CN200956296Y

CN200956296Y - Double magnetic circuit ironcore

Info

Publication number: CN200956296Y
Application number: CN 200620138828
Authority: CN
Inventors: 吴启智
Original assignee: LONGTAI ELECTRONICS CO Ltd
Current assignee: LONGTAI ELECTRONICS CO Ltd
Priority date: 2006-09-26
Filing date: 2006-09-26
Publication date: 2007-10-03
Anticipated expiration: 2016-09-26

Abstract

The utility model discloses a magnetic conductive core used in magnet conductor provided with two groups of transformer coil. The utility model comprises a first core and a second core. The first core is provided a left central core on the left side and a right central core on the right side. And outside the left central core is provided a left external hoop core, while outside the right central core is provided a right external hoop core. Between the left central core and the right central core is arranged a leakage sensing core and the second core has she same structure with the first core and is connected with the first core symmetrically. What needs to be noted is that the empty space between the leakage sensing core of the first core and the leakage sensing core of the second core forms a high leakage inductance producing area, across which the utility double magnetic circuit core provides the two groups of transformer coil with multiple high voltage output and high leakage sensing amount to meet the applied demand of the electronic industry.

Description

The double magnetic circuit iron core

Technical field

The utility model relates to a kind of conducting magnet core, and especially a kind of while can provide the double magnetic circuit iron core of two groups of transformer coil magnetic induction.

Background technology

Flourish because of LCD market now, the cold cathode fluorescent lamp luminescent quality that is used for LCD relatively also and then improves, and because the size of LCD demand increases day by day, certainly will increase the quantity of the employed cold cathode fluorescent lamp of module backlight in the LCD, improve luminosity, and be used for lighting the also therefore increase relatively of high-tension transformer quantity of these cold cathode fluorescent lamp; Therefore, the output quality of high-tension transformer and additional function thereof are the key point of lighting the cold cathode fluorescent lamp luminosity; In other words, because at present consumer market demand is to be main flow with large scale picture, ultrathin LCD, therefore, if will reach the purpose of ultrathin, big picture, then the volume of transformer core yes can be the smaller the better, and employed quantity that yes is few more good more, but the most important thing is, can not be only in order to reduce or reduce the quantity or the volume of transformer core, and influence high pressure output quality and the function that transformer provides cold cathode fluorescent lamp.Therefore by as can be known aforementioned, how the following more required high pressure quality of cold cathode fluorescent lamp of high pressure that needs is provided, the volume that how to reduce transformer core provides the function of the many outputs of input, perhaps how to reduce the quantity of using transformer core and reduce the volume of LCD with the shared same iron core of a plurality of transformers, temperature and cost, and how under the situation that does not change transformer output quality and function, the problems such as transformer that the transformer core alteration of form can be met the required high leakage inductance amount additional function that is used for drive IC of the assembling demand of slimming LCD and electronic industry circle, all become now for design of transformer person the emphasis that must consider.

The utility model content

Main purpose of the present utility model is to provide a kind of double magnetic circuit iron core, and it not only can offer two groups of transformer coils simultaneously and produce the output of many group high pressure, can also provide higher leakage inductance amount to meet the user demand of electronic industry circle.

The utility model is a kind of double magnetic circuit iron core, be in order to the magnetic conduction of two groups of transformer coil magnetic induction to be provided simultaneously, this double magnetic circuit iron core has first iron core and second iron core, it is characterized in that: this first iron core has left side central core, right side central core, left side outer shroud iron core, right side outer shroud iron core and the first leakage inductance iron core between this left side central core and this right side central core; This second iron core has left side central core, right side central core, left side outer shroud iron core, right side outer shroud iron core and the second leakage inductance iron core between this left side central core and this right side central core; And the left side outer shroud iron core of this first iron core engages with the left side outer shroud iron core of this second iron core, and the right side outer shroud iron core of this first iron core engages with the right side outer shroud iron core of this second iron core, and this first leakage inductance iron core and this second leakage inductance iron core form high leakage inductance at interval and produce the district.

In sum, double magnetic circuit iron core of the present utility model not only can offer two groups of transformer coils simultaneously and produce the output of many group high pressure, can also provide higher leakage inductance amount to meet the user demand of electronic industry circle.

Description of drawings

Fig. 1 is the three-dimensional appearance schematic diagram of the utility model double magnetic circuit iron core.

Fig. 2 is the perspective exploded view of Fig. 1.

Fig. 3 is the vertical view and the flux loop schematic diagram of the utility model double magnetic circuit iron core.

Fig. 4 is the embodiment perspective exploded view of the utility model double magnetic circuit iron core.

Fig. 5 is the combination schematic perspective view of Fig. 4.

Embodiment

About the technology contents of structure of the present utility model and preferred embodiment, now cooperate graphic being described as follows:

At first, please be three-dimensional appearance, decomposition and the schematic top plan view of the utility model double magnetic circuit iron core simultaneously referring to figs. 1 through Fig. 3.As shown in the figure, double magnetic circuit iron core 10 of the present utility model, be in order to the magnetic conduction of two groups of transformer coil magnetic induction to be provided simultaneously, the structure of this double magnetic circuit iron core 10 is made of first iron core 20 and second iron core 30, wherein, have left side central core 21 and right side central core 21 ' on this first iron core 20, has left side outer shroud iron core 22 in these left side central core 21 outsides, and have a right side outer shroud iron core 22 ' in this right side central core 21 ' outside, then have the first leakage inductance iron core 23 between this left side central core 21 and this right side central core 21 ' being positioned at; And this second iron core 30 has left side central core 31 and right side central core 31 ', has left side outer shroud iron core 32 in these left side central core 31 outsides, and have a right side outer shroud iron core 32 ' in this right side central core 31 ' outside, then have the second leakage inductance iron core 33 between this left side central core 31 and this right side central core 31 ' being positioned at; In addition, the left side outer shroud iron core 22 of this first iron core 20 engages with the left side outer shroud iron core 32 of this second iron core 30, and the right side outer shroud iron core 22 ' of this first iron core 20 engages with the right side outer shroud iron core 32 ' of this second iron core 30, and forms high leakage inductance in this first leakage inductance iron core 23 at interval with this second leakage inductance iron core 33 and produce district 40; Please skip to earlier in addition shown in Figure 5, the spacing distance that this high leakage inductance produces district 40 approximately be located at this left side

central core

21,31 and this right side central core 21 ', 31 ' on this first, second first identical around what manage 60,60 ' around territory, interval septal area; Ask rebound Fig. 1 to Fig. 3 again, wherein the left side outer shroud iron core 22 on this first iron core 20 is identical with the length of right side outer shroud iron core 22 ', and the length of this left side central core 21 and right side central core 21 ' is also identical and its length between both length of this left side outer shroud iron core 22 and this first leakage inductance iron core 23, or with any one equal in length of this left side outer shroud iron core 22 or this first leakage inductance iron core 23; And, left side outer shroud iron core 32 on this second iron core 30 is also identical with the length of right side outer shroud iron core 32 ', and the length of this left side central core 31 and right side central core 31 ' is also identical and its length between both length of this left side outer shroud iron core 32 and this second leakage inductance iron core 33, or with any one equal in length of this left side outer shroud iron core 32 or this second leakage inductance iron core 33.

It should be noted that the utility model has only utilized one group of iron core from the above, can finish the output of four high pressure, and the output that can produce high leakage inductance amount in addition, supply with electronic industry and be used for the additional function of drive IC.

Then, please refer to Fig. 3 again, is the vertical view and the flux loop schematic diagram of the utility model double magnetic circuit iron core.This figure illustrates, when double magnetic circuit iron core of the present utility model when transformer is implemented, can be in this left side

central core

21,31 with this left side outer shroud iron core 22, form left side magnetic conductive loop 50 on 32, and can be in addition in this right side central core 21 ', 31 ' with this right side outer shroud iron core 22 ', form right side magnetic conductive loop 50 ' on 32 ', and produce district 40 in this high leakage inductance and can produce higher leakage inductance amount, reach the utility model and not only can offer the purpose that two groups of transformer coils produce the output of many group high pressure simultaneously, can also provide higher leakage inductance amount to meet the purpose of electronic industry user demand.

Please it be three-dimensional the decomposition and the combination schematic diagram of embodiment of the utility model double magnetic circuit iron core simultaneously with reference to Fig. 4, Fig. 5 in addition.As shown in the figure, left side central core 21 on this first iron core 20 and the left side central core 31 on this second iron core 30 can be inserted in same insulation first around pipe 60, that is to say, this first has iron core perforation 63 around pipe 60, this iron core perforation 63 is to be sheathed on left side central core 21 on this first iron core 20 and the left side central core 31 on this second iron core 30, and this two figure illustrates that this first is provided with voltage input line circle that a first order can provide transformer around district 61 around thereon around pipe 60, and two voltage output line circles that transformer can be provided around thereon the second level around

district

62a, 62b; Same, right side central core 21 ' on this first iron core 20 and the right side central core 31 ' on this second iron core 30 can be inserted in same insulation second around pipe 60 ', that is to say, this second has iron core perforation 63 ' around pipe 60 ', this iron core perforation 63 ' is to be sheathed on right side central core 21 ' on this first iron core 20 and the right side central core 31 ' on this second iron core 30, and this two figure illustrates that also this second is provided with voltage input line circle that a first order can provide transformer around district 61 ' around thereon around pipe 60 ', and two voltage output line circles that transformer can be provided around thereon the second level around district 62a ', 62b ', can reach like this provides the magnetic conduction of two groups of transformer coil magnetic induction purpose simultaneously.

The above is a preferred embodiment of the present utility model only, is not limited to the utility model.In the above-described embodiments, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims

1. double magnetic circuit iron core is in order to the magnetic conduction of two groups of transformer coil magnetic induction to be provided simultaneously, and described double magnetic circuit iron core (10) has first iron core (20) and second iron core (30), it is characterized in that:

Described first iron core (20) has left side central core (21), right side central core (21 '), left side outer shroud iron core (22), right side outer shroud iron core (22 ') and is positioned at the first leakage inductance iron core (23) between described left side central core (21) and the described right side central core (21 '); Described second iron core (30) has left side central core (31), right side central core (31 '), left side outer shroud iron core (32), right side outer shroud iron core (32 ') and is positioned at the second leakage inductance iron core (33) between described left side central core (31) and the described right side central core (31 '); And the left side outer shroud iron core (22) of described first iron core (20) engages with the left side outer shroud iron core (32) of described second iron core (30), and the right side outer shroud iron core (22 ') of described first iron core (20) engages with the right side outer shroud iron core (32 ') of described second iron core (30), and the described first leakage inductance iron core (23) forms high leakage inductance at interval with the described second leakage inductance iron core (33) and produces district (40).

2. double magnetic circuit iron core according to claim 1, it is characterized in that, left side outer shroud iron core (22) on described first iron core (20) is identical with the length of right side outer shroud iron core (22 '), and the length of described left side central core (21) and right side central core (21 ') is also identical and its length between described left side outer shroud iron core (22) and described first both length of leakage inductance iron core (23), or with any one equal in length of described left side outer shroud iron core (22) or the described first leakage inductance iron core (23).

3. double magnetic circuit iron core according to claim 1, it is characterized in that, left side outer shroud iron core (32) on described second iron core (30) is identical with the length of right side outer shroud iron core (32 '), and the length of described left side central core (31) and right side central core (31 ') is also identical and its length between described left side outer shroud iron core (32) and described second both length of leakage inductance iron core (33), or with any one equal in length of described left side outer shroud iron core (32) or the described second leakage inductance iron core (33).

4. double magnetic circuit iron core according to claim 1 is characterized in that, the left side central core (31) on the left side central core (21) on described first iron core (20) and described second iron core (30) can be inserted in same insulation first around pipe (60).

5. double magnetic circuit iron core according to claim 4, it is characterized in that, described first has iron core perforation (63) around pipe (60), described iron core perforation (63) is to be sheathed on left side central core (21) on described first iron core (20) and the left side central core (31) on described second iron core (30), in addition in described first around pipe (60) be provided with at least one first order around district (61) and at least one second level around district (62a, 62b).

6. double magnetic circuit iron core according to claim 1 is characterized in that, the right side central core (31 ') on the right side central core (21 ') on described first iron core (20) and described second iron core (30) can be inserted in same insulation second around pipe (60 ').

7. double magnetic circuit iron core according to claim 6, it is characterized in that, described second has iron core around pipe (60 ') bores a hole (63 '), described iron core perforation (63 ') is to be sheathed on right side central core (21 ') on described first iron core (20) and the right side central core (31 ') on described second iron core (30), in addition in described second around pipe (60 ') be provided with at least one first order around district's (61 ') and at least one second level around the district (62a ', 62b ').