CN201004357Y

CN201004357Y - Electric inductor structure

Info

Publication number: CN201004357Y
Application number: CNU2006201664053U
Authority: CN
Inventors: 庄忆芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-19
Filing date: 2006-12-19
Publication date: 2008-01-09
Anticipated expiration: 2016-12-19

Abstract

The utility model relates to an inductor structure, comprising two casings, a loop and a mandrel. The mandrel is passed through a hollow passage of the winding sect of the loop, after the mandrel has passed through the passage, the two casings are coated with the loop and the mandrel, and the two ends of the mandrel are respectively passed through two shot-holes of the two casings, making the loop and the mandrel built between two grooves of the two casings, two terminals extended by the two ends of the winding sect are exposed outside the two casings, and welded with a circuit board. When the two casings are combined outside the loop and the mandrel, the utility model is capable for avoiding the magnetic contour to be exposed outside, thereby making an electromagnetic interference to other electronic modules, and at the same time, avoiding the electromagnetic interference from the other electronic modules to the inductor.

Description

Inductor structure

Technical field

The utility model relates to a kind of electronic building brick, relates in particular to a kind of Inductive component structure.

Background technology

Inductor (Inductor) is called coil (coil) again, a kind of for passive component.Have and resist the electronic building brick that any electric current changes, it is twining core by coil and is being formed, and core can be magnetic material or nonmagnetic substance.Inductor is to change by coil current, and to produce magnetic flux change, according to the assembly that the phenomenon in magnetic field is made, wherein the source in magnetic field is that electric charge is flowing, and it is exactly that electric current forms.The electric current that exchanges can produce magnetic field, and the magnetic field of change can induce electric current, the ratio of its linear relationship, and we are called inductance.

Usually have only the plain conductor coiled, have self-induction action, with one with the upper conductor coiling, the mutual inductance effect is then arranged.The function of inductor is the noise in the filter current, and the electric current in the stabilizing circuit is to prevent Electromagnetic Interference.Effect is similar with capacitor, is with storage equally, discharges the stability that the electric energy in the circuit is regulated electric current, and only electric capacity is to come store electrical energy with the form of electric field (electric charge), and inductance is to reach with the form in magnetic field.

Can change mutually between electricity and the magnetic, can produce magnetic field around the lead that electric current flows through; On the contrary, can produce electric current in the coil of cutting magnetic line.The structure of inductance is the coil that the lead coiled is close to each other, when electric current flows through, wherein can be full of magnetic energy, and the magnetic energy in the electrorheological hour, coil can produce one strength, stops electric current to change.

Outside yet the magnetic line of force that coil produced of traditional inductor is exposed to fully, and other electronic building bricks are caused serious electromagnetic interference phenomenon, make other electronic building brick can't normal running.And, also can produce electromagnetic interference to the inductor of same structure, make inductor can't normally come stabling current.

The utility model content

Therefore, in view of the disappearance of traditional inductor, one of the purpose of this utility model is to provide a kind of inductor structure, comprising: two housings, respectively have groove on it respectively, and respectively be provided with the hole on the described two groove inwalls; Coil is configured between the groove of described two housings; Plug is arranged on the coiling section of the hole of described two housings and coil.

In addition, another purpose of the present utility model is to provide a kind of inductor structure, comprising: two housings, respectively have groove on it respectively, and the inwall of a groove is provided with blind hole therein, and another groove is provided with the perforation that runs through housing; Coil is configured between the groove of described two housings; Plug is located on the coiling section of the perforation of described two housings and coil.

In the utility model, the groove that has corresponding U-shaped on two housings respectively, after the combination of two housings, this two groove form one can ccontaining coil the space, in addition, be provided with two perforation that run through two housings on two groove inwalls, this two perforation penetrates for this plug, and with coil stationary between this two housing.Have the coiling section on the coil, form the passage that penetrates for plug in this coiling section, and the two ends of coiling section respectively are extended with terminal, weld to provide with circuit board.Plug is cylinder, is located in two perforation and the coiling section of coil of this two housing.Constitute inductor thus.

Inductor structure of the present utility model can be avoided the magnetic line of force of coil to be exposed to outer and other electronic building brick is caused the electromagnetic interference phenomenon, also can avoid the electromagnetic interference of other electronic building brick to inductor structure.

Description of drawings

Fig. 1 is first kind of inductor stereoscopic schematic diagram of the present utility model;

Fig. 2 is first kind of inductor structure decomposing schematic representation of the present utility model;

Fig. 3 is the cross-sectional schematic of Fig. 1;

Fig. 4 is second kind of inductor structure decomposing schematic representation of the present utility model;

Fig. 5 is the third inductor structure decomposing schematic representation of the present utility model;

Fig. 6 is the 4th a kind of inductor structure decomposing schematic representation of the present utility model;

Fig. 7 is the 5th a kind of inductor structure decomposing schematic representation of the present utility model;

Fig. 8 is the cross-sectional schematic of Fig. 7;

Fig. 9 is the 6th a kind of inductor structure decomposing schematic representation of the present utility model;

Figure 10 is the cross-sectional schematic of Fig. 9.

The primary clustering symbol description

Housing 1,1 '

Groove 12,12 '

The

perforation

13,13 ', 13a '

Blind hole

13a, 13b, 13b '

Junction surface 14,14 ', 15,15 '

Indentations 141,142 '

Convex shape 142,141 '

Buckling groove 151,151 '

Snapping portion 152,152 '

Coil 2

Coiling section 21

Passage 22

Terminal 23,23 '

Plug 3,3 '

Head 31 '

Embodiment

Relevant technology contents of the present utility model and detailed description, existing conjunction with figs. is described as follows:

See also Fig. 1 and Fig. 2, be first kind of inductor stereoscopic of the present utility model and STRUCTURE DECOMPOSITION schematic diagram.Inductor structure as shown in the figure comprises: two housings 1,1 ', coil 2 and plug 3, have the inductor of case type with composition.

Housing 1,1 ' on have respectively the

groove

12,12 of corresponding U-shaped ', after housing 1,1 ' combination, one of groove 12,12 ' formation can ccontaining coil 2 the space, in addition, on groove 12,12 ' inwall, be provided with run through housing 1,1 ' perforation 13,13 ', perforation 13,13 ' penetrate for this plug 3, and with coil 2 be fixed on housing 1,1 '.

Coil 2 is formed by Wire-wound, has coiling section 21 on it, the passages 22 that 21 li formation of coiling section penetrate for plug 3, and the two ends of coiling section 21 respectively be extended with terminal 23,23 ', terminal 23,23 ' weld with the circuit board (not shown).

Plug 3 is cylinder, be located in two housings 1,1 ' perforation 13,13 ' and the coiling section 21 of coil 2 on, to constitute inductor.

See also Fig. 2 and Fig. 3, be the cross-sectional schematic of the first kind of inductor structure decomposition of the present utility model and first figure.As shown in the figure, when inductor is assembled, can earlier plug 3 be penetrated in the passage 22 of coiling section 21 of coil 2, after plug 3 penetrates passage 22, again with two housings 1,1 ' cover in coil 2 and plug 3 outsides, make plug 3 two ends penetrate respectively two housings 1,1 ' perforation 13,13 ', allow coil 2 and plug 3 must and winding two housings 1,1 ' two grooves 12,12 ', to be assembled into brand-new inductor.And, two housings 1,1 ' the junction can be bonding by sticker, perhaps by plug 3 two ends and two housings 1,1 ' perforation 13,13 ' the packing degree, make two housings 1,1 ' can sealing-in live coil 2 and plug 3.

When inductor uses, can with the two-

terminal

23,23 of coil 2 ' with circuit board (not shown) or the welding of other part, and after energising, two housings 1,1 ' can the avoid magnetic line of force is exposed to outer and to other the electromagnetic interference phenomenon that electronic building brick caused, also can avoids the electromagnetic interference of other electronic building brick to inductor structure.

See also Fig. 4, be second kind of inductor structure decomposing schematic representation of the present utility model.Inductor structure as shown in the figure and Fig. 1, the described inductor of Fig. 2, Fig. 3 are roughly the same, difference be two housings 1,1 ' groove 12,12 ' both sides housing 1,1 ' on respectively have a set of joints 14,14 '.Junction surface 14 is positioned at groove 12 both sides of housing 1 and for indentations 141 and convex shape 142, and another junction surface 14 ' housing 1 ' groove 12 ' both sides and be convex shape 141 ' reach indentations 142 '.When two housings 1,1 ' winding,, can allow two housings 1,1 ' firm engagement with two junction surfaces 14,14 ' combine.

See also Fig. 5, be the third inductor structure decomposing schematic representation of the present utility model.Inductor structure as shown in the figure and Fig. 1, the described inductor of Fig. 2, Fig. 3 are roughly the same, difference be two housings 1,1 ' groove 12,12 ' both sides respectively have a set of joints 15,15 '.The buckling groove 151,151 that junction surface 15,15 ' comprise has depression ' be hook-shaped snapping portion 152,152 '.When two housings 1,1 ' winding, with the buckling groove 151 and the housing 1 of housing 1 ' snapping portion 152 ' snapping, and the snapping portion 152 of housing 1 and housing 1 ' buckling groove 151 ' snapping, make two housings 1,1 ' firm engagement.

See also Fig. 6, be the 4th kind of inductor structure decomposing schematic representation of the present utility model.Inductor structure as shown in the figure and Fig. 1, the described inductor of Fig. 2, Fig. 3 are roughly the same, and difference is that the perforation 13 of housing 1 changes to blind hole 13a, and housing 1 ' perforation 13 ' the change to stepped perforation 13a ' of internal diameter.With the plug 3 of T shape ' pass housing 1 ' perforation 13a ' and the passage 22 of the coiling section 21 of coil 2 after, the head 31 of plug 3 ' be positioned among the stair-stepping perforation 13a ', and plug 3 ' the other end engage with the blind hole 13a of housing 1, make two housings 1,1 ' with coil 2 and plug 3 ' be able to winding together.And, two housings 1,1 ' the junction surface also can use planform as Fig. 5 or junction surface shown in Figure 6, make two housings 1,1 ' firm engagement.

See also Fig. 7 and Fig. 8, be the cross-sectional schematic of the 5th kind of inductor structure decomposition of the present utility model and the 7th figure.Inductor structure as shown in the figure and Fig. 1, the described inductor of Fig. 2, Fig. 3 are roughly the same, difference be housing 1,1 ' perforation 13,13 ' change to

blind hole

13b, 13b '.Pass the passage 22 of coiling section 21 of coil 2 with plug 3 after, two housings 1,1 ' in conjunction with the time, plug 3 two ends windings make two housings 1,1 ' be able to winding together with coil 2 and plug 3 in

blind hole

13b, 13b '.And, two housings 1,1 ' the junction surface also can use planform as Fig. 5 or junction surface shown in Figure 6, make two housings 1,1 ' firm engagement.

See also Fig. 9 and Figure 10, be the cross-sectional schematic of the 6th kind of inductor structure decomposition of the present utility model and the 9th figure.Inductor structure as shown in the figure and Fig. 1, the described inductor of Fig. 2, Fig. 3 are roughly the same, and difference is housing 1,1 ' be U-shaped, and the housing 1,1 ' similarly among Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 can be U-shaped.

Above-mentioned is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.All equalizations of being done according to the utility model claims change and modify, and are all the utility model claim and contain.

Claims

1. an inductor structure is characterized in that, comprising:

Two housings respectively have groove respectively on it, respectively be provided with the hole on the described two groove inwalls;

Coil is configured between the groove of described two housings;

Plug is arranged on the coiling section of the hole of described two housings and coil.

2. inductor structure as claimed in claim 1, wherein, described groove is a U-shaped.

3. inductor structure as claimed in claim 1, wherein, described coil is formed by Wire-wound, has the coiling section on it, have passage in the described coiling section, and the two ends of coiling section respectively is extended with terminal.

4. inductor structure as claimed in claim 1, wherein, described plug is cylinder.

5. inductor structure as claimed in claim 1 wherein, has a set of joints on the housing of described groove both sides, and described junction surface is indentations and convex shape.

6. inductor structure as claimed in claim 1 wherein, has a set of joints on the housing of described groove both sides, and described junction surface is the buckling groove of depression and is hook-shaped snapping portion.

7. inductor structure as claimed in claim 1, wherein, described housing is a U-shaped.

8. inductor structure as claimed in claim 1, wherein, the hole on described two housings can be any of blind hole or perforation.

9. an inductor structure is characterized in that, comprising:

Two housings respectively have groove respectively on it, the inwall of a groove is provided with blind hole therein, and another groove is provided with the perforation that runs through housing;

Coil is configured between the groove of described two housings;

Plug is located on the coiling section of the perforation of described two housings and coil.

10. inductor structure as claimed in claim 9, wherein, described groove is a U-shaped.

11. inductor structure as claimed in claim 9, wherein, described punch inside diameter is stepped.

12. inductor structure as claimed in claim 9, wherein, described coil is formed by Wire-wound, has the coiling section on it, have passage in the described coiling section, and the two ends of coiling section respectively is extended with terminal.

13. inductor structure as claimed in claim 9, wherein, described plug is T-shaped.

14. inductor structure as claimed in claim 9 wherein, has a set of joints on the housing of described groove both sides, described junction surface is indentations and convex shape.

15. inductor structure as claimed in claim 9 wherein, has a set of joints on the housing of described groove both sides, described junction surface is the buckling groove of depression and is hook-shaped snapping portion.

16. inductor structure as claimed in claim 9, wherein, described housing is a U-shaped.