PQ type magnetic core with long service life

Abstract

The utility model discloses a long-service-life PQ type magnetic core which comprises a magnetic core column, magnetic core plates symmetrically connected to the outer wall of the magnetic core column, magnetic core folded edges connected to the outer walls of the magnetic core plates, an extended magnetic core column arranged at the top end of the magnetic core column and extended magnetic core folded edges arranged at the top ends of the magnetic core folded edges. Wherein a first heat dissipation air channel is formed in the bottom of the magnetic core column, and the first heat dissipation air channel penetrates through the side wall of the magnetic core column; second heat dissipation air channels are evenly formed in the magnetic core folded edge and penetrate through the side wall of the magnetic core folded edge. Wherein radiating fins are uniformly fixed on the outer wall of the magnetic core folding edge, and a radiating plate is fixed at the top end of the outer wall of the magnetic core folding edge; the heat dissipation fins and the heat dissipation plates are fixed on the outer walls of the magnetic core folding edges, so that the heat dissipation effect of the magnetic core folding edges is further improved, the overall temperature of the PQ type magnetic core is reduced, and the service life of the PQ type magnetic core is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to PQ type magnetic core technical field, concretely is a long service life PQ type magnetic core. BACKGROUND

[0002] With the development of photovoltaic, energy storage, charging pile and other new energy, the output power of the whole machine equipment is also getting bigger and bigger; prompting the transformer or resonant inductor to develop towards high power density and low loss. Therefore, how to reduce the temperature rise of the transformer or resonant inductor is particularly important, therefore, how to improve the heat dissipation effect of the magnetic core is one of the important ways to reduce the temperature rise of the transformer or resonant inductor.

[0003] The existing PQ type magnetic core is mostly solid, and only the outer leakage surface of the magnetic core is used for heat dissipation, which makes it difficult for the transformer or resonant inductor to dissipate heat during high-frequency operation, ultimately leading to an overall temperature rise and loss increase of the transformer or resonant inductor, directly reducing the working efficiency of the transformer or resonant inductor, and at the same time, poor heat dissipation effect also reduces the service life of the PQ type magnetic core. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or the problems existing in the prior art, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a long service life PQ type magnetic core, when the number of turns of the coil needs to be increased, the extended magnetic core column is screwed on the magnetic core column, and the extended magnetic core flange is inserted on the magnetic core flange, then more coils are wound on the extended magnetic core column, when in use, the first heat dissipation air duct is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core column, the second heat dissipation air duct is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core flange; and the heat dissipation fins and the heat dissipation plate are fixed on the outer wall of the magnetic core flange, further increasing the heat dissipation effect of the magnetic core flange, thereby reducing the overall temperature of the PQ type magnetic core and increasing the practical service life of the PQ type magnetic core.

[0007] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0008] A long service life PQ type magnetic core comprises:

[0009] The magnetic core column, the magnetic core plate symmetrically connected to the outer wall of the magnetic core column, the magnetic core flange connected to the outer wall of the magnetic core plate, the extended magnetic core column arranged at the top end of the magnetic core column and the extended magnetic core flange arranged at the top end of the magnetic core flange;

[0010] The bottom of the magnetic core column is provided with a first heat dissipation air duct penetrating through the side wall of the magnetic core column, and the magnetic core flange is uniformly provided with a second heat dissipation air duct penetrating through the side wall of the magnetic core flange.

[0011] The outer wall of the magnetic core flange is uniformly fixed with a heat dissipation fin, and the outer wall top end of the magnetic core flange is fixed with a heat dissipation plate.

[0012] As a preferred scheme of the long-service-life PQ type magnetic core, the bottom end of the extended magnetic core column is fixed with a threaded rod, and the top end of the magnetic core column is provided with a threaded groove matched with the threaded rod.

[0013] As a preferred scheme of the long-service-life PQ type magnetic core, the bottom end of the extended magnetic core flange is uniformly fixed with a plug rod, and the top end of the magnetic core flange is uniformly provided with a plug groove matched with the plug rod.

[0014] As a preferred scheme of the long-service-life PQ type magnetic core, the inner wall of the magnetic core flange is fixed with a shielding layer.

[0015] As a preferred scheme of the long-service-life PQ type magnetic core, the top end of the extended magnetic core column is provided with a heat dissipation groove, the bottom of the heat dissipation groove is fixed with a connecting rod, and the top end of the connecting rod is fixed with a heat dissipation ball.

[0016] Compared with the prior art, the device has the beneficial effects that when the coil turns need to be increased, the extended magnetic core column is screwed on the magnetic core column, the extended magnetic core flange is inserted on the magnetic core flange, and more coils are wound on the extended magnetic core column, the first heat dissipation air duct is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core column, the second heat dissipation air duct is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core flange, the heat dissipation fin and the heat dissipation plate are fixed on the outer wall of the magnetic core flange, thereby further increasing the heat dissipation effect of the magnetic core flange, thereby reducing the overall temperature of the PQ type magnetic core and increasing the practical service life of the PQ type magnetic core. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. Among them:

[0018] Figure 1 It is a whole structure schematic diagram of the PQ type magnetic core with long service life of the present application;

[0019] Figure 2 It is a structure sectional view of the PQ type magnetic core with long service life of the present application;

[0020] Figure 3 It is a structure sectional view of the PQ type magnetic core with long service life of the present application; Figure 2 It is a local enlarged view of A. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings.

[0022] Secondly, the present application is described in detail in combination with the schematic diagram. In order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0023] In order to make the purposes, technical schemes and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the drawings.

[0024] The present application provides a PQ type magnetic core with long service life. When the number of turns of the coil needs to be increased during use of the device, the extended magnetic core column is screwed on the magnetic core column, and the extended magnetic core folded edge is inserted on the magnetic core folded edge, and then more coils are wound on the extended magnetic core column. When used, the first heat dissipation air duct is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core column, the second heat dissipation air duct is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core folded edge; and the heat dissipation fins and the heat dissipation plate are fixed on the outer wall of the magnetic core folded edge, further increasing the heat dissipation effect of the magnetic core folded edge, thereby reducing the overall temperature of the PQ type magnetic core and increasing the practical service life of the PQ type magnetic core.

[0025] Figures 1-3 It is a whole structure schematic diagram of the PQ type magnetic core with long service life of the present application, please refer to Figures 1-3The long service life PQ type magnetic core of the embodiment comprises:

[0026] The magnetic core column 1, the magnetic core plate 2 symmetrically connected to the outer wall of the magnetic core column 1, the magnetic core flange 3 connected to the outer wall of the magnetic core plate 2, the extended magnetic core column 4 arranged at the top end of the magnetic core column 1, and the extended magnetic core flange 5 arranged at the top end of the magnetic core flange 3.

[0027] The bottom of the magnetic core column 1 is provided with a first heat dissipation air duct 11, and the first heat dissipation air duct 11 penetrates the side wall of the magnetic core column 1; the magnetic core flange 3 is uniformly provided with a second heat dissipation air duct 31, and the second heat dissipation air duct 31 penetrates the side wall of the magnetic core flange 3.

[0028] The outer wall of the magnetic core flange 3 is uniformly fixed with a heat dissipation fin 32, the outer wall top end of the magnetic core flange 3 is fixed with a heat dissipation plate 33, and the inner wall of the magnetic core flange 3 is fixed with a shielding layer 34, so that the shielding layer 34 can increase the anti-interference ability.

[0029] Further, the bottom end of the extended magnetic core column 4 is fixed with a threaded rod 41, and the top end of the magnetic core column 1 is provided with a threaded groove 42 engaged with the threaded rod 41; the bottom end of the extended magnetic core flange 5 is uniformly fixed with a plug rod 51, and the top end of the magnetic core flange 3 is uniformly provided with a plug groove 52 matched with the plug rod 51; the top end of the extended magnetic core column 4 is provided with a heat dissipation groove 43, the bottom of the heat dissipation groove 43 is fixed with a connecting rod 44, and the top end of the connecting rod 44 is fixed with a heat dissipation ball 45, so that the heat dissipation groove 43, the connecting rod 44 and the heat dissipation ball 45 increase the heat dissipation capacity of the extended magnetic core column 4.

[0030] In combination with Figures 1-3 The long service life PQ type magnetic core of the embodiment is used as follows: when the number of turns of the coil needs to be increased, the extended magnetic core column 4 is screwed on the magnetic core column 1, the extended magnetic core flange 5 is inserted on the magnetic core flange 3, and more coils are wound on the extended magnetic core column 4; when used, the first heat dissipation air duct 11 is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core column 1, the second heat dissipation air duct 31 is ventilated at both ends, thereby increasing the heat dissipation effect of the magnetic core flange 3; and the heat dissipation fin 32 and the heat dissipation plate 33 are fixed on the outer wall of the magnetic core flange 3, further increasing the heat dissipation effect of the magnetic core flange 3, thereby reducing the overall temperature of the PQ type magnetic core and increasing the practical service life of the PQ type magnetic core.

[0031] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A long-life PQ core, characterized by, Include: The magnetic core column (1), the magnetic core plate (2) connected symmetrically on the outer wall of the magnetic core column (1), the magnetic core flange (3) connected on the outer wall of the magnetic core plate (2), the extension magnetic core column (4) arranged at the top of the magnetic core column (1) and the extension magnetic core flange (5) arranged at the top of the magnetic core flange (3); Wherein, the bottom of the magnetic core column (1) is provided with a first heat dissipation air duct (11), and the first heat dissipation air duct (11) penetrates the side wall of the magnetic core column (1); The second heat dissipation air duct (31) is uniformly arranged on the magnetic core flange (3), and the second heat dissipation air duct (31) penetrates the side wall of the magnetic core flange (3); Wherein, the outer wall of the magnetic core flange (3) is uniformly provided with a heat dissipation fin (32), and the outer wall of the magnetic core flange (3) is provided with a heat dissipation plate (33) at the top.

2. A long-life PQ core according to claim 1, characterized in that The bottom of the extension magnetic core column (4) is fixed with a threaded rod (41), and the top of the magnetic core column (1) is provided with a threaded groove (42) engaged with the threaded rod (41).

3. The long-life PQ core of claim 1, wherein The bottom of the extension magnetic core flange (5) is uniformly fixed with an insertion rod (51), and the top of the magnetic core flange (3) is uniformly provided with an insertion slot (52) matched with the insertion rod (51).

4. The long-life PQ core of claim 1 wherein, The inner wall of the magnetic core flange (3) is fixed with a shielding layer (34).

5. The long-life PQ core of claim 1 wherein, The top of the extension magnetic core column (4) is provided with a heat dissipation groove (43), the bottom of the heat dissipation groove (43) is fixed with a connecting rod (44), and the top of the connecting rod (44) is fixed with a heat dissipation ball (45).

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