Array type light storage device

By introducing an adapter structure into the array photovoltaic power generation device, the problem of complex connection between photovoltaic panels and inverters is solved, fast and neat wire connection is achieved, and the power quality and system stability are improved through filtering circuits and detection modules.

CN223334643UActive Publication Date: 2025-09-12ZHEJIANG XINNENG PHOTOVOLTAIC TECH CO LTD
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Patent Information

Application Number
CN202422407883.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-09-12
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

In existing array-type photovoltaic power generation devices, the wiring connections between photovoltaic panels and inverters are complex and numerous, resulting in inconvenient connections and low efficiency.

Method used

The adapter structure includes a main body, a copper bar, a conductive sheet, a bolt and a cover plate. The output wires of the photovoltaic panel are fixed by rotating the bolts and screwing them into the screw holes, and the conductive sheets of multiple adapters are electrically connected through connecting wires, which simplifies the connection process.

Benefits of technology

It achieves fast and neat connection between photovoltaic panels and inverters, improves connection efficiency, ensures power quality through filtering circuits and filtering detection modules, and improves system stability and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an array type light storage device, which comprises an adapter. The adapter comprises a body, a plurality of copper bars, conducting strips and a plurality of bolts, gathering grooves are formed in the upper surface and the lower surface of the body, conduction grooves are formed in the groove bottoms of the gathering grooves, and mounting grooves are formed in the side faces of the body; the copper bar penetrates through the mounting groove, a through hole is formed in the central axis of the copper bar in a penetrating mode, and a screw hole communicated with the through hole is formed in the copper bar; the conducting strip is arranged at the groove bottom of the gathering groove; and the bolt penetrates through the conducting strip, penetrates through the conducting groove and is in threaded connection with the screw hole. Output wires of the photovoltaic panel are respectively inserted into the through holes and output electric energy through the copper bars, the bolts and the conducting strips. The copper bar penetrates through the body, and photovoltaic panel output wires with the same polarity can be inserted into the through holes in the two ends of the copper bar. The two sides of the body can be electrically connected with the photovoltaic panel, and the connection number is increased. As the bolts are screwed with the screw holes through rotation, and the output leads of the photovoltaic panel are fixed in the through holes, the connection is faster, and the connection and installation time is saved.
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Description

Technical Field

[0001] The utility model belongs to the technical field related to photovoltaic power generation, and specifically relates to an array type light storage device. Background Art

[0002] Photovoltaic panels generate electricity under sunlight. The current and voltage that a single photovoltaic panel can supply are not very large, so they are generally not used alone. During use, individual modules are packaged in series and parallel to form a photovoltaic power generation component module group, and a photovoltaic array is obtained through a series of connection combinations. Generally, several photovoltaic panels are connected to an inverter and converted into alternating current. The low-voltage electricity is converted into a suitable voltage through a transformer. After passing through a filter circuit, the noise is removed. However, existing photovoltaic power generation devices have shortcomings. The wire connection between the array photovoltaic panel and the inverter is complicated, and the number of wires that need to be connected is large. There is a lack of suitable devices to quickly and neatly connect the wires. In short, existing array-type solar storage devices cannot quickly and neatly connect the wires on the photovoltaic panels. Utility Model Content

[0003] In response to one or more of the above-mentioned defects or improvement needs of the prior art, the present invention provides an array-type optical storage device to solve the problem mentioned in the background technology section that the wires cannot be connected neatly and quickly due to the large number of wires and complex connections.

[0004] An array-type photovoltaic storage device includes an array-type photovoltaic panel, an adapter, an inverter, a transformer and an electrical device. The array-type photovoltaic panel is electrically connected to the inverter through the adapter, the output end of the inverter is electrically connected to the transformer, and the transformer is electrically connected to the electrical device; the adapter includes a body, a plurality of copper bars, a conductive sheet, a plurality of bolts, a cover plate and a pin shaft. The upper and lower surfaces of the body are provided with a collecting groove, the bottom of the collecting groove is provided with a conducting groove, and the side of the body is provided with a mounting groove; the copper bar passes through the mounting groove, and a through hole is provided through the central axis of the copper bar, and the copper bar is provided with a screw hole connected to the through hole; the conductive sheet is provided at the bottom of the collecting groove; the bolt passes through the conductive sheet, passes through the conducting groove and is screwed to the screw hole; one end of the cover plate is hinged to the side wall of the collecting groove by the pin shaft, and the side of the other end is connected to a protrusion, and the side wall of the collecting groove is provided with a groove corresponding to the protrusion.

[0005] As a further improvement of the present invention, there are two adapters, and the conductive sheets of the two adapters are electrically connected via connecting wires.

[0006] As a further improvement of the present invention, the input end of the inverter is electrically connected to a battery via a battery management module; and the output end of the adapter is connected in series with a diode.

[0007] As a further improvement of the present invention, a first capacitor is connected in parallel to the input end of the inverter.

[0008] As a further improvement of the present invention, a second capacitor is connected in parallel to the output end of the transformer, and an inductor is connected in series to the output end of the transformer; the second capacitor and the inductor form a filter circuit.

[0009] As a further improvement of the present invention, a switch is connected in series to one end of the second capacitor. A filter detection module is connected to the input end of the electrical device.

[0010] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0011] In general, the above technical solutions conceived by the present invention have the following beneficial effects compared with the prior art:

[0012] (1) The array-type photovoltaic storage device of the present invention is used for the electrical connection between the array-type photovoltaic panel and the inverter by correspondingly setting an adapter. The output wires of the photovoltaic panel are respectively inserted into a through hole and output through the copper bar, bolt and conductive sheet. The conductive sheet is electrically connected to the inverter. A conductive sheet is provided on the upper and lower surfaces of the body, serving as the positive and negative poles respectively. The copper bar runs through the body, and the through holes at both ends of the copper bar can be inserted with the output wires of the photovoltaic panel with the same polarity. Both sides of the body can be electrically connected to the photovoltaic panel, which increases the number of connections. Since the output wires of the photovoltaic panel are fixed in the through hole by rotating the bolt and screwing it into the screw hole, the connection is faster and the time for connection and installation is saved. By rotating the cover plate around the pin shaft, the protrusion is docked with the groove. The cover plate is closed on the notch of the collecting groove to protect the conductive sheet.

[0013] (2) The array-type photovoltaic storage device of the present invention electrically connects the conductive plates of the two adapters through connecting wires. This allows for the electrical connection of more photovoltaic panel output wires, resulting in higher connection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the array type optical storage device in the embodiment of the utility model;

[0015] Figure 2 yes Figure 1 Schematic diagram of the three-dimensional structure of the transfer seat;

[0016] Figure 3 yes Figure 1 Schematic diagram of the structure of the transfer socket;

[0017] Figure 4 It is a structural diagram of two adapters used together.

[0018] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. Array photovoltaic panel; 2. Adapter; 3. Battery management module; 4. Battery; 5. First capacitor; 6. Inverter; 7. Transformer; 8. Inductor; 9. Second capacitor; 10. Switch; 11. Filter detection module; 12. Diode; 13. Electrical equipment; 21. Cover; 22. Body; 23. Mounting groove; 24. Copper bar; 25. Collection groove; 26. Conductive sheet; 27. Bolt; 28. Protrusion; 29. ​​Groove; 30. Pin; 31. Through hole; 32. Conductive groove; 33. Connecting wire; 34. Screw hole. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0021] The array type optical storage device in the preferred embodiment of the present utility model is as follows Figures 1 to 4 As shown in the figure, an array type photovoltaic storage device includes an array type photovoltaic panel 1, an adapter 2, an inverter 6, a transformer 7 and an electrical device 13. The array type photovoltaic panel 1 is electrically connected to the inverter 6 through the adapter 2, the output end of the inverter 6 is electrically connected to the transformer 7, and the transformer 7 is electrically connected to the electrical device 13; the adapter 2 includes a body 22, a plurality of copper bars 24, a conductive sheet 26, a plurality of bolts 27, a cover plate 21 and a pin 30. The upper and lower surfaces of the body 22 are provided with a collection groove 25, and the bottom of the collection groove 25 is provided with a conduction groove 32 The side of the body 22 is provided with a mounting slot 23; a copper bar 24 extends through the mounting slot 23, and a through hole 31 is provided along the central axis of the copper bar 24. The copper bar 24 is provided with a screw hole 34 connected to the through hole 31; a conductive sheet 26 is provided at the bottom of the collecting slot 25; a bolt 27 extends through the conductive sheet 26, passes through the conductive slot 32, and is screwed to the screw hole 34; one end of the cover 21 is hinged to the side wall of the collecting slot 25 via a pin 30, and the other end is connected to the side of the cover 21. A groove 29 corresponding to the groove 28 is provided on the side wall of the collecting slot 25. Preferably, the transformer 7 is an adjustable transformer 7.

[0022] The array-type photovoltaic storage device of the present invention features an adapter 2 for electrically connecting the array photovoltaic panel 1 to the inverter 6. The photovoltaic panel's output wires are each inserted into a through-hole 31 and output an electromotive force through a copper bar 24, a bolt 27, and a conductive sheet 26. The conductive sheet 26 is electrically connected to the inverter 6. Conductive sheets 26 are provided on both the upper and lower surfaces of the main body 22, serving as the positive and negative electrodes, respectively. The copper bar 24 extends through the main body 22, and through-holes 31 at both ends of the copper bar 24 accommodate photovoltaic panel output wires of the same polarity. Both sides of the main body 22 can be electrically connected to the photovoltaic panel, increasing the number of connections. Because the photovoltaic panel's output wires are fixed in the through-holes 31 by rotating the bolts 27 and screwing them into the screw holes 34, connection is faster, saving installation time. The cover plate 21 is rotated about the pin 30, allowing the protrusion 28 to engage the groove 29. The cover plate 21 is placed over the notch of the collecting slot 25, protecting the conductive sheet 26 and preventing electrical leakage.

[0023] Furthermore, there are two adapters 2, and the conductive plates 26 of the two adapters 2 are electrically connected via connecting wires 33. The array-type photovoltaic storage device of the present invention electrically connects the conductive plates 26 of the two adapters 2 via connecting wires 33. Two adapters 2 used in parallel can electrically connect more photovoltaic panel output wires. The connection efficiency is higher. The present invention is not limited to this, and more adapters 2 can be electrically connected via connecting wires 33 to access more photovoltaic panel output wires.

[0024] Furthermore, the input of the inverter 6 is electrically connected to a battery 4 via a battery management module 3; a diode 12 is connected in series to the output of the adapter 2. Battery 4 stores excess energy generated by the photovoltaic panels. When power consumption is high and the output voltage is low, battery 4 discharges to power the inverter 6. Diode 12 restricts the flow of current, preventing energy from the battery 4 from flowing through the adapter 2 to the photovoltaic panels.

[0025] Furthermore, a first capacitor 5 is connected in parallel to the input end of the inverter 6. The first capacitor 5 makes the voltage input to the inverter 6 more stable, thereby protecting the array-type solar storage device from running safely and stably.

[0026] Although a current in phase with the industrial frequency is obtained, harmonics are inevitably generated when the inverter 6 is running. If these high-order, distorted harmonics are not filtered out, they will be directly injected into the power grid, causing adverse effects on the quality of electric energy, increasing the additional losses of the grid components and the electrical equipment 13, and greatly reducing the efficiency of power generation and transmission. More serious consequences will lead to insulation failure of the relay and mechanical vibration of the rotating equipment. Furthermore, a second capacitor 9 is connected in parallel to the output end of the transformer 7, and an inductor 8 is connected in series to the output end of the transformer 7; the second capacitor 9 and the inductor 8 form a filter circuit. As the last link for the photovoltaic power generation system to access the electrical equipment 13, the filter is used to eliminate harmful harmonics and ultimately obtain high-quality filtered AC power.

[0027] Furthermore, a switch 10 is connected in series to one end of the second capacitor 9. A filter detection module 11 is connected to the input end of the electrical device 13. The filter detection module 11 is used to detect whether there are harmonics in the AC power at the input end of the electrical device and determine the effectiveness of the filter circuit.

[0028] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.

[0029] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. An array photovoltaic storage device, comprising an array photovoltaic panel, an adapter, an inverter, a transformer, and an electrical device, wherein the array photovoltaic panel is electrically connected to the inverter via the adapter, the output end of the inverter is electrically connected to the transformer, and the transformer is electrically connected to the electrical device; characterized in that: The adapter includes a main body, several copper bars, conductive sheets, several bolts, a cover plate and a pin shaft. The upper and lower surfaces of the main body are provided with a collecting groove, the bottom of the collecting groove is provided with a conducting groove, and the side of the main body is provided with a mounting groove; the copper bar passes through the mounting groove, and a through hole is provided through the central axis of the copper bar, and a screw hole connected to the through hole is provided on the copper bar; the conductive sheet is provided at the bottom of the collecting groove; the bolt passes through the conductive sheet, passes through the conducting groove and is screwed to the screw hole; one end of the cover plate is hinged to the side wall of the collecting groove through the pin shaft, and the side of the other end is connected with a protrusion, and the side wall of the collecting groove is provided with a groove corresponding to the protrusion.

2. The array type optical storage device according to claim 1, characterized in that: There are two adapters, and the conductive sheets of the two adapters are electrically connected via connecting wires.

3. The array type optical storage device according to claim 2, characterized in that: The input end of the inverter is electrically connected to a battery through a battery management module; the output end of the adapter is connected in series with a diode.

4. The array type optical storage device according to claim 3, characterized in that: A first capacitor is connected in parallel to the input end of the inverter.

5. The array type optical storage device according to claim 4, characterized in that: A second capacitor is connected in parallel to the output end of the transformer, and an inductor is connected in series to the output end of the transformer; the second capacitor and the inductor form a filter circuit.

6. The array type optical storage device according to claim 5, characterized in that: One end of the second capacitor is connected in series with a switch.