CN2606956Y - Improved coil base structure - Google Patents

Abstract

An improved coil base structure relates to a transformer coil base for driving multi-load, mainly comprising a sublevel spool and a primary spool, wherein, both sides inside the sublevel spool are provided with corresponding guide slide rails, thereby, length of primary and sublevel winding sections generated by the primary spool nesting inside the sublevel spool can be adjusted according to requirement so as to adapt to the design of different circuit boards. When the sublevel spool and only the part of the primary spool exposed outside the primary spool are winded with coil, another implementation mode similar to existing transformer is formed; while the primary spool is completely nested inside the sublevel spool, the overall volume of the utility model can be substantially reduced; in addition, when both the primary and sublevel spools are completely winded with coils, voltage value increases relatively to drive a plurality of sets of loads.

Description

Modified model coil holder structure

Technical field

The utility model relates to a kind of modified model coil holder structure, refers to especially a kind ofly can adjust the degree of depth that elementary spool is sheathed on secondary spool inside by different demands, to adjust the coil holder structure that copper cash twines the number of turns.

Background technology

Traditional transformer in order to the inner backlight module group lamp tube of driving LCD LCD, as shown in Figure 1, this transformer has a coil holder 1 ', have elementary line district 12 ' and secondary wire district 11 ' on it, its two ends also are provided with a plurality of terminals 121 ', 111 ' and are used to connect the lead of winding and are soldered to circuit board.Because the inner backlight module group lamp tube of traditional LCD LCD only has one, therefore only need one as the aforementioned transformer drive and get final product.

Because science and technology is constantly progressive, add under the demand to LCD LCD exhibit high brilliance, some dealer increases the employed fluorescent tube number of the inner module backlight of LCD LCD, employed relatively transformer number also can increase, thus, not only cause LCD LCD volume to become big, it is heavy that relative weight also becomes.Therefore, some dealer can utilize a single transformer to drive many tubes, if when utilizing the above-mentioned transformer of carrying to drive many fluorescent tubes, the voltage of transformer must improve to cooperate its high-power output, the length in this elementary line district 12 ' and secondary wire district 11 ' must increase with the line footpath that cooperates more winding turns or its winding must become big, thereby cause the length of this transformer and width to increase in succession, increased its overall volume greatly.

In addition, the user is if use a kind of by a plurality of (number on fluorescent tube is decided) the secondary wire district for output HIGH voltage, cooperate transformer that a rudimentary line district for output LOW voltage constituted when driving many group loads (for example many tubes), because the increase of power output, so the line that every line district will twine relatively footpath also must become the number of turns big or that twine on it and also can increase, thus, spacing between each line district also must be widened, last also is to cause the overall volume of transformer excessive, occupy very much LCD LCD inner space, thereby the volume that causes LCD LCD becomes big relatively, and it is light not meet present electronic product, thin, short, little designing requirement.

In addition, be positioned on the circuit board in order to welding transformer two end terminals 121 ', 111 ' scope, often variant because of the design of various boards, so, because the length of existing transformer is all fixed, therefore when the script length violation of the scope of its assembling of confession on the circuit board and transformer, just can influence the normal operation of transformer, even can't successfully assemble, influence the qualification rate of its electronic product greatly.

The utility model content

So main purpose of the present utility model is to solve the defective of above-mentioned prior art, avoid defective to exist.The utility model is with the coil holder redesign of transformer, not only can adjust the degree of depth that elementary spool is sheathed on secondary spool inside by different demands, twine the number of turns to increase or to reduce copper cash, can require to change the output voltage of transformer according to electrical equipment, and when elementary spool is sheathed on secondary spool fully, can dwindle its overall volume significantly again, and can single driving organize load more.

Another purpose of the present utility model is that the winding operation that makes coil holder can more save time, economize operation.

For reaching above-mentioned purpose, modified model coil holder structure of the present utility model, be in order to drive the transformer coil seat of multi-load, the coil holder structure of this transformer mainly includes a level spool and an elementary spool, be provided with corresponding guiding slide rail in the both sides of secondary spool inside, whereby, elementary spool be sheathed on that secondary spool inside produced at the beginning of, the length in secondary rolling thread district can be adjusted by demand, to cooperate the design of various boards, if only secondary spool is reached and only is exposed to winding around on the outer elementary spool of part of secondary spool, promptly form the execution mode of another kind of as existing transformer, and when elementary spool is sheathed on secondary spool fully, can dwindle its overall volume significantly, at the beginning of, during the whole winding around of secondary spool, the increase that magnitude of voltage is also relative is to drive the load of many groups.

Description of drawings

Fig. 1 is the schematic diagram of existing coil holder.

Fig. 2 is a decomposing schematic representation of the present utility model.

Fig. 3 is the first embodiment schematic diagram of the present utility model.

Fig. 4 is the cutaway view of A-A position among Fig. 3.

Fig. 5 is the cutaway view of B-B position among Fig. 3.

Fig. 6 is the second embodiment schematic diagram of the present utility model.

Fig. 7-the 1st, the cutaway view of C-C position among Fig. 6.

Fig. 7-the 2nd, the local enlarged diagram of Fig. 7-1.

Embodiment

The existing conjunction with figs. of relevant technology contents of the present utility model and structure is described in detail as follows.

Referring to Fig. 2,3,4, be the cutaway view of A-A position among decomposition of the present utility model, first embodiment and Fig. 3.As shown in the figure: modified model coil holder structure of the present utility model is in order to driving the transformer coil seat of multi-load, and the coil holder structure of this transformer mainly is made of a level spool 1 and an elementary spool 2 that is sheathed on secondary spool 1 inside.

This secondary spool 1 is in order to twine the secondary coil (not shown), has a secondary rolling thread district 11 for the winding around (not shown) on it, can allow the equal stay aligned of the every circle of copper cash, and has first junction surface 12 that communicates in 11 both sides, secondary rolling thread district, both sides in 12 inside, first junction surface are provided with corresponding guiding slide rail 123, between the suitable spacing of guiding slide rail 123, be provided with a plurality of location notchs 124 again, be provided with first at place, 12 two ends, first junction surface again, two stop parts 121,122, be positioned at second stop part, 122 positions again at first junction surface 12 and be extended with a group connecting part 14 outward, on group connecting part 14, be provided with a clamping groove 13, and be provided with a plurality of terminals 141 at an end of group connecting part 14, be used to connect and establish lead and be soldered to the available circuit plate.

This elementary spool 2 is in order to twine the primary coil (not shown), has an elementary winding region 21 for the winding around (not shown) on it, also has second junction surface 22 that communicates for the winding other electron component in elementary winding region 21 both sides, the place is provided with first at 22 two ends, second junction surface, two stop parts 221,222, again first, two stop parts 221,222 both sides all convex with a card-bit part 223,223 ', in addition, be extended with one outward at second junction surface, 22 1 ends and can intercept electric auxiliary section 25, the position of corresponding above-mentioned clamping groove 13 is provided with a clip key 23 on auxiliary section 25 in addition, and the end in addition of corresponding matching portion 25 is provided with a group connecting part 24, end at group connecting part 24 is provided with a plurality of terminals 241, is used to connect and establishes lead and be soldered to the circuit board (not shown).

Because first junction surface 12 of the secondary spool 1 of volume ratio of elementary winding region 21 is little, make elementary spool 2 first, two stop parts 221,222 card-bit part 223,223 ' can be placed in the guiding slide rail 123 at secondary spool 1 first junction surface 12, adjust the degree of depth that elementary spool 2 is sheathed on secondary spool 1 inside then by different demands after, can be by the card-bit part 223 on the primary and secondary spool 1,223 ' clip is done the clip location in the location notch 124 of guiding slide rail 123, with the position of 12 inside, first junction surface of elementary spool 2 being fixed in secondary spool 1, can adjust the length of this transformer according to the design of circuit board (not shown).

Referring to Fig. 5, be the cutaway view of B-B position among Fig. 3.As shown in the figure: can increase outward by demand because elementary spool 2 is sheathed on the length of the primary and secondary winding region 21,11 that secondary spool 1 inside produced; Therefore, in the time of in elementary spool 2 is not sheathed on secondary spool 1 fully, be that the elementary winding region 21 of part is to be exposed to outside first junction surface 12, its form is traditional in order to drive the transformer of single load, during use, only on being exposed to elementary winding region 21 its first junction surface 12 outside, the secondary rolling thread district 11 of secondary spool 1 and part twine line identical or inequality enamelled wire directly, can form the embodiment of the coil holder of another kind of as existing transformer, can be in order to the lower magnitude of voltage of output, to drive single load.

Referring to Fig. 6,7-1,7-2, be the analysing and observe and the local enlarged diagram of Fig. 7-1 of C-C position among second embodiment of the present utility model, Fig. 6.As shown in the figure: be wound on the primary and secondary winding region 21,11 at the enamelled wire that can utilize line identical or inequality footpath on the primary and secondary winding region 21,11 of primary and secondary spool 2,1 again simultaneously, to form primary coil 26 and secondary coil 16 comprehensively.

And this primary and secondary coil 26,16 is when twining, twine the primary coil 26 of one deck at least at elementary winding region 21 bottoms, and twine the secondary coil 16 that has been coated with film 3 at least more than one deck at secondary rolling thread district 11 bottoms, and after secondary coil 16 windings are finished, elementary spool 2 is placed on fully in first junction surface 12 of secondary spool 1, by clip key 23 clips on clamping groove 13, elementary spool 2 being fixed in the position of 12 inside, secondary spool 1 junction surface, and electric by the auxiliary section 25 of elementary spool 2 one sides to intercept.

The configuration mode of the utility model second embodiment, mainly be increase at the beginning of, secondary rolling thread district 21,11 coiling area, at the beginning of making, secondary rolling thread district 21,11 can cater to the demand that high-tension output maybe will drive multi-load, and at the beginning of increasing, secondary coil 26,16 the winding number of turns, more because at the beginning of, secondary wire district 21, the 11st, be overlapping hierarchical Design fully, therefore can dwindle its overall volume significantly, require gently to be applicable to, thin, short, in the little electric equipment products, and can drive the load of many groups simultaneously, for example with the cold cathode light modulation pipe of single coil holder driving more than two.

Further, because the coiling area of primary and secondary winding region 21,11 increases, so when if the bearing power of coil holder increases, when for example driving cold cathode light modulation pipe more than two with single transformer, just the winding scope of pitch of the laps can be increased, the problem of primary and secondary coil 26,16 temperature rises can be effectively solved.

Further again, because the primary and secondary spool of the utility model coil holder is separately independent the manufacturing, therefore, primary and secondary winding region 21,11 is when winding around, and operation simultaneously, but time and labour saving preface reduce manufacturing cost.

Further more again, if the bearing power of coil holder increases, for cooperating the increase of its output voltage, can on the secondary spool 1 that the utility model provides high voltage to export, twine multilayer secondary coil 16, utilize the high voltage of the part number of plies for the output certain value, utilize the number of plies of other parts to do the high voltage output of another definite value again, utilize a plurality of secondary wire district to cooperate the structure that rudimentary line district is constituted to replace prior art, with the increase amplitude of reduction volume of transformer, and guarantee to meet light, thin, short, the little designing requirement of present electronic product.

Claims (10)

1. a modified model coil holder structure is the transformer coil seat in order to the driving multi-load,

It is characterized in that:

This structure includes a level spool (1), on it once the level winding region (11), has first junction surface (12) that communicates in both sides, secondary rolling thread district (11), the both sides inner in first junction surface (12) are provided with corresponding guiding slide rail (123), are provided with a plurality of location notchs (124) again between the suitable spacing of guiding slide rail (123); An and elementary spool (2), has an elementary winding region (21) on it, the volume of this elementary winding region (21) is less than the volume at first junction surface (12) of secondary spool (1), in elementary winding region (21), has second junction surface (22) that communicates, be provided with first and second stop part (221,222) at place, two ends, second junction surface (22) again, all convex with a card-bit part (223,223 ') in the both sides of first and second stop part (221,222) in addition.

2. modified model coil holder structure according to claim 1 is characterized in that, is arranged with primary coil (26) on this elementary winding region (1).

3. modified model coil holder structure according to claim 1 is characterized in that, is arranged with secondary coil (16) in this secondary rolling thread district (11).

4. modified model coil holder structure according to claim 3 is characterized in that, is coated with a film (3) on this secondary coil (16).

5. modified model coil holder structure according to claim 1 is characterized in that, this first junction surface (12) is extended with a group connecting part (14,24) outward.

6. modified model coil holder structure according to claim 5 is characterized in that, this group connecting part (14,24) is provided with a clamping groove (13).

7. modified model coil holder structure according to claim 5 is characterized in that, an end of this group connecting part (14,24) is provided with a plurality of terminals (141).

8. modified model coil holder structure according to claim 1 is characterized in that, these second junction surface (22) one ends are extended with an auxiliary section (25) outward, and the other end in second junction surface (22) is extended with a group connecting part (24) outward.

9. modified model coil holder structure according to claim 8 is characterized in that, the position that this auxiliary section (25) go up corresponding clamping groove (13) is provided with a clip key (23).

10. modified model coil holder structure according to claim 8 is characterized in that an end of this group connecting part (24) is provided with a plurality of terminals (241).

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