CN220730964U - Household photovoltaic data transmission device - Google Patents
Household photovoltaic data transmission device Download PDFInfo
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- CN220730964U CN220730964U CN202322458457.4U CN202322458457U CN220730964U CN 220730964 U CN220730964 U CN 220730964U CN 202322458457 U CN202322458457 U CN 202322458457U CN 220730964 U CN220730964 U CN 220730964U
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- 238000012545 processing Methods 0.000 claims description 30
- 238000012544 monitoring process Methods 0.000 claims description 23
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- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000378 calcium silicate Substances 0.000 claims description 10
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 10
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 10
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- 229910002027 silica gel Inorganic materials 0.000 claims description 10
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Abstract
The utility model discloses a household photovoltaic data transmission device, relates to the field of data transmission, and solves the problems that the existing household photovoltaic data transmission device cannot receive data in place and is poor in data transmission capability. A household photovoltaic data transmission device comprises a shell, a solar panel, a photovoltaic inverter, a data acquisition module, a remote control terminal, a data transmission module, an energy storage unit and a controller; the utility model sets the data acquisition module to adopt a plurality of groups of sensors to measure temperature, light intensity and current and voltage parameters, and processes and controls various data collected by the sensors through a processor; the data transmission module is arranged to receive and transmit commands and data by adopting radio waves, and the wired communication unit is arranged to establish connection with the Internet through a wired network to realize data transmission and system control.
Description
Technical Field
The utility model relates to the field of data transmission, and more particularly relates to a household photovoltaic data transmission device.
Background
The household photovoltaic data transmission device has a wide application range, and the photovoltaic data transmission device collects various data of the photovoltaic power generation system and transmits the data to the remote server in a wireless or wired communication mode, so that a user is helped to monitor and master the electric energy output condition of the photovoltaic system in real time; through the photovoltaic data transmission device, a user remotely controls the on-off and output power parameters of the photovoltaic system in real time, and when the photovoltaic system fails or is abnormal, the user timely performs remote restarting and fault troubleshooting through the data transmission device; in a household photovoltaic system, the photovoltaic data transmission device realizes remote monitoring and control of the photovoltaic power generation system so as to ensure the running stability and output efficiency of the system.
In general, photovoltaic data transmission devices have many advantages, however, photovoltaic data transmission devices also have some drawbacks and disadvantages, including the following:
1. the data is not received in place, and the data is not accurate enough and easy to have errors due to the fact that the data is not received in place in the conventional household photovoltaic data transmission process;
2. the data transmission capability is poor, the data transmission capability is low, and accurate checking and management of data results by users are inconvenient;
in summary, the photovoltaic data transmission device has to be improved in terms of data reception and transmission, and continuous optimization technology is required, so that the accuracy of data reception is improved, and the data transmission capability is improved.
Disclosure of Invention
The utility model aims at: a household photovoltaic data transmission device is provided for improving the accuracy of data reception and the data transmission capability.
In order to achieve the technical effects, the utility model adopts the following technical scheme:
a household photovoltaic data transmission device comprising: the photovoltaic power generation system comprises a shell, a solar panel, a photovoltaic inverter, a data acquisition module, a remote control terminal, a data transmission module, an energy storage unit and a controller, wherein the shell is arranged outside photovoltaic equipment and an internal circuit, a signal output end of the solar panel is connected with a signal input end of the energy storage unit and the photovoltaic inverter, a signal output end of the data acquisition module is connected with a signal input end of the data transmission module, and the remote control terminal and the controller are connected with the photovoltaic inverter, the data acquisition module and the data transmission module through electric signals.
As a further description of the above technical solution:
solar cell panel includes solar cell piece, silica gel frame, stainless steel support, aluminium matter terminal box, DC plug and calcium silicate glass, solar cell piece passes through the wire connection aluminium matter terminal box, calcium silicate glass covers solar cell panel's front, silica gel frame and stainless steel support are in solar cell panel's lateral part, aluminium matter terminal box passes through DC plug is connected with other equipment, solar cell piece is used for converting solar energy into electric energy, silica gel frame and stainless steel support are through constituteing solar cell panel mechanical support structure protects battery module and supporting component, aluminium matter terminal box is used for converting solar cell panel's direct current into other forms's electric energy, calcium silicate glass is used for waterproof, thermal-insulated and resists the corruption of external environment.
As a further description of the above technical solution:
the photovoltaic inverter comprises a direct current input end, a filter, an inverter circuit, a control circuit and an output end, wherein the direct current input end is connected with the filter through an electric wire, the filter is connected with the inverter circuit and the control circuit through electric signals, the direct current input end is used for inputting direct current from a solar cell panel into the inverter for conversion, adjustment and processing, the filter is used for carrying out filtering processing on the input direct current, reducing harmonic waves and noise and protecting the inverter, the inverter circuit is used for converting the direct current into alternating current and rectifying the voltage and the frequency, the control circuit is used for controlling the switching, protection, detection and adjustment of the inverter, and the output end is used for outputting the converted alternating current to a power grid or a load of a user.
As a further description of the above technical solution:
the data acquisition module comprises a sensor, a processor, a memory and a communication interface, wherein the signal output end of the sensor is connected with the signal input end of the processor, the signal output end of the processor is connected with the signal input end of the memory, the sensor is used for measuring temperature, light intensity and current and voltage parameters, the processor is used for processing and controlling various data collected by the sensor, the memory is used for storing the collected data and related system information, and the communication interface is used for transmitting the collected data to a remote server or a local server so as to facilitate analysis and monitoring by a user.
As a further description of the above technical solution:
the remote control terminal comprises a control panel, a display screen and a communication module, wherein the control panel is connected with the display screen through an electric signal, the communication module is connected with the data acquisition module through an electric signal, the control panel is used for remotely controlling and monitoring a photovoltaic system, the display screen is used for displaying monitoring and control information of the photovoltaic system, and the communication module is used for establishing communication connection with the data acquisition module.
As a further description of the above technical solution:
the data transmission module comprises a radio transmission unit, a radio receiving unit and a wire communication unit, wherein the radio transmission unit and the radio receiving unit are connected with a remote server through radio waves, the wire communication unit is connected with the Internet through a wire network, the radio transmission unit is used for transmitting data from a photovoltaic system through radio waves, the radio receiving unit is used for receiving commands and data sent from the remote server and transmitting the commands and data to the photovoltaic system, and the wire communication unit is connected with the Internet through the wire network to realize data transmission and system control.
As a further description of the above technical solution:
the controller comprises a microcontroller unit, a signal processing unit and an equipment interface module, wherein the microcontroller unit is connected with the signal processing unit through an electric signal, the signal processing unit is connected with other external equipment through the equipment interface module, the microcontroller unit is used for controlling and managing each component part of the photovoltaic system and executing various control and monitoring tasks, the signal processing unit is used for processing various collected signals and analyzing, analyzing and processing the signals, and the equipment interface module is used for establishing connection with the other external equipment to realize control and monitoring of the external equipment.
The utility model has the beneficial technical effects that: the utility model sets the data acquisition module to adopt a plurality of groups of sensors to measure temperature, light intensity and current and voltage parameters, and processes and controls various data collected by the sensors through a processor; the data transmission module is arranged to receive and transmit commands and data by adopting radio waves, and the wired communication unit is arranged to establish connection with the Internet through a wired network to realize data transmission and system control.
Drawings
For a clearer description of an embodiment of the utility model or of a technical solution in the prior art, the drawings that are necessary for the description of the embodiment or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, from which, without inventive faculty, other drawings are obtained for a person skilled in the art, in which:
FIG. 1 is an overall block diagram of a photovoltaic data transmission apparatus of the present utility model;
FIG. 2 is a schematic diagram of a solar panel structure of the photovoltaic data transmission device for a user according to the present utility model;
FIG. 3 is a flow chart of the data acquisition module of the photovoltaic data transmission device for the user according to the present utility model;
FIG. 4 is a circuit diagram of the controller control of the photovoltaic data transmission device for the user according to the present utility model;
in the figure: the solar energy power generation device comprises a shell-1, a solar cell panel-2, a solar cell slice-201, a silica gel frame-202, a stainless steel bracket-203, an aluminum junction box-204, a DC plug-205, calcium silicate glass-206, a photovoltaic inverter-3, a direct current input end-301, a filter-302, an inverter circuit-303, a control circuit-304, an output end-305, a data acquisition module-4, a sensor-401, a processor-402, a memory-403, a communication interface-404, a remote control terminal-5, a control panel-501, a display screen-502, a communication module-503, a data transmission module-6, a radio transmitting unit-601, a radio receiving unit-602, a wired communication unit-603, an energy storage unit-7, a controller-8, a microcontroller unit-801, a signal processing unit-802 and an equipment interface module-803.
Description of the embodiments
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
A photovoltaic data transmission device for a user, as shown in fig. 1, comprising: casing 1, solar cell panel 2, photovoltaic inverter 3, data acquisition module 4, remote control terminal 5, data transmission module 6, energy storage unit 7 and controller 8, wherein:
a housing 1 for protecting the photovoltaic device and the internal circuit;
the solar panel 2 is used for providing power support for the data transmission device and monitoring and controlling the charging system through a charging control function;
the photovoltaic inverter 3 is used for converting direct current generated by the solar panel 2 into alternating current and monitoring the working state of the photovoltaic power generation system;
the data acquisition module 4 is used for collecting, storing and analyzing the performance data of the photovoltaic system in real time and transmitting the data to the data transmission module 6 for further management and processing;
a remote control terminal 5 for remotely monitoring and controlling the photovoltaic system;
the data transmission module 6 is used for transmitting, storing and analyzing the performance data of the photovoltaic system and ensuring the safety and confidentiality of the data;
the energy storage unit 7 is used for providing energy storage and energy guarantee for the household photovoltaic system;
the controller 8 is used for controlling the charging and discharging processes of the energy storage unit 7 to realize remote monitoring and remote control of the photovoltaic system;
the shell 1 is arranged outside photovoltaic equipment and an internal circuit, the signal output end of the solar panel 2 is connected with the signal input end of the energy storage unit 7 and the signal input end of the photovoltaic inverter 3, the signal output end of the data acquisition module 4 is connected with the signal input end of the data transmission module 6, and the remote control terminal 5 and the controller 8 are connected with the photovoltaic inverter 3, the data acquisition module 4 and the data transmission module 6 through electric signals.
Further, as shown in fig. 2, the solar panel 2 includes a solar cell 201, a silica gel frame 202, a stainless steel support 203, an aluminum junction box 204, a DC plug 205, and a calcium silicate glass 206, wherein the solar cell 201 is connected to the aluminum junction box 204 through wires, the calcium silicate glass 206 is covered on the front surface of the solar panel 2, the silica gel frame 202 and the stainless steel support 203 are on the side of the solar panel 2, the aluminum junction box 204 is connected to other devices through the DC plug 205, the solar cell 201 is used for converting solar energy into electric energy, the silica gel frame 202 and the stainless steel support 203 are used for protecting a battery assembly and a supporting assembly by constituting a mechanical supporting structure of the solar panel 2, the aluminum junction box 204 is used for converting direct current of the solar panel 2 into other forms of electric energy, and the calcium silicate glass 206 is used for waterproof, heat insulation and corrosion resistance of an external environment.
In a specific embodiment, the solar panel 2 generates current by absorbing photons in sunlight, the solar panel 2 is directly illuminated in the sunlight environment, electrons in the solar panel are caused to start moving after the photons are absorbed, when the photons are absorbed, the electrons in the solar panel are excited to transition from a valence band to a conduction band, a charge separation area is formed between the conduction band and the valence band and generate charge separation, the electrons in the solar panel after the charge separation flow from the conduction band to a negative electrode, positive holes flow to a positive electrode to generate charge flow to generate current, and the current and the voltage generated by the solar panel 2 are processed by a battery pipeline and then output to a charge controller, so that a photovoltaic data transmission device for users is supplied with power.
Further, the photovoltaic inverter 3 includes a dc input terminal 301, a filter 302, an inverter circuit 303, a control circuit 304, and an output terminal 305, the dc input terminal 301 is connected to the filter 302 through a wire, the filter 302 is connected to the inverter circuit 303 and the control circuit 304 through an electric signal, the dc input terminal 301 is used for inputting the dc power from the solar panel 2 into the photovoltaic inverter 3 for conversion, adjustment and processing, the filter 302 is used for filtering the input dc power, reducing harmonic waves and noise, and protecting the photovoltaic inverter 3, the inverter circuit 303 is used for converting the dc power into ac power and adjusting the voltage and frequency for rectification, the control circuit 304 is used for controlling the switching, protection, detection and adjustment of the inverter, and the output terminal 305 is used for outputting the converted ac power into a power grid or a load of a user.
In a specific embodiment, the electric energy generated by the solar panel 2 is input into the photovoltaic inverter 3, the photovoltaic inverter 3 converts the direct-current voltage into alternating current by adjusting the magnitude and form of the direct-current voltage, the photovoltaic inverter 3 controls the magnitude and frequency characteristics of the output current and voltage, the photovoltaic inverter 3 outputs the alternating current and carries out remote monitoring, real-time detection and fault diagnosis of the operation state of the photovoltaic system are realized, and the reliability and efficiency of the photovoltaic system are improved.
Further, as shown in fig. 3, the data acquisition module 4 includes a sensor 401, a processor 402, a memory 403 and a communication interface 404, where a signal output end of the sensor 401 is connected to a signal input end of the processor 402, a signal output end of the processor 402 is connected to a signal input end of the memory 403, the sensor 401 is used for measuring temperature, light intensity and current voltage parameters, the processor 402 is used for processing and controlling various data collected by the sensor, the memory 403 is used for storing the collected data and related system information, and the communication interface 404 is used for transmitting the collected data to a remote server or a local server for analysis and monitoring by a user.
In a specific embodiment, the data acquisition module 4 senses the illumination intensity, the output voltage and the output current parameters of the solar panel 2 by installing the sensor 401, the data acquisition module 4 performs signal conversion on the data collected by the sensor 401, converts the data into digital signals so as to facilitate subsequent processing and transmission, the data acquisition module 4 performs data calibration, filtering and amplification on the digital signals so as to improve the accuracy and the precision of the signals, the data acquisition module 4 stores the processed digital signals through a storage chip, and the acquired data is transmitted to the photovoltaic system monitoring software in a wireless or wired mode for processing and analysis.
Further, the remote control terminal 5 includes a control panel 501, a display screen 502 and a communication module 503, where the control panel 501 is connected with the display screen 502 through an electrical signal, the communication module 503 is connected with the data acquisition module 4 through an electrical signal, the control panel 501 is used for remotely controlling and monitoring the photovoltaic system, the display screen 502 is used for displaying monitoring and control information of the photovoltaic system, and the communication module 503 is used for establishing communication connection with the data acquisition module 4.
In a specific embodiment, the remote control terminal 5 is connected to the photovoltaic data transmission device of the user in a wireless or wired manner to obtain relevant data and image information of the photovoltaic power generation system, and the remote control terminal 5 monitors the electric quantity, power, voltage and current parameters of the photovoltaic power generation system and the working state and environmental conditions of the photovoltaic solar panel in real time so as to discover problems in time and take appropriate measures for processing, and the remote control terminal 5 remotely controls the on/off state of the photovoltaic power generation system, adjusts the parameters and upgrades the firmware so as to facilitate remote management and operation of the user.
Further, the data transmission module 6 includes a radio transmission unit 601, a radio reception unit 602, and a wired communication unit 603, where the radio transmission unit 601 and the radio reception unit 602 are connected to a remote server through radio waves, the wired communication unit 603 establishes a connection with the internet through a wired network, the radio transmission unit 601 is configured to transmit data from a photovoltaic system through radio waves, the radio reception unit 602 is configured to receive a command and data sent from the remote server and transmit the command and data to the photovoltaic system, and the wired communication unit 603 establishes a connection with the internet through the wired network to realize data transmission and system control.
In a specific embodiment, the data transmission module 6 acquires real-time operation data, image and video information of the photovoltaic power generation system through connection with the data acquisition module 4, the data transmission module 6 processes and encodes the acquired data to ensure the safety and reliability of the data, the data transmission module 6 transmits the processed data to a remote server in a wired or wireless mode, in the data transmission process, the data transmission module 6 monitors the data transmission state in real time and performs error detection and retransmission to ensure the integrity and accuracy of the data, and the data transmission module 6 stores the data to a data center for a user to conveniently check, analyze and manage after the transmission is completed.
Further, as shown in fig. 4, the controller 8 includes a microcontroller unit 801, a signal processing unit 802 and an equipment interface module 803, where the microcontroller unit 801 is connected to the signal processing unit 802 through an electrical signal, the signal processing unit 802 is connected to other external devices through the equipment interface module 803, the microcontroller unit 801 is used to control and manage each component of the photovoltaic system, perform various control and monitoring tasks, the signal processing unit 802 is used to process various collected signals, analyze and process the signals, and the equipment interface module 803 is used to establish connection with other external devices, so as to control and monitor the external devices.
In a specific embodiment, the controller 8 collects electric quantity, voltage, current and illumination intensity data of the photovoltaic power generation system in real time through connection with the data collection module 4, the controller 8 analyzes and processes the collected data, a control scheme is formulated according to a preset control strategy, the controller 8 automatically controls the photovoltaic power generation system through connection with the photovoltaic power generation system, the working efficiency and stability of the photovoltaic power generation system are improved, the failure rate is reduced, and sustainable development of the photovoltaic power generation system is achieved.
While specific embodiments of the present utility model have been described above, it will be understood by those skilled in the art that these specific embodiments are by way of example only, and that various omissions, substitutions, and changes in the form and details of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the utility model. For example, it is within the scope of the present utility model to combine the above-described method steps to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the utility model is limited only by the following claims.
Claims (7)
1. A household photovoltaic data transmission device is characterized in that: comprising: casing (1), solar cell panel (2), photovoltaic inverter (3), data acquisition module (4), remote control terminal (5), data transmission module (6), energy storage unit (7) and controller (8), wherein:
a housing (1) for protecting the photovoltaic device and the internal circuit;
the solar cell panel (2) is used for providing power support for the data transmission device and monitoring and controlling the charging system through a charging control function;
the photovoltaic inverter (3) is used for converting direct current generated by the solar panel (2) into alternating current and monitoring the working state of the photovoltaic power generation system;
the data acquisition module (4) is used for collecting, storing and analyzing the performance data of the photovoltaic system in real time and transmitting the data to the data transmission module (6) for further management and processing;
the remote control terminal (5) is used for remotely monitoring and controlling the photovoltaic system;
the data transmission module (6) is used for transmitting, storing and analyzing the performance data of the photovoltaic system and ensuring the safety and confidentiality of the data;
the energy storage unit (7) is used for providing energy storage and energy guarantee for the household photovoltaic system;
the controller (8) is used for controlling the charging and discharging processes of the energy storage unit (7) to realize remote monitoring and remote control of the photovoltaic system;
the solar energy power generation system is characterized in that the shell (1) is arranged outside photovoltaic equipment and an internal circuit, a signal output end of the solar cell panel (2) is connected with a signal input end of the energy storage unit (7) and a signal input end of the photovoltaic inverter (3), a signal output end of the data acquisition module (4) is connected with a signal input end of the data transmission module (6), and the remote control terminal (5) and the controller (8) are connected with the photovoltaic inverter (3), the data acquisition module (4) and the data transmission module (6) through electric signals.
2. A household photovoltaic data transmission apparatus according to claim 1, wherein: solar cell panel (2) include solar wafer (201), silica gel frame (202), stainless steel support (203), aluminium junction box (204), DC plug (205) and calcium silicate glass (206), solar cell wafer (201) pass through the electric wire connection aluminium junction box (204), calcium silicate glass (206) cover the front of solar cell panel (2), silica gel frame (202) and stainless steel support (203) are in the lateral part of solar cell panel (2), aluminium junction box (204) pass through DC plug (205) are connected with other equipment, solar cell wafer (201) are used for converting solar energy into electric energy, silica gel frame (202) and stainless steel support (203) are through constituteing solar cell panel (2) mechanical support structure protects battery pack and supporting component, aluminium junction box (204) are used for converting the direct current of solar cell panel (2) into other forms of electric energy, calcium silicate glass (206) are used for waterproof and heat-proof environment, heat-proof and outside.
3. A household photovoltaic data transmission apparatus according to claim 1, wherein: the photovoltaic inverter (3) comprises a direct current input end (301), a filter (302), an inverter circuit (303), a control circuit (304) and an output end (305), wherein the direct current input end (301) is connected with the filter (302) through wires, the filter (302) is connected with the inverter circuit (303) and the control circuit (304) through electric signals, the direct current input end (301) is used for inputting direct current from the solar panel (2) into the photovoltaic inverter (3) for conversion, adjustment and processing, the filter (302) is used for conducting filtering processing on the input direct current, reducing harmonic waves and noise and protecting the photovoltaic inverter (3), the inverter circuit (303) is used for converting the direct current into alternating current and adjusting voltage and frequency for rectification, the control circuit (304) is used for controlling switching, protection, detection and adjustment of the inverter, and the output end (305) is used for outputting the converted alternating current into a power grid or a load of a user.
4. A household photovoltaic data transmission apparatus according to claim 1, wherein: the data acquisition module (4) comprises a sensor (401), a processor (402), a memory (403) and a communication interface (404), wherein a signal output end of the sensor (401) is connected with a signal input end of the processor (402), a signal output end of the processor (402) is connected with a signal input end of the memory (403), the sensor (401) is used for measuring temperature, light intensity and current voltage parameters, the processor (402) is used for processing and controlling various data collected by the sensor, the memory (403) is used for storing the collected data and relevant system information, and the communication interface (404) is used for transmitting the collected data to a remote server or a local server so that a user can analyze and monitor the data.
5. A household photovoltaic data transmission apparatus according to claim 1, wherein: the remote control terminal (5) comprises a control panel (501), a display screen (502) and a communication module (503), wherein the control panel (501) is connected with the display screen (502) through an electric signal, the communication module (503) is connected with the data acquisition module (4) through an electric signal, the control panel (501) is used for remotely controlling and monitoring a photovoltaic system, the display screen (502) is used for displaying monitoring and control information of the photovoltaic system, and the communication module (503) is used for establishing communication connection with the data acquisition module (4).
6. A household photovoltaic data transmission apparatus according to claim 1, wherein: the data transmission module (6) comprises a radio transmission unit (601), a radio receiving unit (602) and a wire communication unit (603), wherein the radio transmission unit (601) and the radio receiving unit (602) are connected with a remote server through radio waves, the wire communication unit (603) is connected with the Internet through a wire network, the radio transmission unit (601) is used for transmitting data from a photovoltaic system through radio waves, the radio receiving unit (602) is used for receiving commands and data sent from the remote server and transmitting the commands and data to the photovoltaic system, and the wire communication unit (603) is connected with the Internet through the wire network to realize data transmission and system control.
7. A household photovoltaic data transmission apparatus according to claim 1, wherein: the controller (8) comprises a microcontroller unit (801), a signal processing unit (802) and a device interface module (803), wherein the microcontroller unit (801) is connected with the signal processing unit (802) through an electric signal, the signal processing unit (802) is connected with other external devices through the device interface module (803), the microcontroller unit (801) is used for controlling and managing each component part of the photovoltaic system to execute various control and monitoring tasks, the signal processing unit (802) is used for processing various collected signals and analyzing, analyzing and processing the signals, and the device interface module (803) is used for establishing connection with other external devices to realize control and monitoring of the external devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322458457.4U CN220730964U (en) | 2023-09-11 | 2023-09-11 | Household photovoltaic data transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322458457.4U CN220730964U (en) | 2023-09-11 | 2023-09-11 | Household photovoltaic data transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN220730964U true CN220730964U (en) | 2024-04-05 |
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Family Applications (1)
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|---|---|---|---|
| CN202322458457.4U Active CN220730964U (en) | 2023-09-11 | 2023-09-11 | Household photovoltaic data transmission device |
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| Country | Link |
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| CN (1) | CN220730964U (en) |
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2023
- 2023-09-11 CN CN202322458457.4U patent/CN220730964U/en active Active
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