Inductor assembly and inverter comprising same

Abstract

The utility model discloses an inductor assembly and an inverter comprising the same, the inductor assembly comprises an inductor shell and an inductor, the inductor assembly also comprises a skeleton and a tongue piece, the outer side of the inductor shell is provided with fins, and the inductor, the skeleton and the tongue piece are arranged in the inductor shell; the tongue piece penetrates through the window of the inductor, and the tongue piece is matched with the outline of the inductor winding of the adjacent tongue piece; the top end of the framework is provided with a pin supporting notch, the lowest position of the pin supporting notch is higher than the upper end face of the inductor shell, and a pin frame of the inductor is arranged on the pin supporting notch. According to the inductor assembly and the inverter comprising the same, the tongue piece and the fins are arranged inside and outside the inductor shell respectively, so that the heat dissipation performance of an inductor is improved; the framework is provided with a pin supporting notch, and the lowest position is higher than the upper end face of the inductor shell, so that the operability of the inductor assembly is improved; and the assembly efficiency is high, and the waterproof performance is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy, in particular to an inductor component and an inverter comprising the same. Background Art

[0002] With the widespread application of inverters in new energy fields such as photovoltaics and energy storage, the performance and reliability requirements of their internal inductor components are increasing. The inductor shell is a key component that protects and assists the work of the inductor. The existing design has certain limitations in heat dissipation, installation convenience, and wiring. This may not only affect the assembly efficiency, but also the life of the inductor, thereby causing inductor failure and the inverter to fail to work. Utility Model Content

[0003] The purpose of the utility model is to provide an inductor component and an inverter containing the same in order to solve the above-mentioned problem.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] Firstly, the utility model discloses an inductor component, including an inductor shell and an inductor, and also including a frame and a tongue. A fin is provided on the outer side of the inductor shell, and the inductor, the frame and the tongue are arranged in the inductor shell; the tongue passes through the window of the inductor, and the tongue matches the contour of the inductor winding adjacent to the tongue; a pin support notch is provided on the top of the frame, the lowest position of the pin support notch is higher than the upper end surface of the inductor shell, and the pins of the inductor are mounted on the pin support notch.

[0006] Furthermore, it also includes a cable tie, and the frame is provided with a wiring fixing hole. The cable tie passes through the wiring fixing hole to fix the pins of the inductor.

[0007] Furthermore, the inductor housing includes four side surfaces and a bottom surface, and fins are provided on the outer sides of each of the side surfaces and the bottom surface.

[0008] Furthermore, the direction of the fins is consistent with the direction of airflow passing through the fins.

[0009] Furthermore, the inductor includes a magnetic core, a winding and the pin; the winding is wound around the magnetic core, and the portion of the winding extending out of the magnetic core is the pin.

[0010] Furthermore, the magnetic core includes a first magnetic core and a second magnetic core that are arranged opposite to each other, and the winding includes a first winding and a second winding that are connected to each other, and the first winding and the second winding are respectively wound around the first magnetic core and the second magnetic core.

[0011] Furthermore, the bottom of the tongue piece is fixed on the inner surface of the bottom surface.

[0012] Furthermore, the inductor shell is provided with a positioning column and a fastening hole.

[0013] Furthermore, a waterproof groove is provided on the inductor shell, and the waterproof groove is communicated with the positions of the positioning column and the fastening hole.

[0014] Secondly, the utility model also discloses an inverter, comprising the aforementioned inductor component.

[0015] The beneficial effects of the utility model include but are not limited to:

[0016] 1. The tongue is set inside the inductor shell and the fin is set outside to improve the heat dissipation performance of the inductor;

[0017] 2. Pin support notches and wiring fixing holes are set on the frame to improve the operability of the inductor component;

[0018] 3. The inductor shell is equipped with positioning posts to improve the assembly efficiency of the inductor components.

[0019] 4. Prevent water from entering the inductor shell by setting a waterproof groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of an inductor component of the utility model;

[0021] Figure 2 This utility model Figure 1 A three-dimensional diagram of the inductor shell in FIG.

[0022] Figure 3 This utility model Figure 1 A three-dimensional diagram of the inductor in;

[0023] Figure 4 This utility model Figure 1 A stereogram of the skeleton in

[0024] Figure 5 This utility model Figure 1 A stereogram of the tongue in FIG.

[0025] Figure 6 This is an external disassembly diagram of an inverter of the utility model;

[0026] Figure 7 This is an internal view of an inverter of the present utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Inductor shell; 10. Partition; 11. First side; 12. Second side; 13. Third side; 14. Fourth side; 15. Bottom; 16. Positioning column; 17. Fastening hole; 18. Tongue; 19. Fin; 2. Cable tie; 3. Inductor; 31. Magnetic core; 311. First magnetic core; 312. Second magnetic core; 32. Winding; 321. First winding; 322. Second winding; 33. Pin; 34. Window; 4. Frame; 41. Wiring fixing hole; 42. Pin support notch; 5. Waterproof groove; 6. Inverter; 61. Shell; 611. Opening; 20. Inductor assembly. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings:

[0030] like Figure 1 - Figure 5 As shown, an inductor component 20 includes an inductor shell 1, an inductor 3, a frame 4, and a tongue 18. A fin 19 is provided on the outside of the inductor shell 1, and the inductor 3, the frame 4, and the tongue 18 are arranged in the inductor shell 1; the tongue 18 passes through the window 34 of the inductor 3; a pin support notch 42 is provided at the top of the frame 4, and the pin 33 of the inductor 3 is mounted on the pin support notch 42. The pin support notch 42 is used to support the pin 33 of the inductor 3 to facilitate wiring.

[0031] like Figure 1 - Figure 5 As shown, the utility model also discloses the following more optimized specific structures:

[0032] In one embodiment, the inductor assembly 20 further includes a cable tie 2 , and a wiring fixing hole 41 is provided on the frame 4 . The cable tie 2 passes through the wiring fixing hole 41 to fix the pins 33 of the inductor 3 .

[0033] In one embodiment, the inductor shell 1 includes a first side surface 11, a second side surface 12, a third side surface 13, a fourth side surface 14 and a bottom surface 15; the first side surface 11, the second side surface 12, the third side surface 13, and the fourth side surface 14 are connected in sequence and enclosed together with the bottom surface 15 to form the inductor shell 1; a fin 19 is provided on the outer side of at least one of the first side surface 11, the second side surface 12, the third side surface 13, the fourth side surface 14 and the bottom surface 15; in one embodiment, the direction of the fin 19 is consistent with the direction of the airflow passing through the fin 19.

[0034] In one embodiment, fins 19 are provided on the outer side of the first side 11, the outer side of the second side 12, the outer side of the third side 13, the outer side of the fourth side 14 and the outer side of the bottom surface 15. The fins 19 on the outer side of the first side 11 and the fins 19 on the outer side of the third side 13 are in the same direction, and the fins 19 on the outer side of the second side 12 and the fins 19 on the outer side of the fourth side 14 are in the same direction. In another embodiment, the fins 19 on the outer side of the first side 11 and the fins 19 on the outer side of the third side 13 are in the first direction, and the fins 19 on the outer side of the second side 12 and the fins 19 on the outer side of the fourth side 14 are in the second direction, and the first direction is perpendicular to the second direction. Fins 19 are provided on the outer side of the inductor shell 1, and the tongue 18 can be used to improve the heat dissipation performance of the inductor shell 1 and prevent the inductor 3 from aging due to poor heat dissipation.

[0035] In one embodiment, the inductor 3 includes a magnetic core 31, a winding 32 and a pin 33; wherein the winding 32 is wound around the magnetic core 31, and the portion of the winding 32 extending out of the magnetic core 31 is the pin 33;

[0036] In one embodiment, the winding 32 includes two parts, namely a first winding 321 and a second winding 322; the first winding 321 and the second winding 322 are connected to each other and are respectively wound around the first magnetic core 311 and the second magnetic core 312 of the magnetic core 31 (the first winding 321 is wound around the first magnetic core 311, and the second winding 322 is wound around the second magnetic core 312). It can be understood that the first magnetic core 311 and the second magnetic core 312 can be a section of the magnetic core 31 respectively; in one embodiment, the lengths of the first winding 321 and the second winding 322 are equal, and the first magnetic core 311 and the second magnetic core 312 are arranged relatively to each other.

[0037] In one embodiment, the magnetic core 31 is annular, and the first winding 321 and the second winding 322 are respectively wound on the left and right halves of the annular magnetic core; in another embodiment, the magnetic core 31 is in the shape of a U-shape, and the first winding 321 and the second winding 322 are respectively wound on the magnetic core on the left and right sides of the U-shape; and so on.

[0038] In one embodiment, Figure 5 As shown, the longitudinal section of the tongue 18 is in the shape of a "human", the upper portion of the tongue 18 passes through the window 34 of the inductor 3 (between the first winding 321 and the second winding 322), and the lower left and lower right portions of the tongue 18 are located under the winding 32, that is, the lower left portion of the tongue 18 is located under the first winding 321, and the lower right portion of the tongue 18 is located under the second winding 322. Since the tongue 18 is as close to the winding 32 of the inductor 3 as possible, the heat dissipation of the inductor 3 can be maximized, thereby improving the heat dissipation performance of the inductor.

[0039] In other embodiments, the tongue 18 may be of other shapes; it is understandable that the tongue 18 matches the contour of the winding 32 adjacent to it (the tongue 18), so that the tongue 18 is close to / near / adjacent to / contacting the winding 32 with as large an area as possible (to the maximum extent), thereby achieving a better heat dissipation effect for the inductor 3.

[0040] In one embodiment, the bottom of the tongue piece 18 is fixed to the inner surface of the bottom surface 15 of the inductor housing 1 , for example, the two are fixed by fasteners such as screws, or can be integrally formed.

[0041] In one embodiment, the lowest position of the pin support notch 42 of the frame 4 is higher than the upper end surface of the inductor shell 1 to facilitate the routing of the pins 33 of the inductor 3 .

[0042] In one embodiment, a fastening hole 17 is provided on the inductor shell 1, and the inductor shell 1 can be fixed to other components (such as the housing) of the inverter by passing fasteners such as screws through the fastening holes 17, that is, the inductor assembly 20 is fixed to other components (such as the housing) of the inverter; more specifically, a fastening hole 17 is provided on the upper end surface of the inductor shell 1 at a position extending inward / outward, and other components of the inverter (such as the housing) are located above the inductor shell 1. Fasteners such as screws pass through other components (such as the housing) from top to bottom and are then tightened into the fastening holes 17, so that the other components (such as the housing) and the inductor shell 1 are fixed together.

[0043] In one embodiment, a positioning column 16 is provided on the inductor shell 1, and the positioning column 16 is used to position the inductor shell 1 and other components such as a shell, so as to facilitate the fastening (fixing) of the inductor shell 1 and improve the assembly efficiency of the inductor assembly; more specifically, a positioning column 16 is provided at a position where the upper end surface of the inductor shell 1 extends inwardly / outwardly, and other components of the inverter (such as the shell) are located above the inductor shell 1, and positioning holes corresponding to the positioning column 16 are provided on the other components (such as the shell), and the positioning column 16 is inserted into the positioning hole to achieve the positioning of the inductor shell 1.

[0044] It can be understood that the positions of the positioning column 16 and the fastening hole 17 can also be other positions on the inductor housing 1, as long as the positioning and fastening (fixing) of the inductor housing 1 can be achieved.

[0045] In one embodiment, when there are multiple inductors 3 , a partition 10 is further provided in the inductor housing 1 . The partition 10 is located between two inductors 3 and is used to separate different inductors 3 to reduce mutual interference.

[0046] In one embodiment, the inductor housing 1 is provided with a waterproof groove 5, which is connected to the position where the positioning column 16 is located and the position where the fastening hole 17 is located, and the waterproof groove 5 is used to prevent water from entering the interior of the inductor housing 1. More specifically, when the upper end surface of the inductor housing 1 is provided with a positioning column 16 and / or a fastening hole 17 at a position extending inwardly / outwardly, the upper end surface of the inductor housing 1 is provided with a waterproof groove 5, and when water flows along the positioning column 16 and / or the fastening hole 17 onto the inductor housing 1, due to the presence of the waterproof groove 5, the water will flow into the waterproof groove 5 instead of the interior of the inductor housing 1.

[0047] In one embodiment, a waterproof groove 5 is provided at the upper end of the inductor shell 1, and a sealing strip (not shown in the figure) is provided in the waterproof groove 5. When the inductor shell 1 is fixed on other components of the inverter (such as the housing), the upper end of the inductor shell 1 and the other components of the inverter (such as the housing) are squeezed. Due to the presence of the sealing strip, water cannot enter the interior of the inductor shell 1, thereby achieving a waterproof effect.

[0048] like Figure 6-Figure 7 As shown, the utility model further discloses an inverter 6 , comprising the aforementioned inductor component 20 .

[0049] In one embodiment, the inverter further includes a shell 61, which is provided with an opening 611, and the opening 611 corresponds to the opening of the inductor shell 1. The inductor assembly 20 can be positioned by the positioning column 16 and the corresponding positioning hole on the shell 61, and then the shell 61 and the inductor shell 1 are fixed together by fasteners such as screws (for example, a through hole is provided at a position corresponding to the fastening hole 17 of the shell 61, and the fastener such as a screw passes through the through hole and is screwed into the fastening hole 17), thereby fixing the shell 61 and the inductor assembly 20 together; wherein, the pin 33 enters the shell 61 of the inverter 6 after passing through the opening 611, and is connected to the corresponding circuit (not shown in the figure) of the inverter 6.

[0050] The inductor assembly 20 of the utility model and the inverter 6 including the same, by arranging a tongue piece 18 inside the inductor shell 1 and arranging a fin 19 outside, the cooperation of the two greatly improves the heat dissipation performance of the inductor; by arranging a pin support notch 42 and a wiring fixing hole 41 on the frame 4, the operability of the inductor assembly is improved; by adding a positioning column 16 on the inductor shell 1, the assembly efficiency of the inductor assembly is improved; by arranging a waterproof groove, water is prevented from entering the inductor shell 1.

[0051] Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. An inductor assembly, comprising an inductor shell and an inductor, characterized in that: It also includes a frame and a tongue, wherein a fin is arranged on the outside of the inductor shell, and the inductor, the frame and the tongue are arranged in the inductor shell; the tongue passes through the window of the inductor, and the tongue matches the contour of the inductor winding adjacent to the tongue; a pin support notch is arranged on the top of the frame, the lowest position of the pin support notch is higher than the upper end surface of the inductor shell, and the pins of the inductor are mounted on the pin support notch.

2. The inductor assembly according to claim 1, characterized in that: It also includes a cable tie, and the frame is provided with a wiring fixing hole. The cable tie passes through the wiring fixing hole to tie and fix the pins of the inductor.

3. The inductor assembly according to claim 1, characterized in that: The inductor housing comprises four side surfaces and a bottom surface, and the fins are arranged on the outer sides of each of the side surfaces and the bottom surface.

4. An inductor assembly according to any one of claims 1 to 3, characterized in that: The direction of the fins is consistent with the direction of the airflow passing through the fins.

5. The inductor assembly according to claim 4, characterized in that: The inductor comprises a magnetic core, a winding wire and the pins; the winding wire is wound around the magnetic core, and the portion of the winding wire extending out of the magnetic core is the pin.

6. The inductor assembly according to claim 5, characterized in that: The magnetic core includes a first magnetic core and a second magnetic core that are arranged opposite to each other, and the winding includes a first winding and a second winding that are connected to each other, and the first winding and the second winding are respectively wound around the first magnetic core and the second magnetic core.

7. The inductor assembly according to claim 3, characterized in that: The bottom of the tongue piece is fixed on the inner surface of the bottom surface.

8. The inductor assembly according to claim 1, characterized in that: The inductor shell is provided with a positioning column and a fastening hole.

9. The inductor assembly according to claim 8, characterized in that: The inductor shell is provided with a waterproof groove, and the waterproof groove is communicated with the positions of the positioning column and the fastening hole.

10. An inverter, characterized in that: The inductor assembly comprises the inductor assembly described in any one of claims 1 to 9.

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