CN212934368U - Photovoltaic inverter immediately winds common mode inductor - Google Patents
Photovoltaic inverter immediately winds common mode inductor Download PDFInfo
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- CN212934368U CN212934368U CN202021580225.6U CN202021580225U CN212934368U CN 212934368 U CN212934368 U CN 212934368U CN 202021580225 U CN202021580225 U CN 202021580225U CN 212934368 U CN212934368 U CN 212934368U
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Abstract
The utility model relates to a common mode inductor field indicates a photovoltaic inverter immediately winds common mode inductor especially, includes common mode inductor main part, public terminal, right angle terminal, two 2pin terminals, two female terminals, two U-shaped terminals, the common mode inductor main part is formed by magnetic core, colloid and coil combination, the right angle terminal is equipped with the spliced eye. The utility model comprises a plurality of interfaces, can be suitable for different circuits or electronic devices, and has good compatibility; meanwhile, the right-angle terminal is adopted, so that the utility model is convenient for the wiring of the circuit and saves the space; additionally, the width Wm of common mode inductor main part is not more than 22mm, the height Hm of common mode inductor main part is not more than 44mm, common mode inductor compact structure, occupation space is little.
Description
Technical Field
The utility model relates to a common mode inductor field indicates a photovoltaic inverter immediately around common mode inductor especially.
Background
A photovoltaic inverter generally comprises a class 3 inductor, an alternating current and direct current common mode inductor, a boosting inductor and a filter inductor. The boosting inductor and the filter inductor belong to the power inductor and the heating device.
The common mode inductor mainly plays a role in EMI filtering, and on one hand, the common mode inductor is required to filter interference of external common mode electromagnetism on the inverter, and on the other hand, the common mode inductor is required to inhibit the inverter from emitting electromagnetic interference outwards, so that normal work of other equipment under the power grid and the same electromagnetic environment is prevented from being influenced.
However, the conventional common mode inductor has a complex structure, few interfaces and poor compatibility, and cannot meet the requirements of the existing photovoltaic inverter.
Through retrieval, patent application No. CN201920911485.8 discloses a common mode inductor, which includes a magnetic core and two coils wound on the magnetic core, wherein the magnetic core is a closed frame-shaped structure, the two coils are arranged in parallel at two sides of the magnetic core, and the winding directions of the two coils are opposite; each coil is formed by winding a lead with a flat section, and the periphery of the lead of each coil is provided with an insulating layer; each coil comprises a main body section and two connecting sections, wherein the main body section is wound into a spiral structure layer by layer along the thickness direction of the wire, the two connecting sections extend out of two ends of the main body section, the main body section is wound on the magnetic core, and each connecting section extends out towards the same side of the magnetic core; the tail end of each connecting section, which is far away from the main body section, is provided with an end electrode which is used for being connected with an external circuit and can support the common mode inductor.
However, the common mode inductor has a single interface and poor compatibility, and cannot meet the requirements of the existing complex and variable circuits.
Disclosure of Invention
In order to solve the above problem, an object of the present invention is to provide a photovoltaic inverter is immediately around common mode inductor, common mode inductor is equipped with the right angle terminal, and the wiring of the circuit of being convenient for saves space.
Another object of the utility model is to provide a photovoltaic inverter immediately winds common mode inductor, common mode inductor includes multiple interface, can be suitable for different circuit or electron device, and is compatible good.
Another object of the utility model is to provide a photovoltaic inverter immediately winds common mode inductor, common mode inductor compact structure, occupation space is little.
In order to achieve the above object, the utility model adopts the following technical scheme:
the vertical winding common-mode inductor of the photovoltaic inverter is characterized by comprising a common-mode inductor main body, a male terminal, a right-angle terminal, two 2pin terminals, two female terminals and two U-shaped terminals, wherein the common-mode inductor main body is formed by combining a magnetic core, colloid and a coil, the coil is electrically connected with the male terminal, the right-angle terminal, the female terminals and the U-shaped terminals, and the right-angle terminal is provided with a plug hole;
the two female terminals are connected together, the male terminal is connected with the right-angle terminal, any one female terminal is connected with any one 2pin terminal, and the other 2pin terminal is connected with the male terminal;
the width Wm of the common mode inductor body is not more than 22mm, and the height Hm of the common mode inductor body is not more than 44 mm.
Further, the length L1 of the magnetic core is 24 +/-3 mm, the width W1 of the magnetic core is 8.3 +/-3 mm, and the height H1 of the magnetic core is 33 +/-3 mm.
Further, the magnetic core is equipped with the rectangular hole, the length L2 of rectangular hole is 9.8 ± 2mm, the width W2 of rectangular hole is 8.3 ± 3mm, distance H2 between the upper and lower inner walls of rectangular hole is 22.5 ± 3 mm.
Further, the common mode inductor comprises two first conducting wires which are connected together, the common end of the two first conducting wires is electrically connected with the coil, and the length K1 of the first conducting wires is 100 +/-10 mm; wherein the content of the first and second substances,
one of the first wires is connected to the male terminal, and the other of the first wires is connected to the right-angle terminal.
Further, the common mode inductor includes two second wires, two one end of second wire all is connected with female terminal, two the other end of second wire link together after with the coil is connected, the length K3 of second wire is 110 ± 10 mm.
Further, the common mode inductor comprises a third wire, one end of the third wire is connected with the U-shaped terminal, the other end of the third wire is connected with the coil, and the length K4 of the third wire is 60 +/-5 mm.
Further, common mode inductor includes two fourth wires, the length K2 of fourth wire is 40 ± 5mm, female terminal is through one the fourth wire with one 2pin terminal is connected, male terminal is through another the fourth wire with another 2pin terminal is connected.
The beneficial effects of the utility model reside in that:
the utility model comprises a common mode inductor main body, a male terminal, a right angle terminal, two 2pin terminals, two female terminals and two U-shaped terminals, wherein the common mode inductor main body is formed by combining a magnetic core, colloid and a coil, and the right angle terminal is provided with a plug hole; therefore, the utility model comprises a plurality of interfaces, can be suitable for different circuits or electronic devices, and has good compatibility; meanwhile, adopt the right angle terminal, make the utility model discloses the wiring of the circuit of being convenient for saves space.
The width Wm of common mode inductor main part is not more than 22mm, the high Hm of common mode inductor main part is not more than 44mm, common mode inductor compact structure, occupation space is little.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of another angle of the present invention.
Fig. 3 is a schematic structural diagram of the common mode inductor main body according to the present invention.
Fig. 4 is a front view of the magnetic core of the present invention.
Fig. 5 is a side view of the magnetic core of the present invention.
Fig. 6 is a schematic view of a side surface of the right-angle terminal of the present invention.
Fig. 7 is a schematic view of the application field of the present invention.
The reference numbers illustrate: 1. a female terminal; 2. a right-angle terminal; 3. a male terminal; 4.2pin terminals; a U-shaped terminal; 6. a colloid; 7. a magnetic core; 8. and (7) inserting holes.
Detailed Description
Referring to fig. 1-6, the present invention relates to a photovoltaic inverter vertical winding common mode inductor, which is characterized in that the common mode inductor includes a common mode inductor main body, a male terminal 3, a right angle terminal 2, two 2pin terminals 4, two female terminals 1, and two U-shaped terminals 5, the common mode inductor main body is formed by combining a magnetic core 7, a colloid 6, and a coil, the coil is electrically connected to the male terminal 3, the right angle terminal 2, the female terminals 1, and the U-shaped terminals 5, the right angle terminal 2 is provided with a plugging hole 8 (the right angle terminal 2 is a common contact fitting, and the structure thereof will not be described again below);
the two female terminals 1 are connected together, the male terminal 3 is connected with the right-angle terminal 2, any one female terminal 1 is connected with any one 2pin terminal 4, and the other 2pin terminal 4 is connected with the male terminal 3;
a width Wm of the common mode inductor body is not greater than 22mm, a height Hm of the common mode inductor body is not greater than 44 mm;
in the above scheme, the utility model comprises a plurality of interfaces, can be suitable for different circuits or electronic devices, and has good compatibility; meanwhile, the right-angle terminal 2 is adopted, so that the utility model is convenient for the wiring of the circuit and saves the space;
the width Wm of the common mode inductor main body of the utility model is not more than 22mm, the height Hm of the common mode inductor main body is not more than 44mm, the common mode inductor has compact structure and small occupied space;
it should be noted that the right-angle terminal 2 is provided with the inserting hole 8, when in use, the inserting hole 8 is sleeved on the binding post, or passes through the inserting hole 8 through a screw and then is connected with the nut, therefore, the utility model has the advantages that the installation is very convenient in the use process; in addition, the right-angle terminal 2 is made of metal materials, and the right-angle terminal 2 can be directly welded in a circuit during use, so that the connection is firm, the stability is good, and the compatibility is strong.
In the present embodiment, the length L1 of the magnetic core 7 is 24 ± 3mm, the width W1 of the magnetic core 7 is 8.3 ± 3mm, and the height H1 of the magnetic core 7 is 33 ± 3 mm.
In the present embodiment, the magnetic core 7 is provided with a rectangular hole, the length L2 of the rectangular hole is 9.8 ± 2mm, the width W2 of the rectangular hole is 8.3 ± 3mm, and the distance H2 between the upper and lower inner walls of the rectangular hole is 22.5 ± 3 mm.
In this embodiment, the common mode inductor includes two first conductive wires connected together, a common end of the two first conductive wires is electrically connected to the coil, and a length K1 of the first conductive wires is 100 ± 10 mm; wherein the content of the first and second substances,
one of the first wires is connected to the male terminal 3, and the other of the first wires is connected to the right-angle terminal 2.
In this embodiment, the common mode inductor includes two second wires, one end of each of the two second wires is connected to the female terminal 1, the other end of each of the two second wires is connected to the coil, and the length K3 of the second wire is 110 ± 10 mm.
In this embodiment, the common mode inductor includes a third wire, one end of which is connected to the U-shaped terminal 5, and the other end of which is connected to the coil, and the length K4 of the third wire is 60 ± 5 mm.
In this embodiment, the common mode inductor includes two fourth wires, the length K2 of the fourth wire is 40 ± 5mm, the female terminal 1 is connected to one of the 2pin terminals 4 through one of the fourth wires, and the male terminal 3 is connected to the other of the 2pin terminals 4 through the other of the fourth wires.
In the present embodiment, the dimensions of the magnetic core 7, the first wire, the second wire, the third wire, and the fourth wire are limited to meet the requirement of the photovoltaic inverter for the common mode inductor in real operation.
Fig. 7 is a schematic diagram of the application of the present invention in a photovoltaic inverter circuit, and the product EMI in fig. 6 indicates the present invention.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.
Claims (7)
1. The vertical winding common-mode inductor of the photovoltaic inverter is characterized by comprising a common-mode inductor main body, a male terminal, a right-angle terminal, two 2pin terminals, two female terminals and two U-shaped terminals, wherein the common-mode inductor main body is formed by combining a magnetic core, colloid and a coil, the coil is electrically connected with the male terminal, the right-angle terminal, the female terminals and the U-shaped terminals, and the right-angle terminal is provided with a plug hole;
the two female terminals are connected together, the male terminal is connected with the right-angle terminal, any one female terminal is connected with any one 2pin terminal, and the other 2pin terminal is connected with the male terminal;
the width Wm of the common mode inductor body is not more than 22mm, and the height Hm of the common mode inductor body is not more than 44 mm.
2. The edgewise wound common mode inductor for photovoltaic inverter as claimed in claim 1, wherein the length L1 of the magnetic core is 24 ± 3mm, the width W1 of the magnetic core is 8.3 ± 3mm, and the height H1 of the magnetic core is 33 ± 3 mm.
3. The edgewise wound photovoltaic common mode inductor according to claim 2, wherein the magnetic core is provided with a rectangular hole having a length L2 of 9.8 ± 2mm, a width W2 of 8.3 ± 3mm, and a distance H2 between upper and lower inner walls of the rectangular hole of 22.5 ± 3 mm.
4. The photovoltaic inverter edgewise common-mode inductor according to claim 3, wherein the common-mode inductor comprises two first wires connected together, a common end of the two first wires being electrically connected to the coil, a length K1 of the first wires being 100 ± 10 mm; wherein the content of the first and second substances,
one of the first wires is connected to the male terminal, and the other of the first wires is connected to the right-angle terminal.
5. The photovoltaic inverter edgewise common-mode inductor according to claim 4, wherein the common-mode inductor comprises two second wires, one end of each of the two second wires is connected to the female terminal, the other end of each of the two second wires is connected to the coil, and the length K3 of the second wires is 110 ± 10 mm.
6. A photovoltaic inverter edgewise common-mode inductor according to claim 5, characterized in that the common-mode inductor comprises a third wire, one end of which is connected to the U-shaped terminal and the other end of which is connected to the coil, the length K4 of the third wire being 60 ± 5 mm.
7. A photovoltaic inverter edgewise common-mode inductor according to claim 6, characterized in that the common-mode inductor comprises two fourth wires, the length K2 of the fourth wires being 40 ± 5mm, the female terminal being connected to one of the 2pin terminals via one of the fourth wires and the male terminal being connected to the other of the 2pin terminals via the other of the fourth wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021580225.6U CN212934368U (en) | 2020-08-03 | 2020-08-03 | Photovoltaic inverter immediately winds common mode inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021580225.6U CN212934368U (en) | 2020-08-03 | 2020-08-03 | Photovoltaic inverter immediately winds common mode inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212934368U true CN212934368U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021580225.6U Expired - Fee Related CN212934368U (en) | 2020-08-03 | 2020-08-03 | Photovoltaic inverter immediately winds common mode inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212934368U (en) |
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2020
- 2020-08-03 CN CN202021580225.6U patent/CN212934368U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |