CN214123626U

CN214123626U - Magnetic assembly and charging pile

Info

Publication number: CN214123626U
Application number: CN202022512906.5U
Authority: CN
Inventors: 许林冲; 阳岳丰; 靳培峰
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-09-03
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a magnetic component and fill electric pile, wherein magnetic component for fill electric pile, including magnetic element and setting in the magnetic element outside, and be used for the radiator to the magnetic element protection, the radiator sets up with magnetic element is insulating. In the magnetic element that this application provided, through installing magnetic element in the radiator, protect magnetic element through the radiator, reduce magnetic element to the requirement of installation environment, and then reduce magnetic element's installation environment requirement.

Description

Magnetic assembly and charging pile

Technical Field

The utility model relates to a magnetic part heat dissipation technical field, in particular to magnetic component. The utility model discloses still relate to a fill electric pile including above-mentioned magnetic component.

Background

In charging pile, magnetic elements are arranged in a charging module, and in the working process of the magnetic elements, forced air cooling is adopted to realize heat dissipation.

Because the direct electric connector of magnetic element is in exposed setting, be connected with external electricity easily or damaged by external material, need set up independent wind channel to magnetic element mounted position usually, and then probably lead to filling the wind channel of electric pile also to need to modify for magnetic element requires highly to the installation environment.

Therefore, how to reduce the requirement of the installation environment of the magnetic element is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnetic component to reduce magnetic element's installation environment requirement. Another object of the utility model is to provide an including above-mentioned magnetic component fill electric pile.

In order to achieve the above object, the utility model provides a magnetic component for fill electric pile, be in including magnetic element and setting the magnetic element outside, and be used for right the radiator of magnetic element protection, the radiator with the magnetic element is insulating to be set up.

Preferably, the heat sink includes a housing, and an element placing cavity for accommodating the magnetic element is provided in the housing.

Preferably, the heat sink further includes heat dissipation fins provided on an outer wall of the housing.

Preferably, the element placing cavity is of an open-ended trough structure.

Preferably, a slot groove for positioning the magnetic element is formed in the bottom of the element placing cavity, the magnetic element comprises a magnetic core and an insulating positioning component fixed relative to the magnetic core, and the end of the insulating positioning component is inserted into the slot groove.

Preferably, still establish including pressing from both sides the magnetic element with heat conduction insulating pad between the shell, insulating locating component includes that insulating locating strip and cover establish insulating locating plate on the magnetic core, insulating locating plate bottom with insulating locating strip card is gone into the draw-in groove, heat conduction insulating pad is located the component is placed the chamber bottom the draw-in groove encloses to close on the installation face that forms.

Preferably, the insulating positioning strip and the insulating positioning plate enclose a heat conducting pad placing cavity for placing the heat conducting insulating pad.

Preferably, the heat sink further comprises heat dissipation fins arranged on the outer wall of the housing, and the heat dissipation fins and the heat conduction insulating pads are respectively arranged on the outer side face and the inner side face of the bottom of the element placing cavity on the housing.

Preferably, the number of the insulating positioning plates is two, the clamping grooves are quadrilateral groove bodies, and the bottom ends of the two insulating positioning plates are clamped into the two groove bodies, which are opposite to each other, respectively.

Preferably, the magnetic element further comprises a cover plate matched with the opening of the element placing cavity, and the cover plate is fixedly connected with the shell.

Preferably, the cover plate is fixedly connected with one end, far away from the clamping groove, of the insulating positioning plate.

Preferably, the cover plate is detachably and fixedly connected with the shell.

Preferably, the end of the shell is provided with a stud, the cover plate is provided with a mounting hole for a threaded fastener to pass through, and the threaded fastener is in threaded connection with the stud.

Preferably, the magnetic element further comprises a coil wound on the magnetic core, an outlet of the coil penetrates through the cover plate, and an outlet head of the coil is fixed on the cover plate.

Preferably, a heat conduction pouring sealant is filled between the magnetic element and the side wall of the shell.

Preferably, the magnetic element further comprises a cover plate matched with the opening of the element placing cavity, and an introduction port for filling the heat-conducting pouring sealant is arranged on the cover plate or between the cover plate and the shell.

A charging pile comprises an air duct and a magnetic assembly arranged in the air duct, wherein the magnetic assembly is any one of the magnetic assemblies.

In the technical solution, the utility model provides a magnetic component for fill electric pile, including magnetic element and setting in the magnetic element outside, and be used for the radiator to the magnetic element protection, the radiator sets up with magnetic element is insulating.

As can be seen from the above description, in the magnetic element provided in the present application, by installing the magnetic element in the heat sink, the heat sink protects the magnetic element, so as to reduce the requirement of the magnetic element on the external installation environment, and further reduce the requirement on the installation environment of the magnetic element.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a cross-sectional view of a magnetic assembly provided in an embodiment of the present invention;

FIG. 2 is a side cross-sectional view of the magnetic assembly of FIG. 1;

fig. 3 is a top view of a housing provided by an embodiment of the present invention;

fig. 4 is a top view of a magnetic element according to an embodiment of the present invention.

Wherein in FIGS. 1-4:

1. a heat sink; 1-1, a clamping groove; 1-2, radiating fins; 1-3, a shell; 1-4, positioning holes of the shell;

2. a magnetic element; 2-1, a magnetic core; 2-2, insulating positioning plates; 2-3, winding; 2-4, insulating positioning strips; 2-5, a cover plate; 2-6, mounting holes;

3. a thermally conductive insulating pad; 4. heat conducting pouring sealant; 5. a stud.

Detailed Description

The core of the utility model is to provide a magnetic component to reduce magnetic element's the installation environment degree of difficulty. The utility model discloses an another core provides an electric pile that fills including above-mentioned magnetic component.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to fig. 4.

In a specific implementation manner, the utility model discloses the magnetic component that specific embodiment provided for fill electric pile, specifically can be used to the direct current and fill electric pile.

The magnetic component comprises a magnetic element 2 and a heat sink 1, wherein the heat sink 1 is arranged outside the magnetic element 2 and used for protecting the magnetic element 2, and the heat sink 1 and the magnetic element 2 are arranged in an insulating mode. Specifically, when the heat sink 1 is an insulating structure as a whole, the side wall of the magnetic element 2 may be attached to the side wall of the heat sink 1. The heat sink 1 may have a structure with heat dissipation holes on the side wall, and in order to improve the sealing performance, the heat sink 1 may have a sealing protection structure for sealing the magnetic core 2-1 of the magnetic element 2.

In a specific embodiment, the heat sink 1 includes a housing 1-3, and a component placing cavity for accommodating the magnetic component 2 is disposed in the housing 1-3, and specifically, the structure of the component heat dissipation cavity depends on the shape of the magnetic component 2, which is not particularly limited in this application.

In order to facilitate the placement of the magnetic element 2, the element placement chamber is preferably of an open-ended trough structure. As shown in fig. 1 and 2, the component placing cavity is a structure with an open top end and a sealed periphery. For convenience of manufacture, the housings 1-3 may preferably be of one-piece construction or may be formed separately and later assembled together.

As can be seen from the above description, in the magnetic element 2 provided in the embodiment of the present application, by installing the magnetic element 2 in the heat sink 1, the magnetic element 2 of the power conversion portion in the charging pile realizes heat dissipation by embedding the magnetic element 2 in the heat sink 1, and the heat sink 1 protects the magnetic element 2, so that the requirement of the magnetic element 2 on the external installation environment is reduced, and the requirement on the installation environment of the magnetic element 2 is further reduced.

Preferably, the heat sink 1 further includes heat radiating fins 1-2 provided on the outer wall of the housing 1-3. By arranging the radiating fins 1-2, the external surface area of the shell 1-3 is increased, and the radiating efficiency is improved. Specifically, the radiating fins 1-2 are preferably arranged at equal intervals, the radiating fins 1-2 can be of a flat plate structure or a curved plate body, in order to improve the radiating effect, preferably, the radiating fins 1-2 are of a flat plate structure, and a ventilation channel formed by two adjacent radiating fins 1-2 is parallel to the air flow direction.

Specifically, the housing 1-3 may be integrally formed with the heat dissipating fins 1-2. Of course, the housing 1-3 and the heat dissipating fins 1-2 may be separately manufactured and assembled later.

In a specific embodiment, the bottom of the component placing cavity is provided with a slot 1-1 for positioning the magnetic component 2, and specifically, the slot 1-1 may be a strip structure or a ring structure.

The magnetic element 2 comprises a magnetic core 2-1 and an insulating positioning component fixed relative to the magnetic core 2-1, and the end part of the insulating positioning component is inserted into the slot 1-1. Specifically, the insulating positioning component can be fixedly connected to the magnetic core 2-1, and in order to facilitate installation of the insulating positioning component, preferably, the insulating positioning component is of an annular structure and is sleeved on the magnetic core 2-1. Specifically, the clamping groove 1-1 is a four-side notch formed in the bottom of the groove bottom and used for positioning the insulating positioning component. The magnetic element 2 placed in the element placing cavity is convenient to limit by arranging the clamping groove 1-1.

In a specific embodiment, the magnetic assembly further comprises a heat conducting insulating pad 3 sandwiched between the magnetic element 2 and the housing 1-3, the insulating positioning assembly comprises insulating positioning strips 2-4 and an insulating positioning plate 2-2 sleeved on the magnetic core 2-1, and specifically, the insulating positioning plate 2-2 may be in clearance fit or interference fit with the magnetic core 2-1. The bottom end of the insulating positioning plate 2-2 and the insulating positioning strip 2-4 are clamped into the clamping groove 1-1, and the heat conduction insulating pad 3 is positioned on a mounting surface formed by the surrounding of the clamping groove 1-1 at the bottom end of the element placing cavity. Specifically, the number of the insulating positioning plates 2-2 can be two, the two insulating positioning plates 2-2 are arranged in parallel, and the two insulating positioning plates 2-2 are sleeved at the two ends of the magnetic core 2-1. The heat conducting insulating pad 3 is arranged between the magnetic element 2 and the heat sink 1, so that the heat exchange efficiency between the magnetic element 2 and the heat sink 1 can be improved.

The clamping groove 1-1 is a quadrilateral groove body, and the bottom ends of the two insulating positioning plates 2-2 are respectively clamped into the two groove bodies oppositely arranged in the clamping groove 1-1. The insulating positioning strips 2-4 can be fixed at the bottom of the insulating positioning plate 2-2, and the bottom edges of the insulating positioning strips 2-4 are flush with the bottom end of the insulating positioning plate 2-2.

In order to prevent foreign matters from entering the position of the heat conducting insulating pad 3, the insulating positioning strips 2-4 and the insulating positioning plates 2-2 preferably enclose a heat conducting pad placing cavity for placing the heat conducting insulating pad 3. Specifically, the insulating positioning plate 2-2 and the insulating positioning strip 2-4 can form a quadrilateral positioning frame for limiting the heat-conducting insulating pad 3.

In order to improve the heat dissipation effect, the heat dissipation fins 1-2 and the heat conductive insulating pad 3 are preferably provided on the outer side surface and the inner side surface of the bottom of the component placement chamber on the housing 1-3, respectively. Specifically, as shown in fig. 2, the heat dissipation fins 1-2 are located directly below the thermally conductive insulating pad 3.

In one embodiment, the magnetic element 2 further comprises a cover plate 2-5 adapted to the opening of the element placing cavity, and the cover plate 2-5 is fixedly connected with the housing 1-3. The cover plate 2-5 can be connected with the shell 1-3 in a bonding and welding mode, and particularly, the cover plate 2-5 can plug the opening of the component placing cavity or leave a gap with the opening of the component placing cavity on the shell 1-3.

In order to facilitate disassembly and assembly and maintenance, preferably, the cover plate 2-5 is fixedly connected with one end, far away from the clamping groove 1-1, of the insulating positioning plate 2-2. Specifically, the insulating positioning plate 2-2 can be mounted on the cover plate 2-5 by means of bonding, screwing and the like.

Preferably, the cover plate 2-5 is detachably and fixedly connected with the housing 1-3. Specifically, the cover plate 2-5 and the housing 1-3 may be connected by a snap. In another specific embodiment, a stud 5 is installed at the end of the shell 1-3, a mounting hole 2-6 for a threaded fastener to pass through is formed in the cover plate 2-5, and the threaded fastener is in threaded connection with the stud 5. The shell 1-3 is connected with the cover plate 2-5 through a stud 5, and the stud 5 plays a role in fixing, and simultaneously ensures that the magnetic element 2 can tightly press the heat-conducting insulating pad 3 at the bottom of the shell, so that the contact area of the heat-radiating surface of the shell is ensured.

Specifically, four mounting holes 2-6 are respectively formed in four corners of the cover plate 2-5, and a user can fixedly mount the magnetic element 2 and the shell, specifically, the stud can go deep into the mounting holes 2-6 of the cover plate 2-5.

During assembly, one end of the stud 5 is fixed on the four shell positioning holes 1-4 on the upper surface of the shell 1-3, and the other end of the stud is used for fixing the cover plate 2-5, namely the mounting hole 2-6 is coaxially arranged with the shell positioning holes 1-4 and used for fixing the magnetic element 2.

In one embodiment, the magnetic element 2 further comprises a coil 2-3 wound on the magnetic core 2-1, wherein an outlet wire of the coil passes through the cover plate 2-5, and an outlet end of the coil 2-3 is fixed on the cover plate 2-5. Specifically, the wire outlet head is clamped on the cover plate 2-5, and a hole body structure for the wire outlet head to pass through is arranged on the cover plate 2-5.

Further, a heat conducting pouring sealant 4 is filled between the magnetic element 2 and the side wall of the shell 1-3. Pouring sealant is poured between the shell 1-3 and the magnetic element 2, so that heat in the magnetic element 2 is better guided into the shell 1-3, and heat dissipation is completed through the heat dissipation fins 1-2 on the outer surface of the shell.

Preferably, a heat conducting pouring sealant 4 is arranged on the side wall of the magnetic element 2, which is positioned at the opening of the element placing cavity. As shown in fig. 1 and 2, a heat conducting potting adhesive 4 is also disposed on the top of the magnetic element 2.

In an embodiment, an inlet for filling the heat-conducting potting adhesive 4 is provided between the cover plate 2-5 and the housing 1-3, or the inlet is provided on the cover plate 2-5. The heat-conducting pouring sealant 4 can be used as an introducing port through a gap between adjacent studs 5. This application sets up limit structure respectively on magnetic element 2 and radiator 1, when the completion is spacing to heat conduction insulating pad 3, guarantees that the unable pouring of casting glue influences its heat conduction effect in heat conduction insulating pad 3 department.

The shell 1-3 adopts a cavity structure, and the magnetic element 2 is put in from the opening of the cavity for glue filling treatment. The heat-conducting pouring sealant 4 in the cavity plays a role in heat conduction and insulation, and the magnetic element 2 is subjected to potting treatment, so that the overall protection level of the system is improved conveniently.

When the magnetic component is assembled, the heat-conducting insulating pad 3 is arranged at the bottom of the inner cavity of the shell and is clamped between the magnetic core 2-1 and the bottom surface inside the shell 1-3, and is inserted into the clamping groove 1-1 at the bottom of the shell 1-3 to realize limiting through the positioning frame formed by the insulating positioning plate 2-2 and the insulating positioning strip 2-4, and meanwhile, the heat-conducting effect of the heat-conducting insulating pad 3 can be prevented from being influenced by pouring of pouring sealant into the heat-conducting insulating pad 3, so that the heat in the magnetic core 2-1 is better guided into the shell 1-3 and is radiated through the radiating fins 1-2 on the outer surface of the shell.

The application provides a fill electric pile includes the wind channel and installs the magnetic component in the wind channel, and wherein magnetic component is any kind of magnetic component of above-mentioned. The foregoing describes a specific structure of a magnetic assembly, and the present application includes the above magnetic assembly, which also has the above technical effects.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a magnetic component for fill electric pile, characterized in that, including magnetic element (2) and set up in the magnetic element (2) outside, and be used for to radiator (1) of magnetic element (2) protection, radiator (1) with magnetic element (2) insulation sets up.

2. The magnetic assembly according to claim 1, characterized in that the heat sink (1) comprises a housing (1-3), in which housing (1-3) an element placement cavity is provided for accommodating the magnetic element (2).

3. The magnetic assembly according to claim 2, wherein the heat sink (1) further comprises heat dissipating fins (1-2) provided on an outer wall of the housing (1-3).

4. The magnetic assembly of claim 2, wherein the element receiving cavity is an open ended slot structure.

5. The magnetic assembly according to claim 4, characterized in that the bottom of the component placement cavity is provided with a slot (1-1) for positioning the magnetic component (2), the magnetic component (2) comprising a magnetic core (2-1), an insulating positioning assembly fixed with respect to the magnetic core (2-1), the end of the insulating positioning assembly being inserted into the slot (1-1).

6. The magnetic component according to claim 5, further comprising a heat conducting insulating pad (3) sandwiched between the magnetic element (2) and the housing (1-3), wherein the insulating positioning component comprises insulating positioning strips (2-4) and insulating positioning plates (2-2) sleeved on the magnetic core (2-1), the bottom ends of the insulating positioning plates (2-2) and the insulating positioning strips (2-4) are clamped into the clamping grooves (1-1), and the heat conducting insulating pad (3) is located on a mounting surface formed by enclosing the clamping grooves (1-1) at the bottom end of the element placing cavity.

7. The magnetic assembly according to claim 6, wherein the insulating positioning strips (2-4) and the insulating positioning plates (2-2) enclose a heat conducting pad placing cavity for placing the heat conducting insulating pad (3).

8. The magnetic assembly according to claim 6, wherein the heat sink (1) further comprises heat dissipation fins (1-2) disposed on the outer wall of the housing (1-3), the heat dissipation fins (1-2) and the heat conductive insulating pad (3) being disposed on the outer side and the inner side of the bottom of the component placement cavity on the housing (1-3), respectively.

9. The magnetic assembly according to claim 6, wherein the number of the insulating positioning plates (2-2) is two, the clamping groove (1-1) is a quadrilateral groove body, and the bottom ends of the two insulating positioning plates (2-2) are respectively clamped into the two groove bodies of the clamping groove (1-1) which are oppositely arranged.

10. The magnetic assembly according to claim 6, characterized in that the magnetic element (2) further comprises a cover plate (2-5) adapted to the element placement cavity opening, the cover plate (2-5) being fixedly connected to the housing (1-3).

11. The magnetic assembly according to claim 10, wherein the cover plate (2-5) is fixedly connected with one end of the insulating positioning plate (2-2) far away from the clamping groove (1-1).

12. The magnet assembly according to claim 10, wherein the cover plate (2-5) is detachably fixedly connected to the housing (1-3).

13. The magnetic assembly according to claim 12, wherein a stud (5) is mounted at the end of the housing (1-3), and a mounting hole (2-6) for a threaded fastener to pass through is formed in the cover plate (2-5), and the threaded fastener is in threaded connection with the stud (5).

14. The magnetic assembly according to claim 10, characterized in that the magnetic element (2) further comprises a coil (2-3) wound on the magnetic core (2-1), the outgoing line of the coil (2-3) passes through the cover plate (2-5), and the outgoing line end of the coil (2-3) is fixed on the cover plate (2-5).

15. The magnetic assembly according to any of claims 2 to 9, characterized in that a heat conducting potting compound (4) is filled between the magnetic element (2) and the side walls of the housing (1-3).

16. The magnetic assembly according to claim 15, wherein the magnetic element (2) further comprises a cover plate (2-5) adapted to the opening of the element placing cavity, and an inlet for filling the heat conducting potting adhesive (4) is provided on the cover plate (2-5) or between the cover plate (2-5) and the housing (1-3).

17. The magnetic assembly according to any one of claims 10 to 14, characterized in that a heat conducting potting compound (4) is filled between the magnetic element (2) and the side walls of the housing (1-3).

18. The magnetic assembly according to claim 17, wherein an inlet for filling the heat-conducting potting compound (4) is provided on the cover plate (2-5) or between the cover plate (2-5) and the housing (1-3).

19. A charging pile comprising an air duct and a magnetic assembly mounted in the air duct, wherein the magnetic assembly is as claimed in any one of claims 1 to 18.