be described in conjunction with the accompanying drawings, and the above-mentioned characteristics, technical features, advantages and implementation methods of a communication device, system, method and communication box will be further described.

Figure 1 is a schematic diagram of the structure of a communication device in the present invention;

2 is a schematic diagram of the main circuit of a communication device in the present invention;

3 is a schematic diagram of the structure of a second communication module of a communication device of the present invention;

4 is a schematic diagram of the structure of a third communication module of a communication device of the present invention;

5 is a schematic diagram of the structure of a sensor interface digital circuit of a communication device of the present invention;

6 is a schematic diagram of the structure of the sensor interface digital circuit of a communication device of the present invention;

Figure 7 is a schematic diagram of the structure of a communication system in the present invention;

Fig. 8 is a schematic flowchart of a communication method in the present invention.

Detailed ways

In the following description, for the purpose of illustration rather than limitation, specific details such as a specific system structure and technology are proposed for a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from obstructing the description of this application.

It should be understood that when used in this specification and appended claims, the term "comprising" indicates the existence of the described features, wholes, steps, operations, elements and/or components, but does not exclude one or more other The existence or addition of features, wholes, steps, operations, elements, components, and/or collections.

In order to make the drawings concise, the drawings only schematically show the parts related to the present invention, and they do not represent the actual structure of the product. In addition, in order to make the drawings concise and easy to understand, in some drawings, only one of the components with the same structure or function is schematically shown, or only one of them is marked. In this article, "a" not only means "only this one", but can also mean "more than one".

It should be further understood that the term "and/or" used in the specification and appended claims of this application refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations .

In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings and obtained Other embodiments.

According to an embodiment of the present invention, a communication device includes:

Exemplarily, as shown in Fig. 1, in the first communication unit, the No. 1 communication box is the A communication master box of the first communication unit, and the No. 3, 4, and 5 communication boxes are the communication slave boxes of the No. 1 communication box. In the second communication unit, the No. 2 communication box is the A communication master box of the first communication unit, and the No. 6, 7, and 8 communication boxes are the communication slave boxes of the No. 1 communication box. At the same time, the communication device includes several communication boxes. All the sensors are configured on the No. 1 and No. 2 communication boxes, and the other communication boxes are not equipped with sensors or equipped with a basic sensor. Communication box No. 1 will transmit sensor data and analysis data to No. 3, 4, and 5 communication boxes in real time through LORA communication. Communication box No. 2 will transmit sensor data and analysis data to No. 6 and 7 through LORA communication in real time. , No. 8 communication box. Among them, the LORA communication method is the first communication method. Through the above scheme, the cost of the sensor can be reduced to a large extent. At the same time, communication between No. 1 and No. 2 communication boxes can also mutually verify sensor data and analyze data, and complete communication backup (RPR).

Optionally, the communication master box or the communication slave box communicates with a cloud server through the second communication method, and is used to send collected sensor data to a cloud server, and the cloud server, based on the collected sensor data, Calculate the optimal angle of the component that can generate the maximum electric energy at the current time point where the photovoltaic tracker is located, and send it to the communication master box or the communication slave box to control the rotation of the photovoltaic tracker.

Specifically, the communication device structure has changed from the current single communication box and the controller to the communication between the upper layer and the background (cloud server), the middle layer is used for communication between the communication boxes, and the lower layer communicates with the controller to achieve the effect of communication redundancy. At the same time, the cost of the sensor is saved. The middle layer includes the communication device; the communication device communicates with the upper backstage through the LORA communication method, and also communicates with the lower-level controller through the LORA communication method. At the same time, the adjacent communication main boxes use the LORA communication method. Carrying out duplex communication, in addition to achieving the effect of communication redundancy, the data of sensors can also be shared between adjacent communication main boxes to achieve the goal of saving sensors. The data of all sensors are summarized to the communication box MCU for analysis, the communication data will be uploaded to the cloud, the data of the training machine will be transmitted to the communication device, the communication device communicates with the lower control box, and the best angle is updated in real time.

Exemplarily, the same latitude and longitude, different times, and different weather conditions (sunny, cloudy, rain, snow, sunshine, temperature, etc.) are used to track the system's model machine, and record the electric energy generated by the double-sided module at different angles (near the target angle) The optimal angle of the component is calculated based on the external sensor information. The sensors can include rain and snow sensors, wind direction and speed sensors (wind sensor), flood sensors, radiation sensors (irradiometers), and radar water level gauges. , Acquiring rain and snow volume data through the rain and snow sensor, wind direction and wind speed data through the wind direction and wind speed sensor, water depth data through the radar water level gauge, and irradiance data through the radiation sensor.

Optionally, the communication master box or the communication slave box includes: a first control unit and a second control unit, and the first control unit and the second control unit are respectively connected with a first communication module; A first communication module connected to a control unit is used to communicate with the photovoltaic tracker; a first communication module connected to the second control unit is used to communicate with another communication master box or communication slave box, To transmit different types of sensor data.

The communication master box or the communication slave box further includes: a second communication module connected to the first control unit and configured to communicate with the cloud server through the second communication mode; and a third communication module: The first control unit is connected, and is used for backing up the sensor data and updating the time of the communication device in real time.

The communication master box or the communication slave box includes: a power supply circuit connected to the independent components, which supplies power to the mainboard power supply module and the lithium battery through a photovoltaic customized DC/DC module; and/or; a power supply connected to a box-type transformer The circuit is stepped-down and powered by the switching power supply for backup power supply.

The communication master box or the communication slave box includes: a user interface circuit connected to the first control unit to provide a port for users to obtain information; and a sensor circuit connected to the first control unit to obtain sensor data .

Exemplarily, as shown in Figure 2-6, the main circuit of the communication master box or the communication slave box includes: two master single-chip MCUs, two LORA module circuits connected to the master single-chip, power supply circuit, satellite positioning circuit, GPRS Module circuit, 4G standard SIM module circuit, user interface circuit, sensor interface digital circuit, sensor interface analog circuit, wind direction and wind sensing interface circuit, irradiator interface circuit.

Among them, the MCU unit: two 4 series STM32F407ZET6 are used as the main single-chip microcomputer, and data is exchanged in real time between the two MCU units; the first control unit is the MCU1 control unit; the second control unit is the MCU2 control unit.

In addition, the LORA module circuit of the communication master box or the communication slave box includes: the first communication module connected to the first control unit is a LORA1 module; the first communication module connected to the second control unit is LORA2 module; using LORA chip plus peripheral circuit, foreign main frequency 915MHz and domestic main frequency 413MHz, LORA1 module communicates with the downstream controller, through the communication between the LORA2 module and the adjacent communication box, the communication master box or slave box that needs to communicate Communication is based on the same frequency.

Among them, the second communication module is a GPRS module/4G/SIM card; the third communication module is a GPS+BDS module, also called a satellite positioning circuit, which uses a GPS+BDS dual-chip redundant backup method to update the communication in real time The time of the box; the user interface circuit may include a USB port, a 485 port, and an Ethernet port. The communication master box or the communication slave box includes a sensor interface digital circuit: the SP485 chip is used for TTL to 485 signal conversion; the sensor interface analog circuit: the SP485 chip is used for TTL to 485 signal conversion. By reserving multiple types of communication interfaces, it is beneficial to communicate with the cleaning machine, combiner box, and MPPT module on site, and collect more data for analysis.

In addition, the power supply circuit includes channel 1, which is powered by an independent component, and is regulated and stepped down through a DC/DC module customized by photovoltaics. One part supplies power to the main board, and the other part supplies lithium batteries for backup; channel two: from box change The 220VAC standby power supply is supplied by the step-down switching power supply. The independent components are used to supply power to the communication device and to charge the lithium battery for backup. Due to the change of power supply mode, the independent component self-powered makes the installation position of the communication box no longer limited to the box-type transformer, and can be installed in the center of the photovoltaic power station sub-array. On the one hand, it achieves the best communication effect of the sub-array, on the other hand, it saves the cost of the power supply cable.

The present invention provides an embodiment of a communication system, including the communication device, photovoltaic tracker, and cloud server.

The communication device is connected to the cloud server through the second communication method, and is used to communicate with the cloud server.

The cloud server communicates with the communication master box or the communication slave box through the second communication method, and is used to calculate the position of the photovoltaic tracker that can generate the maximum electric energy at the current time point based on the collected sensor data The optimal angle of the component is sent to the communication master box or the communication slave box to control the rotation of the photovoltaic tracker.

The photovoltaic tracker is connected to the communication device through a first communication method, and is used to obtain the best angle of the component.

Exemplarily, as shown in Figure 7, the communication device structure in the communication system has changed from the current single communication box and the controller to the communication between the upper layer and the background (cloud server), and the middle layer is used for communication between the communication boxes. The lower layer communicates with the controller to achieve the effect of communication redundancy and save the cost of the sensor. The middle layer includes the communication device; the communication device communicates with the upper-layer background through the LORA communication method, and the lower-layer controller also uses the LORA communication method. LORA communication is used for duplex communication between adjacent communication boxes. In this way, in addition to achieving the effect of communication redundancy, the sensor data can also be shared between adjacent communication boxes to achieve the goal of saving sensors. The data of all sensors are summarized to the communication box MCU for analysis, the communication data will be uploaded to the cloud, the data of the training machine will be transmitted to the communication device, the communication device communicates with the lower control box, and the best angle is updated in real time.

Specifically, the same latitude and longitude, different times, and different weather conditions (sunny, cloudy, rain, snow, sunshine, temperature, etc.) can be used to track the model machine of the system to record the difference of the electric energy generated by the double-sided module from different angles (near the target angle) Influence, calculate the optimal angle of the component, based on the external sensor information, the sensors can include rain and snow sensors, wind direction and speed sensor (wind direction wind sensor), flood sensor, radiation sensor (irradiometer), radar water level gauge, The rain and snow volume data is acquired by the rain and snow sensor, the wind direction and wind speed data is acquired by the wind direction and wind speed sensor, the water depth data is acquired by the radar water level gauge, and the irradiation volume data is acquired by the irradiation sensor.

Among them, the main circuit of the communication box in the communication system uses two 4 series STM32F407ZET6 as the main single-chip microcomputer. In terms of power supply, the power supply source is an independent small component. The DC/DC module customized by photovoltaic is used to stabilize the voltage, and part of it is used for the communication box main board. Power is supplied, and the other part is charged through the LTC4015 to the lithium battery. At night and in bad weather, it is powered by a lithium battery; the motherboard integrates LORA module, GPRS module, 4G standard SIM module, satellite positioning module (such as GPS+BDS Beidou module), 485 to Ethernet module, user port optional 485 port (Using isolation chip ADM2582), USB port, Ethernet port; sensor related circuits also support rain and snow sensors, wind direction and wind sensors, irradiator sensors, radar water level sensors, etc.

According to the above scheme, the above-mentioned sensors are added to the communication device, but usually only the wind direction and speed sensor is standard, which completes the sensor data; at the same time, the training machine uses the AI algorithm to calculate that the maximum electrical energy can be generated at this point in time. The optimal angle of the components is sent to the communication box for analysis and optimization, and then distributed to the control box of each sub-array (communication box) in the power station to control each tracking system (photovoltaic tracker) to operate to the optimal angle to achieve the purpose of increasing power generation.

The present invention provides another embodiment. As shown in FIG. 8, a communication method includes:

S810: The communication device transmits the sensor data to the cloud server through the second communication method.

S820 The cloud server calculates the optimal angle of the component that can generate the maximum electric energy at the current time point where the photovoltaic tracker is located according to the sensor data, and transmits the optimal angle of the component to The communication device.

S830: The communication device transmits the optimal angle of the component to the photovoltaic tracker through the first communication method to control the tracking angle.

Specifically, after the communication device obtains the sensor data, it connects to the cloud server through the second communication mode, and transmits the sensor data to the cloud server. The training machine in the cloud service uses an algorithm to calculate the optimal angle of the component that can generate the maximum electrical energy at the current time point where the photovoltaic tracker is located, and sends it to the communication master box or the communication slave box to control the photovoltaic The tracker rotates, and then the photovoltaic tracker is connected with the communication device through the first communication method to obtain the best angle of the component.

Further, the communication units are connected through a first communication mode to mutually verify and analyze the sensor data; when the error value of the sensor data exceeds the error preset value, the sensor data is an abnormal value; when the sensor When the data is an abnormal value, the abnormal value is discarded, and the normal value of the sensor data is passed in.

Specifically, the photovoltaic power station will have several communication boxes No. 1 and 2. The No. 1 and No. 2 communication boxes are equipped with all types of sensors. In the sensor mutual check program, each type of sensor data will form a curve. When the sensor value If the error exceeds ±2%, it is judged to be an abnormal value, and the processing method is to discard the abnormal value, and the communication is passed to the normal value of the sensor of another communication box.

Specifically, the communication master box and the corresponding communication slave box use the first communication method to communicate, mutually verify the sensor data and analyze the data, and complete the communication backup (RPR). The above scheme greatly guarantees the stability of the communication. sex.

The present invention also provides a communication box, which can specifically include a communication master box or a communication slave box. Each communication master box is equipped with various types of sensors for collecting data of different types of sensors and sharing the data of different types of sensors to the same communication The communication slave box in the unit, as well as the sharing of different types of sensor data to the communication master box in different communication units.

The communication master box or the communication slave box includes: a user interface circuit connected to the first control unit to provide a port for users to obtain information; and a sensor circuit connected to the first control unit to obtain sensor data . The sensor circuit includes: a sensor interface digital circuit, connected to the first control unit, and used to convert a level signal into a communication signal of the 485 bus; a sensor interface analog circuit, connected to the first control unit, for The measured current of the sensor is converted into a measured value signal.

Specifically, the satellite positioning circuit may include an Air530 chip. The GPS_ANT pin of the Air530 chip is connected to an SMA interface and grounded through P1, the GND pin is directly grounded, the VCC pin and the VBACKUP pin are connected in parallel, and the two are connected in parallel. The capacitor is connected to GPS1_3V3, the RXD pin is connected to GPS_RXD1, and the TXD pin is connected to GPS_TXD1.

The GPS circuit may include a SIM chip, the VCC pin of the SIM chip is connected to the SIM_VCC terminal, and a capacitor is connected to the ground in parallel, the RST pin is connected to the SIM_RST_R27 terminal through a resistor, and the CLK pin is connected to the SIM_CLK_R29 terminal through a resistor. The /O pin is connected to the SIM_DATA terminal through a resistor and also includes two ground pins.

The sensor digital circuit includes an SP485 chip.

Pins

2 and 3 of the SP485 chip are receiver output enable and driver output enable, respectively, connected in parallel through a resistor, and pins 1 and 4 are TTL level respectively. The receiving end and the sending end are connected in series with a resistor respectively. The pull-up resistor R72 connected to pin 6 and the pull-up resistor R77 connected to pin 7 are used to ensure that the unconnected SP485 chip is in an idle state and provide network failure protection to improve the reliability of the node and the network. The pin 6 of the SP485 chip is connected with a resistor R73 in series with the pin 3 of the Header3 header. The resistor R73 and pin 3 also include a pull-up zener diode D12; pin 7 is connected with a resistor R75 in series with The pin 2 of the Header3 is connected, the resistor R75 and the pin 2 also include a pull-up zener diode D13, and the pin 7 and the resistor R75 are grounded through a grounding resistor R77. Pin 1 is grounded.

The sensor analog circuit adopts an industrial 0-20mA circuit to convert the measured current of the sensor into a measured value signal. The measured current flows in from the ADC1_IN terminal of the sensor analog circuit and flows out from the ADC1_OUT terminal. The ADC1_IN terminal ADC1_OUT terminal includes A resistor connected in series, a grounding capacitor is connected in parallel between the resistor and the ADC1_IN terminal, and the VCC3.3_MCU connected in series with the inverter through the resistor is grounded through a resistor before the ADC1_OUT terminal.

In addition, the power supply circuit includes channel 1, which is powered by an independent component, and is regulated and stepped down through a DC/DC module customized by photovoltaics. One part supplies power to the main board, and the other part supplies lithium batteries for backup; channel two: from box change The 220VAC standby power supply is supplied by the step-down switching power supply. The independent components are used to supply power to the communication device and to charge the lithium battery for backup. Due to the change in the power supply mode, the independent component makes the installation position of the communication box no longer limited to the box-type transformer, and can be installed in the center of the sub-array. The best communication effect of the array, on the other hand, it saves the cost of the power supply cable, and the sub-array is a communication box.

Those skilled in the art can clearly understand that for the convenience and conciseness of the description, only the division of the above-mentioned program modules is used as an example. In practical applications, the above-mentioned functions can be allocated by different program modules as needed, namely The internal structure of the device is divided into different program units or modules to complete all or part of the functions described above. The program modules in the embodiments can be integrated in one processing unit, or each unit can exist alone physically, or two or more units can be integrated in one processing unit. The above-mentioned integrated units can be implemented in the form of hardware. It can also be implemented in the form of a software program unit. In addition, the specific names of the program modules are only for the convenience of distinguishing each other, and are not used to limit the protection scope of the present application.

In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in an embodiment, reference may be made to related descriptions of other embodiments.

A person of ordinary skill in the art may realize that the units and algorithm steps of the examples described in combination with the embodiments disclosed herein can be implemented by electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed by hardware or software depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.

In the embodiments provided in this application, it should be understood that the disclosed device and method may be implemented in other ways. Exemplary, the device embodiments described above are only illustrative. For example, the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods. Exemplary , Multiple units or components can be combined or integrated into another system, or some features can be omitted or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

In addition, the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or software functional unit.

It should be noted that the above embodiments can be freely combined as required. The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also It should be regarded as the protection scope of the present invention.

Claims

A communication device, characterized in that it comprises:

At least two communication units, the communication units are connected by a first communication method for mutual verification and analysis of sensor data;

Each of the communication units at least includes a communication master box and a communication slave box connected through the first communication mode;

Each communication main box is equipped with various types of sensors, which are used to collect different types of sensor data, and share different types of sensor data to the communication slave box in the same communication unit, and share different types of sensor data to different communication units. Communication main box.
A communication device according to claim 1, characterized in that it comprises:

The communication master box or the communication slave box communicates with the cloud server through the second communication method, and is used to send the collected sensor data to the cloud server, and the cloud server calculates the photovoltaic tracking based on the collected sensor data The best angle of the component that can generate the maximum power at the current time point where the device is located is sent to the communication master box or the communication slave box to control the rotation of the photovoltaic tracker.
A communication device according to claim 1, characterized in that it comprises:

At least one of the communication slave boxes is equipped with a basic sensor for collecting corresponding sensor data, wherein the basic sensor includes a rain and snow sensor, a wind direction and wind speed sensor, a flood sensor, or an irradiation sensor.
The communication device according to claim 2, wherein the communication master box or communication slave box comprises:

A first control unit and a second control unit, the first control unit and the second control unit are respectively connected with a first communication module;

Wherein, a first communication module connected to the first control unit is used to communicate with the photovoltaic tracker to control the tracking angle of the photovoltaic tracker; a first communication module connected to the second control unit , Used to communicate with another said communication master box or communication slave box to transmit different types of sensor data.
The communication device according to claim 4, wherein the communication master box or the communication slave box further comprises:

A second communication module, connected to the first control unit, and configured to communicate with the cloud server through the second communication method;

The third communication module: connected with the first control unit, used for the backup of the sensor data and real-time update of the time of the communication device.
The communication device according to claim 5, wherein the communication master box or communication slave box comprises:

The power supply circuit connected with the independent component supplies power to the mainboard power supply module and lithium battery through the voltage stabilization and step-down of the customized DC/DC module of photovoltaic;

and / or;

The power circuit connected to the box transformer is stepped down and supplied by the switching power supply for backup power supply.
The communication device according to claim 6, wherein the communication master box or communication slave box comprises:

A user interface circuit connected to the first control unit is used to provide a port for a user to obtain information;

The sensor circuit connected to the first control unit is used to obtain sensor data.
A communication system, characterized by comprising the communication device, photovoltaic tracker, and cloud server according to any one of claims 1 to 7;

The communication device is connected to the cloud server through the second communication method, and is used to communicate with the cloud server;

The cloud server communicates with the communication master box or the communication slave box through the second communication method, and calculates the photovoltaic tracker's location at the current time point based on the collected sensor data. Optimal angle, and sent to the communication master box or communication slave box to control the rotation of the photovoltaic tracker;

The photovoltaic tracker is connected to the communication device through a first communication method, and is used to make the photovoltaic component at the optimal angle of the component.
A communication method using the communication system according to claim 8, characterized in that it comprises:

The communication device transmits the sensor data to the cloud server through the second communication method;

According to the sensor data, the cloud server calculates the optimal angle of the component that can generate the maximum electric energy at the current time point where the photovoltaic tracker is located, and transmits the optimal angle of the component to the communication through the second communication method Device

The communication device transmits the optimal angle of the component to the photovoltaic tracker through the first communication method to control the tracking angle.
The communication method according to claim 9, characterized in that it comprises:

The communication units are connected through a first communication mode, and mutually verify and analyze the sensor data;

When the error value of the sensor data exceeds the error preset value, determining that the sensor data is an abnormal value;

When the sensor data is an abnormal value, the abnormal value is discarded, and the normal value of the sensor data of the other communication unit connected by the first communication mode is passed in.
The communication method according to claim 9, characterized in that it comprises: backing up the sensor data between each of the communication main boxes.
A communication box, characterized in that it is applied to the communication device according to claims 1-7.