CN-122026797-A - Photovoltaic optimizer with adjustable

CN122026797ACN 122026797 ACN122026797 ACN 122026797ACN-122026797-A

Abstract

The invention relates to the technical field of installation of photovoltaic optimizers, in particular to an adjustable photovoltaic optimizer, which comprises an optimizer main body, wherein four wires are arranged at the bottom of the optimizer main body; the four stress display components are all arranged below the optimizer main body, the top of each stress display component is provided with a wire control positioning component, each stress display component comprises a display ring, wires are arranged on the inner side of each display ring, a plurality of uniformly distributed first sockets are arranged on the inner side wall of each display ring, a plurality of uniformly distributed second sockets are arranged on the outer side wall of each display ring, an assembly cavity is arranged inside each display ring, the display is arranged in each assembly cavity, and a plurality of firing components are arranged between the wires and the inner side wall of each display ring. When the electric wire is pulled, an operator can immediately judge whether the pulling force possibly damages the electric wire by observing the quantity of the display cloth extruded from the second socket, and when the follow-up inspection and maintenance of the photovoltaic optimizer are carried out, the photovoltaic optimizer with hidden danger can be directly positioned at the first time.

Inventors

WANG SHUAIJIE
GAO QINGZHONG
ZHANG XUEYAN
GUAN XIN
LIU SHU
GUO RUI
CHEN LIN
QU BO
WANG DIANMING

Assignees

沈阳工程学院

Dates

Publication Date: 20260512
Application Date: 20240226

Claims (10)

1. An adjustable photovoltaic optimizer, characterized by comprising the following steps: The device comprises an optimizer main body, wherein four wires are arranged at the bottom of the optimizer main body; The four stress display assemblies are arranged below the optimizer main body and correspond to the four electric wires one by one, and the top of each stress display assembly is provided with a wire control and position adjustment assembly; The stress display assembly comprises: The electric wire is arranged on the inner side of the display ring, a gap exists between the electric wire and the display ring, a plurality of uniformly distributed first jacks are arranged on the inner side wall of the display ring, a plurality of uniformly distributed second jacks are arranged on the outer side wall of the display ring, and the positions of the plurality of second jacks are in one-to-one correspondence with the positions of the plurality of first jacks; the display cloth is provided with an assembly cavity in the display ring, and the display cloth is arranged in the assembly cavity; The firing assemblies are arranged between the electric wires and the inner side walls of the display rings and are annularly and uniformly distributed, and the positions of the firing assemblies are in one-to-one correspondence with the positions of the first sockets.
2. The adjustable photovoltaic optimizer of claim 1, wherein the display ring comprises an inner housing and an outer housing, the first socket is provided on the inner housing, the second socket is provided on the outer housing, the inner housing and the outer housing surround to form the assembly cavity, a partition plate is provided in the assembly cavity, the partition plate is fixedly connected with the inner housing and is lower than the first socket in position, the partition plate divides the interior of the assembly cavity into a first chamber and a second chamber, and the first chamber is located above the second chamber.
3. The adjustable photovoltaic optimizer of claim 2, wherein the display ring is frustoconical and the diameter of the top portion is smaller than the diameter of the bottom portion.
4. The adjustable photovoltaic optimizer of claim 3, wherein the display is arranged in the first chamber, the display cloth is annular cloth, a plurality of folding parts protruding towards one side of the outer shell are arranged on the display cloth, the positions of the folding parts are in one-to-one correspondence with the positions of the second jacks, the width of the folding parts is larger than that of the second jacks, a plurality of limiting clamps are arranged on the top surface of the partition plate and are annularly and uniformly distributed, and the limiting clamps are arranged on one side of the display cloth close to the outer shell and are located between two adjacent folding parts.
5. The adjustable photovoltaic optimizer of claim 3, wherein the firing assembly comprises: the firing plate is an arc-shaped plate, and the top of the firing plate is hinged with the top of the inner side wall of the display ring; The inserting plate is fixedly arranged on the side wall of the firing plate, which faces one side of the display ring, and the position of the inserting plate corresponds to the position of the first inserting opening; And the buffer protection assembly is arranged between the electric wire and the firing plate.
6. The adjustable photovoltaic optimizer of claim 5, wherein the insert plate is positioned on top of the firing plate and has a length less than the firing plate, and wherein the top and bottom surfaces of the insert plate are both sloped downward.
7. The adjustable photovoltaic optimizer of claim 5, wherein grooves are formed in side walls on two sides of the inserting plate, the end, away from the firing plate, of the inserting plate is rounded, a limiting bent rod is arranged in the first cavity and located on two sides of the first socket, the limiting bent rods are elastic rods, first end portions of the two limiting bent rods are fixedly connected with the inner shell, and the distance between second end portions of the two limiting bent rods is smaller than the thickness of the inserting plate.
8. The tunable photovoltaic optimizer of claim 5, wherein the buffer shield assembly comprises: The buffer plate is in clearance with the firing plate, and the top of the buffer plate is hinged with the top of the inner side wall of the display ring; The two guard plates are arranged at the bottoms of the side walls of the buffer plate, which face one side of the display ring, and are respectively positioned at two sides of the firing plate, and a gap exists between the guard plates and the firing plate; The two springs are arranged at the bottoms of the side walls of the buffer plate facing the side of the display ring and are respectively located at two sides of the guard plate away from the side of the firing plate, a plurality of through holes are formed in the bottom of the inner shell, the positions of the through holes correspond to the positions of the springs, the through holes are communicated with the second cavity and are fixedly connected with the buffer plate, and the second ends of the springs penetrate through the through holes and extend into the second cavity and are fixedly connected with the outer shell.
9. The tunable photovoltaic optimizer of claim 1, wherein the control line positioning assembly comprises: The electric wire is arranged on the inner side of the positioning ring, a clamping cavity is formed in the positioning ring, four uniformly distributed connecting columns are arranged on the top surface of the positioning ring, and two ends of each connecting column are fixedly connected with the optimizer main body and the positioning ring respectively; The two wire clamps are arranged in the clamping cavity, and the structures of the two wire clamps are mirror symmetry; Four interval adjusters are arranged between the positioning ring and the display ring and are annularly and uniformly distributed.
10. The tunable photovoltaic optimizer of claim 9, wherein the wire clamp comprises: The inner side wall of the arc-shaped clamping plate is provided with a plurality of teeth; the pushing plate is fixedly arranged on the outer side wall of the arc-shaped clamping plate, a through groove is formed in the side wall of the positioning ring, the pushing plate is arranged in the through groove and can slide along the inner wall of the through groove, the length of the pushing plate is larger than the depth of the through groove, and the pushing plate is detachably connected with the positioning ring; the pitch adjuster includes: The first positioning plate is an L-shaped plate and is fixedly connected with the positioning ring, and a plurality of first connecting holes which are uniformly distributed from top to bottom are formed in the first positioning plate; The first locating plate is a Z-shaped plate, the second locating plate is fixedly connected with the display ring, a plurality of second connecting holes which are uniformly distributed from top to bottom are formed in the second locating plate, and the second locating plate is detachably connected with the first locating plate.

Description

Photovoltaic optimizer with adjustable Technical Field The invention relates to the technical field of installation of photovoltaic optimizers, in particular to an adjustable photovoltaic optimizer. Background The solar photovoltaic cell is a device for directly converting sunlight radiation energy into electric energy, and the photovoltaic module is formed by connecting a plurality of photovoltaic cells in series-parallel connection and is a basic unit in a photovoltaic power generation system. The photovoltaic optimizer is a key device for introducing electric energy generated by a solar photovoltaic cell into a power supply system, and is used for solving the problem of reduced generated energy of the photovoltaic system caused by shadow shielding, component orientation difference or component attenuation inconsistency, realizing maximum power output and on-line monitoring of a single component and improving system efficiency. The photovoltaic optimizer needs to be installed on a support on the back of the photovoltaic module, and wiring is needed after the photovoltaic optimizer is installed. Two groups of four wires are arranged at the bottom of the photovoltaic optimizer, wherein two wires are used for being connected with the output end of the photovoltaic module, and the other two wires are used for being connected with the adjacent photovoltaic optimizer or the inverter. When in wiring, as the distance between the output end of the photovoltaic module and each photovoltaic optimizer is not fixed, the position of the electric wire at the bottom of the photovoltaic optimizer needs to be adjusted by pulling first, and then the butt joint of the male connector and the female connector at the tail end of the electric wire is carried out. In the process, if the electric wire is forced to be pulled violently, the electric wire is easy to damage, and the most easily damaged position is the position where the electric wire is connected with the bottom of the photovoltaic optimizer. The whole pulling process is completed instantaneously, so that the time consumption is short, and the wire itself has certain elasticity and cannot keep the form of the pulling moment. The operator can not judge immediately whether the pulling force is likely to cause damage to the electric wire, and when the follow-up inspection and maintenance of the photovoltaic optimizer are carried out, the photovoltaic optimizer with hidden danger can not be directly positioned at the first time. Disclosure of Invention The invention aims to provide an adjustable photovoltaic optimizer, when an electric wire is pulled, a firing assembly can extrude a part of display cloth from a second socket, an operator can immediately judge whether the pulling force possibly damages the electric wire by observing the quantity of the display cloth extruded from the second socket, and when the inspection and maintenance of the photovoltaic optimizer are carried out later, the photovoltaic optimizer with hidden danger can be directly positioned at the first time. The adjustable photovoltaic optimizer comprises an optimizer main body, four stress display assemblies, a display cloth and a plurality of firing assemblies, wherein four electric wires are arranged at the bottom of the optimizer main body, the four stress display assemblies are arranged below the optimizer main body and correspond to the positions of the four electric wires one by one, the top of each stress display assembly is provided with a wire control positioning assembly, the stress display assemblies comprise display rings, the electric wires are arranged on the inner sides of the display rings, gaps exist between the electric wires and the display rings, a plurality of first jacks which are uniformly distributed are arranged on the inner side walls of the display rings, a plurality of second jacks which are uniformly distributed are arranged on the outer side walls of the display rings, the positions of the plurality of second jacks correspond to the positions of the plurality of first jacks one by one, the display cloth is arranged inside the display rings and is arranged in the assembly cavity, and the plurality of firing assemblies are arranged between the electric wires and the inner side walls of the display rings and are uniformly distributed in a ring shape, and the positions of the firing assemblies correspond to the positions of the first jacks one by one. Preferably, the display ring comprises an inner shell and an outer shell, the first socket is arranged on the inner shell, the second socket is arranged on the outer shell, the inner shell and the outer shell surround to form an assembly cavity, a partition plate is arranged in the assembly cavity and fixedly connected with the display ring, the position of the partition plate is lower than that of the first socket, the partition plate divides the interior of the assembly cavity into a first cavity and a second cavity, and the