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CN-121994176-A - Positioning method and device of electric energy conversion device and photovoltaic system

CN121994176ACN 121994176 ACN121994176 ACN 121994176ACN-121994176-A

Abstract

The application discloses a positioning method and device of an electric energy conversion device and a photovoltaic system, and belongs to the field of photovoltaic systems. The positioning method of the electric energy conversion device comprises the steps of obtaining at least two pieces of distance information corresponding to the electric energy conversion device to be detected, wherein the distance information is used for representing the distance between the electric energy conversion device to be detected and a target terminal, the target terminal comprises a user terminal, and determining second position information of the electric energy conversion device to be detected based on the at least two pieces of distance information and first position information of the target terminal when the target terminal obtains the distance information. The positioning method of the electric energy conversion device has higher automation degree, calculation efficiency and more accurate positioning accuracy, can realize the positioning of the electric energy conversion device without the optimizer, and has wide application scenes.

Inventors

  • LIU CHUAN

Assignees

  • 上海思格源智能科技有限公司

Dates

Publication Date
20260508
Application Date
20251212

Claims (14)

  1. 1. A method of positioning an electrical energy conversion device, comprising: Acquiring at least two distance information corresponding to an electric energy conversion device to be detected, wherein the distance information is used for representing the distance between the electric energy conversion device to be detected and a target terminal, and the target terminal comprises a user terminal; And determining second position information of the electric energy conversion device to be detected based on the at least two distance information and first position information of the target terminal when the distance information is acquired.
  2. 2. The method for positioning an electric energy conversion device according to claim 1, wherein the obtaining at least two distance information corresponding to the electric energy conversion device to be measured includes: And respectively acquiring distance information between the user terminal and the electric energy conversion device to be detected under at least two different positions, wherein the electric energy conversion device to be detected is positioned in a signal coverage range of the user terminal under the positions.
  3. 3. The method for positioning an electric energy conversion device according to claim 1, wherein the target terminal further comprises an inverter connected to the electric energy conversion device to be measured, and the obtaining at least two distance information corresponding to the electric energy conversion device to be measured comprises: And respectively acquiring distance information between the user terminal and the electric energy conversion device to be detected at any position and distance information between the inverter and the electric energy conversion device to be detected.
  4. 4. A method for positioning an electric energy conversion device according to any one of claims 1 to 3, wherein the obtaining at least two distance information corresponding to the electric energy conversion device to be measured includes: and acquiring the at least two distance information based on the transmission signals between the target terminal and the electric energy conversion device to be detected.
  5. 5. The method for locating an electric energy conversion device according to claim 4, wherein an ultra-wideband tag is arranged in the target terminal, and the transmission signal comprises an ultra-wideband tag signal and a component identifier and/or a micro-inverse identifier corresponding to the electric energy conversion device to be detected.
  6. 6. A positioning method of an electrical energy conversion device according to any one of claims 1 to 3, wherein, in a case where the electrical energy conversion device to be tested is plural, the obtaining at least two distance information corresponding to the electrical energy conversion device to be tested includes: The target terminal broadcasts first information; receiving second information sent by each electric energy conversion device to be tested, wherein the second information is sent to the target terminal by the electric energy conversion device to be tested in response to the first information; and respectively determining the distance information corresponding to each electric energy conversion device to be detected based on the second information.
  7. 7. A positioning method of a power conversion device according to any one of claims 1 to 3, wherein determining second location information of the power conversion device to be measured based on the at least two distance information and first location information of the target terminal when the distance information is acquired includes: correcting the first position information based on a positioning correction coefficient; and determining the second position information based on the at least two distance information and the corrected first position information.
  8. 8. The method for positioning a power conversion device according to claim 7, further comprising, prior to the obtaining the at least two distance information corresponding to the power conversion device to be measured: Acquiring third position information of the target terminal at a target position and real position information corresponding to the target position; and determining a positioning correction coefficient corresponding to the target terminal based on the difference degree between the third position information and the real position information.
  9. 9. A positioning method of a power conversion device according to any one of claims 1 to 3, wherein determining second location information of the power conversion device to be measured based on the at least two distance information and first location information of the target terminal when the distance information is acquired includes: Under the condition that a plurality of second position information is obtained by calculation based on the at least two distance information and the first position information of the target terminal when the distance information is obtained, the plurality of second position information is filtered based on constraint conditions to obtain target second position information, The constraint condition is set based on at least one of layout information and geographical position information of the electric energy conversion device to be tested.
  10. 10. A positioning device for an electrical energy conversion device, comprising: The first processing module is used for acquiring at least two distance information corresponding to the electric energy conversion device to be detected, wherein the distance information is used for representing the distance between the electric energy conversion device to be detected and a target terminal, and the target terminal comprises a user terminal; And the second processing module is used for determining second position information of the electric energy conversion device to be detected based on the at least two distance information and the first position information of the target terminal when the distance information is acquired.
  11. 11. A micro-inverter characterized in that it is positioned based on the positioning method of the electric energy conversion device according to any one of claims 1-9.
  12. 12. A photovoltaic system, comprising: At least one electrical energy conversion device; an inverter connected to the power conversion device; The electrical energy conversion device being positioned based on a positioning method of an electrical energy conversion device according to any one of claims 1-9.
  13. 13. A non-transitory computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements a method of positioning an electrical energy conversion device according to any one of claims 1-9.
  14. 14. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements a method of positioning a power conversion device according to any of claims 1-9.

Description

Positioning method and device of electric energy conversion device and photovoltaic system Technical Field The application belongs to the field of photovoltaic systems, and particularly relates to a positioning method and device of an electric energy conversion device and a photovoltaic system. Background The identification of the physical position of a photovoltaic module or a micro inverter of the photovoltaic system is a key basis for realizing rapid fault detection and refined management of the generated energy. In the related art, the information and the positions of the photovoltaic modules or the micro-inverters are automatically related to each other by the system identification template layout and the two-dimension codes mainly through manually shooting the position templates of the optimizers and uploading the position templates, so that the method is low in efficiency, needs to consume a large amount of time and labor cost, is not suitable for scenes such as large-scale photovoltaic power plants, is only suitable for the modules of the installed optimizers, and is limited in application scene. Disclosure of Invention The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the positioning method, the positioning device and the photovoltaic system of the electric energy conversion device have higher automation degree, higher calculation efficiency and more accurate positioning accuracy, can position the electric energy conversion device without the optimizer, and have wide application scenes. In a first aspect, the present application provides a method for positioning an electrical energy conversion device, the method comprising: Acquiring at least two distance information corresponding to an electric energy conversion device to be detected, wherein the distance information is used for representing the distance between the electric energy conversion device to be detected and a target terminal, and the target terminal comprises a user terminal; And determining second position information of the electric energy conversion device to be detected based on the at least two distance information and first position information of the target terminal when the distance information is acquired. According to the positioning method of the electric energy conversion device, at least two distance information between the target terminal and the electric energy conversion device is obtained through multiplexing the target terminal and the distance measuring module integrated in the electric energy conversion device, the electric energy conversion device is positioned by combining the first position information of the target terminal when the distance information is obtained, the operation is simple and easy to realize, the degree of automation, the calculation efficiency and the positioning accuracy are high, the positioning of the electric energy conversion device without the optimizer can be realized, and the positioning method has wide application scenes. According to an embodiment of the present application, the obtaining at least two distance information corresponding to the electric energy conversion device to be measured includes: And respectively acquiring distance information between the user terminal and the electric energy conversion device to be detected under at least two different positions, wherein the electric energy conversion device to be detected is positioned in a signal coverage range of the user terminal under the positions. According to one embodiment of the application, the target terminal further comprises an inverter connected with the electric energy conversion device to be detected, and the obtaining of at least two distance information corresponding to the electric energy conversion device to be detected comprises: And respectively acquiring distance information between the user terminal and the electric energy conversion device to be detected at any position and distance information between the inverter and the electric energy conversion device to be detected. According to an embodiment of the present application, the obtaining at least two distance information corresponding to the electric energy conversion device to be measured includes: and acquiring the at least two distance information based on the transmission signals between the target terminal and the electric energy conversion device to be detected. According to one embodiment of the application, an ultra-wideband tag is arranged in the target terminal, and the transmission signal comprises an ultra-wideband tag signal and a component identifier and/or a micro-inverse identifier corresponding to the electric energy conversion device to be detected. According to an embodiment of the present application, in a case where the number of the electric energy conversion devices to be measured is plural, the obtaining at least two distance information corresponding to the electr