CN204289035U - Transformer - Google Patents
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- CN204289035U CN204289035U CN201420683416.3U CN201420683416U CN204289035U CN 204289035 U CN204289035 U CN 204289035U CN 201420683416 U CN201420683416 U CN 201420683416U CN 204289035 U CN204289035 U CN 204289035U
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Abstract
The utility model relates to the technical field of transformer, transformer is provided, comprise an E shape iron core and the 2nd E shape iron core or I shape iron core, one E shape iron core has middle part iron core column and both sides iron core column, middle part iron core column has insulating frame around the home, and insulating frame has armature winding around the home, and armature winding periphery is provided with secondary winding, secondary winding is connected with pin set, and secondary winding and sidepiece iron core column are inserted with spacer respectively.The utility model also provides the manufacture method of transformer, adopt the transformer that above-mentioned manufacture method is obtained, it is by the once independent coiling of armature winding, secondary winding, and secondary winding is sheathed on armature winding periphery, and by pin and wire turn one-body molded, winding is simple, technique for coiling by artificial, mechanical etc. affect less, finished-product volume is little, and production efficiency is high; Install spacer additional in the wire turn both sides of secondary winding, ensure that secondary winding is wound in the up rightness in the iron core column of middle part, thus ensure the consistency of its electrical characteristic distributed constant.
Description
Technical field
The utility model belongs to the technical field of transformer, particularly relates to transformer.
Background technology
Transformer, in electric equipment and radio-circuit, is commonly used for the purposes such as buck/boost, matched impedance, Secure isolation, and its Related product is widely used in the industries such as electric power, metallurgy, weaving, machinery, wind-powered electricity generation, iron and steel.Transformer is the device of conversion alternating voltage, alternating current and impedance, when being connected with alternating current in primary coil, just producing exchange flux in iron core (or magnetic core), making to induce voltage (or electric current) in secondary coil.
Transformer generally comprises iron core, armature winding and secondary winding.And in order to realize low-voltage, high-current, the secondary winding of existing transformer generally adopts interlayer winding, namely secondary winding is around the home in the centre of armature winding, armature winding at twice around.This winding adopt strand copper wire and around, coiling is complicated.If what adopt is Copper Foil winding, then needs gum to insulate, and multiply pin need be welded.
Therefore, the following problem of this winding ubiquity: complex procedures, production efficiency are low, technique for coiling by artificial, mechanical etc. affecting that distributed constant (mainly referring to leakage inductance, parasitic capacitance etc.) consistency that is comparatively large, its electrical characteristic is poor, finished-product volume is large, parameter is easily drifted about, poor heat radiation etc.
Utility model content
The purpose of this utility model is to provide transformer, the transformer being intended to solve prior art due to by secondary winding around the home in the centre of armature winding, and by armature winding at twice around and the winding that causes is complicated, need gum to insulate and need weld the poor problem of the consistency of multiply pin and its electrical characteristic distributed constant.
For solving the problems of the technologies described above, the technical scheme of the transformer that the utility model provides is, it comprises an E shape iron core and docks with a described E shape iron core the 2nd E shape iron core or I shape iron core that coordinate and form flux circuit, a described E shape iron core has unsettled middle part iron core column and both sides iron core column, described middle part iron core column is arranged with insulating frame, described insulating frame there is armature winding around the home, described armature winding periphery is provided with secondary winding, described secondary winding is connected with pin set, described secondary winding and described sidepiece iron core column are inserted with the spacer for ensureing the coiling of described secondary winding rule respectively, a described E shape iron core is set up on a base.
Further, described spacer is provided with at least three isolating bars, described secondary winding comprises the number of turn and is at least two and becomes single turn around the wire turn extended vertically, often forms one described in adjacent two between isolating bar for accommodating single described wire turn and prevents the isolation channel of the often mutual short circuit of wire turn described in adjacent two.
Further, described pin set comprises both sides pin, and winding end and the end of described wire turn connect side pin described in respectively around end.
Or further, described pin set comprises both sides pin and a middle pin, winding end and the end of described wire turn connect side pin described in respectively around end, and described winding end and described end connect described middle pin around the described wire turn in centre of end.
Further, described base has base plate, and described base plate two side ends is respectively equipped with side plate, and the connection transition position of described side plate and described base plate is provided with the boss for supporting a firmly described E shape iron core.
Further, described base plate also offers the correcting hole for coordinating with described pin set.
Further, described side plate offers the ventilation hole for described armature winding and described secondary winding heat being distributed.
The transformer that the present embodiment provides is compared the beneficial effect of prior art:
Because above-mentioned transformer adopts an E shape iron core, one E shape iron core has middle part iron core column and both sides iron core column, it is first by being wound in the iron core column of middle part by armature winding, then secondary winding is sheathed on armature winding periphery, again the wire turn of secondary winding and pin are adopted the form that one is connected, like this, prior art of comparing secondary winding adopts the transformer of interlayer winding, above-mentioned transformer avoids owing to needing secondary winding around the home in the centre of armature winding, and by armature winding at twice around and the winding that causes is complicated, gum is needed to insulate, and the problem of multiply pin need be welded, but, it is by armature winding, secondary winding is independent coiling once, and by pin and wire turn one-body molded, like this, winding is simple, technique for coiling is by artificial, machinery waits impact less, operation is simple, finished-product volume is little, production efficiency is high,
In addition, in order to ensure the coiling of secondary winding rule, spacer is provided with between secondary winding and sidepiece iron core column, spacer ensure that secondary winding is wound in the up rightness in the iron core column of middle part, thus ensure that the consistency of its electrical characteristic distributed constant (mainly referring to leakage inductance, parasitic capacitance etc.).
Accompanying drawing explanation
Fig. 1 is the stereo decomposing explosive view of the transformer that the utility model embodiment provides;
Fig. 2 is the perspective view of the spacer of the transformer that the utility model embodiment provides;
The perspective view that Fig. 3 is the secondary winding of the transformer that the utility model embodiment provides when being two number of turn two pins;
The deployed configuration schematic diagram that Fig. 4 is the secondary winding of the transformer that Fig. 3 provides when being two number of turn two pins;
The perspective view that Fig. 5 is the secondary winding of the transformer that the utility model embodiment provides when being four number of turn two pins;
The perspective view that Fig. 6 is the secondary winding of the transformer that the utility model embodiment provides when being two number of turn three pins;
The perspective view that Fig. 7 is the secondary winding of the transformer that the utility model embodiment provides when being four number of turn three pins;
Fig. 8 is the perspective view of the base of the transformer that the utility model embodiment provides;
Fig. 9 is each component assembling process figure of the transformer that the utility model embodiment provides;
Figure 10 is the perspective view of the transformer that the utility model embodiment provides;
Figure 11 is the cutaway view of the transformer that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 ~ 11, it is the preferred embodiment that the utility model provides.
It should be noted that, when parts are called as " being fixed on " or " being arranged at " another parts, it can directly on another parts or may there are parts placed in the middle simultaneously.When parts are known as " being connected to " another parts, it can be directly connected to another parts or may there are parts placed in the middle simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As illustrated in figures 1 and 8, the transformer 10 that the present embodiment provides, comprise an E shape iron core 11 and dock with an E shape iron core 11 the 2nd E shape iron core (not shown) or I shape iron core 16 that coordinate and form flux circuit, one E shape iron core 11 has unsettled middle part iron core column 111 and both sides iron core column 112, middle part iron core column 111 there is insulating frame around the home, insulating frame has armature winding 12 around the home, armature winding 12 periphery is provided with secondary winding 13, secondary winding 13 is connected with pin set 131, secondary winding 13 and sidepiece iron core column 112 are inserted with the spacer 14 for ensureing the regular coiling of secondary winding 13 respectively, one E shape iron core 11 is set up on a base 17.
The transformer 10 that the present embodiment provides is compared the beneficial effect of prior art:
As shown in Figure 1, because above-mentioned transformer 10 adopts an E shape iron core 11, one E shape iron core 11 has middle part iron core column 111 and both sides iron core column 112, it is first by being wound in the iron core column 111 of middle part by armature winding 12, then secondary winding 13 is sheathed on armature winding 12 periphery, again the wire turn 132 of secondary winding 13 and pin set 131 are adopted the form that one is connected, like this, prior art of comparing secondary winding 13 adopts the transformer 10 of interlayer winding, above-mentioned transformer 10 avoids owing to needing secondary winding 13 around the home in the centre of armature winding 12, and by armature winding 12 at twice around and the winding that causes is complicated, gum is needed to insulate, and the problem of multiply pin set 131 need be welded, but, it is by armature winding 12, secondary winding 13 is independent coiling once, and by one-body molded to pin set 131 and wire turn 132, like this, winding is simple, technique for coiling is by artificial, machinery waits impact less, operation is simple, finished-product volume is little, production efficiency is high,
In addition, in order to ensure the regular coiling of secondary winding 13, spacer 14 is provided with between secondary winding 13 and sidepiece iron core column 112, spacer 14 ensure that secondary winding 13 is wound in the up rightness in the iron core column 111 of middle part, thus ensure that the consistency of its electrical characteristic distributed constant (mainly referring to leakage inductance, parasitic capacitance etc.).
In order to make secondary winding 13 obtain low-voltage, high-current, the number of turn of armature winding 12 is more, and the number of turn of secondary winding 13 is less.
It should be noted that, the joint of an E shape iron core 11 and the 2nd E shape iron core or I shape iron core 16 is fixed by the black glue of point.
As depicted in figs. 1 and 2, in order to prevent often adjacent two wire turns 132 short circuit mutually, as spacer 14 is provided with at least three isolating bars 141, secondary winding 13 comprises the number of turn and is at least two and becomes single turn around the wire turn 132 extended vertically, often forms one between adjacent two isolating bars 141 for the isolation channel 142 of accommodating single wire turn 132.Like this, each wire turn 132 is all placed in isolation channel 142, is often separated by isolating bar 141 between adjacent two wire turns 132, avoids because adjacent two wire turn 132 short circuits cause wire turn 132 number of turn to tail off, thus causes the problem that the voltage at secondary winding 13 two ends diminishes.
As shown in Figure 1, for the ease of armature winding 12 around the home, insulating frame 15 between middle part iron core column 111 and armature winding 12, is provided with.During coiling armature winding 12, first insulating frame 15 is fixedly installed on special coil winding machine, then according to the corresponding number of turn of designing requirement coiling armature winding 12 of transformer 10 voltage ratio.
It should be noted that, as shown in Figure 1, the rectangular framework of insulating frame 15, therefore the armature winding 12 of institute's coiling is also rectangular thereon; The wire turn 132 of secondary winding 13 is copper strips wire turn 132, and it is ribbon, and its coil is rectangular; Insulating frame 15, spacer 14 are insulating material, and insulating frame 15, secondary winding 13 and spacer 14 are all shaping by machine die, like this, each parts are shaping by machine die, its production efficiency is high, and structural integrity is guaranteed, namely ensure that the consistency of its electrical characteristic distributed constant;
In addition, as shown in Figure 1, after in the middle part iron core column 111 that the insulating frame 15 of rectangle and armature winding 12 are sheathed on an E shape iron core 11, can according to the gap length between middle part iron core column 111 and both sides iron core column 112, come Reasonable adjustment secondary winding 13 copper strips wire turn 132 width and height, and be that spacer 14 installs reserved enough spaces, like this, an E shape iron core 11 coiling window area can be maximally utilised, namely can improve the stock utilization of transformer 10 to greatest extent, reduce waste of material; The secondary winding 13 of rectangle, armature winding 12 and insulating frame 15 are nested successively, and each modular construction is simple, and assembling procedure is simple, and easy to operate, cooling system is good, and greatly strengthen transformer 10 draw loading capability.
Also it should be noted that, as shown in Figure 1, the material of secondary winding 13 adopts red metal material, and its conductive coefficient can reach 395W/m.K; After secondary winding 13 conductive area calculated according to appliance power demand, width and the thickness of secondary winding 13 copper strips wire turn 132 can be controlled according to demand flexibly, namely when appliance power demand is small-power, copper strips wire turn 132 Xuan compare Bao village expects, when appliance power demand increases gradually, copper strips wire turn 132 is widened gradually, is thickeied;
Further, secondary winding 13 is placed on the outer circumferential side of armature winding 12, like this, does not need coated insulation adhesive tape, belongs to open-shelf structure, dispels the heat better, and easily, the consistency of its electrical characteristic distributed constant is also better, meets the needs of mass production in assembling.
In addition, because wire turn 132 and the pin set 131 of secondary winding 13 are formed in one, like this, reduce the D.C. resistance of secondary winding 13, conversion efficiency gets a promotion.
The present embodiment is the preferred implementation of multiturn number two pin (i.e. multiturn number two tap) about secondary winding 13:
As shown in Figure 3 and Figure 4, pin set 131 comprises both sides pin 1311, and winding end and the end of wire turn 132 connect side pin 1311 respectively around end.For the secondary winding 13 of multiturn number two pin, the winding end of wire turn 132 and side pin 1311 voltage eventually around end two ends are exactly one positive one negative, and like this, secondary winding 13 just only has two voltages.
The present embodiment is the preferred implementation of multiturn number three pin (i.e. multiturn number three tap) about secondary winding 13:
As shown in Fig. 1, Fig. 5 and Fig. 6, pin set 131 comprises both sides pin 1311 and a middle pin 1312, the winding end of wire turn 132 and connect side pin 1311 respectively around end eventually, and winding end and connect middle pin 1312 around the middle wire turn 132 of end eventually.For the secondary winding 13 of multiturn number three pin, except the winding end of wire turn 132 and side pin 1311 voltage eventually around end two ends be one positive one negative except, winding end and the middle pin 1312 connected around the middle wire turn 132 of end eventually also have a voltage, this voltage is placed in the middle relative to the voltage of both end sides pin 1311, voltage is just zero, like this, secondary winding 13 just has three voltages.The pin of secondary winding 13 is more, and the armature winding 12 of its transformer 10 and the turn ratio of secondary winding 13 change more, and namely voltage ratio change is more, and the antijamming capability of its transformer 10 will be stronger.
As illustrated in figures 1 and 8, base 17 has base plate 171, and base plate 171 two side ends is respectively equipped with side plate 172, and side plate 172 is provided with the boss 173 for supporting a firm E shape iron core 11 with the connection transition position of base plate 171.Like this, E shape iron core 11 entirety of docking with the 2nd E shape iron core or I shape iron core 16 is positioned on boss 173, and by side plate 172 against location, an E shape iron core 11 is firmly supported on base 17.
As illustrated in figures 1 and 8, for the ease of being supported on base 17 by an E shape iron core 11, base plate 171 also offers the correcting hole 174 for coordinating with pin set 131.Like this, when installation the one E shape iron core 11, only need the correcting hole 174 of pin set 131 correspondence on secondary winding 13 being inserted on base plate 171.
Usually, for the ease of realizing the electric connection of transformer 10 and PCB, copper can be equipped with on the position that PCB and transformer 10 are assembled, prevent short circuit between each pin of transformer 10 secondary winding 13 pin set 131, the Material selec-tion of base 17 is plastic cement, like this, insulating protection effect can be played.
Meanwhile, as illustrated in figures 1 and 8, in order to make transformer 10 cooling system more excellent, side plate 172 offers the ventilation hole 175 for armature winding 12 and secondary winding 13 heat being distributed.
The quantity of ventilation hole 175 is multiple, the quantity of boss 173 is also multiple, multiple ventilation hole 175 staggers with multiple boss 173 and arranges, make use of the inner space on base 17 more fully, reach and take into account firm support the one E shape iron core 11 and the dual optimal effectiveness being armature winding 12 and secondary winding 13 radiating and cooling in time.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. transformer, it is characterized in that: comprise an E shape iron core and dock with a described E shape iron core the 2nd E shape iron core or I shape iron core that coordinate and form flux circuit, a described E shape iron core has unsettled middle part iron core column and both sides iron core column, described middle part iron core column is arranged with insulating frame, described insulating frame there is armature winding around the home, described armature winding periphery is provided with secondary winding, described secondary winding is connected with pin set, described secondary winding and described sidepiece iron core column are inserted with the spacer for ensureing the coiling of described secondary winding rule respectively, a described E shape iron core is set up on a base.
2. transformer as claimed in claim 1, it is characterized in that: described spacer is provided with at least three isolating bars, described secondary winding comprises the number of turn and is at least two and becomes single turn around the wire turn extended vertically, often forms one described in adjacent two between isolating bar for accommodating single described wire turn and prevents the isolation channel of the often mutual short circuit of wire turn described in adjacent two.
3. transformer as claimed in claim 2, is characterized in that: described pin set comprises both sides pin, and winding end and the end of described wire turn connect side pin described in respectively around end.
4. transformer as claimed in claim 2, it is characterized in that: described pin set comprises both sides pin and a middle pin, winding end and the end of described wire turn connect side pin described in respectively around end, and described winding end and described end connect described middle pin around the described wire turn in centre of end.
5. the transformer as described in claim 3 or 4, is characterized in that: described base has base plate, and described base plate two side ends is respectively equipped with side plate, and the connection transition position of described side plate and described base plate is provided with the boss for supporting a firmly described E shape iron core.
6. transformer as claimed in claim 5, is characterized in that: described base plate also offers the correcting hole for coordinating with described pin set.
7. transformer as claimed in claim 5, is characterized in that: described side plate offers the ventilation hole for described armature winding and described secondary winding heat being distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683416.3U CN204289035U (en) | 2014-11-14 | 2014-11-14 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683416.3U CN204289035U (en) | 2014-11-14 | 2014-11-14 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204289035U true CN204289035U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420683416.3U Active CN204289035U (en) | 2014-11-14 | 2014-11-14 | Transformer |
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| CN (1) | CN204289035U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655098A (en) * | 2014-11-14 | 2016-06-08 | 中国长城计算机深圳股份有限公司 | Transformer and method for manufacturing same |
| TWI687945B (en) * | 2018-05-31 | 2020-03-11 | 振華電腦有限公司 | Transformer with improved winding structure |
| CN115116738A (en) * | 2022-08-12 | 2022-09-27 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
-
2014
- 2014-11-14 CN CN201420683416.3U patent/CN204289035U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655098A (en) * | 2014-11-14 | 2016-06-08 | 中国长城计算机深圳股份有限公司 | Transformer and method for manufacturing same |
| CN105655098B (en) * | 2014-11-14 | 2017-12-01 | 中国长城科技集团股份有限公司 | The manufacture method of transformer and the transformer |
| TWI687945B (en) * | 2018-05-31 | 2020-03-11 | 振華電腦有限公司 | Transformer with improved winding structure |
| CN115116738A (en) * | 2022-08-12 | 2022-09-27 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
| CN115116738B (en) * | 2022-08-12 | 2023-04-14 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 computer building of the Great Wall, Nanshan District science and Technology Park, Shenzhen, Guangdong Patentee after: China the Great Wall science and technology group Limited by Share Ltd Address before: 518000 the Great Wall computer building, 3 FA FA Road, Nanshan District science and Technology Park, Guangdong, Shenzhen Patentee before: China Changcheng Computer Shenzhen Co., Ltd. |
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| CP03 | Change of name, title or address |