CN216649326U

CN216649326U - Miniature photovoltaic inverter with built-in Wi-Fi monitoring communication module

Info

Publication number: CN216649326U
Application number: CN202123046547.XU
Authority: CN
Inventors: 黄杰
Original assignee: Ningbo Huahe New Energy Technology Co ltd
Current assignee: Ningbo Huahe New Energy Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-31
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a miniature photovoltaic inverter with a built-in Wi-Fi monitoring communication module, wherein a metal shell is arranged on one side of the inverter and is rectangular, a state lamp is arranged on one side of the metal shell, an LED lamp bead is arranged in the state lamp, direct current access ends are respectively arranged on two sides of the metal shell, the LED lamp bead is electrically connected with the direct current access ends, and one end of each direct current access end is connected with a direct current access positive electrode and a direct current access negative electrode; the wireless data acquisition module is embedded into the inverter by the aid of the Wi-Fi wireless data acquisition module, the Wi-Fi signal transmission antenna is arranged on the left side of the metal shell, the antenna is connected into the Wi-Fi wireless data acquisition module in the inverter, the module in the running state acquires and records the generated energy, the working state and the alarm fault data of the inverter, and the data are transmitted to the communication service platform through the Wi-Fi network so that a user can check the data at any time and any place.

Description

Miniature photovoltaic inverter with built-in Wi-Fi monitoring communication module

Technical Field

The utility model relates to the technical field of miniature photovoltaic inverters, in particular to a miniature photovoltaic inverter with a built-in Wi-Fi monitoring communication module.

Background

The miniature photovoltaic inverter is a small power conversion device for converting direct current of a solar photovoltaic module into alternating current. Compared with the traditional photovoltaic inverter system, the miniature photovoltaic inverter system adopts a mode of connecting each photovoltaic module in parallel with a power grid, carries out independent inversion on each module, can carry out independent MPPT control on each photovoltaic module, can greatly improve the overall power generation efficiency of the solar photovoltaic system, and can avoid the defects of poor power generation efficiency, barrel effect and the like under the conditions of direct current high voltage and weak light of the traditional inverter; the monitoring system of the micro photovoltaic inverter can monitor the running states of voltage, current, generated energy and the like of each photovoltaic module in a photovoltaic power station and check alarm faults through a computer or a mobile terminal, and accordingly remote fault troubleshooting and operation and maintenance are achieved.

The mainstream micro inverter in the current market mostly adopts an additional data collector device to collect the running data of the micro inverter, wherein, one part of the data collector device is communicated with the collecting device by using an RS485 data line, and the wiring and the configuration are troublesome, thereby increasing the purchase cost of a user end and being not convenient for installation and operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a miniature photovoltaic inverter with a built-in Wi-Fi monitoring communication module, which is free from external collector configuration by arranging the miniature photovoltaic inverter with the Wi-Fi monitoring communication module, and avoids the problems of complex wiring and cost.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a built-in Wi-Fi control communication module's miniature photovoltaic inverter, includes metal casing, one side at the dc-to-ac converter is installed to metal casing, metal casing is the rectangle setting, one side of metal casing is provided with the status light, the inside of status light is provided with LED lamp pearl, metal casing's both sides are provided with the direct current incoming end respectively, LED lamp pearl and direct current incoming end electric connection, the one end of direct current incoming end is connected with the direct current and inserts positive negative pole, metal casing's both sides limit is provided with alternating current output respectively, one side of alternating current output is provided with three core alternating current output lines, alternating current output and three core alternating current output line electric connection, other one side of metal casing is provided with the data acquisition subassembly.

Preferably, the data acquisition assembly comprises a Wi-Fi signal transmission antenna, the signal transmission antenna is fixed to the other side of the metal shell, the transmission antenna is electrically connected with a Wi-Fi wireless data acquisition module, and the Wi-Fi wireless data acquisition module is located inside the inverter.

Preferably, the two side edges of the metal shell are respectively provided with an integrally formed convex block, the number of the convex blocks is three, and mounting holes for fixing the bolts and the external support are formed in one side of each of the three convex blocks.

Preferably, three of the mounting holes are respectively located at three corners of the metal shell, and the transmission antenna is located at the other corner.

Preferably, two three-core alternating current output lines's one end is fixed with binding post respectively, binding post includes the contact pin.

Preferably, the contact pin is connected with the alternating current output end in an inserting mode, an insulating sleeve is arranged at the joint of the contact pin and the wiring terminal, and the insulating sleeve is sleeved on the outer wall of the wiring terminal.

Compared with the prior art, the utility model has the beneficial effects that:

the data transmission of the inverter data acquisition module and the Wi-Fi router is realized by embedding an antenna in the machine body, the inverter data acquisition module is integrated in the metal shell of the miniature photovoltaic inverter, the data acquisition module is a Wi-Fi remote communication interface, data can be accessed through a Wi-Fi point-to-point/remote Server, a Web Server sets parameters, and a wireless network remotely updates firmware. Therefore, the micro photovoltaic inverter can access data without any external data acquisition device, reduces the monitoring hardware cost of the inverter, and is more convenient to install and operate while ensuring the efficient and stable operation of the system.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a side view of the present invention;

fig. 4 is a schematic structural diagram of a transmission antenna of the present invention.

In the figure: 1. a metal housing; 2. mounting holes; 3. a status light; 4. a direct current access terminal; 5. an alternating current output end; 6. LED lamp beads; 7. a transmission antenna; 8. a data acquisition module; 9. a three-core AC output line; 10. a wiring terminal; 11. inserting a pin; 13. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a miniature photovoltaic inverter with a built-in Wi-Fi monitoring communication module comprises a metal shell 1, wherein the metal shell 1 is installed on one side of the inverter, the metal shell 1 is arranged in a rectangular shape, a state lamp 3 is arranged on one side of the metal shell 1, an LED lamp bead 6 is arranged inside the state lamp 3, direct current access ends 4 are respectively arranged on two sides of the metal shell 1, the LED lamp bead 6 is electrically connected with the direct current access ends 4, one end of each direct current access end 4 is connected with a direct current access positive electrode and a direct current access negative electrode, alternating current output ends 5 are respectively arranged on two side edges of the metal shell 1, a three-core alternating current output line 9 is arranged on one side of each alternating current output end 5, the alternating current output ends 5 are electrically connected with the three-core alternating current output line 9, and a data acquisition assembly is arranged on the other side of the metal shell 1;

the data acquisition assembly comprises a Wi-Fi signal transmission antenna 7, the signal transmission antenna 7 is fixed on the other side of the metal shell 1, the transmission antenna 7 is electrically connected with a Wi-Fi wireless data acquisition module 8, the Wi-Fi wireless data acquisition module 8 is located inside the inverter, the generated energy, the working state and the alarm fault data of the inverter are acquired and recorded by arranging the Wi-Fi wireless data acquisition module 8, and the data are transmitted to the communication service platform through a Wi-Fi network so that a user can check the data at any time and any place;

two sides of the metal shell 1 are respectively provided with an integrally formed convex block 13, the convex blocks 13 are three, one side of each of the three convex blocks 13 is provided with a mounting hole 2 for fixing a bolt and an external bracket, and the metal shell 1 is convenient to mount with the external bracket by arranging the mounting holes 2;

the three mounting holes 2 are respectively positioned at three corners of the metal shell 1, and the transmission antenna 7 is positioned at the other corner;

one end of each of the two three-core alternating current output lines 9 is respectively fixed with a wiring terminal 10, and each wiring terminal 10 comprises a contact pin 11;

the contact pin 11 is inserted into the alternating current output end 5, an insulating sleeve is arranged at the joint of the contact pin 11 and the wiring terminal 10, the insulating sleeve is sleeved on the outer wall of the wiring terminal 10, and the wiring terminal 10 is protected by the insulating sleeve;

when the wireless data acquisition system is used, the mounting hole 2 of the metal shell 1 is connected with external equipment through screws, the embedded Wi-Fi wireless data acquisition module 8 acquires and records the generated energy, the working state and the alarm fault data of the inverter, and transmits the data to the communication service platform through a Wi-Fi network.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a miniature photovoltaic inverter of built-in Wi-Fi control communication module, includes metal casing (1), its characterized in that: one side at the dc-to-ac converter is installed in metal casing (1), metal casing (1) is the rectangle setting, one side of metal casing (1) is provided with status light (3), the inside of status light (3) is provided with LED lamp pearl (6), the both sides of metal casing (1) are provided with direct current incoming end (4) respectively, LED lamp pearl (6) and direct current incoming end (4) electric connection, the one end of direct current incoming end (4) is connected with direct current and inserts positive negative pole, the both sides limit of metal casing (1) is provided with alternating current output end (5) respectively, one side of alternating current output end (5) is provided with three-core alternating current output line (9), alternating current output end (5) and three-core alternating current output line (9) electric connection, other one side of metal casing (1) is provided with the data acquisition subassembly.

2. The miniature photovoltaic inverter with the built-in Wi-Fi monitoring communication module as claimed in claim 1, wherein: the data acquisition assembly comprises a Wi-Fi signal transmission antenna (7), the signal transmission antenna (7) is fixed to the other side of the metal shell (1), the transmission antenna (7) is electrically connected with a Wi-Fi wireless data acquisition module (8), and the Wi-Fi wireless data acquisition module (8) is located inside the inverter.

3. The miniature photovoltaic inverter with the built-in Wi-Fi monitoring communication module as claimed in claim 2, wherein: the two side edges of the metal shell (1) are respectively provided with a convex block (13) which is integrally formed, the number of the convex blocks (13) is three, and mounting holes (2) for fixing bolts and an external support are formed in one side of each convex block (13).

4. The miniature photovoltaic inverter with the built-in Wi-Fi monitoring communication module as claimed in claim 3, wherein: the three mounting holes (2) are respectively positioned at three corners of the metal shell (1), and the transmission antenna (7) is positioned at the other corner.

5. The miniature photovoltaic inverter with the built-in Wi-Fi monitoring communication module as claimed in claim 4, wherein: two three core alternating current output line (9)'s one end is fixed with binding post (10) respectively, binding post (10) include contact pin (11).

6. The miniature photovoltaic inverter with the built-in Wi-Fi monitoring communication module according to claim 5, characterized in that: the plug pin (11) is connected with the alternating current output end (5) in an inserting mode, an insulating sleeve is arranged at the joint of the plug pin (11) and the wiring terminal (10), and the insulating sleeve is sleeved on the outer wall of the wiring terminal (10).