CN202142389U - Transformer having secondary side winding - Google Patents
Transformer having secondary side winding Download PDFInfo
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- CN202142389U CN202142389U CN201120061298U CN201120061298U CN202142389U CN 202142389 U CN202142389 U CN 202142389U CN 201120061298 U CN201120061298 U CN 201120061298U CN 201120061298 U CN201120061298 U CN 201120061298U CN 202142389 U CN202142389 U CN 202142389U
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Abstract
The utility model claims a transformer having secondary side winding, comprising an iron core and a framework; a secondary side winding of the transformer is disposed in the housing space between the iron core and the framework, the secondary side winding of the transformer is formed by integrated stamping molding and is matched with the shape of the framework; the secondary side winding of the transformer is composed of an upper winding ring plate body and a lower winding ring plate body, which are in parallel connection and formed by integrated stamping molding; when installing, the secondary side winding of the transformer is directly sleeved on the framework, the upper winding ring plate body and the lower winding ring plate body are tightly contacted with the upper framework ring plate body and the lower framework ring plate body, so as to avoid the gap between copper wires when the secondary side winding of the transformer is wrapped on the framework; the window utilization rate of the magnetic core is benefited, and the consistency of electrical performance index of the product is improved at the same time. Furthermore, the side face of the secondary side winding of the transformer is provided with a radiator directly connected with the secondary side winding of the transformer, which improves the coupling performance of the transformer and the energy transmission, so as to improve the coupling performance and simultaneously send the heat in the transformer out by the radiator, then the heat dispersion is improved.
Description
[technical field]
The utility model relates to a kind of transformer, specifically is a kind of secondary side winding transformer that is used for computer power or computer power supply.
[background technology]
The existing market has the various transformers that are used for the high low supply voltages conversion of computer power or computer power supply, and secondary winding all is to adopt sub-thread or multiply copper coil to be wound in above the transformer framework and form in its most of transformer.During use; Because said sub-thread or multiply copper coil directly are wound in above the transformer framework; Make between copper coil outer surface and the transformer contact surface easily or some inhomogeneous gaps, interval of generation between copper cash outer surface and the copper cash outer surface; Cause the whole coupling performance of described transformer undesirable, electric property consistency difference and skeleton contact window utilance are low.Owing to the volume of the skeleton volume of exporting with power, cause processing cost height and radiating effect poor again greater than employed copper product.
[utility model content]
The utility model technical purpose is that a kind of secondary side winding transformer that coupling performance, electricity function index consistency, skeleton contact window use utilance, heat dispersion and cut down finished cost that helps improving is provided in order to solve the problem that above-mentioned prior art exists.
In order to realize above-mentioned technical purpose; The utility model provides a kind of secondary side winding transformer; It comprises iron core and is installed on the skeleton in the iron core; Be provided with in the peripheral accommodation space that forms of described core interior and skeleton and can improve the Circuit Fault on Secondary Transformer winding that coincide each other with frame configuration that electricity function index consistency and magnetic core window are used the integrated punching moulding of utilance, the side of this Circuit Fault on Secondary Transformer winding be provided with can improve coupling performance and heat dispersion with the direct-connected radiator of Circuit Fault on Secondary Transformer winding.
According to above-mentioned major technique characteristic, said Circuit Fault on Secondary Transformer winding is to be made up of the annulus of the winding up and down plate body that the bilateral terminal of the dicyclo that is provided with three output winding contact feets of the integrated punching moulding that laterally arranges connects; The first output winding contact feet that is bent to form vertically downward from last winding annulus plate body one sidewall; From descending the second output winding contact feet that is bent to form vertically upward on the other sidewall on the winding annulus plate body with respect to the first output winding contact feet; Last winding annulus plate body and following winding annulus plate body junction form one with the difference of winding annulus plate body one up and down each other perpendicular to about middle transition plate between the winding annulus plate body; The sidewall that is positioned at this middle transition plate one side is provided with the 3rd output winding contact feet that bends vertically downward in following winding annulus plate body; Described winding annulus plate body central position up and down is respectively arranged with the centre bore up and down with extraneous conducting, is respectively arranged with at least two fixing holes on described first and second output winding contact feet.
The above-mentioned major technique characteristic of foundation, said radiator comprise passes through a plurality of copper sheets of screw on first and second output winding contact feet, the fin that is installed on a plurality of crystal on the copper sheet sidewall and is installed on copper sheet top respectively.
According to above-mentioned major technique characteristic; Said copper sheet is by side plate and level board one bending forming; Described side plate is provided with the crystal fixing hole and the vertically disposed copper sheet fixing hole of the plurality of parallel setting that is used for fixing crystal, and described level board is provided with at least two first heat radiation fixing holes that are used for fixing fin.
According to above-mentioned major technique characteristic, said fin is to be made up of the radiator perpendicular on the heating panel that is fixed in heating panel on the copper sheet, is arranged at the heat radiation fixing hole of second on the heating panel two ends and is arranged at the setpoint distance gap, interval of the plural piece between the second heat radiation fixing hole of two ends.
According to above-mentioned major technique characteristic, said skeleton is by the last lower skeleton Circular Plate body that laterally arranges, the constituting of skeletal fixation portion that be arranged at the centre hollow cylindrical shell of connection between the lower skeleton Circular Plate body and be arranged at lower skeleton annulus plate body one sidewall two ends respectively.
The above-mentioned major technique characteristic of foundation, said iron core are to be covered, be arranged at the following inner barrel in the upper core lid and be arranged at the interior last inner barrel of lower core lid by last lower core to constitute.
The useful technique effect of the utility model: form the Circuit Fault on Secondary Transformer winding that coincide each other with frame configuration that is provided with the integrated punching moulding in the accommodation space because of described core interior and skeleton are peripheral, said Circuit Fault on Secondary Transformer winding is to be made up of the annulus of the winding up and down plate body that the bilateral terminal of the dicyclo that is provided with three output winding contact feets of the integrated punching moulding that laterally arranges connects; During installation; Described Circuit Fault on Secondary Transformer winding directly is placed on outside the skeleton; Make that going up winding annulus plate body fully closely contacts with lower skeleton annulus plate body with fully tight each other the contact with following winding annulus plate body of upper skeleton annulus plate body each other; Can avoid secondary side winding to be wound in copper cash and the copper cash on the skeleton and produce the gap; Help magnetic core window and use utilance, also form Circuit Fault on Secondary Transformer winding shape and frame configuration simultaneously and coincide each other, help improving product electricity function index consistency.Side because of this Circuit Fault on Secondary Transformer winding is provided with and the direct-connected radiator of Circuit Fault on Secondary Transformer winding again; Can shorten secondary side winding to the distance between the last diode, reduce the electric leakage sensibility reciprocal of first side winding, improve the coupling performance of transformer and the transmission of energy secondary side winding and path; Thereby reach the raising coupling performance; Also can the heat of transformer inside be conducted to heat sink radiates simultaneously and go out, reach the purpose that improves heat dispersion, also further reduce the temperature of transformer simultaneously; Make the volume-diminished of transformer, cut down finished cost.In addition, as long as directly place skeleton can accomplish outward described Circuit Fault on Secondary Transformer winding, the technology that is formed on skeleton with the existing copper wire-wound is compared, and the utility model also has manufacture craft purpose easy to process and simple to operate.
For purpose, structural feature and function thereof to the utility model have further understanding, conjunction with figs. specifies as follows now:
[description of drawings]
Fig. 1 is the three-dimensional exploded view of secondary side winding transformer in the utility model;
Fig. 2 is the stereogram of secondary side winding transformer in the utility model.
[embodiment]
See also Fig. 1 and shown in Figure 2; Explain that below in conjunction with a kind of embodiment the utility model provides a kind of secondary side winding transformer, it comprises iron core 1, be installed on skeleton 2 in the iron core 1, be installed on outer Circuit Fault on Secondary Transformer winding 3 of skeleton 2 and the radiator that is installed on iron core 1 outside.
Said iron core 1 is to be covered 11,12, be arranged at the following inner barrel 13 in the upper core lid 11 and be arranged at lower core lid 12 interior last inner barrels 14 by last lower core to constitute.Said skeleton 2 be by the last lower skeleton Circular Plate body 21,22 that laterally arranges, be arranged at lower skeleton Circular Plate body 21, between 22 in the middle of the skeletal fixation portion 23 that connects hollow cylindrical shell and be arranged at lower skeleton Circular Plate 22 1 sidewall two ends respectively constitute.
Said Circuit Fault on Secondary Transformer winding 3 is to be made up of the annulus of the winding up and down plate body 34,35 that the bilateral terminal of the dicyclo that is provided with three output winding contact feets 31,32,33 of the integrated punching moulding that laterally arranges connects; The first output winding contact feet 31 that is bent to form vertically downward from last winding Circular Plate 34 1 sidewalls; From descending the second output winding contact feet 32 that is bent to form vertically upward on the other sidewall on the winding annulus plate body 35 with respect to the first output winding contact feet 31; Last winding annulus plate body 34 and following winding annulus plate body 35 junctions form one with the difference of winding annulus plate body 34,35 one up and down each other perpendicular to about winding annulus plate body 34, middle transition plate 36 between 35; Be positioned to be provided with on the sidewall of these middle transition plate 36 1 sides and bend vertically downward in the 3rd output winding contact feet 33 of winding annulus plate body 35 down; Described winding annulus plate body 34,35 central position up and down are respectively arranged with the centre bore up and down with extraneous conducting, are respectively arranged with at least two fixing holes on described first and second output winding contact feet 31,32.
Said radiator comprises respectively through a plurality of copper 4 of screw on first and second output winding contact feet 31,32, the fin 6 that is installed on a plurality of crystal 5s on copper sheet 4 sidewalls and is installed on copper sheet 4 tops.Said copper sheet 4 is by side plate and level board one bending forming; Described side plate is provided with the crystal fixing hole 41 and vertically disposed copper sheet fixing hole 42 of the plurality of parallel setting that is used for fixing crystal 5, and described level board is provided with a plurality of first heat radiation fixing holes 43 that are used for fixing fin 6.Said fin 6 is by the constituting perpendicular to the radiator on the heating panel 62 of setpoint distance gap, interval that is fixed in heating panel on the copper sheet 4, is arranged at the heat radiation fixing hole 61 of second on the heating panel two ends and is arranged at the plural piece between the second heat radiation fixing hole 61 of two ends.
Said Circuit Fault on Secondary Transformer winding 3 is installed on outside the skeleton 2; Form Transformer Winding; Described two copper sheets 4 are individually fixed in described two copper sheets 4 on the Circuit Fault on Secondary Transformer winding 3 through two fixing holes, copper sheet fixing hole 42 and screw on first and second output winding contact plate 31,32; Be positioned at this Transformer Winding 3 one sidewalls, on the side plate that described crystal 5 is fixed in described crystal 5 copper sheet 4 through crystal fixing hole 41 and the screw that is arranged on the copper sheet 4.The second heat radiation fixing hole 61 of described fin 6 through being arranged at two ends, be arranged at first on the copper sheet 4 heat radiation fixing hole 43 and screw said fin 6 is fixed in copper sheet 4 upper surfaces; Following inner barrel 13 on the described upper core lid 11 and last inner barrel 14 on the lower core lid 12 place respectively on the skeleton 2 in the middle of is connected hollow cylindrical shell, make described Transformer Winding 3 to be formed at lower core to cover the accommodation space of 11,12 formation interior.
Described Circuit Fault on Secondary Transformer winding 3 places the skeleton 2 outer Transformer Winding that form; The described winding annulus plate body 34 of going up closely contacts with described upper skeleton annulus plate body 21; And described winding annulus plate body 35 down closely contacts with lower skeleton annulus plate body 22; Connect in the middle of described hollow cylindrical shell place winding annulus plate body 34 up and down, between 35, described skeletal fixation portion 23 places down the outside of winding annulus plate body 35 and lower skeleton annulus plate body 22.
Utilize the transformer undesirable mutual electromagnetic inductance to answer principle, voltage of transformation, electric current becomes the AC change-over circuit with impedance combination, require to realize the effect of buck or boost or isolation according to power consumption equipment.In the present embodiment; The civil power of AC change-over circuit input is become high-voltage dc voltage through rectifying and wave-filtering; Utilize pulse width control and VFC mode; The pulse voltage that high-voltage dc voltage is cut into is coupled to Circuit Fault on Secondary Transformer winding 3 through the step-down of transformer, after isolating, and pulse voltage that this Circuit Fault on Secondary Transformer winding 3 obtains and electric current are supplied with terminal equipment and used through output dc voltage and electric current behind the rectifying and wave-filtering.
Owing to the Circuit Fault on Secondary Transformer winding 3 that utilizes the moulding of said copper sheet integrated punching to constitute; The shape of this Circuit Fault on Secondary Transformer winding 3 and skeleton 2 shapes are coincide each other; As long as described skeleton 2 is placed on the purpose that Circuit Fault on Secondary Transformer winding 3 inside can reach assembling; Replaced existing multiply copper cash to be wound in the method for winding on the skeleton, thereby it is simple to reach winding processing, the little useful technique effect of cost volume low and transformer.
Again owing to the described winding annulus plate body 34 of going up closely contacts with described upper skeleton annulus plate body 21; And described winding annulus plate body 35 down closely contacts with lower skeleton annulus plate body 22; Make and help controlling inductance value; The leakage inductance amount, parameter values such as Q value quality factor improve the electricity function index consistency thereby reach.Simultaneously, also be convenient to the use of the circuit framework of half-bridge circuit control or half-bridge resonance control.Simultaneously; Also make the annulus of winding up and down plate body 34,35 and the last lower skeleton Circular Plate body 21 on the bone 2 on the said Circuit Fault on Secondary Transformer winding 3 after the assembling, the contact-making surface place does not produce the gap between 22; Can avoid reducing skeleton window utilance because of secondary side winding is wound in the bigger gap that produces between circular copper cash of sub-thread or multiply on the skeleton and the copper cash; Improve the high purpose of bone 2 window utilances thereby reach; And can make under the condition of equal-wattage transformer, can be more than 40% with volume-diminished.
During again owing to the assembling of transformer finished product; Only need described Circuit Fault on Secondary Transformer winding 3 be placed skeleton 2 peripheral getting final product; Can avoid reinforcing the few extraneous factor such as fixing very difficulty when thick of copper cash or the copper cash number of turn because of in traditional copper wire coiling mode, need increasing adhesive tape; And influence the generation of the low problem of the big or voltage of transformer output current, thereby help improving efficient that processing produces.If described transformer is to big electric current, and the thickness that then only needs to increase copper sheet gets final product.
Again since described Circuit Fault on Secondary Transformer winding 3 be respectively arranged with up and down winding annulus plate body 34,35, be arranged at the first output winding contact plate 31 on the winding Circular Plate 34 and be arranged at down second and third output winding contact feet 32,33 on the winding annulus plate body 35; During use, said winding Circular Plate 34,35 up and down can be regarded as a winding respectively, and the 3rd output winding contact feet 33 is connected with terminal; The electrical characteristic that can play the both sides winding is consistent; Be specially adapted to the half-bridge circuit framework, the series resonance in full-bridge circuit framework and the half-bridge resonance framework, parallel resonance; Series parallel resonance is on the LLC resonant circuit framework.In addition, can get final product, realize control inductance value, leakage inductance amount through the distance that strengthens a side winding and secondary side punch forming winding.
Again because Circuit Fault on Secondary Transformer winding 3 passes through the screw fixed connection with radiator; Can shorten secondary side winding distance between the diode to the radiator, reduce the electric leakage sensibility reciprocal of first side winding, improve the coupling performance of transformer and the transmission of energy secondary side winding and path; Can conduct to radiator help heat radiation by the heat that transformer is inner simultaneously; Further reduce the temperature of transformer, make the volume-diminished of transformer, cost reduces.
Be fixed on the Circuit Fault on Secondary Transformer winding 3 through screw owing to described copper sheet 4 again; And said radiator and crystal 5 are fixed on the copper sheet 4 through screw respectively; This kind connected mode can reduce the area of winding punching press section bar, also makes things convenient for the operations of back segment simultaneously.
In sum; Because of described iron core 1 inner with the peripheral Circuit Fault on Secondary Transformer winding 3 that coincide each other with skeleton 2 shapes that is provided with the integrated punching moulding in the accommodation spaces that forms of skeleton 2, said Circuit Fault on Secondary Transformer winding 3 is to be made up of the annulus of the winding up and down plate body 34,35 that the bilateral terminal of the dicyclo that is provided with three output winding contact feets 31,32,33 of the integrated punching moulding that laterally arranges connects; During installation; Described Circuit Fault on Secondary Transformer directly is placed on outside the skeleton 2 around 3; Make that going up winding annulus plate body 34 fully closely contacts with lower skeleton annulus plate body 22 with fully tight each other the contact with following winding annulus plate body 35 of upper skeleton annulus plate body 21 each other; Can avoid secondary side winding to be wound on the existing skeleton 2 between the copper cash and copper cash and produce the gap; Help magnetic core window and use utilance, also form Circuit Fault on Secondary Transformer winding 3 shapes and skeleton 2 shapes simultaneously and coincide each other, help improving product electricity function index consistency.Side because of this Circuit Fault on Secondary Transformer winding 3 is provided with and Circuit Fault on Secondary Transformer winding 3 direct-connected radiators again; Can shorten secondary side winding to the distance between the last diode, reduce the electric leakage sensibility reciprocal of first side winding, improve the coupling performance of transformer and the transmission of energy secondary side winding and path; Thereby reach the raising coupling performance; Also can the heat of transformer inside be conducted to heat sink radiates simultaneously and go out, reach the purpose that improves heat dispersion, also further reduce the temperature of transformer simultaneously; Make the volume-diminished of transformer, cut down finished cost.In addition, as long as described Circuit Fault on Secondary Transformer winding 3 is directly placed skeleton 2 outer can completion, the technology that is formed on existing skeleton with the existing copper wire-wound is compared, and the utility model also has manufacture craft purpose easy to process and simple to operate.
Claims (7)
1. secondary side winding transformer; It comprises iron core and is installed on the skeleton in the iron core; It is characterized in that: be provided with in the peripheral accommodation space that forms of described core interior and skeleton and can improve the Circuit Fault on Secondary Transformer winding that coincide each other with frame configuration that electricity function index consistency and magnetic core window are used the integrated punching moulding of utilance, the side of this Circuit Fault on Secondary Transformer winding be provided with can improve coupling performance and heat dispersion with the direct-connected radiator of Circuit Fault on Secondary Transformer winding.
2. secondary side winding transformer according to claim 1 is characterized in that: said Circuit Fault on Secondary Transformer winding is to be made up of the annulus of the winding up and down plate body that the bilateral terminal of the dicyclo that is provided with three output winding contact feets of the integrated punching moulding that laterally arranges connects; The first output winding contact feet that is bent to form vertically downward from last winding annulus plate body one sidewall; From descending the second output winding contact feet that is bent to form vertically upward on the other sidewall on the winding annulus plate body with respect to the first output winding contact feet; Last winding annulus plate body and following winding annulus plate body junction form one with the difference of winding annulus plate body one up and down each other perpendicular to about middle transition plate between the winding annulus plate body; The sidewall that is positioned at this middle transition plate one side is provided with the 3rd output winding contact feet that bends vertically downward in following winding annulus plate body; Described winding annulus plate body central position up and down is respectively arranged with the centre bore up and down with extraneous conducting, is respectively arranged with at least two fixing holes on described first and second output winding contact feet.
3. secondary side winding transformer according to claim 1; It is characterized in that: said radiator comprises respectively through a plurality of copper sheets of screw on first and second output winding contact feet, the fin that is installed on a plurality of crystal on the copper sheet sidewall and is installed on copper sheet top.
4. secondary side winding transformer according to claim 3; It is characterized in that: said copper sheet is by side plate and level board one bending forming; Described side plate is provided with the crystal fixing hole and the vertically disposed copper sheet fixing hole of the plurality of parallel setting that is used for fixing crystal, and described level board is provided with at least two first heat radiation fixing holes that are used for fixing fin.
5. secondary side winding transformer according to claim 3 is characterized in that: said fin is to be made up of the radiator perpendicular on the heating panel that is fixed in heating panel on the copper sheet, is arranged at the heat radiation fixing hole of second on the heating panel two ends and is arranged at the setpoint distance gap, interval of the plural piece between the second heat radiation fixing hole of two ends.
6. secondary side winding transformer according to claim 1 is characterized in that: said skeleton be by the last lower skeleton Circular Plate body that laterally arranges, be arranged between the lower skeleton Circular Plate body in the middle of the skeletal fixation portion that connects hollow cylindrical shell and be arranged at lower skeleton annulus plate body one sidewall two ends respectively constitute.
7. secondary side winding transformer according to claim 1 is characterized in that: said iron core is to be covered, be arranged at the following inner barrel in the upper core lid and be arranged at the interior last inner barrel of lower core lid by last lower core to constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120061298U CN202142389U (en) | 2011-03-10 | 2011-03-10 | Transformer having secondary side winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120061298U CN202142389U (en) | 2011-03-10 | 2011-03-10 | Transformer having secondary side winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202142389U true CN202142389U (en) | 2012-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120061298U Expired - Fee Related CN202142389U (en) | 2011-03-10 | 2011-03-10 | Transformer having secondary side winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202142389U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515073A (en) * | 2013-08-09 | 2014-01-15 | 西南应用磁学研究所 | High power density magnetic integration planar transformer and manufacturing method |
| CN109524219A (en) * | 2019-01-10 | 2019-03-26 | 台达电子企业管理（上海）有限公司 | Transformer and power module with it |
| CN109637780A (en) * | 2019-01-14 | 2019-04-16 | 清流伊科电子科技有限公司 | A kind of high power density electronic transformer |
| TWI760016B (en) * | 2020-12-21 | 2022-04-01 | 大陸商光寶電子（廣州）有限公司 | Combined structure of transformer and circuit board as well as assembly method thereof |
-
2011
- 2011-03-10 CN CN201120061298U patent/CN202142389U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515073A (en) * | 2013-08-09 | 2014-01-15 | 西南应用磁学研究所 | High power density magnetic integration planar transformer and manufacturing method |
| CN103515073B (en) * | 2013-08-09 | 2016-08-17 | 西南应用磁学研究所 | High power density magnetic integration planar transformer and manufacture method |
| CN109524219A (en) * | 2019-01-10 | 2019-03-26 | 台达电子企业管理（上海）有限公司 | Transformer and power module with it |
| CN109637780A (en) * | 2019-01-14 | 2019-04-16 | 清流伊科电子科技有限公司 | A kind of high power density electronic transformer |
| TWI760016B (en) * | 2020-12-21 | 2022-04-01 | 大陸商光寶電子（廣州）有限公司 | Combined structure of transformer and circuit board as well as assembly method thereof |
| US11778746B2 (en) | 2020-12-21 | 2023-10-03 | Lite-On Electronics (Guangzhou) Limited | Assembly structure of transformer and circuit board as well as assembly method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20120310 |