CN214043369U

CN214043369U - Inductor of hard coupling

Info

Publication number: CN214043369U
Application number: CN202022704907.XU
Authority: CN
Inventors: 肖俊承; 王一龙; 赵楠楠
Original assignee: Eaglerise Electric and Electronic China Co Ltd; Foshan Shunde Eaglerise Electric Power Technology Co Ltd; Jian Eaglerise Electric Co Ltd
Current assignee: Eaglerise Electric and Electronic China Co Ltd; Foshan Shunde Eaglerise Electric Power Technology Co Ltd; Jian Eaglerise Electric Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-24
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a hard-connected inductor, which comprises a magnetic core group, a coil, an incoming line interface, an outgoing line interface, an incoming line copper bar and an outgoing line copper bar; the magnetic core group comprises two end magnetic cores and a plurality of magnetic core columns which are parallel to each other, and all the magnetic core columns are arranged between the two end magnetic cores and form a magnetic circuit; the outer surface of each magnetic core column is wound with a coil, all the coils are wound by the same conducting wire, and all the coils form a coil group; the wire inlet interface is arranged at the wire inlet end of the coil group, the wire outlet interface is arranged at the wire outlet end of the coil group, the wire inlet end of the coil group is in hard connection with one end of the wire inlet copper bar through the wire inlet interface, and the wire outlet end of the coil group is in hard connection with one end of the wire outlet copper bar through the wire outlet interface; the other end of the incoming line copper bar and the other end of the outgoing line copper bar both extend towards the direction far away from the coil group. The inductor of hard coupling has solved the inlet wire of inductor and has been qualified for the next round of competitions and the high problem of the equipment connection degree of difficulty, has still solved the current-carrying capacity of ordinary connected mode and has hanged not convenient for radiating problem.

Description

Inductor of hard coupling

Technical Field

The utility model relates to an inductance components and parts technical field, especially an inductor of hard connection.

Background

An inductor is a component that can convert electrical energy into magnetic energy for storage. The inductor is formed by assembling a coil and an iron core, wherein the coil is connected in series and in parallel. The series coil is widely applied to a solar photovoltaic inverter, a charging pile, a UPS and an energy storage device boosting and inverting circuit, and is used for boosting the choke coil and improving the power factor. In the prior art, the incoming line and the outgoing line of the inductor are directly electrically connected with equipment, the position of the incoming line and the outgoing line is difficult to align when the inductor is installed due to the position limitation of the incoming line and the outgoing line, and the inductor is low in current-carrying capacity and not convenient to dissipate heat.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide a inductor of hard connection has solved the inlet wire of inductor and has been qualified for the next round of competitions and the high problem of the external equipment connection degree of difficulty, and it is low still to have solved ordinary connected mode current-carrying capacity, the radiating problem of being not convenient for.

To achieve the purpose, the utility model adopts the following technical proposal: a hard-connected inductor comprises a magnetic core group, a coil, an incoming line interface, an outgoing line interface, an incoming line copper bar and an outgoing line copper bar;

the magnetic core group comprises two end magnetic cores and a plurality of magnetic core columns which are parallel to each other, and all the magnetic core columns are arranged between the two end magnetic cores and form a magnetic circuit;

the outer surface of each magnetic core column is wound with a coil, all the coils are wound by the same conducting wire, and all the coils form a coil group;

the wire inlet interface is arranged at a wire inlet end of the coil group, the wire outlet interface is arranged at a wire outlet end of the coil group, the wire inlet end of the coil group is in hard connection with one end of the wire inlet copper bar through the wire inlet interface, and the wire outlet end of the coil group is in hard connection with one end of the wire outlet copper bar through the wire outlet interface;

the other end of the incoming line copper bar and the other end of the outgoing line copper bar extend towards the direction far away from the coil group.

It is worth mentioning that the magnetic core set comprises two magnetic core columns, and the magnetic core columns are of a square structure.

For example, the magnetic core group magnetic core device further comprises an insulating framework, wherein the insulating framework comprises an insulating partition plate, and the insulating partition plate is arranged between the coil and the magnetic core group.

It is worth mentioning that the magnetic core further comprises an aluminum shell, and the magnetic core group is arranged in the aluminum shell.

Optionally, the outer surface of the aluminum shell is provided with a plurality of mutually parallel heat dissipation fins.

The insulating framework further comprises an insulating grid plate, and the insulating grid plate is arranged between the end magnetic core and the aluminum shell.

Preferably, the wire is a flat wire.

Specifically, the opening of the aluminum housing is filled with a potting adhesive.

The utility model has the advantages that: the inlet wire copper bar is connected with external equipment, the inlet wire copper bar can guide the inlet wire of inductor to the place that the installer made things convenient for the wiring, and the leading-out terminal of coil group passes through the outlet wire copper bar is connected with external equipment, the outlet wire copper bar can guide the outlet wire of inductor to the place that the installer made things convenient for the wiring to position restriction when having avoided the installation, in addition, because the cross-sectional area is big, the inlet wire copper bar is high with the current-carrying capacity of the outlet wire copper bar, is difficult for generating heat at the in-process that uses.

The incoming line interface and the outgoing line interface are made of insulating materials and are insulated from the coil and the magnetic core group. The inlet wire copper bar can be dismantled with the inlet wire end of coil assembly and be connected, the outlet wire copper bar can be dismantled with the outlet terminal of coil assembly and be connected, when inductor is connected with external equipment, can choose suitable size's inlet wire copper bar and outlet wire copper bar for use according to actual need, can make things convenient for the other end of inlet wire copper bar and the other end of outlet wire copper bar aim at external equipment's wiring mouth to the installation degree of difficulty has been reduced.

Compared with the structure of a single magnetic core column, the total magnetic flux of a plurality of magnetic core columns is larger than that of a single magnetic core column, and electric energy enters from the wire inlet end of the coil group and then passes through all the coils, namely passes through all the magnetic core columns, so that the capability of converting the electric energy into the magnetic energy is improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is an enlarged view of the portion circled by the dotted line A in the embodiment of FIG. 1;

fig. 3 is a schematic structural diagram of an aluminum housing according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a magnetic core assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an aluminum housing according to an embodiment of the present invention.

Wherein: 1, a magnetic core group; 11 a core leg; a 12-terminal magnetic core; 2, winding; 21, a wire inlet end; 22 an outlet terminal;

3, an incoming line interface; 4, an outlet interface; 5, feeding copper bars; 6, leading out a copper bar; 7, an insulating framework; 71 an insulating spacer; 72 insulating grid plate; 8 an aluminum housing; 81 heat dissipation fins; 9 pouring the sealant.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes a hard-connected inductor according to an embodiment of the present invention with reference to fig. 1 to 5, including a magnetic core set 1, a coil 2, an incoming line interface 3, an outgoing line interface 4, an incoming line copper bar 5 and an outgoing line copper bar 6;

the magnetic core group 1 comprises two end magnetic cores 12 and a plurality of magnetic core columns 11 which are parallel to each other, and all the magnetic core columns 11 are arranged between the two end magnetic cores 12 and form a magnetic circuit;

the outer surface of each magnetic core column 11 is wound with a coil 2, all the coils 2 are wound by the same conducting wire, and all the coils 2 form a coil group;

the wire inlet interface 3 is arranged at a wire inlet end 21 of the coil assembly, the wire outlet interface 4 is arranged at a wire outlet end 22 of the coil assembly, the wire inlet end 21 of the coil assembly is in hard connection with one end of the wire inlet copper bar 5 through the wire inlet interface 3, and the wire outlet end 22 of the coil assembly is in hard connection with one end of the wire outlet copper bar 6 through the wire outlet interface 4;

the other end of the incoming line copper bar 5 and the other end of the outgoing line copper bar 6 extend towards the direction far away from the coil group.

The inlet wire end 21 of the coil assembly of the inductor of hard connection passes through inlet wire copper bar 5 is connected with external equipment, inlet wire copper bar 5 can guide the inlet wire of inductor to the place that the installer made things convenient for the wiring, and the leading-out terminal 22 of coil assembly passes through outlet wire copper bar 6 is connected with external equipment, outlet wire copper bar 6 can guide the outlet wire of inductor to the place that the installer made things convenient for the wiring to position restriction when having avoided the installation, in addition, because the cross-sectional area is big, inlet wire copper bar 5 and outlet wire copper bar 6's current-carrying capacity height are difficult for generating heat at the in-process of using.

The wire inlet interface 3 and the wire outlet interface 4 are made of insulating materials and are insulated from the coil 2 and the magnetic core group 1. Incoming wire copper bar 5 can be dismantled with the inlet wire end 21 of coil assembly and be connected, the outlet wire copper bar 6 can be dismantled with the leading-out terminal 22 of coil assembly and be connected, when inductor is connected with external equipment, can choose for use suitable size's incoming wire copper bar 5 and outlet wire copper bar 6 as required, can make things convenient for the other end of incoming wire copper bar 5 and the other end of outlet wire copper bar 6 aim at external equipment's wiring mouth to the installation degree of difficulty has been reduced.

Compared with the structure of a single magnetic core column 11, the total magnetic flux of a plurality of magnetic core columns 11 is larger than that of the single magnetic core column 11, and electric energy enters from the wire inlet end 21 of the coil group and then passes through all the coils 2, namely passes through all the magnetic core columns 11, so that the capability of converting the electric energy into the magnetic energy is improved.

In some embodiments, the magnetic core assembly 1 includes two magnetic core legs 11, and the magnetic core legs 11 are in a square structure.

The two magnetic core columns 11 are arranged, so that the total magnetic flux is improved, the overall weight of the inductor is not too high, and the use of a customer is facilitated. The square magnetic core column 11 has the advantages of large utilization rate of the magnetic core section, reduced volume and reduced copper wire consumption, thereby reducing the cost.

For example, as shown in fig. 4, the magnetic core assembly further comprises an insulating framework 7, wherein the insulating framework 7 comprises an insulating partition 71, and the insulating partition 71 is arranged between the coil 2 and the magnetic core assembly 1.

The insulating partition 71 is used for keeping insulation between the coil 2 and the magnetic core group 1 and keeping the coil 2 and the magnetic core group 1 relatively fixed.

It is worth pointing out that, as shown in fig. 3, the magnetic core assembly further includes an aluminum outer shell 8, and the magnetic core assembly 1 is disposed in the aluminum outer shell 8.

When using, aluminium shell 8 can keep apart magnetic core and coil 2 with the external world, avoids the staff mistake to touch and leads to electrocuteeing.

Optionally, the outer surface of the aluminum housing 8 is provided with a plurality of heat dissipation fins 81 parallel to each other.

During operation, magnetic core and coil 2 can produce the heat, in setting up many parallels each other heat dissipation teeth 81 can improve aluminum hull 8's radiating efficiency makes temperature in the aluminum hull 8 can not too high and influence work efficiency.

Specifically, the insulating skeleton 7 further includes an insulating grid plate 72, and the insulating grid plate 72 is disposed between the end core 12 and the aluminum shell 8.

The insulating grid plate 72 serves to insulate the end cores 12 from the aluminum housing 8.

Preferably, the wire is a flat wire.

The vertical winding coil structure design is adopted, so that the manufacturing working hours are saved, the wire consumption is reduced, the temperature rise and the loss are reduced, the skin effect is reduced, and the high frequency of the product is met.

Specifically, as shown in fig. 5, the opening of the aluminum housing 8 is filled with a potting adhesive 9.

The magnetic core group 1 is arranged in the aluminum shell 8 and then sealed through the pouring sealant 9, so that the effects of water resistance, moisture resistance, dust resistance, insulation, heat conduction, confidentiality, corrosion resistance, temperature resistance and shock resistance are achieved.

Other constructions, etc. and operation of a hard-wired inductor according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A hard-connected inductor is characterized by comprising a magnetic core group, a coil, an incoming line interface, an outgoing line interface, an incoming line copper bar and an outgoing line copper bar;

2. A hard-wired inductor according to claim 1, wherein: the magnetic core group comprises two magnetic core columns, and the magnetic core columns are of square structures.

3. A hard-wired inductor according to claim 1, wherein: still include insulating skeleton, insulating skeleton includes insulating barrier, insulating barrier set up in the coil with between the magnetic core group.

4. A hard-wired inductor according to claim 3, wherein: the magnetic core assembly is arranged in the aluminum shell.

5. A hardwired inductor in accordance with claim 4, wherein: and a plurality of mutually parallel heat dissipation tooth sheets are arranged on the outer surface of the aluminum shell.

6. A hardwired inductor in accordance with claim 5, wherein: the insulating framework further comprises an insulating grid plate, and the insulating grid plate is arranged between the end magnetic core and the aluminum shell.

7. A hard-wired inductor according to claim 1, wherein: the lead is a flat wire.

8. A hardwired inductor in accordance with claim 4, wherein: and the opening of the aluminum shell is filled with pouring sealant.