CN204131255U

CN204131255U - A kind of webcam driver motor of double magnetic circuit

Info

Publication number: CN204131255U
Application number: CN201420489406.6U
Authority: CN
Inventors: 雷阳
Original assignee: HUIZHOU YOUHUA MICRO-ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: HUIZHOU YOUHUA MICRO-ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2014-08-27
Filing date: 2014-08-27
Publication date: 2015-01-28
Anticipated expiration: 2024-08-27

Abstract

The utility model provides a kind of webcam driver motor of double magnetic circuit, and it comprises: a base; One upper cover, described upper cover and described base are fastened and connected; One yoke, is arranged between described base and described upper cover; One carrier, described carrier is arranged in described yoke; The outer surface of described carrier is provided with multiple fin, and described multiple fin is arranged with coil respectively; Described yoke inner surface is provided with multiple group of magnets, and described multiple group of magnets is corresponding with multiple coil respectively; Described group of magnets comprises two magnet, and two described magnet be arranged in parallel along south poles direction, and mutually abut, and the pole orientation of two described magnet is contrary.The structure of two magnet of group of magnets solves because of the inconsistent problem causing Impact direction different of coil power-on and power-off flow path direction, by by coil around the fin on carrier, effectively can reduce the use of coil method, reduce production cost.

Description

A kind of webcam driver motor of double magnetic circuit

Technical field

The utility model relates to mobile phone camera, is specifically related to a kind of webcam driver motor of double magnetic circuit.

Background technology

The coil of traditional mobile phone camera drive motors is the circumference around carrier, the sense of current of coil is unidirectional, and the coiling mode of this coil needs longer coil, and the coil method of needs is more, for reducing the use of coil method, reduce costs, annular winding can be done on carrier, but this winding method, because electric current circularizes, its power-on and power-off flow path direction is inconsistent, and the magnetic field force direction that magnet applies the coil of conduction is contrary, causes carrier not move on request.

Utility model content

The purpose of this utility model is the defect overcoming prior art, provides a kind of webcam driver motor of double magnetic circuit, can good firm electric machine structure, and its structure is simple, reduce production cost.

The utility model is achieved in that a kind of webcam driver motor of double magnetic circuit, and it comprises:

One base;

One upper cover, described upper cover and described base are fastened and connected;

One yoke, is arranged between described base and described upper cover;

One carrier, described carrier is arranged in described yoke;

The outer surface of described carrier is provided with multiple fin, and described multiple fin is arranged with coil respectively; Described yoke inner surface is provided with multiple group of magnets, and described multiple group of magnets is corresponding with described multiple coil respectively, and described group of magnets is arranged at outside described coil; Described group of magnets comprises two magnet, and two described magnet be arranged in parallel along south poles direction, and mutually abut, and the pole orientation of two described magnet is contrary.

Further, described group of magnets quantity is four, is arranged at four angles of described yoke respectively.

Further, described group of magnets quantity is four, is arranged at four limits of described yoke respectively.

Further, described base upper surface convexes to form fore-set, and described group of magnets is corresponding with described fore-set, and described group of magnets is fixed between fore-set and yoke.

Further, also comprise shell fragment, lower shell fragment, described upper shell fragment abuts with carrier upper surface and upper cover lower surface respectively, and described lower shell fragment abuts respectively at carrier lower surface and base upper surface.

Further, described base is provided with clamping part, and described yoke is provided with buckle interface, and described clamping part and described buckle interface cooperatively interact.

The beneficial effect of the webcam driver motor of a kind of double magnetic circuit of the utility model is: the structure of two magnet of group of magnets solves because of the inconsistent problem causing Impact direction different of coil power-on and power-off flow path direction, by by coil around the fin on carrier, effectively can reduce the use of coil method, reduce production cost.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the three-dimensional view of the webcam driver motor of a kind of double magnetic circuit of the utility model embodiment;

Fig. 2 is the isometric exploded view of the webcam driver motor of a kind of double magnetic circuit of the utility model embodiment;

Fig. 3 is the yoke of webcam driver motor and the three-dimensional view of group of magnets of a kind of double magnetic circuit of the utility model embodiment;

Fig. 4 is the carrier of webcam driver motor and the three-dimensional view of coil of a kind of double magnetic circuit of the utility model embodiment;

Fig. 5 is the carrier of the webcam driver motor of a kind of double magnetic circuit of the utility model embodiment and the three-dimensional view of lower shell fragment;

Fig. 6 is the three-dimensional view of the assembling of the webcam driver motor of a kind of double magnetic circuit of the utility model embodiment;

Fig. 7 is magnet and the coil generalized section of a kind of double magnetic circuit of the utility model embodiment;

Fig. 8 is the three-dimensional view of the base of a kind of double magnetic circuit of the utility model embodiment.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.

As shown in Figure 1 and Figure 2, an embodiment of the webcam driver motor 1 of a kind of double magnetic circuit of the utility model, comprising:

One base 10;

One upper cover 20, described upper cover 20 is fastened and connected with described base 10;

One yoke 30, is arranged between described base 10 and described upper cover 20;

One carrier 40, described carrier 40 is arranged in described yoke 30;

As shown in Figure 4, described carrier 40 is in circular ring structure, and the outer surface of carrier 40 annulus is evenly provided with four fins 41, and described four fins 41 are arranged with coil 42 respectively, as Fig. 2, shown in Fig. 3, described yoke 30 inner surface is provided with four group of magnets 50, described four group of magnets 50 are corresponding with multiple coil 42 respectively, described group of magnets 50 is arranged at outside described coil 42, in the present embodiment, group of magnets 50 is arranged at four angles of yoke 30, then corresponding, coil 42 is corresponding with four Angle Position of yoke 30 and be arranged at the inner side of group of magnets 50, as shown in Figure 7, described group of magnets 50 comprises two magnet 51, two described magnet 51 be arranged in parallel along south poles direction, and two magnet 51 abut mutually, the pole orientation of two described magnet 51 is contrary, when coil 42 is energized, electric current conducts on loop coil 42, the sense of current being in the epimere 421 of coil 42 is contrary with the sense of current being in coil 42 hypomere 422, accordingly, the magnetic pole of the magnetic pole magnet 51 corresponding to coil 42 hypomere 422 of the corresponding magnet of epimere 421 51 of coil 42 is also contrary, according to left hand rule, the suffered resultant direction of epimere 421 and hypomere 422 two parts is identical, solve the inconsistent problem causing Impact direction different of coil 42 power-on and power-off flow path direction, on the other hand, then cross by coil around the fin 41 on carrier 40, effectively reduce the use of coil method, reduce production cost.

Further, as Fig. 2, shown in Fig. 3 and Fig. 8, described base 10 is provided with clamping part 11, described yoke 30 is provided with buckle interface 31, described clamping part 11 and described buckle interface 31 cooperatively interact, clamping part 11 and the fastening of described buckle interface 31 make yoke 30 to be firmly connected with base 10, on the other hand, described base 10 upper surface convexes to form fore-set 12, described group of magnets 50 is corresponding with described fore-set 12, described group of magnets 50 is fixed between fore-set 12 and yoke 30, yoke 30 and base 10 are fastened and connected formation cavity specifically, in group of magnets 50, lower surface abuts with the top of yoke 30 inner surface and fore-set 12 respectively, being fixed on group of magnets 50 in yoke 30.

Further, as Fig. 2, Fig. 5, shown in Fig. 6, also comprise shell fragment 70, lower shell fragment 60, described upper shell fragment 70 abuts with carrier 40 upper surface and upper cover 20 lower surface respectively, described lower shell fragment 60 abuts respectively at carrier 40 lower surface and base 10 upper surface, specifically, carrier 40 is annular carrier 40, as shown in Figure 4, it comprises inner ring body 43 and outer ring body 44, inner ring body 43 height is higher than the height of outer ring body 44, described inner ring body 43 and described outer ring body 44 one-body molded, inner ring body 43 upper surface is connected to shell fragment 70, outer ring body 44 upper surface is connected to yoke 30 inner surface top, under the resiliency supported of lower shell fragment 30 and lower shell fragment 70, with base 10, there is certain displacement at work initial condition carrier 40, carrier 40 is unsettled relative to base 10 specifically, make carrier 40 namely movable after initial condition energising, avoid and flog a dead horse, decrease energy consumption.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims

1. a webcam driver motor for double magnetic circuit, is characterized in that, comprising:

One base;

One yoke, is arranged between described base and described upper cover;

One carrier, described carrier is arranged in described yoke;

2. the webcam driver motor of a kind of double magnetic circuit as claimed in claim 1, is characterized in that: described group of magnets quantity is four, is arranged at four angles of described yoke respectively.

3. the webcam driver motor of a kind of double magnetic circuit as claimed in claim 1, is characterized in that: described group of magnets quantity is four, is arranged at four limits of described yoke respectively.

4. the webcam driver motor of a kind of double magnetic circuit as claimed in claim 1, it is characterized in that: described base upper surface convexes to form fore-set, described group of magnets is corresponding with described fore-set, and described group of magnets is fixed between fore-set and yoke.

5. the webcam driver motor of a kind of double magnetic circuit as claimed in claim 1, it is characterized in that: also comprise shell fragment, lower shell fragment, described upper shell fragment abuts with carrier upper surface and upper cover lower surface respectively, and described lower shell fragment abuts respectively at carrier lower surface and base upper surface.

6. the webcam driver motor of a kind of double magnetic circuit as claimed in claim 1, it is characterized in that: described base is provided with clamping part, described yoke is provided with buckle interface, and described clamping part and described buckle interface cooperatively interact.